1 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
3 * toplev.c (rest_of_compilation): Replace references to
4 stack_reg_dump_file and dbr_sched_dump_file with references to
7 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
9 * tlink.c (scan_linker_output): Call fclose() for opened files.
11 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
13 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
14 compiling with -fpic -- we want to be able to override symbols
16 (alpha_expand_block_move): Fix thinko in last change.
18 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
19 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
20 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
22 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
24 * alpha.md (abssf, absdf): Revert last change.
26 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
28 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
29 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
31 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
33 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
34 a CONST_INT into SFmode.
36 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
38 * flags.h: New flag (optimize_size).
39 * toplev.c (main): Parse -Os option and set optimize_space
41 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
42 __OPTIMIZE_SIZE__ when compiling with -Os.
43 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
44 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
45 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
47 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
49 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
51 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
52 stuff only if MCT_TEXT is #define'd.
54 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
56 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
59 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
61 * toplev.c: Add -dM command line option to dump RTL after the
62 machine dependent reorganisation pass, if there is one.
63 Reorganise RTL dump code, so that only one file handle is
66 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
68 * except.c (check_exception_handler_labels): Disable warning when
71 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
73 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
75 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
77 * c-decl.c (grokdeclarator): Get parameter tags from
78 last_function_parm_tags.
79 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
80 traversing the parameter types.
81 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
83 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
85 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
87 (get_shift_alg): Fix typo.
89 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
91 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
93 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
95 * toplev.c (get_run_time): Make sure each case gets its variables.
97 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
99 * configure.in (build_xm_file): Add auto-config.h if host=build.
100 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
101 (build_xm_file_list): Likewise.
102 * configure: Rebuild.
104 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
106 * recog.c (validate_replace_rtx_1): Only perform substitutions
107 of arguments to commutative and comparison operators once.
109 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
111 * sparc.c (output_cbranch): Add default case in
114 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
115 (emit_delay_sequence): Eliminate unused parameter, all callers
117 (fill_simple_delay_slots): Likewise.
118 (fill_slots_from_thread): Likewise.
119 (fill_eager_delay_slots): Likewise.
120 (mark_referenced_resources): Add default case in enumeration switch.
121 (mark_set_resources): Likewise.
122 (rare_destination): Likewise.
123 (mostly_true_jump): Likewise.
124 (find_dead_or_set_registers): Likewise.
125 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
126 (update_reg_unused_notes): Remove unused variable `p'.
127 (mark_target_live_regs): Remove unused variables `next' and
129 (fill_simple_delay_slots): Remove unused variable `j'.
130 (fill_slots_from_thread): Add parentheses around assignment used
132 (dbr_schedule): Likewise.
134 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
135 (objc.stage2, objc.stage3, objc.stage4): Likewise.
137 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
139 * cse.c (simplify_ternary_operation): Don't try to simplify
140 IF_THEN_ELSE expressions (created by combine) that don't use
141 relational operators.
143 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
145 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
148 * crtstuff.c (init_dummy): Keep the epilogue in the init
149 section for non-ELF systems.
151 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
153 * sh.md (movqi_i+1): New peephole.
155 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
157 * Makefile.in: Remove remaining bytecode stuff.
158 * emit-rtl.c, expr.c: Likewise.
160 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
162 * toplev.c (lang_options): Add unknown-pragma options.
164 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
166 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
167 special (and incomplete) handling for Chill arrays.
169 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
171 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
174 Fri Jan 23 00:19:36 1998 Gavin Kock (gavin@cygnus.com)
176 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
178 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
180 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
181 .frame directive instead of FRAME_POINTER_REGNUM.
183 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
185 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
186 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
187 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
188 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
189 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
190 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
191 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
192 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
194 * longlong.h: Replace __mc68332__ with __mcpu32__.
196 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
198 * version.c: Bump for snapshot.
200 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
202 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
203 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
204 * reload1.c (eliminate_regs): Likewise.
206 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
208 * regmove.c (find_matches): Initialize matches->earlyclobber too.
210 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
212 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
213 (negsf2, negdf2): Use proper subtract in IEEE mode.
215 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
217 * Makefile.in: Remove more bytecode stuff.
218 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
219 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
220 * f/install.texi, objc/Make-lang.in: Likewise.
222 * Makefile.in: Remove all bytecode support.
223 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
224 * emit-rtl.c: Remove all bytecode support.
225 * expr.c, expr.h function.c, integrate.c: Likewise.
226 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
227 * tree.h, varasm.c: Likewise.
228 * config/m68k/m68k.h: Likewise.
229 * bi-*, bc-*, bytecode*: Delete bytecode related files.
230 * modemap.def: Likewise.
232 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
234 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
235 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
237 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
239 * i386.md (push): Prohibit symbolic constants if flag_pic.
240 (movsi+1): Likewise for move to non-register.
242 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
244 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
245 (print_operand): Handle 0xffffffff on 32 bit host.
247 * configure.in (thread_file): Rename uses before main loop to
248 target_thread_file. Initialize to empty in main loop. Set thread_file
249 to target_thread_file after main loop if not set.
250 * configure: Rebuild.
252 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
253 (add_values_to_cover): Revert last change (which had no ChangeLog
255 (simplify_with_current_value_aux): Handle CONST_INT.
257 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
259 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
261 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
263 * configure.in: Add cpp stringify test.
264 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
265 * gengenrtl.c: Use it.
266 * configure, config.in: Rebuild.
268 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
270 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
272 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
274 * configure.in: Find declaration for sbrk.
275 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
276 * config.in, configure: Rebuild.
277 * mips-tfile.c: Properly protect declaration of sbrk and free.
278 * toplev.c: Properly protect declaration of sbrk.
280 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
282 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
284 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
286 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
288 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
290 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
292 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
294 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
295 constant offset computations from objects with known alignment in
296 the presence of STACK_BIAS.
298 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
300 (const_hash): Hash val is unsigned long.
303 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
305 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
306 char pointer, not HOST_WIDE_INT.
307 (print_node): Likewise. Also hash is unsigned long not
310 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
312 * explow.c (optimize_save_area_alloca): New function for targets
313 where SETJMP_VIA_SAVE_AREA is true.
314 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
315 compute the amount of stack space needed should we find later that
316 setjmp is never called by this function, stuff rtl for this inside
317 a REG_NOTE of the final SET of stack_pointer_rtx.
318 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
319 current_function_calls_alloca, call optimize_save_area_alloca.
321 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
323 * i386.md: Remove redundant integer push patterns.
324 Don't bother checking for TARGET_PUSH_MEMORY when
325 pushing constants or registers.
327 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
328 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
330 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
331 (pwait): New function for mingw32.
333 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
334 pipe support is broken for now.
336 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
338 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
339 between frame_pointer_rtx, hard_frame_pointer_rtx, and
340 arg_pointer_rtx is respected in initialization.
341 (init_emit_once): Use gen_rtx_raw_REG() to create
342 return_address_pointer_rtx.
344 * reorg.c: #include "expr.h" for rtx prototypes.
345 * Makefile.in (reorg.o): Depend on expr.h
347 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
349 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
350 local_prefix to sub-make invocations.
352 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
354 * objc-parse.c: Recognize protocol qualifiers in class definitions.
356 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
360 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
361 * configure.in: Check for atol.
362 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
364 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
366 * loop.c (find_and_verify_loops): When attempting to move insns from
367 inside the loop outside the loop, create a BARRIER if no suitable
370 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
371 favor of an equivalent change from gcc-2.8.
373 * i386/x-sco5 (CC): Remove trailing whitespace.
375 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
377 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
378 (accessor_from_format): Likewise.
379 (xmalloc): New function for use when linking with alloca.o.
381 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
383 * frame.c (find_fde): Correct FDE's upper bound.
385 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
387 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
389 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
391 * calls.c (expand_call): Move #ifdef code out of macro argument
393 (emit_library_call, emit_library_call_value): Likewise.
395 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
397 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
399 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
401 * version.c: Bump for snapshot.
403 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
405 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
406 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
407 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
408 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
409 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
410 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
411 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
412 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
413 * unroll.c, varasm.c: Likewise.
414 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
416 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
418 * mips.h: Fix some type-o's from a previous change.
420 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
422 * loop.c (check_dbra_loop): Make sure initial value is a
423 CONST_INT before trying to normalize it.
425 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
427 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
429 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
431 * cppexp.c: Include gansidecl.h
433 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
435 * svr4.h (LINK_SPEC): Never specify -h.
436 * ptx4.h (LINK_SPEC): Likewise.
437 * rs6000/sysv4.h (LINK_SPEC): Likewise.
438 * sparc/sol2.h (LINK_SPEC): Likewise.
440 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
442 * c-typeck.c (comptypes): Exit early on NULL input.
444 * haifa-sched.c (schedule_insns): Correctly remove inter-block
445 dependencies after reload.
447 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
449 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
451 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
453 * alpha/vms.h (DIR_SEPARATOR): define
455 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
457 * Makefile.in (stamp-proto): Remove.
458 (protoize.o, unprotoize.o): Straightforward compile.
459 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
461 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
463 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
464 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
466 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
468 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
469 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
470 * sparc/netbsd.h, vax/netbsd.h: Likewise.
472 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
474 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
476 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
478 * configure.in (target_cpu_default, target_cpu_default2): Use double
479 quotes around them when testing their value.
480 * configure: Rebuilt.
482 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
484 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
486 (gendef): Call obstack_alloc_rtx.
488 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
490 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
493 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
495 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
496 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
497 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
499 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
501 * mips.md (return_internal): Change mode from SImode to VOIDmode.
503 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
505 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
508 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
510 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
511 suffix from operand 3.
513 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
514 Jeffrey A Law (law@cygnus.com)
516 * regmove.c: New implementation of regmove pass.
517 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
518 decls, make them have external linkage. Return a value from
520 * reload.h (count_occurrences): Add decl.
521 * reload1.c (count_occurrences): Delete decl, make it have external
523 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
525 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
527 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
528 if it is not defined.
530 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
532 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
533 * emit-rtl.c (gen_rtx): Move special code to ...
534 (gen_rtx_CONST_INT): New function.
535 (gen_rtx_REG): New function.
536 (*): Update all calls to gen_rtx.
537 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
538 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
539 (GEN_INT): Call gen_rtx_CONST_INT.
540 * gengenrtl.c: New file.
542 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
544 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
545 (base_alias_check): If no base found for address call canon_rtx and
548 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
550 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
551 arguments for mips16.
552 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
553 Don't lose if tsize is zero after handling large stack for mips16.
554 * mips.md (return): For trivial return, return address is in $31.
556 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
558 * mips/mips16.S: Various changes to make it work with -msingle-float
561 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
562 Ian Lance Taylor <ian@cygnus.com>
563 Jeff Law <law@cygnus.com>
565 * mips.c, mips.h, mips.md: First cut at merging in mips16
566 support. Major modifications throughout all three files.
568 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
570 * configure.in: Make gthr-default.h a forwarding header instead of
573 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
575 * gcov-io.h: Include sys/types.h to ensure we get size_t.
577 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
579 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
580 Jeffrey A Law (law@cygnus.com)
582 * crtstuff.c (__frame_dummy): New function for irix6.
583 (__do_global_ctors): Call __frame_dummy for irix6.
584 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
586 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
588 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
590 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
592 * c-decl.c (init_decl_processing): Provide proper fallback symbol
593 for __builtin_memset.
594 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
595 not INTEGER_CST. Assert arg 3 is a constant.
597 * alpha.c (mode_width_operand): Accept 64-bit modes.
598 (mode_mask_operand): Likewise.
599 (print_operand): Likewise for 'M' and 'U' codes.
600 (alpha_expand_unaligned_load): New function.
601 (alpha_expand_unaligned_store): Likewise.
602 (alpha_expand_unaligned_load_words): Likewise.
603 (alpha_expand_unaligned_store_words): Likewise.
604 (alpha_expand_block_move): Likewise.
605 (alpha_expand_block_clear): Likewise.
606 * alpha.h (MOVE_RATIO): New define.
607 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
608 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
610 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
611 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
613 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
615 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
618 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
620 * emit-rtl.c (operand_subword): Correctly handle extracting a word
621 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
623 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
626 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
628 * configure.in: Set and subsitute host_exeext. Use it when creating
629 the assembler and linker symlinks.
630 * configure: Rebuild.
631 * Makefile.in (exeext): Set to @host_exeext@.
632 (build_exeext): New variable, set to @build_exeext@.
633 (FLAGS_TO_PASS): Pass down build_exeext.
634 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
637 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
639 * mn10200.md (addsi3, subsi3): Fix thinkos.
641 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
643 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
644 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
645 unix always, since we want to be able to thunk to functions in a
646 shared library from an application.
648 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
650 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
651 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
653 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
655 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
656 offset's mode is not ptr_mode, convert it.
658 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
660 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
661 compiling if it was already defined.
663 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
665 * flow.c (find_basic_blocks): Don't create a new basic block
666 for calls in a LIBCALL block.
668 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
670 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
672 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
674 * cse.c (rtx_cost): Remove conflicting default case.
676 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
678 * configure.in: Move default enabling of Haifa out of for loop.
679 * configure: Rebuild.
681 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
683 * version.c: Bump for snapshot.
685 1997-12-25 Teemu Torma <tot@trema.com>
687 * Makefile.in (GTHREAD_FLAGS): New var.
688 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
689 (distclean): Remove gthr-default.h.
691 * configure.in: Accept dce as a thread package.
692 Check for thread.h and pthread.h.
693 Link gthr-default.h to appropriate thread file and set
695 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
696 include multilib definitions from pa/t-dce-thr.
697 (sparc-*-solaris2*): Enable threads by default, if thread.h or
698 pthread.h is found, preferring posix threads over solaris ones.
700 * config/pa/t-dce-thr: New file.
701 * config/pa/t-pa: Removed multilibs.
702 * config/sparc/t-sol2: Ditto.
705 * gthr-single.h: New file.
706 * gthr-posix.h: New file.
707 * gthr-solaris.h: New file.
708 * gthr-dce.h: New file.
709 * libgcc-thr.h: Removed.
710 * objc/thr-dce.c: New file copied from thr-decosf1.c.
712 * frame.c: Include gthr.h instead of libgcc-thr.h.
713 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
714 (eh_context_initialize): If __gthread_once fails, use static eh
716 (eh_context_free): Call __gthread_key_dtor.
718 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
720 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
722 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
724 * cse.c (max_insn_uid): New variable.
725 (cse_around_loop): Use max_insn_uid.
726 (cse_main): Set max_insn_uid.
728 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
729 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
730 -mlong64, and -mgp{32,64} options.
731 * mips.c (mips_abi): Change type to int.
732 * mips.h (enum mips_abi_type): Delete.
733 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
734 (mips_abi): Change type to int.
736 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
738 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
739 optimization is now always enabled.
741 * calls.c (expand_call): Recognize C++ operator new as malloc-like
744 * alias.c (memrefs_conflict_p): Eliminate tests now done by
746 (*_dependence): Call canon_rtx before base_alias_check.
747 (init_alias_once): New function to precompute set of registers which
748 can hold Pmode function arguments.
750 * rtl.h: Declare init_alias_once.
752 * toplev.c (compile_file): Call init_alias_once.
754 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
756 * tree.c (restore_tree_status): Do not dereference a null pointer.
758 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
760 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
761 RLIMIT_STACK. This maintains consistency with the recent, similar
762 patch to cccp.c and toplev.c.
764 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
766 * genattrtab.c (expand_units): For large nr opclasses, expand
767 function_units_used with ORX to prevent blowups. Tag with FFS.
768 (num_unit_opclasses): New variable.
769 (gen_unit): Update it.
770 (enum operator): Add ORX_OP.
771 (operate_exp): Treat ORX as or, except don't expand across an if.
772 Reuse number rtx's after operating on them.
773 (check_attr_value): Accept IOR, AND, & FFS.
774 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
775 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
776 (write_expr_attr_cache, write_toplevel_expr): New functions.
777 (write_attr_get): Handle FFS-tagged expressions.
778 (make_canonical): Don't expand const attributes.
779 (convert_const_symbol_ref): Dike out.
780 (evaluate_eq_attr): Handle SYMBOL_REF.
781 (main): Don't emit get_attr_foo for const attributes.
783 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
784 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
785 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
786 * alpha.md: Redo all of the scheduling, adding EV6 support, and
787 combining function units where possible.
788 (attr "type"): Split loads, stores, cmov into int/fp. Combine
789 multiplies and divides. Add EV6 sqrt, ftoi, itof.
790 (attr "opsize"): New attribute.
791 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
792 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
793 to control register allocation.
794 (movsi2-1, movdi2-1): Likewise.
796 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
798 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
799 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
800 Move OSF/1 specific defines out.
801 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
802 Move Linux specific defines out.
803 (LINK_SPEC): Genericize.
804 (ASM_FILE_START): Emit .arch if using more than the base insn set.
805 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
806 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
807 (HANDLE_SYSV_PRAGMA): Define.
808 * alpha/osf.h: New file.
809 * alpha/linux.h: Split. Retain file-format independant defines.
810 Import Linux bits from elf.h.
811 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
812 (FUNCTION_PROFILER): _mcount takes its address in $28.
813 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
814 * alpha/linux-ecoff.h: New file.
815 * alpha/linux-elf.h: New file.
816 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
817 * alpha/win-nt.h (TARGET_DEFAULT): Define.
818 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
819 Add new headers as appropriate.
821 * configure.in (alpha*): Enable Haifa by default.
822 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
823 * configure: Rebuild.
825 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
827 * Makefile.in (clean): Remove the stages with their objects here ...
828 (distclean): ... instead of here.
830 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
832 * cse.c (rtx_cost): Add default case in enumeration switch.
833 * fix-header.c (recognized_macro): Likewise.
834 (recognized_extern): Likewise.
835 (write_rbrac): Likewise.
836 * objc/objc-act.c (encode_aggregate): Likewise.
837 (gen_declarator): Likewise.
838 (gen_declspecs): Likewise.
840 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
842 * haifa-sched.c (create_reg_dead_note): Detect and handle another
843 case where we kill more regs after sched than were killed before
845 * sched.c (create_reg_dead_note): Similarly.
847 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
849 * c-pragma.c: Include flags.h.
851 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
853 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
854 about system headers.
855 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
856 and also to resolve symbols in prefix.c.
858 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
859 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
860 when the definitions in auto-config.h is not visible.
861 (HAVE_BZERO): Likewise.
862 (HAVE_BCMP): Likewise.
863 (HAVE_RINDEX): Likewise.
864 (HAVE_INDEX): Likewise.
866 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
868 * pa.c (emit_move_sequence): Handle a function label source
871 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
873 * c-pragma.c (handle_pragma_token): Generate warning messages
874 about unknown pragmas if warn_unknown_pragmas is set.
876 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
877 line option to set variable: warn_unknown_pragmas.
879 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
881 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
883 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
885 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
887 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
888 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
889 generate more fine grained floating point emulation libraries.
890 * config/fp-bit.c: Add protecting #ifdef to all functions so
891 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
892 then compile all suitable functions.
893 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
894 underscores to avoid namespace pollution.
895 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
897 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
901 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
902 Jeff Law <law@cygnus.com>
904 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
906 * c-decl.c (finish_decl): Use parentheses around && within ||.
907 * rtl.c: Include stdlib.h.
908 (read_skip_spaces): Add parentheses around assignments used as
910 (read_rtx): Initialize list_rtx.
911 * cppexp.c (parse_number): Use || when operands are truth values.
912 * alias.c (find_base_value): Add default case.
913 (memrefs_conflict): Likewise.
914 * combine.c (sets_function_arg_p): Likewise.
915 * genemit.c (gen_exp): Likewise.
916 * local-alloc.c (contains_replace_regs): Likewise.
917 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
918 * fold-const.c (fold_convert): Use "&&" for truth values.
919 (fold): Add default case.
920 * sdbout.c (sdbout_field_types): Fix typo in declaration.
921 (sdbout_one_type): Add default case.
922 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
923 (some_operand): Add default case.
924 (input_operand): Likewise.
925 (signed_comparison_operator): Likewise.
926 (divmod_operator): Likewise.
927 (alpha_set_memflags_1): Likewise.
928 * reload1.c (reload_cse_simplify_operands): Ensure function
929 always returns a value.
930 * scan-decls.c (scan_decls): Likewise.
931 * c-lex.c (skip_white_space): Fix typo in declaraion.
932 * c-typeck.c (comp_target_types): Add parentheses around assignment
934 (print_spelling): Likewise.
935 (constructor_implicit, constructor_result): Remove unused variables.
936 * collect2.c (scan_library): Protect prototype with
937 #ifdef SCAN_LIBRARIES.
938 * emit-rtl.c (find_line_note): Fix typo in declaration.
939 * final.c (asm_insn_count): Protect prototype with
940 #ifdef HAVE_ATTR_length.
941 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
942 (try_pre_increment_1, try_pre_increment): Likewise.
943 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
944 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
945 * gcov-io.h (__store_long, __write_long, __read_long): Fix
946 unsigned/signed comparisons.
947 * gcov.c (read_files): Remove unused "first_type" variable.
948 (scan _for_source_files): Initialize s_ptr.
949 (function_summary): Eliminate "%lf" formatting, use %ld for
951 (output_data): Initialize branch_probs and last_line_num.
952 Eliminate "%lf" formatting, use "%ld" for longs.
954 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
956 * mips16.S: New file.
958 * libgcc2.c (varargs): Handle mips16.
960 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
962 * stmt.c (expand_end_case): Likewise.
963 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
964 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
965 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
967 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
969 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
971 (libobjc.a): Update dependency list.
972 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
974 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
975 (objc.mostlyclean): Remove runtime-info.h.
977 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
979 * tree.c (build_range_type): Allow creation of ranges with no maximum.
980 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
981 * dwarf2out.c (add_subscript_info): Likewise.
982 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
983 * sdbout.c (plain_type_1): Likewise.
984 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
986 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
989 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
991 * mips.c (fatal): Remove declaration.
993 1997-12-18 Mark Mitchell <mmitchell@usa.net>
995 * integrate.c (get_label_from_map): New function.
996 (expand_inline_function): Use it. Initialize the label_map to
997 NULL_RTX instead of gen_label_rtx.
998 (copy_rtx_and_substitute): Use get_label_from_map.
999 * integrate.h (get_label_from_map): New function.
1000 (set_label_from_map): New macro.
1001 * unroll.c (unroll_loop): Use them.
1002 (copy_loop_body): Ditto.
1004 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
1006 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
1007 (INIT_TARGET_OPTABS): Define.
1008 * mips/ecoff.h: Include gofast.h before mips.h.
1009 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
1010 * mips/elf64.h: Likewise.
1011 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
1013 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
1015 * except.c: Remove register_exception_table{,_p}.
1017 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
1019 * unroll.c (calculate_giv_inc): Handle constant increment found in
1020 a MEM with an appropriate REG_EQUAL note.
1022 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
1024 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
1025 frame pointer in the prologue.
1027 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
1029 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
1030 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
1032 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
1034 * config/m68k/m68k.c (output_function_prologue): Typecast
1035 dwarf2out_cfi_label to (char *).
1036 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
1038 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
1040 * sparc.md (jump): Don't use the annul bit around an empty loop.
1041 Patch from Kevin.Kelly@East.Sun.COM.
1043 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
1045 * jump.c: (jump_optimize): Don't use the return register as a
1046 source1 of a conditional move.
1048 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
1050 * sparc.c (DF_MODES): Or the mask not the bit number.
1051 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
1053 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1055 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
1057 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
1059 * fixincludes (size_t): Add support for Motorola's stdlib.h
1060 which fails to provide a definition for size_t.
1061 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
1062 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
1063 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
1065 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
1066 prevent unresolved externals in libio.
1067 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
1069 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
1071 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
1072 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
1073 (LIB_SPEC): Updated for glibc 2.
1075 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
1077 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
1078 * ginclude/varargs.h: Likewise.
1080 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
1082 * version.c: Bump for snapshot.
1084 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
1086 * frame.h (__register_frame, __register_frame_table,
1087 __deregister_frame): New.
1088 * frame.c (__register_frame, __register_frame_table,
1089 __deregister_frame): New.
1090 * frame.c (__deregister_frame_info): Return void *.
1091 * frame.h (__deregister_frame_info): Ditto.
1092 * collect2.c (__deregister_frame_info): Ditto.
1094 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
1096 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
1098 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
1100 * alpha.c (alpha_cpu_name): New variable.
1101 (alpha_mlat_string): Likewise.
1102 (alpha_memory_latency): Likewise.
1103 (override_options): Handle -mmemory-latency.
1104 (alpha_adjust_cost): Adjust load cost for latency.
1105 * alpha.h (TARGET_OPTIONS): Add meory-latency.
1106 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
1107 TARGET_CIX into account.
1108 (MEMORY_MOVE_COST): Define in terms of memory_latency.
1109 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
1111 * alpha.h (ASM_COMMENT_START): New macro.
1113 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
1115 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
1116 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
1118 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1119 SUBREG_REG if the word count is unchanged.
1120 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
1121 subregs of identical word size for push_reload.
1123 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
1125 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
1126 if all we're doing is dealing with -Wreturn-type.
1128 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
1130 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
1131 Use and 255 instead of zapnot 1, since it schedules better.
1133 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
1135 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
1138 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
1140 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
1141 dependency we delete. Properly update prev for multiple consecutive
1143 (priority): Skip deleted dependence.
1145 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
1147 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
1149 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1151 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
1152 determining when a new basic block starts.
1154 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
1156 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
1157 * pa.md (iorsi3): Add missing args to *_operand calls.
1159 * except.c (call_get_eh_context): Don't mess with sequences.
1160 (emit_eh_context): Include the call in the sequence here.
1162 1997-12-11 Paul Eggert <eggert@twinsun.com>
1164 * collect2.c (write_c_file_glob): Allocate initial frame object
1165 in static storage and pass its address.
1167 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1169 * except.c (call_get_eh_context): Don't take a parm.
1170 Put the call at the top of the function.
1171 (emit_eh_context): Adjust.
1172 (get_eh_context): Replace with former use_eh_context.
1173 (get_eh_context_once, get_saved_pc_ref): Remove.
1174 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
1176 * integrate.c (expand_inline_function): Adjust.
1177 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
1179 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
1181 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
1182 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
1184 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
1186 * fixincludes (strlen,strspn,strcspn return value): Handle different
1188 (hypot): Provide a fake for hypot which is broken on
1189 m88k-motorola-sysv3.
1191 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
1193 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
1194 tree_code_name from pointers to arrays.
1195 * tree.c: Remove standard_tree_code_* variables, no longer used.
1196 * print-tree.c: Remove declaration of tree_code_name.
1198 * cp/lex.c (init_lex): Update for tree_code_* changes.
1199 * objc/objc-act.c (init_objc): Likewise.
1201 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
1204 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
1206 * config.sub: Add support for BeOS target.
1207 * configure.in: Likewise.
1208 * ginclude/stdarg.h: Likewise.
1209 * ginclude/stddef.h: Likewise.
1210 * ginclude/varargs.h: Likewise.
1211 * rs6000/beos.h: New file for BeOS.
1212 * rs6000/t-beos: Likewise.
1213 * rs6000/x-beos: Likewise.
1214 * rs6000/xm-beos.h: Likewise.
1215 * toplev.c (get_run_time): Just return 0 on BeOS.
1217 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
1218 Toon Moene (toon@moene.indiv.nluug.nl)
1220 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
1221 old and broken Sun3 assemblers. Newer versions handle large
1222 offsets correctly as does the GNU assembler.
1224 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1226 * objc/objc-act.c (lang_report_error_function): Disable.
1227 * objc/objc-parse.y: Include "output.h".
1228 (yyerror): Remove redundant decl.
1229 (yyprint): Fix prototype.
1230 (apply_args_register_offset): Remove redundant decl.
1231 (get_file_function_name): Likewise.
1233 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
1235 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
1237 (find_basic_blocks_1): Likewise.
1239 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1241 * except.c (use_eh_context): Don't copy_rtx a REG.
1242 (emit_throw): Lose old unwinder support.
1243 (expand_internal_throw): Likewise.
1244 * libgcc2.c (struct eh_context): Likewise.
1245 (new_eh_context): Likewise.
1246 (__get_eh_info): Lose redundant cast.
1247 (__get_dynamic_handler_chain): Likewise.
1248 (__get_saved_pc): Lose.
1249 Lose all old unwinder support code.
1251 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
1253 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
1255 * integrate.c (expand_inline_function): If the inline fn uses eh
1256 context, make sure that the current fn has one.
1257 * toplev.c (rest_of_compilation): Call emit_eh_context.
1258 * except.c (use_eh_context): New fn.
1259 (get_eh_context_once): New fn.
1260 (call_get_eh_context): New fn.
1261 (emit_eh_context): New fn.
1262 (get_eh_context): Call either get_eh_context_once or
1263 call_get_eh_context, depending on what we have.
1264 (get_dynamic_handler_chain): Call get_eh_context_once.
1265 * except.h: Prototypes for fns above.
1266 * optabs.c (get_eh_context_libfunc): Removed.
1267 (init_optabs): Don't initialize it.
1268 * expr.h (get_eh_context_libfunc): Removed.
1269 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
1270 * config/pa/pa.h (CPP_SPEC): Support for -threads.
1271 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
1272 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
1273 New multilib for -threads.
1274 * config/sparc/t-sol2: Added multilibs for -threads and
1275 made -pthreads alias to it.
1276 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
1277 Added -threads and -pthreads options.
1278 * libgcc-thr.h: New file.
1279 * libgcc2.c: (__get_cpp_eh_context): Removed.
1280 (struct cpp_eh_context): Removed.
1281 (struct eh_context): Replaced cpp_eh_context with generic language
1283 (__get_eh_info): New function.
1284 (__throw): Check eh_context::info.
1286 * libgcc2.c: Include libgcc-thr.h.
1287 (new_eh_context, __get_eh_context,
1288 eh_pthread_initialize, eh_context_initialize, eh_context_static,
1289 eh_context_specific, eh_context_free): New functions.
1290 (get_eh_context, eh_context_key): New variables.
1291 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
1292 get_eh_context to get the context.
1293 (longjmp): Move the declaration inside
1294 #ifdef DONT_USE_BUILTIN_SETJMP.
1295 * frame.c: Include libgcc-thr.h.
1296 (object_mutex): Mutex to protect the object list.
1297 (find_fde, __register_frame, __register_frame_table,
1298 __deregister_frame): Hold the lock while accessing objects.
1299 * except.h (get_eh_context): Declare.
1300 * except.c (current_function_ehc): Define.
1301 (current_function_dhc, current_function_dcc): Removed.
1302 (get_eh_context): New function.
1303 (get_dynamic_handler_chain): Use get_eh_context.
1304 (get_saved_pc_ref): Ditto.
1305 (get_dynamic_cleanup_chain): Removed references to
1306 current_function_dcc.
1307 (save_eh_status, restore_eh_status): Save and restore
1308 current_function_ehc instead.
1309 * optabs.c (get_eh_context_libfunc): New variable.
1310 (init_optabs): Initialize it.
1311 * expr.h: Declare get_eh_context_libfunc.
1312 * function.h (struct function): Replaced dhc and dcc with ehc.
1313 * except.c (get_saved_pc_ref): New functions.
1314 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
1315 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
1317 (end_eh_unwinder): Likewise.
1318 (init_eh): Remove initialization of eh_saved_pc.
1319 * optabs.c (get_saved_pc_libfunc): New variable.
1320 (init_optabs): Initialize it.
1321 * expr.h: Declare get_saved_pc_libfunc.
1322 * except.h (eh_saved_pc_rtx): Deleted.
1323 (get_saved_pc_ref): Declared.
1325 From Scott Snyder <snyder@d0sgif.fnal.gov>:
1326 * libgcc2.c (__get_saved_pc): New.
1327 (__eh_type, __eh_pc): Deleted.
1328 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
1329 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
1332 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
1334 * sparc/sol2.h: Use 64 bit multiply and divide functions in
1335 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
1338 * rtl.h (global_rtl): New variable, replacing separate variables for
1340 (const_int_rtx): Now array of rtx_def, not rtx.
1341 * emit-rtl.c: Update for new rtl data structures.
1342 * genattrtab.c: Define global_rtl.
1344 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
1346 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
1349 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
1351 * crtstuff.c (__do_global_ctors): Fix typo.
1353 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
1355 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1356 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1358 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
1360 * rs6000.h (FUNCTION_ARG_PADDING): Define.
1361 * rs6000.c (function_arg_padding): New function.
1363 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
1365 * m68k.c: Include tree.h only once.
1367 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1369 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
1371 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
1373 * Partially cleaned up prototyping code from HJ.
1374 * tree.h: Add many prototypes.
1375 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
1376 All references changed.
1377 * rtl.h: Protect from multiple inclusions. Add many prototypes.
1379 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
1381 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
1382 string functions like strlen.
1384 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
1386 * configure.in: Check for functions getrlimit and setrlimit.
1387 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1388 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1390 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
1392 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
1394 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
1396 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
1399 * alpha.c (override_options): Don't know about scheduling for EV6.
1400 * alpha.md (ev5 function units): Don't overload as ev6.
1402 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
1403 * alpha.md (define_attr type): Add mvi.
1404 (ev5_e0): Define sceduling parameters for it.
1405 (TARGET_MAX insns): Type is mvi not shift.
1407 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
1409 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
1411 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1413 * cstamp-h, auto-config.h: Delete.
1415 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
1417 * version.c: Bump for snapshot.
1419 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
1421 * cccp.c: Fix typo brought over in merge.
1423 * Merge in changes from gcc-2.8.
1425 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
1427 * m68k.c: Include tree.h for dwarf2out_cfi_label.
1429 * gcc.c (process_command): Do not take address of function fatal when
1430 calling lang_specific_driver.
1432 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
1434 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
1435 doesn't work with it yet, so set it to 0.
1436 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
1438 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1440 * cse.c (cse_insn): Check for invalid entries when taking references.
1442 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1444 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
1445 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
1446 * toplev.c (rest_of_compilation): Pass it. Remove code to
1447 save / clear / restore flag_unroll_{,all_}loops.
1449 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1451 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
1453 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
1455 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
1457 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
1459 * except.c (get_dynamic_handler_chain): Only make the call once per
1462 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
1464 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1466 * sh.c (final_prescan_insn): Use local label prefix
1467 when emitting .uses pseudo-ops.
1469 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1471 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
1472 * except.c: Lose outer_context_label_stack.
1473 (expand_eh_region_end): Rethrow from outer_context here.
1474 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
1475 (expand_internal_throw): Take no args.
1476 (expand_internal_throw_indirect): Lose.
1477 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
1478 (expand_start_all_catch): Start a rethrow region.
1479 (expand_end_all_catch): End it.
1480 (expand_rethrow): New fn.
1481 * except.h: Reflect above changes.
1482 * flow.c: Revert change of Nov 27.
1484 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
1486 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
1488 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1490 * except.c (expand_fixup_region_end): New fn.
1491 (expand_fixup_region_start): Likewise.
1492 (expand_eh_region_start_tree): Store cleanup into finalization here.
1493 * stmt.c (expand_cleanups): Use them to protect fixups.
1495 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
1497 * mips/mips.md (muldi3_r4000): Broaden the output template
1498 and attribute assignments to handle three operand dmult;
1499 rename to muldi3_internal2.
1500 (muldi3): Call the new muldi3_internal2 for R4000, and
1501 any GENERATE_MULT3 chip.
1503 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1505 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
1507 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
1509 * unroll.c (find_splittable_givs): Remove last change. Handle givs
1510 with a dest_reg that was created by loop.
1512 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
1514 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
1516 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
1518 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
1520 * configure.in: Fix NCR entries.
1522 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
1524 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
1525 nested exceptions correctly.
1527 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
1528 that was created by loop.
1530 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1532 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
1534 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
1536 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
1538 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
1539 (print_operand): Use SMALL_DATA_REG for the register involved in
1540 small data relocations.
1541 (print_operand_address): Ditto.
1543 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
1544 -dynamic linker is not used.
1546 * rs6000.md (call insns): For local calls, use @local suffix under
1547 System V. Don't use @plt under Solaris.
1549 * rs6000.c (output_function_profiler): Put label address in r0, and
1550 store LR in 4(sp) for System V/eabi.
1552 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
1553 byte boundary, and maintain stack backchain.
1555 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1557 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1558 fix_truncsfdi2): Change *.
1560 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
1562 * toplev.c (main): Complain about -gdwarfn.
1564 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
1566 * dwarfout.c (output_type): If finalizing, write out nested types
1567 of types we've already written.
1569 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
1571 (patches originally from Geoffrey Keating)
1572 * rs6000.c (function_arg): Excess floating point arguments don't
1573 go into GPR registers after exhausting FP registers under the
1575 (function_arg_partial_nregs): Ditto.
1577 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
1580 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
1582 * integrate.c (output_inline_function): Just unset DECL_INLINE.
1584 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
1586 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
1589 * libgcc2.c (__throw): Initialize HANDLER.
1591 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1593 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1594 fix_truncsfdi2): Change *X to ?*X.
1596 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
1598 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
1600 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
1602 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
1604 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
1606 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
1608 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
1610 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
1611 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
1614 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
1616 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
1617 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
1618 gas and not using the new HP assembler.
1620 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
1622 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
1623 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
1625 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
1627 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
1628 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
1631 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1633 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
1635 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1637 * except.h: Add outer_context_label_stack.
1638 * except.c: Likewise.
1639 (expand_start_all_catch): Push the outer_context for the try block
1640 onto outer_context_label_stack.
1641 (expand_end_all_catch): Use it and pop it.
1643 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
1645 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
1647 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
1649 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
1651 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
1653 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
1654 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1656 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
1658 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
1659 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
1660 __builtin_delete, and __builtin_vec_delete.
1662 * except.c (output_exception_table): Don't bother with
1665 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
1667 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
1668 is an in/out operand.
1669 (zero extended variants of stwm/stwm patterns): Similarly.
1671 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
1673 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
1675 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
1677 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
1678 (output_call_frame_info): Emit a \n after using it.
1680 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
1682 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
1684 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
1686 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
1687 (ASM_OUTPUT_DWARF_VALUE4): New macro.
1688 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
1690 (output_call_frame_info): Do not output forward label differences
1691 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
1692 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
1694 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1696 * sh.md (attribute "type"): Add nil.
1697 (movsi_ie): y/y alternative is type nil.
1698 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
1700 (movsf_ie+1): Delete.
1702 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
1704 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
1705 large_int, emit two insns instead of one splitable insn.
1706 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
1707 from cfa_temp_value, use cfa_offset. Add assert checking that
1710 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
1712 * cccp.c (deps_output): Properly quote file names for make.
1714 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
1716 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
1718 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
1720 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
1722 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
1724 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
1726 (cse_end_of_basic_block): Similarly.
1728 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
1730 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
1731 (SELECT_RTX_SECTION): Define.
1732 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
1734 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
1736 * Makefile.in (compare, compare-lean): Define $stage for each
1738 (gnucompare, gnucompare-lean): Likewise.
1740 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
1742 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
1744 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
1745 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1747 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
1749 * dwarfout.c (byte_size_attribute): Add local var upper_bound
1750 and add case to handle STRING_TYPE.
1751 * dwarfout.c (output_string_type_die): Fix code to generate
1752 correct string length attribute for fixed length strings.
1753 Still needs support for varying length strings.
1755 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
1757 * toplev.c (get_run_time): Do something sensible for cygwin32.
1759 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
1761 * expr.c (expand_builtin_setjmp): Set
1762 current_function_has_nonlocal_label.
1763 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
1764 call-saved registers across calls.
1766 * alpha.md (exception_receiver): Remove.
1767 (nonlocal_goto_receiver_osf): New
1768 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
1769 (nonlocal_goto_receiver): New, select _osf or _vms.
1771 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
1772 keep them from being propogated to the object file.
1773 (alpha_write_linkage): Likewise.
1774 * alpha.md (call_vms): Likewise.
1775 (call_value_vms): Likewise.
1776 (unnamed osf call insns): Likewise.
1778 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
1779 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1781 * alpha.c (call_operand): Any reg is valid for WinNT.
1782 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
1783 (anon nt calls): Add 'R' alternative.
1784 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
1785 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
1787 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
1789 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
1791 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
1792 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1793 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1795 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
1797 * reload1.c (new_spill_reg): Improve fixed or forbidden register
1798 spill error message.
1800 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1802 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
1803 use varargs.h. Wrap header with <>, not "".
1805 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
1807 * integrate.c (save_for_inline_copying): Add return value from
1810 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
1812 * fixincludes: Be a little more restrictive on what we will
1813 substitute to replace definitions of MAXINT for HPUX.
1815 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
1817 * dbxout.c (dbxout_symbol_location): Don't assume that variables
1818 whose address is the stack or argument pointers are indirect
1821 1997-11-13 Paul Eggert <eggert@twinsun.com>
1823 * cccp.c, cpplib.c (compare_defs):
1824 Don't complain about arg name respellings unless pedantic.
1825 * cpplib.c (compare_defs): Accept pfile as new arg.
1826 All callers changed.
1828 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1830 * fold-const.c (fold_truthop): Fix bug in last change.
1832 1997-11-13 Paul Eggert <eggert@twinsun.com>
1834 Fix some confusion with IEEE minus zero.
1836 * real.h (REAL_VALUES_IDENTICAL): New macro.
1838 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
1839 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
1841 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
1842 same tree structure as 0.0.
1844 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
1845 macro instead of doing it by hand.
1847 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
1849 * v850/lib1funcs.asm: Minor whitespace changes.
1850 * v850.c: Fix minor formatting problems in many places.
1851 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
1853 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
1855 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
1856 xplus1 when xplus0 is not a register.
1858 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
1860 * flow.c (find_basic_blocks): During marking phase, if we encounter
1861 an insn with a REG_LABEL note, make the target block live and
1862 create an edge from the insn to the target block. Do not make
1863 edges from all blocks to the target block.
1865 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
1867 * confiugre.in: Tweak NCR entries.
1868 * configure: Rebuilt.
1870 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
1872 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
1873 pick apart floating point values, instead of using CONST_DOUBLE_LOW
1874 and CONST_DOUBLE_HIGH.
1876 * rs6000.md (define_splits for DF constants): Use the appropriate
1877 REAL_VALUE_* interface to pick apart DF floating point constants in
1878 a machine independent fashion.
1880 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1882 * fold-const.c (fold_truthop): When changing a one-bit comparison
1883 against zero into a comparison against mask, do a proper sign
1886 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
1888 * except.c: Do not include "assert.h".
1889 (save_eh_status): Turn asserts into conditional aborts.
1890 (restore_eh_status, scan_region): Likewise.
1891 * dwarfout.c: Do not include "assert.h".
1892 (bit_offset_attribute): Turn asserts into conditional aborts.
1893 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
1894 (output_inlined_structure_type_die): Likewise.
1895 (output_inlined_union_type_die): Likewise
1896 (output_tagged_type_instantiation): Likewise.
1897 (dwarfout_file_scope_decl): Likewise.
1898 * dwarf2out.c: Do not include "assert.h"
1899 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
1900 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
1901 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
1902 (add_bit_size_attribute, scope_die_for): Likewise.
1903 (output_pending_types_for_scope): Likewise.
1904 (get_inlined_enumeration_type_die): Likewise.
1905 (get_inlined_structure_type_die): Likewise.
1906 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
1907 (gen_tagged_type_instantiation_die): Likewise.
1909 * flow.c (find_basic_blocks): Refine further to get a more correct
1910 cfg, especially in the presense of exception handling, computed
1911 gotos, and other non-trivial cases. Call abort if an inaccuracy
1912 is detected in the cfg.
1914 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1916 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
1918 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
1919 (skip_white_space): Use whitespace_cr.
1920 (check_newline): Handle whitespace more consistently.
1922 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
1924 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
1925 * i386/xm-cygwin32.h (POSIX): Define.
1927 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
1929 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
1930 is available elsewhere.
1932 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
1934 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
1935 what the instruction can handle.
1937 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
1939 * stmt.c (expand_decl_cleanup_no_eh): New fn.
1941 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
1943 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
1945 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
1946 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
1948 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
1950 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
1951 swap instruction order.
1953 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
1955 * fixinc.svr4 (__STDC__): Add another case.
1957 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1959 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
1960 addresses in the epilogue delay slot.
1962 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
1964 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
1965 in generated `specs' file.
1967 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
1969 * flags.h (flag_rerun_loop_opt): Declare.
1970 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
1971 * toplev.c (flag_rerum_loop_opt): Delete static.
1973 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1975 Bring over from FSF:
1977 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1979 * va-sh.h (__va_arg_sh1): Define.
1981 SH3E doesn't use any integer registers for subsequent arguments
1982 once a non-float value was passed in the stack.
1983 * sh.c (machine_dependent_reorg): If optimizing, put explicit
1984 alignment in front label for ADDR_DIFF_VEC.
1985 * sh.h (PASS_IN_REG_P): Fix SH3E case.
1986 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
1988 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1990 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
1993 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1995 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
1996 put an use_sfunc_addr before each sfunc.
1997 * sh.md (use_sfunc_addr, dummy_jump): New insns.
1998 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
2000 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2002 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
2004 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
2006 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
2009 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
2011 * alias.c (find_base_value): Only return the known base value for
2014 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
2016 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
2017 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
2019 (prologue_get_pc_and_set_got): New pattern.
2021 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
2023 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
2024 for SUBREG, just fall through.
2026 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
2028 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
2030 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
2032 * fixincludes: Fix "hypot" prototype in NeXT math.h.
2034 * Makefile.in (USE_ALLOCA): Always include alloca.o.
2035 (USE_HOST_ALLOCA): Likewise.
2037 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
2038 and LABEL_REFS fields.
2039 * rtl.h (LABEL_REFS): Update.
2041 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
2043 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
2044 sets i2dest. When calling distribute_notes for i3dest_killed, pass
2045 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
2048 * mips.md (insv, extzv, extv): Add change_address call.
2049 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
2051 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
2053 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
2055 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
2056 save_restore_insns if no FP and GP will be restored.
2058 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
2059 Convert CCmode to word_mode before calling GET_MODE_SIZE.
2061 * acconfig.h (HAVE_INTTYPES_H): Undef.
2062 * configure.in (inttypes.h): Check for conflicts between sys/types.h
2063 and inttypes.h, and verify that intmax_t is defined.
2064 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
2065 * config/mips/x-iris3: Likewise.
2067 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
2069 * alias.c (find_base_value): When copying arguments, return the
2070 tenative value for a hard register.
2072 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
2074 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
2075 (yylex): Record wide strings using target endianness, not host.
2077 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
2079 * mn10200.h (ASM_OUTPUT_BSS): Delete.
2080 (ASM_OUTPUT_ALIGNED_BSS): New macro
2081 * mn10300.h (ASM_OUTPUT_BSS): Delete.
2082 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2083 * v850.h (ASM_OUTPUT_BSS): Delete.
2084 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2086 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2088 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
2090 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
2092 * configure.in (sco5): Use cpio to install header files.
2094 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
2096 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
2098 * configure: Rebuild.
2100 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
2102 * i386/sco5.h: enable -gstabs once again.
2104 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
2106 * arm.c (output_move_double): Allocate 3 entries in otherops array.
2108 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
2110 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
2111 notes for sjlj exceptions too.
2112 (expand_eh_region_end): Similarly for EH_REGION_END notes.
2113 (exception_optimize): Optimize EH regions for sjlj exceptions too.
2114 * final.c (final_scan_insn): Don't output labels for EH REGION
2115 notes if doing sjlj exceptions.
2117 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
2119 * alias.c (init_alias_analysis): Handle -fno-alias-check when
2120 optimizing correctly.
2122 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
2123 or set current_function_calls_setjmp anymore.
2125 * flow.c (find_basic_blocks): If we delete the label for an
2126 exception handler, remove it from the EH label list and remove
2127 the EH_BEGIN/EH_END notes for that EH region.
2129 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
2131 * flow.c (find_basic_blocks): Generate correct flow control
2132 information when exception handling notes are present.
2134 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
2136 * dwarf2out.c (output_call_frame_info): Fix length argument
2137 to ASM_OUTPUT_ASCII.
2138 (output_die, output_pubnames, output_line_info): Likewise.
2140 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
2142 * version.c: Bump for snapshot.
2144 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
2145 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
2146 flag_debug_asm is on.
2147 (output_die, output_pubnames, output_line_info): Likewise.
2149 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
2150 and static_chain_rtx into the potential base values array if
2153 * alias.c (new_reg_base_value): New array of potential base values.
2154 (unique_id): Now file scoped static.
2155 (find_base_value, case REG): Return the value in reg_base_value
2156 array for the REG if it exists. Else, return the value from
2157 new_reg_base_value if copying args and REG is a hard register.
2158 (find_base_value, case PLUS): If either operand of the PLUS is
2159 a REG, try to get its base value. Handle base + index and
2161 (record_set): Use new_reg_base_value instead of reg_base_value.
2162 (init_alias_analysis): Allocate space for new_reg_base_value too.
2163 Rework code to iterate over the insns propagating base value
2164 information until nothing changes.
2166 * global.c (global_alloc): Free the conflict matrix after
2167 reload has finished.
2169 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
2171 * libgcc2.c (L_eh): Define __eh_pc.
2172 Replace __eh_type with generic pointer __eh_info.
2174 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
2176 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
2177 use copy_to_reg if address is not a general_operand.
2179 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2181 * profile.c (output_func_start_profiler): Clear flag_inline_functions
2182 for the duration of the call to rest_of_compilation.
2184 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
2186 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
2188 (sparc*-*-*): Recognize --with-cpu=v9.
2189 * sparc/elf.h: New file.
2190 * sparc/t-elf: New file.
2192 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
2194 * mn10300.c (const_8bit_operand): New function.
2195 (mask_ok_for_mem_btst): New funtion.
2196 * mn10300.md (btst patterns with mem operands): Use new functions
2197 to avoid creating btst instructions with invalid operands.
2199 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
2201 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
2202 are running on PowerPC Linux.
2204 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
2206 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
2207 if not previously defined.
2209 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
2211 * function.c (assign_parms): Correct mode of stack_parm if
2212 entry_parm underwent a mode conversion.
2214 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
2216 * global.c (global_alloc): Use xmalloc instead of alloca for
2217 CONFLICTS, since max_allocno * allocno_row_words alone can be more
2218 than 2.5Mb sometimes.
2220 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
2222 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
2223 DEST for the spill, adjust mode of SRC to compensate.
2225 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
2227 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
2228 since any_memory_operand() allows pseudos during reload.
2229 (reload_inhi, reload_outqi, reload_outhi): Likewise.
2231 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
2233 * m68k.md (btst patterns): Add 5200 support.
2235 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2237 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
2238 optimizations, look inside dividend to determine if the expression
2239 can be simplified by using EXACT_DIV_EXPR.
2241 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
2244 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
2246 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
2248 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
2250 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
2252 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
2255 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
2257 * alpha.md (movqi, movhi): Make sure new insns created during reload
2258 won't need reloading themselves.
2259 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
2261 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
2263 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
2265 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
2267 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
2268 Patch from Klaus Kaempf <kkaempf@progis.de>.
2270 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
2272 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
2273 to an element in a constant string.
2275 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
2277 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
2278 bit PC-relative offset. The exception range table pointer is now in
2280 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
2281 (count_fdes, add_fdes, get_cie): Adjust.
2282 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
2285 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
2287 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
2289 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
2290 like stack_pointer_rtx.
2292 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
2294 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
2295 targets using "$@" to provide support for similar but not identical
2296 targets without having to duplicate code.
2297 (bootstrap4): New goal.
2299 * Makefile.in (compare, compare-lean, compare3): Combined to one
2300 ruleset determining actions to be performed via $@.
2301 (compare4, compare4-lean): New targets.
2302 (gnucompare, gnucompare3): Combined to one ruleset determining
2303 actions to be performed via $@. Also, note which files failed
2304 the comparison test in .bad_compare.
2305 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
2307 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2309 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
2310 if the dividend is a multiple of the divisor.
2312 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
2314 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
2316 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
2319 * alias.c (true_dependence): Fix typo.
2321 * toplev.c (flag_rerun_loop_opt): New variable.
2322 (f_options): Handle -frerun-loop-opt.
2323 (rest_of_compilation): If -frerun-loop-opt, then run the loop
2325 (main): Enable -frerun-loop-opt by default for -O2 or greater.
2327 * loop.c (simplify_giv_expr): Adding two invariants results
2330 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
2332 * expr.c (get_inner_reference): Remove the array bias after
2333 converting the index to Pmode.
2335 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
2337 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
2338 (TARGET_MULT_BUG): Define.
2339 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
2340 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
2342 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
2344 * mn10200.c (indirect_memory_operand): Delete unused function.
2345 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
2346 * mn10200.md (bset, bclr insns): Handle output in a reg too.
2348 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
2350 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
2351 the callee's ldgp, we must do it ourselves, and we use the jsr tag
2352 for more than scheduling.
2354 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
2356 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
2358 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
2360 * mn10300.c (symbolic_operand, legitimize_address): New functions.
2361 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
2362 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
2364 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
2366 * version.c: Bump for snapshot.
2368 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2370 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
2373 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
2375 * toplev.c (flag_exceptions): Default value is 2.
2376 (compile_file): If flag_exceptions still has the value 2, then
2379 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
2380 (rs6000_save_machine_status): Save pic_offset_table_rtx.
2381 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
2383 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
2386 * rs6000.md (*movsi_got_internal_mem): New pattern.
2387 (*movsi_got_internal_mem splitter): New define_split.
2389 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
2391 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
2393 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2395 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
2396 only need to save LR.
2398 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
2400 * mn10300.md (movqi, movhi): Avoid using address registers as
2401 destinations unless absolutely necessary.
2403 * mn10200.c (expand_prologue): Fix typo.
2405 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
2407 * mn10200.md (neghi2): Provide an alternative which works if
2408 the input and output register are the same.
2410 * mn10300.c (print_operand): Handle 'S'.
2411 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
2412 shift amount in last alternative
2414 * mn10300.c (expand_epilogue): Rework to handle register restores
2415 in "ret" and "retf" instructions correctly.
2417 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
2419 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
2420 extzv for memory operands.
2422 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
2423 redundant conditional moves to single operand.
2425 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
2427 * v850.h: Move define of __v850__ from CPP_PREDEFINES
2430 * xm-v850.h: Use __v850 rather than __v850__ to
2433 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
2435 * mips/mips.c (compute_frame_size): Not a leaf function if
2438 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2440 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
2442 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
2444 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
2445 (DEFAULT_ARCH32_P): New macro.
2446 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
2447 (enum cmodel): Declare.
2448 (sparc_cmodel_string,sparc_cmodel): Declare.
2449 (SPARC_DEFAULT_CMODEL): Provide default.
2450 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
2451 (TARGET_FULLANY): Deleted.
2452 (TARGET_CM_MEDMID): New macro.
2453 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
2454 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2455 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
2456 (CPP_SPEC): Rewrite.
2457 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2458 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
2459 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2460 (ASM_SPEC): Add %(asm_arch).
2461 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
2462 Rename asm_default to asm_cpu_default.
2463 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
2464 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
2465 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
2466 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
2467 (MASK_INT64,MASK_LONG64): Delete.
2468 (MASK_ARCH64): Renamed to MASK_64BIT.
2469 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
2470 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
2471 (TARGET_SWITCHES): Always provide 64 bit options.
2472 (ARCH64_SWITCHES): Delete.
2473 (TARGET_OPTIONS): New option -mcmodel=.
2474 (INT_TYPE_SIZE): Always 32.
2475 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
2476 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
2477 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
2478 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
2479 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
2481 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2482 * sparc/linux.h: Likewise.
2483 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
2484 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2485 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
2486 (SPARC_DEFAULT_CMODEL): Define.
2487 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2488 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2489 (LONG_DOUBLE_TYPE_SIZE): Define.
2490 (ASM_SPEC): Add %(asm_arch).
2491 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2492 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2493 (TARGET_CPU_DEFAULT): Add ultrasparc case.
2494 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
2495 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
2496 (SPARC_DEFAULT_CMODEL): Define.
2497 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
2498 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
2499 MASK_LONG64, MASK_MEDANY.
2500 (SPARC_DEFAULT_CMODEL): Define.
2501 (CPP_PREDEFINES): Delete.
2502 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2503 (ASM_SPEC): Add %(asm_arch).
2504 (LONG_DOUBLE_TYPE_SIZE): Define.
2505 (DWARF2_DEBUGGING_INFO): Define.
2506 * sparc/splet.h (CPP_SPEC): Delete.
2507 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2508 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
2509 (BLOCK_PROFILER): Likewise.
2510 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
2511 (sparc_override_options): Handle code model selection.
2512 (sparc_init_expanders): Renamed from sparc64_init_expanders.
2513 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
2514 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
2515 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
2516 (sethi_di_fullany): Delete.
2518 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
2519 Jeff Law <law@cygnus.com>
2520 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2522 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
2523 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
2524 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
2525 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
2526 * alpha/alpha.md (arg_home): Likewise.
2528 * alpha/alpha.c (vmskrunch): Delete
2529 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
2530 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
2531 truncate to 64 characters.
2533 * make-l2.com: Support openVMS/Alpha.
2535 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
2537 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2539 * longlong.h (count_leading_zeros): Add missing casts to USItype.
2541 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
2543 * i386/bsd386.h (ASM_COMMENT_START): Define.
2545 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2547 * tree.c (restore_tree_status): Also free up temporary storage
2548 when we finish a toplevel function.
2549 (dump_tree_statistics): Print stats for backend obstacks.
2551 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
2553 * expr.c (use_group_regs): Don't call use_reg for MEMs.
2555 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
2557 * libgcc2.c (__throw): Don't copy the return address.
2558 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
2560 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
2561 * toplev.c (main): Initialize exceptions_via_longjmp.
2563 * tree.c: Add extra_inline_obstacks.
2564 (save_tree_status): Use it.
2565 (restore_tree_status): If this is a toplevel inline obstack and we
2566 didn't want to save anything on it, recycle it.
2567 (print_inline_obstack_statistics): New fn.
2568 * function.c (pop_function_context_from): Pass context to
2569 restore_tree_status.
2570 * obstack.h (obstack_empty_p): New macro.
2572 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
2574 * i386/freebsd.h (ASM_COMMENT_START): Fix.
2576 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
2578 * v850.c (ep_memory_offset): New function.
2579 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
2581 * v850.h (CONST_OK_FOR_*): Add and correct comments.
2582 (CONSTANT_ADDRESS_P): Add comment.
2583 (EXTRA_CONSTRAINT): Define 'U'.
2584 * v850.md: Add comments on bit field instructions.
2585 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
2586 (lshrsi3): Use N not J constraint.
2588 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
2590 * v850.c (reg_or_0_operand): Call register_operand.
2591 (reg_or_int5_operand): Likewise.
2592 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
2593 (TARGET_SWITCHES): Add "big-switch".
2594 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
2595 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
2596 (CASE_DROPS_THROUGH): Comment out.
2597 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
2598 * v850.md (cmpsi): Delete compare mode.
2599 (casesi): New pattern.
2601 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
2602 * v850.md (ashlsi3): Use SImode not QImode for shift count.
2603 (lshrsi3): Likewise.
2605 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
2606 unreachable switch statement after 'b' support. Remove "b" from
2607 strings for 'b' support.
2608 * v850.md (branch_normal, branch_invert): Change %b to b%b.
2610 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
2612 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
2613 empty line if @inhibit_libc@ is empty.
2615 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
2617 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
2618 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
2619 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2620 (DWARF2_UNWIND_INFO): Let this track object file format.
2621 (EXTRA_SECTIONS): Add in_eh.
2622 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
2623 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2625 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
2627 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
2628 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
2630 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
2631 (output_double_int): Output DI mode values correctly when
2632 HOST_BITS_PER_WIDE_INT is 64.
2633 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
2634 fmovd so it works if a quad float ends up in one of the upper 32
2636 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
2637 necessary for PIC support on sparc64.
2639 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
2641 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
2642 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
2643 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
2644 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
2645 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
2646 (SPARC_FP_ARG_FIRST): New macro.
2647 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
2648 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
2649 (NPARM_REGS): There are 32 fp argument registers now.
2650 (FUNCTION_ARG_REGNO_P): Likewise.
2651 (FIRST_PARM_OFFSET): Update to new v9 abi.
2652 (REG_PARM_STACK_SPACE): Define for arch64.
2653 (enum sparc_arg_class): Delete.
2654 (sparc_arg_count,sparc_n_named_args): Delete.
2655 (struct sparc_args): Redefine and use for arch32 as well as arch64.
2656 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
2657 (FUNCTION_ARG_ADVANCE): Rewrite.
2658 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
2659 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
2660 (FUNCTION_ARG_CALLEE_COPIES): Delete.
2661 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
2662 (STRICT_ARGUMENT_NAMING): Define.
2663 (doublemove_string): Declare.
2664 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
2665 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
2666 (doublemove_string): New function.
2667 (output_move_quad): Clean up some of the arch64 support.
2668 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
2669 Don't add 8 bytes of reserved space if arch64.
2670 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
2671 (init_cumulative_args): New function.
2672 (function_arg_slotno): New static function.
2673 (function_arg,function_arg_partial_nregs): New functions.
2674 (function_arg_{pass_by_reference,advance}): New functions.
2675 (function_arg_padding): New function.
2676 * ginclude/va-sparc.h: Rewrite v9 support.
2678 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2680 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
2681 for hard regs to determine base and index registers.
2683 * reload.c (debug_reload_to_stream): New function. Specify stream
2684 into which to write debug info.
2685 (debug_reload): Modify to call debug_reload_to_stream with stderr.
2687 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
2689 * combine.c (can_combine_p): Don't combine with an asm whose
2690 output is a hard register.
2692 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
2694 * c-decl.c (start_struct): Ensure that structs with forward
2695 declarations are in fact packed when -fpack-struct is given.
2697 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
2698 we are packing a structure. This allows a structure with only
2699 bytes to be aligned on a byte boundary and have no padding on a
2702 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2704 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
2706 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
2708 * alpha.c (alpha_return_addr_rtx): New variable.
2709 (alpha_save_machine_status): New; save it.
2710 (alpha_restore_machine_status): New; restore it.
2711 (alpha_init_expanders): New; clear it.
2712 (alpha_return_addr): New; set it.
2713 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
2714 is overly conservative, so search the insns explicitly.
2715 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
2716 (alpha_sa_size [VMS && !VMS]): Likewise.
2717 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
2718 (INIT_EXPANDERS): New definition.
2720 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
2721 (output_prolog [!VMS]): Use them.
2723 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
2724 (alpha_does_function_need_gp): ... a new function. Refine the
2725 CALL_INSN test to just TYPE_JSR.
2726 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
2728 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
2730 * version.c: Bump for snapshot.
2732 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2734 * pa.c (move_operand): Respect -mdisable-indexing.
2735 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
2737 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
2739 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
2741 (umulsidi3,umulsi3_highpart): Ditto.
2742 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
2744 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
2746 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
2747 (alpha_handle_trap_shadows): ... a new function. Handle the entire
2748 function in one go. Emit RTL for trapb, instead of printf directly.
2749 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
2750 (trap_pending): Kill global variable.
2751 (output_epilog): Don't call final_prescan_insn.
2752 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
2753 * alpha.h (FINAL_PRESCAN_INSN): Remove.
2754 (MACHINE_DEPENENT_REORG): Define.
2755 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
2758 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
2760 Tune Haifa scheduler for Alpha:
2761 * alpha.h (ISSUE_RATE): Define.
2762 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
2763 EV4 adjustments to EV5.
2764 * alpha.md: Remove all scaling from function unit delays. Rework
2765 EV5 function units to match the CPU.
2766 (umuldi3_highpart): EV5 added the IMULH insn class.
2768 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
2770 * pa.c (following_call): Fail if the CALL_INSN is an indirect
2773 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
2775 * cplus-dem.c (demangle_signature): Don't look for return types on
2776 constructors. Handle member template constructors.
2778 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
2780 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
2781 * tree.h: Declare them.
2783 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
2785 * configure.in: Handle --with-newlib.
2786 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
2788 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
2790 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
2792 * config/ptx4.h: Fix typo.
2794 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
2796 * version.c: Bump for snapshot.
2798 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
2800 * aclocal.m4: Substitute INSTALL.
2801 * configure: Re-built.
2803 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
2805 * integrate.c (save_for_inline_copying): Avoid undefined pointer
2807 (expand_inline_function): Likewise.
2809 * dwarf2out.c (output_call_frame_info): Reinstate last change
2810 using flag_debug_asm check instead of flag_verbose_asm.
2812 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
2814 * dwarf2out.c (output_call_frame_info): Remove last change.
2816 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2818 * frame.c (__frame_state_for): Execute the FDE insns until the
2819 current pc value is strictly bigger than the target pc value.
2821 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
2823 * regclass.c (init_reg_modes): If we can't find a mode for the
2824 register, use the previous one.
2826 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
2828 * haifa-sched.c (print_block_visualization): Call fprintf directly,
2829 don't sprintf through an alloca'ed buffer.
2831 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
2833 * reload.c (decompose): Always initialize val.base.
2835 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2837 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
2838 instead of aborting.
2839 * dwarf2out.c (output_call_frame_info): Call app_enable and
2840 app_disable to let GNU as accept the generated comments.
2842 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
2844 * tree.h (get_file_function_name): Add declaration.
2845 * dwarf2out.c (output_call_frame_info): No need to cast
2846 get_file_function_name call anymore.
2847 * profile.c (toplevel): Remove get_file_function_name
2849 * c-lang.c (finish_file): Ditto.
2851 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
2853 * Makefile.in (program_transform_name): Let autoconf substitute
2856 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
2858 * haifa-sched.c (schedule_block): If the first real insn in a
2859 block has any special notes attached to it, remove them.
2861 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
2863 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
2865 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2867 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
2869 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
2871 * Makefile.in (check-g77): New test target.
2872 (CHECK-TARGETS): Add check-g77.
2874 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
2876 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
2878 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
2880 * flow.c (print_rtl_with_bb): Cast alloca return value for
2883 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
2885 * i386.h (RETURN_ADDR_RTX): New definition that works for
2886 __builtin_return_address(0) and -fomit-frame-pointer.
2888 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
2890 Bring over from FSF.
2891 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
2893 * mips.c (function_arg): Handle passing a struct
2894 containing a double in a DFmode register without the PARALLEL.
2896 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
2898 * pexecute.c: Use spawn if __CYGWIN32__.
2900 * pexecute.c: Include "config.h" first, as per autoconf manual
2901 (from Paul Eggert <eggert@twinsun.com>).
2903 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2905 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
2906 optimisation for f/expr.o and f/stb.o.
2908 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
2910 * cse.c (this_insn_cc0_mode): Initialize.
2912 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
2914 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
2916 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
2918 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
2920 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
2921 that pair will dual-issue on the 21164 and plus+beq won't.
2922 (bne): Likewise for cmpeq+beq.
2924 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
2926 * except.c (find_exception_handler_labels): Correct argument to free.
2928 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
2930 * except.c (find_exception_handler_labels): Free LABELS when we're
2933 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
2935 * version.c: Bump for snapshot.
2937 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
2939 * flow.c (find_basic_blocks): Mark calls as potentially jumping
2942 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
2944 * configure.in: Substitute for "install" too.
2945 * configure: Rebuilt.
2947 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
2949 * Makefile.in (bootstrap-lean, compare-lean): New targets.
2951 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
2953 * alias.c (base_alias_check): Two symbols can conflict if they
2954 are accessed via AND.
2955 (memrefs_conflict_p): Likewise.
2957 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
2958 after flushing argument registers to the stack.
2960 * Makefile.in (mostlyclean): Remove .regmove files.
2962 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2964 * libgcc2.c (__throw): Fix thinko.
2966 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
2968 * cplus-dem.c (demangle_template): Add new parameter. Handle new
2969 template-function mangling.
2970 (consume_count_with_underscores): New function.
2971 (demangle_signature): Handle new name-mangling scheme.
2973 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2975 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
2978 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
2980 * frame.c: Remove last change.
2981 * dwarf2.h: Remove last change.
2982 * tree.h: Add declarations of DWARF2 unwind info support
2985 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2987 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
2988 * tree.h (built_in_function): Likewise.
2989 * expr.c (expand_builtin): Likewise.
2990 * except.h: Likewise.
2991 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
2992 * libgcc2.c (copy_reg): New fn.
2995 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
2997 * c-typeck.c (build_binary_op): Warn about comparing signed vs
2998 unsigned if -W is specified and -Wno-sign-compare is not.
2999 * c-decl.c (warn_sign_compare): Initialize to -1.
3000 (c_decode_option): -Wall no longer implies -Wsign-compare.
3002 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3004 * frame.c: Include gansidecl.h for PROTO.
3005 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
3006 defined. Don't declare dwarf2out_cfi_label here.
3007 * dwarf2.h: Add declarations of DWARF2 unwind info support
3009 * m68k.c: Include dwarf2.h.
3010 (output_function_prologue): Add dwarf2 support.
3011 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
3012 (INCOMING_FRAME_SP_OFFSET): Likewise.
3014 * integrate.c (expand_inline_function): Make sure there is at
3015 least one insn that can be used as an insertion point.
3017 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3019 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
3021 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
3023 * version.c: Bump for snapshot.
3025 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
3027 Bring over from FSF.
3029 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
3031 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
3032 (get_pc_via_rdpc): Renamed from get_pc_sp64.
3033 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
3035 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
3037 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
3038 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
3040 (sparc_align_{loops,jumps,funcs}_string): Declare.
3041 (sparc_align_{loops,jumps,funcs}): Declare.
3042 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
3043 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
3044 (STACK_BIAS): Define.
3045 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
3047 (SPARC_SETHI_P): New macro.
3048 (CONST_OK_FOR_LETTER_P): Use it.
3049 (ASM_OUTPUT_ALIGN_CODE): Define.
3050 (ASM_OUTPUT_LOOP_ALIGN): Define.
3051 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
3052 (sparc_align_{loops,jumps,funcs}): New globals.
3053 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
3055 (move_operand): Use SPARC_SETHI_P.
3056 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
3058 (arith11_double_operand): Likewise.
3059 (arith10_double_operand): Likewise.
3060 (finalize_pic): Finish sparc64 support.
3061 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
3062 64 bit constants if able.
3063 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
3064 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
3066 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
3067 (get_pc_sp32): Use for sparc64 as well.
3068 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
3069 (sethi_di_sp64_const): Likewise.
3070 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
3071 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
3072 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
3074 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
3076 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
3077 * sparc/linux.h (COMMENT_BEGIN): Likewise.
3078 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
3080 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
3082 Add sparc64 linux support.
3083 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
3084 to xm_file list on 32-bit sparc-linux.
3085 * sparc/xm-sp64.h: New file.
3086 * sparc/linux64.h: New file.
3087 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
3088 Don't include xm-sparc.h.
3089 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
3090 * glimits.h (LONG_MAX): Handle sparc64.
3092 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
3094 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
3095 * sparc.h (ASM_COMMENT_START): Define.
3096 * sparc.c (output_function_prologue): Use it.
3097 (sparc_flat_output_function_{epi,pro}logue): Likewise.
3099 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
3101 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
3102 use sparc.h's copies.
3103 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
3106 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3108 * sparc.c (dwarf2out_cfi_label): Add declaration.
3109 (save_regs, output_function_prologue): Remove cast for it.
3110 (sparc_flat_{save_restore,output_function_prologue): Likewise.
3111 ({save,restore}_regs): No longer inline.
3113 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3115 * fold-const.c (make_range): Correctly handle cases of converting
3116 from unsigned to signed type.
3118 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3120 * fold-const.c (merge_ranges): Make sure that if one range is subset
3121 of another, it will always be the second range. Correct (+,-) case to
3124 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3126 * final.c (final_end_function): Also do dwarf2 thing if
3127 DWARF2_DEBUGGING_INFO.
3128 (final_start_function): Likewise.
3130 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
3132 * expmed.c (expand_divmod): If compute_mode is not the same as
3133 mode, handle the case where convert_modes() causes op1 to no
3134 longer be a CONST_INT.
3136 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
3137 note holding get_jump_flags() calculation to all JUMP_INSNs.
3138 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
3139 * rtl.c (reg_note_name): Add new note types.
3141 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
3143 * rtlanal.c (computed_jump_p): Fix typo in last change.
3145 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3147 * loop.c (indirect_jump_in_function_p): Return 0
3150 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
3152 * rs6000/xm-rs6000.h: Fix thinko in last change.
3153 * rs6000/xm-sysv4.h: Likewise.
3155 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
3157 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
3159 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
3161 * reg-stack.c (find_blocks): Fix thinko in last change.
3163 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3165 * m68k.c (output_function_prologue): Add dwarf2 support.
3167 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
3168 INCOMING_FRAME_SP_OFFSET): New definitions.
3170 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3172 * combine.c (try_combine): Use NULL_RTX instead of '0' where
3173 appropriate in calls to gen_rtx().
3174 * cse.c (cse_main): Likewise.
3175 * emit-rtl.c (gen_label_rtx): Likewise.
3176 * expr.c (init_expr_once): Likewise.
3177 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
3178 sched_analyze, init_rgn_data_dependences,
3179 compute_block_backward_dependences): Likewise.
3180 * sched.c (schedule_insns): Likewise.
3181 * varasm.c (immed_double_const): Likewise.
3183 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
3184 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
3186 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
3188 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
3189 (MULTILIB_DEFAULTS): Define.
3190 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
3191 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
3192 (LIBGCC_SPEC): Likewise.
3193 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
3194 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
3195 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
3196 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
3197 (EXTRA_PARTS, TAROUTOPTS): Delete.
3198 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
3199 (MULTILIB_OPTIONS): Define.
3200 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
3201 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
3203 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
3205 * version.c: Bump for snapshot.
3207 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
3209 * loop.c (loop_number): Delete function. Change all references
3210 to use uid_loop_num array.
3211 * loop.h (loop_number): Delete declaration.
3212 * unroll.c (unroll_loop): Change "loop_number" references to
3213 use uid_loop_num instead.
3215 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
3217 (loop_unroll_iter): Remove unused variable and all references.
3218 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
3219 (insert_bct): Fix minor formatting problems.
3220 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
3221 (loop_unroll_iter): Removed unused decl.
3222 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
3223 Always record the unrolling factor.
3225 * cse.c (simplify_relational_operation): Set h0u just like h0s.
3226 Similarly for h1u and h1s.
3228 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
3229 (find_basic_blocks): Use computed_jump_p to determine if a
3230 particular JUMP_INSN is a computed jump.
3231 * reg-stack.c (find_blocks): Use computed_jump_p to determine
3232 if a particular JUMP_INSN is a computed jump.
3233 * rtlanal.c (jmp_uses_reg_or_mem): New function.
3234 (computed_jump_p): Likewise.
3235 * rtl.h (computed_jump_p): Declare.
3236 * genattrtab.c (pc_rtx): Define and initialize.
3237 * loop.c (loop_optimize): Always determine if the current
3238 function has a computed jump.
3239 (indirect_jump_in_function_p): Use computed_jump_p to determine
3240 if a particular JUMP_INSN is a computed jump.
3242 * loop.c (fix_bct_param): Delete unused function.
3243 (check_bct_param): Likewise.
3245 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3247 * frame.c (__deregister_frame): Check properly for initialized object.
3249 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3251 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
3253 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3255 * jump.c (thread_jumps): check can_reverse_comparison_p before
3256 threading a reversed-condition jump.
3258 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
3259 * haifa-sched.c (update_flow_info): Likewise.
3261 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
3263 * Makefile.in (BOOT_CFLAGS): Use -O2.
3265 * configure.in (strtoul, bsearch): Have autoconf check for these
3267 * configure, config.in: Rebuilt.
3269 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
3270 * mips/mips.h (alloca): Likewise.
3271 * rs6000/xm-rs6000.h (alloca): Likewise.
3272 * rs6000/xm-sysv4.h: Likewise.
3274 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
3276 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
3277 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
3278 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
3280 * except.c (end_eh_unwinder): Subtract 1 from return address.
3281 * libgcc2.c (__throw): Likewise.
3282 (find_exception_handler): Don't change PC here. Compare end with >.
3284 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
3286 * v850.c (compute_register_save_size): Correct register
3288 * v850.md (save_interrupt, return_interrupt): Correct
3290 * v850/lib1funcs.asm (save_interrupt): Correct register number.
3291 (return_interrupt): Use stack pointer, not element pointer.
3293 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
3295 * configure.in, configure: Make sure to create the stage* and include
3296 symbolic links in each subdirectory.
3298 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
3300 * pa.md (reload_peepholes): Don't allow addresses with side
3301 effects for the memory operand.
3303 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3305 * libgcc2.c (find_exception_handler): Subtract one from our PC when
3306 looking for a handler, to avoid hitting the beginning of the next
3309 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
3311 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
3313 * mips/abi64.h (LONG_MAX_SPEC): Define.
3314 * mips.h (LONG_MAX_SPEC): Define.
3315 (CPP_SPEC): Include long_max_spec.
3316 (EXTRA_SPECS): Include long_max_spec.
3318 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
3320 * v850.c (construct_save_jarl): Fix thinko in last change.
3322 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
3324 * version.c: Bump for snapshot.
3326 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3328 * libgcc2.c (find_exception_handler): Not found is -1.
3330 * integrate.c (expand_inline_function): Move expand_start_bindings
3331 after expanding the arguments.
3333 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
3335 * expr.c (expand_expr): Remove previous incorrect change.
3336 If target and slot has no DECL_RTL, then call mark_addressable
3337 again for the slot after we give it RTL.
3339 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
3341 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3342 again for the slot after we give it RTL.
3344 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
3346 * v850.c (register_is_ok_for_epilogue,
3347 pattern_is_ok_for_epilogue, construct_restore_jr,
3348 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
3350 * v850.h (pattern_is_ok_for_prologue,
3351 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
3354 * v850.md: Replace prologue and epilogue patterns with a
3355 match_parallel pattern.
3357 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
3359 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
3360 * configure.in: Use EGCS_PROG_INSTALL.
3362 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
3364 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
3365 extern inline function.
3367 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
3369 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
3370 (concat_loc_descriptor): New function.
3371 (loc_descriptor): Call it.
3372 (add_AT_location_description): Also elide the descriptor if both
3373 halves of a CONCAT are pseudos.
3374 (add_location_or_const_value_attribute): Recognize CONCAT too.
3376 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
3378 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
3380 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
3381 out-or-range reg_offset.
3382 (output_epilog): Likewise.
3384 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
3386 * cse.c (simplify_relational_operation): If MODE specifies a
3387 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
3388 is derived from the sign bit of the low word.
3390 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3392 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
3394 * dwarf2.h: Add DW_CFA_GNU_args_size.
3395 * frame.c (execute_cfa_insn): Likewise.
3396 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
3397 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
3398 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
3399 insn, hand it off to dwarf2out_stack_adjust.
3400 (dwarf2out_begin_prologue): Initialize args_size.
3401 * frame.h (struct frame_state): Add args_size.
3402 * libgcc2.c (__throw): Use args_size.
3403 * final.c (final_scan_insn): If we push args, hand off all insns
3404 to dwarf2out_frame_debug.
3405 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
3407 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
3408 Handle epilogue restore of SP from FP.
3409 * emit-rtl.c (gen_sequence): Still generate a sequence if the
3410 lone insn has RTX_FRAME_RELATED_P set.
3412 * frame.c (extract_cie_info): Handle "e" augmentation.
3413 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
3414 absence of UNALIGNED_*_ASM_OP.
3415 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
3416 (output_call_frame_info): Use "e" instead of "z" for augmentation.
3417 Don't emit augmentation fields length.
3418 (dwarf2out_do_frame): Move outside of #ifdefs.
3419 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
3422 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
3423 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
3424 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
3425 * sparc/sun4gas.h: New file.
3426 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
3428 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
3429 __register_frame_table and __deregister_frame.
3431 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
3433 * except.c (find_exception_handler_labels): Use xmalloc instead of
3434 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
3437 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
3439 * Makefile.in: Various changes to build info files
3440 in the object tree rather than the source tree.
3442 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
3444 * fixinc.math: New file to fix math.h on some systems.
3445 * configure.in (freebsd, netbsd): Use fixinc.math on these
3447 * configure: Rebuilt.
3449 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
3451 * regmove.c (regmove_optimize): If we end up moving the
3452 original insn due to lifetime overlaps, make sure to move
3455 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
3457 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
3459 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
3461 * haifa-sched.c (add_branch_dependences): Make each insn in
3462 a SCHED_GROUP_P block explicitly depend on the previous insn.
3464 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3466 * except.h: Prototype dwarf2 hooks.
3469 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
3471 * configure.in (native_prefix): Delete.
3472 (mips-dec-netbsd): Don't set prefix.
3473 (*linux*): Don't set prefix.
3475 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
3477 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
3478 defined. If not defined, include <sys/varargs.h> if
3479 HAVE_SYS_VARARGS_H is defined.
3480 * configure.in: Test for varargs.h and sys/varargs.h.
3481 * configure: Regenerate with autoconf.
3482 * config.in: Regenerate with autoheader.
3484 * cpplib.c (quote_string): Cast first arg of sprintf call
3485 from "unsigned char *" to "char *".
3486 (output_line_command): Ditto.
3487 (macroexpand): Ditto.
3488 (do_line): Cast atoi arg from "unsigned char *" to "char *".
3490 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
3492 * version.c: Bump for snapshot.
3494 * Makefile.in (compare): Exit with nonzero status if there
3495 are comparison failures. Note which files failed the
3496 comparison test in .bad_compare.
3498 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3500 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
3502 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
3504 * Makefile.in (LN, LN_S): New macros, use where appropriate.
3505 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
3506 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
3507 * configure: Regenerated.
3509 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
3511 * loop.c (strength_reduce): Fix typo.
3513 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
3515 * m88k/m88k.c (struct option): Rename to struct options.
3516 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
3517 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
3518 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
3519 __DOLPHIN__ or sysV88.
3521 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
3523 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
3526 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
3528 * config.sub: Accept 'amigados' for backward compatability.
3530 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3532 * Makefile.in (testsuite/site.exp): New target.
3533 (check-gcc, check-g++): Depend on testsuite/site.exp.
3534 Don't stop for failure.
3536 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
3538 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
3539 if DWARF2_UNWIND_INFO.
3541 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
3543 Add support for exception handling using DWARF 2 frame unwind info.
3544 Currently works on SPARC and MIPS, and almost on x86.
3546 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
3547 next_stack_level, in_reg_window): Helper fns.
3548 (__throw): Implement for DWARF2_UNWIND_INFO.
3550 * expr.c (expand_builtin): Handle builtins used by __throw.
3551 * tree.h (enum built_in_function): Add builtins used by __throw.
3552 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
3553 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
3554 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
3555 (expand_builtin_extract_return_addr): Likewise.
3556 (expand_builtin_frob_return_addr): Likewise.
3557 (expand_builtin_set_return_addr_reg): Likewise.
3558 (expand_builtin_eh_stub): Likewise.
3559 (expand_builtin_set_eh_regs): Likewise.
3560 (eh_regs): Choose two call-clobbered registers for passing back values.
3562 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
3563 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
3564 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
3565 (stmp-multilib): Likewise.
3566 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
3568 * except.c: #include "defaults.h".
3569 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
3570 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
3571 (register_exception_table_p): New fn.
3572 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
3573 (end_eh_unwinder): Likewise.
3575 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
3576 call __register_frame and __deregister_frame as needed.
3577 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
3578 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
3579 EH_FRAME_SECTION_ASM_OP.
3580 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
3581 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
3582 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
3584 * dwarf2out.c (output_call_frame_info): If no support for
3585 EXCEPTION_SECTION, mark the start of the frame info with a
3587 * collect2.c (frame_tables): New list.
3588 (is_ctor_dtor): Recognise frame entries.
3589 (scan_prog_file): Likewise.
3590 (main): Pass -fno-exceptions to sub-compile. Also do collection
3591 if there are any frame entries.
3592 (write_c_file_stat): Call __register_frame_table and
3593 __deregister_frame as needed.
3594 (write_c_file_glob): Likewise.
3596 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
3597 Also require unaligned reloc support.
3598 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3599 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
3600 * sparc/sysv4.h: Not here.
3602 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
3603 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
3604 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
3606 * libgcc2.c (L_eh): Reorganize, moving code shared by different
3607 EH implementations to the top.
3608 (find_exception_handler): Split out. Start from 0. Compare against
3610 (__find_first_exception_table_match): Use it.
3611 * except.c (output_exception_table): Don't do anything if there's
3612 no table. Don't output a first entry of zeroes.
3613 (eh_outer_context): Adjust properly.
3614 (add_eh_table_entry): Use xrealloc.
3615 * toplev.c (compile_file): Just call output_exception_table.
3617 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
3619 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
3621 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
3623 * except.c (eh_outer_context): Do masking using expand_and.
3625 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
3627 Add port done awhile ago for the ARC cpu.
3628 * arc/arc.h: New file.
3629 * arc/arc.c: New file.
3630 * arc/arc.md: New file.
3631 * arc/initfini.c: New file.
3632 * arc/lib1funcs.asm: New file.
3633 * arc/t-arc: New file.
3634 * arc/xm-arc.h: New file.
3635 * ginclude/va-arc.h: New file.
3636 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
3637 * ginclude/varargs.h: Likewise.
3638 * Makefile.in (USER_H): Add va-arc.h.
3639 * configure.in (arc-*-elf*): Recognize.
3640 * longlong.h: Add ARC support.
3642 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
3644 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
3645 when clearing non-BLKmode data.
3647 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
3649 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
3650 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
3652 * xm-m88k.h (USG): Only define if it hasn't already been defined.
3654 * Makefile.in (risky-stage1): Delete gratutious whitespace.
3656 * Makefile.in (clean): Delete libgcc1-test.
3658 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
3660 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
3662 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
3665 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3667 * dwarf2out.c (output_call_frame_info): Call named_section.
3669 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
3671 * haifa-sched.c (print_value): Fix last change.
3673 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
3675 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
3678 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
3680 * mips.c (function_prologue): Set up the CFA when ABI_32.
3682 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
3683 for dwarf2 unwind info.
3684 (output_function_prologue, sparc_flat_output_function_prologue): Same.
3686 * final.c (final_end_function): Check dwarf2out_do_frame instead
3687 of DWARF2_DEBUG for dwarf2 unwind info.
3688 (final_scan_insn): Likewise.
3689 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
3692 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
3695 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
3697 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
3699 * v850.h (ASM_SPEC): Pass on target processor.
3700 (CPP_PREDEFINES): Only define if not already specified.
3701 (TARGET_VERSION): Only define if not already specified.
3702 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
3704 (EXTRA_SWITCHES): Extra entries in the switches array.
3705 (TARGET_DEFAULT): Set default target processor.
3707 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
3709 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
3710 cases, add %# and %/, and add : to make them into extended asms.
3712 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
3714 * alias.c (init_alias_analysis): Clean up incompatible pointer
3715 type warning in bzero.
3716 * regmove.c (regmove_optimize): Ditto.
3717 * haifa-sched.c (find_rgns): Ditto.
3719 * haifa-sched.c (print_value): Clean up ptr->int cast
3722 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
3724 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
3725 * install.texi (Configurations): Ditto.
3726 * config.sub: Ditto.
3728 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
3730 * Makefile.in (sdbout.o): Depend on insn-config.h.
3732 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
3734 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
3735 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
3737 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3739 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
3740 prologue insn, only the first elt is significant.
3741 (output_call_frame_info): For exception handling, always use 4-byte
3742 fields as specified by the dwarf2 spec.
3743 Don't skip trivial FDEs.
3745 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
3747 * version.c: Bump for snapshot.
3749 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
3751 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
3752 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
3755 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
3757 * final.c (shorten_branches): During first pass, assume worst
3758 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
3760 * Makefile.in (distclean): Remove various things left around
3761 by running the testsuite.
3763 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
3765 * configure.in (out_file): Emit definition to config.status in order
3766 to have a defined value for configure.lang.
3767 * configure: Re-built.
3769 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
3771 * configure.in: Make symlink to as-new rather than as.new. Similarly
3773 * configure: Rebuilt.
3775 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
3777 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
3779 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
3781 * sparc/sparc.md: Add ultrasparc scheduling support.
3782 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
3784 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3786 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
3787 as initial value for real_label_map.
3788 (copy_for_inline): Likewise.
3790 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3792 * sched.c (update_flow_info) When looking if to set found_split_dest
3793 or found_orig_dest, look at all parts of a PARALLEL.
3794 * haifa-sched.c (update_flow_info): Likewise.
3796 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
3798 * v850: New directory for v850 port.
3799 * v850/lib1funcs.asm: New file.
3800 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
3801 * ginclude/va-v850.h: New file.
3802 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
3803 * configure.in (mn10200-*-*): New target.
3804 * configure: Rebuilt.
3805 * config.sub: Handle v850-elf.
3806 * Makefile.in (USER_H): Add va-mn10200.h.
3807 * invoke.texi: Document v850 stuff.
3809 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
3811 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
3812 has integer TYPE_{MAX,MIN}_VALUE before using them.
3814 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
3815 __HPUX_ASM__ versions.
3817 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
3819 * install.sh: Delete duplicate install script.
3821 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
3823 * reg-stack.c (subst_stack_regs): Pop the stack register for a
3824 computed goto which sets the same stack register.
3826 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
3827 destination are both on the regstack.
3828 (subst_stack_regs_pat): Put the destination at the top of the regstack.
3830 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
3832 * mips.md (nonlocal_goto_receiver): Define.
3834 * profile.c (output_arc_profiler): Check next_insert_after for non
3835 NULL before deferencing it.
3837 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
3839 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
3841 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
3843 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
3845 * toplev.c (rest_of_compilation): For passes starting with
3846 flow_analysis, use print_rtl_with_bb instead of print_rtl.
3848 * print-rtl.c (print_rtl_single): Print a single rtl value to a
3851 * flow.c (print_rtl_with_bb): Print which insns start and end
3852 basic blocks. For the start of a basic block, also print the live
3855 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
3857 * toplev.c (main): Change #elif to #else/#ifdef
3859 * tlink.c: Include ctype.h.
3860 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
3862 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
3864 * bitmap.c: Conditionally include stdlib.h.
3865 (free): Provide a declaration if NEED_DECLARATION_FREE.
3867 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
3869 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
3871 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
3873 * profile.c (output_arc_profiler): Verify next_insert_after is an
3874 INSN before and after skipping a stack pop.
3876 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3878 * final.c (shorten_branches): Don't count the lengths of deleted
3881 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
3883 * version.c: Bump for snapshot.
3885 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
3887 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
3888 two bitmaps ANDed together.
3889 (bitmap_print): Declare.
3891 * bitmap.c (function_obstack): Don't declare any more.
3892 (bitmap_obstack): Obstack for allocating links from.
3893 (bitmap_obstack_init): New static to say whether to initialize
3895 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
3896 (bitmap_release_memory): Free all memory allocated from
3899 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
3900 EXECUTE_IF_AND_IN_BITMAP.
3902 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
3904 * alias.c (true_dependence): Address with AND can alias scalars.
3905 (anti_dependence, output_dependence): Likewise.
3907 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
3909 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
3911 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
3912 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
3913 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
3914 definitions. Use -qrtems instead of -mrtems.
3916 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
3918 * xm-sco5.h (sys_siglist): Define.
3919 (SYS_SIGLIST_DECLARED): Likewise.
3921 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
3923 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
3925 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
3927 * except.c (eh_outer_context): Expand masking operation using
3930 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
3932 * alpha.md (floatdisf2-1): New pattern.
3934 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
3936 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
3937 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
3938 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
3939 * gcc.texi: Note that if you define sys_siglist that you should
3940 also define SYS_SIGLIST_DECLARED.
3942 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
3943 are relative to the next instruction, not the current instruction.
3945 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
3947 * local-alloc.c (contains_replace_regs): New function.
3948 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
3949 verify that there is no existing REG_EQUIV note, and add a call to
3950 contains_place_regs.
3952 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3954 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
3955 (STARTFILE_SPEC): Always use crtbegin.o%s
3956 (ENDFILE_SPEC): Always use crtend.o%s.
3958 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
3960 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
3962 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
3963 SFmode for 64 bit hosts.
3965 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
3967 * fixincludes: Permits spaces between # and define. Discard C++
3968 comments in sys/pci.h on HP/UX 10.20.
3970 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
3972 * version.c: Bump for snapshot.
3974 * pa.c (restore_unscaled_index_insn_codes): New function.
3975 (record_unscaled_index_insn_codes): Likewise.
3976 (output_function_prologue): Call restore_unscaled_index_insn_codes.
3977 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
3978 (pa_reorg): Call record_unscaled_index_insn_codes.
3980 * haifa-sched.c (move_insn): Handle notes correctly for insns
3981 with SCHED_GROUP_P set.
3983 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3985 * alpha/xm-linux.h (USE_BFD): Undef before define.
3987 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
3989 * cse.c (cse_insn): Don't record BLKmode values.
3991 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
3993 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
3995 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
3997 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
3998 * collect2.c (sys_errlist): Likewise.
3999 * cpplib.c (sys_errlist): Likewise.
4000 * gcc.c (sys_errlist): Likewise.
4001 * protoize (sys_errlist): Likewise.
4002 * configure.in: Check for strerror.
4003 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
4004 * xm-gnu.h (HAVE_STRERROR): Likewise.
4005 * xm-linux.h (HAVE_STRERROR): Likewise.
4006 * xm-netbsd.h (HAVE_STRERROR): Likewise.
4007 * xm-bsd386.h (HAVE_STRERROR): Likewise.
4008 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
4009 * xm-dos.h (HAVE_STRERROR): Likewise.
4010 * xm-mingw32.h (HAVE_STRERROR): Likewise.
4011 * xm-pa.h (HAVE_STRERROR): Likewise.
4012 * xm-papro.h (HAVE_STRERROR): Likewise.
4013 * xm-sysv4.h (HAVE_STRERROR): Likewise.
4014 * configure, config.in: Rebuilt.
4016 * Makefile.in: Add several missing "else true" clauses.
4018 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
4019 * mips-tfile.c: Likewise.
4020 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
4021 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
4022 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
4023 * configure.in: Check for sys_siglist declaration.
4024 * configure, config.in: Rebuilt.
4026 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
4028 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
4029 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
4030 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
4031 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
4032 * rs6000/sysv4.h (extra_subtarget_switches): Added new
4033 macro EXTRA_SUBTARGET_SWITCHES.
4034 * configure.in (sh*-*-rtems*): New target.
4035 * sh/rtems.h: New file.
4036 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
4037 * configure: Rebuilt.
4039 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
4041 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
4043 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
4045 * rs6000.md: Make DF fused-add operations pay attention to
4048 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
4050 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
4052 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
4054 * pa.md (reload_peepholes): Make sure operand is a REG before
4055 examining REGNO. Allow general registers too.
4057 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
4059 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
4061 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
4063 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
4064 to reallocate abbrev_die_table.
4066 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
4068 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
4070 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4072 * Makefile.in (config.status): Depend on version.c
4074 * expr.h (insn_gen_function): Reenable prototype.
4076 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
4079 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
4081 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
4083 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
4085 * version.c: Bump for latest snapshot.
4087 * bc-optab.c: Conditionally include stdlib.h.
4088 (free): Provide a declaration if NEED_DECLARATION_FREE.
4089 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
4090 * rtl.h (free): Remove declaration.
4091 * tree.h (free): Remvoe declaration.
4093 * configure: Rebuilt.
4095 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
4097 * flags.h (flag_move_all_movables): Declare.
4098 (flag_reduce_all_givs): Likewise.
4099 * loop.c (move_movables): Handle flag_move_all_movables.
4100 (strength_reduce): Handle flag_reduce_all_givs.
4101 * toplev.c (flag_move_all_movables): Define.
4102 (flag_reduce_all_givs): Likewise.
4103 (f_options): Add -fmove-all-movables and -freduce-all-givs.
4104 * invoke.texi: Document new options, including alias stuff that
4105 wasn't included last time.
4107 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
4109 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
4112 * t-vxworks68: Ditto.
4113 * t-vxworks960: Ditto.
4116 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
4118 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
4119 if not already defined, and USE_C_ALLOCA not defined.
4121 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
4123 * config.guess: Replace with script that uses ../config.guess.
4125 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
4126 if USE_GNULIBC_1 is not defined.
4128 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
4130 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
4131 * config.guess: Recognize alpha-linux-gnulibc1.
4132 * configure.in (alpha-*-linux-gnulibc1): New target.
4133 (alpha-*-linux-gnu*): Don't build crtbegin/end.
4135 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
4137 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
4140 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
4142 * loop.c (combine_movables): Earlier insns don't match later ones.
4144 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4146 * config/linux.h (CC1_SPEC): Define it only if not defined.
4148 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
4151 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
4152 USE_GNULIBC_1 is not defined.
4154 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
4156 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
4157 as 1 if USE_GNULIBC_1 is not defined.
4159 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
4161 * reorg.c (dbr_schedule): Allow current_function_return_rtx
4162 to be something other than a REG.
4163 * function.c (expand_function_end): Fix current_function_return_rtx
4166 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
4167 * x-netbsd: Likewise
4168 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
4169 (INSTALL_HEADERS): Delete.
4170 * x-dguxbcs: Likewise.
4171 * x-hp3bsd44: Likewise
4174 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4176 * i386.md (pop): pop increments the stack pointer.
4177 (prologue_set_stack_ptr): New pattern.
4178 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
4181 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
4183 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
4184 address where an offsettable address is required.
4186 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
4188 * loop.c (check_final_value): Don't miss a biv increment in a
4191 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
4193 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
4194 TYPE_DECL_IS_STUB instead of DECL_NAME.
4196 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4198 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
4200 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
4202 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
4204 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
4206 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
4207 (find_post_sched_live): Likewise.
4209 * haifa-sched.c (schedule_block): Remove old code to get arguments
4210 from hard regs into pseudos early.
4212 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
4214 * version.c: Bump for new snapshot.
4216 * local-alloc.c (update_equiv_regs): All the target to reject
4217 promotion of some REG_EQUAL to REG_EQUIV notes.
4218 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
4220 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
4223 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
4224 store of the argument registers.
4226 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
4228 * fold-const.c (multiple_of_p): New function.
4229 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
4231 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
4233 * expr.h (insn_gen_function): Temporarily remove prototype.
4235 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
4237 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
4238 filenames. Use sed to extract base filename for install.
4240 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
4242 * unroll.c (find_splittable_givs): Only share if two givs have the
4243 same add and multiply values.
4245 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
4247 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
4248 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
4250 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
4252 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
4253 around branch tables.
4254 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
4255 and .end_brtab directives if TARGET_GAS.
4257 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
4259 * alias.c (true_dependence): Pass x_addr not x to varies.
4261 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
4262 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
4263 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
4265 * config.in, configure: Regenerate.
4267 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
4269 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
4271 (record_set): Handle LO_SUM like PLUS.
4272 (init_alias_analysis): When following chains of base addresses,
4273 do not stop on reaching a hard register.
4275 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
4277 * version.c: Bump for new snapshot.
4279 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
4281 * alpha.h (ARCH_ASM_FILE_START): Define.
4282 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
4283 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
4285 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
4287 * Makefile.in (install-common): Put gcov comment at start of line.
4289 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
4291 * alias.c (init_alias_analysis): When simplifying the reg_base_value
4292 array, simplify entries for hard registers too.
4294 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
4296 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
4299 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
4301 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
4302 block_stack before dereferencing it.
4304 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
4306 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
4308 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4310 * cplus-dem.c: Add 'extern' to prepends_underscore.
4312 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
4314 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
4315 (get_issue_rate): Delete.
4316 * pa.h (ISSUE_RATE): Define.
4318 * configure.in: Turn on haifa by default for the PA.
4319 * configure: Rebuilt.
4320 * pa.c (override_options): Accept -mschedule=7200 option.
4321 (pa_adjust_cost): No longer need to scale costs for newer
4323 * pa.h (enum processor_type): Add PROCESSOR_7200.
4324 * pa.md: Revamp scheduling parameters to work better with
4325 haifa. Add scheduling parameters for the 7200.
4327 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
4329 (schedule_block): When adjusting basic_block_{head,end}, account
4330 for movement of SCHED_GROUP_P insns too.
4332 * haifa-sched.c (debug_dependencies): Fix thinko.
4334 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
4335 (site.exp, check, check-g++, check-gcc): New targets.
4337 * haifa-sched.c: Make lots of variables static.
4339 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4341 * expr.h, real.h: Finish prototyping.
4343 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
4345 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
4346 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
4347 * reload1.c: Undo bugfix from Aug 11.
4349 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
4351 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
4352 quotes around the name.
4353 * configure: Regenerate.
4355 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
4357 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
4359 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
4361 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
4362 to sub-makes to avoid building more passes than the user might have
4363 requested on the command line.
4365 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
4367 * configure.in: Expurgate `broken_install' (install is
4370 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
4373 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
4375 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
4376 functions and declarations.
4377 (analyze_loop_iterations): Use condjump_p.
4378 (insert_bct): Likewise. Use exact_log2.
4380 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
4382 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
4383 (schedule_region): Likewise.
4384 (schedule_insns): Likewise.
4386 * PROJECTS: Update with Haifa stuff.
4388 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
4390 * version.c: Change the version string to look like:
4391 egcs-2.90.00 970814 (gcc2-970802 experimental).
4393 * loop.c (is_conditional_branch): Make definition match declaration.
4395 * gcc.c: Take out experimental snapshot warning message.
4397 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
4399 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
4400 print out the names of the notes. Print out the name of the insn
4401 that is not a note, and not an {,CALL_,JUMP_}INSN.
4403 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4405 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4406 again for the slot after we give it RTL.
4408 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
4410 * configure.in (haifa configury): Fix typo.
4411 * configure: Regenerate.
4413 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
4415 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
4417 * gcc.info*: Rebuilt.
4419 * COPYING.g77, README.g77: New files.
4420 * real.c (ereal_unto_float, ereal_unto_double): New functions.
4421 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
4422 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
4424 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
4426 * Integrate Haifa instruction scheduler.
4427 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
4428 to sched with $(SCHED_CFLAGS.
4429 * configure.in: Handle --enable-haifa.
4430 * configure: Rebuilt.
4431 * flags.h: Add new flags for haifa instruction scheduler.
4432 * genattrtab.c (expand_units): For haifa, don't subtract one
4433 when computing blockage.
4434 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
4435 (flag_schedule_speculative): Ditto.
4436 (flag_schedule_speculative_load): Ditto.
4437 (flag_schedule_speculative_load_dangerous): Ditto.
4438 (flag_schedule_reverse_before_reload): Ditto.
4439 (flag_schedule_reverse_after_reload): Ditto.
4440 (flag_branch_on_count_reg): Ditto.
4441 (f_options): Add Haifa switches.
4442 (main): Turn off some Haifa options if appropriate macro is
4443 defined. Process Haifa switches.
4444 * unroll.c (iteration_info): No longer static, since Haifa
4446 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
4447 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
4448 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
4449 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
4450 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
4451 storage for the Haifa scheduler.
4452 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
4454 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
4455 are defined, call analyze_loop_iterations and insert_bct to use
4457 (record_giv): Refine test for jumps out of loops if HAIFA is
4459 (analyze_loop_iterations): New function to identify if we can use
4461 (insert_bct): Insert countdown loop.
4462 (instrument_loop_bct): Low level code to insert countdown loop.
4463 (loop_number): Calculate UID of loop.
4464 (indirect_jump_in_function_p): Return true if an indirect jump is
4466 (is_power_of_2): Return true if value is a power of 2.
4467 (is_conditional_branch): Return true if insn is a conditional
4469 (fix_bct_param): Process -fbct-{min,max}-N switches.
4470 (check_bct_param): Return true if loop should be instrumented.
4471 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
4472 (loop_optimize): Initialize.
4473 (get_condition_for_loop): Ditto.
4474 * loop.c (strength_reduce): Inside of code that uses #ifdef
4475 HAVE_decrement_and_branch_on_count code, test it to make sure the
4477 (instrument_loop_bct): Ditto.
4478 * haifa-sched.c: New file.
4481 * Integrate regmove pass.
4482 * Makefile.in (OBJS): Add regmove.o
4483 (regmove.o): Add dependencies.
4484 * flow.c (find_use_as_address): No longer static.
4485 * rtl.h (find_use_as_address): Declare.
4486 * toplev.c (regmove_dump, flag_regmove): Define.
4487 (f_options): Add -fregmove.
4488 (regmove_dump_file, regmove_time): Define.
4489 (fatal_insn): Close the regmove dump file.
4490 (compile_file): Initialize regmove_time; open/close the regmove dump
4491 file as needed. Print regmove time as needed.
4492 (rest_of_compilation): Run regmove pass if requested, dump
4493 RTL after regmove if requested.
4494 (main): If -O2 or more, turn on regmove. Handle dump switches.
4495 * regmove.c: New file.
4497 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
4499 * Integrate tlink patch from jason@cygnus.com
4500 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
4501 (process_command): Increment n_switches for them. Don't discard
4502 their args. Validate them.
4503 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
4505 (process_command): Set include_prefixes from COMPILER_PATH.
4506 (main): Set COLLECT_GCC_OPTIONS sooner.
4507 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
4508 * tlink.c, hash.c, hash.h: New files.
4509 * Makefile.in (USE_COLLECT2): Always use collect2.
4510 (collect2): Depend on and link in hash.o and tlink.o.
4511 (tlink.o, hash.o): Add dependencies.
4513 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
4515 * Integrate alias analysis changes from jfc@mit.edu
4516 * Makefile.in (OBJS): Add alias.o
4517 (alias.o): Add dependencies.
4518 * alias.c: New file.
4519 * sched.c: Remove alias analysis code. It lives in alias.c now.
4520 (sched_analyze_2): Add new arguments to true_dependence.
4521 (schedule_insns): Always call init_alias_analysis.
4522 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
4523 mark return value from such functions as a pointer and keep track of
4524 them for alias analysis. If a return value from a function is a
4525 pointer, mark it as such.
4526 * combine.c (distribute_notes): Handle REG_NOALIAS.
4527 * cse.c (struct write_data): Delete. No longer needed.
4528 (invalidate): Don't call set_nonvarying_address_components anymore.
4529 Use true_dependence to decide if an entry should be removed from
4531 (invalidate_memory): Remove WRITES argument, simplify appropriately.
4533 (note_mem_written): Similarly for WRITE_PTR argument.
4534 (invalidate_from_clobbers): Similarly for W argument.
4535 (invalidate_for_call): Remove memory elements from the hash table.
4536 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
4537 (cse_rtx_varies_p): New function. Derived from old
4538 cse_rtx_addr_varies_p.
4539 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
4540 Don't call note_mem_written anymore. Stack pushes invalidate the stack
4541 pointer if PUSH_ROUNDING is defined. No longer need to call
4542 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
4543 (skipped_writes_memory): Remove variable.
4544 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
4545 (invalidate_skipped_block): Simplify for new alias analysis code.
4546 (cse_set_around_loop): Likewise.
4547 (cse_main): Call init_alias_analysis.
4548 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
4549 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
4550 (f_options): Add new alias checking arguments.
4551 (main): Set flag_alias_check when optimizing.
4552 * local_alloc (validate_equiv_mem_from_store): Add new arguments
4554 (memref_referenced_p): Likewise.
4555 * loop.c (NUM_STORES): Increase to 30.
4556 (prescan_loop): Only non-constant calls set unknown_address_altered.
4557 (invariant_p): Add new arguments to true_dependence.
4558 (record_giv): Initialize unrolled and shared fields.
4559 (emit_iv_add_mult): Call record_base_value as needed.
4560 * loop.h (struct induction): Add unrolled and shared fields.
4561 * unroll.c (unroll_loop): Call record_base_value as needed.
4562 (copy_loop_body): Likewise.
4563 (final_biv_value): Likewise.
4564 (final_giv_value): Likewise.
4565 (find_splittable_regs): Likewise. Only create one new pseudo
4566 if we have multiple address GIVs that were combined with the same
4567 dst_reg GIV. Note when a new register is created due to unrolling.
4568 * rtl.c (reg_note_name): Add REG_NOALIAS.
4569 * rtl.h (enum reg_note): Similarly.
4570 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
4571 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
4572 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
4573 (true_dependence, read_dependence, anti_dependence): Likewise.
4574 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
4575 (mark_user_reg, mark_reg_pointer): Likewise.
4578 * Integrate reload bugfix from Wilon which enables the PA port
4580 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
4581 OPERAND_ADDRESS when computing how many registers an insn needs.
4582 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
4584 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
4586 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
4587 in reload_reg_use_in_op_addr do not reach the end.
4588 do not reach the end.
4589 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
4590 RELOAD_FOR_OPERAND_ADDRESS.
4592 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
4594 * egcs project officially starts.