1 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
3 * c-decl.c (start_struct): Ensure that structs with forward
4 declarations are in fact packed when -fpack-struct is given.
6 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
7 we are packing a structure. This allows a structure with only
8 bytes to be aligned on a byte boundary and have no padding on a
11 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
15 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
17 * alpha.c (alpha_return_addr_rtx): New variable.
18 (alpha_save_machine_status): New; save it.
19 (alpha_restore_machine_status): New; restore it.
20 (alpha_init_expanders): New; clear it.
21 (alpha_return_addr): New; set it.
22 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
23 is overly conservative, so search the insns explicitly.
24 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
25 (alpha_sa_size [VMS && !VMS]): Likewise.
26 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
27 (INIT_EXPANDERS): New definition.
29 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
30 (output_prolog [!VMS]): Use them.
32 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
33 (alpha_does_function_need_gp): ... a new function. Refine the
34 CALL_INSN test to just TYPE_JSR.
35 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
37 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
39 * version.c: Bump for snapshot.
41 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
43 * pa.c (move_operand): Respect -mdisable-indexing.
44 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
46 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
48 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
50 (umulsidi3,umulsi3_highpart): Ditto.
51 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
53 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
55 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
56 (alpha_handle_trap_shadows): ... a new function. Handle the entire
57 function in one go. Emit RTL for trapb, instead of printf directly.
58 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
59 (trap_pending): Kill global variable.
60 (output_epilog): Don't call final_prescan_insn.
61 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
62 * alpha.h (FINAL_PRESCAN_INSN): Remove.
63 (MACHINE_DEPENENT_REORG): Define.
64 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
67 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
69 Tune Haifa scheduler for Alpha:
70 * alpha.h (ISSUE_RATE): Define.
71 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
72 EV4 adjustments to EV5.
73 * alpha.md: Remove all scaling from function unit delays. Rework
74 EV5 function units to match the CPU.
75 (umuldi3_highpart): EV5 added the IMULH insn class.
77 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
79 * pa.c (following_call): Fail if the CALL_INSN is an indirect
82 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
84 * cplus-dem.c (demangle_signature): Don't look for return types on
85 constructors. Handle member template constructors.
87 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
89 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
90 * tree.h: Declare them.
92 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
94 * configure.in: Handle --with-newlib.
95 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
97 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
99 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
101 * config/ptx4.h: Fix typo.
103 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
105 * version.c: Bump for snapshot.
107 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
109 * aclocal.m4: Substitute INSTALL.
110 * configure: Re-built.
112 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
114 * integrate.c (save_for_inline_copying): Avoid undefined pointer
116 (expand_inline_function): Likewise.
118 * dwarf2out.c (output_call_frame_info): Reinstate last change
119 using flag_debug_asm check instead of flag_verbose_asm.
121 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
123 * dwarf2out.c (output_call_frame_info): Remove last change.
125 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
127 * frame.c (__frame_state_for): Execute the FDE insns until the
128 current pc value is strictly bigger than the target pc value.
130 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
132 * regclass.c (init_reg_modes): If we can't find a mode for the
133 register, use the previous one.
135 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
137 * haifa-sched.c (print_block_visualization): Call fprintf directly,
138 don't sprintf through an alloca'ed buffer.
140 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
142 * reload.c (decompose): Always initialize val.base.
144 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
146 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
148 * dwarf2out.c (output_call_frame_info): Call app_enable and
149 app_disable to let GNU as accept the generated comments.
151 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
153 * tree.h (get_file_function_name): Add declaration.
154 * dwarf2out.c (output_call_frame_info): No need to cast
155 get_file_function_name call anymore.
156 * profile.c (toplevel): Remove get_file_function_name
158 * c-lang.c (finish_file): Ditto.
160 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
162 * Makefile.in (program_transform_name): Let autoconf substitute
165 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
167 * haifa-sched.c (schedule_block): If the first real insn in a
168 block has any special notes attached to it, remove them.
170 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
172 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
174 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
176 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
178 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
180 * Makefile.in (check-g77): New test target.
181 (CHECK-TARGETS): Add check-g77.
183 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
185 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
187 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
189 * flow.c (print_rtl_with_bb): Cast alloca return value for
192 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
194 * i386.h (RETURN_ADDR_RTX): New definition that works for
195 __builtin_return_address(0) and -fomit-frame-pointer.
197 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
200 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
202 * mips.c (function_arg): Handle passing a struct
203 containing a double in a DFmode register without the PARALLEL.
205 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
207 * pexecute.c: Use spawn if __CYGWIN32__.
209 * pexecute.c: Include "config.h" first, as per autoconf manual
210 (from Paul Eggert <eggert@twinsun.com>).
212 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
214 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
215 optimisation for f/expr.o and f/stb.o.
217 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
219 * cse.c (this_insn_cc0_mode): Initialize.
221 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
223 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
225 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
227 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
229 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
230 that pair will dual-issue on the 21164 and plus+beq won't.
231 (bne): Likewise for cmpeq+beq.
233 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
235 * except.c (find_exception_handler_labels): Correct argument to free.
237 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
239 * except.c (find_exception_handler_labels): Free LABELS when we're
242 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
244 * version.c: Bump for snapshot.
246 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
248 * flow.c (find_basic_blocks): Mark calls as potentially jumping
251 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
253 * configure.in: Substitute for "install" too.
254 * configure: Rebuilt.
256 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
258 * Makefile.in (bootstrap-lean, compare-lean): New targets.
260 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
262 * alias.c (base_alias_check): Two symbols can conflict if they
263 are accessed via AND.
264 (memrefs_conflict_p): Likewise.
266 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
267 after flushing argument registers to the stack.
269 * Makefile.in (mostlyclean): Remove .regmove files.
271 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
273 * libgcc2.c (__throw): Fix thinko.
275 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
277 * cplus-dem.c (demangle_template): Add new parameter. Handle new
278 template-function mangling.
279 (consume_count_with_underscores): New function.
280 (demangle_signature): Handle new name-mangling scheme.
282 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
284 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
287 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
289 * frame.c: Remove last change.
290 * dwarf2.h: Remove last change.
291 * tree.h: Add declarations of DWARF2 unwind info support
294 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
296 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
297 * tree.h (built_in_function): Likewise.
298 * expr.c (expand_builtin): Likewise.
299 * except.h: Likewise.
300 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
301 * libgcc2.c (copy_reg): New fn.
304 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
306 * c-typeck.c (build_binary_op): Warn about comparing signed vs
307 unsigned if -W is specified and -Wno-sign-compare is not.
308 * c-decl.c (warn_sign_compare): Initialize to -1.
309 (c_decode_option): -Wall no longer implies -Wsign-compare.
311 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
313 * frame.c: Include gansidecl.h for PROTO.
314 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
315 defined. Don't declare dwarf2out_cfi_label here.
316 * dwarf2.h: Add declarations of DWARF2 unwind info support
318 * m68k.c: Include dwarf2.h.
319 (output_function_prologue): Add dwarf2 support.
320 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
321 (INCOMING_FRAME_SP_OFFSET): Likewise.
323 * integrate.c (expand_inline_function): Make sure there is at
324 least one insn that can be used as an insertion point.
326 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
328 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
330 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
332 * version.c: Bump for snapshot.
334 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
338 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
340 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
341 (get_pc_via_rdpc): Renamed from get_pc_sp64.
342 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
344 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
346 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
347 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
349 (sparc_align_{loops,jumps,funcs}_string): Declare.
350 (sparc_align_{loops,jumps,funcs}): Declare.
351 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
352 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
353 (STACK_BIAS): Define.
354 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
356 (SPARC_SETHI_P): New macro.
357 (CONST_OK_FOR_LETTER_P): Use it.
358 (ASM_OUTPUT_ALIGN_CODE): Define.
359 (ASM_OUTPUT_LOOP_ALIGN): Define.
360 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
361 (sparc_align_{loops,jumps,funcs}): New globals.
362 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
364 (move_operand): Use SPARC_SETHI_P.
365 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
367 (arith11_double_operand): Likewise.
368 (arith10_double_operand): Likewise.
369 (finalize_pic): Finish sparc64 support.
370 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
371 64 bit constants if able.
372 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
373 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
375 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
376 (get_pc_sp32): Use for sparc64 as well.
377 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
378 (sethi_di_sp64_const): Likewise.
379 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
380 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
381 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
383 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
385 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
386 * sparc/linux.h (COMMENT_BEGIN): Likewise.
387 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
389 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
391 Add sparc64 linux support.
392 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
393 to xm_file list on 32-bit sparc-linux.
394 * sparc/xm-sp64.h: New file.
395 * sparc/linux64.h: New file.
396 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
397 Don't include xm-sparc.h.
398 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
399 * glimits.h (LONG_MAX): Handle sparc64.
401 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
403 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
404 * sparc.h (ASM_COMMENT_START): Define.
405 * sparc.c (output_function_prologue): Use it.
406 (sparc_flat_output_function_{epi,pro}logue): Likewise.
408 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
410 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
411 use sparc.h's copies.
412 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
415 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
417 * sparc.c (dwarf2out_cfi_label): Add declaration.
418 (save_regs, output_function_prologue): Remove cast for it.
419 (sparc_flat_{save_restore,output_function_prologue): Likewise.
420 ({save,restore}_regs): No longer inline.
422 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
424 * fold-const.c (make_range): Correctly handle cases of converting
425 from unsigned to signed type.
427 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
429 * fold-const.c (merge_ranges): Make sure that if one range is subset
430 of another, it will always be the second range. Correct (+,-) case to
433 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
435 * final.c (final_end_function): Also do dwarf2 thing if
436 DWARF2_DEBUGGING_INFO.
437 (final_start_function): Likewise.
439 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
441 * expmed.c (expand_divmod): If compute_mode is not the same as
442 mode, handle the case where convert_modes() causes op1 to no
443 longer be a CONST_INT.
445 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
446 note holding get_jump_flags() calculation to all JUMP_INSNs.
447 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
448 * rtl.c (reg_note_name): Add new note types.
450 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
452 * rtlanal.c (computed_jump_p): Fix typo in last change.
454 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
456 * loop.c (indirect_jump_in_function_p): Return 0
459 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
461 * rs6000/xm-rs6000.h: Fix thinko in last change.
462 * rs6000/xm-sysv4.h: Likewise.
464 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
466 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
468 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
470 * reg-stack.c (find_blocks): Fix thinko in last change.
472 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
474 * m68k.c (output_function_prologue): Add dwarf2 support.
476 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
477 INCOMING_FRAME_SP_OFFSET): New definitions.
479 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
481 * combine.c (try_combine): Use NULL_RTX instead of '0' where
482 appropriate in calls to gen_rtx().
483 * cse.c (cse_main): Likewise.
484 * emit-rtl.c (gen_label_rtx): Likewise.
485 * expr.c (init_expr_once): Likewise.
486 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
487 sched_analyze, init_rgn_data_dependences,
488 compute_block_backward_dependences): Likewise.
489 * sched.c (schedule_insns): Likewise.
490 * varasm.c (immed_double_const): Likewise.
492 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
493 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
495 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
497 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
498 (MULTILIB_DEFAULTS): Define.
499 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
500 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
501 (LIBGCC_SPEC): Likewise.
502 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
503 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
504 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
505 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
506 (EXTRA_PARTS, TAROUTOPTS): Delete.
507 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
508 (MULTILIB_OPTIONS): Define.
509 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
510 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
512 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
514 * version.c: Bump for snapshot.
516 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
518 * loop.c (loop_number): Delete function. Change all references
519 to use uid_loop_num array.
520 * loop.h (loop_number): Delete declaration.
521 * unroll.c (unroll_loop): Change "loop_number" references to
522 use uid_loop_num instead.
524 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
526 (loop_unroll_iter): Remove unused variable and all references.
527 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
528 (insert_bct): Fix minor formatting problems.
529 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
530 (loop_unroll_iter): Removed unused decl.
531 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
532 Always record the unrolling factor.
534 * cse.c (simplify_relational_operation): Set h0u just like h0s.
535 Similarly for h1u and h1s.
537 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
538 (find_basic_blocks): Use computed_jump_p to determine if a
539 particular JUMP_INSN is a computed jump.
540 * reg-stack.c (find_blocks): Use computed_jump_p to determine
541 if a particular JUMP_INSN is a computed jump.
542 * rtlanal.c (jmp_uses_reg_or_mem): New function.
543 (computed_jump_p): Likewise.
544 * rtl.h (computed_jump_p): Declare.
545 * genattrtab.c (pc_rtx): Define and initialize.
546 * loop.c (loop_optimize): Always determine if the current
547 function has a computed jump.
548 (indirect_jump_in_function_p): Use computed_jump_p to determine
549 if a particular JUMP_INSN is a computed jump.
551 * loop.c (fix_bct_param): Delete unused function.
552 (check_bct_param): Likewise.
554 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
556 * frame.c (__deregister_frame): Check properly for initialized object.
558 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
560 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
562 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
564 * jump.c (thread_jumps): check can_reverse_comparison_p before
565 threading a reversed-condition jump.
567 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
568 * haifa-sched.c (update_flow_info): Likewise.
570 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
572 * Makefile.in (BOOT_CFLAGS): Use -O2.
574 * configure.in (strtoul, bsearch): Have autoconf check for these
576 * configure, config.in: Rebuilt.
578 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
579 * mips/mips.h (alloca): Likewise.
580 * rs6000/xm-rs6000.h (alloca): Likewise.
581 * rs6000/xm-sysv4.h: Likewise.
583 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
585 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
586 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
587 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
589 * except.c (end_eh_unwinder): Subtract 1 from return address.
590 * libgcc2.c (__throw): Likewise.
591 (find_exception_handler): Don't change PC here. Compare end with >.
593 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
595 * v850.c (compute_register_save_size): Correct register
597 * v850.md (save_interrupt, return_interrupt): Correct
599 * v850/lib1funcs.asm (save_interrupt): Correct register number.
600 (return_interrupt): Use stack pointer, not element pointer.
602 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
604 * configure.in, configure: Make sure to create the stage* and include
605 symbolic links in each subdirectory.
607 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
609 * pa.md (reload_peepholes): Don't allow addresses with side
610 effects for the memory operand.
612 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
614 * libgcc2.c (find_exception_handler): Subtract one from our PC when
615 looking for a handler, to avoid hitting the beginning of the next
618 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
620 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
622 * mips/abi64.h (LONG_MAX_SPEC): Define.
623 * mips.h (LONG_MAX_SPEC): Define.
624 (CPP_SPEC): Include long_max_spec.
625 (EXTRA_SPECS): Include long_max_spec.
627 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
629 * v850.c (construct_save_jarl): Fix thinko in last change.
631 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
633 * version.c: Bump for snapshot.
635 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
637 * libgcc2.c (find_exception_handler): Not found is -1.
639 * integrate.c (expand_inline_function): Move expand_start_bindings
640 after expanding the arguments.
642 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
644 * expr.c (expand_expr): Remove previous incorrect change.
645 If target and slot has no DECL_RTL, then call mark_addressable
646 again for the slot after we give it RTL.
648 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
650 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
651 again for the slot after we give it RTL.
653 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
655 * v850.c (register_is_ok_for_epilogue,
656 pattern_is_ok_for_epilogue, construct_restore_jr,
657 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
659 * v850.h (pattern_is_ok_for_prologue,
660 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
663 * v850.md: Replace prologue and epilogue patterns with a
664 match_parallel pattern.
666 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
668 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
669 * configure.in: Use EGCS_PROG_INSTALL.
671 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
673 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
674 extern inline function.
676 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
678 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
679 (concat_loc_descriptor): New function.
680 (loc_descriptor): Call it.
681 (add_AT_location_description): Also elide the descriptor if both
682 halves of a CONCAT are pseudos.
683 (add_location_or_const_value_attribute): Recognize CONCAT too.
685 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
687 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
689 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
690 out-or-range reg_offset.
691 (output_epilog): Likewise.
693 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
695 * cse.c (simplify_relational_operation): If MODE specifies a
696 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
697 is derived from the sign bit of the low word.
699 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
701 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
703 * dwarf2.h: Add DW_CFA_GNU_args_size.
704 * frame.c (execute_cfa_insn): Likewise.
705 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
706 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
707 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
708 insn, hand it off to dwarf2out_stack_adjust.
709 (dwarf2out_begin_prologue): Initialize args_size.
710 * frame.h (struct frame_state): Add args_size.
711 * libgcc2.c (__throw): Use args_size.
712 * final.c (final_scan_insn): If we push args, hand off all insns
713 to dwarf2out_frame_debug.
714 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
716 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
717 Handle epilogue restore of SP from FP.
718 * emit-rtl.c (gen_sequence): Still generate a sequence if the
719 lone insn has RTX_FRAME_RELATED_P set.
721 * frame.c (extract_cie_info): Handle "e" augmentation.
722 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
723 absence of UNALIGNED_*_ASM_OP.
724 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
725 (output_call_frame_info): Use "e" instead of "z" for augmentation.
726 Don't emit augmentation fields length.
727 (dwarf2out_do_frame): Move outside of #ifdefs.
728 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
731 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
732 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
733 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
734 * sparc/sun4gas.h: New file.
735 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
737 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
738 __register_frame_table and __deregister_frame.
740 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
742 * except.c (find_exception_handler_labels): Use xmalloc instead of
743 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
746 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
748 * Makefile.in: Various changes to build info files
749 in the object tree rather than the source tree.
751 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
753 * fixinc.math: New file to fix math.h on some systems.
754 * configure.in (freebsd, netbsd): Use fixinc.math on these
756 * configure: Rebuilt.
758 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
760 * regmove.c (regmove_optimize): If we end up moving the
761 original insn due to lifetime overlaps, make sure to move
764 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
766 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
768 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
770 * haifa-sched.c (add_branch_dependences): Make each insn in
771 a SCHED_GROUP_P block explicitly depend on the previous insn.
773 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
775 * except.h: Prototype dwarf2 hooks.
778 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
780 * configure.in (native_prefix): Delete.
781 (mips-dec-netbsd): Don't set prefix.
782 (*linux*): Don't set prefix.
784 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
786 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
787 defined. If not defined, include <sys/varargs.h> if
788 HAVE_SYS_VARARGS_H is defined.
789 * configure.in: Test for varargs.h and sys/varargs.h.
790 * configure: Regenerate with autoconf.
791 * config.in: Regenerate with autoheader.
793 * cpplib.c (quote_string): Cast first arg of sprintf call
794 from "unsigned char *" to "char *".
795 (output_line_command): Ditto.
796 (macroexpand): Ditto.
797 (do_line): Cast atoi arg from "unsigned char *" to "char *".
799 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
801 * version.c: Bump for snapshot.
803 * Makefile.in (compare): Exit with nonzero status if there
804 are comparison failures. Note which files failed the
805 comparison test in .bad_compare.
807 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
809 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
811 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
813 * Makefile.in (LN, LN_S): New macros, use where appropriate.
814 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
815 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
816 * configure: Regenerated.
818 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
820 * loop.c (strength_reduce): Fix typo.
822 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
824 * m88k/m88k.c (struct option): Rename to struct options.
825 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
826 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
827 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
828 __DOLPHIN__ or sysV88.
830 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
832 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
835 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
837 * config.sub: Accept 'amigados' for backward compatability.
839 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
841 * Makefile.in (testsuite/site.exp): New target.
842 (check-gcc, check-g++): Depend on testsuite/site.exp.
843 Don't stop for failure.
845 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
847 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
848 if DWARF2_UNWIND_INFO.
850 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
852 Add support for exception handling using DWARF 2 frame unwind info.
853 Currently works on SPARC and MIPS, and almost on x86.
855 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
856 next_stack_level, in_reg_window): Helper fns.
857 (__throw): Implement for DWARF2_UNWIND_INFO.
859 * expr.c (expand_builtin): Handle builtins used by __throw.
860 * tree.h (enum built_in_function): Add builtins used by __throw.
861 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
862 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
863 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
864 (expand_builtin_extract_return_addr): Likewise.
865 (expand_builtin_frob_return_addr): Likewise.
866 (expand_builtin_set_return_addr_reg): Likewise.
867 (expand_builtin_eh_stub): Likewise.
868 (expand_builtin_set_eh_regs): Likewise.
869 (eh_regs): Choose two call-clobbered registers for passing back values.
871 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
872 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
873 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
874 (stmp-multilib): Likewise.
875 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
877 * except.c: #include "defaults.h".
878 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
879 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
880 (register_exception_table_p): New fn.
881 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
882 (end_eh_unwinder): Likewise.
884 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
885 call __register_frame and __deregister_frame as needed.
886 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
887 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
888 EH_FRAME_SECTION_ASM_OP.
889 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
890 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
891 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
893 * dwarf2out.c (output_call_frame_info): If no support for
894 EXCEPTION_SECTION, mark the start of the frame info with a
896 * collect2.c (frame_tables): New list.
897 (is_ctor_dtor): Recognise frame entries.
898 (scan_prog_file): Likewise.
899 (main): Pass -fno-exceptions to sub-compile. Also do collection
900 if there are any frame entries.
901 (write_c_file_stat): Call __register_frame_table and
902 __deregister_frame as needed.
903 (write_c_file_glob): Likewise.
905 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
906 Also require unaligned reloc support.
907 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
908 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
909 * sparc/sysv4.h: Not here.
911 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
912 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
913 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
915 * libgcc2.c (L_eh): Reorganize, moving code shared by different
916 EH implementations to the top.
917 (find_exception_handler): Split out. Start from 0. Compare against
919 (__find_first_exception_table_match): Use it.
920 * except.c (output_exception_table): Don't do anything if there's
921 no table. Don't output a first entry of zeroes.
922 (eh_outer_context): Adjust properly.
923 (add_eh_table_entry): Use xrealloc.
924 * toplev.c (compile_file): Just call output_exception_table.
926 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
928 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
930 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
932 * except.c (eh_outer_context): Do masking using expand_and.
934 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
936 Add port done awhile ago for the ARC cpu.
937 * arc/arc.h: New file.
938 * arc/arc.c: New file.
939 * arc/arc.md: New file.
940 * arc/initfini.c: New file.
941 * arc/lib1funcs.asm: New file.
942 * arc/t-arc: New file.
943 * arc/xm-arc.h: New file.
944 * ginclude/va-arc.h: New file.
945 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
946 * ginclude/varargs.h: Likewise.
947 * Makefile.in (USER_H): Add va-arc.h.
948 * configure.in (arc-*-elf*): Recognize.
949 * longlong.h: Add ARC support.
951 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
953 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
954 when clearing non-BLKmode data.
956 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
958 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
959 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
961 * xm-m88k.h (USG): Only define if it hasn't already been defined.
963 * Makefile.in (risky-stage1): Delete gratutious whitespace.
965 * Makefile.in (clean): Delete libgcc1-test.
967 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
969 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
971 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
974 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
976 * dwarf2out.c (output_call_frame_info): Call named_section.
978 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
980 * haifa-sched.c (print_value): Fix last change.
982 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
984 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
987 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
989 * mips.c (function_prologue): Set up the CFA when ABI_32.
991 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
992 for dwarf2 unwind info.
993 (output_function_prologue, sparc_flat_output_function_prologue): Same.
995 * final.c (final_end_function): Check dwarf2out_do_frame instead
996 of DWARF2_DEBUG for dwarf2 unwind info.
997 (final_scan_insn): Likewise.
998 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
1001 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
1004 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
1006 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
1008 * v850.h (ASM_SPEC): Pass on target processor.
1009 (CPP_PREDEFINES): Only define if not already specified.
1010 (TARGET_VERSION): Only define if not already specified.
1011 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
1013 (EXTRA_SWITCHES): Extra entries in the switches array.
1014 (TARGET_DEFAULT): Set default target processor.
1016 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
1018 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
1019 cases, add %# and %/, and add : to make them into extended asms.
1021 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
1023 * alias.c (init_alias_analysis): Clean up incompatible pointer
1024 type warning in bzero.
1025 * regmove.c (regmove_optimize): Ditto.
1026 * haifa-sched.c (find_rgns): Ditto.
1028 * haifa-sched.c (print_value): Clean up ptr->int cast
1031 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
1033 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
1034 * install.texi (Configurations): Ditto.
1035 * config.sub: Ditto.
1037 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
1039 * Makefile.in (sdbout.o): Depend on insn-config.h.
1041 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
1043 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
1044 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
1046 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
1048 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
1049 prologue insn, only the first elt is significant.
1050 (output_call_frame_info): For exception handling, always use 4-byte
1051 fields as specified by the dwarf2 spec.
1052 Don't skip trivial FDEs.
1054 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
1056 * version.c: Bump for snapshot.
1058 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
1060 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
1061 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
1064 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
1066 * final.c (shorten_branches): During first pass, assume worst
1067 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
1069 * Makefile.in (distclean): Remove various things left around
1070 by running the testsuite.
1072 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
1074 * configure.in (out_file): Emit definition to config.status in order
1075 to have a defined value for configure.lang.
1076 * configure: Re-built.
1078 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
1080 * configure.in: Make symlink to as-new rather than as.new. Similarly
1082 * configure: Rebuilt.
1084 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
1086 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
1088 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
1090 * sparc/sparc.md: Add ultrasparc scheduling support.
1091 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
1093 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1095 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
1096 as initial value for real_label_map.
1097 (copy_for_inline): Likewise.
1099 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1101 * sched.c (update_flow_info) When looking if to set found_split_dest
1102 or found_orig_dest, look at all parts of a PARALLEL.
1103 * haifa-sched.c (update_flow_info): Likewise.
1105 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
1107 * v850: New directory for v850 port.
1108 * v850/lib1funcs.asm: New file.
1109 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
1110 * ginclude/va-v850.h: New file.
1111 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
1112 * configure.in (mn10200-*-*): New target.
1113 * configure: Rebuilt.
1114 * config.sub: Handle v850-elf.
1115 * Makefile.in (USER_H): Add va-mn10200.h.
1116 * invoke.texi: Document v850 stuff.
1118 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
1120 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
1121 has integer TYPE_{MAX,MIN}_VALUE before using them.
1123 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
1124 __HPUX_ASM__ versions.
1126 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
1128 * install.sh: Delete duplicate install script.
1130 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
1132 * reg-stack.c (subst_stack_regs): Pop the stack register for a
1133 computed goto which sets the same stack register.
1135 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
1136 destination are both on the regstack.
1137 (subst_stack_regs_pat): Put the destination at the top of the regstack.
1139 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
1141 * mips.md (nonlocal_goto_receiver): Define.
1143 * profile.c (output_arc_profiler): Check next_insert_after for non
1144 NULL before deferencing it.
1146 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
1148 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
1150 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
1152 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
1154 * toplev.c (rest_of_compilation): For passes starting with
1155 flow_analysis, use print_rtl_with_bb instead of print_rtl.
1157 * print-rtl.c (print_rtl_single): Print a single rtl value to a
1160 * flow.c (print_rtl_with_bb): Print which insns start and end
1161 basic blocks. For the start of a basic block, also print the live
1164 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
1166 * toplev.c (main): Change #elif to #else/#ifdef
1168 * tlink.c: Include ctype.h.
1169 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
1171 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
1173 * bitmap.c: Conditionally include stdlib.h.
1174 (free): Provide a declaration if NEED_DECLARATION_FREE.
1176 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
1178 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
1180 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
1182 * profile.c (output_arc_profiler): Verify next_insert_after is an
1183 INSN before and after skipping a stack pop.
1185 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1187 * final.c (shorten_branches): Don't count the lengths of deleted
1190 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
1192 * version.c: Bump for snapshot.
1194 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
1196 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
1197 two bitmaps ANDed together.
1198 (bitmap_print): Declare.
1200 * bitmap.c (function_obstack): Don't declare any more.
1201 (bitmap_obstack): Obstack for allocating links from.
1202 (bitmap_obstack_init): New static to say whether to initialize
1204 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
1205 (bitmap_release_memory): Free all memory allocated from
1208 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
1209 EXECUTE_IF_AND_IN_BITMAP.
1211 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
1213 * alias.c (true_dependence): Address with AND can alias scalars.
1214 (anti_dependence, output_dependence): Likewise.
1216 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
1218 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
1220 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
1221 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
1222 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
1223 definitions. Use -qrtems instead of -mrtems.
1225 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
1227 * xm-sco5.h (sys_siglist): Define.
1228 (SYS_SIGLIST_DECLARED): Likewise.
1230 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
1232 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
1234 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
1236 * except.c (eh_outer_context): Expand masking operation using
1239 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
1241 * alpha.md (floatdisf2-1): New pattern.
1243 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
1245 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
1246 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
1247 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
1248 * gcc.texi: Note that if you define sys_siglist that you should
1249 also define SYS_SIGLIST_DECLARED.
1251 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
1252 are relative to the next instruction, not the current instruction.
1254 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
1256 * local-alloc.c (contains_replace_regs): New function.
1257 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
1258 verify that there is no existing REG_EQUIV note, and add a call to
1259 contains_place_regs.
1261 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1263 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
1264 (STARTFILE_SPEC): Always use crtbegin.o%s
1265 (ENDFILE_SPEC): Always use crtend.o%s.
1267 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
1269 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
1271 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
1272 SFmode for 64 bit hosts.
1274 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
1276 * fixincludes: Permits spaces between # and define. Discard C++
1277 comments in sys/pci.h on HP/UX 10.20.
1279 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
1281 * version.c: Bump for snapshot.
1283 * pa.c (restore_unscaled_index_insn_codes): New function.
1284 (record_unscaled_index_insn_codes): Likewise.
1285 (output_function_prologue): Call restore_unscaled_index_insn_codes.
1286 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
1287 (pa_reorg): Call record_unscaled_index_insn_codes.
1289 * haifa-sched.c (move_insn): Handle notes correctly for insns
1290 with SCHED_GROUP_P set.
1292 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1294 * alpha/xm-linux.h (USE_BFD): Undef before define.
1296 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
1298 * cse.c (cse_insn): Don't record BLKmode values.
1300 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
1302 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
1304 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
1306 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
1307 * collect2.c (sys_errlist): Likewise.
1308 * cpplib.c (sys_errlist): Likewise.
1309 * gcc.c (sys_errlist): Likewise.
1310 * protoize (sys_errlist): Likewise.
1311 * configure.in: Check for strerror.
1312 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
1313 * xm-gnu.h (HAVE_STRERROR): Likewise.
1314 * xm-linux.h (HAVE_STRERROR): Likewise.
1315 * xm-netbsd.h (HAVE_STRERROR): Likewise.
1316 * xm-bsd386.h (HAVE_STRERROR): Likewise.
1317 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
1318 * xm-dos.h (HAVE_STRERROR): Likewise.
1319 * xm-mingw32.h (HAVE_STRERROR): Likewise.
1320 * xm-pa.h (HAVE_STRERROR): Likewise.
1321 * xm-papro.h (HAVE_STRERROR): Likewise.
1322 * xm-sysv4.h (HAVE_STRERROR): Likewise.
1323 * configure, config.in: Rebuilt.
1325 * Makefile.in: Add several missing "else true" clauses.
1327 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
1328 * mips-tfile.c: Likewise.
1329 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
1330 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
1331 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
1332 * configure.in: Check for sys_siglist declaration.
1333 * configure, config.in: Rebuilt.
1335 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
1337 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
1338 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
1339 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
1340 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
1341 * rs6000/sysv4.h (extra_subtarget_switches): Added new
1342 macro EXTRA_SUBTARGET_SWITCHES.
1343 * configure.in (sh*-*-rtems*): New target.
1344 * sh/rtems.h: New file.
1345 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
1346 * configure: Rebuilt.
1348 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
1350 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
1352 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
1354 * rs6000.md: Make DF fused-add operations pay attention to
1357 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
1359 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
1361 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
1363 * pa.md (reload_peepholes): Make sure operand is a REG before
1364 examining REGNO. Allow general registers too.
1366 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
1368 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
1370 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
1372 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
1373 to reallocate abbrev_die_table.
1375 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
1377 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
1379 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1381 * Makefile.in (config.status): Depend on version.c
1383 * expr.h (insn_gen_function): Reenable prototype.
1385 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
1388 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
1390 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
1392 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
1394 * version.c: Bump for latest snapshot.
1396 * bc-optab.c: Conditionally include stdlib.h.
1397 (free): Provide a declaration if NEED_DECLARATION_FREE.
1398 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
1399 * rtl.h (free): Remove declaration.
1400 * tree.h (free): Remvoe declaration.
1402 * configure: Rebuilt.
1404 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
1406 * flags.h (flag_move_all_movables): Declare.
1407 (flag_reduce_all_givs): Likewise.
1408 * loop.c (move_movables): Handle flag_move_all_movables.
1409 (strength_reduce): Handle flag_reduce_all_givs.
1410 * toplev.c (flag_move_all_movables): Define.
1411 (flag_reduce_all_givs): Likewise.
1412 (f_options): Add -fmove-all-movables and -freduce-all-givs.
1413 * invoke.texi: Document new options, including alias stuff that
1414 wasn't included last time.
1416 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
1418 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
1421 * t-vxworks68: Ditto.
1422 * t-vxworks960: Ditto.
1425 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
1427 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
1428 if not already defined, and USE_C_ALLOCA not defined.
1430 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
1432 * config.guess: Replace with script that uses ../config.guess.
1434 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
1435 if USE_GNULIBC_1 is not defined.
1437 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
1439 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
1440 * config.guess: Recognize alpha-linux-gnulibc1.
1441 * configure.in (alpha-*-linux-gnulibc1): New target.
1442 (alpha-*-linux-gnu*): Don't build crtbegin/end.
1444 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
1446 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
1449 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
1451 * loop.c (combine_movables): Earlier insns don't match later ones.
1453 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1455 * config/linux.h (CC1_SPEC): Define it only if not defined.
1457 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
1460 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
1461 USE_GNULIBC_1 is not defined.
1463 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
1465 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
1466 as 1 if USE_GNULIBC_1 is not defined.
1468 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
1470 * reorg.c (dbr_schedule): Allow current_function_return_rtx
1471 to be something other than a REG.
1472 * function.c (expand_function_end): Fix current_function_return_rtx
1475 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
1476 * x-netbsd: Likewise
1477 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
1478 (INSTALL_HEADERS): Delete.
1479 * x-dguxbcs: Likewise.
1480 * x-hp3bsd44: Likewise
1483 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1485 * i386.md (pop): pop increments the stack pointer.
1486 (prologue_set_stack_ptr): New pattern.
1487 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
1490 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
1492 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
1493 address where an offsettable address is required.
1495 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
1497 * loop.c (check_final_value): Don't miss a biv increment in a
1500 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
1502 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
1503 TYPE_DECL_IS_STUB instead of DECL_NAME.
1505 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1507 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
1509 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
1511 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
1513 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
1515 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
1516 (find_post_sched_live): Likewise.
1518 * haifa-sched.c (schedule_block): Remove old code to get arguments
1519 from hard regs into pseudos early.
1521 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
1523 * version.c: Bump for new snapshot.
1525 * local-alloc.c (update_equiv_regs): All the target to reject
1526 promotion of some REG_EQUAL to REG_EQUIV notes.
1527 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
1529 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
1532 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
1533 store of the argument registers.
1535 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
1537 * fold-const.c (multiple_of_p): New function.
1538 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
1540 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
1542 * expr.h (insn_gen_function): Temporarily remove prototype.
1544 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
1546 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
1547 filenames. Use sed to extract base filename for install.
1549 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
1551 * unroll.c (find_splittable_givs): Only share if two givs have the
1552 same add and multiply values.
1554 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
1556 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
1557 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
1559 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
1561 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
1562 around branch tables.
1563 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
1564 and .end_brtab directives if TARGET_GAS.
1566 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
1568 * alias.c (true_dependence): Pass x_addr not x to varies.
1570 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
1571 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
1572 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
1574 * config.in, configure: Regenerate.
1576 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
1578 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
1580 (record_set): Handle LO_SUM like PLUS.
1581 (init_alias_analysis): When following chains of base addresses,
1582 do not stop on reaching a hard register.
1584 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
1586 * version.c: Bump for new snapshot.
1588 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
1590 * alpha.h (ARCH_ASM_FILE_START): Define.
1591 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
1592 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
1594 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
1596 * Makefile.in (install-common): Put gcov comment at start of line.
1598 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
1600 * alias.c (init_alias_analysis): When simplifying the reg_base_value
1601 array, simplify entries for hard registers too.
1603 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
1605 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
1608 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
1610 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
1611 block_stack before dereferencing it.
1613 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
1615 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
1617 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1619 * cplus-dem.c: Add 'extern' to prepends_underscore.
1621 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
1623 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
1624 (get_issue_rate): Delete.
1625 * pa.h (ISSUE_RATE): Define.
1627 * configure.in: Turn on haifa by default for the PA.
1628 * configure: Rebuilt.
1629 * pa.c (override_options): Accept -mschedule=7200 option.
1630 (pa_adjust_cost): No longer need to scale costs for newer
1632 * pa.h (enum processor_type): Add PROCESSOR_7200.
1633 * pa.md: Revamp scheduling parameters to work better with
1634 haifa. Add scheduling parameters for the 7200.
1636 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
1638 (schedule_block): When adjusting basic_block_{head,end}, account
1639 for movement of SCHED_GROUP_P insns too.
1641 * haifa-sched.c (debug_dependencies): Fix thinko.
1643 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
1644 (site.exp, check, check-g++, check-gcc): New targets.
1646 * haifa-sched.c: Make lots of variables static.
1648 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1650 * expr.h, real.h: Finish prototyping.
1652 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
1654 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
1655 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
1656 * reload1.c: Undo bugfix from Aug 11.
1658 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
1660 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
1661 quotes around the name.
1662 * configure: Regenerate.
1664 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
1666 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
1668 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
1670 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
1671 to sub-makes to avoid building more passes than the user might have
1672 requested on the command line.
1674 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
1676 * configure.in: Expurgate `broken_install' (install is
1679 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
1682 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
1684 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
1685 functions and declarations.
1686 (analyze_loop_iterations): Use condjump_p.
1687 (insert_bct): Likewise. Use exact_log2.
1689 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
1691 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
1692 (schedule_region): Likewise.
1693 (schedule_insns): Likewise.
1695 * PROJECTS: Update with Haifa stuff.
1697 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
1699 * version.c: Change the version string to look like:
1700 egcs-2.90.00 970814 (gcc2-970802 experimental).
1702 * loop.c (is_conditional_branch): Make definition match declaration.
1704 * gcc.c: Take out experimental snapshot warning message.
1706 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
1708 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
1709 print out the names of the notes. Print out the name of the insn
1710 that is not a note, and not an {,CALL_,JUMP_}INSN.
1712 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1714 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1715 again for the slot after we give it RTL.
1717 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
1719 * configure.in (haifa configury): Fix typo.
1720 * configure: Regenerate.
1722 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
1724 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
1726 * gcc.info*: Rebuilt.
1728 * COPYING.g77, README.g77: New files.
1729 * real.c (ereal_unto_float, ereal_unto_double): New functions.
1730 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
1731 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
1733 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
1735 * Integrate Haifa instruction scheduler.
1736 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
1737 to sched with $(SCHED_CFLAGS.
1738 * configure.in: Handle --enable-haifa.
1739 * configure: Rebuilt.
1740 * flags.h: Add new flags for haifa instruction scheduler.
1741 * genattrtab.c (expand_units): For haifa, don't subtract one
1742 when computing blockage.
1743 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
1744 (flag_schedule_speculative): Ditto.
1745 (flag_schedule_speculative_load): Ditto.
1746 (flag_schedule_speculative_load_dangerous): Ditto.
1747 (flag_schedule_reverse_before_reload): Ditto.
1748 (flag_schedule_reverse_after_reload): Ditto.
1749 (flag_branch_on_count_reg): Ditto.
1750 (f_options): Add Haifa switches.
1751 (main): Turn off some Haifa options if appropriate macro is
1752 defined. Process Haifa switches.
1753 * unroll.c (iteration_info): No longer static, since Haifa
1755 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
1756 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
1757 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
1758 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
1759 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
1760 storage for the Haifa scheduler.
1761 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
1763 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
1764 are defined, call analyze_loop_iterations and insert_bct to use
1766 (record_giv): Refine test for jumps out of loops if HAIFA is
1768 (analyze_loop_iterations): New function to identify if we can use
1770 (insert_bct): Insert countdown loop.
1771 (instrument_loop_bct): Low level code to insert countdown loop.
1772 (loop_number): Calculate UID of loop.
1773 (indirect_jump_in_function_p): Return true if an indirect jump is
1775 (is_power_of_2): Return true if value is a power of 2.
1776 (is_conditional_branch): Return true if insn is a conditional
1778 (fix_bct_param): Process -fbct-{min,max}-N switches.
1779 (check_bct_param): Return true if loop should be instrumented.
1780 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
1781 (loop_optimize): Initialize.
1782 (get_condition_for_loop): Ditto.
1783 * loop.c (strength_reduce): Inside of code that uses #ifdef
1784 HAVE_decrement_and_branch_on_count code, test it to make sure the
1786 (instrument_loop_bct): Ditto.
1787 * haifa-sched.c: New file.
1790 * Integrate regmove pass.
1791 * Makefile.in (OBJS): Add regmove.o
1792 (regmove.o): Add dependencies.
1793 * flow.c (find_use_as_address): No longer static.
1794 * rtl.h (find_use_as_address): Declare.
1795 * toplev.c (regmove_dump, flag_regmove): Define.
1796 (f_options): Add -fregmove.
1797 (regmove_dump_file, regmove_time): Define.
1798 (fatal_insn): Close the regmove dump file.
1799 (compile_file): Initialize regmove_time; open/close the regmove dump
1800 file as needed. Print regmove time as needed.
1801 (rest_of_compilation): Run regmove pass if requested, dump
1802 RTL after regmove if requested.
1803 (main): If -O2 or more, turn on regmove. Handle dump switches.
1804 * regmove.c: New file.
1806 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
1808 * Integrate tlink patch from jason@cygnus.com
1809 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
1810 (process_command): Increment n_switches for them. Don't discard
1811 their args. Validate them.
1812 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
1814 (process_command): Set include_prefixes from COMPILER_PATH.
1815 (main): Set COLLECT_GCC_OPTIONS sooner.
1816 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
1817 * tlink.c, hash.c, hash.h: New files.
1818 * Makefile.in (USE_COLLECT2): Always use collect2.
1819 (collect2): Depend on and link in hash.o and tlink.o.
1820 (tlink.o, hash.o): Add dependencies.
1822 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
1824 * Integrate alias analysis changes from jfc@mit.edu
1825 * Makefile.in (OBJS): Add alias.o
1826 (alias.o): Add dependencies.
1827 * alias.c: New file.
1828 * sched.c: Remove alias analysis code. It lives in alias.c now.
1829 (sched_analyze_2): Add new arguments to true_dependence.
1830 (schedule_insns): Always call init_alias_analysis.
1831 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
1832 mark return value from such functions as a pointer and keep track of
1833 them for alias analysis. If a return value from a function is a
1834 pointer, mark it as such.
1835 * combine.c (distribute_notes): Handle REG_NOALIAS.
1836 * cse.c (struct write_data): Delete. No longer needed.
1837 (invalidate): Don't call set_nonvarying_address_components anymore.
1838 Use true_dependence to decide if an entry should be removed from
1840 (invalidate_memory): Remove WRITES argument, simplify appropriately.
1842 (note_mem_written): Similarly for WRITE_PTR argument.
1843 (invalidate_from_clobbers): Similarly for W argument.
1844 (invalidate_for_call): Remove memory elements from the hash table.
1845 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
1846 (cse_rtx_varies_p): New function. Derived from old
1847 cse_rtx_addr_varies_p.
1848 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
1849 Don't call note_mem_written anymore. Stack pushes invalidate the stack
1850 pointer if PUSH_ROUNDING is defined. No longer need to call
1851 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
1852 (skipped_writes_memory): Remove variable.
1853 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
1854 (invalidate_skipped_block): Simplify for new alias analysis code.
1855 (cse_set_around_loop): Likewise.
1856 (cse_main): Call init_alias_analysis.
1857 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
1858 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
1859 (f_options): Add new alias checking arguments.
1860 (main): Set flag_alias_check when optimizing.
1861 * local_alloc (validate_equiv_mem_from_store): Add new arguments
1863 (memref_referenced_p): Likewise.
1864 * loop.c (NUM_STORES): Increase to 30.
1865 (prescan_loop): Only non-constant calls set unknown_address_altered.
1866 (invariant_p): Add new arguments to true_dependence.
1867 (record_giv): Initialize unrolled and shared fields.
1868 (emit_iv_add_mult): Call record_base_value as needed.
1869 * loop.h (struct induction): Add unrolled and shared fields.
1870 * unroll.c (unroll_loop): Call record_base_value as needed.
1871 (copy_loop_body): Likewise.
1872 (final_biv_value): Likewise.
1873 (final_giv_value): Likewise.
1874 (find_splittable_regs): Likewise. Only create one new pseudo
1875 if we have multiple address GIVs that were combined with the same
1876 dst_reg GIV. Note when a new register is created due to unrolling.
1877 * rtl.c (reg_note_name): Add REG_NOALIAS.
1878 * rtl.h (enum reg_note): Similarly.
1879 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
1880 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
1881 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
1882 (true_dependence, read_dependence, anti_dependence): Likewise.
1883 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
1884 (mark_user_reg, mark_reg_pointer): Likewise.
1887 * Integrate reload bugfix from Wilon which enables the PA port
1889 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
1890 OPERAND_ADDRESS when computing how many registers an insn needs.
1891 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
1893 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
1895 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
1896 in reload_reg_use_in_op_addr do not reach the end.
1897 do not reach the end.
1898 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
1899 RELOAD_FOR_OPERAND_ADDRESS.
1901 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
1903 * egcs project officially starts.