1 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
3 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
6 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
8 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
9 operand3 with mask before using it. Patch provided by Jim Wilson.
11 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
13 * config/sparc/sparc.c (function_value): Perform the equivalent of
14 PROMOTE_MODE for ARCH64.
15 (eligible_for_epilogue_delay): Allow DImode operations in delay
16 slot of a return for ARCH64.
18 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
20 * sh.md (sqrtsf2): Fix mode of sqrt.
22 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
24 * reload1.c (choose_reload_regs): Also try inheritance when
25 reload_in is a stack slot of a pseudo, even if we already got a
28 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
30 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
31 (reload_cse_regs): New function body: call reload_cse_regs_1,
32 reload_combine, reload_cse_move2add.
33 When doing expensive_optimizations, call reload_cse_regs_1 a
34 second time after reload_cse_move2add.
35 (reload_combine, reload_combine_note_store): New functions.
36 (reload_combine_note_use): New function.
37 (reload_cse_move2add, move2add_note_store): New functions.
39 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
41 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
42 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
44 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
45 more than 3 such reloads.
47 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
48 RELOAD_FOR_X_ADDR_ADDR reload.
50 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
52 * expr.c (store_constructor): When initializing a field that is smaller
53 than a word, at the start of a word, try to widen it to a full word.
55 * cse.c (cse_insn): When we are about to change a register,
56 remove any invalid references to it.
58 (remove_invalid_subreg_refs): New function.
59 (mention_regs): Special treatment for SUBREGs.
60 (insert_regs): Don't strip SUBREG for call to mention_regs.
61 Check if reg_tick needs to be bumped up before that call.
62 (lookup_as_function): Try to match known word_mode constants when
63 looking for a norrower constant.
64 (canon_hash): Special treatment for SUBREGs.
66 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
68 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
69 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
70 defined, emit libcall to __enable_execute_stack. Also fix opcodes
71 and offsets in actual stack trampoline code so they match the
72 commentary and actually work.
74 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
76 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
78 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
79 tmake_file. Set extra_parts to needed crt objects.
81 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
82 (TARGET_DEFAULT): Set if default is v9 or ultra.
83 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
84 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
85 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
86 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
87 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
88 (TARGET_VERSION): Define.
89 (MULTILIB_DEFAULT): Define.
90 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
91 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
92 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
94 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
95 * config/sparc/sparc.c (sparc_override_options): If arch and
96 pointer size disagree, emit diagnostic and fix it up. If
97 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
98 V8PLUS in 64-bit mode.
99 * config/sparc/t-linux64: New file.
100 * config/sparc/t-sol2-64: New file.
101 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
102 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
103 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
104 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
105 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
106 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
108 (STARTFILE_SPEC): Set approriately based upon those.
109 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
110 disposition of DEFAULT_ARCH32_P.
111 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
112 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
113 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
114 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
115 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
117 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
119 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
121 * rtl.h (init_virtual_regs): New function.
122 * emit-rtl.c (init_virtual_regs): Define.
124 * integrate.c (save_for_inline_copying): Likewise.
126 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
128 * config/arm/thumb.h: The following patches were made by Jim Wilson:
129 (enum reg_class): Add NONARG_LO_REGS support.
130 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
131 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
132 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
133 completes. Re-enable HImode REG+OFFSET addresses.
134 (LEGITIMIZE_RELOAD_ADDRESS): Define.
136 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
138 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
140 * alpha.c (get_aligned_mem): Revert Sep 20 change.
141 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
142 (alpha_align_insns): Properly calculate initial offset wrt max_align.
144 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
146 * arm.c (find_barrier): Revert change of Apr 23. Handle table
147 jumps as a single entity, taking into account the size of the
150 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
152 * tree.def (SWITCH_EXPR): New tree node definition.
154 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
156 * version.c: Bump for snapshot.
158 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
160 * version.c: Bump for snapshot.
162 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
164 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
167 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
170 * reload.c (find_reloads): Do not replace a pseudo with
171 (MEM (reg_equiv_addr)) in the initializing insn for the
174 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
176 * final.c (final_scan_insn): Disable tracking CC across branches.
178 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
180 * expr.h (eh_rtime_match_libfunc): New extern declaration.
181 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
182 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
183 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
184 NULL. Only include <stdio.h> if inhibit_libc is not defined.
186 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
188 * toplev.c (rest_of_compilation): Skip compiling anything with
189 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
191 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
193 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
194 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
195 use in_libcall_block.
196 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
197 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
200 Mon Sep 21 14:02:23 1998
202 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
203 typo in no-fancy-math-387 description.
205 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
207 * version.c: Bump for snapshot.
209 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
211 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
213 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
215 * i386.h: (TARGET_SWITCHES) Add description fields for flags
216 documented in install.texi.
217 (TARGET_OPTIONS) Likewise.
219 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
221 * version.c: Bump for snapshot.
223 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
225 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
226 * cccp.c (main): Likewise.
228 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
229 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
232 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
234 * Makefile.in (LIBS): Link in libiberty.a.
235 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
237 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
239 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
240 it to update bb boundaries. Update caller.
241 * function.c (reposition_prologue_and_epilogue_notes): Update
242 bb boundaries wrt the moved note.
244 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
246 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
248 * configure: Regenerate.
250 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
252 * alpha.c (alpha_sr_alias_set): New variable.
253 (override_options): Set it.
254 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
255 (mode_mask_operand): Fix signed-unsigned comparision warning.
256 (alpha_expand_block_move): Likewise.
257 (print_operand): Likewise.
258 (get_aligned_mem): Use change_address.
259 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
260 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
261 (alphaev4_next_nop, alphaev5_next_nop): New functions.
262 (alpha_align_insns): Remade from old alphaev5_align_insns
263 to handle multiple processors.
264 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
265 * output.h (label_to_alignment): Prototype.
267 * tree.c (new_alias_set): New function.
268 * tree.h (new_alias_set): Declare it.
269 * c-common.c (c_get_alias_set): Use it.
271 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
273 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
274 to an ABS expr, convert an unsigned input to signed.
276 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
278 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
280 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
282 * configure.in: Add support for c4x targets.
283 * configure: Rebuilt.
285 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
287 * combine.c (distribute_notes): If an insn is a cc0 user, only
288 delete it if we can also delete the cc0 setter.
290 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
292 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
293 (invert_truthvalue): Enable truthvalue inversion for
294 floating-point operands if -ffast-math.
296 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
298 * configure.in: Disable collect2 for nextstep. Instead use
300 * configure: Rebuilt.
301 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
302 (ENDFILE_SPEC): Define.
303 (OBJECT_FORMAT_MACHO): Define.
304 (EH_FRAME_SECTION_ASM_OP): Define.
305 * crtstuff.c: Handle MACHO.
307 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
309 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
311 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
313 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
314 (_fpadd_parts): Get sign right for 0.
316 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
318 * ginclude/varargs.h: Add support for C4x target.
319 * ginclude/stdargs.h: Likewise.
321 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
323 * alpha.c (alpha_return_addr): SET should be VOIDmode.
324 (alpha_emit_set_long_const): Rewrite to be callable from reload
326 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
327 * alpha.md (movdi): Likewise.
329 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
331 * arm.c (add_constant): New parameter address_only, change caller.
332 Set it non-zero if taking the address of an item in the pool.
333 (arm_reorg): Handle cases where we need the address of an item in
336 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
338 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
339 memory addresses that are not in standard canonical form.
341 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
343 * README.C4X: New file with information about the c4x ports.
344 * ginclude/va-c4x.h: New file for c4x varargs support.
345 * config/c4x: New directory with c4x port files.
347 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
349 * reload.c (find_reloads): Do not replace a pseudo with
350 (MEM (reg_equiv_addr)) in the initializing insn for the
353 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
355 * toplev.c (rest_of_compilation): Set bct_p on second call to
357 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
359 (strength_reduce): Only call analyze_loop_iterations and
360 insert_bct if bct_p set.
361 (check_dbra_loop): Fix typo.
362 (insert_bct): Use word_mode instead of SImode.
363 (instrument_loop_bct): Likewise. Do not delete iteration count
364 condition code generation insn. Initialize iteration count before
366 * rtl.h (loop_optimize): Update prototype.
368 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
369 not doubleword aligned.
371 * rs6000.c (optimization_options): New function.
372 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
373 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
374 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
375 first; cr1 can be used for FP record condition insns.
377 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
379 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
382 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
385 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
387 (block_move_call): New function: Call a library routine to copy a
389 (m32r_expand_block_move): New function: Expand a "movstrsi"
390 pattern into a sequence of insns.
391 (m32r_output_block_move): New function: Expand a
392 "movstrsi_internal" pattern into a sequence of assembler opcodes.
393 (m32r_block_immediate_operand): New function: Return true if the
394 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
396 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
398 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
400 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
402 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
404 * regmove.c (copy_src_to_dest): Check that modes match.
406 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
408 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
410 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
412 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
413 narrower than FLOAT_REGS.
415 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
417 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
419 * Makefile.in (old_gxx_include_dir): removed
421 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
423 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
426 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
427 (sh_handle_pragma): Change function arguments to match new
428 specification for HANDLE_PRAGMA.
430 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
432 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
434 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
435 When generating output, initialize missing struct member to zero.
437 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
439 * regmove.c (copy_src_to_dest): Don't copy if that requires
442 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
444 * global.c (reg_allocno): Now static.
445 * reload1.c (reg_allocno): Delete declaration.
446 (order_regs_for_reload): Take no arguments. Don't treat regs
447 allocated by global differently than those allocated by local-alloc.
449 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
451 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
452 condition, fix format strings.
453 (output_function_epilogue): Likewise.
455 * m68k/m68k.c: Don't include <stdlib.h> directly.
457 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
459 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
460 mem_first_set, mem_last_set; because 0 can be a CUID.
461 (oprs_unchanged_p): Use new definition.
462 (record_last_reg_set_info): Likewise.
463 (record_last_mem_set_info): Likewise.
464 (compute_hash_table): Likewise.
466 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
468 * rs6000.c (output_epilogue): Handle Chill.
470 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
471 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
473 * combine.c (make_extraction): If no mode is specified for
474 an operand of insv, extv, or extzv, default it to word_mode.
475 (simplify_comparison): Similarly.
476 * expmed.c (store_bit_field): Similarly.
477 (extract_bit_field): Similarly.
478 * function.c (fixup_var_regs_1): Similarly.
479 * recog.c (validate_replace_rtx_1): Similarly.
480 * mips.md (extv, extzv, insv expanders): Default modes for most
481 operands. Handle TARGET_64BIT.
482 (movdi_uld, movdi_usd): New patterns.
484 * pa.c (emit_move_sequence): Do not replace a pseudo with its
485 equivalent memory location unless we have been provided a scratch
486 register. Similarly do not call find_replacement unless a
487 scratch register has been provided.
489 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
491 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
494 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
496 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
497 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
498 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
499 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
500 * c-decl.c (init_decl_processing): Update accordingly.
501 * expr.c (expand_builtin): Likewise.
503 * rtl.h (global_rtl): Add cfa entry.
504 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
505 (LAST_VIRTUAL_REGISTER): Update.
506 * emit-rtl.c (global_rtl): Add cfa entry.
507 (init_emit): Initialize it.
508 * function.c (cfa_offset): New.
509 (instantiate_virtual_regs): Initialize it.
510 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
511 (expand_function_end): Call expand_eh_return.
512 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
514 * except.c (current_function_eh_stub_label): Kill.
515 (current_function_eh_old_stub_label): Likwise; update all references.
516 (expand_builtin_set_return_addr_reg): Kill.
517 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
518 (expand_builtin_set_eh_regs): Kill.
519 (eh_regs): Produce a third reg for the actual handler address.
520 (eh_return_context, eh_return_stack_adjust): New.
521 (eh_return_handler, eh_return_stub_label): New.
522 (init_eh_for_function): Initialize them.
523 (expand_builtin_eh_return, expand_eh_return): New.
524 * except.h: Update prototypes.
525 * flow.c (find_basic_blocks_1): Update references to the stub label.
526 * function.h (struct function): Kill stub label elements.
528 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
529 register number is one that would be in the previous window.
530 Provide a dummy definition for non-windowed targets.
531 (get_reg_addr): New function.
532 (get_reg, put_reg, copy_reg): Use it.
533 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
534 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
536 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
537 (alpha_init_expanders): Initialize it.
538 (alpha_expand_epilogue): Use it.
539 * alpha.h: Declare it.
540 * alpha.md (eh_epilogue): New.
542 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
543 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
545 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
547 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
550 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
552 * except.h (struct eh_entry): Add false_label field.
553 (end_catch_handler): Add prototype.
554 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
555 (start_catch_handler): When using old style exceptions, issue
556 runtime typematch code before continuing with the handler.
557 (end_catch_handler): New function, generates label after handler
558 if needed by older style exceptions.
559 (expand_start_all_catch): No need to check for new style exceptions.
560 (output_exception_table_entry): Only output the first handler label
561 for old style exceptions.
562 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
563 mechanism into one function, if a runtime matcher is provided.
565 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
567 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
569 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
571 * integrate.c (copy_decl_list): Fix typo.
573 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
575 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
578 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
580 * version.c: Bump for snapshot.
582 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
584 * version.c: Bump for snapshot.
586 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
588 * version.c: Bump for snapshot.
590 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
592 * invoke.texi (C Dialect Options): Put back missing @end itemize.
594 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
596 * configure.in: remove usage of `!' to negate the result of a
597 command; some common shells do not support it
599 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
601 * configure.in: in sparc9-sol2 config, use 'if test' not
603 * configure: Rebuilt.
605 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
607 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
608 (CPP_CPU_DEFAULT_SPEC): Likewise.
609 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
612 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
615 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
617 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
619 * collect2.c: Don't declare `sys_siglist' here.
620 (my_strsignal): Prototype and define new function. Use it in
621 place of `sys_siglist' hacks.
623 * mips_tfile.c: Likewise.
625 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
626 (GCC_NEED_DECLARATIONS): Likewise.
628 * system.h (strsignal): Prototype it, if necessary.
629 (sys_siglist): Declare it, if necessary.
631 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
633 * loop.c (move_movables): While removing insn sequences, preserve
634 the next pointer of the most recently deleted insn when we skip
637 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
639 * objc/config-lang.in: Do not output the name of the selected
640 thread file when building the front-end. The Makefile for the
641 runtime library will do this.
643 * objc/Make-lang.in: Do not build the runtime library or install
644 the Objective C header files. The Makefile for the runtime
645 library will do this.
647 * objc/Makefile.in (all.indirect): Only build the front-end.
648 (compiler): Rename to `frontend'.
649 (obj-runtime): Remove target.
650 (copy-headers): Likewise.
651 (clean): No need to remove `libobjc.a' any longer.
653 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
655 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
656 supported with -mcpu=xxx.
658 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
660 * flow.c (mark_set_1): Recognize multi-register structure return
661 values in CALL insns.
662 (mark_used_regs): Likewise.
663 (count_reg_sets_1): Likewise.
664 (count_reg_references): Likewise.
665 * rtlanal.c (note_stores): Likewise.
666 (reg_overlap_mentioned_p): Likewise.
667 * haifa-sched.c (check_live_1): Likewise.
668 (update_live_1): Likewise.
669 (sched_analyze_1): Likewise.
670 (sched_note_set): Likewise.
671 (birthing_insn_p): Likewise.
672 (attach_deaths): Likewise.
674 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
677 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
679 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
681 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
683 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
685 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
687 * configure.in: Add check for GAS subsection -1 support.
688 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
689 * configure config.in: Rebuilt.
690 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
691 SImode is subsection -1 works, else use DImode.
692 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
694 * config/sparc/sparc.c (sparc_output_addr_vec,
695 sparc_output_addr_diff_vec): Use them if defined.
697 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
699 * tree.h (DECL_ORIGIN): New macro.
700 * integrate.c (copy_and_set_decl_abstract_origin): New function.
701 (copy_decl_list): Use it.
702 (integrate_parm_decls): Likewise.
703 (integrate_decl_tree): Likewise.
704 * dwarf2out.c (decl_ultimate_origin): Simplify.
705 * dwarfout.c (decl_ultimate_origin): Likewise.
706 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
707 (pushdecl): Likewise.
709 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
711 * config/rs6000/rs6000.c (output_epilog): Add Java support.
713 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
715 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
717 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
719 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
720 empty or has a single entry.
722 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
723 before calling reg_to_stack.
725 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
727 * alpha.c (alphaev5_insn_pipe): Abort on default case.
728 (alphaev5_next_group): Swallow CLOBBERs and USEs.
730 * c-tree.h (warn_long_long): Declare it.
732 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
734 * emit-rtl.c (gen_lowpart_common): Disable optimization of
735 initialized float-int union if the value is a NaN.
737 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
739 * c-lex.c (real_yylex): Don't warn about long long constants if
740 we're allowing long long
742 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
744 * except.h (current_function_eh_stub_label): Declare.
745 (current_function_eh_old_stub_label): Declare.
746 * function.h (struct function): New members eh_stub_label and
748 * except.c (current_function_eh_stub_label): New variable.
749 (current_function_eh_old_stub_label): New variable.
750 (init_eh_for_function): Clear them.
751 (save_eh_status): Save them.
752 (restore_eh_status): Restore them.
753 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
754 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
755 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
756 make an edge from the block that contains it to the block starting
757 with the label if this label is one of the eh stub labels.
758 If eh stub labels exist, show they are reachable from the last block
761 * reload1.c (reload): Break out several subroutines and make some
763 (calculate_needs_all_insns): New function, broken out of reload.
764 (calculate_needs): Likewise.
765 (find_reload_regs): Likewise.
766 (find_group): Likewise.
767 (find_tworeg_group): Likewise.
768 (something_needs_reloads): New global variable, formerly in reload.
769 (something_needs_elimination): Likewise.
770 (caller_save_spill_class): Likewise.
771 (caller_save_group_size): Likewise.
772 (max_needs): Likewise.
773 (group_size): Likewise.
774 (max_groups): Likewise.
775 (max_nongroups): Likewise.
776 (group_mode): Likewise.
777 (max_needs_insn): Likewise.
778 (max_groups_insn): Likewise.
779 (max_nongroups_insn): Likewise.
782 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
784 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
786 * loop.c (load_mems): Copy rtx for output mem.
788 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
790 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
791 mips1 or mips2 either.
793 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
795 * pa.c (pa_reorg): New marking scheme for jumps inside switch
797 (pa_adjust_insn_length): Update to work with new marking scheme
798 for jumps inside switch tables.
799 * pa.md (switch_jump): Remove pattern.
800 (jump): Handle jumps inside jump tables.
802 * Makefile.in (profile.o): Depend on insn-config.h
804 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
806 * iris6.h (DWARF2_UNWIND_INFO): Undef.
808 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
810 Add preliminary native sparcv9 Solaris support.
811 * configure.in: Recognize sparv9-*-solaris2*
813 * config.sub: Recognize sparcv9 just like sparc64.
814 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
815 config/sparc/sol2-cn.asm: Macroize so it can be shared between
816 32-bit and 64-bit Solaris systems.
817 * config/sparc/t-sol2: Assemble those with cpp.
818 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
819 (*TF*_LIBCALL): If ARCH64 use V9 names.
820 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
822 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
824 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
825 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
827 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
829 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
830 to Pmode if CASE_VECTOR_MODE is something else.
832 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
834 * prefix.c (update_path): Correctly handle cases where PATH is
835 a substring of the builtin prefix, but specifies a different
838 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
840 * expr.c: Corrected comment about what MOVE_RATIO does.
841 * config/alpha/alpha.h: Ditto.
842 * config/1750a/1750a.h: Ditto.
843 * config/clipper/clipper.h: Ditto.
844 * config/i386/i386.h: Ditto.
846 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
848 * configure.in (m68k-next-nextstep3*): Use collect2.
849 Similarly for x86 NeXT configurations.
850 * configure: Rebuilt.
852 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
854 * configure.in: Don't assume srcdir is .../gcc
855 * configure: Rebuilt.
857 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
859 * global.c: Update comments.
860 (global_alloc): Assign allocation-numbers
861 even for registers allocated by local_alloc in case
862 they are later spilled and retry_global_alloc is called.
863 (mark_reg_store, mark_reg_clobber,
864 mark_reg_conflicts, mark_reg_death): Always record a
865 conflict with a pseudo register even if it has been
866 assigned to a hard register.
867 (dump_conflicts): Don't list pseudo registers already assigned to
868 a hard register as needing to be allocated, but do list their
870 * local-alloc.c: Update comment.
872 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
874 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
875 * configure: Rebuilt.
877 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
879 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
881 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
882 for all targets that set -msoft-float.
884 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
886 * toplev.c (print_switch_values): Make static to match prototype.
888 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
890 * configure.in: If we are unable to find the "gnatbind" program,
891 then do not configure the ada subdir.
892 * configure: Rebuilt.
894 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
896 * version.c: Bump for snapshot.
898 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
900 * version.c: Bump for snapshot.
902 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
904 * Makefile.in (toplev.o): Depend on $(EXPR_H).
905 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
907 * gansidecl.h: Define ATTRIBUTE_NORETURN.
909 * genattrtab.c: Have insn-attrtab.c include toplev.h.
911 * genextract.c: Have insn-extract.c include toplev.h.
913 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
915 * toplev.c: Include expr.h.
916 (really_sorry, fancy_abort): Remove prototypes.
917 (set_target_switch): Add argument in prototype.
918 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
919 (v_really_sorry): Likewise.
920 (print_version, print_single_switch, print_switch_values): Make
921 static and add prototype arguments.
922 (decl_printable_name): Add prototype arguments.
923 (lang_expand_expr_t): New typedef.
924 (lang_expand_expr): Declare as a lang_expand_expr_t.
925 (incomplete_decl_finalize_hook): Add prototype argument.
926 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
927 (botch): Likewise for variable `s'.
928 (rest_of_type_compilation): Mark variables `type' and `toplev'
929 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
930 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
931 (display_help): Make variable `i' an `unsigned long'.
932 (main): Remove unused parameter `envp'.
933 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
934 Cast -1 when comparing it with a `size_t'.
936 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
937 prototype with ATTRIBUTE_NORETURN.
938 (fatal_insn_not_found, fatal_insn, really_sorry,
939 push_float_handler, pop_float_handler): Add prototypes.
940 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
941 (do_abort, botch): Add prototypes.
943 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
945 * final.c (final): If a label is reached only from a single jump,
946 call NOTICE_UPDATE_CC on the jump and its predecessor before
947 emitting the insn after the label.
949 * i386.h: Add AMD K6 support.
950 Change TARGET_* macros to use table lookup.
951 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
952 (ADJUST_COST): Change definition to call function in i386.c.
953 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
954 * i386.c: Add AMD K6 support.
955 Add constants for feature tests used by TARGET_* macros.
956 (split_di): If before reload, call gen_lowpart and gen_highpart.
957 (x86_adjust_cost): New function.
958 (put_jump_code): New function.
959 (print_operand): New codes 'D' and 'd'.
960 * i386.md: New insn types. New insn attribute "memory".
961 Redefine scheduling parameters to use new types and add AMD K6
962 support. Explicitly set type of most insns.
963 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
964 Pro and K6 prefer movl $1,reg to incl reg.
965 (adddi3, subdi3): Set cc_status.
966 (DImode shift patterns): Change label counters from HOST_WIDE_INT
967 to int; x86 can't have more than 2^31 DImode shifts per file.
968 (setcc): Combine all setcc patterns. Allow writing memory.
969 Combine all jump patterns using match_operator.
970 (*bzero): Name pattern. Emit mutliple stos instructions when that
971 is faster than rep stos.
972 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
975 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
977 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
980 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
982 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
983 not whatever we're generating now.
985 * alpha.c (set_frame_related_p, FRP): New.
986 (alpha_expand_prologue): Mark frame related insns.
987 (alpha_expand_epilogue): Likewise, but with a null FRP.
988 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
989 * alpha.md (exception_receiver): New.
990 * alpha/crtbegin.asm (.eh_frame): New beginning.
991 (__do_frame_setup, __do_frame_takedown): New.
992 * alpha/crtend.asm (.eh_frame): New ending.
993 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
994 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
995 (ASM_FILE_START): Don't emit .file for dwarf2.
997 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
998 * rtl.c (reg_note_name): Likewise.
999 * rtl.texi (REG_NOTES): Likewise.
1000 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
1003 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
1005 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
1006 * i386.md (movsf, movdf, movxf): Validate memory address returned
1007 from force_const_mem. Kill useless REG_EQUAL setting code.
1009 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
1011 * m68k.md (zero_extendsidi2): Fix typo.
1013 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
1015 * configure.in: Removed references to the removed file
1016 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
1017 * arm*-*-netbsd* and ns32k-*-netbsd*.
1018 * config/i386/xm-netbsd.h: Removed unnecessary file.
1019 * config/m68k/xm-netbsd.h: Likewise.
1020 * config/sparc/xm-netbsd.h: Likewise.
1021 * config/mips/xm-netbsd.h: Likewise.
1023 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
1025 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
1026 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
1028 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
1029 for exact section attributions.
1031 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
1033 * i386/crtdll.h (CPP_PREDEFINES): Define.
1035 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
1037 * m68k.md (5200 movqi): Do not allow byte sized memory references
1039 * m68k.c (output_move_qimode): Do not use byte sized operations on
1042 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
1043 explicit rules for building. Similarly for alloca, vfprintf,
1044 choose-temp and mkstemp, getopt, getopt1, and obstack.
1045 (INCLUDES): Add $(srcdir)/../include.
1046 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
1047 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
1049 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
1051 * gcc.c (do_spec_1): [case 'o'] Account for
1052 lang_specific_extra_outfiles.
1053 (main): Correctly clear all slots in outfiles for
1054 lang_specific_extra_outfiles. Set input_file_number before
1055 calling lang_specific_pre_link.
1057 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
1059 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
1061 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1063 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
1065 (sparc_output_deferred_case_vectors): If no work to do, return.
1066 Fix thinko in Sept 1 change.
1068 1998-09-03 SL Baur <steve@altair.xemacs.org>
1070 * Makefile.in: add semicolon in BISON definition for portability.
1072 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
1074 * config/nextstep.c (handle_pragma): Correct name of third
1077 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
1079 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
1080 * config/m32r/m32r.h: Make register 17 be fixed.
1081 * config/m32r/m32r.c: Use SImode for cc operations.
1083 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
1085 * invoke.texi (Warning Options): Add -Wnon-template-friend
1088 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
1090 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
1092 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
1094 * rs6000.md (movsf): Disable explicit secondary-reload-like
1095 functionality if TARGET_POWERPC64.
1096 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
1099 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
1101 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
1102 and term.h from fixinc.wrap.
1104 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1106 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
1107 safe to include both string.h and strings.h together.
1108 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
1109 which headers to search for function declarations. Continue to
1110 prefer string.h over strings.h when both are not acceptable.
1112 * acconfig.h (STRING_WITH_STRINGS): Add stub.
1114 * configure.in: Call GCC_HEADER_STRING.
1116 * system.h: Test STRING_WITH_STRINGS when deciding which headers
1117 to include. Continue to prefer string.h over strings.h when both
1120 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1122 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
1123 not assume top 32-bits of symbolic addresses are zero if
1126 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
1128 * ginclude/va-alpha.h: Protect entire second portion of the
1129 file against double inclusion.
1131 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
1133 Added support for the Boehm's garbage collector.
1134 * configure.in: Handle --enable-objc-gc.
1135 * configure: Rebuilt.
1136 * Makefile.in (CHECK_TARGETS): Add check-objc.
1137 (check-objc): New rule.
1138 * objc/Make-lang.in: Build a different Objective-C library that
1139 runs with the Boehm's collector.
1140 * objc/encoding.c (objc_round_acc_size_for_types): New function.
1141 * objc/encoding.c: Correctly compute the size of compound types in
1142 the presence of bitfields. Skip the variable name of the type if
1143 any. Added support for long long.
1144 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
1145 (_F_GCINVISIBLE): New mask.
1146 * objc/gc.c: New file. Compute the type memory mask associated with
1147 a class based on the runtime information.
1148 * objc/misc.c: Added the hooks that use the Boehm's collector
1149 allocation functions.
1150 * objc/objc-act.c (build_class_template): Generate a new class
1151 member (gc_object_type) to hold the class' type memory mask.
1152 (build_shared_structure_initializer): Initialize the new member to
1154 (encode_complete_bitfield): New function. Generate the new
1156 (encode_field_decl): Generate the new encoding only for the GNU
1158 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
1160 (class_get_gc_object_type): New function to mark a pointer instance
1161 variable as a weak pointer.
1162 * objc/objc-features.texi: New file.
1163 * objc/objc.h (gc_object_type): New class member.
1164 * objc/objects.c (class_create_instance): Create a typed memory
1165 object when compiled with Boehm's collector support.
1166 * objc/sendmsg.c (__objc_init_install_dtable): Call
1167 __objc_send_initialize instead of setting the initialize flag.
1168 (__objc_send_initialize): Call __objc_generate_gc_type_description
1169 to generate the class type memory mask. Rewrite the code that
1170 sends the +initialize so that it is called only once (bug report
1171 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
1172 * testsuite/objc: New testsuite for Objective-C type encoding.
1173 * testsuite/lib/objc-torture.exp: New file.
1174 * testsuite/lib/objc.exp: New file.
1176 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
1178 * jump.c (jump_optimize): In if/then/else transformations, add
1179 another call to modified_between_p for the jump insn.
1181 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
1183 * fix-header.c (symlink): Treat like readlink.
1185 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1187 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
1190 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
1192 * config/nextstep.h: Update HANDLE_PRAGMA macro.
1193 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
1194 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
1196 * config/nextstep.c (handle_pragma): Take three arguments, as per
1197 the new HANDLE_PRAGMA macro specification.
1198 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
1199 per the new HANDLE_PRAGMA macro specification.
1200 * config/i960/i960.c (process_pragma): Take three arguments, as
1201 per the new HANDLE_PRAGMA macro specification.
1203 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
1205 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
1206 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
1207 if unknown pragmas are encountered.
1208 (handle_sysv_pragma): Interpret return code from
1209 handle_pragma_token (). Return success/failure indication rather
1210 than next unprocessed character.
1211 (pragma_getc): New function: retrieves characters from the
1212 input stream. Defined when HANDLE_PRAGMA is enabled.
1213 (pragma_ungetc): New function: replaces characters back into the
1214 input stream. Defined when HANDLE_PRAGMA is enabled.
1216 * c-pragma.c (handle_pragma_token): Return success/failure status
1219 * c-pragma.h: Change prototype of handle_pragma_token().
1221 * varasm.c: (handle_pragma_weak): Only create this function if
1222 HANDLE_PRAGMA_WEAK is defined.
1224 * c-common,c (decl_attributes): If defined call the expression
1225 contained within the INSERT_ATTRIBUTES macro before adding
1226 attributes to a decl.
1228 * tm.texi (HANDLE_PRAGMA): Document the new verion of
1229 HANDLE_PRAGMA, which takes three arguments.
1230 (INSERT_ATTRIBUTES): Document this new macro.
1232 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
1233 new INSERT_ATTRIBUTES macro.
1235 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1237 * config/sparc/sparc.md (movdf): Only generate special RTL for
1238 LABEL_REFs when PIC.
1239 (move_label_di): Remove
1240 (movdi_pic_label_ref, movdi_high_pic_label_ref,
1241 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
1242 references when PIC.
1243 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
1244 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
1245 output an .xword for all 64-bit cases.
1247 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1249 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
1250 alignment, use FUNCTION_BOUNDARY instead.
1251 (sparc_output_deferred_case_vectors): Likewise.
1253 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1255 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
1256 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
1258 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
1260 * alpha/va_list.h: New file.
1261 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
1263 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
1265 * NEWS: Add SCO Openserver and Unixware 7 notes.
1269 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
1271 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
1272 (record_constant_1): Handle RANGE_EXPR.
1274 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
1276 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
1277 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
1278 and NOTE_INSN_RANGE_END specially.
1279 (reemit_notes): Likewise.
1281 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1283 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
1284 (ultrasparc_sched_init): Remove unneeded &.
1286 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1288 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
1289 for m68020-60, to prevent the use of fintrz.
1291 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
1293 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
1295 * Makefile.in: Likewise.
1296 * configure: Regenerated.
1298 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
1300 * configure.in (gxx_include_dir): Changed to
1301 '${prefix}/include/g++'-${libstdcxx_interface}.
1302 * configure: Rebuilt.
1304 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
1306 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
1308 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
1309 *sequences* *below* which scalar moves will be used.
1311 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
1313 * collect2.c (mktemp): Delete unused declaration.
1315 * config/xm-netbsd.h: Remove unnecessary file.
1316 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
1317 file anymore, it is not needed.
1319 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
1321 * convert.c (convert_to_integer): Issue an error on conversions to
1324 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
1326 * Makefile.in: Add lang_tree_files and gencheck.h.
1327 * configure.in: Generate them.
1328 * gencheck.c: Include gencheck.h.
1330 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1332 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
1333 movdi_lo_sum_pic and movdi_high_pic and make visible.
1334 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
1335 emit these when Pmode is not SImode.
1336 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
1338 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
1340 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
1341 .linkonce directive after the first time.
1343 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
1345 * m68k.md (beq0_di): Generate correct (and more efficient) code when
1346 the clobbered operand overlaps with an input.
1347 (bne0_di): Similarly.
1349 * Makefile.in (INSTALL): Remove "--no-header" argument.
1351 * NEWS: Various updates.
1353 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1355 * config/sparc/sparc.c (arith_operand, const64_operand,
1356 const64_high_operand, arith_double_4096_operand): Mark mode as
1358 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
1360 (sparc_emit_set_const64): Remove unused variable i.
1361 (sparc_splitdi_legitimate): Likewise for addr_part.
1362 (ultra_code_from_mask): Likewise for mask.
1363 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
1364 reverse return values so it matches usage and comments.
1365 (ultra_flush_pipeline): Likewise.
1366 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
1367 this_type, and allow loads and stores of differing FP modes as
1368 they do not create a conflict.
1369 (ultra_find_type): Initialize fpmode to SFmode, fix
1370 parenthesization thinkos in large conditional.
1371 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
1372 Init free_slot_mask after ultra_cur_hist is reset, not before.
1373 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
1374 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
1375 use ultra_flush_pipeline instead, then re-init group pointer.
1376 Fix statement with no effect. If no progress made in, and no
1377 instructions scheduled at all, advance to new pipeline cycle else
1378 we get into an endless loop.
1379 (ultrasparc_adjust_cost): Remove previous arg.
1380 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
1382 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
1384 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
1385 code. Use reg_overlap_mentioned_p to detect when source and
1386 destination overlap.
1387 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
1389 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
1391 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
1392 COMPARISON_VAL, into invariant_p.
1394 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1396 * regmove.c (regclass_compatible_p): New function.
1397 (regmove_optimize): Use it.
1399 Use NREGS parameter insted of calling max_reg_num.
1401 (fixup_match_1): Don't use code = MINUS when later tieing with
1402 a hard register is likely.
1404 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1406 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
1407 COMPARISON_VAL was normalized.
1409 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
1411 * loop.c (check_dbra_loop): The loop ending comparison value
1412 must be an invariant or we can not reverse the loop.
1414 * loop.c (scan_loop): Count down from max_reg_num - 1 to
1415 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
1417 (load_mems_and_recount_loop_regs_set): Likewise.
1419 * i386.c (print_operand): Remove obsolete 'c' docs.
1421 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
1423 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
1424 * frame.c (init_object_mutex): New function.
1425 (init_object_mutex_once): Likewise.
1426 (find_fde): Call it.
1427 (__register_frame_info): Likewise.
1428 (__register_frame_info_table): Likewise.
1429 (__deregister_frame_info): Likewise.
1431 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
1433 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
1435 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1437 * loop.c (check_dbra_loop): Enable code for reversal
1438 of some loops without a known constant loop end.
1440 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
1442 * haifa-sched.c (last_clock_var): New.
1443 (schedule_block): Initialize it.
1444 (schedule_insn): Use it to fill insn modes with issue information.
1446 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
1447 Tag trapb and next insn with TImode.
1448 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
1449 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
1450 Invoke alphaev5_align_insns as appropriate.
1451 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
1452 (MD_SCHED_VARIABLE_ISSUE): New.
1453 * alpha.md (attr type): Add multi.
1454 (define_asm_attributes): New.
1455 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
1456 (arg_home): Likewise.
1457 (fnop, unop, realign): New.
1459 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
1461 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
1462 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
1464 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
1465 (rs6000-ibm-aix4.[12]*): Likewise.
1466 * configure: Regnerate.
1468 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
1470 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
1471 already contains the return address.
1473 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
1475 * calls.c (expand_call): Use bitfield instructions to extract/deposit
1476 word sized hunks when loading unaligned args into registers.
1478 * haifa-sched.c (sched_analyze_insn): Only create scheduling
1479 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
1481 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
1483 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1485 * loop.c (check_dbra_loop): Add some code that would allow reversal
1486 of some loops without a known constant loop end if it were enabled.
1488 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
1490 * mips.md (lshrsi3_internal2+2): Fix type-o.
1492 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1494 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
1495 correctly with regards to stdio.h.
1497 * calls.c: Remove stdarg.h/varargs.h.
1500 * combine.c: Likewise.
1501 * cpperror.c: Likewise.
1502 * cpplib.c: Likewise.
1503 * cpplib.h: Likewise.
1504 * doprint.c: Likewise.
1505 * emit-rtl.c: Likewise.
1506 * final.c: Likewise.
1507 * fix-header.c: Likewise.
1509 * genattr.c: Likewise.
1510 * genattrtab.c: Likewise.
1511 * gencodes.c: Likewise.
1512 * genconfig.c: Likewise.
1513 * genemit.c: Likewise.
1514 * genextract.c: Likewise.
1515 * genflags.c: Likewise.
1516 * genopinit.c: Likewise.
1517 * genoutput.c: Likewise.
1518 * genpeep.c: Likewise.
1519 * genrecog.c: Likewise.
1520 * mips-tfile.c: Likewise.
1521 * prefix.c: Likewise.
1522 * protoize.c: Likewise.
1523 * regmove.c: Likewise.
1524 * toplev.c: Likewise.
1527 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1529 * config/sparc/sparc.c (sparc_override_options): If not
1530 TARGET_FPU, turn off TARGET_VIS.
1531 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
1532 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
1533 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
1534 (movdi_insn_sp64): Add VIS fzero alternative.
1535 (clear_sf, clear_df): New VIS patterns.
1536 (movsf, movdf expanders): Allow fp_zero_operand flat out when
1538 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
1540 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
1542 * loop.c (n_times_set, n_times_used, may_not_optimize,
1543 reg_single_usage): Convert to varrays. All uses changed.
1544 (insert_loop_mem): Return a value.
1545 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
1546 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
1549 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
1552 * configure.in: Do not set thread_file to "irix" since no such
1555 * sparc.md (float abs/neg splits): Check reload_completed before
1556 calling alter_subreg.
1558 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1560 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
1562 * config/sparc/sparc.h: Declare it.
1563 * config/sparc/sparc.md (float abs/neg splits): Use it.
1564 (all other splits): Handle SUBREGs properly where necessary.
1565 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
1567 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
1569 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
1570 an insn on the unfilled_slots_list that has no delay slots.
1571 (fill_eager_delay_slots): Similarly.
1573 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
1575 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
1576 as an ordinary operand.
1578 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
1580 * tree.c (valid_machine_attribute): Don't apply attributes to both
1583 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
1585 * reload.c (operands_match_p): Handle rtvecs.
1587 * i386.c (legitimate_pic_address_disp_p): New.
1588 (legitimate_address_p): Use it.
1589 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
1590 Handle constant pool symbols just like statics.
1591 (emit_pic_move): Use Pmode not SImode for clarity.
1592 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
1593 [UNSPEC]: New, handling what we killed above.
1594 [PLUS]: Detect and abort on invalid symbol arithmetic.
1595 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
1597 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
1599 * alias.c: Include output.h.
1600 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
1601 different if we're in a varargs function.
1602 * Makefile.in (alias.o): Depend on output.h
1604 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1606 * sh.h (GIV_SORT_CRITERION): Delete.
1608 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
1610 * regclass.c (regclass): Use xmalloc/free instead of alloca.
1611 * stupid.c (stupid_life_analysis): Ditto.
1612 * reload1.c (reload): Ditto.
1614 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1616 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
1617 arith_double_4096_operand, arith_double_add_operand): New
1619 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
1620 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
1621 them to transform add/sub 4096 into add/sub -4096.
1623 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1625 * loop.c (scan_loop): Allocate some slop to handle pseudos
1626 generated by move_movables.
1627 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
1630 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
1632 * tree.def (DECL_RESULT): Correct documentation.
1634 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1636 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
1637 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
1638 conflicts will all RELOAD_FOR_OUTPUT reloads.
1640 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
1641 loads the function result, substitute with a USE.
1643 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1645 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
1646 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
1647 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
1648 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
1649 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
1650 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
1652 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
1653 'o' to 'm' for GPR variant constraints.
1655 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
1657 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
1659 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
1661 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
1662 when the source and destination overlap.
1664 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
1665 clash with global type.
1667 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
1669 * fixinc.irix: Add curses.h handling from fixinc.wrap.
1671 * c-common.c (combine_strings): Also set TREE_READONLY.
1672 Change warn_write_strings to flag_const_strings.
1673 * c-decl.c, c-tree.h: Likewise.
1675 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1677 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
1678 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
1679 sequence, use SET/IOR instead so CSE can see it.
1680 * config/sparc/sparc.md (movhi_const64_special,
1681 movsi_const64_special): New patterns necessitated by that change.
1682 (movhi_high): Remove.
1683 (movhi_lo_sum): Change to match an IOR.
1684 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
1685 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
1686 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
1687 (movdf splits): Allow when not V9 or when not ARCH64 and integer
1688 registers are involved.
1689 (snesi_zero_extend split): Remove reload_completed test.
1690 (unnamed plus and minus zero_extend sidi splits): Add it.
1692 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
1694 * extend.texi: Remove description of extension to explicit
1695 instantiation that is now endorsed by standard C++.
1697 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1699 * config/arc/arc.c (arc_initialize_pic): Remove.
1700 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
1701 nothing on any platform and is invoked by no-one, it does not even
1702 appear in the documentation.
1703 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
1704 * config/sparc/sparc.c (initialize_pic): Likewise.
1705 (find_addr_reg): Remove this as well, no longer referenced after
1708 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
1710 * recog.c (validate_replace_rtx_group): New function.
1711 * recog.h (validate_replace_rtx_group): Declare it.
1712 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
1713 the entire group of substitutions.
1715 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
1717 * loop.c (load_mems): Fix initializers.
1719 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1721 * config/sparc/sparc.md (TFmode splits): Handle destination
1722 registers being referenced in the address correctly.
1724 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
1725 TREE_UNSIGNED, when bitsize of type's mode is larger than
1726 HOST_BITS_PER_WIDE_INT.
1728 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1730 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
1731 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
1732 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
1734 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
1737 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
1739 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
1740 * h8300.h (TINY_DATA_NAME_P): Likewise.
1741 (STRIP_NAME_ENCODING): Handle '&'.
1743 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
1744 register (it could be accessed via an outer SUBREG).
1745 (REG_OK_FOR_BASE_P): Likewwise.
1746 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
1748 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
1751 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
1753 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1755 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
1756 must be offsettable so the splits can be made.
1758 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
1760 * config/i386/winnt.c: Include system.h, not stdio.h to get
1761 sys/param.h pulled in before rtl.h in case the system defines MIN
1764 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
1766 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
1768 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
1770 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
1772 * cpplib.c (cpp_define): Handle macros with parameters.
1774 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1776 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
1777 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
1778 and DImode 64-bit. Use llong for minimal-toc SFmode and
1779 SYMBOL_REF / LABEL_REF 64-bit.
1780 (output_function_profiler): Use llong for profiler label and ld to
1781 load 64-bit label address.
1783 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
1785 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
1788 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
1790 * version.c: Bump for snapshot.
1792 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
1794 * version.c: Bump for snapshot.
1796 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
1798 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
1800 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
1802 * tm.texi (Misc): Fix typo "teh".
1804 * tm.texi (PIC): Fix typo "PPIC".
1806 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
1807 effect when -O2 and higher.
1808 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
1810 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
1812 * regclass.c: Changed register set documentation to be consistent
1815 * final.c (final_start_function) Removed redundant test for
1818 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
1820 * rtl.h (rtx_function): New type.
1821 (for_each_rtx): New function.
1822 * rtlanal.c (for_each_rtx): Define it.
1824 * recog.c (change_t): New type.
1825 (change_objects, change_old_codes, change_locs, change_olds):
1827 (changes): New variable.
1828 (validate_change): Dynamically allocate room for more changes, if
1829 necessary. Uses changes array instead of change_objects, etc.
1830 (apply_change_group): Use changes array instead of
1831 change_objects, etc.
1833 * loop.c (loop_mem_info): New type.
1834 (loop_mems): New variable.
1835 (loop_mems_idx): Likewise.
1836 (looop_mems_allocated): Likewise.
1837 (scan_loop): Remove nregs parameter.
1838 (next_insn_in_loop): New function.
1839 (load_mems_and_recount_loop_regs_set): Likewise.
1840 (load_mems): Likewise.
1841 (insert_loop_mem): Likewise.
1842 (replace_loop_mem): Likewise.
1843 (replace_label): Likewise.
1844 (INSN_IN_RANGE_P): New macro.
1845 (loop_optimize): Don't pass max_reg_num() to scan_loop.
1846 (scan_loop): Remove nregs parameter, compute it after any new
1847 registers are created by load_mems. Use INSN_IN_RANGE_P and
1848 next_insn_in_loop rather than expanding them inline. Call
1849 load_mems to load memory into pseudos, if appropriate.
1850 (prescan_loop): Figure out whether or not there are jumps from the
1851 loop to targets other than the label immediately following the
1852 loop. Call insert_loop_mem to notice all the MEMs used in the
1853 loop, if it could be safe to pull MEMs into REGs for the duration
1855 (strength_reduce): Use next_insn_in_loop. Tweak comments.
1857 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
1859 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
1861 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1863 * config/sparc/sparc.c (finalize_pic): Check for the correct
1864 nonlocal_goto_receiver UNSPEC number.
1865 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
1866 making note of this dependency existing in sparc.c
1867 (negtf2_notv9 split): Give NEG SFmode.
1868 (negsf2): Fix insn output string.
1870 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
1872 * c-common.c (decl_attributes): Issue an error if the argument
1873 to alias is not a string.
1875 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
1877 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
1878 pending memory flush list.
1880 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
1882 (try_combine): Allow combining insns with REG_LIBCALL notes.
1884 * expr.c (emit_block_move): Do not call memcpy as a libcall
1885 instead build up a CALL_EXPR and call it like any other
1887 (clear_storage): Similarly for memset.
1889 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
1892 * Makefile.in (cplus-dem.o): Provide explicit rules for building
1895 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
1896 and REG_LIVE_LENGTH as successful substitutions are made.
1898 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1900 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
1901 statement after end of loop label.
1903 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1905 * config/sparc/sparc.c (ultra_types_avail): New variable.
1906 (ultra_build_types_avail): New function to record mask of insn
1907 types in ready list at this cycle.
1908 (ultrasparc_sched_reorder): Call it.
1909 (ultra_find_type): Use it to quicken the search. Also simplif
1910 dependency check, don't use rtx_equal_p because we know exactly
1911 what we are looking for.
1913 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
1915 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
1916 for architecture v4.
1918 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1920 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
1922 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
1923 movdf_const_intreg and helper splits): New patterns to move float
1924 constants into integer registers.
1925 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
1928 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
1931 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
1933 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
1935 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
1936 a BASE_REGS register is needed as an intermediate when copying
1937 a symbolic value into any register class other than BASE_REGS.
1939 * expr.c (move_by_pieces): No longer static. Remove prototype.
1940 * rtl.h (move_by_pieces): Add extern prototype.
1941 * mips.c (expand_block_move): Handle aligned straight line copy by
1942 calling move_by_pieces.
1944 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
1947 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
1949 * stmt.c (expand_end_loop): Tidy. Allow unconditional
1950 jumps out of the loop to be treated as part of the exit test.
1952 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1953 Jeff Law <law@cygnus.com>
1955 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
1956 * cplus-dem.c: Delete.
1958 * Makefile.in (fold-const.o): depend on $(RTL_H).
1960 * fold-const.c: Include rtl.h to get the prototype for
1961 `set_identifier_local_value'.
1963 * loop.c (express_from_1): Remove unused variable `tmp'.
1964 (combine_givs): cast the first argument of bzero to char *.
1966 * toplev.c (display_help): Remove unused variable `looking_for_start'.
1968 * c-decl.c (init_decl_processing): Remove unneeded &.
1970 * alpha.h (alpha_initialize_trampoline): Provide prototype.
1972 * except.c (set_exception_lang_code, set_exception_version_code):
1973 Change parameter from `short' to `int' to avoid using a gcc
1976 * except.h (set_exception_lang_code, set_exception_version_code):
1977 Likewise for prototypes.
1979 * flow.c (count_reg_references): Remove unused variables `regno'
1982 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
1984 * prefix.c (translate_name): Cast the result of `alloca'.
1986 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
1988 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1990 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
1992 (valid_dbcc_comparison_p): Mark mode argument as unused.
1993 (symbolic_operand): Likewise.
1994 (legitimize_pic_address): Likewise.
1995 (const_uint32_operand): Likewise.
1996 (const_sint32_operand): Likewise.
1997 * sched.c [!INSN_SCHEDULING]: Define only dummy function
1998 schedule_insns and comment out rest of file.
2000 * m68k.c (output_move_simode_const): Use subl to move a zero into an
2002 (output_move_[hq]imode): Likewise.
2004 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
2006 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
2007 * invoke.texi: Corresponding changes.
2009 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
2011 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
2013 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2015 * config/sparc/sparc.c (ultra_code_from_mask,
2016 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
2017 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
2018 ultrasparc_sched_init, ultrasparc_variable_issue,
2019 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
2020 functions to describe UltraSPARC pipeline exactly to Haifa.
2021 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
2022 as there is nothing the scheduler can do about it. Indicate that
2023 REG_DEP_OUTPUT's collide. Fixup formatting.
2024 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
2025 divide costs on Ultra for DImode.
2026 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
2028 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
2029 ieuN and add call_no_delay_slot to type list.
2030 (cti function unit): New unit for branches on UltraSPARC.
2031 (subx/addx insns): Set type to misc.
2032 (sidi zero/sign extension insns on arch64): Set type to shift.
2033 (sign_extendhidi2_insn): Set type to sload.
2035 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
2037 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
2038 (output_epilog): Use if != 0 for offset.
2039 (rs6000_fatal_bad_address): Prepare for Intl.
2040 * rs6000.h (rs6000_fatal_bad_address): Declare.
2041 * rs6000.md (movsfcc, movdfcc): Use else if.
2042 (elf_high): Use {liu|lis}.
2043 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
2044 (movsi): Use rs6000_fatal_bad_address.
2046 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
2048 * reload.c (find_equiv_reg): Reject equivalences separated
2049 by a volatile instruction.
2051 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2053 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
2055 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
2057 * alpha.md (movsicc): Fix mode mismatch.
2059 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
2061 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
2063 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
2065 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2067 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
2068 write-only modifier from operand 1 constraint.
2070 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2072 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
2073 emitting a XOR of -1 at the end, emit a NOT instead for combine's
2075 (sparc_emit_set_const64): Likewise, also when computing trailing
2076 bits do not negate low_bits and make fast_int an int.
2078 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
2080 * loop.c (add_label_notes): Do not ignore references to labels
2081 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
2082 * gcse.c (add_label_notes): Similarly.
2084 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
2086 * m68k.md (adddi_dilshr32): One of the operands must be a register.
2087 (adddi_dishl32): Similarly.
2089 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
2091 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
2092 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
2093 * cse.c (cse_basic_block): Add parens to shut up warnings.
2095 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2097 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
2098 sparc_emit_set_const64_longway, const64_is_2insns,
2099 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
2100 in 64-bit constant formation.
2101 * config/sparc/sparc.md (snesi_zero_extend split): Generate
2102 rtl for addx not subx.
2103 (define_insn movdi_const64_special): Make available even when
2104 HOST_BITS_PER_WIDE_INT is not 64.
2105 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
2106 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
2107 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
2108 instances of operand 1 inside a QI subreg.
2109 (xordi3_sp64_dbl): Remove '%' constraint for op1.
2110 (one_cmpldi2_sp64): Fix output string.
2111 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
2113 (unnamed arch64 ashift DI): Truncate shift count if greater than
2116 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2118 * expr.c (store_expr): Don't optimize away load-store pair
2119 when either source or destination have a side effect.
2121 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
2123 * genrecog.c (add_to_sequence): Fatal error if the modes of the
2124 operands of SET are incompatible.
2126 * alpha.md: Fix max and min patterns so modes of SET operands match.
2128 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
2130 * configure.in: Avoid [[ by using test and changequote.
2131 * configure: Rebuild.
2133 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2135 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
2137 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
2138 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
2139 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
2140 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
2141 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
2142 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
2143 Fix mismatching modes in SET operands.
2144 (conditional move patterns): Fix formatting.
2145 (unnamed subx arch64 pattern): Remove duplicate insn.
2147 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2149 * config/sparc/sparc.c (const64_operand, const64_high_operand):
2150 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
2151 (input_operand): Fixup test for what we accept for constant
2153 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
2155 (safe_constDI): Remove.
2156 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
2157 gen_safe_XOR64): New functions.
2158 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
2159 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
2161 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
2162 available when HOST_BITS_PER_WIDE_INT is not 64.
2163 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
2164 move before movdi_insn_sp64 pattern.
2165 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
2166 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
2167 symbolic_operand as predicate for second operand.
2168 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
2169 expander): Give set VOIDmode.
2171 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
2173 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
2175 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
2177 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
2179 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
2181 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
2183 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
2185 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
2187 * install.texi: Various SCO OpenServer tweaks.
2189 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
2191 * reload1.c (eliminate_regs_in_insn): Handle another case when
2192 eliminating the frame pointer to the hard frame pointer. Add
2193 missing ep->to_rtx check to one existing case.
2195 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
2197 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
2199 * tree.h: De-conditionalize init_priority code.
2201 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
2202 * collect2.c (NM_FLAGS): Change from -p to -n.
2204 * configure.in: Turn on collect2 for mipstx39-elf.
2205 Handle use_collect2=no properly.
2207 * c-common.c: De-conditionalize init_priority code.
2208 * collect2.c (extract_init_priority, sort_ids): New fns.
2209 (main): Call sort_ids.
2210 Move sequence_number to file scope.
2212 * configure.in: Handle --enable-init-priority.
2213 * c-common.c (attrs): Add A_INIT_PRIORITY.
2214 (init_attributes, decl_attributes): Likewise.
2215 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
2216 * tree.c (get_file_function_name_long): Split out...
2217 (get_file_function_name): ...from here.
2219 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
2221 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
2224 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
2226 * toplev.c (display_help): Add braces to shut up warnings.
2227 * tree.c (simple_cst_equal): Likewise.
2229 * fold-const.c (non_lvalue): Don't deal with null pointer
2231 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
2233 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
2234 of any size to a pointer.
2236 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
2238 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
2240 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
2242 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
2243 which will be saved.
2244 * mn10300.md (prologue insn): Only save registers which need saving.
2245 (epilogue insn): Similarly.
2247 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
2250 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
2252 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
2253 VAR_DECL's in gp addressable sections.
2255 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
2257 * sparc.c: Change return <exp> to <exp>; return; in functions
2259 * sparc.md: Add empty semicolon statement after final label in
2262 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2264 * config/sparc/sparc.md (define_insn addx_extend): Rename to
2265 addx_extend_sp64, only allow when TARGET_ARCH64.
2266 (define_insn addx_extend_sp32 and split): Version that works when
2268 (define_insn subx_extend): Likewise.
2269 (define_split adddi3 and subdi3 with zero extension): Fixup and
2270 correct bugs when not TARGET_ARCH64.
2272 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
2274 * except.c (set_exception_lang_code, set_exception_version_code):
2275 Use prototype-style definition if __STDC__, to match declaration
2278 * genemit.c: Change FAIL and DONE macros not to use loops.
2280 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
2282 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
2283 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
2285 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
2287 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
2289 * README.g77: Update from Craig.
2291 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2293 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
2295 (safe_constDI sparc_emit_set_const64_quick1,
2296 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
2297 analyze_64bit_constant, const64_is_2insns,
2298 create_simple_focus_bits): Fix some bugs when compiled on real
2300 (function_arg_record_value_3, function_arg_record_value_2,
2301 function_arg_record_value): Add fully prototyped forward decls.
2302 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
2303 to cmpsi_insn and use on both 64 and 32 bit targets.
2304 (define_insn cmpsi_insn_sp64): Remove.
2305 (define_expand zero_extendsidi2): Allow for 32-bit target too.
2306 (define_insn zero_extendsidi2_insn): Rename to
2307 zero_extendsidi2_insn_sp64.
2308 (define_insn zero_extendsidi2_insn_sp32): New pattern and
2309 assosciated forced split for it.
2311 * config/sparc/sparc.c (const64_operand, const64_high_operand):
2313 * config/sparc/sparc.h: Declare them.
2314 (PREDICATE_CODES): Add them.
2315 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
2316 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
2318 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
2320 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
2321 in v9 case as the latter makes the Solaris assembler crash.
2323 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2325 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
2326 for TFmode when !v9. We require offsettable memory addresses.
2327 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
2328 DFmode register number conversions.
2329 * config/sparc/sparc.md (define_split DFmode moves): If register
2330 is a SUBREG do alter_subreg on it before using.
2331 (define_expand movtf): Fixup comment about alignment on v9.
2332 (define_split TFmode moves): Don't use gen_{high,low}part, create
2333 explicit SUBREGs instead.
2335 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
2337 * Makefile.in (mbchar.o): Depend on mbchar.c.
2339 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2340 Richard Henderson <rth@cygnus.com>
2342 Rewrite Sparc backend for better code generation and
2343 improved sparc64 support.
2344 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
2346 * config/sparc/sysv4.h: Likewise.
2347 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
2348 move_operand, v8plus_regcmp_op, emit_move_sequence,
2349 singlemove_string, doublemove_string, mem_aligned_8,
2350 output_move_double, output_move_quad, output_fp_move_double,
2351 move_quad_direction, output_fp_move_quad, output_scc_insn):
2353 (small_int_or_double): New predicate.
2354 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
2355 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
2356 old pic_{sethi,lo_sum}_si patterns.
2357 (mem_min_alignment): New generic function to replace
2358 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
2359 available and can test for arbitrary alignments. All callers
2361 (save_regs, restore_regs, build_big_number,
2362 output_function_prologue, output_cbranch, output_return,
2363 sparc_flat_save_restore, sparc_flat_output_function_prologue,
2364 sparc_flat_output_function_epilogue): Prettify
2366 (output_function_epilogue): Likewise and add code to output
2367 deferred case vectors.
2368 (output_v9branch): Likewise, add new arg INSN and use it to tack
2369 on branch prediction settings. All callers changed.
2370 (print_operand): Likewise and output %l44 for LO_SUMs when
2372 (sparc_splitdi_legitimate): New function to make sure DImode
2373 splits can be run properly when !arch64.
2374 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
2375 Reformat example code in comments.
2376 (set_extends): Remove UNSPEC/v8plus_clear_high case.
2377 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
2378 of deferred case vectors we need to output.
2379 (sparc_defer_case_vector): Record a case vector.
2380 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
2381 sparc_output_deferred_case_vectors): New functions to output them.
2382 (sparc_emit_set_const32): New function to form 32-bit constants in
2383 registers when that requires more than one instruction.
2384 (safe_constDI, sparc_emit_set_const64_quick1,
2385 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
2386 analyze_64bit_constant, const64_is_2insns,
2387 create_simple_focus_bits, sparc_emit_set_const64): New functions
2388 which do the same for 64-bit constants when arch64.
2389 (sparc_emit_set_symbolic_const64): New function to emit address
2390 loading for all code models on v9.
2391 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
2392 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
2393 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
2394 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
2395 inaccuracies in comments, add symbolic and text_segment operands
2396 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
2397 GENERAL_REGS in these cases as a temp REG is needed to load these
2398 addresses into a register properly.
2399 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
2401 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
2402 quads are guarenteed to have 16-byte alignment.
2403 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
2404 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
2405 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
2406 deferred case vector implementation.
2407 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
2408 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
2409 Generate "internal label - label" instead of "label - 1b".
2410 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
2411 (PREDICATE_CODES): Remove sparc_operand, move_operand,
2412 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
2414 (doublemove_string, output_block_move, output_fp_move_double,
2415 output_fp_move_quad, output_move_double, output_move_quad,
2416 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
2417 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
2418 (sparc_emit_set_const32, sparc_emit_set_const64,
2419 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
2420 mem_min_alignment, small_int_or_double): Add externs.
2421 * config/sparc/sparc.md: Document the many uses of UNSPEC and
2422 UNSPEC_VOLATILE in this backend.
2423 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
2424 unary to types which execute in it.
2425 (define_function_unit ieu_shift): Rename to ieu0.
2426 (define_function_unit ieu1): New, executes compare, call, and
2427 uncond_branch type insns.
2428 (define_function_units for type fdivs, fdivd, fsqrt): These
2429 execute in the fpu multiply unit not the adder on UltraSparc.
2430 (define_expand cmpdi): Disallow TARGET_V8PLUS.
2431 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
2432 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
2433 allows the arith_double_operand predicate and rHI constraint when
2435 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
2436 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
2437 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
2438 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
2439 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
2440 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
2441 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
2442 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
2443 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
2444 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
2445 sign_extendqihi2_insn, sign_extendqisi2_insn,
2446 sign_extendqidi2_insn, sign_extendhidi2_insn,
2447 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
2448 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
2449 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
2450 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
2451 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
2452 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
2453 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
2454 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
2455 smulsi3_highpart_v8plus, unnamed subreg mult,
2456 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
2457 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
2458 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
2459 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
2460 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
2461 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
2462 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
2463 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
2464 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
2465 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
2466 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
2467 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
2468 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
2469 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
2470 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
2471 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
2472 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
2473 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
2474 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
2475 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
2476 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
2477 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
2478 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
2479 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
2480 call_address_untyped_struct_value_sp32,
2481 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
2482 call_value_symbolic_sp32, call_value_address_sp64,
2483 call_value_symbolic_sp64, branch_sp32, branch_sp64,
2484 flush_register_windows, goto_handler_and_restore,
2485 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
2486 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
2487 return_addsi, return_di, return_adddi, return_sf, all call+jump
2488 peepholes, trap, unnamed trap insns): Prettify output strings.
2489 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
2490 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
2491 Likewise and force + implement splits for integer cases.
2492 (define_insn return_sf_no_fpu): Likewise and allow to match when
2493 no-fpu because of our subreg SFmode splits.
2494 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
2495 zero_extendqidi2_insn, zero_extendhidi2_insn,
2496 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
2497 input_operand for second operand.
2498 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
2499 reg_or_0_operand for operand 2 so new splits can use it.
2500 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
2501 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
2503 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
2504 CONST_DOUBLEs for operand 2.
2505 (define_insn move_label_di): Likewise and label distance
2506 optimization because it no longer works with new deferred case
2507 vector scheme. To be revisited.
2508 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
2509 and allow reg_or_0_operand and J constraint for second operand.
2510 (define_insn jump): Set branch predict taken on V9.
2511 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
2512 new deferred case vector scheme.
2513 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
2514 (define_insn negdi2_sp32): Force + implement splits.
2515 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
2516 one_cmplsi2_not_liveg0 respectively, and create expander of original
2517 names which emit special rtl for TARGET_LIVE_G0.
2518 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
2519 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
2520 gen_compare_reg, FAIL instead.
2521 (define_insn sgtu, sleu): Likewise and check gen_s*() return
2522 values when trying to reverse condition codes, if they FAIL then
2524 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
2525 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
2526 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
2527 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
2528 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
2529 set output string to # to indicate they are mandatory splits.
2530 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
2531 pic_sethi_di, move_pic_label_si): Remove.
2532 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
2533 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
2535 (define_expand movsi_pic_label_ref, define_insn
2536 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
2537 expander and insns to handle PIC label references and deferred
2539 (define_insn get_pc_via_rdpc): Comment out as it is no longer
2541 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
2542 Rewrite to not use emit_move_sequence, make use of new constant
2543 formation code, and new splits for all multi-insn cases.
2544 (define_insn movqi_insn): Remove sethi case, it can never happen.
2545 Use reg_or_zero_operand instead of const0_rtx explicit test,
2546 use input_operand instead of move_operand for source, and use
2547 general_operand now for dest.
2548 (define_insn movhi_insn): Similar but leave sethi case.
2549 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
2550 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
2551 movhi_lo_sum respectively, prettify output string.
2552 (define_insn movsi_zero_liveg0): New pattern to put zero into a
2553 register when needed on TARGET_LIVE_G0.
2554 (define_insn movsi_insn): Use general_operand and input_operand
2555 for dest and src respectively. Simplify applicability test.
2556 Prettify output strings, and add clr alternative for J
2558 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
2559 deprecated std and reg-reg DI moves): Remove and...
2560 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
2561 implementation which uses forced splits for all non-single insn
2563 (define_split DI move cases on !arch64): New splits to handle all
2564 situations of 64-bit double register DImode on 32bit, and
2565 unaligned registers and memory addresses for all subtargets.
2566 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
2568 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
2569 input_operand for dest and src respectively, prettify output
2571 (define_insn movdf_insn, movdf_no_e_insn, store_df,
2572 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
2574 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
2575 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
2576 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
2577 movtf_no_e_insn_sp64) Replace with new
2578 implementation which uses forced splits for all non-single insn
2580 (define_split DF move cases): New splits in similar vein to DI
2582 (define_insn sethi_di_medlow, sethi_di_medium_pic,
2583 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
2584 movdi_sp64_insn): Remove old v9 code model and constant loading
2586 (define_insn pic_lo_sum_di, pic_sethi_di,
2587 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
2588 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
2589 embmedany_sethi, embmedany_losum, embmedany_brsum,
2590 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
2591 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
2592 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
2593 scheme, using unspecs, secondary reloads, and one to one sparc
2594 insn to rtl insn mapping for better scheduling and code gen.
2595 (define_expand reload_indi, reload_outdi): Reload helpers for
2596 MEDANY and EMBMEDANY symbol address loading cases which require a
2598 (define_expand movsicc): Remove v8plus_regcmp cases.
2599 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
2600 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
2601 cmp_diqi_trunc_set): New patterns used by some of the new scc
2603 (define_insn xordi3_sp64_dbl): New pattern used for constant
2604 formation when crossing from 32-bit targets.
2605 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
2607 (define_insn addx, subx): Make visible and prettify.
2608 (define_insn adddi3_insn_sp32): Likewise and force split.
2609 (define_insn addx_extend, subx_extend, unnamed): New patterns for
2610 64bit scc split usage.
2611 (define_insn unnamed plusDI zero_extend, unnamed minusDI
2612 zero_extend, subdi3): Force and implement splits.
2614 * final.c (final_scan_insn): Don't output labels if target
2615 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
2618 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
2619 don't forget to walk inside SEQUENCESs too as these are what the
2620 delay slot scheduler will create.
2622 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
2624 * alpha.md (extxl+1,+2): New patterns to work around
2627 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
2629 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
2630 caused bad assembly code to be generated.
2632 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
2634 * netbsd.h: Fix typo.
2636 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
2638 * config.sub: Fix typo.
2640 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
2642 * invoke.texi (Environment Variables): Typo: Change "ascpects"
2644 (Running Protoize): Typo: Change "ther" into "other".
2646 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
2648 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
2649 * m68k/netbsd.h: Likewise.
2650 * ns32k/netbsd.h: Likewise.
2651 * sparc/netbsd.h: Likewise.
2653 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
2655 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
2656 * ginclude/va-clipper.h (va_list): Likewise.
2658 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
2660 * rs6000.c (rs6000_override_options): If big endian and -Os, use
2661 load/store multiple instructions unless user overrides.
2663 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
2665 * ns32k/netbsd.h: Fix typo.
2667 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
2669 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
2670 labels with .debugsym if no parallel insns.
2672 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
2674 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
2675 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
2677 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
2679 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
2680 (AR_FOR_TARGET): Define.
2682 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
2684 * dyn-string.h: New file.
2685 * dyn-string.c: Likewise.
2686 * Makefile.in (OBJS): Add dyn-string.o.
2687 (dwarf2out.o): Add dyn-string.h dependency.
2688 (dyn-string.o): List dependencies.
2689 * dwarf2out.c: Include dyn-string.h.
2690 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
2691 (addr_const_to_string): Take a dyn_string_t, not a char* as a
2692 prototype. Use dyn_string_append rather than strcat, throughout.
2693 (addr_to_string): Use dyn_string_t.
2695 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
2697 Function entry/exit profiling instrumentation:
2698 * expr.h (profile_function_entry_libfunc,
2699 profile_function_exit_libfunc): Declare new variables.
2700 * optabs.c: Define them here.
2701 (init_optabs): Initialize them.
2702 * tree.h (struct tree_decl): New flag
2703 no_instrument_function_entry_exit.
2704 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
2705 * c-decl.c (duplicate_decls): Merge it.
2706 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
2707 (init_attributes): Use it for "no_instrument_function".
2708 (decl_attributes): Handle it, for functions that have not yet been
2709 compiled. Set decl flag.
2710 * flags.h (flag_instrument_function_entry_exit): Declare new
2712 * toplev.c (flag_instrument_function_entry_exit): Define it here.
2713 (f_options): New option "instrument-functions".
2714 * function.h (struct function): New field instrument_entry_exit.
2715 * function.c (current_function_instrument_entry_exit): New
2717 (push_function_context_to, pop_function_context_from): Save and
2719 (expand_function_start): Set current_ variable, maybe emit return
2720 label and entry profile call.
2721 (expand_function_end): Maybe emit exit profile call.
2723 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
2725 * i386.md (movqi): When optimizing a load of (const_int 1) into a
2726 NON_QI_REG_P, pretend the register is SImode.
2728 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
2730 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
2731 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
2732 manufacturer id for ns32k.
2733 * configure: Regenerated.
2734 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
2735 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
2736 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
2737 * config/m68k/netbsd.h: Same.
2738 * config/ns32k/netbsd.h: Same.
2739 * config/sparc/netbsd.h: Same.
2741 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
2743 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
2744 or UNROLL_COMPLETELY loop that starts with a jump to its
2747 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
2749 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
2750 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
2751 (print_operand, case 'B'): Don't fall through.
2752 (print_operand, case 'S'): Correct mask begin/end computation.
2753 Use HOST_BITS_PER_WIDE_INT.
2754 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
2755 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
2756 * rs6000/aix41.h (CPP_PREDEFINES): Same.
2757 * rs6000/aix43.h (CPP_PREDEFINES): Same.
2759 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
2761 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
2762 constraint from second alternative.
2764 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2766 * configure.in: Fix --without/--disable cases for local-prefix,
2767 gxx-include-dir and checking.
2769 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2771 * configure.in (enable_haifa): Set by default for sparc64 too.
2774 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2776 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
2777 * i386/winnt.c (associated_type): New fn.
2778 (i386_pe_valid_type_attribute_p): New fn.
2779 (i386_pe_check_vtable_importexport): Remove.
2780 (i386_pe_dllexport_p): Use associated_type.
2781 (i386_pe_dllimport_p): Likewise.
2783 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
2784 * i386.c (i386_valid_type_attribute_p): Also accept
2785 attributes for METHOD_TYPEs.
2787 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
2789 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
2791 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
2793 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
2795 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
2796 them from generating a new base name for each occurence of
2799 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
2801 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
2803 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
2807 * cplus-dem.c (type_kind_t): New type.
2808 (demangle_template_value_parm): Add type_kind_t parameter. Rely
2809 on this paramter, rather than demangling the type again.
2810 (demangle_integral_value): Pass tk_integral.
2811 (demangle_template_: Pass the value returned from do_type.
2812 (do_type): Return a type_kind_t. Pass tk_integral to
2813 demangle_template_value_parm for array bounds.
2814 (demangle_fund_type): Likewise.
2816 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
2818 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
2821 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
2823 * pa.c (move_operand): Accept CONSTANT_P_RTX.
2825 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
2827 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
2829 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
2832 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
2834 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
2835 (DEBUGGER_ARG_OFFSET): Likewise.
2837 * mn10300.md (movsf): Remove last change. Not needed.
2839 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
2841 * c-lex.c (yylex): Fix boundary conditions in character literal and
2842 string literal loops.
2844 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
2846 * longlong.h (count_leading_zeros): Sparclite scan instruction was
2847 being invoked incorrectly.
2849 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
2850 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
2852 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
2853 * configure.in: Added i[34567]86-*-win32
2854 * config.sub: Ditto.
2855 * configure: Rebuilt.
2857 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
2859 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
2860 the frame pointer and compiling PIC code and reload has not completed.
2862 * i386.c (output_to_reg): Add code to emulate non-popping DImode
2865 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
2867 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
2869 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2871 * Makefile.in (install-info): Only try to update the info
2872 directory file if it exists in the first place.
2874 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
2876 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
2878 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
2880 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
2881 CONST_DOUBLE source.
2883 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
2885 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
2886 strings as the insertion of USER_LABEL_PREFIX.
2887 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
2889 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
2892 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
2894 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
2895 already defined type.
2897 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
2899 * expr.c (check_max_integer_computation_mode): Allow conversions
2900 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
2901 (expand_expr): Likewise.
2903 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2905 * expr.c (expand_expr): Expand RETURN_EXPR.
2907 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
2909 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
2911 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
2913 * dwarf2out.c (output_aranges): Call stripattributes
2914 for TEXT_SECTION references.
2915 (output_line_info): Likewise.
2917 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2919 * profile.c (branch_prob): Call allocate_reg_info after outputting
2920 profile rtl in instrument_arcs.
2922 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
2924 * fixinc.irix (math.h): Install wrapper instead of copying.
2926 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2928 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
2929 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
2930 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
2931 lang_flag_0. Added documentation in the flag table.
2933 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
2935 * cccp.c (do_include): Fix vax c style include handling.
2937 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2939 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
2941 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
2943 * fold-const.c (non_lvalue): Don't deal with null pointer
2945 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
2947 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
2949 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
2950 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
2951 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
2952 (u_short_cint_operand): Same.
2953 (reg_or_cint_operand): Same.
2954 (logical_operand): Same.
2955 (input_operand): Same.
2956 (reg_or_short_operand): Use u_short_cint_operand.
2958 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
2960 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
2961 but keep the insns and splits. Adjust so when the ultimate destination
2962 is memory, use cvtql.
2964 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
2966 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
2968 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
2970 * gcc.c (do_spec): Call "error" not "warning".
2972 * configure.in: Fix minor problems with gas feature detection code.
2973 * configure: Rebuilt.
2975 * gcc.c (do_spec): Issue a warning for '%[]' usage.
2978 * gcc.c: Delete %[spec] support.
2979 (do_spec_1, case '('): Likewise.
2980 (do_spec_1, case '['): Call error.
2982 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
2984 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
2985 (CPP_SUBTARGET_SPEC): Default to empty string.
2986 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
2987 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
2988 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
2989 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
2991 * alpha/linux.h (CPP_PREDEFINES): Tidy.
2992 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
2993 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
2994 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
2995 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
2996 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
2997 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
2998 * alpha/vxworks.h: Likewise.
3000 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
3002 * mips.md (reload_outsi): Added missing REGNO call.
3003 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
3005 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
3006 another match_operator and compare the codes.
3008 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
3010 * MIPS multiply pattern fixes:
3011 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3012 Add union classes for HI, LO, or HILO plus general registers.
3013 (GENERATE_MADD): Deleted.
3014 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
3015 Add TARGET_MAD to condition.
3016 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
3017 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
3018 "*d" for accumulator, to give preference to LO initially but not
3021 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
3023 * configure.in (enable_c_mbchar): New configure option.
3024 (extra_cpp_objs): Always available now.
3026 * cexp.y (mbchar.h): #include it.
3027 (yylex): Handle Multibyte characters in character literals.
3029 * cccp.c (mbchar.h): #include it.
3030 (main): Set character set based on LANG environment variable.
3031 (rescan): Handle multibyte characters in comments.
3032 (skip_if_group): See above.
3033 (validate_else): See above.
3034 (skip_to_end_of_comment): See above.
3035 (macarg1): See above.
3036 (discard_comments): See above.
3037 (rescan): Handle multibyte characters in string and character literals.
3038 (collect_expansion): See above.
3039 (skip_quoted_string): See above.
3040 (macroexpand): See above.
3041 (macarg1): See above.
3042 (discard_comments): See above.
3043 (change_newlines): See above.
3045 * c-lex.c (mbchar.h): #include it.
3046 (GET_ENVIRONMENT): New macro.
3047 (init_lex): Set character set based on LANG environment variable.
3048 (yylex): Handle multibyte characters in character literals.
3049 (yylex): Handle multibyte characters in string literals.
3051 * Makefile.in (mbchar.o): New target.
3052 (cccp$(exeext)): @extra_cpp_objs@ is always available.
3053 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
3055 * mbchar.[ch]: New files for multibyte character handling.
3057 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3059 * jump.c (jump_optimize): When simplifying noop moves and
3060 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
3061 the PUSHes to rewrite in second loop as we did in the first.
3063 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3065 * cplus-dem.c (demangle_nested_args): Make function definition
3066 static to match the prototype.
3068 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
3070 * alloca.c: Respect USE_C_ALLOCA.
3071 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
3072 * gengenrtl.c (xmalloc): Likewise.
3074 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
3076 * loop.h (struct induction): Add no_const_addval.
3077 * loop.c (the_movables, reg_address_cost): New variables.
3078 (init_loop): Init reg_address_cost.
3079 (loop_optimize): Call end_alias_analysis.
3080 (scan_loop): Init the_movables.
3081 (record_giv): Init induction->no_const_addval.
3082 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
3083 [REG]: Rearrange loop search test to catch more cases.
3084 (general_induction_var): Return success not benefit; take an extra
3085 argument for that. Change all callers.
3086 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
3087 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
3088 [default]: Search the_movables for additional combinations.
3089 (sge_plus_constant, sge_plus): New functions.
3090 (express_from_1): New function.
3091 (express_from): Always define. Rewrite using express_from_1.
3092 (combine_givs_p): Handle more cases. Ignore address cost.
3093 (cmp_combine_givs_stats): New function.
3094 (combine_givs_used_once, combine_givs_benefit_from): New functions.
3095 (combine_givs): Rewrite to do best-fit combination.
3097 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
3098 (fold): Do a complete (A*C)+(B*C) association check.
3100 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
3102 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
3104 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
3106 * mn10300.c (MODES_TIEABLE_P): Fix typo.
3108 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
3110 * tree.c (valid_machine_attribute): Only create a new type variant if
3111 there is a decl to use it.
3113 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
3115 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
3118 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
3120 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
3123 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
3125 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
3126 Simplify tests for clearing an address register.
3127 (expand_prologue): Corresponding changes.
3129 * mn10300.md (movXX patterns): Make sure the destination is an
3130 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
3131 (logical patterns): Split into expanders + patterns
3132 (zero and sign extension patterns): Similarly.
3133 (shift patterns): Similarly.
3135 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
3137 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
3138 for the sequence, recording base values.
3140 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
3142 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
3144 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
3146 * gcc.c: Remove ANSI-C ism from --help code.
3148 * toplev.c: Support --help with USE_CPPLIB.
3150 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
3152 * configure.in: Rework gas feature code to work with symlink based
3155 * extend.texi: Clarify some issues related to local variables
3156 assigned to explicit registers.
3158 * mn10300.md (mulsi): Turn into expander + pattern.
3160 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
3163 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
3165 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
3167 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
3169 * version.c: Bump again to distinguish mainline tree from the
3172 See ChangeLog.0 for earlier changes.
3175 add-log-time-format: current-time-string