1 Tue Mar 3 00:06:45 1998 Jeffrey A Law (law@cygnus.com)
3 * version.c: Bump for 1.0.2 prerelease diffs.
5 Sun Mar 1 18:14:46 1998 Jeffrey A Law (law@cygnus.com)
7 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
9 Tue Feb 24 09:32:24 1998 Jeffrey A Law (law@cygnus.com)
11 * expr.c (emit_move_insn_1): Fix minor buglet in last change
12 caused by importint it into the release branch.
14 Sun Feb 22 20:46:31 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
16 * expr.c (emit_move_insn_1): When moving complex values in several
17 steps, emit a CLOBBER to show the destination dies.
19 Sun Feb 22 20:06:34 1998 Jim Wilson <wilson@cygnus.com>
21 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
22 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
24 Thu Feb 19 09:41:23 1998 Mumit Khan <khan@xraylith.wisc.edu>
26 * i386/x-cygwin32 (USE_COLLECT2): Disable collect2 for now on
27 i386-{cygwin32,mingw32}.
29 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
31 * collect2.c (scan_prog_file): Completely cover uses of variable
32 `exports' with macro COLLECT_EXPORT_LIST.
34 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
36 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
38 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
39 David Edelsohn <edelsohn@mhpcc.edu>
41 * collect2.c (XCOFF_SCAN_LIBS): Remove.
42 (export_flag): New variable.
43 (export_file): #ifdef COLLECT_EXPORT_LIST.
44 (import_file, exports, imports, undefined): New variables.
45 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
46 (dump_list, dump_prefix_list, is_in_list): New functions.
47 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
48 (write_import_file, resolve_lib_name): New functions.
49 (use_import_list, ignore_library): Same.
50 (collect_exit): maybe_unlink import_file and #ifdef.
52 (main): New variable importf, #ifdef exportf. Move parsing of
53 -shared before general argument parsing. Resolve AIX library
54 paths and import libgcc.a symbols. Treat .so shared libraries the
55 same as objects and .a libraries. Create alias for object_lst and
56 increment it instead of original pointer. Scan AIX libraries as
57 objects earlier instead of using scan_libraries. Perform AIX
58 tlink later to resolve templates instead of forking ld.
59 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
60 (GCC_UNDEF_SYMBOL): New macro.
61 (scan_prog_file): Loop for members of AIX libraries. Handle
62 export/import of ctors/dtors.
63 (aix_std_libs): New variable.
64 (scan_libraries, XCOFF): Delete.
66 1998-02-19 Mike Stump <mrs@wrs.com>
68 * Makefile.in: Use $tooldir for sys-include to match toplevel
71 Thu Feb 19 01:41:47 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
73 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
74 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
75 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
76 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
77 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
78 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
79 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
80 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
82 * longlong.h: Replace __mc68332__ with __mcpu32__.
84 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
85 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
87 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
89 * emit-rtl.c (hard-reg-set.h): Include.
90 (get_lowpart_common): Don't make new REG for hard reg in a
91 class that cannot change size.
92 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
94 * combine.c: Revert previous patch.
96 Tue Feb 17 23:34:29 1998 David Edelsohn <edelsohn@mhpcc.edu>
98 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
99 * x-aix31 (INSTALL): Delete.
101 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
103 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
104 simplifying a subreg of a hard reg.
105 (expand_compound_operation): Likewise.
106 (force_to_mode): Likewise.
108 Sun Feb 15 21:07:48 1998 Jeffrey A Law (law@cygnus.com)
110 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
111 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
112 * sparc/netbsd.h, vax/netbsd.h: Likewise.
114 Sun Feb 15 20:55:23 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
116 * i386.c (notice_update_cc): Use reg_overlap_mentioned_p.
118 Sat Feb 14 15:54:28 1998 H.J. Lu (hjl@gnu.org)
120 * config/alpha/elf.h (LIB_SPEC): New. Defined if
121 USE_GNULIBC_1 is not defined.
123 * config/linux.h (LIB_SPEC): Add -lc for -shared if
124 USE_GNULIBC_1 is not defined.
125 * config/sparc/linux.h: Ditto.
127 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
129 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
130 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
131 (LIB_SPEC): Updated for glibc 2.
133 Sat Nov 29 12:45:51 1997 Mumit Khan <khan@xraylith.wisc.edu>
135 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
136 doesn't work with it yet, so set it to 0.
137 * config/i386/x-cygwin32 (USE_COLLECT2): Delete.
138 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
140 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
142 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
145 Fri Feb 13 00:47:21 1998 Jeffrey A Law (law@cygnus.com)
147 * cccp.c (new_include_prefix): Correctly handle -I./.
149 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
151 * flow.c (find_basic_blocks): Don't create a new basic block
152 for calls in a LIBCALL block.
154 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
156 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
157 determining when a new basic block starts.
159 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
161 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
163 (find_basic_blocks_1): Likewise.
165 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
167 * except.c (get_dynamic_handler_chain): Only make the call once per
170 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
172 * except.c (expand_fixup_region_end): New fn.
173 (expand_fixup_region_start): Likewise.
174 (expand_eh_region_start_tree): Store cleanup into finalization here.
175 * stmt.c (expand_cleanups): Use them to protect fixups.
177 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
179 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
180 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
183 Wed Feb 11 01:39:47 1998 Richard Henderson <rth@cygnus.com>
185 * stor-layout.c (layout_type): Do upper - lower in the native type,
186 so as to properly handle negative indices.
188 Tue Feb 10 00:26:25 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
190 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
192 Mon Feb 9 23:15:14 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
194 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
196 Mon Feb 9 23:08:56 1998 Richard Henderson <rth@cygnus.com>
198 * i386.md (push): Prohibit symbolic constants if flag_pic.
199 (movsi+1): Likewise for move to non-register.
201 Mon Feb 9 23:07:04 1998 John Wehle (john@feith.com)
203 * i386.md: Remove redundant integer push patterns.
204 Don't bother checking for TARGET_PUSH_MEMORY when
205 pushing constants or registers.
207 1998-01-28 Mike Stump <mrs@wrs.com>
209 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
211 * genattrtab.c (reload_completed, optimize): Define.
213 Mon Feb 9 22:16:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
215 * c-decl.c (grokdeclarator): Get parameter tags from
216 last_function_parm_tags.
217 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
218 traversing the parameter types.
219 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
221 Mon Feb 9 22:10:58 1998 Todd Vierling <tv@pobox.com>
223 * fixincludes: Tweak fix for struct exception in math.h
225 Mon Feb 9 01:15:08 1998 Mark Mitchell <mmitchell@usa.net>
227 * integrate.c (get_label_from_map): New function.
228 (expand_inline_function): Use it. Initialize the label_map to
229 NULL_RTX instead of gen_label_rtx.
230 (copy_rtx_and_substitute): Use get_label_from_map.
231 * integrate.h (get_label_from_map): New function.
232 (set_label_from_map): New macro.
233 * unroll.c (unroll_loop): Use them.
234 (copy_loop_body): Ditto.
236 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
237 if all we're doing is dealing with -Wreturn-type.
239 Mon Feb 9 01:07:41 1998 Jeffrey A Law (law@cygnus.com)
241 * i386/x-sco5 (CC): Remove trailing whitespace.
243 Mon Feb 9 01:07:37 1998 J. Kean Johnston <jkj@sco.com>
245 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
248 Mon Feb 9 00:02:53 1998 Jim Wilson <wilson@cygnus.com>
250 * function.c (assign_parms): New variable named_arg, with value
251 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
253 Mon Feb 9 00:01:00 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
255 * stmt.c (pushcase_range): Clean up handling of "infinite" values.
257 * loop.c (strength_reduce): When placing increment for auto-inc
258 case, do comparison in loop order.
260 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
261 Jeffrey A Law (law@cygnus.com)
263 * crtstuff.c (__frame_dummy): New function for irix6.
264 (__do_global_ctors): Call __frame_dummy for irix6.
265 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
267 Wed Dec 24 23:03:42 1997 Jim Wilson (wilson@cygnus.com)
269 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
270 save_restore_insns if no FP and GP will be restored.
272 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
273 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
274 -mlong64, and -mgp{32,64} options.
275 * mips.c (mips_abi): Change type to int.
276 * mips.h (enum mips_abi_type): Delete.
277 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
278 (mips_abi): Change type to int.
280 Mon Dec 22 09:55:01 1997 Jeffrey A Law (law@cygnus.com)
282 * version.c: Bump for beta release of egcs-1.0.1.
284 * haifa-sched.c (create_reg_dead_note): Detect and handle another
285 case where we kill more regs after sched than were killed before
287 * sched.c (create_reg_dead_note): Similarly.
289 Sun Dec 21 21:47:38 1997 Jeffrey A Law (law@cygnus.com)
291 * pa.c (emit_move_sequence): Handle a function label source
294 Sat Dec 20 16:14:50 1997 David Edelsohn <edelsohn@mhpcc.edu>
296 * rs6000.h (FUNCTION_ARG_PADDING): Define.
297 * rs6000.c (function_arg_padding): New function.
299 Sat Dec 20 13:36:06 1997 Paul Eggert <eggert@twinsun.com>
300 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
301 H.J. Lu (hjl@gnu.org)
303 * frame.h (__register_frame, __register_frame_table,
304 __deregister_frame): New.
305 * frame.c (__register_frame, __register_frame_table,
306 __deregister_frame): New.
307 * frame.c (__deregister_frame_info): Return void *.
308 * frame.h (__deregister_frame_info): Ditto.
309 * collect2.c (__deregister_frame_info): Ditto.
311 * frame.h (__register_frame_info_table): Fix typo in declaration.
313 * frame.c (__register_frame_info): Renamed from __register_frame.
314 (__register_frame_info_table, __deregister_frame_info): Similarly.
315 * frame.h (__{,de}register_frame_info): Likewise.
316 (__register_frame_info_table): New declaration.
317 * crtstuff.c (__do_global_dtors{,_aux}): Rename __deregister_frame.
318 (frame_dummy, __do_global_ctors): Likewise for __register_frame.
319 * collect2.c (write_c_file_{stat,glob}): Rename __register_frame
320 to __register_frame_info and similarly for __deregister_frame and
321 __register_frame_table.
323 * collect2.c (write_c_file_glob):
324 Allocate initial frame object in static storage and pass its address.
326 * crtstuff.c (__do_global_ctors): Fix typo in last change.
328 * crtstuff.c (__do_global_ctors): Add missing arg to __register_frame.
330 * collect2.c (write_c_file_stat): Fix error in last change;
331 use __SIZE_TYPE__, not size_t.
333 Alter C startup code so that it doesn't invoke malloc on Solaris.
334 * frame.h (struct object): Decl moved here from frame.c.
335 * frame.c (struct object): Move decl to frame.h.
336 ("frame.h"): Include after <stddef.h>, so that size_t is defined.
337 (__register_frame, __register_frame_table, __deregister_frame):
338 It's now the caller's responsibility to allocate storage for object.
339 * crtstuff.c (frame_dummy), collect2.c (write_c_file_stat):
340 Allocate initial frame object in static storage and pass its address.
341 * crtstuff.c (<stddef.h>, "frame.h"): Include.
342 * Makefile.in ($(T)crtbegin.o, $(T)crtend.o, stamp-crtS):
343 Depend on defaults.h and frame.h.
345 Fri Dec 19 10:02:57 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
347 * i386.h (INITIAL_ELIMINATION_OFFSET): Correctly test for PIC
350 Fri Dec 19 09:50:30 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
352 * combine.c (simplify_rtx, case ABS): Don't get confused by a
355 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
357 Fri Dec 19 09:39:48 1997 Jeffrey A Law (law@cygnus.com)
359 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
361 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
363 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
366 Wed Dec 3 01:13:45 1997 Jeffrey A Law (law@cygnus.com)
368 * version.c: Update for egcs-1.0 release.
370 Mon Dec 1 15:36:13 1997 Jeffrey A Law (law@cygnus.com)
372 * version.c: Bump for snapshot.
374 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
376 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
377 fix_truncsfdi2): Change *.
379 Sun Nov 30 19:59:20 1997 Jason Merrill <jason@yorick.cygnus.com>
381 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
383 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
385 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
387 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
389 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
391 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Prefer stabs again.
393 * arm.md (movsfcc, movdfcc): Fix "patch" lossage.
395 * configure.in: Fix NCR entries.
397 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
399 * version.c: Bump for snapshot.
401 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
402 nested exceptions correctly.
404 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
405 that was created by loop.
407 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
409 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
411 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
413 Thu Nov 27 09:32:39 1997 Richard Earnshaw (rearnsha@arm.com)
415 * arm.md (movsfcc): If not TARGET_HARD_FLOAT, ensure operand[3]
418 Wed Nov 26 13:04:46 1997 Michael Meissner <meissner@cygnus.com>
420 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
421 (print_operand): Use SMALL_DATA_REG for the register involved in
422 small data relocations.
423 (print_operand_address): Ditto.
425 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
426 -dynamic linker is not used.
428 * rs6000.md (call insns): For local calls, use @local suffix under
429 System V. Don't use @plt under Solaris.
431 * rs6000.c (output_function_profiler): Put label address in r0, and
432 store LR in 4(sp) for System V/eabi.
434 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
435 byte boundary, and maintain stack backchain.
437 (patches originally from Geoffrey Keating)
438 * rs6000.c (function_arg): Excess floating point arguments don't
439 go into GPR registers after exhausting FP registers under the
441 (function_arg_partial_nregs): Ditto.
443 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
446 Wed Nov 26 13:04:46 1997 Jason Merrill <jason@yorick.cygnus.com>
448 * toplev.c (main): Complain about -gdwarfn.
450 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
452 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
455 * libgcc2.c (__throw): Initialize HANDLER.
457 * dwarfout.c (output_type): If finalizing, write out nested types
458 of types we've already written.
460 Tue Nov 25 10:00:42 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
462 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
465 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
467 * sh/elf.h (HANDLE_SYSV_PRAGMA): Undefine.
469 * sh/elf.h: (LINK_SPEC): Use shlelf.
470 (USER_LABEL_PREFIX, LOCAL_LABEL_PREFIX, ASM_FILE_START): Redefine.
472 * sh.h: dwarf patches from Fred Fish.
474 * va-sh.h (__va_arg_sh1): Define.
476 SH3E doesn't use any integer registers for subsequent arguments
477 once a non-float value was passed in the stack.
478 * sh.h (PASS_IN_REG_P): Fix SH3E case.
480 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
482 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
484 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
486 * configure.in (alphaev56*-*-*): Disable MASK_BYTE_OPS until
487 ev56 support works correctly.
489 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
491 Sun Nov 23 13:01:48 1997 Jeffrey A Law (law@cygnus.com)
493 * version.c: Bump for snapshot.
495 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
497 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
498 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
499 gas and not using the new HP assembler.
501 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
503 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
504 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
506 * i386.h (TARGET_CMOV): Disable conditional moves for this release.
508 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
510 * except.h: Add outer_context_label_stack.
511 * except.c: Likewise.
512 (expand_start_all_catch): Push the outer_context for the try block
513 onto outer_context_label_stack.
514 (expand_end_all_catch): Use it and pop it.
516 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
518 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
520 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
522 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
524 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
526 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
527 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
529 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
531 * except.c (output_exception_table): Don't bother with
534 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
536 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
537 is an in/out operand.
538 (zero extended variants of stwm/stwm patterns): Similarly.
540 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
542 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
544 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
546 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
547 (output_call_frame_info): Emit a \n after using it.
549 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
551 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
553 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
555 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
556 (ASM_OUTPUT_DWARF_VALUE4): New macro.
557 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
559 (output_call_frame_info): Do not output forward label differences
560 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
561 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
563 Tue Nov 18 22:50:24 1997 Jim Wilson <wilson@cygnus.com>
565 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
566 large_int, emit two insns instead of one splitable insn.
567 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
568 from cfa_temp_value, use cfa_offset. Abort if cfa_reg is not SP.
570 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
572 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
574 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
576 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
578 (cse_end_of_basic_block): Similarly.
580 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
582 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
583 (SELECT_RTX_SECTION): Define.
584 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
586 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
588 * Makefile.in (compare, compare-lean): Define $stage for each
590 (gnucompare, gnucompare-lean): Likewise.
592 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
594 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
596 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
597 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
599 Fri Nov 14 08:01:25 1997 Jeffrey A Law (law@cygnus.com)
601 * version.c: Bump for snapshot.
603 1997-11-14 Paul Eggert <eggert@twinsun.com>
605 Fix some confusion with IEEE minus zero.
607 * real.h (REAL_VALUES_IDENTICAL): New macro.
609 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
610 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
612 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
613 same tree structure as 0.0.
615 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
616 macro instead of doing it by hand.
618 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
620 * expr.c (expand_builtin_setjmp): Set
621 current_function_has_nonlocal_label.
622 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
623 call-saved registers across calls.
625 * alpha.md (exception_receiver): Remove.
626 (nonlocal_goto_receiver_osf): New
627 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
628 (nonlocal_goto_receiver): New, select _osf or _vms.
630 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
631 keep them from being propogated to the object file.
632 (alpha_write_linkage): Likewise.
633 * alpha.md (call_vms): Likewise.
634 (call_value_vms): Likewise.
635 (unnamed osf call insns): Likewise.
637 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
638 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
640 * alpha.c (call_operand): Any reg is valid for WinNT.
641 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
642 (anon nt calls): Add 'R' alternative.
643 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
644 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
646 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
648 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
649 xplus1 when xplus0 is not a register.
651 Thu Nov 13 11:51:32 1997 David Edelsohn <edelsohn@mhpcc.edu>
653 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
654 swap instruction order.
656 Thu Nov 13 11:47:55 1997 Michael Meissner <meissner@cygnus.com>
658 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
659 pick apart floating point values, instead of using CONST_DOUBLE_LOW
660 and CONST_DOUBLE_HIGH.
662 * rs6000.md (define_splits for DF constants): Use the appropriate
663 REAL_VALUE_* interface to pick apart DF floating point constants in
664 a machine independent fashion.
666 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
668 * flow.c (find_basic_blocks): During marking phase, if we encounter
669 an insn with a REG_LABEL note, make the target block live and
670 create an edge from the insn to the target block. Do not make
671 edges from all blocks to the target block.
673 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
675 * configure.in: Tweak NCR entries.
676 * configure: Rebuilt.
678 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
680 * except.c: Do not include "assert.h".
681 (save_eh_status): Turn asserts into conditional aborts.
682 (restore_eh_status, scan_region): Likewise.
683 * dwarfout.c: Do not include "assert.h".
684 (bit_offset_attribute): Turn asserts into conditional aborts.
685 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
686 (output_inlined_structure_type_die): Likewise.
687 (output_inlined_union_type_die): Likewise
688 (output_tagged_type_instantiation): Likewise.
689 (dwarfout_file_scope_decl): Likewise.
690 * dwarf2out.c: Do not include "assert.h"
691 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
692 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
693 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
694 (add_bit_size_attribute, scope_die_for): Likewise.
695 (output_pending_types_for_scope): Likewise.
696 (get_inlined_enumeration_type_die): Likewise.
697 (get_inlined_structure_type_die): Likewise.
698 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
699 (gen_tagged_type_instantiation_die): Likewise.
701 * flow.c (find_basic_blocks): Refine further to get a more correct
702 cfg, especially in the presense of exception handling, computed
703 gotos, and other non-trivial cases. Call abort if an inaccuracy
704 is detected in the cfg.
706 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
708 * stmt.c (expand_decl_cleanup_no_eh): New fn.
710 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
712 Sun Oct 19 09:07:38 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
714 * stmt.c (using_eh_for_cleanups_p): New variable.
715 (using_eh_for_cleanups): New function.
716 (expand_decl_cleanup): Don't call expand_eh_region_start_tree
717 unless using EH for cleanups.
719 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
721 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
722 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
724 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
726 * fixinc.svr4 (__STDC__): Add another case.
728 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
730 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
731 addresses in the epilogue delay slot.
733 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
735 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
736 in generated `specs' file.
738 Fri Nov 7 16:23:20 1997 Jim Wilson (wilson@cygnus.com)
740 * flags.h (flag_rerun_loop_opt): Declare.
741 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
742 * toplev.c (flag_rerum_loop_opt): Delete static.
744 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
746 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
749 Wed Nov 5 01:42:12 1997 Jeffrey A Law (law@cygnus.com)
751 * version.c: Bump for snapshot.
753 * alias.c (find_base_value): Only return the known base value for
756 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
758 * fixincludes: Fix "hypot" prototype in NeXT math.h.
760 * Makefile.in (USE_ALLOCA): Always include alloca.o.
761 (USE_HOST_ALLOCA): Likewise.
763 * alias.c (find_base_value): When copying arguments, return the
764 tenative value for a hard register.
766 Tue Nov 4 14:12:30 1997 Richard Henderson (rth@cygnus.com)
767 Jim Wilson (wilson@cygnus.com)
769 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
770 for SUBREG, just fall through.
772 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
774 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
776 * combine.c (try_combine): When setting elim_i1, check if newi2pat
779 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
780 sets i2dest. When calling distribute_notes for i3dest_killed, pass
783 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
785 * configure.in (sco5): Use cpio to install header files.
787 Sun Nov 2 23:30:31 1997 Manfred Hollstein <manfred@s-direktnet.de>
789 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
791 * configure: Rebuild.
793 Sun Nov 2 22:53:16 1997 Richard Earnshaw (rearnsha@arm.com)
795 * arm.c (load_multiple_sequence): Support SUBREG of MEM.
796 (store_multiple_sequence): Likewise.
798 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
800 * i386/sco5.h: enable -gstabs once again.
802 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
804 * arm.c (output_move_double): Allocate 3 entries in otherops array.
806 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
808 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
809 notes for sjlj exceptions too.
810 (expand_eh_region_end): Similarly for EH_REGION_END notes.
811 (exception_optimize): Optimize EH regions for sjlj exceptions too.
812 * final.c (final_scan_insn): Don't output labels for EH REGION
813 notes if doing sjlj exceptions.
815 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
817 * alias.c (init_alias_analysis): Handle -fno-alias-check when
818 optimizing correctly.
820 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
821 or set current_function_calls_setjmp anymore.
823 * flow.c (find_basic_blocks): If we delete the label for an
824 exception handler, remove it from the EH label list and remove
825 the EH_BEGIN/EH_END notes for that EH region.
827 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
829 * flow.c (find_basic_blocks): Generate correct flow control
830 information when exception handling notes are present.
832 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
834 * dwarf2out.c (output_call_frame_info): Fix length argument
836 (output_die, output_pubnames, output_line_info): Likewise.
838 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
840 * version.c: Bump for snapshot.
842 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
843 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
844 flag_debug_asm is on.
845 (output_die, output_pubnames, output_line_info): Likewise.
847 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
848 and static_chain_rtx into the potential base values array if
851 * alias.c (new_reg_base_value): New array of potential base values.
852 (unique_id): Now file scoped static.
853 (find_base_value, case REG): Return the value in reg_base_value
854 array for the REG if it exists. Else, return the value from
855 new_reg_base_value if copying args and REG is a hard register.
856 (find_base_value, case PLUS): If either operand of the PLUS is
857 a REG, try to get its base value. Handle base + index and
859 (record_set): Use new_reg_base_value instead of reg_base_value.
860 (init_alias_analysis): Allocate space for new_reg_base_value too.
861 Rework code to iterate over the insns propagating base value
862 information until nothing changes.
864 * global.c (global_alloc): Free the conflict matrix after
867 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
869 * libgcc2.c (L_eh): Define __eh_pc.
870 Replace __eh_type with generic pointer __eh_info.
872 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
874 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
875 use copy_to_reg if address is not a general_operand.
877 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
879 * profile.c (output_func_start_profiler): Clear flag_inline_functions
880 for the duration of the call to rest_of_compilation.
882 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
884 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
886 (sparc*-*-*): Recognize --with-cpu=v9.
887 * sparc/elf.h: New file.
888 * sparc/t-elf: New file.
890 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
892 * mn10300.c (const_8bit_operand): New function.
893 (mask_ok_for_mem_btst): New funtion.
894 * mn10300.md (btst patterns with mem operands): Use new functions
895 to avoid creating btst instructions with invalid operands.
897 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
899 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
900 are running on PowerPC Linux.
902 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
904 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
905 if not previously defined.
907 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
909 * function.c (assign_parms): Correct mode of stack_parm if
910 entry_parm underwent a mode conversion.
912 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
914 * global.c (global_alloc): Use xmalloc instead of alloca for
915 CONFLICTS, since max_allocno * allocno_row_words alone can be more
916 than 2.5Mb sometimes.
918 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
920 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
921 DEST for the spill, adjust mode of SRC to compensate.
923 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
925 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
926 since any_memory_operand() allows pseudos during reload.
927 (reload_inhi, reload_outqi, reload_outhi): Likewise.
929 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
931 * m68k.md (btst patterns): Add 5200 support.
933 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
935 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
936 optimizations, look inside dividend to determine if the expression
937 can be simplified by using EXACT_DIV_EXPR.
939 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
942 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
944 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
946 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
948 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
950 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
953 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
955 * alpha.md (movqi, movhi): Make sure new insns created during reload
956 won't need reloading themselves.
957 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
959 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
961 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
963 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
965 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
966 Patch from Klaus Kaempf <kkaempf@progis.de>.
968 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
970 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
971 to an element in a constant string.
973 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
975 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
976 bit PC-relative offset. The exception range table pointer is now in
978 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
979 (count_fdes, add_fdes, get_cie): Adjust.
980 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
983 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
985 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
987 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
988 like stack_pointer_rtx.
990 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
992 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
993 targets using "$@" to provide support for similar but not identical
994 targets without having to duplicate code.
995 (bootstrap4): New goal.
997 * Makefile.in (compare, compare-lean, compare3): Combined to one
998 ruleset determining actions to be performed via $@.
999 (compare4, compare4-lean): New targets.
1000 (gnucompare, gnucompare3): Combined to one ruleset determining
1001 actions to be performed via $@. Also, note which files failed
1002 the comparison test in .bad_compare.
1003 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
1005 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
1007 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
1008 if the dividend is a multiple of the divisor.
1010 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
1012 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
1014 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
1017 * alias.c (true_dependence): Fix typo.
1019 * toplev.c (flag_rerun_loop_opt): New variable.
1020 (f_options): Handle -frerun-loop-opt.
1021 (rest_of_compilation): If -frerun-loop-opt, then run the loop
1023 (main): Enable -frerun-loop-opt by default for -O2 or greater.
1025 * loop.c (simplify_giv_expr): Adding two invariants results
1028 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
1030 * expr.c (get_inner_reference): Remove the array bias after
1031 converting the index to Pmode.
1033 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
1035 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
1036 (TARGET_MULT_BUG): Define.
1037 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
1038 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
1040 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
1042 * mn10200.c (indirect_memory_operand): Delete unused function.
1043 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
1044 * mn10200.md (bset, bclr insns): Handle output in a reg too.
1046 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
1048 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
1049 the callee's ldgp, we must do it ourselves, and we use the jsr tag
1050 for more than scheduling.
1052 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
1054 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
1056 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
1058 * mn10300.c (symbolic_operand, legitimize_address): New functions.
1059 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
1060 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
1062 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
1064 * version.c: Bump for snapshot.
1066 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1068 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
1071 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
1073 * toplev.c (flag_exceptions): Default value is 2.
1074 (compile_file): If flag_exceptions still has the value 2, then
1077 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
1078 (rs6000_save_machine_status): Save pic_offset_table_rtx.
1079 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
1081 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
1084 * rs6000.md (*movsi_got_internal_mem): New pattern.
1085 (*movsi_got_internal_mem splitter): New define_split.
1087 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
1089 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
1091 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
1093 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
1094 only need to save LR.
1096 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
1098 * mn10300.md (movqi, movhi): Avoid using address registers as
1099 destinations unless absolutely necessary.
1101 * mn10200.c (expand_prologue): Fix typo.
1103 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
1105 * mn10200.md (neghi2): Provide an alternative which works if
1106 the input and output register are the same.
1108 * mn10300.c (print_operand): Handle 'S'.
1109 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
1110 shift amount in last alternative
1112 * mn10300.c (expand_epilogue): Rework to handle register restores
1113 in "ret" and "retf" instructions correctly.
1115 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
1117 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
1118 extzv for memory operands.
1120 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
1121 redundant conditional moves to single operand.
1123 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
1125 * v850.h: Move define of __v850__ from CPP_PREDEFINES
1128 * xm-v850.h: Use __v850 rather than __v850__ to
1131 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
1133 * mips/mips.c (compute_frame_size): Not a leaf function if
1136 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
1138 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
1140 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
1142 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
1143 (DEFAULT_ARCH32_P): New macro.
1144 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
1145 (enum cmodel): Declare.
1146 (sparc_cmodel_string,sparc_cmodel): Declare.
1147 (SPARC_DEFAULT_CMODEL): Provide default.
1148 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
1149 (TARGET_FULLANY): Deleted.
1150 (TARGET_CM_MEDMID): New macro.
1151 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
1152 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
1153 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
1154 (CPP_SPEC): Rewrite.
1155 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
1156 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
1157 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
1158 (ASM_SPEC): Add %(asm_arch).
1159 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
1160 Rename asm_default to asm_cpu_default.
1161 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
1162 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
1163 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
1164 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
1165 (MASK_INT64,MASK_LONG64): Delete.
1166 (MASK_ARCH64): Renamed to MASK_64BIT.
1167 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
1168 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
1169 (TARGET_SWITCHES): Always provide 64 bit options.
1170 (ARCH64_SWITCHES): Delete.
1171 (TARGET_OPTIONS): New option -mcmodel=.
1172 (INT_TYPE_SIZE): Always 32.
1173 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
1174 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
1175 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
1176 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
1177 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
1179 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1180 * sparc/linux.h: Likewise.
1181 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
1182 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
1183 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
1184 (SPARC_DEFAULT_CMODEL): Define.
1185 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
1186 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1187 (LONG_DOUBLE_TYPE_SIZE): Define.
1188 (ASM_SPEC): Add %(asm_arch).
1189 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
1190 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1191 (TARGET_CPU_DEFAULT): Add ultrasparc case.
1192 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
1193 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
1194 (SPARC_DEFAULT_CMODEL): Define.
1195 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
1196 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
1197 MASK_LONG64, MASK_MEDANY.
1198 (SPARC_DEFAULT_CMODEL): Define.
1199 (CPP_PREDEFINES): Delete.
1200 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1201 (ASM_SPEC): Add %(asm_arch).
1202 (LONG_DOUBLE_TYPE_SIZE): Define.
1203 (DWARF2_DEBUGGING_INFO): Define.
1204 * sparc/splet.h (CPP_SPEC): Delete.
1205 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
1206 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
1207 (BLOCK_PROFILER): Likewise.
1208 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
1209 (sparc_override_options): Handle code model selection.
1210 (sparc_init_expanders): Renamed from sparc64_init_expanders.
1211 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
1212 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
1213 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
1214 (sethi_di_fullany): Delete.
1216 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
1217 Jeff Law <law@cygnus.com>
1218 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1220 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
1221 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
1222 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
1223 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
1224 * alpha/alpha.md (arg_home): Likewise.
1226 * alpha/alpha.c (vmskrunch): Delete
1227 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
1228 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
1229 truncate to 64 characters.
1231 * make-l2.com: Support openVMS/Alpha.
1233 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
1235 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1237 * longlong.h (count_leading_zeros): Add missing casts to USItype.
1239 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
1241 * i386/bsd386.h (ASM_COMMENT_START): Define.
1243 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
1245 * tree.c (restore_tree_status): Also free up temporary storage
1246 when we finish a toplevel function.
1247 (dump_tree_statistics): Print stats for backend obstacks.
1249 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
1251 * expr.c (use_group_regs): Don't call use_reg for MEMs.
1253 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
1255 * libgcc2.c (__throw): Don't copy the return address.
1256 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
1258 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
1259 * toplev.c (main): Initialize exceptions_via_longjmp.
1261 * tree.c: Add extra_inline_obstacks.
1262 (save_tree_status): Use it.
1263 (restore_tree_status): If this is a toplevel inline obstack and we
1264 didn't want to save anything on it, recycle it.
1265 (print_inline_obstack_statistics): New fn.
1266 * function.c (pop_function_context_from): Pass context to
1267 restore_tree_status.
1268 * obstack.h (obstack_empty_p): New macro.
1270 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
1272 * i386/freebsd.h (ASM_COMMENT_START): Fix.
1274 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
1276 * v850.c (ep_memory_offset): New function.
1277 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
1279 * v850.h (CONST_OK_FOR_*): Add and correct comments.
1280 (CONSTANT_ADDRESS_P): Add comment.
1281 (EXTRA_CONSTRAINT): Define 'U'.
1282 * v850.md: Add comments on bit field instructions.
1283 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
1284 (lshrsi3): Use N not J constraint.
1286 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
1288 * v850.c (reg_or_0_operand): Call register_operand.
1289 (reg_or_int5_operand): Likewise.
1290 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
1291 (TARGET_SWITCHES): Add "big-switch".
1292 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
1293 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
1294 (CASE_DROPS_THROUGH): Comment out.
1295 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
1296 * v850.md (cmpsi): Delete compare mode.
1297 (casesi): New pattern.
1299 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
1300 * v850.md (ashlsi3): Use SImode not QImode for shift count.
1301 (lshrsi3): Likewise.
1303 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
1304 unreachable switch statement after 'b' support. Remove "b" from
1305 strings for 'b' support.
1306 * v850.md (branch_normal, branch_invert): Change %b to b%b.
1308 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
1310 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
1311 empty line if @inhibit_libc@ is empty.
1313 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
1315 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
1316 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
1317 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
1318 (DWARF2_UNWIND_INFO): Let this track object file format.
1319 (EXTRA_SECTIONS): Add in_eh.
1320 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
1321 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
1323 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
1325 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
1326 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
1328 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
1329 (output_double_int): Output DI mode values correctly when
1330 HOST_BITS_PER_WIDE_INT is 64.
1331 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
1332 fmovd so it works if a quad float ends up in one of the upper 32
1334 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
1335 necessary for PIC support on sparc64.
1337 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
1339 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
1340 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
1341 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
1342 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
1343 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
1344 (SPARC_FP_ARG_FIRST): New macro.
1345 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
1346 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
1347 (NPARM_REGS): There are 32 fp argument registers now.
1348 (FUNCTION_ARG_REGNO_P): Likewise.
1349 (FIRST_PARM_OFFSET): Update to new v9 abi.
1350 (REG_PARM_STACK_SPACE): Define for arch64.
1351 (enum sparc_arg_class): Delete.
1352 (sparc_arg_count,sparc_n_named_args): Delete.
1353 (struct sparc_args): Redefine and use for arch32 as well as arch64.
1354 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
1355 (FUNCTION_ARG_ADVANCE): Rewrite.
1356 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
1357 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
1358 (FUNCTION_ARG_CALLEE_COPIES): Delete.
1359 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
1360 (STRICT_ARGUMENT_NAMING): Define.
1361 (doublemove_string): Declare.
1362 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
1363 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
1364 (doublemove_string): New function.
1365 (output_move_quad): Clean up some of the arch64 support.
1366 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
1367 Don't add 8 bytes of reserved space if arch64.
1368 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
1369 (init_cumulative_args): New function.
1370 (function_arg_slotno): New static function.
1371 (function_arg,function_arg_partial_nregs): New functions.
1372 (function_arg_{pass_by_reference,advance}): New functions.
1373 (function_arg_padding): New function.
1374 * ginclude/va-sparc.h: Rewrite v9 support.
1376 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1378 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
1379 for hard regs to determine base and index registers.
1381 * reload.c (debug_reload_to_stream): New function. Specify stream
1382 into which to write debug info.
1383 (debug_reload): Modify to call debug_reload_to_stream with stderr.
1385 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
1387 * combine.c (can_combine_p): Don't combine with an asm whose
1388 output is a hard register.
1390 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
1392 * c-decl.c (start_struct): Ensure that structs with forward
1393 declarations are in fact packed when -fpack-struct is given.
1395 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
1396 we are packing a structure. This allows a structure with only
1397 bytes to be aligned on a byte boundary and have no padding on a
1400 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1402 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
1404 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
1406 * alpha.c (alpha_return_addr_rtx): New variable.
1407 (alpha_save_machine_status): New; save it.
1408 (alpha_restore_machine_status): New; restore it.
1409 (alpha_init_expanders): New; clear it.
1410 (alpha_return_addr): New; set it.
1411 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
1412 is overly conservative, so search the insns explicitly.
1413 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
1414 (alpha_sa_size [VMS && !VMS]): Likewise.
1415 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
1416 (INIT_EXPANDERS): New definition.
1418 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
1419 (output_prolog [!VMS]): Use them.
1421 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
1422 (alpha_does_function_need_gp): ... a new function. Refine the
1423 CALL_INSN test to just TYPE_JSR.
1424 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
1426 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
1428 * version.c: Bump for snapshot.
1430 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1432 * pa.c (move_operand): Respect -mdisable-indexing.
1433 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
1435 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
1437 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
1439 (umulsidi3,umulsi3_highpart): Ditto.
1440 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
1442 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
1444 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
1445 (alpha_handle_trap_shadows): ... a new function. Handle the entire
1446 function in one go. Emit RTL for trapb, instead of printf directly.
1447 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
1448 (trap_pending): Kill global variable.
1449 (output_epilog): Don't call final_prescan_insn.
1450 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
1451 * alpha.h (FINAL_PRESCAN_INSN): Remove.
1452 (MACHINE_DEPENENT_REORG): Define.
1453 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
1456 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
1458 Tune Haifa scheduler for Alpha:
1459 * alpha.h (ISSUE_RATE): Define.
1460 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
1461 EV4 adjustments to EV5.
1462 * alpha.md: Remove all scaling from function unit delays. Rework
1463 EV5 function units to match the CPU.
1464 (umuldi3_highpart): EV5 added the IMULH insn class.
1466 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
1468 * pa.c (following_call): Fail if the CALL_INSN is an indirect
1471 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
1473 * cplus-dem.c (demangle_signature): Don't look for return types on
1474 constructors. Handle member template constructors.
1476 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
1478 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
1479 * tree.h: Declare them.
1481 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
1483 * configure.in: Handle --with-newlib.
1484 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
1486 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
1488 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
1490 * config/ptx4.h: Fix typo.
1492 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
1494 * version.c: Bump for snapshot.
1496 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
1498 * aclocal.m4: Substitute INSTALL.
1499 * configure: Re-built.
1501 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
1503 * integrate.c (save_for_inline_copying): Avoid undefined pointer
1505 (expand_inline_function): Likewise.
1507 * dwarf2out.c (output_call_frame_info): Reinstate last change
1508 using flag_debug_asm check instead of flag_verbose_asm.
1510 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
1512 * dwarf2out.c (output_call_frame_info): Remove last change.
1514 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1516 * frame.c (__frame_state_for): Execute the FDE insns until the
1517 current pc value is strictly bigger than the target pc value.
1519 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
1521 * regclass.c (init_reg_modes): If we can't find a mode for the
1522 register, use the previous one.
1524 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
1526 * haifa-sched.c (print_block_visualization): Call fprintf directly,
1527 don't sprintf through an alloca'ed buffer.
1529 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
1531 * reload.c (decompose): Always initialize val.base.
1533 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1535 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
1536 instead of aborting.
1537 * dwarf2out.c (output_call_frame_info): Call app_enable and
1538 app_disable to let GNU as accept the generated comments.
1540 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
1542 * tree.h (get_file_function_name): Add declaration.
1543 * dwarf2out.c (output_call_frame_info): No need to cast
1544 get_file_function_name call anymore.
1545 * profile.c (toplevel): Remove get_file_function_name
1547 * c-lang.c (finish_file): Ditto.
1549 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
1551 * Makefile.in (program_transform_name): Let autoconf substitute
1554 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
1556 * haifa-sched.c (schedule_block): If the first real insn in a
1557 block has any special notes attached to it, remove them.
1559 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
1561 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
1563 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1565 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
1567 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
1569 * Makefile.in (check-g77): New test target.
1570 (CHECK-TARGETS): Add check-g77.
1572 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1574 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
1576 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
1578 * flow.c (print_rtl_with_bb): Cast alloca return value for
1581 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
1583 * i386.h (RETURN_ADDR_RTX): New definition that works for
1584 __builtin_return_address(0) and -fomit-frame-pointer.
1586 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
1588 Bring over from FSF.
1589 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
1591 * mips.c (function_arg): Handle passing a struct
1592 containing a double in a DFmode register without the PARALLEL.
1594 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
1596 * pexecute.c: Use spawn if __CYGWIN32__.
1598 * pexecute.c: Include "config.h" first, as per autoconf manual
1599 (from Paul Eggert <eggert@twinsun.com>).
1601 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1603 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
1604 optimisation for f/expr.o and f/stb.o.
1606 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
1608 * cse.c (this_insn_cc0_mode): Initialize.
1610 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
1612 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
1614 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
1616 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
1618 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
1619 that pair will dual-issue on the 21164 and plus+beq won't.
1620 (bne): Likewise for cmpeq+beq.
1622 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
1624 * except.c (find_exception_handler_labels): Correct argument to free.
1626 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
1628 * except.c (find_exception_handler_labels): Free LABELS when we're
1631 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
1633 * version.c: Bump for snapshot.
1635 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1637 * flow.c (find_basic_blocks): Mark calls as potentially jumping
1640 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
1642 * configure.in: Substitute for "install" too.
1643 * configure: Rebuilt.
1645 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
1647 * Makefile.in (bootstrap-lean, compare-lean): New targets.
1649 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
1651 * alias.c (base_alias_check): Two symbols can conflict if they
1652 are accessed via AND.
1653 (memrefs_conflict_p): Likewise.
1655 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
1656 after flushing argument registers to the stack.
1658 * Makefile.in (mostlyclean): Remove .regmove files.
1660 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1662 * libgcc2.c (__throw): Fix thinko.
1664 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
1666 * cplus-dem.c (demangle_template): Add new parameter. Handle new
1667 template-function mangling.
1668 (consume_count_with_underscores): New function.
1669 (demangle_signature): Handle new name-mangling scheme.
1671 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1673 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
1676 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
1678 * frame.c: Remove last change.
1679 * dwarf2.h: Remove last change.
1680 * tree.h: Add declarations of DWARF2 unwind info support
1683 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1685 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
1686 * tree.h (built_in_function): Likewise.
1687 * expr.c (expand_builtin): Likewise.
1688 * except.h: Likewise.
1689 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
1690 * libgcc2.c (copy_reg): New fn.
1693 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
1695 * c-typeck.c (build_binary_op): Warn about comparing signed vs
1696 unsigned if -W is specified and -Wno-sign-compare is not.
1697 * c-decl.c (warn_sign_compare): Initialize to -1.
1698 (c_decode_option): -Wall no longer implies -Wsign-compare.
1700 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1702 * frame.c: Include gansidecl.h for PROTO.
1703 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
1704 defined. Don't declare dwarf2out_cfi_label here.
1705 * dwarf2.h: Add declarations of DWARF2 unwind info support
1707 * m68k.c: Include dwarf2.h.
1708 (output_function_prologue): Add dwarf2 support.
1709 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
1710 (INCOMING_FRAME_SP_OFFSET): Likewise.
1712 * integrate.c (expand_inline_function): Make sure there is at
1713 least one insn that can be used as an insertion point.
1715 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1717 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
1719 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
1721 * version.c: Bump for snapshot.
1723 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
1725 Bring over from FSF.
1727 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
1729 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
1730 (get_pc_via_rdpc): Renamed from get_pc_sp64.
1731 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
1733 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
1735 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
1736 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
1738 (sparc_align_{loops,jumps,funcs}_string): Declare.
1739 (sparc_align_{loops,jumps,funcs}): Declare.
1740 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
1741 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
1742 (STACK_BIAS): Define.
1743 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
1745 (SPARC_SETHI_P): New macro.
1746 (CONST_OK_FOR_LETTER_P): Use it.
1747 (ASM_OUTPUT_ALIGN_CODE): Define.
1748 (ASM_OUTPUT_LOOP_ALIGN): Define.
1749 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
1750 (sparc_align_{loops,jumps,funcs}): New globals.
1751 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
1753 (move_operand): Use SPARC_SETHI_P.
1754 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
1756 (arith11_double_operand): Likewise.
1757 (arith10_double_operand): Likewise.
1758 (finalize_pic): Finish sparc64 support.
1759 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
1760 64 bit constants if able.
1761 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
1762 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
1764 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
1765 (get_pc_sp32): Use for sparc64 as well.
1766 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
1767 (sethi_di_sp64_const): Likewise.
1768 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
1769 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
1770 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
1772 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
1774 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
1775 * sparc/linux.h (COMMENT_BEGIN): Likewise.
1776 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
1778 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
1780 Add sparc64 linux support.
1781 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
1782 to xm_file list on 32-bit sparc-linux.
1783 * sparc/xm-sp64.h: New file.
1784 * sparc/linux64.h: New file.
1785 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
1786 Don't include xm-sparc.h.
1787 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
1788 * glimits.h (LONG_MAX): Handle sparc64.
1790 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
1792 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
1793 * sparc.h (ASM_COMMENT_START): Define.
1794 * sparc.c (output_function_prologue): Use it.
1795 (sparc_flat_output_function_{epi,pro}logue): Likewise.
1797 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
1799 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
1800 use sparc.h's copies.
1801 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
1804 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1806 * sparc.c (dwarf2out_cfi_label): Add declaration.
1807 (save_regs, output_function_prologue): Remove cast for it.
1808 (sparc_flat_{save_restore,output_function_prologue): Likewise.
1809 ({save,restore}_regs): No longer inline.
1811 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1813 * fold-const.c (make_range): Correctly handle cases of converting
1814 from unsigned to signed type.
1816 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1818 * fold-const.c (merge_ranges): Make sure that if one range is subset
1819 of another, it will always be the second range. Correct (+,-) case to
1822 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1824 * final.c (final_end_function): Also do dwarf2 thing if
1825 DWARF2_DEBUGGING_INFO.
1826 (final_start_function): Likewise.
1828 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
1830 * expmed.c (expand_divmod): If compute_mode is not the same as
1831 mode, handle the case where convert_modes() causes op1 to no
1832 longer be a CONST_INT.
1834 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
1835 note holding get_jump_flags() calculation to all JUMP_INSNs.
1836 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
1837 * rtl.c (reg_note_name): Add new note types.
1839 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
1841 * rtlanal.c (computed_jump_p): Fix typo in last change.
1843 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1845 * loop.c (indirect_jump_in_function_p): Return 0
1848 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
1850 * rs6000/xm-rs6000.h: Fix thinko in last change.
1851 * rs6000/xm-sysv4.h: Likewise.
1853 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
1855 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
1857 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
1859 * reg-stack.c (find_blocks): Fix thinko in last change.
1861 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1863 * m68k.c (output_function_prologue): Add dwarf2 support.
1865 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
1866 INCOMING_FRAME_SP_OFFSET): New definitions.
1868 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
1870 * combine.c (try_combine): Use NULL_RTX instead of '0' where
1871 appropriate in calls to gen_rtx().
1872 * cse.c (cse_main): Likewise.
1873 * emit-rtl.c (gen_label_rtx): Likewise.
1874 * expr.c (init_expr_once): Likewise.
1875 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
1876 sched_analyze, init_rgn_data_dependences,
1877 compute_block_backward_dependences): Likewise.
1878 * sched.c (schedule_insns): Likewise.
1879 * varasm.c (immed_double_const): Likewise.
1881 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
1882 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
1884 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
1886 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
1887 (MULTILIB_DEFAULTS): Define.
1888 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
1889 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
1890 (LIBGCC_SPEC): Likewise.
1891 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
1892 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
1893 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
1894 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
1895 (EXTRA_PARTS, TAROUTOPTS): Delete.
1896 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
1897 (MULTILIB_OPTIONS): Define.
1898 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
1899 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
1901 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
1903 * version.c: Bump for snapshot.
1905 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
1907 * loop.c (loop_number): Delete function. Change all references
1908 to use uid_loop_num array.
1909 * loop.h (loop_number): Delete declaration.
1910 * unroll.c (unroll_loop): Change "loop_number" references to
1911 use uid_loop_num instead.
1913 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
1915 (loop_unroll_iter): Remove unused variable and all references.
1916 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
1917 (insert_bct): Fix minor formatting problems.
1918 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
1919 (loop_unroll_iter): Removed unused decl.
1920 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
1921 Always record the unrolling factor.
1923 * cse.c (simplify_relational_operation): Set h0u just like h0s.
1924 Similarly for h1u and h1s.
1926 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
1927 (find_basic_blocks): Use computed_jump_p to determine if a
1928 particular JUMP_INSN is a computed jump.
1929 * reg-stack.c (find_blocks): Use computed_jump_p to determine
1930 if a particular JUMP_INSN is a computed jump.
1931 * rtlanal.c (jmp_uses_reg_or_mem): New function.
1932 (computed_jump_p): Likewise.
1933 * rtl.h (computed_jump_p): Declare.
1934 * genattrtab.c (pc_rtx): Define and initialize.
1935 * loop.c (loop_optimize): Always determine if the current
1936 function has a computed jump.
1937 (indirect_jump_in_function_p): Use computed_jump_p to determine
1938 if a particular JUMP_INSN is a computed jump.
1940 * loop.c (fix_bct_param): Delete unused function.
1941 (check_bct_param): Likewise.
1943 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1945 * frame.c (__deregister_frame): Check properly for initialized object.
1947 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1949 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
1951 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1953 * jump.c (thread_jumps): check can_reverse_comparison_p before
1954 threading a reversed-condition jump.
1956 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
1957 * haifa-sched.c (update_flow_info): Likewise.
1959 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
1961 * Makefile.in (BOOT_CFLAGS): Use -O2.
1963 * configure.in (strtoul, bsearch): Have autoconf check for these
1965 * configure, config.in: Rebuilt.
1967 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
1968 * mips/mips.h (alloca): Likewise.
1969 * rs6000/xm-rs6000.h (alloca): Likewise.
1970 * rs6000/xm-sysv4.h: Likewise.
1972 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
1974 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
1975 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
1976 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
1978 * except.c (end_eh_unwinder): Subtract 1 from return address.
1979 * libgcc2.c (__throw): Likewise.
1980 (find_exception_handler): Don't change PC here. Compare end with >.
1982 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
1984 * v850.c (compute_register_save_size): Correct register
1986 * v850.md (save_interrupt, return_interrupt): Correct
1988 * v850/lib1funcs.asm (save_interrupt): Correct register number.
1989 (return_interrupt): Use stack pointer, not element pointer.
1991 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
1993 * configure.in, configure: Make sure to create the stage* and include
1994 symbolic links in each subdirectory.
1996 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
1998 * pa.md (reload_peepholes): Don't allow addresses with side
1999 effects for the memory operand.
2001 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
2003 * libgcc2.c (find_exception_handler): Subtract one from our PC when
2004 looking for a handler, to avoid hitting the beginning of the next
2007 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
2009 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
2011 * mips/abi64.h (LONG_MAX_SPEC): Define.
2012 * mips.h (LONG_MAX_SPEC): Define.
2013 (CPP_SPEC): Include long_max_spec.
2014 (EXTRA_SPECS): Include long_max_spec.
2016 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
2018 * v850.c (construct_save_jarl): Fix thinko in last change.
2020 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
2022 * version.c: Bump for snapshot.
2024 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
2026 * libgcc2.c (find_exception_handler): Not found is -1.
2028 * integrate.c (expand_inline_function): Move expand_start_bindings
2029 after expanding the arguments.
2031 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
2033 * expr.c (expand_expr): Remove previous incorrect change.
2034 If target and slot has no DECL_RTL, then call mark_addressable
2035 again for the slot after we give it RTL.
2037 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
2039 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
2040 again for the slot after we give it RTL.
2042 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
2044 * v850.c (register_is_ok_for_epilogue,
2045 pattern_is_ok_for_epilogue, construct_restore_jr,
2046 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
2048 * v850.h (pattern_is_ok_for_prologue,
2049 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
2052 * v850.md: Replace prologue and epilogue patterns with a
2053 match_parallel pattern.
2055 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
2057 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
2058 * configure.in: Use EGCS_PROG_INSTALL.
2060 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
2062 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
2063 extern inline function.
2065 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
2067 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
2068 (concat_loc_descriptor): New function.
2069 (loc_descriptor): Call it.
2070 (add_AT_location_description): Also elide the descriptor if both
2071 halves of a CONCAT are pseudos.
2072 (add_location_or_const_value_attribute): Recognize CONCAT too.
2074 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
2076 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
2078 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
2079 out-or-range reg_offset.
2080 (output_epilog): Likewise.
2082 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
2084 * cse.c (simplify_relational_operation): If MODE specifies a
2085 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
2086 is derived from the sign bit of the low word.
2088 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2090 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
2092 * dwarf2.h: Add DW_CFA_GNU_args_size.
2093 * frame.c (execute_cfa_insn): Likewise.
2094 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
2095 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
2096 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
2097 insn, hand it off to dwarf2out_stack_adjust.
2098 (dwarf2out_begin_prologue): Initialize args_size.
2099 * frame.h (struct frame_state): Add args_size.
2100 * libgcc2.c (__throw): Use args_size.
2101 * final.c (final_scan_insn): If we push args, hand off all insns
2102 to dwarf2out_frame_debug.
2103 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
2105 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
2106 Handle epilogue restore of SP from FP.
2107 * emit-rtl.c (gen_sequence): Still generate a sequence if the
2108 lone insn has RTX_FRAME_RELATED_P set.
2110 * frame.c (extract_cie_info): Handle "e" augmentation.
2111 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
2112 absence of UNALIGNED_*_ASM_OP.
2113 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
2114 (output_call_frame_info): Use "e" instead of "z" for augmentation.
2115 Don't emit augmentation fields length.
2116 (dwarf2out_do_frame): Move outside of #ifdefs.
2117 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
2120 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
2121 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
2122 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
2123 * sparc/sun4gas.h: New file.
2124 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
2126 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
2127 __register_frame_table and __deregister_frame.
2129 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
2131 * except.c (find_exception_handler_labels): Use xmalloc instead of
2132 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
2135 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
2137 * Makefile.in: Various changes to build info files
2138 in the object tree rather than the source tree.
2140 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
2142 * fixinc.math: New file to fix math.h on some systems.
2143 * configure.in (freebsd, netbsd): Use fixinc.math on these
2145 * configure: Rebuilt.
2147 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
2149 * regmove.c (regmove_optimize): If we end up moving the
2150 original insn due to lifetime overlaps, make sure to move
2153 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
2155 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
2157 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
2159 * haifa-sched.c (add_branch_dependences): Make each insn in
2160 a SCHED_GROUP_P block explicitly depend on the previous insn.
2162 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2164 * except.h: Prototype dwarf2 hooks.
2167 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
2169 * configure.in (native_prefix): Delete.
2170 (mips-dec-netbsd): Don't set prefix.
2171 (*linux*): Don't set prefix.
2173 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
2175 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
2176 defined. If not defined, include <sys/varargs.h> if
2177 HAVE_SYS_VARARGS_H is defined.
2178 * configure.in: Test for varargs.h and sys/varargs.h.
2179 * configure: Regenerate with autoconf.
2180 * config.in: Regenerate with autoheader.
2182 * cpplib.c (quote_string): Cast first arg of sprintf call
2183 from "unsigned char *" to "char *".
2184 (output_line_command): Ditto.
2185 (macroexpand): Ditto.
2186 (do_line): Cast atoi arg from "unsigned char *" to "char *".
2188 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
2190 * version.c: Bump for snapshot.
2192 * Makefile.in (compare): Exit with nonzero status if there
2193 are comparison failures. Note which files failed the
2194 comparison test in .bad_compare.
2196 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2198 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
2200 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
2202 * Makefile.in (LN, LN_S): New macros, use where appropriate.
2203 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
2204 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
2205 * configure: Regenerated.
2207 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
2209 * loop.c (strength_reduce): Fix typo.
2211 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
2213 * m88k/m88k.c (struct option): Rename to struct options.
2214 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
2215 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
2216 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
2217 __DOLPHIN__ or sysV88.
2219 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
2221 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
2224 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
2226 * config.sub: Accept 'amigados' for backward compatability.
2228 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2230 * Makefile.in (testsuite/site.exp): New target.
2231 (check-gcc, check-g++): Depend on testsuite/site.exp.
2232 Don't stop for failure.
2234 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
2236 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
2237 if DWARF2_UNWIND_INFO.
2239 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
2241 Add support for exception handling using DWARF 2 frame unwind info.
2242 Currently works on SPARC and MIPS, and almost on x86.
2244 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
2245 next_stack_level, in_reg_window): Helper fns.
2246 (__throw): Implement for DWARF2_UNWIND_INFO.
2248 * expr.c (expand_builtin): Handle builtins used by __throw.
2249 * tree.h (enum built_in_function): Add builtins used by __throw.
2250 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
2251 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
2252 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
2253 (expand_builtin_extract_return_addr): Likewise.
2254 (expand_builtin_frob_return_addr): Likewise.
2255 (expand_builtin_set_return_addr_reg): Likewise.
2256 (expand_builtin_eh_stub): Likewise.
2257 (expand_builtin_set_eh_regs): Likewise.
2258 (eh_regs): Choose two call-clobbered registers for passing back values.
2260 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
2261 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
2262 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
2263 (stmp-multilib): Likewise.
2264 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
2266 * except.c: #include "defaults.h".
2267 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
2268 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
2269 (register_exception_table_p): New fn.
2270 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
2271 (end_eh_unwinder): Likewise.
2273 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
2274 call __register_frame and __deregister_frame as needed.
2275 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
2276 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
2277 EH_FRAME_SECTION_ASM_OP.
2278 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
2279 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
2280 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
2282 * dwarf2out.c (output_call_frame_info): If no support for
2283 EXCEPTION_SECTION, mark the start of the frame info with a
2285 * collect2.c (frame_tables): New list.
2286 (is_ctor_dtor): Recognise frame entries.
2287 (scan_prog_file): Likewise.
2288 (main): Pass -fno-exceptions to sub-compile. Also do collection
2289 if there are any frame entries.
2290 (write_c_file_stat): Call __register_frame_table and
2291 __deregister_frame as needed.
2292 (write_c_file_glob): Likewise.
2294 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
2295 Also require unaligned reloc support.
2296 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2297 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
2298 * sparc/sysv4.h: Not here.
2300 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
2301 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
2302 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
2304 * libgcc2.c (L_eh): Reorganize, moving code shared by different
2305 EH implementations to the top.
2306 (find_exception_handler): Split out. Start from 0. Compare against
2308 (__find_first_exception_table_match): Use it.
2309 * except.c (output_exception_table): Don't do anything if there's
2310 no table. Don't output a first entry of zeroes.
2311 (eh_outer_context): Adjust properly.
2312 (add_eh_table_entry): Use xrealloc.
2313 * toplev.c (compile_file): Just call output_exception_table.
2315 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
2317 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
2319 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
2321 * except.c (eh_outer_context): Do masking using expand_and.
2323 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
2325 Add port done awhile ago for the ARC cpu.
2326 * arc/arc.h: New file.
2327 * arc/arc.c: New file.
2328 * arc/arc.md: New file.
2329 * arc/initfini.c: New file.
2330 * arc/lib1funcs.asm: New file.
2331 * arc/t-arc: New file.
2332 * arc/xm-arc.h: New file.
2333 * ginclude/va-arc.h: New file.
2334 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
2335 * ginclude/varargs.h: Likewise.
2336 * Makefile.in (USER_H): Add va-arc.h.
2337 * configure.in (arc-*-elf*): Recognize.
2338 * longlong.h: Add ARC support.
2340 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
2342 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
2343 when clearing non-BLKmode data.
2345 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
2347 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
2348 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
2350 * xm-m88k.h (USG): Only define if it hasn't already been defined.
2352 * Makefile.in (risky-stage1): Delete gratutious whitespace.
2354 * Makefile.in (clean): Delete libgcc1-test.
2356 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
2358 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
2360 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
2363 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2365 * dwarf2out.c (output_call_frame_info): Call named_section.
2367 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
2369 * haifa-sched.c (print_value): Fix last change.
2371 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
2373 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
2376 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
2378 * mips.c (function_prologue): Set up the CFA when ABI_32.
2380 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
2381 for dwarf2 unwind info.
2382 (output_function_prologue, sparc_flat_output_function_prologue): Same.
2384 * final.c (final_end_function): Check dwarf2out_do_frame instead
2385 of DWARF2_DEBUG for dwarf2 unwind info.
2386 (final_scan_insn): Likewise.
2387 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
2390 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
2393 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
2395 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
2397 * v850.h (ASM_SPEC): Pass on target processor.
2398 (CPP_PREDEFINES): Only define if not already specified.
2399 (TARGET_VERSION): Only define if not already specified.
2400 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
2402 (EXTRA_SWITCHES): Extra entries in the switches array.
2403 (TARGET_DEFAULT): Set default target processor.
2405 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
2407 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
2408 cases, add %# and %/, and add : to make them into extended asms.
2410 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
2412 * alias.c (init_alias_analysis): Clean up incompatible pointer
2413 type warning in bzero.
2414 * regmove.c (regmove_optimize): Ditto.
2415 * haifa-sched.c (find_rgns): Ditto.
2417 * haifa-sched.c (print_value): Clean up ptr->int cast
2420 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
2422 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
2423 * install.texi (Configurations): Ditto.
2424 * config.sub: Ditto.
2426 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
2428 * Makefile.in (sdbout.o): Depend on insn-config.h.
2430 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
2432 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
2433 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
2435 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
2437 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
2438 prologue insn, only the first elt is significant.
2439 (output_call_frame_info): For exception handling, always use 4-byte
2440 fields as specified by the dwarf2 spec.
2441 Don't skip trivial FDEs.
2443 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
2445 * version.c: Bump for snapshot.
2447 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
2449 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
2450 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
2453 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
2455 * final.c (shorten_branches): During first pass, assume worst
2456 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
2458 * Makefile.in (distclean): Remove various things left around
2459 by running the testsuite.
2461 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
2463 * configure.in (out_file): Emit definition to config.status in order
2464 to have a defined value for configure.lang.
2465 * configure: Re-built.
2467 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
2469 * configure.in: Make symlink to as-new rather than as.new. Similarly
2471 * configure: Rebuilt.
2473 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
2475 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
2477 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
2479 * sparc/sparc.md: Add ultrasparc scheduling support.
2480 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
2482 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2484 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
2485 as initial value for real_label_map.
2486 (copy_for_inline): Likewise.
2488 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2490 * sched.c (update_flow_info) When looking if to set found_split_dest
2491 or found_orig_dest, look at all parts of a PARALLEL.
2492 * haifa-sched.c (update_flow_info): Likewise.
2494 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
2496 * v850: New directory for v850 port.
2497 * v850/lib1funcs.asm: New file.
2498 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
2499 * ginclude/va-v850.h: New file.
2500 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
2501 * configure.in (mn10200-*-*): New target.
2502 * configure: Rebuilt.
2503 * config.sub: Handle v850-elf.
2504 * Makefile.in (USER_H): Add va-mn10200.h.
2505 * invoke.texi: Document v850 stuff.
2507 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
2509 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
2510 has integer TYPE_{MAX,MIN}_VALUE before using them.
2512 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
2513 __HPUX_ASM__ versions.
2515 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
2517 * install.sh: Delete duplicate install script.
2519 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
2521 * reg-stack.c (subst_stack_regs): Pop the stack register for a
2522 computed goto which sets the same stack register.
2524 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
2525 destination are both on the regstack.
2526 (subst_stack_regs_pat): Put the destination at the top of the regstack.
2528 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
2530 * mips.md (nonlocal_goto_receiver): Define.
2532 * profile.c (output_arc_profiler): Check next_insert_after for non
2533 NULL before deferencing it.
2535 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
2537 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
2539 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
2541 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
2543 * toplev.c (rest_of_compilation): For passes starting with
2544 flow_analysis, use print_rtl_with_bb instead of print_rtl.
2546 * print-rtl.c (print_rtl_single): Print a single rtl value to a
2549 * flow.c (print_rtl_with_bb): Print which insns start and end
2550 basic blocks. For the start of a basic block, also print the live
2553 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
2555 * toplev.c (main): Change #elif to #else/#ifdef
2557 * tlink.c: Include ctype.h.
2558 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
2560 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
2562 * bitmap.c: Conditionally include stdlib.h.
2563 (free): Provide a declaration if NEED_DECLARATION_FREE.
2565 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
2567 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
2569 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
2571 * profile.c (output_arc_profiler): Verify next_insert_after is an
2572 INSN before and after skipping a stack pop.
2574 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2576 * final.c (shorten_branches): Don't count the lengths of deleted
2579 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
2581 * version.c: Bump for snapshot.
2583 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
2585 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
2586 two bitmaps ANDed together.
2587 (bitmap_print): Declare.
2589 * bitmap.c (function_obstack): Don't declare any more.
2590 (bitmap_obstack): Obstack for allocating links from.
2591 (bitmap_obstack_init): New static to say whether to initialize
2593 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
2594 (bitmap_release_memory): Free all memory allocated from
2597 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
2598 EXECUTE_IF_AND_IN_BITMAP.
2600 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
2602 * alias.c (true_dependence): Address with AND can alias scalars.
2603 (anti_dependence, output_dependence): Likewise.
2605 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
2607 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
2609 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
2610 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
2611 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
2612 definitions. Use -qrtems instead of -mrtems.
2614 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
2616 * xm-sco5.h (sys_siglist): Define.
2617 (SYS_SIGLIST_DECLARED): Likewise.
2619 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
2621 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
2623 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
2625 * except.c (eh_outer_context): Expand masking operation using
2628 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
2630 * alpha.md (floatdisf2-1): New pattern.
2632 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
2634 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
2635 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
2636 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
2637 * gcc.texi: Note that if you define sys_siglist that you should
2638 also define SYS_SIGLIST_DECLARED.
2640 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
2641 are relative to the next instruction, not the current instruction.
2643 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
2645 * local-alloc.c (contains_replace_regs): New function.
2646 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
2647 verify that there is no existing REG_EQUIV note, and add a call to
2648 contains_place_regs.
2650 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2652 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
2653 (STARTFILE_SPEC): Always use crtbegin.o%s
2654 (ENDFILE_SPEC): Always use crtend.o%s.
2656 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
2658 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
2660 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
2661 SFmode for 64 bit hosts.
2663 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
2665 * fixincludes: Permits spaces between # and define. Discard C++
2666 comments in sys/pci.h on HP/UX 10.20.
2668 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
2670 * version.c: Bump for snapshot.
2672 * pa.c (restore_unscaled_index_insn_codes): New function.
2673 (record_unscaled_index_insn_codes): Likewise.
2674 (output_function_prologue): Call restore_unscaled_index_insn_codes.
2675 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
2676 (pa_reorg): Call record_unscaled_index_insn_codes.
2678 * haifa-sched.c (move_insn): Handle notes correctly for insns
2679 with SCHED_GROUP_P set.
2681 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2683 * alpha/xm-linux.h (USE_BFD): Undef before define.
2685 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
2687 * cse.c (cse_insn): Don't record BLKmode values.
2689 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
2691 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
2693 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
2695 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
2696 * collect2.c (sys_errlist): Likewise.
2697 * cpplib.c (sys_errlist): Likewise.
2698 * gcc.c (sys_errlist): Likewise.
2699 * protoize (sys_errlist): Likewise.
2700 * configure.in: Check for strerror.
2701 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
2702 * xm-gnu.h (HAVE_STRERROR): Likewise.
2703 * xm-linux.h (HAVE_STRERROR): Likewise.
2704 * xm-netbsd.h (HAVE_STRERROR): Likewise.
2705 * xm-bsd386.h (HAVE_STRERROR): Likewise.
2706 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
2707 * xm-dos.h (HAVE_STRERROR): Likewise.
2708 * xm-mingw32.h (HAVE_STRERROR): Likewise.
2709 * xm-pa.h (HAVE_STRERROR): Likewise.
2710 * xm-papro.h (HAVE_STRERROR): Likewise.
2711 * xm-sysv4.h (HAVE_STRERROR): Likewise.
2712 * configure, config.in: Rebuilt.
2714 * Makefile.in: Add several missing "else true" clauses.
2716 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
2717 * mips-tfile.c: Likewise.
2718 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
2719 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
2720 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
2721 * configure.in: Check for sys_siglist declaration.
2722 * configure, config.in: Rebuilt.
2724 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
2726 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
2727 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
2728 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
2729 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
2730 * rs6000/sysv4.h (extra_subtarget_switches): Added new
2731 macro EXTRA_SUBTARGET_SWITCHES.
2732 * configure.in (sh*-*-rtems*): New target.
2733 * sh/rtems.h: New file.
2734 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
2735 * configure: Rebuilt.
2737 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
2739 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
2741 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
2743 * rs6000.md: Make DF fused-add operations pay attention to
2746 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
2748 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
2750 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
2752 * pa.md (reload_peepholes): Make sure operand is a REG before
2753 examining REGNO. Allow general registers too.
2755 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
2757 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
2759 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
2761 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
2762 to reallocate abbrev_die_table.
2764 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
2766 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
2768 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2770 * Makefile.in (config.status): Depend on version.c
2772 * expr.h (insn_gen_function): Reenable prototype.
2774 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
2777 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
2779 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
2781 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
2783 * version.c: Bump for latest snapshot.
2785 * bc-optab.c: Conditionally include stdlib.h.
2786 (free): Provide a declaration if NEED_DECLARATION_FREE.
2787 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
2788 * rtl.h (free): Remove declaration.
2789 * tree.h (free): Remvoe declaration.
2791 * configure: Rebuilt.
2793 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
2795 * flags.h (flag_move_all_movables): Declare.
2796 (flag_reduce_all_givs): Likewise.
2797 * loop.c (move_movables): Handle flag_move_all_movables.
2798 (strength_reduce): Handle flag_reduce_all_givs.
2799 * toplev.c (flag_move_all_movables): Define.
2800 (flag_reduce_all_givs): Likewise.
2801 (f_options): Add -fmove-all-movables and -freduce-all-givs.
2802 * invoke.texi: Document new options, including alias stuff that
2803 wasn't included last time.
2805 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
2807 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
2810 * t-vxworks68: Ditto.
2811 * t-vxworks960: Ditto.
2814 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
2816 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
2817 if not already defined, and USE_C_ALLOCA not defined.
2819 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
2821 * config.guess: Replace with script that uses ../config.guess.
2823 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
2824 if USE_GNULIBC_1 is not defined.
2826 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
2828 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
2829 * config.guess: Recognize alpha-linux-gnulibc1.
2830 * configure.in (alpha-*-linux-gnulibc1): New target.
2831 (alpha-*-linux-gnu*): Don't build crtbegin/end.
2833 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
2835 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
2838 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
2840 * loop.c (combine_movables): Earlier insns don't match later ones.
2842 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2844 * config/linux.h (CC1_SPEC): Define it only if not defined.
2846 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
2849 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
2850 USE_GNULIBC_1 is not defined.
2852 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
2854 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
2855 as 1 if USE_GNULIBC_1 is not defined.
2857 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
2859 * reorg.c (dbr_schedule): Allow current_function_return_rtx
2860 to be something other than a REG.
2861 * function.c (expand_function_end): Fix current_function_return_rtx
2864 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
2865 * x-netbsd: Likewise
2866 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
2867 (INSTALL_HEADERS): Delete.
2868 * x-dguxbcs: Likewise.
2869 * x-hp3bsd44: Likewise
2872 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2874 * i386.md (pop): pop increments the stack pointer.
2875 (prologue_set_stack_ptr): New pattern.
2876 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
2879 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
2881 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
2882 address where an offsettable address is required.
2884 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
2886 * loop.c (check_final_value): Don't miss a biv increment in a
2889 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
2891 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
2892 TYPE_DECL_IS_STUB instead of DECL_NAME.
2894 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2896 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
2898 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
2900 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
2902 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
2904 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
2905 (find_post_sched_live): Likewise.
2907 * haifa-sched.c (schedule_block): Remove old code to get arguments
2908 from hard regs into pseudos early.
2910 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
2912 * version.c: Bump for new snapshot.
2914 * local-alloc.c (update_equiv_regs): All the target to reject
2915 promotion of some REG_EQUAL to REG_EQUIV notes.
2916 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
2918 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
2921 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
2922 store of the argument registers.
2924 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
2926 * fold-const.c (multiple_of_p): New function.
2927 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
2929 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
2931 * expr.h (insn_gen_function): Temporarily remove prototype.
2933 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
2935 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
2936 filenames. Use sed to extract base filename for install.
2938 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
2940 * unroll.c (find_splittable_givs): Only share if two givs have the
2941 same add and multiply values.
2943 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
2945 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
2946 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
2948 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
2950 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
2951 around branch tables.
2952 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
2953 and .end_brtab directives if TARGET_GAS.
2955 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
2957 * alias.c (true_dependence): Pass x_addr not x to varies.
2959 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
2960 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
2961 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
2963 * config.in, configure: Regenerate.
2965 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
2967 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
2969 (record_set): Handle LO_SUM like PLUS.
2970 (init_alias_analysis): When following chains of base addresses,
2971 do not stop on reaching a hard register.
2973 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
2975 * version.c: Bump for new snapshot.
2977 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
2979 * alpha.h (ARCH_ASM_FILE_START): Define.
2980 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
2981 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
2983 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
2985 * Makefile.in (install-common): Put gcov comment at start of line.
2987 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
2989 * alias.c (init_alias_analysis): When simplifying the reg_base_value
2990 array, simplify entries for hard registers too.
2992 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
2994 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
2997 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
2999 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
3000 block_stack before dereferencing it.
3002 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
3004 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
3006 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3008 * cplus-dem.c: Add 'extern' to prepends_underscore.
3010 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
3012 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
3013 (get_issue_rate): Delete.
3014 * pa.h (ISSUE_RATE): Define.
3016 * configure.in: Turn on haifa by default for the PA.
3017 * configure: Rebuilt.
3018 * pa.c (override_options): Accept -mschedule=7200 option.
3019 (pa_adjust_cost): No longer need to scale costs for newer
3021 * pa.h (enum processor_type): Add PROCESSOR_7200.
3022 * pa.md: Revamp scheduling parameters to work better with
3023 haifa. Add scheduling parameters for the 7200.
3025 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
3027 (schedule_block): When adjusting basic_block_{head,end}, account
3028 for movement of SCHED_GROUP_P insns too.
3030 * haifa-sched.c (debug_dependencies): Fix thinko.
3032 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
3033 (site.exp, check, check-g++, check-gcc): New targets.
3035 * haifa-sched.c: Make lots of variables static.
3037 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3039 * expr.h, real.h: Finish prototyping.
3041 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
3043 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
3044 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
3045 * reload1.c: Undo bugfix from Aug 11.
3047 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
3049 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
3050 quotes around the name.
3051 * configure: Regenerate.
3053 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
3055 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
3057 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
3059 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
3060 to sub-makes to avoid building more passes than the user might have
3061 requested on the command line.
3063 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
3065 * configure.in: Expurgate `broken_install' (install is
3068 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
3071 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
3073 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
3074 functions and declarations.
3075 (analyze_loop_iterations): Use condjump_p.
3076 (insert_bct): Likewise. Use exact_log2.
3078 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
3080 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
3081 (schedule_region): Likewise.
3082 (schedule_insns): Likewise.
3084 * PROJECTS: Update with Haifa stuff.
3086 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
3088 * version.c: Change the version string to look like:
3089 egcs-2.90.00 970814 (gcc2-970802 experimental).
3091 * loop.c (is_conditional_branch): Make definition match declaration.
3093 * gcc.c: Take out experimental snapshot warning message.
3095 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
3097 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
3098 print out the names of the notes. Print out the name of the insn
3099 that is not a note, and not an {,CALL_,JUMP_}INSN.
3101 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3103 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3104 again for the slot after we give it RTL.
3106 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
3108 * configure.in (haifa configury): Fix typo.
3109 * configure: Regenerate.
3111 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
3113 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
3115 * gcc.info*: Rebuilt.
3117 * COPYING.g77, README.g77: New files.
3118 * real.c (ereal_unto_float, ereal_unto_double): New functions.
3119 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
3120 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
3122 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
3124 * Integrate Haifa instruction scheduler.
3125 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
3126 to sched with $(SCHED_CFLAGS.
3127 * configure.in: Handle --enable-haifa.
3128 * configure: Rebuilt.
3129 * flags.h: Add new flags for haifa instruction scheduler.
3130 * genattrtab.c (expand_units): For haifa, don't subtract one
3131 when computing blockage.
3132 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
3133 (flag_schedule_speculative): Ditto.
3134 (flag_schedule_speculative_load): Ditto.
3135 (flag_schedule_speculative_load_dangerous): Ditto.
3136 (flag_schedule_reverse_before_reload): Ditto.
3137 (flag_schedule_reverse_after_reload): Ditto.
3138 (flag_branch_on_count_reg): Ditto.
3139 (f_options): Add Haifa switches.
3140 (main): Turn off some Haifa options if appropriate macro is
3141 defined. Process Haifa switches.
3142 * unroll.c (iteration_info): No longer static, since Haifa
3144 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
3145 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
3146 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
3147 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
3148 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
3149 storage for the Haifa scheduler.
3150 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
3152 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
3153 are defined, call analyze_loop_iterations and insert_bct to use
3155 (record_giv): Refine test for jumps out of loops if HAIFA is
3157 (analyze_loop_iterations): New function to identify if we can use
3159 (insert_bct): Insert countdown loop.
3160 (instrument_loop_bct): Low level code to insert countdown loop.
3161 (loop_number): Calculate UID of loop.
3162 (indirect_jump_in_function_p): Return true if an indirect jump is
3164 (is_power_of_2): Return true if value is a power of 2.
3165 (is_conditional_branch): Return true if insn is a conditional
3167 (fix_bct_param): Process -fbct-{min,max}-N switches.
3168 (check_bct_param): Return true if loop should be instrumented.
3169 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
3170 (loop_optimize): Initialize.
3171 (get_condition_for_loop): Ditto.
3172 * loop.c (strength_reduce): Inside of code that uses #ifdef
3173 HAVE_decrement_and_branch_on_count code, test it to make sure the
3175 (instrument_loop_bct): Ditto.
3176 * haifa-sched.c: New file.
3179 * Integrate regmove pass.
3180 * Makefile.in (OBJS): Add regmove.o
3181 (regmove.o): Add dependencies.
3182 * flow.c (find_use_as_address): No longer static.
3183 * rtl.h (find_use_as_address): Declare.
3184 * toplev.c (regmove_dump, flag_regmove): Define.
3185 (f_options): Add -fregmove.
3186 (regmove_dump_file, regmove_time): Define.
3187 (fatal_insn): Close the regmove dump file.
3188 (compile_file): Initialize regmove_time; open/close the regmove dump
3189 file as needed. Print regmove time as needed.
3190 (rest_of_compilation): Run regmove pass if requested, dump
3191 RTL after regmove if requested.
3192 (main): If -O2 or more, turn on regmove. Handle dump switches.
3193 * regmove.c: New file.
3195 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
3197 * Integrate tlink patch from jason@cygnus.com
3198 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
3199 (process_command): Increment n_switches for them. Don't discard
3200 their args. Validate them.
3201 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
3203 (process_command): Set include_prefixes from COMPILER_PATH.
3204 (main): Set COLLECT_GCC_OPTIONS sooner.
3205 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
3206 * tlink.c, hash.c, hash.h: New files.
3207 * Makefile.in (USE_COLLECT2): Always use collect2.
3208 (collect2): Depend on and link in hash.o and tlink.o.
3209 (tlink.o, hash.o): Add dependencies.
3211 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
3213 * Integrate alias analysis changes from jfc@mit.edu
3214 * Makefile.in (OBJS): Add alias.o
3215 (alias.o): Add dependencies.
3216 * alias.c: New file.
3217 * sched.c: Remove alias analysis code. It lives in alias.c now.
3218 (sched_analyze_2): Add new arguments to true_dependence.
3219 (schedule_insns): Always call init_alias_analysis.
3220 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
3221 mark return value from such functions as a pointer and keep track of
3222 them for alias analysis. If a return value from a function is a
3223 pointer, mark it as such.
3224 * combine.c (distribute_notes): Handle REG_NOALIAS.
3225 * cse.c (struct write_data): Delete. No longer needed.
3226 (invalidate): Don't call set_nonvarying_address_components anymore.
3227 Use true_dependence to decide if an entry should be removed from
3229 (invalidate_memory): Remove WRITES argument, simplify appropriately.
3231 (note_mem_written): Similarly for WRITE_PTR argument.
3232 (invalidate_from_clobbers): Similarly for W argument.
3233 (invalidate_for_call): Remove memory elements from the hash table.
3234 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
3235 (cse_rtx_varies_p): New function. Derived from old
3236 cse_rtx_addr_varies_p.
3237 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
3238 Don't call note_mem_written anymore. Stack pushes invalidate the stack
3239 pointer if PUSH_ROUNDING is defined. No longer need to call
3240 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
3241 (skipped_writes_memory): Remove variable.
3242 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
3243 (invalidate_skipped_block): Simplify for new alias analysis code.
3244 (cse_set_around_loop): Likewise.
3245 (cse_main): Call init_alias_analysis.
3246 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
3247 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
3248 (f_options): Add new alias checking arguments.
3249 (main): Set flag_alias_check when optimizing.
3250 * local_alloc (validate_equiv_mem_from_store): Add new arguments
3252 (memref_referenced_p): Likewise.
3253 * loop.c (NUM_STORES): Increase to 30.
3254 (prescan_loop): Only non-constant calls set unknown_address_altered.
3255 (invariant_p): Add new arguments to true_dependence.
3256 (record_giv): Initialize unrolled and shared fields.
3257 (emit_iv_add_mult): Call record_base_value as needed.
3258 * loop.h (struct induction): Add unrolled and shared fields.
3259 * unroll.c (unroll_loop): Call record_base_value as needed.
3260 (copy_loop_body): Likewise.
3261 (final_biv_value): Likewise.
3262 (final_giv_value): Likewise.
3263 (find_splittable_regs): Likewise. Only create one new pseudo
3264 if we have multiple address GIVs that were combined with the same
3265 dst_reg GIV. Note when a new register is created due to unrolling.
3266 * rtl.c (reg_note_name): Add REG_NOALIAS.
3267 * rtl.h (enum reg_note): Similarly.
3268 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
3269 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
3270 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
3271 (true_dependence, read_dependence, anti_dependence): Likewise.
3272 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
3273 (mark_user_reg, mark_reg_pointer): Likewise.
3276 * Integrate reload bugfix from Wilon which enables the PA port
3278 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
3279 OPERAND_ADDRESS when computing how many registers an insn needs.
3280 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
3282 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
3284 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
3285 in reload_reg_use_in_op_addr do not reach the end.
3286 do not reach the end.
3287 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
3288 RELOAD_FOR_OPERAND_ADDRESS.
3290 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
3292 * egcs project officially starts.