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.c (dwarf2out_cfi_label): Extern no longer needed.
6 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
8 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
9 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
10 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
11 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
12 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
13 (SPARC_FP_ARG_FIRST): New macro.
14 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
15 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
16 (NPARM_REGS): There are 32 fp argument registers now.
17 (FUNCTION_ARG_REGNO_P): Likewise.
18 (FIRST_PARM_OFFSET): Update to new v9 abi.
19 (REG_PARM_STACK_SPACE): Define for arch64.
20 (enum sparc_arg_class): Delete.
21 (sparc_arg_count,sparc_n_named_args): Delete.
22 (struct sparc_args): Redefine and use for arch32 as well as arch64.
23 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
24 (FUNCTION_ARG_ADVANCE): Rewrite.
25 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
26 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
27 (FUNCTION_ARG_CALLEE_COPIES): Delete.
28 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
29 (STRICT_ARGUMENT_NAMING): Define.
30 (doublemove_string): Declare.
31 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
32 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
33 (doublemove_string): New function.
34 (output_move_quad): Clean up some of the arch64 support.
35 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
36 Don't add 8 bytes of reserved space if arch64.
37 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
38 (init_cumulative_args): New function.
39 (function_arg_slotno): New static function.
40 (function_arg,function_arg_partial_nregs): New functions.
41 (function_arg_{pass_by_reference,advance}): New functions.
42 (function_arg_padding): New function.
44 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
46 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
47 for hard regs to determine base and index registers.
49 * reload.c (debug_reload_to_stream): New function. Specify stream
50 into which to write debug info.
51 (debug_reload): Modify to call debug_reload_to_stream with stderr.
53 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
55 * combine.c (can_combine_p): Don't combine with an asm whose
56 output is a hard register.
58 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
60 * c-decl.c (start_struct): Ensure that structs with forward
61 declarations are in fact packed when -fpack-struct is given.
63 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
64 we are packing a structure. This allows a structure with only
65 bytes to be aligned on a byte boundary and have no padding on a
68 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
70 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
72 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
74 * alpha.c (alpha_return_addr_rtx): New variable.
75 (alpha_save_machine_status): New; save it.
76 (alpha_restore_machine_status): New; restore it.
77 (alpha_init_expanders): New; clear it.
78 (alpha_return_addr): New; set it.
79 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
80 is overly conservative, so search the insns explicitly.
81 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
82 (alpha_sa_size [VMS && !VMS]): Likewise.
83 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
84 (INIT_EXPANDERS): New definition.
86 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
87 (output_prolog [!VMS]): Use them.
89 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
90 (alpha_does_function_need_gp): ... a new function. Refine the
91 CALL_INSN test to just TYPE_JSR.
92 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
94 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
96 * version.c: Bump for snapshot.
98 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
100 * pa.c (move_operand): Respect -mdisable-indexing.
101 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
103 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
105 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
107 (umulsidi3,umulsi3_highpart): Ditto.
108 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
110 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
112 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
113 (alpha_handle_trap_shadows): ... a new function. Handle the entire
114 function in one go. Emit RTL for trapb, instead of printf directly.
115 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
116 (trap_pending): Kill global variable.
117 (output_epilog): Don't call final_prescan_insn.
118 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
119 * alpha.h (FINAL_PRESCAN_INSN): Remove.
120 (MACHINE_DEPENENT_REORG): Define.
121 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
124 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
126 Tune Haifa scheduler for Alpha:
127 * alpha.h (ISSUE_RATE): Define.
128 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
129 EV4 adjustments to EV5.
130 * alpha.md: Remove all scaling from function unit delays. Rework
131 EV5 function units to match the CPU.
132 (umuldi3_highpart): EV5 added the IMULH insn class.
134 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
136 * pa.c (following_call): Fail if the CALL_INSN is an indirect
139 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
141 * cplus-dem.c (demangle_signature): Don't look for return types on
142 constructors. Handle member template constructors.
144 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
146 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
147 * tree.h: Declare them.
149 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
151 * configure.in: Handle --with-newlib.
152 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
154 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
156 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
158 * config/ptx4.h: Fix typo.
160 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
162 * version.c: Bump for snapshot.
164 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
166 * aclocal.m4: Substitute INSTALL.
167 * configure: Re-built.
169 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
171 * integrate.c (save_for_inline_copying): Avoid undefined pointer
173 (expand_inline_function): Likewise.
175 * dwarf2out.c (output_call_frame_info): Reinstate last change
176 using flag_debug_asm check instead of flag_verbose_asm.
178 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
180 * dwarf2out.c (output_call_frame_info): Remove last change.
182 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
184 * frame.c (__frame_state_for): Execute the FDE insns until the
185 current pc value is strictly bigger than the target pc value.
187 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
189 * regclass.c (init_reg_modes): If we can't find a mode for the
190 register, use the previous one.
192 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
194 * haifa-sched.c (print_block_visualization): Call fprintf directly,
195 don't sprintf through an alloca'ed buffer.
197 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
199 * reload.c (decompose): Always initialize val.base.
201 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
203 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
205 * dwarf2out.c (output_call_frame_info): Call app_enable and
206 app_disable to let GNU as accept the generated comments.
208 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
210 * tree.h (get_file_function_name): Add declaration.
211 * dwarf2out.c (output_call_frame_info): No need to cast
212 get_file_function_name call anymore.
213 * profile.c (toplevel): Remove get_file_function_name
215 * c-lang.c (finish_file): Ditto.
217 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
219 * Makefile.in (program_transform_name): Let autoconf substitute
222 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
224 * haifa-sched.c (schedule_block): If the first real insn in a
225 block has any special notes attached to it, remove them.
227 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
229 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
231 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
233 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
235 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
237 * Makefile.in (check-g77): New test target.
238 (CHECK-TARGETS): Add check-g77.
240 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
242 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
244 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
246 * flow.c (print_rtl_with_bb): Cast alloca return value for
249 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
251 * i386.h (RETURN_ADDR_RTX): New definition that works for
252 __builtin_return_address(0) and -fomit-frame-pointer.
254 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
257 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
259 * mips.c (function_arg): Handle passing a struct
260 containing a double in a DFmode register without the PARALLEL.
262 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
264 * pexecute.c: Use spawn if __CYGWIN32__.
266 * pexecute.c: Include "config.h" first, as per autoconf manual
267 (from Paul Eggert <eggert@twinsun.com>).
269 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
271 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
272 optimisation for f/expr.o and f/stb.o.
274 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
276 * cse.c (this_insn_cc0_mode): Initialize.
278 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
280 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
282 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
284 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
286 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
287 that pair will dual-issue on the 21164 and plus+beq won't.
288 (bne): Likewise for cmpeq+beq.
290 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
292 * except.c (find_exception_handler_labels): Correct argument to free.
294 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
296 * except.c (find_exception_handler_labels): Free LABELS when we're
299 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
301 * version.c: Bump for snapshot.
303 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
305 * flow.c (find_basic_blocks): Mark calls as potentially jumping
308 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
310 * configure.in: Substitute for "install" too.
311 * configure: Rebuilt.
313 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
315 * Makefile.in (bootstrap-lean, compare-lean): New targets.
317 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
319 * alias.c (base_alias_check): Two symbols can conflict if they
320 are accessed via AND.
321 (memrefs_conflict_p): Likewise.
323 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
324 after flushing argument registers to the stack.
326 * Makefile.in (mostlyclean): Remove .regmove files.
328 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
330 * libgcc2.c (__throw): Fix thinko.
332 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
334 * cplus-dem.c (demangle_template): Add new parameter. Handle new
335 template-function mangling.
336 (consume_count_with_underscores): New function.
337 (demangle_signature): Handle new name-mangling scheme.
339 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
341 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
344 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
346 * frame.c: Remove last change.
347 * dwarf2.h: Remove last change.
348 * tree.h: Add declarations of DWARF2 unwind info support
351 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
353 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
354 * tree.h (built_in_function): Likewise.
355 * expr.c (expand_builtin): Likewise.
356 * except.h: Likewise.
357 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
358 * libgcc2.c (copy_reg): New fn.
361 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
363 * c-typeck.c (build_binary_op): Warn about comparing signed vs
364 unsigned if -W is specified and -Wno-sign-compare is not.
365 * c-decl.c (warn_sign_compare): Initialize to -1.
366 (c_decode_option): -Wall no longer implies -Wsign-compare.
368 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
370 * frame.c: Include gansidecl.h for PROTO.
371 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
372 defined. Don't declare dwarf2out_cfi_label here.
373 * dwarf2.h: Add declarations of DWARF2 unwind info support
375 * m68k.c: Include dwarf2.h.
376 (output_function_prologue): Add dwarf2 support.
377 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
378 (INCOMING_FRAME_SP_OFFSET): Likewise.
380 * integrate.c (expand_inline_function): Make sure there is at
381 least one insn that can be used as an insertion point.
383 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
385 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
387 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
389 * version.c: Bump for snapshot.
391 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
395 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
397 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
398 (get_pc_via_rdpc): Renamed from get_pc_sp64.
399 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
401 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
403 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
404 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
406 (sparc_align_{loops,jumps,funcs}_string): Declare.
407 (sparc_align_{loops,jumps,funcs}): Declare.
408 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
409 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
410 (STACK_BIAS): Define.
411 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
413 (SPARC_SETHI_P): New macro.
414 (CONST_OK_FOR_LETTER_P): Use it.
415 (ASM_OUTPUT_ALIGN_CODE): Define.
416 (ASM_OUTPUT_LOOP_ALIGN): Define.
417 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
418 (sparc_align_{loops,jumps,funcs}): New globals.
419 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
421 (move_operand): Use SPARC_SETHI_P.
422 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
424 (arith11_double_operand): Likewise.
425 (arith10_double_operand): Likewise.
426 (finalize_pic): Finish sparc64 support.
427 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
428 64 bit constants if able.
429 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
430 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
432 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
433 (get_pc_sp32): Use for sparc64 as well.
434 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
435 (sethi_di_sp64_const): Likewise.
436 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
437 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
438 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
440 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
442 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
443 * sparc/linux.h (COMMENT_BEGIN): Likewise.
444 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
446 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
448 Add sparc64 linux support.
449 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
450 to xm_file list on 32-bit sparc-linux.
451 * sparc/xm-sp64.h: New file.
452 * sparc/linux64.h: New file.
453 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
454 Don't include xm-sparc.h.
455 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
456 * glimits.h (LONG_MAX): Handle sparc64.
458 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
460 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
461 * sparc.h (ASM_COMMENT_START): Define.
462 * sparc.c (output_function_prologue): Use it.
463 (sparc_flat_output_function_{epi,pro}logue): Likewise.
465 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
467 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
468 use sparc.h's copies.
469 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
472 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
474 * sparc.c (dwarf2out_cfi_label): Add declaration.
475 (save_regs, output_function_prologue): Remove cast for it.
476 (sparc_flat_{save_restore,output_function_prologue): Likewise.
477 ({save,restore}_regs): No longer inline.
479 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
481 * fold-const.c (make_range): Correctly handle cases of converting
482 from unsigned to signed type.
484 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
486 * fold-const.c (merge_ranges): Make sure that if one range is subset
487 of another, it will always be the second range. Correct (+,-) case to
490 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
492 * final.c (final_end_function): Also do dwarf2 thing if
493 DWARF2_DEBUGGING_INFO.
494 (final_start_function): Likewise.
496 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
498 * expmed.c (expand_divmod): If compute_mode is not the same as
499 mode, handle the case where convert_modes() causes op1 to no
500 longer be a CONST_INT.
502 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
503 note holding get_jump_flags() calculation to all JUMP_INSNs.
504 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
505 * rtl.c (reg_note_name): Add new note types.
507 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
509 * rtlanal.c (computed_jump_p): Fix typo in last change.
511 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
513 * loop.c (indirect_jump_in_function_p): Return 0
516 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
518 * rs6000/xm-rs6000.h: Fix thinko in last change.
519 * rs6000/xm-sysv4.h: Likewise.
521 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
523 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
525 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
527 * reg-stack.c (find_blocks): Fix thinko in last change.
529 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
531 * m68k.c (output_function_prologue): Add dwarf2 support.
533 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
534 INCOMING_FRAME_SP_OFFSET): New definitions.
536 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
538 * combine.c (try_combine): Use NULL_RTX instead of '0' where
539 appropriate in calls to gen_rtx().
540 * cse.c (cse_main): Likewise.
541 * emit-rtl.c (gen_label_rtx): Likewise.
542 * expr.c (init_expr_once): Likewise.
543 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
544 sched_analyze, init_rgn_data_dependences,
545 compute_block_backward_dependences): Likewise.
546 * sched.c (schedule_insns): Likewise.
547 * varasm.c (immed_double_const): Likewise.
549 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
550 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
552 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
554 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
555 (MULTILIB_DEFAULTS): Define.
556 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
557 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
558 (LIBGCC_SPEC): Likewise.
559 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
560 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
561 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
562 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
563 (EXTRA_PARTS, TAROUTOPTS): Delete.
564 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
565 (MULTILIB_OPTIONS): Define.
566 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
567 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
569 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
571 * version.c: Bump for snapshot.
573 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
575 * loop.c (loop_number): Delete function. Change all references
576 to use uid_loop_num array.
577 * loop.h (loop_number): Delete declaration.
578 * unroll.c (unroll_loop): Change "loop_number" references to
579 use uid_loop_num instead.
581 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
583 (loop_unroll_iter): Remove unused variable and all references.
584 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
585 (insert_bct): Fix minor formatting problems.
586 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
587 (loop_unroll_iter): Removed unused decl.
588 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
589 Always record the unrolling factor.
591 * cse.c (simplify_relational_operation): Set h0u just like h0s.
592 Similarly for h1u and h1s.
594 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
595 (find_basic_blocks): Use computed_jump_p to determine if a
596 particular JUMP_INSN is a computed jump.
597 * reg-stack.c (find_blocks): Use computed_jump_p to determine
598 if a particular JUMP_INSN is a computed jump.
599 * rtlanal.c (jmp_uses_reg_or_mem): New function.
600 (computed_jump_p): Likewise.
601 * rtl.h (computed_jump_p): Declare.
602 * genattrtab.c (pc_rtx): Define and initialize.
603 * loop.c (loop_optimize): Always determine if the current
604 function has a computed jump.
605 (indirect_jump_in_function_p): Use computed_jump_p to determine
606 if a particular JUMP_INSN is a computed jump.
608 * loop.c (fix_bct_param): Delete unused function.
609 (check_bct_param): Likewise.
611 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
613 * frame.c (__deregister_frame): Check properly for initialized object.
615 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
617 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
619 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
621 * jump.c (thread_jumps): check can_reverse_comparison_p before
622 threading a reversed-condition jump.
624 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
625 * haifa-sched.c (update_flow_info): Likewise.
627 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
629 * Makefile.in (BOOT_CFLAGS): Use -O2.
631 * configure.in (strtoul, bsearch): Have autoconf check for these
633 * configure, config.in: Rebuilt.
635 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
636 * mips/mips.h (alloca): Likewise.
637 * rs6000/xm-rs6000.h (alloca): Likewise.
638 * rs6000/xm-sysv4.h: Likewise.
640 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
642 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
643 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
644 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
646 * except.c (end_eh_unwinder): Subtract 1 from return address.
647 * libgcc2.c (__throw): Likewise.
648 (find_exception_handler): Don't change PC here. Compare end with >.
650 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
652 * v850.c (compute_register_save_size): Correct register
654 * v850.md (save_interrupt, return_interrupt): Correct
656 * v850/lib1funcs.asm (save_interrupt): Correct register number.
657 (return_interrupt): Use stack pointer, not element pointer.
659 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
661 * configure.in, configure: Make sure to create the stage* and include
662 symbolic links in each subdirectory.
664 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
666 * pa.md (reload_peepholes): Don't allow addresses with side
667 effects for the memory operand.
669 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
671 * libgcc2.c (find_exception_handler): Subtract one from our PC when
672 looking for a handler, to avoid hitting the beginning of the next
675 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
677 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
679 * mips/abi64.h (LONG_MAX_SPEC): Define.
680 * mips.h (LONG_MAX_SPEC): Define.
681 (CPP_SPEC): Include long_max_spec.
682 (EXTRA_SPECS): Include long_max_spec.
684 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
686 * v850.c (construct_save_jarl): Fix thinko in last change.
688 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
690 * version.c: Bump for snapshot.
692 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
694 * libgcc2.c (find_exception_handler): Not found is -1.
696 * integrate.c (expand_inline_function): Move expand_start_bindings
697 after expanding the arguments.
699 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
701 * expr.c (expand_expr): Remove previous incorrect change.
702 If target and slot has no DECL_RTL, then call mark_addressable
703 again for the slot after we give it RTL.
705 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
707 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
708 again for the slot after we give it RTL.
710 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
712 * v850.c (register_is_ok_for_epilogue,
713 pattern_is_ok_for_epilogue, construct_restore_jr,
714 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
716 * v850.h (pattern_is_ok_for_prologue,
717 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
720 * v850.md: Replace prologue and epilogue patterns with a
721 match_parallel pattern.
723 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
725 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
726 * configure.in: Use EGCS_PROG_INSTALL.
728 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
730 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
731 extern inline function.
733 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
735 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
736 (concat_loc_descriptor): New function.
737 (loc_descriptor): Call it.
738 (add_AT_location_description): Also elide the descriptor if both
739 halves of a CONCAT are pseudos.
740 (add_location_or_const_value_attribute): Recognize CONCAT too.
742 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
744 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
746 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
747 out-or-range reg_offset.
748 (output_epilog): Likewise.
750 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
752 * cse.c (simplify_relational_operation): If MODE specifies a
753 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
754 is derived from the sign bit of the low word.
756 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
758 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
760 * dwarf2.h: Add DW_CFA_GNU_args_size.
761 * frame.c (execute_cfa_insn): Likewise.
762 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
763 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
764 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
765 insn, hand it off to dwarf2out_stack_adjust.
766 (dwarf2out_begin_prologue): Initialize args_size.
767 * frame.h (struct frame_state): Add args_size.
768 * libgcc2.c (__throw): Use args_size.
769 * final.c (final_scan_insn): If we push args, hand off all insns
770 to dwarf2out_frame_debug.
771 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
773 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
774 Handle epilogue restore of SP from FP.
775 * emit-rtl.c (gen_sequence): Still generate a sequence if the
776 lone insn has RTX_FRAME_RELATED_P set.
778 * frame.c (extract_cie_info): Handle "e" augmentation.
779 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
780 absence of UNALIGNED_*_ASM_OP.
781 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
782 (output_call_frame_info): Use "e" instead of "z" for augmentation.
783 Don't emit augmentation fields length.
784 (dwarf2out_do_frame): Move outside of #ifdefs.
785 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
788 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
789 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
790 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
791 * sparc/sun4gas.h: New file.
792 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
794 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
795 __register_frame_table and __deregister_frame.
797 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
799 * except.c (find_exception_handler_labels): Use xmalloc instead of
800 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
803 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
805 * Makefile.in: Various changes to build info files
806 in the object tree rather than the source tree.
808 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
810 * fixinc.math: New file to fix math.h on some systems.
811 * configure.in (freebsd, netbsd): Use fixinc.math on these
813 * configure: Rebuilt.
815 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
817 * regmove.c (regmove_optimize): If we end up moving the
818 original insn due to lifetime overlaps, make sure to move
821 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
823 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
825 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
827 * haifa-sched.c (add_branch_dependences): Make each insn in
828 a SCHED_GROUP_P block explicitly depend on the previous insn.
830 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
832 * except.h: Prototype dwarf2 hooks.
835 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
837 * configure.in (native_prefix): Delete.
838 (mips-dec-netbsd): Don't set prefix.
839 (*linux*): Don't set prefix.
841 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
843 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
844 defined. If not defined, include <sys/varargs.h> if
845 HAVE_SYS_VARARGS_H is defined.
846 * configure.in: Test for varargs.h and sys/varargs.h.
847 * configure: Regenerate with autoconf.
848 * config.in: Regenerate with autoheader.
850 * cpplib.c (quote_string): Cast first arg of sprintf call
851 from "unsigned char *" to "char *".
852 (output_line_command): Ditto.
853 (macroexpand): Ditto.
854 (do_line): Cast atoi arg from "unsigned char *" to "char *".
856 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
858 * version.c: Bump for snapshot.
860 * Makefile.in (compare): Exit with nonzero status if there
861 are comparison failures. Note which files failed the
862 comparison test in .bad_compare.
864 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
866 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
868 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
870 * Makefile.in (LN, LN_S): New macros, use where appropriate.
871 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
872 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
873 * configure: Regenerated.
875 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
877 * loop.c (strength_reduce): Fix typo.
879 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
881 * m88k/m88k.c (struct option): Rename to struct options.
882 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
883 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
884 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
885 __DOLPHIN__ or sysV88.
887 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
889 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
892 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
894 * config.sub: Accept 'amigados' for backward compatability.
896 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
898 * Makefile.in (testsuite/site.exp): New target.
899 (check-gcc, check-g++): Depend on testsuite/site.exp.
900 Don't stop for failure.
902 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
904 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
905 if DWARF2_UNWIND_INFO.
907 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
909 Add support for exception handling using DWARF 2 frame unwind info.
910 Currently works on SPARC and MIPS, and almost on x86.
912 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
913 next_stack_level, in_reg_window): Helper fns.
914 (__throw): Implement for DWARF2_UNWIND_INFO.
916 * expr.c (expand_builtin): Handle builtins used by __throw.
917 * tree.h (enum built_in_function): Add builtins used by __throw.
918 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
919 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
920 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
921 (expand_builtin_extract_return_addr): Likewise.
922 (expand_builtin_frob_return_addr): Likewise.
923 (expand_builtin_set_return_addr_reg): Likewise.
924 (expand_builtin_eh_stub): Likewise.
925 (expand_builtin_set_eh_regs): Likewise.
926 (eh_regs): Choose two call-clobbered registers for passing back values.
928 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
929 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
930 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
931 (stmp-multilib): Likewise.
932 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
934 * except.c: #include "defaults.h".
935 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
936 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
937 (register_exception_table_p): New fn.
938 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
939 (end_eh_unwinder): Likewise.
941 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
942 call __register_frame and __deregister_frame as needed.
943 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
944 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
945 EH_FRAME_SECTION_ASM_OP.
946 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
947 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
948 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
950 * dwarf2out.c (output_call_frame_info): If no support for
951 EXCEPTION_SECTION, mark the start of the frame info with a
953 * collect2.c (frame_tables): New list.
954 (is_ctor_dtor): Recognise frame entries.
955 (scan_prog_file): Likewise.
956 (main): Pass -fno-exceptions to sub-compile. Also do collection
957 if there are any frame entries.
958 (write_c_file_stat): Call __register_frame_table and
959 __deregister_frame as needed.
960 (write_c_file_glob): Likewise.
962 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
963 Also require unaligned reloc support.
964 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
965 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
966 * sparc/sysv4.h: Not here.
968 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
969 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
970 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
972 * libgcc2.c (L_eh): Reorganize, moving code shared by different
973 EH implementations to the top.
974 (find_exception_handler): Split out. Start from 0. Compare against
976 (__find_first_exception_table_match): Use it.
977 * except.c (output_exception_table): Don't do anything if there's
978 no table. Don't output a first entry of zeroes.
979 (eh_outer_context): Adjust properly.
980 (add_eh_table_entry): Use xrealloc.
981 * toplev.c (compile_file): Just call output_exception_table.
983 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
985 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
987 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
989 * except.c (eh_outer_context): Do masking using expand_and.
991 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
993 Add port done awhile ago for the ARC cpu.
994 * arc/arc.h: New file.
995 * arc/arc.c: New file.
996 * arc/arc.md: New file.
997 * arc/initfini.c: New file.
998 * arc/lib1funcs.asm: New file.
999 * arc/t-arc: New file.
1000 * arc/xm-arc.h: New file.
1001 * ginclude/va-arc.h: New file.
1002 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
1003 * ginclude/varargs.h: Likewise.
1004 * Makefile.in (USER_H): Add va-arc.h.
1005 * configure.in (arc-*-elf*): Recognize.
1006 * longlong.h: Add ARC support.
1008 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
1010 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
1011 when clearing non-BLKmode data.
1013 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
1015 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
1016 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
1018 * xm-m88k.h (USG): Only define if it hasn't already been defined.
1020 * Makefile.in (risky-stage1): Delete gratutious whitespace.
1022 * Makefile.in (clean): Delete libgcc1-test.
1024 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
1026 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
1028 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
1031 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1033 * dwarf2out.c (output_call_frame_info): Call named_section.
1035 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
1037 * haifa-sched.c (print_value): Fix last change.
1039 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
1041 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
1044 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1046 * mips.c (function_prologue): Set up the CFA when ABI_32.
1048 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
1049 for dwarf2 unwind info.
1050 (output_function_prologue, sparc_flat_output_function_prologue): Same.
1052 * final.c (final_end_function): Check dwarf2out_do_frame instead
1053 of DWARF2_DEBUG for dwarf2 unwind info.
1054 (final_scan_insn): Likewise.
1055 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
1058 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
1061 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
1063 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
1065 * v850.h (ASM_SPEC): Pass on target processor.
1066 (CPP_PREDEFINES): Only define if not already specified.
1067 (TARGET_VERSION): Only define if not already specified.
1068 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
1070 (EXTRA_SWITCHES): Extra entries in the switches array.
1071 (TARGET_DEFAULT): Set default target processor.
1073 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
1075 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
1076 cases, add %# and %/, and add : to make them into extended asms.
1078 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
1080 * alias.c (init_alias_analysis): Clean up incompatible pointer
1081 type warning in bzero.
1082 * regmove.c (regmove_optimize): Ditto.
1083 * haifa-sched.c (find_rgns): Ditto.
1085 * haifa-sched.c (print_value): Clean up ptr->int cast
1088 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
1090 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
1091 * install.texi (Configurations): Ditto.
1092 * config.sub: Ditto.
1094 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
1096 * Makefile.in (sdbout.o): Depend on insn-config.h.
1098 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
1100 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
1101 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
1103 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
1105 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
1106 prologue insn, only the first elt is significant.
1107 (output_call_frame_info): For exception handling, always use 4-byte
1108 fields as specified by the dwarf2 spec.
1109 Don't skip trivial FDEs.
1111 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
1113 * version.c: Bump for snapshot.
1115 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
1117 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
1118 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
1121 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
1123 * final.c (shorten_branches): During first pass, assume worst
1124 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
1126 * Makefile.in (distclean): Remove various things left around
1127 by running the testsuite.
1129 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
1131 * configure.in (out_file): Emit definition to config.status in order
1132 to have a defined value for configure.lang.
1133 * configure: Re-built.
1135 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
1137 * configure.in: Make symlink to as-new rather than as.new. Similarly
1139 * configure: Rebuilt.
1141 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
1143 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
1145 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
1147 * sparc/sparc.md: Add ultrasparc scheduling support.
1148 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
1150 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1152 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
1153 as initial value for real_label_map.
1154 (copy_for_inline): Likewise.
1156 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1158 * sched.c (update_flow_info) When looking if to set found_split_dest
1159 or found_orig_dest, look at all parts of a PARALLEL.
1160 * haifa-sched.c (update_flow_info): Likewise.
1162 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
1164 * v850: New directory for v850 port.
1165 * v850/lib1funcs.asm: New file.
1166 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
1167 * ginclude/va-v850.h: New file.
1168 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
1169 * configure.in (mn10200-*-*): New target.
1170 * configure: Rebuilt.
1171 * config.sub: Handle v850-elf.
1172 * Makefile.in (USER_H): Add va-mn10200.h.
1173 * invoke.texi: Document v850 stuff.
1175 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
1177 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
1178 has integer TYPE_{MAX,MIN}_VALUE before using them.
1180 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
1181 __HPUX_ASM__ versions.
1183 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
1185 * install.sh: Delete duplicate install script.
1187 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
1189 * reg-stack.c (subst_stack_regs): Pop the stack register for a
1190 computed goto which sets the same stack register.
1192 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
1193 destination are both on the regstack.
1194 (subst_stack_regs_pat): Put the destination at the top of the regstack.
1196 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
1198 * mips.md (nonlocal_goto_receiver): Define.
1200 * profile.c (output_arc_profiler): Check next_insert_after for non
1201 NULL before deferencing it.
1203 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
1205 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
1207 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
1209 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
1211 * toplev.c (rest_of_compilation): For passes starting with
1212 flow_analysis, use print_rtl_with_bb instead of print_rtl.
1214 * print-rtl.c (print_rtl_single): Print a single rtl value to a
1217 * flow.c (print_rtl_with_bb): Print which insns start and end
1218 basic blocks. For the start of a basic block, also print the live
1221 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
1223 * toplev.c (main): Change #elif to #else/#ifdef
1225 * tlink.c: Include ctype.h.
1226 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
1228 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
1230 * bitmap.c: Conditionally include stdlib.h.
1231 (free): Provide a declaration if NEED_DECLARATION_FREE.
1233 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
1235 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
1237 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
1239 * profile.c (output_arc_profiler): Verify next_insert_after is an
1240 INSN before and after skipping a stack pop.
1242 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1244 * final.c (shorten_branches): Don't count the lengths of deleted
1247 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
1249 * version.c: Bump for snapshot.
1251 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
1253 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
1254 two bitmaps ANDed together.
1255 (bitmap_print): Declare.
1257 * bitmap.c (function_obstack): Don't declare any more.
1258 (bitmap_obstack): Obstack for allocating links from.
1259 (bitmap_obstack_init): New static to say whether to initialize
1261 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
1262 (bitmap_release_memory): Free all memory allocated from
1265 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
1266 EXECUTE_IF_AND_IN_BITMAP.
1268 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
1270 * alias.c (true_dependence): Address with AND can alias scalars.
1271 (anti_dependence, output_dependence): Likewise.
1273 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
1275 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
1277 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
1278 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
1279 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
1280 definitions. Use -qrtems instead of -mrtems.
1282 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
1284 * xm-sco5.h (sys_siglist): Define.
1285 (SYS_SIGLIST_DECLARED): Likewise.
1287 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
1289 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
1291 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
1293 * except.c (eh_outer_context): Expand masking operation using
1296 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
1298 * alpha.md (floatdisf2-1): New pattern.
1300 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
1302 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
1303 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
1304 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
1305 * gcc.texi: Note that if you define sys_siglist that you should
1306 also define SYS_SIGLIST_DECLARED.
1308 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
1309 are relative to the next instruction, not the current instruction.
1311 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
1313 * local-alloc.c (contains_replace_regs): New function.
1314 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
1315 verify that there is no existing REG_EQUIV note, and add a call to
1316 contains_place_regs.
1318 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1320 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
1321 (STARTFILE_SPEC): Always use crtbegin.o%s
1322 (ENDFILE_SPEC): Always use crtend.o%s.
1324 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
1326 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
1328 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
1329 SFmode for 64 bit hosts.
1331 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
1333 * fixincludes: Permits spaces between # and define. Discard C++
1334 comments in sys/pci.h on HP/UX 10.20.
1336 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
1338 * version.c: Bump for snapshot.
1340 * pa.c (restore_unscaled_index_insn_codes): New function.
1341 (record_unscaled_index_insn_codes): Likewise.
1342 (output_function_prologue): Call restore_unscaled_index_insn_codes.
1343 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
1344 (pa_reorg): Call record_unscaled_index_insn_codes.
1346 * haifa-sched.c (move_insn): Handle notes correctly for insns
1347 with SCHED_GROUP_P set.
1349 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1351 * alpha/xm-linux.h (USE_BFD): Undef before define.
1353 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
1355 * cse.c (cse_insn): Don't record BLKmode values.
1357 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
1359 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
1361 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
1363 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
1364 * collect2.c (sys_errlist): Likewise.
1365 * cpplib.c (sys_errlist): Likewise.
1366 * gcc.c (sys_errlist): Likewise.
1367 * protoize (sys_errlist): Likewise.
1368 * configure.in: Check for strerror.
1369 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
1370 * xm-gnu.h (HAVE_STRERROR): Likewise.
1371 * xm-linux.h (HAVE_STRERROR): Likewise.
1372 * xm-netbsd.h (HAVE_STRERROR): Likewise.
1373 * xm-bsd386.h (HAVE_STRERROR): Likewise.
1374 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
1375 * xm-dos.h (HAVE_STRERROR): Likewise.
1376 * xm-mingw32.h (HAVE_STRERROR): Likewise.
1377 * xm-pa.h (HAVE_STRERROR): Likewise.
1378 * xm-papro.h (HAVE_STRERROR): Likewise.
1379 * xm-sysv4.h (HAVE_STRERROR): Likewise.
1380 * configure, config.in: Rebuilt.
1382 * Makefile.in: Add several missing "else true" clauses.
1384 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
1385 * mips-tfile.c: Likewise.
1386 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
1387 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
1388 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
1389 * configure.in: Check for sys_siglist declaration.
1390 * configure, config.in: Rebuilt.
1392 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
1394 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
1395 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
1396 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
1397 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
1398 * rs6000/sysv4.h (extra_subtarget_switches): Added new
1399 macro EXTRA_SUBTARGET_SWITCHES.
1400 * configure.in (sh*-*-rtems*): New target.
1401 * sh/rtems.h: New file.
1402 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
1403 * configure: Rebuilt.
1405 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
1407 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
1409 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
1411 * rs6000.md: Make DF fused-add operations pay attention to
1414 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
1416 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
1418 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
1420 * pa.md (reload_peepholes): Make sure operand is a REG before
1421 examining REGNO. Allow general registers too.
1423 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
1425 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
1427 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
1429 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
1430 to reallocate abbrev_die_table.
1432 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
1434 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
1436 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1438 * Makefile.in (config.status): Depend on version.c
1440 * expr.h (insn_gen_function): Reenable prototype.
1442 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
1445 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
1447 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
1449 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
1451 * version.c: Bump for latest snapshot.
1453 * bc-optab.c: Conditionally include stdlib.h.
1454 (free): Provide a declaration if NEED_DECLARATION_FREE.
1455 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
1456 * rtl.h (free): Remove declaration.
1457 * tree.h (free): Remvoe declaration.
1459 * configure: Rebuilt.
1461 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
1463 * flags.h (flag_move_all_movables): Declare.
1464 (flag_reduce_all_givs): Likewise.
1465 * loop.c (move_movables): Handle flag_move_all_movables.
1466 (strength_reduce): Handle flag_reduce_all_givs.
1467 * toplev.c (flag_move_all_movables): Define.
1468 (flag_reduce_all_givs): Likewise.
1469 (f_options): Add -fmove-all-movables and -freduce-all-givs.
1470 * invoke.texi: Document new options, including alias stuff that
1471 wasn't included last time.
1473 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
1475 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
1478 * t-vxworks68: Ditto.
1479 * t-vxworks960: Ditto.
1482 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
1484 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
1485 if not already defined, and USE_C_ALLOCA not defined.
1487 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
1489 * config.guess: Replace with script that uses ../config.guess.
1491 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
1492 if USE_GNULIBC_1 is not defined.
1494 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
1496 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
1497 * config.guess: Recognize alpha-linux-gnulibc1.
1498 * configure.in (alpha-*-linux-gnulibc1): New target.
1499 (alpha-*-linux-gnu*): Don't build crtbegin/end.
1501 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
1503 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
1506 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
1508 * loop.c (combine_movables): Earlier insns don't match later ones.
1510 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1512 * config/linux.h (CC1_SPEC): Define it only if not defined.
1514 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
1517 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
1518 USE_GNULIBC_1 is not defined.
1520 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
1522 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
1523 as 1 if USE_GNULIBC_1 is not defined.
1525 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
1527 * reorg.c (dbr_schedule): Allow current_function_return_rtx
1528 to be something other than a REG.
1529 * function.c (expand_function_end): Fix current_function_return_rtx
1532 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
1533 * x-netbsd: Likewise
1534 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
1535 (INSTALL_HEADERS): Delete.
1536 * x-dguxbcs: Likewise.
1537 * x-hp3bsd44: Likewise
1540 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1542 * i386.md (pop): pop increments the stack pointer.
1543 (prologue_set_stack_ptr): New pattern.
1544 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
1547 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
1549 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
1550 address where an offsettable address is required.
1552 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
1554 * loop.c (check_final_value): Don't miss a biv increment in a
1557 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
1559 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
1560 TYPE_DECL_IS_STUB instead of DECL_NAME.
1562 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1564 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
1566 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
1568 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
1570 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
1572 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
1573 (find_post_sched_live): Likewise.
1575 * haifa-sched.c (schedule_block): Remove old code to get arguments
1576 from hard regs into pseudos early.
1578 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
1580 * version.c: Bump for new snapshot.
1582 * local-alloc.c (update_equiv_regs): All the target to reject
1583 promotion of some REG_EQUAL to REG_EQUIV notes.
1584 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
1586 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
1589 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
1590 store of the argument registers.
1592 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
1594 * fold-const.c (multiple_of_p): New function.
1595 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
1597 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
1599 * expr.h (insn_gen_function): Temporarily remove prototype.
1601 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
1603 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
1604 filenames. Use sed to extract base filename for install.
1606 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
1608 * unroll.c (find_splittable_givs): Only share if two givs have the
1609 same add and multiply values.
1611 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
1613 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
1614 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
1616 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
1618 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
1619 around branch tables.
1620 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
1621 and .end_brtab directives if TARGET_GAS.
1623 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
1625 * alias.c (true_dependence): Pass x_addr not x to varies.
1627 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
1628 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
1629 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
1631 * config.in, configure: Regenerate.
1633 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
1635 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
1637 (record_set): Handle LO_SUM like PLUS.
1638 (init_alias_analysis): When following chains of base addresses,
1639 do not stop on reaching a hard register.
1641 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
1643 * version.c: Bump for new snapshot.
1645 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
1647 * alpha.h (ARCH_ASM_FILE_START): Define.
1648 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
1649 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
1651 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
1653 * Makefile.in (install-common): Put gcov comment at start of line.
1655 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
1657 * alias.c (init_alias_analysis): When simplifying the reg_base_value
1658 array, simplify entries for hard registers too.
1660 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
1662 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
1665 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
1667 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
1668 block_stack before dereferencing it.
1670 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
1672 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
1674 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1676 * cplus-dem.c: Add 'extern' to prepends_underscore.
1678 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
1680 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
1681 (get_issue_rate): Delete.
1682 * pa.h (ISSUE_RATE): Define.
1684 * configure.in: Turn on haifa by default for the PA.
1685 * configure: Rebuilt.
1686 * pa.c (override_options): Accept -mschedule=7200 option.
1687 (pa_adjust_cost): No longer need to scale costs for newer
1689 * pa.h (enum processor_type): Add PROCESSOR_7200.
1690 * pa.md: Revamp scheduling parameters to work better with
1691 haifa. Add scheduling parameters for the 7200.
1693 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
1695 (schedule_block): When adjusting basic_block_{head,end}, account
1696 for movement of SCHED_GROUP_P insns too.
1698 * haifa-sched.c (debug_dependencies): Fix thinko.
1700 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
1701 (site.exp, check, check-g++, check-gcc): New targets.
1703 * haifa-sched.c: Make lots of variables static.
1705 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1707 * expr.h, real.h: Finish prototyping.
1709 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
1711 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
1712 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
1713 * reload1.c: Undo bugfix from Aug 11.
1715 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
1717 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
1718 quotes around the name.
1719 * configure: Regenerate.
1721 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
1723 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
1725 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
1727 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
1728 to sub-makes to avoid building more passes than the user might have
1729 requested on the command line.
1731 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
1733 * configure.in: Expurgate `broken_install' (install is
1736 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
1739 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
1741 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
1742 functions and declarations.
1743 (analyze_loop_iterations): Use condjump_p.
1744 (insert_bct): Likewise. Use exact_log2.
1746 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
1748 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
1749 (schedule_region): Likewise.
1750 (schedule_insns): Likewise.
1752 * PROJECTS: Update with Haifa stuff.
1754 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
1756 * version.c: Change the version string to look like:
1757 egcs-2.90.00 970814 (gcc2-970802 experimental).
1759 * loop.c (is_conditional_branch): Make definition match declaration.
1761 * gcc.c: Take out experimental snapshot warning message.
1763 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
1765 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
1766 print out the names of the notes. Print out the name of the insn
1767 that is not a note, and not an {,CALL_,JUMP_}INSN.
1769 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1771 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1772 again for the slot after we give it RTL.
1774 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
1776 * configure.in (haifa configury): Fix typo.
1777 * configure: Regenerate.
1779 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
1781 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
1783 * gcc.info*: Rebuilt.
1785 * COPYING.g77, README.g77: New files.
1786 * real.c (ereal_unto_float, ereal_unto_double): New functions.
1787 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
1788 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
1790 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
1792 * Integrate Haifa instruction scheduler.
1793 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
1794 to sched with $(SCHED_CFLAGS.
1795 * configure.in: Handle --enable-haifa.
1796 * configure: Rebuilt.
1797 * flags.h: Add new flags for haifa instruction scheduler.
1798 * genattrtab.c (expand_units): For haifa, don't subtract one
1799 when computing blockage.
1800 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
1801 (flag_schedule_speculative): Ditto.
1802 (flag_schedule_speculative_load): Ditto.
1803 (flag_schedule_speculative_load_dangerous): Ditto.
1804 (flag_schedule_reverse_before_reload): Ditto.
1805 (flag_schedule_reverse_after_reload): Ditto.
1806 (flag_branch_on_count_reg): Ditto.
1807 (f_options): Add Haifa switches.
1808 (main): Turn off some Haifa options if appropriate macro is
1809 defined. Process Haifa switches.
1810 * unroll.c (iteration_info): No longer static, since Haifa
1812 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
1813 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
1814 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
1815 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
1816 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
1817 storage for the Haifa scheduler.
1818 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
1820 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
1821 are defined, call analyze_loop_iterations and insert_bct to use
1823 (record_giv): Refine test for jumps out of loops if HAIFA is
1825 (analyze_loop_iterations): New function to identify if we can use
1827 (insert_bct): Insert countdown loop.
1828 (instrument_loop_bct): Low level code to insert countdown loop.
1829 (loop_number): Calculate UID of loop.
1830 (indirect_jump_in_function_p): Return true if an indirect jump is
1832 (is_power_of_2): Return true if value is a power of 2.
1833 (is_conditional_branch): Return true if insn is a conditional
1835 (fix_bct_param): Process -fbct-{min,max}-N switches.
1836 (check_bct_param): Return true if loop should be instrumented.
1837 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
1838 (loop_optimize): Initialize.
1839 (get_condition_for_loop): Ditto.
1840 * loop.c (strength_reduce): Inside of code that uses #ifdef
1841 HAVE_decrement_and_branch_on_count code, test it to make sure the
1843 (instrument_loop_bct): Ditto.
1844 * haifa-sched.c: New file.
1847 * Integrate regmove pass.
1848 * Makefile.in (OBJS): Add regmove.o
1849 (regmove.o): Add dependencies.
1850 * flow.c (find_use_as_address): No longer static.
1851 * rtl.h (find_use_as_address): Declare.
1852 * toplev.c (regmove_dump, flag_regmove): Define.
1853 (f_options): Add -fregmove.
1854 (regmove_dump_file, regmove_time): Define.
1855 (fatal_insn): Close the regmove dump file.
1856 (compile_file): Initialize regmove_time; open/close the regmove dump
1857 file as needed. Print regmove time as needed.
1858 (rest_of_compilation): Run regmove pass if requested, dump
1859 RTL after regmove if requested.
1860 (main): If -O2 or more, turn on regmove. Handle dump switches.
1861 * regmove.c: New file.
1863 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
1865 * Integrate tlink patch from jason@cygnus.com
1866 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
1867 (process_command): Increment n_switches for them. Don't discard
1868 their args. Validate them.
1869 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
1871 (process_command): Set include_prefixes from COMPILER_PATH.
1872 (main): Set COLLECT_GCC_OPTIONS sooner.
1873 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
1874 * tlink.c, hash.c, hash.h: New files.
1875 * Makefile.in (USE_COLLECT2): Always use collect2.
1876 (collect2): Depend on and link in hash.o and tlink.o.
1877 (tlink.o, hash.o): Add dependencies.
1879 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
1881 * Integrate alias analysis changes from jfc@mit.edu
1882 * Makefile.in (OBJS): Add alias.o
1883 (alias.o): Add dependencies.
1884 * alias.c: New file.
1885 * sched.c: Remove alias analysis code. It lives in alias.c now.
1886 (sched_analyze_2): Add new arguments to true_dependence.
1887 (schedule_insns): Always call init_alias_analysis.
1888 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
1889 mark return value from such functions as a pointer and keep track of
1890 them for alias analysis. If a return value from a function is a
1891 pointer, mark it as such.
1892 * combine.c (distribute_notes): Handle REG_NOALIAS.
1893 * cse.c (struct write_data): Delete. No longer needed.
1894 (invalidate): Don't call set_nonvarying_address_components anymore.
1895 Use true_dependence to decide if an entry should be removed from
1897 (invalidate_memory): Remove WRITES argument, simplify appropriately.
1899 (note_mem_written): Similarly for WRITE_PTR argument.
1900 (invalidate_from_clobbers): Similarly for W argument.
1901 (invalidate_for_call): Remove memory elements from the hash table.
1902 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
1903 (cse_rtx_varies_p): New function. Derived from old
1904 cse_rtx_addr_varies_p.
1905 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
1906 Don't call note_mem_written anymore. Stack pushes invalidate the stack
1907 pointer if PUSH_ROUNDING is defined. No longer need to call
1908 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
1909 (skipped_writes_memory): Remove variable.
1910 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
1911 (invalidate_skipped_block): Simplify for new alias analysis code.
1912 (cse_set_around_loop): Likewise.
1913 (cse_main): Call init_alias_analysis.
1914 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
1915 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
1916 (f_options): Add new alias checking arguments.
1917 (main): Set flag_alias_check when optimizing.
1918 * local_alloc (validate_equiv_mem_from_store): Add new arguments
1920 (memref_referenced_p): Likewise.
1921 * loop.c (NUM_STORES): Increase to 30.
1922 (prescan_loop): Only non-constant calls set unknown_address_altered.
1923 (invariant_p): Add new arguments to true_dependence.
1924 (record_giv): Initialize unrolled and shared fields.
1925 (emit_iv_add_mult): Call record_base_value as needed.
1926 * loop.h (struct induction): Add unrolled and shared fields.
1927 * unroll.c (unroll_loop): Call record_base_value as needed.
1928 (copy_loop_body): Likewise.
1929 (final_biv_value): Likewise.
1930 (final_giv_value): Likewise.
1931 (find_splittable_regs): Likewise. Only create one new pseudo
1932 if we have multiple address GIVs that were combined with the same
1933 dst_reg GIV. Note when a new register is created due to unrolling.
1934 * rtl.c (reg_note_name): Add REG_NOALIAS.
1935 * rtl.h (enum reg_note): Similarly.
1936 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
1937 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
1938 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
1939 (true_dependence, read_dependence, anti_dependence): Likewise.
1940 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
1941 (mark_user_reg, mark_reg_pointer): Likewise.
1944 * Integrate reload bugfix from Wilon which enables the PA port
1946 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
1947 OPERAND_ADDRESS when computing how many registers an insn needs.
1948 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
1950 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
1952 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
1953 in reload_reg_use_in_op_addr do not reach the end.
1954 do not reach the end.
1955 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
1956 RELOAD_FOR_OPERAND_ADDRESS.
1958 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
1960 * egcs project officially starts.