1 Mon Apr 26 01:30:59 1999 Donn Terry <donn@interix.com>
3 * expr.c (expand_assignment): Improve test for pointer type.
5 Mon Apr 26 00:26:18 1999 Richard Henderson <rth@cygnus.com>
7 * alpha.c (print_operand_address): Account for the subreg word.
9 Mon Apr 26 01:08:36 1999 Toshiyasu Morita (tm@netcom.com)
11 * fold-const.c (make_range): Always initialize arg0 and arg1.
12 (fold): Simlarly for alt0 and alt1.
13 * function.c (fixup_var_refs_insns): Initialize insn_list.
14 (instantiate_virtual_regs_1): Initialize offset.
15 * optabs.c (expand_binop): Initialize carry_in, carry_out, op0_xhigh
17 * stmt.c (expand_end_case): Initialize minval and maxval.
19 Mon Apr 26 01:02:34 1999 Nathan Sidwell <nathan@acm.org>
21 * toplev.c (report_error_function): Reorder file stack and
22 function name printing. Ignore FILE parameter.
24 Mon Apr 26 00:58:54 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26 * pa/pa-hpux.h, pa/pa-hpux10.h, pa/pa-hpux9.h, pa/pa-osf.h, pa.h,
27 pa.c, pa.md, configure.in, configure: Replace TARGET_SNAKE by
28 TARGET_PA_11 and MASK_SNAKE by MASK_PA_11.
30 Mon Apr 26 00:28:25 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
32 * flags.h (inline_max_insns): Declare.
33 * integrate.c (inline_max_insns): New variable.
34 (function_cannot_inline_p): Use it.
35 * toplev.c (main): Add the flag -finline-limit-n.
36 (display_help): Document -finline-limit-n.
37 * invoke.texi: Document -finline-limit-n
39 Sun Apr 25 23:03:32 1999 Richard Henderson <rth@cygnus.com>
41 * stmt.c (expand_asm_operands): Reload in-out reg-only memory operands.
43 Sun Apr 25 13:06:13 1999 Richard Henderson <rth@cygnus.com>
45 * function.c (assign_parms/STACK_BYTES): Revert last change,
48 Sun Apr 25 12:30:50 1999 Richard Henderson <rth@cygnus.com>
50 * calls.c (emit_call_1): New arg rounded_stack_size; update callers.
51 Update pending_stack_adjust based on this value.
52 (compute_argument_block_size): Include pending_stack_adjust in
53 PREFERRED_STACK_BOUNDARY alignment.
54 * function.c (assign_parms): Don't round to PREFERRED_STACK_BOUNDARY.
56 Sun Apr 25 14:38:10 EDT 1999 John Wehle (john@feith.com)
58 * stupid.c (stupid_mark_refs): Generate a REG_UNUSED note
59 for a register which is clobbered even if the register
60 was used by an earlier instruction.
62 * i386.md (fix_truncsfdi2, fix_truncdfdi2,
63 fix_truncxfdi2): Don't bother with the gen_reg_RTX.
64 (fix_truncsfsi2, fix_truncsfdi2, fix_truncdfsi2,
65 fix_truncdfdi2, fix_truncxfsi2, fix_truncxfdi2): Update
66 operand constraints and modes.
67 * i386.c (output_fix_trunc): Use HImode register to avoid
68 memory stalls. Call output_move_double instead of output_to_reg.
69 (output_to_reg): Remove.
72 * i386.md (negsf2, negdf2, negxf2): Set the type
75 Sat Apr 24 23:15:57 1999 Donn Terry (donn@interix.com)
77 * alpha.md (call_value_nt): Correct subscripts.
79 Sat Apr 24 20:49:20 1999 Richard Henderson <rth@cygnus.com>
81 * alpha.h (PRINT_OPERAND_ADDRESS): Break out to ...
82 * alpha.c (print_operand_address): here. Handle subregs.
84 Fri Apr 23 22:35:41 EDT 1999 John Wehle (john@feith.com)
86 * acconfig.h (HAVE_GAS_FILDS_FISTS): Add.
87 * configure.in: Check assembler instructions.
89 * config.in: Likewise.
90 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
91 * i386.c (print_operand): Use the proper suffix for a 387 HImode
92 operand. Abort if a 387 operand has an unsupported size.
94 Fri Apr 23 16:57:40 1999 Richard Henderson <rth@cygnus.com>
96 * alpha.c (alpha_write_verstamp): Mark `file' unused.
97 * alpha.h (FUNCTION_VALUE): Use gen_rtx_REG not gen_rtx.
98 (LIBCALL_VALUE): Likewise.
99 (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Handle normal subregs.
101 Fri Apr 23 14:57:33 1999 Donn Terry <donn@interix.com>
103 * alpha32.h (INITIALIZE_TRAMPOLINE): Get offsets right.
105 * alpha.c (alpha_initialize_trampoline): Add covert_memory_address
108 Fri Apr 23 14:36:47 1999 Richard Henderson <rth@cygnus.com>
110 * alpha.c (alpha_expand_prologue): Don't negate frame size
113 Fri Apr 23 09:43:18 1999 Nick Clifton <nickc@cygnus.com>
115 * print-rtl.c (print_rtx): Display LABEL_NUSES for labels.
117 Thu Apr 22 23:08:37 1999 Mark Mitchell <mark@codesourcery.com>
119 * toplev.h (wrapup_global_declarations): Declare.
120 (check_global_declarations): Likewise.
121 * toplev.c (wrapup_global_declarations): New function, split out
123 (check_global_declarations): Likewise...
124 (compile_file): Here.
126 Thu Apr 22 22:34:41 1999 Richard Henderson <rth@cygnus.com>
128 * c-parse.in (expr_no_commas): Verify we've an expr before
129 calling C_SET_EXP_ORIGINAL_CODE.
131 Thu Apr 22 22:22:15 EDT 1999 John Wehle (john@feith.com)
133 * toplev.c (rest_of_compilation): Always set
134 current_function_uses_only_leaf_regs appropriately.
136 Thu Apr 22 14:39:43 1999 Mumit Khan <khan@xraylith.wisc.edu>
138 * i386/xm-cygwin.h (HAVE_BCOPY): Delete unneeded macro.
139 (HAVE_BZERO): Likewise.
140 (HAVE_BCMP): Likewise.
141 (HAVE_RINDEX): Likewise.
142 (HAVE_INDEX): Likewise.
143 (DIR_SEPARATOR_2): Define.
144 (GET_ENV_PATH_LIST): Turn path lists into POSIX.
145 (PATH_SEPARATOR): Use ':'.
147 1999-04-22 Bruce Korb <ddsinc09@ix.netcom.com>
149 * configure.in: enable disabling of fast fixincludes
150 * configure: regenerate
152 1999-04-21 14:55 -0400 Zack Weinberg <zack@rabi.columbia.edu>
154 * gen-protos.c: #undef abort after including system.h.
155 Delete defns of fancy_abort and fatal.
156 * fix-header.c: Delete defn of fancy_abort.
158 Wed Apr 21 12:09:38 1999 Mumit Khan <khan@xraylith.wisc.edu>
160 * cccp.c (simplify_filename): Always preserve leading double slash.
162 Wed Apr 21 18:15:55 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
164 * config/c4x/c4x.md: Add new peepholes to remove redundant loads.
166 Wed Apr 21 17:41:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
168 * config/c4x/c4x.md (binary patterns): Reorder alternatives
169 so that two operand instructions are chosen before three operand
172 Tue Apr 20 23:38:58 1999 Nathan Sidwell <nathan@acm.org>
174 * objc/Make-lang.in (objc-parse.c): Put BISON parameters in correct
177 * Makefile.in (c-parse.c): Put BISON parameters in correct
180 Tue Apr 20 16:38:11 1999 Richard Henderson <rth@cygnus.com>
182 * alpha.md (nt_lda): New pattern.
183 * alpha.c (alpha_expand_prologue): Use it for large frames
186 Tue Apr 20 17:57:14 1999 Catherine Moore <clm@cygnus.com>
188 * config/arm/arm.md (movhi): Add check for odd offset.
190 Tue Apr 20 13:14:58 EDT 1999 John Wehle (john@feith.com)
192 * i386.c (output_move_double): Abort if a non-offsettable
193 memory operand is encountered. Delete unused code.
194 (find_addr_reg): Remove.
196 Mon Apr 19 21:13:02 1999 Craig Burley <craig@jcb-sc.com>
198 * tree.def (BLOCK): Fix typo in comment.
200 1999-04-19 14:51 -0400 Zack Weinberg <zack@rabi.columbia.edu>
202 * cpplib.c (output_line_command): Drop CONDITIONAL argument.
203 We can omit unnecessary line commands if file_change ==
204 same_file and pfile->lineno != 0. All callers changed.
205 (cpp_get_token [case '\n']): Don't bump pfile->lineno if
206 CPP_OPTIONS (pfile)->no_line_commands is set.
207 * cpplib.h: Fix prototype of output_line_command.
209 1999-04-18 17:46 -0400 Zack Weinberg <zack@rabi.columbia.edu>
211 * cppfiles.c (find_position, read_and_prescan): Use `unsigned
212 long' variables consistently to count line and column numbers.
214 Sun Apr 18 15:50:33 EDT 1999 John Wehle (john@feith.com)
216 * output.h (current_function_is_leaf,
217 current_function_uses_only_leaf_regs): Declare.
218 * function.c (current_function_is_leaf,
219 current_function_uses_only_leaf_regs): Define.
220 (init_function_start): Initialize current_function_is_leaf
221 and current_function_uses_only_leaf_regs.
222 * final.c (leaf_function): Don't define.
223 (final_start_function): Replace uses of leaf_function with
224 current_function_uses_only_leaf_regs.
225 * toplev.c (rest_of_compilation): Set current_function_is_leaf
226 prior to invoking local register allocation.
227 (rest_of_compilation): Replace uses of leaf_function with
228 current_function_uses_only_leaf_regs.
229 * dbxout.c (dbxout_symbol, dbxout_parms): Likewise.
230 * dwarf2out.c (add_location_or_const_vaule_attribute): Likewise.
231 * dwarfout.c (add_location_or_const_value_attribute): Likewise.
232 * sdbout.c (sdbout_symbol): Likewise.
233 * sparc.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
234 * sparc.c (eligible_for_epilogue_delay, output_return,
235 sparc_return_peephole_ok): Likewise.
236 * sparc.md (leaf_function attribute, untyped_return): Likewise.
237 * i386.c (ix86_compute_frame_size): Don't align the stack
238 for leaf functions which don't allocate any stack slots.
239 * tm.texi: Update documentation.
241 Sun Apr 18 02:15:09 PDT 1999 Jeff Law (law@cygnus.com)
243 * version.c: Bump for snapshot.
245 Sun Apr 18 00:08:45 1999 Richard Henderson <rth@cygnus.com>
247 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Correct last change --
248 make sure FP_BASE_P registers are only used with an integer.
250 Sat Apr 17 22:54:17 1999 Richard Henderson <rth@cygnus.com>
252 * alpha.h (REG_OK_FP_BASE_P): New macro.
253 (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Use it.
254 * alpha.md (adddi3+1): New insn to handle large constants off
255 the soft frame pointer.
256 (adddi3+2): Don't split soft frame pointer or arg pointer additions.
258 Sun Apr 18 17:24:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
260 * config/c4x/c4x.c (legitimize_operands): Use rtx_cost
261 to determine if it is worthwhile forcing a constant into a register.
262 * config/c4x/c4x.h (CONST_COSTS): An integer value of 255 or 65535
263 used with a logical and or an integer value of 16 or 24 used with
264 a right shift has zero cost on the C40.
266 Sat Apr 17 21:30:11 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
268 * gcse.c (compute_local_properties): If setp is nonzero, clear
269 TRANSP instead of setting it to all ones.
271 Sat Apr 17 21:10:10 1999 Jan Hubicka <hubicka@freesoft.cz>
273 * i386.c (i386_preferred_stack_boundary_string): New global variable.
274 (i386_preferred_stack_boundary): New global variable.
275 (override_functions): Set it. Tidy option setting code.
276 * i386.h (TARGET_OPTIONS): New command line option.
277 (i386_preferred_stack_boundary_string): Declare it.
278 (i386_preferred_stack_boundary): Likewise.
279 (PREFERRED_STACK_BOUNDARY): Use i386_preferred_stack_boundary.
281 Sat Apr 17 19:22:38 1999 Jan Hubicka <hubicka@freesoft.cz>
283 * i386.c (k6_cost): Take into account the decoding time.
285 Sat Apr 17 19:13:22 1999 Donn Terry <donn@interix.com>
287 * i386.h (PRINT_OPERAND_PUNCT_VALID_P): Allow _.
288 * i386.c (print_operand): New %_ operator.
289 (load_pic_register): Proper number of leading _ in GOT literal.
290 * i386.md (prologue_get_pc_and_set_got): Likewise.
291 * i386/unix.h (ASM_OUTPUT_MI_THUNK): Likewise.
293 Sat Apr 17 19:13:07 1999 Richard Henderson <rth@cygnus.com>
295 * alpha.c (alpha_expand_prologue): Use gen_adddi3 instead of
296 emit_move_insn+plus_constant. For NT, don't use the stack probe
297 loop pointer to allocate stack space.
298 * alpha.md (adddi3): Always use lda to set the stack pointer.
300 1999-04-17 20:11 -0400 Zack Weinberg <zack@rabi.columbia.edu>
302 * c-aux-info.c, emit-rtl.c, explow.c, expmed.c, gcse.c,
303 haifa-sched.c, optabs.c, reorg.c, resource.c, sched.c: Include
304 toplev.h for real declaration of trim_filename.
305 * Makefile.in: Update dependencies.
307 Sat Apr 17 14:36:19 1999 Craig Burley <craig@jcb-sc.com>
309 * tree.c (chainon): Check for circularity only if
310 ENABLE_CHECKING is defined.
312 1999-04-17 10:15 -0400 Zack Weinberg <zack@rabi.columbia.edu>
314 * cccp.c: Make fatal non-static.
316 Sat Apr 17 23:47:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
318 * config/c4x/c4x.md (*andqi3_255_clobber,*andqi3_65535_clobber):
319 New logical and patterns using C40 bit-field insert instructions.
320 (*lshrqi3_24_clobber,*ashrqi3_24_clobber,*lshrqi3_16_clobber,
321 *ashrqi3_16_clobber): New shift patterns using C40 bit-field insert
324 1999-04-16 22:44 -0400 Zack Weinberg <zack@rabi.columbia.edu>
326 * system.h: Always prototype abort. Prototype fatal. Define
327 abort to call fatal, not fprintf/exit. Define a stub macro
329 * toplev.c: Define DIR_SEPARATOR. (trim_filename): New
331 * toplev.h: Prototype trim_filename, and #undef system.h's stub.
333 * gcc.c, genattr.c, genattrtab.c, gencodes.c, genconfig.c,
334 genemit.c, genextract.c, genflags.c, genopinit.c, genoutput.c,
335 genpeep.c, genrecog.c: Make fatal non-static.
336 * gcov.c, gengenrtl.c, protoize.c: #undef abort after
339 * config/i386/dgux.h, config/m68k/xm-amix.h: Remove stale code
342 Sat Apr 17 11:25:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
344 * config/c4x/c4x.md (mulqf3_clrqf_clobber, mulqi3_clrqi_clobber):
345 New patterns to support parallel multiply and load of zero.
347 Fri Apr 16 01:23:47 1999 Jason Merrill <jason@yorick.cygnus.com>
349 * tree.c (valid_machine_attribute): If we're modifying the
350 FUNCTION_TYPE within a POINTER_TYPE and we don't get a decl,
351 update the POINTER_TYPE.
353 Fri Apr 16 00:19:31 1999 Jan Hubicka <hubicka@freesoft.cz>
355 * i386.c (x86_adjust_cost): Move break statement to correct place.
357 Thu Apr 15 23:17:33 1999 Jerry Quinn <jquinn@nortelnetworks.com>
359 * pa.h (HAVE_PRE_INCREMENT, HAVE_POST_INCREMENT,
360 HAVE_PRE_DECREMENT, HAVE_POST_DECREMENT): Fix pa_cpu value from
361 8000 to PROCESSOR_8000.
363 Thu Apr 15 20:46:57 1999 Donn Terry (donn@interix.com)
365 * expr.c (expand_assignment): Force pointers to proper mode if
366 POINTERS_EXTEND_UNSIGNED is defined.
368 * xm-alpha.h (alloca.h): Add Interix to list of special machines
369 that don't like alloca.h, pending using autoconf results.
371 * except.c (start_catch_hadler): Be sure rtime_address is Pmode
372 if POINTERS_EXTEND_UNSIGNED.
374 * except.c (expand_eh_return): Force pointers to proper mode if
375 POINTERS_EXTEND_UNSIGNED.
377 Thu Apr 15 23:13:35 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
379 * config/c4x/c4x.h: Tweaked comment formatting.
380 * config/c4x/c4x.c: Likewise.
382 Thu Apr 15 02:45:19 1999 Mumit Khan <khan@xraylith.wisc.edu>
384 * aclocal.m4 (GCC_FUNC_MKDIR_TAKES_ONE_ARG): Define.
386 * configure: Rebuilt.
387 * acconfig.h (MKDIR_TAKES_ONE_ARG): Add.
388 * config.in: Rebuilt.
391 Thu Apr 15 01:03:21 1999 Jan Hubicka <hubicka@freesoft.cz>
392 Jeff Law <law@cygnus.com>
394 * i386.md (QImode add pattern): Support lea instruction.
395 (HImode add pattern): Likewise.
397 * i386.md (ashlsi patterns): Call output_ashl instead of output_ashlsi3.
398 (ashlqi): Use expander, separate LEA and SAL / ADD patterns; call
401 * i386.h (output_ashl): Renamed from output_ashlsi3.
402 * i386.c (output_ashl): Likewise; support HImode and QImode operands
405 * i386.md (notsi, nothi, xorsi, xorhi, and xorqi patterns): Call
406 memory_address_displacement_length instead of memory_address_length.
407 * i386.c (memory_address_info): Renamed from memory_address_length.
408 Accept new argument DISP_LENGTH. All callers changed. If DISP_LENGTH,
409 then return the displacement length. Else return length of the
410 entire memory address. Handle MULT case correctly.
411 * i386.h (memory_address_info): Update declaration.
413 * i386.md (memory_bit_test): Fix paren error.
415 Wed Apr 14 21:29:18 1999 Andrew Haley <aph@cygnus.com>
417 * flow.c: (make_edges): Always make edges from a basic block
418 to its exception handlers, even if the block ends with a jump.
420 1999-04-14 23:26 -0400 Zack Weinberg <zack@rabi.columbia.edu>
422 * graph.c (node_data): Return void. Ignore result of
423 print_rtl_single. Change caller to match.
424 * integrate.c (subst_constants): Initialize op0_mode to an
425 invalid mode, and abort before use if it's still invalid.
426 (Can only happen if the RTX_CLASS, RTX_FORMAT tables are corrupted.)
427 * objc/objc-act.c (get_objc_string_decl,
428 build_selector_translation_table, generate_protocol_list,
429 synth_id_with_class_suffix, build_keyword_selector,
430 build_selector_expr, gen_declarator): Abort when the tree
431 structure is corrupted.
433 Wed Apr 14 19:57:49 1999 Jeffrey A Law (law@cygnus.com)
435 * configure.in (alpha interix): Use symbolic names to set
437 * configure: Rebuilt.
439 * explow.c (allocate_dynamic_stack_space): Undo last change. Use
440 convert_memory_address instead.
442 Wed Apr 14 19:42:02 1999 Donn Terry (donn@interix.com)
444 * alpha/lib1funcs.asm: New file.
445 * alpha/t-interix (lib1funcs.asm): Add to build.
447 * explow.c (allocate_dynamic_stack_space): Correctly convert TARGET
450 Wed Apr 14 14:26:36 1999 John Wehle (john@feith.com)
452 * i386.md (truncxfdf): Output the template supplied
453 by output_move_double with the correct operands.
455 * i386.md (extendsfdf, extendsfxf, extenddfxf): Use
456 output_float_extend instead specifying '#' as the template.
457 * i386.c (output_float_extend): Define.
458 * i386.h (output_float_extend): Declare.
460 Wed Apr 14 10:48:03 1999 Catherine Moore <clm@cygnus.com>
462 * config/mips/elf.h, config/mips/elf64.h
463 (CTORS_SECTION_ASM_OP): Define.
464 (DTORS_SECTION_ASM_OP): Define.
465 (EXTRA_SECTIONS): Define.
466 (INVOKE__main): Define.
467 (NAME__MAIN): Define.
468 (SYMBOL__MAIN): Define.
469 (EXTRA_SECTIONS_FUNCTIONS): Define.
470 (SECTION_FUNCTION_TEMPLATE): Define.
471 (ASM_OUTPUT_CONSTRUCTOR): Define.
472 (ASM_OUTPUT_DESTRUCTOR): Define.
473 (CTOR_LIST_BEGIN): Define.
474 (CTOR_LIST_END): Define.
475 (DTOR_LIST_BEGIN): Define.
476 (DTOR_LIST_END): Define.
478 (STARTFILE_SPEC): Define.
479 (ENDFILE_SPEC): Define.
480 * config/mips/linux.h: Undefine all of the above.
481 * config/mips/rtems64.h: Likewise.
482 * config/mips/t-r3900: Likewise.
483 * config/mips/t-elf: New file.
484 * config/mips/vxworks.h: New file.
485 * configure.in (mips-wrs-vxworks): Use mips/vxworks.h.
486 (mips*-*-*elf*): Use t-elf instead of t-ecoff.
487 * configure: Regenerate.
489 Wed Apr 14 09:59:38 1999 Richard Henderson <rth@cygnus.com>
491 * reload1.c (emit_reload_insns): Also find equivalent mems
492 for subregs of pseudos.
494 * alpha.c (aligned_memory_operand): Recognize the output of
495 LEGITIMIZE_RELOAD_ADDRESS. Examine reg_equiv_memory_loc in
496 the event of a pseudo.
497 (unaligned_memory_operand): Likewise. Don't otherwise accept
498 completely illegal addresses.
499 (normal_memory_operand): Likewise. Handle subregs of pseudos.
500 (get_aligned_mem): Revert previous change. Abort if we don't have a
501 mem. During reload, call find_replacement on all illegal memories.
502 (get_unaligned_address): Likewise.
503 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Use !aligned_memory_operand
504 instead of unaligned_memory_operand.
505 * alpha.md: Revert extra argument to get_aligned_mem.
506 (reload_inqi): Use any_memory_operand in constraints. Abort if
507 we're not given some sort of mem.
508 (reload_inhi): Likewise.
509 (reload_outqi, reload_outhi): Likewise.
511 Wed Apr 14 09:39:20 1999 Richard Henderson <rth@cygnus.com>
513 * i386.md (neghi): Use the whole register when widening the op.
515 1999-04-14 12:37 -0400 Zack Weinberg <zack@rabi.columbia.edu>
517 * cpperror.c, cppexp.c, cpplib.c: Never call abort.
518 * cpphash.c: Only call abort when we detect corruption of the
520 * cppmain.c: Don't define fatal or fancy_abort.
522 Wed Apr 14 09:19:39 1999 Jan Hubicka <hubicka@freesoft.cz>
524 * i386.c (x86_adjust_cost): Agi stall takes 1 cycle on Pentium, fst
525 requires value to be ready one extra cycle.
527 Wed Apr 14 11:28:34 1999 Dave Brolley <brolley@cygnus.com>
529 * config/i386/i386.c (memory_address_length): Add missing parenthesis.
531 Wed Apr 14 13:59:27 1999 Martin von Loewis <loewis@informatik.hu-berlin.de>
533 * extend.texi (Deprecated Features): New node.
534 * invoke.texi (-Wdeprecated): Document.
536 Wed Apr 14 00:18:22 1999 Jan Hubicka <hubicka@freesoft.cz>
538 * i386.md (SImode logical compare): Avoid outputing non-pariable testw
539 and testl on Pentium.
540 (register and memory bit tests): Likewise.
541 (setcc, normal and reversed conditional branches): Use shorter
542 sequence for testing flags stored in EAX.
544 * i386.md (xorsi3): Do not output NOT instrctions on Pentium.
549 (nothi2): Likewise; do not output prefixed opcodes when possible.
551 * i386.md (neghi2): Do not output prefixed opcode when possible.
554 Wed Apr 14 00:08:46 1999 Richard Henderson <rth@cygnus.com>
556 * i386.c (memory_address_length): New function.
557 * i386.h (memory_address_length): Declare it.
559 Tue Apr 13 22:52:04 1999 Donn Terry (donn@interix.com)
560 Martin Heller (Ing.-Buero_Heller@t-online.de)
562 * configure.in (interix Alpha): Add.
563 (winnt Alpha): Use alpha32.h
564 (interix i386): Parallel Alpha32.
565 * configure: Rebuilt.
567 * config/interix.h: Move common elements from i386-interix.h.
568 * config/i386/i386-interix.h: Delete same.
569 * config/alpha/alpha-interix.h: New file.
571 * config/alpha/alpha32.h: New file, part fron win-nt.h.
572 * config/alpha/win-nt.h: Deletions (-> alpha32.h).
573 * config/alpha/interix.h: New file
575 * config/alpha/alpha.md (interix): Comment.
577 * config/alpha/xm-alpha-interix.h: New file.
579 * config/alpha/t-interix: New file.
581 * fixinc/mkfixinc.sh (interix/Alpha): Add.
583 1999-04-13 Mike Stump <mrs@wrs.com>
585 * i386/vxi386.h (CPP_CPU_SPEC): Define appropriately for vxworks.
586 (CPP_PREDEFINES, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): likewise.
588 Tue Apr 13 21:01:36 1999 Jason Merrill <jason@yorick.cygnus.com>
590 * c-common.c (default_valid_lang_attribute): New fn.
591 (valid_lang_attribute): New callback ptr.
592 (decl_attributes): Call it. Move init_priority support into
595 Tue Apr 13 17:47:14 1999 John Wehle (john@feith.com)
597 * i386.md (movdi): Add splitter.
599 Wed Apr 14 10:04:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
601 * config/c4x/c4x.md (storeqf_int, storeqf_int_clobber, loadqf_int,
602 loadqf_int_clobber): Add new patterns with corresponding splitters
603 to handle moves of floating point values into and out of intager
604 registers by using memory.
606 * config/c4x/c4x.c (c4x_check_legit_addr): Disallow PRE_INC for modes
607 other than QFmode and QImode.
608 (mixed_subreg_operand): New function.
609 (c4x_emit_move_sequence): If moving a floating point value into or
610 out of an integer register, use the new patterns storeqf_int_clobber
611 or loadqf_int_clobber.
612 (reg_imm_operand, *_reg_operand): Call reg_operand instead of
614 (reg_operand, src_operand): Disallow operand if it satisifes
615 mixed_subreg_operand.
617 * config/c4x/c4x.h (mixed_subreg_operand): Add prototype.
619 Tue Apr 13 14:49:13 1999 Jan Hubicka <hubicka@freesoft.cz>
621 * i386.c (agi_dependent): Handle push operation more correctly.
623 Tue Apr 13 14:45:17 1999 Jan Hubicka <hubicka@freesoft.cz>
625 * i386.md (anddi3): Add % constraint.
626 (iordi3, xordi3): Likewise.
628 Tue Apr 13 14:29:58 1999 Jan Hubicka <hubicka@freesoft.cz>
630 * i386.md (extendhisi2): Output mov instead of cw instruction for K6
631 to improve decoding bandwidth.
632 * i386.md (extendhiqi2): Likewise.
634 Tue Apr 13 14:26:31 1999 Jan Hubicka <hubicka@freesoft.cz>
636 * i386.md (movsf_push): Handle memory to memory case too, new splitter.
637 (movdf_push, movxf_push): Likewise.
638 (movsf_push_memory, movdf_push_memory, movxf_push_memory): Remove.
640 Tue Apr 13 14:14:06 1999 Jan Hubicka <hubicka@freesoft.cz>
642 * i386.md: Do not output mov %0,reg on AMD K6.
644 Tue Apr 13 12:14:07 1999 Dave Brolley <brolley@cygnus.com>
646 * cppinit.c (cpp_start_read): Fix buffer overwrite.
647 * Makefile.in (cppinit.o): Typo in dependencies.
649 Tue Apr 13 05:04:59 1999 Richard Earnshaw (rearnsha@arm.com)
651 * arm.h (function prototypes for arm.c): Ifdef these out if
652 HAVE_CONFIG_H is not defined.
654 Tue Apr 13 02:11:11 1999 Jeffrey A Law (law@cygnus.com)
656 * pa.c: Avoid Using immediate zero for register zero.
659 * pa.c (print_operand, case 'f'): New case for FP register or 0.0.
660 (print_operand, case 'r'): Use %r0 for zero value.
661 * pa.md (move patterns, fcmp patterns): Use new %f output arg.
663 * pa.c: Use a register name, not a raw immediate in branch,
664 compare/clear, sub, subb, uaddcm and vshd instructions.
667 * pa.md, pa.h, ee.asm, ee_fp.asm, lib2funcs.asm: Likewise.
669 * pa.c: Use a register name, not a raw immediate in "bv" instructions.
670 * pa.md, pa.h, ee.asm, ee_fp.asm, lib2funcs.asm: Likewise.
672 * pa.c: Remove space register specification in memory addresses,
673 except where it is actually needed.
674 * pa.md, pa.h, ee.asm, ee_fp.asm, lib2funcs.asm: Likewise.
676 Mon Apr 12 23:34:35 1999 Jeff Law (law@cygnus.com)
678 * version.c: Bump for snapshot.
680 Mon Apr 12 14:58:30 1999 Jan Hubicka <hubicka@freesoft.cz>
682 * reg-stack.c (check_stack_regs_mentioned): Remove variable SIZE.
684 Mon Apr 12 19:15:17 1999 Daniel Jacobowitz <dan@debian.org>
686 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Add missing backslash.
688 Mon Apr 12 19:11:38 1999 Mumit Khan <khan@xraylith.wisc.edu>
690 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mconsole; fix
691 -mno-nop-fun-dllimport and minor doc fixes.
692 (STARTFILE_SPEC): Cygwin DLLs don't have dllcrt0.
693 (LINK_SPEC): Add -mconsole support.
694 * i386/mingw32.h (LIB_SPEC): Make libraries consistent with
696 (LINK_SPEC): Remove. Use Cygwin's version.
697 (MATH_LIBRARY): Make it null.
698 * i386/crtdll.h (MATH_LIBRARY): Likewise.
700 Fri Apr 12 15:00:52 1999 Stan Cox <scox@cygnus.com>
702 * c-decl.c (c_decode_option, start_decl, start_function,
703 finish_function) : Recognize -Wno-main so we can avoid warnings.
705 1999-04-12 Zack Weinberg <zack@rabi.columbia.edu>
707 * cpphash.c (collect_expansion, macroexpand,
708 push_macro_expansion): Make the escape character in macro
709 buffers '\r', not '@'. Remove code to protect literal
710 occurences of the escape character; '\r' cannot appear
711 in a macro buffer unless we put it there.
712 * cpplib.c (skip_comment, copy_comment, cpp_skip_hspace,
713 copy_rest_of_line, cpp_get_token, parse_string,
714 parse_assertion): '\r' might be a backslash-newline marker, or
715 it might be a macro escape marker, depending on
716 CPP_BUFFER (pfile)->has_escapes. '@' is not a special
718 * cpplib.h: Update commentary.
720 Mon Apr 12 09:30:03 1999 Richard Earnshaw (rearnsha@arm.com)
722 * arm.h (target_fp_name, structure_size_string, arm_cpu_select):
724 * arm.c (target_fp_name, structure_size_string): Const-ify.
726 * arm.md (reload_inhi, reload_outhi): Make the scratch DImode.
727 * arm.c (arm_reload_in_hi): Handle cases when the input is still
728 a pseudo, make use of scratch registers for reloading the address
730 (arm_reload_outhi): Similarly for when the output is still a pseudo.
732 * riscix.h (SUBTARGET_SWITCHES): Document.
734 1999-04-12 Bruce Korb <ddsinc09@ix.netcom.com>
737 make fixincludes behave like the scripts in fixinc/
739 * Makefile.in( stmp-fixinc ):
740 ensure the SHELL value is that of the make
742 * fixincl/inclhack.tpl:
743 the file name lists ought to be restricted to "*.h" anyway
744 C++ files may be named .../[a-z]++/... also
745 Adding copyright year and attribution to output
747 * fixincl/inclhack.def:
748 fixed broken expression
749 Clarify a some comments
751 * fixincl/fixincl.tpl:
752 Clarify a some comments
753 Remove dead template text
754 Correct the counting of regular expressions
756 Mon Apr 12 03:07:44 1999 Richard Henderson <rth@cygnus.com>
758 * alpha.c (aligned_memory_operand): Handle out of range stack slots.
759 Take a new SCRATCH argument for the occasion. Update all callers.
760 (get_unaligned_address): Abort on out of range stack slots.
761 * alpha.md (adddi3 splitter): Check s_p_rtx not REGNO.
762 (reload_inqi): Check for aligned mems before unaligned.
763 (reload_inhi): Likewise.
765 Mon Apr 12 03:11:30 1999 Jeffrey A Law (law@cygnus.com)
767 * flow.c (flow_delete_insn): If we delete a CODE_LABEL, also remove
768 it from the nonlocal_goto_handler_labels list.
769 * jump.c (delete_insn): Likewise.
770 (jump_optimize_1): Also recompute LABEL_NUSES when we are just
772 * rtl.h (remove_node_from_expr_list): Declare.
773 * rtlanal.c (remove_node_from_expr_list): New function.
775 Mon Apr 12 02:37:02 1999 Jan Hubicka <hubicka@freesoft.cz>
777 * reg-stack.c: Update comment, include varray.h.
778 (stack_regs_mentioned_data): New global variable.
779 (check_stack_regs_mentioned): New function.
780 (stack_regs_mentioned): New function.
781 (reg_to_stack): Initialize and free stack_regs_mentioned_data,
782 use stack_regs_mentioned.
783 (record_asm_reg_life): Change insn type cache for changed insn.
784 (record_reg_life): Do not change the insn mode.
785 (emit_pop_insn): Likewise.
786 (emit_swap_insn): Likewise.
787 (move_for_stack_reg): Likewise.
788 (stack_reg_life_analysis): Use stack_regs_mentioned.
789 (emit_swap_insn): Likewise.
790 (subst_stack_regs): Likewise.
791 (convert_regs): Likewise.
792 * jump.c (find_cross_jump): Use stack_regs_mentioned.
793 * rtl.h (stack_regs_mentioned): Declare.
795 Mon Apr 12 00:57:10 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
797 * integrate.c (INTEGRATE_THRESHOLD): Sync it with the comment.
799 Sun Apr 11 10:24:18 1999 Mark Mitchell <mark@codesourcery.com>
801 * rtl.h (rtx_def): Update documentation for jump and call.
803 Sun Apr 11 07:43:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
805 * jump.c (jump_optimize_1): Make the definition static to match
808 Sat Apr 10 22:51:53 1999 Jan Hubicka <hubicka@limax.paru.cas.cz>
810 * flow.c (life_analysis): New parameter remove_dead_code.
811 (life_analysis_1): Likewise.
812 (propagate_block): Likewise; use it.
813 * output.h: Update prototype.
814 * toplev.c: Update calls to life_analysis.
816 Sat Apr 10 22:12:12 1999 Jan Hubicka <hubicka@freesoft.cz>
818 * recog.c (constrain_operands): Ignore unary operators when
819 matching operands. Recognize '5'..'9' as well.
821 Sat Apr 10 21:53:02 1999 Philipp Thomas (kthomas@gwdg.de)
822 Richard Henderson <rth@cygnus.com>
824 * configure.in: Set target_cpu_default2 for target_alias k6.
825 * i386.h (TARGET_SWITCHES): Remove no-<cpu> entries.
826 (CC1_CPU_SPEC): Likewise.
827 (CPP_CPU_DEFAULT_SPEC): Streamline definition. Add K6 version.
829 (CPP_CPU_SPEC): Add K6 variant.
830 (EXTRA_SPECS): Likewise.
832 Fri Apr 9 11:29:17 1999 Richard Henderson <rth@cygnus.com>
834 * flow.c (merge_blocks_nomove): Rewrite to properly handle two
835 blocks that vanish entirely during merging.
837 Sat Apr 10 20:09:55 1999 John Wehle (john@feith.com)
839 * i386.md (floatsisf2, floatdisf2, floatsidf2, floatdidf2,
840 floatsixf2, floatdixf2, movsicc, movhicc, movsfcc, movdfcc,
841 movxfcc, movdicc): Remove unused register constraints from
844 * i386.md (fixuns_truncsfsi2, fixuns_truncdfsi2,
845 fixuns_truncxfsi2): Delete.
847 * reg-stack.c (delete_insn_for_stacker): Ensure that
848 the only side effects of a PARALLEL are clobbers.
849 (subst_stack_regs): Handle subst_stack_regs_pat deleting
851 * i386.md (extendsfdf2, extenddfxf2,
852 extendsfxf2): Rewrite using a splitter.
853 * i386.c (output_op_from_reg): Remove.
856 Sat Apr 10 13:09:18 1999 Nick Clifton <nickc@cygnus.com>
858 * config/arm/arm.c (di_operand): Allow SUBREGs as well.
859 (soft_df_operand): Allow SUBREGs as well.
861 Sat Apr 10 06:14:31 1999 Jan Hubicka <hubicka@paru.cas.cz>
863 * extend.texi (Assembler Instructions with C Expression Operands):
864 Document the i386 floating point operands.
866 1999-04-10 Mike Stump <mrs@wrs.com>
868 * configure.in (*-*-vxworks): Add vxWorks thread support for all
870 * configure.in (thumb-wrs-xvworks): Add vxWorks support for thumb.
871 * configure: Rebuilt.
873 Sat Apr 10 06:04:50 1999 Donn Terry (donn@interix.com)
875 * i386/t-interix: Use mostly system headers unchanged.
877 * fixinc/fixinc.interix: Ditto (make almost no-op).
878 * config/x-interix.h (_ALL_SOURCE): add -D
879 * config/x-interix.h (crti.o): Delete dependency.
880 * config/xm-interix.h (ONLY_INT_FIELDS): Define only when bootstrapping.
881 * i386/xm-i386-interix.h: New file.
882 * i386/interix.h (ASM_OUTPUT_LIMITED_STRING): Fix warnings.
883 * i386/i386-interix.h: Renamed from interix.h.
884 * configure.in (interix): Use new files.
885 * configure: Rebuilt.
887 Sat Apr 10 05:25:28 1999 Daniel Jacobowitz <dan@debian.org>
889 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Fix conditions
890 for -Dunix and -Dlinux, and remove duplicate definition.
891 Change -Asystem(linux) to -Asystem(posix).
892 (CPP_OS_SOLARIS_SPEC): Fix conditions for -Dunix, -Dsun,
893 -DSVR4, -D__EXTENSIONS__.
895 * rs6000/linux.h (CPP_PREDEFINES): Remove -Dunix,
896 -Dlinux, -Asystem(linux), and -Asystem(unix).
898 Sat Apr 10 05:14:50 1999 Mark Elbrecht <snowball3@usa.net>
900 * i386/djgpp.h (SET_ASM_OP): Define.
902 * cccp.c (DIR_SEPARATOR): Move to the top of the file.
903 (is_dir_separator): New function.
904 (simplify_filename): Use it.
905 * collect2.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM in place
906 of the DIR_SEPARATOR test.
907 Consider any file starting with a drivename to be absolute.
908 If the absolute filename test fails and EXECUTABLE_SUFFIX is
909 defined, append EXECUTABLE_SUFFIX to the file and try again.
910 * cppinit.c (base_name): Use HAVE_DOS_BASED_FILE_SYSTEM
911 in place of __MSDOS__ and _WIN32.
912 * cppfiles.c (simplify_pathname): Likewise.
913 * gcc.c (IS_DIR_SEPARATOR): Define new macro. Returns true if a
914 character is a directory separator.
915 (find_a_file): Use it.
916 (convert_filename): Likewise.
917 (process_command): Likewise.
918 (do_spec_1): Likewise.
919 (is_directory): Likewise.
921 * prefix.c (IS_DIR_SEPARATOR): Define. Tests whether a character is
922 a directory separator.
923 (translate_name): Use it.
924 (update_path): Change DIR_SEPARATOR_2 to DIR_SEPARATOR. Fix
925 warning in block where '/' is changed to DIR_SEPARATOR.
926 * i386/xm-djgpp.h (DIR_SEPARATOR): Set to '/'.
927 (DIR_SEPARATOR_2): New macro. Set to '\'.
928 (HAVE_DOS_BASED_FILESYS): Define.
929 * i386/xm-mingw32.h: Updated copyright. Set
930 DIR_SEPARATOR_2 to '/'. Define HAVE_DOS_BASED_FILE_SYSTEM.
931 * i386/xm-os2.h: Likewise.
932 * winnt/xm-winnt.h: Likewise.
933 * i386/xm-dos.h: Likewise. Add copyright.
935 1999-04-10 Joseph S. Myers <jsm28@cam.ac.uk>
937 * pdp11.h (TARGET_SWITCHES): Add option to vary assembler syntax.
938 (TARGET_DEFAULT): Possibly use UNIX syntax.
939 (TARGET_UNIX_ASM, TARGET_UNIX_ASM_DEFAULT): New macros.
940 (REGISTER_NAMES): Use "r5" instead of "fp".
941 (ASM_OUTPUT_ALIGN): Use ".even" directive, and abort for any
943 * 2bsd.h (TARGET_UNIX_ASM_DEFAULT): Default to UNIX assembler
945 * pdp11.c (output_ascii): Use working syntax for ".byte".
946 (print_operand_address): Use "*" instead of "@" when using UNIX
949 Sat Apr 10 03:50:12 1999 Jeffrey A Law (law@cygnus.com)
951 * rtl.h (rebuild_jump_labels): Declare.
952 * jump.c (jump_optimize_1): Renamed from jump_optimize. Make static.
953 Add new argument MARK_LABELS_ONLY. Quit after mark_all_labels if
955 (jump_optimize, rebuild_jump_labels): New wrapper functions for
957 * toplev.c (rest_of_compilation): Use rebuild_jump_labels instead of
958 running the entire jump optimizer.
960 * rtl.h (local_alloc): Returns an integer now.
961 * local-alloc.c (recorded_label_ref): New file scoped variable.
962 (local_alloc): Initialize recorded_label_ref to zero. Return its
963 value when local allocation has completed.
964 (update_equiv_regs); If we create an equivalence for a LABEL_REF,
965 set recorded_label_ref.
966 * toplev.c (rest_of_compilation): Run the jump optimizer after
967 register allocation and reloading if needed.
969 Fri Apr 9 21:02:57 1999 Krister Walfridsson (cato@df.lth.se)
971 * i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Fix typo.
972 * i386/freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
974 1999-04-09 Zack Weinberg <zack@rabi.columbia.edu>
976 * cpphash.c (special_symbol): When expanding __LINE__, use the
977 top file buffer, not the top buffer.
979 Fri Apr 9 13:41:04 1999 Jim Wilson <wilson@cygnus.com>
981 * Makefile.in (check-g++, check-gcc, check-g77, check-objc): Add
982 cd .. to TCL_LIBRARY command.
984 Fri Apr 9 13:04:52 1999 Nick Clifton <nickc@cygnus.com>
986 * config/arm/unknown-elf.h (SUBTARGET_CPU_DEFAULT): Only define if
987 not already specified.
989 Fri Apr 9 11:18:55 1999 Jason Merrill <jason@yorick.cygnus.com>
991 * c-common.c (decl_attributes, A_INIT_PRIORITY): Allow arrays
994 Fri Apr 9 10:40:10 1999 Kaveh R. Ghazi <ghazi@snafu.rutgers.edu>
996 * rs6000.c (rs6000_override_options, ptt, rs6000_file_start,
997 rs6000_float_const, rs6000_replace_regno, debug_stack_info,
998 rs6000_output_load_toc_table, output_prolog, output_epilog):
1000 (output_mi_thunk): Likewise. Mark parameter `thunk_fndecl' with
1001 ATTRIBUTE_UNUSED. Hide unused variables `r0', `sp', `toc',
1002 `schain', `r12', `buf' and `labelno'.
1003 (output_ascii): Const-ify a char*.
1004 (rs6000_gen_section_name): Initialize variable `last_period'.
1005 (rs6000_adjust_priority): Mark parameter `insn' with
1007 (rs6000_trampoline_template, rs6000_dll_import_ref,
1008 rs6000_longcall_ref, rs6000_encode_section_info): Const-ify a char*.
1010 * rs6000.h (offsettable_mem_operand, optimization_options): Add
1013 * rs6000.md (movdi, define_split): Cast a value to HOST_WIDE_INT
1014 when comparing against one.
1016 Thu Apr 8 19:20:18 1999 Jeffrey A Law (law@cygnus.com)
1018 * expr.c (expand_expr, case ARRAY_REF, COMPONENT_REF, BIT_FIELD_REF):
1019 Do not try to optimize a aggregate address which has VOIDmode.
1020 Mirrors March 23 change to expand_assignment.
1022 * flow.c (delete_unreachable_blocks): Do not require EDGE_FALLTHRU
1023 for an edge when tidying an edge which connects consecutive basic
1026 * flow.c (can_delete_label_p): Do not convert a label into a
1029 * cse.c (flush_hash_table): New function.
1030 (cse_insn): Flush the hash table when we encounter a volatile asm.
1031 (cse_basic_block): Use flush_hash_table instead of doing it
1034 * reload1.c (reload_cse_regs_1): Flush known register values if
1035 we encounter a volatile asm.
1037 * loop.c (strength_reduce): Re-enable Joern's loop improvements.
1039 Thu Apr 8 09:37:40 1999 Nick Clifton <nickc@cygnus.com>
1041 * config/arm/arm.c (arm_print_operand): Undo previous change -
1042 always print large constants in decimal.
1044 Thu Apr 8 10:22:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1046 * configure.in (host_xm_file, build_xm_file): Include hwint.h.
1047 Use case statements instead of "if test -a ... -a ... -a ..."
1049 * machmode.h: Don't define HOST_WIDE_INT, etc. Wrap use of
1050 HOST_WIDE_INT in #ifdef.
1052 * mips.h: Include hwint.h instead of providing definitions for
1053 HOST_WIDE_INT, etc. Wrap uses of HOST_WIDE_INT in #ifdef.
1055 Thu Apr 8 06:16:14 1999 John Wehle (john@feith.com)
1057 * i386.md (truncdfsf2, truncxfsf2,
1058 truncxfdf2): Rewrite using a splitter.
1060 Thu Apr 8 01:26:05 1999 Arg Haas (ahaas@neosoft.com)
1061 Jeffrey A Law (law@cygnus.com)
1063 * freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Avoid ambiguous
1065 * gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
1066 * linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
1067 * openbsd.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
1069 Wed Apr 7 22:40:19 1999 Jim Wilson <wilson@cygnus.com>
1071 * i960/i960.c (i960_function_prologue): Don't save static chain
1073 * i960/i960.h (STACK_CHAIN_REGNUM): Change from r3 to g12.
1074 (TRAMPOLINE_TEMPLATE): Likewise.
1075 (FRAME_POINTER_REQUIRED): Check current_function_has_nonlocal_goto.
1076 * i960/i960.md (nonlocal_goto): Rewrite.
1078 Tue Apr 6 17:49:49 1999 Philip Blundell <pb@nexus.co.uk>
1080 * config/arm/lib1funcs.asm: Test for __ELF__ not __elf__.
1082 Wed Apr 7 14:07:34 1999 Jeffrey A Law (law@cygnus.com)
1084 * h8300.c (h8300_adjust_insn_length): Also avoid recognizing
1085 ADDR_VEC and ADDR_DIFF_VEC insns.
1087 * h8300.c (h8300_adjust_insn_length): Avoid trying to recognize
1088 USE, CLOBBER or SEQUENCE insns.
1090 * unroll.c (unroll_loop): For HAVE_cc0 machines, adjust copy_end_luid
1091 to account for the uncopied insn that sets cc0 at the end of the loop.
1093 * unroll.c (copy_loop_body): Always ensure at least two insns
1094 are in the copied loop.
1096 Wed Apr 7 14:52:18 1999 Catherine Moore <clm@cygnus.com>
1098 * config/mips/elf.h (MAKE_DECL_ONE_ONLY): Define.
1099 (UNIQUE_SECTION_P): Define.
1101 1999-04-07 Bruce Korb <ddsinc09@ix.netcom.com>
1103 * fixinc/inclhack.tpl & fixincl.tpl:
1104 Remove dynamic content from generated files
1106 Wed Apr 7 13:16:22 1999 John Wehle (john@feith.com)
1108 * i386.c (output_move_memory): Remove.
1111 * i386.md (movsi, movhi, movstricthi, movqi, movstrictqi,
1112 movsf, movdf, movxf, movdi): Check no_new_pseudos instead
1113 of (reload_in_progress | reload_completed).
1115 Wed Apr 7 03:16:45 1999 Richard Henderson <rth@cygnus.com>
1117 * alpha.c (reg_no_subreg_operand): New function.
1118 * alpha.h (PREDICATE_CODES): Add it.
1119 * alpha.md (floatdi?f patterns): Use it for op1.
1121 * alpha.c (alpha_end_function): Don't flag weak functions.
1123 Wed Apr 7 02:11:55 1999 Richard Henderson <rth@cygnus.com>
1125 * expr.c (expand_builtin) [BUILT_IN_RETURN_ADDRESS]: Use
1126 copy_to_mode_reg; don't force constants into a register.
1128 Tue Apr 6 22:55:25 1999 Richard Henderson <rth@cygnus.com>
1130 * toplev.c (compile_file): Typo flow_dump -> flow2_dump.
1132 1999-04-06 Joseph S. Myers <jsm28@cam.ac.uk>
1134 * pdp11.c (simple_memory_operand): Add default case in switch.
1135 * pdp11.h (TARGET_SWITCHES): Add help strings.
1136 (NOTICE_UPDATE_CC): Don't include excess argument to format.
1137 (ASM_OUTPUT_DOUBLE_INT): Remove.
1139 Tue Apr 6 22:09:40 1999 Richard Henderson <rth@cygnus.com>
1141 * expr.c (expand_builtin_setjmp): Put setjmp return label on
1142 nonlocal_goto_handler_labels for flow.
1144 Tue Apr 6 22:05:21 1999 Jan Hubicka <hubicka@paru.cas.cz>
1145 Richard Henderson <rth@cygnus.com>
1147 * flow.c (verify_flow_info): New function.
1148 (find_basic_blocks): Call it if ENABLE_CHECKING.
1149 (merge_blocks): Don't merge if there are non-deletable labels.
1150 * toplev.c (fatal_insn): Allow a printf-style arg list.
1151 * toplev.h (fatal_insn): Update prototype.
1153 Tue Apr 6 16:18:58 1999 Jan Hubicka <hubicka@paru.cas.cz>
1155 * flow.c (split_edge) update correctly flow graph, disable
1156 EDGE_CRITICAL flag on the split edge, update NUSES for new label.
1158 Tue Apr 6 15:47:51 1999 Richard Henderson <rth@cygnus.com>
1160 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use XWINT not XINT.
1161 Clear third and following slots, if they exist.
1163 Tue Apr 6 15:45:28 1999 Richard Henderson <rth@cygnus.com>
1165 * flow.c (create_basic_block): Make sure the bb note is in the block.
1166 (can_delete_note_p): Rename from delete_note_p.
1167 (delete_insn_chain): Preserve undeleteable labels too.
1168 (tidy_fallthru_edge): Use next_real_insn instead of confusing
1171 1999-04-06 Zack Weinberg <zack@rabi.columbia.edu>
1173 * cppexp.c (parse_charconst): Initialize c.
1174 (cpp_parse_expr): Initialize rprio.
1175 * cppfiles.c (merge_include_chains): Initialize prev.
1176 (finclude): Set fp->line_base to fp->buf before returning.
1177 * cpphash.c (macroexpand): Initialize token.
1178 * cppspec.c (lang_specific_driver): Change suff to
1179 const char *const *.
1181 1999-04-06 Zack Weinberg <zack@rabi.columbia.edu>
1183 * cppinit.c (install_predefs): Delete function.
1184 (cpp_start_read): Don't call install_predefs.
1185 (cpp_handle_option): Remove case 'u' and all refs to
1186 opts->inhibit_predefs.
1187 (print_help): Don't mention -undef.
1188 (initialize_builtins): Define __HAVE_BUILTIN_SETJMP__, to
1190 * cpplib.h (struct cpp_options): Remove inhibit_predefs
1193 * cccp.c (predefs): Delete variable.
1194 (main): Remove case 'u' in argument parse loop,
1195 'inhibit_predefs' variable, and the code block that would
1196 process CPP_PREDEFINES.
1197 (initialize_builtins): Don't define __OBJC__, the driver will
1200 * gcc.c (default_compilers): Remove -undef from all specs that
1201 invoke a C preprocessor.
1202 * ch/lang-specs.h: Likewise.
1203 * cp/lang-specs.h: Likewise.
1204 * f/lang-specs.h: Likewise.
1205 * objc/lang-specs.h: Likewise.
1207 Mon Apr 5 11:55:31 1999 Donn Terry (donn@interix.com)
1209 * Makefile.in (SUBDIR_FLAGS_TO_PASS): Fix misapplied patch.
1211 Mon Apr 5 11:51:38 1999 Jeffrey A Law (law@cygnus.com)
1213 * m68k.md (movdf): Hide GPR sources & destinations from regclass.
1215 Mon Apr 5 09:54:42 1999 Jeff Law (law@cygnus.com)
1217 * version.c: Bump for snapshot.
1219 Mon Apr 5 05:55:15 1999 Bruce Korb <ddsinc09@ix.netcom.com>
1221 * fixincl.tpl: Separate "-e" from its argument, a la
1222 the Sat Apr 3 17:05:13 1999 fix.
1223 * genfixes: Ensure that the server shell is _NOT_ csh.
1225 Mon Apr 5 03:52:30 1999 Jeff Law (law@cygnus.com)
1227 * version.c: Bump for snapshot.
1229 Mon Apr 5 04:47:14 1999 Jeffrey A Law (law@cygnus.com)
1231 * i386.c (x86_double_with_add): Turn off for Pentium and PPro.
1232 (small_shift_operand, output_ashlsi3): New functions.
1233 * i386.h (small_shift_operand, output_ashlsi3): Declare.
1234 * i386.md (ashlsi3): Simplify ahlsi3 patterns. Remove splitters
1235 that are no longer needed.
1237 Sun Apr 4 04:05:04 1999 Jeffrey A Law (law@cygnus.com)
1239 * stmt.c (expand_loop_end): When copying the loop exit test,
1240 do not walk into a nested loop.
1242 Sun Apr 4 00:14:54 1999 Jeffrey A Law (law@cygnus.com)
1244 * fixinc/hackshell.tpl: Skip links to directories, to avoid
1246 * fixinc/inclhack.tpl: Likewise.
1247 * fixinc/fixinc.sh, fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
1249 Sat Apr 3 23:46:13 1999 David Edelsohn <edelsohn@gnu.org>
1251 * rs6000.md (addsi3, iorsi3, xorsi3, adddi3, iordi3, xordi3,
1252 movsi_got, movsi, movsf): Use no_new_pseudos.
1253 * rs6000.c (rs6000_got_register): Likewise.
1254 (offsettable_mem_opereand): Use || not |.
1256 Sat Apr 3 22:02:56 1999 Jeffrey A Law (law@cygnus.com)
1258 * acconfig.h (ENABLE_CHECKING): Remove redundant #undef.
1259 * config.in: Rebuilt.
1261 Sat Apr 3 16:22:59 1999 Toshiyasu Morita (tm@netcom.com)
1263 * gcc.texi: Add info on regmove pass.
1265 * regmove.c (fixup_match_1): Consistently evaluate
1266 HAVE_POST_INCREMENT and HAVE_POST_DECREMENT.
1268 Sat Apr 3 19:21:05 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
1270 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER): Use grep
1271 instead of test and sed to check whether they're GNU programs.
1272 * configure: Rebuilt.
1274 Sat Apr 3 17:57:35 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
1276 * Makefile.in (install-headers-tar, install-headers-cpio): Avoid
1277 problems with CDPATH.
1278 Reported by Ralf Canis <canis@bigfoot.com>
1280 Sat Apr 3 13:50:16 1999 Jeffrey A Law (law@cygnus.com)
1282 * fixinc.x86-linux-gnu: Deleted.
1284 Sat Apr 3 17:05:13 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
1286 * inclhack.tpl: Insert spaces between `sed -e' and '...'.
1287 Reported by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1288 * fixinc/fixincl.sh, fixinc/fixincl.x, fixinc/inclhack.sh: Regen.
1290 Sat Apr 3 14:54:46 1999 Craig Burley <craig@jcb-sc.com>
1292 * tree.def (BLOCK): Fix typo in comment.
1294 Sat Apr 3 00:53:29 1999 John Wehle (john@feith.com)
1296 * i386.md (floatsisf2, floatdisf2, floatsidf2, floatdidf2,
1297 floatsixf2, floatdixf2): Rewrite using a splitter.
1299 Fri Apr 2 17:36:10 1999 Nick Clifton <nickc@cygnus.com>
1301 * config/arm/arm.c (arm_print_operand): Print large constants in
1302 hex rather than decimal.
1304 Fri Apr 2 17:23:58 1999 Nick Clifton <nickc@cygnus.com>
1306 * print-rtl.c (print_rtx): Use both HOST_WIDE_INT_PRINT_DEC
1307 and HOST_WIDE_INT_PRINT_HEX to display constants.
1309 1999-04-02 Zack Weinberg <zack@rabi.columbia.edu>
1311 * config/i386/i386.h: Document all TARGET_SWITCHES or add
1312 explicit null initializer.
1314 * config/i386/cygwin.h: Document all SUBTARGET_SWITCHES.
1315 * config/i386/dgux.h: Likewise.
1316 * config/i386/osf1elf.h: Likewise.
1317 * config/i386/win32.h: Likewise.
1318 * config/i386/osfrose.h: Likewise. Drop obsolete -mno-ident option.
1320 Fri Apr 2 17:49:44 1999 Toshiyasu Morita <tm@netcom.com>
1322 * regmove.c (fixup_match_1): Remove now useless if (0).
1324 Sat Apr 3 11:37:20 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1326 * tm.texi (USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT,
1327 USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT): Document.
1328 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
1329 USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Fix documentation.
1331 * rtl.h (USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT,
1332 USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT,
1333 USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
1334 USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Provide default
1337 * expr.c (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
1338 USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Delete default
1341 Fri Apr 2 16:03:05 1999 Jeffrey A Law (law@cygnus.com)
1343 * fixinc.dgux, fixinc.interix, fixinc.irix, fixinc.ptx: Deleted.
1344 * fixinc.sco, fixinc.svr4, fixinc.winnt, fixinc.wrap: Likewise.
1346 Fri Apr 2 15:46:25 1999 Donn Terry (donn@interix.com)
1348 * configure.in: Set and substitute quoted_cc_set_by_configure.
1349 * configure: Rebuilt.
1350 * Makefile.in (SUBDIR_FLAGS_TO_PASS): Fix quoting problem with ``.
1352 Fri Apr 2 14:35:45 1999 Stan Cox <scox@cygnus.com>
1354 * config/i386/cygwin.h (CPP_SPEC): Use mingw_include_path instead
1355 of a hardcoded path for -mno-cygwin.
1356 (mingw_include_path): New.
1358 1999-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1360 * pdp11.c: Include "recog.h".
1361 (output_function_prologue): Remove unused variables `nregs', `i',
1363 (output_function_epilogue): Remove unused variables
1364 `may_call_alloca', `nregs', `regno', `adjust_fp'.
1365 (output_ascii): Mark as returning void.
1366 (print_operand_address: Likewise.
1367 (simple_memory_operand): Remove unused variables `plus0', `plus1',
1369 * pdp11.h: Declare functions `arith_operand',
1370 `const_immediate_operand', `expand_shift_operand',
1371 `legitimate_address_p', `notice_update_cc_on_set', `output_ascii',
1372 `output_function_epilogue', `output_function_prologue',
1373 `print_operand_address', `register_move_cost',
1374 `simple_memory_operand'.
1375 (HARD_REGNO_MODE_OK): Parenthesize `REGNO' arg.
1376 (REGNO_REG_CLASS): Likewise.
1377 * pdp11.md: Add explicit `int' to `static count' (in two places).
1378 (addhi3): Add explicit braces to avoid ambiguous else.
1380 (ashlhi3): Likewise.
1382 Fri Apr 2 14:17:10 1999 Jerry James <jerry@cs.ucsb.edu>
1384 * gcc/invoke.texi: Add documentation for additional supported
1385 MIPS CPU types, options -mips16 and -mentry, and ABI and ISA
1388 Fri Apr 2 14:12:06 1999 John Wehle (john@feith.com)
1390 * i386.md: Delete floating point compare, add, subtract,
1391 multiply, and divide patterns which allowed integer
1393 * i386.c (output_387_binary_op): Delete unused code.
1394 (output_float_compare): Likewise.
1396 Fri Apr 2 11:53:37 1999 John Wehle (john@feith.com)
1398 * i386.md (movsf+1, movdf+1, movxf+1): Update constraints
1399 so that SECONDARY_MEMORY_RELOAD is used. Remove dead code.
1401 1999-04-02 Bruce Korb <ddsinc09@ix.netcom.com>
1403 * fixinc/mkfixinc.sh: Added support for x86-interix.
1404 * fixinc/fixinc.interix: Fixincludes script, slight changes
1405 from ./fixinc.interix. Untested (needs interix box).
1406 * fixinc/inclhack.def:
1407 Complete the change to the 'fixinc.tmp' file.
1408 Fixed regex for finding C++ headers.
1409 * fixincl.x, fixincl.sh, inclhack.sh: Regenerate.
1411 Fri Apr 2 11:36:12 1999 Jan Hubicka (hubicka@paru.cas.cz)
1413 * i386.c (print_operand_address, case REG): Do not use ESI addressing
1416 * i386.c (print_operand_address, case MULT): Use more efficient
1417 encoding (mult (reg) (const_int 2)).
1419 Thu Apr 1 17:01:50 1999 Richard Henderson <rth@cygnus.com>
1421 Move over patch from Bernd Schmidt from GC branch:
1422 * emit-rtl.c (gen_rtx_CONST_DOUBLE): New function.
1423 (gen_rtx): Call it. Tidy cases.
1424 * rtl.h (gen_rtx_CONST_DOUBLE): Prototype it.
1425 * gengenrtl.c: Add commentary.
1426 (special_rtx): Also match CONST_DOUBLE.
1427 (gencode): Emit call to memset instead of bzero.
1429 Fri Apr 2 12:58:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1431 * config/c4x/c4x.md (ashlhi3, lshrhi3, ashrhi3): Force operand 1
1432 into a register if shift count not constant.
1433 (ashlhi3_reg, lshrhi3_reg, ashrhi3_reg): Ensure that operand 1
1436 Fri Apr 2 12:19:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1438 * config/c4x/c4x.md (*db): Enable pattern if TARGET_LOOP_UNSIGNED
1440 (movstrqi_small, movstrqi_large, *cmpstrqi): Add + modifier to address
1441 register constraints.
1442 (*movhi_clobber+1): Modify splitter pattern to handle destination
1443 register that is used in the source address.
1444 (*xorhi3_clobber): Replace AND with XOR in call to legitimize_operands.
1446 Fri Apr 2 12:16:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1448 * config/c4x/c4x.h: Added more comments.
1450 Fri Apr 2 11:58:22 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1452 * config/c4x/c4x.c (c4x_emit_move_sequence): Force invalid QImode
1453 constants into memory if we get called directly from gen_move_insn
1454 rather than emit_move_insn.
1455 (c4x_legitimize_address): Fix up LABEL_REF addresses.
1457 Thu Apr 1 12:04:05 1999 Jim Wilson <wilson@cygnus.com>
1459 * expr.c (store_field): When check direct_store, assume all complex
1460 modes can be directly stored.
1462 1999-04-01 Bruce Korb <ddsinc09@ix.netcom.com>
1464 * fixinc/genfixes: New shell script that runs autogen
1465 to create the generated files.
1467 1999-04-01 Manfred Hollstein <manfred@s-direktnet.de>
1469 * Makefile.in (cppmain$(exeext)): Depend on intl.o. Link in intl.o.
1471 Thu Apr 1 03:48:34 1999 H.J. Lu (hjl@gnu.org)
1473 * i386.c (output_fp_conditional_move): Abort for LT, LE, GE, and GT
1474 signed integer comparisons.
1476 * i386.c (output_int_conditional_move): Use "enum rtx_code" for code
1479 * i386.c (notice_update_cc): No need to check the INT mode for
1480 conditional moves since FLOAT conditional moves don't affect cc0.
1482 Thu Apr 1 02:17:18 1999 Jeffrey A Law (law@cygnus.com)
1484 * fixinc/inclhack.def (zzz_ki_syscalls, zzz_time): Fix trigger
1485 string to only match on hpux11.
1486 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixinc.sh: Rebuilt.
1488 Thu Apr 1 01:09:27 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
1490 * fixinc/hackshell.tpl: Complete transition to fixinc.tmp.
1491 * fixinc/inclhack.sh: Rebuilt.
1493 * fixinc/inclhack.def: Fix typos in c_asm.h fix.
1494 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixinc.sh: Rebuilt.
1496 Wed Mar 31 17:20:11 1999 Jeffrey A Law (law@cygnus.com)
1498 * toplev.c (rest_of_compilation): Allow dbr_schedule to write to
1501 Wed Mar 31 12:32:43 1999 Richard Henderson <rth@cygnus.com>
1503 * flow.c (find_basic_blocks): New argument `do_cleanup'.
1504 Conditionally call delete_unreachable_blocks.
1505 (free_basic_block_vars): Zero ENTRY/EXIT data.
1506 (allocate_for_life_analysis): Kill. Split into...
1507 (allocate_bb_life_data, allocate_reg_life_data): ... new functions.
1508 (life_analysis_1): Update.
1509 * gcse.c (gcse_main): Update find_basic_blocks call.
1510 * toplev.c (rest_of_compilation): Likewise.
1511 * stupid.c (stupid_life_analysis): Update life data calls.
1512 * rtl.h, output.h: Update prototypes.
1514 Wed Mar 31 12:10:00 1999 Bruce Korb <ddsinc09@ix.netcom.com>
1516 * inclhack.def (several): Added spaces in tests to ensure
1517 correct shell syntax. Added c_asm.h fix from fixincludes.
1518 Also corrected the corrected fix to C++ comments :-}
1520 * inclhack.tpl: Changed method of traversing symlink trees
1521 so that file name matching will work correctly.
1523 * fixincl.c, hackshell.tpl: Fallout from above.
1524 * fixincl.x, inclhack.sh, fixincl.sh: Rebuilt.
1526 Tue Mar 30 10:43:49 1999 Philip Blundell <pb@nexus.co.uk>
1528 * config/arm/aout.h (DBX_DEBUGGING_INFO): Avoid redefinition if
1529 dbxelf.h was previously included.
1530 (CPP_APCS_PC_DEFAULT_SPEC): No need to undefine.
1532 * config/arm/linux-elf.h (FP_DEFAULT): Correctly override the
1533 definition from arm.h.
1535 Wed Mar 31 10:33:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1537 * Makefile.in (c-gperf.h): Generate using gperf language 'C', not
1538 'KR-C', so gperf uses the `const' keyword on strings.
1540 * c-parse.gperf (resword): Const-ify a char*.
1542 Wed Mar 31 01:49:31 1999 Ian Lance Taylor <ian@zembu.com>
1544 * t-rtems (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
1546 Wed Mar 31 00:50:48 1999 Jeffrey A Law (law@cygnus.com)
1548 * system.h (STDERR_FILENO): Fix typo.
1550 * inclhack.def (bool): Also fix bogus bool in curses_colr/curses.h.
1551 * fixincl.x, inclhack.sh, fixincl.sh: Rebuilt.
1553 Tue Mar 30 20:51:40 1999 Mark Mitchell <mark@codesourcery.com>
1555 * alias.c (alias_set_compare): Remove.
1556 (record_alias_subset): Use splay_tree_compare_ints instead of
1558 (init_alias_once): Likewise.
1559 * cse.c: Include splay-tree.h.
1561 (reg_tick): Likewise.
1562 (reg_table): Likewise.
1563 (cse_reg_info): New structure.
1564 (cse_reg_info_free_list): New variable.
1565 (cse_reg_info_tree): Likewise.
1566 (cached_regno): Likewise.
1567 (cached_cse_reg_info): Likewise.
1568 (all_minus_one): Remove.
1569 (consec_ints): Likewise.
1570 (GET_CSE_REG_INFO): New macro.
1571 (REG_TICK): Likewise. Use throughout instead of reg_tick.
1572 (REG_IN_TABLE): Likewise. Use throughout instead of reg_in_table.
1573 (REG_QTY): Likewise. Use throughout instead of reg_qty.
1574 (get_cse_reg_info): New function.
1575 (free_cse_reg_info): Likewise.
1576 (new_basic_block): Reinitialize cse_reg_info_tree instead of
1577 reg_tick, all_minus_one, and consec_ints.
1578 * Makefile.in (cse.o): Depend on splay-tree.h
1580 Tue Mar 30 13:19:36 1999 Jason Merrill <jason@yorick.cygnus.com>
1582 * libgcc2.c (throw_helper): Just return the SP offset, rather than
1583 a whole udata. Include args_size in the offset.
1584 (__throw, __rethrow): Adjust.
1586 Tue Mar 30 11:39:27 1999 Craig Burley <craig@jcb-sc.com>
1588 * extend.texi (Extended Asm): Delete spurious `b' before
1589 `@end example', which was confusing texi2html.
1591 Tue Mar 30 00:26:34 1999 Jason Merrill <jason@yorick.cygnus.com>
1593 * dwarf2out.c (output_line_info): Don't emit redundant info.
1594 Do start a new row if the file changes and the line # doesn't.
1596 Mon Mar 29 15:48:39 1999 Jason Merrill <jason@yorick.cygnus.com>
1598 * invoke.texi (Invoking G++, C++ Dialect Options): Update.
1600 Mon Mar 29 15:05:39 1999 Richard Henderson <rth@cygnus.com>
1602 * except.c (start_dynamic_handler): Force jmp_buf address to
1603 and operand before moving to memory.
1605 Mon Mar 29 15:11:10 1999 Craig Burley <craig@jcb-sc.com>
1607 * invoke.texi (Code Gen Options): Attempt to clarify
1608 -fcheck-memory-usage. Minor edits to -fprefix-function-name.
1610 Mon Mar 29 20:52:47 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1612 * loop.c (maybe_eliminate_biv): For libcalls that set a giv, skip to
1615 Mon Mar 29 20:35:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1617 * sh.md (mulsi3): Tag an extra REG_EQUAL note to the middle insn.
1619 Mon Mar 29 11:50:34 1999 Jerry Quinn <jquinn@nortelnetworks.com>
1621 * pa.h (HAVE_PRE_INCREMENT): Disable when optimizing for a PA8000
1623 (HAVE_PRE_DECREMENT, HAVE_POST_INCREMENT): Likewise.
1624 (HAVE_POST_DECREMENT): Likewise.
1626 Mon Mar 29 08:24:43 1999 Bruce Korb <korb@datadesign.com>
1628 * fixinc/mkfixinc.sh: Fix portability problems with old shells.
1630 * fixinc/README: Updated for release announcement
1632 Sun Mar 28 20:26:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1634 * recog.h (insn_outfun, insn_operand_predicate): Add prototype
1637 * rtl.h (note_stores): Likewise.
1639 * rtlanal.c (note_stores): Likewise.
1641 Sun Mar 28 15:34:28 1999 Richard Henderson <rth@cygnus.com>
1643 * varasm.c (output_constant_pool): Always mark the constant pool.
1645 Sun Mar 28 16:09:01 1999 Jerry Quinn <jquinn@nortelnetworks.com>
1647 * pa.md (pa7100LCshiftmem, pa7100LCalu): Change simultaneity. Use
1648 shift/mem ops in pa7100LCalu.
1650 * pa.c (pa_adjust_cost): Don't do cost adjustments on pa8000.
1651 (pa_reorg): Don't call pa_combine_instructions on pa8000.
1653 Sun Mar 28 15:27:26 1999 Jeffrey A Law (law@cygnus.com)
1655 * reload1.c (reload): Remove accidental code duplication.
1657 Sun Mar 28 12:22:12 1999 Robert Lipe (robertlipe@usa.net)
1659 * i386/sysv5.h: New file to describe UnixWare7/SVR5.
1660 * configure.in (i?86-UnixWare7*-sysv): Use it.
1661 * i386/udk.h: Use sysv5.h. Now uses Dwarf-2.
1663 Sun Mar 28 01:15:04 1999 Jeff Law (law@cygnus.com)
1665 * version.c: Bump for snapshot.
1667 Sun Mar 28 00:44:27 1999 Jeffrey A Law (law@cygnus.com)
1669 * sdbout.c (sdbout_symbol): Do not call build_pointer_type, build
1670 one on the fly and do not cache the result.
1672 * gcc.cps, cpp.cps: Delete unwanted files.
1674 Sat Mar 27 23:37:40 1999 John Wehle (john@feith.com)
1676 * i386.md (movdicc+3, movdicc+4): Rewrite using split_di.
1677 * i386.c (output_int_conditional_move): Delete unused code.
1679 Sat Mar 27 21:17:36 1999 David Edelsohn <edelsohn@gnu.org>
1681 * rs6000/{aix41.h,aix43.h} (ASM_CPU_SPEC): Add 604e.
1683 Sat Mar 27 16:13:50 1999 Jeffrey A Law (law@cygnus.com)
1685 * flow.c (mark_used_regs): Improve handling of ASMs.
1687 1999-03-26 Zack Weinberg <zack@rabi.columbia.edu>
1689 * Makefile.in (xcpp, cppspec.o): New targets.
1690 (CPP_INSTALL_NAME): New macro.
1691 (install-cpp): Install xcpp. Use CPP_INSTALL_NAME.
1692 (all.build, start.encap): Build xcpp.
1694 * cppspec.c: New file, implements argument filtering for a
1695 user-visible C preprocessor.
1698 Fri Mar 26 20:41:46 1999 Jim Wilson <wilson@cygnus.com>
1700 * Makefile.in (stmp-fixinc): Use tooldir instead of gcc_tooldir.
1702 Fri Mar 26 16:02:37 1999 Nick Clifton <nickc@cygnus.com>
1704 * configure.in (arm-*-vxworks*): Just include arm/vxarm.h.
1705 * configure: Regenerate.
1706 * config/arm/vxarm.h: Define SUBTARGET_CPU_DEFAULT before
1707 including arm/coff.h
1709 1999-02-16 Scott Bambrough <scottb@corelcomputer.com>
1711 * configure.in (arm*-*-linux-gnu*): Set thread_file to 'posix' if
1712 --enable-threads[={yes,pthreads,posix}] is passed as a command
1713 line parameter to configure.
1715 * configure: Regenerate.
1717 * gcc/config/arm/t-linux (TARGET_LIBGCC2_CFLAGS): Include -fPIC.
1719 Fri Mar 26 19:42:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1721 * loop.c (combine_givs): Fix index into can_combine when doing
1722 benefit adjustment for remaining givs when having combined a giv.
1724 Fri Mar 26 11:38:01 1999 Nick Clifton <nickc@cygnus.com>
1726 * config/arm/t-arm-elf (EXTRA_MULTILIB_PARTS): Define.
1728 Fri Mar 26 10:48:27 1999 Nick Clifton <nickc@cygnus.com>
1730 * config/arm/linux-elf.h: Include dbxelf.h
1732 Fri Mar 26 10:43:47 1999 Nick Clifton <nickc@cygnus.com>
1734 * config/svr4.h: Include new header file dbxelf.h.
1735 (DBX_DEBUGGING_INFO): Remove definition.
1736 (DBX_USE_BINCL): Remove definition.
1737 (DBX_BLOCKS_FUNCTION_RELATIVE): Remove definition.
1738 (ASM_IDENTIFY_GCC): Remove definition.
1739 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove definition.
1740 (ASM_OUTPUT_SOURCE_LINE): Remove definition.
1741 (DBX_FUNCTION_FIRST): Remove definition.
1742 (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Remove definition.
1744 * config/elfos.h: Include new header file dbxelf.h.
1745 (DBX_DEBUGGING_INFO): Remove definition.
1746 (DBX_BLOCKS_FUNCTION_RELATIVE): Remove definition.
1747 (ASM_IDENTIFY_GCC): Remove definition.
1748 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove definition.
1749 (ASM_OUTPUT_SOURCE_LINE): Remove definition.
1750 (DBX_FUNCTION_FIRST): Remove definition.
1752 * config/dbxelf.h: New header file.
1753 (DBX_DEBUGGING_INFO): Define.
1754 (DBX_BLOCKS_FUNCTION_RELATIVE): Define.
1755 (DBX_FUNCTION_FIRST): Define.
1756 (DBX_USE_BINCL): Define.
1757 (DBX_CONTIN_LENGTH): Define.
1758 (ASM_IDENTIFY_GCC): Define.
1759 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Define.
1760 (ASM_OUTPUT_SOURCE_LINE): Define.
1761 (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Define.
1763 Fri Mar 26 01:59:15 1999 "Charles M. Hannum" <root@ihack.net>
1765 * fold-const.c (fold_truthop): Optimize bitfield references with
1766 different masks as long as their size and bit position are the same.
1768 * fold-const.c (fold_truthop): Build a type for both the lhs and
1769 rhs and use it appropriately.
1771 * fold-const.c (fold_truthop): Mask the lhs and rhs after merging
1772 adjacent bitfield references.
1774 * fold-const.c (fold_truthop): Verify that the lhs and rhs are
1775 in the same bit position when optimizing bitfield references
1776 which have the same mask.
1778 Thu Mar 25 22:53:27 1999 Martin von Löwis <loewis@informatik.hu-berlin.de>
1780 * gcc.texi (Copy Assignment): New node.
1782 1999-03-25 Zack Weinberg <zack@rabi.columbia.edu>
1784 * gcc.c: Compile unconditionally all code formerly dependent
1785 on #ifdef LANG_SPECIFIC_DRIVER.
1786 * gccspec.c: New file with stub lang_specific_driver,
1787 lang_specific_pre_link.
1788 * Makefile.in: Link gccspec.o into xgcc. Add rule to compile
1790 Thu Mar 25 21:08:02 1999 Jason Merrill <jason@yorick.cygnus.com>
1792 * gcc.texi (Temporaries): Update.
1794 Thu Mar 25 16:53:53 1999 Richard Henderson <rth@cygnus.com>
1796 * combine.c (distribute_notes): Place REG_LABEL also where
1797 REG_EQUAL indicates.
1799 Thu Mar 25 12:46:37 1999 Jim Wilson <wilson@cygnus.com>
1801 * a29k/a29k.h (TARGET_SWITCHES): Add doc strings.
1802 * i960/i960.h (TARGET_SWITCHES): Add doc strings.
1803 * invoke.texi (a29k): Add documentation for -mno-multm option.
1805 Thu Mar 25 14:04:54 1999 Andrew MacLeod <amacleod@cygnus.com>
1807 * rtl.texi (RTX_FRAME_RELATED_P): Add documentation.
1808 * rtl.h (struct rtx_def): Update comment for frame_related field.
1809 (set_unique_reg_note): Declare prototype.
1810 * dwarf2out.c (dwarf2out_frame_debug_expr): Split out from
1811 'dwarf2out_frame_debug' to handle only expressions, and process
1812 component parts of a PARALLEL expression.
1813 (dwarf2out_frame_debug): Process insns only, and call
1814 new function 'dwarf2out_frame_debug_expr' for patterns.
1815 * emit-rtl.c (set_unique_reg_note): New function to add a reg note,
1816 but if there is an existing one, delete it first.
1817 * expmed.c (expand_mult, expand_divmod): Use set_unique_reg_note.
1818 * optabs.c (add_equal_note, expand_binop): Use set_unique_reg_note.
1819 (emit_no_conflict_block, emit_libcall_block): Use set_unique_reg_note.
1820 (expand_fix): Use set_unique_reg_note.
1822 Thu Mar 25 11:47:49 1999 Art Haas <ahaas@neosoft.com>
1824 * tlink.c (symbol_hash_newfunc): Remove redundant call to
1826 (file_hash_newfunc, demangled_hash_newfunc): Likewise.
1828 Thu Mar 25 10:05:56 1999 Richard Henderson <rth@cygnus.com>
1830 * i386.h (PREFERRED_STACK_BOUNDARY): Set to 128.
1832 1999-03-25 Philip Blundell <pb@nexus.co.uk>
1834 Based on patch from Jim Studt <jim@federated.com>:
1835 * config/arm/linux-elf.h (STARTFILE_SPEC, ENDFILE_SPEC): Copy
1836 definitions from config/linux.h.
1837 (DBX_BLOCKS_FUNCTION_RELATIVE): Define to 1.
1839 Thu Mar 25 02:12:42 1999 Finn Hakansson <finn@axis.com>
1841 * loop.c (strength_reduce): Correct a comment.
1843 * rtl.h (MEM_COPY_ATTRIBUTES): Remove unnecessary ending backslash.
1845 Thu Mar 25 02:02:13 1999 Axel Thimm <Axel.Thimm@physik.fu-berlin.de>
1847 * Makefile.in (RANLIB_TEST): Improve test.
1849 Thu Mar 25 01:15:33 1999 Donn Terry <donn@interix.com>
1851 * combine.c (force_to_mode, case PLUS): Use sign extended mask
1852 when masking the low bits out of a constant.
1854 Tue Mar 23 15:45:25 1999 Richard Earnshaw (rearnsha@arm.com)
1855 Jeff Law <law@cygnus.com>
1857 * fold-const.c (make_range): If orig_type is unset, set it as soon
1858 as we know the type. Remove now unnecessary set of orig_type for
1861 Wed Mar 24 23:27:25 1999 Mark Elbrecht <snowball3@usa.net>
1862 Jeff Law <law@cygnus.com>
1864 * system.h (STDIN_FILENO): Provide default definition if one is not
1865 provided by the system header files.
1866 (STDOUT_FILENO, STDERR_FILENO): Likewise.
1868 * i386/xm-djgpp.h (COLLECT2_HOST_INITIALIZATION): New macro.
1869 * collect2.c (main): Use it.
1870 (pexecute_pid): New variable. Holds return value from call to pexecute.
1871 (collect2_execute): Rework to use pexecute instead of fork.
1872 (collect2_wait): Use pwait() instead of wait().
1874 * i386/djgpp.h: Fix typo.
1876 Wed Mar 24 23:24:30 1999 Jeffrey A Law (law@cygnus.com)
1878 * fixinc/mkfixinc.sh: Recognize cygwin* instead of only
1881 Wed Mar 24 15:44:12 1999 Nick Clifton <nickc@cygnus.com>
1883 * config/m32r/m32r.c (init_idents): Accept both NAME and __NAME__
1884 versions of attribute names and values.
1885 (m32r_valid_machine_decl_attribute): Likewise.
1886 (m32r_encode_section_info): Likewise.
1888 Wed Mar 24 21:42:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1890 * reload1.c (choose_reload_regs): If output-reloading for a
1891 simple move insn, try to inherit an equivalence for the input.
1893 1999-02-24 Mike Stump <mrs@wrs.com>
1895 * arm/aout.h (DBX_OUTPUT_MAIN_SOURCE_FILENAME): Fix quoting.
1897 1999-03-24 Jim Blandy <jimb@zwingli.cygnus.com>
1899 * libgcc2.c (__CTOR_LIST__, __DTOR_LIST__): Initialize on all
1902 Wed Mar 24 01:35:01 1999 Geoff Keating <geoffk@ozemail.com.au>
1904 * fold-const.c (fold): Recognize a rotate by an unsigned amount.
1906 Tue Mar 23 23:32:14 1999 Jeffrey A Law (law@cygnus.com)
1908 * pa.md (rotlsi3): New expander. Synthesize a variable rotate
1909 left using a variable rotate right. Provide anonymous pattern for
1910 rotate left by a constant value.
1912 * expr.c (expand_assignment): Do not try to optimize a aggregate
1913 address which has VOIDmode.
1915 Tue Mar 23 22:51:48 1999 Mumit Khan <khan@xraylith.wisc.edu>
1916 Donn Terry <donn@interix.com>
1918 * protoize.c (abspath): Preserve multiple leading slashes for
1921 1999-01-23 Mike Stump <mrs@wrs.com>
1923 * arm/vxarm.h: Split out vxWorks support into separate headerfile
1925 * arm/arm.c (cpu_defaults): Allow arm710 as default.
1927 * configure.in: Split out vxWorks support for Arm.
1928 * configure: Rebuilt.
1930 Tue Mar 23 11:20:03 1999 Per Bothner <bothner@cygnus.com>
1932 * tree.c (first_rtl_op, has_cleanups): Handle GOTO_SUBROUTINE_EXPR.
1934 Tue Mar 23 09:00:39 1999 Nick Clifton <nickc@cygnus.com>
1936 * config/arm/riscix1.h (SUBTARGET_SWITCHES): Add doc string.
1937 * config/arm/riscix1-1.h (SUBTARGET_SWITCHES): Add doc string.
1939 Tue Mar 23 07:50:20 1999 Mark Mitchell <mark@codesourcery.com>
1941 * function.c: Include hash.h.
1942 (insns_for_mem_entry): New struct.
1943 (put_reg_into_stack): Take an optional hash-table mapping MEMs to
1944 the INSNs that use them.
1945 (fixup_var_refs): Likewise.
1946 (put_addressof_into_stack): Likewise.
1947 (purge_addressof_1): Likewise. Keep the hash-table up to date if
1948 we add new instructions.
1949 (fixup_var_refs_insns): Use it to avoid searching the entire
1951 (insns_for_mem_newfunc): New function.
1952 (insns_for_mem_comp): Likewise.
1953 (insns_for_mem_walk): Likewise.
1954 (compute_insns_for_mem): Likewise.
1955 (pop_function_context_from): Pass NULL for the hash-table.
1956 (put_var_into_stack): Likewise.
1957 (gen_mem_addressof): Likewise.
1958 (flush_addressof): Likewise.
1959 (purge_addressof): Call compute_insns_for_mem to pre-compute the
1961 * Makefile.in (OBJS): Include hash.o.
1962 (function.o): Depend on hash.h.
1964 Tue Mar 23 00:39:14 1999 Jeffrey A Law (law@cygnus.com)
1966 * i386/openbsd.h (TARGET_DEFAULT): Use symbolic names instead of
1968 * i386/netbsd.h, i386/freebsd.h: Likewise.
1970 * crtstuff.c: Use ANSI function definitions. Fix minor whitespace
1973 * i386/openbsd.h (TARGET_DEFAULT): Define.
1974 * configure.in: Do not set TARGET_CPU_DEFAULT for x86 OpenBSD
1976 * configure: Rebuilt.
1978 Tue Mar 23 00:39:10 1999 John Wehle (john@feith.com)
1980 * i386/freebsd.h (TARGET_DEFAULT): Define instead
1981 of TARGET_CPU_DEFAULT.
1982 * i386/netbsd.h (TARGET_DEFAULT): Likewise.
1984 Mon Mar 22 23:52:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
1985 Donn Terry <donn@interix.com>
1987 * sdbout.c (syms.h): Don't include on Interix.
1988 * toplev.c (main): No sbrk on Interix.
1990 * configure.in: Add i386-pc-interix support.
1991 * configure: Regenerate.
1992 * fixinc.interix: New file.
1993 * config/interix.h: New file.
1994 * config/x-interix: New file.
1995 * config/xm-interix.h: New file.
1996 * i386/interix.h: New file.
1997 * i386/interix.c: New file.
1998 * i386/t-interix: New file.
2000 Mon Mar 22 23:41:49 1999 Jeffrey A Law (law@cygnus.com)
2002 * i386.h (PREFERRED_STACK_BOUNDARY): Define.
2004 Mon Mar 22 23:41:31 1999 John Wehle (john@feith.com)
2006 * i386.c (ix86_compute_frame_size): New function.
2007 (ix86_prologue, ix86_epilogue): Use it.
2008 * i386.h (INITIAL_ELIMINATION_OFFSET): Likewise.
2009 * reload1.c: Provide default for PREFERRED_STACK_BOUNDARY.
2011 Mon Mar 22 18:06:59 1999 Jim Wilson <wilson@cygnus.com>
2013 * mips/mips.h (TARGET_SWITCHES, TARGET_OPTIONS): Add option doc
2015 * mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Likewise.
2017 Mon Mar 22 16:18:27 1999 Nick Clifton <nickc@cygnus.com>
2019 * config/arm/elf.h (VALID_MACHINE_DECL_ATTRIBUTE): Do not bother
2020 passing ATTRIBUTES to arm_valid_machine_decl_attribute.
2022 * config/arm/coff.h (VALID_MACHINE_DECL_ATTRIBUTE): Do not bother
2023 passing ATTRIBUTES to arm_valid_machine_decl_attribute.
2025 * config/arm/arm.h (DEFAULT_RTX_COSTS): Do not bother passing
2026 OUTER_CODE to arm_rtx_costs - it is not used.
2027 (arm_compare_fp): Delete declaration.
2028 (FINAL_PRESCAN_INSN): Do not bother passing OPVEC or NOPERANDS to
2029 arm_final_prescan_insn - they are not used.
2030 (const_ok_for_op): Remove prototype.
2031 (arm_rtx_costs): Fix prototype.
2032 (arm_valid_machine_decl_attribute): Fix prototype.
2033 (final_prescan_insn): Fix prototype.
2035 * config/arm/arm.md: Remove references to arm_compare_fp.
2037 * config/arm/arm.c (arm_compare_fp): Delete.
2038 (const_ok_for_op): Make function static. Add prototype. Remove
2039 mode parameter - it is unused.
2040 (arm_rtx_costs): Remove outer_code parameter.
2041 (reload_memory_operand): Declare mode parameter unused.
2042 (power_of_two_operand): Declare mode parameter unused.
2043 (equality_operator): Declare mode parameter unused.
2044 (load_multiple_operation): Declare mode parameter unused.
2045 (store_multiple_operation): Declare mode parameter unused.
2046 (multi_register_push): Declare mode parameter unused.
2047 (arm_valid_machine_decl_attribute): Remove attributes parameter -
2049 (select_dominance_cc_mode): Remove op parameter - it is unused.
2050 (gen_compare_reg): Remove fp parameter - it is unused.
2051 (final_prescan_insn): Remove opvec and noperands parameters - they
2054 Mon Mar 22 14:35:28 1999 Nick Clifton <nickc@cygnus.com>
2056 * tm.texi (MD_SCHED_INIT): Add missing closing parenthesis.
2058 Mon Mar 22 22:24:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2060 * reload1.c (reload_as_needed): Set reload_is_output_reload /
2061 reload_has_output_reload for auto_inc expressions that could be
2062 reloaded. Call forget_old_reloads for REG_INC notes.
2064 Mon Mar 22 21:51:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2066 * cse.c (cse_insn): Don't change the result register of a libcall.
2068 Mon Mar 22 21:08:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2070 * rtl.h (shallow_copy_rtx): Declare.
2071 * rtl.c (shallow_copy_rtx): New function.
2072 * reload.c (find_reloads_toplev): Use shallow_copy_rtx instead of
2075 Mon Mar 22 10:44:33 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
2077 * config/h8300/h8300.md (adjust_length): New attribute.
2078 (modhi3+1, andsi3+1, iorsi3+1, extzv+1, extzv+2): Change insn
2079 default value of attribute "adjust_length" onto "no".
2081 * config/h8300/h8300.c (h8300_adjust_insn_length): Adjust
2082 length only if the attribute "adjust_length" value is "yes".
2083 Use 0 if the shift is negative.
2085 * final.c (shorten_branches): Check insn length after its
2088 Sun Mar 21 17:33:48 1999 Jeffrey A Law (law@cygnus.com)
2090 * i860.h (TARGET_SWITCHES): Add documentation for default case.
2091 * i860/paragon.h (TARGET_SWITCHES): Add documentation for default case.
2092 * i370.h (TARGET_SWITCHES): Add documentation for default case.
2093 * fx80.h (TARGET_SWITCHES): Add documentation for default case.
2094 * elxsi.h (TARGET_SWITCHES): Add documentation for default case.
2095 * clipper.h (TARGET_SWITCHES): Add documentation for default case.
2096 * 1750a.h (TARGET_SWITCHES): Add documentation for default case.
2097 * pa.h (TARGET_SWITCHES): Add documentation for default case.
2098 (TARGET_OPTIONS): Likewise for default case.
2099 * mn10300.h (TARGET_SWITCHES): Add documentation for default case.
2100 * h8300.h (TARGET_SWITCHES): Add documentation for default case.
2102 * gcse.c (dump_hash_table): Fix whitespace in declaration.
2103 (compute_transpout): Renamed from pre_compute_transpout.
2104 (compute_pre_*): Deleted.
2105 (pre_expr_reaches_here_p): New argument, CHECK_PRE_COMP. All
2107 (insert_insn_end_bb): Renamed from pre_insert_insn.
2108 (pre_*): Delete unused variables. Only leave local properties and
2109 global redundant/optimal computation points.
2110 (alloc_pre_mem, free_pre_mem): Corresponding changes.
2111 (compute_pre_data): Simplify and call pre_lcm to run the lazy
2112 code motion dataflow analysis.
2113 (pre_insert, pre_insert_copies, pre_delete): Revamp to use LCM
2114 based redundant and optimal computation points.
2116 * basic-block.h (pre_lcm, pre_rev_lcm): Declare.
2118 * toplev.c (main): A debug option without a level defaults to
2121 Sun Mar 21 12:13:01 1999 Nick Clifton <nickc@cygnus.com>
2123 * flow.c (can_delete_label_p): Do not allow user specified
2124 labels to be deleted.
2125 * dwarf2out.c (gen_label_die): Generate addresses for deleted
2126 (programmer specified) labels.
2127 * dwarfout.c (output_label_die): Generate addresses for deleted
2128 (programmer specified) labels.
2130 1999-03-21 Manfred Hollstein <manfred@s-direktnet.de>
2132 * Makefile.in (xgcc$(exeext)): Add intl.o to list of files to be
2135 Sun Mar 21 01:15:03 1999 Jeff Law (law@cygnus.com)
2137 * version.c: Bump for snapshot.
2139 Sat Mar 20 22:26:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2141 * sparc.h (TARGET_SWITCHES): Add null description to default case.
2143 Sat Mar 20 21:46:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2145 * c-lex.c (yylex): Remove unused variable `bytes'.
2147 * flow.c (print_rtl_with_bb): Cast the return value of alloca.
2149 * function.c (assign_parms): Wrap variable `varargs_setup' in
2150 macro SETUP_INCOMING_VARARGS.
2151 (thread_prologue_and_epilogue_insns): Mark parameter `f' with
2154 * local-alloc.c (no_equiv): Likewise for parameter `store'.
2156 * sched.c (schedule_insns): Remove unused variables `insn' and `next'.
2158 * tlink.c (symbol_hash_newfunc, symbol_hash_lookup,
2159 file_hash_newfunc, file_hash_lookup, demangled_hash_newfunc,
2160 demangled_hash_lookup, symbol_push, symbol_pop, file_push,
2161 file_pop, tlink_init, tlink_execute, frob_extension,
2162 obstack_fgets, tfgets, pfgets, freadsym, read_repo_file,
2163 maybe_tweak, recompile_files, read_repo_files,
2164 demangle_new_symbols, scan_linker_output): Add static prototype.
2166 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc):
2167 Make the third argument a `hash_table_key'.
2169 * toplev.c (debug_start_source_file): Mark parameter `filename'
2170 with ATTRIBUTE_UNUSED.
2172 Sun Mar 21 02:28:21 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2174 * tm.texi (Varargs): Don't split argument of @item across lines.
2176 * invoke.texi: Fix use of @item vs @itemx.
2178 Sun Mar 21 09:59:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2180 * config/c4x/c4x.h (TARGET_SWITCHES): Add null description to
2183 Sat Mar 20 23:33:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2185 * loop.c (check_dbra_loop): Fix debug message.
2187 Sat Mar 20 15:54:35 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2189 * config/c4x/c4x.md (decrement_and_branch_on_count): Emit rptb_end
2190 pattern instead of decrement_and_branch_until_zero pattern.
2192 Sat Mar 20 11:39:58 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2194 * config/c4x/c4x.h (TARGET_SWITCHES): Add documentation.
2195 * config/c4x/c4x.h (TARGET_OPTIONS): Add documentation.
2197 Fri Mar 19 23:26:29 1999 Martin von Löwis <loewis@informatik.hu-berlin.de>
2199 * expr.c (expand_expr): Handle ERROR_MARK much earlier.
2201 Fri Mar 19 15:28:38 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2203 * cccp.c (create_definition): Cast to U_CHAR* when assigning to one.
2205 * cppfiles.c (read_and_prescan): Likewise.
2206 Start a #define in column 0.
2208 * cpplib.c (cpp_define): Cast to U_CHAR* when assigning to one.
2209 (cpp_push_buffer): Likewise for cpp_buffer*.
2210 (do_include): Change the type of `fbeg' and `fend' to unsigned char*.
2211 (do_endif): Cast to char* when assigning to one.
2212 (do_assert): Likewise.
2213 (do_unassert): Likewise.
2214 (cpp_read_check_assertion): Change the type of `name' to U_CHAR*.
2215 Don't do unnecessary cast to char* anymore.
2217 * genrecog.c (make_insn_sequence): Cast to char** when assigning
2218 to one. Cast the first argument of bzero to PTR.
2220 * loop.c (strength_reduce): Remove unused variable `note'.
2222 * reload1.c (new_insn_chain): Cast to struct insn_chain* when
2225 * rtl.c (copy_rtx): Use memcpy instead of bcopy.
2227 Fri Mar 19 11:19:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2229 * calls.c (initialize_argument_information): Mark parameters
2230 `num_actuals' and `n_named_args' with ATTRIBUTE_UNUSED.
2232 * dbxout.c (dbxout_start_new_source_file): Likewise for parameter
2234 (dbxout_finish): Likewise for parameters `file' and `filename'.
2235 (dbxout_prepare_symbol): Likewise for parameter `decl'.
2236 (dbxout_begin_function): Likewise.
2238 * explow.c (hard_function_value): Likewise for parameter `func'.
2240 * function.c (locate_and_pad_parm): Likewise for parameter `fndecl'.
2242 * expmed.c (expand_divmod): Omit unused argument to `expand_abs'.
2243 * expr.c (expand_expr): Likewise.
2244 * expr.h (expand_abs): Delete unused argument from prototype.
2245 * optabs.c (expand_abs): Remove unused parameter `unsignedp'.
2247 * sdbout.c (sdbout_init): Mark parameter `syms' with ATTRIBUTE_UNUSED.
2248 (sdbout_end_block): Likewise for parameter `n'.
2250 * toplev.c (debug_define): Likewise for parameters `lineno' and
2252 (debug_undef): Likewise.
2254 * varasm.c (named_section): Likewise for parameter 'reloc'.
2255 (assemble_external): Likewise for parameter `decl'.
2256 (assemble_alias): Likewise for parameter `target'.
2258 Fri Mar 19 01:54:30 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2260 * toplev.c (read_integral_parameter): Constify. Better control of
2262 (main): Use read_integral_parameter to set optimize, id_clash_len,
2263 larger_than_size, and the debugging level.
2264 * toplev.h (read_integral_parameter): Update prototype.
2266 Fri Mar 19 01:42:05 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
2268 * system.h: Use putc_unlocked, fputc_unlocked, and
2269 fputs_unlocked only if putc_unlocked has a prototype already.
2270 Prototype fputs_unlocked if necessary.
2271 * configure.in: Check for prototypes of putc_unlocked and
2273 * acconfig.h: Updated.
2274 * config.in, configure: Rebuilt.
2276 Fri Mar 19 02:45:12 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
2278 * Makefile.in (INTL_TARGETS): New macro.
2279 ($(INTL_TARGETS)): Depend on generated sources; drop dependencies
2280 on cp/parse.c and objc/objc-parse.c.
2281 ($(srcdir)/cp/parse.c): Move to cp/Make-lang.in.
2282 * objc/Make-lang.in ($(INTL_TARGETS)): Depend on objc/objc-parse.c.
2284 Thu Mar 18 22:28:53 1999 Jeffrey A Law (law@cygnus.com)
2286 * i860.h (TARGET_SWITCHES): Add documentation.
2287 * i860/paragon.h (TARGET_SWITCHES): Add documentation.
2288 * i370.h (TARGET_SWITCHES): Add documentation.
2289 * fx80.h (TARGET_SWITCHES): Add documentation.
2290 * elxsi.h (TARGET_SWITCHES): Add documentation.
2291 * clipper.h (TARGET_SWITCHES): Add documentation.
2292 * 1750a.h (TARGET_SWITCHES): Add documentation.
2293 * pa.h (TARGET_SWITCHES): Add documentation.
2294 (TARGET_OPTIONS): Likewise.
2295 * mn10300.h (TARGET_SWITCHES): Add documentation.
2296 * h8300.h (TARGET_SWITCHES): Add documentation.
2298 Thu Mar 18 15:58:26 1999 Nick Clifton <nickc@cygnus.com>
2300 * loop.c (strength_reduce): Do not perform pseudo replacements
2301 if the loop contains volatile memory references.
2303 Thu Mar 18 19:09:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2305 * reload.c (find_reloads_toplev): When processing X recursively,
2306 don't alter it destructively except by filling in constants.
2308 Thu Mar 18 10:14:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2310 * cccp.c (default_include): Initialize structure members.
2311 (pass_thru_directive): Change the type of 'keyword_length' to int.
2312 (main): Cast `bindtextdomain' and `textdomain' to (void).
2314 * collect2.c (main): Likewise.
2316 * cppmain.c (main): Likewise.
2318 * gcc.c (main): Likewise.
2320 * gcov.c (main): Likewise.
2322 * protoize.c (main): Likewise.
2324 * toplev.c (main): Likewise.
2326 1999-03-18 Gavin Romig-Koch <gavin@cygnus.com>
2328 * config/mips/mips.c (mips_explicit_type_size_string): Correct
2331 Thu Mar 18 01:24:25 1999 Jeffrey A Law (law@cygnus.com)
2333 * configure.in: Use "exit 1", not "exit (1)".
2334 * configure: Rebuilt.
2336 Wed Mar 17 23:17:42 1999 Mark Kettenis <kettenis@gnu.org>
2338 * config/t-gnu (SYSTEM_HEADER_DIR): New variable. Set to
2339 `/include' in order to find the system's limits.h.
2341 Wed Mar 17 23:00:18 1999 Robert Lipe <robertlipe@usa.net>
2343 * fixinc/fixincl.c: Include auto-host.h instead of config.h.
2344 * fixinc/procopen.c: Likewise.
2345 * fixinc/regex.c: Likewise.
2346 * fixinc/server.c: Likewise.
2348 Wed Mar 17 22:46:13 1999 Mark Elbrecht <snowball3@usa.net.
2350 * config/i386/go32.h: Delete.
2351 * config/i386/djgpp.h: New. Renamed from go32.h.
2352 Added -DDJGPP=2 to CPP_PREDEFINES.
2353 * config/i386/go32-rtems.h: Delete.
2354 * config/i386/djgpp-rtems.h: New. Renamed from go32-rtems.h.
2355 Added -DDJGPP=2 to CPP_PREDEFINES.
2356 * config/i386/xm-go32.h: Delete.
2357 * config/i386/xm-djgpp.h: New. Renamed from xm-go32.h.
2358 * config/i386/x-go32: Delete.
2359 * config/i386/x-djgpp: New. Renamed from x-go32.
2360 * config/i386/t-go32: Delete.
2361 * config/i386/t-djgpp: New. Renamed from t-go32.
2362 * configure.in(pc-msdosdjgpp): Set xm_file to i386/xm-djgpp.h.
2363 Set tm_file to i386/djgpp.h. Set tmake_file to i386/t-djgpp.
2364 Set xmake_file to i386/x-djgpp.
2365 (*-go32-msdos, *-go32*): Remove entries. Warn that GO32/DJGPP V1.X
2366 is now unsupported and *-pc-msdosdjgpp for DJGPP V2.X should be
2368 * configure: Rebuilt.
2370 * gcc.c (process_command): Dump link_command_spec too.
2372 Wed Mar 17 20:38:08 1999 Jerry Quinn <jquinn@nortelnetworks.com>
2373 Jeff Law <law@cygnus.com>
2375 * pa.md: Add real PA8000 scheduling information.
2377 * pa.h (processor_type): Add PROCESSOR_8000 symbol.
2378 (ISSUE_RATE): Revamp, including PA8000 support.
2379 * pa.c (override_options): Add 8000 as -mschedule= option.
2380 Do not call strcmp if pa_cpu_string is null.
2381 * pa.md (attr cpu): Add 8000.
2382 * invoke.texi: Add documentation for PA8000 scheduling.
2384 Wed Mar 17 18:20:24 1999 David S. Miller <davem@redhat.com>
2386 * config/sparc/sparc.h (TARGET_SWITCHES, TARGET_OPTIONS):
2388 * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
2389 * config/sparc/splet.h (SUBTARGET_SWITCHES): Likewise.
2391 Wed Mar 17 14:51:19 1999 Richard Henderson <rth@cygnus.com>
2393 * flow.c (compute_immediate_dominators): New function.
2394 * basic-block.h (compute_immediate_dominators): Declare it.
2396 * alpha.h (HARD_REGNO_MODE_OK): Allow only 4 and 8 byte unit modes
2398 (MODES_TIEABLE_P): Define asymmetricly wrt modes illegal in FP regs.
2400 Wed Mar 17 14:41:41 1999 Nick Clifton <nickc@cygnus.com>
2402 * config/arm/aout.h (ASM_GENERATE_INTERNAL_LABEL): Fix compile
2404 * config/arm/arm.md: Fix various compile time warnings.
2405 * config/arm/arm.h: Fix various compile time warnings. Add
2406 function prototypes.
2407 * config/arm/arm.c: Fix various compile time warnings.
2408 (arm_override_options): Reorganize to separate tuning from
2410 (bit_count): New function: Return a count of the number of bits
2413 Wed Mar 17 21:29:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2415 * reload1.c (eliminate_regs): Don't keep REG_DEAD notes around for
2416 things that were eliminated.
2418 Wed Mar 17 12:16:26 1999 Richard Henderson <rth@cygnus.com>
2420 * function.c (fixup_var_refs_1): First try moving the expression
2421 directly into a register. Don't separate cc0 setter and user.
2423 Wed Mar 17 11:20:29 1999 Dave Brolley <brolley@cygnus.com>
2425 * cppfiles.c (PIPE_BUF): #define PIPE_BUF if not defined already.
2427 Wed Mar 17 09:25:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2429 * c-lex.c: Don't include setjmp.h.
2430 (parse_float): New static function.
2431 (pf_args): New struct.
2432 (yylex): Use them in call to `do_float_handler'.
2434 1999-03-16 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2436 * cexp.y (yyerror): Call verror to get a useful error message.
2439 * .gdbinit: Move command to put breakpoint at abort to end of file
2440 so that gdb does not bail out early.
2442 Tue Mar 16 15:30:19 1999 Nick Clifton <nickc@cygnus.com>
2444 * rtl.h: Rename prototype for free_bb_memory to free_bb_mem.
2446 Tue Mar 16 23:40:09 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2448 * sh.md (movsi_i): Move t/r alternative after r/rI alternative.
2450 Tue Mar 16 13:44:50 1999 Jim Wilson <wilson@cygnus.com>
2452 * mn10200/mn10200.md (addsi3, subsi3, ashlsi3, lshrsi3, ashrsi3):
2453 Delete emit_library_call_value declaration.
2455 1999-03-16 Zack Weinberg <zack@rabi.columbia.edu>
2457 * cppfiles.c (read_and_prescan): Map backslash-newline to '\r'
2458 (which cannot otherwise appear in the processed buffer) and
2459 move it out of tokens that it appears in the middle of.
2460 Improve performance.
2461 (find_position): New function.
2463 * cpplib.c: \r (one character) indicates backslash
2464 newline, not \\\n (two characters). It cannot appear in the
2465 middle of a token. Call CPP_BUMP_LINE (pfile) whenever
2466 parsing moves past \n or \r. Increment pfile->lineno whenever
2467 a \n is placed into token_buffer. Only one mark can exist at
2468 a time, and CPP_BUMP_LINE must not be used while it is
2469 active. It is automatically cleared by cpp_pop_buffer and
2470 parse_goto_mark. \r is not in is_hor_space or is_space.
2472 (NEWLINE_FIX, NEWLINE_FIX1, adjust_position,
2473 update_position, count_newlines, parse_move_mark): Removed.
2474 (parse_string, copy_comment): New functions.
2475 (parse_name): Returns void.
2476 (parse_set_mark, parse_clear_mark, parse_goto_mark): Take only
2477 one argument, a cpp_reader *. Change for new marking scheme.
2478 (skip_comment): Handle CHILL line comments too. Second
2479 argument is now first character of comment marker; all callers
2480 changed. Issue error for unterminated block comment here.
2481 (cpp_skip_hspace): Recognize CHILL comments.
2482 (copy_rest_of_line): Likewise. Call skip_comment and
2483 parse_string directly, don't go through cpp_get_token. Emit
2484 "/**/" for block comments if -traditional (create_definition
2486 (do_define): Don't play with put_out_comments.
2487 (cpp_push_buffer): Initialize ->mark to -1.
2488 (cpp_buf_line_and_col): Just read out the values in the buffer
2490 (output_line_command): Use cpp_buf_line_and_col. Fix
2491 formatting. Remove stale code.
2492 (cpp_get_token): Break out string parsing code to
2493 parse_string. Use skip_comment for CHILL comments too. Use
2494 copy_comment for put_out_comments instead of dinking with
2495 marks. Remove stale code. Don't call output_line_command
2496 unless it's necessary.
2498 * cpplib.h (parse_marker): Removed.
2499 (struct cpp_buffer): Line_base is now a unsigned char *; add
2500 `mark' [long], remove `marks' [struct parse_marker *].
2501 (parse_set_mark, parse_clear_mark, parse_goto_mark): Update
2503 (CPP_BUMP_LINE, CPP_BUMP_BUFFER_LINE): New macros.
2504 * cppinit.c (is_hor_space, is_space): '\r' is not considered
2506 * cppexp.c (cpp_parse_expression): Use cpp_skip_hspace, not
2508 * cpphash.c (macarg): Disable line commands while expanding.
2510 Tue Mar 16 11:30:19 1999 Gavin Romig-Koch <gavin@cygnus.com>
2512 * c-lex.c (yylex) : Remove warning for integer literals being
2513 larger than the largest target int. Add warning for integer
2514 literal being larger than than its chosen type.
2516 Tue Mar 16 10:53:17 1999 Gavin Romig-Koch <gavin@cygnus.com>
2518 * invoke.texi: Add -mlong32 documentation.
2519 * config/mips/mips.h (mips_explicit_type_size_string): New.
2520 (TARGET_SWITCHES): Add 'long32'.
2521 (TARGET_OPTIONS): Add 'explicit-type-size'.
2522 (CC1_SPECS): Set -mexplicit-type-size.
2523 (LONG_MAX_SPEC): Change a use of 'no-long64' to 'long32'.
2524 * config/mips/abi64.h (LONG_MAX_SPEC): Same. Add 'mabi=32'.
2525 * config/mips/mips.c (mips_explicit_type_size_string): New.
2526 (override_options): Use it.
2527 * config/mips/osfrose.h (CC1_SPECS): Set -mexplicit-type-size.
2529 * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC):
2530 Pointer size now depends on both size longs and size of GP
2533 Tue Mar 16 10:22:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
2535 * config/mips/iris.h (CTORS_SECTION_ASM_OP,DTORS_SECTION_ASM_OP,
2536 dtors_section): Use Pmode == DImode rather than TARGET_LONG64.
2537 * config/mips/mips.c (override_options): Allow -mlong64 and
2538 -mint64 with -mips2 or less.
2539 * config/mips/mips.h (MASK_LONG64): Fix comment.
2540 (POINTER_SIZE): Use Pmode == DImode rather than TARGET_LONG64.
2541 (Pmode): Make Pmode the smaller of longs or gp registers.
2542 * invoke.texi: Note the new size for pointers.
2544 Mon Mar 15 22:45:25 1999 David Edelsohn <edelsohn@gnu.org>
2546 * rs6000.h (ASM_OUTPUT_{DOUBLE,FLOAT}): Always generate IEEE 754
2547 bit-pattern directly.
2548 (ASM_OUTPUT_REG_{PUSH,POP}): Delete.
2549 * rs6000.c (first_reg_to_save): If profiling and context needed,
2550 allocate a reg to save static chain for all ABIs. For AIX
2551 profiling, calculate parameter registers to save based on need.
2552 (output_function_profiler): Save and restore static chain around
2553 profile call for all ABIs.
2555 1999-03-15 Zack Weinberg <zack@rabi.columbia.edu>
2557 * cppinit.c: Instead of one pending list, keep separate lists
2558 for each category of pending option: -D/-U, -A, -include,
2559 -imacros. Move the four partial include-path lists into the
2560 pending block. Use head and tail pointers so we don't ever
2561 have to reverse the lists.
2563 (cpp_start_read): Break out blocks of code to their own
2564 functions: install_predefs and initialize_dependency_output.
2565 Use path_include for C_INCLUDE_PATH and friends as well as
2566 CPATH. Remove include_defaults gunk. Warn about the
2567 combination of -lang-chill and -trigraphs. Optimize string
2568 bashing. Walk each pending list once, deallocating as we go.
2570 (append_include_chain): Brought over from cppfiles.c. Mark
2571 dirs as system include dirs if and only if appending to
2572 system include path. If opts->verbose, print a notice when a
2573 dir is dropped from the include path because it doesn't
2574 exist. Fix memory leak: this function is not supposed to copy
2577 (nreverse_pending, push_pending): Removed.
2578 (APPEND): New macro for adding to pending lists.
2579 (path_include): Can now add to any partial include path.
2580 (base_name): Bring over from cccp.c.
2581 (cpp_options_init): Allocate the pending block.
2582 (cpp_handle_option): Add --version. Exit after --help. Fix
2583 formatting. Order -ifoo options by frequency of usage.
2584 (install_predefs): New function, simplified version of code
2585 that was in cpp_start_read.
2586 (initialize_dependency_output): Likewise. Understand OBJECT_SUFFIX.
2588 * cppfiles.c (simplify_pathname): Export.
2589 (merge_include_chains): Don't nreverse the lists. If
2590 opts->verbose, print a notice when a duplicate dir is detected
2591 and dropped from the include path.
2592 (finclude): Fix excessive cleverness in setting
2593 fp->system_header_p.
2594 (actual_directory): Set x->sysp from
2595 CPP_BUFFER (pfile)->system_header_p so that one system header
2596 may include another with "".
2597 (deps_output): Fix double adjustment of deps_size which would
2598 cause all dependencies after the first two lines to be lost.
2600 * cpplib.c (cpp_unassert): New function.
2601 * cpplib.h: Lay out struct cpp_pending here. Adjust
2602 prototypes. Add include_prefix_len to struct cpp_options.
2604 Mon Mar 15 16:01:52 1999 Jim Wilson <wilson@cygnus.com>
2606 * config/misp/mips.h (REGISTER_MOVE_COST): Make the cost of moving
2607 from HI/LO/HILO/MD into general registers the same as for one
2608 of moving general registers to HI/LO/HILO/MD.
2610 Mon Mar 15 12:39:38 1999 Nick Clifton <nickc@cygnus.com>
2612 * config/m32r/m32r.c (init_idents): New function. Initialize
2613 static tree nodes for m32r specific attribute identifiers. Remove
2614 leading and trailing double underscores from the attribute names.
2615 (m32r_valid_machine_decl_attribute): Call init_idents.
2616 (m32r_encode_section_info): Call init_idents.
2618 Mon Mar 15 10:20:20 1999 Mark Mitchell <mark@markmitchell.com>
2620 * reload.c (find_reloads): Add a REG_LABEL note if we substitute a
2621 LABEL_REF for something else.
2623 Mon Mar 15 08:24:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2625 * fold-const.c (exact_real_inverse): Move variable `float_error'
2626 into the scope where it is used.
2627 (const_binop_1): New static function.
2628 (cb_args): New struct.
2629 (const_binop): Use them in call to `do_float_handler'.
2630 (fold_convert_1): New static function.
2631 (fc_args): New struct.
2632 (fold_convert): Use them in call to `do_float_handler'.
2634 Mon Mar 15 22:50:18 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2636 * rtlanal.c (auto_inc_p): New function.
2637 * rtl.h (auto_inc_p): Prototype it.
2638 * reload1.c (add_auto_inc_notes): New function.
2639 (reload): Strip REG_INC notes and call add_auto_inc_notes
2640 for each insn to restore them correctly.
2642 1999-03-15 Manfred Hollstein <manfred@s-direktnet.de>
2644 * fixinc/Makefile.in (procopen.o): List the actual
2647 Sun Mar 14 16:22:10 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2649 * cse.c (check_fold_consts): New static function.
2650 (cfc_args): New struct.
2651 (simplify_relational_operation): Use them in call to
2654 * toplev.c (do_float_handler): New function to wrap calls to
2655 setjmp/set_float_handler.
2657 * toplev.h (do_float_handler): Add extern prototype.
2659 * tree.c (build_real_from_int_cst_1): New static function.
2660 (brfic_args): New struct.
2661 (build_real_from_int_cst): Use them in call to
2664 Sun Mar 14 01:15:06 1999 Jeff Law (law@cygnus.com)
2666 * version.c: Bump for snapshot.
2668 Sat Mar 13 17:37:18 1999 Richard Henderson <rth@cygnus.com>
2670 * haifa-sched.c (sched_analyze_1): Only clear reg_last_uses on a SET.
2672 Sat Mar 13 11:36:16 1999 Richard Earnshaw (rearnsha@arm.com)
2674 * arm.c (arm_split_constant): Don't try to force a constant to
2675 memory after arm_reorg has run.
2676 (after_arm_reorg): New static variable.
2677 (arm_reorg): Set it.
2678 (output_func_epilogue): Clear it.
2680 Fri Mar 12 20:26:32 1999 David Edelsohn <edelsohn@gnu.org>
2682 * configure.in ({rs6000,powerpc}-ibm-aix*): Set float_format to none.
2683 * configure: Rebuilt.
2685 Fri Mar 12 20:45:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2687 * unroll.c (loop_iterations): Don't return a final value for EQ
2690 Fri Mar 12 12:35:01 1999 Jim Wilson <wilson@cygnus.com>
2692 * reload1.c (calculate_needs_all_insns): When ignore equivalence
2693 setting insn, clear need_elim, need_reload, and need_operand_change.
2695 Fri Mar 12 07:54:43 1999 Bruce Korb <korb@datadesign.com>
2697 * fixinc/fixinc.*: Some changes from the fixincl-branch
2698 were not applied (??!!). Corrected.
2700 * fixinc/Makefile.in: Same thing.
2702 Fri Mar 12 00:51:43 1999 Jeffrey A Law (law@cygnus.com)
2704 * expr.c (expand_expr): Allow a CALL_EXPR with a mode wider than
2705 MAX_INTEGER_COMPUTATION_MODE.
2707 Thu Mar 11 14:00:58 1999 Richard Henderson <rth@cygnus.com>
2709 * alpha.h (HARD_REGNO_MODE_OK): Disallow QI/HImode in fp regs.
2710 (MODES_TIEABLE_P): Update.
2712 * alpha.md (ev5_e0): Conflict loads and stores.
2714 Thu Mar 11 13:55:52 1999 Richard Henderson <rth@cygnus.com>
2716 * machmode.h (smallest_mode_for_size): Prototype.
2717 * stor-layout.c (smallest_mode_for_size): Remove static.
2719 Thu Mar 11 21:25:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2721 * loop.c (strength_reduce): Don't do biv increment -> DEST_REG giv
2722 conversion if we don't know the lifetime.
2724 Thu Mar 11 20:37:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2726 * reload.1c (delete_address_reloads_1): Check for reloads of
2727 CURRENT_INSN even if it sets DST.
2729 Thu Mar 11 10:29:50 1999 Jason Merrill <jason@yorick.cygnus.com>
2731 * dwarf2out.c (add_AT_lbl_offset): Rename from add_AT_section_offset.
2732 (print_die, size_of_die, value_format, output_die): Adjust.
2734 Thu Mar 11 10:27:42 1999 Robert Lipe <robertlipe@usa.net>
2736 * dwarf2out.c (TEXT_SECTION_LABEL, DEBUG_LINE_SECTION_LABEL,
2737 DEBUG_INFO_SECTION_LABEL, ABBREV_SECTION_LABEL,
2738 text_section_label, debug_line_section_label,
2739 debug_info_section_label, abbrev_section_label): New.
2740 (output_compilation_unit_header): Emit label associated
2741 with section instead of section name itself.
2742 (out_pubnames, output_aranges, output_line_info,
2743 dwarf2out_finish): Likewise.
2744 (dwarf2out_init): Build internal label names for sections
2747 Thu Mar 11 17:28:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2749 * sh.md (mulsi3): End mul.l sequence with a no-op move.
2751 Thu Mar 11 08:52:02 1999 Bruce Korb <korb@datadesign.com>
2753 * Makefile.in: Activated fixinc/mkfixinc.sh.
2754 * configure.in: Activated fixinc/mkfixinc.sh.
2756 Thu Mar 11 01:38:02 1999 Mumit Khan <khan@xraylith.wisc.edu>
2758 * cppfiles.c (INO_T_EQ): Handle UWIN.
2760 * c-common.c (decl_attributes): Flag unrecognized attribute
2761 functions as warnings instead of as errors.
2763 Support for i386-pc-uwin.
2764 * i386/uwin.h: New file.
2765 * i386/xm-uwin.h: New file.
2766 * i386/t-uwin: New file.
2767 * i386/uwin.asm: New file.
2768 * configure.in (i[3456]86-*-uwin*): Define.
2769 Add Workaround for vfork bug when hosted on uwin.
2770 * configure: Regenerate.
2772 * cccp.c (INO_T_EQ): Undefine. UWIN has inodes.
2773 (absolute_filename): UWIN uses POSIX pathnames only.
2774 * libgcc2.c (getpagesize): Do not define for UWIN.
2775 (mprotect): Likewise.
2776 * protoize.c (dirent.h): Conditionally include.
2777 (fputc): Prototype only if it's not a macro.
2779 Wed Mar 10 02:49:04 1999 Jason Merrill <jason@yorick.cygnus.com>
2781 * configure.in: Remove init_priority stuff.
2783 1999-03-11 Colin Smith <colin@wrs.com>
2785 * sdbout.c (plain_type_1): Make boolean types work better with sdb.
2787 Thu Mar 11 00:20:52 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
2789 * gcc.texi: Update bug reporting instructions to match
2790 current ezmlm list reality.
2792 Wed Mar 10 23:11:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2794 * gcc.c (print_file_name, print_prog_name, spec_machine,
2795 read_specs, set_spec, lookup_compiler, build_search_list,
2796 putenv_from_prefixes, find_a_file, record_temp_file,
2797 delete_if_ordinary, handle_braces, do_spec, do_spec_1, find_file,
2798 is_directory, validate_switches, used_arg, default_arg,
2799 pfatal_with_name, perror_with_name, pfatal_pexecute, fatal, error,
2800 notice, add_preprocessor_option, add_assembler_option,
2801 add_linker_option, process_command, execute,
2802 unused_prefix_warnings, clear_args, fatal_error,
2803 lang_specific_driver, user_specs, compiler, link_command_spec,
2804 option_map, translate_options, make_temp_file, temp_name,
2805 programname, path_prefix, machine_suffix, just_machine_suffix,
2806 gcc_exec_prefix, standard_exec_prefix, standard_exec_prefix_1,
2807 md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1,
2808 standard_startfile_prefix, standard_startfile_prefix_1,
2809 standard_startfile_prefix_2, tooldir_base_prefix, tooldir_prefix,
2810 multilib_dir, temp_filename, temp_file, command, switchstr,
2811 infile, outfiles, input_filename, input_basename, input_suffix,
2812 check_live_switch, main): Qualify a char* with the `const' keyword.
2814 Wed Mar 10 20:28:29 1999 Jeffrey A Law (law@cygnus.com)
2817 * Makefile.in (OBJS): Add lcm.o.
2818 (lcm.o): Add dependencies.
2820 * gcse.c (compute_pre_local_properties): Delete.
2821 (compute_pre_data): Use compute_local_properties instead of
2822 compute_pre_local_properties.
2824 * gcse.c: More comments, whitespace and similar fixes.
2825 (dump_cuid_table, maybe_set_rd_gen, dump_cprop_data): Delete.
2826 (dump_pre_data, compute_cprop_local_properties): Likewise.
2827 (one_classic_gcse_pass): Lose unused argument. All callers changed.
2828 (compute_hash_table, compute_expr_hash_table): Likewise.
2829 (compute_set_hash_table, one_pre_gcse_pass, mark_call): Likewise.
2830 (cprop_insn, cprop, one_cprop_pass): Add new argument ALTER_JUMPS.
2831 All callers changed. Only alter jumps if ALTER_JUMPS is nonzero.
2832 Lose unused argument.
2833 (gcse_main): Always run a cprop pass after finishing global cse.
2834 (compute_local_properties): New function.
2835 (hash_scan_pat, hash_scan_insn): No longer call maybe_set_rd_gen.
2836 (compute_cprop_data): Use compute_local_properties.
2838 * gcse.c: Update various comments.
2839 (current_function_calls_longjmp): Delete declaration.
2841 * gcse.c (run_jump_opt_after_gcse): New variable.
2842 (gcse_main): Returns an integer.
2843 (hash_scan_set): Record initializations from CONST_DOUBLEs too.
2844 (try_replace_reg): Update some comments.
2845 (cprop_insn): Allow propagation into some JUMP_INSNs too.
2846 * rtl.h (gcse_main): Update prototype.
2847 * toplev.c (rest_of_compilation): If gcse_main returns nonzero,
2848 then run a jump optimization pass.
2849 * jump.c (delete_barrier_successors): Delete nop jumps too.
2851 Wed Mar 10 19:04:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2853 * sh.c (fp_arith_reg_operand): Actually test if reg is suitable
2854 for FP arithmetic. Changed caller.
2855 * sh.md (subsf3, subsf_i): Use fp_arith_reg_operand.
2857 Wed Mar 10 18:56:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2859 * reload1.c (choose_reload_regs): When inheriting from the frame
2860 pointer, don't clobber it.
2862 Wed Mar 10 08:01:52 1999 Bruce Korb <korb@datadesign.com>
2864 * fixinc/fixinc.*: Resync-ed with the files in this
2867 * fixinc/mkfixinc.sh: The machine case elements were
2868 out-of-order. (the ix86-*-linux-gnu* entry needed to
2871 Wed Mar 10 00:01:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2873 * reload1.c (reload_combine_note_store): Fix calculation of number
2874 of affected registers.
2876 Tue Mar 9 15:48:15 1999 Richard Henderson <rth@cygnus.com>
2878 * flow.c (tidy_fallthru_edge): Be more careful finding the last
2879 BARRIER of a list. Delete the cc0 setter as well as a cond jump.
2881 Tue Mar 9 15:26:02 1999 Hans-Peter Nilsson <hp@bitrange.com>
2883 * i386.md (ashlsi3 splitter): Fix typo in last change.
2885 Tue Mar 9 11:35:20 1999 Richard Henderson <rth@cygnus.com>
2887 * reg-stack.c (stack_reg_life_analysis): Use returnjump_p
2888 instead of an explicit test for RETURN.
2890 Tue Mar 9 09:33:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2892 * Makefile.in (toplev.o): Depend on $(BASIC_BLOCK_H).
2894 * toplev.c: Include basic-block.h.
2896 Tue Mar 9 02:08:17 1999 Jeffrey A Law (law@cygnus.com)
2898 * calls.c (load_register_parameters): New function.
2899 (expand_call): Use it.
2901 * calls.c (expand_call): Slightly reorganize code.
2903 * calls.c (compute_argument_addresses): New function.
2904 (rtx_for_function_call): New function.
2905 (expand_call): Use them.
2907 * i386.md (zero_extendhisi2): Split into an expander and anonymous
2908 pattern. Add new anonymous pattern for use when optimizing for
2909 size or for the PPro.
2910 (zero_extendqihi2, zero_extendqisi2): Likewise.
2912 Mon Mar 8 23:43:47 1999 Richard Henderson <rth@cygnus.com>
2914 * haifa-sched.c (sched_analyze_1): Fix last change -- add clobber
2915 dependencies to sets in the non-hard-reg case too.
2917 Mon Mar 8 18:55:21 1999 Marc Espie <espie@cvs.openbsd.org>
2919 * config/openbsd.h (HANDLE_SYSV_PRAGMA): Define.
2921 Mon Mar 8 16:04:44 1999 Jim Wilson <wilson@cygnus.com>
2923 * local-alloc.c (combine_regs): Don't combine if we have a hard reg
2924 for which CLASS_LIKELY_SPILLED_P is true.
2926 * unroll.c (loop_iterations): Only call loop_find_equiv_value if we
2927 have a REG or SUBREG.
2929 Mon Mar 8 15:27:42 1999 Jeffrey A Law (law@cygnus.com)
2931 * i386.md (ashlsi3): Revise comments. Provide new anonymous
2932 pattern for Pentium and PPro/PII. Reverse constraints in
2933 generic ashlsi3 anonymous pattern.
2935 * calls.c (initialize_argument_info): Accept a pointer to
2937 (expand_call): Pass the address of CUMULATIVE_ARGS.
2939 * rs6000/xm-sysv4.h (HOST_BITS_PER_LONGLONG): Remove #if 0.
2941 * mn10300.h (CASE_DROPS_THROUGH): Delete.
2942 * mn10200.h (CASE_DROPS_THROUGH): Delete.
2943 * h8300.h (CASE_DROPS_THROUGH): Delete.
2945 * flow.c (merge_blocks_nomove): For HAVE_cc0 targets, make sure
2946 to also delete the cc0 setter when deleting a conditional branch
2949 Mon Mar 8 18:47:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2951 * regmove.c (copy_src_to_dest): New argument max_old_uid.
2953 Mon Mar 8 08:23:00 1999 Bruce Korb <korb@datadesign.com>
2955 * ChangeLog: Merged entries from fixincl-branch.
2957 Sun Mar 7 11:48:56 1999 Richard Henderson <rth@cygnus.com>
2959 * haifa-sched.c (ENCODE_BLOCKAGE): Don't shift unit too far.
2960 (print_exp): Special case addition of a constant.
2961 (print_value) [CONST_INT]: Use HOST_WIDE_INT_PRINT_HEX.
2963 Sun Mar 7 11:21:02 1999 Richard Henderson <rth@cygnus.com>
2965 * haifa-sched.c (reg_last_clobbers): New.
2966 (reg_pending_clobbers, bb_reg_last_clobbers): New.
2967 (compute_block_backward_dependences): Allocate memory for them.
2968 (schedule_region): Likewise.
2969 (sched_analyze_1): Clobbers don't interfere with one another.
2970 They do interfere with sets ...
2971 (sched_analyze_2): ... and uses.
2972 (sched_analyze): Likewise.
2973 (sched_analyze_insn): Update reg_last_clobbers appropriately.
2975 Sun Mar 7 08:30:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2977 * gmon-sol2.c: Include config.h and system.h. Don't redundantly
2978 include system header files.
2980 (moncontrol, monstartup, _mcleanup, internal_mcount): Prototype.
2981 (_mcleanup): Add the `const' keyword to a char*.
2982 (internal_mcount): Declare `etext' as a char[] not a function.
2983 Cast `etext' to char* when calling `monstartup'.
2985 * sparc.c (frame_base_name, save_regs, restore_regs,
2986 build_big_number, sparc_cmodel_string, sparc_align_loops_string,
2987 sparc_align_jumps_string, sparc_align_funcs_string, code_model,
2988 cpu_default, cpu_table, output_function_prologue,
2989 output_function_epilogue, output_return,
2990 sparc_flat_output_function_prologue, ultra_code_names,
2991 sparc_flat_output_function_epilogue): Constify a char*.
2992 (hypersparc_adjust_cost): Add a default case in a switch.
2994 * sparc.h (sparc_cmodel_string, OVERRIDE_OPTIONS,
2995 sparc_cpu_select, sparc_align_loops_string,
2996 sparc_align_jumps_string, sparc_align_funcs_string,
2997 output_return): Constify a char*.
2999 * sparc.md (movdi): Change the comparison of HOST_BITS_PER_WIDE_INT
3000 so that we check "== 32", instead of "!= 64". Cast a value to
3001 HOST_WIDE_INT when comparing against one. Hide the declaration
3002 for variable `chain'.
3004 Sun Mar 7 08:05:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3006 * system.h (const, inline): Move the stage2 handling of these
3007 keywords-as-macros from here...
3009 * gansidecl.h (const, inline): ...to here.
3011 Sun Mar 7 02:44:15 1999 Richard Henderson <rth@cygnus.com>
3013 * recog.c (push_operand, pop_operand): VOIDmode needn't match modes.
3015 Sun Mar 7 01:58:47 1999 Richard Henderson <rth@cygnus.com>
3017 * cse.c (canon_hash): Never reject hard regs in CCmode.
3019 Sun Mar 7 01:15:04 1999 Jeff Law (law@cygnus.com)
3021 * version.c: Bump for snapshot.
3023 Sat Mar 6 17:18:44 1999 Richard Earnshaw (rearnsha@arm.com)
3024 Richard Henderson <rth@cygnus.com>
3026 * flow.c (make_edges): Handle casesi that jump to default branch.
3027 If CASE_DROPS_THROUGH, force fallthru to block after casesi.
3029 Sat Mar 6 07:49:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3031 * c-aux-info.c (data_type, affix_data_type, gen_decl,
3032 gen_formal_list_for_type, gen_formal_list_for_func_def, gen_type):
3033 Qualify a char* with the `const' keyword.
3035 * c-common.c (declare_hidden_char_array, add_attribute, if_elt,
3036 declare_function_name, decl_attributes, format_char_info,
3037 check_format_info, binary_op_error): Likewise.
3039 * cexp.y (yyerror, error, pedwarn, warning, token): Likewise.
3041 * gcse.c (dump_hash_table): Likewise.
3043 * integrate.c (function_cannot_inline_p): Likewise.
3045 * optabs.c: Include insn-config.h earlier.
3046 (init_libfuncs, init_integral_libfuncs, init_floating_libfuncs):
3047 Qualify a char* with the `const' keyword.
3049 * real.c (asctoe24, asctoe53, asctoe64, asctoe113, asctoe,
3050 asctoeg, mtherr, ereal_atof): Likewise.
3052 * real.h (ereal_atof): Likewise.
3054 * sbitmap.c (dump_sbitmap_vector): Likewise.
3056 * sbitmap.h (dump_sbitmap_vector): Likewise.
3058 * stmt.c (nesting, n_occurrences, expand_start_case): Likewise.
3060 * toplev.c (rest_of_compilation): Likewise.
3062 * tree.h (function_cannot_inline_p, expand_start_case): Likewise.
3064 Fri Mar 5 23:16:42 1999 David Edelsohn <edelsohn@gnu.org>
3066 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Add 64-bit support and do
3067 not overwrite AIX link register save area.
3069 Fri Mar 5 23:08:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3071 * reload.c (find_reloads_subreg_address): Actually create the USE
3072 for the register, not the new memory location.
3074 Fri Mar 5 21:41:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3076 * reload1.c (emit_reload_insns): If pseudo that can't be replaced
3077 with its equivalent constant, fall back to reload_in.
3079 Fri Mar 5 13:20:39 1999 Richard Henderson <rth@cygnus.com>
3081 * Makefile.in: Delete .flow2 debugging files.
3083 Fri Mar 5 11:36:11 1999 Nick Clifton <nickc@cygnus.com>
3085 * config/arm/arm.c (arm_override_options): Change default target
3086 cpu selection so that enabling TARGET_APCS_32 does not override
3089 Fri Mar 5 19:26:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3091 * sh.h (SLOW_BYTE_ACCESS): Define to 1.
3092 (BOOL_TYPE_SIZE): Define.
3094 Fri Mar 5 02:14:54 1999 John Wehle (john@feith.com)
3096 * function.c (assign_stack_temp_for_type): Abort
3097 if mode == Blkmode and align is less than
3098 BIGGEST_ALIGNMENT / BITS_PER_UNIT.
3099 (assign_stack_temp_for_type): Round the size parameter
3100 passed to assign_stack_local instead of size itself.
3102 Thu Mar 4 15:00:35 1999 Richard Henderson <rth@cygnus.com>
3104 * flow.c (delete_unreachable_blocks): Mark blocks as they
3105 are put on to the worklist, not as they are taken off.
3107 Thu Mar 4 00:05:44 1999 Jeffrey A Law (law@cygnus.com)
3109 * function.c (current_function_has_computed_jump): Remove duplicate
3112 Wed Mar 3 19:09:11 1999 Jim Wilson <wilson@cygnus.com>
3114 * m68k/m68020-elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Undef.
3115 (STARTFILE_SPEC, ENDFILE_SPEC): Define to empty string.
3117 * sparc/elf.h (MULDI3_LIBCALL, DIVDI3_LIBCALL, UDIVDI3_LIBCALL,
3118 MODDI3_LIBCALL, UMODDI3_LIBCALL, STDC_0_IN_SYSTEM_HEADERS): Undef.
3119 (INIT_SUBTARGET_OPTABS): Define to empty.
3121 Wed Mar 3 00:00:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3123 * sh.c (force_into): New function.
3124 (expand_block_move): Use it.
3126 Tue Mar 2 10:39:43 1999 Nick Clifton <nickc@cygnus.com>
3128 * cccp.c (struct default_include): Add 'included' field.
3129 (main): Set 'included' field when a default include directory
3130 is added to the chain. If -v is specified list all default
3131 include directories which do not get appended to the chain.
3133 Tue Mar 2 09:24:10 1999 Nick Clifton <nickc@cygnus.com>
3135 * configure.in (gxx_include_dir): Rename to
3136 gcc_gxx_include_dir in order to prevent it being overridden by
3137 a top level Makefile.
3138 (gcc_tooldir): If $exec_prefix != $prefix then use the
3139 difference between the two as the basis for gcc_tooldir.
3141 * configure: Rebuild.
3143 * Makefile.in: Rename gxx_include_dir to gcc_gxx_include_dir.
3145 Tue Mar 2 16:45:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3147 * unroll.c (copy_loop_body): Don't make extra copies of
3148 NOTE_INSN_LOOP_CONT notes.
3150 Tue Mar 2 07:44:56 1999 Mark Mitchell <mark@markmitchell.com>
3152 * tree.c (save_tree_status): Don't treat functions with no context
3155 Tue Mar 2 09:37:05 1999 Robert Lipe <robertlipe@usa.net>
3157 * Makefile.in (MAKEINFO): Use makeinfo built from sibling
3158 tree when available.
3160 Tue Mar 2 10:12:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3162 * alpha.c (alpha_cpu_name, alpha_cpu_string, alpha_tp_string,
3163 alpha_fprm_string, alpha_fptm_string, alpha_mlat_string,
3164 current_function_file): Add the `const' keyword.
3165 (normal_memory_operand): Mark parameter `mode' with
3167 (alpha_expand_unaligned_load): Add a default case to a switch.
3169 * alpha.h (alpha_cpu_string, alpha_fprm_string, alpha_fptm_string,
3170 alpha_tp_string, alpha_mlat_string): Add the `const' keyword.
3171 (normal_memory_operand): Add prototype.
3173 * alpha.md: Cast an expression to `unsigned HOST_WIDE_INT' when
3174 comparing against one.
3176 Tue Mar 2 10:00:21 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3178 * mips.c (abort_with_insn): Make function static, add a prototype,
3179 constify 2nd parameter and mark with ATTRIBUTE_NORETURN.
3180 (current_function_file, mips_cpu_string, mips_isa_string,
3181 mips_abi_string, mips_no_mips16_string, mips_entry_string,
3182 mips_move_1word, mips_move_2words, output_block_move, load_store,
3183 override_options, make_temp_file, mips16_fp_args): Qualify a char*
3184 with the `const' keyword.
3186 * mips.h (current_function_file, mips_cpu_string, mips_isa_string,
3187 mips_abi_string, mips_entry_string, mips_no_mips16_string,
3188 mips_move_1word, mips_move_2words, output_block_move): Likewise.
3189 (abort_with_insn): Remove extern prototype.
3191 * mips.md: Qualify a char* with the `const' keyword.
3192 Remove many unused variables named `label'.
3194 Tue Mar 2 01:27:52 1999 H.J. Lu (hjl@gnu.org)
3196 * Makefile.in (cpp_install_dir, INSTALL_CPP, UNINSTALL_CPP): New
3198 (install-cpp, uninstall-cpp): New targets.
3199 (install-normal): Depend on $(INSTALL_CPP).
3200 (uninstall): Depend on $(UNINSTALL_CPP).
3201 * configure.in (cpp_install_dir): New, substitute.
3202 (tmake_file): Added t-install-cpp for --enable-cpp.
3203 * configure: Rebuilt.
3204 * cpp.sh: New cpp script.
3205 * config/t-install-cpp: New target fragment.
3207 Tue Mar 2 01:40:01 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3208 Jeffrey A Law (law@cygnus.com)
3210 * cse.c (fold_rtx): Update comments for (const (minus (label) (label)))
3212 (cse_insn): Avoid creating a bogus REG_EQUAL note for
3213 (const (minus (label) (label)))
3214 (record_jump_cond): Fix mismatched paren in comment.
3216 Tue Mar 2 01:07:12 1999 Dan Nicolaescu <dann@godzilla.ics.uci.edu>
3218 * final.c (end_final): There are 11 words in the "main header"
3221 Tue Mar 2 00:09:18 1999 Marc Espie <espie@cvs.openbsd.org>
3223 * extend.texi: Reference __extension__ in the index.
3225 Mon Mar 1 19:09:32 1999 Jim Wilson <wilson@cygnus.com>
3227 * Makefile.in (CROSS_FLOAT_H): Delete.
3228 (FLOAT_H): Use float_h_file.
3229 (rest.cross, stmp-int-hdrs): Delete gfloat.h dependency.
3231 (stmp-int-hdrs): Use FLOAT_H instead of gfloat.h.
3232 (mostlyclean): Delete gloat.h reference.
3233 (install-cross-rest, install-float-h-cross, stmp-headers): Update
3235 * configure.in (sparcv9-*-solaris2*): Set float_format to none.
3236 (sparc-*-solaris2*): Set float_format to none for 2.5 and higher.
3237 (float_h_file): Set from float_format. Substitute into Makefile.in.
3238 (float_format): No longer substitute into Makefile.in.
3239 * cross-make (FLOAT_H): Delete.
3240 * config/mips/t-cross64 (FLOAT_H): Delete.
3241 * configure: Rebuilt.
3243 Mon Mar 1 16:36:18 1999 Jeffrey A Law (law@cygnus.com)
3245 * mips.md (div_trap_normal, div_trap_mips16): Require the dependent
3246 insn to be an INSN before looking at its pattern.
3248 Mon Mar 1 15:03:51 1999 Jim Wilson <wilson@cygnus.com>
3250 * config/m68k/lb1sf68.asm (udivsi3): Change jmi to jcs. Fix comments.
3251 * config/m68k/m68k.h (LEGITIMATE_INDEX_REG_P): Reject SIGN_EXTEND of
3252 HImode reg when TARGET_5200.
3254 Mon Mar 1 21:44:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3256 From Toshiyasu Morita:
3257 * sh.h (CACHE_LOG): SH2 has cache, too.
3259 Mon Mar 1 14:23:36 1999 Catherine Moore <clm@cygnus.com>
3261 * toplev.c (compile_file): Disable -ffunction-sections and
3262 debugging warning if the object format is elf.
3264 Mon Mar 1 11:46:25 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
3266 * config/h8300/h8300.c (print_operand): Use 16 bit addressing
3267 when the data in 8-bit area and can not be addressed by 8-bit.
3269 Sun Feb 28 16:40:00 1999 Richard Henderson <rth@cygnus.com>
3271 * flow.c (create_basic_block): Disregard integrated bb notes.
3273 Sun Feb 28 15:57:06 1999 Richard Henderson <rth@cygnus.com>
3275 * sparc.md (blockage, nonlocal_goto_receiver): Set length to 0.
3277 Sun Feb 28 14:47:53 1999 Arturo Montes <mitosys@colomsat.com.co>
3279 * config/i386/t-sco5gas (crti.o): New target.
3281 Sun Feb 28 15:10:17 1999 David Edelsohn <edelsohn@gnu.org>
3283 * rs6000.md (elf_high, movsi_got, *movsi_got_internal,
3284 *movsi_got_internal_mem, GOT splitter, movdf_hardfloat32,
3285 movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64,
3286 load_multiple, allocate_stack, call_indirect_aix32,
3287 call_indirect_aix64, call_value_indirect_aix32,
3288 call_value_indirect_aix64, call_indirect_nt,
3289 call_value_indirect_nt): Use gpc_reg_operand instead of
3292 Sun Feb 28 15:10:17 1999 Michael Meissner <meissner@cygnus.com>
3294 * rs6000.md (one_cmplsi2, andsi3, iorsi3, xorsi3, *eqvsi3,
3295 *andcsi3, *iorcsi3, *nandsi3, *norsi3): Add alternatives to use CR
3297 * rs6000.c (and{,64}_operand): If the user did -ffixed-cr0, don't
3298 allow andi. or andis. which always set cr0.
3300 Sun Feb 28 01:15:04 1999 Jeff Law (law@cygnus.com)
3302 * version.c: Bump for snapshot.
3304 Sun Feb 28 02:00:38 1999 Jeffrey A Law (law@cygnus.com)
3306 * invoke.texi: Update information for PA scheduling.
3308 Sat Feb 27 23:21:47 1999 Jerry Quinn <jquinn@nortelnetworks.com>
3309 Mike Stump <mrs@wrs.com>
3311 * pa.c (override_options): Change default to 7100LC.
3313 * pa.h (REG_ALLOC_ORDER): Change order to allocate left half of
3314 float regs before right half of float regs.
3316 Sat Feb 27 22:48:38 1999 H.J. Lu (hjl@gnu.org)
3317 Jeffrey A Law (law@cygnus.com)
3319 * frame.h: Update some comments.
3320 * defaults.h (TARGET_ATTRIBUTE_WEAK): Define.
3321 * crtstuff.c (__register_frame_info, __deregister_frame_info): Declare
3322 using TARGET_WEAK_ATTRIBUTE.
3323 (__do_global_dtors_aux): Check if __deregister_frame_info is
3324 zero before calling it.
3325 (__do_global_dtors): Likewise.
3326 (frame_dummy): Check if __register_frame_info is zero before
3328 (__frame_dummy): Likewise.
3330 Sat Feb 27 19:18:24 1999 Jeffrey A Law (law@cygnus.com)
3332 * SERVICE: Update from the FSF.
3334 Sat Feb 27 14:31:22 1999 Arturo Montes <mitosys@colomsat.com.co>
3336 * config/i386/t-sco5 (crti.o): New target.
3337 * config/i386/sco5.h (STARTFILE_SPEC): Include crti.o when
3339 * configure.in (i[34567]86-*-sco3.2v5*): Add crti.o.
3341 Sat Feb 27 01:12:40 1999 Jeffrey A Law (law@cygnus.com)
3343 * md.texi (prologue,epilogue): Document named patterns.
3345 Fri Feb 26 19:31:25 1999 Dave Love <fx@gnu.org>
3347 * md.texi, invoke.texi: Fix unterminated @xrefs.
3349 Fri Feb 26 15:33:45 1999 Richard Henderson <rth@cygnus.com>
3351 * genattrtab.c (simplify_knowing): Fix uninitialized read
3354 * genextract.c (main): Clear recog_operands before extracting.
3356 Fri Feb 26 02:24:57 1999 Jeffrey A Law (law@cygnus.com)
3358 * c-pragma.c (add_weak); Delete. Moved into...
3359 * varasm.c (add_weak): New external function.
3360 (declare_weak): If HANDLE_PRAGMA_WEAK, then add the function to
3361 the list of weak functions.
3362 * c-pragma (add_weak): Declare.
3364 Thu Feb 25 23:43:59 1999 Richard Henderson <rth@cygnus.com>
3366 Flow rewrite to use basic block structures and edge lists:
3368 * basic-block.h (x_basic_block_head, x_basic_block_end): Kill.
3369 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
3370 (struct edge_def): New.
3371 (struct basic_block_def): New.
3372 (basic_block_info): New.
3373 (BLOCK_HEAD, BLOCK_END): Update.
3374 (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): New.
3375 (uid_block_number): Kill.
3376 (basic_block_for_insn, BLOCK_FOR_INSN): New.
3377 (BLOCK_NUM): Update.
3378 * flow.c (XNMALLOC): Kill.
3379 (max_uid_for_flow): Kill.
3380 (uid_block_number): Kill.
3381 (uid_volatile): Turn into a bitmap.
3382 (SET_INSN_VOLATILE): New.
3383 (basic_block_info): New.
3384 (entry_exit_blocks): New.
3385 (x_basic_block_head, x_basic_block_end): Kill.
3386 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
3387 (flow_int_list_blocks, basic_block_succ, basic_block_pred): Kill.
3388 (basic_block_loop_depth): Kill.
3389 (basic_block_for_insn): New.
3390 (find_basic_blocks): Split out initial block counting into
3391 count_basic_blocks. Call functions split out of find_basic_blocks_1.
3392 (count_basic_blocks): New.
3393 (find_basic_blocks_1): Split out edge recognition, unreachable
3395 (create_basic_block): New.
3396 (compute_bb_for_insn): New.
3398 (free_bb_memory): Kill.
3399 (add_edge, add_edge_to_label): Kill.
3400 (mark_label_ref): Kill.
3401 (make_edges): Rewrite to use edge lists.
3402 (make_edge, make_label_edge): New.
3403 (mark_critical_edges): New.
3404 (split_edge, insert_insn_on_edge): New.
3405 (commit_one_edge_insertion, commit_edge_insertions): New.
3406 (delete_unreachable_blocks): Rewrite to use edge lists.
3407 Split out EH region manipulation into delete_eh_regions.
3408 Call tidy_fallthru_edge and merge_blocks.
3409 (delete_eh_regions): New.
3410 (delete_note_p): New.
3411 (delete_insn_chain): New.
3412 (delete_block): Split out code into delete_insn_chain and
3413 tidy_fallthru_edge. Update edge lists.
3414 (expunge_block): New.
3415 (flow_delete_insn): New?
3416 (can_delete_label_p): New?
3417 (merge_blocks_nomove, merge_blocks): New.
3418 (tidy_fallthru_edge): New.
3419 (calculate_loop_depth): New.
3420 (life_analysis): Allocate and free uid_volatile.
3421 (free_basic_block_vars): Update for new structures.
3422 (record_volatile_insns): Use SET_INSN_VOLATILE.
3423 (mark_regs_live_at_end): Tidy EXIT_IGNORE_STACK usage.
3424 (mark_used_regs): Likewise.
3425 (life_analysis_1): Use bb global_live_at_start, global_live_at_end,
3426 local_set regsets. Use bb->aux to store new_live_at_end. Begin
3427 life propagation from EXIT_BLOCK rather than last block. Clear
3428 regs_ever_live after mark_regs_live_at_end.
3429 (allocate_for_life_analysis): Update for new structures.
3430 (propagate_block): Split out loop depth calculation to
3431 calculate_loop_depth.
3432 (regno_uninitialized): Use bb->global_live_at_start.
3433 (regno_clobbered_at_setjmp): Likewise.
3434 (dump_bb_data): Likewise.
3435 (find_auto_inc): Use BLOCK_FOR_INSN instead of BLOCK_NUM.
3436 (dump_flow_info): Update for new structures.
3437 (dump_edge_info): New.
3438 (print_rtl_with_bb): Update for new structures.
3439 (compute_preds_succs): Do no work -- convert edge lists.
3440 (set_block_for_insn): From corpse of old set_block_num.
3441 (set_block_num): Call it.
3443 * rtl.c (note_insn_name): Add NOTE_INSN_BASIC_BLOCK.
3444 * rtl.h (rtunion_def): Add bb entry.
3445 (NOTE_BASIC_BLOCK): New.
3446 (NOTE_INSN_BASIC_BLOCK): New.
3448 * varray.h (varray_data_tag): Add bb entry.
3449 (VARRAY_BB_INIT, VARRAY_BB): New.
3451 * emit-rtl.c (emit_label_before): New.
3453 * except.c (expand_rethrow): Delete insns following the call to
3454 rethrow. Put the REG_EH_RETHROW on the call.
3456 * jump.c (returnjump_p, returnjump_p_1): New.
3458 * expr.h (nonlocal_goto_handler_labels): New declaration.
3459 * function.c (nonlocal_goto_handler_labels): Define it.
3460 (push_function_context_to): Save it.
3461 (pop_function_context_from): Restore it.
3462 (init_function_start): Clear it.
3463 (nonlocal_label_rtx_list): Kill.
3464 * function.h (struct function): Add storage space for it.
3465 * stmt.c (expand_nl_handler_label): Return the new label.
3466 (expand_nl_goto_receivers): Collect a list of them in
3467 nonlocal_goto_handler_labels.
3469 * Makefile.in (print-rtl.o): Depend on basic-block.h.
3470 (flow.o): Depend on insn-flags.h.
3472 * function.c (thread_prologue_and_epilogue_insns): Do not
3473 half-heartedly update bb structures.
3475 * toplev.c: Add flow2 dump as -dw.
3476 (rest_of_compilation): Finish .greg before flow2.
3478 * graph.c (draw_edge): Handle class 3.
3479 (print_rtl_graph_with_bb): Make abnormal edges red class 2,
3480 change non-fall-thru but adjacent to green class 3. Update
3481 to use new structures.
3483 * print-rtl.c (print_rtx): Handle NOTE_INSN_BASIC_BLOCK.
3485 * reg-stack.c (BLOCK_NUM): Convert to function. Abort if
3487 (reg_to_stack): Initialize block_num to -1.
3489 * combine.c (set_nonzero_bits_and_sign_copies): Update reference
3490 to basic_block_live_at_start to bb->global_live_at_start.
3491 (try_combine): Likewise.
3492 (reg_dead_at_p): Likewise.
3493 * global.c (global_conflicts): Likewise.
3494 Handle stack regs on all abnormal edges, not just computed jumps.
3495 (mark_elimination): Update reference to basic_block_live_at_start.
3496 (build_insn_chain): Likewise.
3497 * haifa-sched.c (haifa_edge): Rename from edge for conflict.
3498 (is_cfg_nonregular): Look at nonlocal_goto_handler_labels instead
3499 of nonlocal_label_rtx_list.
3500 (check_live_1): Update reference to basic_block_live_at_start.
3501 (update_live_1): Likewise.
3502 (find_pre_sched_live): Likewise.
3503 (find_post_sched_live): Likewise.
3504 * local-alloc.c (update_equiv_regs): Likewise.
3505 (block_alloc): Likewise.
3506 * reload1.c (reload, reload_combine): Likewise.
3507 * regmove.c (mark_flags_life_zones): Likewise.
3508 * resource.c (mark_target_live_regs): Likewise.
3509 * sched.c (schedule_block): Likewise.
3511 * regclass.c (regset_release_memory): Don't free
3512 basic_block_live_at_start.
3514 * unroll.c (copy_loop_body): Don't duplicate NOTE_INSN_BASIC_BLOCK.
3516 Thu Feb 25 21:32:34 1999 Jason Merrill <jason@yorick.cygnus.com>
3518 * fixinc.wrap: Also handle struct queue in sys/stream.h.
3519 * fixinc.svr4: Likewise.
3521 * dwarf2out.c (scope_die_for): Set scope_die to comp_unit_die
3522 rather than asserting it.
3524 Thu Feb 25 23:33:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3526 * cppexp.c (left_shift, right_shift, parse_charconst, COMPARE,
3527 cpp_parse_expr): Replace uses of long/HOST_BITS_PER_LONG with
3528 HOST_WIDEST_INT/HOST_BITS_PER_WIDEST_INT.
3530 * Makefile.in (cppmain.o, cpplib.o, cpphash.o, cppalloc.o,
3531 cpperror.o, cppexp.o, cppfiles.o, cppinit.o, fix-header.o,
3532 scan-decls.o): Don't depend on machmode.h.
3534 * cppexp.c: Don't define CHAR_BIT or HOST_BITS_PER_WIDE_INT anymore.
3535 Replace all instances of HOST_WIDE_INT with HOST_WIDEST_INT.
3537 * cppfiles.c: Likewise.
3539 * cpplib.c: Likewise.
3541 * cpplib.h: Likewise. Also don't include machmode.h anymore.
3543 Thu Feb 25 18:46:26 1999 Richard Henderson <rth@cygnus.com>
3545 * gcc.c (default_compilers): Define __FAST_MATH__ when appropriate.
3546 * objc/lang-specs.h: Likewise.
3548 Thu Feb 25 16:19:43 1999 Jeffrey A Law (law@cygnus.com)
3550 * pa.md (call patterns): Lose unused argument to output_call.
3552 * print-rtl.c (print_rtl): Print /j and /c for the jump/call flags.
3554 1999-02-25 Zack Weinberg <zack@rabi.columbia.edu>
3556 * cpphash.c (install): Rename to cpp_install, add cpp_reader*
3557 first argument. All callers changed.
3559 (cpp_lookup, cpp_install): Change all refs to hashtab to
3561 (cpp_hash_cleanup): Removed.
3562 * cpphash.h: Adjust prototypes.
3563 * cpplib.h (struct cpp_reader): Add hashtab pointer.
3564 * cppinit.c (cpp_reader_init): Also allocate space for the
3566 (cpp_cleanup): Delete all macros and free the hashtab.
3568 Thu Feb 25 21:52:54 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3570 * sh.h (PASS_IN_REG_P): For TARGET_HITACHI, don't pass structures
3573 * expr.h (PRETEND_OUTGOING_VARARGS_NAMED): Provide default definition.
3574 * function.c (assign_parms): Honour PRETEND_OUTGOING_VARARGS_NAMED.
3575 * calls.c (expand_call): Likewise.
3577 * sh.c (sh_expand_prologue): For TARGET_HITACHI, don't push varargs /
3579 * sh.h (CPP_SPEC): Add -D__HITACHI__ for -mhitachi.
3580 (FUNCTION_ARG): For TARGET_HITACHI, don't pass unnamed
3581 arguments in registers.
3582 (PRETEND_OUTGOING_VARARGS_NAMED): Define.
3583 * va-sh.h (entire file): If __HITACHI__ is defined, use sh[123]
3586 Thu Feb 25 14:32:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3588 * cse.c (dump_class): Revert last change and make the prototype
3591 Thu Feb 25 19:13:42 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3593 * rtl.h (insn_first_p): Don't declare.
3594 * rtlanal.c (insn_first_p): Delete.
3595 * loop.c (loop_insn_first_p): Faster implementation.
3597 Thu Feb 25 10:44:35 1999 Richard Earnshaw (rearnsha@arm.com)
3599 * arm.h (TARGET_SWITCHES): Delete deprecated switches -m[236].
3600 (TARGET_3, TARGET_6): Delete.
3601 (ARM_FLAG_ARM[36]): Delete.
3602 (CPP_CPU_ARCH_SPEC): No need to handle -m[236] any more.
3603 (CC1_SPEC): Don't expand -m[236] into new equivalents.
3604 (CPP_APCS_PC_SPEC): No need to handle -m[236] any more.
3605 * arm.c (arm_override_options): Delete warnings about deprecated
3608 * arm.c (arm_finalize_pic): Build the label into the special pic
3609 adjustment insn instead of issuing it separately.
3610 * arm.md (pic_add_dot_plus_eight): Rework to contain the label
3613 * arm.md (*zeroextractqi_compare0_scratch): Delete.
3614 (*ne_zeroextractsi): New pattern.
3616 Thu Feb 25 18:40:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3618 * stmt.c (expand_end_loop): Grok code emitted by
3619 expand_exit_loop_if_false.
3621 Thu Feb 25 10:17:32 1999 Nick Clifton <nickc@cygnus.com>
3623 * config/arm/arm.c (return_in_memory): Float fields in unions
3624 force a return in memory.
3625 (load_multiple_sequence): Add comment explaining why two LDR
3626 instructions can be better than an LDMIA instruction.
3628 * config/arm/arm.h (TARGET_SHORT_BY_BYTES): Add comment
3629 describing the real meaning of this option.
3630 (FIXED_REGISTERS): Default r10 to not-fixed.
3631 (CALL_USED_REGISTERS): Default r10 to not-call-used.
3632 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): If not defined, define
3634 (CONDITIONAL_REGISTER_USAGE): Fix r10 if TARGET_APCS_STACK is
3635 true. Invoke SUBTARGET_CONDITIONAL_REGISTER_USAGE after
3636 performing other checks.
3638 * config/arm/arm.md (zero_extendhisi2): Undo previous change.
3639 (extendhisi2): Undo previous change.
3640 Also add comments describing why TARGET_SHORT_BY_BYTES can be
3641 ignored for armv4(t) architectures.
3643 * config/arm/riscix.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE):
3646 * config/arm/riscix1-1.h
3647 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Define to fix r10.
3649 Thu Feb 25 12:09:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3651 * cse.c (dump_class): Make the function definition static to match
3654 Wed Feb 24 17:47:28 1999 Jim Wilson <wilson@cygnus.com>
3656 * dbxout.c (gstab.h): Use if CROSS_COMPILE.
3658 * dwarf2out.c (add_location_or_const_value_attribute): Add big
3659 endian correction for parms passed in regs but living on the stack.
3661 Wed Feb 24 14:03:54 1999 Jeffrey A Law (law@cygnus.com)
3663 * calls.c (initialize_argument_information): New function extracted
3665 (expand_call): Use initialize_argument_information. Remove variables
3666 which are no longer used due to cleanups.
3668 * calls.c (compute_argument_block_size): New function, extracted from
3670 (expand_calls): Use compute_argument_block_size. Delete
3671 original_args_size, use unadjusted_args_size instead.
3673 * calls.c (precompute_arguments): New function, extracted from
3675 (expand_call): Use precompute_arguments.
3677 * calls.c (finalize_must_preallocate): New function, extracted from
3679 (expand_call): Use finalize_must_preallocate.
3681 * calls.c (store_one_arg): Mark "variable_size" as possibly unused.
3683 * regclass.c (record_reg_classes, case 'p'): Set classes appropriately.
3684 An alternative always fails if it needs a pseudo and no suitable
3685 register class can be found.
3687 Wed Feb 24 19:47:56 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3689 * loop.h (loop_insn_first_p): Declare.
3690 * loop.c (loop_insn_first_p): No longer static.
3691 * unroll.c (iteration_info): Fix comparison to
3692 reg_iv_type->num_elements.
3693 Before accessing reg_biv_class, check index against
3694 max_reg_before_loop.
3695 Fix and enable code for giv iterators.
3696 (loop_iterations): Compare with reg_iv_type->num_elements instead
3697 of with max_reg_before_loop.
3699 Wed Feb 24 19:17:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3701 * unroll.c (unroll_loop): Avoid out-of-bounds index for local_regno.
3703 Wed Feb 24 11:26:41 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
3705 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Don't use
3706 PIC_OFFSET_TABLE_REGNUM for register allocation when -fPIC.
3708 Tue Feb 23 16:24:19 1999 Marc Lehmann <pcg@goof.com>
3710 * config/i386/i386.md: Fix typo.
3712 Mon Feb 22 19:36:33 1999 Andrew Cagney <cagney@b1.cygnus.com>
3714 * config/mips/mips.c (mips_debugger_offset): When TARGET_MIPS16 &&
3715 frame_pointer_needed adjust frame size.
3716 (function_prologue): Don't MIPS16 .mask GPOFFSET. Already adjusted
3717 in .frame pseudo-op.
3718 Frm Jim Wilson <wilson@cygnus.com>:
3719 * mips.c (function_prologue): Adjust frame size in .frame pseudo-op
3720 when TARGET_MIPS16 && frame_pointer_needed.
3722 1999-02-22 Nick Clifton <nickc@cygnus.com>
3724 * config/arm/arm.h: Add TARGET_CPU_strongarm1100.
3725 Add -mno-sched command line switch to disable scheduling of
3726 instructions into the function's prologue.
3727 (enum processor_type): Remove.
3728 (TARGET_OPTIONS): Add "fpe=" option to match documentation.
3729 (struct arm_cpu_select): Replace 'set_tune_p' and 'set_arch_p'
3730 fields with 'processors' field.
3731 (CONDITIONAL_REGISTER_USAGE): Allow r10 to be used if stack
3732 checking is not enabled.
3733 (RETURN_IN_MEMORY): Always call arm_return_in_memory.
3735 * config/arm/arm.c (arm_cpu): Remove.
3736 (tune_flags): Remove.
3737 (arm_is_strong): New variable: true iff the target processor is a
3739 (arm_is_6_or_7): New variable: true iff the target processor is an
3741 (arm_select): Fields reorganised.
3742 (struct processors): processor_type field removed.
3743 (all_procs): Remove.
3744 (all_cores): New array: Definitions of all known ARM cpu cores.
3745 (all_architectures): New array: Definitions of all known ARM
3748 (FL_SCHED): New processor flag: processor required load
3750 (FL_STRONG): New processor flag: processor is a StrongARM.
3751 (arm_override_options): Reorganized to make code clearer.
3752 (use_return_insn): Test for "not (TARGET_APCS and
3753 frame_pointer_needed)".
3754 (arm_return_in_memory): Improve handling of structures.
3756 * config/arm/arm.md: Remove "cpu" attribute. Replace with
3757 "is_strongarm" and "is_arm_6_or_7" attributes.
3758 (zero_extendhisi2): Check for TARGET_SHORT_BY_BYTES before
3760 (extendhisi2): Check for TARGET_SHORT_BY_BYTES before arm_arch4.
3762 * invoke.texi (ARM Options): Document -mtune= and -mfp= options.
3764 1999-02-22 Philip Blundell <philb@gnu.org>
3766 * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Replace default
3767 definition with one including cache synchronization.
3768 (CLEAR_INSN_CACHE): Correct syscall number and enable definition.
3769 Move definition of inhibit_libc to...
3770 * config/arm/xm-linux.h: ... here.
3772 * config/arm/t-linux: Disable multilib configurations since the
3773 only effect for most people is to cause builds to fail.
3775 * config/arm/elf.h (ASM_FILE_START): Add .file directive.
3776 (ASM_SPEC): Translate -mapcs-float to -mfloat for the assembler.
3778 * config/arm/linux-elf.h (DEFAULT_VTABLE_THUNKS): Define.
3779 (HANDLE_SYSV_PRAGMA): Likewise.
3780 (LIB_SPEC): Copy definition from generic Linux files.
3781 (LIBGCC_SPEC): Include -lfloat if -msoft-float was given.
3782 (FP_DEFAULT): Set to SOFT3 on 32-bit targets.
3783 (DWARF2_DEBUGGING_INFO): Define.
3784 (PREFERRED_DEBUGGING_TYPE): Define as DBX_DEBUG.
3786 Mon Feb 22 16:54:18 1999 Andrew MacLeod <amacleod@cygnus.com>
3788 * loop.c (libcall_other_regs): Make extern.
3789 * rtl.h (find_last_value): Add parameter to prototype.
3790 (libcall_other_reg): Add extern declaration.
3791 * rtlanal.c (find_last_value): Add another parameter to allow
3792 a definition using a hardware register to be found as well.
3794 Mon Feb 22 13:33:47 1999 Mark Mitchell <mark@markmitchell.com>
3796 * cse.c (dump_class): New function.
3797 (invalidate_memory): Fix typo in comment.
3798 * function.c (temp_slot): Add an alias set field.
3799 (assign_stack_temp): Only reuse slots if they will have the
3800 same alias set as before.
3801 (combine_temp_slots): Don't combine if -fstrict-aliasing;
3803 * rtl.c (copy_rtx): Copy all the flags (in particular,
3806 Mon Feb 22 14:13:23 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
3808 * configure.in (i[34567]86-*-linux-gnu*,
3809 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
3810 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
3813 * configure: Rebuilt.
3815 * fixinc.x86-linux-gnu: New script for fixing asm-statements bug
3818 * fixinc/fixinc.x86-linux-gnu: Copy of the previous one.
3820 * fixinc/mkfixinc.sh (i[34567]86-*-linux-gnu*,
3821 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
3822 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
3825 Mon Feb 22 08:55:05 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
3827 * objc/objc-act.c (encode_type): Temporary revert to the old
3828 behavior of encoding types as the new one seems to break the
3829 encoding of bitfields.
3831 Mon Feb 22 11:40:44 1999 Craig Burley <craig@jcb-sc.com>
3832 Sat Feb 20 09:59:36 1999 Craig Burley <craig@jcb-sc.com>
3834 * Makefile.in (all.internal, all.cross): Depend on `doc'
3835 target, to ensure docs get made before installation.
3837 Decrease spurious warnings from -fsyntax-only:
3838 * stmt.c (expand_expr_stmt): Expand expr even when -fsyntax-only.
3840 Mon Feb 22 10:55:00 1999 Gavin Romig-Koch <gavin@cygnus.com>
3842 * c-lex.c (yylex): Replace warning about integer constants being
3843 larger than long-longs, with a warning about integer constants
3844 being larger than the largest target integer.
3846 Mon Feb 22 08:35:38 1999 Craig Burley <craig@jcb-sc.com>
3848 Fix -fsyntax-only ICEs:
3849 * varasm.c (assemble_zeros, assemble_variable,
3850 output_constant_def): Do nothing when -fsyntax-only.
3852 Fri Feb 19 18:18:56 1999 Don Bowman <don@pixstream.com>
3854 * configure.in (mips*-*-vxworks*): Enable gthreads vxworks support.
3855 * configure: Rebuilt.
3857 Sun Feb 21 20:34:44 1999 Jeff Law (law@cygnus.com)
3859 * version.c: Bump for snapshot.
3861 Sun Feb 21 20:35:10 1999 Jeffrey A Law (law@cygnus.com)
3863 * config/aoutos.h (ASM_OUTPUT_CONSTRUCTOR): Delete.
3864 (ASM_OUTPUT_DESTRUCTOR, ASM_OUTPUT_GC_ENTRY): Likewise.
3865 * tm.texi: Update docs for constructors and destructors.
3867 Sun Feb 21 17:11:18 1999 Richard Henderson <rth@cygnus.com>
3869 * genattrtab.c (check_attr_value): Allow negative const_int if
3870 negative_ok. Accept integral arithmetic operators. Accept
3871 direct references to other attributes. Accept symbol_ref in
3872 non-constant attributes.
3873 (max_attr_value): Add new argument `unknownp'. Update all callers.
3874 (or_attr_value): Likewise.
3875 (simplify_knowing): Don't optimize if max_attr_value unknown.
3876 (write_length_unit_log): Likewise with or_attr_value.
3877 (find_and_mark_used_attributes): Don't fallthru case.
3878 (write_attr_set): Pass thru all non-cond expressions.
3879 (write_attr_value): Handle symbol_ref, attr, and arithmetic.
3881 Sun Feb 21 13:16:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3883 * regmove.c (discover_flags_reg): Use word_mode instead of SImode.
3885 Sun Feb 21 13:15:40 1999 Richard Henderson <rth@cygnus.com>
3887 * regmove.c (discover_flags_reg): Remove cc0 code.
3888 (mark_flags_life_zones) [HAVE_cc0]: Force use of cc0; bail if
3889 a potential flags register was identified.
3891 Sat Feb 20 16:16:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3893 * rs6000.md (scc plus ltu): Fix typo in last change.
3895 Sat Feb 20 09:08:44 1999 Richard Earnshaw (rearnsha@arm.com)
3897 * xm-arm.h (HOST_BITS_PER_LONGLONG): Define.
3899 Fri Feb 19 23:02:02 1999 Richard Henderson <rth@cygnus.com>
3901 * regmove.c (discover_flags_reg): New function.
3902 (flags_set_1, mark_flags_life_zones): New functions.
3903 (regmove_optimize): Call them.
3904 (fixup_match_1): Use insn modes rather than sets_cc0_p.
3906 Fri Feb 19 22:47:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3908 * rtlanal.c (insn_first_p): Fix return value for insn == reference.
3910 * loop.c (strength_reduce, check_final_value, check_dbra_loop):
3911 Use loop_insn_first_p.
3913 Fri Feb 19 15:49:26 1999 Michael Meissner <meissner@cygnus.com>
3914 David Edelsohn <edelsohn@gnu.org>
3916 * rs6000.md (scc plus eq): Fix output template.
3917 (scc plus ltu): Fix output template and collapse variants
3918 correcting early clobbers.
3919 (scc plus geu): Fix output template.
3920 (scc plus gt): Fix output template.
3921 (scc plus gtu): Fix output template and collapse variants.
3923 Fri Feb 19 15:43:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3925 * cppinit.c (print_help): Remove unescaped newline in string.
3927 Fri Feb 19 19:55:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3929 * loop.c (strength_reduce): Check for intervening jumps when
3930 converting biv increment to giv.
3932 Thu Feb 18 16:36:58 1999 Per Bothner <bothner@cygnus.com>
3934 * tree.def (TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR): New tree nodes,
3935 * expr.c (expand_expr): Support new tree nodes.
3937 Fri Feb 19 10:17:56 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3939 * config/m68k/m68k.c (m68k_align_loops_string,
3940 m68k_align_jumps_string, m68k_align_funcs_string): Add const.
3941 * config/m68k/m68k.h (m68k_align_loops_string,
3942 m68k_align_jumps_string, m68k_align_funcs_string): Likewise.
3944 Thu Feb 18 23:28:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3946 * bitmap.c (bitmap_print): Qualify a char* with the `const' keyword.
3948 * bitmap.h (bitmap_print): Likewise.
3950 * c-decl.c (builtin_function, grokdeclarator, grokfield): Likewise.
3952 * c-lang.c (build_objc_string): Likewise.
3954 * c-lex.c (yyerror, extend_token_buffer): Likewise. Don't include
3955 limits.h or ctype.h. Remove unused variable `p'.
3957 * c-lex.h (yyerror): Qualify a char* with the `const' keyword.
3959 * c-pragma.c (handle_pragma_token): Likewise.
3961 * c-pragma.h (handle_pragma_token): Likewise.
3963 * c-tree.h (build_objc_string, builtin_function, grokfield,
3964 build_indirect_ref, lvalue_or_else, readonly_warning, error_init,
3965 pedwarn_init): Likewise.
3967 * c-typeck.c (convert_for_assignment, warn_for_assignment,
3968 push_string, warning_init, incomplete_type_error,
3969 build_indirect_ref, lvalue_or_else, readonly_warning,
3970 build_c_cast, spelling, push_member_name, print_spelling,
3971 error_init, pedwarn_init, start_init): Likewise.
3973 * objc/objc-act.c (build_objc_string): Likewise.
3975 * print-tree.c (print_node_brief, print_node): Likewise.
3977 * tree.h (lvalue_or_else, print_node, print_node_brief): Likewise.
3979 Thu Feb 18 20:44:21 1999 David Edelsohn <edelsohn@gnu.org>
3981 * regclass.c (record_reg_classes): Correctly handle 'p' constraint.
3983 Thu Feb 18 19:59:37 1999 Marc Espie <espie@cvs.openbsd.org>
3985 * configure.in :Handle OpenBSD platforms.
3986 * configure: Rebuilt.
3987 * config/openbsd.h: New file.
3988 * config/xm-openbsd.h: New file.
3989 * config/t-openbsd: New file.
3990 * config/t-openbsd-thread: New file.
3992 Thu Feb 18 18:47:09 1999 Jeffrey A Law (law@cygnus.com)
3994 * function.c (assign_stack_temp_for_type): Round SIZE before calling
3995 assign_stack_local for BLKmode slots.
3997 Fri Feb 19 01:45:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3999 * loop.c (strength_reduce): For derived givs, replace the
4000 giv this was derived from with its new_reg.
4001 (recombine_givs): Don't set new_reg for derived giv.
4002 And don't print it, print SUM instead.
4004 Thu Feb 18 15:52:49 1999 Jim Wilson <wilson@cygnus.com>
4006 * m68kelf.h (ASM_RETURN_CASE_JUMP): Add 5200 support.
4008 1999-02-18 Zack Weinberg <zack@rabi.columbia.edu>
4010 * cpplib.c: Kill define of STDC_VALUE. Don't include output.h
4011 or prefix.h. Change CPP_IS_MACRO_BUFFER to not refer to
4013 (GET_ENV_PATH_LIST, PATH_SEPARATOR, STANDARD_INCLUDE_DIR,
4014 predefs, SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
4015 CPP_WCHAR_TYPE, USER_LABEL_PREFIX, REGISTER_PREFIX, struct
4016 cpp_pending, version_string, struct default_include,
4017 include_defaults_array, path_include, cpp_options_init,
4018 dump_special_to_buffer, initialize_builtins, cpp_start_read,
4019 cpp_reader_init, nreverse_pending, push_pending, print_help,
4020 cpp_handle_option, cpp_handle_options, cpp_finish,
4021 cpp_cleanup): Move to cppinit.c.
4022 (macro_cleanup, struct arglist, collect_expansion,
4023 create_definition, compare_defs, comp_def_part, ARG_BASE,
4024 struct argdata, macarg, change_newlines, timestamp,
4025 monthnames, special_symbol, unsafe_chars, macroexpand,
4026 push_macro_expansion): Move to cpphash.c.
4027 (quote_string, check_macro_name, cpp_expand_to_buffer,
4028 output_line_command, cpp_undef): Export.
4029 (null_underflow, null_cleanup, handle_directive): Make static.
4031 * cpplib.h: Prototype now-exported functions. Adjust decls of
4032 syntax tables so we can include cpplib.h in cppinit.c.
4033 * cpphash.h: Prototype all functions exported by cpphash.c.
4034 * cppinit.c: Make syntax tables initialized data if possible
4035 (uses GCC designated-initializer extension).
4036 * cppexp.c: Make cpp_lex static.
4037 * Makefile.in: Move -D switches for the various include dirs
4038 from cpplib.o rule to cppinit.o rule. Adjust dependencies.
4040 Thu Feb 18 13:15:56 1999 Marc Espie <espie@cvs.openbsd.org>
4042 * alpha/openbsd.h: New file.
4043 * alpha/xm-openbsd.h: New file.
4044 * sparc/openbsd.h: New file.
4045 * sparc/xm-openbsd.h: New file.
4046 * m68k/openbsd.h: New file.
4047 * m68k/xm-openbsd.h: New file.
4048 * i386/openbsd.h: New file, originally from netbsd.
4049 * i386/xm-openbsd.h: New file.
4051 1999-02-17 Zack Weinberg <zack@rabi.columbia.edu>
4053 * Makefile.in: Correct dependencies for cpplib object files.
4055 Wed Feb 17 14:04:18 1999 Michael Meissner <meissner@cygnus.com>
4057 * rs6000.md ({add,sub}si3 `.'): Add alternatives to use CR other
4060 Wed Feb 17 16:59:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4062 * loop.c (strength_reduce): Don't move giv insn for biv turned giv
4065 Wed Feb 17 10:56:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4067 * tree.c (tree_node_kind_names, print_obstack_name,
4068 get_identifier, maybe_get_identifier, build_string,
4069 build_expr_wfl, is_attribute_p, lookup_attribute,
4070 print_obstack_statistics, get_file_function_name_long, tree_check,
4071 tree_class_check, expr_check): Qualify a char* with the `const'
4074 * tree.h (get_identifier, maybe_get_identifier, build_string,
4075 build_expr_wfl, is_attribute_p, lookup_attribute,
4076 print_obstack_statistics, print_obstack_name, tree_check,
4077 tree_class_check, expr_check): Likewise.
4079 Tue Feb 16 21:29:38 1999 Jeffrey A Law (law@cygnus.com)
4081 * i386/freebsd-elf.h, i386/gas.h, i386/linux.h: Fix minor spacing
4084 * calls.c (store_one_arg): Mark any slots used for the argument
4085 as in-use immediately after we're done saving any slots which
4086 will be overwritten by this argument.
4088 Tue Feb 16 21:02:07 1999 Anton Hartl <toni@devsoft.com>
4090 * rs6000.md (call_value): Fix typo.
4092 Wed Feb 17 01:29:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4094 * loop.c (strength_reduce): Calculate maybe_dead before
4095 calling recombine_givs.
4097 Wed Feb 17 00:43:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4099 * loop.c (strength_reduce): Dump biv increment -> giv conversions.
4101 Tue Feb 16 15:31:39 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
4103 * objc/objc-act.c (encode_type): Encode the type instead of
4104 encoding the mode of the type (patch from Richard Frith-Macdonald
4105 <richard@brainstorm.co.uk>).
4107 Tue Feb 16 10:53:51 1999 Richard Earnshaw (rearnsha@arm.com)
4109 * config/arm/arm.md (*zeroextractqi_compare0_scratch): Re-add load
4110 instruction killed in previous change. Simplify mask generation.
4111 (*zeroextractsi_compare0_scratch): Simplify mask generation.
4113 Tue Feb 16 09:52:26 1999 Nick Clifton <nickc@cygnus.com>
4115 * config/arm/arm.md (zeroextractqi_compare0_scratch): Ensure that
4116 bitfield does not overflow a byte boundary.
4118 Tue Feb 16 01:37:33 1999 Charles G Waldman <cgw@alum.mit.edu>
4120 * c-common.c (shorten_compare): Get the min/max value from the
4121 underlying type of an enumeration, not the enumerated type itself.
4123 Mon Feb 15 23:04:48 1999 Jeffrey A Law (law@cygnus.com)
4125 * jump.c: Include insn-attr.h.
4126 (delete_computation): If reload has completed and insn scheduling
4127 after reload is enabled, then do not depend on REG_DEAD notes.
4128 * Makefile.in (jump.o): Depend on insn-attr.h.
4130 Mon Feb 15 16:57:38 1999 Richard Henderson <rth@cygnus.com>
4132 * i386.md (addsi3): Allow lea for any constant_p.
4134 1999-02-15 Zack Weinberg <zack@rabi.columbia.edu>
4136 * toplev.c (documented_lang_options): Remove -fident and
4137 -fnoident, which are now handled by the language independent
4140 1999-02-15 Zack Weinberg <zack@rabi.columbia.edu>
4142 * c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF.
4143 * c-lex.c: Likewise.
4144 * cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked
4145 list in malloced memory for the buffer stack.
4146 (cpp_get_token): Don't pop the last buffer off the stack.
4147 Calls after CPP_EOF has been returned produce CPP_EOF with no
4149 (cpp_finish): Pop last buffer here.
4150 (do_line): Don't free ip->last_nominal_fname if it is equal to
4152 (special_symbol): If a T_CONST is the empty string, push a
4153 single `@ ' escape instead.
4154 (macroexpand): Special symbol buffers have escapes too.
4155 * cpplib.h (struct cpp_buffer): Remove unused fields, add prev
4157 (struct cpp_reader): Remove buffer_stack. Add
4159 (CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a
4162 Mon Feb 15 14:44:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4164 * cccp.c: Don't define HOST_WIDE_INT. Replace all occurrences of
4165 WIDE_INT with WIDEST_INT.
4168 Don't define unsigned_HOST_WIDE_INT, CHAR_BIT or
4169 HOST_BITS_PER_WIDE_INT. Replace occurrences of PRINTF_PROTO_1()
4170 style with PVPROTO() ATTRIBUTE_PRINTF_1 style macros. Replace
4171 occurrences of "unsigned_HOST" with "unsigned HOST". Provide a
4172 definition of variable `c89' when compiling a test binary and set it.
4174 * system.h: Don't define the PRINTF_PROTO_* macros.
4176 Mon Feb 15 11:33:51 1999 Jeffrey A Law (law@cygnus.com)
4178 * loop.c (mark_loop_jump): Handle LO_SUM. If we encounter something
4179 we do not understand, mark the loop and containing loops as invalid.
4181 Mon Feb 15 00:40:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4183 * alias.c (init_alias_analysis): Avoid self-referential value
4184 when setting reg_known_value from REG_EQUAL notes.
4186 Sun Feb 14 23:12:10 1999 Richard Henderson <rth@cygnus.com>
4188 * i386.c (legitimate_address_p): Verify modes of base and index.
4190 Sun Feb 14 23:01:28 1999 Richard Henderson <rth@cygnus.com>
4192 * i386.c (legitimate_pic_address_disp_p): Remove static.
4193 * i386.h (LEGITIMATE_PIC_OPERAND_P): Use it instead of
4196 Sun Feb 14 21:03:28 1999 Jeffrey A Law (law@cygnus.com)
4198 * except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
4199 * explow.c (probe_stack_range): Likewise.
4200 * expmed.c (do_cmp_and_jump): Likewise.
4201 * expr.c (store_expr, expand_expr, expand_builtin): Likewise.
4202 (do_tablejump): Likewise.
4203 * stmt.c (expand_expr_stmt, expand_end_case): Likewise.
4204 (do_jump_if_equal, emit_case_nodes): Likewise.
4205 * optabs.c (emit_cmp_and_jump_insns): Clarify comments. If UNSIGNEDP,
4206 then convert comparison to an unsigned code before emitting the jump.
4207 (expand_float, expand_fix): Use emit_cmp_and_jump_insns.
4209 Sun Feb 14 02:24:15 1999 Jeff Law (law@cygnus.com)
4211 * version.c: Bump for snapshot.
4213 Sun Feb 14 01:15:04 1999 Jeff Law (law@cygnus.com)
4215 * version.c: Bump for snapshot.
4217 Sun Feb 14 00:45:50 1999 Jeffrey A Law (law@cygnus.com)
4219 * loop.c: Disable recent loop changes. Temporary as Joern
4220 continues to fix problems.
4222 Sat Feb 13 23:29:42 1999 Richard Henderson <rth@cygnus.com>
4224 * loop.c (combine_givs_used_by_other): Delete.
4225 (combine_givs_benefit_from): Delete.
4226 (combine_givs): Deny combination of givs only used once. Simplify
4227 code with the death of combine_givs_benefit_from.
4229 Sun Feb 14 11:24:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4231 * loop.c (scan_loop): Call reg_in_basic_block_p before
4232 loop_reg_used_before_p.
4234 Sat Feb 13 05:32:00 1999 Richard Earnshaw (rearnsha@arm.com)
4236 * arm.md: Use gen_rtx_FOO instead of gen_rtx (FOO, ...).
4240 * arm.h (TARGET_OPTIONS): Reformat for clarity.
4241 (GO_IF_LEGITIMATE_ADDRESS): When generating PIC, references to symbols
4242 in the constant pool aren't valid.
4243 (LEGITIMATE_PIC_OPERAND_P): Likewise.
4245 * arm.c: Include "system.h", not stdio.h and string.h.
4247 Fri Feb 12 13:06:28 1999 Jim Wilson <wilson@cygnus.com>
4249 * stmt.c (expand_return): Return if optimize_tail_recursion succeeded.
4250 (optimize_tail_recursion): Change return type from void to int.
4251 Add return statements.
4252 * tree.h (optimize_tail_recursion): Change prototype to match.
4254 Fri Feb 12 21:09:51 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4256 * reload.c (find_reloads_subreg_address): New function, broken out of
4257 find_reloads_toplev.
4258 (find_reloads_toplev, find_reloads_address_1): Use it.
4260 Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com)
4262 * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle
4263 extending a CONST_INT.
4265 * h8300.md (peephole for combining memrefs): Delete incorrect peephole.
4267 Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4269 * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset):
4271 (maybe_eliminate_biv_1): Use biv_elimination_giv_has_0_offset.
4273 Fri Feb 12 16:56:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4275 * loop.c (load_mems): Don't guess how to do a load / store, use
4278 Fri Feb 12 09:24:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4280 * system.h: Provide a definition for HOST_WIDEST_INT, etc.
4282 Fri Feb 12 23:37:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4284 * config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change.
4286 Fri Feb 12 00:51:26 1999 Jeffrey A Law (law@cygnus.com)
4288 * reload.c (find_reloads_address_1): Fix handling of an autoincremented
4289 pseudo which is homed in the stack.
4291 * mips.c (save_restore_insns): Fix loop to save/restore FP registers.
4292 (compute_frame_size): Change loop over FP regs to be consistent
4293 with the loop in save_restore_insns.
4295 Thu Feb 11 17:38:40 1999 Jim Wilson <wilson@cygnus.com>
4297 * i960/i960.h (OVERRIDE_OPTIONS): Warn if -mlong-double-64 is used.
4298 (LONG_DOUBLE_TYPE_SIZE): Undef then unconditionally define to 96.
4300 Thu Feb 11 15:11:35 1999 Jeffrey A Law (law@cygnus.com)
4302 * mn10200.md (bset); Re-enable.
4304 Thu Feb 11 15:20:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4306 * sh.md (is_sfunc): New attribute.
4307 * sh.h (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): Use it.
4309 Thu Feb 11 01:06:49 1999 Nathan Sidwell <nathan@acm.org>
4311 * fold-const.c (range_binop): Take account of the bounded nature
4312 of fixed length arithmetic when comparing unbounded ranges.
4314 Thu Feb 11 00:08:17 1999 John Wehle (john@feith.com)
4316 * function.c (assign_stack_temp_for_type): Clear best_p
4317 when an exact match is found.
4319 * i386.h (LOCAL_ALIGNMENT): Define.
4320 * function.c (assign_stack_local, assign_outer_stack_local): Use it.
4321 (assign_stack_temp_for_type): New function based on assign_stack_temp.
4322 (assign_stack_temp): Call it.
4323 (assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp.
4324 * stmt.c: Use assign_temp, not assign_stack_temp.
4325 * tm.texi: Document LOCAL_ALIGNMENT.
4327 Wed Feb 10 23:28:28 1999 Jeffrey A Law (law@cygnus.com)
4329 * reorg.c: Finish deleting half-deleted comment.
4331 Wed Feb 10 17:12:21 1999 Jim Wilson <wilson@cygnus.com>
4333 * emit-rtl.c (operand_subword): Sign extend REAL_VALUE_TO_TARGET_SINGLE
4335 * final.c (split_double): Sign extend REAL_VALUE_TO_TARGET_DOUBLE
4337 * real.c (endian): Delete sign extension code.
4338 * config/m32r/m32r.md (movsf_insn+1): REAL_VALUE_TO_TARGET_SINGLE call
4339 replaced with operand_subword call.
4341 Wed Feb 10 15:16:39 1999 Richard Henderson <rth@cygnus.com>
4343 * alpha.md (cmov compound patterns): Delete. Jump can now
4344 create the correct constructs in the first place.
4346 Wed Feb 10 11:03:22 1999 Richard Henderson <rth@cygnus.com>
4348 * configure.in (alphaev6*): Fix typo in target_cpu_default2.
4350 Wed Feb 10 13:59:18 1999 Dave Brolley <brolley@cygnus.com>
4352 * mbchar.c (local_mb_cur_max): Handle the case where MB_CUR_MAX is 0.
4354 Wed Feb 10 10:35:05 1999 Jim Wilson <wilson@cygnus.com>
4356 * tmp-emsgids.c: Delete.
4358 Wed Feb 10 09:57:08 1999 Mark Mitchell <mark@markmitchell.com>
4360 * rtlanal.c (for_each_rtx): Fix declaration to conform to GNU
4363 Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com)
4365 * mn10200.md (bset, bclr): Operand 0 is a read/write operand.
4367 * reload1.c (reload_combine_note_store): Second argument is no
4368 longer unused/ignored. Handle multi-register hard regs.
4369 (move2add_note_store): Simplify.
4371 Wed Feb 10 10:05:23 1999 Mumit Khan <khan@xraylith.wisc.edu>
4373 * collect2.c (collect_execute): Remove cygwin-specific code.
4375 Tue Feb 9 17:27:29 1999 Nathan Sidwell <nathan@acm.org>
4377 * system.h (_, N_): Remove dummy i18n macros.
4378 * protoize.c: Move inclusion of intl.h to after system.h.
4379 * cexp.y: Include intl.h.
4382 Tue Feb 9 16:52:22 1999 Mumit Khan <khan@xraylith.wisc.edu>
4384 * i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore
4385 fpic/fPIC for windows32 targets.
4386 * i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32
4388 * i386/mingw32.h (CPP_SPEC): Define.
4389 (CPP_PREDEFINES): Add MINGW32 version id.
4390 * i386/crtdll.h (CPP_PREDEFINES): Likewise.
4392 * Makefile.in (collect2$(exeext)): Delete redundant dependency and
4393 add missing exeext to target.
4395 * gcc.c (convert_filename): Handle null filename argument.
4397 Wed Feb 10 15:46:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4399 * config/c4x/c4x.md (*movhf_noclobber, *movhi_noclobber): Use
4400 m constraint instead of QT.
4402 1999-02-09 Brendan Kehoe <brendan@cygnus.com>
4404 * cpplib.c (special_symbol): Move IP to be declared in function
4405 scope, rather than individual case statements.
4407 1999-02-09 Zack Weinberg <zack@rabi.columbia.edu>
4409 * cppfiles.c (finclude): Handle pipes properly under old BSD
4412 1999-02-09 Melissa O'Neill <oneill@cs.sfu.ca>
4414 * system.h: Provide fallback definitions for S_ISCHR,
4415 S_ISSOCK, S_ISFIFO, O_NONBLOCK, and O_NOCTTY.
4417 1999-02-09 Zack Weinberg <zack@rabi.columbia.edu>
4419 * cpplib.c (do_define): Allow redefining __STDC__ with -D.
4421 1999-02-09 Jim Blandy <jimb@zwingli.cygnus.com>
4423 * configure.in: For PowerPC configurations, accept "401", "ec603e",
4424 "740", and "750" as valid arguments to --with-cpu.
4425 * configure: Rebuilt.
4427 Tue Feb 9 00:00:14 1999 Mark Kettenis <kettenis@gnu.org>
4429 * configure.in (i[34567]86-*gnu*): Set float_format to i386.
4430 * configure: Rebuilt.
4432 Mon Feb 8 22:38:24 1999 Jeffrey A Law (law@cygnus.com)
4434 * rs6000.md: Revert "alternate use of crs if cr0 not available"
4435 patches from 01-22-1999, 01-24-1999, 01-26-1999, and 02-08-1999.
4437 Mon Feb 8 21:36:44 1999 Richard Henderson <rth@cygnus.com>
4439 * output.h (current_function_has_computed_jump): Rename from
4440 current_function_addresses_labels.
4441 * function.h (struct function): Likewise for addresses_labels member.
4442 * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
4443 * function.c (current_function_has_computed_jump): Likewise.
4444 Update all references.
4445 * integrate.c (function_cannot_inline_p):
4446 Test current_function_has_computed_jump instead of addresses_labels.
4447 (initialize_for_inline): Likewise save.
4448 (output_inline_function): Likewise restore.
4450 * expr.c (expand_expr): Don't reference addresses_labels variables.
4451 * stmt.c (expand_computed_goto): Set has_computed_jump.
4453 1999-02-08 Michael Meissner <meissner@cygnus.com>
4455 This is being installed only to get it into the repository to help
4456 with the revert, resubmit & review process for the massive rs6000.md
4458 * rs6000.md (andsi3_internal1 splitter): Don't split if using the
4460 (anddi3_internal1): Likewise.
4461 (andsi3_internal{2,3}): Correct some insn lengths.
4462 (anddi3*): Restore missing TARGET_POWERPC64, and don't emit old
4465 Mon Feb 8 21:31:06 1999 Richard Henderson <rth@cygnus.com>
4467 * loop.c (reg_single_usage): New file-scope variable ...
4468 (scan_loop): ... moved out of here. Always initialize.
4469 Test loop_has_call instead of reg_single_usage not zero.
4470 Free reg_single_usage after strength reduction.
4471 (count_loop_regs_set): Assume single_usage non-zero.
4472 (combine_givs_used_by_other): Test reg_single_usage.
4473 (load_mems_and_recount_loop_regs_set): Remove reg_single_usage
4474 as a parameter. Assume non-zero.
4476 1999-02-08 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
4478 * cpplib.c (special_symbol): Rewrite. Don't copy things
4479 multiple times. Handle __STDC__ specially. T_CONST
4480 indicates a constant /string/. Don't handle T_*_TYPE and
4481 T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of
4482 adjust_position. Determine the file buffer only if needed.
4483 (initialize_builtins): Handle __SIZE_TYPE__,
4484 __PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and
4485 __REGISTER_PREFIX__ with T_CONST special hashtab entries.
4486 Don't provide __OBJC__; the driver does that. Provide
4487 __STDC_VERSION__, using T_CONST. Use T_STDC for
4488 __STDC__. Give install the length of all symbols defined.
4489 (eval_if_expression): Drop code to insert and remove the
4490 "defined" special symbol.
4492 * cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove
4493 T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC.
4495 * cpphash.c (install): Drop the `ivalue' parameter. Constify
4496 the `value' parameter. All callers changed.
4497 * cpphash.h (install): Change prototype to match.
4498 (union hashval): Remove `ival' member.
4499 * cppexp.c (cpp_lex): Handle `defined' here.
4501 Mon Feb 8 17:29:42 1999 Jeffrey A Law (law@cygnus.com)
4503 * pa.h (EXTRA_CONSTRAINT): Fix comment.
4505 Mon Feb 8 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
4507 * c-typeck.c (check_init_type_bitfields): Use nonincremental
4508 initialization of unions whose first member is a bitfield.
4509 Remove unnecessary code for checking the declaration mode
4510 after DECL_C_BIT_FIELD.
4512 * varasm.c (output_constructor): Additional comment about the
4513 constructor of bitfield union initialization.
4515 Tue Feb 9 11:55:04 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4517 * config/c4x/c4x.md (*movhi_stik): New pattern.
4518 (movhi): Allow some immediate constants to be directly
4521 Tue Feb 9 11:34:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4523 * config/c4x/c4x.md (all call patterns): Add constraints "Ur".
4524 (call, call_value): Force address into a register if not valid
4525 for a call instruction.
4526 (load_immed_address): Emit a USE of the SYMBOL_REF that is
4528 * config/c4x/c4x.c (c4x_print_operand): Fix 'C' and 'U' modifiers.
4530 Tue Feb 9 11:08:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4532 * config/c4x/c4x.c (call_address_operand, symbolic_address_operand):
4533 Rename from call_operand and symbolic_operand respectively. All
4535 * config/c4x/c4x.md (call_address_operand, symbolic_address_operand):
4537 * config/c4x/c4x.h (call_address_operand, symbolic_address_operand):
4539 (PREDICATE_CODES): Allow CONST, LABEL_REF for call_address_operand.
4541 Tue Feb 9 10:52:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4543 * config/c4x/c4x.c (c4x_legitimize_address): Don't generate a
4544 LO_SUM address for HImode or HFmode but instead force address into
4545 a register so that it is offsettable.
4546 (c4x_emit_move_sequence): Handle LO_SUM immediate address.
4548 Tue Feb 9 10:46:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4550 * config/c4x/c4x.c (c4x_address_cost): Return cost of 1 for
4551 REG+REG addressing if strength reduction enabled.
4553 Tue Feb 9 10:10:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4555 * config/c4x/t-c4x (LIBGCC2_CFLAGS): Delete.
4556 (TARGET_LIBGCC2_CFLAGS): Define.
4558 1999-02-08 Nick Clifton <nickc@cygnus.com>
4560 * config/v850/v850.md: Replace \\n\\t with \\;
4562 * config/v850/v850.md: Enforce TARGET_LONG_CALLS option.
4563 * config/v850/v850.c (construct_restore_jr, construct_save_jarl):
4564 Enforce TARGET_LONG_CALLS option.
4566 Mon Feb 8 11:43:07 1999 Donn Terry <donn@interix.com>
4568 * real.c (PUT_REAL) [XFmode]: Zero the balance of the structure.
4570 Mon Feb 8 11:37:24 1999 Marc Espie (espie@cvs.openbsd.org)
4572 * m88k/t-luna-gas: Remove bash dependency.
4574 Mon Feb 8 11:34:44 1999 Graham <grahams@rcp.co.uk>
4576 * collect2.c (xrealloc): Fix typo in last change.
4578 Mon Feb 8 09:13:38 1999 Jeff Law (law@cygnus.com)
4580 * version.c: Bump for snapshot.
4582 Sun Feb 7 22:18:42 1999 Robert Lipe <robertlipe@usa.net>
4584 * tree.h (TYPE_CHECK): Make it clear to the preprocessor
4585 that we do not want macro replacement within a character constant.
4586 (TYPE_CHECK1): Likewise.
4588 Sun Feb 7 15:37:10 1999 Jason Merrill <jason@yorick.cygnus.com>
4590 * tree.h (DECL_P): New macro.
4592 Sun Feb 7 01:15:04 1999 Jeff Law (law@cygnus.com)
4594 * version.c: Bump for snapshot.
4596 Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com)
4598 * mn10300.md (reload_insi): Do not earlyclobber the output operand.
4600 * README.g77, gcc.c, gcc.texi: Update email addresses.
4601 * invoke.texi system.h: Likewise.
4603 Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com>
4605 * unroll.c (find_splittable_givs): After express_from, call replace_rtx
4606 to convert dest_reg to new_reg.
4608 Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com)
4610 * reload1.c (reload_combine_note_store): Be more careful with
4611 STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.
4612 (move2add_note_store): Likewise.
4614 Sat Feb 6 10:18:01 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4616 * cppfiles.c (read_and_prescan): Cast the result of `xrealloc' to
4617 U_CHAR* when assigning to one. Ensure the values of a ?: operator
4620 * cppinit.c (initialize_char_syntax): Use K&R function definition.
4622 Sat Feb 6 11:17:03 1999 Richard Earnshaw <rearnsha@arm.com>
4625 * config/arm/arm.c (all_procs): Add arm9 and arm9tdmi.
4626 * config/arm/arm.h ((TARGET_CPU_arm9, TARGET_CPUD_arm9tdmi): Define.
4627 (TARGET_CPU_DEFAULT): Rework to support ARM9.
4628 (CPP_CPU_ARCH_SPEC): Likewise.
4629 (enum processor_type): Likewise.
4630 * config/arm/arm.md (attr cpu): Add arm9.
4632 General scheduling changes
4633 * config/arm/arm.c (MAX_INSNS_SKIPPED): Delete.
4634 (max_insns_skipped): New variable.
4635 (arm_override_options): If generating hard floating point code for
4636 the FPA, emit code for version 3.
4637 When optimizing for space, don't synthesize constants.
4638 Reword several flags based on the requested processor and optimization
4640 (use_return_insn): New argument iscond, all callers changed. Don't
4641 use a return insn if it will be conditional and that would be
4642 expensive; eg on StrongARM.
4643 (arm_adjust_cost): Anti- and output- dependencies normally have no
4645 (load_multiple_sequence): Newer ARMs don't benefit from ldm if
4646 the sequence is short.
4647 (final_prescan_insn): Use max_insns_skipped instead of
4648 MAX_INSNS_SKIPPED. Note whether we will make a return instruction
4649 conditional, and aviod this if it would be expensive.
4650 * config/arm/arm.md (scheduling attributes and function units):
4651 Rewrite to better describe ARM8, 9 and StrongARM.
4653 * config/arm/arm.md (*movhi_insn_littleend): Make op0 predicate
4655 (*ifcompare_plus_move): Use arm_rhs_operand in place of
4656 arm_rhsm_operand. Rework constraints.
4657 (*if_plus_move): Likewise.
4658 (*ifcompare_move_plus): Likewise.
4659 (*if_move_plus): Likewise.
4660 (*ifcompre_arith_move): Likewise.
4661 (*if_arith_move): Likewise.
4662 (*ifcompare_move_arith): Likewise.
4663 (*if_move_arith): Likewise.
4665 * config/arm/xm-netbsd.h: Don't include arm/xm-arm.h.
4667 1999-02-05 Michael Meissner <meissner@cygnus.com>
4669 * loop.c (check_dbra_loop): A store using an address giv for which
4670 we have no life information is not reversible.
4672 Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com>
4674 * function.c (fixup_var_refs): Scan catch_clauses too.
4676 Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
4678 * c-common.c (decl_attributes): Fix reserved space for init_priority.
4679 * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
4681 Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com)
4683 * loop.c (strength_reduce): Clear not_every_iteration when
4684 passing the NOTE_INSN_LOOP_CONT note.
4686 * haifa-sched.c (add_dependence): Do not add a dependency on a
4689 Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com>
4691 * recog.c (split_block_insns): Only call update_flow_info if
4692 instruction scheduling is enabled.
4694 1999-02-05 Zack Weinberg <zack@rabi.columbia.edu>
4696 * Makefile.in (gen-protos): Use libcpp.a like everyone else.
4698 Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4700 * loop.c (first_loop_store_insn): New file-scope variable.
4701 (prescan_loop): Set it.
4702 (check_dbra_loop): Check if a store depends on a register
4703 that is set after the store.
4705 Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4707 * unroll.c (entire file): Remove tabs / spaces at end of lines.
4708 Replace spaces with tabs where appropriate.
4710 Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4712 * loop.c (scan_loop): New argument loop_cont. Changed caller.
4713 (strength_reduce): New argument loop_cont. Changed caller.
4714 Before clearing not_every_iteration after a label, check if
4715 we are not already past LOOP_CONT.
4717 1999-02-04 Zack Weinberg <zack@rabi.columbia.edu>
4719 * cpperror.c (cpp_print_containing_files): Fix formatting
4720 bug induced by merge.
4722 1999-02-04 Zack Weinberg <zack@rabi.phys.columbia.edu>
4724 * cpplib.c (initialize_char_syntax): Move to cppinit.c.
4725 (cpp_define): Remove redundant syntax checks.
4726 (make_assertion): Rename cpp_assert, remove redundant syntax
4728 (cpp_options_init): Don't init things to zero twice.
4729 (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
4730 (do_include): Kill excessively verbose #import warning that
4731 snuck back in in the gcc2 merge.
4732 (convert_string): Removed.
4733 (do_line): Rewrite with simple last-name-used cache instead of
4735 (cpp_start_read): Call initialize_char_syntax here, not...
4736 (cpp_reader_init): ...here.
4737 (cpp_handle_options): Support the -std switch.
4738 * cpplib.h (cpp_buffer): Add last_nominal_fname member.
4739 (cpp_options): Add c9x flag.
4740 Declare all the is_* tables and trigraph table here, as const.
4741 Prototype cpp_assert and initialize_char_syntax.
4742 * cppinit.c: New file.
4743 * cppfiles.c (read_and_prescan): Optimize.
4744 * Makefile.in (LIBCPP_OBJS): Add cppinit.o.
4746 Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com>
4748 * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3,
4749 [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register
4750 before calling gen_div_trap.
4752 Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com)
4754 * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather
4755 than numeric value for target_cpu_default..
4756 * configure: Rebuilt.
4758 Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr>
4760 * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and
4761 mkstemp. Get them from libiberty.
4762 (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp.
4763 (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute.
4764 (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules.
4765 (mkstemp.o, getopt1.o, getopt.o): Likewise.
4767 * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric
4769 * pa-hpux.h (LINK_SPEC): Likewise.
4770 * pa-hpux10.h (LINK_SPEC): Likewise.
4771 * pa-hpux9.h (LINK_SPEC): Likewise.
4772 * pa-osf.h (LINK_SPEC): Likewise.
4773 * pa-pro.h (TARGET_DEFAULT): Likewise.
4774 * pa1.h (TARGET_DEFAULT): Likewise.
4775 * pa.h (MASK_*): New defines.
4776 (TARGET_*): Use symbolic values rather than numeric values.
4777 (TARGET_SWITCHES): Likewise.
4778 (TARGET_DEFAULT): Likewise.
4779 (CPP_SPEC): Likewise.
4781 Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4783 * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
4784 * reload.c (find_reusable_reload): New function, broken out of
4785 push_reload. Add code to verify that none of the involved
4786 outputs are subject to earlyclobbers.
4787 (push_reload): Break out new function find_reusable_reload.
4788 Delete "register" keyword for IN, OUT args.
4790 Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com>
4792 * config/mips/mips.c (true_reg_or_0_operand) : New function.
4793 * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand.
4794 * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16):
4795 Use true_reg_or_0_operand for div_trap.
4797 Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4799 * loop.h (express_from): Declare.
4800 (struct induction): Replace derived flag with derived_from pointer.
4801 * loop.c (strength_reduce, record_giv, recombine_givs): Likewise.
4802 (express_from): No longer static.
4803 * unroll.c (find_splittable_givs): Replace derived with derived_from.
4804 When processing an address giv with which another giv has been
4805 combined that has also been derived from a third giv, handle like
4806 having combined with the third giv.
4807 Set splittable_regs_updates appropriately for derived givs.
4809 Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com>
4811 * config/mips/mips.md (div_trap_mips16): Remove nop's after branches.
4813 Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com)
4815 * pa.c (insn_sets_and_refs_are_delayed): New function.
4816 * pa.h (INSN_SETS_ARE_DELAYED): Use it.
4817 (INSN_REFERENCES_ARE_DELAYED): Likewise.
4819 Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com)
4821 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete.
4822 * config/arm/t-linux (LIBGCC2_CFLAGS): Delete.
4823 (TARGET_LIBGCC2_CFLAGS): Define.
4824 (LIBGCC2_DEBUG_CFLAGS): Define.
4825 * config/arm/t-netbsd: Likewise.
4826 * config/arm/t-semi: Likewise.
4827 * config/arm/t-semiaof: Likewise.
4828 * config/arm/t-riscix: Likewise.
4830 Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4832 * config/m68k/m68k.c (print_operand_address): When printing a
4833 SYMBOL_REF that ends in `.<letter>' put parentheses around it.
4835 Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org>
4837 * i386/freebsd*.h now allows '$' in label names and does not use the
4838 PCC struct return method.
4840 Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com>
4842 * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses
4843 of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST.
4844 (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file
4845 names if host == target.
4846 (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete.
4847 (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS.
4848 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules
4849 setting them to *_FOR_TARGET.
4850 * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST):
4853 Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4855 * toplev.h (read_integral_parameter): Declare.
4856 * toplev.c (read_integral_parameter): New function.
4858 Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
4860 * resource.c, resource.h: New files.
4861 * Makefile.in (OBJS): Add it.
4863 * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
4864 (split_block_insns): Moved to recog.c.
4865 (update_flow_info): Make public.
4866 * rtl.h: Declare them.
4868 * reorg.c: Moved the functions dealing with computing resource
4869 usage to resource.c.
4871 * sched.c (regno_use_in): Moved to rtlanal.c.
4872 (update_flow_info): Make public.
4873 (schedule_insns): Use split_block_insns.
4875 * recog.c (split_block_insns): New function.
4877 Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@gnu.org>
4879 * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
4880 (LINK_OS_DEFAULT_SPEC): Delete, unused.
4882 Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
4884 * configure.in (arm-*-oabi): Support.
4885 * configure: Regenerate.
4886 * config/arm/unknown-elf-oabi.h: New file.
4888 Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
4890 * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
4891 Make the anonymous pattern match when ! optimize_size.
4892 (ashlsi3 size optimizer): New pattern.
4894 * intl/Makefile.in (uninstall): Add missing "; \".
4896 Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
4898 * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
4901 Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4903 * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
4904 to after find_and_verify_loops call.
4906 Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4908 * (recombine_givs): Don't use a giv that's likely to be dead to
4911 * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
4912 wrap around when deriving givs.
4914 Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
4916 * recog.c (check_asm_operands): Treat indeterminate operand ok
4917 results as success. Try harder to resolve a matching constraint.
4918 * stmt.c (expand_asm_operands): Recognize when an output operand's
4919 constraint does not allow memory. Treat indeterminate operand ok
4920 results as failure. Try harder to resolve a matching constraint.
4922 Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
4924 Use varrays for constant-equivalence data:
4926 * varray.h (struct const_equiv_data): New type.
4927 (union varray_data_tag): New element const_equiv.
4928 (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
4929 (VARRAY_SIZE): New macro, returns number of elements.
4930 * integrate.h: Include varray.h.
4931 (struct inline_remap): Replace const_equiv_map, const_age_map and
4932 const_equiv_map_size with a const_equiv_varray element.
4933 (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
4935 (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
4936 simultaneously, growing the varray if needed.
4938 * integrate.c (global_const_equiv_map,
4939 global_const_equiv_map_size): Deleted, replaced by....
4940 (global_const_equiv_varray): New variable.
4941 (expand_inline_function): References changed.
4942 * integrate.h: Update declarations.
4944 * integrate.c (process_reg_parm, expand_inline_function,
4945 copy_rtx_and_substitute, try_constants, subst_constants,
4946 mark_stores): Use varray allocation and accessor macros, new
4947 integrate.h macros, and global_const_equiv_varray. Don't
4948 conditionalize non-NULL stores on array size; instead, expand the
4950 * unroll.c (unroll_loop): Likewise.
4952 * unroll.c (unroll_loop): Initialize const_equiv_varray element to
4953 zero. After allocating varray, always exit through bottom of
4954 function, where it can be deallocated if needed. Don't explicitly
4955 reallocate const_equiv_map storage; instead, just ensure the
4956 varray has been initialized, and update the global reference.
4958 Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4960 * system.h (inline, const): Handle these for stage2 (and later) gcc.
4962 * dwarf2out.c (inline): Don't define.
4964 * dwarfout.c (inline): Likewise.
4966 Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
4968 * loop.c (recombine_givs): Dump recombination and derivation data.
4970 Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
4972 * flags.h: Declare flag_no_ident.
4973 * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
4974 * c-tree.h: Don't declare flag_no_ident.
4975 * c-decl.c: Don't define flag_no_ident. Don't process
4976 -f(no-)ident switches here.
4978 * config/elfos.h (ASM_FILE_END): Output final .ident directive
4979 only if !flag_no_ident.
4980 * config/ptx4.h: Likewise.
4981 * config/svr4.h: Likewise.
4982 * config/alpha/elf.h: Likewise.
4983 * config/arm/linux-elf.h: Likewise.
4984 * config/i386/sco5.h: Likewise.
4985 * config/i860/fx2800.h: Likewise.
4986 * config/mips/gnu.h: Likewise.
4987 * config/i386/osfrose.h: Likewise.
4989 * gcc.c (C specs): Map -Qn to -fno-ident.
4990 * objc/lang-specs.h: Likewise.
4992 Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4994 * configure.in: Don't remove loop.o and unroll.o when
4995 enable-haifa is selected.
4996 * configure: Rebuilt.
4998 Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
5000 * i386.md (movsicc, movhicc, movsfcc, movdfcc,
5001 movxfcc, movdicc): Delete unconstrained alternatives.
5002 * i386.c (output_fp_conditional_move,
5003 output_int_conditional_move): Delete unused case.
5005 Sun Jan 31 01:15:04 1999 Jeff Law (law@cygnus.com)
5007 * version.c: Bump for snapshot.
5009 Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
5011 * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
5012 instead of bis and cpys. Combine alternatives where possible.
5014 Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5016 * gcov.c (fnotice): Add missing FILE* parameter.
5017 (function_summary): Fix format specifiers in calls to `fnotice'.
5018 (output_data): Likewise.
5020 * toplev.c (fnotice): Constify char* parameter.
5022 * toplev.h (fnotice): Add prototype.
5023 Wrap prototype with BUFSIZ to protect FILE* usage.
5025 Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5027 * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
5029 Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
5031 * combine.c (distribute_notes): Handle REG_EH_REGION notes.
5033 * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
5034 function definition.
5035 (aliases_everything_p, write_dependence_p):Likewise.
5037 * install.texi: Fix merge lossages.
5039 * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
5041 * collect2.c (main): Likewise.
5042 * cppmain.c (main): Likewise.
5043 * gcc.c (main): Likewise.
5044 * gcov.c (main): Likewise.
5045 * protoize.c (main): Likewise.
5046 * toplev.c (main): Likewise.
5048 * pa.md (parallel shift and shiftadd): Mark output of shift as an
5051 * loop.c: Disable recent loop changes. Temporary as Joern
5052 continues to fix problems.
5054 Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5056 * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
5058 Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
5060 * emit-rtl.c (remove_insn): New function.
5061 * rtl.h (remove_insn): Add prototype.
5062 * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
5064 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5066 * loop.c (recombine_givs): Don't try to derive givs that have combined.
5068 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5070 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
5071 when declaring arguments and calling va_arg() to initialize them.
5073 * collect2.c (notice): Likewise.
5075 * loop.c (find_life_end): Use PROTO() macro in the prototype.
5077 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5079 * collect2.c (error): Fix typo in declaration.
5081 * cpperror.c (cpp_message): Likewise.
5083 * cpplib.c (cpp_warning): Likewise.
5085 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
5088 * toplev.c (error): Fix typo in declaration.
5090 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5092 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
5093 forward from cont dominator.
5095 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5097 * cccp.c (eprint_string): Constify a char*.
5098 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
5099 (vnotice): Constify a char*.
5100 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
5101 (verror): Constify a char*.
5102 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
5103 (vwarning): Constify a char*.
5104 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
5106 (verror_with_line): Constify a char*.
5107 (vwarning_with_line): Likewise.
5108 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
5110 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
5112 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
5113 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
5114 Also correct typo in parameter name declaration.
5115 (make_assertion): Constify a char*.
5116 (quote_string_for_make): Likewise.
5117 (deps_output): Likewise.
5118 (fatal): Likewise. Use PVPROTO not VPROTO, add
5119 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
5120 "__attribute__ ((noreturn))".
5121 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
5122 (pfatal_with_name): Likewise.
5123 (pipe_closed): Likewise.
5124 (memory_full): Likewise.
5126 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5128 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
5129 may_not_optimize to proper size when converting biv increments
5131 If necessary, reallocate reg_iv_type / reg_iv_info before calling
5134 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5136 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
5137 generate complex adds. Changed caller.
5138 Don't generate adds that cost more than the original one.
5139 (strength_reduce): Warning fixes.
5141 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
5143 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
5144 * configure: Rebuilt.
5146 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5148 * rtl.h (insn_first_p, no_jumps_between_p): Declare.
5149 * rtlanal.c (insn_first_p, no_jumps_between_p): New function.
5150 * loop.h (varray.h): Include.
5151 (struct induction): Change combined_with to unsigned.
5152 New members derived, ix and last_use.
5153 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
5154 (REG_IV_TYPE, REG_IV_INFO): Define.
5155 (first_increment_giv, last_increment_giv): Declare.
5156 * loop.c (loop_number_loop_cont): New static variable.
5157 (loop_number_cont_dominator): Likewise.
5158 (reg_iv_type, reg_iv_info): Now varray_type.
5159 (first_increment_giv, last_increment_giv): New variables.
5160 (compute_luids, verify_dominator, find_life_end): New functions.
5161 (cmp_recombine_givs_stats, recombine_givs): Likewise.
5162 (loop_optimize): Allocate loop_number_loop_cont and
5163 loop_number_cont_dominator. Use compute_luids.
5164 (find_and_verify_loops): Initialize loop_number_loop_cont and
5165 loop_number_cont_dominator.
5166 (strength_reduce): Try to find bivs that can be expressed as givs
5167 of another biv, and to convert biv increments into givs.
5168 Call recombine_givs. Handle derived givs.
5169 (record_biv): New argument location. All callers changed.
5170 (record_giv): Initialize derived and last_use fields.
5171 (basic_induction_var): New argument location. All callers changed.
5172 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
5173 Increment combined_with instead of setting to 1.
5174 * unroll.c (derived_regs): New static variable.
5175 (unroll_loop): Initialize it.
5176 Allocate local_regno according to max_reg_num.
5177 (copy_loop_body): Cope with derived givs.
5178 (find_splittable_givs): Check for Givs made from biv increments.
5179 Set derived_regs for givs.
5180 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
5182 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5184 * function.c (purge_addressof_1): Handle case when a register
5185 has been used in a wider mode.
5187 1999-01-27 Bruce Korb <autogen@linuxbox.com>
5189 * fixinc/fixincl.c, fixinc/server.[ch]:
5190 Removed the last of the capitalized variable and proc names.
5192 * fixinc/server.c: Removed the process open code.
5193 * fixinc/procopen.c: New file containing the proc open code.
5194 * fixinc/inclhack.tpl: Added code to bypass a readability test
5195 when a file is not present. A problem on some systems.
5196 * fixinc/inclhack.sh, fixinc/fixincl.sh: Regenerated.
5198 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
5200 * cpplib.h (cpp_notice): Add prototype.
5202 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
5204 * Merge gcc2 snapshot 19980929.
5206 * cccp.c (PRINTF_PROTO): Remove.
5207 (PRINTF_PROTO_{1,2,3,4}: Likewise.
5209 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
5211 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
5212 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
5213 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
5215 * gen-protos.c (hashf): Delete in cpphash.o.
5216 * gen-protos.c (hashf): Delete in cpphash.o.
5218 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
5219 * expmed.c: Likewise.
5220 * rs6000.md: Likewise.
5222 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
5224 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
5226 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
5227 * rs6000.md (movsi, movdi): Likewise.
5229 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
5231 * function.c (expand_function_end): Pass arg_pointer_save_area to
5232 validize_mem before using it. Emit code into a sequence.
5234 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@gnu.org>
5236 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
5237 '#' to split patterns. Correct indentation of some new patterns.
5239 1999-01-26 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
5241 * cppfiles.c (safe_read): Deleted.
5242 (read_and_prescan): New function, replaces safe_read, converts
5243 and/or warns about trigraphs, silently converts odd line
5244 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
5245 (finclude): Use read_and_prescan; turn off nonblocking mode on
5246 the input descriptor; remove file-size-examination and
5247 no-newline-at-EOF gunk which is longer necessary; be more
5248 careful about checking that we've been handed a legitimate
5249 file to read (only real files, pipes, and ttys are acceptable).
5250 * cpplib.h (cpp_options): Rename no_trigraphs flag to
5251 `trigraphs' and invert its sense.
5252 (trigraph_table): Declare.
5253 (cpp_warning_with_line): Prototype.
5254 * cpplib.c: Remove all references to trigraph_pcp. Define
5255 trigraph_table; initialize it in initialize_char_syntax. Open
5256 files in nonblocking mode. s/no_trigraphs/trigraphs/
5257 throughout, and invert sense. Put cpp_warning_with_line back
5260 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5262 * config/c4x/c4x.h (COUNTER_REGS): New register class.
5263 * config/c4x/c4x.md (*rptb_init): Change constraints.
5264 (rptb_end): Emit alternate looping instructions if
5265 RC register not allocated for loop counter.
5266 (decrement_and_branch_on_count): Allow other registers
5269 1999-01-25 Zack Weinberg <zack@rabi.columbia.edu>
5271 * cppexp.c (struct arglist): Removed.
5272 (parse_number): Use HOST_WIDE_INT for the accumulator.
5273 Allow two `l' suffixes unless C89. Clean up. Make static.
5274 (parse_charconst): New function broken out of cpp_lex.
5275 Code cleaned up drastically. Don't use a token_buffer.
5276 (token_buffer): Removed.
5277 (cpp_lex): Don't call parse_number on a constant string.
5278 Use parse_charconst.
5279 (cpp_parse_expr): Properly handle an ERROR op returned by
5282 1999-01-25 Zack Weinberg <zack@rabi.phys.columbia.edu>
5284 * cpplib.c: Don't include signal.h, sys/times.h, or
5285 sys/resource.h. Don't declare localtime.
5286 (macroexpand): Handle special symbols here.
5287 (push_macro_expansion): Chop off the trailing '@ ' if possible
5289 (cpp_get_token): Don't do either of the above two things here.
5290 Move `string' label just after case '"' so that wide strings
5291 don't crash the preprocessor.
5293 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@gnu.org>
5295 * rs6000.md (left shift + set cr patterns): Add missing '#' to
5297 (move register + set cr pattern): Likewise.
5298 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
5299 inadvertently deleted.
5301 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
5303 * stmt.c (stmt_loop_nest_empty): New function.
5304 * tree.h (stmt_loop_nest_empty): Declare it.
5305 * rtl.def (CALL_PLACEHOLDER): New rtx code.
5307 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5309 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
5311 (c4x_check_legit_addr): Remove USE and PLUS, allow
5312 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
5313 (c4x_legitimize_address): Penalize SYMBOL_REF, LABEL_REF, and
5314 CONST cases. Add LO_SUM.
5315 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
5316 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
5317 (c4x_print_operand_address): Handle LO_SUM.
5318 (c4x_scan_for_ldp): Delete. Hooray!
5319 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
5321 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
5323 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
5325 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
5327 (c4x_U_constraint, symbolic_operand): New functions.
5328 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
5329 disable SYMBOL_REF, LABEL_REF, and CONST.
5330 (lsrc_operand, tsrc_operand): Call src_operand instead of
5332 (c4x_operand_subword): Update comments.
5334 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
5335 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
5336 plus HIGH and LO_SUM for the C40.
5337 (ENCODE_SECTION_INFO): Define macro.
5338 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
5340 (PREDICATE_CODES): Add symbolic_operand.
5342 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
5343 c4x_emit_move_sequence.
5344 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
5345 to avoid symbol references.
5346 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
5347 (set_high): Renamed from set_high_use.
5348 (set_lo_sum): Renamed from set_ior_lo_use.
5349 (all call patterns): Make MEM explicit in call address operands.
5350 Modified output templates to use 'U' modifier.
5352 Sun Jan 24 01:15:05 1999 Jeff Law (law@cygnus.com)
5354 * version.c: Bump for snapshot.
5356 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5358 * final.c (bb_str): Qualify a char* with the keyword `const'.
5359 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
5361 * fix-header.c (read_scan_file): Likewise.
5363 * genoutput.c (output_epilogue, process_template): Likewise.
5365 * local-alloc.c (requires_inout, block_alloc): Likewise.
5367 * output.h (output_asm_insn, assemble_string): Likewise.
5369 * recog.c (recog_constraints, check_asm_operands,
5370 decode_asm_operands, extract_insn, preprocess_constraints,
5371 constrain_operands): Likewise.
5373 * recog.h (operand_alternative, recog_constraints, insn_template,
5374 insn_outfun, insn_operand_constraint, insn_name): Likewise.
5376 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
5378 * regmove.c (find_matches): Likewise.
5380 * reload.c (alternative_allows_memconst): Likewise.
5382 * reload1.c (constraint_accepts_reg_p,
5383 reload_cse_simplify_operands): Likewise.
5385 * rtl.h (decode_asm_operands): Likewise.
5387 * scan.h (fn_decl): Likewise.
5389 * varasm.c (assemble_string): Likewise.
5391 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
5393 * configure.in (gcc_tooldir): Handle case where exec_prefix has
5394 not been explicitly set.
5395 * configure: Rebuilt.
5397 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
5400 * bitmap.h (bitmap_head_def): Make indx field unsigned.
5402 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
5403 use $exec_prefix/$target_alias for gcc_tooldir.
5404 * configure: Rebuilt.
5406 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
5408 * cppp.c (xrealloc): Fix typo last change.
5409 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
5410 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
5411 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
5413 1999-01-22 Michael Meissner <meissner@cygnus.com>
5415 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
5416 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
5417 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
5418 (cc_reg_not_cr0_operand): Add declaration.
5420 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
5421 pseudo register, or a control register that is not CR0.
5423 * rs6000.md (all combiner patterns building . instructions): For
5424 all `.' instructions that do something and set cr0, add an
5425 alternative that does the operation, and then sets a different
5426 flag, in order to avoid using the costly mcrf instruction and also
5427 allow cr0 to be clobbered in asm statements. Also fix a few
5428 patterns that used the wrong register.
5430 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
5431 (rs6000_debug_name): Make const char *, not char *.
5433 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
5435 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
5436 (rs6000_select): Use const char * in casts.
5438 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
5440 * Makefile.in (gcc_tooldir): Move before first reference.
5441 Let autoconf substitute in a value.
5442 * configure.in (gcc_tooldir): Only use a relative path to the
5443 tool directory if $exec_prefix == $prefix.
5444 * configure: Rebuilt.
5446 * Makefile.in (tooldir): Replace with gcc_tooldir.
5448 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
5450 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indentation.
5451 (ashldi3 expander): Similarly. Update comments.
5452 (ashrdi_const, lshrdi_const): Fix indentation.
5453 (ashrdi3, lshrdi3): Fix indentation. Update comments.
5455 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
5457 * emit-rtl.c (try_split): Don't try to split non-instructions.
5459 Thu Jan 21 23:47:30 1999 Andrew MacLeod <amacleod@cygnus.com>
5461 * expr.c (emit_push_insn): Fix dumb typo.
5463 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
5465 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
5466 transformations that we have performed earlier.
5467 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
5469 * alpha.md (prologue_stack_probe_loop): Don't do our own label
5470 handling, call gen_label_rtx instead.
5472 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
5474 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
5476 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
5477 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
5478 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
5479 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
5480 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
5482 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
5484 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
5485 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
5486 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
5487 * configure: Regenerate.
5489 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
5491 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
5493 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
5495 Thu Jan 21 14:18:04 1999 Andrew MacLeod <amacleod@cygnus.com>
5497 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
5499 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
5500 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
5501 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
5502 (move_by_pieces): Use new macros.
5503 (emit_block_move): Use new macros.
5504 (clear_by_pieces): Use new macros.
5505 (clear_storage): Use new macros.
5506 (emit_push_insn): Use new macros.
5507 (expand_expr): Use new macros.
5508 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
5510 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
5511 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
5512 (MOVE_MAX_PIECES): Move 8 bytes on SH4.
5513 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
5514 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
5515 USE_STORE_PRE_DECREMENT): Describe new macros.
5517 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
5519 * varasm.c (output_constant_pool): Use floor_log2 instead of
5520 exact_log2 for ASM_OUTPUT_ALIGN.
5522 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
5524 * emit-rtl.c (operand_subword): Handle case when a subword outside
5527 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
5530 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
5532 * cse.c (fold_rtx): Revert 29 Dec change.
5533 (cse_insn): Revert 12 Jan change.
5534 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
5535 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
5536 * rtl.def: Likewise.
5537 * rtl.h (CONSTANT_P): Likewise.
5539 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
5541 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
5542 * alpha.c (input_operand): Likewise.
5543 * c4x.c (const_operand): Likewise.
5545 * explow.c (allocate_dynamic_stack_space): Use register_operand
5546 instead of arith_operand, which does not exist.
5548 * 1750a.h: Fix comment closure.
5549 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
5550 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
5551 * arm.h (TARGET_SWITCHES): Fix typo.
5552 * i370.md (anon mult and div patterns): Fix set mode mismatch.
5553 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
5554 (output_delay_insn): Likewise.
5555 * m88k.md (anon rotate insns): Fix set mode mismatch.
5556 (anon BLKmode moves): Commonize and fix set mode mismatches.
5557 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
5558 * romp.md (movdf): Fix typo.
5560 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
5562 * Makefile.in (install-common): Remove extraneous chmod for gcov
5565 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
5567 * function.c (assign_parms): Save and restore setting of
5570 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
5572 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
5573 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
5575 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
5577 * recog.c (pop_operand): New function.
5578 * recog.h (pop_operand): Declare it.
5579 * genrecog.c (preds): Define it.
5581 * expr.c (do_jump_for_compare): Handle conditional branch expanders
5582 emitting multiple jump instructions.
5583 * jump.c (condjump_label): New function.
5584 * rtl.h (condjump_label): Declare it.
5586 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
5588 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
5589 clobber during or after reload.
5591 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
5593 * genoutput.c (name_for_index): New function.
5594 (scan_operands, validate_insn_alternatives): Use it.
5595 * genrecog.c (insn_name_ptr_size): New variable.
5596 (make_insn_sequence): Fill in insn_name_ptr.
5597 (merge_trees): Use it.
5599 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
5601 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
5602 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
5603 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
5605 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
5607 * loop.c (NUM_STORES): Delete.
5608 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
5609 (prescan_loop): Properly initialize loop_mems_idx.
5610 (note_addr_stored): Simplify using list structure instead of
5612 (invariant_p, check_dbra_loop, load_mems): Similarly.
5614 * flow.c (invalidate_from_autoinc): New function.
5615 (mark_set_1, mark_used_regs): Use it.
5617 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
5619 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
5621 * invoke.texi (-mlong-double-64): New option description.
5623 1999-01-19 Jim Wilson <wilson@cygnus.com>
5625 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
5626 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
5627 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
5629 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
5630 (CPP_SPECS): Add -mlong-double-64 support.
5631 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
5632 (TARGET_SWITCHES): Add -mlong-double-64 support.
5633 (LONG_DOUBLE_TYPE_SIZE): Likewise.
5634 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
5635 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
5636 (CPP_SPECS): Add -mlong-double-64 support.
5637 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
5638 (MULTILIB_DIRNAMES): Add ld64.
5639 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
5641 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
5643 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
5644 invisible reference.
5646 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@gnu.org>
5648 * rs6000.c (offsettable_addr_operand): Delete.
5649 (offsettable_mem_operand): New function.
5650 * rs6000.h (PREDICATE_CODES): Reflect function change.
5651 (RS6000_SAVE_TOC): Represent address as MEM.
5652 * win-nt.h (RS6000_SAVE_TOC): Same.
5653 * rs6000.md (indirect calls): Change offsettable address parameter
5654 to offsettable memory parameter.
5656 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
5658 * rtl.h (rtx_def): Update documentation.
5659 (MEM_IN_STRUCT_P): Likewise.
5660 (MEM_SCALAR_P): New macro.
5661 (MEM_COPY_ATTRIBUTES): Likewise.
5662 (MEM_SET_IN_STRUCT_P): Likewise.
5663 * rtl.texi (MEM_SCALAR_P): Document.
5664 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
5665 (fixed_scalar_and_varying_struct_p): New function. Use
5666 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
5667 (aliases_everything_p): Likewise.
5668 (true_dependence): Use them.
5669 (write_dependence_p): New function, containing code common to
5670 anti_dependence and output_dependence.
5671 (anti_dependence): Use it.
5672 (output_dependence): Likewise.
5673 * calls.c (save_fixed_argument_area): Don't clear
5675 (expand_call): Use MEM_SET_IN_STRUCT_P.
5676 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
5677 (emit_library_call_value): Likewise.
5678 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
5679 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
5680 (make_extraction): Likewise.
5681 (simplify_shift_const): Likewise.
5682 (gen_lowpart_for_combine): Likewise.
5683 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
5684 * emit-rtl.c (operand_subword): Likewise.
5685 (change_address): Likewise.
5686 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
5687 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
5688 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
5689 (copy_blkmode_from_reg): Likewise.
5690 (store_field): Likewise.
5691 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
5692 heuristically. Use MEM_SET_IN_STRUCT_P.
5693 (get_memory_rtx): Likewise.
5694 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
5695 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
5696 MEM_ALIAS_SET on newly returned MEMs.
5697 (assign_temp): Use MEM_SET_IN_STRUCT_P.
5698 (put_reg_into_stack): Likewise.
5699 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
5700 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
5701 (assign_parms): Likewise.
5702 (expand_function): Likewise.
5703 * integrate.c (expand_inline_function): Likewise.
5704 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
5705 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
5706 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
5707 * print-rtl.c (print_rtx): Print /f for frame_related.
5708 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
5709 * reload1.c (reload): Copy MEM_SCALAR_P as well.
5710 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
5711 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
5712 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
5713 (output_constant_def): Likewise.
5714 * a29k.c (a29k_set_memflags_1): Take scalar_p.
5716 (a29k_set_memflags): Use it.
5717 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
5718 * c4x.c (c4x_scan_for_ld): Likewise.
5719 * h8300.c (fix_bit_operand): Likewise.
5720 * m88k.c (legitimize_address): Likewise.
5721 (block_move_loop): Likewise.
5722 (block_move_no_loop): Likewise.
5723 (block_move_sequence): Likewise.
5724 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
5725 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
5726 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
5727 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
5728 * arm.h (arm_gen_load_multiple): Take scalar_p.
5729 (arm_store_load_multiple): Likewise.
5730 * arm.c (arm_gen_load_multiple): Likewise.
5731 (arm_gen_store_multiple): Likewise.
5732 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
5734 Tue Jan 19 12:30:37 1999 Andrew MacLeod <amacleod@cygnus.com>
5736 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
5737 calls within a libcall block to indicate no throws are possible.
5738 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
5739 libcall blocks. Don't add edges to exception handlers if we see
5740 a REG_EH_REGION note with a value of 0.
5741 (make_edges): Override active_eh_region vector if the call has a note
5742 indicating the call does not throw.
5744 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
5746 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
5748 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
5750 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
5752 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
5754 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
5756 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
5758 * invoke.texi (-mcpu=740, -mcpu=750): New options.
5759 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
5762 1999-01-18 Michael Meissner <meissner@cygnus.com>
5764 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5765 supported with -mcpu=xxx.
5766 (processor_type): Add PROCESSOR_PPC750.
5767 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
5768 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
5769 (rs6000_adjust_priority): Add declaration.
5771 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
5772 processor type as 750, not 603. Allow -mmultiple and -mstring on
5773 little endian 750 systems.
5774 (rs6000_adjust_priority): Stub for now.
5775 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
5777 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
5779 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
5781 (CC1_SPEC): Pass -mstrict-align if little endian, and not
5783 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
5784 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
5786 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
5789 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
5791 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
5793 * config/mips/mips.md (div_trap): Split div_trap_mips16
5795 (div_trap_normal,div_trap_mips16): Correct the length attributes.
5797 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5799 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
5800 Instead of writing to const char *buf directly, use a non-const
5801 variable `wbuf' to allocate and write a string, then set buf = wbuf.
5803 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
5806 * dyn-string.c (dyn_string_append): Likewise.
5808 * dyn-string.h (dyn_string_append): Likewise.
5810 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
5812 * output.h (end_final, output_operand_lossage, asm_fprintf,
5813 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
5816 * profile.c (init_branch_prob): Likewise.
5818 * toplev.c (set_target_switch, vmessage,
5819 v_message_with_file_and_line, v_message_with_decl,
5820 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
5821 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
5822 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
5823 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
5824 open_dump_file, dump_rtl, clean_dump_file,
5825 print_version, print_single_switch, print_switch_values,
5826 dump_base_name, debug_args, lang_independent_options,
5827 user_label_prefix, documented_lang_options, target_switches,
5828 target_options, print_time, pfatal_with_name, fatal_io_error,
5829 fatal_insn, default_print_error_function, print_error_function,
5830 report_error_function, error_with_file_and_line, error_with_decl,
5831 error_for_asm, error, fatal, warning_with_file_and_line,
5832 warning_with_decl, warning_for_asm, warning, pedwarn,
5833 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
5834 really_sorry, botch, output_quoted_string, output_file_directive,
5835 open_dump_file, rest_of_decl_compilation, display_help, main):
5838 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
5839 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
5840 warning_with_file_and_line, error_with_file_and_line, sorry,
5841 really_sorry, default_print_error_function, report_error_function,
5842 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
5843 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
5844 output_file_directive, botch): Likewise.
5846 * tree.h (make_decl_rtl): Likewise.
5848 * varasm.c (strip_reg_name, named_section, decode_reg_name,
5849 make_decl_rtl): Likewise.
5851 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
5853 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
5854 directory logically rather than physically.
5856 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5858 * loop.c (insert_bct): Hide the definition of variables
5859 `increment_direction', `compare_direction', `add_iteration' and
5862 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
5863 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
5864 (mode_independent_operand): Mark label `lose' with
5865 ATTRIBUTE_UNUSED_LABEL.
5867 * regclass.c (n_occurrences): Remove prototype and definition.
5869 * reload.c (find_reloads_address_1): Mark variable `tem' with
5872 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
5874 * sbitmap.c (sbitmap_copy): Likewise.
5876 * scan-decls.c (scan_decls): Hide label `handle_comma'.
5878 * toplev.c (output_lang_identify): Mark prototype with
5881 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
5882 (make_tree_vec): Likewise.
5885 * varasm.c (assemble_static_space): Mark variable `tem' with
5888 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
5890 * Makefile.in (GCOV_INSTALL_NAME): New macro.
5891 (install-common): Use it.
5892 (uninstall): Use it.
5893 (uninstall): Use correct names for protoize and unprotoize.
5895 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
5896 Jeffrey A Law (law@cygnus.com)
5898 * flow.c (last_mem_set): Delete variable. References removed.
5899 (mem_set_list): New variable.
5900 (life_analysis): Initialize and finalize alias analysis.
5901 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
5902 (insn_dead_p): For a store to memory, search the entire mem_set_list
5904 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
5905 changes to their addresses. Add new entries to the mem_set_list for
5906 memory writes writes.
5907 (mark_used_regs): Kill entries on the mem_set_list which may be
5908 referenced by a load operation.
5910 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
5912 * alias.c (base_alias_check): Add missing return for differing
5915 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5917 * mips-tdump.c (print_file_desc): Handle unknown filenames and
5918 missing local symbols.
5920 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
5922 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
5924 * system.h (bcopy): Implement with memmove not memcpy.
5926 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
5928 * Makefile.in (cppulp.o): Add dependencies.
5930 * i386.md (integer conditional moves): Add missing earlyclobbers.
5932 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
5933 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
5934 where a register is live.
5936 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
5938 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
5939 of a FP conditional move is not on the FP register stack.
5941 Sun Jan 17 01:15:04 1999 Jeff Law (law@cygnus.com)
5943 * version.c: Bump for snapshot.
5945 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
5947 * reload1.c (reload_cse_regs_1): Do not call
5948 reload_cse_simplify_operands for an insn with asm operands.
5950 * cccp.c (print_help): Fix typos.
5951 * cpplib.c (print_help): Fix typos.
5952 * toplev.c (f_optiosn): Fix typos.
5953 (documented_lang_options): Fix typos.
5955 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
5957 * gcc.c (do_spec_1): Fix obvious typo.
5959 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5961 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
5962 a non-static function declaration follows a static one.
5964 * invoke.texi (-Wtraditional): Document the extra check now done
5967 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
5969 * pa.md (shadd): Create shadd insns, even if the result of the shift is
5970 needed without the addition.
5972 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5974 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
5976 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
5978 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
5980 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@gnu.org>
5982 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
5983 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
5984 non_add_cint_operand, non_logical_cint_operand): Likewise.
5985 (get_issue_rate): Add CPU_PPC604E case.
5986 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
5988 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
5990 * expr.c (queued_subexp_p): Make public.
5991 * expr.h (queued_subexp_p): Declare it.
5992 * recog.c (asm_operand_ok): New function.
5993 (check_asm_operands): Use it. After reload, use constrain_operands
5995 * recog.h (asm_operand_ok): Declare it.
5996 * stmt.c (expand_asm_operands): Use it to try harder to make
5997 asms initially satisfy their constraints.
5999 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
6001 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
6002 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
6004 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6006 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
6007 in delay slot of RPTBD.
6009 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6011 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
6012 divide and modulo sign problem.
6014 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6016 * unroll.c (loop_iterations): Return 0 if the last loop insn
6017 is not a jump insn or if the loop has multiple back edges.
6019 1999-01-15 Manfred Hollstein <manfred@s-direktnet.de>
6021 * configure.in (fixinc_defs): Do not define for m[68]8k-motorola-sysv{,3};
6022 it's working properly now. Remove comment saying "see m68k-motorola-sysv
6024 * configure: Regenerate using autoconf.
6026 * fixinc/fixincl.c (main): Do not ignore SIGCHLD.
6028 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
6030 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
6031 a register with another DEST_ADDR giv if the address is not valid.
6033 * pa.c (hppa_expand_epilogue): Save and restore the static chain
6034 around the call to mcount.
6036 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
6038 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
6039 generating non-canonical rtl.
6041 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
6043 * config/i960/i960.c (i960_output_move_double_zero,
6044 i960_output_move_quad_zero): New functions for moving zeros.
6045 (i960_output_move_double, i960_output_move_quad): Additional code
6046 for situation when moving unaligned register group.
6048 * config/i960/i960.h (i960_output_move_double_zero,
6049 i960_output_move_quad_zero): The function definitions.
6051 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
6053 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
6055 * config/i960/i960.c (i960_function_prologue): New code (optimal
6056 solution) for saving global registers in local registers.
6057 (form_reg_groups, reg_group_compare, split_reg_group): New
6058 functions used by the code.
6059 (reg_group): New structure definition for the new code.
6061 1999-01-13 Manfred Hollstein <manfred@s-direktnet.de>
6063 * fixinc/fixincl.c (create_file): Pass file creation mask as
6064 third parameter to "open". Use O_TRUNC flag to open instead of
6065 explicitly unlink'ing the file.
6066 (process): and forget about the "chmod" stuff.
6068 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
6070 * integrate.c (expand_inline_function): Recognize (mem (addressof))
6071 and substitute. Copy the return value from there into a new pseudo.
6073 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
6075 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
6076 before generating a call to abort for volatile functions.
6077 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
6078 (TARGET_ABORT_NORETURN): Define.
6079 (abort-on-noreturn): New option.
6081 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6083 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
6084 and binarycc operations in 3rd annulled delay slot!
6086 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
6088 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
6089 before generating a call to abort for volatile functions.
6090 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
6091 (TARGET_ABORT_NORETURN): Define.
6092 (abort-on-noreturn): New option.
6094 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6096 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
6097 Remove prototype which we get from libiberty.h.
6099 * collect2.c (xstrdup): Likewise.
6101 * genextract.c (xstrdup): Likewise for `copystr'.
6102 (mybzero): Remove it and use `memset' instead.
6104 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
6105 to use `memcpy' and `memset' instead.
6107 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
6108 changed. Remove prototype.
6109 (mybcopy, mybzero): Remove these and use memcpy/memset.
6111 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
6113 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
6114 generating code for TARGET_64BIT.
6116 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@gnu.org>
6118 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
6119 HOST_WIDE_INT word-size.
6120 (rs6000_stack_info): Remove redundant alignment of fpmem.
6122 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
6124 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
6125 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
6126 (input_operand): Adjust CONSTANT_P_RTX handling.
6127 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
6128 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
6129 (movhi, movqi): Remove CONSTANT_P_RTX handling.
6130 (movdi): Adjust CONSTANT_P_RTX handling.
6132 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
6134 * configure: Regenerate using autoconf.
6136 * fixinc/Makefile.in (INCLUDES): Add -I$(srcdir)/../../include.
6137 * fixinc/fixincl.c (SIGCHLD): Use SIGCLD on (very) old systems.
6138 (process): "fchmod" isn't available on all systems, use "chmod"
6140 * fixinc/server.c: Add #include <sys/types.h>.
6141 (STDIN_FILENO): Add default definition if no include file defines
6143 (STDOUT_FILENO): Likewise.
6145 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
6147 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
6149 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
6151 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
6152 ensure all prototypes necessary for building libio will be available.
6153 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
6154 definitions here as they are not host specific.
6155 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
6157 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
6159 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
6161 Tue Jan 12 02:36:10 1999 Jeff Law (law@cygnus.com)
6163 * version.c: Bump for snapshot.
6165 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
6167 * rtl.c (rtx_alloc): Use memset instead of inline loop.
6169 * recog.h (recog_op_alt): Declare extern.
6171 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
6173 * function.c (purge_addressof_1): If the note accesses a mem+addressof
6174 in a wider mode than any replacement, adjust the cached replacement.
6175 Cache trivial substitutions as well.
6177 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
6179 * Makefile.in (OBJECTS): Add sbitmap.o.
6180 (BASIC_BLOCK_H): Add sbitmap.h.
6181 * basic-block.h: Move simple bitmap code to sbitmap.h.
6182 * flow.c: Move simple bitmap code to sbitmap.c.
6183 * sbitmap.h, sbitmap.c: New files.
6185 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
6187 * alpha.h (TARGET_SWITCHES): Document switches.
6188 (TARGET_OPTIONS): Likewise.
6190 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
6192 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
6194 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
6196 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
6198 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
6199 (basic_block_end): Rename to x_basic_block_end.
6200 (BLOCK_HEAD, BLOCK_END): Update.
6202 * caller-save.c: Change basic_block_head/end references to
6204 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
6205 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
6206 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
6208 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6210 * gcc.c (xstrerror): Renamed from my_strerror. All callers
6211 changed. Remove prototype since we get that from libiberty.h.
6213 * protoize.c (xstrerror): Likewise.
6215 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6217 * gcc.c (read_specs): Ensure format specifiers match their arguments.
6219 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
6221 * tree.c (copy_node): Oops. That would be copy not zero
6222 in that last change.
6224 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6226 * config/c4x/c4x.c: Include system.h.
6227 (c4x_caller_save_map): Disable caller save for RC.
6228 (c4x_optimization_options): Disable scheduling before reload.
6229 (valid_parallel_load_store) : Define return type as int.
6230 Remove unused variable regs.
6231 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
6233 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
6235 (*db, decrement_and_branch_until_zero): Fix up constraints
6236 to keep reload happy.
6238 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
6240 * tree.c (make_node): Call bzero instead of inline clear.
6241 (copy_node, make_tree_vec, build1): Likewise.
6242 (get_identifier): Call strlen instead of inline count.
6243 (maybe_get_identifier): Likewise.
6245 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6247 * config/c4x/c4x.md (in_annul_slot_3): Allow unarycc and binarycc
6248 operations in 3rd annulled delay slot.
6249 (*lshrqi3_const_set): Disallow c constraint for operand0.
6250 (modhi3+1, modhi3+2): Set attribute type to multi.
6251 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
6254 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6256 * gansidecl.h: Allow attribute unused on labels only when we are
6257 version 2.93 or higher. Not all versions of 2.92 have this feature.
6259 * version.c: Bump minor number to 93.
6261 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6263 * config/m68k/m68k.h: Declare output_function_epilogue.
6264 * recog.h: Declare next_insn_tests_no_inequality.
6266 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
6268 * stmt.c (optimize_tail_recursion): New function, extracted from ...
6269 (expand_return): Use optimize_tail_recursion.
6270 * tree.h (optimize_tail_recursion): Declare.
6272 * toplev.c (compile_file): Move call to output_func_start_profiler
6273 to after the loop to emit deferred functions.
6275 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6277 * system.h (abort): Supply more detailed information on how to
6278 report an Internal Compiler Error.
6280 Thu Jan 7 09:25:58 1999 Bruce Korb (korb@datadesign.com)
6282 * fixinc/fixincl.c (*): More decapitalization of variables
6283 plus some explanatory comments.
6285 * fixinc/Makefile.in fixinc/mkfixinc.sh:
6286 When the fixincl program does not work for a certain system,
6287 we substitute a shell script. Added user commentary when
6290 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
6292 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
6293 allocate memory that will live beyond this function.
6294 (expand_call): Free it here.
6296 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
6298 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
6299 integer data not destined for fp regs.
6300 (LEGITIMIZE_RELOAD_ADDRESS): New.
6302 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
6303 Richard Henderson <rth@cygnus.com>
6305 Support for Hypersparc and Sparclite86x:
6306 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
6307 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
6308 (ASM_CPU32_DEFAULT_SPEC): Likewise.
6309 (TARGET_CPU_DEFAULT): Likewise.
6310 (enum processor_type): Likewise.
6311 (CPP_ENDIAN_SPEC): Handle little endian data.
6312 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
6313 (ADJUST_COST): Call sparc_adjust_cost.
6314 * sparc.c (sparc_override_options): Fix up for the new targets.
6315 (supersparc_adjust_cost): Make static.
6316 (hypersparc_adjust_cost): New.
6317 (ultrasparc_adjust_cost): Make static.
6318 (sparc_adjust_cost): New.
6319 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
6320 (function_unit): Add hypersparc scheduling rules.
6322 * configure.in (with_cpu handler): Recognize hypersparc.
6324 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6326 * config/c4x/c4x.c: Added space after negation operator.
6327 * config/c4x/c4x.h: Likewise.
6328 * config/c4x/c4x.md: Likewise.
6330 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6332 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
6334 Thu Jan 7 00:29:25 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6336 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
6337 when a test can't be performed due to limited width of
6338 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
6339 Fix UDIV case for cases where the first operand has the highest bit
6342 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
6344 * pa.h (reg_class): Add FPUPPER_REGS.
6345 (REG_CLASS_NAMES): Similarly.
6346 (REG_CLASS_CONTENTS): Similarly.
6347 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
6348 (FP_REG_CLASS_P): Likewise.
6349 (REG_CLASS_FROM_LETTER): Similarly.
6350 (CLASS_MAX_NREGS): Similarly.
6352 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
6354 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
6355 for a typedef of bool. Make sure to have a copy of the file is
6356 in place before we look to fix it. Fix typo in variable name to
6359 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
6361 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
6362 value_mode for the return mode.
6364 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
6366 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
6367 debugging as default.
6369 * config/tm-dwarf2.h: New file.
6371 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
6373 * h8300.h (ASM_OUTPUT_LABELREF): Define.
6375 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
6376 * local-alloc.c (update_equiv_regs): Corresponding changes.
6377 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
6379 * calls.c (special_function_p): Push alloca test inside the large
6380 conditional which excludes functions not at file scope or not
6383 * calls.c (special_function_p): New function broken out of
6385 (precompute_register_parameters): Likewise.
6386 (store_one_arg): Likewise.
6387 (store_unaligned_argumetns_into_pseudos): Likewise.
6388 (save_fixed_argument_area): Likewise.
6389 (restore_fixed_argument_area): Likewise.
6390 (expand_call): Corresponding changes.
6392 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6394 * config/c4x/c4x.md (addqi3): If the destination operand is
6395 a hard register other than an extended precision register,
6396 emit addqi3_noclobber.
6397 (*addqi3_noclobber_reload): New pattern added so that reload
6398 will recognize a store of a pseudo, equivalent to the sum
6399 of the frame pointer and a constant, as an add insn.
6401 1999-01-06 Manfred Hollstein <manfred@s-direktnet.de>
6403 * fixinc/fixincl.c: Re-indent according to the GNU standards.
6404 fixinc/server.c: Likewise.
6405 fixinc/server.h: Likewise.
6407 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6409 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
6411 (const_sint32_operand): Likewise.
6413 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6415 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
6416 is a macro when deciding if we can use `jmp_buf' in prototypes.
6418 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net>
6420 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
6421 * configure: Rebuilt.
6422 * i386/xm-go32.h: Define LIBSTDCXX.
6424 * i386/go32.h (MD_EXEC_PREFIX): Define.
6425 (FILE_NAME_ABSOLUTE_P): Define.
6426 (LINK_COMMAND_SPEC): Define.
6428 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
6430 * expr.c (store_expr): If the lhs is a memory location pointed
6431 to be a postincremented (or postdecremented) pointer, always
6432 force the rhs to be evaluated into a pseudo.
6434 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
6436 * real.c (mtherr): Print more reasonable warning messages.
6438 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6440 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
6442 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
6443 (new_include_prefix): Constify char* parameters.
6445 * cppfiles.c (read_name_map): Likewise.
6446 (append_include_chain): Likewise. Also, use a writable char* copy
6447 of parameter `dir' which we then modify, rather than using the
6448 parameter itself to store the new writable string.
6449 (remap_filename): Constify some variables. Also, use a writable
6450 char* to store an allocated string which we will be modifying.
6452 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
6453 (cpp_start_read): Constify variable `str'.
6455 * cpplib.h (append_include_chain): Constify a char* parameter.
6457 * gcc.c Include prefix.h, don't prototype prefix.c functions.
6458 (add_prefix, save_string): Constify char* parameters.
6459 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
6461 * prefix.c: Include prefix.h.
6462 (get_key_value, translate_name, save_string, update_path,
6463 set_std_prefix): Constify various char* parameters and variables.
6464 (save_string): Use xmalloc, not malloc.
6465 (translate_name): Use a writable temporary variable to create and
6466 modify a string before setting it to a const char*.
6468 * prefix.h: New file to prototype functions exported from prefix.c.
6470 Tue Jan 5 08:52:18 1999 Bruce Korb (korb@datadesign.com)
6472 * fixinc/fixincl.c (various): Added debug code so
6473 Manfred can trace the processing.
6475 * fixinc/inclhack.def (sys/utsname.h): Provide forward declaration of
6476 struct utsname on Ultrix V4.[35].
6478 * fixinc/{fixincl.x|fixincl.sh|inclhack.sh} : Regenerated.
6480 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
6482 * cpplib.c (skip_if_group): Split out the logic that handles
6483 directive recognition to its own function. Don't use
6484 parse markers; use a bare pointer into the buffer. Use
6485 copy/skip_rest_of_line instead of doing it by hand. Remove
6486 `return on any directive' mode which was never used, and take
6488 (consider_directive_while_skipping): New function, subroutine
6489 of skip_if_group. Logic streamlined a bit.
6490 (conditional_skip, do_elif, do_else): Call skip_if_group with
6493 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
6495 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
6498 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
6500 * extend.texi (Bound member functions): Document.
6502 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6504 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
6505 lang_to_string, type_to_string): Make return type const char*.
6506 (print_symbol): Apply `const' keyword to a char*.
6507 (print_file_desc): Cast structure member `crfd' to ulong when
6508 comparing against one.
6510 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
6511 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
6512 (progname, input_name): Apply `const' keyword to a char*.
6513 Don't redundantly include sys/stat.h.
6514 (alloc_info): Apply `const' keyword to a char*.
6515 (st_to_string, sc_to_string): Likewise.
6516 (hash_string): Cast variable `hash_string' to a symint_t when
6517 comparing against one.
6518 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
6519 Likewise cast it to long when comparing against one.
6520 (add_local_symbol): Apply `const' keyword to a char*.
6521 (add_ext_symbol): Likewise.
6522 (add_unknown_tag): Likewise.
6523 (add_procedure): Cast a printf-style field width to an int.
6524 (add_file): Cast PAGE_USIZE to long when comparing against one.
6525 (parse_begin): Cast a printf-style field width to an int.
6526 (parse_bend): Likewise.
6527 (parse_def): Likewise.
6528 (parse_end): Likewise.
6529 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
6530 (parse_stabs_common): Fix format specifier.
6531 (parse_input): Change type of variable `i' to Size_t.
6532 (write_object): Fix arguments to match format specifiers.
6533 Cast variable `num_write' to long when comparing against one.
6534 (read_seek): Cast variable `sys_read' to symint_t when comparing
6535 against one. Fix arguments to match format specifiers. Cast
6536 variable `size' to long when comparing against one.
6537 (copy_object): Cast result of `sizeof' to int when comparing
6538 against one. Fix arguments to match format specifiers. Cast
6539 variable `ifd' to long when comparing against a signed value.
6542 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6544 * c-common.c (decl_attributes): Allow applying attribute `unused'
6547 * c-parse.in (label): Parse attributes after a label, and call
6548 `decl_attributes' to handle them.
6550 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
6552 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
6553 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
6555 * invoke.texi: Note that labels can be marked `unused'.
6557 Sun Jan 3 23:32:18 1999 Jeff Law (law@cygnus.com)
6559 * version.c: Bump for snapshot.
6561 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
6563 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
6564 RTL for a compare/jump sequence.
6566 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6568 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
6569 for a target with HAVE_cc0 defined.
6570 (emit_cmp_and_jump_insns): New function.
6571 * expr.h (emit_cmp_and_jump_insns): Prototype it.
6572 * loop.c (check_dbra_loop): Use it to replace calls
6573 to emit_cmp_insn and emit_jump_insn and to canonicalize
6574 the comparison if necessary.
6575 * unroll.c (unroll_loop): Likewise.
6577 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6579 * fixincludes (sys/utsname.h): Provide forward declaration of
6580 struct utsname on Ultrix V4.[35].
6582 * mips.md (div_trap): Use local labels instead of dot-relative
6585 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
6587 * pa.md (branch, negated branch): Handle (const_int 0) as first
6589 * pa.c (output_cbranch): Likewise.
6591 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@gnu.org>
6593 * rs6000.c (rs6000_stack_info): Undo spurious part of last
6596 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
6598 * extend.texi (__builtin_constant_p): Add missing @smallexample.
6600 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
6602 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
6604 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
6606 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
6607 (adddi_dishl32): Similarly.
6609 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
6610 for each insn in the skipped block.
6612 * reload1.c (reload_as_needed): Verify that the insn satisfies its
6613 constraints after replacing a register address with an autoincrement
6614 address for reload inheritance purposes.
6616 * i386.md (doubleword shifts): Avoid namespace pollution.
6618 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
6620 * configure.in (FreeBSD ELF): Needs special crt files.
6622 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
6624 * i386/xm-cygwin.h: Change DIR_SEPARATOR to forward slash.
6626 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6628 * loop.c (check_dbra_loop): While reversing the loop, if the
6629 comparison value has a VOID mode use the mode of the other operand
6630 to compute the mask.
6632 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
6634 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
6635 avoid warnings in compiling explow.c.
6637 (patch from Ken Raeburn, raeburn@cygnus.com)
6638 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
6639 fpmem_offset. Compute total size after that, and then
6640 rs6000_fpmem_offset using both values.
6642 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6644 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
6645 the future; indeed that already happens in some cases.
6647 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
6649 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
6650 (arith_operand): Remove constant_p_rtx handling.
6651 (const64_operand, const64_high_operand): Likewise.
6652 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
6653 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
6654 (small_int_or_double, uns_small_int, zero_operand): Likewise.
6655 * sparc.h (PREDICATE_CODES): Likewise.
6657 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
6659 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6661 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
6662 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
6663 consider constant CONSTRUCTOR constant and to defer some cases
6665 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
6666 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
6668 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
6670 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
6671 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
6673 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
6674 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
6675 (sext_add_operand, and_operand, or_operand): Likewise.
6676 (reg_or_cint_operand, some_operand, input_operand): Likewise.
6677 * alpha.h (PREDICATE_CODES): Likewise.
6679 Sat Dec 26 23:26:26 1998 Jeff Law (law@cygnus.com)
6681 * version.c: Bump for snapshot.
6683 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
6685 * gengenrtl.c (gencode): Always use bzero to clear memory instead
6686 of dangerous casts and stores.
6688 * Makefile.in (compare, gnucompare): Add missing else true clauses.
6690 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
6692 * alpha.md (builtin_longjmp): Add missing "DONE".
6694 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
6696 * gcc.c (execute): Enable -pipe with win32.
6698 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
6700 * config/arm/t-arm-elf: Add multiplib option for leading
6703 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
6704 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
6706 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
6707 than variable 'reload_address_base_reg_class'. [Note this
6708 change is unrelated to the others in this patch].
6710 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
6713 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6715 * alias.c (record_alias_subset): Remove ignored `&'.
6716 (init_alias_once): Likewise.
6718 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
6720 * config/mips/mips.c (mips_asm_file_end): Cast the result of
6721 fwrite to `int' when comparing against one.
6723 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
6724 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
6726 * cse.c (rehash_using_reg): Change type of variable `i' to
6729 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
6730 assigning it to one.
6732 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
6734 * final.c (final_scan_insn): Likewise for variable `i'.
6735 (output_asm_insn): Cast a char to unsigned char when used as an
6738 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
6739 assigning it to one.
6741 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
6743 * recog.c (preprocess_constraints): Cast a char to unsigned char
6744 when used as an array index.
6746 * regmove.c (find_matches): Likewise.
6748 * reload1.c (calculate_needs): Add default case in switch.
6749 (eliminate_regs_in_insn): Initialize variable `offset'.
6750 (set_offsets_for_label): Change type of variable `i' to unsigned.
6751 (reload_as_needed): Wrap variable `i' in macro check on
6752 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
6754 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
6755 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
6756 when comparing against one.
6758 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
6759 unsigned when comparing against one. Likewise for
6760 GET_MODE_ALIGNMENT().
6761 (layout_record): Cast record_align to int when comparing against a
6763 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
6766 * tree.c (get_identifier): Cast variable `len' to unsigned when
6767 comparing against one.
6768 (maybe_get_identifier): Likewise
6770 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
6772 * toplev.c (rest_of_compilation): Do not set reload_completed.
6773 * reload1.c (reload): Set reload_completed before calling
6774 cleanup_subreg_operands.
6776 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
6778 * reload1.c (emit_reload_insns): Check `set' not null before use.
6780 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
6782 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
6785 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
6787 * halfpic.c (half_pic_encode): Delete redundant code.
6789 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
6791 * toplev.c (main): Delete handling of -dM as a preprocessor
6794 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
6796 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
6797 -dI, which are handled by the preprocessor.
6799 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
6801 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
6802 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
6804 Sun Dec 20 07:39:52 1998 Jeff Law (law@cygnus.com)
6806 * version.c: Bump for snapshot.
6808 Sat Dec 19 22:24:22 1998 Jeff Law (law@cygnus.com)
6810 * version.c: Bump for snapshot.
6812 Sat Dec 19 21:41:32 1998 Jeff Law (law@cygnus.com)
6814 * version.c: Bump for snapshot.
6816 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6818 * genattr.c (fatal): Qualify a char* with the `const' keyword.
6820 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
6821 write_unit_name, write_eligible_delay, expand_units,
6822 make_length_attrs, write_attr_case, find_attr,
6823 make_internal_attr): Likewise.
6824 * gencheck.c (tree_codes): Likewise.
6825 * gencodes.c (fatal): Likewise.
6826 * genconfig.c (fatal): Likewise.
6827 * genemit.c (fatal): Likewise.
6828 * genextract.c (fatal, walk_rtx, copystr): Likewise.
6829 * genflags.c (fatal): Likewise.
6830 * genopinit.c (fatal, optabs, gen_insn): Likewise.
6831 * genoutput.c (fatal, error, predicates): Likewise.
6832 * genpeep.c (fatal): Likewise.
6833 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
6834 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
6836 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6838 * configure.in (with-fast-fixincludes): Fix whitespace.
6839 * configure: Rebuilt.
6841 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
6842 asm() etc. function declarations in __DECC.
6844 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
6846 * expr.c (emit_move_insn_1): Only emit a clobber if the target
6847 is a pseudo register.
6849 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
6851 * gcse.c: Include expr.h in order to get the prototype for
6852 get_condition() which is used in delete_null_pointer_checks().
6854 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6856 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
6858 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
6860 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
6861 (ALL_CFLAGS): Delete SCHED_CFLAGS.
6863 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
6865 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
6868 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
6870 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
6871 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
6872 optimizations from the combiner.
6874 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6876 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
6878 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
6880 * toplev.c (main): Disable optimize_size if a specific
6881 optimization level is requested. Always set optimization
6882 level to 2 if -Os is specified.
6884 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
6886 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
6888 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
6889 initialize it using fname.
6891 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
6893 * cpplib.c (do_include): Treat #include_next in the
6894 primary source file as #include plus warning. Treat
6895 #include_next in a file included by absolute path as an
6896 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
6898 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6900 * cccp.c: Don't define MIN/MAX anymore.
6901 * cpplib.c: Likewise.
6902 * machmode.h: Likewise.
6903 * system.h: Provide definitions for MIN/MAX.
6905 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6907 * fix-header.c: Don't define xstrdup here.
6909 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6911 * loop.c (consec_sets_giv): New argument last_consec_insn.
6912 (strength_reduce): Provide / use it.
6914 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6916 * loop.h (loop_info): New field 'vtop'.
6917 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
6918 scanning loop for vtop.
6919 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
6920 (loop_iterations): Use them to determine if loop has a constant
6921 number of iterations. Set loop_info->vtop. Don't subtract
6922 common reg term from initial_value and final_value if have a
6925 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
6927 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
6929 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
6931 * mn10200.md (abssf2, negsf2): New expanders.
6933 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
6935 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
6937 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
6938 replaced by a CONCAT whose components do not have the same
6939 mode as the original SUBREG, use a new SUBREG to restore the
6942 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
6943 multiword complex values.
6945 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
6947 * cppalloc.c: Add xstrdup here.
6948 * cpplib.h: Remove savestring prototype.
6949 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
6951 * cppfiles.c: s/savestring/xstrdup/ throughout.
6953 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
6955 * cpplib.c: Make all directive handlers read their own
6957 (struct directive): Remove last two arguments from FUNC
6958 member prototype. Remove `command_reads_line' member
6960 (directive_table): Remove initializations of
6961 command_reads_line flag. Pretty-print.
6962 (eval_if_expression, do_define, do_line, do_include,
6963 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
6964 do_else, do_elif, do_sccs, do_assert, do_unassert,
6965 do_warning): Take only two args.
6967 (cpp_define): Call do_define with two args and the text to
6968 define stuffed into a buffer.
6969 (make_assertion): Call do_assert with two args.
6970 (handle_directive): Call do_line with two args. Call
6971 kt->func with two args. Remove command_reads_line
6973 (do_define, do_undef, do_error, do_warning, do_pragma,
6974 do_sccs): Read the rest of the line here.
6975 (do_ident): Gobble rest of line, as cccp does.
6976 (cpp_undef): New function.
6977 (cpp_start_read): Call cpp_undef instead of do_undef.
6979 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
6981 * cpphash.h (union hash_value): Remove `keydef' member, add a
6982 `struct hashnode *aschain' member for #assert.
6984 * cpplib.c (struct tokenlist_list, struct
6985 assertion_hashnode): Delete structure definitions.
6986 (assertion_install, assertion_lookup, delete_assertion,
6987 check_assertion, compare_token_lists, reverse_token_list,
6988 read_token_list, free_token_list): Delete functions.
6989 (parse_assertion): New function.
6990 (cpp_cleanup): Don't destroy the assertion_hashtable.
6992 (do_assert): Gut and rewrite. #assert foo (bar) places
6993 entries for `#foo' and `#foo(bar)' in the macro hash table,
6994 type T_ASSERT. The value union's `aschain' member is used
6995 to chain all answers for a given predicate together.
6996 (do_unassert): Also rewritten. Take an un-asserted
6997 answer off the chain from its predicate and call
6998 delete_macro on the hashnode, or walk a predicate chain
6999 calling delete_macro on all the entries.
7000 (cpp_read_check_assertion): Simply call parse_assertion to
7001 get the canonical assertion name, and look that up in the
7004 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
7007 * cpphash.c (install): Use bcopy instead of an explicit loop
7008 to copy the macro name.
7010 * cppexp.c (cpp_lex): Convert the result of
7011 cpp_read_check_assertion to a `struct operation' directly;
7012 don't go through parse_number.
7014 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7016 * loop.h (struct induction): Delete times_used member.
7017 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
7018 (n_times_used): Rename to n_times_set. Changed all users.
7019 (scan_loop): Free reg_single_usage before strength reduction.
7020 (record_giv, combine_givs): Remove handling of times_used member.
7021 (combine_givs_used_once): Rename to:
7022 (combine_givs_used_by_other) . Changed all callers.
7024 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
7026 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
7027 instead of TREE_CODE_CLASS == 't'.
7028 (gen_type_die): Likewise.
7029 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
7031 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
7033 * real.c (endian): Disable last change unless
7034 HOST_BITS_PER_WIDE_INT is greater than 32.
7036 Mon Dec 14 17:13:36 1998 Andrew MacLeod <amacleod@cygnus.com>
7038 * output.h (force_data_section): New prototype.
7039 * varasm.c (force_data_section): New function to force the
7040 data section, regardless of what in_section thinks.
7041 * dwarf2out.c (output_call_frame_info): Call force_data_section
7042 since varasm may not realize we've changes sections.
7044 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
7046 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
7047 after completing reload.
7049 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
7050 deleted after reload.
7052 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
7054 * rtl.h (multiple_sets): Fix prototype.
7055 * rtlanal.c (multiple_sets): Fix return type.
7057 Sun Dec 13 12:43:58 1998 Jeff Law (law@cygnus.com)
7059 * version.c: Bump for snapshot.
7061 Sun Dec 13 01:05:22 1998 Jeff Law (law@cygnus.com)
7063 * version.c: Bump for snapshot.
7065 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
7067 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
7069 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7071 * rtl.h (recompute_reg_usage): Add second argument.
7072 * flow.c (recompute_reg_usage): Likewise.
7073 * toplev.c (rest_of_compilation): Supply second argument to
7074 recompute_reg_usage.
7076 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
7079 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
7081 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
7082 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
7083 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
7086 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
7088 * rtlanal.c (multiple_sets): New function.
7089 * rtl.h (multiple_sets): Declare it.
7090 * local-alloc.c (wipe_dead_reg): Use it.
7091 * global.c (global_conflicts): Likewise.
7093 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
7095 * global.c (record_conflicts): Don't use an array of shorts to
7096 store an array of ints.
7097 (global_conflicts): Likewise.
7099 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
7101 * alpha.c (alpha_expand_block_move): mode_for_size expects
7102 bits, not bytes. Infer extra alignment from addressof.
7104 1998-12-11 Michael Meissner <meissner@cygnus.com>
7106 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
7107 .sbss section, not .sdata.
7109 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
7111 * cccp.c: Do not #include <sys/stat.h> here; this is already done
7113 * collect2.c: Likewise.
7114 * cpplib.h: Likewise.
7117 * getpwd.c: Likewise.
7118 * protoize.c: Likewise.
7119 * toplev.c: Likewise.
7121 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
7122 and don't try to define it here.
7123 * Makefile.in (cppmain.o): Depend on machmode.h.
7124 (cpplib.o): Likewise.
7125 (cpperror.o): Likewise.
7126 (cppexp.o): Likewise.
7127 (cppfiles.o): Likewise.
7128 (cpphash.o): Likewise.
7129 (cppalloc.o): Likewise.
7130 (fix-header.o): Likewise.
7131 (scan-decls.o): Likewise.
7133 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
7135 * sh.c (print_operand): Lookup interrupt_handler attribute instead
7136 of relying on static variable.
7137 * (calc_live_regs): Likewise.
7138 * (sh_pragma_insert_attributes): Create interrupt_handler
7139 attribute if a pragma was specified.
7140 * (sh_valid_machine_decl_attribute): Don't set static flag.
7141 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
7143 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7145 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
7146 to determine if a register is live at a jump destination.
7147 Everything is dead at a BARRIER.
7149 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
7151 * cse.c (simplify_unary_operation): Sign-extend constants when
7152 they have the most significant bit set for the target.
7153 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
7155 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
7156 HOST_WIDE_INT temporary before negating it.
7157 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
7159 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
7161 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
7164 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7166 * collect2.h: New header file for prototypes.
7168 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
7170 * collect2.c: Include collect2.h.
7171 * tlink.c: Likewise.
7173 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
7175 * flow.c: Update some comments.
7177 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
7179 * objc/objc-act.c (cpp_initialized): Removed.
7180 (lang_init_options): Initialize cpplib.
7181 (lang_decode_option): Move initialization of cpplib to
7183 * c-lang.c (parse_options,parse_in): Added.
7184 (lang_init_options): Initialized cpplib here.
7185 * c-decl.c (parse_options,cpp_initialized): Removed.
7186 (c_decode_option): Move initialization of cpplib to
7189 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7191 * reload1.c (reload_combine, reload_combine_note_store):
7192 Make STORE_RUID always valid.
7193 (reload_combine): Check if BASE is clobbered too early.
7195 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
7197 * reload.c (find_reloads): Display the insn that cannot be
7200 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
7202 * cccp.c (create_definition): Fix end of buffer logic.
7204 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7206 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
7207 pointer parameters changed to use the PARAMS() macro.
7209 Wed Dec 9 09:12:40 1998 Andrew MacLeod <amacleod@cygnus.com>
7211 * except.h (struct handler_info): Add handler_number field.
7212 * except.c (gen_exception_label): EH labels no longer need to be
7213 on the permanent obstack.
7214 (get_new_handler): Set the label number field.
7215 (output_exception_table_entry): Regenerate handler label reference
7216 from the label number field.
7217 (init_eh): Remove a blank line.
7218 * integrate.c (get_label_from_map): Labels no longer need to be
7219 on the permanent obstack.
7221 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
7223 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
7224 only when OUTER_CODE is SET.
7226 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7228 * loop.c (strength_reduce): If scan_start points to the loop exit
7229 test, be wary of subversive use of gotos inside expression statements.
7230 Don't set maybe_multiple for a backward jump that does not
7231 include the label under consideration into its range.
7232 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
7234 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7236 * explow.c (plus_constant_wide): Don't immediately return with
7237 result of recursive call.
7239 Tue Dec 8 15:32:56 1998 Andrew MacLeod <amacleod@cygnus.com>
7241 * eh-common.h (struct eh_context): Add table_index for rethrows.
7243 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
7244 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
7245 processed when inlined or unrolled (ie duplicated in some way).
7247 * rtl.c (reg_note_name): Add strings for new reg_note enums.
7249 * expr.h (rethrow_libfunc): New library decl.
7251 * optabs.c (rethrow_libfunc): Initialize.
7253 * except.h (struct eh_entry): Add new field 'rethrow_label'.
7254 (new_eh_region_entry): No longer exported from except.c.
7255 (duplicate_handlers): Renamed to duplicate_eh_handlers and
7256 different prototype.
7257 (rethrow_symbol_map, rethrow_used): New exported functions.
7258 (eh_region_from_symbol): New exported function.
7260 * except.c (create_rethrow_ref): New function to create a single
7261 SYMBOL_REF for a rethrow region.
7262 (push_eh_entry): Initialize a rethrow ref.
7263 (func_eh_entry): Add a rethrow_label field.
7264 (new_eh_region_entry): Make static, and initialize the rethrow entry.
7265 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
7266 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
7267 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
7268 a region into an appropriate new symbol.
7269 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
7270 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
7271 (end_catch_handler): Emit a barrier for new-exceptions since
7272 control can never drop through the end of a catch block.
7273 (expand_end_all_catch): new-exceptions never fall through a catch
7275 (expand_rethrow): Use __rethrow routine for new exceptions.
7276 (output_exception_table_entry): Generate rethrow labels, if needed.
7277 (output_exception_table): Generate start and end rethrow labels.
7278 (init_eh): Create rethrow symbols for beginning and end of table.
7279 (scan_region): Don't eliminate EH regions which are the targets of
7282 * flow.c (make_edges): Add different edges for rethrow calls,
7283 identified by having the REG_EH_RETHROW reg label.
7284 (delete_unreachable_blocks): Don't delete regions markers which are
7285 the target of a rethrow.
7287 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
7288 allow save_for_inline_copying to call duplicate_eh_handlers.
7289 (save_for_inline_copying): Call duplicate_eh_handlers instead of
7290 exposing internal details of exception regions.
7291 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
7292 (expand_inline_function_eh_labelmap): New callback routine to
7293 allow expand_inline_function to call duplicate_eh_handlers.
7294 (expand_inline_function): Call duplicate_eh_handlers instead of
7295 exposing internal details of exception regions.
7296 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
7299 * libgcc2.c (find_exception_handler): Generalize to enable it to
7300 pick up processing where it left off last time for a rethrow.
7301 (__unwinding_cleanup): New function. debug hook which is called before
7302 unwinding when __throw finds there is nothing but cleanups left.
7303 (throw_helper): Common parts of __throw extracted out for reuse.
7304 (__throw): Common parts moved to throw_helper.
7305 (__rethrow): New function for performing rethrows.
7307 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
7309 * reload1.c (current_function_decl): Tweak declaration.
7311 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
7313 * c-decl.c (flag_isoc9x): Default off.
7314 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
7315 * cccp.c (print_help, main): Likewise.
7316 * gcc.c (default_compilers): Update for -std=gnu*.
7318 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
7320 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
7321 * demangle.h: Deleted.
7323 * reload1.c (current_function_decl): Declare.
7325 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7327 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
7329 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7331 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
7333 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
7335 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
7337 * configure: Rebuilt.
7338 * system.h: If the *_unlocked functions are available use them
7339 instead of the locked counterparts by defining macros.
7340 * config.in: Regenerated.
7342 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
7344 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
7345 wrong and should only be used for dump related things, not
7346 debugging information, instead main_input_filename should be used.
7347 Also, reuse output_file_directive if possible.
7348 * i386/aix386ng.h (ASM_FILE_START): Likewise.
7349 * i386/isc.h (ASM_FILE_START): Likewise.
7350 * i386/win-nt.h (ASM_FILE_START): Likewise.
7351 * i386/sun386.h (ASM_FILE_START): Likewise.
7353 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
7355 * configure.in (mips*-*-linux*): Handle big and little endian
7357 * configure: Rebuilt.
7359 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
7361 * emit-rtl.c: Fix typo.
7363 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
7365 * reload1.c (eliminate_regs): Don't do anything, if we're not
7368 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
7370 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
7372 * mips/mips.c (mips_select_section): Add comment.
7374 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
7376 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
7377 characters in file names in #line to be consistent with #include
7378 handling. We support escape processing in the # 1 "..." version of
7379 the command. See also support in cp/lex.c.
7380 (handle_directive): Likewise.
7381 (do_line): Likewise.
7383 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
7385 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
7386 so it'll work on non-ASCII platforms. Always consider $ an
7387 identifier character. Take no arguments.
7388 (cpp_reader_init): Call initialize_char_syntax with no
7390 (cpp_start_read): Don't call initialize_char_syntax again.
7391 Clear is_idchar['$'] and is_idstart['$'] if not
7392 opts->dollars_in_ident.
7394 * cpplib.h (struct cpp_reader): Replace void *data element by
7395 cpp_options *opts. Rearrange elements to make gdb printout
7396 less annoying (put buffer stack at end).
7397 (CPP_OPTIONS): Get rid of now-unnecessary cast.
7399 * cppmain.c: s/data/opts/ when initializing cpp_reader
7401 * c-decl.c: Likewise.
7402 * objc/objc-act.c: Likewise.
7403 * fix-header.c: Likewise.
7405 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
7407 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
7408 with a struct file_name_list pointer.
7409 (struct cpp_reader): Add pointer to chain of `actual
7410 directory' include searchpath entries.
7411 (struct file_name_list): Add *alloc pointer for the sake of
7412 the actual-directory chain.
7414 Move definition of HOST_WIDE_INT here.
7415 (cpp_parse_escape): Change prototype to match changes in
7418 * cppfiles.c (actual_directory): New function.
7419 (finclude): Use it to initialize the buffer's actual_dir
7421 (find_include_file): We don't need to fix up max_include_len
7424 * cpplib.c (do_include): Don't allocate a file_name_list on
7425 the fly for current directory "" includes, use the one that's
7426 been preallocated in pfile->buffer->actual_dir. Hoist out
7427 duplicate code from the search_start selection logic.
7428 (cpp_reader_init): Initialize pfile->actual_dirs.
7430 Remove definition of HOST_WIDE_INT. Change calls
7431 to cpp_parse_escape to match changes in cppexp.c (note
7432 hardcoded MASK, which is safe since this is the source
7435 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
7436 to handle wide character constants in #if directives. The
7437 function now returns a HOST_WIDE_INT, and takes a third
7438 argument which is a binary mask for all legal values (0x00ff
7439 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
7440 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
7441 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
7443 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
7445 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
7447 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7449 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
7450 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
7451 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
7453 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
7455 * final.c (output_asm_name): Use tabs to separate comments from
7458 Include instruction lengths (if defined) in output.
7460 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7462 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
7463 in the loop_info structure.
7465 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
7467 * configure.in (arm*-*-ecos-elf): New target.
7468 * configure: Regenerated.
7469 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
7470 * config/arm/ecos-elf.h: New file.
7471 * config/arm/unknown-elf.h (TARGET_VERSION): Check
7474 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7476 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
7478 Sun Dec 6 04:19:45 1998 Jeff Law (law@cygnus.com)
7480 * version.c: Bump for snapshot.
7482 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7484 * loop.c (check_dbra_loop): New argument loop_info. Update fields
7487 Sun Dec 6 03:40:13 1998 Jeff Law (law@cygnus.com)
7489 * version.c: Bump for snapshot.
7491 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7493 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
7494 compressed reports are ok and preferred over URLs
7496 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7498 * invoke.texi (Warning Options): Soften the tone of -pedantic
7500 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
7502 * print-rtl.c (print_rtx): Add prototype.
7504 * unroll.c (iteration_info): Make it static.
7506 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
7508 * alias.c (memrefs_conflict_p): A second ANDed address
7509 disables the aligned address optimization.
7511 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
7513 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
7516 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
7518 * i960.h (BOOL_TYPE_SIZE): Define.
7520 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7522 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
7523 from old valid_parallel_operands_4.
7524 (valid_parallel_operands_4): Check that operands for 4 operand
7525 parallel insns are valid, excluding load/store insns.
7526 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
7527 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
7528 valid_parallel_load_store instead of valid_parallel_operands_4.
7529 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
7530 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
7531 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
7532 *notqi_movqi_clobber): Use valid_parallel_operands_4.
7533 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
7534 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
7535 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
7537 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7539 * config/c4x/c4x.c (iteration_info): Delete extern.
7541 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7543 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
7545 * final.c (cleanup_subreg_operands): Delete some unused code.
7547 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
7548 (struct insn_alternative): New structure definition.
7549 (recog_op_alt): Declare variable.
7550 (preprocess_constraints): Declare function.
7551 * recog.c (recog_op_alt): New variable.
7552 (extract_insn): Verify number of alternatives is in range.
7553 (preprocess_constraints): New function.
7554 * reg-stack.c: Include recog.h.
7555 (constrain_asm_operands): Delete.
7556 (get_asm_operand_lengths): Delete.
7557 (get_asm_operand_n_inputs): New function.
7558 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
7559 N_OUTPUTS args. All callers changed.
7560 Compute number of inputs and outputs here by calling
7561 get_asm_operand_n_inputs.
7562 Instead of constrain_asm_operands, call extract_insn,
7563 constrain_operands and preprocess_constraints. Use information
7564 computed by these functions throughout.
7565 (record_reg_life): Delete code that is unused due to changes in
7566 record_asm_reg_life.
7567 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
7568 N_INPUTS and N_OUTPUTS args. All callers changed.
7569 Similar changes as in record_asm_reg_life.
7570 (subst_stack_regs): Move n_operands declaration into the if statement
7572 Delete code that is unused due to changes in subst_asm_stack_regs.
7573 * stmt.c (expand_asm_operands): Verify number of alternatives is in
7575 * Makefile.in (reg-stack.o): Depend on recog.h.
7577 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
7579 * except.c (set_exception_version_code): Argument is an "int".
7581 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
7583 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
7584 * configure: Rebuilt.
7586 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
7588 * configure.in (mipsel-*-linux*): New target.
7589 * mips/linux.h: New file, based on other Linux targets.
7591 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
7593 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
7594 runs in the context of the deleter, not the deletee, so we must
7595 use taskVarGet to find the correct memory to free.
7596 (__gthread_key_create): Initialize the task
7597 variable subsystem so that the task variable is still active when
7598 the delete hook is run.
7600 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
7602 * pdp11.h: Use optimize_size for space optimizations.
7603 * pdp11.c: Likewise.
7604 * pdp11.md: Likewise.
7606 * pdp11.h (TARGET_40_PLUS): Fix typo.
7608 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
7610 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
7613 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7615 * alias.c (addr_side_effect_eval): New function.
7616 (memrefs_conflict_p): Use it.
7617 * rtl.h (addr_side_effect_eval): Prototype it.
7619 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
7621 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
7623 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
7625 * reload.c (find_reloads): When force const to memory, put result
7626 in substed_operand not *recog_operand_loc.
7628 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
7630 * c-lex.c: Fix indentation from last patch.
7631 Remove trailing whitespace.
7634 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
7636 * flow.c (delete_block): Call set_last_insn after we have reset
7637 NEXT_INSN (kept_tail).
7639 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
7641 * mips.md (trap_if): Use "$0" for the value zero.
7643 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
7644 Stephen L Moshier <moshier@world.std.com>
7645 Richard Henderson <rth@cygnus.com>
7647 * c-common.c (declare_function_name): Declare predefined variable
7650 * c-decl.c (flag_isoc9x): Set to 1 by default.
7651 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
7652 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
7654 * c-parse.in: Allow constructors in ISO C 9x.
7655 Rewrite designator list handling.
7656 Allow [*] parameters.
7657 Don't warn about comma at end of enum definition for ISO C 9x.
7659 * cccp.c (c9x): New variable.
7660 (rest_extension): New variable.
7661 (print_help): Document new -std= option.
7662 (main): Recognize -std= option. Set c9x appropriately.
7663 (create_definition): Recognize ISO C 9x vararg macros.
7665 * gcc.c (default_compilers): Adjust specs for -std options.
7666 (option_map): Add --std.
7667 (display_help): Document -std.
7669 * toplev.c (documented_lang_options): Add -std and remove
7672 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
7673 or REAL_VALUE_HTOF based on base of the constants.
7674 * fold-const.c (real_hex_to_f): New function. Replacement function
7675 for hex FP conversion if REAL_ARITHMETIC is not defined.
7676 * real.c (asctoeg): Add handling of hex FP constants.
7677 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
7680 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
7682 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
7683 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
7684 expansion. Use hi/lo as destination register.
7686 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
7687 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
7688 Avoid as macro expansion. Use hi/lo as destination register.
7690 * mips.h (MASK_CHECK_RANGE_DIV): New.
7691 (MASK_NO_CHECK_ZERO_DIV): New.
7692 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
7693 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
7694 return address for leaf functions out of r31 to support
7695 builtin_return_address.
7697 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7699 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
7700 NEXT_INSN(x) to check insn x.
7702 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
7704 * flow.c (delete_block): Call set_last_insn if we end up deleting the
7705 last insn in the rtl chain.
7707 * reload1.c (reload): Do not set reload_completed or split insns
7709 * toplev.c (rest_of_compilation): Set reload_completed after
7710 reload returns. Split insns after reload_cse has run.
7712 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
7714 * final.c (final_scan_insn): Abort if block_depth falls below 0.
7716 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
7718 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
7720 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
7722 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
7723 use of user-label_prefix.
7725 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7727 * reload1.c (emit_reload_insns): Clear spill_reg_store
7728 when doing a new non-inherited reload from the same pseudo.
7730 * local-alloc.c (function_invariant_p): New function.
7731 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
7732 to decide if an equivalence should be recorded.
7733 * reload1.c (num_eliminable_invariants): New static variable.
7734 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
7735 to decide if an equivalence should be recorded.
7737 (calculate_needs_all_insns): Skip insns that only set an equivalence.
7738 Take num_eliminable_invariants into account when deciding
7739 if register elimination should be done.
7740 (reload_as_needed): Take num_eliminable_invariants into account
7741 when deciding if register elimination should be done.
7742 (eliminate_regs): Handle non-constant reg_equiv_constant.
7743 * rtl.h (function_invariant_p): Declare.
7745 Mon Nov 30 02:00:08 1998 Jeff Law (law@cygnus.com)
7747 * version.c: Bump for snapshot.
7749 Mon Nov 30 00:42:59 1998 Jeff Law (law@cygnus.com)
7751 * version.c: Bump for snapshot.
7753 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
7755 * except.c (add_new_handler): Complain about additional handlers
7756 after one that catches everything.
7758 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
7760 * configure.in (alpha*-*-netbsd): Fix typo.
7761 * configure: Rebuilt.
7763 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7765 * system.h: Include libiberty.h.
7767 * c-aux-info.c: Remove prototypes for concat/concat3. Change
7768 function `concat' from fixed parameters to variable parameters,
7769 as is done in libiberty. All callers of concat/concat3
7770 changed to use the new `concat' with variable args.
7772 * cccp.c: Remove things made redundant by libiberty.h and/or
7773 conform to libiberty standards.
7775 * collect2.c: Likewise.
7776 * config/1750a/1750a.h: Likewise.
7777 * cppalloc.c: Likewise.
7778 * cppexp.c: Likewise.
7779 * cppfiles.c: Likewise.
7780 * cpphash.c: Likewise.
7781 * cpplib.c: Likewise.
7782 * dyn-string.c: Likewise.
7783 * fix-header.c: Likewise.
7786 * genattr.c: Likewise.
7787 * genattrtab.c: Likewise.
7788 * gencheck.c: Likewise.
7789 * gencodes.c: Likewise.
7790 * genconfig.c: Likewise.
7791 * genemit.c: Likewise.
7792 * genextract.c: Likewise.
7793 * genflags.c: Likewise.
7794 * gengenrtl.c: Likewise.
7795 * genopinit.c: Likewise.
7796 * genoutput.c: Likewise.
7797 * genpeep.c: Likewise.
7798 * genrecog.c: Likewise.
7799 * getpwd.c: Likewise.
7800 * halfpic.c: Likewise.
7802 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
7803 in NEED_DECLARATION_* macros.
7805 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
7806 conform to libiberty standards.
7807 (fatal): Fix const-ification of variable `format' in
7808 !ANSI_PROTOTYPES case.
7810 * prefix.c: Remove things made redundant by libiberty.h and/or
7811 conform to libiberty standards.
7813 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
7814 conflicting with function `spaces' from libiberty.
7816 * profile.c: Remove things made redundant by libiberty.h and/or
7817 conform to libiberty standards.
7818 * protoize.c: Likewise.
7821 * tlink.c: Likewise.
7822 * toplev.c: Likewise.
7823 * toplev.h: Likewise.
7826 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7828 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
7830 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7832 * README.C4X: Updated URLs.
7833 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
7834 (valid_parallel_operands_5): Remove unused variable.
7836 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7838 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
7840 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
7842 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
7843 which can be configured.
7844 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
7845 (Makefile): Pass actual LANGUAGES through the environment when
7847 (cstamp-h): Likewise.
7848 (config.status): Likewise.
7850 * configure.in (enable_languages): Add new configuration parameter
7851 "--enable-languages=lang1,lang2,...".
7852 (${srcdir}/*/config-lang.in): Change handling to configure only
7853 those directories, that the user might have enabled; default to
7854 "all" existing languages.
7855 * configure: Regenerate.
7857 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
7859 * rtlanal.c (regs_set_between_p): New function.
7860 * rtl.h (regs_set_between_p): Prototype it.
7861 * jump.c (jump_optimize): Use it instead of modified_between_p
7862 in the Sep 2 change.
7864 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
7865 Matthias Pfaller <leo@dachau.marco.de>
7867 * invoke.texi (Option Summary, NS32K Options): Add description
7868 of NS32K specific options.
7870 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
7871 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
7872 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
7873 negdf2, absdf2): Use l instead of f since the double class and
7874 float class are no longer the same.
7875 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
7876 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
7877 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
7878 Use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
7880 (cmpsi, cmphi, cmpqi): Use general_operand instead of
7881 non_immediate_operand. Removes erroneous assumption that can't
7883 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
7884 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
7886 (movstrsi, movstrsi1, movstrsi2): Completely new block move
7888 (...): Patterns to exploit multiply-add instructions.
7889 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
7890 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): New
7891 patterns to exploit extended divide insns.
7892 (udivsi3, udivhi3, udivqi3): Remove since superseded by udivmodsi
7895 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
7896 float return values as well as simple scalar floats.
7897 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
7898 Support new flag to denote 32381 fpu.
7899 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
7900 (CONDITIONAL_REGISTER_USAGE): Disable extra 32381 registers if not
7901 compiling for 32381.
7902 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
7903 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
7904 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
7905 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
7906 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
7907 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
7908 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
7909 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
7910 REG_OK_FOR_BASE_P, MEM_REG): New register scheme to include 32381
7911 fpu registers and special register classes for new 32381
7912 instructions dotf and polyf.
7913 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
7915 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
7916 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
7918 (SMALL_REGISTER_CLASSES): Make dependent on -mmult-add option.
7919 (MOVE_RATIO): Set to zero because of smart movstrsi implementation.
7920 (REGISTER_MOVE_COST): Move code to register_move_cost function for
7921 ease of coding and debugging.
7922 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
7923 LONG_FLOAT_REGO is likely spilled but not caught by default
7925 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): Use macro
7926 instead of hard coded numbers in range check.
7927 (ASM_OUTPUT_LABELREF_AS_INT): Delete since unused.
7928 (...): Add prototypes for functions in ns32k.c but disable because
7929 of problems when ns32k.h is included in machine independent files.
7931 * ns32k.c: Include "system.h", "tree.h", "expr.h", "flags.h".
7932 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
7933 hard_regno_mode_ok, secondary_reload_class,
7934 print_operand, print_operand_address): New register scheme to
7935 include 32381 fpu registers and special register classes for new
7936 32381 instructions dotf and polyf.
7937 (gen_indexed_expr): Make static to keep namespace clean.
7938 (check_reg): Remove since never called.
7939 (move_tail, expand_block_move): Helper functions for "movstrsi"
7941 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
7942 Increase cost of moves which go via memory.
7943 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
7944 (CPP_PREDEFINES): No longer predefine "unix".
7946 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
7947 Remove erroneous %$. print_operand() can work out from the rtx is
7948 an immediate prefix is required.
7950 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
7951 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
7952 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
7954 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
7957 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
7958 Correct handling of pic operands.
7959 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
7960 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
7961 -mrtd calling convention.
7963 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
7965 * gcc.c (option_map): Recognize --output-class-directory.
7967 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7969 * loop.h (precondition_loop_p): Added new mode argument.
7970 * unroll.c (precondition_loop_p): Likewise.
7971 (approx_final_value): Function deleted and subsumed
7972 into loop_iterations.
7973 (loop_find_equiv_value): New function.
7974 (loop_iterations): Use loop_find_equiv_value to find increments
7975 too large to be immediate constants. Also use it to find terms
7976 common to initial and final iteration values that can be removed.
7978 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7980 * loop.h (struct loop_info): Define new structure.
7981 (precondition_loop_p): Added prototype.
7982 (unroll_loop): Added new argument loop_info to prototype.
7983 (final_biv_value, final_giv_value): Added new argument n_iterations
7985 * loop.c (strength_reduce): Declare new structure loop_iteration_info
7986 and new pointer loop_info.
7987 (loop_n_iterations): Replace global variable by element in
7988 loop_info structure.
7989 (check_final_value): New argument n_iterations.
7990 (insert_bct): New argument loop_info.
7991 (loop_unroll_factor): Replace global array by element in
7992 loop_info structure.
7993 (loop_optimize): Remove code to allocate and initialize
7994 loop_unroll_factor_array.
7995 * unroll.c (precondition_loop_p): No longer static since
7996 used by branch on count optimization.
7997 (precondition_loop_p, unroll_loop): New argument loop_info.
7998 (final_biv_value, final_giv_value, find_splittable_regs): New
7999 argument n_iterations.
8000 (loop_iteration_var, loop_initial_value, loop_increment,
8001 loop_final_value, loop_comparison_code, loop_unroll_factor):
8002 Replaced global variables by loop_info structure.
8003 (loop_unroll_factor): Replace global array by element in
8004 loop_info structure.
8006 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8008 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
8011 * unroll.c (precondition_loop_p): Return loop_initial_value
8012 for initial_value instead of loop_iteration_var.
8014 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8016 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
8017 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
8018 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
8019 to output the instruction sequences.
8021 (rptb_top): Provide alternatives to use any register or memory
8023 (rptb_end): Emit use of operands rather than assigning them
8024 explicitly to the RS and RE registers.
8026 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8028 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
8029 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
8030 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
8031 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
8032 c4x_merge_notes, c4x_parallel_process,
8033 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
8034 c4x_combine_parallel): Delete.
8036 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8038 * config/c4x/c4x.c (c4x_override_options): For compatibility
8039 with old target options clear flag_branch_on_count_reg if
8040 -mno-rptb specified and set flag_argument_alias is -mno-aliases
8042 (c4x_output_cbranch): Handle a sequence of insns rather than a
8044 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
8045 has not been allocated as the loop counter.
8046 (c4x_address_conflict): Do not allow two volatile memory references.
8047 (valid_parallel_operands_4, valid_parallel_operands_5,
8048 valid_parallel_operands_6): Reject pattern if the register destination
8049 of the first set is used as part of an address in the second set.
8051 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8053 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
8054 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
8055 is no longer enabled if PARALLEL_MPY_FLAG set.
8056 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
8057 (REG_CLASS_CONTENTS): Add braces around initializers.
8058 (HAVE_MULTIPLE_PACK): Define.
8059 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
8060 REAL_VALUE_TO_DECIMAL.
8061 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
8062 REAL_VALUE_TO_DECIMAL.
8063 (ar0_reg_operand): Add prototype.
8064 (ar0_mem_operand): Likewise.
8065 (ar1_reg_operand): Likewise.
8066 (ar1_mem_operand): Likewise.
8067 (ar2_reg_operand): Likewise.
8068 (ar2_mem_operand): Likewise.
8069 (ar3_reg_operand): Likewise.
8070 (ar3_mem_operand): Likewise.
8071 (ar4_reg_operand): Likewise.
8072 (ar4_mem_operand): Likewise.
8073 (ar5_reg_operand): Likewise.
8074 (ar5_mem_operand): Likewise.
8075 (ar6_reg_operand): Likewise.
8076 (ar6_mem_operand): Likewise.
8077 (ar7_reg_operand): Likewise.
8078 (ar7_mem_operand): Likewise.
8079 (ir0_reg_operand): Likewise.
8080 (ir0_mem_operand): Likewise.
8081 (ir1_reg_operand): Likewise.
8082 (ir1_mem_operand): Likewise.
8083 (group1_reg_operand): Likewise.
8084 (group1_mem_operand): Likewise.
8085 (ir1_reg_operand): Likewise.
8086 (arx_reg_operand): Likewise.
8087 (not_rc_reg): Likewise.
8088 (not_modify_reg): Likewise.
8089 (c4x_group1_reg_operand): Remove prototype.
8090 (c4x_group1_mem_operand): Likewise.
8091 (c4x_arx_reg_operand): Likewise.
8093 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
8095 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
8096 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
8098 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8100 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
8103 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8105 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
8106 unless FMOVD_WORKS is defined.
8108 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8110 * regclass.c (init_reg_sets): Move code that calculates tables
8111 dependent on reg_class_contents from here...
8112 (init_reg_sets_1): To here.
8114 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
8116 * cpplib.h: Delete struct import_file. Add ihash element to
8117 struct cpp_buffer. Delete dont_repeat_files and
8118 import_hash_table elements from cpp_reader; change
8119 all_include_files to a hash table. Delete all foobar_include
8120 / last_foobar_include elements from struct cpp_options; put
8121 back four such: quote_include, bracket_include,
8122 system_include, after_include. Redo struct file_name_list
8123 completely. Add new structure type include_hash. Add
8124 prototypes for merge_include_chains and include_hash. Change
8125 prototypes for finclude, find_include_file, and
8126 append_include_chain to match changes below.
8128 * cppfiles.c (simplify_pathname, include_hash,
8129 remap_filename, merge_include_chains): New functions.
8130 (add_import, lookup_import, open_include_file): Removed.
8131 (INO_T_EQ): Define this (copied from cccp.c).
8132 (hack_vms_include_specification): Remove all calls and #if 0
8133 out the definition. It was being called incorrectly and at
8134 the wrong times. Until a VMSie can look at this, it's better
8135 to not pretend to support it.
8136 (append_include_chain): Change calling convention; now takes
8137 only one directory at a time, and sets up the data structure
8139 (redundant_include_p): Rewritten - this is now used for all
8140 include redundancy, whether by #ifndef, #import, or #pragma
8141 once. Looks up things in the include hash table.
8142 (file_cleanup): Decrement pfile->system_include_depth here if
8144 (find_include_file): Calling convention changed; now passes
8145 around a struct include_hash instead of 3 separate parameters.
8146 Guts ripped out and replaced with new include_hash mechanism.
8147 (finclude): Calling convention changed as for
8148 find_include_file. Error exits pulled out-of-line. Reformat.
8149 (safe_read): Return a long, not an int.
8150 (deps_output): Don't recurse.
8152 * cpplib.c (is_system_include): Deleted.
8153 (path_include): Fix up call to append_include_chain.
8154 (do_include): Fix up calls to find_include_file and finclude.
8155 Clean up dependency output a bit. Shorten obnoxiously lengthy
8156 #import warning message. Don't decrement
8157 pfile->system_include_depth here.
8158 (do_pragma): Understand the include_hash structure. Reformat.
8159 (do_endif): Correct handling of control macros. Understand
8161 (cpp_start_read): Fix up calls to finclude. Call
8162 merge_include_chains.
8163 (cpp_handle_option): Fix up calls to append_include_chain.
8164 Understand the four partial include chains.
8165 (cpp_finish): Add debugging code (#if 0-ed out) for the
8167 (cpp_cleanup): Free the include_hash, not the import hash and
8168 the all_include and dont_repeat lists which no longer exist.
8170 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
8172 * toplev.c (no_new_pseudos): Define.
8173 (rest_of_compilation): Set no_new_pseudos as needed.
8174 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
8175 if no_new_pseudos is set.
8176 * rtl.h (no_new_pseudos): Declare it.
8177 * reload1.c (reload): Update comments.
8178 * md.texi: Corresponding changes.
8180 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8182 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
8183 (choose_reload_regs): Rename it here as well. When computing it,
8184 also merge in used hardregs.
8186 1998-11-25 Zack Weinberg <zack@rabi.phys.columbia.edu>
8188 * gcc.c: Split out Objective-C specs to...
8189 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
8192 * c-lex.c (init_parse): Always initialize the filename global.
8193 * objc/objc-act.c (lang_init): Always call check_newline at
8196 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
8198 * reload1.c (reload): Remove unused variable.
8199 (reload_reg_free_for_value_p): Add missing parameter definition.
8201 * jump.c (jump_optimize): Remove unused variable.
8203 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
8205 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
8207 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
8209 * expr.c (move_by_pieces): Similarly.
8210 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
8211 * flow.c (find_auto_inc): Similarly.
8212 (try_pre_increment): Similarly.
8213 * loop.c (strength_reduce): Similarly.
8214 * regclass.c (auto_inc_dec_reg_p): Similarly.
8215 * regmove.c (try_auto_increment): Similarly.
8216 (fixup_match_1): Similarly.
8217 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
8218 (HAVE_PRE_DECREMENT): Similarly.
8219 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
8220 * Corresponding changes to all target header files.
8221 * tm.texi: Update docs for autoinc addressing modes.
8223 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
8225 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
8226 * configure: Rebuild.
8227 * config/elfos.h: New file.
8228 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
8229 config/m68k/t-m68kelf: New file.
8231 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
8233 * Makefile.in (HOST_AR): Define.
8234 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
8235 (libcpp.a): Use the host tools explicitly.
8236 (STAGESTUFF): Add libcpp.a.
8238 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
8240 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
8241 to source and destination registers.
8243 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
8245 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
8246 The strategy we now use is to pre allocate the top_elt along
8247 with the EH context so that each thread has its own top_elt.
8248 This is necessary as the dynamic cleanup chain is used on the
8249 top element of the stack and each thread MUST have its own.
8250 (eh_context_static): Likewise.
8251 (new_eh_context): Likewise.
8252 (__sjthrow): Likewise.
8254 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
8256 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
8257 * i386.md (prologue_get_pc): Remove unused variable.
8259 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
8261 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
8263 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
8265 * Makefile.in (OBJS): Add graph.o.
8266 (graph.o): New dependency list.
8267 * flags.h: Declare dump_for_graph and define graph_dump_types type.
8268 * print-rtl.c (dump_for_graph): Define new variable.
8269 (print_rtx): Rewrite to allow use in graph dumping functions.
8270 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
8271 finish_graph_dump_file.
8272 Define graph_dump_format.
8273 (compile_file): If graph dumping is enabled also clear these files.
8274 Finish graph dump files.
8275 (rest_of_compilation): Also dump graph information if enabled.
8276 (main): Recognize -dv to enabled VCG based graph dumping.
8277 * graph.c: New file. Graph dumping functions.
8279 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
8281 * configure.in: Look for <sys/stat.h>.
8282 * system.h: Include it before substitute S_ISREG definitions.
8284 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
8286 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
8287 * config/mips/iris6.h: Same.
8288 * config/mips/mips.md: Same.
8289 * config/mips/mips.c: Same; also add "-mabi=o64" option.
8290 * config/mips/mips.h: Same; also define ABI_O64.
8292 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8294 * configure.in: Use AC_PREREQ(2.12.1).
8296 Mon Nov 23 10:16:38 1998 Melissa O'Neill <oneill@cs.sfu.ca>
8298 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
8299 * cpplib.c, gcc.c: Likewise.
8300 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
8302 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
8304 * local-alloc.c (local_alloc): Use malloc not alloca for
8305 reg_qty, reg_offset, ref_next_in_qty.
8307 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8309 * caller-save.c (insert_one_insn): Initialize the live_before and
8310 live_after register sets.
8314 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
8315 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
8316 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
8317 (fp_reg_names, assembler_dialect): New variables.
8318 (print_operand_address): Handle SUBREGs.
8319 (print_operand): Added 'o' case.
8320 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
8321 Name of FP registers depends on mode.
8322 (expand_block_move): Emit different code for SH4 hardware.
8323 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
8324 (from_compare): Likewise.
8325 (add_constant): New argument last_value. Changed all callers.
8326 (find_barrier): Don't try HImode load for FPUL_REG.
8327 (machine_dependent_reorg): Likewise.
8328 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
8329 (gen_far_branch): Emit a barrier after the new jump.
8330 (barrier_align): Don't trust instruction lengths before
8332 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
8333 Use auto-inc addressing for fp registers if doubles need to
8334 be loaded in two steps.
8335 Set sh_flag_remove_dead_before_cse.
8336 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
8337 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
8338 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
8339 Support for FIRST_XD_REG .. LAST_XD_REG.
8340 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
8341 (sh_expand_epilogue): Likewise.
8342 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
8343 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
8344 (arith_reg_operand): FPUL_REG is OK for SH4.
8345 (fp_arith_reg_operand, fp_extended_operand): New functions.
8346 (tertiary_reload_operand, fpscr_operand): Likewise.
8347 (commutative_float_operator, noncommutative_float_operator): Likewise.
8348 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
8349 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
8350 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
8351 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
8352 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
8353 (CONDITIONAL_REGISTER_USAGE): Likewise.
8354 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
8355 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
8356 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
8357 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
8358 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
8359 to -1 and sh_flag_remove_dead_before_cse to 1.
8360 (ASSEMBLER_DIALECT): Define to assembler_dialect.
8361 (assembler_dialect, fp_reg_names): Declare.
8362 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
8363 Hide names of registers that are not accessible.
8364 (CACHE_LOG): Take TARGET_CACHE32 into account.
8365 (LOOP_ALIGN): Take TARGET_HARWARD into account.
8366 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
8367 (FIRST_PSEUDO_REGISTER: Now 49.
8368 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
8369 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
8370 (HARD_REGNO_MODE_OK): Update.
8371 (enum reg_class): Add DF_REGS and FPSCR_REGS.
8372 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
8373 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
8374 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
8375 (NPARM_REGS): Eight floating point parameter registers on SH4.
8376 (BASE_RETURN_VALUE_REG): SH4 also passes double values
8377 in floating point registers.
8378 (GET_SH_ARG_CLASS): Likewise.
8379 Complex float types are also returned in float registers.
8380 (BASE_ARG_REG): Complex float types are also passes in float registers.
8381 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
8382 (LIBCALL_VALUE): Remove trailing semicolon.
8383 (ROUND_REG): Round when double precision value is passed in floating
8385 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
8386 passed on the stack.
8387 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
8388 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
8389 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
8390 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
8391 (MODE_DISP_OK_8): Not for SH4 DFmode.
8392 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
8393 Allow indexed addressing for PSImode after reload.
8394 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
8395 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
8396 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
8397 (DOUBLE_TYPE_SIZE): 64 for SH4.
8398 (RTX_COSTS): Add PLUS case.
8399 Increase cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
8400 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
8401 MAC_REGS, PR_REGS, DF_REGS.
8402 (REGISTER_NAMES): Use fp_reg_names.
8403 (enum processor_type): Add PROCESSOR_SH4.
8404 (sh_flag_remove_dead_before_cse): Declare.
8405 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
8406 (PREDICATE_CODES): Add binary_float_operator,
8407 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
8408 fpscr_operand, noncommutative_float_operator.
8409 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
8410 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
8411 * sh.md (attribute cpu): Add value sh4.
8412 (attrbutes fmovd, issues): Define.
8413 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
8414 (function units memory, int, mpy, fp): Make dependent on issue rate.
8415 (function units issue, single_issue, load_si, load): Define.
8416 (function units load_store, fdiv, gp_fpul): Define.
8417 (attribute hit_stack): Provide proper default.
8418 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
8419 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
8420 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
8421 (mulsi3_call): Now uses match_operand for function address.
8422 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
8424 (push, pop, push_e, pop_e): Now define_expands.
8425 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
8426 (movsi_ie): Added y/i alternative.
8427 (ic_invalidate_line_i, movdf_i4): New insns.
8428 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
8429 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
8430 (movdf): Add special code for SH4.
8431 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
8432 (call_valuei, calli, call_value): Likewise.
8433 (movsf): Emit no-op move.
8434 (mov_nop, movsi_y): New insns.
8435 (blt, sge): Generalize to handle DFmode.
8436 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
8437 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
8438 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
8439 (fpu_switch0, fpu_switch1, movpsi): New expanders.
8440 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
8441 (toggle_sz): New insn.
8442 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
8443 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
8444 (macsf3): Make use of fpscr visible. Disable for SH4.
8445 (floatsisf2): Make use of fpscr visible.
8446 (floatsisf2_i4): New insn.
8447 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
8448 (ieee_ccmpeqsf_t): Likewise.
8449 (fix_truncsfsi2): Emit different code for SH4.
8450 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
8451 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
8452 (negsf2, sqrtsf2, abssf2): Now expanders.
8453 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
8454 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
8455 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
8456 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
8457 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
8458 (fix_truncdfsi2_i4_2+1): New splitters.
8459 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
8460 (extendsfdf2, truncdfsf2): New expanders.
8461 (truncdfsf2_i4): New insn.
8462 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
8463 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
8464 * float-sh.h: When testing for __SH3E__, also test for
8465 __SH4_SINGLE_ONLY__ .
8466 * va-sh.h (__va_freg): Define to float.
8467 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
8468 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
8469 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
8470 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
8472 (TARGET_SH4_P): Define.
8475 * sh.md (movdf_k, movsf_i): Tweak the condition so that
8476 init_expr_once is satisfied about the existence of load / store insns.
8478 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
8479 Change m constraint in source operand to mr / mf.
8481 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
8483 * (__VA_REEF): Define.
8484 (__va_arg_sh1): Use it.
8486 * va-sh.h (va_start, va_arg, va_copy): Add parentheses.
8488 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
8490 * i386/dgux.c (struct option): Add new "description field".
8491 * m88k/m88k.c (struct option): Likewise.
8493 Sun Nov 22 16:07:57 1998 Jeff Law (law@cygnus.com)
8495 * version.c: Bump for snapshot.
8497 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8499 * regmove.c (regmove_profitable_p): Use return value of find_matches
8502 Sun Nov 22 02:47:37 1998 Jeff Law (law@cygnus.com)
8504 * version.c: Bump for snapshot.
8506 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
8508 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
8509 without reload having been called earlier.
8511 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
8513 (v850_reorg): Similarly.
8515 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
8517 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8519 * loop.c (move_movables): Start of libcall might be new loop start.
8521 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8523 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
8525 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8527 * function.c (nonlocal_goto_handler_slots): Renamed from
8528 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
8529 (push_function_context_to): Adjust for this change.
8530 (pop_function_context_from): Likewise.
8531 (init_function_start): Likewise.
8532 (expand_function_end): Likewise.
8533 * function.h (struct function): Likewise.
8534 * calls.c (expand_call): Likewise.
8535 * explow.c (allocate_dynamic_stack_space): Likewise.
8536 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
8537 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
8539 (expand_goto): When doing a nonlocal goto, find corresponding handler
8540 slot for it. Don't put the label address in the static chain register.
8541 (expand_end_bindings): Break out nonlocal goto handling code into
8542 three new functions.
8543 (expand_nl_handler_label, expand_nl_goto_receiver,
8544 expand_nl_goto_receivers): New static functions, broken out of
8545 expand_end_bindings and adapted to create one handler per nonlocal
8547 * function.c (delete_handlers): Delete insn if it references any of
8548 the nonlocal goto handler slots.
8549 * i960.md (nonlocal_goto): Comment out code that modifies
8551 * sparc.md (nonlocal_goto): Likewise.
8552 (goto_handler_and_restore_v9): Comment out.
8553 (goto_handler_and_restore_v9_sp64): Comment out.
8555 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8557 * expr.c (STACK_BYTES): Delete unused macro.
8558 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
8559 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
8560 (expand_call): Likewise.
8561 (emit_library_call): Likewise.
8562 (emit_library_call_value): Likewise.
8563 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
8564 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
8565 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
8566 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
8567 (allocate_dynamic_stack_space): Likewise.
8568 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
8569 (STACK_BOUNDARY): Update description to reflect the new situation.
8571 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
8573 * reorg.c (relax_delay_slots): When optimizing for code size, if a
8574 return with a filled delay slot is followed by a return with an
8575 unfilled delay slot, delete the first return and reemit the insn
8576 that was previously in its delay slot.
8578 * i860.c (single_insn_src_p): Add missing parens.
8579 * ginclude/math-3300.h: Likewise.
8581 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
8583 * regclass.c (init_reg_sets_1): Add prototype.
8584 (init_reg_modes): Likewise.
8586 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
8588 * c-common.c: Change warning messages to say `comparison is
8589 always true' or `comparison is always false' instead of the
8590 confusing `is always 0', `is always 1'.
8592 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
8594 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
8595 break instead of return (which loses closing '>').
8597 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
8599 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
8600 standard 387 constants.
8602 * i386.md (jump): Explicitly set "memory" attribute.
8603 (indirect_jump, prologue_set_stack_ptr): Likewise.
8604 (prologue_get_pc_and_set_got, pop): Likewise.
8605 (allocate_stack_worder, blockage, return_internal): Likewise.
8606 (return_pop_internal, nop): Likewise.
8607 (epilogue_set_stack_ptr, leave): Likewise.
8609 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
8611 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
8613 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8615 * reload1.c (reload_reg_free_for_value_p):
8616 Early auto_inc reloads don't conflict with outputs.
8618 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8620 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
8621 Instead call AC_HEADER_SYS_WAIT.
8623 * collect2.c: Don't provide defaults for sys/wait.h macros.
8625 * protoize.c: Likewise. Also, don't include sys/wait.h.
8627 * system.h: Include sys/wait.h and provide macro defaults.
8629 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8631 * Makefile.in (mandir): Set to @mandir@.
8632 (man1dir): New variable to hold the former value of $(mandir).
8633 Replace all uses of $(mandir) by $(man1dir).
8635 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
8637 * reload.c (find_reloads_address_part): If have a CONST_INT, create
8638 a new one before passing it to force_const_mem.
8640 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
8641 find_reloads_address call.
8643 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8645 * expr.c (store_expr): Don't generate load-store pair
8646 if TEMP is identical (according to ==) with TARGET.
8648 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8650 * reload1.c (reload_reg_free_for_value_p): When considered reload
8651 has an output, matching inputs are not sufficient to avoid conflict.
8653 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
8655 * hash.h (hash_table_key): New type.
8656 (hash_entry): Change `string' field to generic `key'.
8657 (hash_table): Add `comp' and `hash' functions.
8658 (hash_table_init): Take them as input.
8659 (hash_table_init_n): Likewise.
8660 (hash_lookup): Modify for generic keys.
8661 (hash_newfunc): Likewise.
8662 (hash_traverse): Likewise.
8663 (string_hash): New function.
8664 (string_compare): Likewise.
8665 (string_copy): Likewise.
8666 * hash.c (hash_table_init_n): Modify for generic keys.
8667 (hash_table_init): Likewise.
8668 (hash_lookup): Likewise.
8669 (hash_newfunc): Likewise.
8670 (hash_traverse): Likewise.
8671 (string_hash): Split out from hash_lookup.
8672 (string_compare): New function.
8673 (string_copy): Split out from hash_lookup.
8674 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
8676 (symbol_hash_lookup): Likewise.
8677 (file_hash_newfunc): Likewise.
8678 (file_hash_lookup): Likewise.
8679 (demangled_hash_newfunc): Likewise.
8680 (demangled_hash_lookup): Likewise.
8681 (tlink_int): Likewise.
8682 (read_repo_file): Likewise.
8683 (recompile_files): Likewise.
8684 (demangle_new_symbols): Likewise.
8685 (scan_linker_output): Likewise.
8687 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8689 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
8691 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@gnu.org>
8693 * rs6000.c (output_mi_thunk): Improve test for local branch.
8695 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8697 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
8699 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8701 * reload1.c (reload_reg_free_before_p): Delete.
8702 Changed all callers to use reload_reg_free_for_value_p instead.
8703 (reload_reg_free_for_value_p): Handle more reload types.
8704 A RELOAD_FOR_INPUT doesn't conflict with its
8705 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
8706 Add special case for OUT == const0_rtx.
8707 Added ignore_address_reloads argument. Changed all callers.
8709 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
8711 * toplev.c (compile_file): Don't pedwarn about undefined static
8712 functions just because we passed -Wunused.
8714 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8716 * function.c (purge_addressof_1): Unshare rtl created by
8719 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8721 * regmove.c (regmove_optimize): Don't do anything but
8722 optimize_reg_copy[123] when flag_regmove is not set.
8724 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
8726 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
8727 value in paradoxical SImode result, rather than truncating midpoint.
8729 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
8731 * alpha.c (reg_not_elim_operand): New.
8732 * alpha.h (PREDICATE_CODES): Add it.
8733 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
8734 for the multiplicand.
8736 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@gnu.org>
8738 * rs6000.md (movsf): Remove explicit secondary-reload-like
8739 functionality. Only truncate SFmode store if in FPR.
8740 (movsf splitters): Combine const_double splitters.
8741 (movsf_hardfloat): Add GPR support.
8743 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
8745 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
8746 deprecate -mlive-g0 and -mbroken-saverestore.
8747 * t-splet (MULTILIB_OPTIONS): Likewise.
8749 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
8750 in a leaf function. Clarify total_size/extra_size relationship.
8752 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
8754 * i386/cygwin32.asm: Delete.
8755 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
8756 * i386/cygwin32.h: Delete.
8757 * i386/cygwin.h: New file, renamed from cygwin32.h.
8758 * i386/t-cygwin32: Delete.
8759 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
8760 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
8761 * i386/x-cygwin32: Delete.
8762 * i386/x-cygwin: New file, renamed from x-cygwin32.
8763 * i386/xm-cygwin32: Delete.
8764 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
8765 renamed cygwin_ funcs for path translations.
8766 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
8767 * i386/winnt.c: Remove "32" from comment about cygwin.
8768 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
8769 * rs6000/cygwin32.h: Delete.
8770 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
8771 -D__CYGWIN__ to CPP_PREDEFINES.
8772 * rs6000/x-cygwin32: Delete.
8773 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
8774 * rs6000/xm-cygwin32: Delete.
8775 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
8777 * configure.in: Check for cygwin* instead of cygwin32. Account
8778 for the rename of cygwin-related config files to lose the "32"s.
8779 * configure: Regenerate.
8781 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
8782 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
8784 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
8786 * Makefile.in (JAVAGC): New macro.
8787 * configure: Rebuilt.
8788 * configure.in: Recognize --enable-java-gc argument. Subst
8791 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8793 Handle equivalences that have been obscured by gcse:
8795 * reload1.c (reload): Handle equivalences set up in multiple places.
8796 * local-alloc.c (reg_equiv_init_insns): New variable.
8797 (no_equiv): New function.
8798 (update_equiv_regs): Handle equivalences set up in multiple places.
8799 Don't ignore an insn just because its destination is likely to be
8802 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
8804 * except.c (expand_eh_return): Readd force_operand call lost in
8807 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@gnu.org>
8809 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
8811 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8813 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
8815 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8817 * regmove.c (regmove_optimize): Fix error in last change.
8819 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
8821 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
8822 offset in the .mask pseudo to compensate for frame pointer adjustments.
8823 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
8824 word swap arguments moved to/from FP registers.
8825 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
8827 Mon Nov 9 09:47:06 1998 Jeff Law (law@cygnus.com)
8829 * version.c: Bump for snapshot.
8831 Mon Nov 9 02:14:14 1998 Jeff Law (law@cygnus.com)
8833 * version.c: Bump for snapshot.
8835 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
8837 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
8838 times, then it can not be completely replaced.
8840 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
8842 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
8844 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8846 * gansidecl.h: Prepend a "G" to the macro wrapping this file
8847 (to distinguish it from the macro wrapping ansidecl.h.)
8848 Include libiberty's ansidecl.h. Remove all redundant definitions.
8849 Define the PROTO() style macros in terms of the PARAMS() ones.
8852 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
8853 __STDC__, when deciding whether to use ANSI variable args.
8854 (emit_library_call_value): Likewise.
8856 * cccp.c (error): Likewise.
8857 (warning): Likewise.
8858 (error_with_line): Likewise.
8859 (warning_with_line): Likewise.
8860 (pedwarn): Likewise.
8861 (pedwarn_with_line): Likewise.
8862 (pedwarn_with_file_and_line): Likewise.
8865 * cexp.y (error): Likewise.
8866 (pedwarn): Likewise.
8867 (warning): Likewise.
8869 * collect2.c (fatal_perror): Likewise.
8873 * combine.c (gen_rtx_combine): Likewise.
8875 * cpperror.c (cpp_message): Likewise.
8876 (cpp_fatal): Likewise.
8878 * cpplib.c (cpp_error): Likewise.
8879 (cpp_warning): Likewise.
8880 (cpp_pedwarn): Likewise.
8881 (cpp_error_with_line): Likewise.
8882 (cpp_warning_with_line): Likewise.
8883 (cpp_pedwarn_with_line): Likewise.
8884 (cpp_pedwarn_with_file_and_line): Likewise.
8886 * cpplib.h: Don't define PARAMS() macro.
8888 * demangle.h: Likewise.
8890 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
8891 when deciding whether to use ANSI variable args.
8893 * emit-rtl.c (gen_rtx): Likewise.
8894 (gen_rtvec): Likewise.
8896 * final.c (asm_fprintf): Likewise.
8898 * fix-header.c (cpp_message): Likewise.
8900 (cpp_fatal): Likewise.
8902 * gcc.c (concat): Likewise.
8906 * genattr.c (fatal): Likewise.
8908 * genattrtab.c (attr_rtx): Likewise.
8909 (attr_printf): Likewise.
8912 * gencodes.c (fatal): Likewise.
8914 * genconfig.c (fatal): Likewise.
8916 * genemit.c (fatal): Likewise.
8918 * genextract.c (fatal): Likewise.
8920 * genflags.c (fatal): Likewise.
8922 * genopinit.c (fatal): Likewise.
8924 * genoutput.c (fatal): Likewise.
8927 * genpeep.c (fatal): Likewise.
8929 * genrecog.c (fatal): Likewise.
8931 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
8932 deciding whether to declare `tree_node' and `rtx_def'.
8934 * hash.h: Don't define stuff we get from gansidecl.h.
8936 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
8937 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
8938 whether to use ANSI variable args.
8941 * prefix.c (concat): Likewise.
8945 * system.h: Likewise.
8947 * toplev.c (error_with_file_and_line): Likewise.
8948 (error_with_decl): Likewise.
8949 (error_for_asm): Likewise.
8952 (warning_with_file_and_line): Likewise.
8953 (warning_with_decl): Likewise.
8954 (warning_for_asm): Likewise.
8955 (warning): Likewise.
8956 (pedwarn): Likewise.
8957 (pedwarn_with_decl): Likewise.
8958 (pedwarn_with_file_and_line): Likewise.
8960 (really_sorry): Likewise.
8962 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
8963 whether to declare `tree_node' and `rtx_def'.
8965 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
8966 deciding whether to use ANSI variable args.
8967 (build_nt): Likewise.
8968 (build_parse_node): Likewise.
8970 Sun Nov 8 13:10:55 1998 Jeff Law (law@cygnus.com)
8972 * version.c: Bump for snapshot.
8974 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8976 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
8978 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@gnu.org>
8980 * collect2.c (main, case 'b'): Use else if.
8982 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8984 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
8985 Arrange to include gansidecl.h in {ht}config.h & tm.h just
8986 before the config/ directory headers.
8987 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
8988 gansidecl.h in the list of dependencies.
8990 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
8991 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
8992 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
8993 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
8994 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
8995 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
8998 * cccp.c: Don't include gansidecl.h.
9000 * collect2.c: Likewise.
9001 * config/c4x/c4x.c: Likewise.
9002 * config/v850/v850.h: Likewise.
9003 * cppalloc.c: Likewise.
9004 * cpperror.c: Likewise.
9005 * cppexp.c: Likewise.
9006 * cppfiles.c: Likewise.
9007 * cpphash.c: Likewise.
9008 * cpplib.c: Likewise.
9009 * cppmain.c: Likewise.
9010 * cppulp.c: Likewise.
9011 * demangle.h: Likewise.
9012 * doprint.c: Likewise.
9013 * dyn-string.c: Likewise.
9014 * eh-common.h: Likewise.
9015 * fix-header.c: Likewise.
9016 * frame.c: Likewise.
9019 * gen-protos.c: Likewise.
9020 * gencheck.c: Likewise.
9021 * halfpic.h: Likewise.
9023 * machmode.h: Likewise.
9024 * mbchar.c: Likewise.
9025 * prefix.c: Likewise.
9026 * protoize.c: Likewise.
9027 * recog.h: Likewise.
9029 * scan-decls.c: Likewise.
9031 * varray.h: Likewise.
9033 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
9035 * i386.md (call_value_pop): If we're not popping anything,
9036 defer to call_value.
9037 (call_pop): Likewise defer to call.
9039 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
9041 * function.c (purge_addressof): Clear purge_addressof_replacements
9042 only after processing the whole function.
9044 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
9046 * reload1.c (reload): If we can not perform a particular elimination
9047 when we thought we could earlier, then we must always iterate through
9048 the loop at least one more time.
9050 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
9052 * alpha.c (add_operand): Simplify the CONST_INT match.
9053 (sext_add_operand): Correct typo in comparison by using
9054 CONST_OK_FOR_LETTER_P.
9055 * alpha.md (s?addq): Use sext_add_operand to allow the negative
9056 constant alternatives to be generated.
9057 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
9058 small constants, since the hw instructions do.
9060 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9062 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
9063 previous insn to store directly into our reload register, make sure
9064 that if the source of the previous insn is a reload register, its
9065 spill_reg_store and spill_reg_stored_to values are cleared.
9067 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@gnu.org>
9069 * rs6000.md (floatunssidf2_internal splitter): Use base register
9070 operand, not hard-coded SP.
9072 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9074 * jump.c (calculate_can_reach_end): Fix thinko.
9076 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
9078 * reorg.c (fill_simple_delay_slots): Fix typo.
9080 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
9082 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
9084 * i386.md (extendsidi2): Use # in the output template.
9085 (extendsidi splitters): New splitters.
9087 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
9089 * configure.in: Use unknown-elf.h as tm_file for arm-elf
9091 * configure: Regenerate.
9093 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9095 * jump.c (init_label_info, delete_barrier_successors,
9096 mark_all_labels, delete_unreferenced_labels,
9097 delete_noop_moves, calculate_can_reach_end): New functions broken
9098 out of jump_optimize.
9099 (jump_optimize): Use them.
9101 Thu Nov 5 07:57:45 1998 Andrew MacLeod <amacleod@cygnus.com>
9103 * except.c (expand_fixup_region_end): Make sure outer context labels
9104 are not issued in an inner context during cleanups.
9106 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
9108 * alpha.md (addsi3, subsi3): No new temporaries once cse is
9111 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
9113 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
9114 to expose this midpoint to CSE.
9116 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9118 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
9120 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
9122 * configure.in: Bring over gcc2 change of Nov 19 1997.
9124 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
9126 * toplev.c (output_lang_identify): Make definition dependent on
9127 ASM_IDENTIFY_LANGUAGE.
9129 * print-rtl.c (spaces): Make static.
9131 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
9133 * extend.texi: Clarify proper uses for register clobbers in asms.
9135 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9137 * recog.h (enum op_type): Define.
9138 (constrain_operands): Adjust prototype.
9139 (recog_op_type): Declare new variable.
9140 * recog.c (recog_op_type): New variable.
9141 (insn_invalid_p): Allow modifying an asm statement after reload.
9142 (extract_insn): Set up recog_op_type.
9143 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
9144 Don't compute operand types, use recog_op_type.
9145 Use the information computed by extract_insn instead of the previous
9146 method of finding it by insn code number.
9147 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
9148 * reorg.c (fill_slots_from_thread): Likewise.
9149 * reload1.c (reload_as_needed): Likewise.
9150 (gen_reload): Likewise.
9151 (inc_for_reload): Likewise.
9152 (reload_cse_simplify_operands): Likewise.
9153 Use the information computed by extract_insn instead of the previous
9154 method of finding it by insn code number.
9155 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
9157 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
9158 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
9159 Use the information computed by extract_insn instead of the previous
9160 method of finding it by insn code number.
9161 * regmove.c (find_matches): Likewise. Change meaning of the return
9162 value to be nonzero if the optimization can be performed, zero if
9163 not. All callers changed.
9164 Shorten some variable names to fix formatting problems.
9165 (regmove_optimize): Shorten some variable names to fix formatting
9167 Use the information computed by extract_insn instead of the previous
9168 method of finding it by insn code number.
9169 * regclass.c (scan_one_insn): Likewise.
9170 (record_reg_classes): Don't compute operand types, use recog_op_type.
9171 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
9172 recog_constraints instead.
9174 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
9176 * rtl.h (flow2_completed): Declare.
9177 * flow.c (flow2_completed): Definition.
9178 * toplev.c (rest_of_compilation): Set and clear flow2_completed
9181 Wed Nov 4 19:15:37 1998 Melissa O'Neill <oneill@cs.sfu.ca>
9183 * Makefile.in (libcpp.a): Ranlib libcpp.a.
9185 * cppulp.c (user_label_prefix): Initialize.
9187 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
9189 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
9190 at a RETURN if current_function_sp_is_unchanging is set.
9192 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9194 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
9196 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
9198 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
9199 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
9200 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
9201 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
9202 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
9203 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
9205 (LIB_SPEC): Handle -mno-cygwin option.
9206 (LINK_SPEC): Handle -mdll.
9208 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9210 * reload.c (find_reloads): Fix test for usage by other reload
9211 to handle secondary reloads properly.
9213 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9215 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
9216 intermediate structure which has exactly the members provided by
9217 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
9218 static intermediate structure.
9220 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
9221 from the intermediate structure. Do the same analogous fix in
9222 the case where ELIMINABLE_REGS is not defined.
9224 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
9226 * pa.h (SELECT_SECTION): Fix thinko.
9228 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
9230 * dwarf2out.c (output_call_frame_info): Comments on last change.
9232 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
9234 * arm.c (add_constant): When taking the address of an item in the
9235 pool, get the mode of the item addressed.
9237 * arm.c (final_prescan_insn case INSN): If an insn doesn't
9238 contain a SET or a PARALLEL, don't consider it for conditional
9241 Restore ABI compatibility for NetBSD.
9242 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
9244 (RETURN_IN_MEMORY): Likewise.
9246 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
9248 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
9249 (m32r_output_block_move): Rewrite bytes < 4 handling.
9251 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9253 * configure.in: Call AC_FUNC_VFORK.
9255 * collect2.c: Define VFORK_STRING as a printable string for
9256 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
9257 defined, include vfork.h. If VMS is defined, define vfork()
9258 appropriately. Remove vfork check on USG, we're using autoconf.
9259 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
9260 checking locally what string to pass.
9261 (scan_prog_file): Likewise.
9262 (scan_libraries): Likewise.
9264 * gcc.c: Remove vfork check on USG, we're using autoconf.
9265 Besides, no calls to vfork/fork occur in this file.
9267 * protoize.c: Likewise.
9269 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9271 * configure.in (DEFAULT_LINKER): Renamed from LD.
9272 (DEFAULT_ASSEMBLER): Renamed from AS; reverted Schwab's patch.
9273 (gcc_cv_as): Try $DEFAULT_ASSEMBLER before $AS.
9274 * configure: Rebuilt.
9276 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9278 * BUGS: Fix the regexp for `more' to find the appropriate node.
9279 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
9281 * BUGS: Added link to the WWW FAQ.
9283 Sun Nov 1 18:27:15 1998 Jeff Law (law@cygnus.com)
9285 * version.c: Bump for snapshot.
9287 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
9289 * From Christian Gafton:
9290 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
9291 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
9292 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
9294 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
9296 * c-common.c (c_get_alias_set): Allow all type-punning through
9297 unions. Don't get confused about the type of a bit-field, despite
9298 the antics of build_modify_expr.
9300 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
9302 * fixinc.sco: Parameterize #include_next values.
9303 * fixinc/fixinc.sco: Likewise.
9305 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
9307 * toplev.c (rest_of_compilation): No longer set reload_completed.
9308 * reload1.c (reload): Set it here. Perform instruction splitting
9309 after reload has completed if we will be running the scheduler
9312 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
9314 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
9315 EH region if exceptions are enabled and we're performing cross
9317 (find_cross_jump): Exit loop if the insns are in different EH regions.
9319 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
9321 * dwarf2out.c (output_call_frame_info): Use
9322 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
9324 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9326 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
9327 * c-common.c (check_format_info): Don't check for the 'x'
9328 format character twice, instead check for 'x' and 'X'
9330 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
9332 * configure.in (assembler features): Also make gas is configured if
9333 we find it in the source tree.
9335 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
9337 * i386.c (i386_comp_type_attributes): Compare whether the
9338 attributes are defined, not their tree nodes.
9340 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9342 * configure.in (gxx_include_dir): Bitten by autoconf quoting
9344 * configure: Rebuilt.
9346 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
9348 * configure.in: Ignore non-absolute value in $AS.
9350 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
9352 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
9354 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
9356 * configure.in (msdosdjgpp): Set exeext and target_alias.
9358 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9360 * flow.c (XNMALLOC): New macro.
9361 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
9363 (add_edge, add_edge_to_label): New static functions.
9364 (free_bb_memory): New function.
9365 (flow_delete_insn): Delete function.
9366 (basic_block_drops_in): Delete variable.
9367 (find_basic_blocks): Allocate and initialize basic_block_head,
9368 basic_block_succ. Don't allocate basic_block_drops_in.
9369 Call free_bb_memory at the beginning.
9370 (find_basic_blocks_1): Don't do multiple passes.
9371 Delete code to compute basic_block_drops_in.
9372 After calling make_edges, mark blocks reached by current block live.
9373 Update test for unreachable live blocks.
9374 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
9376 Simplify to call add_edge_to_label when a LABEL_REF is found.
9377 (make_edges): Simplify to call add_edge_to_label instead of
9378 mark_label_ref most of the time.
9379 Compute here whether control drops into the next block.
9380 (delete_unreachable_blocks): Return void. All callers changed.
9381 Delete unreachable blocks in reverse order.
9382 After deleting all unreachable blocks, renumber the remaining ones
9383 and update n_basic_blocks.
9384 (delete_block): Speed up deletion a bit.
9385 Don't set basic_block_drops_in for deleted blocks.
9386 (free_basic_block_vars): Don't free basic_block_drops_in.
9387 (life_analysis_1): Update to use new edge representation.
9388 (dump_flow_info): Delete code to print basic block info; call
9389 dump_bb_data instead.
9390 (compute_preds_succs): Delete code to recompute basic_block_drops_in
9391 and uid_block_number.
9392 Simply copy the previously computed cfg.
9393 (dump_bb_data): New arg LIVE_INFO. All callers changed.
9394 Print register lifetime information if LIVE_INFO is nonzero.
9395 * basic-block.h (dump_bb_data): Adjust prototype.
9396 * gcse.c (gcse_main): Update call to dump_bb_data.
9397 * rtl.h (free_bb_memory): Declare.
9398 * toplev.c (rest_of_compilation): Call free_bb_memory.
9400 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
9401 (update_eliminable_offsets): Don't compute it.
9402 (set_initial_elim_offsets): Don't initialize it.
9403 Break out some code into set_initial_label_offsets so the rest of
9404 this function can be called from reload_as_needed.
9405 Assume that INITIAL_FRAME_POINTER_OFFSET is defined when
9406 ELIMINABLE_REGS isn't.
9407 (set_initial_label_offsets): New function, broken out of
9408 set_initial_elim_offsets.
9409 (set_offsets_for_label): New function, broken out of set_label_offsets
9410 and reload_as_needed.
9411 (reload): Call the two new functions.
9412 (reload_as_needed): Call set_initial_elim_offsets instead of
9413 duplicating the code. Likewise for set_offsets_for_label.
9415 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
9416 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
9417 any hard reg, reg_reloaded_dead contains valid data.
9419 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
9421 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
9422 "stdcall" and "cdecl" attributes.
9424 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
9426 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
9427 handle deleted no-op moves of hard registers.
9428 * haifa-sched.c (update_flow_info): Likewise.
9430 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
9432 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
9433 of the sequences to reload the HILO register which do not actually
9436 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
9438 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
9440 Thu Oct 29 14:10:22 1998 Andrew MacLeod <amacleod@cygnus.com>
9442 * except.c (emit_eh_context): Make the EH context register stay alive
9443 at -O0 so stupid.c doesn't get confused.
9445 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9447 * emit-rtl.c (try_split): Do not try to split a BARRIER.
9449 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
9450 Jeffrey A Law (law@cygnus.com)
9452 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM.
9453 (zero_extendsidi2): Use # in output template and handle completely by
9455 (zero_extend splitters): New define_splits.
9456 (ashiftrt_32): New pattern.
9458 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
9460 * tree.c (append_random_chars): New fn.
9461 (get_file_function_name_long): Use it.
9463 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
9465 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
9466 (LIBCPP_OBJS): New. Add cppulp.o.
9467 (cppmain, fix-header): Depend on and use libcpp.a.
9468 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
9469 of the individual object files.
9470 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
9473 * cccp.c (user_label_prefix): New.
9474 (main): Set it off -f*leading-underscore.
9475 (special_symbol): Use it.
9476 * cpplib.c (special_symbol): Likewise.
9477 (cpp_handle_option): Handle -f*leading-underscore.
9478 * cppulp.c: New file.
9480 * output.h (user_label_prefix): Declare it.
9481 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
9482 * toplev.c (f_options, main): Handle -f*leading-underscore.
9484 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
9485 referencing USER_LABEL_PREFIX directly.
9486 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
9487 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
9488 * final.c (asm_fprintf): Use user_label_prefix instead.
9489 * arm/thumb.c (thumb_print_operand): Likewise.
9491 * gcc.c (default_compilers): Pass -f*leading-underscore on to
9492 cpp wherever appropriate.
9494 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
9496 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
9497 specific compiler switches.
9499 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
9501 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
9504 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9506 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
9507 structure which has exactly the members provided by EXTRA_SPECS.
9508 Xmalloc() the real `extra_specs', and initialize it from this
9509 intermediate structure.
9511 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
9513 * mips.h (EXTRA_SPECS): Likewise.
9515 * sparc.h (EXTRA_SPECS): Likewise.
9517 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
9519 * function.c (purge_addressof_1): Instead of aborting when a
9520 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
9521 work just put the ADDRESSOF on stack. Otherwise remember all such
9522 successful replacements, so that exactly the same replacements
9523 can be made on the REG_NOTEs. Remove the special case for CALL
9525 (purge_addressof_replacements): New variable.
9526 (purge_addressof): Clear it at end.
9528 1998-10-28 Zack Weinberg <zack@rabi.phys.columbia.edu>
9530 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
9531 (lang_init): Call check_newline always.
9532 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
9533 cpp_start_read, set yy_cur and yy_lim to read from
9534 parse_in.token_buffer, so that we'll see the first #line
9536 * cpplib.c (cpp_start_read): finclude the main input file
9537 before processing -include/-imacros. Process -imacros and
9538 -include separately, and handle -include by stacking a
9539 buffer for the file in question as if it'd been #included.
9540 * toplev.c (documented_lang_options): Recognize -H when
9543 1998-10-28 Zack Weinberg <zack@rabi.phys.columbia.edu>
9545 * cpplib.c: Merge do_once into do_pragma. Break file handling
9546 code out of do_include.
9547 Move append_include_chain, deps_output,
9548 file_cleanup, redundant_include_p, import_hash,
9549 lookup_import, add_import, read_filename_string, read_name_map,
9550 open_include_file, finclude, safe_read to cppfiles.c.
9551 Move prototypes for deps_output, append_include_chain,
9552 finclude to cpplib.h. Move definition of struct
9553 file_name_list there also.
9555 * cppfiles.c: New file. Contains all the above functions
9556 broken out of cpplib.c; also hack_vms_include_specification
9557 from cccp.c and find_include_file, a new function broken out of
9560 * Makefile.in (cppmain): Depend on cppfiles.o.
9561 (fix-header): Likewise.
9562 (cppfiles.o): New target.
9563 * configure.in (--enable-c-cpplib): Add cppfiles.o to
9564 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
9566 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
9568 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
9569 if pending_types is non-zero.
9570 (dwarfout_finish): Verify pending_types is zero before finishing.
9572 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
9574 * expr.c (convert_move): Use shifts to perform the move if a
9575 suitable extend pattern cannot be found. Code written by
9576 Richard Henderson <rth@cygnus.com>.
9578 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9580 * regclass.c (renumber, regno_allocated): New static variables, moved
9581 out of allocate_reg_info.
9582 (allocate_reg_info): Move these two variables outside the function.
9583 Move code to free memory into new function free_reg_info.
9584 (free_reg_info): New function, broken out of allocate_reg_info.
9585 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
9586 * rtl.h (allocate_reg_info): Don't declare.
9587 (free_reg_info): Declare.
9589 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
9591 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
9593 * toplev.c (compile_file): Temporarily revert last change.
9595 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
9597 * c-typeck.c (convert_for_assignment): Parenthesize.
9599 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
9601 * reload1.c (delete_output_reload): Avoid ambigous else.
9603 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
9605 * toplev.c (compile_file): Call allocate_reg_info to free register
9607 * rtl.h (allocate_reg_info): Declare.
9609 * PROJECTS: Remove entry for local spilling.
9611 * final.c (cleanup_subreg_operands): New function.
9612 (final_scan_insn): Use it.
9613 (alter_subreg): Clear the "used" field when we turn a SUBREG into
9615 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
9616 operands when reload has finished.
9617 * reload.h (cleanup_subreg_operands): Declare..
9618 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
9619 reload. Handled in reload itself.
9621 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9623 * reload1.c (verify_initial_offsets): New function.
9624 (reload): Call it after reload_as_needed. Also verify that the frame
9625 size stays constant during reload_as_needed.
9626 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
9628 * reload.h (struct insn_chain): Add need_operand_change element.
9629 * reload1.c (new_insn_chain): Clear it.
9630 (calculate_needs_all_insns): Set it; don't overload need_reload.
9631 (reload_as_needed): Use it.
9633 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
9634 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
9635 and reload_address_index_reg_class.
9636 (find_reloads_address_1): Likewise.
9637 * reload.h (reload_address_base_reg_class,
9638 reload_address_index_reg_class): Don't declare.
9639 * reload1.c (reg_old_renumber, pseudo_previous_regs,
9640 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
9641 (used_spill_regs): Now static.
9642 (reload_address_base_reg_class, reload_address_index_reg_class,
9643 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
9644 basic_block_needs, max_needs, group_size, group_mode, max_groups,
9645 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
9648 (init_reload): Delete code to compute base/index reg classes.
9649 (reload): Delete variable J.
9650 Delete code to manage basic_block_needs.
9651 Don't compute regs_explicitly_used.
9652 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
9653 pseudo_previous_regs.
9654 Initialize bad_spill_regs_global.
9655 Don't call order_regs_for_reload here.
9656 Don't initialize spill_reg_order and n_spills.
9657 Don't forbid explicitly used regs to be used for spill regs.
9658 Change main loop to infinite loop, with explicit break statements.
9659 Make SOMETHING_CHANGED variable local to that loop.
9660 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
9661 max_groups_insn, max_nongroups_insn, group_size, group_mode.
9662 Make sure spilled_pseudos is cleared before calling spill_hard_reg or
9664 Don't call dump_needs.
9665 Delete code to reset potential_reload_regs.
9666 Delete code to terminate loop conditional on the global needs variables
9667 showing no further needs.
9668 (calculate_needs_all_insns): Return void. All callers changed.
9669 Initialize something_needs_elimination here, not in reload.
9670 Delete avoid_return_reg kludge.
9671 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
9672 All callers changed.
9673 Initialize the group_mode and group_size elements of the arg CHAIN.
9674 Delete code to manage basic_block_needs.
9675 Operate on elements of CHAIN instead of global variables.
9676 Delete avoid_return_reg kludge.
9677 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
9678 All callers changed.
9679 Operate on elements of CHAIN instead of global variables.
9680 Delete special SMALL_REGISTER_CLASSES code.
9681 Delete spill_failure code; now in new_spill_reg.
9682 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
9683 All callers changed.
9684 Operate on elements of CHAIN instead of global variables.
9685 (maybe_mark_pseudo_spilled): New static function.
9686 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
9687 All callers changed.
9688 Operate on elements of CHAIN instead of global variables.
9689 Call order_regs_for_reload here, not in reload.
9690 Initialize spill_reg_order and n_spills.
9691 Simplify test whether an asm insn is involved.
9692 Delete spill_failure code; now in new_spill_reg.
9693 Call maybe_mark_pseudo_spilled for everything marked as live in
9694 CHAIN. Merge CHAIN's used_spill_regs into the global variable
9696 (dump_needs): Take CHAIN arg. No longer static, to prevent the
9697 compiler from optimizing this function (now unused) away.
9698 Operate on elements of CHAIN instead of global variables.
9699 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
9701 Operate on elements of CHAIN instead of global variables.
9702 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
9703 take CHAIN arg. All callers changed.
9704 Operate on elements of CHAIN instead of global variables.
9705 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
9706 CHAIN, NONGROUP args. Return void. All callers changed.
9707 Verify caller isn't trying to spill a pseudo.
9708 Simplify test for illegal reg, just use bad_spill_regs.
9709 Generate better error messages.
9710 Operate on elements of CHAIN instead of global variables.
9711 Mark spilled register in CHAIN's used_spill_regs element.
9712 Don't call spill_hard_reg.
9713 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
9714 Mark spilled hard regs in bad_spill_regs_global.
9715 Mark affected pseudos in spilled_pseudos, but don't spill them.
9716 (ior_hard_reg_set): New static function.
9717 (finish_spills): Return int. All callers changed.
9718 Compute spill_reg_order, n_spills and spill_regs here. Also update
9719 regs_ever_live for regs used as spills.
9720 For every pseudo in spilled_pseudos, spill it and mark the previous
9721 hard reg it had in pseudo_previous_regs. Compute which hard regs
9722 are used as spills in insns during which it is live, and retry global
9723 register allocation. Update all life information in the
9724 reload_insn_chain not to include pseudos without hard regs.
9725 Call alter_reg for all affected speudos.
9727 (scan_paradoxical_subregs): Disable SMALL_REGISTER_CLASSES special
9728 case, it's not clear what it's supposed to do.
9730 (hard_reg_use_compare): Take bad_spill_regs into account.
9731 (pseudos_counted): New static variable.
9732 (count_pseudo): New static function.
9733 (order_regs_for_reload): Take CHAIN arg. All callers changed.
9734 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
9735 hard registers explicitly used across the current insn into the set.
9736 Compute hard_reg_n_uses taking only pseudos live across this insn
9738 Tweak sorting of potential_reload_regs.
9739 (compare_spill_regs): Delete function.
9740 (reload_as_needed): Don't sort the spill_regs array, it's computed
9741 in proper order in finish_spills.
9742 Delete avoid_return_reg kludge.
9743 Delete code to manage basic_block_needs.
9744 (allocate_reload_reg): Minor speed/readability tweaks.
9745 Operate on elements of CHAIN instead of global variables.
9746 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
9747 Delete avoid_return_reg kludge.
9748 Initialize reload_reg_used from CHAIN's used_spill_regs element.
9749 Delete unused label FAIL.
9750 (reload_combine): Replace reload_address_index_reg_class with
9752 Don't use used_spill_regs to determine information about lifetime of
9755 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
9757 * toplev.c (display_help): Ignore empty target specific
9758 options, and if -W is also specified on the command line then
9759 display undocumented options.
9761 * config/arm/arm.c: Updated with changes in devo sources.
9762 * config/arm/arm.h: Updated with changes in devo sources.
9763 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
9764 * config/arm/lib1thumb.asm: Add ELF support.
9766 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@gnu.org>
9768 * collect2.c (aix64_flag): New variable.
9769 (main, case 'b'): Parse it.
9770 (GCC_CHECK_HDR): Object magic number must match mode.
9771 (scan_prog_file): Only check for shared object if valid header.
9772 Print debugging if header/mode mismatch.
9774 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
9776 Added support for arm-elf-linux configuration, submitted by Philip
9777 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
9778 code developed by Catherine Moore <clm@cygnus.com>. The following
9781 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
9784 * configure: Regenerated.
9786 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
9787 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
9788 definitions conditional on their not having been already defined.
9790 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
9791 and .type directives, and add "(PLT)" qualification to function
9794 * config/arm/linux.h: Deleted. This file is now superseded by
9795 either linux-elf.h or linux-aout.h.
9797 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
9798 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
9800 Move definitions from old linux.h file here.
9802 * config/arm/elf.h: New file. Generic ARM/ELF support.
9804 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
9806 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
9808 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
9809 using the 26bit APCS.
9811 * config/arm/unknown-elf.h: New file. Support for OS'es other
9812 than Linux with ELF.
9814 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
9817 * config/arm/coff.h: Include aout.h for basic assembler macros.
9818 Add support for -mstructure_size_boundary=<n> command line option.
9820 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
9821 command line option. Make macro definitions conditional on their
9822 not having been already defined.
9824 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
9825 command line option.
9828 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
9830 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
9831 has been changed to not include a newline. Use this macro instead.
9832 (output_enumeral_list, const_value_attribute, name_attribute,
9833 comp_dir_attribute, prototyped_attribute, producer_attribute,
9834 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
9835 dwarfout_file_scope_decl, generate_new_sfname_entry,
9836 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
9837 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
9839 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
9841 * combine.c (subst): Process the inputs to a parallel asm_operands
9844 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
9846 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
9848 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
9850 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
9852 Mon Oct 26 00:36:58 1998 Jeff Law (law@cygnus.com)
9854 * version.c: Bump for snapshot.
9856 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
9858 * stmt.c (expand_fixup): Set fixup->before_jump to a
9859 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
9861 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9863 * Makefile.in (recog.o): Depend on toplev.h.
9864 (insn-emit.o): Depend on recog.h.
9865 (insn-peep.o): Depend on recog.h and insn-config.h.
9867 * combine.c (simplify_set): Remove unused variable `scratches'.
9869 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
9870 and `idx' in macro conditional controlling their use.
9872 * genemit.c (main): Make the generated output file include
9873 recog.h. Don't have it declare `insn_operand_constraint', since
9874 we get it from recog.h.
9876 * genpeep.c (main): Make the generated output file include
9877 insn-config.h and recog.h.
9879 * recog.c: Include toplev.h.
9880 (extract_insn): Remove unused variable `p'.
9882 * regclass.c (fix_register): Add missing braces around initializer
9884 (allocate_reg_info): Move variable `i' into the scope where it is
9885 used. Change its type to `size_t'.
9887 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9889 * reload.c (push_reload): When merging reloads, make sure
9890 that reload_in_reg and reload_in are from the same reload in
9893 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
9895 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
9896 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
9898 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@gnu.org>
9900 * loop.c (loop_has_tablejump): New variable.
9901 (prescan_loop): Scan for it.
9902 (insert_bct): Replace explicit scan with use of it.
9903 * regclass.c (regclass): Restore loop variable j.
9904 (record_reg_classes): Deterine op_types modifiers and initialize
9905 classes[i] before matching constraints. Handle matching
9908 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
9910 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
9913 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9915 * mips.h (EXTRA_SPECS): Add missing initializers.
9917 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9919 * sparc.h (EXTRA_SPECS): Add missing initializers.
9920 (sparc_defer_case_vector): Provide a prototype.
9922 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
9923 comparing it to the result of a pointer subtraction.
9925 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9927 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
9928 the argument to (unsigned char).
9930 * alpha.h (EXTRA_SPECS): Add missing initializers.
9931 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
9934 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
9936 * flow.c (life_analysis_1): Enable "rescan" code after reload.
9937 (propagate_block): Delete dead code after reload.
9939 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
9940 back Oct 15, 1998 change.
9941 * haifa-sched.c (update_flow_info): Likewise.
9942 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
9944 * mn10200.md (truncated shift): Accept constant inputs too.
9946 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
9948 * machmode.h (mode_mask_array): No longer const.
9949 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
9951 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9953 * frame.c: Somewhat explain `FDE'.
9954 Suggested by Brendan Kehoe
9956 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
9958 * expr.c (pending_chain): Move up.
9959 (save_expr_status): Do save pending_chain.
9960 (restore_expr_status): And restore it.
9961 * function.h (struct function): Add pending_chain.
9963 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9965 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
9966 did not match the code.
9968 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9970 * regclass.c (regclass): Break out some code into new function
9971 scan_one_insn, and into regclass_init.
9972 (init_cost): New static variable, moved out of regclass.
9973 (regclass_init): Initialize it here, not in .
9974 (scan_one_insn): New static function, broken out of regclass.
9975 * recog.c (apply_change_group): Break out some code into new
9976 function insn_invalid_p.
9977 (insn_invalid_p): New static fn, broken out of apply_change_group.
9979 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
9981 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
9982 reg_reloaded_contents matches incremented pseudo.
9984 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
9986 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9988 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
9989 addressing modes with side effects. These are currently
9990 placeholders for the C4x target.
9992 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9994 * loop.c (express_from): Make sure that when generating a PLUS of
9995 a PLUS, any constant expression appears on the outermost PLUS.
9997 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
9999 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
10000 works if "$(srcdir)" != ".".
10002 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
10004 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
10005 existing SUBREG if we can, otherwise abort.
10007 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
10009 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
10010 `restrict' is applied to a non-pointer variable.
10012 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
10014 * invoke.texi: Document -flang-isoc9x.
10016 * Makefile.in (OBJS): Add splay-tree.o.
10017 (c-common.o): Depend on rtl.h.
10018 (splay-tree.o): List dependencies and provide build rule.
10020 * rtl.h (record_alias_subset): New function.
10021 * alias.c: Include splay-tree.h.
10022 (alias_set_entry): New type.
10023 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
10024 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
10025 (mems_in_disjoin_alias_sets_p): New function.
10026 (alias_set_compare): Likewise.
10027 (insert_subset_children): Likewise.
10028 (get_alias_set_entry): Likewise.
10030 * tree.h (TYPE_RESTRICT): New macro.
10031 (TYPE_UNQUALIFIED): New manifest constant.
10032 (TYPE_QUAL_CONST): Likewise.
10033 (TYPE_QUAL_VOLATILE): Likewise.
10034 (TYPE_QUAL_RESTRICT): Likewise.
10035 (tree_type): Add restrict_flag. Reduce count of free bits.
10036 (DECL_POINTER_ALIAS_SET): New macro.
10037 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
10038 (tree_decl): Add pointer_alias_set.
10039 (build_qualified_type): New function.
10040 (build_type_variant): Define in terms of build_qualified_type.
10041 * tree.c (set_type_quals): New function.
10042 (make_node): Initialize DECL_POINTER_ALIAS_SET.
10043 (build_type_attribute_variant): Use build_qualified_type and
10045 (build_type_variant): Rename, and modify, to become...
10046 (build_qualified_type): New function.
10047 (build_complex_type): Use set_type_quals.
10049 * c-tree.h (C_TYPE_OBJECT_P): New macro.
10050 (C_TYPE_FUNCTION_P): Likewise.
10051 (C_TYPE_INCOMPLETE_P): Likewise.
10052 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
10053 (c_apply_type_quals_to_decl): New function.
10054 (c_build_qualified_type): New function.
10055 (c_build_type_variant): Define in terms of c_build_qualified_type.
10056 (flag_isoc9x): Declare.
10057 * c-typeck.c (qualify_type): Use c_build_qualified_type.
10058 (common_type): Change to use TYPE_QUALS.
10059 (comptypes): Likewise.
10060 (convert_for_assignment): Likewise.
10061 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
10062 * c-decl.c (flag_isoc9x): Define.
10063 (c_decode_option): Handle -flang-isoc9x.
10064 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
10065 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
10066 * c-lex.c (init_lex): Deal with restrict.
10067 (init_lex): Don't treat restrict as a reserved word in
10068 -traditional mode, or without -flang-isoc9x.
10069 * c-lex.h (rid): Add RID_RESTRICT.
10070 * c-parse.gperf (restrict, __restrict, __restrict__): Make
10071 equivalent to RID_RESTRICT.
10072 * c-parse.in (TYPE_QUAL): Update comment.
10073 * c-common.c: Include rtl.h.
10074 (c_find_base_decl): New function.
10075 (c_build_type_variant): Rename, and modify, to become ...
10076 (c_build_qualified_type): New function.
10077 (c_apply_type_quals_to_decl): Likewise.
10078 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
10079 a particular alias set for the reference.
10080 * toplev.c (documented_lang_options): Add -flang-isoc9x.
10082 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
10084 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
10085 command line switches.
10087 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
10089 * reload.c (loc_mentioned_in_p): Add missing braces to bind
10090 else to correct if.
10092 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
10094 * gcc.c (option_map): Added --classpath and --CLASSPATH.
10096 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
10098 * regclass.c (fix_register): Add error message.
10099 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
10102 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10104 * c-decl.c (warn_missing_noreturn): New global variable.
10105 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
10106 (finish_function): Implement missing noreturn warning.
10108 * c-tree.h (warn_missing_noreturn): Declare extern.
10110 * invoke.texi: Document new flags.
10112 * toplev.c (documented_lang_options): Add description.
10114 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10116 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
10117 loop optimization stable for the C4x.
10118 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
10119 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
10120 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superseded by BCT
10121 loop optimization).
10122 (c4x_address_conflict): Be more paranoid when packing a volatile
10123 memref in a parallel load/store.
10125 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10127 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
10128 repeat_block_filler): Deleted.
10129 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
10130 Condition code not set if destination register from 'c' class.
10131 (*subbqi3_carry_clobber): Fix typo.
10133 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10135 * reorg.c (steal_delay_list_from_target): Check for insns that
10136 modify the condition codes and effect the direction of the jump
10139 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
10141 * function.c (purge_addressof_1): Replace call to
10142 emit_insns_before() with emit_insn_before().
10144 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
10146 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
10148 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10150 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
10152 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
10154 * gcse.c (compute_hash_table): Correctly identify hard regs which are
10155 clobbered across calls.
10157 * loop.c (scan_loop): Be more selective about what invariants are
10158 moved out of a loop.
10160 Mon Oct 19 10:46:58 1998 Jeff Law (law@cygnus.com)
10162 * version.c: Bump for snapshot.
10164 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
10166 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
10167 static eh_context structure.
10169 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10171 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
10173 (try_combine): Don't update max_scratch.
10174 * flow.c (max_scratch, num_scratch): Delete variables.
10175 (life_analysis_1): Don't initialize max_scratch.
10176 (propagate_block): Don't update max_scratch.
10177 (mark_set_1): Don't increment num_scratch.
10178 * regs.h (max_scratch): Delete declaration.
10180 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
10182 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
10183 is nonzero. This is temporary!
10185 * sched.c (update_flow_info): Handle death notes made invalid by
10186 instruction splitting. Partially reverts Oct 15, 1998 patch.
10187 * haifa-sched.c (update_flow_info): Likewise.
10189 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
10191 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
10192 if it has a nonzero DECL_INITIAL.
10194 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10196 * Makefile.in (flow.o): Depend on recog.h.
10198 * cpplib.h (directive_table): Add missing initializiers.
10199 (finclude): Change type of variable `bsize' to size_t.
10201 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
10203 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
10205 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
10206 `int' when comparing against one.
10207 (cpp_file_line_for_message): Mark parameter `pfile' with
10209 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
10211 * flow.c: Include recog.h.
10212 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
10214 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
10215 `f' with ATTRIBUTE_UNUSED.
10216 (reposition_prologue_and_epilogue_notes): Likewise.
10218 * genopinit.c (gen_insn): Cast argument of ctype functions to
10221 * haifa-sched.c: Include recog.h.
10222 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
10223 comparing against one.
10225 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
10227 * mips-tfile.c (parse_end): Cast the argument of ctype function to
10229 (parse_ent): Likewise.
10230 (parse_input): Likewise.
10232 * optabs.c (init_libfuncs): Likewise.
10234 * protoize.c (find_rightmost_formals_list): Likewise.
10236 * recog.h (const_double_operand): Fix typo in prototype.
10238 * tlink.c (scan_linker_output): Cast the argument of ctype
10239 function to `unsigned char'.
10241 * toplev.c (check_lang_option): Cast the result of `strlen' to
10242 `int' when comparing against one.
10244 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
10246 * gcse.c (dump_cuid_table): Correct typo.
10248 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
10250 * toplev.c (display_help): Prepend '-m' to target specific
10252 (check_lang_option): Ignore text after end of first word of a
10253 language specific option.
10255 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10257 * reload1.c (reg_used_by_pseudo): New static variable.
10258 (choose_reload_regs): Initialize it.
10259 Use it instead of testing spill_reg_order to determine whether a
10260 pseudo is live in a hard register across the current insn.
10261 Fix a typo in a reference to reload_reg_rtx.
10263 * flow.c (propagate_block): Replace code that computes and uses
10264 regs_sometimes_live with simpler code that just walks the set of
10265 currently live registers.
10267 * Makefile.in (insn-extract.o): Fix dependencies.
10268 * genextract.c (main): Generate includes for insn-config.h and
10270 Delete generation of declarations which are now in recog.h.
10271 * genrecog.c (main): Delete generation of definitions which are
10273 * local-alloc.c (block_alloc): Use extract_insn and the variables
10274 it sets up instead of looking up values by insn_code.
10275 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
10276 recog_dup_num): Define here instead of generating the definition in
10278 (recog_n_operands, recog_n_dups, recog_n_alternatives,
10279 recog_operand_mode, recog_constraints, recog_operand_address_p):
10281 (extract_insn): New function.
10282 * recog.h (extract_insn): Declare function.
10283 (which_alternative, recog_n_operands, recog_n_dups,
10284 recog_n_alternatives, recog_operand_mode, recog_constraints,
10285 recog_operand_address_p): Declare variables.
10286 * regclass.c (n_occurrences): New static function.
10287 * reload.c (n_occurrences): Delete function.
10288 (find_reloads): Use extract_insn.
10289 * reload.h (n_occurrences): Delete declaration.
10291 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
10293 * reload1.c (reload_as_needed): Fix test for when to call
10294 update_eliminable_offsets.
10296 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10298 Fix consistency problems with reg_equiv_{mem,address};
10299 Improve reload inheritance;
10301 * reload.c (reload_out_reg): New variable.
10302 (loc_mentioned_in_p, remove_address_replacements): New functions.
10303 (remove_replacements): Deleted.
10304 (push_reload): Set reload_out_reg[i].
10305 When merging, also set reload_{in,out}_reg[i], and remove
10306 duplicate address reloads.
10307 (combine_reloads): Copy reload_out_reg[i].
10308 (find_reloads): Do make_memloc substitution also when
10309 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
10311 Include *recog_operand_loc in commutativity operand changes.
10312 Generate optional output reloads.
10313 Delete reference to n_memlocs. Don't set *recog_operand_loc before
10314 processing operands. Call make_memloc in reg_equiv_address code.
10315 Set *recog_operand_loc only after processing operands, and only
10316 if replace is true. Return a value.
10317 When changing address reload types for operands that didn't get
10318 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
10319 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
10320 Don't emit USEs for pseudo SUBREGs when not replacing.
10321 (find_reloads_address): Do make_memloc substitution also when
10322 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
10324 (find_reloads_toplev): Likewise.
10325 Call make_memloc in reg_equiv_address code.
10326 (debug_reload_to_stream): Add code to output reload_out_reg.
10327 (make_memloc): Delete local variable i, ifdefed out code, and
10328 references to memlocs and n_memlocs.
10329 (memlocs, n_memlocs): Delete.
10330 (push_secondary_reload): Clear reload_out_reg.
10331 (find_reloads_address_1): Provide memrefloc argument to all calls
10332 to find_reloads_address.
10333 In AUTO_INC code, handle non-directly addressable equivalences properly.
10334 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
10335 (find_reloads): Add return type.
10336 (remove_address_replacements, deallocate_reload_reg): Declare.
10337 * reload1.c (num_not_at_initial_offset): No longer static.
10338 (delete_address_reloads, delete_address_reloads_1): Likewise.
10339 (deallocate_reload_reg): New function.
10340 (spill_reg_stored_to): New array.
10341 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
10342 (eliminate_regs_in_insn): Move assignments of previous_offset and
10343 max_offset fields, and recalculation of num_not_at_initial_offset
10344 into new static function:
10345 (update_eliminable_offsets) .
10346 (reload_as_needed): Call update_eliminable_offsets after calling
10348 Call forget_old_reloads_1 with contents of reloaded auto_inc
10349 expressions if the actual addressing can't be changed to match the
10351 (choose_reload_regs): For inheritance, replace
10352 reload_reg_free_before_p test with reload_reg_used_at_all test, and
10353 remove stand-alone reload_reg_used_at_all test.
10354 Use reload_out_reg to determine which reload regs have output reloads.
10355 Treat reload_override_in more similar to inherited reloads.
10356 Handle (subreg (reg... for inheritance.
10357 For flag_expensive_optimizations, add an extra pass to remove
10358 unnecessary reloads from known working inheritance.
10359 Delete obsolete code for pseudos replaced with MEMs.
10360 Handle inheritance from auto_inc expressions.
10361 (emit_reload_insns): If reload_in is a MEM, set OLD to
10363 Don't reload directly from oldequiv; if it's a pseudo with a
10364 stack slot, use reload_in[j].
10365 Check that reload_in_reg[j] is a MEM before replacing reload_in
10366 from reg_reloaded_contents.
10367 Include non-spill registers in reload inheritance processing.
10368 Also try to use reload_out_reg to set spill_reg_store /
10369 reg_last_reload_reg.
10370 In code to set new_spill_reg_store, use single_set to find out if
10371 there is a single set.
10372 Add code that allows to delete optional output reloads.
10373 Add code to allow deletion of output reloads that use no spill reg.
10374 At the end, set reload_override_in to oldequiv.
10375 Also call delete_output_reload if reload_out_reg is equal to old
10377 Add code to call delete_output_reload for stores with no matching load.
10378 Set / use spill_reg_stored_to.
10379 Handle case where secondary output reload uses a temporary, but
10380 actual store isn't found.
10381 When looking for a store of a value not loaded in order to call
10382 delete_output_reload, count_occurrences should return 0 for no
10383 loads; but discount inherited input reloadill_reg_stored_to.
10384 Do checks for extra uses of REG. Changed all
10386 Use delete_address_reloads.
10387 (reload): Take return value of find_reloads into account.
10388 If a no-op set needs more than one reload, delete it.
10389 (reload_reg_free_before_p): RELOAD_FOR_INPUT
10390 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
10391 for the same operand.
10392 (clear_reload_reg_in_use): Check for other reloads that keep a
10394 (reload_reg_free_for_value_p): Handle RELOAD_FOR_OPERAND_ADDRESS /
10395 RELOAD_FOR_OPADDR_ADDR.
10396 Take into account when an address address reload is only needed
10397 for the address reload we are considering.
10398 (count_occurrences): Use rtx_equal_p for MEMs.
10399 (inc_for_reload): Return instruction that stores into RELOADREG.
10400 New argument two, IN, and rtx. Changed all callers.
10401 (calculate_needs_all_insns, reload_as_needed):
10402 Don't clear after_call for a CLOBBER.
10403 Keep track of how many hard registers need to be copied from
10404 after_call, and don't clear after_call before we have seen
10405 that much copies, or we see a different instruction.
10407 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
10409 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
10410 after reload has completed.
10412 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
10414 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
10415 a macro name and the next token with a single blank if that whitespace
10416 is in a macro buffer and the next token is not '('.
10418 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
10420 * cccp.c (rescan): Handle multibyte characters ending in backslash.
10421 (rescan): Likewise.
10422 (skip_if_group): Likewise.
10423 (skip_to_end_of_comment): Likewise.
10424 (macarg1): Likewise.
10425 (discard_comments): Likewise.
10426 (change_newlines): Likewise.
10428 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
10430 * c-lex.c (yylex): Fix unaligned access of wchar_t.
10432 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
10434 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
10435 (TARGET_OPTIONS): Add --help documentation.
10437 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10439 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
10441 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
10443 * fixinc/* Moved in from ../contrib directory in preparation
10444 for integrating it into the normal build process. In particular,
10445 fixinc/Makefile.in must be config-ed into the build directory
10446 as fixinc/Makefile. Proposed patches to ./Makefile.in and
10447 ./configure.in will be "in the mail" momentarily.
10449 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
10451 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
10452 accidently walk into the free list. Comment how that can happen.
10453 (invalidate): Fix indentation.
10455 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10456 Jeffrey A Law (law@cygnus.com)
10458 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
10459 reload. Never perform rescans of the insn chain after reload.
10460 (propagate_block): Do not delete insn or create new autoinc addressing
10461 modes after reload.
10463 * jump.c (jump_optimize): Unconditionally use the code that was
10464 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
10465 * reload1.c (reload): When reloading is finished, delete all
10466 REG_DEAD and REG_UNUSED notes.
10467 (emit_reload_insns): Delete all code that was conditional on
10468 PRESERVE_DEATH_INFO_REGNO_P.
10469 (no_longer_dead_regs): Delete variable.
10470 (reload_cse_delete_death_notes): Delete function.
10471 (reload_cse_no_longer_dead): Delete function.
10472 (reload_cse_regs_1): Delete all code to handle deletion of death
10474 (reload_cse_noop_set_p): Likewise.
10475 (reload_cse_simplify_set): Likewise.
10476 (reload_cse_simplify_operands): Likewise.
10477 (reload_cse_move2add): Likewise.
10478 * reorg.c (used_spill_regs): Delete declaration.
10479 (max_label_num_after_reload): Delete declaration.
10480 (find_dead_or_set_registers): Don't assume that spill regs are
10481 dead at a CODE_LABEL.
10482 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
10484 * sched.c (sched_analyze_insn): Likewise.
10485 (update_flow_info): Likewise.
10486 * haifa-sched.c (sched_analyze_insn): Likewise.
10487 (update_flow_info): Likewise.
10488 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
10489 * toplev.c (max_label_num_after_reload): Delete variable.
10490 (rest_of_compilation): Don't set max_label_num_after_reload.
10491 Call life_analysis after reload_cse_regs if optimizing.
10492 * config/gmicro/gmicro.h: Delete comment referring to
10493 PRESERVE_DEATH_INFO_REGNO_P.
10494 * config/i386/i386.h: Likewise.
10495 * config/m88k/m88k.h: Likewise.
10496 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
10497 * config/sh/sh.h: Likewise.
10499 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@gnu.org>
10501 * loop.c (strength_reduce): Restore marking bct_p as
10503 * rs6000.c (optimization_options): Change #ifdef HAIFA to
10504 HAVE_decrement_and_branch_on_count.
10505 (small_data_operand): Remove TARGET_ELF condition for marking
10506 parameters ATTRIBUTE_UNUSED.
10508 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
10510 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
10511 (SELECT_SECTION): Resync with svr4.h.
10513 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@gnu.org>
10515 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
10518 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
10520 * c-pragma.c (handle_pragma_token): Test for null tree before
10521 dereferencing TREE_CODE.
10523 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10525 * config/c4x/c4x.c: Convert to use GEN_INT.
10526 (c4x_parallel_process): Rework to handle new repeat loop structure.
10528 * config/c4x/c4x.md: Convert to use GEN_INT.
10529 (rptb_end): Convert to use GE test. Replace uses with clobbers.
10530 (decrement_and_branch_on_count): Likewise.
10532 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
10533 loop.c has the desired functionality.
10534 (rc_reg_operand): New prototype.
10536 * config/c4x/t-c4x: Can now build all front ends.
10538 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
10540 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
10542 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
10544 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
10545 * config/t-rtems: Do not install assert.h -- use newlib's.
10547 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10549 * combine.c (combine_instructions): When finished, call init_recog.
10550 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
10552 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
10554 * toplev.c: If flag_syntax_only, don't open or write assembler file.
10556 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10558 * cppalloc.c (memory_full): Mark function prototype with
10559 ATTRIBUTE_NORETURN.
10561 * demangle.h (collect_exit): Likewise.
10563 * fix-header.c (v_fatal, fatal): Likewise.
10565 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
10568 * gcov.c (print_usage): Likewise.
10570 * genattr.c (fatal, fancy_abort): Likewise.
10572 * genattrtab.c (fatal, fancy_abort): Likewise.
10574 * gencodes.c (fatal, fancy_abort): Likewise.
10576 * genconfig.c (fatal, fancy_abort): Likewise.
10578 * genemit.c (fatal, fancy_abort): Likewise.
10580 * genextract.c (fatal, fancy_abort): Likewise.
10582 * genflags.c (fatal, fancy_abort): Likewise.
10584 * genopinit.c (fatal, fancy_abort): Likewise.
10586 * genoutput.c (fatal, fancy_abort): Likewise.
10588 * genpeep.c (fatal, fancy_abort): Likewise.
10590 * genrecog.c (fatal, fancy_abort): Likewise.
10592 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
10593 __sjpopnthrow, __throw): Likewise.
10595 * objc/objc-act.c (objc_fatal): Likewise.
10597 * protoize.c (usage, aux_info_corrupted,
10598 declare_source_confusing): Likewise.
10600 * rtl.c (dump_and_abort): Likewise.
10602 * rtl.h (sets_cc0_p): Likewise.
10604 * toplev.c (float_signal, pipe_closed): Likewise.
10606 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
10608 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
10609 when generating the decision tree for the general case.
10611 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
10612 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
10614 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10616 * Makefile.in (sched.o): Depend on recog.h.
10618 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
10619 (unsigned) when comparing against one.
10620 (find_base_value): Likewise.
10621 (record_base_value): Cast variable `regno' to (unsigned) when
10622 comparing against one. Cast the result of REGNO() macro to
10623 (unsigned) when comparing against one.
10624 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
10626 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
10627 variable where an unsigned index is needed.
10629 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
10630 before comparing against one.
10632 * collect2.c: Add prototypes for functions `error', `fatal' and
10633 `fatal_perror'. Make these functions take variable arguments
10634 instead of faking it with a fixed number of args.
10635 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
10638 * combine.c (can_combine_p): Mark parameter `pred' with
10640 (find_split_point): Cast variable `src' to (unsigned
10641 HOST_WIDE_INT) when comparing against one.
10642 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
10643 (simplify_logical): Likewise.
10644 (force_to_mode): Cast result of INTVAL() macro to (unsigned
10645 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
10646 HOST_WIDE_INT) in shift.
10647 (simplify_and_const_int): Cast result of INTVAL() macro to
10648 `unsigned HOST_WIDE_INT' when comparing against one.
10649 (merge_outer_ops): Cast variable const0 to `unsigned
10650 HOST_WIDE_INT' when comparing against the result of
10651 GET_MODE_MASK() macro.
10652 (simplify_comparison): Likewise for variable `c0'. Cast variable
10653 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
10654 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
10655 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
10656 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
10657 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
10658 comparing against one.
10659 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
10661 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
10662 macro to `unsigned HOST_WIDE_INT' when comparing against one.
10663 (output_block_move): Cast `sizeof' expression to (int) when
10664 comparing against one.
10665 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
10667 (save_restore_insns): Cast `base_offset' to `long' to match format
10668 specifier in fprintf.
10670 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
10671 to `enum machine_mode'.
10673 * flow.c (life_analysis_1): Remove unused variable `insn'.
10675 * gcc.c (translate_options): Move variables `j' and `k' into the
10676 scope in which they are used. Change their types to `size_t'.
10677 (set_spec): Cast the argument of ctype macro to `unsigned char'.
10678 (read_specs): Likewise.
10679 (process_command): Cast `sizeof' to (int) when comparing against one.
10680 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
10681 (handle_braces): Cast both sides of `==' expression to `long' to
10682 ensure sign matching.
10683 (main): Cast variable `i' to `int' when comparing against one.
10685 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
10686 int to size_t. Cast variable `i' to size_t when comparing against
10689 * genattrtab.c (convert_set_attr_alternative): Remove unused
10690 parameter `insn_code'. All callers changed.
10691 (convert_set_attr): Likewise.
10693 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
10694 size_t when comparing against one. Likewise for variable `len'.
10696 * global.c (global_alloc): Cast variable `max_regno' to size_t
10697 when comparing against one. Likewise for variable `max_allocno'.
10699 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
10701 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
10702 `set' with ATTRIBUTE_UNUSED.
10703 (find_free_reg): Cast `sizeof' expression to (int) when comparing
10706 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
10707 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
10708 (get_condition): Cast variable `const_val' to `unsigned
10709 HOST_WIDE_INT' when comparing against one. Cast unsigned
10710 expression to HOST_WIDE_INT when comparing against one.
10711 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
10712 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
10713 `unsigned' when comparing against one.
10715 * protoize.c (is_id_char): Change type of parameter `ch' to
10717 (munge_compile_params): Cast argument of ctype macro to (const
10719 (process_aux_info_file): Cast variable `aux_info_size' to int when
10720 comparing against one.
10721 (forward_to_next_token_char): Cast argument of ctype macro to
10722 `const unsigned char'.
10723 (edit_formals_lists): Likewise.
10724 (find_rightmost_formals_list): Likewise.
10725 (add_local_decl): Likewise.
10726 (add_global_decls): Likewise.
10727 (edit_fn_definition): Likewise.
10728 (do_cleaning): Likewise.
10729 (scan_for_missed_items): Likewise.
10730 (edit_file): Cast variable `orig_size' to (int) when comparing
10732 (main): Cast argument of ctype macro to `const unsigned char'.
10734 * recog.c (const_int_operand): Mark parameter `mode' with
10737 * regclass.c (record_reg_classes): Change type of variable `c' to
10738 `unsigned char'. Cast `char' array index to `unsigned char'.
10740 * reload.c (push_secondary_reload): Cast argument to
10741 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
10743 * reload1.c (calculate_needs): Cast `char' array index to
10745 (set_label_offsets): Change type of variable `i' to unsigned int.
10746 Cast result of XVECLEN() macro to unsigned when comparing against
10748 (mark_not_eliminable): Change type of variable `i' to unsigned.
10749 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
10750 when comparing against one.
10751 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
10752 comparing against one.
10753 (choose_reload_regs): Hide unused label `fail'.
10754 (reload_cse_simplify_operands): Cast `char' array index to
10756 (reload_combine_note_store): Mark parameter `set' with
10757 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
10759 (reload_cse_move2add): Remove unused variable `src2'.
10761 * sched.c: Include recog.h.
10762 (sched_note_set): Remove unused parameter `b'. All callers
10764 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
10765 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
10766 when comparing against one.
10768 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
10769 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
10770 comparing against one.
10772 * unroll.c (precondition_loop_p): Remove unused parameter
10773 `loop_end'. All callers changed.
10775 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10777 * reload1.c (maybe_fix_stack_asms): New static function.
10780 * reload.h (compute_use_by_pseudos): Declare.
10782 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
10783 (something_needs_reloads): Delete variable.
10784 (finish_spills): New function.
10785 (compute_use_by_pseudos): New function.
10787 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
10788 Use the reload_insn_chain instead of walking the rtl directly.
10790 (reload): Allocate and free spilled_pseudos.
10791 Ensure that all calls of spill_hard_reg are followed by a call to
10793 Use the insns_need_reload list instead of something_needs_reloads
10794 to find out if reload_as_needed must be called.
10795 Clear unused_insn_chains at the end.
10797 (calculate_needs_all_insns): Lose FIRST parameter. All callers
10799 Delete code to keep track of current basic block.
10800 Walk reload_insn_chain instead of the rtl structure. Build the
10801 insns_need_reload chain.
10802 Remember which insns need reloading/elimination by setting the
10803 appropriate fields in struct insn_chain, not by putting modes on the
10806 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
10807 arg INSN. All callers changed.
10808 Delete declaration of struct needs.
10809 Don't set something_needs_reloads.
10810 Record insn needs in the CHAIN argument.
10812 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
10814 (reload_as_needed): Lose FIRST arg. All callers changed.
10815 Walk the reload_insn_chain instead of the rtx structure.
10816 Delete code to keep track of current basic block.
10817 Rename one of the NEXT variables to OLD_NEXT.
10819 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
10821 (choose_reload_regs): Likewise.
10823 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
10826 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
10827 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
10828 (hard_regs_live, hard_regs_need_restore): Delete variables.
10829 (n_regs_saved): Now static.
10830 (referenced_regs, this_insn_sets): New variables.
10832 (setup_save_areas): Restructure the code a bit.
10834 (restore_referenced_regs): Delete function.
10835 (mark_referenced_regs): New function, similar to the old
10836 restore_referenced_regs, but mark registers in referenced_regs.
10838 (clear_reg_live): Delete function.
10839 (mark_set_regs): Renamed from set_reg_live. All callers changed.
10840 Only mark registers in this_insn_sets.
10842 (save_call_clobbered_regs): Rework this function to walk the
10843 reload_insn_chain instead of using the list of instructions directly.
10844 Delete code to keep track of register lives, compute live regs on the
10845 fly from information in the chain.
10846 Instead of calling restore_referenced_regs, use mark_referenced_regs,
10847 then walk the set it computes and call insert_restore as appropriate.
10849 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
10851 Restructure the code a bit. Test hard_regs_saved instead of
10852 hard_regs_need_restore.
10853 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
10854 args. All callers changed.
10855 Restructure the code a bit. Use TO_SAVE to determine which regs to
10856 save instead of more complicated test.
10857 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
10859 Create a new insn_chain structure for the new insn and place it
10862 * rtl.texi: Update documentation to reflect that reload no longer
10863 puts modes on the insns.
10865 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
10867 * function.c (purge_addressof_1): Force the first argument of a
10868 CALL insn to memory.
10870 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
10872 * rtl.h: Delete duplicate prototypes. Add some missing
10874 * rtlanal.c (for_each_rtx): Formatting tweak.
10876 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10878 * real.c (emdnorm and etoasc): Disable round to even for c4x target
10879 to be compatible with TI compiler.
10881 * Makefile.in (USER_H): Add va-c4x.h to definition.
10883 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
10885 * function.c (purge_addressof_1): Fix typo in inequality: do
10886 bitfield optimization for equal mode sizes.
10887 * expmed.c (store_bit_field): Don't take subregs of subregs in
10888 the movstrict case. Tidy a potential problem in the multi-word case.
10889 (extract_bit_field): Likewise.
10891 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10893 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
10895 Compute max_uid_for_flow by calling get_max_uid after the scan.
10896 (find_basic_blocks_1): Don't emit NOPs here.
10898 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
10900 * alias.c (base_alias_check): Accept new args for the modes of the
10901 two references. Use them to determine if an AND can overlap. Update
10903 (memrefs_conflict_p): Assume sizes are aligned, and uses them
10904 to determine if an AND can overlap.
10906 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
10908 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
10909 check. Add comment to document problems with TARGET_SUN_FPA version
10911 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
10913 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10915 * Makefile.in (gencheck.o): Depend on gansidecl.h.
10917 * c-common.c (print_char_table): Add missing initializers.
10918 (scan_char_table): Likewise.
10919 (time_char_table): Likewise.
10921 * c-decl.c (c_decode_option): Mark parameter `argc' with
10923 (declare_parm_level): Mark parameter `definition_flag' with
10926 * c-lex.c (readescape): Use `(unsigned)1' in shift.
10927 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
10930 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
10932 (emit_call_1): Mark parameters `fndecl' and `funtype' with
10934 (expand_call): Cast result of MIN() to (unsigned int) when
10935 comparing against an unsigned value.
10937 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
10939 (make_definition): Remove unused parameter `op'. All callers
10941 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
10942 comparing against the result of pointer arithmetic.
10944 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
10945 when comparing against one.
10947 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
10948 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
10950 (output_die): Move variable `i' into the scope in which it is
10951 used. Change its type to `unsigned'.
10952 (output_die): Cast the result of `strlen' to (int) when passing it
10953 to ASM_OUTPUT_ASCII().
10954 (output_pubnames): Likewise.
10955 (output_line_info): Likewise.
10957 * emit-rtl.c (global_rtl): Add missing initializers.
10959 * explow.c (promote_mode): Mark parameter `for_call' with
10962 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
10963 `unsigned HOST_WIDE_INT' when comparing against one.
10964 (synth_mult): Change type of variable `cost' to int.
10965 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
10967 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
10968 when comparing against one.
10969 (get_inner_reference): Change variable `alignment' to unsigned.
10970 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
10971 int) when comparing against one.
10972 (expand_builtin_setjmp): Change type of variable `i' to size_t.
10974 * fold-const.c (div_and_round_double): Cast BASE to
10975 (HOST_WIDE_INT) when comparing against one.
10977 * gencheck.c: Include gansidecl.h.
10978 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
10980 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
10981 `tcode' with ATTRIBUTE_UNUSED.
10983 * real.c (edivm): Cast constant value to (unsigned long) in
10984 expression compared against an unsigned value.
10986 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
10987 comparing against one.
10988 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
10989 when comparing against one.
10991 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
10992 (unsigned int) when comparing against one. Likewise for
10994 (smallest_mode_for_size): Likewise.
10995 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
10996 (restore_storage_status): Likewise.
10998 * toplev.c (debug_args): Add missing initializer.
10999 (f_options): Spelling correction. Add missing initializers.
11000 (documented_lang_options): Likewise.
11001 (debug_end_source_file): Mark parameter `lineno' with
11004 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
11005 `decl' and `type' with ATTRIBUTE_UNUSED.
11007 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
11008 when comparing against one.
11009 (assemble_variable): Mark parameter `top_level' with
11011 (assemble_external_libcall): Mark parameter `fun' with
11013 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
11016 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
11018 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
11019 Replace use of r5 with use of r19.
11021 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
11023 * config/v850/v850.c (compute_register_save_size): Allow for the
11024 fact that helper functions save all registers, not just those used
11027 Replace constant 31 with macro LINK_POINTER_REGNUM.
11029 * config/v850/v850.md: Use 'indirect_operand' rather than
11030 'memory_operand' for bit test/set/clear patterns.
11032 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
11034 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
11035 * varasm.c (assemble_start_function et al): Don't call
11036 ASM_GLOBALIZE_LABEL for weak symbols.
11038 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
11040 * cse.c (equiv_constant): Check for NULL return from
11041 gen_lowpart_if_possible().
11043 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
11045 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
11047 * collect2.c (main): Pass -EL/-EB through to the compiler.
11049 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11051 * expr.c (push_block): Handle targets where the stack grows
11052 to higher addresses, but args grow to lower addresses and
11053 ACCUMULATE_OUTGOING_ARGS is not defined.
11055 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
11057 * config/v850/v850.c (print_operand): Extend meaning
11058 of 'c' operands to support .vtinherit.
11060 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11062 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
11063 Added ATTRIBUTE_UNUSED to unused function arguments.
11064 (rc_reg_operand): New predicate.
11065 (c4x_rptb_insert): New function.
11066 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
11067 (c4x_optimization_options): New function.
11069 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
11070 (decrement_and_branch_on_count): New pattern.
11071 (rptb_top): Modified pattern to work with BCT optimization.
11073 * config/c4x/c4x.h (RC_REG): New register class.
11074 (rc_reg_operand): Define prototype.
11075 (IS_RC_REG): New macro.
11076 (IS_RC_OR_PSEUDO_REG): New macro.
11077 (IS_RC_OR_PSEUDO_REGNO): New macro.
11078 (OPTIMIZATION_OPTIONS): Define.
11080 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
11082 * collect2.c (extract_init_priority): No priority is 65535.
11084 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
11086 * Makefile.in (build_tooldir): New variable, same as old
11087 $(tooldir), but without depending on $(libdir)/$(unlibsubdir).
11088 (GCC_FOR_TARGET): Add -B$(build_tooldir)/bin/.
11089 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Likewise.
11091 * configure.in (gxx_include_dir): Set default based on unlibsubdir.
11092 * Makefile.in (tooldir): Likewise.
11093 (cccp.o, cpplib.o): Use unlibsubdir implicitly through
11094 gxx_include_dir, includedir and tooldir.
11095 (protoize.o, unprotoize.o): Likewise.
11097 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
11099 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
11101 * config/arm/thumb.c (thumb_override_options): Add warning about
11102 PIC code not being supported just yet.
11104 Sun Oct 11 16:49:15 1998 John Wehle (john@feith.com)
11106 * flow.c: Update comment.
11107 (notice_stack_pointer_modification): New static function.
11108 (record_volatile_insns): Use it.
11109 (mark_regs_live_at_end): Mark the stack pointer as alive
11110 at the end of the function if current_function_sp_is_unchanging
11112 (life_analysis_1): Set current_function_sp_is_unchanging.
11113 * function.c: Define it.
11114 (init_function_start): Initialize it.
11115 * output.h: Declare it.
11116 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
11117 the stack pointer as alive at the end of the function if
11118 current_function_sp_is_unchanging is set.
11119 * i386.c (ix86_epilogue): Optimize the restoring
11120 of the stack pointer.
11122 Mon Oct 12 01:22:53 1998 Jeff Law (law@cygnus.com)
11124 * version.c: Bump for snapshot.
11126 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
11128 * c-pragma.c (handle_pragma_token): If passed a token instead
11129 of a tree, use that as the pack value.
11131 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
11133 * flow.c (find_basic_blocks_1): Fix prototype.
11135 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
11137 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
11138 (struct tree_decl): New fields no_check_memory_usage.
11139 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
11140 (init_attributes): Register it as a new attribute.
11141 (decl_attributes): Set flags on functions given that attribute.
11142 * c-decl.c (duplicate_decls): Merge new attribute.
11143 * expr.h (current_function_check_memory_usage): Declare new var.
11144 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
11145 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
11146 current_function_check_memory_usage.
11147 * function.h: Add field to struct function.
11148 * function.c (current_function_check_memory_usage): Define it.
11149 (push_function_context_to, pop_function_context_from): Save and
11151 (expand_function_start): Set it, based on global flag and function
11154 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
11155 check non-automatic variables, to permit detection of writes to
11156 read-only locations in embedded systems without memory management.
11157 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
11158 when emitting chkr_set_right_libfunc call, even if the argument is
11159 BLKmode or variable-sized; don't abort.
11161 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
11162 symbols in Pmode, not VOIDmode.
11164 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
11166 * cppexp.c: When forcing unsigned comparisons, cast both sides
11169 * cpphash.h: Move static declaration of hashtab[]...
11170 * cpphash.c: ...here.
11172 * cpplib.c: Cast difference of two pointers to size_t before
11173 comparing it to size_t. Cast signed to unsigned
11174 before comparing to size_t. (FIXME: struct argdata should use
11175 unsigned buffer sizes.)
11176 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
11177 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
11178 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
11179 size_t before comparison.
11181 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
11183 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
11184 (find_basic_blocks_1): Similarly.
11185 * output.h (find_basic_blocks): Fix prototype.
11186 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
11187 find_basic_blocks anymore.
11189 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
11191 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
11192 (sbitmap_free, sbitmap_vector_free): New macros.
11193 * output.h (rtl_dump_file): Declare.
11195 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
11197 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
11199 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11201 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
11202 (DFtype): Likewise.
11203 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
11204 (divide): Remove unused variable `tmp'.
11205 (si_to_float): Cast numeric constant to (SItype) before comparing
11208 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
11210 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
11211 * gcc.c (add_preprocessor_option): Correct typo when allocating
11212 memory, sizeof() argument had one too many `*'.
11213 (add_assembler_option): Likewise.
11214 (add_linker_option): Likewise.
11215 * gcov.c (output_data): Likewise.
11216 * local-alloc.c (memref_used_between_p): Likewise.
11217 (update_equiv_regs): Likewise.
11218 * loop.c (strength_reduce): Likewise.
11219 * reg-stack.c (record_asm_reg_life): Likewise.
11220 (subst_asm_stack_reg): Likewise.
11221 * reorg.c (dbr_schedule): Likewise.
11223 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
11225 * flow.c (life_analysis_1): Break out some functions.
11226 (find_basic_blocks_1): Likewise. Also move some variables out and
11228 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
11229 new static var nonlocal_label_list with it.
11230 (active_eh_region, nested_eh_region, label_value_list,
11231 nonlocal_label_list): New static variables.
11232 (make_edges, delete_unreachable_blocks, delete_block): New static
11233 functions, broken out of find_basic_blocks_1.
11234 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
11235 noop_move_p): New static functions, broken out of life_analysis_1.
11237 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
11239 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
11240 Take extra care for op0 now possibly being a subreg.
11241 (extract_bit_field): Likewise.
11242 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
11243 the reg to memory if there is no equal sized integral mode.
11244 * stor-layout.c (int_mode_for_mode): New function.
11245 * machmode.h: Prototype it.
11247 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
11249 * global.c (build_insn_chain): Verify no real insns exist past the
11250 end of the last basic block, then exit the loop.
11252 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@gnu.org>
11254 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
11256 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
11258 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
11260 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@gnu.org>
11262 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
11264 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
11266 * flow.c (find_basic_blocks): Correctly determine when a call
11267 is within an exception region.
11269 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
11271 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
11273 * cpplib.h: Protect from multiple inclusions.
11274 * cpplib.c: Fix minor formatting problems.
11276 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
11278 * jump.c (jump_optimize): Revert accidental patch.
11280 * Makefile.in (cpplib.o): Use unlibsubdir.
11282 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
11284 * loop.c (get_condition): Allow combine when either compare is
11287 Thu Oct 8 11:31:01 1998 Jeff Law (law@cygnus.com)
11289 * version.c: Bump for snapshot.
11291 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
11293 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
11294 (init_lex): Initialize ridpointers[RID_BYREF].
11295 * c-lex.h (enum rid): Add RID_BYREF.
11296 * c-parse.gperf: Add RID_BYREF as a type qualifier.
11297 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
11298 (encode_type_qualifiers): Similarly.
11299 * c-gperf.h: Rebuilt.
11301 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
11303 * c-common.c (type_for_mode): Only return TItype nodes when
11304 HOST_BITS_PER_WIDE_INT is >= 64 bits.
11305 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
11306 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
11307 (init_decl_processing): Only create TItype nodes when
11308 HOST_BITS_PER_WIDE_INT is >= 64 bits.
11309 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
11310 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
11312 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
11314 * stmt.c (n_occurrences): New static function.
11315 (expand_asm_operands): Verify that all constrains match in the
11316 number of alternatives.
11317 Verify that '+' or '=' are at the beginning of an output constraint.
11318 Don't allow '&' for input operands.
11319 Verify that '%' isn't written for the last operand.
11320 * reload.c (find_reloads): Abort if an asm is found with invalid
11321 constraints; all possible problems ought to be checked for earlier.
11323 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11325 * flags.h (flag_branch_on_count_reg): Always declare.
11326 * toplev.c (flag_branch_on_count_reg): Likewise.
11327 * toplev.c: Fix typos.
11329 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
11330 (toc4x): Similarly.
11332 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
11334 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
11336 (find_basic_blocks_1): Add a nop to the end of a basic block when
11337 a trailing call insn does not have abnormal control flow.
11338 * gcse.c (pre_transpout): New variable.
11339 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
11340 (compute_pre_transpout): Calculate it.
11341 (compute_pre_ppinout): Use it to eliminate impossible placements
11342 due to abnormal control flow through calls.
11343 (compute_pre_data): Call compute_pre_transpout.
11345 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11347 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
11349 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
11351 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
11352 and matching define_insns): Tack on a `use' of the table label, so
11353 flow analysis will recognize a tablejump.
11355 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
11357 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
11358 always end basic blocks for abnormal edge reasons.
11360 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
11362 * config/i386/i386.h: Remove definition of
11363 HANDLE_PRAGMA_PACK_PUSH_POP.
11365 * config/i386/go32.h: Add definition of
11366 HANDLE_PRAGMA_PACK_PUSH_POP.
11368 * config/i386/win32.h: Add definition of
11369 HANDLE_PRAGMA_PACK_PUSH_POP.
11371 * config/i386/cygwin32.h: Add definition of
11372 HANDLE_PRAGMA_PACK_PUSH_POP.
11374 * c-pragma.c (insert_pack_attributes): Do not insert
11375 attributes unless #pragma pack(push,<n>) is in effect.
11377 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
11379 * expr.c (emit_group_store): Handle a PARALLEL destination.
11381 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
11383 * gcse.c (pre_insert_insn): When a call ends a bb, insert
11384 the new insns before the argument regs are loaded.
11386 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11388 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
11389 (c-parse.gperf): Update comments describing invocation flags.
11390 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
11392 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
11394 * reload1.c (reload): Call free before clobbering the memory
11395 locations or constants pointers.
11397 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11399 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
11400 for efficiency by checking whether we need to modify the current
11401 stack permission at all.
11402 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
11403 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
11404 __enable_execute_stack libcall here too if
11405 TRANSFER_FROM_TRAMPOLINE is defined.
11406 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
11409 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
11411 * Makefile.in (DRIVER_DEFINES): Remove last change.
11413 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
11415 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
11416 insns we're going to copy.
11417 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
11419 * loop.c (count_one_set): Add prototype.
11421 * caller-save.c (restore_referenced_regs): Lose mode argument.
11422 (insert_save): Lose mode argument.
11423 (insert_restore): Lose mode argument.
11424 (insert_one_insn): Lose mode argument.
11425 (save_call_clobbered_regs): Lose mode argument.
11426 (setup_save_areas): Take no argument and return void. All callers
11428 Don't verify validity of memory addresses.
11429 * reload.h (setup_save_ares): Adjust prototype.
11430 (save_call_clobbered_regs): Likewise.
11431 * reload1.c (delete_caller_save_insns): New function.
11432 (caller_save_spill_class): Delete variable.
11433 (caller_save_group_size): Delete variable.
11434 (reload): Call setup_save_areas and save_call_clobbered_regs
11435 in the main loop, before calling calculate_needs_all_insns.
11436 Don't call save_call_clobbered_regs after the loop.
11437 Call delete_caller_save_insns at the end of an iteration if
11439 Delete code to manage caller_save_spill_class.
11440 Emit the final note before setting reload_first_uid.
11441 Simplify test that determines whether reload_as_needed gets run.
11442 (calculate_needs): Delete code to manage caller_save_spill_class.
11444 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
11446 * collect2.c (main): Initialize ld_file_name.
11448 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
11450 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
11451 check for flag_function_sections.
11453 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11455 * cse.c (insert_regs): Fix bug in Sep 24 change.
11457 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11459 * flags.h (flag_dump_unnumbered): Declare.
11460 * toplev.c (flag_dump_unnumbered): Don't declare.
11461 * print-rtl.c (flags.h): Include.
11462 (print_rtl_single): Add return value.
11463 * rtl.h (print_rtl_single): Update declaration.
11464 * flow.c (flag_dump_unnumbered): Don't declare.
11465 (print_rtl_with_bb): Use return value of print_rtl_single.
11467 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
11469 * loop.c (count_one_set): New static function, broken out of
11470 count_loop_regs_set.
11471 (count_loop_regs_set): Call it.
11472 * global.c (mark_reg_store): Handle clobbers here by not calling
11474 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
11475 is in fact a clobber.
11476 * integrate.c (process_reg_param): New function, broken out of
11477 expand_inline_function.
11478 (expand_inline_function): Call it.
11480 * i386.md (addsidi3_1): Delete unused variable temp.
11481 (addsidi3_2): Likewise.
11482 (clstrstrsi): Delete unused variable addr1.
11484 * rtl.h: Don't declare any functions also declared in recog.h.
11486 * Makefile.in (stupid.o): Update dependencies.
11487 (global.o): Likewise.
11489 * global.c: Include reload.h.
11490 (reg_becomes_live): New function.
11491 (reg_dies): New function.
11492 (build_insn_chain): New function.
11493 (global_alloc): Call build_insn_chain before calling reload.
11495 * reload.h (struct needs): New structure definition.
11496 (struct insn_chain): Likewise.
11497 (reload_insn_chain): Declare variable.
11498 (new_insn_chain): Declare function.
11500 * reload1.c (reload_startobj): New variable.
11501 (reload_insn_chain): New variable.
11502 (unused_insn_chains): New variable.
11503 (new_insn_chain): New function.
11504 (init_reload): Initialize reload_startobj, not reload_firstobj.
11505 (reload): Initialize reload_firstobj.
11506 Before returning, free everything on the reload_obstack.
11508 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
11509 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
11510 current_chain): New variables.
11511 (reg_where_born): Delete variable.
11512 (REG_WHERE_BORN): New macro.
11513 (find_clobbered_regs): New function.
11514 (stupid_life_analysis): Don't allocate/free reg_where_born.
11515 Allocate and free reg_where_born_exact, reg_where_born_clobber,
11516 reg_where_dead_chain.
11517 Use REG_WHERE_BORN instead of reg_where_born.
11518 While processing the insns, build the reload_insn_chain with
11519 information about register lifetimes.
11520 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
11521 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
11523 Compute and information about birth and death of pseudo registers in
11524 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
11525 Delete code to set elements of reg_where_born.
11527 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
11529 * tree.def (GOTO_EXPR): Modified documentation.
11530 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
11533 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@gnu.org>
11535 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
11536 loop_final_value, loop_comparison_code): No longer static.
11537 (unroll_loop): Delete loop_start_value update.
11538 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
11539 loop_final_value, loop_comparison_code): Extern.
11540 (loop_start_value): Delete extern.
11541 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
11542 loop_comparison_value, loop_comparison_code): Delete.
11543 (loop_optimize): Remove initialization for deleted variables.
11544 (strength_reduce): Delete analyze_loop_iterations call. Only call
11545 insert_bct if flag_branch_count_on_reg set.
11546 (analyze_loop_iterations): Delete.
11547 (insert_bct): Remove iteration count calculation. Move checks for
11548 viable BCT optimization to here. Obtain iteration count from
11549 loop_iterations and correct for unrolling. Check for enough
11550 iteration to be beneficial. Comment out runtime iteration count
11552 (insert_bct): Print iteration count in dump file. Remove
11553 loop_var_mode and use word_mode directly.
11555 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
11556 * rs6000.c (rs6000_override_options): Use it.
11557 (optimization_options): Enable use of flag_branch_on_count_reg.
11558 * rs6000.md (define_function_unit): Describe 604e.
11560 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11562 * loop.c (move_movables): Corrected threshold calculation for
11563 moved_once registers.
11565 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
11567 * loop.c (combine_givs_p): Fix test for identical givs.
11569 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
11571 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
11572 call abort if the function is already defined.
11574 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
11576 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
11577 truncation is not a no-op.
11579 Mon Oct 5 09:02:04 1998 Jeff Law (law@cygnus.com)
11581 * version.c: Bump for snapshot.
11583 Mon Oct 5 08:19:55 1998 Jeff Law (law@cygnus.com)
11585 * version.c: Bump for snapshot.
11587 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
11589 * expmed.c (expand_divmod): Don't widen for computing remainder
11590 if we seem to have a divmod pattern for needed mode.
11592 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
11594 * cpplib.c (macroexpand): Correct off-by-one error in handling
11597 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
11599 * combine.c (expand_field_assignment): Don't do bitwise operations
11600 on MODE_FLOAT; pun to MODE_INT if possible.
11602 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
11603 scott snyder <snyder@d0sgif.fnal.gov>
11605 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
11606 linker. Recognize mangled names in quotes.
11608 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11610 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
11611 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
11612 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
11613 (lshrsi3_extend, lshrsi3_extend2): Likewise.
11615 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11617 * function.c (purge_addressof_1): If trying to take a sub-word
11618 integral piece of a floating point mode, put it on the stack.
11620 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
11622 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
11624 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
11626 * PROJECTS: Remove template friends.
11628 * collect2.c (sort_ids): Remove unused variable.
11630 * tm.texi (MATH_LIBRARY): Document.
11631 (NEED_MATH_LIBRARY): Remove.
11633 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
11634 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
11636 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
11638 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
11639 last_end to 0x7fffffff.
11641 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11643 * function.c (purge_addressof_1): Do not perform endianness
11644 corrections on bitpos, who we call will do it for us.
11646 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
11648 * h8300.c (WORD_REG_USED): Fix typo.
11649 (initial_offset): Use WORD_REG_USED.
11651 * h8300.c (handle_pragma): Fix typo.
11653 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
11655 * caller-save.c (insert_save_restore): Break this function up
11656 into new functions insert_restore, insert_save and insert_one_insn.
11657 All callers changed.
11658 (insert_restore): New function, mostly broken out of
11659 insert_save_restore.
11660 (insert_save): Likewise.
11661 (insert_one_insn): Likewise.
11662 (restore_referenced_regs): New argument BLOCK. All callers changed.
11663 (save_call_clobbered_regs): Don't keep track of basic block boundaries
11664 in this function, do it in insert_one_insn instead.
11666 * reload1.c (reload): Break out some more pieces into separate
11668 (dump_needs): New function, broken out of reload.
11669 (set_initial_elim_offsets): Likewise.
11670 (init_elim_table): Likewise.
11671 (update_eliminables): Likewise.
11673 * global.c (global_alloc): Delete code to manage the scratch_list.
11674 * local-alloc.c (qty_scratch_rtx): Delete.
11675 (scratch_block): Delete.
11676 (scratch_list): Delete.
11677 (scratch_list_length): Delete.
11678 (scratch_index): Delete.
11679 (alloc_qty_for_scratch): Delete.
11680 (local-alloc): Update initialization of max_qty.
11681 Delete code to manage the scratch list.
11682 Delete code to allocate/initialize qty_scratch_rtx.
11683 (block_alloc): Don't allocate quantities for scratches.
11684 Delete code to manage the scratch list.
11685 * regs.h (scratch_list): Delete declaration.
11686 (scratch_block): Delete declaration.
11687 (scratch_list_length): Delete declaration.
11688 * reload1.c (reload): Delete code to manage the scratch list.
11689 (spill_hard_reg): Likewise.
11690 (mark_scratch_live): Delete.
11692 * recog.c (alter_subreg): Delete declaration.
11694 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
11696 * Makefile.in (cccp.o): Fix typo in last patch.
11698 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11700 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
11701 * config/sh/lib1funcs.asm (___set_fpscr): Add.
11703 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
11705 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
11706 NULL_RTX as an argument.
11708 * Makefile.in (unlibsubdir): Define.
11709 (DRIVER_DEFINES): Use unlibsubdir.
11710 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
11711 (stmp-fixinc): Similarly.
11713 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
11715 * regmove.c (regmove_optimize): Add variable old_max_uid.
11716 At the end of the function, update basic_block_end.
11718 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11720 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
11721 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
11722 arbitrary constant.
11724 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
11726 * config/arm/arm.c: Improve interworking support.
11728 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11730 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
11731 copied from reload_out[r] .
11733 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
11735 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
11736 with more than three size ranges.
11738 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
11740 * rtl.c (mode_name): Add a null string at the end of the array.
11741 (mode_wider_mode): Change type to unsigned char.
11742 (mode_mask_array): New variable.
11743 (init_rtl): Update for mode_wider_mode type change.
11745 * rtl.h (mode_wider_mode): Change type to unsigned char.
11746 (mode_mask_array): Declare.
11747 (GET_MODE_MASK): Use mode_mask_array.
11749 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
11751 * calls.c (expand_call) : Encapsulate code into
11752 copy_blkmode_from_reg.
11753 * expr.c (copy_blkmode_from_reg): New function.
11754 * expr.h (copy_blkmode_from_reg): New function.
11755 * integrate.c (function_cannot_inline_p): We can inline
11757 (expand_inline_function): Use copy_blkmode_from_reg
11758 if needed. Avoid creating BLKmode REGs.
11759 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
11762 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
11764 * config/v850/v850.c: Add function prototypes.
11765 Add support for v850 special data areas.
11767 * config/v850/v850.h: Add support for v850 special data areas.
11769 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
11770 HANDLE_PRAGMA_PACK_PUSH_POP.
11771 (push_alignment): New function: Cache an alignment requested
11772 by a #pragma pack(push,<n>).
11773 (pop_alignment): New function: Pop an alignment from the
11775 (insert_pack_attributes): New function: Generate __packed__
11776 and __aligned__ attributes for new decls whilst a #pragma pack
11778 (add_weak): New function: Cache a #pragma weak directive.
11779 (handle_pragma_token): Document calling conventions. Add
11780 support for #pragma pack(push,<n>) and #pragma pack (pop).
11782 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
11783 are defined enable HANDLE_PRAGMA_PACK.
11784 Move 'struct weak_syms' here (from varasm.c).
11785 Add pragma states for push and pop pragmas.
11787 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
11790 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
11791 HANDLE_GENERIC_PRAGMAS.
11793 * varasm.c: Move definition of 'struct weak_syms' into
11795 (handle_pragma_weak): Deleted.
11797 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
11799 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
11801 * c-decl.c (start_function): Add invocation of
11802 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
11804 * tm.texi: Remove description of non-existent macro
11805 SET_DEFAULT_SECTION_NAME.
11807 (HANDLE_SYSV_PRAGMA): Document.
11808 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
11810 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
11812 * config.sub: Recognize i[34567]86-pc-udk as new target.
11813 * configure.in: Likewise.
11814 * config/i386/t-udk: New file.
11815 * config/i386/udk.h: New file.
11817 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
11819 * reorg.c (check_annul_list_true_false): Remove unused variables.
11820 (steal_delay_list_from_target): Add missing "used_annul" variable.
11821 (try_merge_delay_insns): Close out half formed comment.
11823 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
11825 * cpplib.c (macroexpand): If arg->raw_before or
11826 arg->raw_after, remove any no-reexpansion escape at the
11827 beginning of the pasted token. Correct handling of whitespace
11828 markers and no-reexpand markers at the end if arg->raw_after.
11830 * toplev.c (documented_lang_options): Recognize -include,
11831 -imacros, -iwithprefix, -iwithprefixbefore.
11832 * cpplib.c (cpp_start_read): Process -imacros and -include
11833 switches at the same time and in command-line order, after
11834 initializing the dependency-output code. Emit properly nested
11835 #line directives for them. Emit a #line for the main file
11836 before processing these switches, and don't do it again
11839 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
11841 * function.c (purge_addressof_1): Use bitfield manipulation
11842 routines to handle mem mode < reg mode.
11844 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11846 * reorg.c (try_merge_delay_insns): Account for resources referenced
11847 in each instruction in INSN's delay list before trying to eliminate
11848 useless instructions. Similarly when looking at a trial insn's delay
11851 * reorg.c (check_annul_list_true_false): New function.
11852 (steal_delay_list_from_{target,fallthrough}): Call it and also
11853 refine tests for when we may annul if already filled a slot.
11854 (fill_slots_from_thread): Likewise.
11855 (delete_from_delay_slot): Return newly-created thread.
11856 (try_merge_delay_isns): Use its new return value.
11858 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
11860 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
11861 used to compute a giv or as some other non-counting use.
11863 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11865 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
11866 * local-alloc.c (find_free_reg): Use it.
11867 * global.c (find_reg): Likewise.
11868 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
11870 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
11871 * caller-save.c (init_caller_save): Use it.
11872 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
11874 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
11876 * configure.in: Add --enable-cpplib option which uses cpplib
11877 for cpp, but doesn't link cpplib into cc1. Make help text
11878 capitalization consistent.
11879 * configure: Rebuilt.
11881 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
11883 * function.c (gen_mem_addressof): If the address REG is
11884 REG_USERVAR_P make the new REG be so also.
11885 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
11886 in an attempt to clarify slightly.
11888 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
11890 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
11891 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
11893 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
11895 * toplev.c: Fix last patch.
11897 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
11899 * loop.c (get_condition): Fix typo in May 9 change.
11901 Tue Sep 29 11:11:38 1998 Andrew MacLeod <amacleod@cygnus.com>
11903 * invoke.texi (-fexceptions): Merge 2 different descriptions.
11905 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11907 * toplev.c (documented_lang_options): Spelling corrections.
11909 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
11911 * configure.in: New flags --with-ld and --with-as, equivalent
11912 to setting LD and AS environment variables. Test whether
11913 specified arguments are GNU commands, and report them with
11914 checking messages. Use the specified AS for configure
11916 * configure: Likewise.
11917 * acconfig.h: Add DEFAULT_ASSEMBLER and DEFAULT_LINKER.
11918 * config.in: Likewise.
11919 * gcc.c (find_a_file): When looking for `as' and `ld', return
11920 the DEFAULT program if it exists.
11921 * collect2.c (main): Use DEFAULT_LINKER if it exists.
11923 * gcc.c (find_a_file): The test for existence of a full
11924 pathname was reversed.
11926 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
11928 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
11929 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
11931 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
11933 * tree.h (TYPE_BINFO): Document.
11935 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
11937 * i386-coff.h (dbxcoff.h): Added.
11939 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
11941 * toplev.c: Fix bad patch around flag_data_sections.
11943 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
11945 * reload1.c (reload): Use reload_address_index_reg_class and
11946 reload_address_base_reg_class when setting
11947 caller_save_spill_class. (Patch generated by Jim Wilson:
11948 wilson@cygnus.com).
11950 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
11952 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
11953 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
11954 * expr.c (store_field): Add alias_set parameter. Set the
11955 MEM_ALIAS_SET accordingly, if the target is a MEM.
11956 (expand_assignment): Use it.
11957 (store_constructor_field): Pass 0.
11958 (expand_expr): Likewise.
11960 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
11962 * flags.h: Add flag_data_sections.
11963 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
11964 (compile_file): Error if flag_data_sections not supported.
11965 * varasm.c (assemble_variable): Handle flag_data_sections.
11966 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
11967 * config/mips/elf.h: Likewise.
11968 * config/mips/elf64.h: Likewise.
11969 * invoke.texi: Describe -fdata-sections.
11971 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
11973 * invoke.texi (-ffloat-store): Clarify that this option
11974 does not affect intermediate results -- only variables.
11976 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
11978 * cpp.texi: Update for Fortran usage from Craig.
11980 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@gnu.org>
11982 * rs6000.c (function_arg_boundary): Revert accidental change on
11985 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
11987 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
11988 (output_mi_thunk): Declare.
11990 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
11991 (output_function_profiler): Use r12 for temp, instead of r11 so
11992 that we preserve the static chain register.
11994 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
11996 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
11998 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12000 * sh.c (gen_shl_sext): Fix case 5.
12002 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12004 * reload1.c (reload_combine): Re-add line that got accidentally lost.
12006 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12008 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
12009 accessing variables until they are initialized via va_arg().
12011 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12013 * reload1.c (reload_combine): Initialize set before using.
12015 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
12017 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
12020 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
12022 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
12023 operand3 with mask before using it. Patch provided by Jim Wilson.
12025 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
12027 * config/sparc/sparc.c (function_value): Perform the equivalent of
12028 PROMOTE_MODE for ARCH64.
12029 (eligible_for_epilogue_delay): Allow DImode operations in delay
12030 slot of a return for ARCH64.
12032 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12034 * sh.md (sqrtsf2): Fix mode of sqrt.
12036 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12038 * reload1.c (choose_reload_regs): Also try inheritance when
12039 reload_in is a stack slot of a pseudo, even if we already got a
12042 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12044 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
12045 (reload_cse_regs): New function body: call reload_cse_regs_1,
12046 reload_combine, reload_cse_move2add.
12047 When doing expensive_optimizations, call reload_cse_regs_1 a
12048 second time after reload_cse_move2add.
12049 (reload_combine, reload_combine_note_store): New functions.
12050 (reload_combine_note_use): New function.
12051 (reload_cse_move2add, move2add_note_store): New functions.
12053 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12055 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
12056 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
12058 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
12059 more than 3 such reloads.
12061 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
12062 RELOAD_FOR_X_ADDR_ADDR reload.
12064 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12066 * expr.c (store_constructor): When initializing a field that is smaller
12067 than a word, at the start of a word, try to widen it to a full word.
12069 * cse.c (cse_insn): When we are about to change a register,
12070 remove any invalid references to it.
12072 (remove_invalid_subreg_refs): New function.
12073 (mention_regs): Special treatment for SUBREGs.
12074 (insert_regs): Don't strip SUBREG for call to mention_regs.
12075 Check if reg_tick needs to be bumped up before that call.
12076 (lookup_as_function): Try to match known word_mode constants when
12077 looking for a norrower constant.
12078 (canon_hash): Special treatment for SUBREGs.
12080 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12082 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
12083 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
12084 defined, emit libcall to __enable_execute_stack. Also fix opcodes
12085 and offsets in actual stack trampoline code so they match the
12086 commentary and actually work.
12088 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
12090 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
12092 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
12093 tmake_file. Set extra_parts to needed crt objects.
12094 * configure: Rebuilt.
12095 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
12096 (TARGET_DEFAULT): Set if default is v9 or ultra.
12097 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
12098 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
12099 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
12100 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
12101 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
12102 (TARGET_VERSION): Define.
12103 (MULTILIB_DEFAULT): Define.
12104 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
12105 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
12106 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
12108 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
12109 * config/sparc/sparc.c (sparc_override_options): If arch and
12110 pointer size disagree, emit diagnostic and fix it up. If
12111 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
12112 V8PLUS in 64-bit mode.
12113 * config/sparc/t-linux64: New file.
12114 * config/sparc/t-sol2-64: New file.
12115 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
12116 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
12117 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
12118 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
12119 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
12120 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
12122 (STARTFILE_SPEC): Set appropriately based upon those.
12123 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
12124 disposition of DEFAULT_ARCH32_P.
12125 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
12126 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
12127 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
12128 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
12129 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
12131 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
12133 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
12135 * rtl.h (init_virtual_regs): New function.
12136 * emit-rtl.c (init_virtual_regs): Define.
12137 (insn_emit): Use it.
12138 * integrate.c (save_for_inline_copying): Likewise.
12140 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
12142 * config/arm/thumb.h: The following patches were made by Jim Wilson:
12143 (enum reg_class): Add NONARG_LO_REGS support.
12144 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
12145 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
12146 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
12147 completes. Re-enable HImode REG+OFFSET addresses.
12148 (LEGITIMIZE_RELOAD_ADDRESS): Define.
12150 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
12152 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
12154 * alpha.c (get_aligned_mem): Revert Sep 20 change.
12155 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
12156 (alpha_align_insns): Properly calculate initial offset wrt max_align.
12158 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
12160 * arm.c (find_barrier): Revert change of Apr 23. Handle table
12161 jumps as a single entity, taking into account the size of the
12164 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
12166 * tree.def (SWITCH_EXPR): New tree node definition.
12168 Mon Sep 21 23:40:38 1998 Jeff Law (law@cygnus.com)
12170 * version.c: Bump for snapshot.
12172 Mon Sep 21 22:31:14 1998 Jeff Law (law@cygnus.com)
12174 * version.c: Bump for snapshot.
12176 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
12178 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
12181 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
12183 * Revert this patch.
12184 * reload.c (find_reloads): Do not replace a pseudo with
12185 (MEM (reg_equiv_addr)) in the initializing insn for the
12188 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
12190 * final.c (final_scan_insn): Disable tracking CC across branches.
12192 Mon Sep 21 17:15:26 1998 Andrew MacLeod <amacleod@cygnus.com>
12194 * expr.h (eh_rtime_match_libfunc): New extern declaration.
12195 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
12196 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
12197 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
12198 NULL. Only include <stdio.h> if inhibit_libc is not defined.
12200 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
12202 * toplev.c (rest_of_compilation): Skip compiling anything with
12203 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
12205 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
12207 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
12208 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
12209 use in_libcall_block.
12210 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
12211 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
12214 Mon Sep 21 14:02:23 1998 Robert Lipe <robertl@dgii.com>
12216 * i386.h (TARGET_SWITCHES): Improve doc for align-double. Fix
12217 typo in no-fancy-math-387 description.
12219 Mon Sep 21 09:27:18 1998 Jeff Law (law@cygnus.com)
12221 * version.c: Bump for snapshot.
12223 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
12225 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
12227 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
12229 * i386.h (TARGET_SWITCHES): Add description fields for flags
12230 documented in install.texi.
12231 (TARGET_OPTIONS): Likewise.
12233 Mon Sep 21 01:39:03 1998 Jeff Law (law@cygnus.com)
12235 * version.c: Bump for snapshot.
12237 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
12239 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
12240 * cccp.c (main): Likewise.
12242 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
12243 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
12246 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
12248 * Makefile.in (LIBS): Link in libiberty.a.
12249 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
12251 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
12253 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
12254 it to update bb boundaries. Update caller.
12255 * function.c (reposition_prologue_and_epilogue_notes): Update
12256 bb boundaries wrt the moved note.
12258 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
12260 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
12262 * configure: Regenerate.
12264 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
12266 * alpha.c (alpha_sr_alias_set): New variable.
12267 (override_options): Set it.
12268 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
12269 (mode_mask_operand): Fix signed-unsigned comparison warning.
12270 (alpha_expand_block_move): Likewise.
12271 (print_operand): Likewise.
12272 (get_aligned_mem): Use change_address.
12273 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
12274 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
12275 (alphaev4_next_nop, alphaev5_next_nop): New functions.
12276 (alpha_align_insns): Remade from old alphaev5_align_insns
12277 to handle multiple processors.
12278 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
12279 * output.h (label_to_alignment): Prototype.
12281 * tree.c (new_alias_set): New function.
12282 * tree.h (new_alias_set): Declare it.
12283 * c-common.c (c_get_alias_set): Use it.
12285 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
12287 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
12288 to an ABS expr, convert an unsigned input to signed.
12290 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
12292 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
12294 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12296 * configure.in: Add support for c4x targets.
12297 * configure: Rebuilt.
12299 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
12301 * combine.c (distribute_notes): If an insn is a cc0 user, only
12302 delete it if we can also delete the cc0 setter.
12304 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
12306 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
12307 (invert_truthvalue): Enable truthvalue inversion for
12308 floating-point operands if -ffast-math.
12310 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
12312 * configure.in: Disable collect2 for nextstep. Instead use
12314 * configure: Rebuilt.
12315 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
12316 (ENDFILE_SPEC): Define.
12317 (OBJECT_FORMAT_MACHO): Define.
12318 (EH_FRAME_SECTION_ASM_OP): Define.
12319 * crtstuff.c: Handle MACHO.
12321 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
12323 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
12325 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
12327 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
12328 (_fpadd_parts): Get sign right for 0.
12330 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12332 * ginclude/varargs.h: Add support for C4x target.
12333 * ginclude/stdargs.h: Likewise.
12335 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
12337 * alpha.c (alpha_return_addr): SET should be VOIDmode.
12338 (alpha_emit_set_long_const): Rewrite to be callable from reload
12340 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
12341 * alpha.md (movdi): Likewise.
12343 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
12345 * arm.c (add_constant): New parameter address_only, change caller.
12346 Set it non-zero if taking the address of an item in the pool.
12347 (arm_reorg): Handle cases where we need the address of an item in
12350 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
12352 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
12353 memory addresses that are not in standard canonical form.
12355 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
12357 * README.C4X: New file with information about the c4x ports.
12358 * ginclude/va-c4x.h: New file for c4x varargs support.
12359 * config/c4x: New directory with c4x port files.
12361 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
12363 * reload.c (find_reloads): Do not replace a pseudo with
12364 (MEM (reg_equiv_addr)) in the initializing insn for the
12367 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@gnu.org>
12369 * toplev.c (rest_of_compilation): Set bct_p on second call to
12371 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
12373 (strength_reduce): Only call analyze_loop_iterations and
12374 insert_bct if bct_p set.
12375 (check_dbra_loop): Fix typo.
12376 (insert_bct): Use word_mode instead of SImode.
12377 (instrument_loop_bct): Likewise. Do not delete iteration count
12378 condition code generation insn. Initialize iteration count before
12380 * rtl.h (loop_optimize): Update prototype.
12382 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
12383 not doubleword aligned.
12385 * rs6000.c (optimization_options): New function.
12386 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
12387 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
12388 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
12389 first; cr1 can be used for FP record condition insns.
12391 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
12393 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
12396 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
12399 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
12401 (block_move_call): New function: Call a library routine to copy a
12403 (m32r_expand_block_move): New function: Expand a "movstrsi"
12404 pattern into a sequence of insns.
12405 (m32r_output_block_move): New function: Expand a
12406 "movstrsi_internal" pattern into a sequence of assembler opcodes.
12407 (m32r_block_immediate_operand): New function: Return true if the
12408 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
12410 Thu Sep 17 16:42:16 1998 Andrew MacLeod <amacleod@cygnus.com>
12412 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
12413 re-align some code.
12414 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
12416 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12418 * regmove.c (copy_src_to_dest): Check that modes match.
12420 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
12422 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
12424 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
12426 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
12427 narrower than FLOAT_REGS.
12429 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
12431 * cpplib.c: Removed OLD_GPLUSPLUS_INCLUDE_DIR.
12432 * cccp.c: Likewise.
12433 * Makefile.in (old_gxx_include_dir): Removed.
12435 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
12437 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
12440 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
12441 (sh_handle_pragma): Change function arguments to match new
12442 specification for HANDLE_PRAGMA.
12444 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12446 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
12448 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
12449 When generating output, initialize missing struct member to zero.
12451 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12453 * regmove.c (copy_src_to_dest): Don't copy if that requires
12454 (a) new register(s).
12456 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12458 * global.c (reg_allocno): Now static.
12459 * reload1.c (reg_allocno): Delete declaration.
12460 (order_regs_for_reload): Take no arguments. Don't treat regs
12461 allocated by global differently than those allocated by local-alloc.
12463 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
12465 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
12466 condition, fix format strings.
12467 (output_function_epilogue): Likewise.
12469 * m68k/m68k.c: Don't include <stdlib.h> directly.
12471 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
12473 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
12474 mem_first_set, mem_last_set; because 0 can be a CUID.
12475 (oprs_unchanged_p): Use new definition.
12476 (record_last_reg_set_info): Likewise.
12477 (record_last_mem_set_info): Likewise.
12478 (compute_hash_table): Likewise.
12480 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
12482 * rs6000.c (output_epilogue): Handle Chill.
12484 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
12485 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
12487 * combine.c (make_extraction): If no mode is specified for
12488 an operand of insv, extv, or extzv, default it to word_mode.
12489 (simplify_comparison): Similarly.
12490 * expmed.c (store_bit_field): Similarly.
12491 (extract_bit_field): Similarly.
12492 * function.c (fixup_var_regs_1): Similarly.
12493 * recog.c (validate_replace_rtx_1): Similarly.
12494 * mips.md (extv, extzv, insv expanders): Default modes for most
12495 operands. Handle TARGET_64BIT.
12496 (movdi_uld, movdi_usd): New patterns.
12498 * pa.c (emit_move_sequence): Do not replace a pseudo with its
12499 equivalent memory location unless we have been provided a scratch
12500 register. Similarly do not call find_replacement unless a
12501 scratch register has been provided.
12503 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12505 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
12508 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
12510 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
12511 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
12512 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
12513 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
12514 * c-decl.c (init_decl_processing): Update accordingly.
12515 * expr.c (expand_builtin): Likewise.
12517 * rtl.h (global_rtl): Add cfa entry.
12518 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
12519 (LAST_VIRTUAL_REGISTER): Update.
12520 * emit-rtl.c (global_rtl): Add cfa entry.
12521 (init_emit): Initialize it.
12522 * function.c (cfa_offset): New.
12523 (instantiate_virtual_regs): Initialize it.
12524 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
12525 (expand_function_end): Call expand_eh_return.
12526 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
12528 * except.c (current_function_eh_stub_label): Kill.
12529 (current_function_eh_old_stub_label): Likwise; update all references.
12530 (expand_builtin_set_return_addr_reg): Kill.
12531 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
12532 (expand_builtin_set_eh_regs): Kill.
12533 (eh_regs): Produce a third reg for the actual handler address.
12534 (eh_return_context, eh_return_stack_adjust): New.
12535 (eh_return_handler, eh_return_stub_label): New.
12536 (init_eh_for_function): Initialize them.
12537 (expand_builtin_eh_return, expand_eh_return): New.
12538 * except.h: Update prototypes.
12539 * flow.c (find_basic_blocks_1): Update references to the stub label.
12540 * function.h (struct function): Kill stub label elements.
12542 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
12543 register number is one that would be in the previous window.
12544 Provide a dummy definition for non-windowed targets.
12545 (get_reg_addr): New function.
12546 (get_reg, put_reg, copy_reg): Use it.
12547 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
12548 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
12550 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
12551 (alpha_init_expanders): Initialize it.
12552 (alpha_expand_epilogue): Use it.
12553 * alpha.h: Declare it.
12554 * alpha.md (eh_epilogue): New.
12556 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
12557 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
12559 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
12561 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
12564 Tue Sep 15 14:10:54 1998 Andrew MacLeod <amacleod@cygnus.com>
12566 * except.h (struct eh_entry): Add false_label field.
12567 (end_catch_handler): Add prototype.
12568 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
12569 (start_catch_handler): When using old style exceptions, issue
12570 runtime typematch code before continuing with the handler.
12571 (end_catch_handler): New function, generates label after handler
12572 if needed by older style exceptions.
12573 (expand_start_all_catch): No need to check for new style exceptions.
12574 (output_exception_table_entry): Only output the first handler label
12575 for old style exceptions.
12576 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
12577 mechanism into one function, if a runtime matcher is provided.
12579 Tue Sep 15 13:53:59 1998 Andrew MacLeod <amacleod@cygnus.com>
12581 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
12583 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
12585 * integrate.c (copy_decl_list): Fix typo.
12587 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12589 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
12592 Mon Sep 14 14:02:53 1998 Jeff Law (law@cygnus.com)
12594 * version.c: Bump for snapshot.
12596 Mon Sep 14 10:33:56 1998 Jeff Law (law@cygnus.com)
12598 * version.c: Bump for snapshot.
12600 Mon Sep 14 09:51:05 1998 Jeff Law (law@cygnus.com)
12602 * version.c: Bump for snapshot.
12604 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12606 * invoke.texi (C Dialect Options): Put back missing @end itemize.
12608 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
12610 * configure.in: Remove usage of `!' to negate the result of a
12611 command; some common shells do not support it.
12613 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12615 * configure.in: In sparc9-sol2 config, use 'if test' not
12617 * configure: Rebuilt.
12619 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
12621 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
12622 (CPP_CPU_DEFAULT_SPEC): Likewise.
12623 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
12624 for arch64 libfuncs.
12626 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
12629 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12631 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
12633 * collect2.c: Don't declare `sys_siglist' here.
12634 (my_strsignal): Prototype and define new function. Use it in
12635 place of `sys_siglist' hacks.
12637 * mips_tfile.c: Likewise.
12639 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
12640 (GCC_NEED_DECLARATIONS): Likewise.
12642 * system.h (strsignal): Prototype it, if necessary.
12643 (sys_siglist): Declare it, if necessary.
12645 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12647 * loop.c (move_movables): While removing insn sequences, preserve
12648 the next pointer of the most recently deleted insn when we skip
12651 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
12653 * objc/config-lang.in: Do not output the name of the selected
12654 thread file when building the front-end. The Makefile for the
12655 runtime library will do this.
12657 * objc/Make-lang.in: Do not build the runtime library or install
12658 the Objective C header files. The Makefile for the runtime
12659 library will do this.
12661 * objc/Makefile.in (all.indirect): Only build the front-end.
12662 (compiler): Rename to `frontend'.
12663 (obj-runtime): Remove target.
12664 (copy-headers): Likewise.
12665 (clean): No need to remove `libobjc.a' any longer.
12667 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
12669 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
12670 supported with -mcpu=xxx.
12672 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12674 * flow.c (mark_set_1): Recognize multi-register structure return
12675 values in CALL insns.
12676 (mark_used_regs): Likewise.
12677 (count_reg_sets_1): Likewise.
12678 (count_reg_references): Likewise.
12679 * rtlanal.c (note_stores): Likewise.
12680 (reg_overlap_mentioned_p): Likewise.
12681 * haifa-sched.c (check_live_1): Likewise.
12682 (update_live_1): Likewise.
12683 (sched_analyze_1): Likewise.
12684 (sched_note_set): Likewise.
12685 (birthing_insn_p): Likewise.
12686 (attach_deaths): Likewise.
12688 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
12690 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
12692 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
12694 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12696 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
12698 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
12700 * configure.in: Add check for GAS subsection -1 support.
12701 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
12702 * configure config.in: Rebuilt.
12703 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
12704 SImode is subsection -1 works, else use DImode.
12705 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
12706 subsection -1 works.
12707 * config/sparc/sparc.c (sparc_output_addr_vec,
12708 sparc_output_addr_diff_vec): Use them if defined.
12710 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
12712 * tree.h (DECL_ORIGIN): New macro.
12713 * integrate.c (copy_and_set_decl_abstract_origin): New function.
12714 (copy_decl_list): Use it.
12715 (integrate_parm_decls): Likewise.
12716 (integrate_decl_tree): Likewise.
12717 * dwarf2out.c (decl_ultimate_origin): Simplify.
12718 * dwarfout.c (decl_ultimate_origin): Likewise.
12719 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
12720 (pushdecl): Likewise.
12722 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
12724 * config/rs6000/rs6000.c (output_epilog): Add Java support.
12726 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
12728 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
12730 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
12732 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
12733 empty or has a single entry.
12735 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
12736 before calling reg_to_stack.
12738 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
12740 * alpha.c (alphaev5_insn_pipe): Abort on default case.
12741 (alphaev5_next_group): Swallow CLOBBERs and USEs.
12743 * c-tree.h (warn_long_long): Declare it.
12745 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
12747 * emit-rtl.c (gen_lowpart_common): Disable optimization of
12748 initialized float-int union if the value is a NaN.
12750 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
12752 * c-lex.c (real_yylex): Don't warn about long long constants if
12753 we're allowing long long
12755 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12757 * except.h (current_function_eh_stub_label): Declare.
12758 (current_function_eh_old_stub_label): Declare.
12759 * function.h (struct function): New members eh_stub_label and
12761 * except.c (current_function_eh_stub_label): New variable.
12762 (current_function_eh_old_stub_label): New variable.
12763 (init_eh_for_function): Clear them.
12764 (save_eh_status): Save them.
12765 (restore_eh_status): Restore them.
12766 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
12767 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
12768 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
12769 make an edge from the block that contains it to the block starting
12770 with the label if this label is one of the eh stub labels.
12771 If eh stub labels exist, show they are reachable from the last block
12774 * reload1.c (reload): Break out several subroutines and make some
12776 (calculate_needs_all_insns): New function, broken out of reload.
12777 (calculate_needs): Likewise.
12778 (find_reload_regs): Likewise.
12779 (find_group): Likewise.
12780 (find_tworeg_group): Likewise.
12781 (something_needs_reloads): New global variable, formerly in reload.
12782 (something_needs_elimination): Likewise.
12783 (caller_save_spill_class): Likewise.
12784 (caller_save_group_size): Likewise.
12785 (max_needs): Likewise.
12786 (group_size): Likewise.
12787 (max_groups): Likewise.
12788 (max_nongroups): Likewise.
12789 (group_mode): Likewise.
12790 (max_needs_insn): Likewise.
12791 (max_groups_insn): Likewise.
12792 (max_nongroups_insn): Likewise.
12793 (failure): Likewise.
12795 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
12797 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
12799 * loop.c (load_mems): Copy rtx for output mem.
12801 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
12803 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
12804 mips1 or mips2 either.
12806 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
12808 * pa.c (pa_reorg): New marking scheme for jumps inside switch
12810 (pa_adjust_insn_length): Update to work with new marking scheme
12811 for jumps inside switch tables.
12812 * pa.md (switch_jump): Remove pattern.
12813 (jump): Handle jumps inside jump tables.
12815 * Makefile.in (profile.o): Depend on insn-config.h
12817 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
12819 * iris6.h (DWARF2_UNWIND_INFO): Undef.
12821 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12823 Add preliminary native sparcv9 Solaris support.
12824 * configure.in: Recognize sparv9-*-solaris2*
12825 * configure: Rebuilt.
12826 * config.sub: Recognize sparcv9 just like sparc64.
12827 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
12828 config/sparc/sol2-cn.asm: Macroize so it can be shared between
12829 32-bit and 64-bit Solaris systems.
12830 * config/sparc/t-sol2: Assemble those with cpp.
12831 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
12832 (*TF*_LIBCALL): If ARCH64 use V9 names.
12833 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
12835 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
12837 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
12838 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
12840 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
12842 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
12843 to Pmode if CASE_VECTOR_MODE is something else.
12845 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
12847 * prefix.c (update_path): Correctly handle cases where PATH is
12848 a substring of the builtin prefix, but specifies a different
12849 directory location.
12851 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
12853 * expr.c: Corrected comment about what MOVE_RATIO does.
12854 * config/alpha/alpha.h: Likewise.
12855 * config/1750a/1750a.h: Likewise.
12856 * config/clipper/clipper.h: Likewise.
12857 * config/i386/i386.h: Likewise.
12859 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
12861 * configure.in (m68k-next-nextstep3*): Use collect2.
12862 Similarly for x86 NeXT configurations.
12863 * configure: Rebuilt.
12865 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
12867 * configure.in: Don't assume srcdir is .../gcc.
12868 * configure: Rebuilt.
12870 Sat Sep 5 16:34:34 1998 John Wehle (john@feith.com)
12872 * global.c: Update comments.
12873 (global_alloc): Assign allocation-numbers
12874 even for registers allocated by local_alloc in case
12875 they are later spilled and retry_global_alloc is called.
12876 (mark_reg_store, mark_reg_clobber,
12877 mark_reg_conflicts, mark_reg_death): Always record a
12878 conflict with a pseudo register even if it has been
12879 assigned to a hard register.
12880 (dump_conflicts): Don't list pseudo registers already assigned to
12881 a hard register as needing to be allocated, but do list their
12883 * local-alloc.c: Update comment.
12885 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
12887 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
12888 * configure: Rebuilt.
12890 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
12892 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
12894 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
12895 for all targets that set -msoft-float.
12897 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12899 * toplev.c (print_switch_values): Make static to match prototype.
12901 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
12903 * configure.in: If we are unable to find the "gnatbind" program,
12904 then do not configure the ada subdir.
12905 * configure: Rebuilt.
12907 Sun Sep 6 14:03:58 1998 Jeff Law (law@cygnus.com)
12909 * version.c: Bump for snapshot.
12911 Sun Sep 6 13:28:07 1998 Jeff Law (law@cygnus.com)
12913 * version.c: Bump for snapshot.
12915 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12917 * Makefile.in (toplev.o): Depend on $(EXPR_H).
12918 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
12920 * gansidecl.h: Define ATTRIBUTE_NORETURN.
12922 * genattrtab.c: Have insn-attrtab.c include toplev.h.
12924 * genextract.c: Have insn-extract.c include toplev.h.
12926 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
12928 * toplev.c: Include expr.h.
12929 (really_sorry, fancy_abort): Remove prototypes.
12930 (set_target_switch): Add argument in prototype.
12931 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
12932 (v_really_sorry): Likewise.
12933 (print_version, print_single_switch, print_switch_values): Make
12934 static and add prototype arguments.
12935 (decl_printable_name): Add prototype arguments.
12936 (lang_expand_expr_t): New typedef.
12937 (lang_expand_expr): Declare as a lang_expand_expr_t.
12938 (incomplete_decl_finalize_hook): Add prototype argument.
12939 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
12940 (botch): Likewise for variable `s'.
12941 (rest_of_type_compilation): Mark variables `type' and `toplev'
12942 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
12943 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
12944 (display_help): Make variable `i' an `unsigned long'.
12945 (main): Remove unused parameter `envp'.
12946 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
12947 Cast -1 when comparing it with a `size_t'.
12949 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
12950 prototype with ATTRIBUTE_NORETURN.
12951 (fatal_insn_not_found, fatal_insn, really_sorry,
12952 push_float_handler, pop_float_handler): Add prototypes.
12953 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
12954 (do_abort, botch): Add prototypes.
12956 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
12958 * final.c (final): If a label is reached only from a single jump,
12959 call NOTICE_UPDATE_CC on the jump and its predecessor before
12960 emitting the insn after the label.
12962 * i386.h: Add AMD K6 support.
12963 Change TARGET_* macros to use table lookup.
12964 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
12965 (ADJUST_COST): Change definition to call function in i386.c.
12966 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
12967 * i386.c: Add AMD K6 support.
12968 Add constants for feature tests used by TARGET_* macros.
12969 (split_di): If before reload, call gen_lowpart and gen_highpart.
12970 (x86_adjust_cost): New function.
12971 (put_jump_code): New function.
12972 (print_operand): New codes 'D' and 'd'.
12973 * i386.md: New insn types. New insn attribute "memory".
12974 Redefine scheduling parameters to use new types and add AMD K6
12975 support. Explicitly set type of most insns.
12976 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
12977 Pro and K6 prefer movl $1,reg to incl reg.
12978 (adddi3, subdi3): Set cc_status.
12979 (DImode shift patterns): Change label counters from HOST_WIDE_INT
12980 to int; x86 can't have more than 2^31 DImode shifts per file.
12981 (setcc): Combine all setcc patterns. Allow writing memory.
12982 Combine all jump patterns using match_operator.
12983 (*bzero): Name pattern. Emit multiple stos instructions when that
12984 is faster than rep stos.
12985 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
12988 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
12990 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
12993 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
12995 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
12996 not whatever we're generating now.
12998 * alpha.c (set_frame_related_p, FRP): New.
12999 (alpha_expand_prologue): Mark frame related insns.
13000 (alpha_expand_epilogue): Likewise, but with a null FRP.
13001 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
13002 * alpha.md (exception_receiver): New.
13003 * alpha/crtbegin.asm (.eh_frame): New beginning.
13004 (__do_frame_setup, __do_frame_takedown): New.
13005 * alpha/crtend.asm (.eh_frame): New ending.
13006 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
13007 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
13008 (ASM_FILE_START): Don't emit .file for dwarf2.
13010 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
13011 * rtl.c (reg_note_name): Likewise.
13012 * rtl.texi (REG_NOTES): Likewise.
13013 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
13016 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
13018 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
13019 * i386.md (movsf, movdf, movxf): Validate memory address returned
13020 from force_const_mem. Kill useless REG_EQUAL setting code.
13022 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
13024 * m68k.md (zero_extendsidi2): Fix typo.
13026 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
13028 * configure.in: Removed references to the removed file.
13029 * config/xm-netbsd.h: Use ${cpu_type}/xm-netbsd.h for
13030 arm*-*-netbsd* and ns32k-*-netbsd*.
13031 * config/i386/xm-netbsd.h: Removed unnecessary file.
13032 * config/m68k/xm-netbsd.h: Likewise.
13033 * config/sparc/xm-netbsd.h: Likewise.
13034 * config/mips/xm-netbsd.h: Likewise.
13036 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
13038 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
13039 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
13041 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
13042 for exact section attributions.
13044 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
13046 * i386/crtdll.h (CPP_PREDEFINES): Define.
13048 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
13050 * m68k.md (5200 movqi): Do not allow byte sized memory references
13051 using address regs.
13052 * m68k.c (output_move_qimode): Do not use byte sized operations on
13055 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
13056 explicit rules for building. Similarly for alloca, vfprintf,
13057 choose-temp and mkstemp, getopt, getopt1, and obstack.
13058 (INCLUDES): Add $(srcdir)/../include.
13059 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
13060 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
13062 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
13064 * gcc.c (do_spec_1): [case 'o'] Account for
13065 lang_specific_extra_outfiles.
13066 (main): Correctly clear all slots in outfiles for
13067 lang_specific_extra_outfiles. Set input_file_number before
13068 calling lang_specific_pre_link.
13070 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
13072 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
13074 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13076 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
13078 (sparc_output_deferred_case_vectors): If no work to do, return.
13079 Fix thinko in Sept 1 change.
13081 1998-09-03 SL Baur <steve@altair.xemacs.org>
13083 * Makefile.in: Add semicolon in BISON definition for portability.
13085 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
13087 * config/nextstep.c (handle_pragma): Correct name of third
13090 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
13092 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
13093 * config/m32r/m32r.h: Make register 17 be fixed.
13094 * config/m32r/m32r.c: Use SImode for cc operations.
13096 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
13098 * invoke.texi (Warning Options): Add -Wnon-template-friend
13101 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
13103 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
13105 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@gnu.org>
13107 * rs6000.md (movsf): Disable explicit secondary-reload-like
13108 functionality if TARGET_POWERPC64.
13109 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
13112 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
13114 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
13115 and term.h from fixinc.wrap.
13117 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13119 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
13120 safe to include both string.h and strings.h together.
13121 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
13122 which headers to search for function declarations. Continue to
13123 prefer string.h over strings.h when both are not acceptable.
13125 * acconfig.h (STRING_WITH_STRINGS): Add stub.
13127 * configure.in: Call GCC_HEADER_STRING.
13129 * system.h: Test STRING_WITH_STRINGS when deciding which headers
13130 to include. Continue to prefer string.h over strings.h when both
13131 are not acceptable.
13133 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13135 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
13136 not assume top 32-bits of symbolic addresses are zero if
13139 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
13141 * ginclude/va-alpha.h: Protect entire second portion of the
13142 file against double inclusion.
13144 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
13146 Added support for the Boehm's garbage collector.
13147 * configure.in: Handle --enable-objc-gc.
13148 * configure: Rebuilt.
13149 * Makefile.in (CHECK_TARGETS): Add check-objc.
13150 (check-objc): New rule.
13151 * objc/Make-lang.in: Build a different Objective-C library that
13152 runs with the Boehm's collector.
13153 * objc/encoding.c (objc_round_acc_size_for_types): New function.
13154 * objc/encoding.c: Correctly compute the size of compound types in
13155 the presence of bitfields. Skip the variable name of the type if
13156 any. Added support for long long.
13157 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
13158 (_F_GCINVISIBLE): New mask.
13159 * objc/gc.c: New file. Compute the type memory mask associated with
13160 a class based on the runtime information.
13161 * objc/misc.c: Added the hooks that use the Boehm's collector
13162 allocation functions.
13163 * objc/objc-act.c (build_class_template): Generate a new class
13164 member (gc_object_type) to hold the class' type memory mask.
13165 (build_shared_structure_initializer): Initialize the new member to
13167 (encode_complete_bitfield): New function. Generate the new
13169 (encode_field_decl): Generate the new encoding only for the GNU
13171 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
13173 (class_get_gc_object_type): New function to mark a pointer instance
13174 variable as a weak pointer.
13175 * objc/objc-features.texi: New file.
13176 * objc/objc.h (gc_object_type): New class member.
13177 * objc/objects.c (class_create_instance): Create a typed memory
13178 object when compiled with Boehm's collector support.
13179 * objc/sendmsg.c (__objc_init_install_dtable): Call
13180 __objc_send_initialize instead of setting the initialize flag.
13181 (__objc_send_initialize): Call __objc_generate_gc_type_description
13182 to generate the class type memory mask. Rewrite the code that
13183 sends the +initialize so that it is called only once (bug report
13184 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
13185 * testsuite/objc: New testsuite for Objective-C type encoding.
13186 * testsuite/lib/objc-torture.exp: New file.
13187 * testsuite/lib/objc.exp: New file.
13189 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
13191 * jump.c (jump_optimize): In if/then/else transformations, add
13192 another call to modified_between_p for the jump insn.
13194 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
13196 * fix-header.c (symlink): Treat like readlink.
13198 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
13200 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
13203 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
13205 * config/nextstep.h: Update HANDLE_PRAGMA macro.
13206 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
13207 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
13209 * config/nextstep.c (handle_pragma): Take three arguments, as per
13210 the new HANDLE_PRAGMA macro specification.
13211 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
13212 per the new HANDLE_PRAGMA macro specification.
13213 * config/i960/i960.c (process_pragma): Take three arguments, as
13214 per the new HANDLE_PRAGMA macro specification.
13216 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
13218 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
13219 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
13220 if unknown pragmas are encountered.
13221 (handle_sysv_pragma): Interpret return code from
13222 handle_pragma_token (). Return success/failure indication rather
13223 than next unprocessed character.
13224 (pragma_getc): New function: retrieves characters from the
13225 input stream. Defined when HANDLE_PRAGMA is enabled.
13226 (pragma_ungetc): New function: replaces characters back into the
13227 input stream. Defined when HANDLE_PRAGMA is enabled.
13229 * c-pragma.c (handle_pragma_token): Return success/failure status
13232 * c-pragma.h: Change prototype of handle_pragma_token().
13234 * varasm.c (handle_pragma_weak): Only create this function if
13235 HANDLE_PRAGMA_WEAK is defined.
13237 * c-common,c (decl_attributes): If defined call the expression
13238 contained within the INSERT_ATTRIBUTES macro before adding
13239 attributes to a decl.
13241 * tm.texi (HANDLE_PRAGMA): Document the new version of
13242 HANDLE_PRAGMA, which takes three arguments.
13243 (INSERT_ATTRIBUTES): Document this new macro.
13245 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
13246 new INSERT_ATTRIBUTES macro.
13248 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13250 * config/sparc/sparc.md (movdf): Only generate special RTL for
13251 LABEL_REFs when PIC.
13252 (move_label_di): Remove.
13253 (movdi_pic_label_ref, movdi_high_pic_label_ref,
13254 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
13255 references when PIC.
13256 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
13257 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
13258 output an .xword for all 64-bit cases.
13260 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13262 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
13263 alignment, use FUNCTION_BOUNDARY instead.
13264 (sparc_output_deferred_case_vectors): Likewise.
13266 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13268 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
13269 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
13271 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
13273 * alpha/va_list.h: New file.
13274 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
13276 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
13278 * NEWS: Add SCO Openserver and Unixware 7 notes.
13282 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
13284 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
13285 (record_constant_1): Handle RANGE_EXPR.
13287 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
13289 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
13290 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
13291 and NOTE_INSN_RANGE_END specially.
13292 (reemit_notes): Likewise.
13294 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13296 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
13297 (ultrasparc_sched_init): Remove unneeded &.
13299 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
13301 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
13302 for m68020-60, to prevent the use of fintrz.
13304 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
13306 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
13308 * Makefile.in: Likewise.
13309 * configure: Regenerated.
13311 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
13313 * configure.in (gxx_include_dir): Changed to
13314 '${prefix}/include/g++'-${libstdcxx_interface}.
13315 * configure: Rebuilt.
13317 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
13319 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
13321 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
13322 *sequences* *below* which scalar moves will be used.
13324 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
13326 * collect2.c (mktemp): Delete unused declaration.
13328 * config/xm-netbsd.h: Remove unnecessary file.
13329 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
13330 file anymore, it is not needed.
13332 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
13334 * convert.c (convert_to_integer): Issue an error on conversions to
13337 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
13339 * Makefile.in: Add lang_tree_files and gencheck.h.
13340 * configure.in: Generate them.
13341 * gencheck.c: Include gencheck.h.
13343 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13345 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
13346 movdi_lo_sum_pic and movdi_high_pic and make visible.
13347 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
13348 emit these when Pmode is not SImode.
13349 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
13351 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
13353 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
13354 .linkonce directive after the first time.
13356 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
13358 * m68k.md (beq0_di): Generate correct (and more efficient) code when
13359 the clobbered operand overlaps with an input.
13360 (bne0_di): Similarly.
13362 * Makefile.in (INSTALL): Remove "--no-header" argument.
13364 * NEWS: Various updates.
13366 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13368 * config/sparc/sparc.c (arith_operand, const64_operand,
13369 const64_high_operand, arith_double_4096_operand): Mark mode as
13371 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
13373 (sparc_emit_set_const64): Remove unused variable i.
13374 (sparc_splitdi_legitimate): Likewise for addr_part.
13375 (ultra_code_from_mask): Likewise for mask.
13376 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
13377 reverse return values so it matches usage and comments.
13378 (ultra_flush_pipeline): Likewise.
13379 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
13380 this_type, and allow loads and stores of differing FP modes as
13381 they do not create a conflict.
13382 (ultra_find_type): Initialize fpmode to SFmode, fix
13383 parenthesization thinkos in large conditional.
13384 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
13385 Init free_slot_mask after ultra_cur_hist is reset, not before.
13386 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
13387 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
13388 use ultra_flush_pipeline instead, then re-init group pointer.
13389 Fix statement with no effect. If no progress made in, and no
13390 instructions scheduled at all, advance to new pipeline cycle else
13391 we get into an endless loop.
13392 (ultrasparc_adjust_cost): Remove previous arg.
13393 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
13395 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
13397 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
13398 code. Use reg_overlap_mentioned_p to detect when source and
13399 destination overlap.
13400 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
13402 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
13404 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
13405 COMPARISON_VAL, into invariant_p.
13407 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
13409 * regmove.c (regclass_compatible_p): New function.
13410 (regmove_optimize): Use it.
13412 Use NREGS parameter instead of calling max_reg_num.
13414 (fixup_match_1): Don't use code = MINUS when later tieing with
13415 a hard register is likely.
13417 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
13419 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
13420 COMPARISON_VAL was normalized.
13422 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
13424 * loop.c (check_dbra_loop): The loop ending comparison value
13425 must be an invariant or we can not reverse the loop.
13427 * loop.c (scan_loop): Count down from max_reg_num - 1 to
13428 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
13430 (load_mems_and_recount_loop_regs_set): Likewise.
13432 * i386.c (print_operand): Remove obsolete 'c' docs.
13434 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
13436 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
13437 * frame.c (init_object_mutex): New function.
13438 (init_object_mutex_once): Likewise.
13439 (find_fde): Call it.
13440 (__register_frame_info): Likewise.
13441 (__register_frame_info_table): Likewise.
13442 (__deregister_frame_info): Likewise.
13444 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
13446 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
13448 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
13450 * loop.c (check_dbra_loop): Enable code for reversal
13451 of some loops without a known constant loop end.
13453 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
13455 * haifa-sched.c (last_clock_var): New.
13456 (schedule_block): Initialize it.
13457 (schedule_insn): Use it to fill insn modes with issue information.
13459 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
13460 Tag trapb and next insn with TImode.
13461 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
13462 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
13463 Invoke alphaev5_align_insns as appropriate.
13464 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
13465 (MD_SCHED_VARIABLE_ISSUE): New.
13466 * alpha.md (attr type): Add multi.
13467 (define_asm_attributes): New.
13468 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
13469 (arg_home): Likewise.
13470 (fnop, unop, realign): New.
13472 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
13474 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
13475 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
13477 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
13478 (rs6000-ibm-aix4.[12]*): Likewise.
13479 * configure: Regenerate.
13481 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
13483 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
13484 already contains the return address.
13486 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
13488 * calls.c (expand_call): Use bitfield instructions to extract/deposit
13489 word sized hunks when loading unaligned args into registers.
13491 * haifa-sched.c (sched_analyze_insn): Only create scheduling
13492 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
13494 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
13496 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
13498 * loop.c (check_dbra_loop): Add some code that would allow reversal
13499 of some loops without a known constant loop end if it were enabled.
13501 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
13503 * mips.md (lshrsi3_internal2+2): Fix type-o.
13505 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13507 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
13508 correctly with regards to stdio.h.
13510 * calls.c: Remove stdarg.h/varargs.h.
13511 * cccp.c: Likewise.
13512 * cexp.y: Likewise.
13513 * combine.c: Likewise.
13514 * cpperror.c: Likewise.
13515 * cpplib.c: Likewise.
13516 * cpplib.h: Likewise.
13517 * doprint.c: Likewise.
13518 * emit-rtl.c: Likewise.
13519 * final.c: Likewise.
13520 * fix-header.c: Likewise.
13522 * genattr.c: Likewise.
13523 * genattrtab.c: Likewise.
13524 * gencodes.c: Likewise.
13525 * genconfig.c: Likewise.
13526 * genemit.c: Likewise.
13527 * genextract.c: Likewise.
13528 * genflags.c: Likewise.
13529 * genopinit.c: Likewise.
13530 * genoutput.c: Likewise.
13531 * genpeep.c: Likewise.
13532 * genrecog.c: Likewise.
13533 * mips-tfile.c: Likewise.
13534 * prefix.c: Likewise.
13535 * protoize.c: Likewise.
13536 * regmove.c: Likewise.
13537 * toplev.c: Likewise.
13538 * tree.c: Likewise.
13540 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
13542 * config/sparc/sparc.c (sparc_override_options): If not
13543 TARGET_FPU, turn off TARGET_VIS.
13544 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
13545 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
13546 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
13547 (movdi_insn_sp64): Add VIS fzero alternative.
13548 (clear_sf, clear_df): New VIS patterns.
13549 (movsf, movdf expanders): Allow fp_zero_operand flat out when
13551 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
13553 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
13555 * loop.c (n_times_set, n_times_used, may_not_optimize,
13556 reg_single_usage): Convert to varrays. All uses changed.
13557 (insert_loop_mem): Return a value.
13558 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
13559 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
13562 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
13565 * configure.in: Do not set thread_file to "irix" since no such
13566 support exists yet.
13568 * sparc.md (float abs/neg splits): Check reload_completed before
13569 calling alter_subreg.
13571 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13573 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
13575 * config/sparc/sparc.h: Declare it.
13576 * config/sparc/sparc.md (float abs/neg splits): Use it.
13577 (all other splits): Handle SUBREGs properly where necessary.
13578 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
13580 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
13582 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
13583 an insn on the unfilled_slots_list that has no delay slots.
13584 (fill_eager_delay_slots): Similarly.
13586 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
13588 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
13589 as an ordinary operand.
13591 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
13593 * tree.c (valid_machine_attribute): Don't apply attributes to both
13596 Tue Aug 25 12:23:20 1998 Richard Henderson <rth@cygnus.com>
13598 * reload.c (operands_match_p): Handle rtvecs.
13600 * i386.c (legitimate_pic_address_disp_p): New.
13601 (legitimate_address_p): Use it.
13602 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
13603 Handle constant pool symbols just like statics.
13604 (emit_pic_move): Use Pmode not SImode for clarity.
13605 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
13606 [UNSPEC]: New, handling what we killed above.
13607 [PLUS]: Detect and abort on invalid symbol arithmetic.
13608 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
13610 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
13612 * alias.c: Include output.h.
13613 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
13614 different if we're in a varargs function.
13615 * Makefile.in (alias.o): Depend on output.h
13617 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
13619 * sh.h (GIV_SORT_CRITERION): Delete.
13621 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
13623 * regclass.c (regclass): Use xmalloc/free instead of alloca.
13624 * stupid.c (stupid_life_analysis): Likewise.
13625 * reload1.c (reload): Likewise.
13627 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
13629 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
13630 arith_double_4096_operand, arith_double_add_operand): New
13632 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
13633 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
13634 them to transform add/sub 4096 into add/sub -4096.
13636 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13638 * loop.c (scan_loop): Allocate some slop to handle pseudos
13639 generated by move_movables.
13640 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
13643 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
13645 * tree.def (DECL_RESULT): Correct documentation.
13647 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
13649 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
13650 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
13651 conflicts will all RELOAD_FOR_OUTPUT reloads.
13653 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
13654 loads the function result, substitute with a USE.
13656 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@gnu.org>
13658 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
13659 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
13660 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
13661 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
13662 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
13663 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
13665 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
13666 'o' to 'm' for GPR variant constraints.
13668 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
13670 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
13672 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
13674 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
13675 when the source and destination overlap.
13677 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
13678 clash with global type.
13680 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
13682 * fixinc.irix: Add curses.h handling from fixinc.wrap.
13684 * c-common.c (combine_strings): Also set TREE_READONLY.
13685 Change warn_write_strings to flag_const_strings.
13686 * c-decl.c, c-tree.h: Likewise.
13688 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13690 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
13691 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
13692 sequence, use SET/IOR instead so CSE can see it.
13693 * config/sparc/sparc.md (movhi_const64_special,
13694 movsi_const64_special): New patterns necessitated by that change.
13695 (movhi_high): Remove.
13696 (movhi_lo_sum): Change to match an IOR.
13697 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
13698 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
13699 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
13700 (movdf splits): Allow when not V9 or when not ARCH64 and integer
13701 registers are involved.
13702 (snesi_zero_extend split): Remove reload_completed test.
13703 (unnamed plus and minus zero_extend sidi splits): Add it.
13705 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
13707 * extend.texi: Remove description of extension to explicit
13708 instantiation that is now endorsed by standard C++.
13710 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13712 * config/arc/arc.c (arc_initialize_pic): Remove.
13713 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
13714 nothing on any platform and is invoked by no-one, it does not even
13715 appear in the documentation.
13716 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
13717 * config/sparc/sparc.c (initialize_pic): Likewise.
13718 (find_addr_reg): Remove this as well, no longer referenced after
13721 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
13723 * recog.c (validate_replace_rtx_group): New function.
13724 * recog.h (validate_replace_rtx_group): Declare it.
13725 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
13726 the entire group of substitutions.
13728 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
13730 * loop.c (load_mems): Fix initializers.
13732 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13734 * config/sparc/sparc.md (TFmode splits): Handle destination
13735 registers being referenced in the address correctly.
13737 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
13738 TREE_UNSIGNED, when bitsize of type's mode is larger than
13739 HOST_BITS_PER_WIDE_INT.
13741 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
13743 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
13744 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
13745 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
13747 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
13750 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
13752 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
13753 * h8300.h (TINY_DATA_NAME_P): Likewise.
13754 (STRIP_NAME_ENCODING): Handle '&'.
13756 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
13757 register (it could be accessed via an outer SUBREG).
13758 (REG_OK_FOR_BASE_P): Likewise.
13759 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
13761 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
13764 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
13766 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13768 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
13769 must be offsettable so the splits can be made.
13771 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
13773 * config/i386/winnt.c: Include system.h, not stdio.h to get
13774 sys/param.h pulled in before rtl.h in case the system defines MIN
13777 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@gnu.org>
13779 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
13781 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
13783 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
13785 * cpplib.c (cpp_define): Handle macros with parameters.
13787 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@gnu.org>
13789 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
13790 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
13791 and DImode 64-bit. Use llong for minimal-toc SFmode and
13792 SYMBOL_REF / LABEL_REF 64-bit.
13793 (output_function_profiler): Use llong for profiler label and ld to
13794 load 64-bit label address.
13796 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
13798 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
13801 Wed Aug 19 14:13:31 1998 Jeff Law (law@cygnus.com)
13803 * version.c: Bump for snapshot.
13805 Wed Aug 19 13:10:30 1998 Jeff Law (law@cygnus.com)
13807 * version.c: Bump for snapshot.
13809 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
13811 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
13813 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
13815 * tm.texi (Misc): Fix typo "teh".
13817 * tm.texi (PIC): Fix typo "PPIC".
13819 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
13820 effect when -O2 and higher.
13821 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
13823 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
13825 * regclass.c: Changed register set documentation to be consistent
13828 * final.c (final_start_function): Removed redundant test for
13831 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
13833 * rtl.h (rtx_function): New type.
13834 (for_each_rtx): New function.
13835 * rtlanal.c (for_each_rtx): Define it.
13837 * recog.c (change_t): New type.
13838 (change_objects, change_old_codes, change_locs, change_olds):
13840 (changes): New variable.
13841 (validate_change): Dynamically allocate room for more changes, if
13842 necessary. Uses changes array instead of change_objects, etc.
13843 (apply_change_group): Use changes array instead of
13844 change_objects, etc.
13846 * loop.c (loop_mem_info): New type.
13847 (loop_mems): New variable.
13848 (loop_mems_idx): Likewise.
13849 (looop_mems_allocated): Likewise.
13850 (scan_loop): Remove nregs parameter.
13851 (next_insn_in_loop): New function.
13852 (load_mems_and_recount_loop_regs_set): Likewise.
13853 (load_mems): Likewise.
13854 (insert_loop_mem): Likewise.
13855 (replace_loop_mem): Likewise.
13856 (replace_label): Likewise.
13857 (INSN_IN_RANGE_P): New macro.
13858 (loop_optimize): Don't pass max_reg_num() to scan_loop.
13859 (scan_loop): Remove nregs parameter, compute it after any new
13860 registers are created by load_mems. Use INSN_IN_RANGE_P and
13861 next_insn_in_loop rather than expanding them inline. Call
13862 load_mems to load memory into pseudos, if appropriate.
13863 (prescan_loop): Figure out whether or not there are jumps from the
13864 loop to targets other than the label immediately following the
13865 loop. Call insert_loop_mem to notice all the MEMs used in the
13866 loop, if it could be safe to pull MEMs into REGs for the duration
13868 (strength_reduce): Use next_insn_in_loop. Tweak comments.
13870 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
13872 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
13874 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13876 * config/sparc/sparc.c (finalize_pic): Check for the correct
13877 nonlocal_goto_receiver UNSPEC number.
13878 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
13879 making note of this dependency existing in sparc.c.
13880 (negtf2_notv9 split): Give NEG SFmode.
13881 (negsf2): Fix insn output string.
13883 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
13885 * c-common.c (decl_attributes): Issue an error if the argument
13886 to alias is not a string.
13888 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
13890 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
13891 pending memory flush list.
13893 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
13895 (try_combine): Allow combining insns with REG_LIBCALL notes.
13897 * expr.c (emit_block_move): Do not call memcpy as a libcall
13898 instead build up a CALL_EXPR and call it like any other
13900 (clear_storage): Similarly for memset.
13902 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
13905 * Makefile.in (cplus-dem.o): Provide explicit rules for building
13908 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
13909 and REG_LIVE_LENGTH as successful substitutions are made.
13911 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13913 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
13914 statement after end of loop label.
13916 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13918 * config/sparc/sparc.c (ultra_types_avail): New variable.
13919 (ultra_build_types_avail): New function to record mask of insn
13920 types in ready list at this cycle.
13921 (ultrasparc_sched_reorder): Call it.
13922 (ultra_find_type): Use it to quicken the search. Also simplif
13923 dependency check, don't use rtx_equal_p because we know exactly
13924 what we are looking for.
13926 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
13928 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
13929 for architecture v4.
13931 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13933 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
13935 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
13936 movdf_const_intreg and helper splits): New patterns to move float
13937 constants into integer registers.
13938 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
13941 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
13944 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
13946 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
13948 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
13949 a BASE_REGS register is needed as an intermediate when copying
13950 a symbolic value into any register class other than BASE_REGS.
13952 * expr.c (move_by_pieces): No longer static. Remove prototype.
13953 * rtl.h (move_by_pieces): Add extern prototype.
13954 * mips.c (expand_block_move): Handle aligned straight line copy by
13955 calling move_by_pieces.
13957 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
13960 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
13962 * stmt.c (expand_end_loop): Tidy. Allow unconditional
13963 jumps out of the loop to be treated as part of the exit test.
13965 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13966 Jeff Law <law@cygnus.com>
13968 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
13969 * cplus-dem.c: Delete.
13971 * Makefile.in (fold-const.o): Depend on $(RTL_H).
13973 * fold-const.c: Include rtl.h to get the prototype for
13974 `set_identifier_local_value'.
13976 * loop.c (express_from_1): Remove unused variable `tmp'.
13977 (combine_givs): Cast the first argument of bzero to char *.
13979 * toplev.c (display_help): Remove unused variable `looking_for_start'.
13981 * c-decl.c (init_decl_processing): Remove unneeded &.
13983 * alpha.h (alpha_initialize_trampoline): Provide prototype.
13985 * except.c (set_exception_lang_code, set_exception_version_code):
13986 Change parameter from `short' to `int' to avoid using a gcc
13989 * except.h (set_exception_lang_code, set_exception_version_code):
13990 Likewise for prototypes.
13992 * flow.c (count_reg_references): Remove unused variables `regno'
13995 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
13997 * prefix.c (translate_name): Cast the result of `alloca'.
13999 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
14001 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
14003 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
14004 Include "toplev.h".
14005 (valid_dbcc_comparison_p): Mark mode argument as unused.
14006 (symbolic_operand): Likewise.
14007 (legitimize_pic_address): Likewise.
14008 (const_uint32_operand): Likewise.
14009 (const_sint32_operand): Likewise.
14010 * sched.c [!INSN_SCHEDULING]: Define only dummy function
14011 schedule_insns and comment out rest of file.
14013 * m68k.c (output_move_simode_const): Use subl to move a zero into an
14015 (output_move_[hq]imode): Likewise.
14017 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
14019 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
14020 * invoke.texi: Corresponding changes.
14022 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
14024 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
14026 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14028 * config/sparc/sparc.c (ultra_code_from_mask,
14029 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
14030 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
14031 ultrasparc_sched_init, ultrasparc_variable_issue,
14032 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
14033 functions to describe UltraSPARC pipeline exactly to Haifa.
14034 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
14035 as there is nothing the scheduler can do about it. Indicate that
14036 REG_DEP_OUTPUT's collide. Fixup formatting.
14037 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
14038 divide costs on Ultra for DImode.
14039 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
14041 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
14042 ieuN and add call_no_delay_slot to type list.
14043 (cti function unit): New unit for branches on UltraSPARC.
14044 (subx/addx insns): Set type to misc.
14045 (sidi zero/sign extension insns on arch64): Set type to shift.
14046 (sign_extendhidi2_insn): Set type to sload.
14048 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@gnu.org>
14050 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
14051 (output_epilog): Use if != 0 for offset.
14052 (rs6000_fatal_bad_address): Prepare for Intl.
14053 * rs6000.h (rs6000_fatal_bad_address): Declare.
14054 * rs6000.md (movsfcc, movdfcc): Use else if.
14055 (elf_high): Use {liu|lis}.
14056 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
14057 (movsi): Use rs6000_fatal_bad_address.
14059 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
14061 * reload.c (find_equiv_reg): Reject equivalences separated
14062 by a volatile instruction.
14064 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14066 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
14068 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
14070 * alpha.md (movsicc): Fix mode mismatch.
14072 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
14074 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
14076 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
14078 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14080 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
14081 write-only modifier from operand 1 constraint.
14083 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14085 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
14086 emitting a XOR of -1 at the end, emit a NOT instead for combine's
14088 (sparc_emit_set_const64): Likewise, also when computing trailing
14089 bits do not negate low_bits and make fast_int an int.
14091 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
14093 * loop.c (add_label_notes): Do not ignore references to labels
14094 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
14095 * gcse.c (add_label_notes): Similarly.
14097 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
14099 * m68k.md (adddi_dilshr32): One of the operands must be a register.
14100 (adddi_dishl32): Similarly.
14102 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
14104 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
14105 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
14106 * cse.c (cse_basic_block): Add parens to shut up warnings.
14108 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14110 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
14111 sparc_emit_set_const64_longway, const64_is_2insns,
14112 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
14113 in 64-bit constant formation.
14114 * config/sparc/sparc.md (snesi_zero_extend split): Generate
14115 rtl for addx not subx.
14116 (define_insn movdi_const64_special): Make available even when
14117 HOST_BITS_PER_WIDE_INT is not 64.
14118 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
14119 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
14120 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
14121 instances of operand 1 inside a QI subreg.
14122 (xordi3_sp64_dbl): Remove '%' constraint for op1.
14123 (one_cmpldi2_sp64): Fix output string.
14124 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
14126 (unnamed arch64 ashift DI): Truncate shift count if greater than
14129 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
14131 * expr.c (store_expr): Don't optimize away load-store pair
14132 when either source or destination have a side effect.
14134 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
14136 * genrecog.c (add_to_sequence): Fatal error if the modes of the
14137 operands of SET are incompatible.
14139 * alpha.md: Fix max and min patterns so modes of SET operands match.
14141 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
14143 * configure.in: Avoid [[ by using test and changequote.
14144 * configure: Rebuild.
14146 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14148 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
14150 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
14151 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
14152 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
14153 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
14154 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
14155 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
14156 Fix mismatching modes in SET operands.
14157 (conditional move patterns): Fix formatting.
14158 (unnamed subx arch64 pattern): Remove duplicate insn.
14160 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14162 * config/sparc/sparc.c (const64_operand, const64_high_operand):
14163 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
14164 (input_operand): Fixup test for what we accept for constant
14166 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
14168 (safe_constDI): Remove.
14169 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
14170 gen_safe_XOR64): New functions.
14171 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
14172 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
14174 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
14175 available when HOST_BITS_PER_WIDE_INT is not 64.
14176 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
14177 move before movdi_insn_sp64 pattern.
14178 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
14179 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
14180 symbolic_operand as predicate for second operand.
14181 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
14182 expander): Give set VOIDmode.
14184 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
14186 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
14188 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
14190 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
14192 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
14194 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
14196 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
14198 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
14200 * install.texi: Various SCO OpenServer tweaks.
14202 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
14204 * reload1.c (eliminate_regs_in_insn): Handle another case when
14205 eliminating the frame pointer to the hard frame pointer. Add
14206 missing ep->to_rtx check to one existing case.
14208 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
14210 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
14212 * tree.h: De-conditionalize init_priority code.
14214 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
14215 * collect2.c (NM_FLAGS): Change from -p to -n.
14217 * configure.in: Turn on collect2 for mipstx39-elf.
14218 Handle use_collect2=no properly.
14220 * c-common.c: De-conditionalize init_priority code.
14221 * collect2.c (extract_init_priority, sort_ids): New fns.
14222 (main): Call sort_ids.
14223 Move sequence_number to file scope.
14225 * configure.in: Handle --enable-init-priority.
14226 * c-common.c (attrs): Add A_INIT_PRIORITY.
14227 (init_attributes, decl_attributes): Likewise.
14228 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
14229 * tree.c (get_file_function_name_long): Split out...
14230 (get_file_function_name): ...from here.
14232 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
14234 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
14237 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
14239 * toplev.c (display_help): Add braces to shut up warnings.
14240 * tree.c (simple_cst_equal): Likewise.
14242 * fold-const.c (non_lvalue): Don't deal with null pointer
14244 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
14246 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
14247 of any size to a pointer.
14249 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
14251 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
14253 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
14255 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
14256 which will be saved.
14257 * mn10300.md (prologue insn): Only save registers which need saving.
14258 (epilogue insn): Similarly.
14260 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
14263 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
14265 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
14266 VAR_DECL's in gp addressable sections.
14268 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
14270 * sparc.c: Change return <exp> to <exp>; return; in functions
14272 * sparc.md: Add empty semicolon statement after final label in
14275 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14277 * config/sparc/sparc.md (define_insn addx_extend): Rename to
14278 addx_extend_sp64, only allow when TARGET_ARCH64.
14279 (define_insn addx_extend_sp32 and split): Version that works when
14281 (define_insn subx_extend): Likewise.
14282 (define_split adddi3 and subdi3 with zero extension): Fixup and
14283 correct bugs when not TARGET_ARCH64.
14285 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
14287 * except.c (set_exception_lang_code, set_exception_version_code):
14288 Use prototype-style definition if __STDC__, to match declaration
14291 * genemit.c: Change FAIL and DONE macros not to use loops.
14293 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
14295 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
14296 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
14298 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
14300 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
14302 * README.g77: Update from Craig.
14304 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14306 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
14307 type HOST_WIDE_INT.
14308 (safe_constDI sparc_emit_set_const64_quick1,
14309 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
14310 analyze_64bit_constant, const64_is_2insns,
14311 create_simple_focus_bits): Fix some bugs when compiled on real
14313 (function_arg_record_value_3, function_arg_record_value_2,
14314 function_arg_record_value): Add fully prototyped forward decls.
14315 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
14316 to cmpsi_insn and use on both 64 and 32 bit targets.
14317 (define_insn cmpsi_insn_sp64): Remove.
14318 (define_expand zero_extendsidi2): Allow for 32-bit target too.
14319 (define_insn zero_extendsidi2_insn): Rename to
14320 zero_extendsidi2_insn_sp64.
14321 (define_insn zero_extendsidi2_insn_sp32): New pattern and
14322 associated forced split for it.
14324 * config/sparc/sparc.c (const64_operand, const64_high_operand):
14326 * config/sparc/sparc.h: Declare them.
14327 (PREDICATE_CODES): Add them.
14328 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
14329 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
14331 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
14333 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
14334 in v9 case as the latter makes the Solaris assembler crash.
14336 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14338 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
14339 for TFmode when !v9. We require offsettable memory addresses.
14340 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
14341 DFmode register number conversions.
14342 * config/sparc/sparc.md (define_split DFmode moves): If register
14343 is a SUBREG do alter_subreg on it before using.
14344 (define_expand movtf): Fixup comment about alignment on v9.
14345 (define_split TFmode moves): Don't use gen_{high,low}part, create
14346 explicit SUBREGs instead.
14348 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
14350 * Makefile.in (mbchar.o): Depend on mbchar.c.
14352 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14353 Richard Henderson <rth@cygnus.com>
14355 Rewrite Sparc backend for better code generation and
14356 improved sparc64 support.
14357 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
14359 * config/sparc/sysv4.h: Likewise.
14360 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
14361 move_operand, v8plus_regcmp_op, emit_move_sequence,
14362 singlemove_string, doublemove_string, mem_aligned_8,
14363 output_move_double, output_move_quad, output_fp_move_double,
14364 move_quad_direction, output_fp_move_quad, output_scc_insn):
14366 (small_int_or_double): New predicate.
14367 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
14368 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
14369 old pic_{sethi,lo_sum}_si patterns.
14370 (mem_min_alignment): New generic function to replace
14371 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
14372 available and can test for arbitrary alignments. All callers
14374 (save_regs, restore_regs, build_big_number,
14375 output_function_prologue, output_cbranch, output_return,
14376 sparc_flat_save_restore, sparc_flat_output_function_prologue,
14377 sparc_flat_output_function_epilogue): Prettify
14379 (output_function_epilogue): Likewise and add code to output
14380 deferred case vectors.
14381 (output_v9branch): Likewise, add new arg INSN and use it to tack
14382 on branch prediction settings. All callers changed.
14383 (print_operand): Likewise and output %l44 for LO_SUMs when
14385 (sparc_splitdi_legitimate): New function to make sure DImode
14386 splits can be run properly when !arch64.
14387 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
14388 Reformat example code in comments.
14389 (set_extends): Remove UNSPEC/v8plus_clear_high case.
14390 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
14391 of deferred case vectors we need to output.
14392 (sparc_defer_case_vector): Record a case vector.
14393 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
14394 sparc_output_deferred_case_vectors): New functions to output them.
14395 (sparc_emit_set_const32): New function to form 32-bit constants in
14396 registers when that requires more than one instruction.
14397 (safe_constDI, sparc_emit_set_const64_quick1,
14398 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
14399 analyze_64bit_constant, const64_is_2insns,
14400 create_simple_focus_bits, sparc_emit_set_const64): New functions
14401 which do the same for 64-bit constants when arch64.
14402 (sparc_emit_set_symbolic_const64): New function to emit address
14403 loading for all code models on v9.
14404 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
14405 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
14406 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
14407 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
14408 inaccuracies in comments, add symbolic and text_segment operands
14409 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
14410 GENERAL_REGS in these cases as a temp REG is needed to load these
14411 addresses into a register properly.
14412 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
14414 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
14415 quads are guaranteed to have 16-byte alignment.
14416 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
14417 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
14418 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
14419 deferred case vector implementation.
14420 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
14421 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
14422 Generate "internal label - label" instead of "label - 1b".
14423 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
14424 (PREDICATE_CODES): Remove sparc_operand, move_operand,
14425 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
14427 (doublemove_string, output_block_move, output_fp_move_double,
14428 output_fp_move_quad, output_move_double, output_move_quad,
14429 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
14430 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
14431 (sparc_emit_set_const32, sparc_emit_set_const64,
14432 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
14433 mem_min_alignment, small_int_or_double): Add externs.
14434 * config/sparc/sparc.md: Document the many uses of UNSPEC and
14435 UNSPEC_VOLATILE in this backend.
14436 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
14437 unary to types which execute in it.
14438 (define_function_unit ieu_shift): Rename to ieu0.
14439 (define_function_unit ieu1): New, executes compare, call, and
14440 uncond_branch type insns.
14441 (define_function_units for type fdivs, fdivd, fsqrt): These
14442 execute in the fpu multiply unit not the adder on UltraSparc.
14443 (define_expand cmpdi): Disallow TARGET_V8PLUS.
14444 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
14445 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
14446 allows the arith_double_operand predicate and rHI constraint when
14448 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
14449 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
14450 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
14451 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
14452 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
14453 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
14454 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
14455 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
14456 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
14457 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
14458 sign_extendqihi2_insn, sign_extendqisi2_insn,
14459 sign_extendqidi2_insn, sign_extendhidi2_insn,
14460 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
14461 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
14462 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
14463 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
14464 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
14465 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
14466 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
14467 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
14468 smulsi3_highpart_v8plus, unnamed subreg mult,
14469 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
14470 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
14471 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
14472 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
14473 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
14474 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
14475 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
14476 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
14477 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
14478 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
14479 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
14480 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
14481 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
14482 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
14483 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
14484 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
14485 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
14486 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
14487 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
14488 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
14489 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
14490 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
14491 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
14492 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
14493 call_address_untyped_struct_value_sp32,
14494 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
14495 call_value_symbolic_sp32, call_value_address_sp64,
14496 call_value_symbolic_sp64, branch_sp32, branch_sp64,
14497 flush_register_windows, goto_handler_and_restore,
14498 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
14499 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
14500 return_addsi, return_di, return_adddi, return_sf, all call+jump
14501 peepholes, trap, unnamed trap insns): Prettify output strings.
14502 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
14503 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
14504 Likewise and force + implement splits for integer cases.
14505 (define_insn return_sf_no_fpu): Likewise and allow to match when
14506 no-fpu because of our subreg SFmode splits.
14507 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
14508 zero_extendqidi2_insn, zero_extendhidi2_insn,
14509 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
14510 input_operand for second operand.
14511 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
14512 reg_or_0_operand for operand 2 so new splits can use it.
14513 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
14514 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
14516 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
14517 CONST_DOUBLEs for operand 2.
14518 (define_insn move_label_di): Likewise and label distance
14519 optimization because it no longer works with new deferred case
14520 vector scheme. To be revisited.
14521 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
14522 and allow reg_or_0_operand and J constraint for second operand.
14523 (define_insn jump): Set branch predict taken on V9.
14524 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
14525 new deferred case vector scheme.
14526 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
14527 (define_insn negdi2_sp32): Force + implement splits.
14528 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
14529 one_cmplsi2_not_liveg0 respectively, and create expander of original
14530 names which emit special rtl for TARGET_LIVE_G0.
14531 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
14532 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
14533 gen_compare_reg, FAIL instead.
14534 (define_insn sgtu, sleu): Likewise and check gen_s*() return
14535 values when trying to reverse condition codes, if they FAIL then
14537 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
14538 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
14539 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
14540 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
14541 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
14542 set output string to # to indicate they are mandatory splits.
14543 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
14544 pic_sethi_di, move_pic_label_si): Remove.
14545 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
14546 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
14548 (define_expand movsi_pic_label_ref, define_insn
14549 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
14550 expander and insns to handle PIC label references and deferred
14552 (define_insn get_pc_via_rdpc): Comment out as it is no longer
14554 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
14555 Rewrite to not use emit_move_sequence, make use of new constant
14556 formation code, and new splits for all multi-insn cases.
14557 (define_insn movqi_insn): Remove sethi case, it can never happen.
14558 Use reg_or_zero_operand instead of const0_rtx explicit test,
14559 use input_operand instead of move_operand for source, and use
14560 general_operand now for dest.
14561 (define_insn movhi_insn): Similar but leave sethi case.
14562 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
14563 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
14564 movhi_lo_sum respectively, prettify output string.
14565 (define_insn movsi_zero_liveg0): New pattern to put zero into a
14566 register when needed on TARGET_LIVE_G0.
14567 (define_insn movsi_insn): Use general_operand and input_operand
14568 for dest and src respectively. Simplify applicability test.
14569 Prettify output strings, and add clr alternative for J
14571 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
14572 deprecated std and reg-reg DI moves): Remove and...
14573 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
14574 implementation which uses forced splits for all non-single insn
14576 (define_split DI move cases on !arch64): New splits to handle all
14577 situations of 64-bit double register DImode on 32bit, and
14578 unaligned registers and memory addresses for all subtargets.
14579 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
14581 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
14582 input_operand for dest and src respectively, prettify output
14584 (define_insn movdf_insn, movdf_no_e_insn, store_df,
14585 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
14587 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
14588 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
14589 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
14590 movtf_no_e_insn_sp64): Replace with new
14591 implementation which uses forced splits for all non-single insn
14593 (define_split DF move cases): New splits in similar vein to DI
14595 (define_insn sethi_di_medlow, sethi_di_medium_pic,
14596 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
14597 movdi_sp64_insn): Remove old v9 code model and constant loading
14598 support insns and..
14599 (define_insn pic_lo_sum_di, pic_sethi_di,
14600 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
14601 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
14602 embmedany_sethi, embmedany_losum, embmedany_brsum,
14603 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
14604 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
14605 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
14606 scheme, using unspecs, secondary reloads, and one to one sparc
14607 insn to rtl insn mapping for better scheduling and code gen.
14608 (define_expand reload_indi, reload_outdi): Reload helpers for
14609 MEDANY and EMBMEDANY symbol address loading cases which require a
14610 temporary register.
14611 (define_expand movsicc): Remove v8plus_regcmp cases.
14612 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
14613 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
14614 cmp_diqi_trunc_set): New patterns used by some of the new scc
14616 (define_insn xordi3_sp64_dbl): New pattern used for constant
14617 formation when crossing from 32-bit targets.
14618 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
14620 (define_insn addx, subx): Make visible and prettify.
14621 (define_insn adddi3_insn_sp32): Likewise and force split.
14622 (define_insn addx_extend, subx_extend, unnamed): New patterns for
14623 64bit scc split usage.
14624 (define_insn unnamed plusDI zero_extend, unnamed minusDI
14625 zero_extend, subdi3): Force and implement splits.
14627 * final.c (final_scan_insn): Don't output labels if target
14628 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
14631 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
14632 don't forget to walk inside SEQUENCESs too as these are what the
14633 delay slot scheduler will create.
14635 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
14637 * alpha.md (extxl+1,+2): New patterns to work around
14640 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
14642 * rs6000.c (rs6000_allocate_stack_space): Fix typo which
14643 caused bad assembly code to be generated.
14645 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
14647 * netbsd.h: Fix typo.
14649 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
14651 * config.sub: Fix typo.
14653 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
14655 * invoke.texi (Environment Variables): Typo: Change "ascpects"
14657 (Running Protoize): Typo: Change "ther" into "other".
14659 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
14661 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
14662 * m68k/netbsd.h: Likewise.
14663 * ns32k/netbsd.h: Likewise.
14664 * sparc/netbsd.h: Likewise.
14666 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
14668 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
14669 * ginclude/va-clipper.h (va_list): Likewise.
14671 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
14673 * rs6000.c (rs6000_override_options): If big endian and -Os, use
14674 load/store multiple instructions unless user overrides.
14676 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
14678 * ns32k/netbsd.h: Fix typo.
14680 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
14682 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
14683 labels with .debugsym if no parallel insns.
14685 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
14687 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
14688 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
14690 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@gnu.org>
14692 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
14693 (AR_FOR_TARGET): Define.
14695 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
14697 * dyn-string.h: New file.
14698 * dyn-string.c: Likewise.
14699 * Makefile.in (OBJS): Add dyn-string.o.
14700 (dwarf2out.o): Add dyn-string.h dependency.
14701 (dyn-string.o): List dependencies.
14702 * dwarf2out.c: Include dyn-string.h.
14703 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
14704 (addr_const_to_string): Take a dyn_string_t, not a char* as a
14705 prototype. Use dyn_string_append rather than strcat, throughout.
14706 (addr_to_string): Use dyn_string_t.
14708 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
14710 Function entry/exit profiling instrumentation:
14711 * expr.h (profile_function_entry_libfunc,
14712 profile_function_exit_libfunc): Declare new variables.
14713 * optabs.c: Define them here.
14714 (init_optabs): Initialize them.
14715 * tree.h (struct tree_decl): New flag
14716 no_instrument_function_entry_exit.
14717 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
14718 * c-decl.c (duplicate_decls): Merge it.
14719 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
14720 (init_attributes): Use it for "no_instrument_function".
14721 (decl_attributes): Handle it, for functions that have not yet been
14722 compiled. Set decl flag.
14723 * flags.h (flag_instrument_function_entry_exit): Declare new
14725 * toplev.c (flag_instrument_function_entry_exit): Define it here.
14726 (f_options): New option "instrument-functions".
14727 * function.h (struct function): New field instrument_entry_exit.
14728 * function.c (current_function_instrument_entry_exit): New
14730 (push_function_context_to, pop_function_context_from): Save and
14732 (expand_function_start): Set current_ variable, maybe emit return
14733 label and entry profile call.
14734 (expand_function_end): Maybe emit exit profile call.
14736 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
14738 * i386.md (movqi): When optimizing a load of (const_int 1) into a
14739 NON_QI_REG_P, pretend the register is SImode.
14741 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
14743 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
14744 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
14745 manufacturer id for ns32k.
14746 * configure: Regenerated.
14747 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
14748 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
14749 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
14750 * config/m68k/netbsd.h: Same.
14751 * config/ns32k/netbsd.h: Same.
14752 * config/sparc/netbsd.h: Same.
14754 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
14756 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
14757 or UNROLL_COMPLETELY loop that starts with a jump to its
14760 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@gnu.org>
14762 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
14763 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
14764 (print_operand, case 'B'): Don't fall through.
14765 (print_operand, case 'S'): Correct mask begin/end computation.
14766 Use HOST_BITS_PER_WIDE_INT.
14767 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
14768 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
14769 * rs6000/aix41.h (CPP_PREDEFINES): Same.
14770 * rs6000/aix43.h (CPP_PREDEFINES): Same.
14772 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
14774 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
14775 constraint from second alternative.
14777 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
14779 * configure.in: Fix --without/--disable cases for local-prefix,
14780 gxx-include-dir and checking.
14782 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14784 * configure.in (enable_haifa): Set by default for sparc64 too.
14785 configure: Rebuilt.
14787 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
14789 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
14790 * i386/winnt.c (associated_type): New fn.
14791 (i386_pe_valid_type_attribute_p): New fn.
14792 (i386_pe_check_vtable_importexport): Remove.
14793 (i386_pe_dllexport_p): Use associated_type.
14794 (i386_pe_dllimport_p): Likewise.
14796 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
14797 * i386.c (i386_valid_type_attribute_p): Also accept
14798 attributes for METHOD_TYPEs.
14800 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
14802 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
14804 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
14806 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
14808 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
14809 them from generating a new base name for each occurrence of
14812 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
14814 * cse.c (cse_insn): Enable substitution inside libcall only for REG,
14816 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
14818 * cplus-dem.c (type_kind_t): New type.
14819 (demangle_template_value_parm): Add type_kind_t parameter. Rely
14820 on this parameter, rather than demangling the type again.
14821 (demangle_integral_value): Pass tk_integral.
14822 (demangle_template_: Pass the value returned from do_type.
14823 (do_type): Return a type_kind_t. Pass tk_integral to
14824 demangle_template_value_parm for array bounds.
14825 (demangle_fund_type): Likewise.
14827 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
14829 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
14832 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
14834 * pa.c (move_operand): Accept CONSTANT_P_RTX.
14836 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
14838 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
14840 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
14843 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
14845 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
14846 (DEBUGGER_ARG_OFFSET): Likewise.
14848 * mn10300.md (movsf): Remove last change. Not needed.
14850 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
14852 * c-lex.c (yylex): Fix boundary conditions in character literal and
14853 string literal loops.
14855 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
14857 * longlong.h (count_leading_zeros): Sparclite scan instruction was
14858 being invoked incorrectly.
14860 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
14861 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
14863 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
14864 * configure.in: Added i[34567]86-*-win32.
14865 * config.sub: Likewise.
14866 * configure: Rebuilt.
14868 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
14870 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
14871 the frame pointer and compiling PIC code and reload has not completed.
14873 * i386.c (output_to_reg): Add code to emulate non-popping DImode
14876 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
14878 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
14880 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14882 * Makefile.in (install-info): Only try to update the info
14883 directory file if it exists in the first place.
14885 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
14887 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
14889 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
14891 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
14892 CONST_DOUBLE source.
14894 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
14896 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
14897 strings as the insertion of USER_LABEL_PREFIX.
14898 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
14900 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
14903 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
14905 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
14906 already defined type.
14908 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
14910 * expr.c (check_max_integer_computation_mode): Allow conversions
14911 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
14912 (expand_expr): Likewise.
14914 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
14916 * expr.c (expand_expr): Expand RETURN_EXPR.
14918 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
14920 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
14922 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
14924 * dwarf2out.c (output_aranges): Call stripattributes
14925 for TEXT_SECTION references.
14926 (output_line_info): Likewise.
14928 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14930 * profile.c (branch_prob): Call allocate_reg_info after outputting
14931 profile rtl in instrument_arcs.
14933 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
14935 * fixinc.irix (math.h): Install wrapper instead of copying.
14937 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
14939 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
14940 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
14941 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
14942 lang_flag_0. Added documentation in the flag table.
14944 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
14946 * cccp.c (do_include): Fix vax c style include handling.
14948 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
14950 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
14952 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
14954 * fold-const.c (non_lvalue): Don't deal with null pointer
14956 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
14958 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@gnu.org>
14960 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
14961 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
14962 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
14963 (u_short_cint_operand): Same.
14964 (reg_or_cint_operand): Same.
14965 (logical_operand): Same.
14966 (input_operand): Same.
14967 (reg_or_short_operand): Use u_short_cint_operand.
14969 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
14971 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
14972 but keep the insns and splits. Adjust so when the ultimate destination
14973 is memory, use cvtql.
14975 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
14977 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
14979 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
14981 * gcc.c (do_spec): Call "error" not "warning".
14983 * configure.in: Fix minor problems with gas feature detection code.
14984 * configure: Rebuilt.
14986 * gcc.c (do_spec): Issue a warning for '%[]' usage.
14988 * Undo this change.
14989 * gcc.c: Delete %[spec] support.
14990 (do_spec_1, case '('): Likewise.
14991 (do_spec_1, case '['): Call error.
14993 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
14995 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
14996 (CPP_SUBTARGET_SPEC): Default to empty string.
14997 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
14998 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
14999 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
15000 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
15002 * alpha/linux.h (CPP_PREDEFINES): Tidy.
15003 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
15004 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
15005 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
15006 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
15007 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
15008 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
15009 * alpha/vxworks.h: Likewise.
15011 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
15013 * mips.md (reload_outsi): Added missing REGNO call.
15014 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
15016 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
15017 another match_operator and compare the codes.
15019 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
15021 * MIPS multiply pattern fixes:
15022 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
15023 Add union classes for HI, LO, or HILO plus general registers.
15024 (GENERATE_MADD): Deleted.
15025 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
15026 Add TARGET_MAD to condition.
15027 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
15028 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
15029 "*d" for accumulator, to give preference to LO initially but not
15032 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
15034 * configure.in (enable_c_mbchar): New configure option.
15035 (extra_cpp_objs): Always available now.
15037 * cexp.y (mbchar.h): #include it.
15038 (yylex): Handle Multibyte characters in character literals.
15040 * cccp.c (mbchar.h): #include it.
15041 (main): Set character set based on LANG environment variable.
15042 (rescan): Handle multibyte characters in comments.
15043 (skip_if_group): See above.
15044 (validate_else): See above.
15045 (skip_to_end_of_comment): See above.
15046 (macarg1): See above.
15047 (discard_comments): See above.
15048 (rescan): Handle multibyte characters in string and character literals.
15049 (collect_expansion): See above.
15050 (skip_quoted_string): See above.
15051 (macroexpand): See above.
15052 (macarg1): See above.
15053 (discard_comments): See above.
15054 (change_newlines): See above.
15056 * c-lex.c (mbchar.h): #include it.
15057 (GET_ENVIRONMENT): New macro.
15058 (init_lex): Set character set based on LANG environment variable.
15059 (yylex): Handle multibyte characters in character literals.
15060 (yylex): Handle multibyte characters in string literals.
15062 * Makefile.in (mbchar.o): New target.
15063 (cccp$(exeext)): @extra_cpp_objs@ is always available.
15064 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
15066 * mbchar.[ch]: New files for multibyte character handling.
15068 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
15070 * jump.c (jump_optimize): When simplifying noop moves and
15071 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
15072 the PUSHes to rewrite in second loop as we did in the first.
15074 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15076 * cplus-dem.c (demangle_nested_args): Make function definition
15077 static to match the prototype.
15079 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
15081 * alloca.c: Respect USE_C_ALLOCA.
15082 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
15083 * gengenrtl.c (xmalloc): Likewise.
15085 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
15087 * loop.h (struct induction): Add no_const_addval.
15088 * loop.c (the_movables, reg_address_cost): New variables.
15089 (init_loop): Init reg_address_cost.
15090 (loop_optimize): Call end_alias_analysis.
15091 (scan_loop): Init the_movables.
15092 (record_giv): Init induction->no_const_addval.
15093 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
15094 [REG]: Rearrange loop search test to catch more cases.
15095 (general_induction_var): Return success not benefit; take an extra
15096 argument for that. Change all callers.
15097 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
15098 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
15099 [default]: Search the_movables for additional combinations.
15100 (sge_plus_constant, sge_plus): New functions.
15101 (express_from_1): New function.
15102 (express_from): Always define. Rewrite using express_from_1.
15103 (combine_givs_p): Handle more cases. Ignore address cost.
15104 (cmp_combine_givs_stats): New function.
15105 (combine_givs_used_once, combine_givs_benefit_from): New functions.
15106 (combine_givs): Rewrite to do best-fit combination.
15108 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
15109 (fold): Do a complete (A*C)+(B*C) association check.
15111 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
15113 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
15115 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
15117 * mn10300.c (MODES_TIEABLE_P): Fix typo.
15119 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
15121 * tree.c (valid_machine_attribute): Only create a new type variant if
15122 there is a decl to use it.
15124 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
15126 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
15129 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
15131 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
15134 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
15136 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
15137 Simplify tests for clearing an address register.
15138 (expand_prologue): Corresponding changes.
15140 * mn10300.md (movXX patterns): Make sure the destination is an
15141 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
15142 (logical patterns): Split into expanders + patterns.
15143 (zero and sign extension patterns): Similarly.
15144 (shift patterns): Similarly.
15146 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
15148 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
15149 for the sequence, recording base values.
15151 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
15153 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
15155 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
15157 * gcc.c: Remove ANSI-C ism from --help code.
15159 * toplev.c: Support --help with USE_CPPLIB.
15161 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
15163 * configure.in: Rework gas feature code to work with symlink based
15166 * extend.texi: Clarify some issues related to local variables
15167 assigned to explicit registers.
15169 * mn10300.md (mulsi): Turn into expander + pattern.
15171 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
15174 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
15176 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
15178 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
15180 * version.c: Bump again to distinguish mainline tree from the
15183 See ChangeLog.0 for earlier changes.
15186 add-log-time-format: current-time-string