1 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
3 * pa.c (following_call): Fail if the CALL_INSN is an indirect
6 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
8 * cplus-dem.c (demangle_signature): Don't look for return types on
9 constructors. Handle member template constructors.
11 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
13 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
14 * tree.h: Declare them.
16 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
18 * configure.in: Handle --with-newlib.
19 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
21 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
23 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
25 * config/ptx4.h: Fix typo.
27 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
29 * version.c: Bump for snapshot.
31 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
33 * aclocal.m4: Substitute INSTALL.
34 * configure: Re-built.
36 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
38 * integrate.c (save_for_inline_copying): Avoid undefined pointer
40 (expand_inline_function): Likewise.
42 * dwarf2out.c (output_call_frame_info): Reinstate last change
43 using flag_debug_asm check instead of flag_verbose_asm.
45 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
47 * dwarf2out.c (output_call_frame_info): Remove last change.
49 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
51 * frame.c (__frame_state_for): Execute the FDE insns until the
52 current pc value is strictly bigger than the target pc value.
54 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
56 * regclass.c (init_reg_modes): If we can't find a mode for the
57 register, use the previous one.
59 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
61 * haifa-sched.c (print_block_visualization): Call fprintf directly,
62 don't sprintf through an alloca'ed buffer.
64 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
66 * reload.c (decompose): Always initialize val.base.
68 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
70 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
72 * dwarf2out.c (output_call_frame_info): Call app_enable and
73 app_disable to let GNU as accept the generated comments.
75 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
77 * tree.h (get_file_function_name): Add declaration.
78 * dwarf2out.c (output_call_frame_info): No need to cast
79 get_file_function_name call anymore.
80 * profile.c (toplevel): Remove get_file_function_name
82 * c-lang.c (finish_file): Ditto.
84 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
86 * Makefile.in (program_transform_name): Let autoconf substitute
89 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
91 * haifa-sched.c (schedule_block): If the first real insn in a
92 block has any special notes attached to it, remove them.
94 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
96 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
98 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
100 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
102 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
104 * Makefile.in (check-g77): New test target.
105 (CHECK-TARGETS): Add check-g77.
107 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
109 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
111 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
113 * flow.c (print_rtl_with_bb): Cast alloca return value for
116 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
118 * i386.h (RETURN_ADDR_RTX): New definition that works for
119 __builtin_return_address(0) and -fomit-frame-pointer.
121 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
124 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
126 * mips.c (function_arg): Handle passing a struct
127 containing a double in a DFmode register without the PARALLEL.
129 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
131 * pexecute.c: Use spawn if __CYGWIN32__.
133 * pexecute.c: Include "config.h" first, as per autoconf manual
134 (from Paul Eggert <eggert@twinsun.com>).
136 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
138 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
139 optimisation for f/expr.o and f/stb.o.
141 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
143 * cse.c (this_insn_cc0_mode): Initialize.
145 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
147 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
149 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
151 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
153 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
154 that pair will dual-issue on the 21164 and plus+beq won't.
155 (bne): Likewise for cmpeq+beq.
157 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
159 * except.c (find_exception_handler_labels): Correct argument to free.
161 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
163 * except.c (find_exception_handler_labels): Free LABELS when we're
166 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
168 * version.c: Bump for snapshot.
170 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
172 * flow.c (find_basic_blocks): Mark calls as potentially jumping
175 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
177 * configure.in: Substitute for "install" too.
178 * configure: Rebuilt.
180 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
182 * Makefile.in (bootstrap-lean, compare-lean): New targets.
184 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
186 * alias.c (base_alias_check): Two symbols can conflict if they
187 are accessed via AND.
188 (memrefs_conflict_p): Likewise.
190 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
191 after flushing argument registers to the stack.
193 * Makefile.in (mostlyclean): Remove .regmove files.
195 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
197 * libgcc2.c (__throw): Fix thinko.
199 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
201 * cplus-dem.c (demangle_template): Add new parameter. Handle new
202 template-function mangling.
203 (consume_count_with_underscores): New function.
204 (demangle_signature): Handle new name-mangling scheme.
206 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
208 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
211 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
213 * frame.c: Remove last change.
214 * dwarf2.h: Remove last change.
215 * tree.h: Add declarations of DWARF2 unwind info support
218 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
220 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
221 * tree.h (built_in_function): Likewise.
222 * expr.c (expand_builtin): Likewise.
223 * except.h: Likewise.
224 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
225 * libgcc2.c (copy_reg): New fn.
228 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
230 * c-typeck.c (build_binary_op): Warn about comparing signed vs
231 unsigned if -W is specified and -Wno-sign-compare is not.
232 * c-decl.c (warn_sign_compare): Initialize to -1.
233 (c_decode_option): -Wall no longer implies -Wsign-compare.
235 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
237 * frame.c: Include gansidecl.h for PROTO.
238 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
239 defined. Don't declare dwarf2out_cfi_label here.
240 * dwarf2.h: Add declarations of DWARF2 unwind info support
242 * m68k.c: Include dwarf2.h.
243 (output_function_prologue): Add dwarf2 support.
244 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
245 (INCOMING_FRAME_SP_OFFSET): Likewise.
247 * integrate.c (expand_inline_function): Make sure there is at
248 least one insn that can be used as an insertion point.
250 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
252 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
254 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
256 * version.c: Bump for snapshot.
258 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
262 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
264 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
265 (get_pc_via_rdpc): Renamed from get_pc_sp64.
266 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
268 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
270 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
271 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
273 (sparc_align_{loops,jumps,funcs}_string): Declare.
274 (sparc_align_{loops,jumps,funcs}): Declare.
275 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
276 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
277 (STACK_BIAS): Define.
278 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
280 (SPARC_SETHI_P): New macro.
281 (CONST_OK_FOR_LETTER_P): Use it.
282 (ASM_OUTPUT_ALIGN_CODE): Define.
283 (ASM_OUTPUT_LOOP_ALIGN): Define.
284 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
285 (sparc_align_{loops,jumps,funcs}): New globals.
286 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
288 (move_operand): Use SPARC_SETHI_P.
289 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
291 (arith11_double_operand): Likewise.
292 (arith10_double_operand): Likewise.
293 (finalize_pic): Finish sparc64 support.
294 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
295 64 bit constants if able.
296 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
297 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
299 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
300 (get_pc_sp32): Use for sparc64 as well.
301 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
302 (sethi_di_sp64_const): Likewise.
303 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
304 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
305 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
307 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
309 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
310 * sparc/linux.h (COMMENT_BEGIN): Likewise.
311 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
313 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
315 Add sparc64 linux support.
316 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
317 to xm_file list on 32-bit sparc-linux.
318 * sparc/xm-sp64.h: New file.
319 * sparc/linux64.h: New file.
320 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
321 Don't include xm-sparc.h.
322 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
323 * glimits.h (LONG_MAX): Handle sparc64.
325 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
327 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
328 * sparc.h (ASM_COMMENT_START): Define.
329 * sparc.c (output_function_prologue): Use it.
330 (sparc_flat_output_function_{epi,pro}logue): Likewise.
332 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
334 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
335 use sparc.h's copies.
336 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
339 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
341 * sparc.c (dwarf2out_cfi_label): Add declaration.
342 (save_regs, output_function_prologue): Remove cast for it.
343 (sparc_flat_{save_restore,output_function_prologue): Likewise.
344 ({save,restore}_regs): No longer inline.
346 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
348 * fold-const.c (make_range): Correctly handle cases of converting
349 from unsigned to signed type.
351 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
353 * fold-const.c (merge_ranges): Make sure that if one range is subset
354 of another, it will always be the second range. Correct (+,-) case to
357 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
359 * final.c (final_end_function): Also do dwarf2 thing if
360 DWARF2_DEBUGGING_INFO.
361 (final_start_function): Likewise.
363 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
365 * expmed.c (expand_divmod): If compute_mode is not the same as
366 mode, handle the case where convert_modes() causes op1 to no
367 longer be a CONST_INT.
369 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
370 note holding get_jump_flags() calculation to all JUMP_INSNs.
371 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
372 * rtl.c (reg_note_name): Add new note types.
374 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
376 * rtlanal.c (computed_jump_p): Fix typo in last change.
378 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
380 * loop.c (indirect_jump_in_function_p): Return 0
383 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
385 * rs6000/xm-rs6000.h: Fix thinko in last change.
386 * rs6000/xm-sysv4.h: Likewise.
388 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
390 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
392 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
394 * reg-stack.c (find_blocks): Fix thinko in last change.
396 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
398 * m68k.c (output_function_prologue): Add dwarf2 support.
400 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
401 INCOMING_FRAME_SP_OFFSET): New definitions.
403 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
405 * combine.c (try_combine): Use NULL_RTX instead of '0' where
406 appropriate in calls to gen_rtx().
407 * cse.c (cse_main): Likewise.
408 * emit-rtl.c (gen_label_rtx): Likewise.
409 * expr.c (init_expr_once): Likewise.
410 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
411 sched_analyze, init_rgn_data_dependences,
412 compute_block_backward_dependences): Likewise.
413 * sched.c (schedule_insns): Likewise.
414 * varasm.c (immed_double_const): Likewise.
416 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
417 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
419 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
421 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
422 (MULTILIB_DEFAULTS): Define.
423 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
424 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
425 (LIBGCC_SPEC): Likewise.
426 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
427 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
428 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
429 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
430 (EXTRA_PARTS, TAROUTOPTS): Delete.
431 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
432 (MULTILIB_OPTIONS): Define.
433 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
434 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
436 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
438 * version.c: Bump for snapshot.
440 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
442 * loop.c (loop_number): Delete function. Change all references
443 to use uid_loop_num array.
444 * loop.h (loop_number): Delete declaration.
445 * unroll.c (unroll_loop): Change "loop_number" references to
446 use uid_loop_num instead.
448 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
450 (loop_unroll_iter): Remove unused variable and all references.
451 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
452 (insert_bct): Fix minor formatting problems.
453 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
454 (loop_unroll_iter): Removed unused decl.
455 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
456 Always record the unrolling factor.
458 * cse.c (simplify_relational_operation): Set h0u just like h0s.
459 Similarly for h1u and h1s.
461 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
462 (find_basic_blocks): Use computed_jump_p to determine if a
463 particular JUMP_INSN is a computed jump.
464 * reg-stack.c (find_blocks): Use computed_jump_p to determine
465 if a particular JUMP_INSN is a computed jump.
466 * rtlanal.c (jmp_uses_reg_or_mem): New function.
467 (computed_jump_p): Likewise.
468 * rtl.h (computed_jump_p): Declare.
469 * genattrtab.c (pc_rtx): Define and initialize.
470 * loop.c (loop_optimize): Always determine if the current
471 function has a computed jump.
472 (indirect_jump_in_function_p): Use computed_jump_p to determine
473 if a particular JUMP_INSN is a computed jump.
475 * loop.c (fix_bct_param): Delete unused function.
476 (check_bct_param): Likewise.
478 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
480 * frame.c (__deregister_frame): Check properly for initialized object.
482 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
484 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
486 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
488 * jump.c (thread_jumps): check can_reverse_comparison_p before
489 threading a reversed-condition jump.
491 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
492 * haifa-sched.c (update_flow_info): Likewise.
494 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
496 * Makefile.in (BOOT_CFLAGS): Use -O2.
498 * configure.in (strtoul, bsearch): Have autoconf check for these
500 * configure, config.in: Rebuilt.
502 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
503 * mips/mips.h (alloca): Likewise.
504 * rs6000/xm-rs6000.h (alloca): Likewise.
505 * rs6000/xm-sysv4.h: Likewise.
507 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
509 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
510 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
511 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
513 * except.c (end_eh_unwinder): Subtract 1 from return address.
514 * libgcc2.c (__throw): Likewise.
515 (find_exception_handler): Don't change PC here. Compare end with >.
517 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
519 * v850.c (compute_register_save_size): Correct register
521 * v850.md (save_interrupt, return_interrupt): Correct
523 * v850/lib1funcs.asm (save_interrupt): Correct register number.
524 (return_interrupt): Use stack pointer, not element pointer.
526 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
528 * configure.in, configure: Make sure to create the stage* and include
529 symbolic links in each subdirectory.
531 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
533 * pa.md (reload_peepholes): Don't allow addresses with side
534 effects for the memory operand.
536 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
538 * libgcc2.c (find_exception_handler): Subtract one from our PC when
539 looking for a handler, to avoid hitting the beginning of the next
542 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
544 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
546 * mips/abi64.h (LONG_MAX_SPEC): Define.
547 * mips.h (LONG_MAX_SPEC): Define.
548 (CPP_SPEC): Include long_max_spec.
549 (EXTRA_SPECS): Include long_max_spec.
551 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
553 * v850.c (construct_save_jarl): Fix thinko in last change.
555 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
557 * version.c: Bump for snapshot.
559 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
561 * libgcc2.c (find_exception_handler): Not found is -1.
563 * integrate.c (expand_inline_function): Move expand_start_bindings
564 after expanding the arguments.
566 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
568 * expr.c (expand_expr): Remove previous incorrect change.
569 If target and slot has no DECL_RTL, then call mark_addressable
570 again for the slot after we give it RTL.
572 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
574 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
575 again for the slot after we give it RTL.
577 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
579 * v850.c (register_is_ok_for_epilogue,
580 pattern_is_ok_for_epilogue, construct_restore_jr,
581 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
583 * v850.h (pattern_is_ok_for_prologue,
584 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
587 * v850.md: Replace prologue and epilogue patterns with a
588 match_parallel pattern.
590 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
592 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
593 * configure.in: Use EGCS_PROG_INSTALL.
595 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
597 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
598 extern inline function.
600 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
602 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
603 (concat_loc_descriptor): New function.
604 (loc_descriptor): Call it.
605 (add_AT_location_description): Also elide the descriptor if both
606 halves of a CONCAT are pseudos.
607 (add_location_or_const_value_attribute): Recognize CONCAT too.
609 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
611 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
613 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
614 out-or-range reg_offset.
615 (output_epilog): Likewise.
617 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
619 * cse.c (simplify_relational_operation): If MODE specifies a
620 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
621 is derived from the sign bit of the low word.
623 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
625 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
627 * dwarf2.h: Add DW_CFA_GNU_args_size.
628 * frame.c (execute_cfa_insn): Likewise.
629 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
630 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
631 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
632 insn, hand it off to dwarf2out_stack_adjust.
633 (dwarf2out_begin_prologue): Initialize args_size.
634 * frame.h (struct frame_state): Add args_size.
635 * libgcc2.c (__throw): Use args_size.
636 * final.c (final_scan_insn): If we push args, hand off all insns
637 to dwarf2out_frame_debug.
638 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
640 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
641 Handle epilogue restore of SP from FP.
642 * emit-rtl.c (gen_sequence): Still generate a sequence if the
643 lone insn has RTX_FRAME_RELATED_P set.
645 * frame.c (extract_cie_info): Handle "e" augmentation.
646 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
647 absence of UNALIGNED_*_ASM_OP.
648 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
649 (output_call_frame_info): Use "e" instead of "z" for augmentation.
650 Don't emit augmentation fields length.
651 (dwarf2out_do_frame): Move outside of #ifdefs.
652 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
655 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
656 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
657 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
658 * sparc/sun4gas.h: New file.
659 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
661 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
662 __register_frame_table and __deregister_frame.
664 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
666 * except.c (find_exception_handler_labels): Use xmalloc instead of
667 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
670 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
672 * Makefile.in: Various changes to build info files
673 in the object tree rather than the source tree.
675 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
677 * fixinc.math: New file to fix math.h on some systems.
678 * configure.in (freebsd, netbsd): Use fixinc.math on these
680 * configure: Rebuilt.
682 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
684 * regmove.c (regmove_optimize): If we end up moving the
685 original insn due to lifetime overlaps, make sure to move
688 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
690 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
692 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
694 * haifa-sched.c (add_branch_dependences): Make each insn in
695 a SCHED_GROUP_P block explicitly depend on the previous insn.
697 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
699 * except.h: Prototype dwarf2 hooks.
702 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
704 * configure.in (native_prefix): Delete.
705 (mips-dec-netbsd): Don't set prefix.
706 (*linux*): Don't set prefix.
708 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
710 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
711 defined. If not defined, include <sys/varargs.h> if
712 HAVE_SYS_VARARGS_H is defined.
713 * configure.in: Test for varargs.h and sys/varargs.h.
714 * configure: Regenerate with autoconf.
715 * config.in: Regenerate with autoheader.
717 * cpplib.c (quote_string): Cast first arg of sprintf call
718 from "unsigned char *" to "char *".
719 (output_line_command): Ditto.
720 (macroexpand): Ditto.
721 (do_line): Cast atoi arg from "unsigned char *" to "char *".
723 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
725 * version.c: Bump for snapshot.
727 * Makefile.in (compare): Exit with nonzero status if there
728 are comparison failures. Note which files failed the
729 comparison test in .bad_compare.
731 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
733 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
735 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
737 * Makefile.in (LN, LN_S): New macros, use where appropriate.
738 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
739 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
740 * configure: Regenerated.
742 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
744 * loop.c (strength_reduce): Fix typo.
746 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
748 * m88k/m88k.c (struct option): Rename to struct options.
749 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
750 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
751 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
752 __DOLPHIN__ or sysV88.
754 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
756 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
759 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
761 * config.sub: Accept 'amigados' for backward compatability.
763 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
765 * Makefile.in (testsuite/site.exp): New target.
766 (check-gcc, check-g++): Depend on testsuite/site.exp.
767 Don't stop for failure.
769 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
771 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
772 if DWARF2_UNWIND_INFO.
774 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
776 Add support for exception handling using DWARF 2 frame unwind info.
777 Currently works on SPARC and MIPS, and almost on x86.
779 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
780 next_stack_level, in_reg_window): Helper fns.
781 (__throw): Implement for DWARF2_UNWIND_INFO.
783 * expr.c (expand_builtin): Handle builtins used by __throw.
784 * tree.h (enum built_in_function): Add builtins used by __throw.
785 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
786 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
787 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
788 (expand_builtin_extract_return_addr): Likewise.
789 (expand_builtin_frob_return_addr): Likewise.
790 (expand_builtin_set_return_addr_reg): Likewise.
791 (expand_builtin_eh_stub): Likewise.
792 (expand_builtin_set_eh_regs): Likewise.
793 (eh_regs): Choose two call-clobbered registers for passing back values.
795 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
796 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
797 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
798 (stmp-multilib): Likewise.
799 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
801 * except.c: #include "defaults.h".
802 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
803 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
804 (register_exception_table_p): New fn.
805 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
806 (end_eh_unwinder): Likewise.
808 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
809 call __register_frame and __deregister_frame as needed.
810 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
811 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
812 EH_FRAME_SECTION_ASM_OP.
813 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
814 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
815 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
817 * dwarf2out.c (output_call_frame_info): If no support for
818 EXCEPTION_SECTION, mark the start of the frame info with a
820 * collect2.c (frame_tables): New list.
821 (is_ctor_dtor): Recognise frame entries.
822 (scan_prog_file): Likewise.
823 (main): Pass -fno-exceptions to sub-compile. Also do collection
824 if there are any frame entries.
825 (write_c_file_stat): Call __register_frame_table and
826 __deregister_frame as needed.
827 (write_c_file_glob): Likewise.
829 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
830 Also require unaligned reloc support.
831 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
832 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
833 * sparc/sysv4.h: Not here.
835 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
836 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
837 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
839 * libgcc2.c (L_eh): Reorganize, moving code shared by different
840 EH implementations to the top.
841 (find_exception_handler): Split out. Start from 0. Compare against
843 (__find_first_exception_table_match): Use it.
844 * except.c (output_exception_table): Don't do anything if there's
845 no table. Don't output a first entry of zeroes.
846 (eh_outer_context): Adjust properly.
847 (add_eh_table_entry): Use xrealloc.
848 * toplev.c (compile_file): Just call output_exception_table.
850 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
852 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
854 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
856 * except.c (eh_outer_context): Do masking using expand_and.
858 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
860 Add port done awhile ago for the ARC cpu.
861 * arc/arc.h: New file.
862 * arc/arc.c: New file.
863 * arc/arc.md: New file.
864 * arc/initfini.c: New file.
865 * arc/lib1funcs.asm: New file.
866 * arc/t-arc: New file.
867 * arc/xm-arc.h: New file.
868 * ginclude/va-arc.h: New file.
869 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
870 * ginclude/varargs.h: Likewise.
871 * Makefile.in (USER_H): Add va-arc.h.
872 * configure.in (arc-*-elf*): Recognize.
873 * longlong.h: Add ARC support.
875 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
877 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
878 when clearing non-BLKmode data.
880 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
882 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
883 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
885 * xm-m88k.h (USG): Only define if it hasn't already been defined.
887 * Makefile.in (risky-stage1): Delete gratutious whitespace.
889 * Makefile.in (clean): Delete libgcc1-test.
891 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
893 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
895 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
898 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
900 * dwarf2out.c (output_call_frame_info): Call named_section.
902 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
904 * haifa-sched.c (print_value): Fix last change.
906 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
908 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
911 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
913 * mips.c (function_prologue): Set up the CFA when ABI_32.
915 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
916 for dwarf2 unwind info.
917 (output_function_prologue, sparc_flat_output_function_prologue): Same.
919 * final.c (final_end_function): Check dwarf2out_do_frame instead
920 of DWARF2_DEBUG for dwarf2 unwind info.
921 (final_scan_insn): Likewise.
922 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
925 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
928 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
930 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
932 * v850.h (ASM_SPEC): Pass on target processor.
933 (CPP_PREDEFINES): Only define if not already specified.
934 (TARGET_VERSION): Only define if not already specified.
935 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
937 (EXTRA_SWITCHES): Extra entries in the switches array.
938 (TARGET_DEFAULT): Set default target processor.
940 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
942 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
943 cases, add %# and %/, and add : to make them into extended asms.
945 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
947 * alias.c (init_alias_analysis): Clean up incompatible pointer
948 type warning in bzero.
949 * regmove.c (regmove_optimize): Ditto.
950 * haifa-sched.c (find_rgns): Ditto.
952 * haifa-sched.c (print_value): Clean up ptr->int cast
955 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
957 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
958 * install.texi (Configurations): Ditto.
961 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
963 * Makefile.in (sdbout.o): Depend on insn-config.h.
965 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
967 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
968 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
970 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
972 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
973 prologue insn, only the first elt is significant.
974 (output_call_frame_info): For exception handling, always use 4-byte
975 fields as specified by the dwarf2 spec.
976 Don't skip trivial FDEs.
978 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
980 * version.c: Bump for snapshot.
982 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
984 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
985 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
988 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
990 * final.c (shorten_branches): During first pass, assume worst
991 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
993 * Makefile.in (distclean): Remove various things left around
994 by running the testsuite.
996 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
998 * configure.in (out_file): Emit definition to config.status in order
999 to have a defined value for configure.lang.
1000 * configure: Re-built.
1002 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
1004 * configure.in: Make symlink to as-new rather than as.new. Similarly
1006 * configure: Rebuilt.
1008 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
1010 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
1012 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
1014 * sparc/sparc.md: Add ultrasparc scheduling support.
1015 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
1017 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1019 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
1020 as initial value for real_label_map.
1021 (copy_for_inline): Likewise.
1023 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1025 * sched.c (update_flow_info) When looking if to set found_split_dest
1026 or found_orig_dest, look at all parts of a PARALLEL.
1027 * haifa-sched.c (update_flow_info): Likewise.
1029 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
1031 * v850: New directory for v850 port.
1032 * v850/lib1funcs.asm: New file.
1033 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
1034 * ginclude/va-v850.h: New file.
1035 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
1036 * configure.in (mn10200-*-*): New target.
1037 * configure: Rebuilt.
1038 * config.sub: Handle v850-elf.
1039 * Makefile.in (USER_H): Add va-mn10200.h.
1040 * invoke.texi: Document v850 stuff.
1042 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
1044 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
1045 has integer TYPE_{MAX,MIN}_VALUE before using them.
1047 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
1048 __HPUX_ASM__ versions.
1050 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
1052 * install.sh: Delete duplicate install script.
1054 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
1056 * reg-stack.c (subst_stack_regs): Pop the stack register for a
1057 computed goto which sets the same stack register.
1059 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
1060 destination are both on the regstack.
1061 (subst_stack_regs_pat): Put the destination at the top of the regstack.
1063 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
1065 * mips.md (nonlocal_goto_receiver): Define.
1067 * profile.c (output_arc_profiler): Check next_insert_after for non
1068 NULL before deferencing it.
1070 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
1072 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
1074 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
1076 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
1078 * toplev.c (rest_of_compilation): For passes starting with
1079 flow_analysis, use print_rtl_with_bb instead of print_rtl.
1081 * print-rtl.c (print_rtl_single): Print a single rtl value to a
1084 * flow.c (print_rtl_with_bb): Print which insns start and end
1085 basic blocks. For the start of a basic block, also print the live
1088 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
1090 * toplev.c (main): Change #elif to #else/#ifdef
1092 * tlink.c: Include ctype.h.
1093 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
1095 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
1097 * bitmap.c: Conditionally include stdlib.h.
1098 (free): Provide a declaration if NEED_DECLARATION_FREE.
1100 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
1102 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
1104 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
1106 * profile.c (output_arc_profiler): Verify next_insert_after is an
1107 INSN before and after skipping a stack pop.
1109 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1111 * final.c (shorten_branches): Don't count the lengths of deleted
1114 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
1116 * version.c: Bump for snapshot.
1118 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
1120 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
1121 two bitmaps ANDed together.
1122 (bitmap_print): Declare.
1124 * bitmap.c (function_obstack): Don't declare any more.
1125 (bitmap_obstack): Obstack for allocating links from.
1126 (bitmap_obstack_init): New static to say whether to initialize
1128 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
1129 (bitmap_release_memory): Free all memory allocated from
1132 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
1133 EXECUTE_IF_AND_IN_BITMAP.
1135 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
1137 * alias.c (true_dependence): Address with AND can alias scalars.
1138 (anti_dependence, output_dependence): Likewise.
1140 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
1142 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
1144 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
1145 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
1146 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
1147 definitions. Use -qrtems instead of -mrtems.
1149 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
1151 * xm-sco5.h (sys_siglist): Define.
1152 (SYS_SIGLIST_DECLARED): Likewise.
1154 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
1156 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
1158 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
1160 * except.c (eh_outer_context): Expand masking operation using
1163 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
1165 * alpha.md (floatdisf2-1): New pattern.
1167 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
1169 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
1170 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
1171 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
1172 * gcc.texi: Note that if you define sys_siglist that you should
1173 also define SYS_SIGLIST_DECLARED.
1175 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
1176 are relative to the next instruction, not the current instruction.
1178 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
1180 * local-alloc.c (contains_replace_regs): New function.
1181 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
1182 verify that there is no existing REG_EQUIV note, and add a call to
1183 contains_place_regs.
1185 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1187 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
1188 (STARTFILE_SPEC): Always use crtbegin.o%s
1189 (ENDFILE_SPEC): Always use crtend.o%s.
1191 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
1193 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
1195 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
1196 SFmode for 64 bit hosts.
1198 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
1200 * fixincludes: Permits spaces between # and define. Discard C++
1201 comments in sys/pci.h on HP/UX 10.20.
1203 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
1205 * version.c: Bump for snapshot.
1207 * pa.c (restore_unscaled_index_insn_codes): New function.
1208 (record_unscaled_index_insn_codes): Likewise.
1209 (output_function_prologue): Call restore_unscaled_index_insn_codes.
1210 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
1211 (pa_reorg): Call record_unscaled_index_insn_codes.
1213 * haifa-sched.c (move_insn): Handle notes correctly for insns
1214 with SCHED_GROUP_P set.
1216 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1218 * alpha/xm-linux.h (USE_BFD): Undef before define.
1220 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
1222 * cse.c (cse_insn): Don't record BLKmode values.
1224 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
1226 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
1228 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
1230 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
1231 * collect2.c (sys_errlist): Likewise.
1232 * cpplib.c (sys_errlist): Likewise.
1233 * gcc.c (sys_errlist): Likewise.
1234 * protoize (sys_errlist): Likewise.
1235 * configure.in: Check for strerror.
1236 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
1237 * xm-gnu.h (HAVE_STRERROR): Likewise.
1238 * xm-linux.h (HAVE_STRERROR): Likewise.
1239 * xm-netbsd.h (HAVE_STRERROR): Likewise.
1240 * xm-bsd386.h (HAVE_STRERROR): Likewise.
1241 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
1242 * xm-dos.h (HAVE_STRERROR): Likewise.
1243 * xm-mingw32.h (HAVE_STRERROR): Likewise.
1244 * xm-pa.h (HAVE_STRERROR): Likewise.
1245 * xm-papro.h (HAVE_STRERROR): Likewise.
1246 * xm-sysv4.h (HAVE_STRERROR): Likewise.
1247 * configure, config.in: Rebuilt.
1249 * Makefile.in: Add several missing "else true" clauses.
1251 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
1252 * mips-tfile.c: Likewise.
1253 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
1254 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
1255 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
1256 * configure.in: Check for sys_siglist declaration.
1257 * configure, config.in: Rebuilt.
1259 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
1261 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
1262 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
1263 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
1264 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
1265 * rs6000/sysv4.h (extra_subtarget_switches): Added new
1266 macro EXTRA_SUBTARGET_SWITCHES.
1267 * configure.in (sh*-*-rtems*): New target.
1268 * sh/rtems.h: New file.
1269 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
1270 * configure: Rebuilt.
1272 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
1274 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
1276 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
1278 * rs6000.md: Make DF fused-add operations pay attention to
1281 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
1283 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
1285 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
1287 * pa.md (reload_peepholes): Make sure operand is a REG before
1288 examining REGNO. Allow general registers too.
1290 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
1292 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
1294 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
1296 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
1297 to reallocate abbrev_die_table.
1299 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
1301 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
1303 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1305 * Makefile.in (config.status): Depend on version.c
1307 * expr.h (insn_gen_function): Reenable prototype.
1309 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
1312 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
1314 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
1316 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
1318 * version.c: Bump for latest snapshot.
1320 * bc-optab.c: Conditionally include stdlib.h.
1321 (free): Provide a declaration if NEED_DECLARATION_FREE.
1322 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
1323 * rtl.h (free): Remove declaration.
1324 * tree.h (free): Remvoe declaration.
1326 * configure: Rebuilt.
1328 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
1330 * flags.h (flag_move_all_movables): Declare.
1331 (flag_reduce_all_givs): Likewise.
1332 * loop.c (move_movables): Handle flag_move_all_movables.
1333 (strength_reduce): Handle flag_reduce_all_givs.
1334 * toplev.c (flag_move_all_movables): Define.
1335 (flag_reduce_all_givs): Likewise.
1336 (f_options): Add -fmove-all-movables and -freduce-all-givs.
1337 * invoke.texi: Document new options, including alias stuff that
1338 wasn't included last time.
1340 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
1342 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
1345 * t-vxworks68: Ditto.
1346 * t-vxworks960: Ditto.
1349 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
1351 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
1352 if not already defined, and USE_C_ALLOCA not defined.
1354 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
1356 * config.guess: Replace with script that uses ../config.guess.
1358 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
1359 if USE_GNULIBC_1 is not defined.
1361 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
1363 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
1364 * config.guess: Recognize alpha-linux-gnulibc1.
1365 * configure.in (alpha-*-linux-gnulibc1): New target.
1366 (alpha-*-linux-gnu*): Don't build crtbegin/end.
1368 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
1370 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
1373 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
1375 * loop.c (combine_movables): Earlier insns don't match later ones.
1377 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1379 * config/linux.h (CC1_SPEC): Define it only if not defined.
1381 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
1384 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
1385 USE_GNULIBC_1 is not defined.
1387 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
1389 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
1390 as 1 if USE_GNULIBC_1 is not defined.
1392 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
1394 * reorg.c (dbr_schedule): Allow current_function_return_rtx
1395 to be something other than a REG.
1396 * function.c (expand_function_end): Fix current_function_return_rtx
1399 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
1400 * x-netbsd: Likewise
1401 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
1402 (INSTALL_HEADERS): Delete.
1403 * x-dguxbcs: Likewise.
1404 * x-hp3bsd44: Likewise
1407 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1409 * i386.md (pop): pop increments the stack pointer.
1410 (prologue_set_stack_ptr): New pattern.
1411 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
1414 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
1416 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
1417 address where an offsettable address is required.
1419 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
1421 * loop.c (check_final_value): Don't miss a biv increment in a
1424 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
1426 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
1427 TYPE_DECL_IS_STUB instead of DECL_NAME.
1429 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1431 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
1433 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
1435 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
1437 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
1439 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
1440 (find_post_sched_live): Likewise.
1442 * haifa-sched.c (schedule_block): Remove old code to get arguments
1443 from hard regs into pseudos early.
1445 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
1447 * version.c: Bump for new snapshot.
1449 * local-alloc.c (update_equiv_regs): All the target to reject
1450 promotion of some REG_EQUAL to REG_EQUIV notes.
1451 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
1453 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
1456 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
1457 store of the argument registers.
1459 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
1461 * fold-const.c (multiple_of_p): New function.
1462 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
1464 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
1466 * expr.h (insn_gen_function): Temporarily remove prototype.
1468 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
1470 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
1471 filenames. Use sed to extract base filename for install.
1473 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
1475 * unroll.c (find_splittable_givs): Only share if two givs have the
1476 same add and multiply values.
1478 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
1480 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
1481 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
1483 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
1485 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
1486 around branch tables.
1487 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
1488 and .end_brtab directives if TARGET_GAS.
1490 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
1492 * alias.c (true_dependence): Pass x_addr not x to varies.
1494 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
1495 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
1496 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
1498 * config.in, configure: Regenerate.
1500 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
1502 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
1504 (record_set): Handle LO_SUM like PLUS.
1505 (init_alias_analysis): When following chains of base addresses,
1506 do not stop on reaching a hard register.
1508 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
1510 * version.c: Bump for new snapshot.
1512 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
1514 * alpha.h (ARCH_ASM_FILE_START): Define.
1515 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
1516 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
1518 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
1520 * Makefile.in (install-common): Put gcov comment at start of line.
1522 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
1524 * alias.c (init_alias_analysis): When simplifying the reg_base_value
1525 array, simplify entries for hard registers too.
1527 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
1529 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
1532 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
1534 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
1535 block_stack before dereferencing it.
1537 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
1539 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
1541 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1543 * cplus-dem.c: Add 'extern' to prepends_underscore.
1545 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
1547 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
1548 (get_issue_rate): Delete.
1549 * pa.h (ISSUE_RATE): Define.
1551 * configure.in: Turn on haifa by default for the PA.
1552 * configure: Rebuilt.
1553 * pa.c (override_options): Accept -mschedule=7200 option.
1554 (pa_adjust_cost): No longer need to scale costs for newer
1556 * pa.h (enum processor_type): Add PROCESSOR_7200.
1557 * pa.md: Revamp scheduling parameters to work better with
1558 haifa. Add scheduling parameters for the 7200.
1560 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
1562 (schedule_block): When adjusting basic_block_{head,end}, account
1563 for movement of SCHED_GROUP_P insns too.
1565 * haifa-sched.c (debug_dependencies): Fix thinko.
1567 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
1568 (site.exp, check, check-g++, check-gcc): New targets.
1570 * haifa-sched.c: Make lots of variables static.
1572 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1574 * expr.h, real.h: Finish prototyping.
1576 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
1578 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
1579 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
1580 * reload1.c: Undo bugfix from Aug 11.
1582 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
1584 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
1585 quotes around the name.
1586 * configure: Regenerate.
1588 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
1590 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
1592 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
1594 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
1595 to sub-makes to avoid building more passes than the user might have
1596 requested on the command line.
1598 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
1600 * configure.in: Expurgate `broken_install' (install is
1603 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
1606 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
1608 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
1609 functions and declarations.
1610 (analyze_loop_iterations): Use condjump_p.
1611 (insert_bct): Likewise. Use exact_log2.
1613 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
1615 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
1616 (schedule_region): Likewise.
1617 (schedule_insns): Likewise.
1619 * PROJECTS: Update with Haifa stuff.
1621 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
1623 * version.c: Change the version string to look like:
1624 egcs-2.90.00 970814 (gcc2-970802 experimental).
1626 * loop.c (is_conditional_branch): Make definition match declaration.
1628 * gcc.c: Take out experimental snapshot warning message.
1630 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
1632 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
1633 print out the names of the notes. Print out the name of the insn
1634 that is not a note, and not an {,CALL_,JUMP_}INSN.
1636 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1638 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1639 again for the slot after we give it RTL.
1641 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
1643 * configure.in (haifa configury): Fix typo.
1644 * configure: Regenerate.
1646 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
1648 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
1650 * gcc.info*: Rebuilt.
1652 * COPYING.g77, README.g77: New files.
1653 * real.c (ereal_unto_float, ereal_unto_double): New functions.
1654 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
1655 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
1657 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
1659 * Integrate Haifa instruction scheduler.
1660 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
1661 to sched with $(SCHED_CFLAGS.
1662 * configure.in: Handle --enable-haifa.
1663 * configure: Rebuilt.
1664 * flags.h: Add new flags for haifa instruction scheduler.
1665 * genattrtab.c (expand_units): For haifa, don't subtract one
1666 when computing blockage.
1667 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
1668 (flag_schedule_speculative): Ditto.
1669 (flag_schedule_speculative_load): Ditto.
1670 (flag_schedule_speculative_load_dangerous): Ditto.
1671 (flag_schedule_reverse_before_reload): Ditto.
1672 (flag_schedule_reverse_after_reload): Ditto.
1673 (flag_branch_on_count_reg): Ditto.
1674 (f_options): Add Haifa switches.
1675 (main): Turn off some Haifa options if appropriate macro is
1676 defined. Process Haifa switches.
1677 * unroll.c (iteration_info): No longer static, since Haifa
1679 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
1680 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
1681 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
1682 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
1683 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
1684 storage for the Haifa scheduler.
1685 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
1687 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
1688 are defined, call analyze_loop_iterations and insert_bct to use
1690 (record_giv): Refine test for jumps out of loops if HAIFA is
1692 (analyze_loop_iterations): New function to identify if we can use
1694 (insert_bct): Insert countdown loop.
1695 (instrument_loop_bct): Low level code to insert countdown loop.
1696 (loop_number): Calculate UID of loop.
1697 (indirect_jump_in_function_p): Return true if an indirect jump is
1699 (is_power_of_2): Return true if value is a power of 2.
1700 (is_conditional_branch): Return true if insn is a conditional
1702 (fix_bct_param): Process -fbct-{min,max}-N switches.
1703 (check_bct_param): Return true if loop should be instrumented.
1704 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
1705 (loop_optimize): Initialize.
1706 (get_condition_for_loop): Ditto.
1707 * loop.c (strength_reduce): Inside of code that uses #ifdef
1708 HAVE_decrement_and_branch_on_count code, test it to make sure the
1710 (instrument_loop_bct): Ditto.
1711 * haifa-sched.c: New file.
1714 * Integrate regmove pass.
1715 * Makefile.in (OBJS): Add regmove.o
1716 (regmove.o): Add dependencies.
1717 * flow.c (find_use_as_address): No longer static.
1718 * rtl.h (find_use_as_address): Declare.
1719 * toplev.c (regmove_dump, flag_regmove): Define.
1720 (f_options): Add -fregmove.
1721 (regmove_dump_file, regmove_time): Define.
1722 (fatal_insn): Close the regmove dump file.
1723 (compile_file): Initialize regmove_time; open/close the regmove dump
1724 file as needed. Print regmove time as needed.
1725 (rest_of_compilation): Run regmove pass if requested, dump
1726 RTL after regmove if requested.
1727 (main): If -O2 or more, turn on regmove. Handle dump switches.
1728 * regmove.c: New file.
1730 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
1732 * Integrate tlink patch from jason@cygnus.com
1733 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
1734 (process_command): Increment n_switches for them. Don't discard
1735 their args. Validate them.
1736 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
1738 (process_command): Set include_prefixes from COMPILER_PATH.
1739 (main): Set COLLECT_GCC_OPTIONS sooner.
1740 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
1741 * tlink.c, hash.c, hash.h: New files.
1742 * Makefile.in (USE_COLLECT2): Always use collect2.
1743 (collect2): Depend on and link in hash.o and tlink.o.
1744 (tlink.o, hash.o): Add dependencies.
1746 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
1748 * Integrate alias analysis changes from jfc@mit.edu
1749 * Makefile.in (OBJS): Add alias.o
1750 (alias.o): Add dependencies.
1751 * alias.c: New file.
1752 * sched.c: Remove alias analysis code. It lives in alias.c now.
1753 (sched_analyze_2): Add new arguments to true_dependence.
1754 (schedule_insns): Always call init_alias_analysis.
1755 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
1756 mark return value from such functions as a pointer and keep track of
1757 them for alias analysis. If a return value from a function is a
1758 pointer, mark it as such.
1759 * combine.c (distribute_notes): Handle REG_NOALIAS.
1760 * cse.c (struct write_data): Delete. No longer needed.
1761 (invalidate): Don't call set_nonvarying_address_components anymore.
1762 Use true_dependence to decide if an entry should be removed from
1764 (invalidate_memory): Remove WRITES argument, simplify appropriately.
1766 (note_mem_written): Similarly for WRITE_PTR argument.
1767 (invalidate_from_clobbers): Similarly for W argument.
1768 (invalidate_for_call): Remove memory elements from the hash table.
1769 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
1770 (cse_rtx_varies_p): New function. Derived from old
1771 cse_rtx_addr_varies_p.
1772 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
1773 Don't call note_mem_written anymore. Stack pushes invalidate the stack
1774 pointer if PUSH_ROUNDING is defined. No longer need to call
1775 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
1776 (skipped_writes_memory): Remove variable.
1777 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
1778 (invalidate_skipped_block): Simplify for new alias analysis code.
1779 (cse_set_around_loop): Likewise.
1780 (cse_main): Call init_alias_analysis.
1781 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
1782 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
1783 (f_options): Add new alias checking arguments.
1784 (main): Set flag_alias_check when optimizing.
1785 * local_alloc (validate_equiv_mem_from_store): Add new arguments
1787 (memref_referenced_p): Likewise.
1788 * loop.c (NUM_STORES): Increase to 30.
1789 (prescan_loop): Only non-constant calls set unknown_address_altered.
1790 (invariant_p): Add new arguments to true_dependence.
1791 (record_giv): Initialize unrolled and shared fields.
1792 (emit_iv_add_mult): Call record_base_value as needed.
1793 * loop.h (struct induction): Add unrolled and shared fields.
1794 * unroll.c (unroll_loop): Call record_base_value as needed.
1795 (copy_loop_body): Likewise.
1796 (final_biv_value): Likewise.
1797 (final_giv_value): Likewise.
1798 (find_splittable_regs): Likewise. Only create one new pseudo
1799 if we have multiple address GIVs that were combined with the same
1800 dst_reg GIV. Note when a new register is created due to unrolling.
1801 * rtl.c (reg_note_name): Add REG_NOALIAS.
1802 * rtl.h (enum reg_note): Similarly.
1803 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
1804 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
1805 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
1806 (true_dependence, read_dependence, anti_dependence): Likewise.
1807 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
1808 (mark_user_reg, mark_reg_pointer): Likewise.
1811 * Integrate reload bugfix from Wilon which enables the PA port
1813 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
1814 OPERAND_ADDRESS when computing how many registers an insn needs.
1815 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
1817 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
1819 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
1820 in reload_reg_use_in_op_addr do not reach the end.
1821 do not reach the end.
1822 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
1823 RELOAD_FOR_OPERAND_ADDRESS.
1825 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
1827 * egcs project officially starts.