1 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * sparc.c (output_cbranch): Add default case in
6 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
7 (emit_delay_sequence): Eliminate unused parameter, all callers
9 (fill_simple_delay_slots): Likewise.
10 (fill_slots_from_thread): Likewise.
11 (fill_eager_delay_slots): Likewise.
12 (mark_referenced_resources): Add default case in enumeration switch.
13 (mark_set_resources): Likewise.
14 (rare_destination): Likewise.
15 (mostly_true_jump): Likewise.
16 (find_dead_or_set_registers): Likewise.
17 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
18 (update_reg_unused_notes): Remove unused variable `p'.
19 (mark_target_live_regs): Remove unused variables `next' and
21 (fill_simple_delay_slots): Remove unused variable `j'.
22 (fill_slots_from_thread): Add parentheses around assignment used
24 (dbr_schedule): Likewise.
26 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
27 (objc.stage2, objc.stage3, objc.stage4): Likewise.
29 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
31 * cse.c (simplify_ternary_operation): Don't try to simplify
32 IF_THEN_ELSE expressions (created by combine) that don't use
35 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
37 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
40 * crtstuff.c (init_dummy): Keep the epilogue in the init
41 section for non-ELF systems.
43 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
45 * sh.md (movqi_i+1): New peephole.
47 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
49 * Makefile.in: Remove remaining bytecode stuff.
50 * emit-rtl.c, expr.c: Likewise.
52 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
54 * toplev.c (lang_options): Add unknown-pragma options.
56 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
58 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
59 special (and incomplete) handling for Chill arrays.
61 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
63 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
66 Fri Jan 23 00:19:36 1998 Gavin Kock (gavin@cygnus.com)
68 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
70 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
72 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
73 .frame directive instead of FRAME_POINTER_REGNUM.
75 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
77 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
78 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
79 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
80 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
81 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
82 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
83 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
84 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
86 * longlong.h: Replace __mc68332__ with __mcpu32__.
88 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
90 * version.c: Bump for snapshot.
92 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
94 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
95 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
96 * reload1.c (eliminate_regs): Likewise.
98 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
100 * regmove.c (find_matches): Initialize matches->earlyclobber too.
102 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
104 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
105 (negsf2, negdf2): Use proper subtract in IEEE mode.
107 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
109 * Makefile.in: Remove more bytecode stuff.
110 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
111 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
112 * f/install.texi, objc/Make-lang.in: Likewise.
114 * Makefile.in: Remove all bytecode support.
115 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
116 * emit-rtl.c: Remove all bytecode support.
117 * expr.c, expr.h function.c, integrate.c: Likewise.
118 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
119 * tree.h, varasm.c: Likewise.
120 * config/m68k/m68k.h: Likewise.
121 * bi-*, bc-*, bytecode*: Delete bytecode related files.
122 * modemap.def: Likewise.
124 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
126 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
127 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
129 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
131 * i386.md (push): Prohibit symbolic constants if flag_pic.
132 (movsi+1): Likewise for move to non-register.
134 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
136 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
137 (print_operand): Handle 0xffffffff on 32 bit host.
139 * configure.in (thread_file): Rename uses before main loop to
140 target_thread_file. Initialize to empty in main loop. Set thread_file
141 to target_thread_file after main loop if not set.
142 * configure: Rebuild.
144 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
145 (add_values_to_cover): Revert last change (which had no ChangeLog
147 (simplify_with_current_value_aux): Handle CONST_INT.
149 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
151 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
153 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
155 * configure.in: Add cpp stringify test.
156 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
157 * gengenrtl.c: Use it.
158 * configure, config.in: Rebuild.
160 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
162 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
164 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
166 * configure.in: Find declaration for sbrk.
167 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
168 * config.in, configure: Rebuild.
169 * mips-tfile.c: Properly protect declaration of sbrk and free.
170 * toplev.c: Properly protect declaration of sbrk.
172 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
174 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
176 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
178 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
180 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
182 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
184 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
186 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
187 constant offset computations from objects with known alignment in
188 the presence of STACK_BIAS.
190 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
192 (const_hash): Hash val is unsigned long.
195 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
197 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
198 char pointer, not HOST_WIDE_INT.
199 (print_node): Likewise. Also hash is unsigned long not
202 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
204 * explow.c (optimize_save_area_alloca): New function for targets
205 where SETJMP_VIA_SAVE_AREA is true.
206 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
207 compute the amount of stack space needed should we find later that
208 setjmp is never called by this function, stuff rtl for this inside
209 a REG_NOTE of the final SET of stack_pointer_rtx.
210 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
211 current_function_calls_alloca, call optimize_save_area_alloca.
213 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
215 * i386.md: Remove redundant integer push patterns.
216 Don't bother checking for TARGET_PUSH_MEMORY when
217 pushing constants or registers.
219 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
220 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
222 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
223 (pwait): New function for mingw32.
225 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
226 pipe support is broken for now.
228 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
230 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
231 between frame_pointer_rtx, hard_frame_pointer_rtx, and
232 arg_pointer_rtx is respected in initialization.
233 (init_emit_once): Use gen_rtx_raw_REG() to create
234 return_address_pointer_rtx.
236 * reorg.c: #include "expr.h" for rtx prototypes.
237 * Makefile.in (reorg.o): Depend on expr.h
239 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
241 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
242 local_prefix to sub-make invocations.
244 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
246 * objc-parse.c: Recognize protocol qualifiers in class definitions.
248 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
252 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
253 * configure.in: Check for atol.
254 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
256 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
258 * loop.c (find_and_verify_loops): When attempting to move insns from
259 inside the loop outside the loop, create a BARRIER if no suitable
262 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
263 favor of an equivalent change from gcc-2.8.
265 * i386/x-sco5 (CC): Remove trailing whitespace.
267 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
269 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
270 (accessor_from_format): Likewise.
271 (xmalloc): New function for use when linking with alloca.o.
273 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
275 * frame.c (find_fde): Correct FDE's upper bound.
277 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
279 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
281 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
283 * calls.c (expand_call): Move #ifdef code out of macro argument
285 (emit_library_call, emit_library_call_value): Likewise.
287 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
289 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
291 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
293 * version.c: Bump for snapshot.
295 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
297 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
298 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
299 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
300 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
301 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
302 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
303 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
304 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
305 * unroll.c, varasm.c: Likewise.
306 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
308 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
310 * mips.h: Fix some type-o's from a previous change.
312 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
314 * loop.c (check_dbra_loop): Make sure initial value is a
315 CONST_INT before trying to normalize it.
317 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
319 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
321 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
323 * cppexp.c: Include gansidecl.h
325 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
327 * svr4.h (LINK_SPEC): Never specify -h.
328 * ptx4.h (LINK_SPEC): Likewise.
329 * rs6000/sysv4.h (LINK_SPEC): Likewise.
330 * sparc/sol2.h (LINK_SPEC): Likewise.
332 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
334 * c-typeck.c (comptypes): Exit early on NULL input.
336 * haifa-sched.c (schedule_insns): Correctly remove inter-block
337 dependencies after reload.
339 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
341 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
343 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
345 * alpha/vms.h (DIR_SEPARATOR): define
347 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
349 * Makefile.in (stamp-proto): Remove.
350 (protoize.o, unprotoize.o): Straightforward compile.
351 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
353 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
355 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
356 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
358 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
360 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
361 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
362 * sparc/netbsd.h, vax/netbsd.h: Likewise.
364 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
366 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
368 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
370 * configure.in (target_cpu_default, target_cpu_default2): Use double
371 quotes around them when testing their value.
372 * configure: Rebuilt.
374 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
376 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
378 (gendef): Call obstack_alloc_rtx.
380 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
382 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
385 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
387 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
388 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
389 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
391 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
393 * mips.md (return_internal): Change mode from SImode to VOIDmode.
395 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
397 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
400 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
402 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
403 suffix from operand 3.
405 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
406 Jeffrey A Law (law@cygnus.com)
408 * regmove.c: New implementation of regmove pass.
409 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
410 decls, make them have external linkage. Return a value from
412 * reload.h (count_occurrences): Add decl.
413 * reload1.c (count_occurrences): Delete decl, make it have external
415 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
417 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
419 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
420 if it is not defined.
422 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
424 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
425 * emit-rtl.c (gen_rtx): Move special code to ...
426 (gen_rtx_CONST_INT): New function.
427 (gen_rtx_REG): New function.
428 (*): Update all calls to gen_rtx.
429 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
430 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
431 (GEN_INT): Call gen_rtx_CONST_INT.
432 * gengenrtl.c: New file.
434 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
436 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
437 (base_alias_check): If no base found for address call canon_rtx and
440 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
442 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
443 arguments for mips16.
444 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
445 Don't lose if tsize is zero after handling large stack for mips16.
446 * mips.md (return): For trivial return, return address is in $31.
448 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
450 * mips/mips16.S: Various changes to make it work with -msingle-float
453 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
454 Ian Lance Taylor <ian@cygnus.com>
455 Jeff Law <law@cygnus.com>
457 * mips.c, mips.h, mips.md: First cut at merging in mips16
458 support. Major modifications throughout all three files.
460 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
462 * configure.in: Make gthr-default.h a forwarding header instead of
465 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
467 * gcov-io.h: Include sys/types.h to ensure we get size_t.
469 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
471 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
472 Jeffrey A Law (law@cygnus.com)
474 * crtstuff.c (__frame_dummy): New function for irix6.
475 (__do_global_ctors): Call __frame_dummy for irix6.
476 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
478 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
480 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
482 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
484 * c-decl.c (init_decl_processing): Provide proper fallback symbol
485 for __builtin_memset.
486 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
487 not INTEGER_CST. Assert arg 3 is a constant.
489 * alpha.c (mode_width_operand): Accept 64-bit modes.
490 (mode_mask_operand): Likewise.
491 (print_operand): Likewise for 'M' and 'U' codes.
492 (alpha_expand_unaligned_load): New function.
493 (alpha_expand_unaligned_store): Likewise.
494 (alpha_expand_unaligned_load_words): Likewise.
495 (alpha_expand_unaligned_store_words): Likewise.
496 (alpha_expand_block_move): Likewise.
497 (alpha_expand_block_clear): Likewise.
498 * alpha.h (MOVE_RATIO): New define.
499 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
500 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
502 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
503 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
505 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
507 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
510 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
512 * emit-rtl.c (operand_subword): Correctly handle extracting a word
513 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
515 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
518 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
520 * configure.in: Set and subsitute host_exeext. Use it when creating
521 the assembler and linker symlinks.
522 * configure: Rebuild.
523 * Makefile.in (exeext): Set to @host_exeext@.
524 (build_exeext): New variable, set to @build_exeext@.
525 (FLAGS_TO_PASS): Pass down build_exeext.
526 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
529 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
531 * mn10200.md (addsi3, subsi3): Fix thinkos.
533 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
535 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
536 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
537 unix always, since we want to be able to thunk to functions in a
538 shared library from an application.
540 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
542 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
543 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
545 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
547 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
548 offset's mode is not ptr_mode, convert it.
550 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
552 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
553 compiling if it was already defined.
555 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
557 * flow.c (find_basic_blocks): Don't create a new basic block
558 for calls in a LIBCALL block.
560 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
562 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
564 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
566 * cse.c (rtx_cost): Remove conflicting default case.
568 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
570 * configure.in: Move default enabling of Haifa out of for loop.
571 * configure: Rebuild.
573 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
575 * version.c: Bump for snapshot.
577 1997-12-25 Teemu Torma <tot@trema.com>
579 * Makefile.in (GTHREAD_FLAGS): New var.
580 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
581 (distclean): Remove gthr-default.h.
583 * configure.in: Accept dce as a thread package.
584 Check for thread.h and pthread.h.
585 Link gthr-default.h to appropriate thread file and set
587 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
588 include multilib definitions from pa/t-dce-thr.
589 (sparc-*-solaris2*): Enable threads by default, if thread.h or
590 pthread.h is found, preferring posix threads over solaris ones.
592 * config/pa/t-dce-thr: New file.
593 * config/pa/t-pa: Removed multilibs.
594 * config/sparc/t-sol2: Ditto.
597 * gthr-single.h: New file.
598 * gthr-posix.h: New file.
599 * gthr-solaris.h: New file.
600 * gthr-dce.h: New file.
601 * libgcc-thr.h: Removed.
602 * objc/thr-dce.c: New file copied from thr-decosf1.c.
604 * frame.c: Include gthr.h instead of libgcc-thr.h.
605 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
606 (eh_context_initialize): If __gthread_once fails, use static eh
608 (eh_context_free): Call __gthread_key_dtor.
610 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
612 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
614 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
616 * cse.c (max_insn_uid): New variable.
617 (cse_around_loop): Use max_insn_uid.
618 (cse_main): Set max_insn_uid.
620 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
621 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
622 -mlong64, and -mgp{32,64} options.
623 * mips.c (mips_abi): Change type to int.
624 * mips.h (enum mips_abi_type): Delete.
625 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
626 (mips_abi): Change type to int.
628 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
630 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
631 optimization is now always enabled.
633 * calls.c (expand_call): Recognize C++ operator new as malloc-like
636 * alias.c (memrefs_conflict_p): Eliminate tests now done by
638 (*_dependence): Call canon_rtx before base_alias_check.
639 (init_alias_once): New function to precompute set of registers which
640 can hold Pmode function arguments.
642 * rtl.h: Declare init_alias_once.
644 * toplev.c (compile_file): Call init_alias_once.
646 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
648 * tree.c (restore_tree_status): Do not dereference a null pointer.
650 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
652 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
653 RLIMIT_STACK. This maintains consistency with the recent, similar
654 patch to cccp.c and toplev.c.
656 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
658 * genattrtab.c (expand_units): For large nr opclasses, expand
659 function_units_used with ORX to prevent blowups. Tag with FFS.
660 (num_unit_opclasses): New variable.
661 (gen_unit): Update it.
662 (enum operator): Add ORX_OP.
663 (operate_exp): Treat ORX as or, except don't expand across an if.
664 Reuse number rtx's after operating on them.
665 (check_attr_value): Accept IOR, AND, & FFS.
666 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
667 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
668 (write_expr_attr_cache, write_toplevel_expr): New functions.
669 (write_attr_get): Handle FFS-tagged expressions.
670 (make_canonical): Don't expand const attributes.
671 (convert_const_symbol_ref): Dike out.
672 (evaluate_eq_attr): Handle SYMBOL_REF.
673 (main): Don't emit get_attr_foo for const attributes.
675 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
676 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
677 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
678 * alpha.md: Redo all of the scheduling, adding EV6 support, and
679 combining function units where possible.
680 (attr "type"): Split loads, stores, cmov into int/fp. Combine
681 multiplies and divides. Add EV6 sqrt, ftoi, itof.
682 (attr "opsize"): New attribute.
683 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
684 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
685 to control register allocation.
686 (movsi2-1, movdi2-1): Likewise.
688 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
690 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
691 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
692 Move OSF/1 specific defines out.
693 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
694 Move Linux specific defines out.
695 (LINK_SPEC): Genericize.
696 (ASM_FILE_START): Emit .arch if using more than the base insn set.
697 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
698 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
699 (HANDLE_SYSV_PRAGMA): Define.
700 * alpha/osf.h: New file.
701 * alpha/linux.h: Split. Retain file-format independant defines.
702 Import Linux bits from elf.h.
703 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
704 (FUNCTION_PROFILER): _mcount takes its address in $28.
705 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
706 * alpha/linux-ecoff.h: New file.
707 * alpha/linux-elf.h: New file.
708 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
709 * alpha/win-nt.h (TARGET_DEFAULT): Define.
710 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
711 Add new headers as appropriate.
713 * configure.in (alpha*): Enable Haifa by default.
714 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
715 * configure: Rebuild.
717 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
719 * Makefile.in (clean): Remove the stages with their objects here ...
720 (distclean): ... instead of here.
722 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
724 * cse.c (rtx_cost): Add default case in enumeration switch.
725 * fix-header.c (recognized_macro): Likewise.
726 (recognized_extern): Likewise.
727 (write_rbrac): Likewise.
728 * objc/objc-act.c (encode_aggregate): Likewise.
729 (gen_declarator): Likewise.
730 (gen_declspecs): Likewise.
732 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
734 * haifa-sched.c (create_reg_dead_note): Detect and handle another
735 case where we kill more regs after sched than were killed before
737 * sched.c (create_reg_dead_note): Similarly.
739 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
741 * c-pragma.c: Include flags.h.
743 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
745 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
746 about system headers.
747 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
748 and also to resolve symbols in prefix.c.
750 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
751 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
752 when the definitions in auto-config.h is not visible.
753 (HAVE_BZERO): Likewise.
754 (HAVE_BCMP): Likewise.
755 (HAVE_RINDEX): Likewise.
756 (HAVE_INDEX): Likewise.
758 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
760 * pa.c (emit_move_sequence): Handle a function label source
763 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
765 * c-pragma.c (handle_pragma_token): Generate warning messages
766 about unknown pragmas if warn_unknown_pragmas is set.
768 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
769 line option to set variable: warn_unknown_pragmas.
771 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
773 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
775 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
777 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
779 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
780 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
781 generate more fine grained floating point emulation libraries.
782 * config/fp-bit.c: Add protecting #ifdef to all functions so
783 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
784 then compile all suitable functions.
785 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
786 underscores to avoid namespace pollution.
787 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
789 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
793 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
794 Jeff Law <law@cygnus.com>
796 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
798 * c-decl.c (finish_decl): Use parentheses around && within ||.
799 * rtl.c: Include stdlib.h.
800 (read_skip_spaces): Add parentheses around assignments used as
802 (read_rtx): Initialize list_rtx.
803 * cppexp.c (parse_number): Use || when operands are truth values.
804 * alias.c (find_base_value): Add default case.
805 (memrefs_conflict): Likewise.
806 * combine.c (sets_function_arg_p): Likewise.
807 * genemit.c (gen_exp): Likewise.
808 * local-alloc.c (contains_replace_regs): Likewise.
809 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
810 * fold-const.c (fold_convert): Use "&&" for truth values.
811 (fold): Add default case.
812 * sdbout.c (sdbout_field_types): Fix typo in declaration.
813 (sdbout_one_type): Add default case.
814 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
815 (some_operand): Add default case.
816 (input_operand): Likewise.
817 (signed_comparison_operator): Likewise.
818 (divmod_operator): Likewise.
819 (alpha_set_memflags_1): Likewise.
820 * reload1.c (reload_cse_simplify_operands): Ensure function
821 always returns a value.
822 * scan-decls.c (scan_decls): Likewise.
823 * c-lex.c (skip_white_space): Fix typo in declaraion.
824 * c-typeck.c (comp_target_types): Add parentheses around assignment
826 (print_spelling): Likewise.
827 (constructor_implicit, constructor_result): Remove unused variables.
828 * collect2.c (scan_library): Protect prototype with
829 #ifdef SCAN_LIBRARIES.
830 * emit-rtl.c (find_line_note): Fix typo in declaration.
831 * final.c (asm_insn_count): Protect prototype with
832 #ifdef HAVE_ATTR_length.
833 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
834 (try_pre_increment_1, try_pre_increment): Likewise.
835 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
836 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
837 * gcov-io.h (__store_long, __write_long, __read_long): Fix
838 unsigned/signed comparisons.
839 * gcov.c (read_files): Remove unused "first_type" variable.
840 (scan _for_source_files): Initialize s_ptr.
841 (function_summary): Eliminate "%lf" formatting, use %ld for
843 (output_data): Initialize branch_probs and last_line_num.
844 Eliminate "%lf" formatting, use "%ld" for longs.
846 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
848 * mips16.S: New file.
850 * libgcc2.c (varargs): Handle mips16.
852 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
854 * stmt.c (expand_end_case): Likewise.
855 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
856 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
857 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
859 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
861 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
863 (libobjc.a): Update dependency list.
864 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
866 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
867 (objc.mostlyclean): Remove runtime-info.h.
869 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
871 * tree.c (build_range_type): Allow creation of ranges with no maximum.
872 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
873 * dwarf2out.c (add_subscript_info): Likewise.
874 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
875 * sdbout.c (plain_type_1): Likewise.
876 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
878 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
881 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
883 * mips.c (fatal): Remove declaration.
885 1997-12-18 Mark Mitchell <mmitchell@usa.net>
887 * integrate.c (get_label_from_map): New function.
888 (expand_inline_function): Use it. Initialize the label_map to
889 NULL_RTX instead of gen_label_rtx.
890 (copy_rtx_and_substitute): Use get_label_from_map.
891 * integrate.h (get_label_from_map): New function.
892 (set_label_from_map): New macro.
893 * unroll.c (unroll_loop): Use them.
894 (copy_loop_body): Ditto.
896 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
898 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
899 (INIT_TARGET_OPTABS): Define.
900 * mips/ecoff.h: Include gofast.h before mips.h.
901 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
902 * mips/elf64.h: Likewise.
903 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
905 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
907 * except.c: Remove register_exception_table{,_p}.
909 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
911 * unroll.c (calculate_giv_inc): Handle constant increment found in
912 a MEM with an appropriate REG_EQUAL note.
914 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
916 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
917 frame pointer in the prologue.
919 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
921 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
922 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
924 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
926 * config/m68k/m68k.c (output_function_prologue): Typecast
927 dwarf2out_cfi_label to (char *).
928 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
930 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
932 * sparc.md (jump): Don't use the annul bit around an empty loop.
933 Patch from Kevin.Kelly@East.Sun.COM.
935 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
937 * jump.c: (jump_optimize): Don't use the return register as a
938 source1 of a conditional move.
940 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
942 * sparc.c (DF_MODES): Or the mask not the bit number.
943 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
945 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
947 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
949 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
951 * fixincludes (size_t): Add support for Motorola's stdlib.h
952 which fails to provide a definition for size_t.
953 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
954 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
955 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
957 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
958 prevent unresolved externals in libio.
959 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
961 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
963 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
964 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
965 (LIB_SPEC): Updated for glibc 2.
967 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
969 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
970 * ginclude/varargs.h: Likewise.
972 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
974 * version.c: Bump for snapshot.
976 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
978 * frame.h (__register_frame, __register_frame_table,
979 __deregister_frame): New.
980 * frame.c (__register_frame, __register_frame_table,
981 __deregister_frame): New.
982 * frame.c (__deregister_frame_info): Return void *.
983 * frame.h (__deregister_frame_info): Ditto.
984 * collect2.c (__deregister_frame_info): Ditto.
986 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
988 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
990 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
992 * alpha.c (alpha_cpu_name): New variable.
993 (alpha_mlat_string): Likewise.
994 (alpha_memory_latency): Likewise.
995 (override_options): Handle -mmemory-latency.
996 (alpha_adjust_cost): Adjust load cost for latency.
997 * alpha.h (TARGET_OPTIONS): Add meory-latency.
998 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
999 TARGET_CIX into account.
1000 (MEMORY_MOVE_COST): Define in terms of memory_latency.
1001 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
1003 * alpha.h (ASM_COMMENT_START): New macro.
1005 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
1007 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
1008 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
1010 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1011 SUBREG_REG if the word count is unchanged.
1012 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
1013 subregs of identical word size for push_reload.
1015 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
1017 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
1018 if all we're doing is dealing with -Wreturn-type.
1020 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
1022 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
1023 Use and 255 instead of zapnot 1, since it schedules better.
1025 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
1027 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
1030 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
1032 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
1033 dependency we delete. Properly update prev for multiple consecutive
1035 (priority): Skip deleted dependence.
1037 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
1039 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
1041 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1043 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
1044 determining when a new basic block starts.
1046 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
1048 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
1049 * pa.md (iorsi3): Add missing args to *_operand calls.
1051 * except.c (call_get_eh_context): Don't mess with sequences.
1052 (emit_eh_context): Include the call in the sequence here.
1054 1997-12-11 Paul Eggert <eggert@twinsun.com>
1056 * collect2.c (write_c_file_glob): Allocate initial frame object
1057 in static storage and pass its address.
1059 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1061 * except.c (call_get_eh_context): Don't take a parm.
1062 Put the call at the top of the function.
1063 (emit_eh_context): Adjust.
1064 (get_eh_context): Replace with former use_eh_context.
1065 (get_eh_context_once, get_saved_pc_ref): Remove.
1066 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
1068 * integrate.c (expand_inline_function): Adjust.
1069 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
1071 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
1073 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
1074 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
1076 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
1078 * fixincludes (strlen,strspn,strcspn return value): Handle different
1080 (hypot): Provide a fake for hypot which is broken on
1081 m88k-motorola-sysv3.
1083 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
1085 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
1086 tree_code_name from pointers to arrays.
1087 * tree.c: Remove standard_tree_code_* variables, no longer used.
1088 * print-tree.c: Remove declaration of tree_code_name.
1090 * cp/lex.c (init_lex): Update for tree_code_* changes.
1091 * objc/objc-act.c (init_objc): Likewise.
1093 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
1096 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
1098 * config.sub: Add support for BeOS target.
1099 * configure.in: Likewise.
1100 * ginclude/stdarg.h: Likewise.
1101 * ginclude/stddef.h: Likewise.
1102 * ginclude/varargs.h: Likewise.
1103 * rs6000/beos.h: New file for BeOS.
1104 * rs6000/t-beos: Likewise.
1105 * rs6000/x-beos: Likewise.
1106 * rs6000/xm-beos.h: Likewise.
1107 * toplev.c (get_run_time): Just return 0 on BeOS.
1109 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
1110 Toon Moene (toon@moene.indiv.nluug.nl)
1112 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
1113 old and broken Sun3 assemblers. Newer versions handle large
1114 offsets correctly as does the GNU assembler.
1116 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1118 * objc/objc-act.c (lang_report_error_function): Disable.
1119 * objc/objc-parse.y: Include "output.h".
1120 (yyerror): Remove redundant decl.
1121 (yyprint): Fix prototype.
1122 (apply_args_register_offset): Remove redundant decl.
1123 (get_file_function_name): Likewise.
1125 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
1127 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
1129 (find_basic_blocks_1): Likewise.
1131 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1133 * except.c (use_eh_context): Don't copy_rtx a REG.
1134 (emit_throw): Lose old unwinder support.
1135 (expand_internal_throw): Likewise.
1136 * libgcc2.c (struct eh_context): Likewise.
1137 (new_eh_context): Likewise.
1138 (__get_eh_info): Lose redundant cast.
1139 (__get_dynamic_handler_chain): Likewise.
1140 (__get_saved_pc): Lose.
1141 Lose all old unwinder support code.
1143 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
1145 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
1147 * integrate.c (expand_inline_function): If the inline fn uses eh
1148 context, make sure that the current fn has one.
1149 * toplev.c (rest_of_compilation): Call emit_eh_context.
1150 * except.c (use_eh_context): New fn.
1151 (get_eh_context_once): New fn.
1152 (call_get_eh_context): New fn.
1153 (emit_eh_context): New fn.
1154 (get_eh_context): Call either get_eh_context_once or
1155 call_get_eh_context, depending on what we have.
1156 (get_dynamic_handler_chain): Call get_eh_context_once.
1157 * except.h: Prototypes for fns above.
1158 * optabs.c (get_eh_context_libfunc): Removed.
1159 (init_optabs): Don't initialize it.
1160 * expr.h (get_eh_context_libfunc): Removed.
1161 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
1162 * config/pa/pa.h (CPP_SPEC): Support for -threads.
1163 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
1164 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
1165 New multilib for -threads.
1166 * config/sparc/t-sol2: Added multilibs for -threads and
1167 made -pthreads alias to it.
1168 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
1169 Added -threads and -pthreads options.
1170 * libgcc-thr.h: New file.
1171 * libgcc2.c: (__get_cpp_eh_context): Removed.
1172 (struct cpp_eh_context): Removed.
1173 (struct eh_context): Replaced cpp_eh_context with generic language
1175 (__get_eh_info): New function.
1176 (__throw): Check eh_context::info.
1178 * libgcc2.c: Include libgcc-thr.h.
1179 (new_eh_context, __get_eh_context,
1180 eh_pthread_initialize, eh_context_initialize, eh_context_static,
1181 eh_context_specific, eh_context_free): New functions.
1182 (get_eh_context, eh_context_key): New variables.
1183 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
1184 get_eh_context to get the context.
1185 (longjmp): Move the declaration inside
1186 #ifdef DONT_USE_BUILTIN_SETJMP.
1187 * frame.c: Include libgcc-thr.h.
1188 (object_mutex): Mutex to protect the object list.
1189 (find_fde, __register_frame, __register_frame_table,
1190 __deregister_frame): Hold the lock while accessing objects.
1191 * except.h (get_eh_context): Declare.
1192 * except.c (current_function_ehc): Define.
1193 (current_function_dhc, current_function_dcc): Removed.
1194 (get_eh_context): New function.
1195 (get_dynamic_handler_chain): Use get_eh_context.
1196 (get_saved_pc_ref): Ditto.
1197 (get_dynamic_cleanup_chain): Removed references to
1198 current_function_dcc.
1199 (save_eh_status, restore_eh_status): Save and restore
1200 current_function_ehc instead.
1201 * optabs.c (get_eh_context_libfunc): New variable.
1202 (init_optabs): Initialize it.
1203 * expr.h: Declare get_eh_context_libfunc.
1204 * function.h (struct function): Replaced dhc and dcc with ehc.
1205 * except.c (get_saved_pc_ref): New functions.
1206 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
1207 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
1209 (end_eh_unwinder): Likewise.
1210 (init_eh): Remove initialization of eh_saved_pc.
1211 * optabs.c (get_saved_pc_libfunc): New variable.
1212 (init_optabs): Initialize it.
1213 * expr.h: Declare get_saved_pc_libfunc.
1214 * except.h (eh_saved_pc_rtx): Deleted.
1215 (get_saved_pc_ref): Declared.
1217 From Scott Snyder <snyder@d0sgif.fnal.gov>:
1218 * libgcc2.c (__get_saved_pc): New.
1219 (__eh_type, __eh_pc): Deleted.
1220 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
1221 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
1224 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
1226 * sparc/sol2.h: Use 64 bit multiply and divide functions in
1227 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
1230 * rtl.h (global_rtl): New variable, replacing separate variables for
1232 (const_int_rtx): Now array of rtx_def, not rtx.
1233 * emit-rtl.c: Update for new rtl data structures.
1234 * genattrtab.c: Define global_rtl.
1236 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
1238 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
1241 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
1243 * crtstuff.c (__do_global_ctors): Fix typo.
1245 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
1247 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1248 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1250 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
1252 * rs6000.h (FUNCTION_ARG_PADDING): Define.
1253 * rs6000.c (function_arg_padding): New function.
1255 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
1257 * m68k.c: Include tree.h only once.
1259 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1261 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
1263 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
1265 * Partially cleaned up prototyping code from HJ.
1266 * tree.h: Add many prototypes.
1267 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
1268 All references changed.
1269 * rtl.h: Protect from multiple inclusions. Add many prototypes.
1271 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
1273 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
1274 string functions like strlen.
1276 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
1278 * configure.in: Check for functions getrlimit and setrlimit.
1279 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1280 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1282 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
1284 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
1286 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
1288 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
1291 * alpha.c (override_options): Don't know about scheduling for EV6.
1292 * alpha.md (ev5 function units): Don't overload as ev6.
1294 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
1295 * alpha.md (define_attr type): Add mvi.
1296 (ev5_e0): Define sceduling parameters for it.
1297 (TARGET_MAX insns): Type is mvi not shift.
1299 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
1301 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
1303 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1305 * cstamp-h, auto-config.h: Delete.
1307 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
1309 * version.c: Bump for snapshot.
1311 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
1313 * cccp.c: Fix typo brought over in merge.
1315 * Merge in changes from gcc-2.8.
1317 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
1319 * m68k.c: Include tree.h for dwarf2out_cfi_label.
1321 * gcc.c (process_command): Do not take address of function fatal when
1322 calling lang_specific_driver.
1324 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
1326 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
1327 doesn't work with it yet, so set it to 0.
1328 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
1330 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1332 * cse.c (cse_insn): Check for invalid entries when taking references.
1334 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1336 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
1337 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
1338 * toplev.c (rest_of_compilation): Pass it. Remove code to
1339 save / clear / restore flag_unroll_{,all_}loops.
1341 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1343 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
1345 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
1347 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
1349 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
1351 * except.c (get_dynamic_handler_chain): Only make the call once per
1354 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
1356 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1358 * sh.c (final_prescan_insn): Use local label prefix
1359 when emitting .uses pseudo-ops.
1361 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1363 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
1364 * except.c: Lose outer_context_label_stack.
1365 (expand_eh_region_end): Rethrow from outer_context here.
1366 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
1367 (expand_internal_throw): Take no args.
1368 (expand_internal_throw_indirect): Lose.
1369 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
1370 (expand_start_all_catch): Start a rethrow region.
1371 (expand_end_all_catch): End it.
1372 (expand_rethrow): New fn.
1373 * except.h: Reflect above changes.
1374 * flow.c: Revert change of Nov 27.
1376 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
1378 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
1380 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1382 * except.c (expand_fixup_region_end): New fn.
1383 (expand_fixup_region_start): Likewise.
1384 (expand_eh_region_start_tree): Store cleanup into finalization here.
1385 * stmt.c (expand_cleanups): Use them to protect fixups.
1387 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
1389 * mips/mips.md (muldi3_r4000): Broaden the output template
1390 and attribute assignments to handle three operand dmult;
1391 rename to muldi3_internal2.
1392 (muldi3): Call the new muldi3_internal2 for R4000, and
1393 any GENERATE_MULT3 chip.
1395 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1397 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
1399 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
1401 * unroll.c (find_splittable_givs): Remove last change. Handle givs
1402 with a dest_reg that was created by loop.
1404 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
1406 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
1408 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
1410 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
1412 * configure.in: Fix NCR entries.
1414 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
1416 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
1417 nested exceptions correctly.
1419 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
1420 that was created by loop.
1422 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1424 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
1426 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
1428 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
1430 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
1431 (print_operand): Use SMALL_DATA_REG for the register involved in
1432 small data relocations.
1433 (print_operand_address): Ditto.
1435 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
1436 -dynamic linker is not used.
1438 * rs6000.md (call insns): For local calls, use @local suffix under
1439 System V. Don't use @plt under Solaris.
1441 * rs6000.c (output_function_profiler): Put label address in r0, and
1442 store LR in 4(sp) for System V/eabi.
1444 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
1445 byte boundary, and maintain stack backchain.
1447 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1449 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1450 fix_truncsfdi2): Change *.
1452 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
1454 * toplev.c (main): Complain about -gdwarfn.
1456 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
1458 * dwarfout.c (output_type): If finalizing, write out nested types
1459 of types we've already written.
1461 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
1463 (patches originally from Geoffrey Keating)
1464 * rs6000.c (function_arg): Excess floating point arguments don't
1465 go into GPR registers after exhausting FP registers under the
1467 (function_arg_partial_nregs): Ditto.
1469 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
1472 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
1474 * integrate.c (output_inline_function): Just unset DECL_INLINE.
1476 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
1478 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
1481 * libgcc2.c (__throw): Initialize HANDLER.
1483 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1485 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1486 fix_truncsfdi2): Change *X to ?*X.
1488 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
1490 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
1492 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
1494 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
1496 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
1498 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
1500 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
1502 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
1503 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
1506 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
1508 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
1509 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
1510 gas and not using the new HP assembler.
1512 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
1514 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
1515 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
1517 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
1519 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
1520 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
1523 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1525 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
1527 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1529 * except.h: Add outer_context_label_stack.
1530 * except.c: Likewise.
1531 (expand_start_all_catch): Push the outer_context for the try block
1532 onto outer_context_label_stack.
1533 (expand_end_all_catch): Use it and pop it.
1535 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
1537 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
1539 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
1541 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
1543 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
1545 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
1546 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1548 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
1550 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
1551 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
1552 __builtin_delete, and __builtin_vec_delete.
1554 * except.c (output_exception_table): Don't bother with
1557 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
1559 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
1560 is an in/out operand.
1561 (zero extended variants of stwm/stwm patterns): Similarly.
1563 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
1565 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
1567 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
1569 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
1570 (output_call_frame_info): Emit a \n after using it.
1572 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
1574 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
1576 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
1578 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
1579 (ASM_OUTPUT_DWARF_VALUE4): New macro.
1580 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
1582 (output_call_frame_info): Do not output forward label differences
1583 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
1584 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
1586 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1588 * sh.md (attribute "type"): Add nil.
1589 (movsi_ie): y/y alternative is type nil.
1590 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
1592 (movsf_ie+1): Delete.
1594 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
1596 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
1597 large_int, emit two insns instead of one splitable insn.
1598 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
1599 from cfa_temp_value, use cfa_offset. Add assert checking that
1602 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
1604 * cccp.c (deps_output): Properly quote file names for make.
1606 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
1608 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
1610 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
1612 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
1614 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
1616 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
1618 (cse_end_of_basic_block): Similarly.
1620 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
1622 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
1623 (SELECT_RTX_SECTION): Define.
1624 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
1626 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
1628 * Makefile.in (compare, compare-lean): Define $stage for each
1630 (gnucompare, gnucompare-lean): Likewise.
1632 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
1634 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
1636 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
1637 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1639 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
1641 * dwarfout.c (byte_size_attribute): Add local var upper_bound
1642 and add case to handle STRING_TYPE.
1643 * dwarfout.c (output_string_type_die): Fix code to generate
1644 correct string length attribute for fixed length strings.
1645 Still needs support for varying length strings.
1647 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
1649 * toplev.c (get_run_time): Do something sensible for cygwin32.
1651 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
1653 * expr.c (expand_builtin_setjmp): Set
1654 current_function_has_nonlocal_label.
1655 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
1656 call-saved registers across calls.
1658 * alpha.md (exception_receiver): Remove.
1659 (nonlocal_goto_receiver_osf): New
1660 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
1661 (nonlocal_goto_receiver): New, select _osf or _vms.
1663 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
1664 keep them from being propogated to the object file.
1665 (alpha_write_linkage): Likewise.
1666 * alpha.md (call_vms): Likewise.
1667 (call_value_vms): Likewise.
1668 (unnamed osf call insns): Likewise.
1670 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
1671 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1673 * alpha.c (call_operand): Any reg is valid for WinNT.
1674 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
1675 (anon nt calls): Add 'R' alternative.
1676 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
1677 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
1679 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
1681 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
1683 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
1684 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1685 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1687 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
1689 * reload1.c (new_spill_reg): Improve fixed or forbidden register
1690 spill error message.
1692 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1694 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
1695 use varargs.h. Wrap header with <>, not "".
1697 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
1699 * integrate.c (save_for_inline_copying): Add return value from
1702 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
1704 * fixincludes: Be a little more restrictive on what we will
1705 substitute to replace definitions of MAXINT for HPUX.
1707 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
1709 * dbxout.c (dbxout_symbol_location): Don't assume that variables
1710 whose address is the stack or argument pointers are indirect
1713 1997-11-13 Paul Eggert <eggert@twinsun.com>
1715 * cccp.c, cpplib.c (compare_defs):
1716 Don't complain about arg name respellings unless pedantic.
1717 * cpplib.c (compare_defs): Accept pfile as new arg.
1718 All callers changed.
1720 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1722 * fold-const.c (fold_truthop): Fix bug in last change.
1724 1997-11-13 Paul Eggert <eggert@twinsun.com>
1726 Fix some confusion with IEEE minus zero.
1728 * real.h (REAL_VALUES_IDENTICAL): New macro.
1730 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
1731 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
1733 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
1734 same tree structure as 0.0.
1736 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
1737 macro instead of doing it by hand.
1739 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
1741 * v850/lib1funcs.asm: Minor whitespace changes.
1742 * v850.c: Fix minor formatting problems in many places.
1743 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
1745 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
1747 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
1748 xplus1 when xplus0 is not a register.
1750 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
1752 * flow.c (find_basic_blocks): During marking phase, if we encounter
1753 an insn with a REG_LABEL note, make the target block live and
1754 create an edge from the insn to the target block. Do not make
1755 edges from all blocks to the target block.
1757 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
1759 * confiugre.in: Tweak NCR entries.
1760 * configure: Rebuilt.
1762 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
1764 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
1765 pick apart floating point values, instead of using CONST_DOUBLE_LOW
1766 and CONST_DOUBLE_HIGH.
1768 * rs6000.md (define_splits for DF constants): Use the appropriate
1769 REAL_VALUE_* interface to pick apart DF floating point constants in
1770 a machine independent fashion.
1772 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1774 * fold-const.c (fold_truthop): When changing a one-bit comparison
1775 against zero into a comparison against mask, do a proper sign
1778 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
1780 * except.c: Do not include "assert.h".
1781 (save_eh_status): Turn asserts into conditional aborts.
1782 (restore_eh_status, scan_region): Likewise.
1783 * dwarfout.c: Do not include "assert.h".
1784 (bit_offset_attribute): Turn asserts into conditional aborts.
1785 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
1786 (output_inlined_structure_type_die): Likewise.
1787 (output_inlined_union_type_die): Likewise
1788 (output_tagged_type_instantiation): Likewise.
1789 (dwarfout_file_scope_decl): Likewise.
1790 * dwarf2out.c: Do not include "assert.h"
1791 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
1792 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
1793 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
1794 (add_bit_size_attribute, scope_die_for): Likewise.
1795 (output_pending_types_for_scope): Likewise.
1796 (get_inlined_enumeration_type_die): Likewise.
1797 (get_inlined_structure_type_die): Likewise.
1798 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
1799 (gen_tagged_type_instantiation_die): Likewise.
1801 * flow.c (find_basic_blocks): Refine further to get a more correct
1802 cfg, especially in the presense of exception handling, computed
1803 gotos, and other non-trivial cases. Call abort if an inaccuracy
1804 is detected in the cfg.
1806 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1808 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
1810 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
1811 (skip_white_space): Use whitespace_cr.
1812 (check_newline): Handle whitespace more consistently.
1814 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
1816 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
1817 * i386/xm-cygwin32.h (POSIX): Define.
1819 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
1821 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
1822 is available elsewhere.
1824 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
1826 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
1827 what the instruction can handle.
1829 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
1831 * stmt.c (expand_decl_cleanup_no_eh): New fn.
1833 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
1835 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
1837 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
1838 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
1840 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
1842 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
1843 swap instruction order.
1845 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
1847 * fixinc.svr4 (__STDC__): Add another case.
1849 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1851 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
1852 addresses in the epilogue delay slot.
1854 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
1856 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
1857 in generated `specs' file.
1859 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
1861 * flags.h (flag_rerun_loop_opt): Declare.
1862 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
1863 * toplev.c (flag_rerum_loop_opt): Delete static.
1865 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1867 Bring over from FSF:
1869 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1871 * va-sh.h (__va_arg_sh1): Define.
1873 SH3E doesn't use any integer registers for subsequent arguments
1874 once a non-float value was passed in the stack.
1875 * sh.c (machine_dependent_reorg): If optimizing, put explicit
1876 alignment in front label for ADDR_DIFF_VEC.
1877 * sh.h (PASS_IN_REG_P): Fix SH3E case.
1878 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
1880 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1882 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
1885 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1887 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
1888 put an use_sfunc_addr before each sfunc.
1889 * sh.md (use_sfunc_addr, dummy_jump): New insns.
1890 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
1892 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1894 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
1896 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
1898 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
1901 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
1903 * alias.c (find_base_value): Only return the known base value for
1906 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
1908 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
1909 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
1911 (prologue_get_pc_and_set_got): New pattern.
1913 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
1915 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
1916 for SUBREG, just fall through.
1918 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
1920 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
1922 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
1924 * fixincludes: Fix "hypot" prototype in NeXT math.h.
1926 * Makefile.in (USE_ALLOCA): Always include alloca.o.
1927 (USE_HOST_ALLOCA): Likewise.
1929 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
1930 and LABEL_REFS fields.
1931 * rtl.h (LABEL_REFS): Update.
1933 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
1935 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
1936 sets i2dest. When calling distribute_notes for i3dest_killed, pass
1937 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
1940 * mips.md (insv, extzv, extv): Add change_address call.
1941 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
1943 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
1945 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
1947 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
1948 save_restore_insns if no FP and GP will be restored.
1950 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
1951 Convert CCmode to word_mode before calling GET_MODE_SIZE.
1953 * acconfig.h (HAVE_INTTYPES_H): Undef.
1954 * configure.in (inttypes.h): Check for conflicts between sys/types.h
1955 and inttypes.h, and verify that intmax_t is defined.
1956 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
1957 * config/mips/x-iris3: Likewise.
1959 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
1961 * alias.c (find_base_value): When copying arguments, return the
1962 tenative value for a hard register.
1964 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
1966 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
1967 (yylex): Record wide strings using target endianness, not host.
1969 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
1971 * mn10200.h (ASM_OUTPUT_BSS): Delete.
1972 (ASM_OUTPUT_ALIGNED_BSS): New macro
1973 * mn10300.h (ASM_OUTPUT_BSS): Delete.
1974 (ASM_OUTPUT_ALIGNED_BSS): New macro.
1975 * v850.h (ASM_OUTPUT_BSS): Delete.
1976 (ASM_OUTPUT_ALIGNED_BSS): New macro.
1978 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1980 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
1982 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
1984 * configure.in (sco5): Use cpio to install header files.
1986 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
1988 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
1990 * configure: Rebuild.
1992 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
1994 * i386/sco5.h: enable -gstabs once again.
1996 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
1998 * arm.c (output_move_double): Allocate 3 entries in otherops array.
2000 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
2002 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
2003 notes for sjlj exceptions too.
2004 (expand_eh_region_end): Similarly for EH_REGION_END notes.
2005 (exception_optimize): Optimize EH regions for sjlj exceptions too.
2006 * final.c (final_scan_insn): Don't output labels for EH REGION
2007 notes if doing sjlj exceptions.
2009 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
2011 * alias.c (init_alias_analysis): Handle -fno-alias-check when
2012 optimizing correctly.
2014 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
2015 or set current_function_calls_setjmp anymore.
2017 * flow.c (find_basic_blocks): If we delete the label for an
2018 exception handler, remove it from the EH label list and remove
2019 the EH_BEGIN/EH_END notes for that EH region.
2021 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
2023 * flow.c (find_basic_blocks): Generate correct flow control
2024 information when exception handling notes are present.
2026 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
2028 * dwarf2out.c (output_call_frame_info): Fix length argument
2029 to ASM_OUTPUT_ASCII.
2030 (output_die, output_pubnames, output_line_info): Likewise.
2032 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
2034 * version.c: Bump for snapshot.
2036 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
2037 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
2038 flag_debug_asm is on.
2039 (output_die, output_pubnames, output_line_info): Likewise.
2041 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
2042 and static_chain_rtx into the potential base values array if
2045 * alias.c (new_reg_base_value): New array of potential base values.
2046 (unique_id): Now file scoped static.
2047 (find_base_value, case REG): Return the value in reg_base_value
2048 array for the REG if it exists. Else, return the value from
2049 new_reg_base_value if copying args and REG is a hard register.
2050 (find_base_value, case PLUS): If either operand of the PLUS is
2051 a REG, try to get its base value. Handle base + index and
2053 (record_set): Use new_reg_base_value instead of reg_base_value.
2054 (init_alias_analysis): Allocate space for new_reg_base_value too.
2055 Rework code to iterate over the insns propagating base value
2056 information until nothing changes.
2058 * global.c (global_alloc): Free the conflict matrix after
2059 reload has finished.
2061 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
2063 * libgcc2.c (L_eh): Define __eh_pc.
2064 Replace __eh_type with generic pointer __eh_info.
2066 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
2068 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
2069 use copy_to_reg if address is not a general_operand.
2071 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2073 * profile.c (output_func_start_profiler): Clear flag_inline_functions
2074 for the duration of the call to rest_of_compilation.
2076 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
2078 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
2080 (sparc*-*-*): Recognize --with-cpu=v9.
2081 * sparc/elf.h: New file.
2082 * sparc/t-elf: New file.
2084 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
2086 * mn10300.c (const_8bit_operand): New function.
2087 (mask_ok_for_mem_btst): New funtion.
2088 * mn10300.md (btst patterns with mem operands): Use new functions
2089 to avoid creating btst instructions with invalid operands.
2091 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
2093 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
2094 are running on PowerPC Linux.
2096 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
2098 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
2099 if not previously defined.
2101 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
2103 * function.c (assign_parms): Correct mode of stack_parm if
2104 entry_parm underwent a mode conversion.
2106 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
2108 * global.c (global_alloc): Use xmalloc instead of alloca for
2109 CONFLICTS, since max_allocno * allocno_row_words alone can be more
2110 than 2.5Mb sometimes.
2112 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
2114 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
2115 DEST for the spill, adjust mode of SRC to compensate.
2117 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
2119 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
2120 since any_memory_operand() allows pseudos during reload.
2121 (reload_inhi, reload_outqi, reload_outhi): Likewise.
2123 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
2125 * m68k.md (btst patterns): Add 5200 support.
2127 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2129 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
2130 optimizations, look inside dividend to determine if the expression
2131 can be simplified by using EXACT_DIV_EXPR.
2133 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
2136 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
2138 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
2140 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
2142 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
2144 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
2147 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
2149 * alpha.md (movqi, movhi): Make sure new insns created during reload
2150 won't need reloading themselves.
2151 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
2153 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
2155 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
2157 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
2159 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
2160 Patch from Klaus Kaempf <kkaempf@progis.de>.
2162 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
2164 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
2165 to an element in a constant string.
2167 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
2169 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
2170 bit PC-relative offset. The exception range table pointer is now in
2172 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
2173 (count_fdes, add_fdes, get_cie): Adjust.
2174 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
2177 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
2179 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
2181 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
2182 like stack_pointer_rtx.
2184 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
2186 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
2187 targets using "$@" to provide support for similar but not identical
2188 targets without having to duplicate code.
2189 (bootstrap4): New goal.
2191 * Makefile.in (compare, compare-lean, compare3): Combined to one
2192 ruleset determining actions to be performed via $@.
2193 (compare4, compare4-lean): New targets.
2194 (gnucompare, gnucompare3): Combined to one ruleset determining
2195 actions to be performed via $@. Also, note which files failed
2196 the comparison test in .bad_compare.
2197 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
2199 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2201 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
2202 if the dividend is a multiple of the divisor.
2204 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
2206 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
2208 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
2211 * alias.c (true_dependence): Fix typo.
2213 * toplev.c (flag_rerun_loop_opt): New variable.
2214 (f_options): Handle -frerun-loop-opt.
2215 (rest_of_compilation): If -frerun-loop-opt, then run the loop
2217 (main): Enable -frerun-loop-opt by default for -O2 or greater.
2219 * loop.c (simplify_giv_expr): Adding two invariants results
2222 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
2224 * expr.c (get_inner_reference): Remove the array bias after
2225 converting the index to Pmode.
2227 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
2229 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
2230 (TARGET_MULT_BUG): Define.
2231 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
2232 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
2234 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
2236 * mn10200.c (indirect_memory_operand): Delete unused function.
2237 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
2238 * mn10200.md (bset, bclr insns): Handle output in a reg too.
2240 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
2242 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
2243 the callee's ldgp, we must do it ourselves, and we use the jsr tag
2244 for more than scheduling.
2246 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
2248 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
2250 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
2252 * mn10300.c (symbolic_operand, legitimize_address): New functions.
2253 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
2254 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
2256 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
2258 * version.c: Bump for snapshot.
2260 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2262 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
2265 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
2267 * toplev.c (flag_exceptions): Default value is 2.
2268 (compile_file): If flag_exceptions still has the value 2, then
2271 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
2272 (rs6000_save_machine_status): Save pic_offset_table_rtx.
2273 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
2275 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
2278 * rs6000.md (*movsi_got_internal_mem): New pattern.
2279 (*movsi_got_internal_mem splitter): New define_split.
2281 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
2283 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
2285 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2287 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
2288 only need to save LR.
2290 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
2292 * mn10300.md (movqi, movhi): Avoid using address registers as
2293 destinations unless absolutely necessary.
2295 * mn10200.c (expand_prologue): Fix typo.
2297 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
2299 * mn10200.md (neghi2): Provide an alternative which works if
2300 the input and output register are the same.
2302 * mn10300.c (print_operand): Handle 'S'.
2303 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
2304 shift amount in last alternative
2306 * mn10300.c (expand_epilogue): Rework to handle register restores
2307 in "ret" and "retf" instructions correctly.
2309 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
2311 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
2312 extzv for memory operands.
2314 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
2315 redundant conditional moves to single operand.
2317 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
2319 * v850.h: Move define of __v850__ from CPP_PREDEFINES
2322 * xm-v850.h: Use __v850 rather than __v850__ to
2325 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
2327 * mips/mips.c (compute_frame_size): Not a leaf function if
2330 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2332 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
2334 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
2336 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
2337 (DEFAULT_ARCH32_P): New macro.
2338 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
2339 (enum cmodel): Declare.
2340 (sparc_cmodel_string,sparc_cmodel): Declare.
2341 (SPARC_DEFAULT_CMODEL): Provide default.
2342 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
2343 (TARGET_FULLANY): Deleted.
2344 (TARGET_CM_MEDMID): New macro.
2345 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
2346 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2347 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
2348 (CPP_SPEC): Rewrite.
2349 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2350 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
2351 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2352 (ASM_SPEC): Add %(asm_arch).
2353 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
2354 Rename asm_default to asm_cpu_default.
2355 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
2356 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
2357 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
2358 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
2359 (MASK_INT64,MASK_LONG64): Delete.
2360 (MASK_ARCH64): Renamed to MASK_64BIT.
2361 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
2362 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
2363 (TARGET_SWITCHES): Always provide 64 bit options.
2364 (ARCH64_SWITCHES): Delete.
2365 (TARGET_OPTIONS): New option -mcmodel=.
2366 (INT_TYPE_SIZE): Always 32.
2367 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
2368 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
2369 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
2370 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
2371 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
2373 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2374 * sparc/linux.h: Likewise.
2375 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
2376 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2377 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
2378 (SPARC_DEFAULT_CMODEL): Define.
2379 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2380 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2381 (LONG_DOUBLE_TYPE_SIZE): Define.
2382 (ASM_SPEC): Add %(asm_arch).
2383 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2384 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2385 (TARGET_CPU_DEFAULT): Add ultrasparc case.
2386 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
2387 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
2388 (SPARC_DEFAULT_CMODEL): Define.
2389 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
2390 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
2391 MASK_LONG64, MASK_MEDANY.
2392 (SPARC_DEFAULT_CMODEL): Define.
2393 (CPP_PREDEFINES): Delete.
2394 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2395 (ASM_SPEC): Add %(asm_arch).
2396 (LONG_DOUBLE_TYPE_SIZE): Define.
2397 (DWARF2_DEBUGGING_INFO): Define.
2398 * sparc/splet.h (CPP_SPEC): Delete.
2399 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2400 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
2401 (BLOCK_PROFILER): Likewise.
2402 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
2403 (sparc_override_options): Handle code model selection.
2404 (sparc_init_expanders): Renamed from sparc64_init_expanders.
2405 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
2406 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
2407 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
2408 (sethi_di_fullany): Delete.
2410 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
2411 Jeff Law <law@cygnus.com>
2412 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2414 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
2415 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
2416 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
2417 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
2418 * alpha/alpha.md (arg_home): Likewise.
2420 * alpha/alpha.c (vmskrunch): Delete
2421 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
2422 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
2423 truncate to 64 characters.
2425 * make-l2.com: Support openVMS/Alpha.
2427 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
2429 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2431 * longlong.h (count_leading_zeros): Add missing casts to USItype.
2433 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
2435 * i386/bsd386.h (ASM_COMMENT_START): Define.
2437 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2439 * tree.c (restore_tree_status): Also free up temporary storage
2440 when we finish a toplevel function.
2441 (dump_tree_statistics): Print stats for backend obstacks.
2443 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
2445 * expr.c (use_group_regs): Don't call use_reg for MEMs.
2447 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
2449 * libgcc2.c (__throw): Don't copy the return address.
2450 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
2452 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
2453 * toplev.c (main): Initialize exceptions_via_longjmp.
2455 * tree.c: Add extra_inline_obstacks.
2456 (save_tree_status): Use it.
2457 (restore_tree_status): If this is a toplevel inline obstack and we
2458 didn't want to save anything on it, recycle it.
2459 (print_inline_obstack_statistics): New fn.
2460 * function.c (pop_function_context_from): Pass context to
2461 restore_tree_status.
2462 * obstack.h (obstack_empty_p): New macro.
2464 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
2466 * i386/freebsd.h (ASM_COMMENT_START): Fix.
2468 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
2470 * v850.c (ep_memory_offset): New function.
2471 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
2473 * v850.h (CONST_OK_FOR_*): Add and correct comments.
2474 (CONSTANT_ADDRESS_P): Add comment.
2475 (EXTRA_CONSTRAINT): Define 'U'.
2476 * v850.md: Add comments on bit field instructions.
2477 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
2478 (lshrsi3): Use N not J constraint.
2480 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
2482 * v850.c (reg_or_0_operand): Call register_operand.
2483 (reg_or_int5_operand): Likewise.
2484 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
2485 (TARGET_SWITCHES): Add "big-switch".
2486 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
2487 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
2488 (CASE_DROPS_THROUGH): Comment out.
2489 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
2490 * v850.md (cmpsi): Delete compare mode.
2491 (casesi): New pattern.
2493 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
2494 * v850.md (ashlsi3): Use SImode not QImode for shift count.
2495 (lshrsi3): Likewise.
2497 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
2498 unreachable switch statement after 'b' support. Remove "b" from
2499 strings for 'b' support.
2500 * v850.md (branch_normal, branch_invert): Change %b to b%b.
2502 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
2504 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
2505 empty line if @inhibit_libc@ is empty.
2507 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
2509 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
2510 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
2511 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2512 (DWARF2_UNWIND_INFO): Let this track object file format.
2513 (EXTRA_SECTIONS): Add in_eh.
2514 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
2515 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2517 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
2519 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
2520 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
2522 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
2523 (output_double_int): Output DI mode values correctly when
2524 HOST_BITS_PER_WIDE_INT is 64.
2525 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
2526 fmovd so it works if a quad float ends up in one of the upper 32
2528 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
2529 necessary for PIC support on sparc64.
2531 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
2533 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
2534 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
2535 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
2536 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
2537 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
2538 (SPARC_FP_ARG_FIRST): New macro.
2539 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
2540 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
2541 (NPARM_REGS): There are 32 fp argument registers now.
2542 (FUNCTION_ARG_REGNO_P): Likewise.
2543 (FIRST_PARM_OFFSET): Update to new v9 abi.
2544 (REG_PARM_STACK_SPACE): Define for arch64.
2545 (enum sparc_arg_class): Delete.
2546 (sparc_arg_count,sparc_n_named_args): Delete.
2547 (struct sparc_args): Redefine and use for arch32 as well as arch64.
2548 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
2549 (FUNCTION_ARG_ADVANCE): Rewrite.
2550 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
2551 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
2552 (FUNCTION_ARG_CALLEE_COPIES): Delete.
2553 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
2554 (STRICT_ARGUMENT_NAMING): Define.
2555 (doublemove_string): Declare.
2556 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
2557 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
2558 (doublemove_string): New function.
2559 (output_move_quad): Clean up some of the arch64 support.
2560 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
2561 Don't add 8 bytes of reserved space if arch64.
2562 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
2563 (init_cumulative_args): New function.
2564 (function_arg_slotno): New static function.
2565 (function_arg,function_arg_partial_nregs): New functions.
2566 (function_arg_{pass_by_reference,advance}): New functions.
2567 (function_arg_padding): New function.
2568 * ginclude/va-sparc.h: Rewrite v9 support.
2570 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2572 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
2573 for hard regs to determine base and index registers.
2575 * reload.c (debug_reload_to_stream): New function. Specify stream
2576 into which to write debug info.
2577 (debug_reload): Modify to call debug_reload_to_stream with stderr.
2579 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
2581 * combine.c (can_combine_p): Don't combine with an asm whose
2582 output is a hard register.
2584 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
2586 * c-decl.c (start_struct): Ensure that structs with forward
2587 declarations are in fact packed when -fpack-struct is given.
2589 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
2590 we are packing a structure. This allows a structure with only
2591 bytes to be aligned on a byte boundary and have no padding on a
2594 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2596 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
2598 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
2600 * alpha.c (alpha_return_addr_rtx): New variable.
2601 (alpha_save_machine_status): New; save it.
2602 (alpha_restore_machine_status): New; restore it.
2603 (alpha_init_expanders): New; clear it.
2604 (alpha_return_addr): New; set it.
2605 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
2606 is overly conservative, so search the insns explicitly.
2607 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
2608 (alpha_sa_size [VMS && !VMS]): Likewise.
2609 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
2610 (INIT_EXPANDERS): New definition.
2612 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
2613 (output_prolog [!VMS]): Use them.
2615 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
2616 (alpha_does_function_need_gp): ... a new function. Refine the
2617 CALL_INSN test to just TYPE_JSR.
2618 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
2620 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
2622 * version.c: Bump for snapshot.
2624 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2626 * pa.c (move_operand): Respect -mdisable-indexing.
2627 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
2629 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
2631 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
2633 (umulsidi3,umulsi3_highpart): Ditto.
2634 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
2636 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
2638 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
2639 (alpha_handle_trap_shadows): ... a new function. Handle the entire
2640 function in one go. Emit RTL for trapb, instead of printf directly.
2641 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
2642 (trap_pending): Kill global variable.
2643 (output_epilog): Don't call final_prescan_insn.
2644 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
2645 * alpha.h (FINAL_PRESCAN_INSN): Remove.
2646 (MACHINE_DEPENENT_REORG): Define.
2647 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
2650 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
2652 Tune Haifa scheduler for Alpha:
2653 * alpha.h (ISSUE_RATE): Define.
2654 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
2655 EV4 adjustments to EV5.
2656 * alpha.md: Remove all scaling from function unit delays. Rework
2657 EV5 function units to match the CPU.
2658 (umuldi3_highpart): EV5 added the IMULH insn class.
2660 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
2662 * pa.c (following_call): Fail if the CALL_INSN is an indirect
2665 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
2667 * cplus-dem.c (demangle_signature): Don't look for return types on
2668 constructors. Handle member template constructors.
2670 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
2672 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
2673 * tree.h: Declare them.
2675 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
2677 * configure.in: Handle --with-newlib.
2678 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
2680 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
2682 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
2684 * config/ptx4.h: Fix typo.
2686 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
2688 * version.c: Bump for snapshot.
2690 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
2692 * aclocal.m4: Substitute INSTALL.
2693 * configure: Re-built.
2695 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
2697 * integrate.c (save_for_inline_copying): Avoid undefined pointer
2699 (expand_inline_function): Likewise.
2701 * dwarf2out.c (output_call_frame_info): Reinstate last change
2702 using flag_debug_asm check instead of flag_verbose_asm.
2704 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
2706 * dwarf2out.c (output_call_frame_info): Remove last change.
2708 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2710 * frame.c (__frame_state_for): Execute the FDE insns until the
2711 current pc value is strictly bigger than the target pc value.
2713 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
2715 * regclass.c (init_reg_modes): If we can't find a mode for the
2716 register, use the previous one.
2718 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
2720 * haifa-sched.c (print_block_visualization): Call fprintf directly,
2721 don't sprintf through an alloca'ed buffer.
2723 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
2725 * reload.c (decompose): Always initialize val.base.
2727 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2729 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
2730 instead of aborting.
2731 * dwarf2out.c (output_call_frame_info): Call app_enable and
2732 app_disable to let GNU as accept the generated comments.
2734 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
2736 * tree.h (get_file_function_name): Add declaration.
2737 * dwarf2out.c (output_call_frame_info): No need to cast
2738 get_file_function_name call anymore.
2739 * profile.c (toplevel): Remove get_file_function_name
2741 * c-lang.c (finish_file): Ditto.
2743 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
2745 * Makefile.in (program_transform_name): Let autoconf substitute
2748 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
2750 * haifa-sched.c (schedule_block): If the first real insn in a
2751 block has any special notes attached to it, remove them.
2753 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
2755 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
2757 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2759 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
2761 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
2763 * Makefile.in (check-g77): New test target.
2764 (CHECK-TARGETS): Add check-g77.
2766 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
2768 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
2770 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
2772 * flow.c (print_rtl_with_bb): Cast alloca return value for
2775 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
2777 * i386.h (RETURN_ADDR_RTX): New definition that works for
2778 __builtin_return_address(0) and -fomit-frame-pointer.
2780 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
2782 Bring over from FSF.
2783 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
2785 * mips.c (function_arg): Handle passing a struct
2786 containing a double in a DFmode register without the PARALLEL.
2788 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
2790 * pexecute.c: Use spawn if __CYGWIN32__.
2792 * pexecute.c: Include "config.h" first, as per autoconf manual
2793 (from Paul Eggert <eggert@twinsun.com>).
2795 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2797 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
2798 optimisation for f/expr.o and f/stb.o.
2800 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
2802 * cse.c (this_insn_cc0_mode): Initialize.
2804 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
2806 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
2808 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
2810 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
2812 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
2813 that pair will dual-issue on the 21164 and plus+beq won't.
2814 (bne): Likewise for cmpeq+beq.
2816 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
2818 * except.c (find_exception_handler_labels): Correct argument to free.
2820 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
2822 * except.c (find_exception_handler_labels): Free LABELS when we're
2825 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
2827 * version.c: Bump for snapshot.
2829 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
2831 * flow.c (find_basic_blocks): Mark calls as potentially jumping
2834 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
2836 * configure.in: Substitute for "install" too.
2837 * configure: Rebuilt.
2839 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
2841 * Makefile.in (bootstrap-lean, compare-lean): New targets.
2843 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
2845 * alias.c (base_alias_check): Two symbols can conflict if they
2846 are accessed via AND.
2847 (memrefs_conflict_p): Likewise.
2849 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
2850 after flushing argument registers to the stack.
2852 * Makefile.in (mostlyclean): Remove .regmove files.
2854 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2856 * libgcc2.c (__throw): Fix thinko.
2858 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
2860 * cplus-dem.c (demangle_template): Add new parameter. Handle new
2861 template-function mangling.
2862 (consume_count_with_underscores): New function.
2863 (demangle_signature): Handle new name-mangling scheme.
2865 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2867 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
2870 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
2872 * frame.c: Remove last change.
2873 * dwarf2.h: Remove last change.
2874 * tree.h: Add declarations of DWARF2 unwind info support
2877 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2879 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
2880 * tree.h (built_in_function): Likewise.
2881 * expr.c (expand_builtin): Likewise.
2882 * except.h: Likewise.
2883 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
2884 * libgcc2.c (copy_reg): New fn.
2887 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
2889 * c-typeck.c (build_binary_op): Warn about comparing signed vs
2890 unsigned if -W is specified and -Wno-sign-compare is not.
2891 * c-decl.c (warn_sign_compare): Initialize to -1.
2892 (c_decode_option): -Wall no longer implies -Wsign-compare.
2894 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2896 * frame.c: Include gansidecl.h for PROTO.
2897 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
2898 defined. Don't declare dwarf2out_cfi_label here.
2899 * dwarf2.h: Add declarations of DWARF2 unwind info support
2901 * m68k.c: Include dwarf2.h.
2902 (output_function_prologue): Add dwarf2 support.
2903 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
2904 (INCOMING_FRAME_SP_OFFSET): Likewise.
2906 * integrate.c (expand_inline_function): Make sure there is at
2907 least one insn that can be used as an insertion point.
2909 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
2911 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
2913 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
2915 * version.c: Bump for snapshot.
2917 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
2919 Bring over from FSF.
2921 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
2923 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
2924 (get_pc_via_rdpc): Renamed from get_pc_sp64.
2925 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
2927 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
2929 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
2930 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
2932 (sparc_align_{loops,jumps,funcs}_string): Declare.
2933 (sparc_align_{loops,jumps,funcs}): Declare.
2934 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
2935 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
2936 (STACK_BIAS): Define.
2937 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
2939 (SPARC_SETHI_P): New macro.
2940 (CONST_OK_FOR_LETTER_P): Use it.
2941 (ASM_OUTPUT_ALIGN_CODE): Define.
2942 (ASM_OUTPUT_LOOP_ALIGN): Define.
2943 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
2944 (sparc_align_{loops,jumps,funcs}): New globals.
2945 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
2947 (move_operand): Use SPARC_SETHI_P.
2948 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
2950 (arith11_double_operand): Likewise.
2951 (arith10_double_operand): Likewise.
2952 (finalize_pic): Finish sparc64 support.
2953 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
2954 64 bit constants if able.
2955 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
2956 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
2958 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
2959 (get_pc_sp32): Use for sparc64 as well.
2960 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
2961 (sethi_di_sp64_const): Likewise.
2962 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
2963 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
2964 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
2966 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
2968 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
2969 * sparc/linux.h (COMMENT_BEGIN): Likewise.
2970 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
2972 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
2974 Add sparc64 linux support.
2975 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
2976 to xm_file list on 32-bit sparc-linux.
2977 * sparc/xm-sp64.h: New file.
2978 * sparc/linux64.h: New file.
2979 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
2980 Don't include xm-sparc.h.
2981 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
2982 * glimits.h (LONG_MAX): Handle sparc64.
2984 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
2986 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
2987 * sparc.h (ASM_COMMENT_START): Define.
2988 * sparc.c (output_function_prologue): Use it.
2989 (sparc_flat_output_function_{epi,pro}logue): Likewise.
2991 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
2993 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
2994 use sparc.h's copies.
2995 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
2998 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3000 * sparc.c (dwarf2out_cfi_label): Add declaration.
3001 (save_regs, output_function_prologue): Remove cast for it.
3002 (sparc_flat_{save_restore,output_function_prologue): Likewise.
3003 ({save,restore}_regs): No longer inline.
3005 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3007 * fold-const.c (make_range): Correctly handle cases of converting
3008 from unsigned to signed type.
3010 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3012 * fold-const.c (merge_ranges): Make sure that if one range is subset
3013 of another, it will always be the second range. Correct (+,-) case to
3016 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3018 * final.c (final_end_function): Also do dwarf2 thing if
3019 DWARF2_DEBUGGING_INFO.
3020 (final_start_function): Likewise.
3022 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
3024 * expmed.c (expand_divmod): If compute_mode is not the same as
3025 mode, handle the case where convert_modes() causes op1 to no
3026 longer be a CONST_INT.
3028 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
3029 note holding get_jump_flags() calculation to all JUMP_INSNs.
3030 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
3031 * rtl.c (reg_note_name): Add new note types.
3033 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
3035 * rtlanal.c (computed_jump_p): Fix typo in last change.
3037 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3039 * loop.c (indirect_jump_in_function_p): Return 0
3042 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
3044 * rs6000/xm-rs6000.h: Fix thinko in last change.
3045 * rs6000/xm-sysv4.h: Likewise.
3047 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
3049 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
3051 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
3053 * reg-stack.c (find_blocks): Fix thinko in last change.
3055 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3057 * m68k.c (output_function_prologue): Add dwarf2 support.
3059 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
3060 INCOMING_FRAME_SP_OFFSET): New definitions.
3062 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3064 * combine.c (try_combine): Use NULL_RTX instead of '0' where
3065 appropriate in calls to gen_rtx().
3066 * cse.c (cse_main): Likewise.
3067 * emit-rtl.c (gen_label_rtx): Likewise.
3068 * expr.c (init_expr_once): Likewise.
3069 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
3070 sched_analyze, init_rgn_data_dependences,
3071 compute_block_backward_dependences): Likewise.
3072 * sched.c (schedule_insns): Likewise.
3073 * varasm.c (immed_double_const): Likewise.
3075 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
3076 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
3078 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
3080 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
3081 (MULTILIB_DEFAULTS): Define.
3082 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
3083 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
3084 (LIBGCC_SPEC): Likewise.
3085 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
3086 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
3087 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
3088 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
3089 (EXTRA_PARTS, TAROUTOPTS): Delete.
3090 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
3091 (MULTILIB_OPTIONS): Define.
3092 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
3093 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
3095 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
3097 * version.c: Bump for snapshot.
3099 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
3101 * loop.c (loop_number): Delete function. Change all references
3102 to use uid_loop_num array.
3103 * loop.h (loop_number): Delete declaration.
3104 * unroll.c (unroll_loop): Change "loop_number" references to
3105 use uid_loop_num instead.
3107 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
3109 (loop_unroll_iter): Remove unused variable and all references.
3110 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
3111 (insert_bct): Fix minor formatting problems.
3112 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
3113 (loop_unroll_iter): Removed unused decl.
3114 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
3115 Always record the unrolling factor.
3117 * cse.c (simplify_relational_operation): Set h0u just like h0s.
3118 Similarly for h1u and h1s.
3120 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
3121 (find_basic_blocks): Use computed_jump_p to determine if a
3122 particular JUMP_INSN is a computed jump.
3123 * reg-stack.c (find_blocks): Use computed_jump_p to determine
3124 if a particular JUMP_INSN is a computed jump.
3125 * rtlanal.c (jmp_uses_reg_or_mem): New function.
3126 (computed_jump_p): Likewise.
3127 * rtl.h (computed_jump_p): Declare.
3128 * genattrtab.c (pc_rtx): Define and initialize.
3129 * loop.c (loop_optimize): Always determine if the current
3130 function has a computed jump.
3131 (indirect_jump_in_function_p): Use computed_jump_p to determine
3132 if a particular JUMP_INSN is a computed jump.
3134 * loop.c (fix_bct_param): Delete unused function.
3135 (check_bct_param): Likewise.
3137 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3139 * frame.c (__deregister_frame): Check properly for initialized object.
3141 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3143 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
3145 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3147 * jump.c (thread_jumps): check can_reverse_comparison_p before
3148 threading a reversed-condition jump.
3150 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
3151 * haifa-sched.c (update_flow_info): Likewise.
3153 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
3155 * Makefile.in (BOOT_CFLAGS): Use -O2.
3157 * configure.in (strtoul, bsearch): Have autoconf check for these
3159 * configure, config.in: Rebuilt.
3161 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
3162 * mips/mips.h (alloca): Likewise.
3163 * rs6000/xm-rs6000.h (alloca): Likewise.
3164 * rs6000/xm-sysv4.h: Likewise.
3166 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
3168 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
3169 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
3170 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
3172 * except.c (end_eh_unwinder): Subtract 1 from return address.
3173 * libgcc2.c (__throw): Likewise.
3174 (find_exception_handler): Don't change PC here. Compare end with >.
3176 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
3178 * v850.c (compute_register_save_size): Correct register
3180 * v850.md (save_interrupt, return_interrupt): Correct
3182 * v850/lib1funcs.asm (save_interrupt): Correct register number.
3183 (return_interrupt): Use stack pointer, not element pointer.
3185 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
3187 * configure.in, configure: Make sure to create the stage* and include
3188 symbolic links in each subdirectory.
3190 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
3192 * pa.md (reload_peepholes): Don't allow addresses with side
3193 effects for the memory operand.
3195 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3197 * libgcc2.c (find_exception_handler): Subtract one from our PC when
3198 looking for a handler, to avoid hitting the beginning of the next
3201 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
3203 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
3205 * mips/abi64.h (LONG_MAX_SPEC): Define.
3206 * mips.h (LONG_MAX_SPEC): Define.
3207 (CPP_SPEC): Include long_max_spec.
3208 (EXTRA_SPECS): Include long_max_spec.
3210 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
3212 * v850.c (construct_save_jarl): Fix thinko in last change.
3214 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
3216 * version.c: Bump for snapshot.
3218 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3220 * libgcc2.c (find_exception_handler): Not found is -1.
3222 * integrate.c (expand_inline_function): Move expand_start_bindings
3223 after expanding the arguments.
3225 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
3227 * expr.c (expand_expr): Remove previous incorrect change.
3228 If target and slot has no DECL_RTL, then call mark_addressable
3229 again for the slot after we give it RTL.
3231 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
3233 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3234 again for the slot after we give it RTL.
3236 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
3238 * v850.c (register_is_ok_for_epilogue,
3239 pattern_is_ok_for_epilogue, construct_restore_jr,
3240 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
3242 * v850.h (pattern_is_ok_for_prologue,
3243 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
3246 * v850.md: Replace prologue and epilogue patterns with a
3247 match_parallel pattern.
3249 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
3251 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
3252 * configure.in: Use EGCS_PROG_INSTALL.
3254 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
3256 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
3257 extern inline function.
3259 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
3261 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
3262 (concat_loc_descriptor): New function.
3263 (loc_descriptor): Call it.
3264 (add_AT_location_description): Also elide the descriptor if both
3265 halves of a CONCAT are pseudos.
3266 (add_location_or_const_value_attribute): Recognize CONCAT too.
3268 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
3270 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
3272 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
3273 out-or-range reg_offset.
3274 (output_epilog): Likewise.
3276 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
3278 * cse.c (simplify_relational_operation): If MODE specifies a
3279 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
3280 is derived from the sign bit of the low word.
3282 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3284 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
3286 * dwarf2.h: Add DW_CFA_GNU_args_size.
3287 * frame.c (execute_cfa_insn): Likewise.
3288 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
3289 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
3290 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
3291 insn, hand it off to dwarf2out_stack_adjust.
3292 (dwarf2out_begin_prologue): Initialize args_size.
3293 * frame.h (struct frame_state): Add args_size.
3294 * libgcc2.c (__throw): Use args_size.
3295 * final.c (final_scan_insn): If we push args, hand off all insns
3296 to dwarf2out_frame_debug.
3297 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
3299 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
3300 Handle epilogue restore of SP from FP.
3301 * emit-rtl.c (gen_sequence): Still generate a sequence if the
3302 lone insn has RTX_FRAME_RELATED_P set.
3304 * frame.c (extract_cie_info): Handle "e" augmentation.
3305 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
3306 absence of UNALIGNED_*_ASM_OP.
3307 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
3308 (output_call_frame_info): Use "e" instead of "z" for augmentation.
3309 Don't emit augmentation fields length.
3310 (dwarf2out_do_frame): Move outside of #ifdefs.
3311 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
3314 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
3315 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
3316 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
3317 * sparc/sun4gas.h: New file.
3318 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
3320 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
3321 __register_frame_table and __deregister_frame.
3323 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
3325 * except.c (find_exception_handler_labels): Use xmalloc instead of
3326 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
3329 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
3331 * Makefile.in: Various changes to build info files
3332 in the object tree rather than the source tree.
3334 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
3336 * fixinc.math: New file to fix math.h on some systems.
3337 * configure.in (freebsd, netbsd): Use fixinc.math on these
3339 * configure: Rebuilt.
3341 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
3343 * regmove.c (regmove_optimize): If we end up moving the
3344 original insn due to lifetime overlaps, make sure to move
3347 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
3349 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
3351 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
3353 * haifa-sched.c (add_branch_dependences): Make each insn in
3354 a SCHED_GROUP_P block explicitly depend on the previous insn.
3356 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3358 * except.h: Prototype dwarf2 hooks.
3361 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
3363 * configure.in (native_prefix): Delete.
3364 (mips-dec-netbsd): Don't set prefix.
3365 (*linux*): Don't set prefix.
3367 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
3369 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
3370 defined. If not defined, include <sys/varargs.h> if
3371 HAVE_SYS_VARARGS_H is defined.
3372 * configure.in: Test for varargs.h and sys/varargs.h.
3373 * configure: Regenerate with autoconf.
3374 * config.in: Regenerate with autoheader.
3376 * cpplib.c (quote_string): Cast first arg of sprintf call
3377 from "unsigned char *" to "char *".
3378 (output_line_command): Ditto.
3379 (macroexpand): Ditto.
3380 (do_line): Cast atoi arg from "unsigned char *" to "char *".
3382 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
3384 * version.c: Bump for snapshot.
3386 * Makefile.in (compare): Exit with nonzero status if there
3387 are comparison failures. Note which files failed the
3388 comparison test in .bad_compare.
3390 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3392 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
3394 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
3396 * Makefile.in (LN, LN_S): New macros, use where appropriate.
3397 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
3398 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
3399 * configure: Regenerated.
3401 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
3403 * loop.c (strength_reduce): Fix typo.
3405 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
3407 * m88k/m88k.c (struct option): Rename to struct options.
3408 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
3409 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
3410 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
3411 __DOLPHIN__ or sysV88.
3413 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
3415 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
3418 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
3420 * config.sub: Accept 'amigados' for backward compatability.
3422 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3424 * Makefile.in (testsuite/site.exp): New target.
3425 (check-gcc, check-g++): Depend on testsuite/site.exp.
3426 Don't stop for failure.
3428 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
3430 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
3431 if DWARF2_UNWIND_INFO.
3433 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
3435 Add support for exception handling using DWARF 2 frame unwind info.
3436 Currently works on SPARC and MIPS, and almost on x86.
3438 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
3439 next_stack_level, in_reg_window): Helper fns.
3440 (__throw): Implement for DWARF2_UNWIND_INFO.
3442 * expr.c (expand_builtin): Handle builtins used by __throw.
3443 * tree.h (enum built_in_function): Add builtins used by __throw.
3444 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
3445 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
3446 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
3447 (expand_builtin_extract_return_addr): Likewise.
3448 (expand_builtin_frob_return_addr): Likewise.
3449 (expand_builtin_set_return_addr_reg): Likewise.
3450 (expand_builtin_eh_stub): Likewise.
3451 (expand_builtin_set_eh_regs): Likewise.
3452 (eh_regs): Choose two call-clobbered registers for passing back values.
3454 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
3455 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
3456 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
3457 (stmp-multilib): Likewise.
3458 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
3460 * except.c: #include "defaults.h".
3461 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
3462 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
3463 (register_exception_table_p): New fn.
3464 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
3465 (end_eh_unwinder): Likewise.
3467 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
3468 call __register_frame and __deregister_frame as needed.
3469 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
3470 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
3471 EH_FRAME_SECTION_ASM_OP.
3472 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
3473 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
3474 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
3476 * dwarf2out.c (output_call_frame_info): If no support for
3477 EXCEPTION_SECTION, mark the start of the frame info with a
3479 * collect2.c (frame_tables): New list.
3480 (is_ctor_dtor): Recognise frame entries.
3481 (scan_prog_file): Likewise.
3482 (main): Pass -fno-exceptions to sub-compile. Also do collection
3483 if there are any frame entries.
3484 (write_c_file_stat): Call __register_frame_table and
3485 __deregister_frame as needed.
3486 (write_c_file_glob): Likewise.
3488 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
3489 Also require unaligned reloc support.
3490 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3491 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
3492 * sparc/sysv4.h: Not here.
3494 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
3495 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
3496 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
3498 * libgcc2.c (L_eh): Reorganize, moving code shared by different
3499 EH implementations to the top.
3500 (find_exception_handler): Split out. Start from 0. Compare against
3502 (__find_first_exception_table_match): Use it.
3503 * except.c (output_exception_table): Don't do anything if there's
3504 no table. Don't output a first entry of zeroes.
3505 (eh_outer_context): Adjust properly.
3506 (add_eh_table_entry): Use xrealloc.
3507 * toplev.c (compile_file): Just call output_exception_table.
3509 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
3511 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
3513 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
3515 * except.c (eh_outer_context): Do masking using expand_and.
3517 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
3519 Add port done awhile ago for the ARC cpu.
3520 * arc/arc.h: New file.
3521 * arc/arc.c: New file.
3522 * arc/arc.md: New file.
3523 * arc/initfini.c: New file.
3524 * arc/lib1funcs.asm: New file.
3525 * arc/t-arc: New file.
3526 * arc/xm-arc.h: New file.
3527 * ginclude/va-arc.h: New file.
3528 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
3529 * ginclude/varargs.h: Likewise.
3530 * Makefile.in (USER_H): Add va-arc.h.
3531 * configure.in (arc-*-elf*): Recognize.
3532 * longlong.h: Add ARC support.
3534 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
3536 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
3537 when clearing non-BLKmode data.
3539 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
3541 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
3542 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
3544 * xm-m88k.h (USG): Only define if it hasn't already been defined.
3546 * Makefile.in (risky-stage1): Delete gratutious whitespace.
3548 * Makefile.in (clean): Delete libgcc1-test.
3550 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
3552 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
3554 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
3557 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3559 * dwarf2out.c (output_call_frame_info): Call named_section.
3561 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
3563 * haifa-sched.c (print_value): Fix last change.
3565 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
3567 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
3570 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
3572 * mips.c (function_prologue): Set up the CFA when ABI_32.
3574 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
3575 for dwarf2 unwind info.
3576 (output_function_prologue, sparc_flat_output_function_prologue): Same.
3578 * final.c (final_end_function): Check dwarf2out_do_frame instead
3579 of DWARF2_DEBUG for dwarf2 unwind info.
3580 (final_scan_insn): Likewise.
3581 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
3584 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
3587 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
3589 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
3591 * v850.h (ASM_SPEC): Pass on target processor.
3592 (CPP_PREDEFINES): Only define if not already specified.
3593 (TARGET_VERSION): Only define if not already specified.
3594 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
3596 (EXTRA_SWITCHES): Extra entries in the switches array.
3597 (TARGET_DEFAULT): Set default target processor.
3599 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
3601 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
3602 cases, add %# and %/, and add : to make them into extended asms.
3604 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
3606 * alias.c (init_alias_analysis): Clean up incompatible pointer
3607 type warning in bzero.
3608 * regmove.c (regmove_optimize): Ditto.
3609 * haifa-sched.c (find_rgns): Ditto.
3611 * haifa-sched.c (print_value): Clean up ptr->int cast
3614 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
3616 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
3617 * install.texi (Configurations): Ditto.
3618 * config.sub: Ditto.
3620 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
3622 * Makefile.in (sdbout.o): Depend on insn-config.h.
3624 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
3626 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
3627 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
3629 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3631 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
3632 prologue insn, only the first elt is significant.
3633 (output_call_frame_info): For exception handling, always use 4-byte
3634 fields as specified by the dwarf2 spec.
3635 Don't skip trivial FDEs.
3637 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
3639 * version.c: Bump for snapshot.
3641 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
3643 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
3644 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
3647 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
3649 * final.c (shorten_branches): During first pass, assume worst
3650 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
3652 * Makefile.in (distclean): Remove various things left around
3653 by running the testsuite.
3655 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
3657 * configure.in (out_file): Emit definition to config.status in order
3658 to have a defined value for configure.lang.
3659 * configure: Re-built.
3661 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
3663 * configure.in: Make symlink to as-new rather than as.new. Similarly
3665 * configure: Rebuilt.
3667 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
3669 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
3671 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
3673 * sparc/sparc.md: Add ultrasparc scheduling support.
3674 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
3676 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3678 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
3679 as initial value for real_label_map.
3680 (copy_for_inline): Likewise.
3682 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3684 * sched.c (update_flow_info) When looking if to set found_split_dest
3685 or found_orig_dest, look at all parts of a PARALLEL.
3686 * haifa-sched.c (update_flow_info): Likewise.
3688 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
3690 * v850: New directory for v850 port.
3691 * v850/lib1funcs.asm: New file.
3692 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
3693 * ginclude/va-v850.h: New file.
3694 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
3695 * configure.in (mn10200-*-*): New target.
3696 * configure: Rebuilt.
3697 * config.sub: Handle v850-elf.
3698 * Makefile.in (USER_H): Add va-mn10200.h.
3699 * invoke.texi: Document v850 stuff.
3701 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
3703 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
3704 has integer TYPE_{MAX,MIN}_VALUE before using them.
3706 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
3707 __HPUX_ASM__ versions.
3709 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
3711 * install.sh: Delete duplicate install script.
3713 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
3715 * reg-stack.c (subst_stack_regs): Pop the stack register for a
3716 computed goto which sets the same stack register.
3718 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
3719 destination are both on the regstack.
3720 (subst_stack_regs_pat): Put the destination at the top of the regstack.
3722 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
3724 * mips.md (nonlocal_goto_receiver): Define.
3726 * profile.c (output_arc_profiler): Check next_insert_after for non
3727 NULL before deferencing it.
3729 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
3731 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
3733 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
3735 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
3737 * toplev.c (rest_of_compilation): For passes starting with
3738 flow_analysis, use print_rtl_with_bb instead of print_rtl.
3740 * print-rtl.c (print_rtl_single): Print a single rtl value to a
3743 * flow.c (print_rtl_with_bb): Print which insns start and end
3744 basic blocks. For the start of a basic block, also print the live
3747 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
3749 * toplev.c (main): Change #elif to #else/#ifdef
3751 * tlink.c: Include ctype.h.
3752 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
3754 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
3756 * bitmap.c: Conditionally include stdlib.h.
3757 (free): Provide a declaration if NEED_DECLARATION_FREE.
3759 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
3761 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
3763 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
3765 * profile.c (output_arc_profiler): Verify next_insert_after is an
3766 INSN before and after skipping a stack pop.
3768 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3770 * final.c (shorten_branches): Don't count the lengths of deleted
3773 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
3775 * version.c: Bump for snapshot.
3777 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
3779 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
3780 two bitmaps ANDed together.
3781 (bitmap_print): Declare.
3783 * bitmap.c (function_obstack): Don't declare any more.
3784 (bitmap_obstack): Obstack for allocating links from.
3785 (bitmap_obstack_init): New static to say whether to initialize
3787 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
3788 (bitmap_release_memory): Free all memory allocated from
3791 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
3792 EXECUTE_IF_AND_IN_BITMAP.
3794 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
3796 * alias.c (true_dependence): Address with AND can alias scalars.
3797 (anti_dependence, output_dependence): Likewise.
3799 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
3801 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
3803 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
3804 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
3805 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
3806 definitions. Use -qrtems instead of -mrtems.
3808 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
3810 * xm-sco5.h (sys_siglist): Define.
3811 (SYS_SIGLIST_DECLARED): Likewise.
3813 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
3815 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
3817 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
3819 * except.c (eh_outer_context): Expand masking operation using
3822 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
3824 * alpha.md (floatdisf2-1): New pattern.
3826 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
3828 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
3829 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
3830 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
3831 * gcc.texi: Note that if you define sys_siglist that you should
3832 also define SYS_SIGLIST_DECLARED.
3834 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
3835 are relative to the next instruction, not the current instruction.
3837 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
3839 * local-alloc.c (contains_replace_regs): New function.
3840 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
3841 verify that there is no existing REG_EQUIV note, and add a call to
3842 contains_place_regs.
3844 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3846 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
3847 (STARTFILE_SPEC): Always use crtbegin.o%s
3848 (ENDFILE_SPEC): Always use crtend.o%s.
3850 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
3852 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
3854 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
3855 SFmode for 64 bit hosts.
3857 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
3859 * fixincludes: Permits spaces between # and define. Discard C++
3860 comments in sys/pci.h on HP/UX 10.20.
3862 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
3864 * version.c: Bump for snapshot.
3866 * pa.c (restore_unscaled_index_insn_codes): New function.
3867 (record_unscaled_index_insn_codes): Likewise.
3868 (output_function_prologue): Call restore_unscaled_index_insn_codes.
3869 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
3870 (pa_reorg): Call record_unscaled_index_insn_codes.
3872 * haifa-sched.c (move_insn): Handle notes correctly for insns
3873 with SCHED_GROUP_P set.
3875 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3877 * alpha/xm-linux.h (USE_BFD): Undef before define.
3879 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
3881 * cse.c (cse_insn): Don't record BLKmode values.
3883 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
3885 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
3887 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
3889 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
3890 * collect2.c (sys_errlist): Likewise.
3891 * cpplib.c (sys_errlist): Likewise.
3892 * gcc.c (sys_errlist): Likewise.
3893 * protoize (sys_errlist): Likewise.
3894 * configure.in: Check for strerror.
3895 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
3896 * xm-gnu.h (HAVE_STRERROR): Likewise.
3897 * xm-linux.h (HAVE_STRERROR): Likewise.
3898 * xm-netbsd.h (HAVE_STRERROR): Likewise.
3899 * xm-bsd386.h (HAVE_STRERROR): Likewise.
3900 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
3901 * xm-dos.h (HAVE_STRERROR): Likewise.
3902 * xm-mingw32.h (HAVE_STRERROR): Likewise.
3903 * xm-pa.h (HAVE_STRERROR): Likewise.
3904 * xm-papro.h (HAVE_STRERROR): Likewise.
3905 * xm-sysv4.h (HAVE_STRERROR): Likewise.
3906 * configure, config.in: Rebuilt.
3908 * Makefile.in: Add several missing "else true" clauses.
3910 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
3911 * mips-tfile.c: Likewise.
3912 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
3913 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
3914 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
3915 * configure.in: Check for sys_siglist declaration.
3916 * configure, config.in: Rebuilt.
3918 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
3920 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
3921 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
3922 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
3923 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
3924 * rs6000/sysv4.h (extra_subtarget_switches): Added new
3925 macro EXTRA_SUBTARGET_SWITCHES.
3926 * configure.in (sh*-*-rtems*): New target.
3927 * sh/rtems.h: New file.
3928 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
3929 * configure: Rebuilt.
3931 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
3933 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
3935 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
3937 * rs6000.md: Make DF fused-add operations pay attention to
3940 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
3942 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
3944 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
3946 * pa.md (reload_peepholes): Make sure operand is a REG before
3947 examining REGNO. Allow general registers too.
3949 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
3951 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
3953 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
3955 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
3956 to reallocate abbrev_die_table.
3958 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
3960 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
3962 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3964 * Makefile.in (config.status): Depend on version.c
3966 * expr.h (insn_gen_function): Reenable prototype.
3968 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
3971 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
3973 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
3975 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
3977 * version.c: Bump for latest snapshot.
3979 * bc-optab.c: Conditionally include stdlib.h.
3980 (free): Provide a declaration if NEED_DECLARATION_FREE.
3981 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
3982 * rtl.h (free): Remove declaration.
3983 * tree.h (free): Remvoe declaration.
3985 * configure: Rebuilt.
3987 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
3989 * flags.h (flag_move_all_movables): Declare.
3990 (flag_reduce_all_givs): Likewise.
3991 * loop.c (move_movables): Handle flag_move_all_movables.
3992 (strength_reduce): Handle flag_reduce_all_givs.
3993 * toplev.c (flag_move_all_movables): Define.
3994 (flag_reduce_all_givs): Likewise.
3995 (f_options): Add -fmove-all-movables and -freduce-all-givs.
3996 * invoke.texi: Document new options, including alias stuff that
3997 wasn't included last time.
3999 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
4001 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
4004 * t-vxworks68: Ditto.
4005 * t-vxworks960: Ditto.
4008 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
4010 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
4011 if not already defined, and USE_C_ALLOCA not defined.
4013 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
4015 * config.guess: Replace with script that uses ../config.guess.
4017 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
4018 if USE_GNULIBC_1 is not defined.
4020 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
4022 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
4023 * config.guess: Recognize alpha-linux-gnulibc1.
4024 * configure.in (alpha-*-linux-gnulibc1): New target.
4025 (alpha-*-linux-gnu*): Don't build crtbegin/end.
4027 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
4029 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
4032 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
4034 * loop.c (combine_movables): Earlier insns don't match later ones.
4036 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4038 * config/linux.h (CC1_SPEC): Define it only if not defined.
4040 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
4043 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
4044 USE_GNULIBC_1 is not defined.
4046 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
4048 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
4049 as 1 if USE_GNULIBC_1 is not defined.
4051 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
4053 * reorg.c (dbr_schedule): Allow current_function_return_rtx
4054 to be something other than a REG.
4055 * function.c (expand_function_end): Fix current_function_return_rtx
4058 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
4059 * x-netbsd: Likewise
4060 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
4061 (INSTALL_HEADERS): Delete.
4062 * x-dguxbcs: Likewise.
4063 * x-hp3bsd44: Likewise
4066 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4068 * i386.md (pop): pop increments the stack pointer.
4069 (prologue_set_stack_ptr): New pattern.
4070 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
4073 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
4075 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
4076 address where an offsettable address is required.
4078 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
4080 * loop.c (check_final_value): Don't miss a biv increment in a
4083 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
4085 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
4086 TYPE_DECL_IS_STUB instead of DECL_NAME.
4088 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4090 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
4092 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
4094 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
4096 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
4098 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
4099 (find_post_sched_live): Likewise.
4101 * haifa-sched.c (schedule_block): Remove old code to get arguments
4102 from hard regs into pseudos early.
4104 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
4106 * version.c: Bump for new snapshot.
4108 * local-alloc.c (update_equiv_regs): All the target to reject
4109 promotion of some REG_EQUAL to REG_EQUIV notes.
4110 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
4112 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
4115 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
4116 store of the argument registers.
4118 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
4120 * fold-const.c (multiple_of_p): New function.
4121 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
4123 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
4125 * expr.h (insn_gen_function): Temporarily remove prototype.
4127 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
4129 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
4130 filenames. Use sed to extract base filename for install.
4132 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
4134 * unroll.c (find_splittable_givs): Only share if two givs have the
4135 same add and multiply values.
4137 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
4139 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
4140 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
4142 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
4144 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
4145 around branch tables.
4146 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
4147 and .end_brtab directives if TARGET_GAS.
4149 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
4151 * alias.c (true_dependence): Pass x_addr not x to varies.
4153 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
4154 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
4155 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
4157 * config.in, configure: Regenerate.
4159 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
4161 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
4163 (record_set): Handle LO_SUM like PLUS.
4164 (init_alias_analysis): When following chains of base addresses,
4165 do not stop on reaching a hard register.
4167 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
4169 * version.c: Bump for new snapshot.
4171 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
4173 * alpha.h (ARCH_ASM_FILE_START): Define.
4174 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
4175 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
4177 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
4179 * Makefile.in (install-common): Put gcov comment at start of line.
4181 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
4183 * alias.c (init_alias_analysis): When simplifying the reg_base_value
4184 array, simplify entries for hard registers too.
4186 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
4188 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
4191 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
4193 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
4194 block_stack before dereferencing it.
4196 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
4198 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
4200 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4202 * cplus-dem.c: Add 'extern' to prepends_underscore.
4204 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
4206 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
4207 (get_issue_rate): Delete.
4208 * pa.h (ISSUE_RATE): Define.
4210 * configure.in: Turn on haifa by default for the PA.
4211 * configure: Rebuilt.
4212 * pa.c (override_options): Accept -mschedule=7200 option.
4213 (pa_adjust_cost): No longer need to scale costs for newer
4215 * pa.h (enum processor_type): Add PROCESSOR_7200.
4216 * pa.md: Revamp scheduling parameters to work better with
4217 haifa. Add scheduling parameters for the 7200.
4219 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
4221 (schedule_block): When adjusting basic_block_{head,end}, account
4222 for movement of SCHED_GROUP_P insns too.
4224 * haifa-sched.c (debug_dependencies): Fix thinko.
4226 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
4227 (site.exp, check, check-g++, check-gcc): New targets.
4229 * haifa-sched.c: Make lots of variables static.
4231 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4233 * expr.h, real.h: Finish prototyping.
4235 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
4237 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
4238 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
4239 * reload1.c: Undo bugfix from Aug 11.
4241 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
4243 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
4244 quotes around the name.
4245 * configure: Regenerate.
4247 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
4249 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
4251 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
4253 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
4254 to sub-makes to avoid building more passes than the user might have
4255 requested on the command line.
4257 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
4259 * configure.in: Expurgate `broken_install' (install is
4262 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
4265 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
4267 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
4268 functions and declarations.
4269 (analyze_loop_iterations): Use condjump_p.
4270 (insert_bct): Likewise. Use exact_log2.
4272 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
4274 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
4275 (schedule_region): Likewise.
4276 (schedule_insns): Likewise.
4278 * PROJECTS: Update with Haifa stuff.
4280 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
4282 * version.c: Change the version string to look like:
4283 egcs-2.90.00 970814 (gcc2-970802 experimental).
4285 * loop.c (is_conditional_branch): Make definition match declaration.
4287 * gcc.c: Take out experimental snapshot warning message.
4289 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
4291 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
4292 print out the names of the notes. Print out the name of the insn
4293 that is not a note, and not an {,CALL_,JUMP_}INSN.
4295 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4297 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4298 again for the slot after we give it RTL.
4300 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
4302 * configure.in (haifa configury): Fix typo.
4303 * configure: Regenerate.
4305 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
4307 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
4309 * gcc.info*: Rebuilt.
4311 * COPYING.g77, README.g77: New files.
4312 * real.c (ereal_unto_float, ereal_unto_double): New functions.
4313 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
4314 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
4316 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
4318 * Integrate Haifa instruction scheduler.
4319 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
4320 to sched with $(SCHED_CFLAGS.
4321 * configure.in: Handle --enable-haifa.
4322 * configure: Rebuilt.
4323 * flags.h: Add new flags for haifa instruction scheduler.
4324 * genattrtab.c (expand_units): For haifa, don't subtract one
4325 when computing blockage.
4326 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
4327 (flag_schedule_speculative): Ditto.
4328 (flag_schedule_speculative_load): Ditto.
4329 (flag_schedule_speculative_load_dangerous): Ditto.
4330 (flag_schedule_reverse_before_reload): Ditto.
4331 (flag_schedule_reverse_after_reload): Ditto.
4332 (flag_branch_on_count_reg): Ditto.
4333 (f_options): Add Haifa switches.
4334 (main): Turn off some Haifa options if appropriate macro is
4335 defined. Process Haifa switches.
4336 * unroll.c (iteration_info): No longer static, since Haifa
4338 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
4339 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
4340 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
4341 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
4342 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
4343 storage for the Haifa scheduler.
4344 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
4346 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
4347 are defined, call analyze_loop_iterations and insert_bct to use
4349 (record_giv): Refine test for jumps out of loops if HAIFA is
4351 (analyze_loop_iterations): New function to identify if we can use
4353 (insert_bct): Insert countdown loop.
4354 (instrument_loop_bct): Low level code to insert countdown loop.
4355 (loop_number): Calculate UID of loop.
4356 (indirect_jump_in_function_p): Return true if an indirect jump is
4358 (is_power_of_2): Return true if value is a power of 2.
4359 (is_conditional_branch): Return true if insn is a conditional
4361 (fix_bct_param): Process -fbct-{min,max}-N switches.
4362 (check_bct_param): Return true if loop should be instrumented.
4363 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
4364 (loop_optimize): Initialize.
4365 (get_condition_for_loop): Ditto.
4366 * loop.c (strength_reduce): Inside of code that uses #ifdef
4367 HAVE_decrement_and_branch_on_count code, test it to make sure the
4369 (instrument_loop_bct): Ditto.
4370 * haifa-sched.c: New file.
4373 * Integrate regmove pass.
4374 * Makefile.in (OBJS): Add regmove.o
4375 (regmove.o): Add dependencies.
4376 * flow.c (find_use_as_address): No longer static.
4377 * rtl.h (find_use_as_address): Declare.
4378 * toplev.c (regmove_dump, flag_regmove): Define.
4379 (f_options): Add -fregmove.
4380 (regmove_dump_file, regmove_time): Define.
4381 (fatal_insn): Close the regmove dump file.
4382 (compile_file): Initialize regmove_time; open/close the regmove dump
4383 file as needed. Print regmove time as needed.
4384 (rest_of_compilation): Run regmove pass if requested, dump
4385 RTL after regmove if requested.
4386 (main): If -O2 or more, turn on regmove. Handle dump switches.
4387 * regmove.c: New file.
4389 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
4391 * Integrate tlink patch from jason@cygnus.com
4392 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
4393 (process_command): Increment n_switches for them. Don't discard
4394 their args. Validate them.
4395 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
4397 (process_command): Set include_prefixes from COMPILER_PATH.
4398 (main): Set COLLECT_GCC_OPTIONS sooner.
4399 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
4400 * tlink.c, hash.c, hash.h: New files.
4401 * Makefile.in (USE_COLLECT2): Always use collect2.
4402 (collect2): Depend on and link in hash.o and tlink.o.
4403 (tlink.o, hash.o): Add dependencies.
4405 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
4407 * Integrate alias analysis changes from jfc@mit.edu
4408 * Makefile.in (OBJS): Add alias.o
4409 (alias.o): Add dependencies.
4410 * alias.c: New file.
4411 * sched.c: Remove alias analysis code. It lives in alias.c now.
4412 (sched_analyze_2): Add new arguments to true_dependence.
4413 (schedule_insns): Always call init_alias_analysis.
4414 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
4415 mark return value from such functions as a pointer and keep track of
4416 them for alias analysis. If a return value from a function is a
4417 pointer, mark it as such.
4418 * combine.c (distribute_notes): Handle REG_NOALIAS.
4419 * cse.c (struct write_data): Delete. No longer needed.
4420 (invalidate): Don't call set_nonvarying_address_components anymore.
4421 Use true_dependence to decide if an entry should be removed from
4423 (invalidate_memory): Remove WRITES argument, simplify appropriately.
4425 (note_mem_written): Similarly for WRITE_PTR argument.
4426 (invalidate_from_clobbers): Similarly for W argument.
4427 (invalidate_for_call): Remove memory elements from the hash table.
4428 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
4429 (cse_rtx_varies_p): New function. Derived from old
4430 cse_rtx_addr_varies_p.
4431 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
4432 Don't call note_mem_written anymore. Stack pushes invalidate the stack
4433 pointer if PUSH_ROUNDING is defined. No longer need to call
4434 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
4435 (skipped_writes_memory): Remove variable.
4436 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
4437 (invalidate_skipped_block): Simplify for new alias analysis code.
4438 (cse_set_around_loop): Likewise.
4439 (cse_main): Call init_alias_analysis.
4440 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
4441 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
4442 (f_options): Add new alias checking arguments.
4443 (main): Set flag_alias_check when optimizing.
4444 * local_alloc (validate_equiv_mem_from_store): Add new arguments
4446 (memref_referenced_p): Likewise.
4447 * loop.c (NUM_STORES): Increase to 30.
4448 (prescan_loop): Only non-constant calls set unknown_address_altered.
4449 (invariant_p): Add new arguments to true_dependence.
4450 (record_giv): Initialize unrolled and shared fields.
4451 (emit_iv_add_mult): Call record_base_value as needed.
4452 * loop.h (struct induction): Add unrolled and shared fields.
4453 * unroll.c (unroll_loop): Call record_base_value as needed.
4454 (copy_loop_body): Likewise.
4455 (final_biv_value): Likewise.
4456 (final_giv_value): Likewise.
4457 (find_splittable_regs): Likewise. Only create one new pseudo
4458 if we have multiple address GIVs that were combined with the same
4459 dst_reg GIV. Note when a new register is created due to unrolling.
4460 * rtl.c (reg_note_name): Add REG_NOALIAS.
4461 * rtl.h (enum reg_note): Similarly.
4462 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
4463 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
4464 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
4465 (true_dependence, read_dependence, anti_dependence): Likewise.
4466 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
4467 (mark_user_reg, mark_reg_pointer): Likewise.
4470 * Integrate reload bugfix from Wilon which enables the PA port
4472 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
4473 OPERAND_ADDRESS when computing how many registers an insn needs.
4474 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
4476 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
4478 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
4479 in reload_reg_use_in_op_addr do not reach the end.
4480 do not reach the end.
4481 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
4482 RELOAD_FOR_OPERAND_ADDRESS.
4484 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
4486 * egcs project officially starts.
projects / gcc.git / blob