1 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
3 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
5 (get_shift_alg): Fix typo.
7 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
9 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
11 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
13 * toplev.c (get_run_time): Make sure each case gets its variables.
15 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
17 * configure.in (build_xm_file): Add auto-config.h if host=build.
18 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
19 (build_xm_file_list): Likewise.
22 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
24 * recog.c (validate_replace_rtx_1): Only perform substitutions
25 of arguments to commutative and comparison operators once.
27 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
29 * sparc.c (output_cbranch): Add default case in
32 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
33 (emit_delay_sequence): Eliminate unused parameter, all callers
35 (fill_simple_delay_slots): Likewise.
36 (fill_slots_from_thread): Likewise.
37 (fill_eager_delay_slots): Likewise.
38 (mark_referenced_resources): Add default case in enumeration switch.
39 (mark_set_resources): Likewise.
40 (rare_destination): Likewise.
41 (mostly_true_jump): Likewise.
42 (find_dead_or_set_registers): Likewise.
43 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
44 (update_reg_unused_notes): Remove unused variable `p'.
45 (mark_target_live_regs): Remove unused variables `next' and
47 (fill_simple_delay_slots): Remove unused variable `j'.
48 (fill_slots_from_thread): Add parentheses around assignment used
50 (dbr_schedule): Likewise.
52 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
53 (objc.stage2, objc.stage3, objc.stage4): Likewise.
55 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
57 * cse.c (simplify_ternary_operation): Don't try to simplify
58 IF_THEN_ELSE expressions (created by combine) that don't use
61 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
63 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
66 * crtstuff.c (init_dummy): Keep the epilogue in the init
67 section for non-ELF systems.
69 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
71 * sh.md (movqi_i+1): New peephole.
73 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
75 * Makefile.in: Remove remaining bytecode stuff.
76 * emit-rtl.c, expr.c: Likewise.
78 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
80 * toplev.c (lang_options): Add unknown-pragma options.
82 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
84 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
85 special (and incomplete) handling for Chill arrays.
87 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
89 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
92 Fri Jan 23 00:19:36 1998 Gavin Kock (gavin@cygnus.com)
94 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
96 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
98 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
99 .frame directive instead of FRAME_POINTER_REGNUM.
101 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
103 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
104 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
105 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
106 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
107 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
108 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
109 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
110 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
112 * longlong.h: Replace __mc68332__ with __mcpu32__.
114 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
116 * version.c: Bump for snapshot.
118 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
120 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
121 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
122 * reload1.c (eliminate_regs): Likewise.
124 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
126 * regmove.c (find_matches): Initialize matches->earlyclobber too.
128 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
130 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
131 (negsf2, negdf2): Use proper subtract in IEEE mode.
133 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
135 * Makefile.in: Remove more bytecode stuff.
136 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
137 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
138 * f/install.texi, objc/Make-lang.in: Likewise.
140 * Makefile.in: Remove all bytecode support.
141 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
142 * emit-rtl.c: Remove all bytecode support.
143 * expr.c, expr.h function.c, integrate.c: Likewise.
144 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
145 * tree.h, varasm.c: Likewise.
146 * config/m68k/m68k.h: Likewise.
147 * bi-*, bc-*, bytecode*: Delete bytecode related files.
148 * modemap.def: Likewise.
150 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
152 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
153 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
155 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
157 * i386.md (push): Prohibit symbolic constants if flag_pic.
158 (movsi+1): Likewise for move to non-register.
160 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
162 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
163 (print_operand): Handle 0xffffffff on 32 bit host.
165 * configure.in (thread_file): Rename uses before main loop to
166 target_thread_file. Initialize to empty in main loop. Set thread_file
167 to target_thread_file after main loop if not set.
168 * configure: Rebuild.
170 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
171 (add_values_to_cover): Revert last change (which had no ChangeLog
173 (simplify_with_current_value_aux): Handle CONST_INT.
175 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
177 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
179 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
181 * configure.in: Add cpp stringify test.
182 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
183 * gengenrtl.c: Use it.
184 * configure, config.in: Rebuild.
186 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
188 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
190 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
192 * configure.in: Find declaration for sbrk.
193 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
194 * config.in, configure: Rebuild.
195 * mips-tfile.c: Properly protect declaration of sbrk and free.
196 * toplev.c: Properly protect declaration of sbrk.
198 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
200 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
202 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
204 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
206 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
208 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
210 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
212 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
213 constant offset computations from objects with known alignment in
214 the presence of STACK_BIAS.
216 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
218 (const_hash): Hash val is unsigned long.
221 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
223 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
224 char pointer, not HOST_WIDE_INT.
225 (print_node): Likewise. Also hash is unsigned long not
228 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
230 * explow.c (optimize_save_area_alloca): New function for targets
231 where SETJMP_VIA_SAVE_AREA is true.
232 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
233 compute the amount of stack space needed should we find later that
234 setjmp is never called by this function, stuff rtl for this inside
235 a REG_NOTE of the final SET of stack_pointer_rtx.
236 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
237 current_function_calls_alloca, call optimize_save_area_alloca.
239 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
241 * i386.md: Remove redundant integer push patterns.
242 Don't bother checking for TARGET_PUSH_MEMORY when
243 pushing constants or registers.
245 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
246 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
248 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
249 (pwait): New function for mingw32.
251 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
252 pipe support is broken for now.
254 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
256 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
257 between frame_pointer_rtx, hard_frame_pointer_rtx, and
258 arg_pointer_rtx is respected in initialization.
259 (init_emit_once): Use gen_rtx_raw_REG() to create
260 return_address_pointer_rtx.
262 * reorg.c: #include "expr.h" for rtx prototypes.
263 * Makefile.in (reorg.o): Depend on expr.h
265 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
267 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
268 local_prefix to sub-make invocations.
270 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
272 * objc-parse.c: Recognize protocol qualifiers in class definitions.
274 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
278 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
279 * configure.in: Check for atol.
280 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
282 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
284 * loop.c (find_and_verify_loops): When attempting to move insns from
285 inside the loop outside the loop, create a BARRIER if no suitable
288 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
289 favor of an equivalent change from gcc-2.8.
291 * i386/x-sco5 (CC): Remove trailing whitespace.
293 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
295 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
296 (accessor_from_format): Likewise.
297 (xmalloc): New function for use when linking with alloca.o.
299 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
301 * frame.c (find_fde): Correct FDE's upper bound.
303 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
305 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
307 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
309 * calls.c (expand_call): Move #ifdef code out of macro argument
311 (emit_library_call, emit_library_call_value): Likewise.
313 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
315 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
317 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
319 * version.c: Bump for snapshot.
321 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
323 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
324 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
325 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
326 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
327 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
328 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
329 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
330 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
331 * unroll.c, varasm.c: Likewise.
332 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
334 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
336 * mips.h: Fix some type-o's from a previous change.
338 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
340 * loop.c (check_dbra_loop): Make sure initial value is a
341 CONST_INT before trying to normalize it.
343 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
345 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
347 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
349 * cppexp.c: Include gansidecl.h
351 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
353 * svr4.h (LINK_SPEC): Never specify -h.
354 * ptx4.h (LINK_SPEC): Likewise.
355 * rs6000/sysv4.h (LINK_SPEC): Likewise.
356 * sparc/sol2.h (LINK_SPEC): Likewise.
358 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
360 * c-typeck.c (comptypes): Exit early on NULL input.
362 * haifa-sched.c (schedule_insns): Correctly remove inter-block
363 dependencies after reload.
365 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
367 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
369 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
371 * alpha/vms.h (DIR_SEPARATOR): define
373 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
375 * Makefile.in (stamp-proto): Remove.
376 (protoize.o, unprotoize.o): Straightforward compile.
377 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
379 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
381 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
382 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
384 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
386 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
387 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
388 * sparc/netbsd.h, vax/netbsd.h: Likewise.
390 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
392 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
394 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
396 * configure.in (target_cpu_default, target_cpu_default2): Use double
397 quotes around them when testing their value.
398 * configure: Rebuilt.
400 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
402 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
404 (gendef): Call obstack_alloc_rtx.
406 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
408 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
411 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
413 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
414 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
415 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
417 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
419 * mips.md (return_internal): Change mode from SImode to VOIDmode.
421 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
423 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
426 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
428 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
429 suffix from operand 3.
431 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
432 Jeffrey A Law (law@cygnus.com)
434 * regmove.c: New implementation of regmove pass.
435 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
436 decls, make them have external linkage. Return a value from
438 * reload.h (count_occurrences): Add decl.
439 * reload1.c (count_occurrences): Delete decl, make it have external
441 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
443 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
445 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
446 if it is not defined.
448 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
450 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
451 * emit-rtl.c (gen_rtx): Move special code to ...
452 (gen_rtx_CONST_INT): New function.
453 (gen_rtx_REG): New function.
454 (*): Update all calls to gen_rtx.
455 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
456 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
457 (GEN_INT): Call gen_rtx_CONST_INT.
458 * gengenrtl.c: New file.
460 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
462 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
463 (base_alias_check): If no base found for address call canon_rtx and
466 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
468 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
469 arguments for mips16.
470 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
471 Don't lose if tsize is zero after handling large stack for mips16.
472 * mips.md (return): For trivial return, return address is in $31.
474 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
476 * mips/mips16.S: Various changes to make it work with -msingle-float
479 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
480 Ian Lance Taylor <ian@cygnus.com>
481 Jeff Law <law@cygnus.com>
483 * mips.c, mips.h, mips.md: First cut at merging in mips16
484 support. Major modifications throughout all three files.
486 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
488 * configure.in: Make gthr-default.h a forwarding header instead of
491 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
493 * gcov-io.h: Include sys/types.h to ensure we get size_t.
495 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
497 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
498 Jeffrey A Law (law@cygnus.com)
500 * crtstuff.c (__frame_dummy): New function for irix6.
501 (__do_global_ctors): Call __frame_dummy for irix6.
502 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
504 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
506 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
508 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
510 * c-decl.c (init_decl_processing): Provide proper fallback symbol
511 for __builtin_memset.
512 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
513 not INTEGER_CST. Assert arg 3 is a constant.
515 * alpha.c (mode_width_operand): Accept 64-bit modes.
516 (mode_mask_operand): Likewise.
517 (print_operand): Likewise for 'M' and 'U' codes.
518 (alpha_expand_unaligned_load): New function.
519 (alpha_expand_unaligned_store): Likewise.
520 (alpha_expand_unaligned_load_words): Likewise.
521 (alpha_expand_unaligned_store_words): Likewise.
522 (alpha_expand_block_move): Likewise.
523 (alpha_expand_block_clear): Likewise.
524 * alpha.h (MOVE_RATIO): New define.
525 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
526 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
528 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
529 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
531 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
533 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
536 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
538 * emit-rtl.c (operand_subword): Correctly handle extracting a word
539 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
541 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
544 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
546 * configure.in: Set and subsitute host_exeext. Use it when creating
547 the assembler and linker symlinks.
548 * configure: Rebuild.
549 * Makefile.in (exeext): Set to @host_exeext@.
550 (build_exeext): New variable, set to @build_exeext@.
551 (FLAGS_TO_PASS): Pass down build_exeext.
552 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
555 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
557 * mn10200.md (addsi3, subsi3): Fix thinkos.
559 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
561 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
562 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
563 unix always, since we want to be able to thunk to functions in a
564 shared library from an application.
566 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
568 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
569 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
571 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
573 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
574 offset's mode is not ptr_mode, convert it.
576 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
578 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
579 compiling if it was already defined.
581 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
583 * flow.c (find_basic_blocks): Don't create a new basic block
584 for calls in a LIBCALL block.
586 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
588 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
590 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
592 * cse.c (rtx_cost): Remove conflicting default case.
594 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
596 * configure.in: Move default enabling of Haifa out of for loop.
597 * configure: Rebuild.
599 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
601 * version.c: Bump for snapshot.
603 1997-12-25 Teemu Torma <tot@trema.com>
605 * Makefile.in (GTHREAD_FLAGS): New var.
606 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
607 (distclean): Remove gthr-default.h.
609 * configure.in: Accept dce as a thread package.
610 Check for thread.h and pthread.h.
611 Link gthr-default.h to appropriate thread file and set
613 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
614 include multilib definitions from pa/t-dce-thr.
615 (sparc-*-solaris2*): Enable threads by default, if thread.h or
616 pthread.h is found, preferring posix threads over solaris ones.
618 * config/pa/t-dce-thr: New file.
619 * config/pa/t-pa: Removed multilibs.
620 * config/sparc/t-sol2: Ditto.
623 * gthr-single.h: New file.
624 * gthr-posix.h: New file.
625 * gthr-solaris.h: New file.
626 * gthr-dce.h: New file.
627 * libgcc-thr.h: Removed.
628 * objc/thr-dce.c: New file copied from thr-decosf1.c.
630 * frame.c: Include gthr.h instead of libgcc-thr.h.
631 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
632 (eh_context_initialize): If __gthread_once fails, use static eh
634 (eh_context_free): Call __gthread_key_dtor.
636 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
638 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
640 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
642 * cse.c (max_insn_uid): New variable.
643 (cse_around_loop): Use max_insn_uid.
644 (cse_main): Set max_insn_uid.
646 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
647 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
648 -mlong64, and -mgp{32,64} options.
649 * mips.c (mips_abi): Change type to int.
650 * mips.h (enum mips_abi_type): Delete.
651 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
652 (mips_abi): Change type to int.
654 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
656 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
657 optimization is now always enabled.
659 * calls.c (expand_call): Recognize C++ operator new as malloc-like
662 * alias.c (memrefs_conflict_p): Eliminate tests now done by
664 (*_dependence): Call canon_rtx before base_alias_check.
665 (init_alias_once): New function to precompute set of registers which
666 can hold Pmode function arguments.
668 * rtl.h: Declare init_alias_once.
670 * toplev.c (compile_file): Call init_alias_once.
672 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
674 * tree.c (restore_tree_status): Do not dereference a null pointer.
676 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
678 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
679 RLIMIT_STACK. This maintains consistency with the recent, similar
680 patch to cccp.c and toplev.c.
682 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
684 * genattrtab.c (expand_units): For large nr opclasses, expand
685 function_units_used with ORX to prevent blowups. Tag with FFS.
686 (num_unit_opclasses): New variable.
687 (gen_unit): Update it.
688 (enum operator): Add ORX_OP.
689 (operate_exp): Treat ORX as or, except don't expand across an if.
690 Reuse number rtx's after operating on them.
691 (check_attr_value): Accept IOR, AND, & FFS.
692 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
693 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
694 (write_expr_attr_cache, write_toplevel_expr): New functions.
695 (write_attr_get): Handle FFS-tagged expressions.
696 (make_canonical): Don't expand const attributes.
697 (convert_const_symbol_ref): Dike out.
698 (evaluate_eq_attr): Handle SYMBOL_REF.
699 (main): Don't emit get_attr_foo for const attributes.
701 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
702 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
703 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
704 * alpha.md: Redo all of the scheduling, adding EV6 support, and
705 combining function units where possible.
706 (attr "type"): Split loads, stores, cmov into int/fp. Combine
707 multiplies and divides. Add EV6 sqrt, ftoi, itof.
708 (attr "opsize"): New attribute.
709 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
710 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
711 to control register allocation.
712 (movsi2-1, movdi2-1): Likewise.
714 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
716 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
717 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
718 Move OSF/1 specific defines out.
719 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
720 Move Linux specific defines out.
721 (LINK_SPEC): Genericize.
722 (ASM_FILE_START): Emit .arch if using more than the base insn set.
723 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
724 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
725 (HANDLE_SYSV_PRAGMA): Define.
726 * alpha/osf.h: New file.
727 * alpha/linux.h: Split. Retain file-format independant defines.
728 Import Linux bits from elf.h.
729 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
730 (FUNCTION_PROFILER): _mcount takes its address in $28.
731 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
732 * alpha/linux-ecoff.h: New file.
733 * alpha/linux-elf.h: New file.
734 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
735 * alpha/win-nt.h (TARGET_DEFAULT): Define.
736 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
737 Add new headers as appropriate.
739 * configure.in (alpha*): Enable Haifa by default.
740 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
741 * configure: Rebuild.
743 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
745 * Makefile.in (clean): Remove the stages with their objects here ...
746 (distclean): ... instead of here.
748 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
750 * cse.c (rtx_cost): Add default case in enumeration switch.
751 * fix-header.c (recognized_macro): Likewise.
752 (recognized_extern): Likewise.
753 (write_rbrac): Likewise.
754 * objc/objc-act.c (encode_aggregate): Likewise.
755 (gen_declarator): Likewise.
756 (gen_declspecs): Likewise.
758 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
760 * haifa-sched.c (create_reg_dead_note): Detect and handle another
761 case where we kill more regs after sched than were killed before
763 * sched.c (create_reg_dead_note): Similarly.
765 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
767 * c-pragma.c: Include flags.h.
769 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
771 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
772 about system headers.
773 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
774 and also to resolve symbols in prefix.c.
776 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
777 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
778 when the definitions in auto-config.h is not visible.
779 (HAVE_BZERO): Likewise.
780 (HAVE_BCMP): Likewise.
781 (HAVE_RINDEX): Likewise.
782 (HAVE_INDEX): Likewise.
784 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
786 * pa.c (emit_move_sequence): Handle a function label source
789 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
791 * c-pragma.c (handle_pragma_token): Generate warning messages
792 about unknown pragmas if warn_unknown_pragmas is set.
794 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
795 line option to set variable: warn_unknown_pragmas.
797 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
799 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
801 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
803 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
805 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
806 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
807 generate more fine grained floating point emulation libraries.
808 * config/fp-bit.c: Add protecting #ifdef to all functions so
809 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
810 then compile all suitable functions.
811 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
812 underscores to avoid namespace pollution.
813 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
815 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
819 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
820 Jeff Law <law@cygnus.com>
822 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
824 * c-decl.c (finish_decl): Use parentheses around && within ||.
825 * rtl.c: Include stdlib.h.
826 (read_skip_spaces): Add parentheses around assignments used as
828 (read_rtx): Initialize list_rtx.
829 * cppexp.c (parse_number): Use || when operands are truth values.
830 * alias.c (find_base_value): Add default case.
831 (memrefs_conflict): Likewise.
832 * combine.c (sets_function_arg_p): Likewise.
833 * genemit.c (gen_exp): Likewise.
834 * local-alloc.c (contains_replace_regs): Likewise.
835 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
836 * fold-const.c (fold_convert): Use "&&" for truth values.
837 (fold): Add default case.
838 * sdbout.c (sdbout_field_types): Fix typo in declaration.
839 (sdbout_one_type): Add default case.
840 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
841 (some_operand): Add default case.
842 (input_operand): Likewise.
843 (signed_comparison_operator): Likewise.
844 (divmod_operator): Likewise.
845 (alpha_set_memflags_1): Likewise.
846 * reload1.c (reload_cse_simplify_operands): Ensure function
847 always returns a value.
848 * scan-decls.c (scan_decls): Likewise.
849 * c-lex.c (skip_white_space): Fix typo in declaraion.
850 * c-typeck.c (comp_target_types): Add parentheses around assignment
852 (print_spelling): Likewise.
853 (constructor_implicit, constructor_result): Remove unused variables.
854 * collect2.c (scan_library): Protect prototype with
855 #ifdef SCAN_LIBRARIES.
856 * emit-rtl.c (find_line_note): Fix typo in declaration.
857 * final.c (asm_insn_count): Protect prototype with
858 #ifdef HAVE_ATTR_length.
859 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
860 (try_pre_increment_1, try_pre_increment): Likewise.
861 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
862 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
863 * gcov-io.h (__store_long, __write_long, __read_long): Fix
864 unsigned/signed comparisons.
865 * gcov.c (read_files): Remove unused "first_type" variable.
866 (scan _for_source_files): Initialize s_ptr.
867 (function_summary): Eliminate "%lf" formatting, use %ld for
869 (output_data): Initialize branch_probs and last_line_num.
870 Eliminate "%lf" formatting, use "%ld" for longs.
872 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
874 * mips16.S: New file.
876 * libgcc2.c (varargs): Handle mips16.
878 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
880 * stmt.c (expand_end_case): Likewise.
881 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
882 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
883 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
885 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
887 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
889 (libobjc.a): Update dependency list.
890 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
892 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
893 (objc.mostlyclean): Remove runtime-info.h.
895 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
897 * tree.c (build_range_type): Allow creation of ranges with no maximum.
898 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
899 * dwarf2out.c (add_subscript_info): Likewise.
900 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
901 * sdbout.c (plain_type_1): Likewise.
902 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
904 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
907 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
909 * mips.c (fatal): Remove declaration.
911 1997-12-18 Mark Mitchell <mmitchell@usa.net>
913 * integrate.c (get_label_from_map): New function.
914 (expand_inline_function): Use it. Initialize the label_map to
915 NULL_RTX instead of gen_label_rtx.
916 (copy_rtx_and_substitute): Use get_label_from_map.
917 * integrate.h (get_label_from_map): New function.
918 (set_label_from_map): New macro.
919 * unroll.c (unroll_loop): Use them.
920 (copy_loop_body): Ditto.
922 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
924 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
925 (INIT_TARGET_OPTABS): Define.
926 * mips/ecoff.h: Include gofast.h before mips.h.
927 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
928 * mips/elf64.h: Likewise.
929 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
931 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
933 * except.c: Remove register_exception_table{,_p}.
935 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
937 * unroll.c (calculate_giv_inc): Handle constant increment found in
938 a MEM with an appropriate REG_EQUAL note.
940 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
942 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
943 frame pointer in the prologue.
945 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
947 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
948 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
950 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
952 * config/m68k/m68k.c (output_function_prologue): Typecast
953 dwarf2out_cfi_label to (char *).
954 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
956 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
958 * sparc.md (jump): Don't use the annul bit around an empty loop.
959 Patch from Kevin.Kelly@East.Sun.COM.
961 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
963 * jump.c: (jump_optimize): Don't use the return register as a
964 source1 of a conditional move.
966 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
968 * sparc.c (DF_MODES): Or the mask not the bit number.
969 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
971 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
973 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
975 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
977 * fixincludes (size_t): Add support for Motorola's stdlib.h
978 which fails to provide a definition for size_t.
979 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
980 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
981 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
983 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
984 prevent unresolved externals in libio.
985 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
987 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
989 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
990 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
991 (LIB_SPEC): Updated for glibc 2.
993 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
995 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
996 * ginclude/varargs.h: Likewise.
998 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
1000 * version.c: Bump for snapshot.
1002 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
1004 * frame.h (__register_frame, __register_frame_table,
1005 __deregister_frame): New.
1006 * frame.c (__register_frame, __register_frame_table,
1007 __deregister_frame): New.
1008 * frame.c (__deregister_frame_info): Return void *.
1009 * frame.h (__deregister_frame_info): Ditto.
1010 * collect2.c (__deregister_frame_info): Ditto.
1012 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
1014 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
1016 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
1018 * alpha.c (alpha_cpu_name): New variable.
1019 (alpha_mlat_string): Likewise.
1020 (alpha_memory_latency): Likewise.
1021 (override_options): Handle -mmemory-latency.
1022 (alpha_adjust_cost): Adjust load cost for latency.
1023 * alpha.h (TARGET_OPTIONS): Add meory-latency.
1024 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
1025 TARGET_CIX into account.
1026 (MEMORY_MOVE_COST): Define in terms of memory_latency.
1027 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
1029 * alpha.h (ASM_COMMENT_START): New macro.
1031 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
1033 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
1034 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
1036 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1037 SUBREG_REG if the word count is unchanged.
1038 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
1039 subregs of identical word size for push_reload.
1041 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
1043 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
1044 if all we're doing is dealing with -Wreturn-type.
1046 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
1048 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
1049 Use and 255 instead of zapnot 1, since it schedules better.
1051 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
1053 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
1056 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
1058 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
1059 dependency we delete. Properly update prev for multiple consecutive
1061 (priority): Skip deleted dependence.
1063 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
1065 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
1067 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1069 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
1070 determining when a new basic block starts.
1072 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
1074 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
1075 * pa.md (iorsi3): Add missing args to *_operand calls.
1077 * except.c (call_get_eh_context): Don't mess with sequences.
1078 (emit_eh_context): Include the call in the sequence here.
1080 1997-12-11 Paul Eggert <eggert@twinsun.com>
1082 * collect2.c (write_c_file_glob): Allocate initial frame object
1083 in static storage and pass its address.
1085 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1087 * except.c (call_get_eh_context): Don't take a parm.
1088 Put the call at the top of the function.
1089 (emit_eh_context): Adjust.
1090 (get_eh_context): Replace with former use_eh_context.
1091 (get_eh_context_once, get_saved_pc_ref): Remove.
1092 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
1094 * integrate.c (expand_inline_function): Adjust.
1095 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
1097 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
1099 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
1100 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
1102 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
1104 * fixincludes (strlen,strspn,strcspn return value): Handle different
1106 (hypot): Provide a fake for hypot which is broken on
1107 m88k-motorola-sysv3.
1109 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
1111 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
1112 tree_code_name from pointers to arrays.
1113 * tree.c: Remove standard_tree_code_* variables, no longer used.
1114 * print-tree.c: Remove declaration of tree_code_name.
1116 * cp/lex.c (init_lex): Update for tree_code_* changes.
1117 * objc/objc-act.c (init_objc): Likewise.
1119 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
1122 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
1124 * config.sub: Add support for BeOS target.
1125 * configure.in: Likewise.
1126 * ginclude/stdarg.h: Likewise.
1127 * ginclude/stddef.h: Likewise.
1128 * ginclude/varargs.h: Likewise.
1129 * rs6000/beos.h: New file for BeOS.
1130 * rs6000/t-beos: Likewise.
1131 * rs6000/x-beos: Likewise.
1132 * rs6000/xm-beos.h: Likewise.
1133 * toplev.c (get_run_time): Just return 0 on BeOS.
1135 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
1136 Toon Moene (toon@moene.indiv.nluug.nl)
1138 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
1139 old and broken Sun3 assemblers. Newer versions handle large
1140 offsets correctly as does the GNU assembler.
1142 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1144 * objc/objc-act.c (lang_report_error_function): Disable.
1145 * objc/objc-parse.y: Include "output.h".
1146 (yyerror): Remove redundant decl.
1147 (yyprint): Fix prototype.
1148 (apply_args_register_offset): Remove redundant decl.
1149 (get_file_function_name): Likewise.
1151 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
1153 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
1155 (find_basic_blocks_1): Likewise.
1157 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1159 * except.c (use_eh_context): Don't copy_rtx a REG.
1160 (emit_throw): Lose old unwinder support.
1161 (expand_internal_throw): Likewise.
1162 * libgcc2.c (struct eh_context): Likewise.
1163 (new_eh_context): Likewise.
1164 (__get_eh_info): Lose redundant cast.
1165 (__get_dynamic_handler_chain): Likewise.
1166 (__get_saved_pc): Lose.
1167 Lose all old unwinder support code.
1169 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
1171 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
1173 * integrate.c (expand_inline_function): If the inline fn uses eh
1174 context, make sure that the current fn has one.
1175 * toplev.c (rest_of_compilation): Call emit_eh_context.
1176 * except.c (use_eh_context): New fn.
1177 (get_eh_context_once): New fn.
1178 (call_get_eh_context): New fn.
1179 (emit_eh_context): New fn.
1180 (get_eh_context): Call either get_eh_context_once or
1181 call_get_eh_context, depending on what we have.
1182 (get_dynamic_handler_chain): Call get_eh_context_once.
1183 * except.h: Prototypes for fns above.
1184 * optabs.c (get_eh_context_libfunc): Removed.
1185 (init_optabs): Don't initialize it.
1186 * expr.h (get_eh_context_libfunc): Removed.
1187 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
1188 * config/pa/pa.h (CPP_SPEC): Support for -threads.
1189 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
1190 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
1191 New multilib for -threads.
1192 * config/sparc/t-sol2: Added multilibs for -threads and
1193 made -pthreads alias to it.
1194 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
1195 Added -threads and -pthreads options.
1196 * libgcc-thr.h: New file.
1197 * libgcc2.c: (__get_cpp_eh_context): Removed.
1198 (struct cpp_eh_context): Removed.
1199 (struct eh_context): Replaced cpp_eh_context with generic language
1201 (__get_eh_info): New function.
1202 (__throw): Check eh_context::info.
1204 * libgcc2.c: Include libgcc-thr.h.
1205 (new_eh_context, __get_eh_context,
1206 eh_pthread_initialize, eh_context_initialize, eh_context_static,
1207 eh_context_specific, eh_context_free): New functions.
1208 (get_eh_context, eh_context_key): New variables.
1209 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
1210 get_eh_context to get the context.
1211 (longjmp): Move the declaration inside
1212 #ifdef DONT_USE_BUILTIN_SETJMP.
1213 * frame.c: Include libgcc-thr.h.
1214 (object_mutex): Mutex to protect the object list.
1215 (find_fde, __register_frame, __register_frame_table,
1216 __deregister_frame): Hold the lock while accessing objects.
1217 * except.h (get_eh_context): Declare.
1218 * except.c (current_function_ehc): Define.
1219 (current_function_dhc, current_function_dcc): Removed.
1220 (get_eh_context): New function.
1221 (get_dynamic_handler_chain): Use get_eh_context.
1222 (get_saved_pc_ref): Ditto.
1223 (get_dynamic_cleanup_chain): Removed references to
1224 current_function_dcc.
1225 (save_eh_status, restore_eh_status): Save and restore
1226 current_function_ehc instead.
1227 * optabs.c (get_eh_context_libfunc): New variable.
1228 (init_optabs): Initialize it.
1229 * expr.h: Declare get_eh_context_libfunc.
1230 * function.h (struct function): Replaced dhc and dcc with ehc.
1231 * except.c (get_saved_pc_ref): New functions.
1232 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
1233 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
1235 (end_eh_unwinder): Likewise.
1236 (init_eh): Remove initialization of eh_saved_pc.
1237 * optabs.c (get_saved_pc_libfunc): New variable.
1238 (init_optabs): Initialize it.
1239 * expr.h: Declare get_saved_pc_libfunc.
1240 * except.h (eh_saved_pc_rtx): Deleted.
1241 (get_saved_pc_ref): Declared.
1243 From Scott Snyder <snyder@d0sgif.fnal.gov>:
1244 * libgcc2.c (__get_saved_pc): New.
1245 (__eh_type, __eh_pc): Deleted.
1246 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
1247 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
1250 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
1252 * sparc/sol2.h: Use 64 bit multiply and divide functions in
1253 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
1256 * rtl.h (global_rtl): New variable, replacing separate variables for
1258 (const_int_rtx): Now array of rtx_def, not rtx.
1259 * emit-rtl.c: Update for new rtl data structures.
1260 * genattrtab.c: Define global_rtl.
1262 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
1264 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
1267 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
1269 * crtstuff.c (__do_global_ctors): Fix typo.
1271 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
1273 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1274 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1276 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
1278 * rs6000.h (FUNCTION_ARG_PADDING): Define.
1279 * rs6000.c (function_arg_padding): New function.
1281 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
1283 * m68k.c: Include tree.h only once.
1285 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1287 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
1289 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
1291 * Partially cleaned up prototyping code from HJ.
1292 * tree.h: Add many prototypes.
1293 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
1294 All references changed.
1295 * rtl.h: Protect from multiple inclusions. Add many prototypes.
1297 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
1299 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
1300 string functions like strlen.
1302 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
1304 * configure.in: Check for functions getrlimit and setrlimit.
1305 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1306 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1308 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
1310 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
1312 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
1314 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
1317 * alpha.c (override_options): Don't know about scheduling for EV6.
1318 * alpha.md (ev5 function units): Don't overload as ev6.
1320 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
1321 * alpha.md (define_attr type): Add mvi.
1322 (ev5_e0): Define sceduling parameters for it.
1323 (TARGET_MAX insns): Type is mvi not shift.
1325 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
1327 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
1329 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1331 * cstamp-h, auto-config.h: Delete.
1333 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
1335 * version.c: Bump for snapshot.
1337 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
1339 * cccp.c: Fix typo brought over in merge.
1341 * Merge in changes from gcc-2.8.
1343 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
1345 * m68k.c: Include tree.h for dwarf2out_cfi_label.
1347 * gcc.c (process_command): Do not take address of function fatal when
1348 calling lang_specific_driver.
1350 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
1352 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
1353 doesn't work with it yet, so set it to 0.
1354 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
1356 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1358 * cse.c (cse_insn): Check for invalid entries when taking references.
1360 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1362 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
1363 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
1364 * toplev.c (rest_of_compilation): Pass it. Remove code to
1365 save / clear / restore flag_unroll_{,all_}loops.
1367 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1369 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
1371 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
1373 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
1375 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
1377 * except.c (get_dynamic_handler_chain): Only make the call once per
1380 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
1382 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1384 * sh.c (final_prescan_insn): Use local label prefix
1385 when emitting .uses pseudo-ops.
1387 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1389 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
1390 * except.c: Lose outer_context_label_stack.
1391 (expand_eh_region_end): Rethrow from outer_context here.
1392 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
1393 (expand_internal_throw): Take no args.
1394 (expand_internal_throw_indirect): Lose.
1395 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
1396 (expand_start_all_catch): Start a rethrow region.
1397 (expand_end_all_catch): End it.
1398 (expand_rethrow): New fn.
1399 * except.h: Reflect above changes.
1400 * flow.c: Revert change of Nov 27.
1402 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
1404 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
1406 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1408 * except.c (expand_fixup_region_end): New fn.
1409 (expand_fixup_region_start): Likewise.
1410 (expand_eh_region_start_tree): Store cleanup into finalization here.
1411 * stmt.c (expand_cleanups): Use them to protect fixups.
1413 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
1415 * mips/mips.md (muldi3_r4000): Broaden the output template
1416 and attribute assignments to handle three operand dmult;
1417 rename to muldi3_internal2.
1418 (muldi3): Call the new muldi3_internal2 for R4000, and
1419 any GENERATE_MULT3 chip.
1421 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1423 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
1425 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
1427 * unroll.c (find_splittable_givs): Remove last change. Handle givs
1428 with a dest_reg that was created by loop.
1430 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
1432 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
1434 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
1436 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
1438 * configure.in: Fix NCR entries.
1440 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
1442 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
1443 nested exceptions correctly.
1445 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
1446 that was created by loop.
1448 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1450 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
1452 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
1454 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
1456 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
1457 (print_operand): Use SMALL_DATA_REG for the register involved in
1458 small data relocations.
1459 (print_operand_address): Ditto.
1461 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
1462 -dynamic linker is not used.
1464 * rs6000.md (call insns): For local calls, use @local suffix under
1465 System V. Don't use @plt under Solaris.
1467 * rs6000.c (output_function_profiler): Put label address in r0, and
1468 store LR in 4(sp) for System V/eabi.
1470 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
1471 byte boundary, and maintain stack backchain.
1473 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1475 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1476 fix_truncsfdi2): Change *.
1478 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
1480 * toplev.c (main): Complain about -gdwarfn.
1482 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
1484 * dwarfout.c (output_type): If finalizing, write out nested types
1485 of types we've already written.
1487 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
1489 (patches originally from Geoffrey Keating)
1490 * rs6000.c (function_arg): Excess floating point arguments don't
1491 go into GPR registers after exhausting FP registers under the
1493 (function_arg_partial_nregs): Ditto.
1495 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
1498 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
1500 * integrate.c (output_inline_function): Just unset DECL_INLINE.
1502 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
1504 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
1507 * libgcc2.c (__throw): Initialize HANDLER.
1509 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1511 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1512 fix_truncsfdi2): Change *X to ?*X.
1514 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
1516 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
1518 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
1520 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
1522 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
1524 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
1526 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
1528 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
1529 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
1532 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
1534 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
1535 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
1536 gas and not using the new HP assembler.
1538 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
1540 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
1541 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
1543 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
1545 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
1546 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
1549 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1551 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
1553 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1555 * except.h: Add outer_context_label_stack.
1556 * except.c: Likewise.
1557 (expand_start_all_catch): Push the outer_context for the try block
1558 onto outer_context_label_stack.
1559 (expand_end_all_catch): Use it and pop it.
1561 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
1563 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
1565 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
1567 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
1569 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
1571 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
1572 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1574 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
1576 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
1577 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
1578 __builtin_delete, and __builtin_vec_delete.
1580 * except.c (output_exception_table): Don't bother with
1583 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
1585 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
1586 is an in/out operand.
1587 (zero extended variants of stwm/stwm patterns): Similarly.
1589 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
1591 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
1593 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
1595 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
1596 (output_call_frame_info): Emit a \n after using it.
1598 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
1600 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
1602 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
1604 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
1605 (ASM_OUTPUT_DWARF_VALUE4): New macro.
1606 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
1608 (output_call_frame_info): Do not output forward label differences
1609 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
1610 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
1612 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1614 * sh.md (attribute "type"): Add nil.
1615 (movsi_ie): y/y alternative is type nil.
1616 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
1618 (movsf_ie+1): Delete.
1620 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
1622 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
1623 large_int, emit two insns instead of one splitable insn.
1624 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
1625 from cfa_temp_value, use cfa_offset. Add assert checking that
1628 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
1630 * cccp.c (deps_output): Properly quote file names for make.
1632 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
1634 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
1636 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
1638 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
1640 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
1642 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
1644 (cse_end_of_basic_block): Similarly.
1646 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
1648 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
1649 (SELECT_RTX_SECTION): Define.
1650 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
1652 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
1654 * Makefile.in (compare, compare-lean): Define $stage for each
1656 (gnucompare, gnucompare-lean): Likewise.
1658 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
1660 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
1662 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
1663 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1665 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
1667 * dwarfout.c (byte_size_attribute): Add local var upper_bound
1668 and add case to handle STRING_TYPE.
1669 * dwarfout.c (output_string_type_die): Fix code to generate
1670 correct string length attribute for fixed length strings.
1671 Still needs support for varying length strings.
1673 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
1675 * toplev.c (get_run_time): Do something sensible for cygwin32.
1677 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
1679 * expr.c (expand_builtin_setjmp): Set
1680 current_function_has_nonlocal_label.
1681 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
1682 call-saved registers across calls.
1684 * alpha.md (exception_receiver): Remove.
1685 (nonlocal_goto_receiver_osf): New
1686 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
1687 (nonlocal_goto_receiver): New, select _osf or _vms.
1689 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
1690 keep them from being propogated to the object file.
1691 (alpha_write_linkage): Likewise.
1692 * alpha.md (call_vms): Likewise.
1693 (call_value_vms): Likewise.
1694 (unnamed osf call insns): Likewise.
1696 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
1697 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1699 * alpha.c (call_operand): Any reg is valid for WinNT.
1700 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
1701 (anon nt calls): Add 'R' alternative.
1702 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
1703 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
1705 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
1707 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
1709 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
1710 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1711 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1713 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
1715 * reload1.c (new_spill_reg): Improve fixed or forbidden register
1716 spill error message.
1718 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1720 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
1721 use varargs.h. Wrap header with <>, not "".
1723 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
1725 * integrate.c (save_for_inline_copying): Add return value from
1728 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
1730 * fixincludes: Be a little more restrictive on what we will
1731 substitute to replace definitions of MAXINT for HPUX.
1733 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
1735 * dbxout.c (dbxout_symbol_location): Don't assume that variables
1736 whose address is the stack or argument pointers are indirect
1739 1997-11-13 Paul Eggert <eggert@twinsun.com>
1741 * cccp.c, cpplib.c (compare_defs):
1742 Don't complain about arg name respellings unless pedantic.
1743 * cpplib.c (compare_defs): Accept pfile as new arg.
1744 All callers changed.
1746 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1748 * fold-const.c (fold_truthop): Fix bug in last change.
1750 1997-11-13 Paul Eggert <eggert@twinsun.com>
1752 Fix some confusion with IEEE minus zero.
1754 * real.h (REAL_VALUES_IDENTICAL): New macro.
1756 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
1757 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
1759 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
1760 same tree structure as 0.0.
1762 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
1763 macro instead of doing it by hand.
1765 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
1767 * v850/lib1funcs.asm: Minor whitespace changes.
1768 * v850.c: Fix minor formatting problems in many places.
1769 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
1771 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
1773 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
1774 xplus1 when xplus0 is not a register.
1776 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
1778 * flow.c (find_basic_blocks): During marking phase, if we encounter
1779 an insn with a REG_LABEL note, make the target block live and
1780 create an edge from the insn to the target block. Do not make
1781 edges from all blocks to the target block.
1783 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
1785 * confiugre.in: Tweak NCR entries.
1786 * configure: Rebuilt.
1788 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
1790 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
1791 pick apart floating point values, instead of using CONST_DOUBLE_LOW
1792 and CONST_DOUBLE_HIGH.
1794 * rs6000.md (define_splits for DF constants): Use the appropriate
1795 REAL_VALUE_* interface to pick apart DF floating point constants in
1796 a machine independent fashion.
1798 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1800 * fold-const.c (fold_truthop): When changing a one-bit comparison
1801 against zero into a comparison against mask, do a proper sign
1804 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
1806 * except.c: Do not include "assert.h".
1807 (save_eh_status): Turn asserts into conditional aborts.
1808 (restore_eh_status, scan_region): Likewise.
1809 * dwarfout.c: Do not include "assert.h".
1810 (bit_offset_attribute): Turn asserts into conditional aborts.
1811 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
1812 (output_inlined_structure_type_die): Likewise.
1813 (output_inlined_union_type_die): Likewise
1814 (output_tagged_type_instantiation): Likewise.
1815 (dwarfout_file_scope_decl): Likewise.
1816 * dwarf2out.c: Do not include "assert.h"
1817 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
1818 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
1819 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
1820 (add_bit_size_attribute, scope_die_for): Likewise.
1821 (output_pending_types_for_scope): Likewise.
1822 (get_inlined_enumeration_type_die): Likewise.
1823 (get_inlined_structure_type_die): Likewise.
1824 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
1825 (gen_tagged_type_instantiation_die): Likewise.
1827 * flow.c (find_basic_blocks): Refine further to get a more correct
1828 cfg, especially in the presense of exception handling, computed
1829 gotos, and other non-trivial cases. Call abort if an inaccuracy
1830 is detected in the cfg.
1832 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1834 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
1836 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
1837 (skip_white_space): Use whitespace_cr.
1838 (check_newline): Handle whitespace more consistently.
1840 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
1842 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
1843 * i386/xm-cygwin32.h (POSIX): Define.
1845 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
1847 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
1848 is available elsewhere.
1850 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
1852 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
1853 what the instruction can handle.
1855 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
1857 * stmt.c (expand_decl_cleanup_no_eh): New fn.
1859 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
1861 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
1863 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
1864 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
1866 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
1868 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
1869 swap instruction order.
1871 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
1873 * fixinc.svr4 (__STDC__): Add another case.
1875 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1877 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
1878 addresses in the epilogue delay slot.
1880 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
1882 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
1883 in generated `specs' file.
1885 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
1887 * flags.h (flag_rerun_loop_opt): Declare.
1888 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
1889 * toplev.c (flag_rerum_loop_opt): Delete static.
1891 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1893 Bring over from FSF:
1895 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1897 * va-sh.h (__va_arg_sh1): Define.
1899 SH3E doesn't use any integer registers for subsequent arguments
1900 once a non-float value was passed in the stack.
1901 * sh.c (machine_dependent_reorg): If optimizing, put explicit
1902 alignment in front label for ADDR_DIFF_VEC.
1903 * sh.h (PASS_IN_REG_P): Fix SH3E case.
1904 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
1906 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1908 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
1911 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1913 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
1914 put an use_sfunc_addr before each sfunc.
1915 * sh.md (use_sfunc_addr, dummy_jump): New insns.
1916 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
1918 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1920 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
1922 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
1924 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
1927 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
1929 * alias.c (find_base_value): Only return the known base value for
1932 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
1934 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
1935 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
1937 (prologue_get_pc_and_set_got): New pattern.
1939 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
1941 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
1942 for SUBREG, just fall through.
1944 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
1946 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
1948 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
1950 * fixincludes: Fix "hypot" prototype in NeXT math.h.
1952 * Makefile.in (USE_ALLOCA): Always include alloca.o.
1953 (USE_HOST_ALLOCA): Likewise.
1955 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
1956 and LABEL_REFS fields.
1957 * rtl.h (LABEL_REFS): Update.
1959 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
1961 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
1962 sets i2dest. When calling distribute_notes for i3dest_killed, pass
1963 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
1966 * mips.md (insv, extzv, extv): Add change_address call.
1967 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
1969 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
1971 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
1973 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
1974 save_restore_insns if no FP and GP will be restored.
1976 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
1977 Convert CCmode to word_mode before calling GET_MODE_SIZE.
1979 * acconfig.h (HAVE_INTTYPES_H): Undef.
1980 * configure.in (inttypes.h): Check for conflicts between sys/types.h
1981 and inttypes.h, and verify that intmax_t is defined.
1982 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
1983 * config/mips/x-iris3: Likewise.
1985 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
1987 * alias.c (find_base_value): When copying arguments, return the
1988 tenative value for a hard register.
1990 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
1992 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
1993 (yylex): Record wide strings using target endianness, not host.
1995 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
1997 * mn10200.h (ASM_OUTPUT_BSS): Delete.
1998 (ASM_OUTPUT_ALIGNED_BSS): New macro
1999 * mn10300.h (ASM_OUTPUT_BSS): Delete.
2000 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2001 * v850.h (ASM_OUTPUT_BSS): Delete.
2002 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2004 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2006 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
2008 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
2010 * configure.in (sco5): Use cpio to install header files.
2012 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
2014 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
2016 * configure: Rebuild.
2018 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
2020 * i386/sco5.h: enable -gstabs once again.
2022 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
2024 * arm.c (output_move_double): Allocate 3 entries in otherops array.
2026 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
2028 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
2029 notes for sjlj exceptions too.
2030 (expand_eh_region_end): Similarly for EH_REGION_END notes.
2031 (exception_optimize): Optimize EH regions for sjlj exceptions too.
2032 * final.c (final_scan_insn): Don't output labels for EH REGION
2033 notes if doing sjlj exceptions.
2035 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
2037 * alias.c (init_alias_analysis): Handle -fno-alias-check when
2038 optimizing correctly.
2040 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
2041 or set current_function_calls_setjmp anymore.
2043 * flow.c (find_basic_blocks): If we delete the label for an
2044 exception handler, remove it from the EH label list and remove
2045 the EH_BEGIN/EH_END notes for that EH region.
2047 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
2049 * flow.c (find_basic_blocks): Generate correct flow control
2050 information when exception handling notes are present.
2052 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
2054 * dwarf2out.c (output_call_frame_info): Fix length argument
2055 to ASM_OUTPUT_ASCII.
2056 (output_die, output_pubnames, output_line_info): Likewise.
2058 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
2060 * version.c: Bump for snapshot.
2062 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
2063 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
2064 flag_debug_asm is on.
2065 (output_die, output_pubnames, output_line_info): Likewise.
2067 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
2068 and static_chain_rtx into the potential base values array if
2071 * alias.c (new_reg_base_value): New array of potential base values.
2072 (unique_id): Now file scoped static.
2073 (find_base_value, case REG): Return the value in reg_base_value
2074 array for the REG if it exists. Else, return the value from
2075 new_reg_base_value if copying args and REG is a hard register.
2076 (find_base_value, case PLUS): If either operand of the PLUS is
2077 a REG, try to get its base value. Handle base + index and
2079 (record_set): Use new_reg_base_value instead of reg_base_value.
2080 (init_alias_analysis): Allocate space for new_reg_base_value too.
2081 Rework code to iterate over the insns propagating base value
2082 information until nothing changes.
2084 * global.c (global_alloc): Free the conflict matrix after
2085 reload has finished.
2087 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
2089 * libgcc2.c (L_eh): Define __eh_pc.
2090 Replace __eh_type with generic pointer __eh_info.
2092 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
2094 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
2095 use copy_to_reg if address is not a general_operand.
2097 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2099 * profile.c (output_func_start_profiler): Clear flag_inline_functions
2100 for the duration of the call to rest_of_compilation.
2102 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
2104 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
2106 (sparc*-*-*): Recognize --with-cpu=v9.
2107 * sparc/elf.h: New file.
2108 * sparc/t-elf: New file.
2110 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
2112 * mn10300.c (const_8bit_operand): New function.
2113 (mask_ok_for_mem_btst): New funtion.
2114 * mn10300.md (btst patterns with mem operands): Use new functions
2115 to avoid creating btst instructions with invalid operands.
2117 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
2119 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
2120 are running on PowerPC Linux.
2122 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
2124 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
2125 if not previously defined.
2127 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
2129 * function.c (assign_parms): Correct mode of stack_parm if
2130 entry_parm underwent a mode conversion.
2132 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
2134 * global.c (global_alloc): Use xmalloc instead of alloca for
2135 CONFLICTS, since max_allocno * allocno_row_words alone can be more
2136 than 2.5Mb sometimes.
2138 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
2140 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
2141 DEST for the spill, adjust mode of SRC to compensate.
2143 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
2145 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
2146 since any_memory_operand() allows pseudos during reload.
2147 (reload_inhi, reload_outqi, reload_outhi): Likewise.
2149 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
2151 * m68k.md (btst patterns): Add 5200 support.
2153 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2155 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
2156 optimizations, look inside dividend to determine if the expression
2157 can be simplified by using EXACT_DIV_EXPR.
2159 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
2162 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
2164 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
2166 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
2168 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
2170 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
2173 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
2175 * alpha.md (movqi, movhi): Make sure new insns created during reload
2176 won't need reloading themselves.
2177 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
2179 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
2181 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
2183 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
2185 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
2186 Patch from Klaus Kaempf <kkaempf@progis.de>.
2188 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
2190 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
2191 to an element in a constant string.
2193 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
2195 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
2196 bit PC-relative offset. The exception range table pointer is now in
2198 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
2199 (count_fdes, add_fdes, get_cie): Adjust.
2200 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
2203 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
2205 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
2207 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
2208 like stack_pointer_rtx.
2210 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
2212 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
2213 targets using "$@" to provide support for similar but not identical
2214 targets without having to duplicate code.
2215 (bootstrap4): New goal.
2217 * Makefile.in (compare, compare-lean, compare3): Combined to one
2218 ruleset determining actions to be performed via $@.
2219 (compare4, compare4-lean): New targets.
2220 (gnucompare, gnucompare3): Combined to one ruleset determining
2221 actions to be performed via $@. Also, note which files failed
2222 the comparison test in .bad_compare.
2223 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
2225 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2227 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
2228 if the dividend is a multiple of the divisor.
2230 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
2232 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
2234 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
2237 * alias.c (true_dependence): Fix typo.
2239 * toplev.c (flag_rerun_loop_opt): New variable.
2240 (f_options): Handle -frerun-loop-opt.
2241 (rest_of_compilation): If -frerun-loop-opt, then run the loop
2243 (main): Enable -frerun-loop-opt by default for -O2 or greater.
2245 * loop.c (simplify_giv_expr): Adding two invariants results
2248 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
2250 * expr.c (get_inner_reference): Remove the array bias after
2251 converting the index to Pmode.
2253 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
2255 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
2256 (TARGET_MULT_BUG): Define.
2257 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
2258 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
2260 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
2262 * mn10200.c (indirect_memory_operand): Delete unused function.
2263 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
2264 * mn10200.md (bset, bclr insns): Handle output in a reg too.
2266 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
2268 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
2269 the callee's ldgp, we must do it ourselves, and we use the jsr tag
2270 for more than scheduling.
2272 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
2274 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
2276 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
2278 * mn10300.c (symbolic_operand, legitimize_address): New functions.
2279 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
2280 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
2282 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
2284 * version.c: Bump for snapshot.
2286 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2288 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
2291 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
2293 * toplev.c (flag_exceptions): Default value is 2.
2294 (compile_file): If flag_exceptions still has the value 2, then
2297 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
2298 (rs6000_save_machine_status): Save pic_offset_table_rtx.
2299 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
2301 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
2304 * rs6000.md (*movsi_got_internal_mem): New pattern.
2305 (*movsi_got_internal_mem splitter): New define_split.
2307 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
2309 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
2311 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2313 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
2314 only need to save LR.
2316 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
2318 * mn10300.md (movqi, movhi): Avoid using address registers as
2319 destinations unless absolutely necessary.
2321 * mn10200.c (expand_prologue): Fix typo.
2323 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
2325 * mn10200.md (neghi2): Provide an alternative which works if
2326 the input and output register are the same.
2328 * mn10300.c (print_operand): Handle 'S'.
2329 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
2330 shift amount in last alternative
2332 * mn10300.c (expand_epilogue): Rework to handle register restores
2333 in "ret" and "retf" instructions correctly.
2335 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
2337 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
2338 extzv for memory operands.
2340 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
2341 redundant conditional moves to single operand.
2343 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
2345 * v850.h: Move define of __v850__ from CPP_PREDEFINES
2348 * xm-v850.h: Use __v850 rather than __v850__ to
2351 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
2353 * mips/mips.c (compute_frame_size): Not a leaf function if
2356 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2358 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
2360 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
2362 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
2363 (DEFAULT_ARCH32_P): New macro.
2364 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
2365 (enum cmodel): Declare.
2366 (sparc_cmodel_string,sparc_cmodel): Declare.
2367 (SPARC_DEFAULT_CMODEL): Provide default.
2368 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
2369 (TARGET_FULLANY): Deleted.
2370 (TARGET_CM_MEDMID): New macro.
2371 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
2372 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2373 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
2374 (CPP_SPEC): Rewrite.
2375 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2376 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
2377 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2378 (ASM_SPEC): Add %(asm_arch).
2379 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
2380 Rename asm_default to asm_cpu_default.
2381 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
2382 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
2383 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
2384 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
2385 (MASK_INT64,MASK_LONG64): Delete.
2386 (MASK_ARCH64): Renamed to MASK_64BIT.
2387 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
2388 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
2389 (TARGET_SWITCHES): Always provide 64 bit options.
2390 (ARCH64_SWITCHES): Delete.
2391 (TARGET_OPTIONS): New option -mcmodel=.
2392 (INT_TYPE_SIZE): Always 32.
2393 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
2394 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
2395 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
2396 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
2397 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
2399 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2400 * sparc/linux.h: Likewise.
2401 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
2402 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2403 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
2404 (SPARC_DEFAULT_CMODEL): Define.
2405 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2406 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2407 (LONG_DOUBLE_TYPE_SIZE): Define.
2408 (ASM_SPEC): Add %(asm_arch).
2409 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2410 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2411 (TARGET_CPU_DEFAULT): Add ultrasparc case.
2412 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
2413 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
2414 (SPARC_DEFAULT_CMODEL): Define.
2415 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
2416 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
2417 MASK_LONG64, MASK_MEDANY.
2418 (SPARC_DEFAULT_CMODEL): Define.
2419 (CPP_PREDEFINES): Delete.
2420 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2421 (ASM_SPEC): Add %(asm_arch).
2422 (LONG_DOUBLE_TYPE_SIZE): Define.
2423 (DWARF2_DEBUGGING_INFO): Define.
2424 * sparc/splet.h (CPP_SPEC): Delete.
2425 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2426 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
2427 (BLOCK_PROFILER): Likewise.
2428 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
2429 (sparc_override_options): Handle code model selection.
2430 (sparc_init_expanders): Renamed from sparc64_init_expanders.
2431 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
2432 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
2433 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
2434 (sethi_di_fullany): Delete.
2436 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
2437 Jeff Law <law@cygnus.com>
2438 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2440 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
2441 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
2442 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
2443 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
2444 * alpha/alpha.md (arg_home): Likewise.
2446 * alpha/alpha.c (vmskrunch): Delete
2447 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
2448 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
2449 truncate to 64 characters.
2451 * make-l2.com: Support openVMS/Alpha.
2453 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
2455 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2457 * longlong.h (count_leading_zeros): Add missing casts to USItype.
2459 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
2461 * i386/bsd386.h (ASM_COMMENT_START): Define.
2463 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2465 * tree.c (restore_tree_status): Also free up temporary storage
2466 when we finish a toplevel function.
2467 (dump_tree_statistics): Print stats for backend obstacks.
2469 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
2471 * expr.c (use_group_regs): Don't call use_reg for MEMs.
2473 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
2475 * libgcc2.c (__throw): Don't copy the return address.
2476 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
2478 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
2479 * toplev.c (main): Initialize exceptions_via_longjmp.
2481 * tree.c: Add extra_inline_obstacks.
2482 (save_tree_status): Use it.
2483 (restore_tree_status): If this is a toplevel inline obstack and we
2484 didn't want to save anything on it, recycle it.
2485 (print_inline_obstack_statistics): New fn.
2486 * function.c (pop_function_context_from): Pass context to
2487 restore_tree_status.
2488 * obstack.h (obstack_empty_p): New macro.
2490 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
2492 * i386/freebsd.h (ASM_COMMENT_START): Fix.
2494 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
2496 * v850.c (ep_memory_offset): New function.
2497 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
2499 * v850.h (CONST_OK_FOR_*): Add and correct comments.
2500 (CONSTANT_ADDRESS_P): Add comment.
2501 (EXTRA_CONSTRAINT): Define 'U'.
2502 * v850.md: Add comments on bit field instructions.
2503 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
2504 (lshrsi3): Use N not J constraint.
2506 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
2508 * v850.c (reg_or_0_operand): Call register_operand.
2509 (reg_or_int5_operand): Likewise.
2510 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
2511 (TARGET_SWITCHES): Add "big-switch".
2512 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
2513 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
2514 (CASE_DROPS_THROUGH): Comment out.
2515 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
2516 * v850.md (cmpsi): Delete compare mode.
2517 (casesi): New pattern.
2519 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
2520 * v850.md (ashlsi3): Use SImode not QImode for shift count.
2521 (lshrsi3): Likewise.
2523 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
2524 unreachable switch statement after 'b' support. Remove "b" from
2525 strings for 'b' support.
2526 * v850.md (branch_normal, branch_invert): Change %b to b%b.
2528 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
2530 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
2531 empty line if @inhibit_libc@ is empty.
2533 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
2535 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
2536 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
2537 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2538 (DWARF2_UNWIND_INFO): Let this track object file format.
2539 (EXTRA_SECTIONS): Add in_eh.
2540 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
2541 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2543 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
2545 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
2546 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
2548 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
2549 (output_double_int): Output DI mode values correctly when
2550 HOST_BITS_PER_WIDE_INT is 64.
2551 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
2552 fmovd so it works if a quad float ends up in one of the upper 32
2554 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
2555 necessary for PIC support on sparc64.
2557 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
2559 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
2560 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
2561 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
2562 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
2563 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
2564 (SPARC_FP_ARG_FIRST): New macro.
2565 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
2566 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
2567 (NPARM_REGS): There are 32 fp argument registers now.
2568 (FUNCTION_ARG_REGNO_P): Likewise.
2569 (FIRST_PARM_OFFSET): Update to new v9 abi.
2570 (REG_PARM_STACK_SPACE): Define for arch64.
2571 (enum sparc_arg_class): Delete.
2572 (sparc_arg_count,sparc_n_named_args): Delete.
2573 (struct sparc_args): Redefine and use for arch32 as well as arch64.
2574 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
2575 (FUNCTION_ARG_ADVANCE): Rewrite.
2576 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
2577 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
2578 (FUNCTION_ARG_CALLEE_COPIES): Delete.
2579 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
2580 (STRICT_ARGUMENT_NAMING): Define.
2581 (doublemove_string): Declare.
2582 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
2583 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
2584 (doublemove_string): New function.
2585 (output_move_quad): Clean up some of the arch64 support.
2586 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
2587 Don't add 8 bytes of reserved space if arch64.
2588 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
2589 (init_cumulative_args): New function.
2590 (function_arg_slotno): New static function.
2591 (function_arg,function_arg_partial_nregs): New functions.
2592 (function_arg_{pass_by_reference,advance}): New functions.
2593 (function_arg_padding): New function.
2594 * ginclude/va-sparc.h: Rewrite v9 support.
2596 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2598 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
2599 for hard regs to determine base and index registers.
2601 * reload.c (debug_reload_to_stream): New function. Specify stream
2602 into which to write debug info.
2603 (debug_reload): Modify to call debug_reload_to_stream with stderr.
2605 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
2607 * combine.c (can_combine_p): Don't combine with an asm whose
2608 output is a hard register.
2610 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
2612 * c-decl.c (start_struct): Ensure that structs with forward
2613 declarations are in fact packed when -fpack-struct is given.
2615 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
2616 we are packing a structure. This allows a structure with only
2617 bytes to be aligned on a byte boundary and have no padding on a
2620 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2622 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
2624 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
2626 * alpha.c (alpha_return_addr_rtx): New variable.
2627 (alpha_save_machine_status): New; save it.
2628 (alpha_restore_machine_status): New; restore it.
2629 (alpha_init_expanders): New; clear it.
2630 (alpha_return_addr): New; set it.
2631 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
2632 is overly conservative, so search the insns explicitly.
2633 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
2634 (alpha_sa_size [VMS && !VMS]): Likewise.
2635 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
2636 (INIT_EXPANDERS): New definition.
2638 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
2639 (output_prolog [!VMS]): Use them.
2641 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
2642 (alpha_does_function_need_gp): ... a new function. Refine the
2643 CALL_INSN test to just TYPE_JSR.
2644 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
2646 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
2648 * version.c: Bump for snapshot.
2650 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2652 * pa.c (move_operand): Respect -mdisable-indexing.
2653 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
2655 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
2657 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
2659 (umulsidi3,umulsi3_highpart): Ditto.
2660 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
2662 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
2664 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
2665 (alpha_handle_trap_shadows): ... a new function. Handle the entire
2666 function in one go. Emit RTL for trapb, instead of printf directly.
2667 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
2668 (trap_pending): Kill global variable.
2669 (output_epilog): Don't call final_prescan_insn.
2670 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
2671 * alpha.h (FINAL_PRESCAN_INSN): Remove.
2672 (MACHINE_DEPENENT_REORG): Define.
2673 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
2676 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
2678 Tune Haifa scheduler for Alpha:
2679 * alpha.h (ISSUE_RATE): Define.
2680 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
2681 EV4 adjustments to EV5.
2682 * alpha.md: Remove all scaling from function unit delays. Rework
2683 EV5 function units to match the CPU.
2684 (umuldi3_highpart): EV5 added the IMULH insn class.
2686 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
2688 * pa.c (following_call): Fail if the CALL_INSN is an indirect
2691 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
2693 * cplus-dem.c (demangle_signature): Don't look for return types on
2694 constructors. Handle member template constructors.
2696 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
2698 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
2699 * tree.h: Declare them.
2701 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
2703 * configure.in: Handle --with-newlib.
2704 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
2706 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
2708 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
2710 * config/ptx4.h: Fix typo.
2712 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
2714 * version.c: Bump for snapshot.
2716 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
2718 * aclocal.m4: Substitute INSTALL.
2719 * configure: Re-built.
2721 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
2723 * integrate.c (save_for_inline_copying): Avoid undefined pointer
2725 (expand_inline_function): Likewise.
2727 * dwarf2out.c (output_call_frame_info): Reinstate last change
2728 using flag_debug_asm check instead of flag_verbose_asm.
2730 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
2732 * dwarf2out.c (output_call_frame_info): Remove last change.
2734 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2736 * frame.c (__frame_state_for): Execute the FDE insns until the
2737 current pc value is strictly bigger than the target pc value.
2739 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
2741 * regclass.c (init_reg_modes): If we can't find a mode for the
2742 register, use the previous one.
2744 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
2746 * haifa-sched.c (print_block_visualization): Call fprintf directly,
2747 don't sprintf through an alloca'ed buffer.
2749 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
2751 * reload.c (decompose): Always initialize val.base.
2753 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2755 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
2756 instead of aborting.
2757 * dwarf2out.c (output_call_frame_info): Call app_enable and
2758 app_disable to let GNU as accept the generated comments.
2760 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
2762 * tree.h (get_file_function_name): Add declaration.
2763 * dwarf2out.c (output_call_frame_info): No need to cast
2764 get_file_function_name call anymore.
2765 * profile.c (toplevel): Remove get_file_function_name
2767 * c-lang.c (finish_file): Ditto.
2769 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
2771 * Makefile.in (program_transform_name): Let autoconf substitute
2774 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
2776 * haifa-sched.c (schedule_block): If the first real insn in a
2777 block has any special notes attached to it, remove them.
2779 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
2781 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
2783 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2785 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
2787 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
2789 * Makefile.in (check-g77): New test target.
2790 (CHECK-TARGETS): Add check-g77.
2792 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
2794 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
2796 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
2798 * flow.c (print_rtl_with_bb): Cast alloca return value for
2801 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
2803 * i386.h (RETURN_ADDR_RTX): New definition that works for
2804 __builtin_return_address(0) and -fomit-frame-pointer.
2806 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
2808 Bring over from FSF.
2809 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
2811 * mips.c (function_arg): Handle passing a struct
2812 containing a double in a DFmode register without the PARALLEL.
2814 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
2816 * pexecute.c: Use spawn if __CYGWIN32__.
2818 * pexecute.c: Include "config.h" first, as per autoconf manual
2819 (from Paul Eggert <eggert@twinsun.com>).
2821 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2823 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
2824 optimisation for f/expr.o and f/stb.o.
2826 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
2828 * cse.c (this_insn_cc0_mode): Initialize.
2830 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
2832 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
2834 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
2836 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
2838 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
2839 that pair will dual-issue on the 21164 and plus+beq won't.
2840 (bne): Likewise for cmpeq+beq.
2842 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
2844 * except.c (find_exception_handler_labels): Correct argument to free.
2846 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
2848 * except.c (find_exception_handler_labels): Free LABELS when we're
2851 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
2853 * version.c: Bump for snapshot.
2855 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
2857 * flow.c (find_basic_blocks): Mark calls as potentially jumping
2860 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
2862 * configure.in: Substitute for "install" too.
2863 * configure: Rebuilt.
2865 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
2867 * Makefile.in (bootstrap-lean, compare-lean): New targets.
2869 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
2871 * alias.c (base_alias_check): Two symbols can conflict if they
2872 are accessed via AND.
2873 (memrefs_conflict_p): Likewise.
2875 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
2876 after flushing argument registers to the stack.
2878 * Makefile.in (mostlyclean): Remove .regmove files.
2880 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2882 * libgcc2.c (__throw): Fix thinko.
2884 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
2886 * cplus-dem.c (demangle_template): Add new parameter. Handle new
2887 template-function mangling.
2888 (consume_count_with_underscores): New function.
2889 (demangle_signature): Handle new name-mangling scheme.
2891 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2893 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
2896 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
2898 * frame.c: Remove last change.
2899 * dwarf2.h: Remove last change.
2900 * tree.h: Add declarations of DWARF2 unwind info support
2903 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2905 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
2906 * tree.h (built_in_function): Likewise.
2907 * expr.c (expand_builtin): Likewise.
2908 * except.h: Likewise.
2909 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
2910 * libgcc2.c (copy_reg): New fn.
2913 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
2915 * c-typeck.c (build_binary_op): Warn about comparing signed vs
2916 unsigned if -W is specified and -Wno-sign-compare is not.
2917 * c-decl.c (warn_sign_compare): Initialize to -1.
2918 (c_decode_option): -Wall no longer implies -Wsign-compare.
2920 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2922 * frame.c: Include gansidecl.h for PROTO.
2923 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
2924 defined. Don't declare dwarf2out_cfi_label here.
2925 * dwarf2.h: Add declarations of DWARF2 unwind info support
2927 * m68k.c: Include dwarf2.h.
2928 (output_function_prologue): Add dwarf2 support.
2929 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
2930 (INCOMING_FRAME_SP_OFFSET): Likewise.
2932 * integrate.c (expand_inline_function): Make sure there is at
2933 least one insn that can be used as an insertion point.
2935 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
2937 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
2939 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
2941 * version.c: Bump for snapshot.
2943 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
2945 Bring over from FSF.
2947 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
2949 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
2950 (get_pc_via_rdpc): Renamed from get_pc_sp64.
2951 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
2953 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
2955 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
2956 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
2958 (sparc_align_{loops,jumps,funcs}_string): Declare.
2959 (sparc_align_{loops,jumps,funcs}): Declare.
2960 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
2961 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
2962 (STACK_BIAS): Define.
2963 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
2965 (SPARC_SETHI_P): New macro.
2966 (CONST_OK_FOR_LETTER_P): Use it.
2967 (ASM_OUTPUT_ALIGN_CODE): Define.
2968 (ASM_OUTPUT_LOOP_ALIGN): Define.
2969 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
2970 (sparc_align_{loops,jumps,funcs}): New globals.
2971 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
2973 (move_operand): Use SPARC_SETHI_P.
2974 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
2976 (arith11_double_operand): Likewise.
2977 (arith10_double_operand): Likewise.
2978 (finalize_pic): Finish sparc64 support.
2979 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
2980 64 bit constants if able.
2981 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
2982 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
2984 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
2985 (get_pc_sp32): Use for sparc64 as well.
2986 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
2987 (sethi_di_sp64_const): Likewise.
2988 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
2989 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
2990 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
2992 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
2994 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
2995 * sparc/linux.h (COMMENT_BEGIN): Likewise.
2996 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
2998 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
3000 Add sparc64 linux support.
3001 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
3002 to xm_file list on 32-bit sparc-linux.
3003 * sparc/xm-sp64.h: New file.
3004 * sparc/linux64.h: New file.
3005 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
3006 Don't include xm-sparc.h.
3007 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
3008 * glimits.h (LONG_MAX): Handle sparc64.
3010 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
3012 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
3013 * sparc.h (ASM_COMMENT_START): Define.
3014 * sparc.c (output_function_prologue): Use it.
3015 (sparc_flat_output_function_{epi,pro}logue): Likewise.
3017 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
3019 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
3020 use sparc.h's copies.
3021 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
3024 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3026 * sparc.c (dwarf2out_cfi_label): Add declaration.
3027 (save_regs, output_function_prologue): Remove cast for it.
3028 (sparc_flat_{save_restore,output_function_prologue): Likewise.
3029 ({save,restore}_regs): No longer inline.
3031 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3033 * fold-const.c (make_range): Correctly handle cases of converting
3034 from unsigned to signed type.
3036 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3038 * fold-const.c (merge_ranges): Make sure that if one range is subset
3039 of another, it will always be the second range. Correct (+,-) case to
3042 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3044 * final.c (final_end_function): Also do dwarf2 thing if
3045 DWARF2_DEBUGGING_INFO.
3046 (final_start_function): Likewise.
3048 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
3050 * expmed.c (expand_divmod): If compute_mode is not the same as
3051 mode, handle the case where convert_modes() causes op1 to no
3052 longer be a CONST_INT.
3054 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
3055 note holding get_jump_flags() calculation to all JUMP_INSNs.
3056 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
3057 * rtl.c (reg_note_name): Add new note types.
3059 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
3061 * rtlanal.c (computed_jump_p): Fix typo in last change.
3063 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3065 * loop.c (indirect_jump_in_function_p): Return 0
3068 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
3070 * rs6000/xm-rs6000.h: Fix thinko in last change.
3071 * rs6000/xm-sysv4.h: Likewise.
3073 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
3075 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
3077 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
3079 * reg-stack.c (find_blocks): Fix thinko in last change.
3081 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3083 * m68k.c (output_function_prologue): Add dwarf2 support.
3085 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
3086 INCOMING_FRAME_SP_OFFSET): New definitions.
3088 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3090 * combine.c (try_combine): Use NULL_RTX instead of '0' where
3091 appropriate in calls to gen_rtx().
3092 * cse.c (cse_main): Likewise.
3093 * emit-rtl.c (gen_label_rtx): Likewise.
3094 * expr.c (init_expr_once): Likewise.
3095 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
3096 sched_analyze, init_rgn_data_dependences,
3097 compute_block_backward_dependences): Likewise.
3098 * sched.c (schedule_insns): Likewise.
3099 * varasm.c (immed_double_const): Likewise.
3101 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
3102 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
3104 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
3106 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
3107 (MULTILIB_DEFAULTS): Define.
3108 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
3109 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
3110 (LIBGCC_SPEC): Likewise.
3111 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
3112 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
3113 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
3114 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
3115 (EXTRA_PARTS, TAROUTOPTS): Delete.
3116 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
3117 (MULTILIB_OPTIONS): Define.
3118 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
3119 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
3121 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
3123 * version.c: Bump for snapshot.
3125 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
3127 * loop.c (loop_number): Delete function. Change all references
3128 to use uid_loop_num array.
3129 * loop.h (loop_number): Delete declaration.
3130 * unroll.c (unroll_loop): Change "loop_number" references to
3131 use uid_loop_num instead.
3133 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
3135 (loop_unroll_iter): Remove unused variable and all references.
3136 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
3137 (insert_bct): Fix minor formatting problems.
3138 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
3139 (loop_unroll_iter): Removed unused decl.
3140 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
3141 Always record the unrolling factor.
3143 * cse.c (simplify_relational_operation): Set h0u just like h0s.
3144 Similarly for h1u and h1s.
3146 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
3147 (find_basic_blocks): Use computed_jump_p to determine if a
3148 particular JUMP_INSN is a computed jump.
3149 * reg-stack.c (find_blocks): Use computed_jump_p to determine
3150 if a particular JUMP_INSN is a computed jump.
3151 * rtlanal.c (jmp_uses_reg_or_mem): New function.
3152 (computed_jump_p): Likewise.
3153 * rtl.h (computed_jump_p): Declare.
3154 * genattrtab.c (pc_rtx): Define and initialize.
3155 * loop.c (loop_optimize): Always determine if the current
3156 function has a computed jump.
3157 (indirect_jump_in_function_p): Use computed_jump_p to determine
3158 if a particular JUMP_INSN is a computed jump.
3160 * loop.c (fix_bct_param): Delete unused function.
3161 (check_bct_param): Likewise.
3163 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3165 * frame.c (__deregister_frame): Check properly for initialized object.
3167 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3169 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
3171 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3173 * jump.c (thread_jumps): check can_reverse_comparison_p before
3174 threading a reversed-condition jump.
3176 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
3177 * haifa-sched.c (update_flow_info): Likewise.
3179 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
3181 * Makefile.in (BOOT_CFLAGS): Use -O2.
3183 * configure.in (strtoul, bsearch): Have autoconf check for these
3185 * configure, config.in: Rebuilt.
3187 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
3188 * mips/mips.h (alloca): Likewise.
3189 * rs6000/xm-rs6000.h (alloca): Likewise.
3190 * rs6000/xm-sysv4.h: Likewise.
3192 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
3194 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
3195 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
3196 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
3198 * except.c (end_eh_unwinder): Subtract 1 from return address.
3199 * libgcc2.c (__throw): Likewise.
3200 (find_exception_handler): Don't change PC here. Compare end with >.
3202 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
3204 * v850.c (compute_register_save_size): Correct register
3206 * v850.md (save_interrupt, return_interrupt): Correct
3208 * v850/lib1funcs.asm (save_interrupt): Correct register number.
3209 (return_interrupt): Use stack pointer, not element pointer.
3211 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
3213 * configure.in, configure: Make sure to create the stage* and include
3214 symbolic links in each subdirectory.
3216 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
3218 * pa.md (reload_peepholes): Don't allow addresses with side
3219 effects for the memory operand.
3221 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3223 * libgcc2.c (find_exception_handler): Subtract one from our PC when
3224 looking for a handler, to avoid hitting the beginning of the next
3227 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
3229 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
3231 * mips/abi64.h (LONG_MAX_SPEC): Define.
3232 * mips.h (LONG_MAX_SPEC): Define.
3233 (CPP_SPEC): Include long_max_spec.
3234 (EXTRA_SPECS): Include long_max_spec.
3236 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
3238 * v850.c (construct_save_jarl): Fix thinko in last change.
3240 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
3242 * version.c: Bump for snapshot.
3244 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3246 * libgcc2.c (find_exception_handler): Not found is -1.
3248 * integrate.c (expand_inline_function): Move expand_start_bindings
3249 after expanding the arguments.
3251 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
3253 * expr.c (expand_expr): Remove previous incorrect change.
3254 If target and slot has no DECL_RTL, then call mark_addressable
3255 again for the slot after we give it RTL.
3257 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
3259 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3260 again for the slot after we give it RTL.
3262 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
3264 * v850.c (register_is_ok_for_epilogue,
3265 pattern_is_ok_for_epilogue, construct_restore_jr,
3266 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
3268 * v850.h (pattern_is_ok_for_prologue,
3269 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
3272 * v850.md: Replace prologue and epilogue patterns with a
3273 match_parallel pattern.
3275 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
3277 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
3278 * configure.in: Use EGCS_PROG_INSTALL.
3280 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
3282 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
3283 extern inline function.
3285 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
3287 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
3288 (concat_loc_descriptor): New function.
3289 (loc_descriptor): Call it.
3290 (add_AT_location_description): Also elide the descriptor if both
3291 halves of a CONCAT are pseudos.
3292 (add_location_or_const_value_attribute): Recognize CONCAT too.
3294 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
3296 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
3298 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
3299 out-or-range reg_offset.
3300 (output_epilog): Likewise.
3302 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
3304 * cse.c (simplify_relational_operation): If MODE specifies a
3305 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
3306 is derived from the sign bit of the low word.
3308 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3310 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
3312 * dwarf2.h: Add DW_CFA_GNU_args_size.
3313 * frame.c (execute_cfa_insn): Likewise.
3314 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
3315 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
3316 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
3317 insn, hand it off to dwarf2out_stack_adjust.
3318 (dwarf2out_begin_prologue): Initialize args_size.
3319 * frame.h (struct frame_state): Add args_size.
3320 * libgcc2.c (__throw): Use args_size.
3321 * final.c (final_scan_insn): If we push args, hand off all insns
3322 to dwarf2out_frame_debug.
3323 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
3325 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
3326 Handle epilogue restore of SP from FP.
3327 * emit-rtl.c (gen_sequence): Still generate a sequence if the
3328 lone insn has RTX_FRAME_RELATED_P set.
3330 * frame.c (extract_cie_info): Handle "e" augmentation.
3331 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
3332 absence of UNALIGNED_*_ASM_OP.
3333 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
3334 (output_call_frame_info): Use "e" instead of "z" for augmentation.
3335 Don't emit augmentation fields length.
3336 (dwarf2out_do_frame): Move outside of #ifdefs.
3337 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
3340 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
3341 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
3342 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
3343 * sparc/sun4gas.h: New file.
3344 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
3346 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
3347 __register_frame_table and __deregister_frame.
3349 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
3351 * except.c (find_exception_handler_labels): Use xmalloc instead of
3352 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
3355 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
3357 * Makefile.in: Various changes to build info files
3358 in the object tree rather than the source tree.
3360 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
3362 * fixinc.math: New file to fix math.h on some systems.
3363 * configure.in (freebsd, netbsd): Use fixinc.math on these
3365 * configure: Rebuilt.
3367 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
3369 * regmove.c (regmove_optimize): If we end up moving the
3370 original insn due to lifetime overlaps, make sure to move
3373 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
3375 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
3377 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
3379 * haifa-sched.c (add_branch_dependences): Make each insn in
3380 a SCHED_GROUP_P block explicitly depend on the previous insn.
3382 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3384 * except.h: Prototype dwarf2 hooks.
3387 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
3389 * configure.in (native_prefix): Delete.
3390 (mips-dec-netbsd): Don't set prefix.
3391 (*linux*): Don't set prefix.
3393 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
3395 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
3396 defined. If not defined, include <sys/varargs.h> if
3397 HAVE_SYS_VARARGS_H is defined.
3398 * configure.in: Test for varargs.h and sys/varargs.h.
3399 * configure: Regenerate with autoconf.
3400 * config.in: Regenerate with autoheader.
3402 * cpplib.c (quote_string): Cast first arg of sprintf call
3403 from "unsigned char *" to "char *".
3404 (output_line_command): Ditto.
3405 (macroexpand): Ditto.
3406 (do_line): Cast atoi arg from "unsigned char *" to "char *".
3408 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
3410 * version.c: Bump for snapshot.
3412 * Makefile.in (compare): Exit with nonzero status if there
3413 are comparison failures. Note which files failed the
3414 comparison test in .bad_compare.
3416 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3418 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
3420 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
3422 * Makefile.in (LN, LN_S): New macros, use where appropriate.
3423 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
3424 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
3425 * configure: Regenerated.
3427 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
3429 * loop.c (strength_reduce): Fix typo.
3431 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
3433 * m88k/m88k.c (struct option): Rename to struct options.
3434 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
3435 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
3436 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
3437 __DOLPHIN__ or sysV88.
3439 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
3441 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
3444 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
3446 * config.sub: Accept 'amigados' for backward compatability.
3448 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3450 * Makefile.in (testsuite/site.exp): New target.
3451 (check-gcc, check-g++): Depend on testsuite/site.exp.
3452 Don't stop for failure.
3454 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
3456 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
3457 if DWARF2_UNWIND_INFO.
3459 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
3461 Add support for exception handling using DWARF 2 frame unwind info.
3462 Currently works on SPARC and MIPS, and almost on x86.
3464 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
3465 next_stack_level, in_reg_window): Helper fns.
3466 (__throw): Implement for DWARF2_UNWIND_INFO.
3468 * expr.c (expand_builtin): Handle builtins used by __throw.
3469 * tree.h (enum built_in_function): Add builtins used by __throw.
3470 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
3471 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
3472 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
3473 (expand_builtin_extract_return_addr): Likewise.
3474 (expand_builtin_frob_return_addr): Likewise.
3475 (expand_builtin_set_return_addr_reg): Likewise.
3476 (expand_builtin_eh_stub): Likewise.
3477 (expand_builtin_set_eh_regs): Likewise.
3478 (eh_regs): Choose two call-clobbered registers for passing back values.
3480 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
3481 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
3482 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
3483 (stmp-multilib): Likewise.
3484 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
3486 * except.c: #include "defaults.h".
3487 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
3488 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
3489 (register_exception_table_p): New fn.
3490 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
3491 (end_eh_unwinder): Likewise.
3493 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
3494 call __register_frame and __deregister_frame as needed.
3495 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
3496 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
3497 EH_FRAME_SECTION_ASM_OP.
3498 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
3499 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
3500 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
3502 * dwarf2out.c (output_call_frame_info): If no support for
3503 EXCEPTION_SECTION, mark the start of the frame info with a
3505 * collect2.c (frame_tables): New list.
3506 (is_ctor_dtor): Recognise frame entries.
3507 (scan_prog_file): Likewise.
3508 (main): Pass -fno-exceptions to sub-compile. Also do collection
3509 if there are any frame entries.
3510 (write_c_file_stat): Call __register_frame_table and
3511 __deregister_frame as needed.
3512 (write_c_file_glob): Likewise.
3514 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
3515 Also require unaligned reloc support.
3516 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3517 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
3518 * sparc/sysv4.h: Not here.
3520 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
3521 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
3522 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
3524 * libgcc2.c (L_eh): Reorganize, moving code shared by different
3525 EH implementations to the top.
3526 (find_exception_handler): Split out. Start from 0. Compare against
3528 (__find_first_exception_table_match): Use it.
3529 * except.c (output_exception_table): Don't do anything if there's
3530 no table. Don't output a first entry of zeroes.
3531 (eh_outer_context): Adjust properly.
3532 (add_eh_table_entry): Use xrealloc.
3533 * toplev.c (compile_file): Just call output_exception_table.
3535 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
3537 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
3539 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
3541 * except.c (eh_outer_context): Do masking using expand_and.
3543 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
3545 Add port done awhile ago for the ARC cpu.
3546 * arc/arc.h: New file.
3547 * arc/arc.c: New file.
3548 * arc/arc.md: New file.
3549 * arc/initfini.c: New file.
3550 * arc/lib1funcs.asm: New file.
3551 * arc/t-arc: New file.
3552 * arc/xm-arc.h: New file.
3553 * ginclude/va-arc.h: New file.
3554 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
3555 * ginclude/varargs.h: Likewise.
3556 * Makefile.in (USER_H): Add va-arc.h.
3557 * configure.in (arc-*-elf*): Recognize.
3558 * longlong.h: Add ARC support.
3560 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
3562 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
3563 when clearing non-BLKmode data.
3565 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
3567 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
3568 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
3570 * xm-m88k.h (USG): Only define if it hasn't already been defined.
3572 * Makefile.in (risky-stage1): Delete gratutious whitespace.
3574 * Makefile.in (clean): Delete libgcc1-test.
3576 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
3578 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
3580 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
3583 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3585 * dwarf2out.c (output_call_frame_info): Call named_section.
3587 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
3589 * haifa-sched.c (print_value): Fix last change.
3591 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
3593 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
3596 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
3598 * mips.c (function_prologue): Set up the CFA when ABI_32.
3600 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
3601 for dwarf2 unwind info.
3602 (output_function_prologue, sparc_flat_output_function_prologue): Same.
3604 * final.c (final_end_function): Check dwarf2out_do_frame instead
3605 of DWARF2_DEBUG for dwarf2 unwind info.
3606 (final_scan_insn): Likewise.
3607 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
3610 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
3613 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
3615 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
3617 * v850.h (ASM_SPEC): Pass on target processor.
3618 (CPP_PREDEFINES): Only define if not already specified.
3619 (TARGET_VERSION): Only define if not already specified.
3620 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
3622 (EXTRA_SWITCHES): Extra entries in the switches array.
3623 (TARGET_DEFAULT): Set default target processor.
3625 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
3627 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
3628 cases, add %# and %/, and add : to make them into extended asms.
3630 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
3632 * alias.c (init_alias_analysis): Clean up incompatible pointer
3633 type warning in bzero.
3634 * regmove.c (regmove_optimize): Ditto.
3635 * haifa-sched.c (find_rgns): Ditto.
3637 * haifa-sched.c (print_value): Clean up ptr->int cast
3640 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
3642 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
3643 * install.texi (Configurations): Ditto.
3644 * config.sub: Ditto.
3646 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
3648 * Makefile.in (sdbout.o): Depend on insn-config.h.
3650 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
3652 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
3653 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
3655 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3657 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
3658 prologue insn, only the first elt is significant.
3659 (output_call_frame_info): For exception handling, always use 4-byte
3660 fields as specified by the dwarf2 spec.
3661 Don't skip trivial FDEs.
3663 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
3665 * version.c: Bump for snapshot.
3667 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
3669 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
3670 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
3673 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
3675 * final.c (shorten_branches): During first pass, assume worst
3676 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
3678 * Makefile.in (distclean): Remove various things left around
3679 by running the testsuite.
3681 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
3683 * configure.in (out_file): Emit definition to config.status in order
3684 to have a defined value for configure.lang.
3685 * configure: Re-built.
3687 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
3689 * configure.in: Make symlink to as-new rather than as.new. Similarly
3691 * configure: Rebuilt.
3693 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
3695 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
3697 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
3699 * sparc/sparc.md: Add ultrasparc scheduling support.
3700 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
3702 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3704 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
3705 as initial value for real_label_map.
3706 (copy_for_inline): Likewise.
3708 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3710 * sched.c (update_flow_info) When looking if to set found_split_dest
3711 or found_orig_dest, look at all parts of a PARALLEL.
3712 * haifa-sched.c (update_flow_info): Likewise.
3714 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
3716 * v850: New directory for v850 port.
3717 * v850/lib1funcs.asm: New file.
3718 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
3719 * ginclude/va-v850.h: New file.
3720 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
3721 * configure.in (mn10200-*-*): New target.
3722 * configure: Rebuilt.
3723 * config.sub: Handle v850-elf.
3724 * Makefile.in (USER_H): Add va-mn10200.h.
3725 * invoke.texi: Document v850 stuff.
3727 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
3729 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
3730 has integer TYPE_{MAX,MIN}_VALUE before using them.
3732 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
3733 __HPUX_ASM__ versions.
3735 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
3737 * install.sh: Delete duplicate install script.
3739 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
3741 * reg-stack.c (subst_stack_regs): Pop the stack register for a
3742 computed goto which sets the same stack register.
3744 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
3745 destination are both on the regstack.
3746 (subst_stack_regs_pat): Put the destination at the top of the regstack.
3748 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
3750 * mips.md (nonlocal_goto_receiver): Define.
3752 * profile.c (output_arc_profiler): Check next_insert_after for non
3753 NULL before deferencing it.
3755 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
3757 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
3759 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
3761 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
3763 * toplev.c (rest_of_compilation): For passes starting with
3764 flow_analysis, use print_rtl_with_bb instead of print_rtl.
3766 * print-rtl.c (print_rtl_single): Print a single rtl value to a
3769 * flow.c (print_rtl_with_bb): Print which insns start and end
3770 basic blocks. For the start of a basic block, also print the live
3773 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
3775 * toplev.c (main): Change #elif to #else/#ifdef
3777 * tlink.c: Include ctype.h.
3778 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
3780 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
3782 * bitmap.c: Conditionally include stdlib.h.
3783 (free): Provide a declaration if NEED_DECLARATION_FREE.
3785 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
3787 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
3789 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
3791 * profile.c (output_arc_profiler): Verify next_insert_after is an
3792 INSN before and after skipping a stack pop.
3794 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3796 * final.c (shorten_branches): Don't count the lengths of deleted
3799 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
3801 * version.c: Bump for snapshot.
3803 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
3805 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
3806 two bitmaps ANDed together.
3807 (bitmap_print): Declare.
3809 * bitmap.c (function_obstack): Don't declare any more.
3810 (bitmap_obstack): Obstack for allocating links from.
3811 (bitmap_obstack_init): New static to say whether to initialize
3813 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
3814 (bitmap_release_memory): Free all memory allocated from
3817 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
3818 EXECUTE_IF_AND_IN_BITMAP.
3820 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
3822 * alias.c (true_dependence): Address with AND can alias scalars.
3823 (anti_dependence, output_dependence): Likewise.
3825 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
3827 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
3829 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
3830 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
3831 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
3832 definitions. Use -qrtems instead of -mrtems.
3834 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
3836 * xm-sco5.h (sys_siglist): Define.
3837 (SYS_SIGLIST_DECLARED): Likewise.
3839 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
3841 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
3843 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
3845 * except.c (eh_outer_context): Expand masking operation using
3848 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
3850 * alpha.md (floatdisf2-1): New pattern.
3852 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
3854 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
3855 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
3856 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
3857 * gcc.texi: Note that if you define sys_siglist that you should
3858 also define SYS_SIGLIST_DECLARED.
3860 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
3861 are relative to the next instruction, not the current instruction.
3863 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
3865 * local-alloc.c (contains_replace_regs): New function.
3866 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
3867 verify that there is no existing REG_EQUIV note, and add a call to
3868 contains_place_regs.
3870 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3872 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
3873 (STARTFILE_SPEC): Always use crtbegin.o%s
3874 (ENDFILE_SPEC): Always use crtend.o%s.
3876 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
3878 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
3880 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
3881 SFmode for 64 bit hosts.
3883 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
3885 * fixincludes: Permits spaces between # and define. Discard C++
3886 comments in sys/pci.h on HP/UX 10.20.
3888 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
3890 * version.c: Bump for snapshot.
3892 * pa.c (restore_unscaled_index_insn_codes): New function.
3893 (record_unscaled_index_insn_codes): Likewise.
3894 (output_function_prologue): Call restore_unscaled_index_insn_codes.
3895 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
3896 (pa_reorg): Call record_unscaled_index_insn_codes.
3898 * haifa-sched.c (move_insn): Handle notes correctly for insns
3899 with SCHED_GROUP_P set.
3901 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3903 * alpha/xm-linux.h (USE_BFD): Undef before define.
3905 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
3907 * cse.c (cse_insn): Don't record BLKmode values.
3909 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
3911 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
3913 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
3915 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
3916 * collect2.c (sys_errlist): Likewise.
3917 * cpplib.c (sys_errlist): Likewise.
3918 * gcc.c (sys_errlist): Likewise.
3919 * protoize (sys_errlist): Likewise.
3920 * configure.in: Check for strerror.
3921 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
3922 * xm-gnu.h (HAVE_STRERROR): Likewise.
3923 * xm-linux.h (HAVE_STRERROR): Likewise.
3924 * xm-netbsd.h (HAVE_STRERROR): Likewise.
3925 * xm-bsd386.h (HAVE_STRERROR): Likewise.
3926 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
3927 * xm-dos.h (HAVE_STRERROR): Likewise.
3928 * xm-mingw32.h (HAVE_STRERROR): Likewise.
3929 * xm-pa.h (HAVE_STRERROR): Likewise.
3930 * xm-papro.h (HAVE_STRERROR): Likewise.
3931 * xm-sysv4.h (HAVE_STRERROR): Likewise.
3932 * configure, config.in: Rebuilt.
3934 * Makefile.in: Add several missing "else true" clauses.
3936 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
3937 * mips-tfile.c: Likewise.
3938 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
3939 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
3940 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
3941 * configure.in: Check for sys_siglist declaration.
3942 * configure, config.in: Rebuilt.
3944 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
3946 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
3947 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
3948 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
3949 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
3950 * rs6000/sysv4.h (extra_subtarget_switches): Added new
3951 macro EXTRA_SUBTARGET_SWITCHES.
3952 * configure.in (sh*-*-rtems*): New target.
3953 * sh/rtems.h: New file.
3954 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
3955 * configure: Rebuilt.
3957 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
3959 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
3961 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
3963 * rs6000.md: Make DF fused-add operations pay attention to
3966 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
3968 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
3970 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
3972 * pa.md (reload_peepholes): Make sure operand is a REG before
3973 examining REGNO. Allow general registers too.
3975 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
3977 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
3979 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
3981 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
3982 to reallocate abbrev_die_table.
3984 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
3986 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
3988 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3990 * Makefile.in (config.status): Depend on version.c
3992 * expr.h (insn_gen_function): Reenable prototype.
3994 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
3997 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
3999 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
4001 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
4003 * version.c: Bump for latest snapshot.
4005 * bc-optab.c: Conditionally include stdlib.h.
4006 (free): Provide a declaration if NEED_DECLARATION_FREE.
4007 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
4008 * rtl.h (free): Remove declaration.
4009 * tree.h (free): Remvoe declaration.
4011 * configure: Rebuilt.
4013 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
4015 * flags.h (flag_move_all_movables): Declare.
4016 (flag_reduce_all_givs): Likewise.
4017 * loop.c (move_movables): Handle flag_move_all_movables.
4018 (strength_reduce): Handle flag_reduce_all_givs.
4019 * toplev.c (flag_move_all_movables): Define.
4020 (flag_reduce_all_givs): Likewise.
4021 (f_options): Add -fmove-all-movables and -freduce-all-givs.
4022 * invoke.texi: Document new options, including alias stuff that
4023 wasn't included last time.
4025 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
4027 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
4030 * t-vxworks68: Ditto.
4031 * t-vxworks960: Ditto.
4034 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
4036 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
4037 if not already defined, and USE_C_ALLOCA not defined.
4039 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
4041 * config.guess: Replace with script that uses ../config.guess.
4043 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
4044 if USE_GNULIBC_1 is not defined.
4046 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
4048 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
4049 * config.guess: Recognize alpha-linux-gnulibc1.
4050 * configure.in (alpha-*-linux-gnulibc1): New target.
4051 (alpha-*-linux-gnu*): Don't build crtbegin/end.
4053 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
4055 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
4058 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
4060 * loop.c (combine_movables): Earlier insns don't match later ones.
4062 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4064 * config/linux.h (CC1_SPEC): Define it only if not defined.
4066 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
4069 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
4070 USE_GNULIBC_1 is not defined.
4072 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
4074 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
4075 as 1 if USE_GNULIBC_1 is not defined.
4077 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
4079 * reorg.c (dbr_schedule): Allow current_function_return_rtx
4080 to be something other than a REG.
4081 * function.c (expand_function_end): Fix current_function_return_rtx
4084 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
4085 * x-netbsd: Likewise
4086 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
4087 (INSTALL_HEADERS): Delete.
4088 * x-dguxbcs: Likewise.
4089 * x-hp3bsd44: Likewise
4092 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4094 * i386.md (pop): pop increments the stack pointer.
4095 (prologue_set_stack_ptr): New pattern.
4096 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
4099 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
4101 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
4102 address where an offsettable address is required.
4104 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
4106 * loop.c (check_final_value): Don't miss a biv increment in a
4109 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
4111 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
4112 TYPE_DECL_IS_STUB instead of DECL_NAME.
4114 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4116 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
4118 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
4120 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
4122 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
4124 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
4125 (find_post_sched_live): Likewise.
4127 * haifa-sched.c (schedule_block): Remove old code to get arguments
4128 from hard regs into pseudos early.
4130 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
4132 * version.c: Bump for new snapshot.
4134 * local-alloc.c (update_equiv_regs): All the target to reject
4135 promotion of some REG_EQUAL to REG_EQUIV notes.
4136 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
4138 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
4141 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
4142 store of the argument registers.
4144 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
4146 * fold-const.c (multiple_of_p): New function.
4147 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
4149 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
4151 * expr.h (insn_gen_function): Temporarily remove prototype.
4153 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
4155 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
4156 filenames. Use sed to extract base filename for install.
4158 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
4160 * unroll.c (find_splittable_givs): Only share if two givs have the
4161 same add and multiply values.
4163 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
4165 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
4166 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
4168 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
4170 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
4171 around branch tables.
4172 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
4173 and .end_brtab directives if TARGET_GAS.
4175 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
4177 * alias.c (true_dependence): Pass x_addr not x to varies.
4179 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
4180 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
4181 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
4183 * config.in, configure: Regenerate.
4185 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
4187 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
4189 (record_set): Handle LO_SUM like PLUS.
4190 (init_alias_analysis): When following chains of base addresses,
4191 do not stop on reaching a hard register.
4193 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
4195 * version.c: Bump for new snapshot.
4197 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
4199 * alpha.h (ARCH_ASM_FILE_START): Define.
4200 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
4201 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
4203 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
4205 * Makefile.in (install-common): Put gcov comment at start of line.
4207 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
4209 * alias.c (init_alias_analysis): When simplifying the reg_base_value
4210 array, simplify entries for hard registers too.
4212 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
4214 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
4217 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
4219 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
4220 block_stack before dereferencing it.
4222 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
4224 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
4226 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4228 * cplus-dem.c: Add 'extern' to prepends_underscore.
4230 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
4232 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
4233 (get_issue_rate): Delete.
4234 * pa.h (ISSUE_RATE): Define.
4236 * configure.in: Turn on haifa by default for the PA.
4237 * configure: Rebuilt.
4238 * pa.c (override_options): Accept -mschedule=7200 option.
4239 (pa_adjust_cost): No longer need to scale costs for newer
4241 * pa.h (enum processor_type): Add PROCESSOR_7200.
4242 * pa.md: Revamp scheduling parameters to work better with
4243 haifa. Add scheduling parameters for the 7200.
4245 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
4247 (schedule_block): When adjusting basic_block_{head,end}, account
4248 for movement of SCHED_GROUP_P insns too.
4250 * haifa-sched.c (debug_dependencies): Fix thinko.
4252 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
4253 (site.exp, check, check-g++, check-gcc): New targets.
4255 * haifa-sched.c: Make lots of variables static.
4257 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4259 * expr.h, real.h: Finish prototyping.
4261 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
4263 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
4264 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
4265 * reload1.c: Undo bugfix from Aug 11.
4267 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
4269 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
4270 quotes around the name.
4271 * configure: Regenerate.
4273 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
4275 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
4277 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
4279 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
4280 to sub-makes to avoid building more passes than the user might have
4281 requested on the command line.
4283 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
4285 * configure.in: Expurgate `broken_install' (install is
4288 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
4291 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
4293 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
4294 functions and declarations.
4295 (analyze_loop_iterations): Use condjump_p.
4296 (insert_bct): Likewise. Use exact_log2.
4298 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
4300 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
4301 (schedule_region): Likewise.
4302 (schedule_insns): Likewise.
4304 * PROJECTS: Update with Haifa stuff.
4306 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
4308 * version.c: Change the version string to look like:
4309 egcs-2.90.00 970814 (gcc2-970802 experimental).
4311 * loop.c (is_conditional_branch): Make definition match declaration.
4313 * gcc.c: Take out experimental snapshot warning message.
4315 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
4317 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
4318 print out the names of the notes. Print out the name of the insn
4319 that is not a note, and not an {,CALL_,JUMP_}INSN.
4321 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4323 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4324 again for the slot after we give it RTL.
4326 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
4328 * configure.in (haifa configury): Fix typo.
4329 * configure: Regenerate.
4331 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
4333 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
4335 * gcc.info*: Rebuilt.
4337 * COPYING.g77, README.g77: New files.
4338 * real.c (ereal_unto_float, ereal_unto_double): New functions.
4339 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
4340 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
4342 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
4344 * Integrate Haifa instruction scheduler.
4345 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
4346 to sched with $(SCHED_CFLAGS.
4347 * configure.in: Handle --enable-haifa.
4348 * configure: Rebuilt.
4349 * flags.h: Add new flags for haifa instruction scheduler.
4350 * genattrtab.c (expand_units): For haifa, don't subtract one
4351 when computing blockage.
4352 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
4353 (flag_schedule_speculative): Ditto.
4354 (flag_schedule_speculative_load): Ditto.
4355 (flag_schedule_speculative_load_dangerous): Ditto.
4356 (flag_schedule_reverse_before_reload): Ditto.
4357 (flag_schedule_reverse_after_reload): Ditto.
4358 (flag_branch_on_count_reg): Ditto.
4359 (f_options): Add Haifa switches.
4360 (main): Turn off some Haifa options if appropriate macro is
4361 defined. Process Haifa switches.
4362 * unroll.c (iteration_info): No longer static, since Haifa
4364 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
4365 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
4366 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
4367 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
4368 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
4369 storage for the Haifa scheduler.
4370 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
4372 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
4373 are defined, call analyze_loop_iterations and insert_bct to use
4375 (record_giv): Refine test for jumps out of loops if HAIFA is
4377 (analyze_loop_iterations): New function to identify if we can use
4379 (insert_bct): Insert countdown loop.
4380 (instrument_loop_bct): Low level code to insert countdown loop.
4381 (loop_number): Calculate UID of loop.
4382 (indirect_jump_in_function_p): Return true if an indirect jump is
4384 (is_power_of_2): Return true if value is a power of 2.
4385 (is_conditional_branch): Return true if insn is a conditional
4387 (fix_bct_param): Process -fbct-{min,max}-N switches.
4388 (check_bct_param): Return true if loop should be instrumented.
4389 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
4390 (loop_optimize): Initialize.
4391 (get_condition_for_loop): Ditto.
4392 * loop.c (strength_reduce): Inside of code that uses #ifdef
4393 HAVE_decrement_and_branch_on_count code, test it to make sure the
4395 (instrument_loop_bct): Ditto.
4396 * haifa-sched.c: New file.
4399 * Integrate regmove pass.
4400 * Makefile.in (OBJS): Add regmove.o
4401 (regmove.o): Add dependencies.
4402 * flow.c (find_use_as_address): No longer static.
4403 * rtl.h (find_use_as_address): Declare.
4404 * toplev.c (regmove_dump, flag_regmove): Define.
4405 (f_options): Add -fregmove.
4406 (regmove_dump_file, regmove_time): Define.
4407 (fatal_insn): Close the regmove dump file.
4408 (compile_file): Initialize regmove_time; open/close the regmove dump
4409 file as needed. Print regmove time as needed.
4410 (rest_of_compilation): Run regmove pass if requested, dump
4411 RTL after regmove if requested.
4412 (main): If -O2 or more, turn on regmove. Handle dump switches.
4413 * regmove.c: New file.
4415 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
4417 * Integrate tlink patch from jason@cygnus.com
4418 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
4419 (process_command): Increment n_switches for them. Don't discard
4420 their args. Validate them.
4421 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
4423 (process_command): Set include_prefixes from COMPILER_PATH.
4424 (main): Set COLLECT_GCC_OPTIONS sooner.
4425 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
4426 * tlink.c, hash.c, hash.h: New files.
4427 * Makefile.in (USE_COLLECT2): Always use collect2.
4428 (collect2): Depend on and link in hash.o and tlink.o.
4429 (tlink.o, hash.o): Add dependencies.
4431 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
4433 * Integrate alias analysis changes from jfc@mit.edu
4434 * Makefile.in (OBJS): Add alias.o
4435 (alias.o): Add dependencies.
4436 * alias.c: New file.
4437 * sched.c: Remove alias analysis code. It lives in alias.c now.
4438 (sched_analyze_2): Add new arguments to true_dependence.
4439 (schedule_insns): Always call init_alias_analysis.
4440 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
4441 mark return value from such functions as a pointer and keep track of
4442 them for alias analysis. If a return value from a function is a
4443 pointer, mark it as such.
4444 * combine.c (distribute_notes): Handle REG_NOALIAS.
4445 * cse.c (struct write_data): Delete. No longer needed.
4446 (invalidate): Don't call set_nonvarying_address_components anymore.
4447 Use true_dependence to decide if an entry should be removed from
4449 (invalidate_memory): Remove WRITES argument, simplify appropriately.
4451 (note_mem_written): Similarly for WRITE_PTR argument.
4452 (invalidate_from_clobbers): Similarly for W argument.
4453 (invalidate_for_call): Remove memory elements from the hash table.
4454 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
4455 (cse_rtx_varies_p): New function. Derived from old
4456 cse_rtx_addr_varies_p.
4457 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
4458 Don't call note_mem_written anymore. Stack pushes invalidate the stack
4459 pointer if PUSH_ROUNDING is defined. No longer need to call
4460 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
4461 (skipped_writes_memory): Remove variable.
4462 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
4463 (invalidate_skipped_block): Simplify for new alias analysis code.
4464 (cse_set_around_loop): Likewise.
4465 (cse_main): Call init_alias_analysis.
4466 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
4467 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
4468 (f_options): Add new alias checking arguments.
4469 (main): Set flag_alias_check when optimizing.
4470 * local_alloc (validate_equiv_mem_from_store): Add new arguments
4472 (memref_referenced_p): Likewise.
4473 * loop.c (NUM_STORES): Increase to 30.
4474 (prescan_loop): Only non-constant calls set unknown_address_altered.
4475 (invariant_p): Add new arguments to true_dependence.
4476 (record_giv): Initialize unrolled and shared fields.
4477 (emit_iv_add_mult): Call record_base_value as needed.
4478 * loop.h (struct induction): Add unrolled and shared fields.
4479 * unroll.c (unroll_loop): Call record_base_value as needed.
4480 (copy_loop_body): Likewise.
4481 (final_biv_value): Likewise.
4482 (final_giv_value): Likewise.
4483 (find_splittable_regs): Likewise. Only create one new pseudo
4484 if we have multiple address GIVs that were combined with the same
4485 dst_reg GIV. Note when a new register is created due to unrolling.
4486 * rtl.c (reg_note_name): Add REG_NOALIAS.
4487 * rtl.h (enum reg_note): Similarly.
4488 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
4489 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
4490 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
4491 (true_dependence, read_dependence, anti_dependence): Likewise.
4492 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
4493 (mark_user_reg, mark_reg_pointer): Likewise.
4496 * Integrate reload bugfix from Wilon which enables the PA port
4498 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
4499 OPERAND_ADDRESS when computing how many registers an insn needs.
4500 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
4502 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
4504 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
4505 in reload_reg_use_in_op_addr do not reach the end.
4506 do not reach the end.
4507 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
4508 RELOAD_FOR_OPERAND_ADDRESS.
4510 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
4512 * egcs project officially starts.