1 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
4 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
6 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
7 (output_double_int): Output DI mode values correctly when
8 HOST_BITS_PER_WIDE_INT is 64.
9 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
10 necessary for PIC support on sparc64.
12 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
14 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
15 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
16 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
17 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
18 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
19 (SPARC_FP_ARG_FIRST): New macro.
20 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
21 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
22 (NPARM_REGS): There are 32 fp argument registers now.
23 (FUNCTION_ARG_REGNO_P): Likewise.
24 (FIRST_PARM_OFFSET): Update to new v9 abi.
25 (REG_PARM_STACK_SPACE): Define for arch64.
26 (enum sparc_arg_class): Delete.
27 (sparc_arg_count,sparc_n_named_args): Delete.
28 (struct sparc_args): Redefine and use for arch32 as well as arch64.
29 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
30 (FUNCTION_ARG_ADVANCE): Rewrite.
31 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
32 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
33 (FUNCTION_ARG_CALLEE_COPIES): Delete.
34 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
35 (STRICT_ARGUMENT_NAMING): Define.
36 (doublemove_string): Declare.
37 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
38 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
39 (doublemove_string): New function.
40 (output_move_quad): Clean up some of the arch64 support.
41 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
42 Don't add 8 bytes of reserved space if arch64.
43 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
44 (init_cumulative_args): New function.
45 (function_arg_slotno): New static function.
46 (function_arg,function_arg_partial_nregs): New functions.
47 (function_arg_{pass_by_reference,advance}): New functions.
48 (function_arg_padding): New function.
50 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
52 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
53 for hard regs to determine base and index registers.
55 * reload.c (debug_reload_to_stream): New function. Specify stream
56 into which to write debug info.
57 (debug_reload): Modify to call debug_reload_to_stream with stderr.
59 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
61 * combine.c (can_combine_p): Don't combine with an asm whose
62 output is a hard register.
64 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
66 * c-decl.c (start_struct): Ensure that structs with forward
67 declarations are in fact packed when -fpack-struct is given.
69 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
70 we are packing a structure. This allows a structure with only
71 bytes to be aligned on a byte boundary and have no padding on a
74 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
76 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
78 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
80 * alpha.c (alpha_return_addr_rtx): New variable.
81 (alpha_save_machine_status): New; save it.
82 (alpha_restore_machine_status): New; restore it.
83 (alpha_init_expanders): New; clear it.
84 (alpha_return_addr): New; set it.
85 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
86 is overly conservative, so search the insns explicitly.
87 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
88 (alpha_sa_size [VMS && !VMS]): Likewise.
89 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
90 (INIT_EXPANDERS): New definition.
92 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
93 (output_prolog [!VMS]): Use them.
95 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
96 (alpha_does_function_need_gp): ... a new function. Refine the
97 CALL_INSN test to just TYPE_JSR.
98 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
100 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
102 * version.c: Bump for snapshot.
104 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
106 * pa.c (move_operand): Respect -mdisable-indexing.
107 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
109 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
111 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
113 (umulsidi3,umulsi3_highpart): Ditto.
114 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
116 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
118 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
119 (alpha_handle_trap_shadows): ... a new function. Handle the entire
120 function in one go. Emit RTL for trapb, instead of printf directly.
121 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
122 (trap_pending): Kill global variable.
123 (output_epilog): Don't call final_prescan_insn.
124 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
125 * alpha.h (FINAL_PRESCAN_INSN): Remove.
126 (MACHINE_DEPENENT_REORG): Define.
127 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
130 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
132 Tune Haifa scheduler for Alpha:
133 * alpha.h (ISSUE_RATE): Define.
134 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
135 EV4 adjustments to EV5.
136 * alpha.md: Remove all scaling from function unit delays. Rework
137 EV5 function units to match the CPU.
138 (umuldi3_highpart): EV5 added the IMULH insn class.
140 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
142 * pa.c (following_call): Fail if the CALL_INSN is an indirect
145 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
147 * cplus-dem.c (demangle_signature): Don't look for return types on
148 constructors. Handle member template constructors.
150 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
152 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
153 * tree.h: Declare them.
155 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
157 * configure.in: Handle --with-newlib.
158 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
160 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
162 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
164 * config/ptx4.h: Fix typo.
166 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
168 * version.c: Bump for snapshot.
170 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
172 * aclocal.m4: Substitute INSTALL.
173 * configure: Re-built.
175 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
177 * integrate.c (save_for_inline_copying): Avoid undefined pointer
179 (expand_inline_function): Likewise.
181 * dwarf2out.c (output_call_frame_info): Reinstate last change
182 using flag_debug_asm check instead of flag_verbose_asm.
184 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
186 * dwarf2out.c (output_call_frame_info): Remove last change.
188 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
190 * frame.c (__frame_state_for): Execute the FDE insns until the
191 current pc value is strictly bigger than the target pc value.
193 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
195 * regclass.c (init_reg_modes): If we can't find a mode for the
196 register, use the previous one.
198 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
200 * haifa-sched.c (print_block_visualization): Call fprintf directly,
201 don't sprintf through an alloca'ed buffer.
203 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
205 * reload.c (decompose): Always initialize val.base.
207 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
209 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
211 * dwarf2out.c (output_call_frame_info): Call app_enable and
212 app_disable to let GNU as accept the generated comments.
214 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
216 * tree.h (get_file_function_name): Add declaration.
217 * dwarf2out.c (output_call_frame_info): No need to cast
218 get_file_function_name call anymore.
219 * profile.c (toplevel): Remove get_file_function_name
221 * c-lang.c (finish_file): Ditto.
223 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
225 * Makefile.in (program_transform_name): Let autoconf substitute
228 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
230 * haifa-sched.c (schedule_block): If the first real insn in a
231 block has any special notes attached to it, remove them.
233 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
235 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
237 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
239 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
241 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
243 * Makefile.in (check-g77): New test target.
244 (CHECK-TARGETS): Add check-g77.
246 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
248 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
250 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
252 * flow.c (print_rtl_with_bb): Cast alloca return value for
255 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
257 * i386.h (RETURN_ADDR_RTX): New definition that works for
258 __builtin_return_address(0) and -fomit-frame-pointer.
260 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
263 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
265 * mips.c (function_arg): Handle passing a struct
266 containing a double in a DFmode register without the PARALLEL.
268 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
270 * pexecute.c: Use spawn if __CYGWIN32__.
272 * pexecute.c: Include "config.h" first, as per autoconf manual
273 (from Paul Eggert <eggert@twinsun.com>).
275 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
277 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
278 optimisation for f/expr.o and f/stb.o.
280 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
282 * cse.c (this_insn_cc0_mode): Initialize.
284 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
286 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
288 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
290 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
292 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
293 that pair will dual-issue on the 21164 and plus+beq won't.
294 (bne): Likewise for cmpeq+beq.
296 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
298 * except.c (find_exception_handler_labels): Correct argument to free.
300 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
302 * except.c (find_exception_handler_labels): Free LABELS when we're
305 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
307 * version.c: Bump for snapshot.
309 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
311 * flow.c (find_basic_blocks): Mark calls as potentially jumping
314 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
316 * configure.in: Substitute for "install" too.
317 * configure: Rebuilt.
319 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
321 * Makefile.in (bootstrap-lean, compare-lean): New targets.
323 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
325 * alias.c (base_alias_check): Two symbols can conflict if they
326 are accessed via AND.
327 (memrefs_conflict_p): Likewise.
329 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
330 after flushing argument registers to the stack.
332 * Makefile.in (mostlyclean): Remove .regmove files.
334 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
336 * libgcc2.c (__throw): Fix thinko.
338 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
340 * cplus-dem.c (demangle_template): Add new parameter. Handle new
341 template-function mangling.
342 (consume_count_with_underscores): New function.
343 (demangle_signature): Handle new name-mangling scheme.
345 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
347 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
350 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
352 * frame.c: Remove last change.
353 * dwarf2.h: Remove last change.
354 * tree.h: Add declarations of DWARF2 unwind info support
357 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
359 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
360 * tree.h (built_in_function): Likewise.
361 * expr.c (expand_builtin): Likewise.
362 * except.h: Likewise.
363 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
364 * libgcc2.c (copy_reg): New fn.
367 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
369 * c-typeck.c (build_binary_op): Warn about comparing signed vs
370 unsigned if -W is specified and -Wno-sign-compare is not.
371 * c-decl.c (warn_sign_compare): Initialize to -1.
372 (c_decode_option): -Wall no longer implies -Wsign-compare.
374 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
376 * frame.c: Include gansidecl.h for PROTO.
377 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
378 defined. Don't declare dwarf2out_cfi_label here.
379 * dwarf2.h: Add declarations of DWARF2 unwind info support
381 * m68k.c: Include dwarf2.h.
382 (output_function_prologue): Add dwarf2 support.
383 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
384 (INCOMING_FRAME_SP_OFFSET): Likewise.
386 * integrate.c (expand_inline_function): Make sure there is at
387 least one insn that can be used as an insertion point.
389 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
391 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
393 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
395 * version.c: Bump for snapshot.
397 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
401 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
403 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
404 (get_pc_via_rdpc): Renamed from get_pc_sp64.
405 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
407 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
409 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
410 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
412 (sparc_align_{loops,jumps,funcs}_string): Declare.
413 (sparc_align_{loops,jumps,funcs}): Declare.
414 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
415 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
416 (STACK_BIAS): Define.
417 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
419 (SPARC_SETHI_P): New macro.
420 (CONST_OK_FOR_LETTER_P): Use it.
421 (ASM_OUTPUT_ALIGN_CODE): Define.
422 (ASM_OUTPUT_LOOP_ALIGN): Define.
423 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
424 (sparc_align_{loops,jumps,funcs}): New globals.
425 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
427 (move_operand): Use SPARC_SETHI_P.
428 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
430 (arith11_double_operand): Likewise.
431 (arith10_double_operand): Likewise.
432 (finalize_pic): Finish sparc64 support.
433 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
434 64 bit constants if able.
435 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
436 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
438 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
439 (get_pc_sp32): Use for sparc64 as well.
440 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
441 (sethi_di_sp64_const): Likewise.
442 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
443 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
444 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
446 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
448 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
449 * sparc/linux.h (COMMENT_BEGIN): Likewise.
450 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
452 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
454 Add sparc64 linux support.
455 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
456 to xm_file list on 32-bit sparc-linux.
457 * sparc/xm-sp64.h: New file.
458 * sparc/linux64.h: New file.
459 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
460 Don't include xm-sparc.h.
461 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
462 * glimits.h (LONG_MAX): Handle sparc64.
464 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
466 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
467 * sparc.h (ASM_COMMENT_START): Define.
468 * sparc.c (output_function_prologue): Use it.
469 (sparc_flat_output_function_{epi,pro}logue): Likewise.
471 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
473 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
474 use sparc.h's copies.
475 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
478 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
480 * sparc.c (dwarf2out_cfi_label): Add declaration.
481 (save_regs, output_function_prologue): Remove cast for it.
482 (sparc_flat_{save_restore,output_function_prologue): Likewise.
483 ({save,restore}_regs): No longer inline.
485 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
487 * fold-const.c (make_range): Correctly handle cases of converting
488 from unsigned to signed type.
490 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
492 * fold-const.c (merge_ranges): Make sure that if one range is subset
493 of another, it will always be the second range. Correct (+,-) case to
496 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
498 * final.c (final_end_function): Also do dwarf2 thing if
499 DWARF2_DEBUGGING_INFO.
500 (final_start_function): Likewise.
502 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
504 * expmed.c (expand_divmod): If compute_mode is not the same as
505 mode, handle the case where convert_modes() causes op1 to no
506 longer be a CONST_INT.
508 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
509 note holding get_jump_flags() calculation to all JUMP_INSNs.
510 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
511 * rtl.c (reg_note_name): Add new note types.
513 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
515 * rtlanal.c (computed_jump_p): Fix typo in last change.
517 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
519 * loop.c (indirect_jump_in_function_p): Return 0
522 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
524 * rs6000/xm-rs6000.h: Fix thinko in last change.
525 * rs6000/xm-sysv4.h: Likewise.
527 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
529 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
531 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
533 * reg-stack.c (find_blocks): Fix thinko in last change.
535 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
537 * m68k.c (output_function_prologue): Add dwarf2 support.
539 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
540 INCOMING_FRAME_SP_OFFSET): New definitions.
542 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
544 * combine.c (try_combine): Use NULL_RTX instead of '0' where
545 appropriate in calls to gen_rtx().
546 * cse.c (cse_main): Likewise.
547 * emit-rtl.c (gen_label_rtx): Likewise.
548 * expr.c (init_expr_once): Likewise.
549 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
550 sched_analyze, init_rgn_data_dependences,
551 compute_block_backward_dependences): Likewise.
552 * sched.c (schedule_insns): Likewise.
553 * varasm.c (immed_double_const): Likewise.
555 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
556 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
558 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
560 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
561 (MULTILIB_DEFAULTS): Define.
562 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
563 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
564 (LIBGCC_SPEC): Likewise.
565 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
566 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
567 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
568 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
569 (EXTRA_PARTS, TAROUTOPTS): Delete.
570 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
571 (MULTILIB_OPTIONS): Define.
572 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
573 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
575 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
577 * version.c: Bump for snapshot.
579 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
581 * loop.c (loop_number): Delete function. Change all references
582 to use uid_loop_num array.
583 * loop.h (loop_number): Delete declaration.
584 * unroll.c (unroll_loop): Change "loop_number" references to
585 use uid_loop_num instead.
587 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
589 (loop_unroll_iter): Remove unused variable and all references.
590 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
591 (insert_bct): Fix minor formatting problems.
592 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
593 (loop_unroll_iter): Removed unused decl.
594 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
595 Always record the unrolling factor.
597 * cse.c (simplify_relational_operation): Set h0u just like h0s.
598 Similarly for h1u and h1s.
600 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
601 (find_basic_blocks): Use computed_jump_p to determine if a
602 particular JUMP_INSN is a computed jump.
603 * reg-stack.c (find_blocks): Use computed_jump_p to determine
604 if a particular JUMP_INSN is a computed jump.
605 * rtlanal.c (jmp_uses_reg_or_mem): New function.
606 (computed_jump_p): Likewise.
607 * rtl.h (computed_jump_p): Declare.
608 * genattrtab.c (pc_rtx): Define and initialize.
609 * loop.c (loop_optimize): Always determine if the current
610 function has a computed jump.
611 (indirect_jump_in_function_p): Use computed_jump_p to determine
612 if a particular JUMP_INSN is a computed jump.
614 * loop.c (fix_bct_param): Delete unused function.
615 (check_bct_param): Likewise.
617 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
619 * frame.c (__deregister_frame): Check properly for initialized object.
621 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
623 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
625 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
627 * jump.c (thread_jumps): check can_reverse_comparison_p before
628 threading a reversed-condition jump.
630 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
631 * haifa-sched.c (update_flow_info): Likewise.
633 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
635 * Makefile.in (BOOT_CFLAGS): Use -O2.
637 * configure.in (strtoul, bsearch): Have autoconf check for these
639 * configure, config.in: Rebuilt.
641 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
642 * mips/mips.h (alloca): Likewise.
643 * rs6000/xm-rs6000.h (alloca): Likewise.
644 * rs6000/xm-sysv4.h: Likewise.
646 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
648 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
649 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
650 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
652 * except.c (end_eh_unwinder): Subtract 1 from return address.
653 * libgcc2.c (__throw): Likewise.
654 (find_exception_handler): Don't change PC here. Compare end with >.
656 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
658 * v850.c (compute_register_save_size): Correct register
660 * v850.md (save_interrupt, return_interrupt): Correct
662 * v850/lib1funcs.asm (save_interrupt): Correct register number.
663 (return_interrupt): Use stack pointer, not element pointer.
665 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
667 * configure.in, configure: Make sure to create the stage* and include
668 symbolic links in each subdirectory.
670 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
672 * pa.md (reload_peepholes): Don't allow addresses with side
673 effects for the memory operand.
675 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
677 * libgcc2.c (find_exception_handler): Subtract one from our PC when
678 looking for a handler, to avoid hitting the beginning of the next
681 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
683 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
685 * mips/abi64.h (LONG_MAX_SPEC): Define.
686 * mips.h (LONG_MAX_SPEC): Define.
687 (CPP_SPEC): Include long_max_spec.
688 (EXTRA_SPECS): Include long_max_spec.
690 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
692 * v850.c (construct_save_jarl): Fix thinko in last change.
694 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
696 * version.c: Bump for snapshot.
698 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
700 * libgcc2.c (find_exception_handler): Not found is -1.
702 * integrate.c (expand_inline_function): Move expand_start_bindings
703 after expanding the arguments.
705 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
707 * expr.c (expand_expr): Remove previous incorrect change.
708 If target and slot has no DECL_RTL, then call mark_addressable
709 again for the slot after we give it RTL.
711 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
713 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
714 again for the slot after we give it RTL.
716 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
718 * v850.c (register_is_ok_for_epilogue,
719 pattern_is_ok_for_epilogue, construct_restore_jr,
720 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
722 * v850.h (pattern_is_ok_for_prologue,
723 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
726 * v850.md: Replace prologue and epilogue patterns with a
727 match_parallel pattern.
729 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
731 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
732 * configure.in: Use EGCS_PROG_INSTALL.
734 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
736 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
737 extern inline function.
739 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
741 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
742 (concat_loc_descriptor): New function.
743 (loc_descriptor): Call it.
744 (add_AT_location_description): Also elide the descriptor if both
745 halves of a CONCAT are pseudos.
746 (add_location_or_const_value_attribute): Recognize CONCAT too.
748 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
750 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
752 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
753 out-or-range reg_offset.
754 (output_epilog): Likewise.
756 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
758 * cse.c (simplify_relational_operation): If MODE specifies a
759 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
760 is derived from the sign bit of the low word.
762 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
764 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
766 * dwarf2.h: Add DW_CFA_GNU_args_size.
767 * frame.c (execute_cfa_insn): Likewise.
768 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
769 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
770 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
771 insn, hand it off to dwarf2out_stack_adjust.
772 (dwarf2out_begin_prologue): Initialize args_size.
773 * frame.h (struct frame_state): Add args_size.
774 * libgcc2.c (__throw): Use args_size.
775 * final.c (final_scan_insn): If we push args, hand off all insns
776 to dwarf2out_frame_debug.
777 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
779 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
780 Handle epilogue restore of SP from FP.
781 * emit-rtl.c (gen_sequence): Still generate a sequence if the
782 lone insn has RTX_FRAME_RELATED_P set.
784 * frame.c (extract_cie_info): Handle "e" augmentation.
785 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
786 absence of UNALIGNED_*_ASM_OP.
787 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
788 (output_call_frame_info): Use "e" instead of "z" for augmentation.
789 Don't emit augmentation fields length.
790 (dwarf2out_do_frame): Move outside of #ifdefs.
791 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
794 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
795 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
796 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
797 * sparc/sun4gas.h: New file.
798 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
800 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
801 __register_frame_table and __deregister_frame.
803 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
805 * except.c (find_exception_handler_labels): Use xmalloc instead of
806 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
809 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
811 * Makefile.in: Various changes to build info files
812 in the object tree rather than the source tree.
814 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
816 * fixinc.math: New file to fix math.h on some systems.
817 * configure.in (freebsd, netbsd): Use fixinc.math on these
819 * configure: Rebuilt.
821 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
823 * regmove.c (regmove_optimize): If we end up moving the
824 original insn due to lifetime overlaps, make sure to move
827 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
829 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
831 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
833 * haifa-sched.c (add_branch_dependences): Make each insn in
834 a SCHED_GROUP_P block explicitly depend on the previous insn.
836 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
838 * except.h: Prototype dwarf2 hooks.
841 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
843 * configure.in (native_prefix): Delete.
844 (mips-dec-netbsd): Don't set prefix.
845 (*linux*): Don't set prefix.
847 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
849 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
850 defined. If not defined, include <sys/varargs.h> if
851 HAVE_SYS_VARARGS_H is defined.
852 * configure.in: Test for varargs.h and sys/varargs.h.
853 * configure: Regenerate with autoconf.
854 * config.in: Regenerate with autoheader.
856 * cpplib.c (quote_string): Cast first arg of sprintf call
857 from "unsigned char *" to "char *".
858 (output_line_command): Ditto.
859 (macroexpand): Ditto.
860 (do_line): Cast atoi arg from "unsigned char *" to "char *".
862 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
864 * version.c: Bump for snapshot.
866 * Makefile.in (compare): Exit with nonzero status if there
867 are comparison failures. Note which files failed the
868 comparison test in .bad_compare.
870 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
872 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
874 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
876 * Makefile.in (LN, LN_S): New macros, use where appropriate.
877 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
878 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
879 * configure: Regenerated.
881 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
883 * loop.c (strength_reduce): Fix typo.
885 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
887 * m88k/m88k.c (struct option): Rename to struct options.
888 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
889 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
890 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
891 __DOLPHIN__ or sysV88.
893 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
895 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
898 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
900 * config.sub: Accept 'amigados' for backward compatability.
902 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
904 * Makefile.in (testsuite/site.exp): New target.
905 (check-gcc, check-g++): Depend on testsuite/site.exp.
906 Don't stop for failure.
908 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
910 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
911 if DWARF2_UNWIND_INFO.
913 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
915 Add support for exception handling using DWARF 2 frame unwind info.
916 Currently works on SPARC and MIPS, and almost on x86.
918 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
919 next_stack_level, in_reg_window): Helper fns.
920 (__throw): Implement for DWARF2_UNWIND_INFO.
922 * expr.c (expand_builtin): Handle builtins used by __throw.
923 * tree.h (enum built_in_function): Add builtins used by __throw.
924 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
925 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
926 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
927 (expand_builtin_extract_return_addr): Likewise.
928 (expand_builtin_frob_return_addr): Likewise.
929 (expand_builtin_set_return_addr_reg): Likewise.
930 (expand_builtin_eh_stub): Likewise.
931 (expand_builtin_set_eh_regs): Likewise.
932 (eh_regs): Choose two call-clobbered registers for passing back values.
934 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
935 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
936 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
937 (stmp-multilib): Likewise.
938 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
940 * except.c: #include "defaults.h".
941 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
942 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
943 (register_exception_table_p): New fn.
944 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
945 (end_eh_unwinder): Likewise.
947 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
948 call __register_frame and __deregister_frame as needed.
949 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
950 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
951 EH_FRAME_SECTION_ASM_OP.
952 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
953 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
954 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
956 * dwarf2out.c (output_call_frame_info): If no support for
957 EXCEPTION_SECTION, mark the start of the frame info with a
959 * collect2.c (frame_tables): New list.
960 (is_ctor_dtor): Recognise frame entries.
961 (scan_prog_file): Likewise.
962 (main): Pass -fno-exceptions to sub-compile. Also do collection
963 if there are any frame entries.
964 (write_c_file_stat): Call __register_frame_table and
965 __deregister_frame as needed.
966 (write_c_file_glob): Likewise.
968 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
969 Also require unaligned reloc support.
970 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
971 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
972 * sparc/sysv4.h: Not here.
974 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
975 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
976 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
978 * libgcc2.c (L_eh): Reorganize, moving code shared by different
979 EH implementations to the top.
980 (find_exception_handler): Split out. Start from 0. Compare against
982 (__find_first_exception_table_match): Use it.
983 * except.c (output_exception_table): Don't do anything if there's
984 no table. Don't output a first entry of zeroes.
985 (eh_outer_context): Adjust properly.
986 (add_eh_table_entry): Use xrealloc.
987 * toplev.c (compile_file): Just call output_exception_table.
989 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
991 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
993 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
995 * except.c (eh_outer_context): Do masking using expand_and.
997 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
999 Add port done awhile ago for the ARC cpu.
1000 * arc/arc.h: New file.
1001 * arc/arc.c: New file.
1002 * arc/arc.md: New file.
1003 * arc/initfini.c: New file.
1004 * arc/lib1funcs.asm: New file.
1005 * arc/t-arc: New file.
1006 * arc/xm-arc.h: New file.
1007 * ginclude/va-arc.h: New file.
1008 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
1009 * ginclude/varargs.h: Likewise.
1010 * Makefile.in (USER_H): Add va-arc.h.
1011 * configure.in (arc-*-elf*): Recognize.
1012 * longlong.h: Add ARC support.
1014 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
1016 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
1017 when clearing non-BLKmode data.
1019 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
1021 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
1022 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
1024 * xm-m88k.h (USG): Only define if it hasn't already been defined.
1026 * Makefile.in (risky-stage1): Delete gratutious whitespace.
1028 * Makefile.in (clean): Delete libgcc1-test.
1030 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
1032 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
1034 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
1037 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1039 * dwarf2out.c (output_call_frame_info): Call named_section.
1041 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
1043 * haifa-sched.c (print_value): Fix last change.
1045 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
1047 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
1050 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1052 * mips.c (function_prologue): Set up the CFA when ABI_32.
1054 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
1055 for dwarf2 unwind info.
1056 (output_function_prologue, sparc_flat_output_function_prologue): Same.
1058 * final.c (final_end_function): Check dwarf2out_do_frame instead
1059 of DWARF2_DEBUG for dwarf2 unwind info.
1060 (final_scan_insn): Likewise.
1061 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
1064 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
1067 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
1069 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
1071 * v850.h (ASM_SPEC): Pass on target processor.
1072 (CPP_PREDEFINES): Only define if not already specified.
1073 (TARGET_VERSION): Only define if not already specified.
1074 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
1076 (EXTRA_SWITCHES): Extra entries in the switches array.
1077 (TARGET_DEFAULT): Set default target processor.
1079 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
1081 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
1082 cases, add %# and %/, and add : to make them into extended asms.
1084 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
1086 * alias.c (init_alias_analysis): Clean up incompatible pointer
1087 type warning in bzero.
1088 * regmove.c (regmove_optimize): Ditto.
1089 * haifa-sched.c (find_rgns): Ditto.
1091 * haifa-sched.c (print_value): Clean up ptr->int cast
1094 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
1096 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
1097 * install.texi (Configurations): Ditto.
1098 * config.sub: Ditto.
1100 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
1102 * Makefile.in (sdbout.o): Depend on insn-config.h.
1104 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
1106 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
1107 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
1109 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
1111 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
1112 prologue insn, only the first elt is significant.
1113 (output_call_frame_info): For exception handling, always use 4-byte
1114 fields as specified by the dwarf2 spec.
1115 Don't skip trivial FDEs.
1117 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
1119 * version.c: Bump for snapshot.
1121 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
1123 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
1124 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
1127 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
1129 * final.c (shorten_branches): During first pass, assume worst
1130 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
1132 * Makefile.in (distclean): Remove various things left around
1133 by running the testsuite.
1135 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
1137 * configure.in (out_file): Emit definition to config.status in order
1138 to have a defined value for configure.lang.
1139 * configure: Re-built.
1141 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
1143 * configure.in: Make symlink to as-new rather than as.new. Similarly
1145 * configure: Rebuilt.
1147 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
1149 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
1151 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
1153 * sparc/sparc.md: Add ultrasparc scheduling support.
1154 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
1156 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1158 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
1159 as initial value for real_label_map.
1160 (copy_for_inline): Likewise.
1162 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1164 * sched.c (update_flow_info) When looking if to set found_split_dest
1165 or found_orig_dest, look at all parts of a PARALLEL.
1166 * haifa-sched.c (update_flow_info): Likewise.
1168 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
1170 * v850: New directory for v850 port.
1171 * v850/lib1funcs.asm: New file.
1172 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
1173 * ginclude/va-v850.h: New file.
1174 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
1175 * configure.in (mn10200-*-*): New target.
1176 * configure: Rebuilt.
1177 * config.sub: Handle v850-elf.
1178 * Makefile.in (USER_H): Add va-mn10200.h.
1179 * invoke.texi: Document v850 stuff.
1181 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
1183 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
1184 has integer TYPE_{MAX,MIN}_VALUE before using them.
1186 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
1187 __HPUX_ASM__ versions.
1189 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
1191 * install.sh: Delete duplicate install script.
1193 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
1195 * reg-stack.c (subst_stack_regs): Pop the stack register for a
1196 computed goto which sets the same stack register.
1198 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
1199 destination are both on the regstack.
1200 (subst_stack_regs_pat): Put the destination at the top of the regstack.
1202 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
1204 * mips.md (nonlocal_goto_receiver): Define.
1206 * profile.c (output_arc_profiler): Check next_insert_after for non
1207 NULL before deferencing it.
1209 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
1211 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
1213 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
1215 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
1217 * toplev.c (rest_of_compilation): For passes starting with
1218 flow_analysis, use print_rtl_with_bb instead of print_rtl.
1220 * print-rtl.c (print_rtl_single): Print a single rtl value to a
1223 * flow.c (print_rtl_with_bb): Print which insns start and end
1224 basic blocks. For the start of a basic block, also print the live
1227 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
1229 * toplev.c (main): Change #elif to #else/#ifdef
1231 * tlink.c: Include ctype.h.
1232 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
1234 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
1236 * bitmap.c: Conditionally include stdlib.h.
1237 (free): Provide a declaration if NEED_DECLARATION_FREE.
1239 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
1241 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
1243 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
1245 * profile.c (output_arc_profiler): Verify next_insert_after is an
1246 INSN before and after skipping a stack pop.
1248 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1250 * final.c (shorten_branches): Don't count the lengths of deleted
1253 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
1255 * version.c: Bump for snapshot.
1257 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
1259 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
1260 two bitmaps ANDed together.
1261 (bitmap_print): Declare.
1263 * bitmap.c (function_obstack): Don't declare any more.
1264 (bitmap_obstack): Obstack for allocating links from.
1265 (bitmap_obstack_init): New static to say whether to initialize
1267 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
1268 (bitmap_release_memory): Free all memory allocated from
1271 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
1272 EXECUTE_IF_AND_IN_BITMAP.
1274 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
1276 * alias.c (true_dependence): Address with AND can alias scalars.
1277 (anti_dependence, output_dependence): Likewise.
1279 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
1281 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
1283 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
1284 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
1285 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
1286 definitions. Use -qrtems instead of -mrtems.
1288 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
1290 * xm-sco5.h (sys_siglist): Define.
1291 (SYS_SIGLIST_DECLARED): Likewise.
1293 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
1295 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
1297 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
1299 * except.c (eh_outer_context): Expand masking operation using
1302 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
1304 * alpha.md (floatdisf2-1): New pattern.
1306 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
1308 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
1309 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
1310 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
1311 * gcc.texi: Note that if you define sys_siglist that you should
1312 also define SYS_SIGLIST_DECLARED.
1314 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
1315 are relative to the next instruction, not the current instruction.
1317 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
1319 * local-alloc.c (contains_replace_regs): New function.
1320 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
1321 verify that there is no existing REG_EQUIV note, and add a call to
1322 contains_place_regs.
1324 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1326 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
1327 (STARTFILE_SPEC): Always use crtbegin.o%s
1328 (ENDFILE_SPEC): Always use crtend.o%s.
1330 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
1332 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
1334 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
1335 SFmode for 64 bit hosts.
1337 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
1339 * fixincludes: Permits spaces between # and define. Discard C++
1340 comments in sys/pci.h on HP/UX 10.20.
1342 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
1344 * version.c: Bump for snapshot.
1346 * pa.c (restore_unscaled_index_insn_codes): New function.
1347 (record_unscaled_index_insn_codes): Likewise.
1348 (output_function_prologue): Call restore_unscaled_index_insn_codes.
1349 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
1350 (pa_reorg): Call record_unscaled_index_insn_codes.
1352 * haifa-sched.c (move_insn): Handle notes correctly for insns
1353 with SCHED_GROUP_P set.
1355 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1357 * alpha/xm-linux.h (USE_BFD): Undef before define.
1359 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
1361 * cse.c (cse_insn): Don't record BLKmode values.
1363 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
1365 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
1367 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
1369 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
1370 * collect2.c (sys_errlist): Likewise.
1371 * cpplib.c (sys_errlist): Likewise.
1372 * gcc.c (sys_errlist): Likewise.
1373 * protoize (sys_errlist): Likewise.
1374 * configure.in: Check for strerror.
1375 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
1376 * xm-gnu.h (HAVE_STRERROR): Likewise.
1377 * xm-linux.h (HAVE_STRERROR): Likewise.
1378 * xm-netbsd.h (HAVE_STRERROR): Likewise.
1379 * xm-bsd386.h (HAVE_STRERROR): Likewise.
1380 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
1381 * xm-dos.h (HAVE_STRERROR): Likewise.
1382 * xm-mingw32.h (HAVE_STRERROR): Likewise.
1383 * xm-pa.h (HAVE_STRERROR): Likewise.
1384 * xm-papro.h (HAVE_STRERROR): Likewise.
1385 * xm-sysv4.h (HAVE_STRERROR): Likewise.
1386 * configure, config.in: Rebuilt.
1388 * Makefile.in: Add several missing "else true" clauses.
1390 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
1391 * mips-tfile.c: Likewise.
1392 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
1393 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
1394 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
1395 * configure.in: Check for sys_siglist declaration.
1396 * configure, config.in: Rebuilt.
1398 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
1400 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
1401 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
1402 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
1403 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
1404 * rs6000/sysv4.h (extra_subtarget_switches): Added new
1405 macro EXTRA_SUBTARGET_SWITCHES.
1406 * configure.in (sh*-*-rtems*): New target.
1407 * sh/rtems.h: New file.
1408 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
1409 * configure: Rebuilt.
1411 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
1413 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
1415 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
1417 * rs6000.md: Make DF fused-add operations pay attention to
1420 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
1422 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
1424 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
1426 * pa.md (reload_peepholes): Make sure operand is a REG before
1427 examining REGNO. Allow general registers too.
1429 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
1431 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
1433 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
1435 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
1436 to reallocate abbrev_die_table.
1438 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
1440 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
1442 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1444 * Makefile.in (config.status): Depend on version.c
1446 * expr.h (insn_gen_function): Reenable prototype.
1448 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
1451 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
1453 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
1455 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
1457 * version.c: Bump for latest snapshot.
1459 * bc-optab.c: Conditionally include stdlib.h.
1460 (free): Provide a declaration if NEED_DECLARATION_FREE.
1461 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
1462 * rtl.h (free): Remove declaration.
1463 * tree.h (free): Remvoe declaration.
1465 * configure: Rebuilt.
1467 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
1469 * flags.h (flag_move_all_movables): Declare.
1470 (flag_reduce_all_givs): Likewise.
1471 * loop.c (move_movables): Handle flag_move_all_movables.
1472 (strength_reduce): Handle flag_reduce_all_givs.
1473 * toplev.c (flag_move_all_movables): Define.
1474 (flag_reduce_all_givs): Likewise.
1475 (f_options): Add -fmove-all-movables and -freduce-all-givs.
1476 * invoke.texi: Document new options, including alias stuff that
1477 wasn't included last time.
1479 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
1481 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
1484 * t-vxworks68: Ditto.
1485 * t-vxworks960: Ditto.
1488 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
1490 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
1491 if not already defined, and USE_C_ALLOCA not defined.
1493 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
1495 * config.guess: Replace with script that uses ../config.guess.
1497 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
1498 if USE_GNULIBC_1 is not defined.
1500 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
1502 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
1503 * config.guess: Recognize alpha-linux-gnulibc1.
1504 * configure.in (alpha-*-linux-gnulibc1): New target.
1505 (alpha-*-linux-gnu*): Don't build crtbegin/end.
1507 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
1509 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
1512 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
1514 * loop.c (combine_movables): Earlier insns don't match later ones.
1516 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1518 * config/linux.h (CC1_SPEC): Define it only if not defined.
1520 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
1523 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
1524 USE_GNULIBC_1 is not defined.
1526 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
1528 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
1529 as 1 if USE_GNULIBC_1 is not defined.
1531 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
1533 * reorg.c (dbr_schedule): Allow current_function_return_rtx
1534 to be something other than a REG.
1535 * function.c (expand_function_end): Fix current_function_return_rtx
1538 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
1539 * x-netbsd: Likewise
1540 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
1541 (INSTALL_HEADERS): Delete.
1542 * x-dguxbcs: Likewise.
1543 * x-hp3bsd44: Likewise
1546 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1548 * i386.md (pop): pop increments the stack pointer.
1549 (prologue_set_stack_ptr): New pattern.
1550 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
1553 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
1555 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
1556 address where an offsettable address is required.
1558 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
1560 * loop.c (check_final_value): Don't miss a biv increment in a
1563 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
1565 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
1566 TYPE_DECL_IS_STUB instead of DECL_NAME.
1568 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1570 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
1572 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
1574 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
1576 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
1578 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
1579 (find_post_sched_live): Likewise.
1581 * haifa-sched.c (schedule_block): Remove old code to get arguments
1582 from hard regs into pseudos early.
1584 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
1586 * version.c: Bump for new snapshot.
1588 * local-alloc.c (update_equiv_regs): All the target to reject
1589 promotion of some REG_EQUAL to REG_EQUIV notes.
1590 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
1592 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
1595 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
1596 store of the argument registers.
1598 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
1600 * fold-const.c (multiple_of_p): New function.
1601 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
1603 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
1605 * expr.h (insn_gen_function): Temporarily remove prototype.
1607 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
1609 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
1610 filenames. Use sed to extract base filename for install.
1612 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
1614 * unroll.c (find_splittable_givs): Only share if two givs have the
1615 same add and multiply values.
1617 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
1619 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
1620 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
1622 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
1624 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
1625 around branch tables.
1626 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
1627 and .end_brtab directives if TARGET_GAS.
1629 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
1631 * alias.c (true_dependence): Pass x_addr not x to varies.
1633 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
1634 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
1635 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
1637 * config.in, configure: Regenerate.
1639 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
1641 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
1643 (record_set): Handle LO_SUM like PLUS.
1644 (init_alias_analysis): When following chains of base addresses,
1645 do not stop on reaching a hard register.
1647 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
1649 * version.c: Bump for new snapshot.
1651 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
1653 * alpha.h (ARCH_ASM_FILE_START): Define.
1654 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
1655 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
1657 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
1659 * Makefile.in (install-common): Put gcov comment at start of line.
1661 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
1663 * alias.c (init_alias_analysis): When simplifying the reg_base_value
1664 array, simplify entries for hard registers too.
1666 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
1668 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
1671 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
1673 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
1674 block_stack before dereferencing it.
1676 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
1678 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
1680 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1682 * cplus-dem.c: Add 'extern' to prepends_underscore.
1684 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
1686 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
1687 (get_issue_rate): Delete.
1688 * pa.h (ISSUE_RATE): Define.
1690 * configure.in: Turn on haifa by default for the PA.
1691 * configure: Rebuilt.
1692 * pa.c (override_options): Accept -mschedule=7200 option.
1693 (pa_adjust_cost): No longer need to scale costs for newer
1695 * pa.h (enum processor_type): Add PROCESSOR_7200.
1696 * pa.md: Revamp scheduling parameters to work better with
1697 haifa. Add scheduling parameters for the 7200.
1699 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
1701 (schedule_block): When adjusting basic_block_{head,end}, account
1702 for movement of SCHED_GROUP_P insns too.
1704 * haifa-sched.c (debug_dependencies): Fix thinko.
1706 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
1707 (site.exp, check, check-g++, check-gcc): New targets.
1709 * haifa-sched.c: Make lots of variables static.
1711 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1713 * expr.h, real.h: Finish prototyping.
1715 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
1717 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
1718 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
1719 * reload1.c: Undo bugfix from Aug 11.
1721 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
1723 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
1724 quotes around the name.
1725 * configure: Regenerate.
1727 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
1729 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
1731 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
1733 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
1734 to sub-makes to avoid building more passes than the user might have
1735 requested on the command line.
1737 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
1739 * configure.in: Expurgate `broken_install' (install is
1742 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
1745 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
1747 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
1748 functions and declarations.
1749 (analyze_loop_iterations): Use condjump_p.
1750 (insert_bct): Likewise. Use exact_log2.
1752 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
1754 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
1755 (schedule_region): Likewise.
1756 (schedule_insns): Likewise.
1758 * PROJECTS: Update with Haifa stuff.
1760 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
1762 * version.c: Change the version string to look like:
1763 egcs-2.90.00 970814 (gcc2-970802 experimental).
1765 * loop.c (is_conditional_branch): Make definition match declaration.
1767 * gcc.c: Take out experimental snapshot warning message.
1769 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
1771 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
1772 print out the names of the notes. Print out the name of the insn
1773 that is not a note, and not an {,CALL_,JUMP_}INSN.
1775 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1777 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1778 again for the slot after we give it RTL.
1780 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
1782 * configure.in (haifa configury): Fix typo.
1783 * configure: Regenerate.
1785 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
1787 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
1789 * gcc.info*: Rebuilt.
1791 * COPYING.g77, README.g77: New files.
1792 * real.c (ereal_unto_float, ereal_unto_double): New functions.
1793 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
1794 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
1796 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
1798 * Integrate Haifa instruction scheduler.
1799 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
1800 to sched with $(SCHED_CFLAGS.
1801 * configure.in: Handle --enable-haifa.
1802 * configure: Rebuilt.
1803 * flags.h: Add new flags for haifa instruction scheduler.
1804 * genattrtab.c (expand_units): For haifa, don't subtract one
1805 when computing blockage.
1806 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
1807 (flag_schedule_speculative): Ditto.
1808 (flag_schedule_speculative_load): Ditto.
1809 (flag_schedule_speculative_load_dangerous): Ditto.
1810 (flag_schedule_reverse_before_reload): Ditto.
1811 (flag_schedule_reverse_after_reload): Ditto.
1812 (flag_branch_on_count_reg): Ditto.
1813 (f_options): Add Haifa switches.
1814 (main): Turn off some Haifa options if appropriate macro is
1815 defined. Process Haifa switches.
1816 * unroll.c (iteration_info): No longer static, since Haifa
1818 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
1819 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
1820 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
1821 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
1822 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
1823 storage for the Haifa scheduler.
1824 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
1826 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
1827 are defined, call analyze_loop_iterations and insert_bct to use
1829 (record_giv): Refine test for jumps out of loops if HAIFA is
1831 (analyze_loop_iterations): New function to identify if we can use
1833 (insert_bct): Insert countdown loop.
1834 (instrument_loop_bct): Low level code to insert countdown loop.
1835 (loop_number): Calculate UID of loop.
1836 (indirect_jump_in_function_p): Return true if an indirect jump is
1838 (is_power_of_2): Return true if value is a power of 2.
1839 (is_conditional_branch): Return true if insn is a conditional
1841 (fix_bct_param): Process -fbct-{min,max}-N switches.
1842 (check_bct_param): Return true if loop should be instrumented.
1843 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
1844 (loop_optimize): Initialize.
1845 (get_condition_for_loop): Ditto.
1846 * loop.c (strength_reduce): Inside of code that uses #ifdef
1847 HAVE_decrement_and_branch_on_count code, test it to make sure the
1849 (instrument_loop_bct): Ditto.
1850 * haifa-sched.c: New file.
1853 * Integrate regmove pass.
1854 * Makefile.in (OBJS): Add regmove.o
1855 (regmove.o): Add dependencies.
1856 * flow.c (find_use_as_address): No longer static.
1857 * rtl.h (find_use_as_address): Declare.
1858 * toplev.c (regmove_dump, flag_regmove): Define.
1859 (f_options): Add -fregmove.
1860 (regmove_dump_file, regmove_time): Define.
1861 (fatal_insn): Close the regmove dump file.
1862 (compile_file): Initialize regmove_time; open/close the regmove dump
1863 file as needed. Print regmove time as needed.
1864 (rest_of_compilation): Run regmove pass if requested, dump
1865 RTL after regmove if requested.
1866 (main): If -O2 or more, turn on regmove. Handle dump switches.
1867 * regmove.c: New file.
1869 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
1871 * Integrate tlink patch from jason@cygnus.com
1872 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
1873 (process_command): Increment n_switches for them. Don't discard
1874 their args. Validate them.
1875 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
1877 (process_command): Set include_prefixes from COMPILER_PATH.
1878 (main): Set COLLECT_GCC_OPTIONS sooner.
1879 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
1880 * tlink.c, hash.c, hash.h: New files.
1881 * Makefile.in (USE_COLLECT2): Always use collect2.
1882 (collect2): Depend on and link in hash.o and tlink.o.
1883 (tlink.o, hash.o): Add dependencies.
1885 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
1887 * Integrate alias analysis changes from jfc@mit.edu
1888 * Makefile.in (OBJS): Add alias.o
1889 (alias.o): Add dependencies.
1890 * alias.c: New file.
1891 * sched.c: Remove alias analysis code. It lives in alias.c now.
1892 (sched_analyze_2): Add new arguments to true_dependence.
1893 (schedule_insns): Always call init_alias_analysis.
1894 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
1895 mark return value from such functions as a pointer and keep track of
1896 them for alias analysis. If a return value from a function is a
1897 pointer, mark it as such.
1898 * combine.c (distribute_notes): Handle REG_NOALIAS.
1899 * cse.c (struct write_data): Delete. No longer needed.
1900 (invalidate): Don't call set_nonvarying_address_components anymore.
1901 Use true_dependence to decide if an entry should be removed from
1903 (invalidate_memory): Remove WRITES argument, simplify appropriately.
1905 (note_mem_written): Similarly for WRITE_PTR argument.
1906 (invalidate_from_clobbers): Similarly for W argument.
1907 (invalidate_for_call): Remove memory elements from the hash table.
1908 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
1909 (cse_rtx_varies_p): New function. Derived from old
1910 cse_rtx_addr_varies_p.
1911 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
1912 Don't call note_mem_written anymore. Stack pushes invalidate the stack
1913 pointer if PUSH_ROUNDING is defined. No longer need to call
1914 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
1915 (skipped_writes_memory): Remove variable.
1916 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
1917 (invalidate_skipped_block): Simplify for new alias analysis code.
1918 (cse_set_around_loop): Likewise.
1919 (cse_main): Call init_alias_analysis.
1920 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
1921 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
1922 (f_options): Add new alias checking arguments.
1923 (main): Set flag_alias_check when optimizing.
1924 * local_alloc (validate_equiv_mem_from_store): Add new arguments
1926 (memref_referenced_p): Likewise.
1927 * loop.c (NUM_STORES): Increase to 30.
1928 (prescan_loop): Only non-constant calls set unknown_address_altered.
1929 (invariant_p): Add new arguments to true_dependence.
1930 (record_giv): Initialize unrolled and shared fields.
1931 (emit_iv_add_mult): Call record_base_value as needed.
1932 * loop.h (struct induction): Add unrolled and shared fields.
1933 * unroll.c (unroll_loop): Call record_base_value as needed.
1934 (copy_loop_body): Likewise.
1935 (final_biv_value): Likewise.
1936 (final_giv_value): Likewise.
1937 (find_splittable_regs): Likewise. Only create one new pseudo
1938 if we have multiple address GIVs that were combined with the same
1939 dst_reg GIV. Note when a new register is created due to unrolling.
1940 * rtl.c (reg_note_name): Add REG_NOALIAS.
1941 * rtl.h (enum reg_note): Similarly.
1942 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
1943 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
1944 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
1945 (true_dependence, read_dependence, anti_dependence): Likewise.
1946 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
1947 (mark_user_reg, mark_reg_pointer): Likewise.
1950 * Integrate reload bugfix from Wilon which enables the PA port
1952 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
1953 OPERAND_ADDRESS when computing how many registers an insn needs.
1954 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
1956 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
1958 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
1959 in reload_reg_use_in_op_addr do not reach the end.
1960 do not reach the end.
1961 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
1962 RELOAD_FOR_OPERAND_ADDRESS.
1964 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
1966 * egcs project officially starts.
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