1 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
3 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
5 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
7 * configure.in: Handle --with-newlib.
8 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
10 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
12 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
14 * config/ptx4.h: Fix typo.
16 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
18 * version.c: Bump for snapshot.
20 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
22 * aclocal.m4: Substitute INSTALL.
23 * configure: Re-built.
25 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
27 * integrate.c (save_for_inline_copying): Avoid undefined pointer
29 (expand_inline_function): Likewise.
31 * dwarf2out.c (output_call_frame_info): Reinstate last change
32 using flag_debug_asm check instead of flag_verbose_asm.
34 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
36 * dwarf2out.c (output_call_frame_info): Remove last change.
38 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
40 * frame.c (__frame_state_for): Execute the FDE insns until the
41 current pc value is strictly bigger than the target pc value.
43 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
45 * regclass.c (init_reg_modes): If we can't find a mode for the
46 register, use the previous one.
48 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
50 * haifa-sched.c (print_block_visualization): Call fprintf directly,
51 don't sprintf through an alloca'ed buffer.
53 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
55 * reload.c (decompose): Always initialize val.base.
57 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
59 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
61 * dwarf2out.c (output_call_frame_info): Call app_enable and
62 app_disable to let GNU as accept the generated comments.
64 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
66 * tree.h (get_file_function_name): Add declaration.
67 * dwarf2out.c (output_call_frame_info): No need to cast
68 get_file_function_name call anymore.
69 * profile.c (toplevel): Remove get_file_function_name
71 * c-lang.c (finish_file): Ditto.
73 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
75 * Makefile.in (program_transform_name): Let autoconf substitute
78 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
80 * haifa-sched.c (schedule_block): If the first real insn in a
81 block has any special notes attached to it, remove them.
83 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
85 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
87 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
89 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
91 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
93 * Makefile.in (check-g77): New test target.
94 (CHECK-TARGETS): Add check-g77.
96 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
98 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
100 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
102 * flow.c (print_rtl_with_bb): Cast alloca return value for
105 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
107 * i386.h (RETURN_ADDR_RTX): New definition that works for
108 __builtin_return_address(0) and -fomit-frame-pointer.
110 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
113 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
115 * mips.c (function_arg): Handle passing a struct
116 containing a double in a DFmode register without the PARALLEL.
118 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
120 * pexecute.c: Use spawn if __CYGWIN32__.
122 * pexecute.c: Include "config.h" first, as per autoconf manual
123 (from Paul Eggert <eggert@twinsun.com>).
125 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
127 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
128 optimisation for f/expr.o and f/stb.o.
130 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
132 * cse.c (this_insn_cc0_mode): Initialize.
134 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
136 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
138 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
140 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
142 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
143 that pair will dual-issue on the 21164 and plus+beq won't.
144 (bne): Likewise for cmpeq+beq.
146 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
148 * except.c (find_exception_handler_labels): Correct argument to free.
150 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
152 * except.c (find_exception_handler_labels): Free LABELS when we're
155 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
157 * version.c: Bump for snapshot.
159 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
161 * flow.c (find_basic_blocks): Mark calls as potentially jumping
164 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
166 * configure.in: Substitute for "install" too.
167 * configure: Rebuilt.
169 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
171 * Makefile.in (bootstrap-lean, compare-lean): New targets.
173 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
175 * alias.c (base_alias_check): Two symbols can conflict if they
176 are accessed via AND.
177 (memrefs_conflict_p): Likewise.
179 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
180 after flushing argument registers to the stack.
182 * Makefile.in (mostlyclean): Remove .regmove files.
184 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
186 * libgcc2.c (__throw): Fix thinko.
188 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
190 * cplus-dem.c (demangle_template): Add new parameter. Handle new
191 template-function mangling.
192 (consume_count_with_underscores): New function.
193 (demangle_signature): Handle new name-mangling scheme.
195 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
197 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
200 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
202 * frame.c: Remove last change.
203 * dwarf2.h: Remove last change.
204 * tree.h: Add declarations of DWARF2 unwind info support
207 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
209 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
210 * tree.h (built_in_function): Likewise.
211 * expr.c (expand_builtin): Likewise.
212 * except.h: Likewise.
213 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
214 * libgcc2.c (copy_reg): New fn.
217 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
219 * c-typeck.c (build_binary_op): Warn about comparing signed vs
220 unsigned if -W is specified and -Wno-sign-compare is not.
221 * c-decl.c (warn_sign_compare): Initialize to -1.
222 (c_decode_option): -Wall no longer implies -Wsign-compare.
224 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
226 * frame.c: Include gansidecl.h for PROTO.
227 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
228 defined. Don't declare dwarf2out_cfi_label here.
229 * dwarf2.h: Add declarations of DWARF2 unwind info support
231 * m68k.c: Include dwarf2.h.
232 (output_function_prologue): Add dwarf2 support.
233 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
234 (INCOMING_FRAME_SP_OFFSET): Likewise.
236 * integrate.c (expand_inline_function): Make sure there is at
237 least one insn that can be used as an insertion point.
239 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
241 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
243 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
245 * version.c: Bump for snapshot.
247 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
251 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
253 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
254 (get_pc_via_rdpc): Renamed from get_pc_sp64.
255 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
257 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
259 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
260 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
262 (sparc_align_{loops,jumps,funcs}_string): Declare.
263 (sparc_align_{loops,jumps,funcs}): Declare.
264 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
265 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
266 (STACK_BIAS): Define.
267 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
269 (SPARC_SETHI_P): New macro.
270 (CONST_OK_FOR_LETTER_P): Use it.
271 (ASM_OUTPUT_ALIGN_CODE): Define.
272 (ASM_OUTPUT_LOOP_ALIGN): Define.
273 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
274 (sparc_align_{loops,jumps,funcs}): New globals.
275 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
277 (move_operand): Use SPARC_SETHI_P.
278 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
280 (arith11_double_operand): Likewise.
281 (arith10_double_operand): Likewise.
282 (finalize_pic): Finish sparc64 support.
283 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
284 64 bit constants if able.
285 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
286 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
288 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
289 (get_pc_sp32): Use for sparc64 as well.
290 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
291 (sethi_di_sp64_const): Likewise.
292 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
293 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
294 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
296 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
298 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
299 * sparc/linux.h (COMMENT_BEGIN): Likewise.
300 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
302 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
304 Add sparc64 linux support.
305 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
306 to xm_file list on 32-bit sparc-linux.
307 * sparc/xm-sp64.h: New file.
308 * sparc/linux64.h: New file.
309 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
310 Don't include xm-sparc.h.
311 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
312 * glimits.h (LONG_MAX): Handle sparc64.
314 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
316 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
317 * sparc.h (ASM_COMMENT_START): Define.
318 * sparc.c (output_function_prologue): Use it.
319 (sparc_flat_output_function_{epi,pro}logue): Likewise.
321 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
323 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
324 use sparc.h's copies.
325 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
328 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
330 * sparc.c (dwarf2out_cfi_label): Add declaration.
331 (save_regs, output_function_prologue): Remove cast for it.
332 (sparc_flat_{save_restore,output_function_prologue): Likewise.
333 ({save,restore}_regs): No longer inline.
335 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
337 * fold-const.c (make_range): Correctly handle cases of converting
338 from unsigned to signed type.
340 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
342 * fold-const.c (merge_ranges): Make sure that if one range is subset
343 of another, it will always be the second range. Correct (+,-) case to
346 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
348 * final.c (final_end_function): Also do dwarf2 thing if
349 DWARF2_DEBUGGING_INFO.
350 (final_start_function): Likewise.
352 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
354 * expmed.c (expand_divmod): If compute_mode is not the same as
355 mode, handle the case where convert_modes() causes op1 to no
356 longer be a CONST_INT.
358 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
359 note holding get_jump_flags() calculation to all JUMP_INSNs.
360 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
361 * rtl.c (reg_note_name): Add new note types.
363 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
365 * rtlanal.c (computed_jump_p): Fix typo in last change.
367 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
369 * loop.c (indirect_jump_in_function_p): Return 0
372 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
374 * rs6000/xm-rs6000.h: Fix thinko in last change.
375 * rs6000/xm-sysv4.h: Likewise.
377 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
379 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
381 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
383 * reg-stack.c (find_blocks): Fix thinko in last change.
385 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
387 * m68k.c (output_function_prologue): Add dwarf2 support.
389 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
390 INCOMING_FRAME_SP_OFFSET): New definitions.
392 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
394 * combine.c (try_combine): Use NULL_RTX instead of '0' where
395 appropriate in calls to gen_rtx().
396 * cse.c (cse_main): Likewise.
397 * emit-rtl.c (gen_label_rtx): Likewise.
398 * expr.c (init_expr_once): Likewise.
399 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
400 sched_analyze, init_rgn_data_dependences,
401 compute_block_backward_dependences): Likewise.
402 * sched.c (schedule_insns): Likewise.
403 * varasm.c (immed_double_const): Likewise.
405 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
406 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
408 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
410 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
411 (MULTILIB_DEFAULTS): Define.
412 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
413 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
414 (LIBGCC_SPEC): Likewise.
415 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
416 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
417 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
418 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
419 (EXTRA_PARTS, TAROUTOPTS): Delete.
420 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
421 (MULTILIB_OPTIONS): Define.
422 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
423 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
425 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
427 * version.c: Bump for snapshot.
429 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
431 * loop.c (loop_number): Delete function. Change all references
432 to use uid_loop_num array.
433 * loop.h (loop_number): Delete declaration.
434 * unroll.c (unroll_loop): Change "loop_number" references to
435 use uid_loop_num instead.
437 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
439 (loop_unroll_iter): Remove unused variable and all references.
440 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
441 (insert_bct): Fix minor formatting problems.
442 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
443 (loop_unroll_iter): Removed unused decl.
444 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
445 Always record the unrolling factor.
447 * cse.c (simplify_relational_operation): Set h0u just like h0s.
448 Similarly for h1u and h1s.
450 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
451 (find_basic_blocks): Use computed_jump_p to determine if a
452 particular JUMP_INSN is a computed jump.
453 * reg-stack.c (find_blocks): Use computed_jump_p to determine
454 if a particular JUMP_INSN is a computed jump.
455 * rtlanal.c (jmp_uses_reg_or_mem): New function.
456 (computed_jump_p): Likewise.
457 * rtl.h (computed_jump_p): Declare.
458 * genattrtab.c (pc_rtx): Define and initialize.
459 * loop.c (loop_optimize): Always determine if the current
460 function has a computed jump.
461 (indirect_jump_in_function_p): Use computed_jump_p to determine
462 if a particular JUMP_INSN is a computed jump.
464 * loop.c (fix_bct_param): Delete unused function.
465 (check_bct_param): Likewise.
467 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
469 * frame.c (__deregister_frame): Check properly for initialized object.
471 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
473 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
475 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
477 * jump.c (thread_jumps): check can_reverse_comparison_p before
478 threading a reversed-condition jump.
480 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
481 * haifa-sched.c (update_flow_info): Likewise.
483 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
485 * Makefile.in (BOOT_CFLAGS): Use -O2.
487 * configure.in (strtoul, bsearch): Have autoconf check for these
489 * configure, config.in: Rebuilt.
491 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
492 * mips/mips.h (alloca): Likewise.
493 * rs6000/xm-rs6000.h (alloca): Likewise.
494 * rs6000/xm-sysv4.h: Likewise.
496 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
498 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
499 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
500 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
502 * except.c (end_eh_unwinder): Subtract 1 from return address.
503 * libgcc2.c (__throw): Likewise.
504 (find_exception_handler): Don't change PC here. Compare end with >.
506 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
508 * v850.c (compute_register_save_size): Correct register
510 * v850.md (save_interrupt, return_interrupt): Correct
512 * v850/lib1funcs.asm (save_interrupt): Correct register number.
513 (return_interrupt): Use stack pointer, not element pointer.
515 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
517 * configure.in, configure: Make sure to create the stage* and include
518 symbolic links in each subdirectory.
520 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
522 * pa.md (reload_peepholes): Don't allow addresses with side
523 effects for the memory operand.
525 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
527 * libgcc2.c (find_exception_handler): Subtract one from our PC when
528 looking for a handler, to avoid hitting the beginning of the next
531 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
533 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
535 * mips/abi64.h (LONG_MAX_SPEC): Define.
536 * mips.h (LONG_MAX_SPEC): Define.
537 (CPP_SPEC): Include long_max_spec.
538 (EXTRA_SPECS): Include long_max_spec.
540 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
542 * v850.c (construct_save_jarl): Fix thinko in last change.
544 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
546 * version.c: Bump for snapshot.
548 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
550 * libgcc2.c (find_exception_handler): Not found is -1.
552 * integrate.c (expand_inline_function): Move expand_start_bindings
553 after expanding the arguments.
555 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
557 * expr.c (expand_expr): Remove previous incorrect change.
558 If target and slot has no DECL_RTL, then call mark_addressable
559 again for the slot after we give it RTL.
561 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
563 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
564 again for the slot after we give it RTL.
566 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
568 * v850.c (register_is_ok_for_epilogue,
569 pattern_is_ok_for_epilogue, construct_restore_jr,
570 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
572 * v850.h (pattern_is_ok_for_prologue,
573 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
576 * v850.md: Replace prologue and epilogue patterns with a
577 match_parallel pattern.
579 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
581 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
582 * configure.in: Use EGCS_PROG_INSTALL.
584 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
586 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
587 extern inline function.
589 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
591 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
592 (concat_loc_descriptor): New function.
593 (loc_descriptor): Call it.
594 (add_AT_location_description): Also elide the descriptor if both
595 halves of a CONCAT are pseudos.
596 (add_location_or_const_value_attribute): Recognize CONCAT too.
598 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
600 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
602 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
603 out-or-range reg_offset.
604 (output_epilog): Likewise.
606 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
608 * cse.c (simplify_relational_operation): If MODE specifies a
609 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
610 is derived from the sign bit of the low word.
612 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
614 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
616 * dwarf2.h: Add DW_CFA_GNU_args_size.
617 * frame.c (execute_cfa_insn): Likewise.
618 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
619 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
620 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
621 insn, hand it off to dwarf2out_stack_adjust.
622 (dwarf2out_begin_prologue): Initialize args_size.
623 * frame.h (struct frame_state): Add args_size.
624 * libgcc2.c (__throw): Use args_size.
625 * final.c (final_scan_insn): If we push args, hand off all insns
626 to dwarf2out_frame_debug.
627 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
629 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
630 Handle epilogue restore of SP from FP.
631 * emit-rtl.c (gen_sequence): Still generate a sequence if the
632 lone insn has RTX_FRAME_RELATED_P set.
634 * frame.c (extract_cie_info): Handle "e" augmentation.
635 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
636 absence of UNALIGNED_*_ASM_OP.
637 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
638 (output_call_frame_info): Use "e" instead of "z" for augmentation.
639 Don't emit augmentation fields length.
640 (dwarf2out_do_frame): Move outside of #ifdefs.
641 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
644 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
645 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
646 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
647 * sparc/sun4gas.h: New file.
648 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
650 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
651 __register_frame_table and __deregister_frame.
653 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
655 * except.c (find_exception_handler_labels): Use xmalloc instead of
656 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
659 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
661 * Makefile.in: Various changes to build info files
662 in the object tree rather than the source tree.
664 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
666 * fixinc.math: New file to fix math.h on some systems.
667 * configure.in (freebsd, netbsd): Use fixinc.math on these
669 * configure: Rebuilt.
671 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
673 * regmove.c (regmove_optimize): If we end up moving the
674 original insn due to lifetime overlaps, make sure to move
677 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
679 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
681 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
683 * haifa-sched.c (add_branch_dependences): Make each insn in
684 a SCHED_GROUP_P block explicitly depend on the previous insn.
686 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
688 * except.h: Prototype dwarf2 hooks.
691 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
693 * configure.in (native_prefix): Delete.
694 (mips-dec-netbsd): Don't set prefix.
695 (*linux*): Don't set prefix.
697 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
699 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
700 defined. If not defined, include <sys/varargs.h> if
701 HAVE_SYS_VARARGS_H is defined.
702 * configure.in: Test for varargs.h and sys/varargs.h.
703 * configure: Regenerate with autoconf.
704 * config.in: Regenerate with autoheader.
706 * cpplib.c (quote_string): Cast first arg of sprintf call
707 from "unsigned char *" to "char *".
708 (output_line_command): Ditto.
709 (macroexpand): Ditto.
710 (do_line): Cast atoi arg from "unsigned char *" to "char *".
712 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
714 * version.c: Bump for snapshot.
716 * Makefile.in (compare): Exit with nonzero status if there
717 are comparison failures. Note which files failed the
718 comparison test in .bad_compare.
720 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
722 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
724 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
726 * Makefile.in (LN, LN_S): New macros, use where appropriate.
727 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
728 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
729 * configure: Regenerated.
731 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
733 * loop.c (strength_reduce): Fix typo.
735 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
737 * m88k/m88k.c (struct option): Rename to struct options.
738 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
739 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
740 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
741 __DOLPHIN__ or sysV88.
743 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
745 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
748 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
750 * config.sub: Accept 'amigados' for backward compatability.
752 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
754 * Makefile.in (testsuite/site.exp): New target.
755 (check-gcc, check-g++): Depend on testsuite/site.exp.
756 Don't stop for failure.
758 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
760 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
761 if DWARF2_UNWIND_INFO.
763 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
765 Add support for exception handling using DWARF 2 frame unwind info.
766 Currently works on SPARC and MIPS, and almost on x86.
768 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
769 next_stack_level, in_reg_window): Helper fns.
770 (__throw): Implement for DWARF2_UNWIND_INFO.
772 * expr.c (expand_builtin): Handle builtins used by __throw.
773 * tree.h (enum built_in_function): Add builtins used by __throw.
774 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
775 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
776 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
777 (expand_builtin_extract_return_addr): Likewise.
778 (expand_builtin_frob_return_addr): Likewise.
779 (expand_builtin_set_return_addr_reg): Likewise.
780 (expand_builtin_eh_stub): Likewise.
781 (expand_builtin_set_eh_regs): Likewise.
782 (eh_regs): Choose two call-clobbered registers for passing back values.
784 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
785 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
786 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
787 (stmp-multilib): Likewise.
788 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
790 * except.c: #include "defaults.h".
791 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
792 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
793 (register_exception_table_p): New fn.
794 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
795 (end_eh_unwinder): Likewise.
797 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
798 call __register_frame and __deregister_frame as needed.
799 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
800 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
801 EH_FRAME_SECTION_ASM_OP.
802 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
803 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
804 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
806 * dwarf2out.c (output_call_frame_info): If no support for
807 EXCEPTION_SECTION, mark the start of the frame info with a
809 * collect2.c (frame_tables): New list.
810 (is_ctor_dtor): Recognise frame entries.
811 (scan_prog_file): Likewise.
812 (main): Pass -fno-exceptions to sub-compile. Also do collection
813 if there are any frame entries.
814 (write_c_file_stat): Call __register_frame_table and
815 __deregister_frame as needed.
816 (write_c_file_glob): Likewise.
818 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
819 Also require unaligned reloc support.
820 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
821 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
822 * sparc/sysv4.h: Not here.
824 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
825 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
826 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
828 * libgcc2.c (L_eh): Reorganize, moving code shared by different
829 EH implementations to the top.
830 (find_exception_handler): Split out. Start from 0. Compare against
832 (__find_first_exception_table_match): Use it.
833 * except.c (output_exception_table): Don't do anything if there's
834 no table. Don't output a first entry of zeroes.
835 (eh_outer_context): Adjust properly.
836 (add_eh_table_entry): Use xrealloc.
837 * toplev.c (compile_file): Just call output_exception_table.
839 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
841 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
843 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
845 * except.c (eh_outer_context): Do masking using expand_and.
847 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
849 Add port done awhile ago for the ARC cpu.
850 * arc/arc.h: New file.
851 * arc/arc.c: New file.
852 * arc/arc.md: New file.
853 * arc/initfini.c: New file.
854 * arc/lib1funcs.asm: New file.
855 * arc/t-arc: New file.
856 * arc/xm-arc.h: New file.
857 * ginclude/va-arc.h: New file.
858 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
859 * ginclude/varargs.h: Likewise.
860 * Makefile.in (USER_H): Add va-arc.h.
861 * configure.in (arc-*-elf*): Recognize.
862 * longlong.h: Add ARC support.
864 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
866 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
867 when clearing non-BLKmode data.
869 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
871 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
872 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
874 * xm-m88k.h (USG): Only define if it hasn't already been defined.
876 * Makefile.in (risky-stage1): Delete gratutious whitespace.
878 * Makefile.in (clean): Delete libgcc1-test.
880 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
882 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
884 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
887 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
889 * dwarf2out.c (output_call_frame_info): Call named_section.
891 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
893 * haifa-sched.c (print_value): Fix last change.
895 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
897 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
900 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
902 * mips.c (function_prologue): Set up the CFA when ABI_32.
904 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
905 for dwarf2 unwind info.
906 (output_function_prologue, sparc_flat_output_function_prologue): Same.
908 * final.c (final_end_function): Check dwarf2out_do_frame instead
909 of DWARF2_DEBUG for dwarf2 unwind info.
910 (final_scan_insn): Likewise.
911 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
914 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
917 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
919 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
921 * v850.h (ASM_SPEC): Pass on target processor.
922 (CPP_PREDEFINES): Only define if not already specified.
923 (TARGET_VERSION): Only define if not already specified.
924 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
926 (EXTRA_SWITCHES): Extra entries in the switches array.
927 (TARGET_DEFAULT): Set default target processor.
929 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
931 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
932 cases, add %# and %/, and add : to make them into extended asms.
934 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
936 * alias.c (init_alias_analysis): Clean up incompatible pointer
937 type warning in bzero.
938 * regmove.c (regmove_optimize): Ditto.
939 * haifa-sched.c (find_rgns): Ditto.
941 * haifa-sched.c (print_value): Clean up ptr->int cast
944 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
946 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
947 * install.texi (Configurations): Ditto.
950 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
952 * Makefile.in (sdbout.o): Depend on insn-config.h.
954 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
956 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
957 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
959 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
961 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
962 prologue insn, only the first elt is significant.
963 (output_call_frame_info): For exception handling, always use 4-byte
964 fields as specified by the dwarf2 spec.
965 Don't skip trivial FDEs.
967 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
969 * version.c: Bump for snapshot.
971 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
973 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
974 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
977 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
979 * final.c (shorten_branches): During first pass, assume worst
980 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
982 * Makefile.in (distclean): Remove various things left around
983 by running the testsuite.
985 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
987 * configure.in (out_file): Emit definition to config.status in order
988 to have a defined value for configure.lang.
989 * configure: Re-built.
991 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
993 * configure.in: Make symlink to as-new rather than as.new. Similarly
995 * configure: Rebuilt.
997 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
999 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
1001 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
1003 * sparc/sparc.md: Add ultrasparc scheduling support.
1004 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
1006 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1008 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
1009 as initial value for real_label_map.
1010 (copy_for_inline): Likewise.
1012 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1014 * sched.c (update_flow_info) When looking if to set found_split_dest
1015 or found_orig_dest, look at all parts of a PARALLEL.
1016 * haifa-sched.c (update_flow_info): Likewise.
1018 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
1020 * v850: New directory for v850 port.
1021 * v850/lib1funcs.asm: New file.
1022 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
1023 * ginclude/va-v850.h: New file.
1024 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
1025 * configure.in (mn10200-*-*): New target.
1026 * configure: Rebuilt.
1027 * config.sub: Handle v850-elf.
1028 * Makefile.in (USER_H): Add va-mn10200.h.
1029 * invoke.texi: Document v850 stuff.
1031 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
1033 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
1034 has integer TYPE_{MAX,MIN}_VALUE before using them.
1036 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
1037 __HPUX_ASM__ versions.
1039 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
1041 * install.sh: Delete duplicate install script.
1043 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
1045 * reg-stack.c (subst_stack_regs): Pop the stack register for a
1046 computed goto which sets the same stack register.
1048 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
1049 destination are both on the regstack.
1050 (subst_stack_regs_pat): Put the destination at the top of the regstack.
1052 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
1054 * mips.md (nonlocal_goto_receiver): Define.
1056 * profile.c (output_arc_profiler): Check next_insert_after for non
1057 NULL before deferencing it.
1059 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
1061 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
1063 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
1065 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
1067 * toplev.c (rest_of_compilation): For passes starting with
1068 flow_analysis, use print_rtl_with_bb instead of print_rtl.
1070 * print-rtl.c (print_rtl_single): Print a single rtl value to a
1073 * flow.c (print_rtl_with_bb): Print which insns start and end
1074 basic blocks. For the start of a basic block, also print the live
1077 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
1079 * toplev.c (main): Change #elif to #else/#ifdef
1081 * tlink.c: Include ctype.h.
1082 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
1084 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
1086 * bitmap.c: Conditionally include stdlib.h.
1087 (free): Provide a declaration if NEED_DECLARATION_FREE.
1089 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
1091 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
1093 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
1095 * profile.c (output_arc_profiler): Verify next_insert_after is an
1096 INSN before and after skipping a stack pop.
1098 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1100 * final.c (shorten_branches): Don't count the lengths of deleted
1103 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
1105 * version.c: Bump for snapshot.
1107 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
1109 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
1110 two bitmaps ANDed together.
1111 (bitmap_print): Declare.
1113 * bitmap.c (function_obstack): Don't declare any more.
1114 (bitmap_obstack): Obstack for allocating links from.
1115 (bitmap_obstack_init): New static to say whether to initialize
1117 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
1118 (bitmap_release_memory): Free all memory allocated from
1121 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
1122 EXECUTE_IF_AND_IN_BITMAP.
1124 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
1126 * alias.c (true_dependence): Address with AND can alias scalars.
1127 (anti_dependence, output_dependence): Likewise.
1129 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
1131 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
1133 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
1134 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
1135 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
1136 definitions. Use -qrtems instead of -mrtems.
1138 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
1140 * xm-sco5.h (sys_siglist): Define.
1141 (SYS_SIGLIST_DECLARED): Likewise.
1143 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
1145 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
1147 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
1149 * except.c (eh_outer_context): Expand masking operation using
1152 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
1154 * alpha.md (floatdisf2-1): New pattern.
1156 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
1158 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
1159 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
1160 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
1161 * gcc.texi: Note that if you define sys_siglist that you should
1162 also define SYS_SIGLIST_DECLARED.
1164 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
1165 are relative to the next instruction, not the current instruction.
1167 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
1169 * local-alloc.c (contains_replace_regs): New function.
1170 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
1171 verify that there is no existing REG_EQUIV note, and add a call to
1172 contains_place_regs.
1174 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1176 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
1177 (STARTFILE_SPEC): Always use crtbegin.o%s
1178 (ENDFILE_SPEC): Always use crtend.o%s.
1180 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
1182 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
1184 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
1185 SFmode for 64 bit hosts.
1187 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
1189 * fixincludes: Permits spaces between # and define. Discard C++
1190 comments in sys/pci.h on HP/UX 10.20.
1192 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
1194 * version.c: Bump for snapshot.
1196 * pa.c (restore_unscaled_index_insn_codes): New function.
1197 (record_unscaled_index_insn_codes): Likewise.
1198 (output_function_prologue): Call restore_unscaled_index_insn_codes.
1199 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
1200 (pa_reorg): Call record_unscaled_index_insn_codes.
1202 * haifa-sched.c (move_insn): Handle notes correctly for insns
1203 with SCHED_GROUP_P set.
1205 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1207 * alpha/xm-linux.h (USE_BFD): Undef before define.
1209 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
1211 * cse.c (cse_insn): Don't record BLKmode values.
1213 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
1215 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
1217 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
1219 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
1220 * collect2.c (sys_errlist): Likewise.
1221 * cpplib.c (sys_errlist): Likewise.
1222 * gcc.c (sys_errlist): Likewise.
1223 * protoize (sys_errlist): Likewise.
1224 * configure.in: Check for strerror.
1225 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
1226 * xm-gnu.h (HAVE_STRERROR): Likewise.
1227 * xm-linux.h (HAVE_STRERROR): Likewise.
1228 * xm-netbsd.h (HAVE_STRERROR): Likewise.
1229 * xm-bsd386.h (HAVE_STRERROR): Likewise.
1230 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
1231 * xm-dos.h (HAVE_STRERROR): Likewise.
1232 * xm-mingw32.h (HAVE_STRERROR): Likewise.
1233 * xm-pa.h (HAVE_STRERROR): Likewise.
1234 * xm-papro.h (HAVE_STRERROR): Likewise.
1235 * xm-sysv4.h (HAVE_STRERROR): Likewise.
1236 * configure, config.in: Rebuilt.
1238 * Makefile.in: Add several missing "else true" clauses.
1240 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
1241 * mips-tfile.c: Likewise.
1242 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
1243 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
1244 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
1245 * configure.in: Check for sys_siglist declaration.
1246 * configure, config.in: Rebuilt.
1248 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
1250 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
1251 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
1252 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
1253 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
1254 * rs6000/sysv4.h (extra_subtarget_switches): Added new
1255 macro EXTRA_SUBTARGET_SWITCHES.
1256 * configure.in (sh*-*-rtems*): New target.
1257 * sh/rtems.h: New file.
1258 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
1259 * configure: Rebuilt.
1261 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
1263 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
1265 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
1267 * rs6000.md: Make DF fused-add operations pay attention to
1270 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
1272 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
1274 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
1276 * pa.md (reload_peepholes): Make sure operand is a REG before
1277 examining REGNO. Allow general registers too.
1279 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
1281 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
1283 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
1285 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
1286 to reallocate abbrev_die_table.
1288 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
1290 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
1292 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1294 * Makefile.in (config.status): Depend on version.c
1296 * expr.h (insn_gen_function): Reenable prototype.
1298 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
1301 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
1303 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
1305 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
1307 * version.c: Bump for latest snapshot.
1309 * bc-optab.c: Conditionally include stdlib.h.
1310 (free): Provide a declaration if NEED_DECLARATION_FREE.
1311 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
1312 * rtl.h (free): Remove declaration.
1313 * tree.h (free): Remvoe declaration.
1315 * configure: Rebuilt.
1317 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
1319 * flags.h (flag_move_all_movables): Declare.
1320 (flag_reduce_all_givs): Likewise.
1321 * loop.c (move_movables): Handle flag_move_all_movables.
1322 (strength_reduce): Handle flag_reduce_all_givs.
1323 * toplev.c (flag_move_all_movables): Define.
1324 (flag_reduce_all_givs): Likewise.
1325 (f_options): Add -fmove-all-movables and -freduce-all-givs.
1326 * invoke.texi: Document new options, including alias stuff that
1327 wasn't included last time.
1329 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
1331 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
1334 * t-vxworks68: Ditto.
1335 * t-vxworks960: Ditto.
1338 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
1340 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
1341 if not already defined, and USE_C_ALLOCA not defined.
1343 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
1345 * config.guess: Replace with script that uses ../config.guess.
1347 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
1348 if USE_GNULIBC_1 is not defined.
1350 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
1352 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
1353 * config.guess: Recognize alpha-linux-gnulibc1.
1354 * configure.in (alpha-*-linux-gnulibc1): New target.
1355 (alpha-*-linux-gnu*): Don't build crtbegin/end.
1357 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
1359 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
1362 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
1364 * loop.c (combine_movables): Earlier insns don't match later ones.
1366 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1368 * config/linux.h (CC1_SPEC): Define it only if not defined.
1370 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
1373 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
1374 USE_GNULIBC_1 is not defined.
1376 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
1378 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
1379 as 1 if USE_GNULIBC_1 is not defined.
1381 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
1383 * reorg.c (dbr_schedule): Allow current_function_return_rtx
1384 to be something other than a REG.
1385 * function.c (expand_function_end): Fix current_function_return_rtx
1388 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
1389 * x-netbsd: Likewise
1390 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
1391 (INSTALL_HEADERS): Delete.
1392 * x-dguxbcs: Likewise.
1393 * x-hp3bsd44: Likewise
1396 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1398 * i386.md (pop): pop increments the stack pointer.
1399 (prologue_set_stack_ptr): New pattern.
1400 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
1403 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
1405 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
1406 address where an offsettable address is required.
1408 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
1410 * loop.c (check_final_value): Don't miss a biv increment in a
1413 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
1415 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
1416 TYPE_DECL_IS_STUB instead of DECL_NAME.
1418 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1420 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
1422 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
1424 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
1426 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
1428 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
1429 (find_post_sched_live): Likewise.
1431 * haifa-sched.c (schedule_block): Remove old code to get arguments
1432 from hard regs into pseudos early.
1434 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
1436 * version.c: Bump for new snapshot.
1438 * local-alloc.c (update_equiv_regs): All the target to reject
1439 promotion of some REG_EQUAL to REG_EQUIV notes.
1440 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
1442 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
1445 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
1446 store of the argument registers.
1448 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
1450 * fold-const.c (multiple_of_p): New function.
1451 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
1453 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
1455 * expr.h (insn_gen_function): Temporarily remove prototype.
1457 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
1459 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
1460 filenames. Use sed to extract base filename for install.
1462 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
1464 * unroll.c (find_splittable_givs): Only share if two givs have the
1465 same add and multiply values.
1467 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
1469 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
1470 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
1472 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
1474 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
1475 around branch tables.
1476 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
1477 and .end_brtab directives if TARGET_GAS.
1479 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
1481 * alias.c (true_dependence): Pass x_addr not x to varies.
1483 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
1484 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
1485 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
1487 * config.in, configure: Regenerate.
1489 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
1491 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
1493 (record_set): Handle LO_SUM like PLUS.
1494 (init_alias_analysis): When following chains of base addresses,
1495 do not stop on reaching a hard register.
1497 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
1499 * version.c: Bump for new snapshot.
1501 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
1503 * alpha.h (ARCH_ASM_FILE_START): Define.
1504 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
1505 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
1507 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
1509 * Makefile.in (install-common): Put gcov comment at start of line.
1511 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
1513 * alias.c (init_alias_analysis): When simplifying the reg_base_value
1514 array, simplify entries for hard registers too.
1516 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
1518 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
1521 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
1523 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
1524 block_stack before dereferencing it.
1526 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
1528 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
1530 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1532 * cplus-dem.c: Add 'extern' to prepends_underscore.
1534 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
1536 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
1537 (get_issue_rate): Delete.
1538 * pa.h (ISSUE_RATE): Define.
1540 * configure.in: Turn on haifa by default for the PA.
1541 * configure: Rebuilt.
1542 * pa.c (override_options): Accept -mschedule=7200 option.
1543 (pa_adjust_cost): No longer need to scale costs for newer
1545 * pa.h (enum processor_type): Add PROCESSOR_7200.
1546 * pa.md: Revamp scheduling parameters to work better with
1547 haifa. Add scheduling parameters for the 7200.
1549 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
1551 (schedule_block): When adjusting basic_block_{head,end}, account
1552 for movement of SCHED_GROUP_P insns too.
1554 * haifa-sched.c (debug_dependencies): Fix thinko.
1556 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
1557 (site.exp, check, check-g++, check-gcc): New targets.
1559 * haifa-sched.c: Make lots of variables static.
1561 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1563 * expr.h, real.h: Finish prototyping.
1565 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
1567 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
1568 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
1569 * reload1.c: Undo bugfix from Aug 11.
1571 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
1573 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
1574 quotes around the name.
1575 * configure: Regenerate.
1577 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
1579 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
1581 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
1583 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
1584 to sub-makes to avoid building more passes than the user might have
1585 requested on the command line.
1587 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
1589 * configure.in: Expurgate `broken_install' (install is
1592 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
1595 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
1597 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
1598 functions and declarations.
1599 (analyze_loop_iterations): Use condjump_p.
1600 (insert_bct): Likewise. Use exact_log2.
1602 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
1604 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
1605 (schedule_region): Likewise.
1606 (schedule_insns): Likewise.
1608 * PROJECTS: Update with Haifa stuff.
1610 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
1612 * version.c: Change the version string to look like:
1613 egcs-2.90.00 970814 (gcc2-970802 experimental).
1615 * loop.c (is_conditional_branch): Make definition match declaration.
1617 * gcc.c: Take out experimental snapshot warning message.
1619 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
1621 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
1622 print out the names of the notes. Print out the name of the insn
1623 that is not a note, and not an {,CALL_,JUMP_}INSN.
1625 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1627 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1628 again for the slot after we give it RTL.
1630 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
1632 * configure.in (haifa configury): Fix typo.
1633 * configure: Regenerate.
1635 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
1637 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
1639 * gcc.info*: Rebuilt.
1641 * COPYING.g77, README.g77: New files.
1642 * real.c (ereal_unto_float, ereal_unto_double): New functions.
1643 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
1644 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
1646 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
1648 * Integrate Haifa instruction scheduler.
1649 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
1650 to sched with $(SCHED_CFLAGS.
1651 * configure.in: Handle --enable-haifa.
1652 * configure: Rebuilt.
1653 * flags.h: Add new flags for haifa instruction scheduler.
1654 * genattrtab.c (expand_units): For haifa, don't subtract one
1655 when computing blockage.
1656 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
1657 (flag_schedule_speculative): Ditto.
1658 (flag_schedule_speculative_load): Ditto.
1659 (flag_schedule_speculative_load_dangerous): Ditto.
1660 (flag_schedule_reverse_before_reload): Ditto.
1661 (flag_schedule_reverse_after_reload): Ditto.
1662 (flag_branch_on_count_reg): Ditto.
1663 (f_options): Add Haifa switches.
1664 (main): Turn off some Haifa options if appropriate macro is
1665 defined. Process Haifa switches.
1666 * unroll.c (iteration_info): No longer static, since Haifa
1668 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
1669 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
1670 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
1671 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
1672 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
1673 storage for the Haifa scheduler.
1674 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
1676 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
1677 are defined, call analyze_loop_iterations and insert_bct to use
1679 (record_giv): Refine test for jumps out of loops if HAIFA is
1681 (analyze_loop_iterations): New function to identify if we can use
1683 (insert_bct): Insert countdown loop.
1684 (instrument_loop_bct): Low level code to insert countdown loop.
1685 (loop_number): Calculate UID of loop.
1686 (indirect_jump_in_function_p): Return true if an indirect jump is
1688 (is_power_of_2): Return true if value is a power of 2.
1689 (is_conditional_branch): Return true if insn is a conditional
1691 (fix_bct_param): Process -fbct-{min,max}-N switches.
1692 (check_bct_param): Return true if loop should be instrumented.
1693 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
1694 (loop_optimize): Initialize.
1695 (get_condition_for_loop): Ditto.
1696 * loop.c (strength_reduce): Inside of code that uses #ifdef
1697 HAVE_decrement_and_branch_on_count code, test it to make sure the
1699 (instrument_loop_bct): Ditto.
1700 * haifa-sched.c: New file.
1703 * Integrate regmove pass.
1704 * Makefile.in (OBJS): Add regmove.o
1705 (regmove.o): Add dependencies.
1706 * flow.c (find_use_as_address): No longer static.
1707 * rtl.h (find_use_as_address): Declare.
1708 * toplev.c (regmove_dump, flag_regmove): Define.
1709 (f_options): Add -fregmove.
1710 (regmove_dump_file, regmove_time): Define.
1711 (fatal_insn): Close the regmove dump file.
1712 (compile_file): Initialize regmove_time; open/close the regmove dump
1713 file as needed. Print regmove time as needed.
1714 (rest_of_compilation): Run regmove pass if requested, dump
1715 RTL after regmove if requested.
1716 (main): If -O2 or more, turn on regmove. Handle dump switches.
1717 * regmove.c: New file.
1719 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
1721 * Integrate tlink patch from jason@cygnus.com
1722 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
1723 (process_command): Increment n_switches for them. Don't discard
1724 their args. Validate them.
1725 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
1727 (process_command): Set include_prefixes from COMPILER_PATH.
1728 (main): Set COLLECT_GCC_OPTIONS sooner.
1729 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
1730 * tlink.c, hash.c, hash.h: New files.
1731 * Makefile.in (USE_COLLECT2): Always use collect2.
1732 (collect2): Depend on and link in hash.o and tlink.o.
1733 (tlink.o, hash.o): Add dependencies.
1735 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
1737 * Integrate alias analysis changes from jfc@mit.edu
1738 * Makefile.in (OBJS): Add alias.o
1739 (alias.o): Add dependencies.
1740 * alias.c: New file.
1741 * sched.c: Remove alias analysis code. It lives in alias.c now.
1742 (sched_analyze_2): Add new arguments to true_dependence.
1743 (schedule_insns): Always call init_alias_analysis.
1744 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
1745 mark return value from such functions as a pointer and keep track of
1746 them for alias analysis. If a return value from a function is a
1747 pointer, mark it as such.
1748 * combine.c (distribute_notes): Handle REG_NOALIAS.
1749 * cse.c (struct write_data): Delete. No longer needed.
1750 (invalidate): Don't call set_nonvarying_address_components anymore.
1751 Use true_dependence to decide if an entry should be removed from
1753 (invalidate_memory): Remove WRITES argument, simplify appropriately.
1755 (note_mem_written): Similarly for WRITE_PTR argument.
1756 (invalidate_from_clobbers): Similarly for W argument.
1757 (invalidate_for_call): Remove memory elements from the hash table.
1758 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
1759 (cse_rtx_varies_p): New function. Derived from old
1760 cse_rtx_addr_varies_p.
1761 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
1762 Don't call note_mem_written anymore. Stack pushes invalidate the stack
1763 pointer if PUSH_ROUNDING is defined. No longer need to call
1764 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
1765 (skipped_writes_memory): Remove variable.
1766 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
1767 (invalidate_skipped_block): Simplify for new alias analysis code.
1768 (cse_set_around_loop): Likewise.
1769 (cse_main): Call init_alias_analysis.
1770 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
1771 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
1772 (f_options): Add new alias checking arguments.
1773 (main): Set flag_alias_check when optimizing.
1774 * local_alloc (validate_equiv_mem_from_store): Add new arguments
1776 (memref_referenced_p): Likewise.
1777 * loop.c (NUM_STORES): Increase to 30.
1778 (prescan_loop): Only non-constant calls set unknown_address_altered.
1779 (invariant_p): Add new arguments to true_dependence.
1780 (record_giv): Initialize unrolled and shared fields.
1781 (emit_iv_add_mult): Call record_base_value as needed.
1782 * loop.h (struct induction): Add unrolled and shared fields.
1783 * unroll.c (unroll_loop): Call record_base_value as needed.
1784 (copy_loop_body): Likewise.
1785 (final_biv_value): Likewise.
1786 (final_giv_value): Likewise.
1787 (find_splittable_regs): Likewise. Only create one new pseudo
1788 if we have multiple address GIVs that were combined with the same
1789 dst_reg GIV. Note when a new register is created due to unrolling.
1790 * rtl.c (reg_note_name): Add REG_NOALIAS.
1791 * rtl.h (enum reg_note): Similarly.
1792 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
1793 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
1794 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
1795 (true_dependence, read_dependence, anti_dependence): Likewise.
1796 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
1797 (mark_user_reg, mark_reg_pointer): Likewise.
1800 * Integrate reload bugfix from Wilon which enables the PA port
1802 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
1803 OPERAND_ADDRESS when computing how many registers an insn needs.
1804 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
1806 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
1808 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
1809 in reload_reg_use_in_op_addr do not reach the end.
1810 do not reach the end.
1811 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
1812 RELOAD_FOR_OPERAND_ADDRESS.
1814 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
1816 * egcs project officially starts.