1 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
3 * config/ptx4.h: Fix typo.
5 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
7 * version.c: Bump for snapshot.
9 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
11 * aclocal.m4: Substitute INSTALL.
12 * configure: Re-built.
14 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
16 * integrate.c (save_for_inline_copying): Avoid undefined pointer
18 (expand_inline_function): Likewise.
20 * dwarf2out.c (output_call_frame_info): Reinstate last change
21 using flag_debug_asm check instead of flag_verbose_asm.
23 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
25 * dwarf2out.c (output_call_frame_info): Remove last change.
27 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
29 * frame.c (__frame_state_for): Execute the FDE insns until the
30 current pc value is strictly bigger than the target pc value.
32 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
34 * regclass.c (init_reg_modes): If we can't find a mode for the
35 register, use the previous one.
37 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
39 * haifa-sched.c (print_block_visualization): Call fprintf directly,
40 don't sprintf through an alloca'ed buffer.
42 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
44 * reload.c (decompose): Always initialize val.base.
46 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
48 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
50 * dwarf2out.c (output_call_frame_info): Call app_enable and
51 app_disable to let GNU as accept the generated comments.
53 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
55 * tree.h (get_file_function_name): Add declaration.
56 * dwarf2out.c (output_call_frame_info): No need to cast
57 get_file_function_name call anymore.
58 * profile.c (toplevel): Remove get_file_function_name
60 * c-lang.c (finish_file): Ditto.
62 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
64 * Makefile.in (program_transform_name): Let autoconf substitute
67 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
69 * haifa-sched.c (schedule_block): If the first real insn in a
70 block has any special notes attached to it, remove them.
72 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
74 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
76 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
78 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
80 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
82 * Makefile.in (check-g77): New test target.
83 (CHECK-TARGETS): Add check-g77.
85 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
87 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
89 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
91 * flow.c (print_rtl_with_bb): Cast alloca return value for
94 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
96 * i386.h (RETURN_ADDR_RTX): New definition that works for
97 __builtin_return_address(0) and -fomit-frame-pointer.
99 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
102 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
104 * mips.c (function_arg): Handle passing a struct
105 containing a double in a DFmode register without the PARALLEL.
107 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
109 * pexecute.c: Use spawn if __CYGWIN32__.
111 * pexecute.c: Include "config.h" first, as per autoconf manual
112 (from Paul Eggert <eggert@twinsun.com>).
114 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
116 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
117 optimisation for f/expr.o and f/stb.o.
119 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
121 * cse.c (this_insn_cc0_mode): Initialize.
123 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
125 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
127 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
129 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
131 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
132 that pair will dual-issue on the 21164 and plus+beq won't.
133 (bne): Likewise for cmpeq+beq.
135 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
137 * except.c (find_exception_handler_labels): Correct argument to free.
139 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
141 * except.c (find_exception_handler_labels): Free LABELS when we're
144 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
146 * version.c: Bump for snapshot.
148 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
150 * flow.c (find_basic_blocks): Mark calls as potentially jumping
153 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
155 * configure.in: Substitute for "install" too.
156 * configure: Rebuilt.
158 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
160 * Makefile.in (bootstrap-lean, compare-lean): New targets.
162 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
164 * alias.c (base_alias_check): Two symbols can conflict if they
165 are accessed via AND.
166 (memrefs_conflict_p): Likewise.
168 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
169 after flushing argument registers to the stack.
171 * Makefile.in (mostlyclean): Remove .regmove files.
173 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
175 * libgcc2.c (__throw): Fix thinko.
177 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
179 * cplus-dem.c (demangle_template): Add new parameter. Handle new
180 template-function mangling.
181 (consume_count_with_underscores): New function.
182 (demangle_signature): Handle new name-mangling scheme.
184 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
186 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
189 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
191 * frame.c: Remove last change.
192 * dwarf2.h: Remove last change.
193 * tree.h: Add declarations of DWARF2 unwind info support
196 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
198 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
199 * tree.h (built_in_function): Likewise.
200 * expr.c (expand_builtin): Likewise.
201 * except.h: Likewise.
202 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
203 * libgcc2.c (copy_reg): New fn.
206 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
208 * c-typeck.c (build_binary_op): Warn about comparing signed vs
209 unsigned if -W is specified and -Wno-sign-compare is not.
210 * c-decl.c (warn_sign_compare): Initialize to -1.
211 (c_decode_option): -Wall no longer implies -Wsign-compare.
213 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
215 * frame.c: Include gansidecl.h for PROTO.
216 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
217 defined. Don't declare dwarf2out_cfi_label here.
218 * dwarf2.h: Add declarations of DWARF2 unwind info support
220 * m68k.c: Include dwarf2.h.
221 (output_function_prologue): Add dwarf2 support.
222 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
223 (INCOMING_FRAME_SP_OFFSET): Likewise.
225 * integrate.c (expand_inline_function): Make sure there is at
226 least one insn that can be used as an insertion point.
228 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
230 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
232 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
234 * version.c: Bump for snapshot.
236 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
240 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
242 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
243 (get_pc_via_rdpc): Renamed from get_pc_sp64.
244 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
246 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
248 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
249 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
251 (sparc_align_{loops,jumps,funcs}_string): Declare.
252 (sparc_align_{loops,jumps,funcs}): Declare.
253 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
254 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
255 (STACK_BIAS): Define.
256 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
258 (SPARC_SETHI_P): New macro.
259 (CONST_OK_FOR_LETTER_P): Use it.
260 (ASM_OUTPUT_ALIGN_CODE): Define.
261 (ASM_OUTPUT_LOOP_ALIGN): Define.
262 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
263 (sparc_align_{loops,jumps,funcs}): New globals.
264 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
266 (move_operand): Use SPARC_SETHI_P.
267 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
269 (arith11_double_operand): Likewise.
270 (arith10_double_operand): Likewise.
271 (finalize_pic): Finish sparc64 support.
272 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
273 64 bit constants if able.
274 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
275 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
277 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
278 (get_pc_sp32): Use for sparc64 as well.
279 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
280 (sethi_di_sp64_const): Likewise.
281 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
282 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
283 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
285 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
287 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
288 * sparc/linux.h (COMMENT_BEGIN): Likewise.
289 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
291 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
293 Add sparc64 linux support.
294 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
295 to xm_file list on 32-bit sparc-linux.
296 * sparc/xm-sp64.h: New file.
297 * sparc/linux64.h: New file.
298 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
299 Don't include xm-sparc.h.
300 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
301 * glimits.h (LONG_MAX): Handle sparc64.
303 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
305 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
306 * sparc.h (ASM_COMMENT_START): Define.
307 * sparc.c (output_function_prologue): Use it.
308 (sparc_flat_output_function_{epi,pro}logue): Likewise.
310 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
312 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
313 use sparc.h's copies.
314 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
317 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
319 * sparc.c (dwarf2out_cfi_label): Add declaration.
320 (save_regs, output_function_prologue): Remove cast for it.
321 (sparc_flat_{save_restore,output_function_prologue): Likewise.
322 ({save,restore}_regs): No longer inline.
324 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
326 * fold-const.c (make_range): Correctly handle cases of converting
327 from unsigned to signed type.
329 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
331 * fold-const.c (merge_ranges): Make sure that if one range is subset
332 of another, it will always be the second range. Correct (+,-) case to
335 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
337 * final.c (final_end_function): Also do dwarf2 thing if
338 DWARF2_DEBUGGING_INFO.
339 (final_start_function): Likewise.
341 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
343 * expmed.c (expand_divmod): If compute_mode is not the same as
344 mode, handle the case where convert_modes() causes op1 to no
345 longer be a CONST_INT.
347 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
348 note holding get_jump_flags() calculation to all JUMP_INSNs.
349 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
350 * rtl.c (reg_note_name): Add new note types.
352 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
354 * rtlanal.c (computed_jump_p): Fix typo in last change.
356 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
358 * loop.c (indirect_jump_in_function_p): Return 0
361 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
363 * rs6000/xm-rs6000.h: Fix thinko in last change.
364 * rs6000/xm-sysv4.h: Likewise.
366 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
368 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
370 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
372 * reg-stack.c (find_blocks): Fix thinko in last change.
374 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
376 * m68k.c (output_function_prologue): Add dwarf2 support.
378 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
379 INCOMING_FRAME_SP_OFFSET): New definitions.
381 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
383 * combine.c (try_combine): Use NULL_RTX instead of '0' where
384 appropriate in calls to gen_rtx().
385 * cse.c (cse_main): Likewise.
386 * emit-rtl.c (gen_label_rtx): Likewise.
387 * expr.c (init_expr_once): Likewise.
388 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
389 sched_analyze, init_rgn_data_dependences,
390 compute_block_backward_dependences): Likewise.
391 * sched.c (schedule_insns): Likewise.
392 * varasm.c (immed_double_const): Likewise.
394 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
395 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
397 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
399 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
400 (MULTILIB_DEFAULTS): Define.
401 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
402 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
403 (LIBGCC_SPEC): Likewise.
404 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
405 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
406 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
407 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
408 (EXTRA_PARTS, TAROUTOPTS): Delete.
409 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
410 (MULTILIB_OPTIONS): Define.
411 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
412 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
414 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
416 * version.c: Bump for snapshot.
418 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
420 * loop.c (loop_number): Delete function. Change all references
421 to use uid_loop_num array.
422 * loop.h (loop_number): Delete declaration.
423 * unroll.c (unroll_loop): Change "loop_number" references to
424 use uid_loop_num instead.
426 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
428 (loop_unroll_iter): Remove unused variable and all references.
429 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
430 (insert_bct): Fix minor formatting problems.
431 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
432 (loop_unroll_iter): Removed unused decl.
433 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
434 Always record the unrolling factor.
436 * cse.c (simplify_relational_operation): Set h0u just like h0s.
437 Similarly for h1u and h1s.
439 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
440 (find_basic_blocks): Use computed_jump_p to determine if a
441 particular JUMP_INSN is a computed jump.
442 * reg-stack.c (find_blocks): Use computed_jump_p to determine
443 if a particular JUMP_INSN is a computed jump.
444 * rtlanal.c (jmp_uses_reg_or_mem): New function.
445 (computed_jump_p): Likewise.
446 * rtl.h (computed_jump_p): Declare.
447 * genattrtab.c (pc_rtx): Define and initialize.
448 * loop.c (loop_optimize): Always determine if the current
449 function has a computed jump.
450 (indirect_jump_in_function_p): Use computed_jump_p to determine
451 if a particular JUMP_INSN is a computed jump.
453 * loop.c (fix_bct_param): Delete unused function.
454 (check_bct_param): Likewise.
456 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
458 * frame.c (__deregister_frame): Check properly for initialized object.
460 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
462 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
464 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
466 * jump.c (thread_jumps): check can_reverse_comparison_p before
467 threading a reversed-condition jump.
469 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
470 * haifa-sched.c (update_flow_info): Likewise.
472 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
474 * Makefile.in (BOOT_CFLAGS): Use -O2.
476 * configure.in (strtoul, bsearch): Have autoconf check for these
478 * configure, config.in: Rebuilt.
480 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
481 * mips/mips.h (alloca): Likewise.
482 * rs6000/xm-rs6000.h (alloca): Likewise.
483 * rs6000/xm-sysv4.h: Likewise.
485 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
487 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
488 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
489 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
491 * except.c (end_eh_unwinder): Subtract 1 from return address.
492 * libgcc2.c (__throw): Likewise.
493 (find_exception_handler): Don't change PC here. Compare end with >.
495 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
497 * v850.c (compute_register_save_size): Correct register
499 * v850.md (save_interrupt, return_interrupt): Correct
501 * v850/lib1funcs.asm (save_interrupt): Correct register number.
502 (return_interrupt): Use stack pointer, not element pointer.
504 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
506 * configure.in, configure: Make sure to create the stage* and include
507 symbolic links in each subdirectory.
509 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
511 * pa.md (reload_peepholes): Don't allow addresses with side
512 effects for the memory operand.
514 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
516 * libgcc2.c (find_exception_handler): Subtract one from our PC when
517 looking for a handler, to avoid hitting the beginning of the next
520 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
522 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
524 * mips/abi64.h (LONG_MAX_SPEC): Define.
525 * mips.h (LONG_MAX_SPEC): Define.
526 (CPP_SPEC): Include long_max_spec.
527 (EXTRA_SPECS): Include long_max_spec.
529 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
531 * v850.c (construct_save_jarl): Fix thinko in last change.
533 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
535 * version.c: Bump for snapshot.
537 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
539 * libgcc2.c (find_exception_handler): Not found is -1.
541 * integrate.c (expand_inline_function): Move expand_start_bindings
542 after expanding the arguments.
544 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
546 * expr.c (expand_expr): Remove previous incorrect change.
547 If target and slot has no DECL_RTL, then call mark_addressable
548 again for the slot after we give it RTL.
550 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
552 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
553 again for the slot after we give it RTL.
555 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
557 * v850.c (register_is_ok_for_epilogue,
558 pattern_is_ok_for_epilogue, construct_restore_jr,
559 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
561 * v850.h (pattern_is_ok_for_prologue,
562 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
565 * v850.md: Replace prologue and epilogue patterns with a
566 match_parallel pattern.
568 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
570 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
571 * configure.in: Use EGCS_PROG_INSTALL.
573 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
575 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
576 extern inline function.
578 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
580 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
581 (concat_loc_descriptor): New function.
582 (loc_descriptor): Call it.
583 (add_AT_location_description): Also elide the descriptor if both
584 halves of a CONCAT are pseudos.
585 (add_location_or_const_value_attribute): Recognize CONCAT too.
587 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
589 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
591 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
592 out-or-range reg_offset.
593 (output_epilog): Likewise.
595 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
597 * cse.c (simplify_relational_operation): If MODE specifies a
598 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
599 is derived from the sign bit of the low word.
601 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
603 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
605 * dwarf2.h: Add DW_CFA_GNU_args_size.
606 * frame.c (execute_cfa_insn): Likewise.
607 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
608 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
609 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
610 insn, hand it off to dwarf2out_stack_adjust.
611 (dwarf2out_begin_prologue): Initialize args_size.
612 * frame.h (struct frame_state): Add args_size.
613 * libgcc2.c (__throw): Use args_size.
614 * final.c (final_scan_insn): If we push args, hand off all insns
615 to dwarf2out_frame_debug.
616 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
618 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
619 Handle epilogue restore of SP from FP.
620 * emit-rtl.c (gen_sequence): Still generate a sequence if the
621 lone insn has RTX_FRAME_RELATED_P set.
623 * frame.c (extract_cie_info): Handle "e" augmentation.
624 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
625 absence of UNALIGNED_*_ASM_OP.
626 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
627 (output_call_frame_info): Use "e" instead of "z" for augmentation.
628 Don't emit augmentation fields length.
629 (dwarf2out_do_frame): Move outside of #ifdefs.
630 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
633 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
634 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
635 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
636 * sparc/sun4gas.h: New file.
637 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
639 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
640 __register_frame_table and __deregister_frame.
642 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
644 * except.c (find_exception_handler_labels): Use xmalloc instead of
645 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
648 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
650 * Makefile.in: Various changes to build info files
651 in the object tree rather than the source tree.
653 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
655 * fixinc.math: New file to fix math.h on some systems.
656 * configure.in (freebsd, netbsd): Use fixinc.math on these
658 * configure: Rebuilt.
660 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
662 * regmove.c (regmove_optimize): If we end up moving the
663 original insn due to lifetime overlaps, make sure to move
666 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
668 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
670 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
672 * haifa-sched.c (add_branch_dependences): Make each insn in
673 a SCHED_GROUP_P block explicitly depend on the previous insn.
675 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
677 * except.h: Prototype dwarf2 hooks.
680 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
682 * configure.in (native_prefix): Delete.
683 (mips-dec-netbsd): Don't set prefix.
684 (*linux*): Don't set prefix.
686 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
688 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
689 defined. If not defined, include <sys/varargs.h> if
690 HAVE_SYS_VARARGS_H is defined.
691 * configure.in: Test for varargs.h and sys/varargs.h.
692 * configure: Regenerate with autoconf.
693 * config.in: Regenerate with autoheader.
695 * cpplib.c (quote_string): Cast first arg of sprintf call
696 from "unsigned char *" to "char *".
697 (output_line_command): Ditto.
698 (macroexpand): Ditto.
699 (do_line): Cast atoi arg from "unsigned char *" to "char *".
701 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
703 * version.c: Bump for snapshot.
705 * Makefile.in (compare): Exit with nonzero status if there
706 are comparison failures. Note which files failed the
707 comparison test in .bad_compare.
709 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
711 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
713 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
715 * Makefile.in (LN, LN_S): New macros, use where appropriate.
716 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
717 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
718 * configure: Regenerated.
720 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
722 * loop.c (strength_reduce): Fix typo.
724 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
726 * m88k/m88k.c (struct option): Rename to struct options.
727 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
728 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
729 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
730 __DOLPHIN__ or sysV88.
732 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
734 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
737 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
739 * config.sub: Accept 'amigados' for backward compatability.
741 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
743 * Makefile.in (testsuite/site.exp): New target.
744 (check-gcc, check-g++): Depend on testsuite/site.exp.
745 Don't stop for failure.
747 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
749 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
750 if DWARF2_UNWIND_INFO.
752 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
754 Add support for exception handling using DWARF 2 frame unwind info.
755 Currently works on SPARC and MIPS, and almost on x86.
757 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
758 next_stack_level, in_reg_window): Helper fns.
759 (__throw): Implement for DWARF2_UNWIND_INFO.
761 * expr.c (expand_builtin): Handle builtins used by __throw.
762 * tree.h (enum built_in_function): Add builtins used by __throw.
763 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
764 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
765 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
766 (expand_builtin_extract_return_addr): Likewise.
767 (expand_builtin_frob_return_addr): Likewise.
768 (expand_builtin_set_return_addr_reg): Likewise.
769 (expand_builtin_eh_stub): Likewise.
770 (expand_builtin_set_eh_regs): Likewise.
771 (eh_regs): Choose two call-clobbered registers for passing back values.
773 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
774 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
775 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
776 (stmp-multilib): Likewise.
777 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
779 * except.c: #include "defaults.h".
780 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
781 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
782 (register_exception_table_p): New fn.
783 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
784 (end_eh_unwinder): Likewise.
786 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
787 call __register_frame and __deregister_frame as needed.
788 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
789 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
790 EH_FRAME_SECTION_ASM_OP.
791 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
792 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
793 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
795 * dwarf2out.c (output_call_frame_info): If no support for
796 EXCEPTION_SECTION, mark the start of the frame info with a
798 * collect2.c (frame_tables): New list.
799 (is_ctor_dtor): Recognise frame entries.
800 (scan_prog_file): Likewise.
801 (main): Pass -fno-exceptions to sub-compile. Also do collection
802 if there are any frame entries.
803 (write_c_file_stat): Call __register_frame_table and
804 __deregister_frame as needed.
805 (write_c_file_glob): Likewise.
807 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
808 Also require unaligned reloc support.
809 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
810 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
811 * sparc/sysv4.h: Not here.
813 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
814 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
815 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
817 * libgcc2.c (L_eh): Reorganize, moving code shared by different
818 EH implementations to the top.
819 (find_exception_handler): Split out. Start from 0. Compare against
821 (__find_first_exception_table_match): Use it.
822 * except.c (output_exception_table): Don't do anything if there's
823 no table. Don't output a first entry of zeroes.
824 (eh_outer_context): Adjust properly.
825 (add_eh_table_entry): Use xrealloc.
826 * toplev.c (compile_file): Just call output_exception_table.
828 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
830 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
832 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
834 * except.c (eh_outer_context): Do masking using expand_and.
836 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
838 Add port done awhile ago for the ARC cpu.
839 * arc/arc.h: New file.
840 * arc/arc.c: New file.
841 * arc/arc.md: New file.
842 * arc/initfini.c: New file.
843 * arc/lib1funcs.asm: New file.
844 * arc/t-arc: New file.
845 * arc/xm-arc.h: New file.
846 * ginclude/va-arc.h: New file.
847 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
848 * ginclude/varargs.h: Likewise.
849 * Makefile.in (USER_H): Add va-arc.h.
850 * configure.in (arc-*-elf*): Recognize.
851 * longlong.h: Add ARC support.
853 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
855 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
856 when clearing non-BLKmode data.
858 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
860 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
861 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
863 * xm-m88k.h (USG): Only define if it hasn't already been defined.
865 * Makefile.in (risky-stage1): Delete gratutious whitespace.
867 * Makefile.in (clean): Delete libgcc1-test.
869 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
871 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
873 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
876 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
878 * dwarf2out.c (output_call_frame_info): Call named_section.
880 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
882 * haifa-sched.c (print_value): Fix last change.
884 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
886 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
889 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
891 * mips.c (function_prologue): Set up the CFA when ABI_32.
893 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
894 for dwarf2 unwind info.
895 (output_function_prologue, sparc_flat_output_function_prologue): Same.
897 * final.c (final_end_function): Check dwarf2out_do_frame instead
898 of DWARF2_DEBUG for dwarf2 unwind info.
899 (final_scan_insn): Likewise.
900 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
903 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
906 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
908 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
910 * v850.h (ASM_SPEC): Pass on target processor.
911 (CPP_PREDEFINES): Only define if not already specified.
912 (TARGET_VERSION): Only define if not already specified.
913 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
915 (EXTRA_SWITCHES): Extra entries in the switches array.
916 (TARGET_DEFAULT): Set default target processor.
918 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
920 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
921 cases, add %# and %/, and add : to make them into extended asms.
923 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
925 * alias.c (init_alias_analysis): Clean up incompatible pointer
926 type warning in bzero.
927 * regmove.c (regmove_optimize): Ditto.
928 * haifa-sched.c (find_rgns): Ditto.
930 * haifa-sched.c (print_value): Clean up ptr->int cast
933 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
935 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
936 * install.texi (Configurations): Ditto.
939 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
941 * Makefile.in (sdbout.o): Depend on insn-config.h.
943 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
945 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
946 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
948 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
950 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
951 prologue insn, only the first elt is significant.
952 (output_call_frame_info): For exception handling, always use 4-byte
953 fields as specified by the dwarf2 spec.
954 Don't skip trivial FDEs.
956 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
958 * version.c: Bump for snapshot.
960 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
962 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
963 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
966 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
968 * final.c (shorten_branches): During first pass, assume worst
969 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
971 * Makefile.in (distclean): Remove various things left around
972 by running the testsuite.
974 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
976 * configure.in (out_file): Emit definition to config.status in order
977 to have a defined value for configure.lang.
978 * configure: Re-built.
980 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
982 * configure.in: Make symlink to as-new rather than as.new. Similarly
984 * configure: Rebuilt.
986 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
988 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
990 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
992 * sparc/sparc.md: Add ultrasparc scheduling support.
993 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
995 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
997 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
998 as initial value for real_label_map.
999 (copy_for_inline): Likewise.
1001 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1003 * sched.c (update_flow_info) When looking if to set found_split_dest
1004 or found_orig_dest, look at all parts of a PARALLEL.
1005 * haifa-sched.c (update_flow_info): Likewise.
1007 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
1009 * v850: New directory for v850 port.
1010 * v850/lib1funcs.asm: New file.
1011 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
1012 * ginclude/va-v850.h: New file.
1013 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
1014 * configure.in (mn10200-*-*): New target.
1015 * configure: Rebuilt.
1016 * config.sub: Handle v850-elf.
1017 * Makefile.in (USER_H): Add va-mn10200.h.
1018 * invoke.texi: Document v850 stuff.
1020 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
1022 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
1023 has integer TYPE_{MAX,MIN}_VALUE before using them.
1025 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
1026 __HPUX_ASM__ versions.
1028 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
1030 * install.sh: Delete duplicate install script.
1032 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
1034 * reg-stack.c (subst_stack_regs): Pop the stack register for a
1035 computed goto which sets the same stack register.
1037 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
1038 destination are both on the regstack.
1039 (subst_stack_regs_pat): Put the destination at the top of the regstack.
1041 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
1043 * mips.md (nonlocal_goto_receiver): Define.
1045 * profile.c (output_arc_profiler): Check next_insert_after for non
1046 NULL before deferencing it.
1048 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
1050 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
1052 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
1054 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
1056 * toplev.c (rest_of_compilation): For passes starting with
1057 flow_analysis, use print_rtl_with_bb instead of print_rtl.
1059 * print-rtl.c (print_rtl_single): Print a single rtl value to a
1062 * flow.c (print_rtl_with_bb): Print which insns start and end
1063 basic blocks. For the start of a basic block, also print the live
1066 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
1068 * toplev.c (main): Change #elif to #else/#ifdef
1070 * tlink.c: Include ctype.h.
1071 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
1073 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
1075 * bitmap.c: Conditionally include stdlib.h.
1076 (free): Provide a declaration if NEED_DECLARATION_FREE.
1078 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
1080 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
1082 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
1084 * profile.c (output_arc_profiler): Verify next_insert_after is an
1085 INSN before and after skipping a stack pop.
1087 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1089 * final.c (shorten_branches): Don't count the lengths of deleted
1092 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
1094 * version.c: Bump for snapshot.
1096 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
1098 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
1099 two bitmaps ANDed together.
1100 (bitmap_print): Declare.
1102 * bitmap.c (function_obstack): Don't declare any more.
1103 (bitmap_obstack): Obstack for allocating links from.
1104 (bitmap_obstack_init): New static to say whether to initialize
1106 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
1107 (bitmap_release_memory): Free all memory allocated from
1110 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
1111 EXECUTE_IF_AND_IN_BITMAP.
1113 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
1115 * alias.c (true_dependence): Address with AND can alias scalars.
1116 (anti_dependence, output_dependence): Likewise.
1118 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
1120 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
1122 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
1123 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
1124 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
1125 definitions. Use -qrtems instead of -mrtems.
1127 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
1129 * xm-sco5.h (sys_siglist): Define.
1130 (SYS_SIGLIST_DECLARED): Likewise.
1132 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
1134 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
1136 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
1138 * except.c (eh_outer_context): Expand masking operation using
1141 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
1143 * alpha.md (floatdisf2-1): New pattern.
1145 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
1147 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
1148 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
1149 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
1150 * gcc.texi: Note that if you define sys_siglist that you should
1151 also define SYS_SIGLIST_DECLARED.
1153 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
1154 are relative to the next instruction, not the current instruction.
1156 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
1158 * local-alloc.c (contains_replace_regs): New function.
1159 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
1160 verify that there is no existing REG_EQUIV note, and add a call to
1161 contains_place_regs.
1163 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1165 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
1166 (STARTFILE_SPEC): Always use crtbegin.o%s
1167 (ENDFILE_SPEC): Always use crtend.o%s.
1169 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
1171 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
1173 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
1174 SFmode for 64 bit hosts.
1176 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
1178 * fixincludes: Permits spaces between # and define. Discard C++
1179 comments in sys/pci.h on HP/UX 10.20.
1181 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
1183 * version.c: Bump for snapshot.
1185 * pa.c (restore_unscaled_index_insn_codes): New function.
1186 (record_unscaled_index_insn_codes): Likewise.
1187 (output_function_prologue): Call restore_unscaled_index_insn_codes.
1188 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
1189 (pa_reorg): Call record_unscaled_index_insn_codes.
1191 * haifa-sched.c (move_insn): Handle notes correctly for insns
1192 with SCHED_GROUP_P set.
1194 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1196 * alpha/xm-linux.h (USE_BFD): Undef before define.
1198 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
1200 * cse.c (cse_insn): Don't record BLKmode values.
1202 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
1204 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
1206 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
1208 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
1209 * collect2.c (sys_errlist): Likewise.
1210 * cpplib.c (sys_errlist): Likewise.
1211 * gcc.c (sys_errlist): Likewise.
1212 * protoize (sys_errlist): Likewise.
1213 * configure.in: Check for strerror.
1214 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
1215 * xm-gnu.h (HAVE_STRERROR): Likewise.
1216 * xm-linux.h (HAVE_STRERROR): Likewise.
1217 * xm-netbsd.h (HAVE_STRERROR): Likewise.
1218 * xm-bsd386.h (HAVE_STRERROR): Likewise.
1219 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
1220 * xm-dos.h (HAVE_STRERROR): Likewise.
1221 * xm-mingw32.h (HAVE_STRERROR): Likewise.
1222 * xm-pa.h (HAVE_STRERROR): Likewise.
1223 * xm-papro.h (HAVE_STRERROR): Likewise.
1224 * xm-sysv4.h (HAVE_STRERROR): Likewise.
1225 * configure, config.in: Rebuilt.
1227 * Makefile.in: Add several missing "else true" clauses.
1229 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
1230 * mips-tfile.c: Likewise.
1231 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
1232 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
1233 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
1234 * configure.in: Check for sys_siglist declaration.
1235 * configure, config.in: Rebuilt.
1237 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
1239 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
1240 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
1241 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
1242 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
1243 * rs6000/sysv4.h (extra_subtarget_switches): Added new
1244 macro EXTRA_SUBTARGET_SWITCHES.
1245 * configure.in (sh*-*-rtems*): New target.
1246 * sh/rtems.h: New file.
1247 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
1248 * configure: Rebuilt.
1250 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
1252 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
1254 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
1256 * rs6000.md: Make DF fused-add operations pay attention to
1259 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
1261 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
1263 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
1265 * pa.md (reload_peepholes): Make sure operand is a REG before
1266 examining REGNO. Allow general registers too.
1268 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
1270 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
1272 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
1274 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
1275 to reallocate abbrev_die_table.
1277 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
1279 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
1281 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1283 * Makefile.in (config.status): Depend on version.c
1285 * expr.h (insn_gen_function): Reenable prototype.
1287 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
1290 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
1292 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
1294 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
1296 * version.c: Bump for latest snapshot.
1298 * bc-optab.c: Conditionally include stdlib.h.
1299 (free): Provide a declaration if NEED_DECLARATION_FREE.
1300 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
1301 * rtl.h (free): Remove declaration.
1302 * tree.h (free): Remvoe declaration.
1304 * configure: Rebuilt.
1306 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
1308 * flags.h (flag_move_all_movables): Declare.
1309 (flag_reduce_all_givs): Likewise.
1310 * loop.c (move_movables): Handle flag_move_all_movables.
1311 (strength_reduce): Handle flag_reduce_all_givs.
1312 * toplev.c (flag_move_all_movables): Define.
1313 (flag_reduce_all_givs): Likewise.
1314 (f_options): Add -fmove-all-movables and -freduce-all-givs.
1315 * invoke.texi: Document new options, including alias stuff that
1316 wasn't included last time.
1318 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
1320 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
1323 * t-vxworks68: Ditto.
1324 * t-vxworks960: Ditto.
1327 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
1329 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
1330 if not already defined, and USE_C_ALLOCA not defined.
1332 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
1334 * config.guess: Replace with script that uses ../config.guess.
1336 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
1337 if USE_GNULIBC_1 is not defined.
1339 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
1341 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
1342 * config.guess: Recognize alpha-linux-gnulibc1.
1343 * configure.in (alpha-*-linux-gnulibc1): New target.
1344 (alpha-*-linux-gnu*): Don't build crtbegin/end.
1346 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
1348 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
1351 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
1353 * loop.c (combine_movables): Earlier insns don't match later ones.
1355 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1357 * config/linux.h (CC1_SPEC): Define it only if not defined.
1359 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
1362 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
1363 USE_GNULIBC_1 is not defined.
1365 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
1367 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
1368 as 1 if USE_GNULIBC_1 is not defined.
1370 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
1372 * reorg.c (dbr_schedule): Allow current_function_return_rtx
1373 to be something other than a REG.
1374 * function.c (expand_function_end): Fix current_function_return_rtx
1377 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
1378 * x-netbsd: Likewise
1379 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
1380 (INSTALL_HEADERS): Delete.
1381 * x-dguxbcs: Likewise.
1382 * x-hp3bsd44: Likewise
1385 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1387 * i386.md (pop): pop increments the stack pointer.
1388 (prologue_set_stack_ptr): New pattern.
1389 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
1392 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
1394 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
1395 address where an offsettable address is required.
1397 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
1399 * loop.c (check_final_value): Don't miss a biv increment in a
1402 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
1404 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
1405 TYPE_DECL_IS_STUB instead of DECL_NAME.
1407 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1409 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
1411 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
1413 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
1415 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
1417 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
1418 (find_post_sched_live): Likewise.
1420 * haifa-sched.c (schedule_block): Remove old code to get arguments
1421 from hard regs into pseudos early.
1423 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
1425 * version.c: Bump for new snapshot.
1427 * local-alloc.c (update_equiv_regs): All the target to reject
1428 promotion of some REG_EQUAL to REG_EQUIV notes.
1429 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
1431 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
1434 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
1435 store of the argument registers.
1437 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
1439 * fold-const.c (multiple_of_p): New function.
1440 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
1442 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
1444 * expr.h (insn_gen_function): Temporarily remove prototype.
1446 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
1448 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
1449 filenames. Use sed to extract base filename for install.
1451 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
1453 * unroll.c (find_splittable_givs): Only share if two givs have the
1454 same add and multiply values.
1456 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
1458 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
1459 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
1461 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
1463 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
1464 around branch tables.
1465 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
1466 and .end_brtab directives if TARGET_GAS.
1468 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
1470 * alias.c (true_dependence): Pass x_addr not x to varies.
1472 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
1473 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
1474 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
1476 * config.in, configure: Regenerate.
1478 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
1480 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
1482 (record_set): Handle LO_SUM like PLUS.
1483 (init_alias_analysis): When following chains of base addresses,
1484 do not stop on reaching a hard register.
1486 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
1488 * version.c: Bump for new snapshot.
1490 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
1492 * alpha.h (ARCH_ASM_FILE_START): Define.
1493 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
1494 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
1496 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
1498 * Makefile.in (install-common): Put gcov comment at start of line.
1500 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
1502 * alias.c (init_alias_analysis): When simplifying the reg_base_value
1503 array, simplify entries for hard registers too.
1505 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
1507 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
1510 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
1512 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
1513 block_stack before dereferencing it.
1515 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
1517 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
1519 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1521 * cplus-dem.c: Add 'extern' to prepends_underscore.
1523 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
1525 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
1526 (get_issue_rate): Delete.
1527 * pa.h (ISSUE_RATE): Define.
1529 * configure.in: Turn on haifa by default for the PA.
1530 * configure: Rebuilt.
1531 * pa.c (override_options): Accept -mschedule=7200 option.
1532 (pa_adjust_cost): No longer need to scale costs for newer
1534 * pa.h (enum processor_type): Add PROCESSOR_7200.
1535 * pa.md: Revamp scheduling parameters to work better with
1536 haifa. Add scheduling parameters for the 7200.
1538 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
1540 (schedule_block): When adjusting basic_block_{head,end}, account
1541 for movement of SCHED_GROUP_P insns too.
1543 * haifa-sched.c (debug_dependencies): Fix thinko.
1545 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
1546 (site.exp, check, check-g++, check-gcc): New targets.
1548 * haifa-sched.c: Make lots of variables static.
1550 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1552 * expr.h, real.h: Finish prototyping.
1554 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
1556 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
1557 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
1558 * reload1.c: Undo bugfix from Aug 11.
1560 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
1562 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
1563 quotes around the name.
1564 * configure: Regenerate.
1566 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
1568 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
1570 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
1572 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
1573 to sub-makes to avoid building more passes than the user might have
1574 requested on the command line.
1576 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
1578 * configure.in: Expurgate `broken_install' (install is
1581 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
1584 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
1586 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
1587 functions and declarations.
1588 (analyze_loop_iterations): Use condjump_p.
1589 (insert_bct): Likewise. Use exact_log2.
1591 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
1593 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
1594 (schedule_region): Likewise.
1595 (schedule_insns): Likewise.
1597 * PROJECTS: Update with Haifa stuff.
1599 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
1601 * version.c: Change the version string to look like:
1602 egcs-2.90.00 970814 (gcc2-970802 experimental).
1604 * loop.c (is_conditional_branch): Make definition match declaration.
1606 * gcc.c: Take out experimental snapshot warning message.
1608 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
1610 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
1611 print out the names of the notes. Print out the name of the insn
1612 that is not a note, and not an {,CALL_,JUMP_}INSN.
1614 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1616 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1617 again for the slot after we give it RTL.
1619 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
1621 * configure.in (haifa configury): Fix typo.
1622 * configure: Regenerate.
1624 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
1626 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
1628 * gcc.info*: Rebuilt.
1630 * COPYING.g77, README.g77: New files.
1631 * real.c (ereal_unto_float, ereal_unto_double): New functions.
1632 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
1633 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
1635 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
1637 * Integrate Haifa instruction scheduler.
1638 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
1639 to sched with $(SCHED_CFLAGS.
1640 * configure.in: Handle --enable-haifa.
1641 * configure: Rebuilt.
1642 * flags.h: Add new flags for haifa instruction scheduler.
1643 * genattrtab.c (expand_units): For haifa, don't subtract one
1644 when computing blockage.
1645 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
1646 (flag_schedule_speculative): Ditto.
1647 (flag_schedule_speculative_load): Ditto.
1648 (flag_schedule_speculative_load_dangerous): Ditto.
1649 (flag_schedule_reverse_before_reload): Ditto.
1650 (flag_schedule_reverse_after_reload): Ditto.
1651 (flag_branch_on_count_reg): Ditto.
1652 (f_options): Add Haifa switches.
1653 (main): Turn off some Haifa options if appropriate macro is
1654 defined. Process Haifa switches.
1655 * unroll.c (iteration_info): No longer static, since Haifa
1657 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
1658 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
1659 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
1660 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
1661 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
1662 storage for the Haifa scheduler.
1663 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
1665 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
1666 are defined, call analyze_loop_iterations and insert_bct to use
1668 (record_giv): Refine test for jumps out of loops if HAIFA is
1670 (analyze_loop_iterations): New function to identify if we can use
1672 (insert_bct): Insert countdown loop.
1673 (instrument_loop_bct): Low level code to insert countdown loop.
1674 (loop_number): Calculate UID of loop.
1675 (indirect_jump_in_function_p): Return true if an indirect jump is
1677 (is_power_of_2): Return true if value is a power of 2.
1678 (is_conditional_branch): Return true if insn is a conditional
1680 (fix_bct_param): Process -fbct-{min,max}-N switches.
1681 (check_bct_param): Return true if loop should be instrumented.
1682 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
1683 (loop_optimize): Initialize.
1684 (get_condition_for_loop): Ditto.
1685 * loop.c (strength_reduce): Inside of code that uses #ifdef
1686 HAVE_decrement_and_branch_on_count code, test it to make sure the
1688 (instrument_loop_bct): Ditto.
1689 * haifa-sched.c: New file.
1692 * Integrate regmove pass.
1693 * Makefile.in (OBJS): Add regmove.o
1694 (regmove.o): Add dependencies.
1695 * flow.c (find_use_as_address): No longer static.
1696 * rtl.h (find_use_as_address): Declare.
1697 * toplev.c (regmove_dump, flag_regmove): Define.
1698 (f_options): Add -fregmove.
1699 (regmove_dump_file, regmove_time): Define.
1700 (fatal_insn): Close the regmove dump file.
1701 (compile_file): Initialize regmove_time; open/close the regmove dump
1702 file as needed. Print regmove time as needed.
1703 (rest_of_compilation): Run regmove pass if requested, dump
1704 RTL after regmove if requested.
1705 (main): If -O2 or more, turn on regmove. Handle dump switches.
1706 * regmove.c: New file.
1708 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
1710 * Integrate tlink patch from jason@cygnus.com
1711 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
1712 (process_command): Increment n_switches for them. Don't discard
1713 their args. Validate them.
1714 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
1716 (process_command): Set include_prefixes from COMPILER_PATH.
1717 (main): Set COLLECT_GCC_OPTIONS sooner.
1718 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
1719 * tlink.c, hash.c, hash.h: New files.
1720 * Makefile.in (USE_COLLECT2): Always use collect2.
1721 (collect2): Depend on and link in hash.o and tlink.o.
1722 (tlink.o, hash.o): Add dependencies.
1724 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
1726 * Integrate alias analysis changes from jfc@mit.edu
1727 * Makefile.in (OBJS): Add alias.o
1728 (alias.o): Add dependencies.
1729 * alias.c: New file.
1730 * sched.c: Remove alias analysis code. It lives in alias.c now.
1731 (sched_analyze_2): Add new arguments to true_dependence.
1732 (schedule_insns): Always call init_alias_analysis.
1733 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
1734 mark return value from such functions as a pointer and keep track of
1735 them for alias analysis. If a return value from a function is a
1736 pointer, mark it as such.
1737 * combine.c (distribute_notes): Handle REG_NOALIAS.
1738 * cse.c (struct write_data): Delete. No longer needed.
1739 (invalidate): Don't call set_nonvarying_address_components anymore.
1740 Use true_dependence to decide if an entry should be removed from
1742 (invalidate_memory): Remove WRITES argument, simplify appropriately.
1744 (note_mem_written): Similarly for WRITE_PTR argument.
1745 (invalidate_from_clobbers): Similarly for W argument.
1746 (invalidate_for_call): Remove memory elements from the hash table.
1747 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
1748 (cse_rtx_varies_p): New function. Derived from old
1749 cse_rtx_addr_varies_p.
1750 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
1751 Don't call note_mem_written anymore. Stack pushes invalidate the stack
1752 pointer if PUSH_ROUNDING is defined. No longer need to call
1753 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
1754 (skipped_writes_memory): Remove variable.
1755 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
1756 (invalidate_skipped_block): Simplify for new alias analysis code.
1757 (cse_set_around_loop): Likewise.
1758 (cse_main): Call init_alias_analysis.
1759 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
1760 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
1761 (f_options): Add new alias checking arguments.
1762 (main): Set flag_alias_check when optimizing.
1763 * local_alloc (validate_equiv_mem_from_store): Add new arguments
1765 (memref_referenced_p): Likewise.
1766 * loop.c (NUM_STORES): Increase to 30.
1767 (prescan_loop): Only non-constant calls set unknown_address_altered.
1768 (invariant_p): Add new arguments to true_dependence.
1769 (record_giv): Initialize unrolled and shared fields.
1770 (emit_iv_add_mult): Call record_base_value as needed.
1771 * loop.h (struct induction): Add unrolled and shared fields.
1772 * unroll.c (unroll_loop): Call record_base_value as needed.
1773 (copy_loop_body): Likewise.
1774 (final_biv_value): Likewise.
1775 (final_giv_value): Likewise.
1776 (find_splittable_regs): Likewise. Only create one new pseudo
1777 if we have multiple address GIVs that were combined with the same
1778 dst_reg GIV. Note when a new register is created due to unrolling.
1779 * rtl.c (reg_note_name): Add REG_NOALIAS.
1780 * rtl.h (enum reg_note): Similarly.
1781 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
1782 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
1783 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
1784 (true_dependence, read_dependence, anti_dependence): Likewise.
1785 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
1786 (mark_user_reg, mark_reg_pointer): Likewise.
1789 * Integrate reload bugfix from Wilon which enables the PA port
1791 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
1792 OPERAND_ADDRESS when computing how many registers an insn needs.
1793 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
1795 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
1797 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
1798 in reload_reg_use_in_op_addr do not reach the end.
1799 do not reach the end.
1800 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
1801 RELOAD_FOR_OPERAND_ADDRESS.
1803 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
1805 * egcs project officially starts.