1 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
5 Thu Nov 27 09:32:39 1997 Richard Earnshaw (rearnsha@arm.com)
7 * arm.md (movsfcc): If not TARGET_HARD_FLOAT, ensure operand[3]
10 Wed Nov 26 13:04:46 1997 Michael Meissner <meissner@cygnus.com>
12 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
13 (print_operand): Use SMALL_DATA_REG for the register involved in
14 small data relocations.
15 (print_operand_address): Ditto.
17 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
18 -dynamic linker is not used.
20 * rs6000.md (call insns): For local calls, use @local suffix under
21 System V. Don't use @plt under Solaris.
23 * rs6000.c (output_function_profiler): Put label address in r0, and
24 store LR in 4(sp) for System V/eabi.
26 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
27 byte boundary, and maintain stack backchain.
29 (patches originally from Geoffrey Keating)
30 * rs6000.c (function_arg): Excess floating point arguments don't
31 go into GPR registers after exhausting FP registers under the
33 (function_arg_partial_nregs): Ditto.
35 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
38 Wed Nov 26 13:04:46 1997 Jason Merrill <jason@yorick.cygnus.com>
40 * toplev.c (main): Complain about -gdwarfn.
42 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
44 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
47 * libgcc2.c (__throw): Initialize HANDLER.
49 * dwarfout.c (output_type): If finalizing, write out nested types
50 of types we've already written.
52 Tue Nov 25 10:00:42 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
54 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
57 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
59 * sh/elf.h (HANDLE_SYSV_PRAGMA): Undefine.
61 * sh/elf.h: (LINK_SPEC): Use shlelf.
62 (USER_LABEL_PREFIX, LOCAL_LABEL_PREFIX, ASM_FILE_START): Redefine.
64 * sh.h: dwarf patches from Fred Fish.
66 * va-sh.h (__va_arg_sh1): Define.
68 SH3E doesn't use any integer registers for subsequent arguments
69 once a non-float value was passed in the stack.
70 * sh.h (PASS_IN_REG_P): Fix SH3E case.
72 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
74 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
76 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
78 * configure.in (alphaev56*-*-*): Disable MASK_BYTE_OPS until
79 ev56 support works correctly.
81 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
83 Sun Nov 23 13:01:48 1997 Jeffrey A Law (law@cygnus.com)
85 * version.c: Bump for snapshot.
87 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
89 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
90 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
91 gas and not using the new HP assembler.
93 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
95 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
96 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
98 * i386.h (TARGET_CMOV): Disable conditional moves for this release.
100 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
102 * except.h: Add outer_context_label_stack.
103 * except.c: Likewise.
104 (expand_start_all_catch): Push the outer_context for the try block
105 onto outer_context_label_stack.
106 (expand_end_all_catch): Use it and pop it.
108 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
110 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
112 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
114 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
116 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
118 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
119 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
121 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
123 * except.c (output_exception_table): Don't bother with
126 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
128 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
129 is an in/out operand.
130 (zero extended variants of stwm/stwm patterns): Similarly.
132 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
134 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
136 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
138 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
139 (output_call_frame_info): Emit a \n after using it.
141 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
143 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
145 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
147 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
148 (ASM_OUTPUT_DWARF_VALUE4): New macro.
149 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
151 (output_call_frame_info): Do not output forward label differences
152 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
153 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
155 Tue Nov 18 22:50:24 1997 Jim Wilson <wilson@cygnus.com>
157 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
158 large_int, emit two insns instead of one splitable insn.
159 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
160 from cfa_temp_value, use cfa_offset. Abort if cfa_reg is not SP.
162 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
164 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
166 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
168 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
170 (cse_end_of_basic_block): Similarly.
172 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
174 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
175 (SELECT_RTX_SECTION): Define.
176 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
178 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
180 * Makefile.in (compare, compare-lean): Define $stage for each
182 (gnucompare, gnucompare-lean): Likewise.
184 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
186 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
188 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
189 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
191 Fri Nov 14 08:01:25 1997 Jeffrey A Law (law@cygnus.com)
193 * version.c: Bump for snapshot.
195 1997-11-14 Paul Eggert <eggert@twinsun.com>
197 Fix some confusion with IEEE minus zero.
199 * real.h (REAL_VALUES_IDENTICAL): New macro.
201 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
202 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
204 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
205 same tree structure as 0.0.
207 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
208 macro instead of doing it by hand.
210 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
212 * expr.c (expand_builtin_setjmp): Set
213 current_function_has_nonlocal_label.
214 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
215 call-saved registers across calls.
217 * alpha.md (exception_receiver): Remove.
218 (nonlocal_goto_receiver_osf): New
219 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
220 (nonlocal_goto_receiver): New, select _osf or _vms.
222 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
223 keep them from being propogated to the object file.
224 (alpha_write_linkage): Likewise.
225 * alpha.md (call_vms): Likewise.
226 (call_value_vms): Likewise.
227 (unnamed osf call insns): Likewise.
229 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
230 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
232 * alpha.c (call_operand): Any reg is valid for WinNT.
233 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
234 (anon nt calls): Add 'R' alternative.
235 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
236 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
238 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
240 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
241 xplus1 when xplus0 is not a register.
243 Thu Nov 13 11:51:32 1997 David Edelsohn <edelsohn@mhpcc.edu>
245 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
246 swap instruction order.
248 Thu Nov 13 11:47:55 1997 Michael Meissner <meissner@cygnus.com>
250 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
251 pick apart floating point values, instead of using CONST_DOUBLE_LOW
252 and CONST_DOUBLE_HIGH.
254 * rs6000.md (define_splits for DF constants): Use the appropriate
255 REAL_VALUE_* interface to pick apart DF floating point constants in
256 a machine independent fashion.
258 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
260 * flow.c (find_basic_blocks): During marking phase, if we encounter
261 an insn with a REG_LABEL note, make the target block live and
262 create an edge from the insn to the target block. Do not make
263 edges from all blocks to the target block.
265 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
267 * configure.in: Tweak NCR entries.
268 * configure: Rebuilt.
270 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
272 * except.c: Do not include "assert.h".
273 (save_eh_status): Turn asserts into conditional aborts.
274 (restore_eh_status, scan_region): Likewise.
275 * dwarfout.c: Do not include "assert.h".
276 (bit_offset_attribute): Turn asserts into conditional aborts.
277 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
278 (output_inlined_structure_type_die): Likewise.
279 (output_inlined_union_type_die): Likewise
280 (output_tagged_type_instantiation): Likewise.
281 (dwarfout_file_scope_decl): Likewise.
282 * dwarf2out.c: Do not include "assert.h"
283 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
284 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
285 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
286 (add_bit_size_attribute, scope_die_for): Likewise.
287 (output_pending_types_for_scope): Likewise.
288 (get_inlined_enumeration_type_die): Likewise.
289 (get_inlined_structure_type_die): Likewise.
290 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
291 (gen_tagged_type_instantiation_die): Likewise.
293 * flow.c (find_basic_blocks): Refine further to get a more correct
294 cfg, especially in the presense of exception handling, computed
295 gotos, and other non-trivial cases. Call abort if an inaccuracy
296 is detected in the cfg.
298 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
300 * stmt.c (expand_decl_cleanup_no_eh): New fn.
302 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
304 Sun Oct 19 09:07:38 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
306 * stmt.c (using_eh_for_cleanups_p): New variable.
307 (using_eh_for_cleanups): New function.
308 (expand_decl_cleanup): Don't call expand_eh_region_start_tree
309 unless using EH for cleanups.
311 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
313 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
314 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
316 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
318 * fixinc.svr4 (__STDC__): Add another case.
320 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
322 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
323 addresses in the epilogue delay slot.
325 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
327 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
328 in generated `specs' file.
330 Fri Nov 7 16:23:20 1997 Jim Wilson (wilson@cygnus.com)
332 * flags.h (flag_rerun_loop_opt): Declare.
333 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
334 * toplev.c (flag_rerum_loop_opt): Delete static.
336 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
338 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
341 Wed Nov 5 01:42:12 1997 Jeffrey A Law (law@cygnus.com)
343 * version.c: Bump for snapshot.
345 * alias.c (find_base_value): Only return the known base value for
348 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
350 * fixincludes: Fix "hypot" prototype in NeXT math.h.
352 * Makefile.in (USE_ALLOCA): Always include alloca.o.
353 (USE_HOST_ALLOCA): Likewise.
355 * alias.c (find_base_value): When copying arguments, return the
356 tenative value for a hard register.
358 Tue Nov 4 14:12:30 1997 Richard Henderson (rth@cygnus.com)
359 Jim Wilson (wilson@cygnus.com)
361 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
362 for SUBREG, just fall through.
364 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
366 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
368 * combine.c (try_combine): When setting elim_i1, check if newi2pat
371 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
372 sets i2dest. When calling distribute_notes for i3dest_killed, pass
375 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
377 * configure.in (sco5): Use cpio to install header files.
379 Sun Nov 2 23:30:31 1997 Manfred Hollstein <manfred@s-direktnet.de>
381 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
383 * configure: Rebuild.
385 Sun Nov 2 22:53:16 1997 Richard Earnshaw (rearnsha@arm.com)
387 * arm.c (load_multiple_sequence): Support SUBREG of MEM.
388 (store_multiple_sequence): Likewise.
390 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
392 * i386/sco5.h: enable -gstabs once again.
394 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
396 * arm.c (output_move_double): Allocate 3 entries in otherops array.
398 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
400 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
401 notes for sjlj exceptions too.
402 (expand_eh_region_end): Similarly for EH_REGION_END notes.
403 (exception_optimize): Optimize EH regions for sjlj exceptions too.
404 * final.c (final_scan_insn): Don't output labels for EH REGION
405 notes if doing sjlj exceptions.
407 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
409 * alias.c (init_alias_analysis): Handle -fno-alias-check when
410 optimizing correctly.
412 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
413 or set current_function_calls_setjmp anymore.
415 * flow.c (find_basic_blocks): If we delete the label for an
416 exception handler, remove it from the EH label list and remove
417 the EH_BEGIN/EH_END notes for that EH region.
419 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
421 * flow.c (find_basic_blocks): Generate correct flow control
422 information when exception handling notes are present.
424 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
426 * dwarf2out.c (output_call_frame_info): Fix length argument
428 (output_die, output_pubnames, output_line_info): Likewise.
430 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
432 * version.c: Bump for snapshot.
434 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
435 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
436 flag_debug_asm is on.
437 (output_die, output_pubnames, output_line_info): Likewise.
439 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
440 and static_chain_rtx into the potential base values array if
443 * alias.c (new_reg_base_value): New array of potential base values.
444 (unique_id): Now file scoped static.
445 (find_base_value, case REG): Return the value in reg_base_value
446 array for the REG if it exists. Else, return the value from
447 new_reg_base_value if copying args and REG is a hard register.
448 (find_base_value, case PLUS): If either operand of the PLUS is
449 a REG, try to get its base value. Handle base + index and
451 (record_set): Use new_reg_base_value instead of reg_base_value.
452 (init_alias_analysis): Allocate space for new_reg_base_value too.
453 Rework code to iterate over the insns propagating base value
454 information until nothing changes.
456 * global.c (global_alloc): Free the conflict matrix after
459 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
461 * libgcc2.c (L_eh): Define __eh_pc.
462 Replace __eh_type with generic pointer __eh_info.
464 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
466 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
467 use copy_to_reg if address is not a general_operand.
469 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
471 * profile.c (output_func_start_profiler): Clear flag_inline_functions
472 for the duration of the call to rest_of_compilation.
474 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
476 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
478 (sparc*-*-*): Recognize --with-cpu=v9.
479 * sparc/elf.h: New file.
480 * sparc/t-elf: New file.
482 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
484 * mn10300.c (const_8bit_operand): New function.
485 (mask_ok_for_mem_btst): New funtion.
486 * mn10300.md (btst patterns with mem operands): Use new functions
487 to avoid creating btst instructions with invalid operands.
489 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
491 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
492 are running on PowerPC Linux.
494 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
496 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
497 if not previously defined.
499 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
501 * function.c (assign_parms): Correct mode of stack_parm if
502 entry_parm underwent a mode conversion.
504 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
506 * global.c (global_alloc): Use xmalloc instead of alloca for
507 CONFLICTS, since max_allocno * allocno_row_words alone can be more
508 than 2.5Mb sometimes.
510 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
512 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
513 DEST for the spill, adjust mode of SRC to compensate.
515 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
517 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
518 since any_memory_operand() allows pseudos during reload.
519 (reload_inhi, reload_outqi, reload_outhi): Likewise.
521 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
523 * m68k.md (btst patterns): Add 5200 support.
525 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
527 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
528 optimizations, look inside dividend to determine if the expression
529 can be simplified by using EXACT_DIV_EXPR.
531 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
534 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
536 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
538 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
540 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
542 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
545 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
547 * alpha.md (movqi, movhi): Make sure new insns created during reload
548 won't need reloading themselves.
549 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
551 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
553 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
555 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
557 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
558 Patch from Klaus Kaempf <kkaempf@progis.de>.
560 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
562 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
563 to an element in a constant string.
565 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
567 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
568 bit PC-relative offset. The exception range table pointer is now in
570 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
571 (count_fdes, add_fdes, get_cie): Adjust.
572 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
575 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
577 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
579 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
580 like stack_pointer_rtx.
582 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
584 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
585 targets using "$@" to provide support for similar but not identical
586 targets without having to duplicate code.
587 (bootstrap4): New goal.
589 * Makefile.in (compare, compare-lean, compare3): Combined to one
590 ruleset determining actions to be performed via $@.
591 (compare4, compare4-lean): New targets.
592 (gnucompare, gnucompare3): Combined to one ruleset determining
593 actions to be performed via $@. Also, note which files failed
594 the comparison test in .bad_compare.
595 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
597 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
599 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
600 if the dividend is a multiple of the divisor.
602 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
604 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
606 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
609 * alias.c (true_dependence): Fix typo.
611 * toplev.c (flag_rerun_loop_opt): New variable.
612 (f_options): Handle -frerun-loop-opt.
613 (rest_of_compilation): If -frerun-loop-opt, then run the loop
615 (main): Enable -frerun-loop-opt by default for -O2 or greater.
617 * loop.c (simplify_giv_expr): Adding two invariants results
620 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
622 * expr.c (get_inner_reference): Remove the array bias after
623 converting the index to Pmode.
625 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
627 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
628 (TARGET_MULT_BUG): Define.
629 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
630 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
632 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
634 * mn10200.c (indirect_memory_operand): Delete unused function.
635 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
636 * mn10200.md (bset, bclr insns): Handle output in a reg too.
638 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
640 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
641 the callee's ldgp, we must do it ourselves, and we use the jsr tag
642 for more than scheduling.
644 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
646 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
648 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
650 * mn10300.c (symbolic_operand, legitimize_address): New functions.
651 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
652 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
654 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
656 * version.c: Bump for snapshot.
658 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
660 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
663 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
665 * toplev.c (flag_exceptions): Default value is 2.
666 (compile_file): If flag_exceptions still has the value 2, then
669 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
670 (rs6000_save_machine_status): Save pic_offset_table_rtx.
671 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
673 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
676 * rs6000.md (*movsi_got_internal_mem): New pattern.
677 (*movsi_got_internal_mem splitter): New define_split.
679 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
681 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
683 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
685 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
686 only need to save LR.
688 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
690 * mn10300.md (movqi, movhi): Avoid using address registers as
691 destinations unless absolutely necessary.
693 * mn10200.c (expand_prologue): Fix typo.
695 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
697 * mn10200.md (neghi2): Provide an alternative which works if
698 the input and output register are the same.
700 * mn10300.c (print_operand): Handle 'S'.
701 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
702 shift amount in last alternative
704 * mn10300.c (expand_epilogue): Rework to handle register restores
705 in "ret" and "retf" instructions correctly.
707 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
709 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
710 extzv for memory operands.
712 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
713 redundant conditional moves to single operand.
715 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
717 * v850.h: Move define of __v850__ from CPP_PREDEFINES
720 * xm-v850.h: Use __v850 rather than __v850__ to
723 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
725 * mips/mips.c (compute_frame_size): Not a leaf function if
728 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
730 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
732 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
734 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
735 (DEFAULT_ARCH32_P): New macro.
736 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
737 (enum cmodel): Declare.
738 (sparc_cmodel_string,sparc_cmodel): Declare.
739 (SPARC_DEFAULT_CMODEL): Provide default.
740 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
741 (TARGET_FULLANY): Deleted.
742 (TARGET_CM_MEDMID): New macro.
743 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
744 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
745 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
747 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
748 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
749 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
750 (ASM_SPEC): Add %(asm_arch).
751 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
752 Rename asm_default to asm_cpu_default.
753 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
754 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
755 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
756 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
757 (MASK_INT64,MASK_LONG64): Delete.
758 (MASK_ARCH64): Renamed to MASK_64BIT.
759 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
760 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
761 (TARGET_SWITCHES): Always provide 64 bit options.
762 (ARCH64_SWITCHES): Delete.
763 (TARGET_OPTIONS): New option -mcmodel=.
764 (INT_TYPE_SIZE): Always 32.
765 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
766 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
767 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
768 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
769 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
771 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
772 * sparc/linux.h: Likewise.
773 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
774 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
775 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
776 (SPARC_DEFAULT_CMODEL): Define.
777 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
778 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
779 (LONG_DOUBLE_TYPE_SIZE): Define.
780 (ASM_SPEC): Add %(asm_arch).
781 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
782 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
783 (TARGET_CPU_DEFAULT): Add ultrasparc case.
784 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
785 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
786 (SPARC_DEFAULT_CMODEL): Define.
787 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
788 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
789 MASK_LONG64, MASK_MEDANY.
790 (SPARC_DEFAULT_CMODEL): Define.
791 (CPP_PREDEFINES): Delete.
792 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
793 (ASM_SPEC): Add %(asm_arch).
794 (LONG_DOUBLE_TYPE_SIZE): Define.
795 (DWARF2_DEBUGGING_INFO): Define.
796 * sparc/splet.h (CPP_SPEC): Delete.
797 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
798 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
799 (BLOCK_PROFILER): Likewise.
800 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
801 (sparc_override_options): Handle code model selection.
802 (sparc_init_expanders): Renamed from sparc64_init_expanders.
803 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
804 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
805 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
806 (sethi_di_fullany): Delete.
808 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
809 Jeff Law <law@cygnus.com>
810 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
812 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
813 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
814 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
815 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
816 * alpha/alpha.md (arg_home): Likewise.
818 * alpha/alpha.c (vmskrunch): Delete
819 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
820 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
821 truncate to 64 characters.
823 * make-l2.com: Support openVMS/Alpha.
825 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
827 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
829 * longlong.h (count_leading_zeros): Add missing casts to USItype.
831 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
833 * i386/bsd386.h (ASM_COMMENT_START): Define.
835 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
837 * tree.c (restore_tree_status): Also free up temporary storage
838 when we finish a toplevel function.
839 (dump_tree_statistics): Print stats for backend obstacks.
841 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
843 * expr.c (use_group_regs): Don't call use_reg for MEMs.
845 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
847 * libgcc2.c (__throw): Don't copy the return address.
848 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
850 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
851 * toplev.c (main): Initialize exceptions_via_longjmp.
853 * tree.c: Add extra_inline_obstacks.
854 (save_tree_status): Use it.
855 (restore_tree_status): If this is a toplevel inline obstack and we
856 didn't want to save anything on it, recycle it.
857 (print_inline_obstack_statistics): New fn.
858 * function.c (pop_function_context_from): Pass context to
860 * obstack.h (obstack_empty_p): New macro.
862 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
864 * i386/freebsd.h (ASM_COMMENT_START): Fix.
866 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
868 * v850.c (ep_memory_offset): New function.
869 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
871 * v850.h (CONST_OK_FOR_*): Add and correct comments.
872 (CONSTANT_ADDRESS_P): Add comment.
873 (EXTRA_CONSTRAINT): Define 'U'.
874 * v850.md: Add comments on bit field instructions.
875 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
876 (lshrsi3): Use N not J constraint.
878 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
880 * v850.c (reg_or_0_operand): Call register_operand.
881 (reg_or_int5_operand): Likewise.
882 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
883 (TARGET_SWITCHES): Add "big-switch".
884 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
885 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
886 (CASE_DROPS_THROUGH): Comment out.
887 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
888 * v850.md (cmpsi): Delete compare mode.
889 (casesi): New pattern.
891 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
892 * v850.md (ashlsi3): Use SImode not QImode for shift count.
895 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
896 unreachable switch statement after 'b' support. Remove "b" from
897 strings for 'b' support.
898 * v850.md (branch_normal, branch_invert): Change %b to b%b.
900 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
902 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
903 empty line if @inhibit_libc@ is empty.
905 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
907 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
908 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
909 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
910 (DWARF2_UNWIND_INFO): Let this track object file format.
911 (EXTRA_SECTIONS): Add in_eh.
912 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
913 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
915 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
917 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
918 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
920 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
921 (output_double_int): Output DI mode values correctly when
922 HOST_BITS_PER_WIDE_INT is 64.
923 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
924 fmovd so it works if a quad float ends up in one of the upper 32
926 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
927 necessary for PIC support on sparc64.
929 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
931 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
932 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
933 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
934 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
935 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
936 (SPARC_FP_ARG_FIRST): New macro.
937 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
938 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
939 (NPARM_REGS): There are 32 fp argument registers now.
940 (FUNCTION_ARG_REGNO_P): Likewise.
941 (FIRST_PARM_OFFSET): Update to new v9 abi.
942 (REG_PARM_STACK_SPACE): Define for arch64.
943 (enum sparc_arg_class): Delete.
944 (sparc_arg_count,sparc_n_named_args): Delete.
945 (struct sparc_args): Redefine and use for arch32 as well as arch64.
946 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
947 (FUNCTION_ARG_ADVANCE): Rewrite.
948 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
949 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
950 (FUNCTION_ARG_CALLEE_COPIES): Delete.
951 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
952 (STRICT_ARGUMENT_NAMING): Define.
953 (doublemove_string): Declare.
954 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
955 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
956 (doublemove_string): New function.
957 (output_move_quad): Clean up some of the arch64 support.
958 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
959 Don't add 8 bytes of reserved space if arch64.
960 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
961 (init_cumulative_args): New function.
962 (function_arg_slotno): New static function.
963 (function_arg,function_arg_partial_nregs): New functions.
964 (function_arg_{pass_by_reference,advance}): New functions.
965 (function_arg_padding): New function.
966 * ginclude/va-sparc.h: Rewrite v9 support.
968 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
970 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
971 for hard regs to determine base and index registers.
973 * reload.c (debug_reload_to_stream): New function. Specify stream
974 into which to write debug info.
975 (debug_reload): Modify to call debug_reload_to_stream with stderr.
977 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
979 * combine.c (can_combine_p): Don't combine with an asm whose
980 output is a hard register.
982 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
984 * c-decl.c (start_struct): Ensure that structs with forward
985 declarations are in fact packed when -fpack-struct is given.
987 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
988 we are packing a structure. This allows a structure with only
989 bytes to be aligned on a byte boundary and have no padding on a
992 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
994 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
996 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
998 * alpha.c (alpha_return_addr_rtx): New variable.
999 (alpha_save_machine_status): New; save it.
1000 (alpha_restore_machine_status): New; restore it.
1001 (alpha_init_expanders): New; clear it.
1002 (alpha_return_addr): New; set it.
1003 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
1004 is overly conservative, so search the insns explicitly.
1005 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
1006 (alpha_sa_size [VMS && !VMS]): Likewise.
1007 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
1008 (INIT_EXPANDERS): New definition.
1010 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
1011 (output_prolog [!VMS]): Use them.
1013 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
1014 (alpha_does_function_need_gp): ... a new function. Refine the
1015 CALL_INSN test to just TYPE_JSR.
1016 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
1018 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
1020 * version.c: Bump for snapshot.
1022 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1024 * pa.c (move_operand): Respect -mdisable-indexing.
1025 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
1027 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
1029 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
1031 (umulsidi3,umulsi3_highpart): Ditto.
1032 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
1034 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
1036 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
1037 (alpha_handle_trap_shadows): ... a new function. Handle the entire
1038 function in one go. Emit RTL for trapb, instead of printf directly.
1039 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
1040 (trap_pending): Kill global variable.
1041 (output_epilog): Don't call final_prescan_insn.
1042 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
1043 * alpha.h (FINAL_PRESCAN_INSN): Remove.
1044 (MACHINE_DEPENENT_REORG): Define.
1045 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
1048 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
1050 Tune Haifa scheduler for Alpha:
1051 * alpha.h (ISSUE_RATE): Define.
1052 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
1053 EV4 adjustments to EV5.
1054 * alpha.md: Remove all scaling from function unit delays. Rework
1055 EV5 function units to match the CPU.
1056 (umuldi3_highpart): EV5 added the IMULH insn class.
1058 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
1060 * pa.c (following_call): Fail if the CALL_INSN is an indirect
1063 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
1065 * cplus-dem.c (demangle_signature): Don't look for return types on
1066 constructors. Handle member template constructors.
1068 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
1070 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
1071 * tree.h: Declare them.
1073 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
1075 * configure.in: Handle --with-newlib.
1076 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
1078 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
1080 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
1082 * config/ptx4.h: Fix typo.
1084 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
1086 * version.c: Bump for snapshot.
1088 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
1090 * aclocal.m4: Substitute INSTALL.
1091 * configure: Re-built.
1093 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
1095 * integrate.c (save_for_inline_copying): Avoid undefined pointer
1097 (expand_inline_function): Likewise.
1099 * dwarf2out.c (output_call_frame_info): Reinstate last change
1100 using flag_debug_asm check instead of flag_verbose_asm.
1102 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
1104 * dwarf2out.c (output_call_frame_info): Remove last change.
1106 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1108 * frame.c (__frame_state_for): Execute the FDE insns until the
1109 current pc value is strictly bigger than the target pc value.
1111 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
1113 * regclass.c (init_reg_modes): If we can't find a mode for the
1114 register, use the previous one.
1116 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
1118 * haifa-sched.c (print_block_visualization): Call fprintf directly,
1119 don't sprintf through an alloca'ed buffer.
1121 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
1123 * reload.c (decompose): Always initialize val.base.
1125 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1127 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
1128 instead of aborting.
1129 * dwarf2out.c (output_call_frame_info): Call app_enable and
1130 app_disable to let GNU as accept the generated comments.
1132 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
1134 * tree.h (get_file_function_name): Add declaration.
1135 * dwarf2out.c (output_call_frame_info): No need to cast
1136 get_file_function_name call anymore.
1137 * profile.c (toplevel): Remove get_file_function_name
1139 * c-lang.c (finish_file): Ditto.
1141 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
1143 * Makefile.in (program_transform_name): Let autoconf substitute
1146 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
1148 * haifa-sched.c (schedule_block): If the first real insn in a
1149 block has any special notes attached to it, remove them.
1151 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
1153 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
1155 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1157 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
1159 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
1161 * Makefile.in (check-g77): New test target.
1162 (CHECK-TARGETS): Add check-g77.
1164 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1166 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
1168 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
1170 * flow.c (print_rtl_with_bb): Cast alloca return value for
1173 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
1175 * i386.h (RETURN_ADDR_RTX): New definition that works for
1176 __builtin_return_address(0) and -fomit-frame-pointer.
1178 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
1180 Bring over from FSF.
1181 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
1183 * mips.c (function_arg): Handle passing a struct
1184 containing a double in a DFmode register without the PARALLEL.
1186 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
1188 * pexecute.c: Use spawn if __CYGWIN32__.
1190 * pexecute.c: Include "config.h" first, as per autoconf manual
1191 (from Paul Eggert <eggert@twinsun.com>).
1193 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1195 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
1196 optimisation for f/expr.o and f/stb.o.
1198 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
1200 * cse.c (this_insn_cc0_mode): Initialize.
1202 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
1204 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
1206 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
1208 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
1210 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
1211 that pair will dual-issue on the 21164 and plus+beq won't.
1212 (bne): Likewise for cmpeq+beq.
1214 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
1216 * except.c (find_exception_handler_labels): Correct argument to free.
1218 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
1220 * except.c (find_exception_handler_labels): Free LABELS when we're
1223 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
1225 * version.c: Bump for snapshot.
1227 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1229 * flow.c (find_basic_blocks): Mark calls as potentially jumping
1232 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
1234 * configure.in: Substitute for "install" too.
1235 * configure: Rebuilt.
1237 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
1239 * Makefile.in (bootstrap-lean, compare-lean): New targets.
1241 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
1243 * alias.c (base_alias_check): Two symbols can conflict if they
1244 are accessed via AND.
1245 (memrefs_conflict_p): Likewise.
1247 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
1248 after flushing argument registers to the stack.
1250 * Makefile.in (mostlyclean): Remove .regmove files.
1252 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1254 * libgcc2.c (__throw): Fix thinko.
1256 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
1258 * cplus-dem.c (demangle_template): Add new parameter. Handle new
1259 template-function mangling.
1260 (consume_count_with_underscores): New function.
1261 (demangle_signature): Handle new name-mangling scheme.
1263 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1265 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
1268 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
1270 * frame.c: Remove last change.
1271 * dwarf2.h: Remove last change.
1272 * tree.h: Add declarations of DWARF2 unwind info support
1275 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1277 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
1278 * tree.h (built_in_function): Likewise.
1279 * expr.c (expand_builtin): Likewise.
1280 * except.h: Likewise.
1281 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
1282 * libgcc2.c (copy_reg): New fn.
1285 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
1287 * c-typeck.c (build_binary_op): Warn about comparing signed vs
1288 unsigned if -W is specified and -Wno-sign-compare is not.
1289 * c-decl.c (warn_sign_compare): Initialize to -1.
1290 (c_decode_option): -Wall no longer implies -Wsign-compare.
1292 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1294 * frame.c: Include gansidecl.h for PROTO.
1295 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
1296 defined. Don't declare dwarf2out_cfi_label here.
1297 * dwarf2.h: Add declarations of DWARF2 unwind info support
1299 * m68k.c: Include dwarf2.h.
1300 (output_function_prologue): Add dwarf2 support.
1301 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
1302 (INCOMING_FRAME_SP_OFFSET): Likewise.
1304 * integrate.c (expand_inline_function): Make sure there is at
1305 least one insn that can be used as an insertion point.
1307 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1309 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
1311 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
1313 * version.c: Bump for snapshot.
1315 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
1317 Bring over from FSF.
1319 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
1321 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
1322 (get_pc_via_rdpc): Renamed from get_pc_sp64.
1323 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
1325 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
1327 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
1328 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
1330 (sparc_align_{loops,jumps,funcs}_string): Declare.
1331 (sparc_align_{loops,jumps,funcs}): Declare.
1332 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
1333 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
1334 (STACK_BIAS): Define.
1335 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
1337 (SPARC_SETHI_P): New macro.
1338 (CONST_OK_FOR_LETTER_P): Use it.
1339 (ASM_OUTPUT_ALIGN_CODE): Define.
1340 (ASM_OUTPUT_LOOP_ALIGN): Define.
1341 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
1342 (sparc_align_{loops,jumps,funcs}): New globals.
1343 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
1345 (move_operand): Use SPARC_SETHI_P.
1346 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
1348 (arith11_double_operand): Likewise.
1349 (arith10_double_operand): Likewise.
1350 (finalize_pic): Finish sparc64 support.
1351 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
1352 64 bit constants if able.
1353 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
1354 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
1356 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
1357 (get_pc_sp32): Use for sparc64 as well.
1358 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
1359 (sethi_di_sp64_const): Likewise.
1360 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
1361 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
1362 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
1364 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
1366 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
1367 * sparc/linux.h (COMMENT_BEGIN): Likewise.
1368 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
1370 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
1372 Add sparc64 linux support.
1373 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
1374 to xm_file list on 32-bit sparc-linux.
1375 * sparc/xm-sp64.h: New file.
1376 * sparc/linux64.h: New file.
1377 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
1378 Don't include xm-sparc.h.
1379 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
1380 * glimits.h (LONG_MAX): Handle sparc64.
1382 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
1384 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
1385 * sparc.h (ASM_COMMENT_START): Define.
1386 * sparc.c (output_function_prologue): Use it.
1387 (sparc_flat_output_function_{epi,pro}logue): Likewise.
1389 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
1391 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
1392 use sparc.h's copies.
1393 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
1396 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1398 * sparc.c (dwarf2out_cfi_label): Add declaration.
1399 (save_regs, output_function_prologue): Remove cast for it.
1400 (sparc_flat_{save_restore,output_function_prologue): Likewise.
1401 ({save,restore}_regs): No longer inline.
1403 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1405 * fold-const.c (make_range): Correctly handle cases of converting
1406 from unsigned to signed type.
1408 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1410 * fold-const.c (merge_ranges): Make sure that if one range is subset
1411 of another, it will always be the second range. Correct (+,-) case to
1414 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1416 * final.c (final_end_function): Also do dwarf2 thing if
1417 DWARF2_DEBUGGING_INFO.
1418 (final_start_function): Likewise.
1420 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
1422 * expmed.c (expand_divmod): If compute_mode is not the same as
1423 mode, handle the case where convert_modes() causes op1 to no
1424 longer be a CONST_INT.
1426 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
1427 note holding get_jump_flags() calculation to all JUMP_INSNs.
1428 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
1429 * rtl.c (reg_note_name): Add new note types.
1431 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
1433 * rtlanal.c (computed_jump_p): Fix typo in last change.
1435 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1437 * loop.c (indirect_jump_in_function_p): Return 0
1440 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
1442 * rs6000/xm-rs6000.h: Fix thinko in last change.
1443 * rs6000/xm-sysv4.h: Likewise.
1445 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
1447 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
1449 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
1451 * reg-stack.c (find_blocks): Fix thinko in last change.
1453 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1455 * m68k.c (output_function_prologue): Add dwarf2 support.
1457 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
1458 INCOMING_FRAME_SP_OFFSET): New definitions.
1460 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
1462 * combine.c (try_combine): Use NULL_RTX instead of '0' where
1463 appropriate in calls to gen_rtx().
1464 * cse.c (cse_main): Likewise.
1465 * emit-rtl.c (gen_label_rtx): Likewise.
1466 * expr.c (init_expr_once): Likewise.
1467 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
1468 sched_analyze, init_rgn_data_dependences,
1469 compute_block_backward_dependences): Likewise.
1470 * sched.c (schedule_insns): Likewise.
1471 * varasm.c (immed_double_const): Likewise.
1473 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
1474 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
1476 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
1478 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
1479 (MULTILIB_DEFAULTS): Define.
1480 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
1481 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
1482 (LIBGCC_SPEC): Likewise.
1483 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
1484 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
1485 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
1486 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
1487 (EXTRA_PARTS, TAROUTOPTS): Delete.
1488 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
1489 (MULTILIB_OPTIONS): Define.
1490 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
1491 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
1493 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
1495 * version.c: Bump for snapshot.
1497 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
1499 * loop.c (loop_number): Delete function. Change all references
1500 to use uid_loop_num array.
1501 * loop.h (loop_number): Delete declaration.
1502 * unroll.c (unroll_loop): Change "loop_number" references to
1503 use uid_loop_num instead.
1505 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
1507 (loop_unroll_iter): Remove unused variable and all references.
1508 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
1509 (insert_bct): Fix minor formatting problems.
1510 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
1511 (loop_unroll_iter): Removed unused decl.
1512 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
1513 Always record the unrolling factor.
1515 * cse.c (simplify_relational_operation): Set h0u just like h0s.
1516 Similarly for h1u and h1s.
1518 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
1519 (find_basic_blocks): Use computed_jump_p to determine if a
1520 particular JUMP_INSN is a computed jump.
1521 * reg-stack.c (find_blocks): Use computed_jump_p to determine
1522 if a particular JUMP_INSN is a computed jump.
1523 * rtlanal.c (jmp_uses_reg_or_mem): New function.
1524 (computed_jump_p): Likewise.
1525 * rtl.h (computed_jump_p): Declare.
1526 * genattrtab.c (pc_rtx): Define and initialize.
1527 * loop.c (loop_optimize): Always determine if the current
1528 function has a computed jump.
1529 (indirect_jump_in_function_p): Use computed_jump_p to determine
1530 if a particular JUMP_INSN is a computed jump.
1532 * loop.c (fix_bct_param): Delete unused function.
1533 (check_bct_param): Likewise.
1535 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1537 * frame.c (__deregister_frame): Check properly for initialized object.
1539 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1541 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
1543 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1545 * jump.c (thread_jumps): check can_reverse_comparison_p before
1546 threading a reversed-condition jump.
1548 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
1549 * haifa-sched.c (update_flow_info): Likewise.
1551 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
1553 * Makefile.in (BOOT_CFLAGS): Use -O2.
1555 * configure.in (strtoul, bsearch): Have autoconf check for these
1557 * configure, config.in: Rebuilt.
1559 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
1560 * mips/mips.h (alloca): Likewise.
1561 * rs6000/xm-rs6000.h (alloca): Likewise.
1562 * rs6000/xm-sysv4.h: Likewise.
1564 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
1566 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
1567 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
1568 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
1570 * except.c (end_eh_unwinder): Subtract 1 from return address.
1571 * libgcc2.c (__throw): Likewise.
1572 (find_exception_handler): Don't change PC here. Compare end with >.
1574 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
1576 * v850.c (compute_register_save_size): Correct register
1578 * v850.md (save_interrupt, return_interrupt): Correct
1580 * v850/lib1funcs.asm (save_interrupt): Correct register number.
1581 (return_interrupt): Use stack pointer, not element pointer.
1583 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
1585 * configure.in, configure: Make sure to create the stage* and include
1586 symbolic links in each subdirectory.
1588 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
1590 * pa.md (reload_peepholes): Don't allow addresses with side
1591 effects for the memory operand.
1593 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1595 * libgcc2.c (find_exception_handler): Subtract one from our PC when
1596 looking for a handler, to avoid hitting the beginning of the next
1599 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
1601 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
1603 * mips/abi64.h (LONG_MAX_SPEC): Define.
1604 * mips.h (LONG_MAX_SPEC): Define.
1605 (CPP_SPEC): Include long_max_spec.
1606 (EXTRA_SPECS): Include long_max_spec.
1608 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
1610 * v850.c (construct_save_jarl): Fix thinko in last change.
1612 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
1614 * version.c: Bump for snapshot.
1616 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1618 * libgcc2.c (find_exception_handler): Not found is -1.
1620 * integrate.c (expand_inline_function): Move expand_start_bindings
1621 after expanding the arguments.
1623 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
1625 * expr.c (expand_expr): Remove previous incorrect change.
1626 If target and slot has no DECL_RTL, then call mark_addressable
1627 again for the slot after we give it RTL.
1629 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
1631 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1632 again for the slot after we give it RTL.
1634 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
1636 * v850.c (register_is_ok_for_epilogue,
1637 pattern_is_ok_for_epilogue, construct_restore_jr,
1638 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
1640 * v850.h (pattern_is_ok_for_prologue,
1641 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
1644 * v850.md: Replace prologue and epilogue patterns with a
1645 match_parallel pattern.
1647 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
1649 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
1650 * configure.in: Use EGCS_PROG_INSTALL.
1652 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
1654 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
1655 extern inline function.
1657 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
1659 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
1660 (concat_loc_descriptor): New function.
1661 (loc_descriptor): Call it.
1662 (add_AT_location_description): Also elide the descriptor if both
1663 halves of a CONCAT are pseudos.
1664 (add_location_or_const_value_attribute): Recognize CONCAT too.
1666 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
1668 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
1670 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
1671 out-or-range reg_offset.
1672 (output_epilog): Likewise.
1674 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
1676 * cse.c (simplify_relational_operation): If MODE specifies a
1677 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
1678 is derived from the sign bit of the low word.
1680 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1682 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
1684 * dwarf2.h: Add DW_CFA_GNU_args_size.
1685 * frame.c (execute_cfa_insn): Likewise.
1686 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
1687 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
1688 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
1689 insn, hand it off to dwarf2out_stack_adjust.
1690 (dwarf2out_begin_prologue): Initialize args_size.
1691 * frame.h (struct frame_state): Add args_size.
1692 * libgcc2.c (__throw): Use args_size.
1693 * final.c (final_scan_insn): If we push args, hand off all insns
1694 to dwarf2out_frame_debug.
1695 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
1697 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
1698 Handle epilogue restore of SP from FP.
1699 * emit-rtl.c (gen_sequence): Still generate a sequence if the
1700 lone insn has RTX_FRAME_RELATED_P set.
1702 * frame.c (extract_cie_info): Handle "e" augmentation.
1703 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
1704 absence of UNALIGNED_*_ASM_OP.
1705 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
1706 (output_call_frame_info): Use "e" instead of "z" for augmentation.
1707 Don't emit augmentation fields length.
1708 (dwarf2out_do_frame): Move outside of #ifdefs.
1709 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
1712 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
1713 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
1714 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
1715 * sparc/sun4gas.h: New file.
1716 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
1718 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
1719 __register_frame_table and __deregister_frame.
1721 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
1723 * except.c (find_exception_handler_labels): Use xmalloc instead of
1724 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
1727 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
1729 * Makefile.in: Various changes to build info files
1730 in the object tree rather than the source tree.
1732 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
1734 * fixinc.math: New file to fix math.h on some systems.
1735 * configure.in (freebsd, netbsd): Use fixinc.math on these
1737 * configure: Rebuilt.
1739 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
1741 * regmove.c (regmove_optimize): If we end up moving the
1742 original insn due to lifetime overlaps, make sure to move
1745 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
1747 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
1749 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
1751 * haifa-sched.c (add_branch_dependences): Make each insn in
1752 a SCHED_GROUP_P block explicitly depend on the previous insn.
1754 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1756 * except.h: Prototype dwarf2 hooks.
1759 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
1761 * configure.in (native_prefix): Delete.
1762 (mips-dec-netbsd): Don't set prefix.
1763 (*linux*): Don't set prefix.
1765 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
1767 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
1768 defined. If not defined, include <sys/varargs.h> if
1769 HAVE_SYS_VARARGS_H is defined.
1770 * configure.in: Test for varargs.h and sys/varargs.h.
1771 * configure: Regenerate with autoconf.
1772 * config.in: Regenerate with autoheader.
1774 * cpplib.c (quote_string): Cast first arg of sprintf call
1775 from "unsigned char *" to "char *".
1776 (output_line_command): Ditto.
1777 (macroexpand): Ditto.
1778 (do_line): Cast atoi arg from "unsigned char *" to "char *".
1780 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
1782 * version.c: Bump for snapshot.
1784 * Makefile.in (compare): Exit with nonzero status if there
1785 are comparison failures. Note which files failed the
1786 comparison test in .bad_compare.
1788 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1790 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
1792 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
1794 * Makefile.in (LN, LN_S): New macros, use where appropriate.
1795 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
1796 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
1797 * configure: Regenerated.
1799 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
1801 * loop.c (strength_reduce): Fix typo.
1803 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
1805 * m88k/m88k.c (struct option): Rename to struct options.
1806 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
1807 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
1808 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
1809 __DOLPHIN__ or sysV88.
1811 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
1813 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
1816 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
1818 * config.sub: Accept 'amigados' for backward compatability.
1820 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1822 * Makefile.in (testsuite/site.exp): New target.
1823 (check-gcc, check-g++): Depend on testsuite/site.exp.
1824 Don't stop for failure.
1826 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
1828 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
1829 if DWARF2_UNWIND_INFO.
1831 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
1833 Add support for exception handling using DWARF 2 frame unwind info.
1834 Currently works on SPARC and MIPS, and almost on x86.
1836 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
1837 next_stack_level, in_reg_window): Helper fns.
1838 (__throw): Implement for DWARF2_UNWIND_INFO.
1840 * expr.c (expand_builtin): Handle builtins used by __throw.
1841 * tree.h (enum built_in_function): Add builtins used by __throw.
1842 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
1843 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
1844 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
1845 (expand_builtin_extract_return_addr): Likewise.
1846 (expand_builtin_frob_return_addr): Likewise.
1847 (expand_builtin_set_return_addr_reg): Likewise.
1848 (expand_builtin_eh_stub): Likewise.
1849 (expand_builtin_set_eh_regs): Likewise.
1850 (eh_regs): Choose two call-clobbered registers for passing back values.
1852 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
1853 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
1854 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
1855 (stmp-multilib): Likewise.
1856 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
1858 * except.c: #include "defaults.h".
1859 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
1860 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
1861 (register_exception_table_p): New fn.
1862 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
1863 (end_eh_unwinder): Likewise.
1865 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
1866 call __register_frame and __deregister_frame as needed.
1867 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
1868 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
1869 EH_FRAME_SECTION_ASM_OP.
1870 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
1871 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
1872 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
1874 * dwarf2out.c (output_call_frame_info): If no support for
1875 EXCEPTION_SECTION, mark the start of the frame info with a
1877 * collect2.c (frame_tables): New list.
1878 (is_ctor_dtor): Recognise frame entries.
1879 (scan_prog_file): Likewise.
1880 (main): Pass -fno-exceptions to sub-compile. Also do collection
1881 if there are any frame entries.
1882 (write_c_file_stat): Call __register_frame_table and
1883 __deregister_frame as needed.
1884 (write_c_file_glob): Likewise.
1886 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
1887 Also require unaligned reloc support.
1888 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1889 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
1890 * sparc/sysv4.h: Not here.
1892 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
1893 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
1894 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
1896 * libgcc2.c (L_eh): Reorganize, moving code shared by different
1897 EH implementations to the top.
1898 (find_exception_handler): Split out. Start from 0. Compare against
1900 (__find_first_exception_table_match): Use it.
1901 * except.c (output_exception_table): Don't do anything if there's
1902 no table. Don't output a first entry of zeroes.
1903 (eh_outer_context): Adjust properly.
1904 (add_eh_table_entry): Use xrealloc.
1905 * toplev.c (compile_file): Just call output_exception_table.
1907 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
1909 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
1911 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
1913 * except.c (eh_outer_context): Do masking using expand_and.
1915 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
1917 Add port done awhile ago for the ARC cpu.
1918 * arc/arc.h: New file.
1919 * arc/arc.c: New file.
1920 * arc/arc.md: New file.
1921 * arc/initfini.c: New file.
1922 * arc/lib1funcs.asm: New file.
1923 * arc/t-arc: New file.
1924 * arc/xm-arc.h: New file.
1925 * ginclude/va-arc.h: New file.
1926 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
1927 * ginclude/varargs.h: Likewise.
1928 * Makefile.in (USER_H): Add va-arc.h.
1929 * configure.in (arc-*-elf*): Recognize.
1930 * longlong.h: Add ARC support.
1932 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
1934 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
1935 when clearing non-BLKmode data.
1937 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
1939 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
1940 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
1942 * xm-m88k.h (USG): Only define if it hasn't already been defined.
1944 * Makefile.in (risky-stage1): Delete gratutious whitespace.
1946 * Makefile.in (clean): Delete libgcc1-test.
1948 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
1950 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
1952 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
1955 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1957 * dwarf2out.c (output_call_frame_info): Call named_section.
1959 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
1961 * haifa-sched.c (print_value): Fix last change.
1963 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
1965 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
1968 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1970 * mips.c (function_prologue): Set up the CFA when ABI_32.
1972 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
1973 for dwarf2 unwind info.
1974 (output_function_prologue, sparc_flat_output_function_prologue): Same.
1976 * final.c (final_end_function): Check dwarf2out_do_frame instead
1977 of DWARF2_DEBUG for dwarf2 unwind info.
1978 (final_scan_insn): Likewise.
1979 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
1982 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
1985 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
1987 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
1989 * v850.h (ASM_SPEC): Pass on target processor.
1990 (CPP_PREDEFINES): Only define if not already specified.
1991 (TARGET_VERSION): Only define if not already specified.
1992 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
1994 (EXTRA_SWITCHES): Extra entries in the switches array.
1995 (TARGET_DEFAULT): Set default target processor.
1997 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
1999 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
2000 cases, add %# and %/, and add : to make them into extended asms.
2002 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
2004 * alias.c (init_alias_analysis): Clean up incompatible pointer
2005 type warning in bzero.
2006 * regmove.c (regmove_optimize): Ditto.
2007 * haifa-sched.c (find_rgns): Ditto.
2009 * haifa-sched.c (print_value): Clean up ptr->int cast
2012 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
2014 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
2015 * install.texi (Configurations): Ditto.
2016 * config.sub: Ditto.
2018 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
2020 * Makefile.in (sdbout.o): Depend on insn-config.h.
2022 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
2024 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
2025 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
2027 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
2029 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
2030 prologue insn, only the first elt is significant.
2031 (output_call_frame_info): For exception handling, always use 4-byte
2032 fields as specified by the dwarf2 spec.
2033 Don't skip trivial FDEs.
2035 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
2037 * version.c: Bump for snapshot.
2039 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
2041 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
2042 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
2045 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
2047 * final.c (shorten_branches): During first pass, assume worst
2048 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
2050 * Makefile.in (distclean): Remove various things left around
2051 by running the testsuite.
2053 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
2055 * configure.in (out_file): Emit definition to config.status in order
2056 to have a defined value for configure.lang.
2057 * configure: Re-built.
2059 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
2061 * configure.in: Make symlink to as-new rather than as.new. Similarly
2063 * configure: Rebuilt.
2065 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
2067 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
2069 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
2071 * sparc/sparc.md: Add ultrasparc scheduling support.
2072 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
2074 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2076 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
2077 as initial value for real_label_map.
2078 (copy_for_inline): Likewise.
2080 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2082 * sched.c (update_flow_info) When looking if to set found_split_dest
2083 or found_orig_dest, look at all parts of a PARALLEL.
2084 * haifa-sched.c (update_flow_info): Likewise.
2086 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
2088 * v850: New directory for v850 port.
2089 * v850/lib1funcs.asm: New file.
2090 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
2091 * ginclude/va-v850.h: New file.
2092 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
2093 * configure.in (mn10200-*-*): New target.
2094 * configure: Rebuilt.
2095 * config.sub: Handle v850-elf.
2096 * Makefile.in (USER_H): Add va-mn10200.h.
2097 * invoke.texi: Document v850 stuff.
2099 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
2101 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
2102 has integer TYPE_{MAX,MIN}_VALUE before using them.
2104 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
2105 __HPUX_ASM__ versions.
2107 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
2109 * install.sh: Delete duplicate install script.
2111 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
2113 * reg-stack.c (subst_stack_regs): Pop the stack register for a
2114 computed goto which sets the same stack register.
2116 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
2117 destination are both on the regstack.
2118 (subst_stack_regs_pat): Put the destination at the top of the regstack.
2120 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
2122 * mips.md (nonlocal_goto_receiver): Define.
2124 * profile.c (output_arc_profiler): Check next_insert_after for non
2125 NULL before deferencing it.
2127 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
2129 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
2131 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
2133 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
2135 * toplev.c (rest_of_compilation): For passes starting with
2136 flow_analysis, use print_rtl_with_bb instead of print_rtl.
2138 * print-rtl.c (print_rtl_single): Print a single rtl value to a
2141 * flow.c (print_rtl_with_bb): Print which insns start and end
2142 basic blocks. For the start of a basic block, also print the live
2145 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
2147 * toplev.c (main): Change #elif to #else/#ifdef
2149 * tlink.c: Include ctype.h.
2150 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
2152 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
2154 * bitmap.c: Conditionally include stdlib.h.
2155 (free): Provide a declaration if NEED_DECLARATION_FREE.
2157 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
2159 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
2161 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
2163 * profile.c (output_arc_profiler): Verify next_insert_after is an
2164 INSN before and after skipping a stack pop.
2166 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2168 * final.c (shorten_branches): Don't count the lengths of deleted
2171 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
2173 * version.c: Bump for snapshot.
2175 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
2177 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
2178 two bitmaps ANDed together.
2179 (bitmap_print): Declare.
2181 * bitmap.c (function_obstack): Don't declare any more.
2182 (bitmap_obstack): Obstack for allocating links from.
2183 (bitmap_obstack_init): New static to say whether to initialize
2185 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
2186 (bitmap_release_memory): Free all memory allocated from
2189 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
2190 EXECUTE_IF_AND_IN_BITMAP.
2192 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
2194 * alias.c (true_dependence): Address with AND can alias scalars.
2195 (anti_dependence, output_dependence): Likewise.
2197 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
2199 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
2201 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
2202 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
2203 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
2204 definitions. Use -qrtems instead of -mrtems.
2206 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
2208 * xm-sco5.h (sys_siglist): Define.
2209 (SYS_SIGLIST_DECLARED): Likewise.
2211 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
2213 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
2215 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
2217 * except.c (eh_outer_context): Expand masking operation using
2220 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
2222 * alpha.md (floatdisf2-1): New pattern.
2224 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
2226 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
2227 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
2228 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
2229 * gcc.texi: Note that if you define sys_siglist that you should
2230 also define SYS_SIGLIST_DECLARED.
2232 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
2233 are relative to the next instruction, not the current instruction.
2235 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
2237 * local-alloc.c (contains_replace_regs): New function.
2238 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
2239 verify that there is no existing REG_EQUIV note, and add a call to
2240 contains_place_regs.
2242 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2244 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
2245 (STARTFILE_SPEC): Always use crtbegin.o%s
2246 (ENDFILE_SPEC): Always use crtend.o%s.
2248 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
2250 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
2252 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
2253 SFmode for 64 bit hosts.
2255 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
2257 * fixincludes: Permits spaces between # and define. Discard C++
2258 comments in sys/pci.h on HP/UX 10.20.
2260 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
2262 * version.c: Bump for snapshot.
2264 * pa.c (restore_unscaled_index_insn_codes): New function.
2265 (record_unscaled_index_insn_codes): Likewise.
2266 (output_function_prologue): Call restore_unscaled_index_insn_codes.
2267 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
2268 (pa_reorg): Call record_unscaled_index_insn_codes.
2270 * haifa-sched.c (move_insn): Handle notes correctly for insns
2271 with SCHED_GROUP_P set.
2273 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2275 * alpha/xm-linux.h (USE_BFD): Undef before define.
2277 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
2279 * cse.c (cse_insn): Don't record BLKmode values.
2281 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
2283 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
2285 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
2287 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
2288 * collect2.c (sys_errlist): Likewise.
2289 * cpplib.c (sys_errlist): Likewise.
2290 * gcc.c (sys_errlist): Likewise.
2291 * protoize (sys_errlist): Likewise.
2292 * configure.in: Check for strerror.
2293 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
2294 * xm-gnu.h (HAVE_STRERROR): Likewise.
2295 * xm-linux.h (HAVE_STRERROR): Likewise.
2296 * xm-netbsd.h (HAVE_STRERROR): Likewise.
2297 * xm-bsd386.h (HAVE_STRERROR): Likewise.
2298 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
2299 * xm-dos.h (HAVE_STRERROR): Likewise.
2300 * xm-mingw32.h (HAVE_STRERROR): Likewise.
2301 * xm-pa.h (HAVE_STRERROR): Likewise.
2302 * xm-papro.h (HAVE_STRERROR): Likewise.
2303 * xm-sysv4.h (HAVE_STRERROR): Likewise.
2304 * configure, config.in: Rebuilt.
2306 * Makefile.in: Add several missing "else true" clauses.
2308 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
2309 * mips-tfile.c: Likewise.
2310 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
2311 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
2312 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
2313 * configure.in: Check for sys_siglist declaration.
2314 * configure, config.in: Rebuilt.
2316 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
2318 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
2319 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
2320 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
2321 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
2322 * rs6000/sysv4.h (extra_subtarget_switches): Added new
2323 macro EXTRA_SUBTARGET_SWITCHES.
2324 * configure.in (sh*-*-rtems*): New target.
2325 * sh/rtems.h: New file.
2326 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
2327 * configure: Rebuilt.
2329 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
2331 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
2333 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
2335 * rs6000.md: Make DF fused-add operations pay attention to
2338 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
2340 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
2342 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
2344 * pa.md (reload_peepholes): Make sure operand is a REG before
2345 examining REGNO. Allow general registers too.
2347 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
2349 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
2351 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
2353 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
2354 to reallocate abbrev_die_table.
2356 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
2358 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
2360 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2362 * Makefile.in (config.status): Depend on version.c
2364 * expr.h (insn_gen_function): Reenable prototype.
2366 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
2369 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
2371 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
2373 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
2375 * version.c: Bump for latest snapshot.
2377 * bc-optab.c: Conditionally include stdlib.h.
2378 (free): Provide a declaration if NEED_DECLARATION_FREE.
2379 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
2380 * rtl.h (free): Remove declaration.
2381 * tree.h (free): Remvoe declaration.
2383 * configure: Rebuilt.
2385 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
2387 * flags.h (flag_move_all_movables): Declare.
2388 (flag_reduce_all_givs): Likewise.
2389 * loop.c (move_movables): Handle flag_move_all_movables.
2390 (strength_reduce): Handle flag_reduce_all_givs.
2391 * toplev.c (flag_move_all_movables): Define.
2392 (flag_reduce_all_givs): Likewise.
2393 (f_options): Add -fmove-all-movables and -freduce-all-givs.
2394 * invoke.texi: Document new options, including alias stuff that
2395 wasn't included last time.
2397 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
2399 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
2402 * t-vxworks68: Ditto.
2403 * t-vxworks960: Ditto.
2406 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
2408 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
2409 if not already defined, and USE_C_ALLOCA not defined.
2411 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
2413 * config.guess: Replace with script that uses ../config.guess.
2415 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
2416 if USE_GNULIBC_1 is not defined.
2418 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
2420 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
2421 * config.guess: Recognize alpha-linux-gnulibc1.
2422 * configure.in (alpha-*-linux-gnulibc1): New target.
2423 (alpha-*-linux-gnu*): Don't build crtbegin/end.
2425 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
2427 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
2430 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
2432 * loop.c (combine_movables): Earlier insns don't match later ones.
2434 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2436 * config/linux.h (CC1_SPEC): Define it only if not defined.
2438 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
2441 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
2442 USE_GNULIBC_1 is not defined.
2444 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
2446 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
2447 as 1 if USE_GNULIBC_1 is not defined.
2449 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
2451 * reorg.c (dbr_schedule): Allow current_function_return_rtx
2452 to be something other than a REG.
2453 * function.c (expand_function_end): Fix current_function_return_rtx
2456 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
2457 * x-netbsd: Likewise
2458 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
2459 (INSTALL_HEADERS): Delete.
2460 * x-dguxbcs: Likewise.
2461 * x-hp3bsd44: Likewise
2464 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2466 * i386.md (pop): pop increments the stack pointer.
2467 (prologue_set_stack_ptr): New pattern.
2468 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
2471 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
2473 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
2474 address where an offsettable address is required.
2476 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
2478 * loop.c (check_final_value): Don't miss a biv increment in a
2481 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
2483 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
2484 TYPE_DECL_IS_STUB instead of DECL_NAME.
2486 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2488 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
2490 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
2492 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
2494 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
2496 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
2497 (find_post_sched_live): Likewise.
2499 * haifa-sched.c (schedule_block): Remove old code to get arguments
2500 from hard regs into pseudos early.
2502 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
2504 * version.c: Bump for new snapshot.
2506 * local-alloc.c (update_equiv_regs): All the target to reject
2507 promotion of some REG_EQUAL to REG_EQUIV notes.
2508 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
2510 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
2513 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
2514 store of the argument registers.
2516 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
2518 * fold-const.c (multiple_of_p): New function.
2519 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
2521 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
2523 * expr.h (insn_gen_function): Temporarily remove prototype.
2525 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
2527 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
2528 filenames. Use sed to extract base filename for install.
2530 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
2532 * unroll.c (find_splittable_givs): Only share if two givs have the
2533 same add and multiply values.
2535 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
2537 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
2538 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
2540 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
2542 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
2543 around branch tables.
2544 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
2545 and .end_brtab directives if TARGET_GAS.
2547 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
2549 * alias.c (true_dependence): Pass x_addr not x to varies.
2551 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
2552 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
2553 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
2555 * config.in, configure: Regenerate.
2557 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
2559 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
2561 (record_set): Handle LO_SUM like PLUS.
2562 (init_alias_analysis): When following chains of base addresses,
2563 do not stop on reaching a hard register.
2565 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
2567 * version.c: Bump for new snapshot.
2569 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
2571 * alpha.h (ARCH_ASM_FILE_START): Define.
2572 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
2573 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
2575 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
2577 * Makefile.in (install-common): Put gcov comment at start of line.
2579 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
2581 * alias.c (init_alias_analysis): When simplifying the reg_base_value
2582 array, simplify entries for hard registers too.
2584 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
2586 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
2589 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
2591 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
2592 block_stack before dereferencing it.
2594 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
2596 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
2598 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2600 * cplus-dem.c: Add 'extern' to prepends_underscore.
2602 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
2604 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
2605 (get_issue_rate): Delete.
2606 * pa.h (ISSUE_RATE): Define.
2608 * configure.in: Turn on haifa by default for the PA.
2609 * configure: Rebuilt.
2610 * pa.c (override_options): Accept -mschedule=7200 option.
2611 (pa_adjust_cost): No longer need to scale costs for newer
2613 * pa.h (enum processor_type): Add PROCESSOR_7200.
2614 * pa.md: Revamp scheduling parameters to work better with
2615 haifa. Add scheduling parameters for the 7200.
2617 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
2619 (schedule_block): When adjusting basic_block_{head,end}, account
2620 for movement of SCHED_GROUP_P insns too.
2622 * haifa-sched.c (debug_dependencies): Fix thinko.
2624 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
2625 (site.exp, check, check-g++, check-gcc): New targets.
2627 * haifa-sched.c: Make lots of variables static.
2629 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2631 * expr.h, real.h: Finish prototyping.
2633 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
2635 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
2636 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
2637 * reload1.c: Undo bugfix from Aug 11.
2639 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
2641 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
2642 quotes around the name.
2643 * configure: Regenerate.
2645 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
2647 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
2649 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
2651 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
2652 to sub-makes to avoid building more passes than the user might have
2653 requested on the command line.
2655 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
2657 * configure.in: Expurgate `broken_install' (install is
2660 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
2663 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
2665 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
2666 functions and declarations.
2667 (analyze_loop_iterations): Use condjump_p.
2668 (insert_bct): Likewise. Use exact_log2.
2670 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
2672 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
2673 (schedule_region): Likewise.
2674 (schedule_insns): Likewise.
2676 * PROJECTS: Update with Haifa stuff.
2678 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
2680 * version.c: Change the version string to look like:
2681 egcs-2.90.00 970814 (gcc2-970802 experimental).
2683 * loop.c (is_conditional_branch): Make definition match declaration.
2685 * gcc.c: Take out experimental snapshot warning message.
2687 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
2689 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
2690 print out the names of the notes. Print out the name of the insn
2691 that is not a note, and not an {,CALL_,JUMP_}INSN.
2693 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2695 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
2696 again for the slot after we give it RTL.
2698 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
2700 * configure.in (haifa configury): Fix typo.
2701 * configure: Regenerate.
2703 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
2705 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
2707 * gcc.info*: Rebuilt.
2709 * COPYING.g77, README.g77: New files.
2710 * real.c (ereal_unto_float, ereal_unto_double): New functions.
2711 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
2712 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
2714 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
2716 * Integrate Haifa instruction scheduler.
2717 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
2718 to sched with $(SCHED_CFLAGS.
2719 * configure.in: Handle --enable-haifa.
2720 * configure: Rebuilt.
2721 * flags.h: Add new flags for haifa instruction scheduler.
2722 * genattrtab.c (expand_units): For haifa, don't subtract one
2723 when computing blockage.
2724 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
2725 (flag_schedule_speculative): Ditto.
2726 (flag_schedule_speculative_load): Ditto.
2727 (flag_schedule_speculative_load_dangerous): Ditto.
2728 (flag_schedule_reverse_before_reload): Ditto.
2729 (flag_schedule_reverse_after_reload): Ditto.
2730 (flag_branch_on_count_reg): Ditto.
2731 (f_options): Add Haifa switches.
2732 (main): Turn off some Haifa options if appropriate macro is
2733 defined. Process Haifa switches.
2734 * unroll.c (iteration_info): No longer static, since Haifa
2736 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
2737 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
2738 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
2739 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
2740 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
2741 storage for the Haifa scheduler.
2742 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
2744 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
2745 are defined, call analyze_loop_iterations and insert_bct to use
2747 (record_giv): Refine test for jumps out of loops if HAIFA is
2749 (analyze_loop_iterations): New function to identify if we can use
2751 (insert_bct): Insert countdown loop.
2752 (instrument_loop_bct): Low level code to insert countdown loop.
2753 (loop_number): Calculate UID of loop.
2754 (indirect_jump_in_function_p): Return true if an indirect jump is
2756 (is_power_of_2): Return true if value is a power of 2.
2757 (is_conditional_branch): Return true if insn is a conditional
2759 (fix_bct_param): Process -fbct-{min,max}-N switches.
2760 (check_bct_param): Return true if loop should be instrumented.
2761 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
2762 (loop_optimize): Initialize.
2763 (get_condition_for_loop): Ditto.
2764 * loop.c (strength_reduce): Inside of code that uses #ifdef
2765 HAVE_decrement_and_branch_on_count code, test it to make sure the
2767 (instrument_loop_bct): Ditto.
2768 * haifa-sched.c: New file.
2771 * Integrate regmove pass.
2772 * Makefile.in (OBJS): Add regmove.o
2773 (regmove.o): Add dependencies.
2774 * flow.c (find_use_as_address): No longer static.
2775 * rtl.h (find_use_as_address): Declare.
2776 * toplev.c (regmove_dump, flag_regmove): Define.
2777 (f_options): Add -fregmove.
2778 (regmove_dump_file, regmove_time): Define.
2779 (fatal_insn): Close the regmove dump file.
2780 (compile_file): Initialize regmove_time; open/close the regmove dump
2781 file as needed. Print regmove time as needed.
2782 (rest_of_compilation): Run regmove pass if requested, dump
2783 RTL after regmove if requested.
2784 (main): If -O2 or more, turn on regmove. Handle dump switches.
2785 * regmove.c: New file.
2787 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
2789 * Integrate tlink patch from jason@cygnus.com
2790 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
2791 (process_command): Increment n_switches for them. Don't discard
2792 their args. Validate them.
2793 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
2795 (process_command): Set include_prefixes from COMPILER_PATH.
2796 (main): Set COLLECT_GCC_OPTIONS sooner.
2797 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
2798 * tlink.c, hash.c, hash.h: New files.
2799 * Makefile.in (USE_COLLECT2): Always use collect2.
2800 (collect2): Depend on and link in hash.o and tlink.o.
2801 (tlink.o, hash.o): Add dependencies.
2803 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
2805 * Integrate alias analysis changes from jfc@mit.edu
2806 * Makefile.in (OBJS): Add alias.o
2807 (alias.o): Add dependencies.
2808 * alias.c: New file.
2809 * sched.c: Remove alias analysis code. It lives in alias.c now.
2810 (sched_analyze_2): Add new arguments to true_dependence.
2811 (schedule_insns): Always call init_alias_analysis.
2812 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
2813 mark return value from such functions as a pointer and keep track of
2814 them for alias analysis. If a return value from a function is a
2815 pointer, mark it as such.
2816 * combine.c (distribute_notes): Handle REG_NOALIAS.
2817 * cse.c (struct write_data): Delete. No longer needed.
2818 (invalidate): Don't call set_nonvarying_address_components anymore.
2819 Use true_dependence to decide if an entry should be removed from
2821 (invalidate_memory): Remove WRITES argument, simplify appropriately.
2823 (note_mem_written): Similarly for WRITE_PTR argument.
2824 (invalidate_from_clobbers): Similarly for W argument.
2825 (invalidate_for_call): Remove memory elements from the hash table.
2826 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
2827 (cse_rtx_varies_p): New function. Derived from old
2828 cse_rtx_addr_varies_p.
2829 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
2830 Don't call note_mem_written anymore. Stack pushes invalidate the stack
2831 pointer if PUSH_ROUNDING is defined. No longer need to call
2832 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
2833 (skipped_writes_memory): Remove variable.
2834 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
2835 (invalidate_skipped_block): Simplify for new alias analysis code.
2836 (cse_set_around_loop): Likewise.
2837 (cse_main): Call init_alias_analysis.
2838 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
2839 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
2840 (f_options): Add new alias checking arguments.
2841 (main): Set flag_alias_check when optimizing.
2842 * local_alloc (validate_equiv_mem_from_store): Add new arguments
2844 (memref_referenced_p): Likewise.
2845 * loop.c (NUM_STORES): Increase to 30.
2846 (prescan_loop): Only non-constant calls set unknown_address_altered.
2847 (invariant_p): Add new arguments to true_dependence.
2848 (record_giv): Initialize unrolled and shared fields.
2849 (emit_iv_add_mult): Call record_base_value as needed.
2850 * loop.h (struct induction): Add unrolled and shared fields.
2851 * unroll.c (unroll_loop): Call record_base_value as needed.
2852 (copy_loop_body): Likewise.
2853 (final_biv_value): Likewise.
2854 (final_giv_value): Likewise.
2855 (find_splittable_regs): Likewise. Only create one new pseudo
2856 if we have multiple address GIVs that were combined with the same
2857 dst_reg GIV. Note when a new register is created due to unrolling.
2858 * rtl.c (reg_note_name): Add REG_NOALIAS.
2859 * rtl.h (enum reg_note): Similarly.
2860 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
2861 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
2862 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
2863 (true_dependence, read_dependence, anti_dependence): Likewise.
2864 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
2865 (mark_user_reg, mark_reg_pointer): Likewise.
2868 * Integrate reload bugfix from Wilon which enables the PA port
2870 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
2871 OPERAND_ADDRESS when computing how many registers an insn needs.
2872 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
2874 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
2876 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
2877 in reload_reg_use_in_op_addr do not reach the end.
2878 do not reach the end.
2879 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
2880 RELOAD_FOR_OPERAND_ADDRESS.
2882 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
2884 * egcs project officially starts.