1 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
3 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
5 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
7 * config.sub: More accurate determination of HP processor types.
9 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
12 prototype for `handle_sysv_pragma', and make it static. Add
13 parentheses around assignment used as truth value.
15 * combine.c (combine_instructions): Protect variable `prev' with
17 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
18 (extract_left_shift): Add parentheses around operand of &.
19 (merge_outer_ops): Avoid an empty body in an else-statement.
20 (gen_rtx_combine): Remove unused variable `i'.
22 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
23 function monstartup `void'. Likewise for internal_mcount. Add
24 `static void' prototype for moncontrol. Reconcile sprintf format
27 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
28 Make return type of function_arg_slotno explicitly `int'.
29 (reg_unused_after): Add parentheses around assignment used as
31 (save_regs): Add explicit braces to avoid ambiguous `else'.
32 (function_arg_slotno): Add parentheses around && within ||.
33 (function_arg_pass_by_reference): Likewise.
34 (sparc_flat_output_function_prologue): Reconcile fprintf format
37 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
38 assignment used as truth value.
40 * cplus-dem.c: Include <stdlib.h>.
41 (demangle_signature): Avoid an empty body in an else-statement.
42 (do_type): Remove unused variable `lvl'.
44 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
45 Include <string.h>/<strings.h>.
46 (cpp_lex): Remove unused variable `namelen'.
47 (cpp_lex): Explicitly declare `num_chars' as an int.
49 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
50 <unistd.h> instead. Explicitly declare is_system_include
52 (make_assertion): Remove unused variable `kt'.
53 (cpp_expand_to_buffer): Hide variable `obuf'.
54 (output_line_command): Remove unused variables, `line_end',
55 `line_cmd_buf' and `len'.
56 (macarg): Remove unused variable `arg_start'.
57 (special_symbol): Remove unused variable `i'. Add parentheses
58 around assignment used as truth value.
59 (do_include): Remove unused variables `pcfname' and `retried',
60 hide `pcf' and `pcfbuflimit'.
61 (do_line): Remove unused variable `i'.
62 (finclude): Hide variable `missing_newline'.
63 (cpp_handle_options): Remove unused variable `j'.
64 (read_token_list): Remove unused variable `eofp'.
65 (cpp_error_with_line): Remove unused variable `i'.
66 (cpp_warning_with_line): Likewise.
67 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
68 (cpp_error_from_errno): Remove unused variable `i'.
70 * cse.c (invalidate): Add parentheses around assignment used as
72 (find_best_addr): Move declaration of variable `our_cost' inside
73 the conditional macro where its used.
74 (fold_rtx): Avoid an empty body in an if-statement.
75 (cse_insn): Wrap variables `this_insn_cc0_mode' and
76 `this_insn_cc0' in macro HAVE_cc0.
78 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
79 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
80 (output_uleb128): Likewise.
81 (output_sleb128): Likewise.
82 (output_cfi): Likewise.
83 (output_call_frame_info): Remove unused variables `j', `fde_size'
85 (comp_unit_has_inlines): Hide declaration as per rest of file.
86 (size_of_line_prolog): Correct typo in prototype.
87 (add_arange): Likewise.
88 (output_aranges): Likewise.
89 (add_name_and_src_coords_attributes): Likewise.
90 (gen_array_type_die): Likewise.
91 (gen_inlined_subroutine_die): Likewise.
92 (equate_decl_number_to_die): Remove unused variable `i'.
93 (print_die): Reconcile format vs. args in fprintf's.
94 (print_dwarf_line_table): Likewise.
95 (output_die): Likewise.
96 (output_line_info): Likewise.
97 (add_subscript_info): Avoid an empty body in an else-statement.
98 (gen_subprogram_die): Remove unused variable `fp_loc'.
100 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
101 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
102 macro. Protect `src_coords_attribute' prototype with
103 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
104 prototype as in the rest of the file. Likewise for
105 `output_pointer_type_die' and `output_reference_type_die'. Remove
106 prototype for `type_of_for_scope'.
107 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
108 (type_attribute): Add explicit braces to avoid ambiguous `else'.
110 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
111 (shorten_branches): Protect declaration of tmp_length with
112 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
113 (profile_function): Protect declaration of `sval' and `cxt'
114 variables with appropriate macros.
115 (final_scan_insn): Likewise for `note' variable. Add explicit
116 braces to avoid empty body in an if-statement.
117 (output_asm_insn): Move variable `i' inside macro conditional
118 where it is used. Add parentheses around assignment used as truth
120 (asm_fprintf) Likewise, likewise.
122 * fix-header.c (main): Remove unused variable `done'. Protect
123 declaration of `i' with FIXPROTO_IGNORE_LIST.
125 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
127 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
130 * profile.c: Include <string.h>/<strings.h>.
131 (instrument_arcs): Remove unused variables `note', `inverted',
132 `zero' and `neg_one'.
133 (branch_prob): Avoid empty body in an if-statement.
135 * regclass.c: Include <stdlib.h>.
136 (reg_alternate_class): Explicitly declare parameter `regno'.
138 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
139 parentheses around assignment used as truth value.
140 (find_matches): Remove unused variables `output_operand' and
142 (fixup_match_1): Remove statement with no effect: "if (0) ;".
144 * scan.c (sstring_append): Explicitly declare `count' as int.
145 (scan_string): Explicitly declare parameter `init' as int.
147 * sched.c: Include <stdlib.h>.
148 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
149 (rank_for_schedule): Add parentheses around assignment used as
151 (schedule_block): Likewise.
152 (regno_use_in): Likewise.
153 (schedule_insns): Remove unused variable `i'.
155 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
156 (v_message_with_decl): Remove unused variable `n'.
157 (botch): Explicitly declare parameter `s' as char *.
158 (main): Add parentheses around assignment used as truth value.
160 * tree.c (make_node): Protect the variable `kind' with the
161 GATHER_STATISTICS macro.
162 (real_value_from_int_cst): Move variable `e' inside conditional
163 macro area where it is used.
164 (tree_last): Add parentheses around assignment used as truth value.
165 (build1): Protect the variable `kind' with the GATHER_STATISTICS
167 (print_obstack_statistics): Reconcile format vs. args in fprintf.
168 Protect variables `i', `total_nodes', and `total_bytes' with the
169 GATHER_STATISTICS macro.
171 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
173 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
174 some comments regarding use of dead_or_set_p.
176 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
178 * fixincludes: Tweak fix for struct exception in math.h
180 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
182 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
183 Change mode of registers used to add/sub from
184 hard_frame_pointer_rtx from word_mode to Pmode.
186 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
188 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
189 asm_output_aligned_bss() instead of asm_output_bss().
191 * toplev.c (rest_of_compilation): Replace references to
192 stack_reg_dump_file and dbr_sched_dump_file with references to
195 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
197 * tlink.c (scan_linker_output): Call fclose() for opened files.
199 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
201 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
202 compiling with -fpic -- we want to be able to override symbols
204 (alpha_expand_block_move): Fix thinko in last change.
206 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
207 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
208 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
210 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
212 * alpha.md (abssf, absdf): Revert last change.
214 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
216 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
217 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
219 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
221 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
222 a CONST_INT into SFmode.
224 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
226 * flags.h: New flag (optimize_size).
227 * toplev.c (main): Parse -Os option and set optimize_space
229 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
230 __OPTIMIZE_SIZE__ when compiling with -Os.
231 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
232 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
233 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
235 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
237 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
239 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
240 stuff only if MCT_TEXT is #define'd.
242 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
244 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
247 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
249 * toplev.c: Add -dM command line option to dump RTL after the
250 machine dependent reorganisation pass, if there is one.
251 Reorganise RTL dump code, so that only one file handle is
254 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
256 * except.c (check_exception_handler_labels): Disable warning when
259 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
261 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
263 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
265 * c-decl.c (grokdeclarator): Get parameter tags from
266 last_function_parm_tags.
267 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
268 traversing the parameter types.
269 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
271 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
273 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
275 (get_shift_alg): Fix typo.
277 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
279 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
281 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
283 * toplev.c (get_run_time): Make sure each case gets its variables.
285 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
287 * configure.in (build_xm_file): Add auto-config.h if host=build.
288 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
289 (build_xm_file_list): Likewise.
290 * configure: Rebuild.
292 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
294 * recog.c (validate_replace_rtx_1): Only perform substitutions
295 of arguments to commutative and comparison operators once.
297 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
299 * sparc.c (output_cbranch): Add default case in
302 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
303 (emit_delay_sequence): Eliminate unused parameter, all callers
305 (fill_simple_delay_slots): Likewise.
306 (fill_slots_from_thread): Likewise.
307 (fill_eager_delay_slots): Likewise.
308 (mark_referenced_resources): Add default case in enumeration switch.
309 (mark_set_resources): Likewise.
310 (rare_destination): Likewise.
311 (mostly_true_jump): Likewise.
312 (find_dead_or_set_registers): Likewise.
313 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
314 (update_reg_unused_notes): Remove unused variable `p'.
315 (mark_target_live_regs): Remove unused variables `next' and
317 (fill_simple_delay_slots): Remove unused variable `j'.
318 (fill_slots_from_thread): Add parentheses around assignment used
320 (dbr_schedule): Likewise.
322 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
323 (objc.stage2, objc.stage3, objc.stage4): Likewise.
325 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
327 * cse.c (simplify_ternary_operation): Don't try to simplify
328 IF_THEN_ELSE expressions (created by combine) that don't use
329 relational operators.
331 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
333 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
336 * crtstuff.c (init_dummy): Keep the epilogue in the init
337 section for non-ELF systems.
339 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
341 * sh.md (movqi_i+1): New peephole.
343 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
345 * Makefile.in: Remove remaining bytecode stuff.
346 * emit-rtl.c, expr.c: Likewise.
348 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
350 * toplev.c (lang_options): Add unknown-pragma options.
352 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
354 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
355 special (and incomplete) handling for Chill arrays.
357 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
359 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
362 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
364 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
366 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
368 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
369 .frame directive instead of FRAME_POINTER_REGNUM.
371 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
373 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
374 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
375 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
376 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
377 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
378 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
379 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
380 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
382 * longlong.h: Replace __mc68332__ with __mcpu32__.
384 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
386 * version.c: Bump for snapshot.
388 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
390 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
391 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
392 * reload1.c (eliminate_regs): Likewise.
394 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
396 * regmove.c (find_matches): Initialize matches->earlyclobber too.
398 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
400 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
401 (negsf2, negdf2): Use proper subtract in IEEE mode.
403 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
405 * Makefile.in: Remove more bytecode stuff.
406 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
407 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
408 * f/install.texi, objc/Make-lang.in: Likewise.
410 * Makefile.in: Remove all bytecode support.
411 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
412 * emit-rtl.c: Remove all bytecode support.
413 * expr.c, expr.h function.c, integrate.c: Likewise.
414 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
415 * tree.h, varasm.c: Likewise.
416 * config/m68k/m68k.h: Likewise.
417 * bi-*, bc-*, bytecode*: Delete bytecode related files.
418 * modemap.def: Likewise.
420 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
422 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
423 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
425 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
427 * i386.md (push): Prohibit symbolic constants if flag_pic.
428 (movsi+1): Likewise for move to non-register.
430 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
432 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
433 (print_operand): Handle 0xffffffff on 32 bit host.
435 * configure.in (thread_file): Rename uses before main loop to
436 target_thread_file. Initialize to empty in main loop. Set thread_file
437 to target_thread_file after main loop if not set.
438 * configure: Rebuild.
440 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
441 (add_values_to_cover): Revert last change (which had no ChangeLog
443 (simplify_with_current_value_aux): Handle CONST_INT.
445 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
447 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
449 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
451 * configure.in: Add cpp stringify test.
452 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
453 * gengenrtl.c: Use it.
454 * configure, config.in: Rebuild.
456 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
458 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
460 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
462 * configure.in: Find declaration for sbrk.
463 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
464 * config.in, configure: Rebuild.
465 * mips-tfile.c: Properly protect declaration of sbrk and free.
466 * toplev.c: Properly protect declaration of sbrk.
468 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
470 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
472 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
474 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
476 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
478 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
480 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
482 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
483 constant offset computations from objects with known alignment in
484 the presence of STACK_BIAS.
486 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
488 (const_hash): Hash val is unsigned long.
491 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
493 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
494 char pointer, not HOST_WIDE_INT.
495 (print_node): Likewise. Also hash is unsigned long not
498 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
500 * explow.c (optimize_save_area_alloca): New function for targets
501 where SETJMP_VIA_SAVE_AREA is true.
502 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
503 compute the amount of stack space needed should we find later that
504 setjmp is never called by this function, stuff rtl for this inside
505 a REG_NOTE of the final SET of stack_pointer_rtx.
506 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
507 current_function_calls_alloca, call optimize_save_area_alloca.
509 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
511 * i386.md: Remove redundant integer push patterns.
512 Don't bother checking for TARGET_PUSH_MEMORY when
513 pushing constants or registers.
515 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
516 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
518 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
519 (pwait): New function for mingw32.
521 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
522 pipe support is broken for now.
524 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
526 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
527 between frame_pointer_rtx, hard_frame_pointer_rtx, and
528 arg_pointer_rtx is respected in initialization.
529 (init_emit_once): Use gen_rtx_raw_REG() to create
530 return_address_pointer_rtx.
532 * reorg.c: #include "expr.h" for rtx prototypes.
533 * Makefile.in (reorg.o): Depend on expr.h
535 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
537 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
538 local_prefix to sub-make invocations.
540 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
542 * objc-parse.c: Recognize protocol qualifiers in class definitions.
544 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
548 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
549 * configure.in: Check for atol.
550 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
552 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
554 * loop.c (find_and_verify_loops): When attempting to move insns from
555 inside the loop outside the loop, create a BARRIER if no suitable
558 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
559 favor of an equivalent change from gcc-2.8.
561 * i386/x-sco5 (CC): Remove trailing whitespace.
563 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
565 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
566 (accessor_from_format): Likewise.
567 (xmalloc): New function for use when linking with alloca.o.
569 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
571 * frame.c (find_fde): Correct FDE's upper bound.
573 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
575 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
577 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
579 * calls.c (expand_call): Move #ifdef code out of macro argument
581 (emit_library_call, emit_library_call_value): Likewise.
583 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
585 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
587 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
589 * version.c: Bump for snapshot.
591 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
593 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
594 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
595 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
596 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
597 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
598 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
599 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
600 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
601 * unroll.c, varasm.c: Likewise.
602 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
604 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
606 * mips.h: Fix some type-o's from a previous change.
608 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
610 * loop.c (check_dbra_loop): Make sure initial value is a
611 CONST_INT before trying to normalize it.
613 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
615 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
617 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
619 * cppexp.c: Include gansidecl.h
621 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
623 * svr4.h (LINK_SPEC): Never specify -h.
624 * ptx4.h (LINK_SPEC): Likewise.
625 * rs6000/sysv4.h (LINK_SPEC): Likewise.
626 * sparc/sol2.h (LINK_SPEC): Likewise.
628 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
630 * c-typeck.c (comptypes): Exit early on NULL input.
632 * haifa-sched.c (schedule_insns): Correctly remove inter-block
633 dependencies after reload.
635 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
637 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
639 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
641 * alpha/vms.h (DIR_SEPARATOR): define
643 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
645 * Makefile.in (stamp-proto): Remove.
646 (protoize.o, unprotoize.o): Straightforward compile.
647 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
649 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
651 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
652 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
654 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
656 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
657 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
658 * sparc/netbsd.h, vax/netbsd.h: Likewise.
660 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
662 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
664 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
666 * configure.in (target_cpu_default, target_cpu_default2): Use double
667 quotes around them when testing their value.
668 * configure: Rebuilt.
670 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
672 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
674 (gendef): Call obstack_alloc_rtx.
676 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
678 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
681 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
683 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
684 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
685 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
687 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
689 * mips.md (return_internal): Change mode from SImode to VOIDmode.
691 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
693 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
696 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
698 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
699 suffix from operand 3.
701 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
702 Jeffrey A Law (law@cygnus.com)
704 * regmove.c: New implementation of regmove pass.
705 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
706 decls, make them have external linkage. Return a value from
708 * reload.h (count_occurrences): Add decl.
709 * reload1.c (count_occurrences): Delete decl, make it have external
711 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
713 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
715 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
716 if it is not defined.
718 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
720 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
721 * emit-rtl.c (gen_rtx): Move special code to ...
722 (gen_rtx_CONST_INT): New function.
723 (gen_rtx_REG): New function.
724 (*): Update all calls to gen_rtx.
725 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
726 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
727 (GEN_INT): Call gen_rtx_CONST_INT.
728 * gengenrtl.c: New file.
730 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
732 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
733 (base_alias_check): If no base found for address call canon_rtx and
736 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
738 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
739 arguments for mips16.
740 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
741 Don't lose if tsize is zero after handling large stack for mips16.
742 * mips.md (return): For trivial return, return address is in $31.
744 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
746 * mips/mips16.S: Various changes to make it work with -msingle-float
749 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
750 Ian Lance Taylor <ian@cygnus.com>
751 Jeff Law <law@cygnus.com>
753 * mips.c, mips.h, mips.md: First cut at merging in mips16
754 support. Major modifications throughout all three files.
756 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
758 * configure.in: Make gthr-default.h a forwarding header instead of
761 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
763 * gcov-io.h: Include sys/types.h to ensure we get size_t.
765 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
767 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
768 Jeffrey A Law (law@cygnus.com)
770 * crtstuff.c (__frame_dummy): New function for irix6.
771 (__do_global_ctors): Call __frame_dummy for irix6.
772 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
774 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
776 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
778 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
780 * c-decl.c (init_decl_processing): Provide proper fallback symbol
781 for __builtin_memset.
782 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
783 not INTEGER_CST. Assert arg 3 is a constant.
785 * alpha.c (mode_width_operand): Accept 64-bit modes.
786 (mode_mask_operand): Likewise.
787 (print_operand): Likewise for 'M' and 'U' codes.
788 (alpha_expand_unaligned_load): New function.
789 (alpha_expand_unaligned_store): Likewise.
790 (alpha_expand_unaligned_load_words): Likewise.
791 (alpha_expand_unaligned_store_words): Likewise.
792 (alpha_expand_block_move): Likewise.
793 (alpha_expand_block_clear): Likewise.
794 * alpha.h (MOVE_RATIO): New define.
795 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
796 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
798 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
799 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
801 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
803 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
806 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
808 * emit-rtl.c (operand_subword): Correctly handle extracting a word
809 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
811 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
814 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
816 * configure.in: Set and subsitute host_exeext. Use it when creating
817 the assembler and linker symlinks.
818 * configure: Rebuild.
819 * Makefile.in (exeext): Set to @host_exeext@.
820 (build_exeext): New variable, set to @build_exeext@.
821 (FLAGS_TO_PASS): Pass down build_exeext.
822 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
825 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
827 * mn10200.md (addsi3, subsi3): Fix thinkos.
829 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
831 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
832 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
833 unix always, since we want to be able to thunk to functions in a
834 shared library from an application.
836 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
838 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
839 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
841 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
843 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
844 offset's mode is not ptr_mode, convert it.
846 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
848 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
849 compiling if it was already defined.
851 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
853 * flow.c (find_basic_blocks): Don't create a new basic block
854 for calls in a LIBCALL block.
856 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
858 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
860 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
862 * cse.c (rtx_cost): Remove conflicting default case.
864 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
866 * configure.in: Move default enabling of Haifa out of for loop.
867 * configure: Rebuild.
869 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
871 * version.c: Bump for snapshot.
873 1997-12-25 Teemu Torma <tot@trema.com>
875 * Makefile.in (GTHREAD_FLAGS): New var.
876 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
877 (distclean): Remove gthr-default.h.
879 * configure.in: Accept dce as a thread package.
880 Check for thread.h and pthread.h.
881 Link gthr-default.h to appropriate thread file and set
883 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
884 include multilib definitions from pa/t-dce-thr.
885 (sparc-*-solaris2*): Enable threads by default, if thread.h or
886 pthread.h is found, preferring posix threads over solaris ones.
888 * config/pa/t-dce-thr: New file.
889 * config/pa/t-pa: Removed multilibs.
890 * config/sparc/t-sol2: Ditto.
893 * gthr-single.h: New file.
894 * gthr-posix.h: New file.
895 * gthr-solaris.h: New file.
896 * gthr-dce.h: New file.
897 * libgcc-thr.h: Removed.
898 * objc/thr-dce.c: New file copied from thr-decosf1.c.
900 * frame.c: Include gthr.h instead of libgcc-thr.h.
901 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
902 (eh_context_initialize): If __gthread_once fails, use static eh
904 (eh_context_free): Call __gthread_key_dtor.
906 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
908 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
910 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
912 * cse.c (max_insn_uid): New variable.
913 (cse_around_loop): Use max_insn_uid.
914 (cse_main): Set max_insn_uid.
916 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
917 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
918 -mlong64, and -mgp{32,64} options.
919 * mips.c (mips_abi): Change type to int.
920 * mips.h (enum mips_abi_type): Delete.
921 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
922 (mips_abi): Change type to int.
924 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
926 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
927 optimization is now always enabled.
929 * calls.c (expand_call): Recognize C++ operator new as malloc-like
932 * alias.c (memrefs_conflict_p): Eliminate tests now done by
934 (*_dependence): Call canon_rtx before base_alias_check.
935 (init_alias_once): New function to precompute set of registers which
936 can hold Pmode function arguments.
938 * rtl.h: Declare init_alias_once.
940 * toplev.c (compile_file): Call init_alias_once.
942 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
944 * tree.c (restore_tree_status): Do not dereference a null pointer.
946 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
948 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
949 RLIMIT_STACK. This maintains consistency with the recent, similar
950 patch to cccp.c and toplev.c.
952 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
954 * genattrtab.c (expand_units): For large nr opclasses, expand
955 function_units_used with ORX to prevent blowups. Tag with FFS.
956 (num_unit_opclasses): New variable.
957 (gen_unit): Update it.
958 (enum operator): Add ORX_OP.
959 (operate_exp): Treat ORX as or, except don't expand across an if.
960 Reuse number rtx's after operating on them.
961 (check_attr_value): Accept IOR, AND, & FFS.
962 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
963 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
964 (write_expr_attr_cache, write_toplevel_expr): New functions.
965 (write_attr_get): Handle FFS-tagged expressions.
966 (make_canonical): Don't expand const attributes.
967 (convert_const_symbol_ref): Dike out.
968 (evaluate_eq_attr): Handle SYMBOL_REF.
969 (main): Don't emit get_attr_foo for const attributes.
971 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
972 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
973 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
974 * alpha.md: Redo all of the scheduling, adding EV6 support, and
975 combining function units where possible.
976 (attr "type"): Split loads, stores, cmov into int/fp. Combine
977 multiplies and divides. Add EV6 sqrt, ftoi, itof.
978 (attr "opsize"): New attribute.
979 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
980 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
981 to control register allocation.
982 (movsi2-1, movdi2-1): Likewise.
984 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
986 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
987 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
988 Move OSF/1 specific defines out.
989 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
990 Move Linux specific defines out.
991 (LINK_SPEC): Genericize.
992 (ASM_FILE_START): Emit .arch if using more than the base insn set.
993 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
994 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
995 (HANDLE_SYSV_PRAGMA): Define.
996 * alpha/osf.h: New file.
997 * alpha/linux.h: Split. Retain file-format independant defines.
998 Import Linux bits from elf.h.
999 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
1000 (FUNCTION_PROFILER): _mcount takes its address in $28.
1001 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
1002 * alpha/linux-ecoff.h: New file.
1003 * alpha/linux-elf.h: New file.
1004 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
1005 * alpha/win-nt.h (TARGET_DEFAULT): Define.
1006 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
1007 Add new headers as appropriate.
1009 * configure.in (alpha*): Enable Haifa by default.
1010 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
1011 * configure: Rebuild.
1013 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
1015 * Makefile.in (clean): Remove the stages with their objects here ...
1016 (distclean): ... instead of here.
1018 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1020 * cse.c (rtx_cost): Add default case in enumeration switch.
1021 * fix-header.c (recognized_macro): Likewise.
1022 (recognized_extern): Likewise.
1023 (write_rbrac): Likewise.
1024 * objc/objc-act.c (encode_aggregate): Likewise.
1025 (gen_declarator): Likewise.
1026 (gen_declspecs): Likewise.
1028 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
1030 * haifa-sched.c (create_reg_dead_note): Detect and handle another
1031 case where we kill more regs after sched than were killed before
1033 * sched.c (create_reg_dead_note): Similarly.
1035 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
1037 * c-pragma.c: Include flags.h.
1039 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
1041 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
1042 about system headers.
1043 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
1044 and also to resolve symbols in prefix.c.
1046 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
1047 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
1048 when the definitions in auto-config.h is not visible.
1049 (HAVE_BZERO): Likewise.
1050 (HAVE_BCMP): Likewise.
1051 (HAVE_RINDEX): Likewise.
1052 (HAVE_INDEX): Likewise.
1054 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
1056 * pa.c (emit_move_sequence): Handle a function label source
1059 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
1061 * c-pragma.c (handle_pragma_token): Generate warning messages
1062 about unknown pragmas if warn_unknown_pragmas is set.
1064 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
1065 line option to set variable: warn_unknown_pragmas.
1067 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
1069 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
1071 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
1073 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
1075 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
1076 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
1077 generate more fine grained floating point emulation libraries.
1078 * config/fp-bit.c: Add protecting #ifdef to all functions so
1079 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
1080 then compile all suitable functions.
1081 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
1082 underscores to avoid namespace pollution.
1083 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
1085 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
1089 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1090 Jeff Law <law@cygnus.com>
1092 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
1094 * c-decl.c (finish_decl): Use parentheses around && within ||.
1095 * rtl.c: Include stdlib.h.
1096 (read_skip_spaces): Add parentheses around assignments used as
1098 (read_rtx): Initialize list_rtx.
1099 * cppexp.c (parse_number): Use || when operands are truth values.
1100 * alias.c (find_base_value): Add default case.
1101 (memrefs_conflict): Likewise.
1102 * combine.c (sets_function_arg_p): Likewise.
1103 * genemit.c (gen_exp): Likewise.
1104 * local-alloc.c (contains_replace_regs): Likewise.
1105 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
1106 * fold-const.c (fold_convert): Use "&&" for truth values.
1107 (fold): Add default case.
1108 * sdbout.c (sdbout_field_types): Fix typo in declaration.
1109 (sdbout_one_type): Add default case.
1110 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
1111 (some_operand): Add default case.
1112 (input_operand): Likewise.
1113 (signed_comparison_operator): Likewise.
1114 (divmod_operator): Likewise.
1115 (alpha_set_memflags_1): Likewise.
1116 * reload1.c (reload_cse_simplify_operands): Ensure function
1117 always returns a value.
1118 * scan-decls.c (scan_decls): Likewise.
1119 * c-lex.c (skip_white_space): Fix typo in declaraion.
1120 * c-typeck.c (comp_target_types): Add parentheses around assignment
1121 used as truth value.
1122 (print_spelling): Likewise.
1123 (constructor_implicit, constructor_result): Remove unused variables.
1124 * collect2.c (scan_library): Protect prototype with
1125 #ifdef SCAN_LIBRARIES.
1126 * emit-rtl.c (find_line_note): Fix typo in declaration.
1127 * final.c (asm_insn_count): Protect prototype with
1128 #ifdef HAVE_ATTR_length.
1129 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
1130 (try_pre_increment_1, try_pre_increment): Likewise.
1131 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
1132 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
1133 * gcov-io.h (__store_long, __write_long, __read_long): Fix
1134 unsigned/signed comparisons.
1135 * gcov.c (read_files): Remove unused "first_type" variable.
1136 (scan _for_source_files): Initialize s_ptr.
1137 (function_summary): Eliminate "%lf" formatting, use %ld for
1139 (output_data): Initialize branch_probs and last_line_num.
1140 Eliminate "%lf" formatting, use "%ld" for longs.
1142 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
1144 * mips16.S: New file.
1146 * libgcc2.c (varargs): Handle mips16.
1148 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
1150 * stmt.c (expand_end_case): Likewise.
1151 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
1152 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
1153 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
1155 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1157 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
1158 the build directory.
1159 (libobjc.a): Update dependency list.
1160 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
1162 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
1163 (objc.mostlyclean): Remove runtime-info.h.
1165 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
1167 * tree.c (build_range_type): Allow creation of ranges with no maximum.
1168 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
1169 * dwarf2out.c (add_subscript_info): Likewise.
1170 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
1171 * sdbout.c (plain_type_1): Likewise.
1172 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
1174 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
1177 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1179 * mips.c (fatal): Remove declaration.
1181 1997-12-18 Mark Mitchell <mmitchell@usa.net>
1183 * integrate.c (get_label_from_map): New function.
1184 (expand_inline_function): Use it. Initialize the label_map to
1185 NULL_RTX instead of gen_label_rtx.
1186 (copy_rtx_and_substitute): Use get_label_from_map.
1187 * integrate.h (get_label_from_map): New function.
1188 (set_label_from_map): New macro.
1189 * unroll.c (unroll_loop): Use them.
1190 (copy_loop_body): Ditto.
1192 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
1194 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
1195 (INIT_TARGET_OPTABS): Define.
1196 * mips/ecoff.h: Include gofast.h before mips.h.
1197 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
1198 * mips/elf64.h: Likewise.
1199 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
1201 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
1203 * except.c: Remove register_exception_table{,_p}.
1205 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
1207 * unroll.c (calculate_giv_inc): Handle constant increment found in
1208 a MEM with an appropriate REG_EQUAL note.
1210 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
1212 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
1213 frame pointer in the prologue.
1215 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
1217 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
1218 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
1220 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
1222 * config/m68k/m68k.c (output_function_prologue): Typecast
1223 dwarf2out_cfi_label to (char *).
1224 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
1226 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
1228 * sparc.md (jump): Don't use the annul bit around an empty loop.
1229 Patch from Kevin.Kelly@East.Sun.COM.
1231 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
1233 * jump.c: (jump_optimize): Don't use the return register as a
1234 source1 of a conditional move.
1236 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
1238 * sparc.c (DF_MODES): Or the mask not the bit number.
1239 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
1241 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1243 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
1245 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
1247 * fixincludes (size_t): Add support for Motorola's stdlib.h
1248 which fails to provide a definition for size_t.
1249 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
1250 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
1251 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
1253 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
1254 prevent unresolved externals in libio.
1255 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
1257 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
1259 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
1260 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
1261 (LIB_SPEC): Updated for glibc 2.
1263 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
1265 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
1266 * ginclude/varargs.h: Likewise.
1268 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
1270 * version.c: Bump for snapshot.
1272 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
1274 * frame.h (__register_frame, __register_frame_table,
1275 __deregister_frame): New.
1276 * frame.c (__register_frame, __register_frame_table,
1277 __deregister_frame): New.
1278 * frame.c (__deregister_frame_info): Return void *.
1279 * frame.h (__deregister_frame_info): Ditto.
1280 * collect2.c (__deregister_frame_info): Ditto.
1282 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
1284 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
1286 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
1288 * alpha.c (alpha_cpu_name): New variable.
1289 (alpha_mlat_string): Likewise.
1290 (alpha_memory_latency): Likewise.
1291 (override_options): Handle -mmemory-latency.
1292 (alpha_adjust_cost): Adjust load cost for latency.
1293 * alpha.h (TARGET_OPTIONS): Add meory-latency.
1294 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
1295 TARGET_CIX into account.
1296 (MEMORY_MOVE_COST): Define in terms of memory_latency.
1297 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
1299 * alpha.h (ASM_COMMENT_START): New macro.
1301 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
1303 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
1304 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
1306 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1307 SUBREG_REG if the word count is unchanged.
1308 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
1309 subregs of identical word size for push_reload.
1311 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
1313 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
1314 if all we're doing is dealing with -Wreturn-type.
1316 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
1318 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
1319 Use and 255 instead of zapnot 1, since it schedules better.
1321 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
1323 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
1326 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
1328 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
1329 dependency we delete. Properly update prev for multiple consecutive
1331 (priority): Skip deleted dependence.
1333 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
1335 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
1337 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1339 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
1340 determining when a new basic block starts.
1342 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
1344 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
1345 * pa.md (iorsi3): Add missing args to *_operand calls.
1347 * except.c (call_get_eh_context): Don't mess with sequences.
1348 (emit_eh_context): Include the call in the sequence here.
1350 1997-12-11 Paul Eggert <eggert@twinsun.com>
1352 * collect2.c (write_c_file_glob): Allocate initial frame object
1353 in static storage and pass its address.
1355 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1357 * except.c (call_get_eh_context): Don't take a parm.
1358 Put the call at the top of the function.
1359 (emit_eh_context): Adjust.
1360 (get_eh_context): Replace with former use_eh_context.
1361 (get_eh_context_once, get_saved_pc_ref): Remove.
1362 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
1364 * integrate.c (expand_inline_function): Adjust.
1365 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
1367 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
1369 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
1370 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
1372 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
1374 * fixincludes (strlen,strspn,strcspn return value): Handle different
1376 (hypot): Provide a fake for hypot which is broken on
1377 m88k-motorola-sysv3.
1379 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
1381 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
1382 tree_code_name from pointers to arrays.
1383 * tree.c: Remove standard_tree_code_* variables, no longer used.
1384 * print-tree.c: Remove declaration of tree_code_name.
1386 * cp/lex.c (init_lex): Update for tree_code_* changes.
1387 * objc/objc-act.c (init_objc): Likewise.
1389 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
1392 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
1394 * config.sub: Add support for BeOS target.
1395 * configure.in: Likewise.
1396 * ginclude/stdarg.h: Likewise.
1397 * ginclude/stddef.h: Likewise.
1398 * ginclude/varargs.h: Likewise.
1399 * rs6000/beos.h: New file for BeOS.
1400 * rs6000/t-beos: Likewise.
1401 * rs6000/x-beos: Likewise.
1402 * rs6000/xm-beos.h: Likewise.
1403 * toplev.c (get_run_time): Just return 0 on BeOS.
1405 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
1406 Toon Moene (toon@moene.indiv.nluug.nl)
1408 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
1409 old and broken Sun3 assemblers. Newer versions handle large
1410 offsets correctly as does the GNU assembler.
1412 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1414 * objc/objc-act.c (lang_report_error_function): Disable.
1415 * objc/objc-parse.y: Include "output.h".
1416 (yyerror): Remove redundant decl.
1417 (yyprint): Fix prototype.
1418 (apply_args_register_offset): Remove redundant decl.
1419 (get_file_function_name): Likewise.
1421 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
1423 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
1425 (find_basic_blocks_1): Likewise.
1427 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1429 * except.c (use_eh_context): Don't copy_rtx a REG.
1430 (emit_throw): Lose old unwinder support.
1431 (expand_internal_throw): Likewise.
1432 * libgcc2.c (struct eh_context): Likewise.
1433 (new_eh_context): Likewise.
1434 (__get_eh_info): Lose redundant cast.
1435 (__get_dynamic_handler_chain): Likewise.
1436 (__get_saved_pc): Lose.
1437 Lose all old unwinder support code.
1439 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
1441 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
1443 * integrate.c (expand_inline_function): If the inline fn uses eh
1444 context, make sure that the current fn has one.
1445 * toplev.c (rest_of_compilation): Call emit_eh_context.
1446 * except.c (use_eh_context): New fn.
1447 (get_eh_context_once): New fn.
1448 (call_get_eh_context): New fn.
1449 (emit_eh_context): New fn.
1450 (get_eh_context): Call either get_eh_context_once or
1451 call_get_eh_context, depending on what we have.
1452 (get_dynamic_handler_chain): Call get_eh_context_once.
1453 * except.h: Prototypes for fns above.
1454 * optabs.c (get_eh_context_libfunc): Removed.
1455 (init_optabs): Don't initialize it.
1456 * expr.h (get_eh_context_libfunc): Removed.
1457 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
1458 * config/pa/pa.h (CPP_SPEC): Support for -threads.
1459 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
1460 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
1461 New multilib for -threads.
1462 * config/sparc/t-sol2: Added multilibs for -threads and
1463 made -pthreads alias to it.
1464 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
1465 Added -threads and -pthreads options.
1466 * libgcc-thr.h: New file.
1467 * libgcc2.c: (__get_cpp_eh_context): Removed.
1468 (struct cpp_eh_context): Removed.
1469 (struct eh_context): Replaced cpp_eh_context with generic language
1471 (__get_eh_info): New function.
1472 (__throw): Check eh_context::info.
1474 * libgcc2.c: Include libgcc-thr.h.
1475 (new_eh_context, __get_eh_context,
1476 eh_pthread_initialize, eh_context_initialize, eh_context_static,
1477 eh_context_specific, eh_context_free): New functions.
1478 (get_eh_context, eh_context_key): New variables.
1479 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
1480 get_eh_context to get the context.
1481 (longjmp): Move the declaration inside
1482 #ifdef DONT_USE_BUILTIN_SETJMP.
1483 * frame.c: Include libgcc-thr.h.
1484 (object_mutex): Mutex to protect the object list.
1485 (find_fde, __register_frame, __register_frame_table,
1486 __deregister_frame): Hold the lock while accessing objects.
1487 * except.h (get_eh_context): Declare.
1488 * except.c (current_function_ehc): Define.
1489 (current_function_dhc, current_function_dcc): Removed.
1490 (get_eh_context): New function.
1491 (get_dynamic_handler_chain): Use get_eh_context.
1492 (get_saved_pc_ref): Ditto.
1493 (get_dynamic_cleanup_chain): Removed references to
1494 current_function_dcc.
1495 (save_eh_status, restore_eh_status): Save and restore
1496 current_function_ehc instead.
1497 * optabs.c (get_eh_context_libfunc): New variable.
1498 (init_optabs): Initialize it.
1499 * expr.h: Declare get_eh_context_libfunc.
1500 * function.h (struct function): Replaced dhc and dcc with ehc.
1501 * except.c (get_saved_pc_ref): New functions.
1502 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
1503 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
1505 (end_eh_unwinder): Likewise.
1506 (init_eh): Remove initialization of eh_saved_pc.
1507 * optabs.c (get_saved_pc_libfunc): New variable.
1508 (init_optabs): Initialize it.
1509 * expr.h: Declare get_saved_pc_libfunc.
1510 * except.h (eh_saved_pc_rtx): Deleted.
1511 (get_saved_pc_ref): Declared.
1513 From Scott Snyder <snyder@d0sgif.fnal.gov>:
1514 * libgcc2.c (__get_saved_pc): New.
1515 (__eh_type, __eh_pc): Deleted.
1516 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
1517 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
1520 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
1522 * sparc/sol2.h: Use 64 bit multiply and divide functions in
1523 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
1526 * rtl.h (global_rtl): New variable, replacing separate variables for
1528 (const_int_rtx): Now array of rtx_def, not rtx.
1529 * emit-rtl.c: Update for new rtl data structures.
1530 * genattrtab.c: Define global_rtl.
1532 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
1534 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
1537 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
1539 * crtstuff.c (__do_global_ctors): Fix typo.
1541 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
1543 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1544 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1546 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
1548 * rs6000.h (FUNCTION_ARG_PADDING): Define.
1549 * rs6000.c (function_arg_padding): New function.
1551 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
1553 * m68k.c: Include tree.h only once.
1555 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1557 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
1559 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
1561 * Partially cleaned up prototyping code from HJ.
1562 * tree.h: Add many prototypes.
1563 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
1564 All references changed.
1565 * rtl.h: Protect from multiple inclusions. Add many prototypes.
1567 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
1569 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
1570 string functions like strlen.
1572 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
1574 * configure.in: Check for functions getrlimit and setrlimit.
1575 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1576 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1578 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
1580 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
1582 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
1584 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
1587 * alpha.c (override_options): Don't know about scheduling for EV6.
1588 * alpha.md (ev5 function units): Don't overload as ev6.
1590 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
1591 * alpha.md (define_attr type): Add mvi.
1592 (ev5_e0): Define sceduling parameters for it.
1593 (TARGET_MAX insns): Type is mvi not shift.
1595 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
1597 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
1599 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1601 * cstamp-h, auto-config.h: Delete.
1603 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
1605 * version.c: Bump for snapshot.
1607 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
1609 * cccp.c: Fix typo brought over in merge.
1611 * Merge in changes from gcc-2.8.
1613 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
1615 * m68k.c: Include tree.h for dwarf2out_cfi_label.
1617 * gcc.c (process_command): Do not take address of function fatal when
1618 calling lang_specific_driver.
1620 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
1622 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
1623 doesn't work with it yet, so set it to 0.
1624 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
1626 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1628 * cse.c (cse_insn): Check for invalid entries when taking references.
1630 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1632 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
1633 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
1634 * toplev.c (rest_of_compilation): Pass it. Remove code to
1635 save / clear / restore flag_unroll_{,all_}loops.
1637 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1639 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
1641 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
1643 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
1645 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
1647 * except.c (get_dynamic_handler_chain): Only make the call once per
1650 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
1652 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1654 * sh.c (final_prescan_insn): Use local label prefix
1655 when emitting .uses pseudo-ops.
1657 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1659 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
1660 * except.c: Lose outer_context_label_stack.
1661 (expand_eh_region_end): Rethrow from outer_context here.
1662 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
1663 (expand_internal_throw): Take no args.
1664 (expand_internal_throw_indirect): Lose.
1665 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
1666 (expand_start_all_catch): Start a rethrow region.
1667 (expand_end_all_catch): End it.
1668 (expand_rethrow): New fn.
1669 * except.h: Reflect above changes.
1670 * flow.c: Revert change of Nov 27.
1672 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
1674 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
1676 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1678 * except.c (expand_fixup_region_end): New fn.
1679 (expand_fixup_region_start): Likewise.
1680 (expand_eh_region_start_tree): Store cleanup into finalization here.
1681 * stmt.c (expand_cleanups): Use them to protect fixups.
1683 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
1685 * mips/mips.md (muldi3_r4000): Broaden the output template
1686 and attribute assignments to handle three operand dmult;
1687 rename to muldi3_internal2.
1688 (muldi3): Call the new muldi3_internal2 for R4000, and
1689 any GENERATE_MULT3 chip.
1691 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1693 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
1695 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
1697 * unroll.c (find_splittable_givs): Remove last change. Handle givs
1698 with a dest_reg that was created by loop.
1700 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
1702 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
1704 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
1706 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
1708 * configure.in: Fix NCR entries.
1710 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
1712 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
1713 nested exceptions correctly.
1715 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
1716 that was created by loop.
1718 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1720 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
1722 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
1724 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
1726 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
1727 (print_operand): Use SMALL_DATA_REG for the register involved in
1728 small data relocations.
1729 (print_operand_address): Ditto.
1731 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
1732 -dynamic linker is not used.
1734 * rs6000.md (call insns): For local calls, use @local suffix under
1735 System V. Don't use @plt under Solaris.
1737 * rs6000.c (output_function_profiler): Put label address in r0, and
1738 store LR in 4(sp) for System V/eabi.
1740 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
1741 byte boundary, and maintain stack backchain.
1743 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1745 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1746 fix_truncsfdi2): Change *.
1748 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
1750 * toplev.c (main): Complain about -gdwarfn.
1752 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
1754 * dwarfout.c (output_type): If finalizing, write out nested types
1755 of types we've already written.
1757 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
1759 (patches originally from Geoffrey Keating)
1760 * rs6000.c (function_arg): Excess floating point arguments don't
1761 go into GPR registers after exhausting FP registers under the
1763 (function_arg_partial_nregs): Ditto.
1765 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
1768 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
1770 * integrate.c (output_inline_function): Just unset DECL_INLINE.
1772 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
1774 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
1777 * libgcc2.c (__throw): Initialize HANDLER.
1779 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1781 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1782 fix_truncsfdi2): Change *X to ?*X.
1784 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
1786 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
1788 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
1790 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
1792 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
1794 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
1796 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
1798 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
1799 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
1802 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
1804 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
1805 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
1806 gas and not using the new HP assembler.
1808 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
1810 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
1811 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
1813 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
1815 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
1816 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
1819 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1821 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
1823 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1825 * except.h: Add outer_context_label_stack.
1826 * except.c: Likewise.
1827 (expand_start_all_catch): Push the outer_context for the try block
1828 onto outer_context_label_stack.
1829 (expand_end_all_catch): Use it and pop it.
1831 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
1833 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
1835 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
1837 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
1839 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
1841 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
1842 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1844 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
1846 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
1847 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
1848 __builtin_delete, and __builtin_vec_delete.
1850 * except.c (output_exception_table): Don't bother with
1853 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
1855 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
1856 is an in/out operand.
1857 (zero extended variants of stwm/stwm patterns): Similarly.
1859 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
1861 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
1863 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
1865 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
1866 (output_call_frame_info): Emit a \n after using it.
1868 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
1870 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
1872 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
1874 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
1875 (ASM_OUTPUT_DWARF_VALUE4): New macro.
1876 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
1878 (output_call_frame_info): Do not output forward label differences
1879 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
1880 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
1882 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1884 * sh.md (attribute "type"): Add nil.
1885 (movsi_ie): y/y alternative is type nil.
1886 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
1888 (movsf_ie+1): Delete.
1890 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
1892 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
1893 large_int, emit two insns instead of one splitable insn.
1894 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
1895 from cfa_temp_value, use cfa_offset. Add assert checking that
1898 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
1900 * cccp.c (deps_output): Properly quote file names for make.
1902 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
1904 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
1906 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
1908 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
1910 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
1912 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
1914 (cse_end_of_basic_block): Similarly.
1916 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
1918 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
1919 (SELECT_RTX_SECTION): Define.
1920 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
1922 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
1924 * Makefile.in (compare, compare-lean): Define $stage for each
1926 (gnucompare, gnucompare-lean): Likewise.
1928 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
1930 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
1932 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
1933 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1935 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
1937 * dwarfout.c (byte_size_attribute): Add local var upper_bound
1938 and add case to handle STRING_TYPE.
1939 * dwarfout.c (output_string_type_die): Fix code to generate
1940 correct string length attribute for fixed length strings.
1941 Still needs support for varying length strings.
1943 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
1945 * toplev.c (get_run_time): Do something sensible for cygwin32.
1947 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
1949 * expr.c (expand_builtin_setjmp): Set
1950 current_function_has_nonlocal_label.
1951 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
1952 call-saved registers across calls.
1954 * alpha.md (exception_receiver): Remove.
1955 (nonlocal_goto_receiver_osf): New
1956 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
1957 (nonlocal_goto_receiver): New, select _osf or _vms.
1959 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
1960 keep them from being propogated to the object file.
1961 (alpha_write_linkage): Likewise.
1962 * alpha.md (call_vms): Likewise.
1963 (call_value_vms): Likewise.
1964 (unnamed osf call insns): Likewise.
1966 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
1967 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1969 * alpha.c (call_operand): Any reg is valid for WinNT.
1970 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
1971 (anon nt calls): Add 'R' alternative.
1972 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
1973 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
1975 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
1977 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
1979 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
1980 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1981 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1983 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
1985 * reload1.c (new_spill_reg): Improve fixed or forbidden register
1986 spill error message.
1988 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1990 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
1991 use varargs.h. Wrap header with <>, not "".
1993 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
1995 * integrate.c (save_for_inline_copying): Add return value from
1998 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
2000 * fixincludes: Be a little more restrictive on what we will
2001 substitute to replace definitions of MAXINT for HPUX.
2003 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
2005 * dbxout.c (dbxout_symbol_location): Don't assume that variables
2006 whose address is the stack or argument pointers are indirect
2009 1997-11-13 Paul Eggert <eggert@twinsun.com>
2011 * cccp.c, cpplib.c (compare_defs):
2012 Don't complain about arg name respellings unless pedantic.
2013 * cpplib.c (compare_defs): Accept pfile as new arg.
2014 All callers changed.
2016 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2018 * fold-const.c (fold_truthop): Fix bug in last change.
2020 1997-11-13 Paul Eggert <eggert@twinsun.com>
2022 Fix some confusion with IEEE minus zero.
2024 * real.h (REAL_VALUES_IDENTICAL): New macro.
2026 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
2027 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
2029 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
2030 same tree structure as 0.0.
2032 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
2033 macro instead of doing it by hand.
2035 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
2037 * v850/lib1funcs.asm: Minor whitespace changes.
2038 * v850.c: Fix minor formatting problems in many places.
2039 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
2041 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
2043 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
2044 xplus1 when xplus0 is not a register.
2046 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
2048 * flow.c (find_basic_blocks): During marking phase, if we encounter
2049 an insn with a REG_LABEL note, make the target block live and
2050 create an edge from the insn to the target block. Do not make
2051 edges from all blocks to the target block.
2053 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
2055 * confiugre.in: Tweak NCR entries.
2056 * configure: Rebuilt.
2058 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
2060 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
2061 pick apart floating point values, instead of using CONST_DOUBLE_LOW
2062 and CONST_DOUBLE_HIGH.
2064 * rs6000.md (define_splits for DF constants): Use the appropriate
2065 REAL_VALUE_* interface to pick apart DF floating point constants in
2066 a machine independent fashion.
2068 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2070 * fold-const.c (fold_truthop): When changing a one-bit comparison
2071 against zero into a comparison against mask, do a proper sign
2074 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
2076 * except.c: Do not include "assert.h".
2077 (save_eh_status): Turn asserts into conditional aborts.
2078 (restore_eh_status, scan_region): Likewise.
2079 * dwarfout.c: Do not include "assert.h".
2080 (bit_offset_attribute): Turn asserts into conditional aborts.
2081 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
2082 (output_inlined_structure_type_die): Likewise.
2083 (output_inlined_union_type_die): Likewise
2084 (output_tagged_type_instantiation): Likewise.
2085 (dwarfout_file_scope_decl): Likewise.
2086 * dwarf2out.c: Do not include "assert.h"
2087 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
2088 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
2089 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
2090 (add_bit_size_attribute, scope_die_for): Likewise.
2091 (output_pending_types_for_scope): Likewise.
2092 (get_inlined_enumeration_type_die): Likewise.
2093 (get_inlined_structure_type_die): Likewise.
2094 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
2095 (gen_tagged_type_instantiation_die): Likewise.
2097 * flow.c (find_basic_blocks): Refine further to get a more correct
2098 cfg, especially in the presense of exception handling, computed
2099 gotos, and other non-trivial cases. Call abort if an inaccuracy
2100 is detected in the cfg.
2102 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2104 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
2106 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
2107 (skip_white_space): Use whitespace_cr.
2108 (check_newline): Handle whitespace more consistently.
2110 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
2112 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
2113 * i386/xm-cygwin32.h (POSIX): Define.
2115 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
2117 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
2118 is available elsewhere.
2120 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
2122 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
2123 what the instruction can handle.
2125 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
2127 * stmt.c (expand_decl_cleanup_no_eh): New fn.
2129 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
2131 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
2133 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
2134 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
2136 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
2138 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
2139 swap instruction order.
2141 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
2143 * fixinc.svr4 (__STDC__): Add another case.
2145 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2147 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
2148 addresses in the epilogue delay slot.
2150 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
2152 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
2153 in generated `specs' file.
2155 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
2157 * flags.h (flag_rerun_loop_opt): Declare.
2158 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
2159 * toplev.c (flag_rerum_loop_opt): Delete static.
2161 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2163 Bring over from FSF:
2165 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2167 * va-sh.h (__va_arg_sh1): Define.
2169 SH3E doesn't use any integer registers for subsequent arguments
2170 once a non-float value was passed in the stack.
2171 * sh.c (machine_dependent_reorg): If optimizing, put explicit
2172 alignment in front label for ADDR_DIFF_VEC.
2173 * sh.h (PASS_IN_REG_P): Fix SH3E case.
2174 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
2176 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2178 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
2181 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2183 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
2184 put an use_sfunc_addr before each sfunc.
2185 * sh.md (use_sfunc_addr, dummy_jump): New insns.
2186 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
2188 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2190 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
2192 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
2194 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
2197 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
2199 * alias.c (find_base_value): Only return the known base value for
2202 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
2204 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
2205 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
2207 (prologue_get_pc_and_set_got): New pattern.
2209 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
2211 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
2212 for SUBREG, just fall through.
2214 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
2216 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
2218 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
2220 * fixincludes: Fix "hypot" prototype in NeXT math.h.
2222 * Makefile.in (USE_ALLOCA): Always include alloca.o.
2223 (USE_HOST_ALLOCA): Likewise.
2225 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
2226 and LABEL_REFS fields.
2227 * rtl.h (LABEL_REFS): Update.
2229 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
2231 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
2232 sets i2dest. When calling distribute_notes for i3dest_killed, pass
2233 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
2236 * mips.md (insv, extzv, extv): Add change_address call.
2237 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
2239 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
2241 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
2243 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
2244 save_restore_insns if no FP and GP will be restored.
2246 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
2247 Convert CCmode to word_mode before calling GET_MODE_SIZE.
2249 * acconfig.h (HAVE_INTTYPES_H): Undef.
2250 * configure.in (inttypes.h): Check for conflicts between sys/types.h
2251 and inttypes.h, and verify that intmax_t is defined.
2252 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
2253 * config/mips/x-iris3: Likewise.
2255 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
2257 * alias.c (find_base_value): When copying arguments, return the
2258 tenative value for a hard register.
2260 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
2262 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
2263 (yylex): Record wide strings using target endianness, not host.
2265 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
2267 * mn10200.h (ASM_OUTPUT_BSS): Delete.
2268 (ASM_OUTPUT_ALIGNED_BSS): New macro
2269 * mn10300.h (ASM_OUTPUT_BSS): Delete.
2270 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2271 * v850.h (ASM_OUTPUT_BSS): Delete.
2272 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2274 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2276 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
2278 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
2280 * configure.in (sco5): Use cpio to install header files.
2282 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
2284 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
2286 * configure: Rebuild.
2288 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
2290 * i386/sco5.h: enable -gstabs once again.
2292 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
2294 * arm.c (output_move_double): Allocate 3 entries in otherops array.
2296 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
2298 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
2299 notes for sjlj exceptions too.
2300 (expand_eh_region_end): Similarly for EH_REGION_END notes.
2301 (exception_optimize): Optimize EH regions for sjlj exceptions too.
2302 * final.c (final_scan_insn): Don't output labels for EH REGION
2303 notes if doing sjlj exceptions.
2305 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
2307 * alias.c (init_alias_analysis): Handle -fno-alias-check when
2308 optimizing correctly.
2310 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
2311 or set current_function_calls_setjmp anymore.
2313 * flow.c (find_basic_blocks): If we delete the label for an
2314 exception handler, remove it from the EH label list and remove
2315 the EH_BEGIN/EH_END notes for that EH region.
2317 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
2319 * flow.c (find_basic_blocks): Generate correct flow control
2320 information when exception handling notes are present.
2322 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
2324 * dwarf2out.c (output_call_frame_info): Fix length argument
2325 to ASM_OUTPUT_ASCII.
2326 (output_die, output_pubnames, output_line_info): Likewise.
2328 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
2330 * version.c: Bump for snapshot.
2332 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
2333 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
2334 flag_debug_asm is on.
2335 (output_die, output_pubnames, output_line_info): Likewise.
2337 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
2338 and static_chain_rtx into the potential base values array if
2341 * alias.c (new_reg_base_value): New array of potential base values.
2342 (unique_id): Now file scoped static.
2343 (find_base_value, case REG): Return the value in reg_base_value
2344 array for the REG if it exists. Else, return the value from
2345 new_reg_base_value if copying args and REG is a hard register.
2346 (find_base_value, case PLUS): If either operand of the PLUS is
2347 a REG, try to get its base value. Handle base + index and
2349 (record_set): Use new_reg_base_value instead of reg_base_value.
2350 (init_alias_analysis): Allocate space for new_reg_base_value too.
2351 Rework code to iterate over the insns propagating base value
2352 information until nothing changes.
2354 * global.c (global_alloc): Free the conflict matrix after
2355 reload has finished.
2357 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
2359 * libgcc2.c (L_eh): Define __eh_pc.
2360 Replace __eh_type with generic pointer __eh_info.
2362 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
2364 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
2365 use copy_to_reg if address is not a general_operand.
2367 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2369 * profile.c (output_func_start_profiler): Clear flag_inline_functions
2370 for the duration of the call to rest_of_compilation.
2372 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
2374 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
2376 (sparc*-*-*): Recognize --with-cpu=v9.
2377 * sparc/elf.h: New file.
2378 * sparc/t-elf: New file.
2380 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
2382 * mn10300.c (const_8bit_operand): New function.
2383 (mask_ok_for_mem_btst): New funtion.
2384 * mn10300.md (btst patterns with mem operands): Use new functions
2385 to avoid creating btst instructions with invalid operands.
2387 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
2389 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
2390 are running on PowerPC Linux.
2392 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
2394 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
2395 if not previously defined.
2397 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
2399 * function.c (assign_parms): Correct mode of stack_parm if
2400 entry_parm underwent a mode conversion.
2402 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
2404 * global.c (global_alloc): Use xmalloc instead of alloca for
2405 CONFLICTS, since max_allocno * allocno_row_words alone can be more
2406 than 2.5Mb sometimes.
2408 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
2410 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
2411 DEST for the spill, adjust mode of SRC to compensate.
2413 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
2415 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
2416 since any_memory_operand() allows pseudos during reload.
2417 (reload_inhi, reload_outqi, reload_outhi): Likewise.
2419 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
2421 * m68k.md (btst patterns): Add 5200 support.
2423 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2425 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
2426 optimizations, look inside dividend to determine if the expression
2427 can be simplified by using EXACT_DIV_EXPR.
2429 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
2432 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
2434 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
2436 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
2438 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
2440 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
2443 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
2445 * alpha.md (movqi, movhi): Make sure new insns created during reload
2446 won't need reloading themselves.
2447 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
2449 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
2451 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
2453 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
2455 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
2456 Patch from Klaus Kaempf <kkaempf@progis.de>.
2458 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
2460 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
2461 to an element in a constant string.
2463 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
2465 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
2466 bit PC-relative offset. The exception range table pointer is now in
2468 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
2469 (count_fdes, add_fdes, get_cie): Adjust.
2470 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
2473 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
2475 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
2477 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
2478 like stack_pointer_rtx.
2480 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
2482 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
2483 targets using "$@" to provide support for similar but not identical
2484 targets without having to duplicate code.
2485 (bootstrap4): New goal.
2487 * Makefile.in (compare, compare-lean, compare3): Combined to one
2488 ruleset determining actions to be performed via $@.
2489 (compare4, compare4-lean): New targets.
2490 (gnucompare, gnucompare3): Combined to one ruleset determining
2491 actions to be performed via $@. Also, note which files failed
2492 the comparison test in .bad_compare.
2493 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
2495 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2497 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
2498 if the dividend is a multiple of the divisor.
2500 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
2502 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
2504 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
2507 * alias.c (true_dependence): Fix typo.
2509 * toplev.c (flag_rerun_loop_opt): New variable.
2510 (f_options): Handle -frerun-loop-opt.
2511 (rest_of_compilation): If -frerun-loop-opt, then run the loop
2513 (main): Enable -frerun-loop-opt by default for -O2 or greater.
2515 * loop.c (simplify_giv_expr): Adding two invariants results
2518 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
2520 * expr.c (get_inner_reference): Remove the array bias after
2521 converting the index to Pmode.
2523 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
2525 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
2526 (TARGET_MULT_BUG): Define.
2527 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
2528 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
2530 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
2532 * mn10200.c (indirect_memory_operand): Delete unused function.
2533 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
2534 * mn10200.md (bset, bclr insns): Handle output in a reg too.
2536 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
2538 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
2539 the callee's ldgp, we must do it ourselves, and we use the jsr tag
2540 for more than scheduling.
2542 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
2544 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
2546 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
2548 * mn10300.c (symbolic_operand, legitimize_address): New functions.
2549 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
2550 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
2552 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
2554 * version.c: Bump for snapshot.
2556 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2558 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
2561 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
2563 * toplev.c (flag_exceptions): Default value is 2.
2564 (compile_file): If flag_exceptions still has the value 2, then
2567 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
2568 (rs6000_save_machine_status): Save pic_offset_table_rtx.
2569 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
2571 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
2574 * rs6000.md (*movsi_got_internal_mem): New pattern.
2575 (*movsi_got_internal_mem splitter): New define_split.
2577 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
2579 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
2581 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2583 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
2584 only need to save LR.
2586 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
2588 * mn10300.md (movqi, movhi): Avoid using address registers as
2589 destinations unless absolutely necessary.
2591 * mn10200.c (expand_prologue): Fix typo.
2593 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
2595 * mn10200.md (neghi2): Provide an alternative which works if
2596 the input and output register are the same.
2598 * mn10300.c (print_operand): Handle 'S'.
2599 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
2600 shift amount in last alternative
2602 * mn10300.c (expand_epilogue): Rework to handle register restores
2603 in "ret" and "retf" instructions correctly.
2605 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
2607 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
2608 extzv for memory operands.
2610 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
2611 redundant conditional moves to single operand.
2613 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
2615 * v850.h: Move define of __v850__ from CPP_PREDEFINES
2618 * xm-v850.h: Use __v850 rather than __v850__ to
2621 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
2623 * mips/mips.c (compute_frame_size): Not a leaf function if
2626 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2628 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
2630 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
2632 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
2633 (DEFAULT_ARCH32_P): New macro.
2634 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
2635 (enum cmodel): Declare.
2636 (sparc_cmodel_string,sparc_cmodel): Declare.
2637 (SPARC_DEFAULT_CMODEL): Provide default.
2638 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
2639 (TARGET_FULLANY): Deleted.
2640 (TARGET_CM_MEDMID): New macro.
2641 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
2642 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2643 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
2644 (CPP_SPEC): Rewrite.
2645 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2646 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
2647 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2648 (ASM_SPEC): Add %(asm_arch).
2649 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
2650 Rename asm_default to asm_cpu_default.
2651 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
2652 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
2653 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
2654 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
2655 (MASK_INT64,MASK_LONG64): Delete.
2656 (MASK_ARCH64): Renamed to MASK_64BIT.
2657 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
2658 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
2659 (TARGET_SWITCHES): Always provide 64 bit options.
2660 (ARCH64_SWITCHES): Delete.
2661 (TARGET_OPTIONS): New option -mcmodel=.
2662 (INT_TYPE_SIZE): Always 32.
2663 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
2664 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
2665 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
2666 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
2667 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
2669 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2670 * sparc/linux.h: Likewise.
2671 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
2672 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2673 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
2674 (SPARC_DEFAULT_CMODEL): Define.
2675 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2676 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2677 (LONG_DOUBLE_TYPE_SIZE): Define.
2678 (ASM_SPEC): Add %(asm_arch).
2679 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2680 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2681 (TARGET_CPU_DEFAULT): Add ultrasparc case.
2682 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
2683 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
2684 (SPARC_DEFAULT_CMODEL): Define.
2685 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
2686 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
2687 MASK_LONG64, MASK_MEDANY.
2688 (SPARC_DEFAULT_CMODEL): Define.
2689 (CPP_PREDEFINES): Delete.
2690 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2691 (ASM_SPEC): Add %(asm_arch).
2692 (LONG_DOUBLE_TYPE_SIZE): Define.
2693 (DWARF2_DEBUGGING_INFO): Define.
2694 * sparc/splet.h (CPP_SPEC): Delete.
2695 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2696 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
2697 (BLOCK_PROFILER): Likewise.
2698 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
2699 (sparc_override_options): Handle code model selection.
2700 (sparc_init_expanders): Renamed from sparc64_init_expanders.
2701 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
2702 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
2703 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
2704 (sethi_di_fullany): Delete.
2706 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
2707 Jeff Law <law@cygnus.com>
2708 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2710 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
2711 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
2712 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
2713 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
2714 * alpha/alpha.md (arg_home): Likewise.
2716 * alpha/alpha.c (vmskrunch): Delete
2717 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
2718 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
2719 truncate to 64 characters.
2721 * make-l2.com: Support openVMS/Alpha.
2723 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
2725 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2727 * longlong.h (count_leading_zeros): Add missing casts to USItype.
2729 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
2731 * i386/bsd386.h (ASM_COMMENT_START): Define.
2733 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2735 * tree.c (restore_tree_status): Also free up temporary storage
2736 when we finish a toplevel function.
2737 (dump_tree_statistics): Print stats for backend obstacks.
2739 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
2741 * expr.c (use_group_regs): Don't call use_reg for MEMs.
2743 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
2745 * libgcc2.c (__throw): Don't copy the return address.
2746 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
2748 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
2749 * toplev.c (main): Initialize exceptions_via_longjmp.
2751 * tree.c: Add extra_inline_obstacks.
2752 (save_tree_status): Use it.
2753 (restore_tree_status): If this is a toplevel inline obstack and we
2754 didn't want to save anything on it, recycle it.
2755 (print_inline_obstack_statistics): New fn.
2756 * function.c (pop_function_context_from): Pass context to
2757 restore_tree_status.
2758 * obstack.h (obstack_empty_p): New macro.
2760 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
2762 * i386/freebsd.h (ASM_COMMENT_START): Fix.
2764 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
2766 * v850.c (ep_memory_offset): New function.
2767 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
2769 * v850.h (CONST_OK_FOR_*): Add and correct comments.
2770 (CONSTANT_ADDRESS_P): Add comment.
2771 (EXTRA_CONSTRAINT): Define 'U'.
2772 * v850.md: Add comments on bit field instructions.
2773 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
2774 (lshrsi3): Use N not J constraint.
2776 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
2778 * v850.c (reg_or_0_operand): Call register_operand.
2779 (reg_or_int5_operand): Likewise.
2780 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
2781 (TARGET_SWITCHES): Add "big-switch".
2782 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
2783 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
2784 (CASE_DROPS_THROUGH): Comment out.
2785 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
2786 * v850.md (cmpsi): Delete compare mode.
2787 (casesi): New pattern.
2789 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
2790 * v850.md (ashlsi3): Use SImode not QImode for shift count.
2791 (lshrsi3): Likewise.
2793 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
2794 unreachable switch statement after 'b' support. Remove "b" from
2795 strings for 'b' support.
2796 * v850.md (branch_normal, branch_invert): Change %b to b%b.
2798 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
2800 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
2801 empty line if @inhibit_libc@ is empty.
2803 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
2805 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
2806 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
2807 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2808 (DWARF2_UNWIND_INFO): Let this track object file format.
2809 (EXTRA_SECTIONS): Add in_eh.
2810 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
2811 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2813 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
2815 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
2816 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
2818 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
2819 (output_double_int): Output DI mode values correctly when
2820 HOST_BITS_PER_WIDE_INT is 64.
2821 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
2822 fmovd so it works if a quad float ends up in one of the upper 32
2824 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
2825 necessary for PIC support on sparc64.
2827 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
2829 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
2830 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
2831 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
2832 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
2833 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
2834 (SPARC_FP_ARG_FIRST): New macro.
2835 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
2836 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
2837 (NPARM_REGS): There are 32 fp argument registers now.
2838 (FUNCTION_ARG_REGNO_P): Likewise.
2839 (FIRST_PARM_OFFSET): Update to new v9 abi.
2840 (REG_PARM_STACK_SPACE): Define for arch64.
2841 (enum sparc_arg_class): Delete.
2842 (sparc_arg_count,sparc_n_named_args): Delete.
2843 (struct sparc_args): Redefine and use for arch32 as well as arch64.
2844 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
2845 (FUNCTION_ARG_ADVANCE): Rewrite.
2846 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
2847 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
2848 (FUNCTION_ARG_CALLEE_COPIES): Delete.
2849 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
2850 (STRICT_ARGUMENT_NAMING): Define.
2851 (doublemove_string): Declare.
2852 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
2853 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
2854 (doublemove_string): New function.
2855 (output_move_quad): Clean up some of the arch64 support.
2856 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
2857 Don't add 8 bytes of reserved space if arch64.
2858 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
2859 (init_cumulative_args): New function.
2860 (function_arg_slotno): New static function.
2861 (function_arg,function_arg_partial_nregs): New functions.
2862 (function_arg_{pass_by_reference,advance}): New functions.
2863 (function_arg_padding): New function.
2864 * ginclude/va-sparc.h: Rewrite v9 support.
2866 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2868 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
2869 for hard regs to determine base and index registers.
2871 * reload.c (debug_reload_to_stream): New function. Specify stream
2872 into which to write debug info.
2873 (debug_reload): Modify to call debug_reload_to_stream with stderr.
2875 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
2877 * combine.c (can_combine_p): Don't combine with an asm whose
2878 output is a hard register.
2880 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
2882 * c-decl.c (start_struct): Ensure that structs with forward
2883 declarations are in fact packed when -fpack-struct is given.
2885 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
2886 we are packing a structure. This allows a structure with only
2887 bytes to be aligned on a byte boundary and have no padding on a
2890 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2892 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
2894 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
2896 * alpha.c (alpha_return_addr_rtx): New variable.
2897 (alpha_save_machine_status): New; save it.
2898 (alpha_restore_machine_status): New; restore it.
2899 (alpha_init_expanders): New; clear it.
2900 (alpha_return_addr): New; set it.
2901 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
2902 is overly conservative, so search the insns explicitly.
2903 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
2904 (alpha_sa_size [VMS && !VMS]): Likewise.
2905 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
2906 (INIT_EXPANDERS): New definition.
2908 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
2909 (output_prolog [!VMS]): Use them.
2911 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
2912 (alpha_does_function_need_gp): ... a new function. Refine the
2913 CALL_INSN test to just TYPE_JSR.
2914 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
2916 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
2918 * version.c: Bump for snapshot.
2920 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2922 * pa.c (move_operand): Respect -mdisable-indexing.
2923 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
2925 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
2927 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
2929 (umulsidi3,umulsi3_highpart): Ditto.
2930 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
2932 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
2934 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
2935 (alpha_handle_trap_shadows): ... a new function. Handle the entire
2936 function in one go. Emit RTL for trapb, instead of printf directly.
2937 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
2938 (trap_pending): Kill global variable.
2939 (output_epilog): Don't call final_prescan_insn.
2940 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
2941 * alpha.h (FINAL_PRESCAN_INSN): Remove.
2942 (MACHINE_DEPENENT_REORG): Define.
2943 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
2946 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
2948 Tune Haifa scheduler for Alpha:
2949 * alpha.h (ISSUE_RATE): Define.
2950 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
2951 EV4 adjustments to EV5.
2952 * alpha.md: Remove all scaling from function unit delays. Rework
2953 EV5 function units to match the CPU.
2954 (umuldi3_highpart): EV5 added the IMULH insn class.
2956 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
2958 * pa.c (following_call): Fail if the CALL_INSN is an indirect
2961 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
2963 * cplus-dem.c (demangle_signature): Don't look for return types on
2964 constructors. Handle member template constructors.
2966 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
2968 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
2969 * tree.h: Declare them.
2971 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
2973 * configure.in: Handle --with-newlib.
2974 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
2976 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
2978 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
2980 * config/ptx4.h: Fix typo.
2982 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
2984 * version.c: Bump for snapshot.
2986 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
2988 * aclocal.m4: Substitute INSTALL.
2989 * configure: Re-built.
2991 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
2993 * integrate.c (save_for_inline_copying): Avoid undefined pointer
2995 (expand_inline_function): Likewise.
2997 * dwarf2out.c (output_call_frame_info): Reinstate last change
2998 using flag_debug_asm check instead of flag_verbose_asm.
3000 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
3002 * dwarf2out.c (output_call_frame_info): Remove last change.
3004 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3006 * frame.c (__frame_state_for): Execute the FDE insns until the
3007 current pc value is strictly bigger than the target pc value.
3009 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
3011 * regclass.c (init_reg_modes): If we can't find a mode for the
3012 register, use the previous one.
3014 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
3016 * haifa-sched.c (print_block_visualization): Call fprintf directly,
3017 don't sprintf through an alloca'ed buffer.
3019 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
3021 * reload.c (decompose): Always initialize val.base.
3023 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3025 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
3026 instead of aborting.
3027 * dwarf2out.c (output_call_frame_info): Call app_enable and
3028 app_disable to let GNU as accept the generated comments.
3030 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
3032 * tree.h (get_file_function_name): Add declaration.
3033 * dwarf2out.c (output_call_frame_info): No need to cast
3034 get_file_function_name call anymore.
3035 * profile.c (toplevel): Remove get_file_function_name
3037 * c-lang.c (finish_file): Ditto.
3039 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
3041 * Makefile.in (program_transform_name): Let autoconf substitute
3044 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
3046 * haifa-sched.c (schedule_block): If the first real insn in a
3047 block has any special notes attached to it, remove them.
3049 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
3051 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
3053 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3055 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
3057 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
3059 * Makefile.in (check-g77): New test target.
3060 (CHECK-TARGETS): Add check-g77.
3062 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3064 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
3066 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
3068 * flow.c (print_rtl_with_bb): Cast alloca return value for
3071 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
3073 * i386.h (RETURN_ADDR_RTX): New definition that works for
3074 __builtin_return_address(0) and -fomit-frame-pointer.
3076 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
3078 Bring over from FSF.
3079 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
3081 * mips.c (function_arg): Handle passing a struct
3082 containing a double in a DFmode register without the PARALLEL.
3084 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
3086 * pexecute.c: Use spawn if __CYGWIN32__.
3088 * pexecute.c: Include "config.h" first, as per autoconf manual
3089 (from Paul Eggert <eggert@twinsun.com>).
3091 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3093 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
3094 optimisation for f/expr.o and f/stb.o.
3096 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
3098 * cse.c (this_insn_cc0_mode): Initialize.
3100 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
3102 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
3104 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
3106 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
3108 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
3109 that pair will dual-issue on the 21164 and plus+beq won't.
3110 (bne): Likewise for cmpeq+beq.
3112 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
3114 * except.c (find_exception_handler_labels): Correct argument to free.
3116 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
3118 * except.c (find_exception_handler_labels): Free LABELS when we're
3121 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
3123 * version.c: Bump for snapshot.
3125 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3127 * flow.c (find_basic_blocks): Mark calls as potentially jumping
3130 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
3132 * configure.in: Substitute for "install" too.
3133 * configure: Rebuilt.
3135 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
3137 * Makefile.in (bootstrap-lean, compare-lean): New targets.
3139 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
3141 * alias.c (base_alias_check): Two symbols can conflict if they
3142 are accessed via AND.
3143 (memrefs_conflict_p): Likewise.
3145 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
3146 after flushing argument registers to the stack.
3148 * Makefile.in (mostlyclean): Remove .regmove files.
3150 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3152 * libgcc2.c (__throw): Fix thinko.
3154 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
3156 * cplus-dem.c (demangle_template): Add new parameter. Handle new
3157 template-function mangling.
3158 (consume_count_with_underscores): New function.
3159 (demangle_signature): Handle new name-mangling scheme.
3161 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3163 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
3166 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
3168 * frame.c: Remove last change.
3169 * dwarf2.h: Remove last change.
3170 * tree.h: Add declarations of DWARF2 unwind info support
3173 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3175 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
3176 * tree.h (built_in_function): Likewise.
3177 * expr.c (expand_builtin): Likewise.
3178 * except.h: Likewise.
3179 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
3180 * libgcc2.c (copy_reg): New fn.
3183 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
3185 * c-typeck.c (build_binary_op): Warn about comparing signed vs
3186 unsigned if -W is specified and -Wno-sign-compare is not.
3187 * c-decl.c (warn_sign_compare): Initialize to -1.
3188 (c_decode_option): -Wall no longer implies -Wsign-compare.
3190 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3192 * frame.c: Include gansidecl.h for PROTO.
3193 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
3194 defined. Don't declare dwarf2out_cfi_label here.
3195 * dwarf2.h: Add declarations of DWARF2 unwind info support
3197 * m68k.c: Include dwarf2.h.
3198 (output_function_prologue): Add dwarf2 support.
3199 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
3200 (INCOMING_FRAME_SP_OFFSET): Likewise.
3202 * integrate.c (expand_inline_function): Make sure there is at
3203 least one insn that can be used as an insertion point.
3205 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3207 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
3209 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
3211 * version.c: Bump for snapshot.
3213 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
3215 Bring over from FSF.
3217 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
3219 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
3220 (get_pc_via_rdpc): Renamed from get_pc_sp64.
3221 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
3223 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
3225 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
3226 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
3228 (sparc_align_{loops,jumps,funcs}_string): Declare.
3229 (sparc_align_{loops,jumps,funcs}): Declare.
3230 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
3231 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
3232 (STACK_BIAS): Define.
3233 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
3235 (SPARC_SETHI_P): New macro.
3236 (CONST_OK_FOR_LETTER_P): Use it.
3237 (ASM_OUTPUT_ALIGN_CODE): Define.
3238 (ASM_OUTPUT_LOOP_ALIGN): Define.
3239 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
3240 (sparc_align_{loops,jumps,funcs}): New globals.
3241 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
3243 (move_operand): Use SPARC_SETHI_P.
3244 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
3246 (arith11_double_operand): Likewise.
3247 (arith10_double_operand): Likewise.
3248 (finalize_pic): Finish sparc64 support.
3249 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
3250 64 bit constants if able.
3251 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
3252 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
3254 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
3255 (get_pc_sp32): Use for sparc64 as well.
3256 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
3257 (sethi_di_sp64_const): Likewise.
3258 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
3259 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
3260 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
3262 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
3264 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
3265 * sparc/linux.h (COMMENT_BEGIN): Likewise.
3266 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
3268 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
3270 Add sparc64 linux support.
3271 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
3272 to xm_file list on 32-bit sparc-linux.
3273 * sparc/xm-sp64.h: New file.
3274 * sparc/linux64.h: New file.
3275 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
3276 Don't include xm-sparc.h.
3277 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
3278 * glimits.h (LONG_MAX): Handle sparc64.
3280 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
3282 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
3283 * sparc.h (ASM_COMMENT_START): Define.
3284 * sparc.c (output_function_prologue): Use it.
3285 (sparc_flat_output_function_{epi,pro}logue): Likewise.
3287 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
3289 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
3290 use sparc.h's copies.
3291 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
3294 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3296 * sparc.c (dwarf2out_cfi_label): Add declaration.
3297 (save_regs, output_function_prologue): Remove cast for it.
3298 (sparc_flat_{save_restore,output_function_prologue): Likewise.
3299 ({save,restore}_regs): No longer inline.
3301 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3303 * fold-const.c (make_range): Correctly handle cases of converting
3304 from unsigned to signed type.
3306 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3308 * fold-const.c (merge_ranges): Make sure that if one range is subset
3309 of another, it will always be the second range. Correct (+,-) case to
3312 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3314 * final.c (final_end_function): Also do dwarf2 thing if
3315 DWARF2_DEBUGGING_INFO.
3316 (final_start_function): Likewise.
3318 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
3320 * expmed.c (expand_divmod): If compute_mode is not the same as
3321 mode, handle the case where convert_modes() causes op1 to no
3322 longer be a CONST_INT.
3324 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
3325 note holding get_jump_flags() calculation to all JUMP_INSNs.
3326 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
3327 * rtl.c (reg_note_name): Add new note types.
3329 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
3331 * rtlanal.c (computed_jump_p): Fix typo in last change.
3333 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3335 * loop.c (indirect_jump_in_function_p): Return 0
3338 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
3340 * rs6000/xm-rs6000.h: Fix thinko in last change.
3341 * rs6000/xm-sysv4.h: Likewise.
3343 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
3345 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
3347 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
3349 * reg-stack.c (find_blocks): Fix thinko in last change.
3351 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3353 * m68k.c (output_function_prologue): Add dwarf2 support.
3355 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
3356 INCOMING_FRAME_SP_OFFSET): New definitions.
3358 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3360 * combine.c (try_combine): Use NULL_RTX instead of '0' where
3361 appropriate in calls to gen_rtx().
3362 * cse.c (cse_main): Likewise.
3363 * emit-rtl.c (gen_label_rtx): Likewise.
3364 * expr.c (init_expr_once): Likewise.
3365 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
3366 sched_analyze, init_rgn_data_dependences,
3367 compute_block_backward_dependences): Likewise.
3368 * sched.c (schedule_insns): Likewise.
3369 * varasm.c (immed_double_const): Likewise.
3371 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
3372 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
3374 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
3376 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
3377 (MULTILIB_DEFAULTS): Define.
3378 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
3379 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
3380 (LIBGCC_SPEC): Likewise.
3381 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
3382 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
3383 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
3384 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
3385 (EXTRA_PARTS, TAROUTOPTS): Delete.
3386 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
3387 (MULTILIB_OPTIONS): Define.
3388 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
3389 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
3391 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
3393 * version.c: Bump for snapshot.
3395 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
3397 * loop.c (loop_number): Delete function. Change all references
3398 to use uid_loop_num array.
3399 * loop.h (loop_number): Delete declaration.
3400 * unroll.c (unroll_loop): Change "loop_number" references to
3401 use uid_loop_num instead.
3403 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
3405 (loop_unroll_iter): Remove unused variable and all references.
3406 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
3407 (insert_bct): Fix minor formatting problems.
3408 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
3409 (loop_unroll_iter): Removed unused decl.
3410 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
3411 Always record the unrolling factor.
3413 * cse.c (simplify_relational_operation): Set h0u just like h0s.
3414 Similarly for h1u and h1s.
3416 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
3417 (find_basic_blocks): Use computed_jump_p to determine if a
3418 particular JUMP_INSN is a computed jump.
3419 * reg-stack.c (find_blocks): Use computed_jump_p to determine
3420 if a particular JUMP_INSN is a computed jump.
3421 * rtlanal.c (jmp_uses_reg_or_mem): New function.
3422 (computed_jump_p): Likewise.
3423 * rtl.h (computed_jump_p): Declare.
3424 * genattrtab.c (pc_rtx): Define and initialize.
3425 * loop.c (loop_optimize): Always determine if the current
3426 function has a computed jump.
3427 (indirect_jump_in_function_p): Use computed_jump_p to determine
3428 if a particular JUMP_INSN is a computed jump.
3430 * loop.c (fix_bct_param): Delete unused function.
3431 (check_bct_param): Likewise.
3433 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3435 * frame.c (__deregister_frame): Check properly for initialized object.
3437 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3439 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
3441 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3443 * jump.c (thread_jumps): check can_reverse_comparison_p before
3444 threading a reversed-condition jump.
3446 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
3447 * haifa-sched.c (update_flow_info): Likewise.
3449 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
3451 * Makefile.in (BOOT_CFLAGS): Use -O2.
3453 * configure.in (strtoul, bsearch): Have autoconf check for these
3455 * configure, config.in: Rebuilt.
3457 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
3458 * mips/mips.h (alloca): Likewise.
3459 * rs6000/xm-rs6000.h (alloca): Likewise.
3460 * rs6000/xm-sysv4.h: Likewise.
3462 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
3464 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
3465 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
3466 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
3468 * except.c (end_eh_unwinder): Subtract 1 from return address.
3469 * libgcc2.c (__throw): Likewise.
3470 (find_exception_handler): Don't change PC here. Compare end with >.
3472 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
3474 * v850.c (compute_register_save_size): Correct register
3476 * v850.md (save_interrupt, return_interrupt): Correct
3478 * v850/lib1funcs.asm (save_interrupt): Correct register number.
3479 (return_interrupt): Use stack pointer, not element pointer.
3481 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
3483 * configure.in, configure: Make sure to create the stage* and include
3484 symbolic links in each subdirectory.
3486 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
3488 * pa.md (reload_peepholes): Don't allow addresses with side
3489 effects for the memory operand.
3491 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3493 * libgcc2.c (find_exception_handler): Subtract one from our PC when
3494 looking for a handler, to avoid hitting the beginning of the next
3497 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
3499 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
3501 * mips/abi64.h (LONG_MAX_SPEC): Define.
3502 * mips.h (LONG_MAX_SPEC): Define.
3503 (CPP_SPEC): Include long_max_spec.
3504 (EXTRA_SPECS): Include long_max_spec.
3506 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
3508 * v850.c (construct_save_jarl): Fix thinko in last change.
3510 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
3512 * version.c: Bump for snapshot.
3514 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3516 * libgcc2.c (find_exception_handler): Not found is -1.
3518 * integrate.c (expand_inline_function): Move expand_start_bindings
3519 after expanding the arguments.
3521 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
3523 * expr.c (expand_expr): Remove previous incorrect change.
3524 If target and slot has no DECL_RTL, then call mark_addressable
3525 again for the slot after we give it RTL.
3527 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
3529 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3530 again for the slot after we give it RTL.
3532 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
3534 * v850.c (register_is_ok_for_epilogue,
3535 pattern_is_ok_for_epilogue, construct_restore_jr,
3536 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
3538 * v850.h (pattern_is_ok_for_prologue,
3539 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
3542 * v850.md: Replace prologue and epilogue patterns with a
3543 match_parallel pattern.
3545 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
3547 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
3548 * configure.in: Use EGCS_PROG_INSTALL.
3550 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
3552 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
3553 extern inline function.
3555 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
3557 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
3558 (concat_loc_descriptor): New function.
3559 (loc_descriptor): Call it.
3560 (add_AT_location_description): Also elide the descriptor if both
3561 halves of a CONCAT are pseudos.
3562 (add_location_or_const_value_attribute): Recognize CONCAT too.
3564 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
3566 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
3568 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
3569 out-or-range reg_offset.
3570 (output_epilog): Likewise.
3572 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
3574 * cse.c (simplify_relational_operation): If MODE specifies a
3575 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
3576 is derived from the sign bit of the low word.
3578 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3580 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
3582 * dwarf2.h: Add DW_CFA_GNU_args_size.
3583 * frame.c (execute_cfa_insn): Likewise.
3584 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
3585 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
3586 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
3587 insn, hand it off to dwarf2out_stack_adjust.
3588 (dwarf2out_begin_prologue): Initialize args_size.
3589 * frame.h (struct frame_state): Add args_size.
3590 * libgcc2.c (__throw): Use args_size.
3591 * final.c (final_scan_insn): If we push args, hand off all insns
3592 to dwarf2out_frame_debug.
3593 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
3595 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
3596 Handle epilogue restore of SP from FP.
3597 * emit-rtl.c (gen_sequence): Still generate a sequence if the
3598 lone insn has RTX_FRAME_RELATED_P set.
3600 * frame.c (extract_cie_info): Handle "e" augmentation.
3601 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
3602 absence of UNALIGNED_*_ASM_OP.
3603 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
3604 (output_call_frame_info): Use "e" instead of "z" for augmentation.
3605 Don't emit augmentation fields length.
3606 (dwarf2out_do_frame): Move outside of #ifdefs.
3607 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
3610 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
3611 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
3612 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
3613 * sparc/sun4gas.h: New file.
3614 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
3616 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
3617 __register_frame_table and __deregister_frame.
3619 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
3621 * except.c (find_exception_handler_labels): Use xmalloc instead of
3622 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
3625 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
3627 * Makefile.in: Various changes to build info files
3628 in the object tree rather than the source tree.
3630 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
3632 * fixinc.math: New file to fix math.h on some systems.
3633 * configure.in (freebsd, netbsd): Use fixinc.math on these
3635 * configure: Rebuilt.
3637 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
3639 * regmove.c (regmove_optimize): If we end up moving the
3640 original insn due to lifetime overlaps, make sure to move
3643 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
3645 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
3647 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
3649 * haifa-sched.c (add_branch_dependences): Make each insn in
3650 a SCHED_GROUP_P block explicitly depend on the previous insn.
3652 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3654 * except.h: Prototype dwarf2 hooks.
3657 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
3659 * configure.in (native_prefix): Delete.
3660 (mips-dec-netbsd): Don't set prefix.
3661 (*linux*): Don't set prefix.
3663 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
3665 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
3666 defined. If not defined, include <sys/varargs.h> if
3667 HAVE_SYS_VARARGS_H is defined.
3668 * configure.in: Test for varargs.h and sys/varargs.h.
3669 * configure: Regenerate with autoconf.
3670 * config.in: Regenerate with autoheader.
3672 * cpplib.c (quote_string): Cast first arg of sprintf call
3673 from "unsigned char *" to "char *".
3674 (output_line_command): Ditto.
3675 (macroexpand): Ditto.
3676 (do_line): Cast atoi arg from "unsigned char *" to "char *".
3678 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
3680 * version.c: Bump for snapshot.
3682 * Makefile.in (compare): Exit with nonzero status if there
3683 are comparison failures. Note which files failed the
3684 comparison test in .bad_compare.
3686 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3688 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
3690 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
3692 * Makefile.in (LN, LN_S): New macros, use where appropriate.
3693 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
3694 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
3695 * configure: Regenerated.
3697 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
3699 * loop.c (strength_reduce): Fix typo.
3701 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
3703 * m88k/m88k.c (struct option): Rename to struct options.
3704 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
3705 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
3706 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
3707 __DOLPHIN__ or sysV88.
3709 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
3711 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
3714 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
3716 * config.sub: Accept 'amigados' for backward compatability.
3718 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3720 * Makefile.in (testsuite/site.exp): New target.
3721 (check-gcc, check-g++): Depend on testsuite/site.exp.
3722 Don't stop for failure.
3724 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
3726 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
3727 if DWARF2_UNWIND_INFO.
3729 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
3731 Add support for exception handling using DWARF 2 frame unwind info.
3732 Currently works on SPARC and MIPS, and almost on x86.
3734 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
3735 next_stack_level, in_reg_window): Helper fns.
3736 (__throw): Implement for DWARF2_UNWIND_INFO.
3738 * expr.c (expand_builtin): Handle builtins used by __throw.
3739 * tree.h (enum built_in_function): Add builtins used by __throw.
3740 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
3741 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
3742 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
3743 (expand_builtin_extract_return_addr): Likewise.
3744 (expand_builtin_frob_return_addr): Likewise.
3745 (expand_builtin_set_return_addr_reg): Likewise.
3746 (expand_builtin_eh_stub): Likewise.
3747 (expand_builtin_set_eh_regs): Likewise.
3748 (eh_regs): Choose two call-clobbered registers for passing back values.
3750 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
3751 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
3752 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
3753 (stmp-multilib): Likewise.
3754 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
3756 * except.c: #include "defaults.h".
3757 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
3758 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
3759 (register_exception_table_p): New fn.
3760 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
3761 (end_eh_unwinder): Likewise.
3763 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
3764 call __register_frame and __deregister_frame as needed.
3765 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
3766 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
3767 EH_FRAME_SECTION_ASM_OP.
3768 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
3769 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
3770 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
3772 * dwarf2out.c (output_call_frame_info): If no support for
3773 EXCEPTION_SECTION, mark the start of the frame info with a
3775 * collect2.c (frame_tables): New list.
3776 (is_ctor_dtor): Recognise frame entries.
3777 (scan_prog_file): Likewise.
3778 (main): Pass -fno-exceptions to sub-compile. Also do collection
3779 if there are any frame entries.
3780 (write_c_file_stat): Call __register_frame_table and
3781 __deregister_frame as needed.
3782 (write_c_file_glob): Likewise.
3784 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
3785 Also require unaligned reloc support.
3786 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3787 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
3788 * sparc/sysv4.h: Not here.
3790 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
3791 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
3792 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
3794 * libgcc2.c (L_eh): Reorganize, moving code shared by different
3795 EH implementations to the top.
3796 (find_exception_handler): Split out. Start from 0. Compare against
3798 (__find_first_exception_table_match): Use it.
3799 * except.c (output_exception_table): Don't do anything if there's
3800 no table. Don't output a first entry of zeroes.
3801 (eh_outer_context): Adjust properly.
3802 (add_eh_table_entry): Use xrealloc.
3803 * toplev.c (compile_file): Just call output_exception_table.
3805 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
3807 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
3809 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
3811 * except.c (eh_outer_context): Do masking using expand_and.
3813 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
3815 Add port done awhile ago for the ARC cpu.
3816 * arc/arc.h: New file.
3817 * arc/arc.c: New file.
3818 * arc/arc.md: New file.
3819 * arc/initfini.c: New file.
3820 * arc/lib1funcs.asm: New file.
3821 * arc/t-arc: New file.
3822 * arc/xm-arc.h: New file.
3823 * ginclude/va-arc.h: New file.
3824 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
3825 * ginclude/varargs.h: Likewise.
3826 * Makefile.in (USER_H): Add va-arc.h.
3827 * configure.in (arc-*-elf*): Recognize.
3828 * longlong.h: Add ARC support.
3830 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
3832 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
3833 when clearing non-BLKmode data.
3835 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
3837 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
3838 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
3840 * xm-m88k.h (USG): Only define if it hasn't already been defined.
3842 * Makefile.in (risky-stage1): Delete gratutious whitespace.
3844 * Makefile.in (clean): Delete libgcc1-test.
3846 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
3848 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
3850 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
3853 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3855 * dwarf2out.c (output_call_frame_info): Call named_section.
3857 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
3859 * haifa-sched.c (print_value): Fix last change.
3861 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
3863 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
3866 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
3868 * mips.c (function_prologue): Set up the CFA when ABI_32.
3870 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
3871 for dwarf2 unwind info.
3872 (output_function_prologue, sparc_flat_output_function_prologue): Same.
3874 * final.c (final_end_function): Check dwarf2out_do_frame instead
3875 of DWARF2_DEBUG for dwarf2 unwind info.
3876 (final_scan_insn): Likewise.
3877 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
3880 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
3883 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
3885 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
3887 * v850.h (ASM_SPEC): Pass on target processor.
3888 (CPP_PREDEFINES): Only define if not already specified.
3889 (TARGET_VERSION): Only define if not already specified.
3890 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
3892 (EXTRA_SWITCHES): Extra entries in the switches array.
3893 (TARGET_DEFAULT): Set default target processor.
3895 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
3897 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
3898 cases, add %# and %/, and add : to make them into extended asms.
3900 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
3902 * alias.c (init_alias_analysis): Clean up incompatible pointer
3903 type warning in bzero.
3904 * regmove.c (regmove_optimize): Ditto.
3905 * haifa-sched.c (find_rgns): Ditto.
3907 * haifa-sched.c (print_value): Clean up ptr->int cast
3910 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
3912 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
3913 * install.texi (Configurations): Ditto.
3914 * config.sub: Ditto.
3916 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
3918 * Makefile.in (sdbout.o): Depend on insn-config.h.
3920 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
3922 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
3923 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
3925 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3927 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
3928 prologue insn, only the first elt is significant.
3929 (output_call_frame_info): For exception handling, always use 4-byte
3930 fields as specified by the dwarf2 spec.
3931 Don't skip trivial FDEs.
3933 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
3935 * version.c: Bump for snapshot.
3937 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
3939 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
3940 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
3943 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
3945 * final.c (shorten_branches): During first pass, assume worst
3946 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
3948 * Makefile.in (distclean): Remove various things left around
3949 by running the testsuite.
3951 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
3953 * configure.in (out_file): Emit definition to config.status in order
3954 to have a defined value for configure.lang.
3955 * configure: Re-built.
3957 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
3959 * configure.in: Make symlink to as-new rather than as.new. Similarly
3961 * configure: Rebuilt.
3963 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
3965 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
3967 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
3969 * sparc/sparc.md: Add ultrasparc scheduling support.
3970 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
3972 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3974 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
3975 as initial value for real_label_map.
3976 (copy_for_inline): Likewise.
3978 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3980 * sched.c (update_flow_info) When looking if to set found_split_dest
3981 or found_orig_dest, look at all parts of a PARALLEL.
3982 * haifa-sched.c (update_flow_info): Likewise.
3984 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
3986 * v850: New directory for v850 port.
3987 * v850/lib1funcs.asm: New file.
3988 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
3989 * ginclude/va-v850.h: New file.
3990 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
3991 * configure.in (mn10200-*-*): New target.
3992 * configure: Rebuilt.
3993 * config.sub: Handle v850-elf.
3994 * Makefile.in (USER_H): Add va-mn10200.h.
3995 * invoke.texi: Document v850 stuff.
3997 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
3999 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
4000 has integer TYPE_{MAX,MIN}_VALUE before using them.
4002 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
4003 __HPUX_ASM__ versions.
4005 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
4007 * install.sh: Delete duplicate install script.
4009 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
4011 * reg-stack.c (subst_stack_regs): Pop the stack register for a
4012 computed goto which sets the same stack register.
4014 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
4015 destination are both on the regstack.
4016 (subst_stack_regs_pat): Put the destination at the top of the regstack.
4018 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
4020 * mips.md (nonlocal_goto_receiver): Define.
4022 * profile.c (output_arc_profiler): Check next_insert_after for non
4023 NULL before deferencing it.
4025 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
4027 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
4029 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
4031 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
4033 * toplev.c (rest_of_compilation): For passes starting with
4034 flow_analysis, use print_rtl_with_bb instead of print_rtl.
4036 * print-rtl.c (print_rtl_single): Print a single rtl value to a
4039 * flow.c (print_rtl_with_bb): Print which insns start and end
4040 basic blocks. For the start of a basic block, also print the live
4043 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
4045 * toplev.c (main): Change #elif to #else/#ifdef
4047 * tlink.c: Include ctype.h.
4048 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
4050 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
4052 * bitmap.c: Conditionally include stdlib.h.
4053 (free): Provide a declaration if NEED_DECLARATION_FREE.
4055 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
4057 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
4059 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
4061 * profile.c (output_arc_profiler): Verify next_insert_after is an
4062 INSN before and after skipping a stack pop.
4064 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4066 * final.c (shorten_branches): Don't count the lengths of deleted
4069 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
4071 * version.c: Bump for snapshot.
4073 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
4075 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
4076 two bitmaps ANDed together.
4077 (bitmap_print): Declare.
4079 * bitmap.c (function_obstack): Don't declare any more.
4080 (bitmap_obstack): Obstack for allocating links from.
4081 (bitmap_obstack_init): New static to say whether to initialize
4083 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
4084 (bitmap_release_memory): Free all memory allocated from
4087 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
4088 EXECUTE_IF_AND_IN_BITMAP.
4090 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
4092 * alias.c (true_dependence): Address with AND can alias scalars.
4093 (anti_dependence, output_dependence): Likewise.
4095 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
4097 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
4099 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
4100 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
4101 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
4102 definitions. Use -qrtems instead of -mrtems.
4104 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
4106 * xm-sco5.h (sys_siglist): Define.
4107 (SYS_SIGLIST_DECLARED): Likewise.
4109 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
4111 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
4113 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
4115 * except.c (eh_outer_context): Expand masking operation using
4118 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
4120 * alpha.md (floatdisf2-1): New pattern.
4122 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
4124 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
4125 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
4126 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
4127 * gcc.texi: Note that if you define sys_siglist that you should
4128 also define SYS_SIGLIST_DECLARED.
4130 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
4131 are relative to the next instruction, not the current instruction.
4133 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
4135 * local-alloc.c (contains_replace_regs): New function.
4136 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
4137 verify that there is no existing REG_EQUIV note, and add a call to
4138 contains_place_regs.
4140 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4142 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
4143 (STARTFILE_SPEC): Always use crtbegin.o%s
4144 (ENDFILE_SPEC): Always use crtend.o%s.
4146 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
4148 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
4150 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
4151 SFmode for 64 bit hosts.
4153 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
4155 * fixincludes: Permits spaces between # and define. Discard C++
4156 comments in sys/pci.h on HP/UX 10.20.
4158 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
4160 * version.c: Bump for snapshot.
4162 * pa.c (restore_unscaled_index_insn_codes): New function.
4163 (record_unscaled_index_insn_codes): Likewise.
4164 (output_function_prologue): Call restore_unscaled_index_insn_codes.
4165 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
4166 (pa_reorg): Call record_unscaled_index_insn_codes.
4168 * haifa-sched.c (move_insn): Handle notes correctly for insns
4169 with SCHED_GROUP_P set.
4171 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4173 * alpha/xm-linux.h (USE_BFD): Undef before define.
4175 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
4177 * cse.c (cse_insn): Don't record BLKmode values.
4179 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
4181 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
4183 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
4185 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
4186 * collect2.c (sys_errlist): Likewise.
4187 * cpplib.c (sys_errlist): Likewise.
4188 * gcc.c (sys_errlist): Likewise.
4189 * protoize (sys_errlist): Likewise.
4190 * configure.in: Check for strerror.
4191 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
4192 * xm-gnu.h (HAVE_STRERROR): Likewise.
4193 * xm-linux.h (HAVE_STRERROR): Likewise.
4194 * xm-netbsd.h (HAVE_STRERROR): Likewise.
4195 * xm-bsd386.h (HAVE_STRERROR): Likewise.
4196 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
4197 * xm-dos.h (HAVE_STRERROR): Likewise.
4198 * xm-mingw32.h (HAVE_STRERROR): Likewise.
4199 * xm-pa.h (HAVE_STRERROR): Likewise.
4200 * xm-papro.h (HAVE_STRERROR): Likewise.
4201 * xm-sysv4.h (HAVE_STRERROR): Likewise.
4202 * configure, config.in: Rebuilt.
4204 * Makefile.in: Add several missing "else true" clauses.
4206 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
4207 * mips-tfile.c: Likewise.
4208 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
4209 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
4210 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
4211 * configure.in: Check for sys_siglist declaration.
4212 * configure, config.in: Rebuilt.
4214 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
4216 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
4217 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
4218 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
4219 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
4220 * rs6000/sysv4.h (extra_subtarget_switches): Added new
4221 macro EXTRA_SUBTARGET_SWITCHES.
4222 * configure.in (sh*-*-rtems*): New target.
4223 * sh/rtems.h: New file.
4224 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
4225 * configure: Rebuilt.
4227 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
4229 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
4231 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
4233 * rs6000.md: Make DF fused-add operations pay attention to
4236 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
4238 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
4240 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
4242 * pa.md (reload_peepholes): Make sure operand is a REG before
4243 examining REGNO. Allow general registers too.
4245 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
4247 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
4249 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
4251 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
4252 to reallocate abbrev_die_table.
4254 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
4256 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
4258 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4260 * Makefile.in (config.status): Depend on version.c
4262 * expr.h (insn_gen_function): Reenable prototype.
4264 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
4267 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
4269 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
4271 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
4273 * version.c: Bump for latest snapshot.
4275 * bc-optab.c: Conditionally include stdlib.h.
4276 (free): Provide a declaration if NEED_DECLARATION_FREE.
4277 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
4278 * rtl.h (free): Remove declaration.
4279 * tree.h (free): Remvoe declaration.
4281 * configure: Rebuilt.
4283 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
4285 * flags.h (flag_move_all_movables): Declare.
4286 (flag_reduce_all_givs): Likewise.
4287 * loop.c (move_movables): Handle flag_move_all_movables.
4288 (strength_reduce): Handle flag_reduce_all_givs.
4289 * toplev.c (flag_move_all_movables): Define.
4290 (flag_reduce_all_givs): Likewise.
4291 (f_options): Add -fmove-all-movables and -freduce-all-givs.
4292 * invoke.texi: Document new options, including alias stuff that
4293 wasn't included last time.
4295 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
4297 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
4300 * t-vxworks68: Ditto.
4301 * t-vxworks960: Ditto.
4304 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
4306 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
4307 if not already defined, and USE_C_ALLOCA not defined.
4309 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
4311 * config.guess: Replace with script that uses ../config.guess.
4313 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
4314 if USE_GNULIBC_1 is not defined.
4316 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
4318 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
4319 * config.guess: Recognize alpha-linux-gnulibc1.
4320 * configure.in (alpha-*-linux-gnulibc1): New target.
4321 (alpha-*-linux-gnu*): Don't build crtbegin/end.
4323 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
4325 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
4328 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
4330 * loop.c (combine_movables): Earlier insns don't match later ones.
4332 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4334 * config/linux.h (CC1_SPEC): Define it only if not defined.
4336 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
4339 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
4340 USE_GNULIBC_1 is not defined.
4342 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
4344 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
4345 as 1 if USE_GNULIBC_1 is not defined.
4347 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
4349 * reorg.c (dbr_schedule): Allow current_function_return_rtx
4350 to be something other than a REG.
4351 * function.c (expand_function_end): Fix current_function_return_rtx
4354 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
4355 * x-netbsd: Likewise
4356 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
4357 (INSTALL_HEADERS): Delete.
4358 * x-dguxbcs: Likewise.
4359 * x-hp3bsd44: Likewise
4362 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4364 * i386.md (pop): pop increments the stack pointer.
4365 (prologue_set_stack_ptr): New pattern.
4366 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
4369 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
4371 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
4372 address where an offsettable address is required.
4374 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
4376 * loop.c (check_final_value): Don't miss a biv increment in a
4379 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
4381 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
4382 TYPE_DECL_IS_STUB instead of DECL_NAME.
4384 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4386 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
4388 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
4390 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
4392 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
4394 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
4395 (find_post_sched_live): Likewise.
4397 * haifa-sched.c (schedule_block): Remove old code to get arguments
4398 from hard regs into pseudos early.
4400 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
4402 * version.c: Bump for new snapshot.
4404 * local-alloc.c (update_equiv_regs): All the target to reject
4405 promotion of some REG_EQUAL to REG_EQUIV notes.
4406 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
4408 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
4411 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
4412 store of the argument registers.
4414 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
4416 * fold-const.c (multiple_of_p): New function.
4417 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
4419 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
4421 * expr.h (insn_gen_function): Temporarily remove prototype.
4423 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
4425 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
4426 filenames. Use sed to extract base filename for install.
4428 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
4430 * unroll.c (find_splittable_givs): Only share if two givs have the
4431 same add and multiply values.
4433 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
4435 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
4436 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
4438 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
4440 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
4441 around branch tables.
4442 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
4443 and .end_brtab directives if TARGET_GAS.
4445 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
4447 * alias.c (true_dependence): Pass x_addr not x to varies.
4449 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
4450 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
4451 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
4453 * config.in, configure: Regenerate.
4455 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
4457 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
4459 (record_set): Handle LO_SUM like PLUS.
4460 (init_alias_analysis): When following chains of base addresses,
4461 do not stop on reaching a hard register.
4463 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
4465 * version.c: Bump for new snapshot.
4467 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
4469 * alpha.h (ARCH_ASM_FILE_START): Define.
4470 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
4471 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
4473 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
4475 * Makefile.in (install-common): Put gcov comment at start of line.
4477 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
4479 * alias.c (init_alias_analysis): When simplifying the reg_base_value
4480 array, simplify entries for hard registers too.
4482 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
4484 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
4487 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
4489 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
4490 block_stack before dereferencing it.
4492 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
4494 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
4496 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4498 * cplus-dem.c: Add 'extern' to prepends_underscore.
4500 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
4502 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
4503 (get_issue_rate): Delete.
4504 * pa.h (ISSUE_RATE): Define.
4506 * configure.in: Turn on haifa by default for the PA.
4507 * configure: Rebuilt.
4508 * pa.c (override_options): Accept -mschedule=7200 option.
4509 (pa_adjust_cost): No longer need to scale costs for newer
4511 * pa.h (enum processor_type): Add PROCESSOR_7200.
4512 * pa.md: Revamp scheduling parameters to work better with
4513 haifa. Add scheduling parameters for the 7200.
4515 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
4517 (schedule_block): When adjusting basic_block_{head,end}, account
4518 for movement of SCHED_GROUP_P insns too.
4520 * haifa-sched.c (debug_dependencies): Fix thinko.
4522 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
4523 (site.exp, check, check-g++, check-gcc): New targets.
4525 * haifa-sched.c: Make lots of variables static.
4527 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4529 * expr.h, real.h: Finish prototyping.
4531 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
4533 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
4534 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
4535 * reload1.c: Undo bugfix from Aug 11.
4537 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
4539 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
4540 quotes around the name.
4541 * configure: Regenerate.
4543 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
4545 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
4547 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
4549 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
4550 to sub-makes to avoid building more passes than the user might have
4551 requested on the command line.
4553 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
4555 * configure.in: Expurgate `broken_install' (install is
4558 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
4561 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
4563 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
4564 functions and declarations.
4565 (analyze_loop_iterations): Use condjump_p.
4566 (insert_bct): Likewise. Use exact_log2.
4568 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
4570 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
4571 (schedule_region): Likewise.
4572 (schedule_insns): Likewise.
4574 * PROJECTS: Update with Haifa stuff.
4576 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
4578 * version.c: Change the version string to look like:
4579 egcs-2.90.00 970814 (gcc2-970802 experimental).
4581 * loop.c (is_conditional_branch): Make definition match declaration.
4583 * gcc.c: Take out experimental snapshot warning message.
4585 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
4587 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
4588 print out the names of the notes. Print out the name of the insn
4589 that is not a note, and not an {,CALL_,JUMP_}INSN.
4591 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4593 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4594 again for the slot after we give it RTL.
4596 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
4598 * configure.in (haifa configury): Fix typo.
4599 * configure: Regenerate.
4601 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
4603 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
4605 * gcc.info*: Rebuilt.
4607 * COPYING.g77, README.g77: New files.
4608 * real.c (ereal_unto_float, ereal_unto_double): New functions.
4609 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
4610 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
4612 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
4614 * Integrate Haifa instruction scheduler.
4615 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
4616 to sched with $(SCHED_CFLAGS.
4617 * configure.in: Handle --enable-haifa.
4618 * configure: Rebuilt.
4619 * flags.h: Add new flags for haifa instruction scheduler.
4620 * genattrtab.c (expand_units): For haifa, don't subtract one
4621 when computing blockage.
4622 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
4623 (flag_schedule_speculative): Ditto.
4624 (flag_schedule_speculative_load): Ditto.
4625 (flag_schedule_speculative_load_dangerous): Ditto.
4626 (flag_schedule_reverse_before_reload): Ditto.
4627 (flag_schedule_reverse_after_reload): Ditto.
4628 (flag_branch_on_count_reg): Ditto.
4629 (f_options): Add Haifa switches.
4630 (main): Turn off some Haifa options if appropriate macro is
4631 defined. Process Haifa switches.
4632 * unroll.c (iteration_info): No longer static, since Haifa
4634 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
4635 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
4636 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
4637 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
4638 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
4639 storage for the Haifa scheduler.
4640 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
4642 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
4643 are defined, call analyze_loop_iterations and insert_bct to use
4645 (record_giv): Refine test for jumps out of loops if HAIFA is
4647 (analyze_loop_iterations): New function to identify if we can use
4649 (insert_bct): Insert countdown loop.
4650 (instrument_loop_bct): Low level code to insert countdown loop.
4651 (loop_number): Calculate UID of loop.
4652 (indirect_jump_in_function_p): Return true if an indirect jump is
4654 (is_power_of_2): Return true if value is a power of 2.
4655 (is_conditional_branch): Return true if insn is a conditional
4657 (fix_bct_param): Process -fbct-{min,max}-N switches.
4658 (check_bct_param): Return true if loop should be instrumented.
4659 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
4660 (loop_optimize): Initialize.
4661 (get_condition_for_loop): Ditto.
4662 * loop.c (strength_reduce): Inside of code that uses #ifdef
4663 HAVE_decrement_and_branch_on_count code, test it to make sure the
4665 (instrument_loop_bct): Ditto.
4666 * haifa-sched.c: New file.
4669 * Integrate regmove pass.
4670 * Makefile.in (OBJS): Add regmove.o
4671 (regmove.o): Add dependencies.
4672 * flow.c (find_use_as_address): No longer static.
4673 * rtl.h (find_use_as_address): Declare.
4674 * toplev.c (regmove_dump, flag_regmove): Define.
4675 (f_options): Add -fregmove.
4676 (regmove_dump_file, regmove_time): Define.
4677 (fatal_insn): Close the regmove dump file.
4678 (compile_file): Initialize regmove_time; open/close the regmove dump
4679 file as needed. Print regmove time as needed.
4680 (rest_of_compilation): Run regmove pass if requested, dump
4681 RTL after regmove if requested.
4682 (main): If -O2 or more, turn on regmove. Handle dump switches.
4683 * regmove.c: New file.
4685 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
4687 * Integrate tlink patch from jason@cygnus.com
4688 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
4689 (process_command): Increment n_switches for them. Don't discard
4690 their args. Validate them.
4691 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
4693 (process_command): Set include_prefixes from COMPILER_PATH.
4694 (main): Set COLLECT_GCC_OPTIONS sooner.
4695 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
4696 * tlink.c, hash.c, hash.h: New files.
4697 * Makefile.in (USE_COLLECT2): Always use collect2.
4698 (collect2): Depend on and link in hash.o and tlink.o.
4699 (tlink.o, hash.o): Add dependencies.
4701 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
4703 * Integrate alias analysis changes from jfc@mit.edu
4704 * Makefile.in (OBJS): Add alias.o
4705 (alias.o): Add dependencies.
4706 * alias.c: New file.
4707 * sched.c: Remove alias analysis code. It lives in alias.c now.
4708 (sched_analyze_2): Add new arguments to true_dependence.
4709 (schedule_insns): Always call init_alias_analysis.
4710 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
4711 mark return value from such functions as a pointer and keep track of
4712 them for alias analysis. If a return value from a function is a
4713 pointer, mark it as such.
4714 * combine.c (distribute_notes): Handle REG_NOALIAS.
4715 * cse.c (struct write_data): Delete. No longer needed.
4716 (invalidate): Don't call set_nonvarying_address_components anymore.
4717 Use true_dependence to decide if an entry should be removed from
4719 (invalidate_memory): Remove WRITES argument, simplify appropriately.
4721 (note_mem_written): Similarly for WRITE_PTR argument.
4722 (invalidate_from_clobbers): Similarly for W argument.
4723 (invalidate_for_call): Remove memory elements from the hash table.
4724 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
4725 (cse_rtx_varies_p): New function. Derived from old
4726 cse_rtx_addr_varies_p.
4727 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
4728 Don't call note_mem_written anymore. Stack pushes invalidate the stack
4729 pointer if PUSH_ROUNDING is defined. No longer need to call
4730 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
4731 (skipped_writes_memory): Remove variable.
4732 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
4733 (invalidate_skipped_block): Simplify for new alias analysis code.
4734 (cse_set_around_loop): Likewise.
4735 (cse_main): Call init_alias_analysis.
4736 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
4737 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
4738 (f_options): Add new alias checking arguments.
4739 (main): Set flag_alias_check when optimizing.
4740 * local_alloc (validate_equiv_mem_from_store): Add new arguments
4742 (memref_referenced_p): Likewise.
4743 * loop.c (NUM_STORES): Increase to 30.
4744 (prescan_loop): Only non-constant calls set unknown_address_altered.
4745 (invariant_p): Add new arguments to true_dependence.
4746 (record_giv): Initialize unrolled and shared fields.
4747 (emit_iv_add_mult): Call record_base_value as needed.
4748 * loop.h (struct induction): Add unrolled and shared fields.
4749 * unroll.c (unroll_loop): Call record_base_value as needed.
4750 (copy_loop_body): Likewise.
4751 (final_biv_value): Likewise.
4752 (final_giv_value): Likewise.
4753 (find_splittable_regs): Likewise. Only create one new pseudo
4754 if we have multiple address GIVs that were combined with the same
4755 dst_reg GIV. Note when a new register is created due to unrolling.
4756 * rtl.c (reg_note_name): Add REG_NOALIAS.
4757 * rtl.h (enum reg_note): Similarly.
4758 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
4759 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
4760 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
4761 (true_dependence, read_dependence, anti_dependence): Likewise.
4762 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
4763 (mark_user_reg, mark_reg_pointer): Likewise.
4766 * Integrate reload bugfix from Wilon which enables the PA port
4768 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
4769 OPERAND_ADDRESS when computing how many registers an insn needs.
4770 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
4772 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
4774 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
4775 in reload_reg_use_in_op_addr do not reach the end.
4776 do not reach the end.
4777 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
4778 RELOAD_FOR_OPERAND_ADDRESS.
4780 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
4782 * egcs project officially starts.
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