1 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
3 * toplev.c: Add -dM command line option to dump RTL after the
4 machine dependent reorganisation pass, if there is one.
5 Reorganise RTL dump code, so that only one file handle is
8 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
10 * except.c (check_exception_handler_labels): Disable warning when
13 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
15 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
17 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
19 * c-decl.c (grokdeclarator): Get parameter tags from
20 last_function_parm_tags.
21 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
22 traversing the parameter types.
23 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
25 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
27 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
29 (get_shift_alg): Fix typo.
31 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
33 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
35 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
37 * toplev.c (get_run_time): Make sure each case gets its variables.
39 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
41 * configure.in (build_xm_file): Add auto-config.h if host=build.
42 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
43 (build_xm_file_list): Likewise.
46 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
48 * recog.c (validate_replace_rtx_1): Only perform substitutions
49 of arguments to commutative and comparison operators once.
51 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
53 * sparc.c (output_cbranch): Add default case in
56 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
57 (emit_delay_sequence): Eliminate unused parameter, all callers
59 (fill_simple_delay_slots): Likewise.
60 (fill_slots_from_thread): Likewise.
61 (fill_eager_delay_slots): Likewise.
62 (mark_referenced_resources): Add default case in enumeration switch.
63 (mark_set_resources): Likewise.
64 (rare_destination): Likewise.
65 (mostly_true_jump): Likewise.
66 (find_dead_or_set_registers): Likewise.
67 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
68 (update_reg_unused_notes): Remove unused variable `p'.
69 (mark_target_live_regs): Remove unused variables `next' and
71 (fill_simple_delay_slots): Remove unused variable `j'.
72 (fill_slots_from_thread): Add parentheses around assignment used
74 (dbr_schedule): Likewise.
76 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
77 (objc.stage2, objc.stage3, objc.stage4): Likewise.
79 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
81 * cse.c (simplify_ternary_operation): Don't try to simplify
82 IF_THEN_ELSE expressions (created by combine) that don't use
85 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
87 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
90 * crtstuff.c (init_dummy): Keep the epilogue in the init
91 section for non-ELF systems.
93 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
95 * sh.md (movqi_i+1): New peephole.
97 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
99 * Makefile.in: Remove remaining bytecode stuff.
100 * emit-rtl.c, expr.c: Likewise.
102 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
104 * toplev.c (lang_options): Add unknown-pragma options.
106 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
108 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
109 special (and incomplete) handling for Chill arrays.
111 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
113 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
116 Fri Jan 23 00:19:36 1998 Gavin Kock (gavin@cygnus.com)
118 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
120 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
122 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
123 .frame directive instead of FRAME_POINTER_REGNUM.
125 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
127 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
128 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
129 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
130 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
131 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
132 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
133 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
134 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
136 * longlong.h: Replace __mc68332__ with __mcpu32__.
138 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
140 * version.c: Bump for snapshot.
142 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
144 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
145 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
146 * reload1.c (eliminate_regs): Likewise.
148 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
150 * regmove.c (find_matches): Initialize matches->earlyclobber too.
152 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
154 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
155 (negsf2, negdf2): Use proper subtract in IEEE mode.
157 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
159 * Makefile.in: Remove more bytecode stuff.
160 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
161 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
162 * f/install.texi, objc/Make-lang.in: Likewise.
164 * Makefile.in: Remove all bytecode support.
165 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
166 * emit-rtl.c: Remove all bytecode support.
167 * expr.c, expr.h function.c, integrate.c: Likewise.
168 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
169 * tree.h, varasm.c: Likewise.
170 * config/m68k/m68k.h: Likewise.
171 * bi-*, bc-*, bytecode*: Delete bytecode related files.
172 * modemap.def: Likewise.
174 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
176 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
177 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
179 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
181 * i386.md (push): Prohibit symbolic constants if flag_pic.
182 (movsi+1): Likewise for move to non-register.
184 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
186 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
187 (print_operand): Handle 0xffffffff on 32 bit host.
189 * configure.in (thread_file): Rename uses before main loop to
190 target_thread_file. Initialize to empty in main loop. Set thread_file
191 to target_thread_file after main loop if not set.
192 * configure: Rebuild.
194 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
195 (add_values_to_cover): Revert last change (which had no ChangeLog
197 (simplify_with_current_value_aux): Handle CONST_INT.
199 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
201 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
203 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
205 * configure.in: Add cpp stringify test.
206 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
207 * gengenrtl.c: Use it.
208 * configure, config.in: Rebuild.
210 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
212 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
214 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
216 * configure.in: Find declaration for sbrk.
217 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
218 * config.in, configure: Rebuild.
219 * mips-tfile.c: Properly protect declaration of sbrk and free.
220 * toplev.c: Properly protect declaration of sbrk.
222 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
224 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
226 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
228 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
230 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
232 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
234 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
236 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
237 constant offset computations from objects with known alignment in
238 the presence of STACK_BIAS.
240 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
242 (const_hash): Hash val is unsigned long.
245 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
247 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
248 char pointer, not HOST_WIDE_INT.
249 (print_node): Likewise. Also hash is unsigned long not
252 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
254 * explow.c (optimize_save_area_alloca): New function for targets
255 where SETJMP_VIA_SAVE_AREA is true.
256 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
257 compute the amount of stack space needed should we find later that
258 setjmp is never called by this function, stuff rtl for this inside
259 a REG_NOTE of the final SET of stack_pointer_rtx.
260 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
261 current_function_calls_alloca, call optimize_save_area_alloca.
263 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
265 * i386.md: Remove redundant integer push patterns.
266 Don't bother checking for TARGET_PUSH_MEMORY when
267 pushing constants or registers.
269 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
270 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
272 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
273 (pwait): New function for mingw32.
275 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
276 pipe support is broken for now.
278 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
280 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
281 between frame_pointer_rtx, hard_frame_pointer_rtx, and
282 arg_pointer_rtx is respected in initialization.
283 (init_emit_once): Use gen_rtx_raw_REG() to create
284 return_address_pointer_rtx.
286 * reorg.c: #include "expr.h" for rtx prototypes.
287 * Makefile.in (reorg.o): Depend on expr.h
289 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
291 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
292 local_prefix to sub-make invocations.
294 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
296 * objc-parse.c: Recognize protocol qualifiers in class definitions.
298 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
302 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
303 * configure.in: Check for atol.
304 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
306 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
308 * loop.c (find_and_verify_loops): When attempting to move insns from
309 inside the loop outside the loop, create a BARRIER if no suitable
312 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
313 favor of an equivalent change from gcc-2.8.
315 * i386/x-sco5 (CC): Remove trailing whitespace.
317 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
319 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
320 (accessor_from_format): Likewise.
321 (xmalloc): New function for use when linking with alloca.o.
323 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
325 * frame.c (find_fde): Correct FDE's upper bound.
327 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
329 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
331 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
333 * calls.c (expand_call): Move #ifdef code out of macro argument
335 (emit_library_call, emit_library_call_value): Likewise.
337 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
339 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
341 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
343 * version.c: Bump for snapshot.
345 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
347 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
348 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
349 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
350 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
351 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
352 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
353 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
354 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
355 * unroll.c, varasm.c: Likewise.
356 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
358 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
360 * mips.h: Fix some type-o's from a previous change.
362 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
364 * loop.c (check_dbra_loop): Make sure initial value is a
365 CONST_INT before trying to normalize it.
367 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
369 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
371 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
373 * cppexp.c: Include gansidecl.h
375 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
377 * svr4.h (LINK_SPEC): Never specify -h.
378 * ptx4.h (LINK_SPEC): Likewise.
379 * rs6000/sysv4.h (LINK_SPEC): Likewise.
380 * sparc/sol2.h (LINK_SPEC): Likewise.
382 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
384 * c-typeck.c (comptypes): Exit early on NULL input.
386 * haifa-sched.c (schedule_insns): Correctly remove inter-block
387 dependencies after reload.
389 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
391 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
393 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
395 * alpha/vms.h (DIR_SEPARATOR): define
397 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
399 * Makefile.in (stamp-proto): Remove.
400 (protoize.o, unprotoize.o): Straightforward compile.
401 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
403 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
405 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
406 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
408 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
410 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
411 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
412 * sparc/netbsd.h, vax/netbsd.h: Likewise.
414 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
416 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
418 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
420 * configure.in (target_cpu_default, target_cpu_default2): Use double
421 quotes around them when testing their value.
422 * configure: Rebuilt.
424 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
426 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
428 (gendef): Call obstack_alloc_rtx.
430 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
432 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
435 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
437 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
438 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
439 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
441 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
443 * mips.md (return_internal): Change mode from SImode to VOIDmode.
445 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
447 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
450 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
452 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
453 suffix from operand 3.
455 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
456 Jeffrey A Law (law@cygnus.com)
458 * regmove.c: New implementation of regmove pass.
459 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
460 decls, make them have external linkage. Return a value from
462 * reload.h (count_occurrences): Add decl.
463 * reload1.c (count_occurrences): Delete decl, make it have external
465 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
467 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
469 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
470 if it is not defined.
472 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
474 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
475 * emit-rtl.c (gen_rtx): Move special code to ...
476 (gen_rtx_CONST_INT): New function.
477 (gen_rtx_REG): New function.
478 (*): Update all calls to gen_rtx.
479 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
480 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
481 (GEN_INT): Call gen_rtx_CONST_INT.
482 * gengenrtl.c: New file.
484 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
486 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
487 (base_alias_check): If no base found for address call canon_rtx and
490 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
492 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
493 arguments for mips16.
494 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
495 Don't lose if tsize is zero after handling large stack for mips16.
496 * mips.md (return): For trivial return, return address is in $31.
498 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
500 * mips/mips16.S: Various changes to make it work with -msingle-float
503 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
504 Ian Lance Taylor <ian@cygnus.com>
505 Jeff Law <law@cygnus.com>
507 * mips.c, mips.h, mips.md: First cut at merging in mips16
508 support. Major modifications throughout all three files.
510 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
512 * configure.in: Make gthr-default.h a forwarding header instead of
515 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
517 * gcov-io.h: Include sys/types.h to ensure we get size_t.
519 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
521 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
522 Jeffrey A Law (law@cygnus.com)
524 * crtstuff.c (__frame_dummy): New function for irix6.
525 (__do_global_ctors): Call __frame_dummy for irix6.
526 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
528 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
530 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
532 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
534 * c-decl.c (init_decl_processing): Provide proper fallback symbol
535 for __builtin_memset.
536 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
537 not INTEGER_CST. Assert arg 3 is a constant.
539 * alpha.c (mode_width_operand): Accept 64-bit modes.
540 (mode_mask_operand): Likewise.
541 (print_operand): Likewise for 'M' and 'U' codes.
542 (alpha_expand_unaligned_load): New function.
543 (alpha_expand_unaligned_store): Likewise.
544 (alpha_expand_unaligned_load_words): Likewise.
545 (alpha_expand_unaligned_store_words): Likewise.
546 (alpha_expand_block_move): Likewise.
547 (alpha_expand_block_clear): Likewise.
548 * alpha.h (MOVE_RATIO): New define.
549 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
550 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
552 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
553 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
555 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
557 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
560 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
562 * emit-rtl.c (operand_subword): Correctly handle extracting a word
563 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
565 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
568 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
570 * configure.in: Set and subsitute host_exeext. Use it when creating
571 the assembler and linker symlinks.
572 * configure: Rebuild.
573 * Makefile.in (exeext): Set to @host_exeext@.
574 (build_exeext): New variable, set to @build_exeext@.
575 (FLAGS_TO_PASS): Pass down build_exeext.
576 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
579 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
581 * mn10200.md (addsi3, subsi3): Fix thinkos.
583 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
585 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
586 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
587 unix always, since we want to be able to thunk to functions in a
588 shared library from an application.
590 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
592 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
593 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
595 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
597 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
598 offset's mode is not ptr_mode, convert it.
600 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
602 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
603 compiling if it was already defined.
605 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
607 * flow.c (find_basic_blocks): Don't create a new basic block
608 for calls in a LIBCALL block.
610 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
612 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
614 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
616 * cse.c (rtx_cost): Remove conflicting default case.
618 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
620 * configure.in: Move default enabling of Haifa out of for loop.
621 * configure: Rebuild.
623 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
625 * version.c: Bump for snapshot.
627 1997-12-25 Teemu Torma <tot@trema.com>
629 * Makefile.in (GTHREAD_FLAGS): New var.
630 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
631 (distclean): Remove gthr-default.h.
633 * configure.in: Accept dce as a thread package.
634 Check for thread.h and pthread.h.
635 Link gthr-default.h to appropriate thread file and set
637 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
638 include multilib definitions from pa/t-dce-thr.
639 (sparc-*-solaris2*): Enable threads by default, if thread.h or
640 pthread.h is found, preferring posix threads over solaris ones.
642 * config/pa/t-dce-thr: New file.
643 * config/pa/t-pa: Removed multilibs.
644 * config/sparc/t-sol2: Ditto.
647 * gthr-single.h: New file.
648 * gthr-posix.h: New file.
649 * gthr-solaris.h: New file.
650 * gthr-dce.h: New file.
651 * libgcc-thr.h: Removed.
652 * objc/thr-dce.c: New file copied from thr-decosf1.c.
654 * frame.c: Include gthr.h instead of libgcc-thr.h.
655 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
656 (eh_context_initialize): If __gthread_once fails, use static eh
658 (eh_context_free): Call __gthread_key_dtor.
660 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
662 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
664 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
666 * cse.c (max_insn_uid): New variable.
667 (cse_around_loop): Use max_insn_uid.
668 (cse_main): Set max_insn_uid.
670 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
671 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
672 -mlong64, and -mgp{32,64} options.
673 * mips.c (mips_abi): Change type to int.
674 * mips.h (enum mips_abi_type): Delete.
675 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
676 (mips_abi): Change type to int.
678 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
680 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
681 optimization is now always enabled.
683 * calls.c (expand_call): Recognize C++ operator new as malloc-like
686 * alias.c (memrefs_conflict_p): Eliminate tests now done by
688 (*_dependence): Call canon_rtx before base_alias_check.
689 (init_alias_once): New function to precompute set of registers which
690 can hold Pmode function arguments.
692 * rtl.h: Declare init_alias_once.
694 * toplev.c (compile_file): Call init_alias_once.
696 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
698 * tree.c (restore_tree_status): Do not dereference a null pointer.
700 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
702 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
703 RLIMIT_STACK. This maintains consistency with the recent, similar
704 patch to cccp.c and toplev.c.
706 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
708 * genattrtab.c (expand_units): For large nr opclasses, expand
709 function_units_used with ORX to prevent blowups. Tag with FFS.
710 (num_unit_opclasses): New variable.
711 (gen_unit): Update it.
712 (enum operator): Add ORX_OP.
713 (operate_exp): Treat ORX as or, except don't expand across an if.
714 Reuse number rtx's after operating on them.
715 (check_attr_value): Accept IOR, AND, & FFS.
716 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
717 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
718 (write_expr_attr_cache, write_toplevel_expr): New functions.
719 (write_attr_get): Handle FFS-tagged expressions.
720 (make_canonical): Don't expand const attributes.
721 (convert_const_symbol_ref): Dike out.
722 (evaluate_eq_attr): Handle SYMBOL_REF.
723 (main): Don't emit get_attr_foo for const attributes.
725 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
726 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
727 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
728 * alpha.md: Redo all of the scheduling, adding EV6 support, and
729 combining function units where possible.
730 (attr "type"): Split loads, stores, cmov into int/fp. Combine
731 multiplies and divides. Add EV6 sqrt, ftoi, itof.
732 (attr "opsize"): New attribute.
733 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
734 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
735 to control register allocation.
736 (movsi2-1, movdi2-1): Likewise.
738 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
740 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
741 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
742 Move OSF/1 specific defines out.
743 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
744 Move Linux specific defines out.
745 (LINK_SPEC): Genericize.
746 (ASM_FILE_START): Emit .arch if using more than the base insn set.
747 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
748 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
749 (HANDLE_SYSV_PRAGMA): Define.
750 * alpha/osf.h: New file.
751 * alpha/linux.h: Split. Retain file-format independant defines.
752 Import Linux bits from elf.h.
753 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
754 (FUNCTION_PROFILER): _mcount takes its address in $28.
755 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
756 * alpha/linux-ecoff.h: New file.
757 * alpha/linux-elf.h: New file.
758 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
759 * alpha/win-nt.h (TARGET_DEFAULT): Define.
760 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
761 Add new headers as appropriate.
763 * configure.in (alpha*): Enable Haifa by default.
764 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
765 * configure: Rebuild.
767 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
769 * Makefile.in (clean): Remove the stages with their objects here ...
770 (distclean): ... instead of here.
772 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
774 * cse.c (rtx_cost): Add default case in enumeration switch.
775 * fix-header.c (recognized_macro): Likewise.
776 (recognized_extern): Likewise.
777 (write_rbrac): Likewise.
778 * objc/objc-act.c (encode_aggregate): Likewise.
779 (gen_declarator): Likewise.
780 (gen_declspecs): Likewise.
782 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
784 * haifa-sched.c (create_reg_dead_note): Detect and handle another
785 case where we kill more regs after sched than were killed before
787 * sched.c (create_reg_dead_note): Similarly.
789 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
791 * c-pragma.c: Include flags.h.
793 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
795 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
796 about system headers.
797 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
798 and also to resolve symbols in prefix.c.
800 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
801 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
802 when the definitions in auto-config.h is not visible.
803 (HAVE_BZERO): Likewise.
804 (HAVE_BCMP): Likewise.
805 (HAVE_RINDEX): Likewise.
806 (HAVE_INDEX): Likewise.
808 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
810 * pa.c (emit_move_sequence): Handle a function label source
813 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
815 * c-pragma.c (handle_pragma_token): Generate warning messages
816 about unknown pragmas if warn_unknown_pragmas is set.
818 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
819 line option to set variable: warn_unknown_pragmas.
821 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
823 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
825 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
827 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
829 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
830 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
831 generate more fine grained floating point emulation libraries.
832 * config/fp-bit.c: Add protecting #ifdef to all functions so
833 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
834 then compile all suitable functions.
835 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
836 underscores to avoid namespace pollution.
837 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
839 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
843 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
844 Jeff Law <law@cygnus.com>
846 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
848 * c-decl.c (finish_decl): Use parentheses around && within ||.
849 * rtl.c: Include stdlib.h.
850 (read_skip_spaces): Add parentheses around assignments used as
852 (read_rtx): Initialize list_rtx.
853 * cppexp.c (parse_number): Use || when operands are truth values.
854 * alias.c (find_base_value): Add default case.
855 (memrefs_conflict): Likewise.
856 * combine.c (sets_function_arg_p): Likewise.
857 * genemit.c (gen_exp): Likewise.
858 * local-alloc.c (contains_replace_regs): Likewise.
859 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
860 * fold-const.c (fold_convert): Use "&&" for truth values.
861 (fold): Add default case.
862 * sdbout.c (sdbout_field_types): Fix typo in declaration.
863 (sdbout_one_type): Add default case.
864 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
865 (some_operand): Add default case.
866 (input_operand): Likewise.
867 (signed_comparison_operator): Likewise.
868 (divmod_operator): Likewise.
869 (alpha_set_memflags_1): Likewise.
870 * reload1.c (reload_cse_simplify_operands): Ensure function
871 always returns a value.
872 * scan-decls.c (scan_decls): Likewise.
873 * c-lex.c (skip_white_space): Fix typo in declaraion.
874 * c-typeck.c (comp_target_types): Add parentheses around assignment
876 (print_spelling): Likewise.
877 (constructor_implicit, constructor_result): Remove unused variables.
878 * collect2.c (scan_library): Protect prototype with
879 #ifdef SCAN_LIBRARIES.
880 * emit-rtl.c (find_line_note): Fix typo in declaration.
881 * final.c (asm_insn_count): Protect prototype with
882 #ifdef HAVE_ATTR_length.
883 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
884 (try_pre_increment_1, try_pre_increment): Likewise.
885 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
886 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
887 * gcov-io.h (__store_long, __write_long, __read_long): Fix
888 unsigned/signed comparisons.
889 * gcov.c (read_files): Remove unused "first_type" variable.
890 (scan _for_source_files): Initialize s_ptr.
891 (function_summary): Eliminate "%lf" formatting, use %ld for
893 (output_data): Initialize branch_probs and last_line_num.
894 Eliminate "%lf" formatting, use "%ld" for longs.
896 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
898 * mips16.S: New file.
900 * libgcc2.c (varargs): Handle mips16.
902 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
904 * stmt.c (expand_end_case): Likewise.
905 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
906 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
907 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
909 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
911 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
913 (libobjc.a): Update dependency list.
914 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
916 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
917 (objc.mostlyclean): Remove runtime-info.h.
919 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
921 * tree.c (build_range_type): Allow creation of ranges with no maximum.
922 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
923 * dwarf2out.c (add_subscript_info): Likewise.
924 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
925 * sdbout.c (plain_type_1): Likewise.
926 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
928 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
931 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
933 * mips.c (fatal): Remove declaration.
935 1997-12-18 Mark Mitchell <mmitchell@usa.net>
937 * integrate.c (get_label_from_map): New function.
938 (expand_inline_function): Use it. Initialize the label_map to
939 NULL_RTX instead of gen_label_rtx.
940 (copy_rtx_and_substitute): Use get_label_from_map.
941 * integrate.h (get_label_from_map): New function.
942 (set_label_from_map): New macro.
943 * unroll.c (unroll_loop): Use them.
944 (copy_loop_body): Ditto.
946 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
948 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
949 (INIT_TARGET_OPTABS): Define.
950 * mips/ecoff.h: Include gofast.h before mips.h.
951 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
952 * mips/elf64.h: Likewise.
953 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
955 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
957 * except.c: Remove register_exception_table{,_p}.
959 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
961 * unroll.c (calculate_giv_inc): Handle constant increment found in
962 a MEM with an appropriate REG_EQUAL note.
964 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
966 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
967 frame pointer in the prologue.
969 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
971 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
972 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
974 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
976 * config/m68k/m68k.c (output_function_prologue): Typecast
977 dwarf2out_cfi_label to (char *).
978 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
980 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
982 * sparc.md (jump): Don't use the annul bit around an empty loop.
983 Patch from Kevin.Kelly@East.Sun.COM.
985 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
987 * jump.c: (jump_optimize): Don't use the return register as a
988 source1 of a conditional move.
990 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
992 * sparc.c (DF_MODES): Or the mask not the bit number.
993 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
995 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
997 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
999 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
1001 * fixincludes (size_t): Add support for Motorola's stdlib.h
1002 which fails to provide a definition for size_t.
1003 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
1004 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
1005 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
1007 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
1008 prevent unresolved externals in libio.
1009 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
1011 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
1013 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
1014 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
1015 (LIB_SPEC): Updated for glibc 2.
1017 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
1019 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
1020 * ginclude/varargs.h: Likewise.
1022 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
1024 * version.c: Bump for snapshot.
1026 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
1028 * frame.h (__register_frame, __register_frame_table,
1029 __deregister_frame): New.
1030 * frame.c (__register_frame, __register_frame_table,
1031 __deregister_frame): New.
1032 * frame.c (__deregister_frame_info): Return void *.
1033 * frame.h (__deregister_frame_info): Ditto.
1034 * collect2.c (__deregister_frame_info): Ditto.
1036 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
1038 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
1040 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
1042 * alpha.c (alpha_cpu_name): New variable.
1043 (alpha_mlat_string): Likewise.
1044 (alpha_memory_latency): Likewise.
1045 (override_options): Handle -mmemory-latency.
1046 (alpha_adjust_cost): Adjust load cost for latency.
1047 * alpha.h (TARGET_OPTIONS): Add meory-latency.
1048 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
1049 TARGET_CIX into account.
1050 (MEMORY_MOVE_COST): Define in terms of memory_latency.
1051 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
1053 * alpha.h (ASM_COMMENT_START): New macro.
1055 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
1057 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
1058 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
1060 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1061 SUBREG_REG if the word count is unchanged.
1062 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
1063 subregs of identical word size for push_reload.
1065 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
1067 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
1068 if all we're doing is dealing with -Wreturn-type.
1070 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
1072 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
1073 Use and 255 instead of zapnot 1, since it schedules better.
1075 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
1077 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
1080 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
1082 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
1083 dependency we delete. Properly update prev for multiple consecutive
1085 (priority): Skip deleted dependence.
1087 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
1089 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
1091 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1093 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
1094 determining when a new basic block starts.
1096 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
1098 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
1099 * pa.md (iorsi3): Add missing args to *_operand calls.
1101 * except.c (call_get_eh_context): Don't mess with sequences.
1102 (emit_eh_context): Include the call in the sequence here.
1104 1997-12-11 Paul Eggert <eggert@twinsun.com>
1106 * collect2.c (write_c_file_glob): Allocate initial frame object
1107 in static storage and pass its address.
1109 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1111 * except.c (call_get_eh_context): Don't take a parm.
1112 Put the call at the top of the function.
1113 (emit_eh_context): Adjust.
1114 (get_eh_context): Replace with former use_eh_context.
1115 (get_eh_context_once, get_saved_pc_ref): Remove.
1116 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
1118 * integrate.c (expand_inline_function): Adjust.
1119 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
1121 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
1123 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
1124 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
1126 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
1128 * fixincludes (strlen,strspn,strcspn return value): Handle different
1130 (hypot): Provide a fake for hypot which is broken on
1131 m88k-motorola-sysv3.
1133 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
1135 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
1136 tree_code_name from pointers to arrays.
1137 * tree.c: Remove standard_tree_code_* variables, no longer used.
1138 * print-tree.c: Remove declaration of tree_code_name.
1140 * cp/lex.c (init_lex): Update for tree_code_* changes.
1141 * objc/objc-act.c (init_objc): Likewise.
1143 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
1146 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
1148 * config.sub: Add support for BeOS target.
1149 * configure.in: Likewise.
1150 * ginclude/stdarg.h: Likewise.
1151 * ginclude/stddef.h: Likewise.
1152 * ginclude/varargs.h: Likewise.
1153 * rs6000/beos.h: New file for BeOS.
1154 * rs6000/t-beos: Likewise.
1155 * rs6000/x-beos: Likewise.
1156 * rs6000/xm-beos.h: Likewise.
1157 * toplev.c (get_run_time): Just return 0 on BeOS.
1159 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
1160 Toon Moene (toon@moene.indiv.nluug.nl)
1162 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
1163 old and broken Sun3 assemblers. Newer versions handle large
1164 offsets correctly as does the GNU assembler.
1166 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1168 * objc/objc-act.c (lang_report_error_function): Disable.
1169 * objc/objc-parse.y: Include "output.h".
1170 (yyerror): Remove redundant decl.
1171 (yyprint): Fix prototype.
1172 (apply_args_register_offset): Remove redundant decl.
1173 (get_file_function_name): Likewise.
1175 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
1177 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
1179 (find_basic_blocks_1): Likewise.
1181 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1183 * except.c (use_eh_context): Don't copy_rtx a REG.
1184 (emit_throw): Lose old unwinder support.
1185 (expand_internal_throw): Likewise.
1186 * libgcc2.c (struct eh_context): Likewise.
1187 (new_eh_context): Likewise.
1188 (__get_eh_info): Lose redundant cast.
1189 (__get_dynamic_handler_chain): Likewise.
1190 (__get_saved_pc): Lose.
1191 Lose all old unwinder support code.
1193 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
1195 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
1197 * integrate.c (expand_inline_function): If the inline fn uses eh
1198 context, make sure that the current fn has one.
1199 * toplev.c (rest_of_compilation): Call emit_eh_context.
1200 * except.c (use_eh_context): New fn.
1201 (get_eh_context_once): New fn.
1202 (call_get_eh_context): New fn.
1203 (emit_eh_context): New fn.
1204 (get_eh_context): Call either get_eh_context_once or
1205 call_get_eh_context, depending on what we have.
1206 (get_dynamic_handler_chain): Call get_eh_context_once.
1207 * except.h: Prototypes for fns above.
1208 * optabs.c (get_eh_context_libfunc): Removed.
1209 (init_optabs): Don't initialize it.
1210 * expr.h (get_eh_context_libfunc): Removed.
1211 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
1212 * config/pa/pa.h (CPP_SPEC): Support for -threads.
1213 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
1214 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
1215 New multilib for -threads.
1216 * config/sparc/t-sol2: Added multilibs for -threads and
1217 made -pthreads alias to it.
1218 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
1219 Added -threads and -pthreads options.
1220 * libgcc-thr.h: New file.
1221 * libgcc2.c: (__get_cpp_eh_context): Removed.
1222 (struct cpp_eh_context): Removed.
1223 (struct eh_context): Replaced cpp_eh_context with generic language
1225 (__get_eh_info): New function.
1226 (__throw): Check eh_context::info.
1228 * libgcc2.c: Include libgcc-thr.h.
1229 (new_eh_context, __get_eh_context,
1230 eh_pthread_initialize, eh_context_initialize, eh_context_static,
1231 eh_context_specific, eh_context_free): New functions.
1232 (get_eh_context, eh_context_key): New variables.
1233 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
1234 get_eh_context to get the context.
1235 (longjmp): Move the declaration inside
1236 #ifdef DONT_USE_BUILTIN_SETJMP.
1237 * frame.c: Include libgcc-thr.h.
1238 (object_mutex): Mutex to protect the object list.
1239 (find_fde, __register_frame, __register_frame_table,
1240 __deregister_frame): Hold the lock while accessing objects.
1241 * except.h (get_eh_context): Declare.
1242 * except.c (current_function_ehc): Define.
1243 (current_function_dhc, current_function_dcc): Removed.
1244 (get_eh_context): New function.
1245 (get_dynamic_handler_chain): Use get_eh_context.
1246 (get_saved_pc_ref): Ditto.
1247 (get_dynamic_cleanup_chain): Removed references to
1248 current_function_dcc.
1249 (save_eh_status, restore_eh_status): Save and restore
1250 current_function_ehc instead.
1251 * optabs.c (get_eh_context_libfunc): New variable.
1252 (init_optabs): Initialize it.
1253 * expr.h: Declare get_eh_context_libfunc.
1254 * function.h (struct function): Replaced dhc and dcc with ehc.
1255 * except.c (get_saved_pc_ref): New functions.
1256 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
1257 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
1259 (end_eh_unwinder): Likewise.
1260 (init_eh): Remove initialization of eh_saved_pc.
1261 * optabs.c (get_saved_pc_libfunc): New variable.
1262 (init_optabs): Initialize it.
1263 * expr.h: Declare get_saved_pc_libfunc.
1264 * except.h (eh_saved_pc_rtx): Deleted.
1265 (get_saved_pc_ref): Declared.
1267 From Scott Snyder <snyder@d0sgif.fnal.gov>:
1268 * libgcc2.c (__get_saved_pc): New.
1269 (__eh_type, __eh_pc): Deleted.
1270 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
1271 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
1274 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
1276 * sparc/sol2.h: Use 64 bit multiply and divide functions in
1277 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
1280 * rtl.h (global_rtl): New variable, replacing separate variables for
1282 (const_int_rtx): Now array of rtx_def, not rtx.
1283 * emit-rtl.c: Update for new rtl data structures.
1284 * genattrtab.c: Define global_rtl.
1286 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
1288 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
1291 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
1293 * crtstuff.c (__do_global_ctors): Fix typo.
1295 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
1297 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1298 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1300 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
1302 * rs6000.h (FUNCTION_ARG_PADDING): Define.
1303 * rs6000.c (function_arg_padding): New function.
1305 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
1307 * m68k.c: Include tree.h only once.
1309 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1311 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
1313 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
1315 * Partially cleaned up prototyping code from HJ.
1316 * tree.h: Add many prototypes.
1317 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
1318 All references changed.
1319 * rtl.h: Protect from multiple inclusions. Add many prototypes.
1321 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
1323 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
1324 string functions like strlen.
1326 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
1328 * configure.in: Check for functions getrlimit and setrlimit.
1329 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1330 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1332 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
1334 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
1336 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
1338 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
1341 * alpha.c (override_options): Don't know about scheduling for EV6.
1342 * alpha.md (ev5 function units): Don't overload as ev6.
1344 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
1345 * alpha.md (define_attr type): Add mvi.
1346 (ev5_e0): Define sceduling parameters for it.
1347 (TARGET_MAX insns): Type is mvi not shift.
1349 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
1351 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
1353 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1355 * cstamp-h, auto-config.h: Delete.
1357 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
1359 * version.c: Bump for snapshot.
1361 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
1363 * cccp.c: Fix typo brought over in merge.
1365 * Merge in changes from gcc-2.8.
1367 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
1369 * m68k.c: Include tree.h for dwarf2out_cfi_label.
1371 * gcc.c (process_command): Do not take address of function fatal when
1372 calling lang_specific_driver.
1374 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
1376 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
1377 doesn't work with it yet, so set it to 0.
1378 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
1380 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1382 * cse.c (cse_insn): Check for invalid entries when taking references.
1384 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1386 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
1387 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
1388 * toplev.c (rest_of_compilation): Pass it. Remove code to
1389 save / clear / restore flag_unroll_{,all_}loops.
1391 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1393 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
1395 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
1397 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
1399 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
1401 * except.c (get_dynamic_handler_chain): Only make the call once per
1404 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
1406 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1408 * sh.c (final_prescan_insn): Use local label prefix
1409 when emitting .uses pseudo-ops.
1411 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1413 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
1414 * except.c: Lose outer_context_label_stack.
1415 (expand_eh_region_end): Rethrow from outer_context here.
1416 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
1417 (expand_internal_throw): Take no args.
1418 (expand_internal_throw_indirect): Lose.
1419 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
1420 (expand_start_all_catch): Start a rethrow region.
1421 (expand_end_all_catch): End it.
1422 (expand_rethrow): New fn.
1423 * except.h: Reflect above changes.
1424 * flow.c: Revert change of Nov 27.
1426 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
1428 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
1430 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1432 * except.c (expand_fixup_region_end): New fn.
1433 (expand_fixup_region_start): Likewise.
1434 (expand_eh_region_start_tree): Store cleanup into finalization here.
1435 * stmt.c (expand_cleanups): Use them to protect fixups.
1437 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
1439 * mips/mips.md (muldi3_r4000): Broaden the output template
1440 and attribute assignments to handle three operand dmult;
1441 rename to muldi3_internal2.
1442 (muldi3): Call the new muldi3_internal2 for R4000, and
1443 any GENERATE_MULT3 chip.
1445 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1447 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
1449 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
1451 * unroll.c (find_splittable_givs): Remove last change. Handle givs
1452 with a dest_reg that was created by loop.
1454 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
1456 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
1458 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
1460 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
1462 * configure.in: Fix NCR entries.
1464 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
1466 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
1467 nested exceptions correctly.
1469 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
1470 that was created by loop.
1472 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1474 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
1476 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
1478 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
1480 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
1481 (print_operand): Use SMALL_DATA_REG for the register involved in
1482 small data relocations.
1483 (print_operand_address): Ditto.
1485 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
1486 -dynamic linker is not used.
1488 * rs6000.md (call insns): For local calls, use @local suffix under
1489 System V. Don't use @plt under Solaris.
1491 * rs6000.c (output_function_profiler): Put label address in r0, and
1492 store LR in 4(sp) for System V/eabi.
1494 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
1495 byte boundary, and maintain stack backchain.
1497 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1499 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1500 fix_truncsfdi2): Change *.
1502 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
1504 * toplev.c (main): Complain about -gdwarfn.
1506 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
1508 * dwarfout.c (output_type): If finalizing, write out nested types
1509 of types we've already written.
1511 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
1513 (patches originally from Geoffrey Keating)
1514 * rs6000.c (function_arg): Excess floating point arguments don't
1515 go into GPR registers after exhausting FP registers under the
1517 (function_arg_partial_nregs): Ditto.
1519 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
1522 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
1524 * integrate.c (output_inline_function): Just unset DECL_INLINE.
1526 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
1528 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
1531 * libgcc2.c (__throw): Initialize HANDLER.
1533 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1535 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1536 fix_truncsfdi2): Change *X to ?*X.
1538 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
1540 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
1542 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
1544 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
1546 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
1548 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
1550 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
1552 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
1553 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
1556 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
1558 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
1559 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
1560 gas and not using the new HP assembler.
1562 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
1564 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
1565 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
1567 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
1569 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
1570 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
1573 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1575 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
1577 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1579 * except.h: Add outer_context_label_stack.
1580 * except.c: Likewise.
1581 (expand_start_all_catch): Push the outer_context for the try block
1582 onto outer_context_label_stack.
1583 (expand_end_all_catch): Use it and pop it.
1585 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
1587 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
1589 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
1591 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
1593 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
1595 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
1596 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1598 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
1600 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
1601 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
1602 __builtin_delete, and __builtin_vec_delete.
1604 * except.c (output_exception_table): Don't bother with
1607 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
1609 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
1610 is an in/out operand.
1611 (zero extended variants of stwm/stwm patterns): Similarly.
1613 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
1615 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
1617 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
1619 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
1620 (output_call_frame_info): Emit a \n after using it.
1622 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
1624 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
1626 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
1628 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
1629 (ASM_OUTPUT_DWARF_VALUE4): New macro.
1630 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
1632 (output_call_frame_info): Do not output forward label differences
1633 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
1634 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
1636 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1638 * sh.md (attribute "type"): Add nil.
1639 (movsi_ie): y/y alternative is type nil.
1640 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
1642 (movsf_ie+1): Delete.
1644 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
1646 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
1647 large_int, emit two insns instead of one splitable insn.
1648 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
1649 from cfa_temp_value, use cfa_offset. Add assert checking that
1652 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
1654 * cccp.c (deps_output): Properly quote file names for make.
1656 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
1658 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
1660 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
1662 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
1664 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
1666 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
1668 (cse_end_of_basic_block): Similarly.
1670 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
1672 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
1673 (SELECT_RTX_SECTION): Define.
1674 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
1676 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
1678 * Makefile.in (compare, compare-lean): Define $stage for each
1680 (gnucompare, gnucompare-lean): Likewise.
1682 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
1684 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
1686 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
1687 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1689 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
1691 * dwarfout.c (byte_size_attribute): Add local var upper_bound
1692 and add case to handle STRING_TYPE.
1693 * dwarfout.c (output_string_type_die): Fix code to generate
1694 correct string length attribute for fixed length strings.
1695 Still needs support for varying length strings.
1697 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
1699 * toplev.c (get_run_time): Do something sensible for cygwin32.
1701 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
1703 * expr.c (expand_builtin_setjmp): Set
1704 current_function_has_nonlocal_label.
1705 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
1706 call-saved registers across calls.
1708 * alpha.md (exception_receiver): Remove.
1709 (nonlocal_goto_receiver_osf): New
1710 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
1711 (nonlocal_goto_receiver): New, select _osf or _vms.
1713 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
1714 keep them from being propogated to the object file.
1715 (alpha_write_linkage): Likewise.
1716 * alpha.md (call_vms): Likewise.
1717 (call_value_vms): Likewise.
1718 (unnamed osf call insns): Likewise.
1720 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
1721 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1723 * alpha.c (call_operand): Any reg is valid for WinNT.
1724 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
1725 (anon nt calls): Add 'R' alternative.
1726 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
1727 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
1729 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
1731 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
1733 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
1734 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1735 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1737 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
1739 * reload1.c (new_spill_reg): Improve fixed or forbidden register
1740 spill error message.
1742 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1744 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
1745 use varargs.h. Wrap header with <>, not "".
1747 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
1749 * integrate.c (save_for_inline_copying): Add return value from
1752 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
1754 * fixincludes: Be a little more restrictive on what we will
1755 substitute to replace definitions of MAXINT for HPUX.
1757 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
1759 * dbxout.c (dbxout_symbol_location): Don't assume that variables
1760 whose address is the stack or argument pointers are indirect
1763 1997-11-13 Paul Eggert <eggert@twinsun.com>
1765 * cccp.c, cpplib.c (compare_defs):
1766 Don't complain about arg name respellings unless pedantic.
1767 * cpplib.c (compare_defs): Accept pfile as new arg.
1768 All callers changed.
1770 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1772 * fold-const.c (fold_truthop): Fix bug in last change.
1774 1997-11-13 Paul Eggert <eggert@twinsun.com>
1776 Fix some confusion with IEEE minus zero.
1778 * real.h (REAL_VALUES_IDENTICAL): New macro.
1780 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
1781 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
1783 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
1784 same tree structure as 0.0.
1786 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
1787 macro instead of doing it by hand.
1789 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
1791 * v850/lib1funcs.asm: Minor whitespace changes.
1792 * v850.c: Fix minor formatting problems in many places.
1793 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
1795 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
1797 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
1798 xplus1 when xplus0 is not a register.
1800 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
1802 * flow.c (find_basic_blocks): During marking phase, if we encounter
1803 an insn with a REG_LABEL note, make the target block live and
1804 create an edge from the insn to the target block. Do not make
1805 edges from all blocks to the target block.
1807 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
1809 * confiugre.in: Tweak NCR entries.
1810 * configure: Rebuilt.
1812 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
1814 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
1815 pick apart floating point values, instead of using CONST_DOUBLE_LOW
1816 and CONST_DOUBLE_HIGH.
1818 * rs6000.md (define_splits for DF constants): Use the appropriate
1819 REAL_VALUE_* interface to pick apart DF floating point constants in
1820 a machine independent fashion.
1822 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1824 * fold-const.c (fold_truthop): When changing a one-bit comparison
1825 against zero into a comparison against mask, do a proper sign
1828 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
1830 * except.c: Do not include "assert.h".
1831 (save_eh_status): Turn asserts into conditional aborts.
1832 (restore_eh_status, scan_region): Likewise.
1833 * dwarfout.c: Do not include "assert.h".
1834 (bit_offset_attribute): Turn asserts into conditional aborts.
1835 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
1836 (output_inlined_structure_type_die): Likewise.
1837 (output_inlined_union_type_die): Likewise
1838 (output_tagged_type_instantiation): Likewise.
1839 (dwarfout_file_scope_decl): Likewise.
1840 * dwarf2out.c: Do not include "assert.h"
1841 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
1842 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
1843 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
1844 (add_bit_size_attribute, scope_die_for): Likewise.
1845 (output_pending_types_for_scope): Likewise.
1846 (get_inlined_enumeration_type_die): Likewise.
1847 (get_inlined_structure_type_die): Likewise.
1848 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
1849 (gen_tagged_type_instantiation_die): Likewise.
1851 * flow.c (find_basic_blocks): Refine further to get a more correct
1852 cfg, especially in the presense of exception handling, computed
1853 gotos, and other non-trivial cases. Call abort if an inaccuracy
1854 is detected in the cfg.
1856 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1858 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
1860 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
1861 (skip_white_space): Use whitespace_cr.
1862 (check_newline): Handle whitespace more consistently.
1864 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
1866 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
1867 * i386/xm-cygwin32.h (POSIX): Define.
1869 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
1871 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
1872 is available elsewhere.
1874 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
1876 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
1877 what the instruction can handle.
1879 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
1881 * stmt.c (expand_decl_cleanup_no_eh): New fn.
1883 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
1885 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
1887 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
1888 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
1890 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
1892 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
1893 swap instruction order.
1895 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
1897 * fixinc.svr4 (__STDC__): Add another case.
1899 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1901 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
1902 addresses in the epilogue delay slot.
1904 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
1906 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
1907 in generated `specs' file.
1909 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
1911 * flags.h (flag_rerun_loop_opt): Declare.
1912 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
1913 * toplev.c (flag_rerum_loop_opt): Delete static.
1915 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1917 Bring over from FSF:
1919 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1921 * va-sh.h (__va_arg_sh1): Define.
1923 SH3E doesn't use any integer registers for subsequent arguments
1924 once a non-float value was passed in the stack.
1925 * sh.c (machine_dependent_reorg): If optimizing, put explicit
1926 alignment in front label for ADDR_DIFF_VEC.
1927 * sh.h (PASS_IN_REG_P): Fix SH3E case.
1928 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
1930 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1932 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
1935 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1937 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
1938 put an use_sfunc_addr before each sfunc.
1939 * sh.md (use_sfunc_addr, dummy_jump): New insns.
1940 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
1942 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1944 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
1946 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
1948 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
1951 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
1953 * alias.c (find_base_value): Only return the known base value for
1956 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
1958 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
1959 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
1961 (prologue_get_pc_and_set_got): New pattern.
1963 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
1965 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
1966 for SUBREG, just fall through.
1968 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
1970 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
1972 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
1974 * fixincludes: Fix "hypot" prototype in NeXT math.h.
1976 * Makefile.in (USE_ALLOCA): Always include alloca.o.
1977 (USE_HOST_ALLOCA): Likewise.
1979 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
1980 and LABEL_REFS fields.
1981 * rtl.h (LABEL_REFS): Update.
1983 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
1985 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
1986 sets i2dest. When calling distribute_notes for i3dest_killed, pass
1987 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
1990 * mips.md (insv, extzv, extv): Add change_address call.
1991 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
1993 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
1995 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
1997 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
1998 save_restore_insns if no FP and GP will be restored.
2000 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
2001 Convert CCmode to word_mode before calling GET_MODE_SIZE.
2003 * acconfig.h (HAVE_INTTYPES_H): Undef.
2004 * configure.in (inttypes.h): Check for conflicts between sys/types.h
2005 and inttypes.h, and verify that intmax_t is defined.
2006 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
2007 * config/mips/x-iris3: Likewise.
2009 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
2011 * alias.c (find_base_value): When copying arguments, return the
2012 tenative value for a hard register.
2014 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
2016 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
2017 (yylex): Record wide strings using target endianness, not host.
2019 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
2021 * mn10200.h (ASM_OUTPUT_BSS): Delete.
2022 (ASM_OUTPUT_ALIGNED_BSS): New macro
2023 * mn10300.h (ASM_OUTPUT_BSS): Delete.
2024 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2025 * v850.h (ASM_OUTPUT_BSS): Delete.
2026 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2028 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2030 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
2032 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
2034 * configure.in (sco5): Use cpio to install header files.
2036 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
2038 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
2040 * configure: Rebuild.
2042 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
2044 * i386/sco5.h: enable -gstabs once again.
2046 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
2048 * arm.c (output_move_double): Allocate 3 entries in otherops array.
2050 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
2052 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
2053 notes for sjlj exceptions too.
2054 (expand_eh_region_end): Similarly for EH_REGION_END notes.
2055 (exception_optimize): Optimize EH regions for sjlj exceptions too.
2056 * final.c (final_scan_insn): Don't output labels for EH REGION
2057 notes if doing sjlj exceptions.
2059 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
2061 * alias.c (init_alias_analysis): Handle -fno-alias-check when
2062 optimizing correctly.
2064 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
2065 or set current_function_calls_setjmp anymore.
2067 * flow.c (find_basic_blocks): If we delete the label for an
2068 exception handler, remove it from the EH label list and remove
2069 the EH_BEGIN/EH_END notes for that EH region.
2071 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
2073 * flow.c (find_basic_blocks): Generate correct flow control
2074 information when exception handling notes are present.
2076 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
2078 * dwarf2out.c (output_call_frame_info): Fix length argument
2079 to ASM_OUTPUT_ASCII.
2080 (output_die, output_pubnames, output_line_info): Likewise.
2082 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
2084 * version.c: Bump for snapshot.
2086 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
2087 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
2088 flag_debug_asm is on.
2089 (output_die, output_pubnames, output_line_info): Likewise.
2091 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
2092 and static_chain_rtx into the potential base values array if
2095 * alias.c (new_reg_base_value): New array of potential base values.
2096 (unique_id): Now file scoped static.
2097 (find_base_value, case REG): Return the value in reg_base_value
2098 array for the REG if it exists. Else, return the value from
2099 new_reg_base_value if copying args and REG is a hard register.
2100 (find_base_value, case PLUS): If either operand of the PLUS is
2101 a REG, try to get its base value. Handle base + index and
2103 (record_set): Use new_reg_base_value instead of reg_base_value.
2104 (init_alias_analysis): Allocate space for new_reg_base_value too.
2105 Rework code to iterate over the insns propagating base value
2106 information until nothing changes.
2108 * global.c (global_alloc): Free the conflict matrix after
2109 reload has finished.
2111 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
2113 * libgcc2.c (L_eh): Define __eh_pc.
2114 Replace __eh_type with generic pointer __eh_info.
2116 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
2118 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
2119 use copy_to_reg if address is not a general_operand.
2121 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2123 * profile.c (output_func_start_profiler): Clear flag_inline_functions
2124 for the duration of the call to rest_of_compilation.
2126 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
2128 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
2130 (sparc*-*-*): Recognize --with-cpu=v9.
2131 * sparc/elf.h: New file.
2132 * sparc/t-elf: New file.
2134 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
2136 * mn10300.c (const_8bit_operand): New function.
2137 (mask_ok_for_mem_btst): New funtion.
2138 * mn10300.md (btst patterns with mem operands): Use new functions
2139 to avoid creating btst instructions with invalid operands.
2141 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
2143 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
2144 are running on PowerPC Linux.
2146 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
2148 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
2149 if not previously defined.
2151 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
2153 * function.c (assign_parms): Correct mode of stack_parm if
2154 entry_parm underwent a mode conversion.
2156 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
2158 * global.c (global_alloc): Use xmalloc instead of alloca for
2159 CONFLICTS, since max_allocno * allocno_row_words alone can be more
2160 than 2.5Mb sometimes.
2162 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
2164 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
2165 DEST for the spill, adjust mode of SRC to compensate.
2167 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
2169 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
2170 since any_memory_operand() allows pseudos during reload.
2171 (reload_inhi, reload_outqi, reload_outhi): Likewise.
2173 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
2175 * m68k.md (btst patterns): Add 5200 support.
2177 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2179 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
2180 optimizations, look inside dividend to determine if the expression
2181 can be simplified by using EXACT_DIV_EXPR.
2183 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
2186 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
2188 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
2190 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
2192 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
2194 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
2197 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
2199 * alpha.md (movqi, movhi): Make sure new insns created during reload
2200 won't need reloading themselves.
2201 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
2203 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
2205 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
2207 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
2209 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
2210 Patch from Klaus Kaempf <kkaempf@progis.de>.
2212 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
2214 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
2215 to an element in a constant string.
2217 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
2219 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
2220 bit PC-relative offset. The exception range table pointer is now in
2222 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
2223 (count_fdes, add_fdes, get_cie): Adjust.
2224 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
2227 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
2229 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
2231 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
2232 like stack_pointer_rtx.
2234 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
2236 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
2237 targets using "$@" to provide support for similar but not identical
2238 targets without having to duplicate code.
2239 (bootstrap4): New goal.
2241 * Makefile.in (compare, compare-lean, compare3): Combined to one
2242 ruleset determining actions to be performed via $@.
2243 (compare4, compare4-lean): New targets.
2244 (gnucompare, gnucompare3): Combined to one ruleset determining
2245 actions to be performed via $@. Also, note which files failed
2246 the comparison test in .bad_compare.
2247 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
2249 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2251 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
2252 if the dividend is a multiple of the divisor.
2254 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
2256 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
2258 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
2261 * alias.c (true_dependence): Fix typo.
2263 * toplev.c (flag_rerun_loop_opt): New variable.
2264 (f_options): Handle -frerun-loop-opt.
2265 (rest_of_compilation): If -frerun-loop-opt, then run the loop
2267 (main): Enable -frerun-loop-opt by default for -O2 or greater.
2269 * loop.c (simplify_giv_expr): Adding two invariants results
2272 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
2274 * expr.c (get_inner_reference): Remove the array bias after
2275 converting the index to Pmode.
2277 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
2279 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
2280 (TARGET_MULT_BUG): Define.
2281 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
2282 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
2284 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
2286 * mn10200.c (indirect_memory_operand): Delete unused function.
2287 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
2288 * mn10200.md (bset, bclr insns): Handle output in a reg too.
2290 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
2292 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
2293 the callee's ldgp, we must do it ourselves, and we use the jsr tag
2294 for more than scheduling.
2296 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
2298 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
2300 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
2302 * mn10300.c (symbolic_operand, legitimize_address): New functions.
2303 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
2304 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
2306 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
2308 * version.c: Bump for snapshot.
2310 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2312 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
2315 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
2317 * toplev.c (flag_exceptions): Default value is 2.
2318 (compile_file): If flag_exceptions still has the value 2, then
2321 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
2322 (rs6000_save_machine_status): Save pic_offset_table_rtx.
2323 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
2325 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
2328 * rs6000.md (*movsi_got_internal_mem): New pattern.
2329 (*movsi_got_internal_mem splitter): New define_split.
2331 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
2333 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
2335 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2337 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
2338 only need to save LR.
2340 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
2342 * mn10300.md (movqi, movhi): Avoid using address registers as
2343 destinations unless absolutely necessary.
2345 * mn10200.c (expand_prologue): Fix typo.
2347 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
2349 * mn10200.md (neghi2): Provide an alternative which works if
2350 the input and output register are the same.
2352 * mn10300.c (print_operand): Handle 'S'.
2353 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
2354 shift amount in last alternative
2356 * mn10300.c (expand_epilogue): Rework to handle register restores
2357 in "ret" and "retf" instructions correctly.
2359 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
2361 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
2362 extzv for memory operands.
2364 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
2365 redundant conditional moves to single operand.
2367 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
2369 * v850.h: Move define of __v850__ from CPP_PREDEFINES
2372 * xm-v850.h: Use __v850 rather than __v850__ to
2375 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
2377 * mips/mips.c (compute_frame_size): Not a leaf function if
2380 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2382 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
2384 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
2386 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
2387 (DEFAULT_ARCH32_P): New macro.
2388 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
2389 (enum cmodel): Declare.
2390 (sparc_cmodel_string,sparc_cmodel): Declare.
2391 (SPARC_DEFAULT_CMODEL): Provide default.
2392 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
2393 (TARGET_FULLANY): Deleted.
2394 (TARGET_CM_MEDMID): New macro.
2395 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
2396 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2397 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
2398 (CPP_SPEC): Rewrite.
2399 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2400 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
2401 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2402 (ASM_SPEC): Add %(asm_arch).
2403 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
2404 Rename asm_default to asm_cpu_default.
2405 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
2406 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
2407 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
2408 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
2409 (MASK_INT64,MASK_LONG64): Delete.
2410 (MASK_ARCH64): Renamed to MASK_64BIT.
2411 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
2412 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
2413 (TARGET_SWITCHES): Always provide 64 bit options.
2414 (ARCH64_SWITCHES): Delete.
2415 (TARGET_OPTIONS): New option -mcmodel=.
2416 (INT_TYPE_SIZE): Always 32.
2417 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
2418 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
2419 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
2420 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
2421 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
2423 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2424 * sparc/linux.h: Likewise.
2425 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
2426 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2427 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
2428 (SPARC_DEFAULT_CMODEL): Define.
2429 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2430 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2431 (LONG_DOUBLE_TYPE_SIZE): Define.
2432 (ASM_SPEC): Add %(asm_arch).
2433 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2434 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2435 (TARGET_CPU_DEFAULT): Add ultrasparc case.
2436 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
2437 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
2438 (SPARC_DEFAULT_CMODEL): Define.
2439 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
2440 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
2441 MASK_LONG64, MASK_MEDANY.
2442 (SPARC_DEFAULT_CMODEL): Define.
2443 (CPP_PREDEFINES): Delete.
2444 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2445 (ASM_SPEC): Add %(asm_arch).
2446 (LONG_DOUBLE_TYPE_SIZE): Define.
2447 (DWARF2_DEBUGGING_INFO): Define.
2448 * sparc/splet.h (CPP_SPEC): Delete.
2449 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2450 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
2451 (BLOCK_PROFILER): Likewise.
2452 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
2453 (sparc_override_options): Handle code model selection.
2454 (sparc_init_expanders): Renamed from sparc64_init_expanders.
2455 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
2456 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
2457 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
2458 (sethi_di_fullany): Delete.
2460 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
2461 Jeff Law <law@cygnus.com>
2462 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2464 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
2465 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
2466 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
2467 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
2468 * alpha/alpha.md (arg_home): Likewise.
2470 * alpha/alpha.c (vmskrunch): Delete
2471 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
2472 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
2473 truncate to 64 characters.
2475 * make-l2.com: Support openVMS/Alpha.
2477 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
2479 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2481 * longlong.h (count_leading_zeros): Add missing casts to USItype.
2483 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
2485 * i386/bsd386.h (ASM_COMMENT_START): Define.
2487 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2489 * tree.c (restore_tree_status): Also free up temporary storage
2490 when we finish a toplevel function.
2491 (dump_tree_statistics): Print stats for backend obstacks.
2493 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
2495 * expr.c (use_group_regs): Don't call use_reg for MEMs.
2497 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
2499 * libgcc2.c (__throw): Don't copy the return address.
2500 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
2502 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
2503 * toplev.c (main): Initialize exceptions_via_longjmp.
2505 * tree.c: Add extra_inline_obstacks.
2506 (save_tree_status): Use it.
2507 (restore_tree_status): If this is a toplevel inline obstack and we
2508 didn't want to save anything on it, recycle it.
2509 (print_inline_obstack_statistics): New fn.
2510 * function.c (pop_function_context_from): Pass context to
2511 restore_tree_status.
2512 * obstack.h (obstack_empty_p): New macro.
2514 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
2516 * i386/freebsd.h (ASM_COMMENT_START): Fix.
2518 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
2520 * v850.c (ep_memory_offset): New function.
2521 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
2523 * v850.h (CONST_OK_FOR_*): Add and correct comments.
2524 (CONSTANT_ADDRESS_P): Add comment.
2525 (EXTRA_CONSTRAINT): Define 'U'.
2526 * v850.md: Add comments on bit field instructions.
2527 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
2528 (lshrsi3): Use N not J constraint.
2530 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
2532 * v850.c (reg_or_0_operand): Call register_operand.
2533 (reg_or_int5_operand): Likewise.
2534 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
2535 (TARGET_SWITCHES): Add "big-switch".
2536 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
2537 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
2538 (CASE_DROPS_THROUGH): Comment out.
2539 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
2540 * v850.md (cmpsi): Delete compare mode.
2541 (casesi): New pattern.
2543 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
2544 * v850.md (ashlsi3): Use SImode not QImode for shift count.
2545 (lshrsi3): Likewise.
2547 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
2548 unreachable switch statement after 'b' support. Remove "b" from
2549 strings for 'b' support.
2550 * v850.md (branch_normal, branch_invert): Change %b to b%b.
2552 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
2554 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
2555 empty line if @inhibit_libc@ is empty.
2557 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
2559 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
2560 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
2561 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2562 (DWARF2_UNWIND_INFO): Let this track object file format.
2563 (EXTRA_SECTIONS): Add in_eh.
2564 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
2565 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2567 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
2569 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
2570 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
2572 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
2573 (output_double_int): Output DI mode values correctly when
2574 HOST_BITS_PER_WIDE_INT is 64.
2575 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
2576 fmovd so it works if a quad float ends up in one of the upper 32
2578 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
2579 necessary for PIC support on sparc64.
2581 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
2583 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
2584 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
2585 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
2586 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
2587 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
2588 (SPARC_FP_ARG_FIRST): New macro.
2589 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
2590 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
2591 (NPARM_REGS): There are 32 fp argument registers now.
2592 (FUNCTION_ARG_REGNO_P): Likewise.
2593 (FIRST_PARM_OFFSET): Update to new v9 abi.
2594 (REG_PARM_STACK_SPACE): Define for arch64.
2595 (enum sparc_arg_class): Delete.
2596 (sparc_arg_count,sparc_n_named_args): Delete.
2597 (struct sparc_args): Redefine and use for arch32 as well as arch64.
2598 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
2599 (FUNCTION_ARG_ADVANCE): Rewrite.
2600 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
2601 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
2602 (FUNCTION_ARG_CALLEE_COPIES): Delete.
2603 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
2604 (STRICT_ARGUMENT_NAMING): Define.
2605 (doublemove_string): Declare.
2606 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
2607 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
2608 (doublemove_string): New function.
2609 (output_move_quad): Clean up some of the arch64 support.
2610 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
2611 Don't add 8 bytes of reserved space if arch64.
2612 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
2613 (init_cumulative_args): New function.
2614 (function_arg_slotno): New static function.
2615 (function_arg,function_arg_partial_nregs): New functions.
2616 (function_arg_{pass_by_reference,advance}): New functions.
2617 (function_arg_padding): New function.
2618 * ginclude/va-sparc.h: Rewrite v9 support.
2620 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2622 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
2623 for hard regs to determine base and index registers.
2625 * reload.c (debug_reload_to_stream): New function. Specify stream
2626 into which to write debug info.
2627 (debug_reload): Modify to call debug_reload_to_stream with stderr.
2629 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
2631 * combine.c (can_combine_p): Don't combine with an asm whose
2632 output is a hard register.
2634 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
2636 * c-decl.c (start_struct): Ensure that structs with forward
2637 declarations are in fact packed when -fpack-struct is given.
2639 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
2640 we are packing a structure. This allows a structure with only
2641 bytes to be aligned on a byte boundary and have no padding on a
2644 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2646 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
2648 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
2650 * alpha.c (alpha_return_addr_rtx): New variable.
2651 (alpha_save_machine_status): New; save it.
2652 (alpha_restore_machine_status): New; restore it.
2653 (alpha_init_expanders): New; clear it.
2654 (alpha_return_addr): New; set it.
2655 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
2656 is overly conservative, so search the insns explicitly.
2657 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
2658 (alpha_sa_size [VMS && !VMS]): Likewise.
2659 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
2660 (INIT_EXPANDERS): New definition.
2662 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
2663 (output_prolog [!VMS]): Use them.
2665 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
2666 (alpha_does_function_need_gp): ... a new function. Refine the
2667 CALL_INSN test to just TYPE_JSR.
2668 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
2670 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
2672 * version.c: Bump for snapshot.
2674 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2676 * pa.c (move_operand): Respect -mdisable-indexing.
2677 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
2679 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
2681 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
2683 (umulsidi3,umulsi3_highpart): Ditto.
2684 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
2686 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
2688 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
2689 (alpha_handle_trap_shadows): ... a new function. Handle the entire
2690 function in one go. Emit RTL for trapb, instead of printf directly.
2691 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
2692 (trap_pending): Kill global variable.
2693 (output_epilog): Don't call final_prescan_insn.
2694 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
2695 * alpha.h (FINAL_PRESCAN_INSN): Remove.
2696 (MACHINE_DEPENENT_REORG): Define.
2697 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
2700 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
2702 Tune Haifa scheduler for Alpha:
2703 * alpha.h (ISSUE_RATE): Define.
2704 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
2705 EV4 adjustments to EV5.
2706 * alpha.md: Remove all scaling from function unit delays. Rework
2707 EV5 function units to match the CPU.
2708 (umuldi3_highpart): EV5 added the IMULH insn class.
2710 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
2712 * pa.c (following_call): Fail if the CALL_INSN is an indirect
2715 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
2717 * cplus-dem.c (demangle_signature): Don't look for return types on
2718 constructors. Handle member template constructors.
2720 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
2722 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
2723 * tree.h: Declare them.
2725 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
2727 * configure.in: Handle --with-newlib.
2728 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
2730 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
2732 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
2734 * config/ptx4.h: Fix typo.
2736 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
2738 * version.c: Bump for snapshot.
2740 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
2742 * aclocal.m4: Substitute INSTALL.
2743 * configure: Re-built.
2745 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
2747 * integrate.c (save_for_inline_copying): Avoid undefined pointer
2749 (expand_inline_function): Likewise.
2751 * dwarf2out.c (output_call_frame_info): Reinstate last change
2752 using flag_debug_asm check instead of flag_verbose_asm.
2754 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
2756 * dwarf2out.c (output_call_frame_info): Remove last change.
2758 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2760 * frame.c (__frame_state_for): Execute the FDE insns until the
2761 current pc value is strictly bigger than the target pc value.
2763 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
2765 * regclass.c (init_reg_modes): If we can't find a mode for the
2766 register, use the previous one.
2768 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
2770 * haifa-sched.c (print_block_visualization): Call fprintf directly,
2771 don't sprintf through an alloca'ed buffer.
2773 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
2775 * reload.c (decompose): Always initialize val.base.
2777 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2779 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
2780 instead of aborting.
2781 * dwarf2out.c (output_call_frame_info): Call app_enable and
2782 app_disable to let GNU as accept the generated comments.
2784 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
2786 * tree.h (get_file_function_name): Add declaration.
2787 * dwarf2out.c (output_call_frame_info): No need to cast
2788 get_file_function_name call anymore.
2789 * profile.c (toplevel): Remove get_file_function_name
2791 * c-lang.c (finish_file): Ditto.
2793 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
2795 * Makefile.in (program_transform_name): Let autoconf substitute
2798 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
2800 * haifa-sched.c (schedule_block): If the first real insn in a
2801 block has any special notes attached to it, remove them.
2803 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
2805 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
2807 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2809 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
2811 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
2813 * Makefile.in (check-g77): New test target.
2814 (CHECK-TARGETS): Add check-g77.
2816 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
2818 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
2820 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
2822 * flow.c (print_rtl_with_bb): Cast alloca return value for
2825 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
2827 * i386.h (RETURN_ADDR_RTX): New definition that works for
2828 __builtin_return_address(0) and -fomit-frame-pointer.
2830 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
2832 Bring over from FSF.
2833 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
2835 * mips.c (function_arg): Handle passing a struct
2836 containing a double in a DFmode register without the PARALLEL.
2838 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
2840 * pexecute.c: Use spawn if __CYGWIN32__.
2842 * pexecute.c: Include "config.h" first, as per autoconf manual
2843 (from Paul Eggert <eggert@twinsun.com>).
2845 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2847 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
2848 optimisation for f/expr.o and f/stb.o.
2850 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
2852 * cse.c (this_insn_cc0_mode): Initialize.
2854 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
2856 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
2858 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
2860 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
2862 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
2863 that pair will dual-issue on the 21164 and plus+beq won't.
2864 (bne): Likewise for cmpeq+beq.
2866 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
2868 * except.c (find_exception_handler_labels): Correct argument to free.
2870 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
2872 * except.c (find_exception_handler_labels): Free LABELS when we're
2875 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
2877 * version.c: Bump for snapshot.
2879 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
2881 * flow.c (find_basic_blocks): Mark calls as potentially jumping
2884 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
2886 * configure.in: Substitute for "install" too.
2887 * configure: Rebuilt.
2889 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
2891 * Makefile.in (bootstrap-lean, compare-lean): New targets.
2893 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
2895 * alias.c (base_alias_check): Two symbols can conflict if they
2896 are accessed via AND.
2897 (memrefs_conflict_p): Likewise.
2899 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
2900 after flushing argument registers to the stack.
2902 * Makefile.in (mostlyclean): Remove .regmove files.
2904 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2906 * libgcc2.c (__throw): Fix thinko.
2908 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
2910 * cplus-dem.c (demangle_template): Add new parameter. Handle new
2911 template-function mangling.
2912 (consume_count_with_underscores): New function.
2913 (demangle_signature): Handle new name-mangling scheme.
2915 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2917 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
2920 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
2922 * frame.c: Remove last change.
2923 * dwarf2.h: Remove last change.
2924 * tree.h: Add declarations of DWARF2 unwind info support
2927 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2929 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
2930 * tree.h (built_in_function): Likewise.
2931 * expr.c (expand_builtin): Likewise.
2932 * except.h: Likewise.
2933 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
2934 * libgcc2.c (copy_reg): New fn.
2937 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
2939 * c-typeck.c (build_binary_op): Warn about comparing signed vs
2940 unsigned if -W is specified and -Wno-sign-compare is not.
2941 * c-decl.c (warn_sign_compare): Initialize to -1.
2942 (c_decode_option): -Wall no longer implies -Wsign-compare.
2944 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2946 * frame.c: Include gansidecl.h for PROTO.
2947 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
2948 defined. Don't declare dwarf2out_cfi_label here.
2949 * dwarf2.h: Add declarations of DWARF2 unwind info support
2951 * m68k.c: Include dwarf2.h.
2952 (output_function_prologue): Add dwarf2 support.
2953 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
2954 (INCOMING_FRAME_SP_OFFSET): Likewise.
2956 * integrate.c (expand_inline_function): Make sure there is at
2957 least one insn that can be used as an insertion point.
2959 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
2961 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
2963 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
2965 * version.c: Bump for snapshot.
2967 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
2969 Bring over from FSF.
2971 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
2973 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
2974 (get_pc_via_rdpc): Renamed from get_pc_sp64.
2975 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
2977 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
2979 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
2980 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
2982 (sparc_align_{loops,jumps,funcs}_string): Declare.
2983 (sparc_align_{loops,jumps,funcs}): Declare.
2984 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
2985 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
2986 (STACK_BIAS): Define.
2987 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
2989 (SPARC_SETHI_P): New macro.
2990 (CONST_OK_FOR_LETTER_P): Use it.
2991 (ASM_OUTPUT_ALIGN_CODE): Define.
2992 (ASM_OUTPUT_LOOP_ALIGN): Define.
2993 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
2994 (sparc_align_{loops,jumps,funcs}): New globals.
2995 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
2997 (move_operand): Use SPARC_SETHI_P.
2998 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
3000 (arith11_double_operand): Likewise.
3001 (arith10_double_operand): Likewise.
3002 (finalize_pic): Finish sparc64 support.
3003 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
3004 64 bit constants if able.
3005 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
3006 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
3008 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
3009 (get_pc_sp32): Use for sparc64 as well.
3010 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
3011 (sethi_di_sp64_const): Likewise.
3012 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
3013 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
3014 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
3016 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
3018 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
3019 * sparc/linux.h (COMMENT_BEGIN): Likewise.
3020 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
3022 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
3024 Add sparc64 linux support.
3025 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
3026 to xm_file list on 32-bit sparc-linux.
3027 * sparc/xm-sp64.h: New file.
3028 * sparc/linux64.h: New file.
3029 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
3030 Don't include xm-sparc.h.
3031 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
3032 * glimits.h (LONG_MAX): Handle sparc64.
3034 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
3036 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
3037 * sparc.h (ASM_COMMENT_START): Define.
3038 * sparc.c (output_function_prologue): Use it.
3039 (sparc_flat_output_function_{epi,pro}logue): Likewise.
3041 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
3043 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
3044 use sparc.h's copies.
3045 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
3048 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3050 * sparc.c (dwarf2out_cfi_label): Add declaration.
3051 (save_regs, output_function_prologue): Remove cast for it.
3052 (sparc_flat_{save_restore,output_function_prologue): Likewise.
3053 ({save,restore}_regs): No longer inline.
3055 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3057 * fold-const.c (make_range): Correctly handle cases of converting
3058 from unsigned to signed type.
3060 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3062 * fold-const.c (merge_ranges): Make sure that if one range is subset
3063 of another, it will always be the second range. Correct (+,-) case to
3066 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3068 * final.c (final_end_function): Also do dwarf2 thing if
3069 DWARF2_DEBUGGING_INFO.
3070 (final_start_function): Likewise.
3072 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
3074 * expmed.c (expand_divmod): If compute_mode is not the same as
3075 mode, handle the case where convert_modes() causes op1 to no
3076 longer be a CONST_INT.
3078 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
3079 note holding get_jump_flags() calculation to all JUMP_INSNs.
3080 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
3081 * rtl.c (reg_note_name): Add new note types.
3083 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
3085 * rtlanal.c (computed_jump_p): Fix typo in last change.
3087 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3089 * loop.c (indirect_jump_in_function_p): Return 0
3092 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
3094 * rs6000/xm-rs6000.h: Fix thinko in last change.
3095 * rs6000/xm-sysv4.h: Likewise.
3097 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
3099 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
3101 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
3103 * reg-stack.c (find_blocks): Fix thinko in last change.
3105 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3107 * m68k.c (output_function_prologue): Add dwarf2 support.
3109 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
3110 INCOMING_FRAME_SP_OFFSET): New definitions.
3112 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3114 * combine.c (try_combine): Use NULL_RTX instead of '0' where
3115 appropriate in calls to gen_rtx().
3116 * cse.c (cse_main): Likewise.
3117 * emit-rtl.c (gen_label_rtx): Likewise.
3118 * expr.c (init_expr_once): Likewise.
3119 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
3120 sched_analyze, init_rgn_data_dependences,
3121 compute_block_backward_dependences): Likewise.
3122 * sched.c (schedule_insns): Likewise.
3123 * varasm.c (immed_double_const): Likewise.
3125 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
3126 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
3128 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
3130 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
3131 (MULTILIB_DEFAULTS): Define.
3132 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
3133 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
3134 (LIBGCC_SPEC): Likewise.
3135 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
3136 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
3137 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
3138 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
3139 (EXTRA_PARTS, TAROUTOPTS): Delete.
3140 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
3141 (MULTILIB_OPTIONS): Define.
3142 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
3143 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
3145 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
3147 * version.c: Bump for snapshot.
3149 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
3151 * loop.c (loop_number): Delete function. Change all references
3152 to use uid_loop_num array.
3153 * loop.h (loop_number): Delete declaration.
3154 * unroll.c (unroll_loop): Change "loop_number" references to
3155 use uid_loop_num instead.
3157 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
3159 (loop_unroll_iter): Remove unused variable and all references.
3160 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
3161 (insert_bct): Fix minor formatting problems.
3162 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
3163 (loop_unroll_iter): Removed unused decl.
3164 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
3165 Always record the unrolling factor.
3167 * cse.c (simplify_relational_operation): Set h0u just like h0s.
3168 Similarly for h1u and h1s.
3170 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
3171 (find_basic_blocks): Use computed_jump_p to determine if a
3172 particular JUMP_INSN is a computed jump.
3173 * reg-stack.c (find_blocks): Use computed_jump_p to determine
3174 if a particular JUMP_INSN is a computed jump.
3175 * rtlanal.c (jmp_uses_reg_or_mem): New function.
3176 (computed_jump_p): Likewise.
3177 * rtl.h (computed_jump_p): Declare.
3178 * genattrtab.c (pc_rtx): Define and initialize.
3179 * loop.c (loop_optimize): Always determine if the current
3180 function has a computed jump.
3181 (indirect_jump_in_function_p): Use computed_jump_p to determine
3182 if a particular JUMP_INSN is a computed jump.
3184 * loop.c (fix_bct_param): Delete unused function.
3185 (check_bct_param): Likewise.
3187 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3189 * frame.c (__deregister_frame): Check properly for initialized object.
3191 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3193 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
3195 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3197 * jump.c (thread_jumps): check can_reverse_comparison_p before
3198 threading a reversed-condition jump.
3200 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
3201 * haifa-sched.c (update_flow_info): Likewise.
3203 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
3205 * Makefile.in (BOOT_CFLAGS): Use -O2.
3207 * configure.in (strtoul, bsearch): Have autoconf check for these
3209 * configure, config.in: Rebuilt.
3211 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
3212 * mips/mips.h (alloca): Likewise.
3213 * rs6000/xm-rs6000.h (alloca): Likewise.
3214 * rs6000/xm-sysv4.h: Likewise.
3216 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
3218 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
3219 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
3220 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
3222 * except.c (end_eh_unwinder): Subtract 1 from return address.
3223 * libgcc2.c (__throw): Likewise.
3224 (find_exception_handler): Don't change PC here. Compare end with >.
3226 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
3228 * v850.c (compute_register_save_size): Correct register
3230 * v850.md (save_interrupt, return_interrupt): Correct
3232 * v850/lib1funcs.asm (save_interrupt): Correct register number.
3233 (return_interrupt): Use stack pointer, not element pointer.
3235 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
3237 * configure.in, configure: Make sure to create the stage* and include
3238 symbolic links in each subdirectory.
3240 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
3242 * pa.md (reload_peepholes): Don't allow addresses with side
3243 effects for the memory operand.
3245 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3247 * libgcc2.c (find_exception_handler): Subtract one from our PC when
3248 looking for a handler, to avoid hitting the beginning of the next
3251 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
3253 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
3255 * mips/abi64.h (LONG_MAX_SPEC): Define.
3256 * mips.h (LONG_MAX_SPEC): Define.
3257 (CPP_SPEC): Include long_max_spec.
3258 (EXTRA_SPECS): Include long_max_spec.
3260 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
3262 * v850.c (construct_save_jarl): Fix thinko in last change.
3264 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
3266 * version.c: Bump for snapshot.
3268 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3270 * libgcc2.c (find_exception_handler): Not found is -1.
3272 * integrate.c (expand_inline_function): Move expand_start_bindings
3273 after expanding the arguments.
3275 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
3277 * expr.c (expand_expr): Remove previous incorrect change.
3278 If target and slot has no DECL_RTL, then call mark_addressable
3279 again for the slot after we give it RTL.
3281 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
3283 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3284 again for the slot after we give it RTL.
3286 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
3288 * v850.c (register_is_ok_for_epilogue,
3289 pattern_is_ok_for_epilogue, construct_restore_jr,
3290 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
3292 * v850.h (pattern_is_ok_for_prologue,
3293 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
3296 * v850.md: Replace prologue and epilogue patterns with a
3297 match_parallel pattern.
3299 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
3301 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
3302 * configure.in: Use EGCS_PROG_INSTALL.
3304 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
3306 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
3307 extern inline function.
3309 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
3311 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
3312 (concat_loc_descriptor): New function.
3313 (loc_descriptor): Call it.
3314 (add_AT_location_description): Also elide the descriptor if both
3315 halves of a CONCAT are pseudos.
3316 (add_location_or_const_value_attribute): Recognize CONCAT too.
3318 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
3320 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
3322 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
3323 out-or-range reg_offset.
3324 (output_epilog): Likewise.
3326 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
3328 * cse.c (simplify_relational_operation): If MODE specifies a
3329 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
3330 is derived from the sign bit of the low word.
3332 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3334 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
3336 * dwarf2.h: Add DW_CFA_GNU_args_size.
3337 * frame.c (execute_cfa_insn): Likewise.
3338 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
3339 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
3340 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
3341 insn, hand it off to dwarf2out_stack_adjust.
3342 (dwarf2out_begin_prologue): Initialize args_size.
3343 * frame.h (struct frame_state): Add args_size.
3344 * libgcc2.c (__throw): Use args_size.
3345 * final.c (final_scan_insn): If we push args, hand off all insns
3346 to dwarf2out_frame_debug.
3347 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
3349 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
3350 Handle epilogue restore of SP from FP.
3351 * emit-rtl.c (gen_sequence): Still generate a sequence if the
3352 lone insn has RTX_FRAME_RELATED_P set.
3354 * frame.c (extract_cie_info): Handle "e" augmentation.
3355 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
3356 absence of UNALIGNED_*_ASM_OP.
3357 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
3358 (output_call_frame_info): Use "e" instead of "z" for augmentation.
3359 Don't emit augmentation fields length.
3360 (dwarf2out_do_frame): Move outside of #ifdefs.
3361 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
3364 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
3365 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
3366 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
3367 * sparc/sun4gas.h: New file.
3368 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
3370 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
3371 __register_frame_table and __deregister_frame.
3373 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
3375 * except.c (find_exception_handler_labels): Use xmalloc instead of
3376 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
3379 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
3381 * Makefile.in: Various changes to build info files
3382 in the object tree rather than the source tree.
3384 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
3386 * fixinc.math: New file to fix math.h on some systems.
3387 * configure.in (freebsd, netbsd): Use fixinc.math on these
3389 * configure: Rebuilt.
3391 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
3393 * regmove.c (regmove_optimize): If we end up moving the
3394 original insn due to lifetime overlaps, make sure to move
3397 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
3399 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
3401 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
3403 * haifa-sched.c (add_branch_dependences): Make each insn in
3404 a SCHED_GROUP_P block explicitly depend on the previous insn.
3406 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3408 * except.h: Prototype dwarf2 hooks.
3411 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
3413 * configure.in (native_prefix): Delete.
3414 (mips-dec-netbsd): Don't set prefix.
3415 (*linux*): Don't set prefix.
3417 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
3419 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
3420 defined. If not defined, include <sys/varargs.h> if
3421 HAVE_SYS_VARARGS_H is defined.
3422 * configure.in: Test for varargs.h and sys/varargs.h.
3423 * configure: Regenerate with autoconf.
3424 * config.in: Regenerate with autoheader.
3426 * cpplib.c (quote_string): Cast first arg of sprintf call
3427 from "unsigned char *" to "char *".
3428 (output_line_command): Ditto.
3429 (macroexpand): Ditto.
3430 (do_line): Cast atoi arg from "unsigned char *" to "char *".
3432 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
3434 * version.c: Bump for snapshot.
3436 * Makefile.in (compare): Exit with nonzero status if there
3437 are comparison failures. Note which files failed the
3438 comparison test in .bad_compare.
3440 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3442 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
3444 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
3446 * Makefile.in (LN, LN_S): New macros, use where appropriate.
3447 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
3448 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
3449 * configure: Regenerated.
3451 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
3453 * loop.c (strength_reduce): Fix typo.
3455 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
3457 * m88k/m88k.c (struct option): Rename to struct options.
3458 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
3459 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
3460 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
3461 __DOLPHIN__ or sysV88.
3463 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
3465 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
3468 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
3470 * config.sub: Accept 'amigados' for backward compatability.
3472 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3474 * Makefile.in (testsuite/site.exp): New target.
3475 (check-gcc, check-g++): Depend on testsuite/site.exp.
3476 Don't stop for failure.
3478 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
3480 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
3481 if DWARF2_UNWIND_INFO.
3483 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
3485 Add support for exception handling using DWARF 2 frame unwind info.
3486 Currently works on SPARC and MIPS, and almost on x86.
3488 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
3489 next_stack_level, in_reg_window): Helper fns.
3490 (__throw): Implement for DWARF2_UNWIND_INFO.
3492 * expr.c (expand_builtin): Handle builtins used by __throw.
3493 * tree.h (enum built_in_function): Add builtins used by __throw.
3494 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
3495 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
3496 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
3497 (expand_builtin_extract_return_addr): Likewise.
3498 (expand_builtin_frob_return_addr): Likewise.
3499 (expand_builtin_set_return_addr_reg): Likewise.
3500 (expand_builtin_eh_stub): Likewise.
3501 (expand_builtin_set_eh_regs): Likewise.
3502 (eh_regs): Choose two call-clobbered registers for passing back values.
3504 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
3505 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
3506 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
3507 (stmp-multilib): Likewise.
3508 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
3510 * except.c: #include "defaults.h".
3511 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
3512 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
3513 (register_exception_table_p): New fn.
3514 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
3515 (end_eh_unwinder): Likewise.
3517 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
3518 call __register_frame and __deregister_frame as needed.
3519 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
3520 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
3521 EH_FRAME_SECTION_ASM_OP.
3522 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
3523 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
3524 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
3526 * dwarf2out.c (output_call_frame_info): If no support for
3527 EXCEPTION_SECTION, mark the start of the frame info with a
3529 * collect2.c (frame_tables): New list.
3530 (is_ctor_dtor): Recognise frame entries.
3531 (scan_prog_file): Likewise.
3532 (main): Pass -fno-exceptions to sub-compile. Also do collection
3533 if there are any frame entries.
3534 (write_c_file_stat): Call __register_frame_table and
3535 __deregister_frame as needed.
3536 (write_c_file_glob): Likewise.
3538 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
3539 Also require unaligned reloc support.
3540 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3541 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
3542 * sparc/sysv4.h: Not here.
3544 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
3545 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
3546 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
3548 * libgcc2.c (L_eh): Reorganize, moving code shared by different
3549 EH implementations to the top.
3550 (find_exception_handler): Split out. Start from 0. Compare against
3552 (__find_first_exception_table_match): Use it.
3553 * except.c (output_exception_table): Don't do anything if there's
3554 no table. Don't output a first entry of zeroes.
3555 (eh_outer_context): Adjust properly.
3556 (add_eh_table_entry): Use xrealloc.
3557 * toplev.c (compile_file): Just call output_exception_table.
3559 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
3561 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
3563 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
3565 * except.c (eh_outer_context): Do masking using expand_and.
3567 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
3569 Add port done awhile ago for the ARC cpu.
3570 * arc/arc.h: New file.
3571 * arc/arc.c: New file.
3572 * arc/arc.md: New file.
3573 * arc/initfini.c: New file.
3574 * arc/lib1funcs.asm: New file.
3575 * arc/t-arc: New file.
3576 * arc/xm-arc.h: New file.
3577 * ginclude/va-arc.h: New file.
3578 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
3579 * ginclude/varargs.h: Likewise.
3580 * Makefile.in (USER_H): Add va-arc.h.
3581 * configure.in (arc-*-elf*): Recognize.
3582 * longlong.h: Add ARC support.
3584 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
3586 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
3587 when clearing non-BLKmode data.
3589 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
3591 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
3592 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
3594 * xm-m88k.h (USG): Only define if it hasn't already been defined.
3596 * Makefile.in (risky-stage1): Delete gratutious whitespace.
3598 * Makefile.in (clean): Delete libgcc1-test.
3600 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
3602 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
3604 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
3607 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3609 * dwarf2out.c (output_call_frame_info): Call named_section.
3611 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
3613 * haifa-sched.c (print_value): Fix last change.
3615 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
3617 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
3620 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
3622 * mips.c (function_prologue): Set up the CFA when ABI_32.
3624 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
3625 for dwarf2 unwind info.
3626 (output_function_prologue, sparc_flat_output_function_prologue): Same.
3628 * final.c (final_end_function): Check dwarf2out_do_frame instead
3629 of DWARF2_DEBUG for dwarf2 unwind info.
3630 (final_scan_insn): Likewise.
3631 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
3634 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
3637 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
3639 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
3641 * v850.h (ASM_SPEC): Pass on target processor.
3642 (CPP_PREDEFINES): Only define if not already specified.
3643 (TARGET_VERSION): Only define if not already specified.
3644 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
3646 (EXTRA_SWITCHES): Extra entries in the switches array.
3647 (TARGET_DEFAULT): Set default target processor.
3649 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
3651 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
3652 cases, add %# and %/, and add : to make them into extended asms.
3654 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
3656 * alias.c (init_alias_analysis): Clean up incompatible pointer
3657 type warning in bzero.
3658 * regmove.c (regmove_optimize): Ditto.
3659 * haifa-sched.c (find_rgns): Ditto.
3661 * haifa-sched.c (print_value): Clean up ptr->int cast
3664 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
3666 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
3667 * install.texi (Configurations): Ditto.
3668 * config.sub: Ditto.
3670 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
3672 * Makefile.in (sdbout.o): Depend on insn-config.h.
3674 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
3676 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
3677 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
3679 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3681 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
3682 prologue insn, only the first elt is significant.
3683 (output_call_frame_info): For exception handling, always use 4-byte
3684 fields as specified by the dwarf2 spec.
3685 Don't skip trivial FDEs.
3687 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
3689 * version.c: Bump for snapshot.
3691 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
3693 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
3694 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
3697 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
3699 * final.c (shorten_branches): During first pass, assume worst
3700 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
3702 * Makefile.in (distclean): Remove various things left around
3703 by running the testsuite.
3705 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
3707 * configure.in (out_file): Emit definition to config.status in order
3708 to have a defined value for configure.lang.
3709 * configure: Re-built.
3711 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
3713 * configure.in: Make symlink to as-new rather than as.new. Similarly
3715 * configure: Rebuilt.
3717 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
3719 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
3721 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
3723 * sparc/sparc.md: Add ultrasparc scheduling support.
3724 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
3726 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3728 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
3729 as initial value for real_label_map.
3730 (copy_for_inline): Likewise.
3732 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3734 * sched.c (update_flow_info) When looking if to set found_split_dest
3735 or found_orig_dest, look at all parts of a PARALLEL.
3736 * haifa-sched.c (update_flow_info): Likewise.
3738 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
3740 * v850: New directory for v850 port.
3741 * v850/lib1funcs.asm: New file.
3742 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
3743 * ginclude/va-v850.h: New file.
3744 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
3745 * configure.in (mn10200-*-*): New target.
3746 * configure: Rebuilt.
3747 * config.sub: Handle v850-elf.
3748 * Makefile.in (USER_H): Add va-mn10200.h.
3749 * invoke.texi: Document v850 stuff.
3751 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
3753 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
3754 has integer TYPE_{MAX,MIN}_VALUE before using them.
3756 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
3757 __HPUX_ASM__ versions.
3759 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
3761 * install.sh: Delete duplicate install script.
3763 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
3765 * reg-stack.c (subst_stack_regs): Pop the stack register for a
3766 computed goto which sets the same stack register.
3768 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
3769 destination are both on the regstack.
3770 (subst_stack_regs_pat): Put the destination at the top of the regstack.
3772 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
3774 * mips.md (nonlocal_goto_receiver): Define.
3776 * profile.c (output_arc_profiler): Check next_insert_after for non
3777 NULL before deferencing it.
3779 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
3781 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
3783 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
3785 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
3787 * toplev.c (rest_of_compilation): For passes starting with
3788 flow_analysis, use print_rtl_with_bb instead of print_rtl.
3790 * print-rtl.c (print_rtl_single): Print a single rtl value to a
3793 * flow.c (print_rtl_with_bb): Print which insns start and end
3794 basic blocks. For the start of a basic block, also print the live
3797 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
3799 * toplev.c (main): Change #elif to #else/#ifdef
3801 * tlink.c: Include ctype.h.
3802 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
3804 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
3806 * bitmap.c: Conditionally include stdlib.h.
3807 (free): Provide a declaration if NEED_DECLARATION_FREE.
3809 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
3811 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
3813 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
3815 * profile.c (output_arc_profiler): Verify next_insert_after is an
3816 INSN before and after skipping a stack pop.
3818 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3820 * final.c (shorten_branches): Don't count the lengths of deleted
3823 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
3825 * version.c: Bump for snapshot.
3827 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
3829 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
3830 two bitmaps ANDed together.
3831 (bitmap_print): Declare.
3833 * bitmap.c (function_obstack): Don't declare any more.
3834 (bitmap_obstack): Obstack for allocating links from.
3835 (bitmap_obstack_init): New static to say whether to initialize
3837 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
3838 (bitmap_release_memory): Free all memory allocated from
3841 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
3842 EXECUTE_IF_AND_IN_BITMAP.
3844 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
3846 * alias.c (true_dependence): Address with AND can alias scalars.
3847 (anti_dependence, output_dependence): Likewise.
3849 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
3851 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
3853 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
3854 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
3855 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
3856 definitions. Use -qrtems instead of -mrtems.
3858 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
3860 * xm-sco5.h (sys_siglist): Define.
3861 (SYS_SIGLIST_DECLARED): Likewise.
3863 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
3865 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
3867 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
3869 * except.c (eh_outer_context): Expand masking operation using
3872 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
3874 * alpha.md (floatdisf2-1): New pattern.
3876 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
3878 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
3879 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
3880 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
3881 * gcc.texi: Note that if you define sys_siglist that you should
3882 also define SYS_SIGLIST_DECLARED.
3884 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
3885 are relative to the next instruction, not the current instruction.
3887 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
3889 * local-alloc.c (contains_replace_regs): New function.
3890 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
3891 verify that there is no existing REG_EQUIV note, and add a call to
3892 contains_place_regs.
3894 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3896 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
3897 (STARTFILE_SPEC): Always use crtbegin.o%s
3898 (ENDFILE_SPEC): Always use crtend.o%s.
3900 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
3902 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
3904 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
3905 SFmode for 64 bit hosts.
3907 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
3909 * fixincludes: Permits spaces between # and define. Discard C++
3910 comments in sys/pci.h on HP/UX 10.20.
3912 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
3914 * version.c: Bump for snapshot.
3916 * pa.c (restore_unscaled_index_insn_codes): New function.
3917 (record_unscaled_index_insn_codes): Likewise.
3918 (output_function_prologue): Call restore_unscaled_index_insn_codes.
3919 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
3920 (pa_reorg): Call record_unscaled_index_insn_codes.
3922 * haifa-sched.c (move_insn): Handle notes correctly for insns
3923 with SCHED_GROUP_P set.
3925 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3927 * alpha/xm-linux.h (USE_BFD): Undef before define.
3929 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
3931 * cse.c (cse_insn): Don't record BLKmode values.
3933 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
3935 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
3937 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
3939 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
3940 * collect2.c (sys_errlist): Likewise.
3941 * cpplib.c (sys_errlist): Likewise.
3942 * gcc.c (sys_errlist): Likewise.
3943 * protoize (sys_errlist): Likewise.
3944 * configure.in: Check for strerror.
3945 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
3946 * xm-gnu.h (HAVE_STRERROR): Likewise.
3947 * xm-linux.h (HAVE_STRERROR): Likewise.
3948 * xm-netbsd.h (HAVE_STRERROR): Likewise.
3949 * xm-bsd386.h (HAVE_STRERROR): Likewise.
3950 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
3951 * xm-dos.h (HAVE_STRERROR): Likewise.
3952 * xm-mingw32.h (HAVE_STRERROR): Likewise.
3953 * xm-pa.h (HAVE_STRERROR): Likewise.
3954 * xm-papro.h (HAVE_STRERROR): Likewise.
3955 * xm-sysv4.h (HAVE_STRERROR): Likewise.
3956 * configure, config.in: Rebuilt.
3958 * Makefile.in: Add several missing "else true" clauses.
3960 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
3961 * mips-tfile.c: Likewise.
3962 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
3963 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
3964 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
3965 * configure.in: Check for sys_siglist declaration.
3966 * configure, config.in: Rebuilt.
3968 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
3970 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
3971 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
3972 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
3973 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
3974 * rs6000/sysv4.h (extra_subtarget_switches): Added new
3975 macro EXTRA_SUBTARGET_SWITCHES.
3976 * configure.in (sh*-*-rtems*): New target.
3977 * sh/rtems.h: New file.
3978 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
3979 * configure: Rebuilt.
3981 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
3983 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
3985 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
3987 * rs6000.md: Make DF fused-add operations pay attention to
3990 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
3992 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
3994 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
3996 * pa.md (reload_peepholes): Make sure operand is a REG before
3997 examining REGNO. Allow general registers too.
3999 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
4001 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
4003 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
4005 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
4006 to reallocate abbrev_die_table.
4008 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
4010 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
4012 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4014 * Makefile.in (config.status): Depend on version.c
4016 * expr.h (insn_gen_function): Reenable prototype.
4018 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
4021 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
4023 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
4025 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
4027 * version.c: Bump for latest snapshot.
4029 * bc-optab.c: Conditionally include stdlib.h.
4030 (free): Provide a declaration if NEED_DECLARATION_FREE.
4031 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
4032 * rtl.h (free): Remove declaration.
4033 * tree.h (free): Remvoe declaration.
4035 * configure: Rebuilt.
4037 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
4039 * flags.h (flag_move_all_movables): Declare.
4040 (flag_reduce_all_givs): Likewise.
4041 * loop.c (move_movables): Handle flag_move_all_movables.
4042 (strength_reduce): Handle flag_reduce_all_givs.
4043 * toplev.c (flag_move_all_movables): Define.
4044 (flag_reduce_all_givs): Likewise.
4045 (f_options): Add -fmove-all-movables and -freduce-all-givs.
4046 * invoke.texi: Document new options, including alias stuff that
4047 wasn't included last time.
4049 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
4051 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
4054 * t-vxworks68: Ditto.
4055 * t-vxworks960: Ditto.
4058 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
4060 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
4061 if not already defined, and USE_C_ALLOCA not defined.
4063 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
4065 * config.guess: Replace with script that uses ../config.guess.
4067 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
4068 if USE_GNULIBC_1 is not defined.
4070 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
4072 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
4073 * config.guess: Recognize alpha-linux-gnulibc1.
4074 * configure.in (alpha-*-linux-gnulibc1): New target.
4075 (alpha-*-linux-gnu*): Don't build crtbegin/end.
4077 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
4079 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
4082 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
4084 * loop.c (combine_movables): Earlier insns don't match later ones.
4086 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4088 * config/linux.h (CC1_SPEC): Define it only if not defined.
4090 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
4093 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
4094 USE_GNULIBC_1 is not defined.
4096 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
4098 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
4099 as 1 if USE_GNULIBC_1 is not defined.
4101 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
4103 * reorg.c (dbr_schedule): Allow current_function_return_rtx
4104 to be something other than a REG.
4105 * function.c (expand_function_end): Fix current_function_return_rtx
4108 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
4109 * x-netbsd: Likewise
4110 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
4111 (INSTALL_HEADERS): Delete.
4112 * x-dguxbcs: Likewise.
4113 * x-hp3bsd44: Likewise
4116 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4118 * i386.md (pop): pop increments the stack pointer.
4119 (prologue_set_stack_ptr): New pattern.
4120 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
4123 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
4125 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
4126 address where an offsettable address is required.
4128 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
4130 * loop.c (check_final_value): Don't miss a biv increment in a
4133 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
4135 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
4136 TYPE_DECL_IS_STUB instead of DECL_NAME.
4138 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4140 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
4142 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
4144 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
4146 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
4148 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
4149 (find_post_sched_live): Likewise.
4151 * haifa-sched.c (schedule_block): Remove old code to get arguments
4152 from hard regs into pseudos early.
4154 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
4156 * version.c: Bump for new snapshot.
4158 * local-alloc.c (update_equiv_regs): All the target to reject
4159 promotion of some REG_EQUAL to REG_EQUIV notes.
4160 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
4162 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
4165 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
4166 store of the argument registers.
4168 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
4170 * fold-const.c (multiple_of_p): New function.
4171 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
4173 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
4175 * expr.h (insn_gen_function): Temporarily remove prototype.
4177 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
4179 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
4180 filenames. Use sed to extract base filename for install.
4182 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
4184 * unroll.c (find_splittable_givs): Only share if two givs have the
4185 same add and multiply values.
4187 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
4189 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
4190 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
4192 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
4194 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
4195 around branch tables.
4196 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
4197 and .end_brtab directives if TARGET_GAS.
4199 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
4201 * alias.c (true_dependence): Pass x_addr not x to varies.
4203 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
4204 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
4205 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
4207 * config.in, configure: Regenerate.
4209 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
4211 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
4213 (record_set): Handle LO_SUM like PLUS.
4214 (init_alias_analysis): When following chains of base addresses,
4215 do not stop on reaching a hard register.
4217 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
4219 * version.c: Bump for new snapshot.
4221 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
4223 * alpha.h (ARCH_ASM_FILE_START): Define.
4224 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
4225 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
4227 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
4229 * Makefile.in (install-common): Put gcov comment at start of line.
4231 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
4233 * alias.c (init_alias_analysis): When simplifying the reg_base_value
4234 array, simplify entries for hard registers too.
4236 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
4238 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
4241 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
4243 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
4244 block_stack before dereferencing it.
4246 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
4248 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
4250 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4252 * cplus-dem.c: Add 'extern' to prepends_underscore.
4254 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
4256 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
4257 (get_issue_rate): Delete.
4258 * pa.h (ISSUE_RATE): Define.
4260 * configure.in: Turn on haifa by default for the PA.
4261 * configure: Rebuilt.
4262 * pa.c (override_options): Accept -mschedule=7200 option.
4263 (pa_adjust_cost): No longer need to scale costs for newer
4265 * pa.h (enum processor_type): Add PROCESSOR_7200.
4266 * pa.md: Revamp scheduling parameters to work better with
4267 haifa. Add scheduling parameters for the 7200.
4269 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
4271 (schedule_block): When adjusting basic_block_{head,end}, account
4272 for movement of SCHED_GROUP_P insns too.
4274 * haifa-sched.c (debug_dependencies): Fix thinko.
4276 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
4277 (site.exp, check, check-g++, check-gcc): New targets.
4279 * haifa-sched.c: Make lots of variables static.
4281 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4283 * expr.h, real.h: Finish prototyping.
4285 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
4287 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
4288 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
4289 * reload1.c: Undo bugfix from Aug 11.
4291 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
4293 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
4294 quotes around the name.
4295 * configure: Regenerate.
4297 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
4299 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
4301 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
4303 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
4304 to sub-makes to avoid building more passes than the user might have
4305 requested on the command line.
4307 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
4309 * configure.in: Expurgate `broken_install' (install is
4312 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
4315 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
4317 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
4318 functions and declarations.
4319 (analyze_loop_iterations): Use condjump_p.
4320 (insert_bct): Likewise. Use exact_log2.
4322 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
4324 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
4325 (schedule_region): Likewise.
4326 (schedule_insns): Likewise.
4328 * PROJECTS: Update with Haifa stuff.
4330 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
4332 * version.c: Change the version string to look like:
4333 egcs-2.90.00 970814 (gcc2-970802 experimental).
4335 * loop.c (is_conditional_branch): Make definition match declaration.
4337 * gcc.c: Take out experimental snapshot warning message.
4339 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
4341 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
4342 print out the names of the notes. Print out the name of the insn
4343 that is not a note, and not an {,CALL_,JUMP_}INSN.
4345 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4347 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4348 again for the slot after we give it RTL.
4350 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
4352 * configure.in (haifa configury): Fix typo.
4353 * configure: Regenerate.
4355 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
4357 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
4359 * gcc.info*: Rebuilt.
4361 * COPYING.g77, README.g77: New files.
4362 * real.c (ereal_unto_float, ereal_unto_double): New functions.
4363 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
4364 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
4366 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
4368 * Integrate Haifa instruction scheduler.
4369 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
4370 to sched with $(SCHED_CFLAGS.
4371 * configure.in: Handle --enable-haifa.
4372 * configure: Rebuilt.
4373 * flags.h: Add new flags for haifa instruction scheduler.
4374 * genattrtab.c (expand_units): For haifa, don't subtract one
4375 when computing blockage.
4376 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
4377 (flag_schedule_speculative): Ditto.
4378 (flag_schedule_speculative_load): Ditto.
4379 (flag_schedule_speculative_load_dangerous): Ditto.
4380 (flag_schedule_reverse_before_reload): Ditto.
4381 (flag_schedule_reverse_after_reload): Ditto.
4382 (flag_branch_on_count_reg): Ditto.
4383 (f_options): Add Haifa switches.
4384 (main): Turn off some Haifa options if appropriate macro is
4385 defined. Process Haifa switches.
4386 * unroll.c (iteration_info): No longer static, since Haifa
4388 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
4389 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
4390 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
4391 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
4392 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
4393 storage for the Haifa scheduler.
4394 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
4396 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
4397 are defined, call analyze_loop_iterations and insert_bct to use
4399 (record_giv): Refine test for jumps out of loops if HAIFA is
4401 (analyze_loop_iterations): New function to identify if we can use
4403 (insert_bct): Insert countdown loop.
4404 (instrument_loop_bct): Low level code to insert countdown loop.
4405 (loop_number): Calculate UID of loop.
4406 (indirect_jump_in_function_p): Return true if an indirect jump is
4408 (is_power_of_2): Return true if value is a power of 2.
4409 (is_conditional_branch): Return true if insn is a conditional
4411 (fix_bct_param): Process -fbct-{min,max}-N switches.
4412 (check_bct_param): Return true if loop should be instrumented.
4413 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
4414 (loop_optimize): Initialize.
4415 (get_condition_for_loop): Ditto.
4416 * loop.c (strength_reduce): Inside of code that uses #ifdef
4417 HAVE_decrement_and_branch_on_count code, test it to make sure the
4419 (instrument_loop_bct): Ditto.
4420 * haifa-sched.c: New file.
4423 * Integrate regmove pass.
4424 * Makefile.in (OBJS): Add regmove.o
4425 (regmove.o): Add dependencies.
4426 * flow.c (find_use_as_address): No longer static.
4427 * rtl.h (find_use_as_address): Declare.
4428 * toplev.c (regmove_dump, flag_regmove): Define.
4429 (f_options): Add -fregmove.
4430 (regmove_dump_file, regmove_time): Define.
4431 (fatal_insn): Close the regmove dump file.
4432 (compile_file): Initialize regmove_time; open/close the regmove dump
4433 file as needed. Print regmove time as needed.
4434 (rest_of_compilation): Run regmove pass if requested, dump
4435 RTL after regmove if requested.
4436 (main): If -O2 or more, turn on regmove. Handle dump switches.
4437 * regmove.c: New file.
4439 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
4441 * Integrate tlink patch from jason@cygnus.com
4442 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
4443 (process_command): Increment n_switches for them. Don't discard
4444 their args. Validate them.
4445 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
4447 (process_command): Set include_prefixes from COMPILER_PATH.
4448 (main): Set COLLECT_GCC_OPTIONS sooner.
4449 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
4450 * tlink.c, hash.c, hash.h: New files.
4451 * Makefile.in (USE_COLLECT2): Always use collect2.
4452 (collect2): Depend on and link in hash.o and tlink.o.
4453 (tlink.o, hash.o): Add dependencies.
4455 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
4457 * Integrate alias analysis changes from jfc@mit.edu
4458 * Makefile.in (OBJS): Add alias.o
4459 (alias.o): Add dependencies.
4460 * alias.c: New file.
4461 * sched.c: Remove alias analysis code. It lives in alias.c now.
4462 (sched_analyze_2): Add new arguments to true_dependence.
4463 (schedule_insns): Always call init_alias_analysis.
4464 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
4465 mark return value from such functions as a pointer and keep track of
4466 them for alias analysis. If a return value from a function is a
4467 pointer, mark it as such.
4468 * combine.c (distribute_notes): Handle REG_NOALIAS.
4469 * cse.c (struct write_data): Delete. No longer needed.
4470 (invalidate): Don't call set_nonvarying_address_components anymore.
4471 Use true_dependence to decide if an entry should be removed from
4473 (invalidate_memory): Remove WRITES argument, simplify appropriately.
4475 (note_mem_written): Similarly for WRITE_PTR argument.
4476 (invalidate_from_clobbers): Similarly for W argument.
4477 (invalidate_for_call): Remove memory elements from the hash table.
4478 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
4479 (cse_rtx_varies_p): New function. Derived from old
4480 cse_rtx_addr_varies_p.
4481 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
4482 Don't call note_mem_written anymore. Stack pushes invalidate the stack
4483 pointer if PUSH_ROUNDING is defined. No longer need to call
4484 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
4485 (skipped_writes_memory): Remove variable.
4486 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
4487 (invalidate_skipped_block): Simplify for new alias analysis code.
4488 (cse_set_around_loop): Likewise.
4489 (cse_main): Call init_alias_analysis.
4490 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
4491 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
4492 (f_options): Add new alias checking arguments.
4493 (main): Set flag_alias_check when optimizing.
4494 * local_alloc (validate_equiv_mem_from_store): Add new arguments
4496 (memref_referenced_p): Likewise.
4497 * loop.c (NUM_STORES): Increase to 30.
4498 (prescan_loop): Only non-constant calls set unknown_address_altered.
4499 (invariant_p): Add new arguments to true_dependence.
4500 (record_giv): Initialize unrolled and shared fields.
4501 (emit_iv_add_mult): Call record_base_value as needed.
4502 * loop.h (struct induction): Add unrolled and shared fields.
4503 * unroll.c (unroll_loop): Call record_base_value as needed.
4504 (copy_loop_body): Likewise.
4505 (final_biv_value): Likewise.
4506 (final_giv_value): Likewise.
4507 (find_splittable_regs): Likewise. Only create one new pseudo
4508 if we have multiple address GIVs that were combined with the same
4509 dst_reg GIV. Note when a new register is created due to unrolling.
4510 * rtl.c (reg_note_name): Add REG_NOALIAS.
4511 * rtl.h (enum reg_note): Similarly.
4512 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
4513 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
4514 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
4515 (true_dependence, read_dependence, anti_dependence): Likewise.
4516 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
4517 (mark_user_reg, mark_reg_pointer): Likewise.
4520 * Integrate reload bugfix from Wilon which enables the PA port
4522 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
4523 OPERAND_ADDRESS when computing how many registers an insn needs.
4524 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
4526 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
4528 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
4529 in reload_reg_use_in_op_addr do not reach the end.
4530 do not reach the end.
4531 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
4532 RELOAD_FOR_OPERAND_ADDRESS.
4534 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
4536 * egcs project officially starts.
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