1 1999-04-09 22:58 -0400 Zack Weinberg <zack@rabi.columbia.edu>
3 * cpphash.c (special_symbol): When expanding __LINE__, use the
4 top file buffer, not the top buffer.
6 Fri Apr 9 13:41:04 1999 Jim Wilson <wilson@cygnus.com>
8 * Makefile.in (check-g++, check-gcc, check-g77, check-objc): Add
9 cd .. to TCL_LIBRARY command.
11 Fri Apr 9 13:04:52 1999 Nick Clifton <nickc@cygnus.com>
13 * config/arm/unknown-elf.h (SUBTARGET_CPU_DEFAULT): Only define if
14 not already specified.
16 Fri Apr 9 11:18:55 1999 Jason Merrill <jason@yorick.cygnus.com>
18 * c-common.c (decl_attributes, A_INIT_PRIORITY): Allow arrays
21 Fri Apr 9 10:40:10 1999 Kaveh R. Ghazi <ghazi@snafu.rutgers.edu>
23 * rs6000.c (rs6000_override_options, ptt, rs6000_file_start,
24 rs6000_float_const, rs6000_replace_regno, debug_stack_info,
25 rs6000_output_load_toc_table, output_prolog, output_epilog):
27 (output_mi_thunk): Likewise. Mark parameter `thunk_fndecl' with
28 ATTRIBUTE_UNUSED. Hide unused variables `r0', `sp', `toc',
29 `schain', `r12', `buf' and `labelno'.
30 (output_ascii): Const-ify a char*.
31 (rs6000_gen_section_name): Initialize variable `last_period'.
32 (rs6000_adjust_priority): Mark parameter `insn' with
34 (rs6000_trampoline_template, rs6000_dll_import_ref,
35 rs6000_longcall_ref, rs6000_encode_section_info): Const-ify a char*.
37 * rs6000.h (offsettable_mem_operand, optimization_options): Add
40 * rs6000.md (movdi, define_split): Cast a value to HOST_WIDE_INT
41 when comparing against one.
43 Thu Apr 8 19:20:18 1999 Jeffrey A Law (law@cygnus.com)
45 * expr.c (expand_expr, case ARRAY_REF, COMPONENT_REF, BIT_FIELD_REF):
46 Do not try to optimize a aggregate address which has VOIDmode.
47 Mirrors March 23 change to expand_assignment.
49 * flow.c (delete_unreachable_blocks): Do not require EDGE_FALLTHRU
50 for an edge when tidying an edge which connects consecutive basic
53 * flow.c (can_delete_label_p): Do not convert a label into a
56 * cse.c (flush_hash_table): New function.
57 (cse_insn): Flush the hash table when we encounter a volatile asm.
58 (cse_basic_block): Use flush_hash_table instead of doing it
61 * reload1.c (reload_cse_regs_1): Flush known register values if
62 we encounter a volatile asm.
64 * loop.c (strength_reduce): Re-enable Joern's loop improvements.
66 Thu Apr 8 09:37:40 1999 Nick Clifton <nickc@cygnus.com>
68 * config/arm/arm.c (arm_print_operand): Undo previous change -
69 always print large constants in decimal.
71 Thu Apr 8 10:22:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
73 * configure.in (host_xm_file, build_xm_file): Include hwint.h.
74 Use case statements instead of "if test -a ... -a ... -a ..."
76 * machmode.h: Don't define HOST_WIDE_INT, etc. Wrap use of
77 HOST_WIDE_INT in #ifdef.
79 * mips.h: Include hwint.h instead of providing definitions for
80 HOST_WIDE_INT, etc. Wrap uses of HOST_WIDE_INT in #ifdef.
82 Thu Apr 8 06:16:14 EDT 1999 John Wehle (john@feith.com)
84 * i386.md (truncdfsf2, truncxfsf2,
85 truncxfdf2): Rewrite using a splitter.
87 Thu Apr 8 01:26:05 1999 Arg Haas (ahaas@neosoft.com)
88 Jeffrey A Law (law@cygnus.com)
90 * freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Avoid ambiguous
92 * gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
93 * linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
94 * openbsd.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
96 Wed Apr 7 22:40:19 1999 Jim Wilson <wilson@cygnus.com>
98 * i960/i960.c (i960_function_prologue): Don't save static chain
100 * i960/i960.h (STACK_CHAIN_REGNUM): Change from r3 to g12.
101 (TRAMPOLINE_TEMPLATE): Likewise.
102 (FRAME_POINTER_REQUIRED): Check current_function_has_nonlocal_goto.
103 * i960/i960.md (nonlocal_goto): Rewrite.
105 Tue Apr 6 17:49:49 1999 Philip Blundell <pb@nexus.co.uk>
107 * config/arm/lib1funcs.asm: Test for __ELF__ not __elf__.
109 Wed Apr 7 14:07:34 1999 Jeffrey A Law (law@cygnus.com)
111 * h8300.c (h8300_adjust_insn_length): Also avoid recognizing
112 ADDR_VEC and ADDR_DIFF_VEC insns.
114 * h8300.c (h8300_adjust_insn_length): Avoid trying to recognize
115 USE, CLOBBER or SEQUENCE insns.
117 * unroll.c (unroll_loop): For HAVE_cc0 machines, adjust copy_end_luid
118 to account for the uncopied insn that sets cc0 at the end of the loop.
120 * unroll.c (copy_loop_body): Always ensure at least two insns
121 are in the copied loop.
123 Wed Apr 7 14:52:18 1999 Catherine Moore <clm@cygnus.com>
125 * config/mips/elf.h (MAKE_DECL_ONE_ONLY): Define.
126 (UNIQUE_SECTION_P): Define.
128 1999-04-07 11:50 -0800 Bruce Korb <ddsinc09@ix.netcom.com>
130 * fixinc/inclhack.tpl & fixincl.tpl:
131 Remove dynamic content from generated files
133 Wed Apr 7 13:16:22 EDT 1999 John Wehle (john@feith.com)
135 * i386.c (output_move_memory): Remove.
138 * i386.md (movsi, movhi, movstricthi, movqi, movstrictqi,
139 movsf, movdf, movxf, movdi): Check no_new_pseudos instead
140 of (reload_in_progress | reload_completed).
142 Wed Apr 7 03:16:45 1999 Richard Henderson <rth@cygnus.com>
144 * alpha.c (reg_no_subreg_operand): New function.
145 * alpha.h (PREDICATE_CODES): Add it.
146 * alpha.md (floatdi?f patterns): Use it for op1.
148 * alpha.c (alpha_end_function): Don't flag weak functions.
150 Wed Apr 7 02:11:55 1999 Richard Henderson <rth@cygnus.com>
152 * expr.c (expand_builtin) [BUILT_IN_RETURN_ADDRESS]: Use
153 copy_to_mode_reg; don't force constants into a register.
155 Tue Apr 6 22:55:25 1999 Richard Henderson <rth@cygnus.com>
157 * toplev.c (compile_file): Typo flow_dump -> flow2_dump.
159 1999-04-06 Joseph S. Myers <jsm28@cam.ac.uk>
161 * pdp11.c (simple_memory_operand): Add default case in switch.
162 * pdp11.h (TARGET_SWITCHES): Add help strings.
163 (NOTICE_UPDATE_CC): Don't include excess argument to format.
164 (ASM_OUTPUT_DOUBLE_INT): Remove.
166 Tue Apr 6 22:09:40 1999 Richard Henderson <rth@cygnus.com>
168 * expr.c (expand_builtin_setjmp): Put setjmp return label on
169 nonlocal_goto_handler_labels for flow.
171 Tue Apr 6 22:05:21 1999 Jan Hubicka <hubicka@paru.cas.cz>
172 Richard Henderson <rth@cygnus.com>
174 * flow.c (verify_flow_info): New function.
175 (find_basic_blocks): Call it if ENABLE_CHECKING.
176 (merge_blocks): Don't merge if there are non-deletable labels.
177 * toplev.c (fatal_insn): Allow a printf-style arg list.
178 * toplev.h (fatal_insn): Update prototype.
180 Tue Apr 6 16:18:58 1999 Jan Hubicka <hubicka@paru.cas.cz>
182 * flow.c (split_edge) update correctly flow graph, disable
183 EDGE_CRITICAL flag on the split edge, update NUSES for new label.
185 Tue Apr 6 15:47:51 1999 Richard Henderson <rth@cygnus.com>
187 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use XWINT not XINT.
188 Clear third and following slots, if they exist.
190 Tue Apr 6 15:45:28 1999 Richard Henderson <rth@cygnus.com>
192 * flow.c (create_basic_block): Make sure the bb note is in the block.
193 (can_delete_note_p): Rename from delete_note_p.
194 (delete_insn_chain): Preserve undeleteable labels too.
195 (tidy_fallthru_edge): Use next_real_insn instead of confusing
198 1999-04-06 12:56 -0400 Zack Weinberg <zack@rabi.columbia.edu>
200 * cppexp.c (parse_charconst): Initialize c.
201 (cpp_parse_expr): Initialize rprio.
202 * cppfiles.c (merge_include_chains): Initialize prev.
203 (finclude) Set fp->line_base to fp->buf before returning.
204 * cpphash.c (macroexpand): Initialize token.
205 * cppspec.c (lang_specific_driver): Change suff to
208 1999-04-06 12:51 -0400 Zack Weinberg <zack@rabi.columbia.edu>
210 * cppinit.c (install_predefs): Delete function.
211 (cpp_start_read): Don't call install_predefs.
212 (cpp_handle_option): Remove case 'u' and all refs to
213 opts->inhibit_predefs.
214 (print_help): Don't mention -undef.
215 (initialize_builtins): Define __HAVE_BUILTIN_SETJMP__, to
217 * cpplib.h (struct cpp_options): Remove inhibit_predefs
220 * cccp.c (predefs): Delete variable.
221 (main): Remove case 'u' in argument parse loop,
222 'inhibit_predefs' variable, and the code block that would
223 process CPP_PREDEFINES.
224 (initialize_builtins): Don't define __OBJC__, the driver will
227 * gcc.c (default_compilers): Remove -undef from all specs that
228 invoke a C preprocessor.
229 * ch/lang-specs.h: Likewise.
230 * cp/lang-specs.h: Likewise.
231 * f/lang-specs.h: Likewise.
232 * objc/lang-specs.h: Likewise.
234 Mon Apr 5 11:55:31 1999 Donn Terry (donn@interix.com)
236 * Makefile.in (SUBDIR_FLAGS_TO_PASS): Fix misapplied patch.
238 Mon Apr 5 11:51:38 1999 Jeffrey A Law (law@cygnus.com)
240 * m68k.md (movdf): Hide GPR sources & destinations from regclass.
242 Mon Apr 5 09:54:42 PDT 1999 Jeff Law (law@cygnus.com)
244 * version.c: Bump for snapshot.
246 Mon Apr 5 05:55:15 PDT 1999 Bruce Korb <ddsinc09@ix.netcom.com>
248 * fixincl.tpl: Separate "-e" from its argument, a la
249 the Sat Apr 3 17:05:13 1999 fix.
250 * genfixes: Ensure that the server shell is _NOT_ csh.
252 Mon Apr 5 03:52:30 PDT 1999 Jeff Law (law@cygnus.com)
254 * version.c: Bump for snapshot.
256 Mon Apr 5 04:47:14 1999 Jeffrey A Law (law@cygnus.com)
258 * i386.c (x86_double_with_add): Turn off for Pentium and PPro.
259 (small_shift_operand, output_ashlsi3): New functions.
260 * i386.h (small_shift_operand, output_ashlsi3): Declare.
261 * i386.md (ashlsi3): Simplify ahlsi3 patterns. Remove splitters
262 that are no longer needed.
264 Sun Apr 4 04:05:04 1999 Jeffrey A Law (law@cygnus.com)
266 * stmt.c (expand_loop_end): When copying the loop exit test,
267 do not walk into a nested loop.
269 Sun Apr 4 00:14:54 1999 Jeffrey A Law (law@cygnus.com)
271 * fixinc/hackshell.tpl: Skip links to directories, to avoid
273 * fixinc/inclhack.tpl: Likewise.
274 * fixinc/fixinc.sh, fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
276 Sat Apr 3 23:46:13 1999 David Edelsohn <edelsohn@gnu.org>
278 * rs6000.md (addsi3, iorsi3, xorsi3, adddi3, iordi3, xordi3,
279 movsi_got, movsi, movsf): Use no_new_pseudos.
280 * rs6000.c (rs6000_got_register): Likewise.
281 (offsettable_mem_opereand): Use || not |.
283 Sat Apr 3 22:02:56 1999 Jeffrey A Law (law@cygnus.com)
285 * acconfig.h (ENABLE_CHECKING): Remove redundant #undef.
286 * config.in: Rebuilt.
288 Sat Apr 3 16:22:59 1999 Toshiyasu Morita (tm@netcom.com)
290 * gcc.texi: Add info on regmove pass.
292 * regmove.c (fixup_match_1): Consistently evaluate
293 HAVE_POST_INCREMENT and HAVE_POST_DECREMENT.
295 Sat Apr 3 19:21:05 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
297 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER): Use grep
298 instead of test and sed to check whether they're GNU programs.
299 * configure: Rebuilt.
301 Sat Apr 3 17:57:35 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
303 * Makefile.in (install-headers-tar, install-headers-cpio): Avoid
304 problems with CDPATH.
305 Reported by Ralf Canis <canis@bigfoot.com>
307 Sat Apr 3 13:50:16 1999 Jeffrey A Law (law@cygnus.com)
309 * fixinc.x86-linux-gnu: Deleted.
311 Sat Apr 3 17:05:13 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
313 * inclhack.tpl: Insert spaces between `sed -e' and '...'.
314 Reported by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
315 * fixinc/fixincl.sh, fixinc/fixincl.x, fixinc/inclhack.sh: Regen.
317 Sat Apr 3 14:54:46 1999 Craig Burley <craig@jcb-sc.com>
319 * tree.def (BLOCK): Fix typo in comment.
321 Sat Apr 3 00:53:29 EST 1999 John Wehle (john@feith.com)
323 * i386.md (floatsisf2, floatdisf2, floatsidf2, floatdidf2,
324 floatsixf2, floatdixf2): Rewrite using a splitter.
326 Fri Apr 2 17:36:10 1999 Nick Clifton <nickc@cygnus.com>
328 * config/arm/arm.c (arm_print_operand): Print large constants in
329 hex rather than decimal.
331 Fri Apr 2 17:23:58 1999 Nick Clifton <nickc@cygnus.com>
333 * print-rtl.c (print_rtx): Use both HOST_WIDE_INT_PRINT_DEC
334 and HOST_WIDE_INT_PRINT_HEX to display constants.
336 1999-04-02 20:16 -0500 Zack Weinberg <zack@rabi.columbia.edu>
338 * config/i386/i386.h: Document all TARGET_SWITCHES or add
339 explicit null initializer.
341 * config/i386/cygwin.h: Document all SUBTARGET_SWITCHES.
342 * config/i386/dgux.h: Likewise.
343 * config/i386/osf1elf.h: Likewise.
344 * config/i386/win32.h: Likewise.
345 * config/i386/osfrose.h: Likewise. Drop obsolete -mno-ident option.
347 Fri Apr 2 17:49:44 1999 Toshiyasu Morita <tm@netcom.com>
349 * regmove.c (fixup_match_1): Remove now useless if (0).
351 Sat Apr 3 11:37:20 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
353 * tm.texi (USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT,
354 USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT): Document.
355 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
356 USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Fix documentation.
358 * rtl.h (USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT,
359 USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT,
360 USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
361 USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Provide default
364 * expr.c (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
365 USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Delete default
368 Fri Apr 2 16:03:05 1999 Jeffrey A Law (law@cygnus.com)
370 * fixinc.dgux, fixinc.interix, fixinc.irix, fixinc.ptx: Deleted.
371 * fixinc.sco, fixinc.svr4, fixinc.winnt, fixinc.wrap: Likewise.
373 Fri Apr 2 15:46:25 1999 Donn Terry (donn@interix.com)
375 * configure.in: Set and substitute quoted_cc_set_by_configure.
376 * configure: Rebuilt.
377 * Makefile.in (SUBDIR_FLAGS_TO_PASS): Fix quoting problem with ``.
379 Fri Apr 2 14:35:45 1999 Stan Cox <scox@cygnus.com>
381 * config/i386/cygwin.h (CPP_SPEC): Use mingw_include_path instead
382 of a hardcoded path for -mno-cygwin.
383 (mingw_include_path): New.
385 1999-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
387 * pdp11.c: Include "recog.h".
388 (output_function_prologue): Remove unused variables `nregs', `i',
390 (output_function_epilogue): Remove unused variables
391 `may_call_alloca', `nregs', `regno', `adjust_fp'.
392 (output_ascii): Mark as returning void.
393 (print_operand_address: Likewise.
394 (simple_memory_operand): Remove unused variables `plus0', `plus1',
396 * pdp11.h: Declare functions `arith_operand',
397 `const_immediate_operand', `expand_shift_operand',
398 `legitimate_address_p', `notice_update_cc_on_set', `output_ascii',
399 `output_function_epilogue', `output_function_prologue',
400 `print_operand_address', `register_move_cost',
401 `simple_memory_operand'.
402 (HARD_REGNO_MODE_OK): Parenthesize `REGNO' arg.
403 (REGNO_REG_CLASS): Likewise.
404 * pdp11.md: Add explicit `int' to `static count' (in two places).
405 (addhi3): Add explicit braces to avoid ambiguous else.
409 Fri Apr 2 14:17:10 1999 Jerry James <jerry@cs.ucsb.edu>
411 * gcc/invoke.texi: Add documentation for additional supported
412 MIPS CPU types, options -mips16 and -mentry, and ABI and ISA
415 Fri Apr 2 14:12:06 EST 1999 John Wehle (john@feith.com)
417 * i386.md: Delete floating point compare, add, subtract,
418 multiply, and divide patterns which allowed integer
420 * i386.c (output_386_binary_op): Delete unused code.
421 (output_float_compare): Likewise.
423 Fri Apr 2 11:53:37 1999 John Wehle (john@feith.com)
425 * i386.md (movsf+1, movdf+1, movxf+1): Update constraints
426 so that SECONDARY_MEMORY_RELOAD is used. Remove dead code.
428 1999-04-02 Bruce Korb <ddsinc09@ix.netcom.com>
430 * fixinc/mkfixinc.sh: Added support for x86-interix.
431 * fixinc/fixinc.interix: Fixincludes script, slight changes
432 from ./fixinc.interix. Untested (needs interix box).
433 * fixinc/inclhack.def:
434 Complete the change to the 'fixinc.tmp' file.
435 Fixed regex for finding C++ headers.
436 * fixincl.x, fixincl.sh, inclhack.sh: Regenerate.
438 Fri Apr 2 11:36:12 1999 Jan Hubicka (hubicka@paru.cas.cz)
440 * i386.c (print_operand_address, case REG): Do not use ESI addressing
443 * i386.c (print_operand_address, case MULT): Use more efficient
444 encoding (mult (reg) (const_int 2)).
446 Thu Apr 1 17:01:50 1999 Richard Henderson <rth@cygnus.com>
448 Move over patch from Bernd Schmidt from GC branch:
449 * emit-rtl.c (gen_rtx_CONST_DOUBLE): New function.
450 (gen_rtx): Call it. Tidy cases.
451 * rtl.h (gen_rtx_CONST_DOUBLE): Prototype it.
452 * gengenrtl.c: Add commentary.
453 (special_rtx): Also match CONST_DOUBLE.
454 (gencode): Emit call to memset instead of bzero.
456 Fri Apr 2 12:58:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
458 * config/c4x/c4x.md (ashlhi3, lshrhi3, ashrhi3): Force operand 1
459 into a register if shift count not constant.
460 (ashlhi3_reg, lshrhi3_reg, ashrhi3_reg): Ensure that operand 1
463 Fri Apr 2 12:19:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
465 * config/c4x/c4x.md (*db): Enable pattern if TARGET_LOOP_UNSIGNED
467 (movstrqi_small, movstrqi_large, *cmpstrqi): Add + modifier to address
468 register constraints.
469 (*movhi_clobber+1): Modify splitter pattern to handle destination
470 register that is used in the source address.
471 (*xorhi3_clobber): Replace AND with XOR in call to legitimize_operands.
473 Fri Apr 2 12:16:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
475 * config/c4x/c4x.h: Added more comments.
477 Fri Apr 2 11:58:22 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
479 * config/c4x/c4x.c (c4x_emit_move_sequence): Force invalid QImode
480 constants into memory if we get called directly from gen_move_insn
481 rather than emit_move_insn.
482 (c4x_legitimize_address): Fix up LABEL_REF addresses.
484 Thu Apr 1 12:04:05 1999 Jim Wilson <wilson@cygnus.com>
486 * expr.c (store_field): When check direct_store, assume all complex
487 modes can be directly stored.
489 1999-04-01 Bruce Korb <ddsinc09@ix.netcom.com>
491 * fixinc/genfixes: New shell script that runs autogen
492 to create the generated files.
494 1999-04-01 Manfred Hollstein <manfred@s-direktnet.de>
496 * Makefile.in (cppmain$(exeext)): Depend on intl.o. Link in intl.o.
498 Thu Apr 1 03:48:34 1999 H.J. Lu (hjl@gnu.org)
500 * i386.c (output_fp_conditional_move): Abort for LT, LE, GE, and GT
501 signed integer comparisons.
503 * i386.c (output_int_conditional_move): Use "enum rtx_code" for code
506 * i386.c (notice_update_cc): No need to check the INT mode for
507 conditional moves since FLOAT conditional moves don't affect cc0.
509 Thu Apr 1 02:17:18 1999 Jeffrey A Law (law@cygnus.com)
511 * fixinc/inclhack.def (zzz_ki_syscalls, zzz_time): Fix trigger
512 string to only match on hpux11.
513 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixinc.sh: Rebuilt.
515 Thu Apr 1 01:09:27 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
517 * fixinc/hackshell.tpl: Complete transition to fixinc.tmp.
518 * fixinc/inclhack.sh: Rebuilt.
520 * fixinc/inclhack.def: Fix typos in c_asm.h fix.
521 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixinc.sh: Rebuilt.
523 Wed Mar 31 17:20:11 1999 Jeffrey A Law (law@cygnus.com)
525 * toplev.c (rest_of_compilation): Allow dbr_schedule to write to
528 Wed Mar 31 12:32:43 1999 Richard Henderson <rth@cygnus.com>
530 * flow.c (find_basic_blocks): New argument `do_cleanup'.
531 Conditionally call delete_unreachable_blocks.
532 (free_basic_block_vars): Zero ENTRY/EXIT data.
533 (allocate_for_life_analysis): Kill. Split into...
534 (allocate_bb_life_data, allocate_reg_life_data): ... new functions.
535 (life_analysis_1): Update.
536 * gcse.c (gcse_main): Update find_basic_blocks call.
537 * toplev.c (rest_of_compilation): Likewise.
538 * stupid.c (stupid_life_analysis): Update life data calls.
539 * rtl.h, output.h: Update prototypes.
541 Wed Mar 31 12:10:00 1999 Bruce Korb <ddsinc09@ix.netcom.com>
543 * inclhack.def (several): Added spaces in tests to ensure
544 correct shell syntax. Added c_asm.h fix from fixincludes.
545 Also corrected the corrected fix to C++ comments :-}
547 * inclhack.tpl: Changed method of traversing symlink trees
548 so that file name matching will work correctly.
550 * fixincl.c, hackshell.tpl: Fallout from above.
551 * fixincl.x, inclhack.sh, fixincl.sh: Rebuilt.
553 Tue Mar 30 10:43:49 1999 Philip Blundell <pb@nexus.co.uk>
555 * config/arm/aout.h (DBX_DEBUGGING_INFO): Avoid redefinition if
556 dbxelf.h was previously included.
557 (CPP_APCS_PC_DEFAULT_SPEC): No need to undefine.
559 * config/arm/linux-elf.h (FP_DEFAULT): Correctly override the
560 definition from arm.h.
562 Wed Mar 31 10:33:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
564 * Makefile.in (c-gperf.h): Generate using gperf language 'C', not
565 'KR-C', so gperf uses the `const' keyword on strings.
567 * c-parse.gperf (resword): Const-ify a char*.
569 Wed Mar 31 01:49:31 1999 Ian Lance Taylor <ian@zembu.com>
571 * t-rtems (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
573 Wed Mar 31 00:50:48 1999 Jeffrey A Law (law@cygnus.com)
575 * system.h (STDERR_FILENO): Fix typo.
577 * inclhack.def (bool): Also fix bogus bool in curses_colr/curses.h.
578 * fixincl.x, inclhack.sh, fixincl.sh: Rebuilt.
580 Tue Mar 30 20:51:40 1999 Mark Mitchell <mark@codesourcery.com>
582 * alias.c (alias_set_compare): Remove.
583 (record_alias_subset): Use splay_tree_compare_ints instead of
585 (init_alias_once): Likewise.
586 * cse.c: Include splay-tree.h.
588 (reg_tick): Likewise.
589 (reg_table): Likewise.
590 (cse_reg_info): New structure.
591 (cse_reg_info_free_list): New variable.
592 (cse_reg_info_tree): Likewise.
593 (cached_regno): Likewise.
594 (cached_cse_reg_info): Likewise.
595 (all_minus_one): Remove.
596 (consec_ints): Likewise.
597 (GET_CSE_REG_INFO): New macro.
598 (REG_TICK): Likewise. Use throughout instead of reg_tick.
599 (REG_IN_TABLE): Likewise. Use throughout instead of reg_in_table.
600 (REG_QTY): Likewise. Use throughout instead of reg_qty.
601 (get_cse_reg_info): New function.
602 (free_cse_reg_info): Likewise.
603 (new_basic_block): Reinitialize cse_reg_info_tree instead of
604 reg_tick, all_minus_one, and consec_ints.
605 * Makefile.in (cse.o): Depend on splay-tree.h
607 Tue Mar 30 13:19:36 1999 Jason Merrill <jason@yorick.cygnus.com>
609 * libgcc2.c (throw_helper): Just return the SP offset, rather than
610 a whole udata. Include args_size in the offset.
611 (__throw, __rethrow): Adjust.
613 Tue Mar 30 11:39:27 1999 Craig Burley <craig@jcb-sc.com>
615 * extend.texi (Extended Asm): Delete spurious `b' before
616 `@end example', which was confusing texi2html.
618 Tue Mar 30 00:26:34 1999 Jason Merrill <jason@yorick.cygnus.com>
620 * dwarf2out.c (output_line_info): Don't emit redundant info.
621 Do start a new row if the file changes and the line # doesn't.
623 Mon Mar 29 15:48:39 1999 Jason Merrill <jason@yorick.cygnus.com>
625 * invoke.texi (Invoking G++, C++ Dialect Options): Update.
627 Mon Mar 29 15:05:39 1999 Richard Henderson <rth@cygnus.com>
629 * except.c (start_dynamic_handler): Force jmp_buf address to
630 and operand before moving to memory.
632 Mon Mar 29 15:11:10 1999 Craig Burley <craig@jcb-sc.com>
634 * invoke.texi (Code Gen Options): Attempt to clarify
635 -fcheck-memory-usage. Minor edits to -fprefix-function-name.
637 Mon Mar 29 20:52:47 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
639 * loop.c (maybe_eliminate_biv): For libcalls that set a giv, skip to
642 Mon Mar 29 20:35:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
644 * sh.md (mulsi3): Tag an extra REG_EQUAL note to the middle insn.
646 Mon Mar 29 11:50:34 1999 Jerry Quinn <jquinn@nortelnetworks.com>
648 * pa.h (HAVE_PRE_INCREMENT): Disable when optimizing for a PA8000
650 (HAVE_PRE_DECREMENT, HAVE_POST_INCREMENT): Likewise.
651 (HAVE_POST_DECREMENT): Likewise.
653 Mon Mar 29 08:24:43 1999 Bruce Korb <korb@datadesign.com>
655 * fixinc/mkfixinc.sh: Fix portability problems with old shells.
657 * fixinc/README: Updated for release announcement
659 Sun Mar 28 20:26:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
661 * recog.h (insn_outfun, insn_operand_predicate): Add prototype
664 * rtl.h (note_stores): Likewise.
666 * rtlanal.c (note_stores): Likewise.
668 Sun Mar 28 15:34:28 1999 Richard Henderson <rth@cygnus.com>
670 * varasm.c (output_constant_pool): Always mark the constant pool.
672 Sun Mar 28 16:09:01 1999 "Jerry Quinn" <jquinn@nortelnetworks.com>
674 * pa.md (pa7100LCshiftmem, pa7100LCalu): Change simultaneity. Use
675 shift/mem ops in pa7100LCalu.
677 * pa.c (pa_adjust_cost): Don't do cost adjustments on pa8000.
678 (pa_reorg): Don't call pa_combine_instructions on pa8000.
680 Sun Mar 28 15:27:26 1999 Jeffrey A Law (law@cygnus.com)
682 * reload1.c (reload): Remove accidental code duplication.
684 Sun Mar 28 12:22:12 1999 Robert Lipe (robertlipe@usa.net)
686 * i386/sysv5.h: New file to describe UnixWare7/SVR5.
687 * configure.in (i?86-UnixWare7*-sysv): Use it.
688 * i386/udk.h: Use sysv5.h. Now uses Dwarf-2.
690 Sun Mar 28 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
692 * version.c: Bump for snapshot.
694 Sun Mar 28 00:44:27 1999 Jeffrey A Law (law@cygnus.com)
696 * sdbout.c (sdbout_symbol): Do not call build_pointer_type, build
697 one on the fly and do not cache the result.
699 * gcc.cps, cpp.cps: Delete unwanted files.
701 Sat Mar 27 23:37:40 EST 1999 John Wehle (john@feith.com)
703 * i386.md (movdicc+3, movdicc+4): Rewrite using split_di.
704 * i386.c (output_int_conditional_move): Delete unused code.
706 Sat Mar 27 21:17:36 1999 David Edelsohn <edelsohn@gnu.org>
708 * rs6000/{aix41.h,aix43.h} (ASM_CPU_SPEC): Add 604e.
710 Sat Mar 27 16:13:50 1999 Jeffrey A Law (law@cygnus.com)
712 * flow.c (mark_used_regs): Improve handling of ASMs.
714 1999-03-26 Zack Weinberg <zack@rabi.columbia.edu>
716 * Makefile.in (xcpp, cppspec.o): New targets.
717 (CPP_INSTALL_NAME): New macro.
718 (install-cpp): Install xcpp. Use CPP_INSTALL_NAME.
719 (all.build, start.encap): Build xcpp.
721 * cppspec.c: New file, implements argument filtering for a
722 user-visible C preprocessor.
725 Fri Mar 26 20:41:46 1999 Jim Wilson <wilson@cygnus.com>
727 * Makefile.in (stmp-fixinc): Use tooldir instead of gcc_tooldir.
729 Fri Mar 26 16:02:37 1999 Nick Clifton <nickc@cygnus.com>
731 * configure.in (arm-*-vxworks*): Just include arm/vxarm.h.
732 * configure: Regenerate.
733 * config/arm/vxarm.h: Define SUBTARGET_CPU_DEFAULT before
736 1999-02-16 Scott Bambrough <scottb@corelcomputer.com>
738 * configure.in (arm*-*-linux-gnu*): Set thread_file to 'posix' if
739 --enable-threads[={yes,pthreads,posix}] is passed as a command
740 line parameter to configure.
742 * configure: Regenerate.
744 * gcc/config/arm/t-linux (TARGET_LIBGCC2_CFLAGS): Include -fPIC.
746 Fri Mar 26 19:42:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
748 * loop.c (combine_givs): Fix index into can_combine when doing
749 benefit adjustment for remaining givs when having combined a giv.
751 Fri Mar 26 11:38:01 1999 Nick Clifton <nickc@cygnus.com>
753 * config/arm/t-arm-elf (EXTRA_MULTILIB_PARTS): Define.
755 Fri Mar 26 10:48:27 1999 Nick Clifton <nickc@cygnus.com>
757 * config/arm/linux-elf.h: Include dbxelf.h
759 Fri Mar 26 10:43:47 1999 Nick Clifton <nickc@cygnus.com>
761 * config/svr4.h: Include new header file dbxelf.h.
762 (DBX_DEBUGGING_INFO): Remove definition.
763 (DBX_USE_BINCL): Remove definition.
764 (DBX_BLOCKS_FUNCTION_RELATIVE): Remove definition.
765 (ASM_IDENTIFY_GCC): Remove definition.
766 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove definition.
767 (ASM_OUTPUT_SOURCE_LINE): Remove definition.
768 (DBX_FUNCTION_FIRST): Remove definition.
769 (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Remove definition.
771 * config/elfos.h: Include new header file dbxelf.h.
772 (DBX_DEBUGGING_INFO): Remove definition.
773 (DBX_BLOCKS_FUNCTION_RELATIVE): Remove definition.
774 (ASM_IDENTIFY_GCC): Remove definition.
775 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove definition.
776 (ASM_OUTPUT_SOURCE_LINE): Remove definition.
777 (DBX_FUNCTION_FIRST): Remove definition.
779 * config/dbxelf.h: New header file.
780 (DBX_DEBUGGING_INFO): Define.
781 (DBX_BLOCKS_FUNCTION_RELATIVE): Define.
782 (DBX_FUNCTION_FIRST): Define.
783 (DBX_USE_BINCL): Define.
784 (DBX_CONTIN_LENGTH): Define.
785 (ASM_IDENTIFY_GCC): Define.
786 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Define.
787 (ASM_OUTPUT_SOURCE_LINE): Define.
788 (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Define.
790 Fri Mar 26 01:59:15 1999 "Charles M. Hannum" <root@ihack.net>
792 * fold-const.c (fold_truthop): Optimize bitfield references with
793 different masks as long as their size and bit position are the same.
795 * fold-const.c (fold_truthop): Build a type for both the lhs and
796 rhs and use it appropriately.
798 * fold-const.c (fold_truthop): Mask the lhs and rhs after merging
799 adjacent bitfield references.
801 * fold-const.c (fold_truthop): Verify that the lhs and rhs are
802 in the same bit position when optimizing bitfield references
803 which have the same mask.
805 Thu Mar 25 22:53:27 1999 Martin von Löwis <loewis@informatik.hu-berlin.de>
807 * gcc.texi (Copy Assignment): New node.
809 1999-03-25 Zack Weinberg <zack@rabi.columbia.edu>
811 * gcc.c: Compile unconditionally all code formerly dependent
812 on #ifdef LANG_SPECIFIC_DRIVER.
813 * gccspec.c: New file with stub lang_specific_driver,
814 lang_specific_pre_link.
815 * Makefile.in: Link gccspec.o into xgcc. Add rule to compile
817 Thu Mar 25 21:08:02 1999 Jason Merrill <jason@yorick.cygnus.com>
819 * gcc.texi (Temporaries): Update.
821 Thu Mar 25 16:53:53 1999 Richard Henderson <rth@cygnus.com>
823 * combine.c (distribute_notes): Place REG_LABEL also where
826 Thu Mar 25 12:46:37 1999 Jim Wilson <wilson@cygnus.com>
828 * a29k/a29k.h (TARGET_SWITCHES): Add doc strings.
829 * i960/i960.h (TARGET_SWITCHES): Add doc strings.
830 * invoke.texi (a29k): Add documentation for -mno-multm option.
832 Thu Mar 25 14:04:54 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
834 * rtl.texi (RTX_FRAME_RELATED_P): Add documentation.
835 * rtl.h (struct rtx_def): Update comment for frame_related field.
836 (set_unique_reg_note): Declare prototype.
837 * dwarf2out.c (dwarf2out_frame_debug_expr): Split out from
838 'dwarf2out_frame_debug' to handle only expressions, and process
839 component parts of a PARALLEL expression.
840 (dwarf2out_frame_debug): Process insns only, and call
841 new function 'dwarf2out_frame_debug_expr' for patterns.
842 * emit-rtl.c (set_unique_reg_note): New function to add a reg note,
843 but if there is an existing one, delete it first.
844 * expmed.c (expand_mult, expand_divmod): Use set_unique_reg_note.
845 * optabs.c (add_equal_note, expand_binop): Use set_unique_reg_note.
846 (emit_no_conflict_block, emit_libcall_block): Use set_unique_reg_note.
847 (expand_fix): Use set_unique_reg_note.
849 Thu Mar 25 11:47:49 1999 Art Haas <ahaas@neosoft.com>
851 * tlink.c (symbol_hash_newfunc): Remove redundant call to
853 (file_hash_newfunc, demangled_hash_newfunc): Likewise.
855 Thu Mar 25 10:05:56 1999 Richard Henderson <rth@cygnus.com>
857 * i386.h (PREFERRED_STACK_BOUNDARY): Set to 128.
859 1999-03-25 Philip Blundell <pb@nexus.co.uk>
861 Based on patch from Jim Studt <jim@federated.com>:
862 * config/arm/linux-elf.h (STARTFILE_SPEC, ENDFILE_SPEC): Copy
863 definitions from config/linux.h.
864 (DBX_BLOCKS_FUNCTION_RELATIVE): Define to 1.
866 Thu Mar 25 02:12:42 1999 Finn Hakansson <finn@axis.com>
868 * loop.c (strength_reduce): Correct a comment.
870 * rtl.h (MEM_COPY_ATTRIBUTES): Remove unnecessary ending backslash.
872 Thu Mar 25 02:02:13 1999 Axel Thimm <Axel.Thimm@physik.fu-berlin.de>
874 * Makefile.in (RANLIB_TEST): Improve test.
876 Thu Mar 25 01:15:33 1999 Donn Terry <donn@interix.com>
878 * combine.c (force_to_mode, case PLUS): Use sign extended mask
879 when masking the low bits out of a constant.
881 Tue Mar 23 15:45:25 1999 Richard Earnshaw (rearnsha@arm.com)
882 Jeff Law <law@cygnus.com>
884 * fold-const.c (make_range): If orig_type is unset, set it as soon
885 as we know the type. Remove now unnecessary set of orig_type for
888 Wed Mar 24 23:27:25 1999 Mark Elbrecht <snowball3@usa.net>
889 Jeff Law <law@cygnus.com>
891 * system.h (STDIN_FILENO): Provide default definition if one is not
892 provided by the system header files.
893 (STDOUT_FILENO, STDERR_FILENO): Likewise.
895 * i386/xm-djgpp.h (COLLECT2_HOST_INITIALIZATION): New macro.
896 * collect2.c (main): Use it.
897 (pexecute_pid): New variable. Holds return value from call to pexecute.
898 (collect2_execute): Rework to use pexecute instead of fork.
899 (collect2_wait): Use pwait() instead of wait().
901 * i386/djgpp.h: Fix typo.
903 Wed Mar 24 23:24:30 1999 Jeffrey A Law (law@cygnus.com)
905 * fixinc/mkfixinc.sh: Recognize cygwin* instead of only
908 Wed Mar 24 15:44:12 1999 Nick Clifton <nickc@cygnus.com>
910 * config/m32r/m32r.c (init_idents): Accept both NAME and __NAME__
911 versions of attribute names and values.
912 (m32r_valid_machine_decl_attribute): Likewise.
913 (m32r_encode_section_info): Likewise.
915 Wed Mar 24 21:42:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
917 * reload1.c (choose_reload_regs): If output-reloading for a
918 simple move insn, try to inherit an equivalence for the input.
920 1999-02-24 Mike Stump <mrs@wrs.com>
922 * arm/aout.h (DBX_OUTPUT_MAIN_SOURCE_FILENAME): Fix quoting.
924 1999-03-24 Jim Blandy <jimb@zwingli.cygnus.com>
926 * libgcc2.c (__CTOR_LIST__, __DTOR_LIST__): Initialize on all
929 Wed Mar 24 01:35:01 1999 Geoff Keating <geoffk@ozemail.com.au>
931 * fold-const.c (fold): Recognize a rotate by an unsigned amount.
933 Tue Mar 23 23:32:14 1999 Jeffrey A Law (law@cygnus.com)
935 * pa.md (rotlsi3): New expander. Synthesize a variable rotate
936 left using a variable rotate right. Provide anonymous pattern for
937 rotate left by a constant value.
939 * expr.c (expand_assignment): Do not try to optimize a aggregate
940 address which has VOIDmode.
942 Tue Mar 23 22:51:48 1999 Mumit Khan <khan@xraylith.wisc.edu>
943 Donn Terry <donn@interix.com>
945 * protoize.c (abspath): Preserve multiple leading slashes for
948 1999-01-23 Mike Stump <mrs@wrs.com>
950 * arm/vxarm.h: Split out vxWorks support into separate headerfile
952 * arm/arm.c (cpu_defaults): Allow arm710 as default.
954 * configure.in: Split out vxWorks support for Arm.
955 * configure: Rebuilt.
957 Tue Mar 23 11:20:03 1999 Per Bothner <bothner@cygnus.com>
959 * tree.c (first_rtl_op, has_cleanups): Handle GOTO_SUBROUTINE_EXPR.
961 Tue Mar 23 09:00:39 1999 Nick Clifton <nickc@cygnus.com>
963 * config/arm/riscix1.h (SUBTARGET_SWITCHES): Add doc string.
964 * config/arm/riscix1-1.h (SUBTARGET_SWITCHES): Add doc string.
966 Tue Mar 23 07:50:20 1999 Mark Mitchell <mark@codesourcery.com>
968 * function.c: Include hash.h.
969 (insns_for_mem_entry): New struct.
970 (put_reg_into_stack): Take an optional hash-table mapping MEMs to
971 the INSNs that use them.
972 (fixup_var_refs): Likewise.
973 (put_addressof_into_stack): Likewise.
974 (purge_addressof_1): Likewise. Keep the hash-table up to date if
975 we add new instructions.
976 (fixup_var_refs_insns): Use it to avoid searching the entire
978 (insns_for_mem_newfunc): New function.
979 (insns_for_mem_comp): Likewise.
980 (insns_for_mem_walk): Likewise.
981 (compute_insns_for_mem): Likewise.
982 (pop_function_context_from): Pass NULL for the hash-table.
983 (put_var_into_stack): Likewise.
984 (gen_mem_addressof): Likewise.
985 (flush_addressof): Likewise.
986 (purge_addressof): Call compute_insns_for_mem to pre-compute the
988 * Makefile.in (OBJS): Include hash.o.
989 (function.o): Depend on hash.h.
991 Tue Mar 23 00:39:14 1999 Jeffrey A Law (law@cygnus.com)
993 * i386/openbsd.h (TARGET_DEFAULT): Use symbolic names instead of
995 * i386/netbsd.h, i386/freebsd.h: Likewise.
997 * crtstuff.c: Use ANSI function definitions. Fix minor whitespace
1000 * i386/openbsd.h (TARGET_DEFAULT): Define.
1001 * configure.in: Do not set TARGET_CPU_DEFAULT for x86 OpenBSD
1003 * configure: Rebuilt.
1005 Tue Mar 23 00:39:10 1999 John Wehle (john@feith.com)
1007 * i386/freebsd.h (TARGET_DEFAULT): Define instead
1008 of TARGET_CPU_DEFAULT.
1009 * i386/netbsd.h (TARGET_DEFAULT): Likewise.
1011 Mon Mar 22 23:52:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
1012 Donn Terry <donn@interix.com>
1014 * sdbout.c (syms.h): Don't include on Interix.
1015 * toplev.c (main): No sbrk on Interix.
1017 * configure.in: Add i386-pc-interix support.
1018 * configure: Regenerate.
1019 * fixinc.interix: New file.
1020 * config/interix.h: New file.
1021 * config/x-interix: New file.
1022 * config/xm-interix.h: New file.
1023 * i386/interix.h: New file.
1024 * i386/interix.c: New file.
1025 * i386/t-interix: New file.
1027 Mon Mar 22 23:41:49 1999 Jeffrey A Law (law@cygnus.com)
1029 * i386.h (PREFERRED_STACK_BOUNDARY): Define.
1031 Mon Mar 22 23:41:31 1999 John Wehle (john@feith.com)
1033 * i386.c (ix86_compute_frame_size): New function.
1034 (ix86_prologue, ix86_epilogue): Use it.
1035 * i386.h (INITIAL_ELIMINATION_OFFSET): Likewise.
1036 * reload1.c: Provide default for PREFERRED_STACK_BOUNDARY.
1038 Mon Mar 22 18:06:59 1999 Jim Wilson <wilson@cygnus.com>
1040 * mips/mips.h (TARGET_SWITCHES, TARGET_OPTIONS): Add option doc
1042 * mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Likewise.
1044 Mon Mar 22 16:18:27 1999 Nick Clifton <nickc@cygnus.com>
1046 * config/arm/elf.h (VALID_MACHINE_DECL_ATTRIBUTE): Do not bother
1047 passing ATTRIBUTES to arm_valid_machine_decl_attribute.
1049 * config/arm/coff.h (VALID_MACHINE_DECL_ATTRIBUTE): Do not bother
1050 passing ATTRIBUTES to arm_valid_machine_decl_attribute.
1052 * config/arm/arm.h (DEFAULT_RTX_COSTS): Do not bother passing
1053 OUTER_CODE to arm_rtx_costs - it is not used.
1054 (arm_compare_fp): Delete declaration.
1055 (FINAL_PRESCAN_INSN): Do not bother passing OPVEC or NOPERANDS to
1056 arm_final_prescan_insn - they are not used.
1057 (const_ok_for_op): Remove prototype.
1058 (arm_rtx_costs): Fix prototype.
1059 (arm_valid_machine_decl_attribute): Fix prototype.
1060 (final_prescan_insn): Fix prototype.
1062 * config/arm/arm.md: Remove references to arm_compare_fp.
1064 * config/arm/arm.c (arm_compare_fp): Delete.
1065 (const_ok_for_op): Make function static. Add prototype. Remove
1066 mode parameter - it is unused.
1067 (arm_rtx_costs): Remove outer_code parameter.
1068 (reload_memory_operand): Declare mode parameter unused.
1069 (power_of_two_operand): Declare mode parameter unused.
1070 (equality_operator): Declare mode parameter unused.
1071 (load_multiple_operation): Declare mode parameter unused.
1072 (store_multiple_operation): Declare mode parameter unused.
1073 (multi_register_push): Declare mode parameter unused.
1074 (arm_valid_machine_decl_attribute): Remove attributes parameter -
1076 (select_dominance_cc_mode): Remove op parameter - it is unused.
1077 (gen_compare_reg): Remove fp parameter - it is unused.
1078 (final_prescan_insn): Remove opvec and noperands parameters - they
1081 Mon Mar 22 14:35:28 1999 Nick Clifton <nickc@cygnus.com>
1083 * tm.texi (MD_SCHED_INIT): Add missing closing parenthesis.
1085 Mon Mar 22 22:24:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1087 * reload1.c (reload_as_needed): Set reload_is_output_reload /
1088 reload_has_output_reload for auto_inc expressions that could be
1089 reloaded. Call forget_old_reloads for REG_INC notes.
1091 Mon Mar 22 21:51:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1093 * cse.c (cse_insn): Don't change the result register of a libcall.
1095 Mon Mar 22 21:08:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1097 * rtl.h (shallow_copy_rtx): Declare.
1098 * rtl.c (shallow_copy_rtx): New function.
1099 * reload.c (find_reloads_toplev): Use shallow_copy_rtx instead of
1102 Mon Mar 22 10:44:33 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
1104 * config/h8300/h8300.md (adjust_length): New attribute.
1105 (modhi3+1, andsi3+1, iorsi3+1, extzv+1, extzv+2): Change insn
1106 default value of attribute "adjust_length" onto "no".
1108 * config/h8300/h8300.c (h8300_adjust_insn_length): Adjust
1109 length only if the attribute "adjust_length" value is "yes".
1110 Use 0 if the shift is negative.
1112 * final.c (shorten_branches): Check insn length after its
1115 Sun Mar 21 17:33:48 1999 Jeffrey A Law (law@cygnus.com)
1117 * i860.h (TARGET_SWITCHES): Add documentation for default case.
1118 * i860/paragon.h (TARGET_SWITCHES): Add documentation for default case.
1119 * i370.h (TARGET_SWITCHES): Add documentation for default case.
1120 * fx80.h (TARGET_SWITCHES): Add documentation for default case.
1121 * elxsi.h (TARGET_SWITCHES): Add documentation for default case.
1122 * clipper.h (TARGET_SWITCHES): Add documentation for default case.
1123 * 1750a.h (TARGET_SWITCHES): Add documentation for default case.
1124 * pa.h (TARGET_SWITCHES): Add documentation for default case.
1125 (TARGET_OPTIONS): Likewise for default case.
1126 * mn10300.h (TARGET_SWITCHES): Add documentation for default case.
1127 * h8300.h (TARGET_SWITCHES): Add documentation for default case.
1129 * gcse.c (dump_hash_table): Fix whitespace in declaration.
1130 (compute_transpout): Renamed from pre_compute_transpout.
1131 (compute_pre_*): Deleted.
1132 (pre_expr_reaches_here_p): New argument, CHECK_PRE_COMP. All
1134 (insert_insn_end_bb): Renamed from pre_insert_insn.
1135 (pre_*): Delete unused variables. Only leave local properties and
1136 global redundant/optimal computation points.
1137 (alloc_pre_mem, free_pre_mem): Corresponding changes.
1138 (compute_pre_data): Simplify and call pre_lcm to run the lazy
1139 code motion dataflow analysis.
1140 (pre_insert, pre_insert_copies, pre_delete): Revamp to use LCM
1141 based redundant and optimal computation points.
1143 * basic-block.h (pre_lcm, pre_rev_lcm): Declare.
1145 * toplev.c (main): A debug option without a level defaults to
1148 Sun Mar 21 12:13:01 1999 Nick Clifton <nickc@cygnus.com>
1150 * flow.c (can_delete_label_p): Do not allow user specified
1151 labels to be deleted.
1152 * dwarf2out.c (gen_label_die): Generate addresses for deleted
1153 (programmer specified) labels.
1154 * dwarfout.c (output_label_die): Generate addresses for deleted
1155 (programmer specified) labels.
1157 1999-03-21 Manfred Hollstein <manfred@s-direktnet.de>
1159 * Makefile.in (xgcc$(exeext)): Add intl.o to list of files to be
1162 Sun Mar 21 01:15:03 PST 1999 Jeff Law (law@cygnus.com)
1164 * version.c: Bump for snapshot.
1166 Sat Mar 20 22:26:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1168 * sparc.h (TARGET_SWITCHES): Add null description to default case.
1170 Sat Mar 20 21:46:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1172 * c-lex.c (yylex): Remove unused variable `bytes'.
1174 * flow.c (print_rtl_with_bb): Cast the return value of alloca.
1176 * function.c (assign_parms): Wrap variable `varargs_setup' in
1177 macro SETUP_INCOMING_VARARGS.
1178 (thread_prologue_and_epilogue_insns): Mark parameter `f' with
1181 * local-alloc.c (no_equiv): Likewise for parameter `store'.
1183 * sched.c (schedule_insns): Remove unused variables `insn' and `next'.
1185 * tlink.c (symbol_hash_newfunc, symbol_hash_lookup,
1186 file_hash_newfunc, file_hash_lookup, demangled_hash_newfunc,
1187 demangled_hash_lookup, symbol_push, symbol_pop, file_push,
1188 file_pop, tlink_init, tlink_execute, frob_extension,
1189 obstack_fgets, tfgets, pfgets, freadsym, read_repo_file,
1190 maybe_tweak, recompile_files, read_repo_files,
1191 demangle_new_symbols, scan_linker_output): Add static prototype.
1193 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc):
1194 Make the third argument a `hash_table_key'.
1196 * toplev.c (debug_start_source_file): Mark parameter `filename'
1197 with ATTRIBUTE_UNUSED.
1199 Sun Mar 21 02:28:21 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1201 * tm.texi (Varargs): Don't split argument of @item across lines.
1203 * invoke.texi: Fix use of @item vs @itemx.
1205 Sun Mar 21 09:59:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1207 * config/c4x/c4x.h (TARGET_SWITCHES): Add null description to
1210 Sat Mar 20 23:33:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1212 * loop.c (check_dbra_loop): Fix debug message.
1214 Sat Mar 20 15:54:35 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1216 * config/c4x/c4x.md (decrement_and_branch_on_count): Emit rptb_end
1217 pattern instead of decrement_and_branch_until_zero pattern.
1219 Sat Mar 20 11:39:58 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1221 * config/c4x/c4x.h (TARGET_SWITCHES): Add documentation.
1222 * config/c4x/c4x.h (TARGET_OPTIONS): Add documentation.
1224 Fre Mar 19 23:26:29 1999 Martin von Löwis <loewis@informatik.hu-berlin.de>
1226 * expr.c (expand_expr): Handle ERROR_MARK much earlier.
1228 Fri Mar 19 15:28:38 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1230 * cccp.c (create_definition): Cast to U_CHAR* when assigning to one.
1232 * cppfiles.c (read_and_prescan): Likewise.
1233 Start a #define in column 0.
1235 * cpplib.c (cpp_define): Cast to U_CHAR* when assigning to one.
1236 (cpp_push_buffer): Likewise for cpp_buffer*.
1237 (do_include): Change the type of `fbeg' and `fend' to unsigned char*.
1238 (do_endif): Cast to char* when assigning to one.
1239 (do_assert): Likewise.
1240 (do_unassert): Likewise.
1241 (cpp_read_check_assertion): Change the type of `name' to U_CHAR*.
1242 Don't do unnecessary cast to char* anymore.
1244 * genrecog.c (make_insn_sequence): Cast to char** when assigning
1245 to one. Cast the first argument of bzero to PTR.
1247 * loop.c (strength_reduce): Remove unused variable `note'.
1249 * reload1.c (new_insn_chain): Cast to struct insn_chain* when
1252 * rtl.c (copy_rtx): Use memcpy instead of bcopy.
1254 Fri Mar 19 11:19:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1256 * calls.c (initialize_argument_information): Mark parameters
1257 `num_actuals' and `n_named_args' with ATTRIBUTE_UNUSED.
1259 * dbxout.c (dbxout_start_new_source_file): Likewise for parameter
1261 (dbxout_finish): Likewise for parameters `file' and `filename'.
1262 (dbxout_prepare_symbol): Likewise for parameter `decl'.
1263 (dbxout_begin_function): Likewise.
1265 * explow.c (hard_function_value): Likewise for parameter `func'.
1267 * function.c (locate_and_pad_parm): Likewise for parameter `fndecl'.
1269 * expmed.c (expand_divmod): Omit unused argument to `expand_abs'.
1270 * expr.c (expand_expr): Likewise.
1271 * expr.h (expand_abs): Delete unused argument from prototype.
1272 * optabs.c (expand_abs): Remove unused parameter `unsignedp'.
1274 * sdbout.c (sdbout_init): Mark parameter `syms' with ATTRIBUTE_UNUSED.
1275 (sdbout_end_block): Likewise for parameter `n'.
1277 * toplev.c (debug_define): Likewise for parameters `lineno' and
1279 (debug_undef): Likewise.
1281 * varasm.c (named_section): Likewise for parameter 'reloc'.
1282 (assemble_external): Likewise for parameter `decl'.
1283 (assemble_alias): Likewise for parameter `target'.
1285 Fri Mar 19 01:54:30 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1287 * toplev.c (read_integral_parameter): Constify. Better control of
1289 (main): Use read_integral_parameter to set optimize, id_clash_len,
1290 larger_than_size, and the debugging level.
1291 * toplev.h (read_integral_parameter): Update prototype.
1293 Fri Mar 19 01:42:05 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
1295 * system.h: Use putc_unlocked, fputc_unlocked, and
1296 fputs_unlocked only if putc_unlocked has a prototype already.
1297 Prototype fputs_unlocked if necessary.
1298 * configure.in: Check for prototypes of putc_unlocked and
1300 * acconfig.h: Updated.
1301 * config.in, configure: Rebuilt.
1303 Fri Mar 19 02:45:12 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
1305 * Makefile.in (INTL_TARGETS): New macro.
1306 ($(INTL_TARGETS)): Depend on generated sources; drop dependencies
1307 on cp/parse.c and objc/objc-parse.c.
1308 ($(srcdir)/cp/parse.c): Move to cp/Make-lang.in.
1309 * objc/Make-lang.in ($(INTL_TARGETS)): Depend on objc/objc-parse.c.
1311 Thu Mar 18 22:28:53 1999 Jeffrey A Law (law@cygnus.com)
1313 * i860.h (TARGET_SWITCHES): Add documentation.
1314 * i860/paragon.h (TARGET_SWITCHES): Add documentation.
1315 * i370.h (TARGET_SWITCHES): Add documentation.
1316 * fx80.h (TARGET_SWITCHES): Add documentation.
1317 * elxsi.h (TARGET_SWITCHES): Add documentation.
1318 * clipper.h (TARGET_SWITCHES): Add documentation.
1319 * 1750a.h (TARGET_SWITCHES): Add documentation.
1320 * pa.h (TARGET_SWITCHES): Add documentation.
1321 (TARGET_OPTIONS): Likewise.
1322 * mn10300.h (TARGET_SWITCHES): Add documentation.
1323 * h8300.h (TARGET_SWITCHES): Add documentation.
1325 Thu Mar 18 15:58:26 1999 Nick Clifton <nickc@cygnus.com>
1327 * loop.c (strength_reduce): Do not perform pseudo replacements
1328 if the loop contains volatile memory references.
1330 Thu Mar 18 19:09:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1332 * reload.c (find_reloads_toplev): When processing X recursively,
1333 don't alter it destructively except by filling in constants.
1335 Thu Mar 18 10:14:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1337 * cccp.c (default_include): Initialize structure members.
1338 (pass_thru_directive): Change the type of 'keyword_length' to int.
1339 (main): Cast `bindtextdomain' and `textdomain' to (void).
1341 * collect2.c (main): Likewise.
1343 * cppmain.c (main): Likewise.
1345 * gcc.c (main): Likewise.
1347 * gcov.c (main): Likewise.
1349 * protoize.c (main): Likewise.
1351 * toplev.c (main): Likewise.
1353 1999-03-18 Gavin Romig-Koch <gavin@cygnus.com>
1355 * config/mips/mips.c (mips_explicit_type_size_string): Correct
1358 Thu Mar 18 01:24:25 1999 Jeffrey A Law (law@cygnus.com)
1360 * configure.in: Use "exit 1", not "exit (1)".
1361 * configure: Rebuilt.
1363 Wed Mar 17 23:17:42 1999 Mark Kettenis <kettenis@gnu.org>
1365 * config/t-gnu (SYSTEM_HEADER_DIR): New variable. Set to
1366 `/include' in order to find the system's limits.h.
1368 Wed Mar 17 23:00:18 1999 Robert Lipe <robertlipe@usa.net>
1370 * fixinc/fixincl.c: Include auto-host.h instead of config.h.
1371 * fixinc/procopen.c: Likewise.
1372 * fixinc/regex.c: Likewise.
1373 * fixinc/server.c: Likewise.
1375 Wed Mar 17 22:46:13 1999 Mark Elbrecht <snowball3@usa.net.
1377 * config/i386/go32.h: Delete.
1378 * config/i386/djgpp.h: New. Renamed from go32.h.
1379 Added -DDJGPP=2 to CPP_PREDEFINES.
1380 * config/i386/go32-rtems.h: Delete.
1381 * config/i386/djgpp-rtems.h: New. Renamed from go32-rtems.h.
1382 Added -DDJGPP=2 to CPP_PREDEFINES.
1383 * config/i386/xm-go32.h: Delete.
1384 * config/i386/xm-djgpp.h: New. Renamed from xm-go32.h.
1385 * config/i386/x-go32: Delete.
1386 * config/i386/x-djgpp: New. Renamed from x-go32.
1387 * config/i386/t-go32: Delete.
1388 * config/i386/t-djgpp: New. Renamed from t-go32.
1389 * configure.in(pc-msdosdjgpp): Set xm_file to i386/xm-djgpp.h.
1390 Set tm_file to i386/djgpp.h. Set tmake_file to i386/t-djgpp.
1391 Set xmake_file to i386/x-djgpp.
1392 (*-go32-msdos, *-go32*): Remove entries. Warn that GO32/DJGPP V1.X
1393 is now unsupported and *-pc-msdosdjgpp for DJGPP V2.X should be
1395 * configure: Rebuilt.
1397 * gcc.c (process_command): Dump link_command_spec too.
1399 Wed Mar 17 20:38:08 1999 Jerry Quinn <jquinn@nortelnetworks.com>
1400 Jeff Law <law@cygnus.com>
1402 * pa.md: Add real PA8000 scheduling information.
1404 * pa.h (processor_type): Add PROCESSOR_8000 symbol.
1405 (ISSUE_RATE): Revamp, including PA8000 support.
1406 * pa.c (override_options): Add 8000 as -mschedule= option.
1407 Do not call strcmp if pa_cpu_string is null.
1408 * pa.md (attr cpu): Add 8000.
1409 * invoke.texi: Add documentation for PA8000 scheduling.
1411 Wed Mar 17 18:20:24 1999 David S. Miller <davem@redhat.com>
1413 * config/sparc/sparc.h (TARGET_SWITCHES, TARGET_OPTIONS):
1415 * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
1416 * config/sparc/splet.h (SUBTARGET_SWITCHES): Likewise.
1418 Wed Mar 17 14:51:19 1999 Richard Henderson <rth@cygnus.com>
1420 * flow.c (compute_immediate_dominators): New function.
1421 * basic-block.h (compute_immediate_dominators): Declare it.
1423 * alpha.h (HARD_REGNO_MODE_OK): Allow only 4 and 8 byte unit modes
1425 (MODES_TIEABLE_P): Define asymmetricly wrt modes illegal in FP regs.
1427 Wed Mar 17 14:41:41 1999 Nick Clifton <nickc@cygnus.com>
1429 * config/arm/aout.h (ASM_GENERATE_INTERNAL_LABEL): Fix compile
1431 * config/arm/arm.md: Fix various compile time warnings.
1432 * config/arm/arm.h: Fix various compile time warnings. Add
1433 function prototypes.
1434 * config/arm/arm.c: Fix various compile time warnings.
1435 (arm_override_options): Reorganize to separate tuning from
1437 (bit_count): New function: Return a count of the number of bits
1440 Wed Mar 17 21:29:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1442 * reload1.c (eliminate_regs): Don't keep REG_DEAD notes around for
1443 things that were eliminated.
1445 Wed Mar 17 12:16:26 1999 Richard Henderson <rth@cygnus.com>
1447 * function.c (fixup_var_refs_1): First try moving the expression
1448 directly into a register. Don't separate cc0 setter and user.
1450 Wed Mar 17 11:20:29 1999 Dave Brolley <brolley@cygnus.com>
1452 * cppfiles.c (PIPE_BUF): #define PIPE_BUF if not defined already.
1454 Wed Mar 17 09:25:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1456 * c-lex.c: Don't include setjmp.h.
1457 (parse_float): New static function.
1458 (pf_args): New struct.
1459 (yylex): Use them in call to `do_float_handler'.
1461 1999-03-16 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1463 * cexp.y (yyerror): Call verror to get a useful error message.
1466 * .gdbinit: Move command to put breakpoint at abort to end of file
1467 so that gdb does not bail out early.
1469 Tue Mar 16 15:30:19 1999 Nick Clifton <nickc@cygnus.com>
1471 * rtl.h: Rename prototype for free_bb_memory to free_bb_mem.
1473 Tue Mar 16 23:40:09 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1475 * sh.md (movsi_i): Move t/r alternative after r/rI alternative.
1477 Tue Mar 16 13:44:50 1999 Jim Wilson <wilson@cygnus.com>
1479 * mn10200/mn10200.md (addsi3, subsi3, ashlsi3, lshrsi3, ashrsi3):
1480 Delete emit_library_call_value declaration.
1482 1999-03-16 16:06 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1484 * cppfiles.c (read_and_prescan): Map backslash-newline to '\r'
1485 (which cannot otherwise appear in the processed buffer) and
1486 move it out of tokens that it appears in the middle of.
1487 Improve performance.
1488 (find_position): New function.
1490 * cpplib.c: \r (one character) indicates backslash
1491 newline, not \\\n (two characters). It cannot appear in the
1492 middle of a token. Call CPP_BUMP_LINE (pfile) whenever
1493 parsing moves past \n or \r. Increment pfile->lineno whenever
1494 a \n is placed into token_buffer. Only one mark can exist at
1495 a time, and CPP_BUMP_LINE must not be used while it is
1496 active. It is automatically cleared by cpp_pop_buffer and
1497 parse_goto_mark. \r is not in is_hor_space or is_space.
1499 (NEWLINE_FIX, NEWLINE_FIX1, adjust_position,
1500 update_position, count_newlines, parse_move_mark): Removed.
1501 (parse_string, copy_comment): New functions.
1502 (parse_name): Returns void.
1503 (parse_set_mark, parse_clear_mark, parse_goto_mark): Take only
1504 one argument, a cpp_reader *. Change for new marking scheme.
1505 (skip_comment): Handle CHILL line comments too. Second
1506 argument is now first character of comment marker; all callers
1507 changed. Issue error for unterminated block comment here.
1508 (cpp_skip_hspace): Recognize CHILL comments.
1509 (copy_rest_of_line): Likewise. Call skip_comment and
1510 parse_string directly, don't go through cpp_get_token. Emit
1511 "/**/" for block comments if -traditional (create_definition
1513 (do_define): Don't play with put_out_comments.
1514 (cpp_push_buffer): Initialize ->mark to -1.
1515 (cpp_buf_line_and_col): Just read out the values in the buffer
1517 (output_line_command): Use cpp_buf_line_and_col. Fix
1518 formatting. Remove stale code.
1519 (cpp_get_token): Break out string parsing code to
1520 parse_string. Use skip_comment for CHILL comments too. Use
1521 copy_comment for put_out_comments instead of dinking with
1522 marks. Remove stale code. Don't call output_line_command
1523 unless it's necessary.
1525 * cpplib.h (parse_marker): Removed.
1526 (struct cpp_buffer): Line_base is now a unsigned char *; add
1527 `mark' [long], remove `marks' [struct parse_marker *].
1528 (parse_set_mark, parse_clear_mark, parse_goto_mark): Update
1530 (CPP_BUMP_LINE, CPP_BUMP_BUFFER_LINE): New macros.
1531 * cppinit.c (is_hor_space, is_space): '\r' is not considered
1533 * cppexp.c (cpp_parse_expression): Use cpp_skip_hspace, not
1535 * cpphash.c (macarg): Disable line commands while expanding.
1537 Tue Mar 16 11:30:19 1999 Gavin Romig-Koch <gavin@cygnus.com>
1539 * c-lex.c (yylex) : Remove warning for integer literals being
1540 larger than the largest target int. Add warning for integer
1541 literal being larger than than its chosen type.
1543 Tue Mar 16 10:53:17 1999 Gavin Romig-Koch <gavin@cygnus.com>
1545 * invoke.texi: Add -mlong32 documentation.
1546 * config/mips/mips.h (mips_explicit_type_size_string): New.
1547 (TARGET_SWITCHES): Add 'long32'.
1548 (TARGET_OPTIONS): Add 'explicit-type-size'.
1549 (CC1_SPECS): Set -mexplicit-type-size.
1550 (LONG_MAX_SPEC): Change a use of 'no-long64' to 'long32'.
1551 * config/mips/abi64.h (LONG_MAX_SPEC): Same. Add 'mabi=32'.
1552 * config/mips/mips.c (mips_explicit_type_size_string): New.
1553 (override_options): Use it.
1554 * config/mips/osfrose.h (CC1_SPECS): Set -mexplicit-type-size.
1556 * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC):
1557 Pointer size now depends on both size longs and size of GP
1560 Tue Mar 16 10:22:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
1562 * config/mips/iris.h (CTORS_SECTION_ASM_OP,DTORS_SECTION_ASM_OP,
1563 dtors_section): Use Pmode == DImode rather than TARGET_LONG64.
1564 * config/mips/mips.c (override_options): Allow -mlong64 and
1565 -mint64 with -mips2 or less.
1566 * config/mips/mips.h (MASK_LONG64): Fix comment.
1567 (POINTER_SIZE): Use Pmode == DImode rather than TARGET_LONG64.
1568 (Pmode): Make Pmode the smaller of longs or gp registers.
1569 * invoke.texi: Note the new size for pointers.
1571 Mon Mar 15 22:45:25 1999 David Edelsohn <edelsohn@gnu.org>
1573 * rs6000.h (ASM_OUTPUT_{DOUBLE,FLOAT}): Always generate IEEE 754
1574 bit-pattern directly.
1575 (ASM_OUTPUT_REG_{PUSH,POP}): Delete.
1576 * rs6000.c (first_reg_to_save): If profiling and context needed,
1577 allocate a reg to save static chain for all ABIs. For AIX
1578 profiling, calculate parameter registers to save based on need.
1579 (output_function_profiler): Save and restore static chain around
1580 profile call for all ABIs.
1582 1999-03-15 21:39 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1584 * cppinit.c: Instead of one pending list, keep separate lists
1585 for each category of pending option: -D/-U, -A, -include,
1586 -imacros. Move the four partial include-path lists into the
1587 pending block. Use head and tail pointers so we don't ever
1588 have to reverse the lists.
1590 (cpp_start_read): Break out blocks of code to their own
1591 functions: install_predefs and initialize_dependency_output.
1592 Use path_include for C_INCLUDE_PATH and friends as well as
1593 CPATH. Remove include_defaults gunk. Warn about the
1594 combination of -lang-chill and -trigraphs. Optimize string
1595 bashing. Walk each pending list once, deallocating as we go.
1597 (append_include_chain): Brought over from cppfiles.c. Mark
1598 dirs as system include dirs if and only if appending to
1599 system include path. If opts->verbose, print a notice when a
1600 dir is dropped from the include path because it doesn't
1601 exist. Fix memory leak: this function is not supposed to copy
1604 (nreverse_pending, push_pending): Removed.
1605 (APPEND): New macro for adding to pending lists.
1606 (path_include): Can now add to any partial include path.
1607 (base_name): Bring over from cccp.c.
1608 (cpp_options_init): Allocate the pending block.
1609 (cpp_handle_option): Add --version. Exit after --help. Fix
1610 formatting. Order -ifoo options by frequency of usage.
1611 (install_predefs): New function, simplified version of code
1612 that was in cpp_start_read.
1613 (initialize_dependency_output): Likewise. Understand OBJECT_SUFFIX.
1615 * cppfiles.c (simplify_pathname): Export.
1616 (merge_include_chains): Don't nreverse the lists. If
1617 opts->verbose, print a notice when a duplicate dir is detected
1618 and dropped from the include path.
1619 (finclude): Fix excessive cleverness in setting
1620 fp->system_header_p.
1621 (actual_directory): Set x->sysp from
1622 CPP_BUFFER (pfile)->system_header_p so that one system header
1623 may include another with "".
1624 (deps_output): Fix double adjustment of deps_size which would
1625 cause all dependencies after the first two lines to be lost.
1627 * cpplib.c (cpp_unassert): New function.
1628 * cpplib.h: Lay out struct cpp_pending here. Adjust
1629 prototypes. Add include_prefix_len to struct cpp_options.
1631 Mon Mar 15 16:01:52 1999 Jim Wilson <wilson@cygnus.com>
1633 * config/misp/mips.h (REGISTER_MOVE_COST): Make the cost of moving
1634 from HI/LO/HILO/MD into general registers the same as for one
1635 of moving general registers to HI/LO/HILO/MD.
1637 Mon Mar 15 12:39:38 1999 Nick Clifton <nickc@cygnus.com>
1639 * config/m32r/m32r.c (init_idents): New function. Initialize
1640 static tree nodes for m32r specific attribute identifiers. Remove
1641 leading and trailing double underscores from the attribute names.
1642 (m32r_valid_machine_decl_attribute): Call init_idents.
1643 (m32r_encode_section_info): Call init_idents.
1645 Mon Mar 15 10:20:20 1999 Mark Mitchell <mark@markmitchell.com>
1647 * reload.c (find_reloads): Add a REG_LABEL note if we substitute a
1648 LABEL_REF for something else.
1650 Mon Mar 15 08:24:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1652 * fold-const.c (exact_real_inverse): Move variable `float_error'
1653 into the scope where it is used.
1654 (const_binop_1): New static function.
1655 (cb_args): New struct.
1656 (const_binop): Use them in call to `do_float_handler'.
1657 (fold_convert_1): New static function.
1658 (fc_args): New struct.
1659 (fold_convert): Use them in call to `do_float_handler'.
1661 Mon Mar 15 22:50:18 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1663 * rtlanal.c (auto_inc_p): New function.
1664 * rtl.h (auto_inc_p): Prototype it.
1665 * reload1.c (add_auto_inc_notes): New function.
1666 (reload): Strip REG_INC notes and call add_auto_inc_notes
1667 for each insn to restore them correctly.
1669 1999-03-15 Manfred Hollstein <manfred@s-direktnet.de>
1671 * fixinc/Makefile.in (procopen.o): List the actual
1674 Sun Mar 14 16:22:10 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1676 * cse.c (check_fold_consts): New static function.
1677 (cfc_args): New struct.
1678 (simplify_relational_operation): Use them in call to
1681 * toplev.c (do_float_handler): New function to wrap calls to
1682 setjmp/set_float_handler.
1684 * toplev.h (do_float_handler): Add extern prototype.
1686 * tree.c (build_real_from_int_cst_1): New static function.
1687 (brfic_args): New struct.
1688 (build_real_from_int_cst): Use them in call to
1691 Sun Mar 14 01:15:06 PST 1999 Jeff Law (law@cygnus.com)
1693 * version.c: Bump for snapshot.
1695 Sat Mar 13 17:37:18 1999 Richard Henderson <rth@cygnus.com>
1697 * haifa-sched.c (sched_analyze_1): Only clear reg_last_uses on a SET.
1699 Sat Mar 13 11:36:16 1999 Richard Earnshaw (rearnsha@arm.com)
1701 * arm.c (arm_split_constant): Don't try to force a constant to
1702 memory after arm_reorg has run.
1703 (after_arm_reorg): New static variable.
1704 (arm_reorg): Set it.
1705 (output_func_epilogue): Clear it.
1707 Fri Mar 12 20:26:32 1999 David Edelsohn <edelsohn@gnu.org>
1709 * configure.in ({rs6000,powerpc}-ibm-aix*): Set float_format to none.
1710 * configure: Rebuilt.
1712 Fri Mar 12 20:45:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1714 * unroll.c (loop_iterations): Don't return a final value for EQ
1717 Fri Mar 12 12:35:01 1999 Jim Wilson <wilson@cygnus.com>
1719 * reload1.c (calculate_needs_all_insns): When ignore equivalence
1720 setting insn, clear need_elim, need_reload, and need_operand_change.
1722 Fri Mar 12 07:54:43 1999 Bruce Korb <korb@datadesign.com>
1724 * fixinc/fixinc.*: Some changes from the fixincl-branch
1725 were not applied (??!!). Corrected.
1727 * fixinc/Makefile.in: Same thing.
1729 Fri Mar 12 00:51:43 1999 Jeffrey A Law (law@cygnus.com)
1731 * expr.c (expand_expr): Allow a CALL_EXPR with a mode wider than
1732 MAX_INTEGER_COMPUTATION_MODE.
1734 Thu Mar 11 14:00:58 1999 Richard Henderson <rth@cygnus.com>
1736 * alpha.h (HARD_REGNO_MODE_OK): Disallow QI/HImode in fp regs.
1737 (MODES_TIEABLE_P): Update.
1739 * alpha.md (ev5_e0): Conflict loads and stores.
1741 Thu Mar 11 13:55:52 1999 Richard Henderson <rth@cygnus.com>
1743 * machmode.h (smallest_mode_for_size): Prototype.
1744 * stor-layout.c (smallest_mode_for_size): Remove static.
1746 Thu Mar 11 21:25:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1748 * loop.c (strength_reduce): Don't do biv increment -> DEST_REG giv
1749 conversion if we don't know the lifetime.
1751 Thu Mar 11 20:37:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1753 * reload.1c (delete_address_reloads_1): Check for reloads of
1754 CURRENT_INSN even if it sets DST.
1756 Thu Mar 11 10:29:50 1999 Jason Merrill <jason@yorick.cygnus.com>
1758 * dwarf2out.c (add_AT_lbl_offset): Rename from add_AT_section_offset.
1759 (print_die, size_of_die, value_format, output_die): Adjust.
1761 Thu Mar 11 10:27:42 1999 Robert Lipe <robertlipe@usa.net>
1763 * dwarf2out.c (TEXT_SECTION_LABEL, DEBUG_LINE_SECTION_LABEL,
1764 DEBUG_INFO_SECTION_LABEL, ABBREV_SECTION_LABEL,
1765 text_section_label, debug_line_section_label,
1766 debug_info_section_label, abbrev_section_label): New.
1767 (output_compilation_unit_header): Emit label associated
1768 with section instead of section name itself.
1769 (out_pubnames, output_aranges, output_line_info,
1770 dwarf2out_finish): Likewise.
1771 (dwarf2out_init): Build internal label names for sections
1774 Thu Mar 11 17:28:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1776 * sh.md (mulsi3): End mul.l sequence with a no-op move.
1778 Thu Mar 11 08:52:02 1999 Bruce Korb <korb@datadesign.com>
1780 * Makefile.in: Activated fixinc/mkfixinc.sh.
1781 * configure.in: Activated fixinc/mkfixinc.sh.
1783 Thu Mar 11 01:38:02 1999 Mumit Khan <khan@xraylith.wisc.edu>
1785 * cppfiles.c (INO_T_EQ): Handle UWIN.
1787 * c-common.c (decl_attributes): Flag unrecognized attribute
1788 functions as warnings instead of as errors.
1790 Support for i386-pc-uwin.
1791 * i386/uwin.h: New file.
1792 * i386/xm-uwin.h: New file.
1793 * i386/t-uwin: New file.
1794 * i386/uwin.asm: New file.
1795 * configure.in (i[3456]86-*-uwin*): Define.
1796 Add Workaround for vfork bug when hosted on uwin.
1797 * configure: Regenerate.
1799 * cccp.c (INO_T_EQ): Undefine. UWIN has inodes.
1800 (absolute_filename): UWIN uses POSIX pathnames only.
1801 * libgcc2.c (getpagesize): Do not define for UWIN.
1802 (mprotect): Likewise.
1803 * protoize.c (dirent.h): Conditionally include.
1804 (fputc): Prototype only if it's not a macro.
1806 Wed Mar 10 02:49:04 1999 Jason Merrill <jason@yorick.cygnus.com>
1808 * configure.in: Remove init_priority stuff.
1810 1999-03-11 Colin Smith <colin@wrs.com>
1812 * sdbout.c (plain_type_1): Make boolean types work better with sdb.
1814 Thu Mar 11 00:20:52 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
1816 * gcc.texi: Update bug reporting instructions to match
1817 current ezmlm list reality.
1819 Wed Mar 10 23:11:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1821 * gcc.c (print_file_name, print_prog_name, spec_machine,
1822 read_specs, set_spec, lookup_compiler, build_search_list,
1823 putenv_from_prefixes, find_a_file, record_temp_file,
1824 delete_if_ordinary, handle_braces, do_spec, do_spec_1, find_file,
1825 is_directory, validate_switches, used_arg, default_arg,
1826 pfatal_with_name, perror_with_name, pfatal_pexecute, fatal, error,
1827 notice, add_preprocessor_option, add_assembler_option,
1828 add_linker_option, process_command, execute,
1829 unused_prefix_warnings, clear_args, fatal_error,
1830 lang_specific_driver, user_specs, compiler, link_command_spec,
1831 option_map, translate_options, make_temp_file, temp_name,
1832 programname, path_prefix, machine_suffix, just_machine_suffix,
1833 gcc_exec_prefix, standard_exec_prefix, standard_exec_prefix_1,
1834 md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1,
1835 standard_startfile_prefix, standard_startfile_prefix_1,
1836 standard_startfile_prefix_2, tooldir_base_prefix, tooldir_prefix,
1837 multilib_dir, temp_filename, temp_file, command, switchstr,
1838 infile, outfiles, input_filename, input_basename, input_suffix,
1839 check_live_switch, main): Qualify a char* with the `const' keyword.
1841 Wed Mar 10 20:28:29 1999 Jeffrey A Law (law@cygnus.com)
1844 * Makefile.in (OBJS): Add lcm.o.
1845 (lcm.o): Add dependencies.
1847 * gcse.c (compute_pre_local_properties): Delete.
1848 (compute_pre_data): Use compute_local_properties instead of
1849 compute_pre_local_properties.
1851 * gcse.c: More comments, whitespace and similar fixes.
1852 (dump_cuid_table, maybe_set_rd_gen, dump_cprop_data): Delete.
1853 (dump_pre_data, compute_cprop_local_properties): Likewise.
1854 (one_classic_gcse_pass): Lose unused argument. All callers changed.
1855 (compute_hash_table, compute_expr_hash_table): Likewise.
1856 (compute_set_hash_table, one_pre_gcse_pass, mark_call): Likewise.
1857 (cprop_insn, cprop, one_cprop_pass): Add new argument ALTER_JUMPS.
1858 All callers changed. Only alter jumps if ALTER_JUMPS is nonzero.
1859 Lose unused argument.
1860 (gcse_main): Always run a cprop pass after finishing global cse.
1861 (compute_local_properties): New function.
1862 (hash_scan_pat, hash_scan_insn): No longer call maybe_set_rd_gen.
1863 (compute_cprop_data): Use compute_local_properties.
1865 * gcse.c: Update various comments.
1866 (current_function_calls_longjmp): Delete declaration.
1868 * gcse.c (run_jump_opt_after_gcse): New variable.
1869 (gcse_main): Returns an integer.
1870 (hash_scan_set): Record initializations from CONST_DOUBLEs too.
1871 (try_replace_reg): Update some comments.
1872 (cprop_insn): Allow propagation into some JUMP_INSNs too.
1873 * rtl.h (gcse_main): Update prototype.
1874 * toplev.c (rest_of_compilation): If gcse_main returns nonzero,
1875 then run a jump optimization pass.
1876 * jump.c (delete_barrier_successors): Delete nop jumps too.
1878 Wed Mar 10 19:04:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1880 * sh.c (fp_arith_reg_operand): Actually test if reg is suitable
1881 for FP arithmetic. Changed caller.
1882 * sh.md (subsf3, subsf_i): Use fp_arith_reg_operand.
1884 Wed Mar 10 18:56:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1886 * reload1.c (choose_reload_regs): When inheriting from the frame
1887 pointer, don't clobber it.
1889 Wed Mar 10 08:01:52 1999 Bruce Korb <korb@datadesign.com>
1891 * fixinc/fixinc.*: Resync-ed with the files in this
1894 * fixinc/mkfixinc.sh: The machine case elements were
1895 out-of-order. (the ix86-*-linux-gnu* entry needed to
1898 Wed Mar 10 00:01:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1900 * reload1.c (reload_combine_note_store): Fix calculation of number
1901 of affected registers.
1903 Tue Mar 9 15:48:15 1999 Richard Henderson <rth@cygnus.com>
1905 * flow.c (tidy_fallthru_edge): Be more careful finding the last
1906 BARRIER of a list. Delete the cc0 setter as well as a cond jump.
1908 Tue Mar 9 15:26:02 1999 Hans-Peter Nilsson <hp@bitrange.com>
1910 * i386.md (ashlsi3 splitter): Fix typo in last change.
1912 Tue Mar 9 11:35:20 1999 Richard Henderson <rth@cygnus.com>
1914 * reg-stack.c (stack_reg_life_analysis): Use returnjump_p
1915 instead of an explicit test for RETURN.
1917 Tue Mar 9 09:33:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1919 * Makefile.in (toplev.o): Depend on $(BASIC_BLOCK_H).
1921 * toplev.c: Include basic-block.h.
1923 Tue Mar 9 02:08:17 1999 Jeffrey A Law (law@cygnus.com)
1925 * calls.c (load_register_parameters): New function.
1926 (expand_call): Use it.
1928 * calls.c (expand_call): Slightly reorganize code.
1930 * calls.c (compute_argument_addresses): New function.
1931 (rtx_for_function_call): New function.
1932 (expand_call): Use them.
1934 * i386.md (zero_extendhisi2): Split into an expander and anonymous
1935 pattern. Add new anonymous pattern for use when optimizing for
1936 size or for the PPro.
1937 (zero_extendqihi2, zero_extendqisi2): Likewise.
1939 Mon Mar 8 23:43:47 1999 Richard Henderson <rth@cygnus.com>
1941 * haifa-sched.c (sched_analyze_1): Fix last change -- add clobber
1942 dependencies to sets in the non-hard-reg case too.
1944 Mon Mar 8 18:55:21 1999 Marc Espie <espie@cvs.openbsd.org>
1946 * config/openbsd.h (HANDLE_SYSV_PRAGMA): Define.
1948 Mon Mar 8 16:04:44 1999 Jim Wilson <wilson@cygnus.com>
1950 * local-alloc.c (combine_regs): Don't combine if we have a hard reg
1951 for which CLASS_LIKELY_SPILLED_P is true.
1953 * unroll.c (loop_iterations): Only call loop_find_equiv_value if we
1954 have a REG or SUBREG.
1956 Mon Mar 8 15:27:42 1999 Jeffrey A Law (law@cygnus.com)
1958 * i386.md (ashlsi3): Revise comments. Provide new anonymous
1959 pattern for Pentium and PPro/PII. Reverse constraints in
1960 generic ashlsi3 anonymous pattern.
1962 * calls.c (initialize_argument_info): Accept a pointer to
1964 (expand_call): Pass the address of CUMULATIVE_ARGS.
1966 * rs6000/xm-sysv4.h (HOST_BITS_PER_LONGLONG): Remove #if 0.
1968 * mn10300.h (CASE_DROPS_THROUGH): Delete.
1969 * mn10200.h (CASE_DROPS_THROUGH): Delete.
1970 * h8300.h (CASE_DROPS_THROUGH): Delete.
1972 * flow.c (merge_blocks_nomove): For HAVE_cc0 targets, make sure
1973 to also delete the cc0 setter when deleting a conditional branch
1976 Mon Mar 8 18:47:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1978 * regmove.c (copy_src_to_dest): New argument max_old_uid.
1980 Mon Mar 8 08:23:00 1999 Bruce Korb <korb@datadesign.com>
1982 * ChangeLog: Merged entries from fixincl-branch.
1984 Sun Mar 7 11:48:56 1999 Richard Henderson <rth@cygnus.com>
1986 * haifa-sched.c (ENCODE_BLOCKAGE): Don't shift unit too far.
1987 (print_exp): Special case addition of a constant.
1988 (print_value) [CONST_INT]: Use HOST_WIDE_INT_PRINT_HEX.
1990 Sun Mar 7 11:21:02 1999 Richard Henderson <rth@cygnus.com>
1992 * haifa-sched.c (reg_last_clobbers): New.
1993 (reg_pending_clobbers, bb_reg_last_clobbers): New.
1994 (compute_block_backward_dependences): Allocate memory for them.
1995 (schedule_region): Likewise.
1996 (sched_analyze_1): Clobbers don't interfere with one another.
1997 They do interfere with sets ...
1998 (sched_analyze_2): ... and uses.
1999 (sched_analyze): Likewise.
2000 (sched_analyze_insn): Update reg_last_clobbers appropriately.
2002 Sun Mar 7 08:30:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2004 * gmon-sol2.c: Include config.h and system.h. Don't redundantly
2005 include system header files.
2007 (moncontrol, monstartup, _mcleanup, internal_mcount): Prototype.
2008 (_mcleanup): Add the `const' keyword to a char*.
2009 (internal_mcount): Declare `etext' as a char[] not a function.
2010 Cast `etext' to char* when calling `monstartup'.
2012 * sparc.c (frame_base_name, save_regs, restore_regs,
2013 build_big_number, sparc_cmodel_string, sparc_align_loops_string,
2014 sparc_align_jumps_string, sparc_align_funcs_string, code_model,
2015 cpu_default, cpu_table, output_function_prologue,
2016 output_function_epilogue, output_return,
2017 sparc_flat_output_function_prologue, ultra_code_names,
2018 sparc_flat_output_function_epilogue): Constify a char*.
2019 (hypersparc_adjust_cost): Add a default case in a switch.
2021 * sparc.h (sparc_cmodel_string, OVERRIDE_OPTIONS,
2022 sparc_cpu_select, sparc_align_loops_string,
2023 sparc_align_jumps_string, sparc_align_funcs_string,
2024 output_return): Constify a char*.
2026 * sparc.md (movdi): Change the comparison of HOST_BITS_PER_WIDE_INT
2027 so that we check "== 32", instead of "!= 64". Cast a value to
2028 HOST_WIDE_INT when comparing against one. Hide the declaration
2029 for variable `chain'.
2031 Sun Mar 7 08:05:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2033 * system.h (const, inline): Move the stage2 handling of these
2034 keywords-as-macros from here...
2036 * gansidecl.h (const, inline): ...to here.
2038 Sun Mar 7 02:44:15 1999 Richard Henderson <rth@cygnus.com>
2040 * recog.c (push_operand, pop_operand): VOIDmode needn't match modes.
2042 Sun Mar 7 01:58:47 1999 Richard Henderson <rth@cygnus.com>
2044 * cse.c (canon_hash): Never reject hard regs in CCmode.
2046 Sun Mar 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2048 * version.c: Bump for snapshot.
2050 Sat Mar 6 17:18:44 1999 Richard Earnshaw (rearnsha@arm.com)
2051 Richard Henderson <rth@cygnus.com>
2053 * flow.c (make_edges): Handle casesi that jump to default branch.
2054 If CASE_DROPS_THROUGH, force fallthru to block after casesi.
2056 Sat Mar 6 07:49:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2058 * c-aux-info.c (data_type, affix_data_type, gen_decl,
2059 gen_formal_list_for_type, gen_formal_list_for_func_def, gen_type):
2060 Qualify a char* with the `const' keyword.
2062 * c-common.c (declare_hidden_char_array, add_attribute, if_elt,
2063 declare_function_name, decl_attributes, format_char_info,
2064 check_format_info, binary_op_error): Likewise.
2066 * cexp.y (yyerror, error, pedwarn, warning, token): Likewise.
2068 * gcse.c (dump_hash_table): Likewise.
2070 * integrate.c (function_cannot_inline_p): Likewise.
2072 * optabs.c: Include insn-config.h earlier.
2073 (init_libfuncs, init_integral_libfuncs, init_floating_libfuncs):
2074 Qualify a char* with the `const' keyword.
2076 * real.c (asctoe24, asctoe53, asctoe64, asctoe113, asctoe,
2077 asctoeg, mtherr, ereal_atof): Likewise.
2079 * real.h (ereal_atof): Likewise.
2081 * sbitmap.c (dump_sbitmap_vector): Likewise.
2083 * sbitmap.h (dump_sbitmap_vector): Likewise.
2085 * stmt.c (nesting, n_occurrences, expand_start_case): Likewise.
2087 * toplev.c (rest_of_compilation): Likewise.
2089 * tree.h (function_cannot_inline_p, expand_start_case): Likewise.
2091 Fri Mar 5 23:16:42 1999 David Edelsohn <edelsohn@gnu.org>
2093 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Add 64-bit support and do
2094 not overwrite AIX link register save area.
2096 Fri Mar 5 23:08:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2098 * reload.c (find_reloads_subreg_address): Actually create the USE
2099 for the register, not the new memory location.
2101 Fri Mar 5 21:41:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2103 * reload1.c (emit_reload_insns): If pseudo that can't be replaced
2104 with its equivalent constant, fall back to reload_in.
2106 Fri Mar 5 13:20:39 1999 Richard Henderson <rth@cygnus.com>
2108 * Makefile.in: Delete .flow2 debugging files.
2110 Fri Mar 5 11:36:11 1999 Nick Clifton <nickc@cygnus.com>
2112 * config/arm/arm.c (arm_override_options): Change default target
2113 cpu selection so that enabling TARGET_APCS_32 does not override
2116 Fri Mar 5 19:26:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2118 * sh.h (SLOW_BYTE_ACCESS): Define to 1.
2119 (BOOL_TYPE_SIZE): Define.
2121 Fri Mar 5 02:14:54 1999 John Wehle (john@feith.com)
2123 * function.c (assign_stack_temp_for_type): Abort
2124 if mode == Blkmode and align is less than
2125 BIGGEST_ALIGNMENT / BITS_PER_UNIT.
2126 (assign_stack_temp_for_type): Round the size parameter
2127 passed to assign_stack_local instead of size itself.
2129 Thu Mar 4 15:00:35 1999 Richard Henderson <rth@cygnus.com>
2131 * flow.c (delete_unreachable_blocks): Mark blocks as they
2132 are put on to the worklist, not as they are taken off.
2134 Thu Mar 4 00:05:44 1999 Jeffrey A Law (law@cygnus.com)
2136 * function.c (current_function_has_computed_jump): Remove duplicate
2139 Wed Mar 3 19:09:11 1999 Jim Wilson <wilson@cygnus.com>
2141 * m68k/m68020-elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Undef.
2142 (STARTFILE_SPEC, ENDFILE_SPEC): Define to empty string.
2144 * sparc/elf.h (MULDI3_LIBCALL, DIVDI3_LIBCALL, UDIVDI3_LIBCALL,
2145 MODDI3_LIBCALL, UMODDI3_LIBCALL, STDC_0_IN_SYSTEM_HEADERS): Undef.
2146 (INIT_SUBTARGET_OPTABS): Define to empty.
2148 Wed Mar 3 00:00:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2150 * sh.c (force_into): New function.
2151 (expand_block_move): Use it.
2153 Tue Mar 2 10:39:43 1999 Nick Clifton <nickc@cygnus.com>
2155 * cccp.c (struct default_include): Add 'included' field.
2156 (main): Set 'included' field when a default include directory
2157 is added to the chain. If -v is specified list all default
2158 include directories which do not get appended to the chain.
2160 Tue Mar 2 09:24:10 1999 Nick Clifton <nickc@cygnus.com>
2162 * configure.in (gxx_include_dir): Rename to
2163 gcc_gxx_include_dir in order to prevent it being overridden by
2164 a top level Makefile.
2165 (gcc_tooldir): If $exec_prefix != $prefix then use the
2166 difference between the two as the basis for gcc_tooldir.
2168 * configure: Rebuild.
2170 * Makefile.in: Rename gxx_include_dir to gcc_gxx_include_dir.
2172 Tue Mar 2 16:45:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2174 * unroll.c (copy_loop_body): Don't make extra copies of
2175 NOTE_INSN_LOOP_CONT notes.
2177 Tue Mar 2 07:44:56 1999 Mark Mitchell <mark@markmitchell.com>
2179 * tree.c (save_tree_status): Don't treat functions with no context
2182 Tue Mar 2 09:37:05 1999 Robert Lipe <robertlipe@usa.net>
2184 * Makefile.in (MAKEINFO): Use makeinfo built from sibling
2185 tree when available.
2187 Tue Mar 2 10:12:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2189 * alpha.c (alpha_cpu_name, alpha_cpu_string, alpha_tp_string,
2190 alpha_fprm_string, alpha_fptm_string, alpha_mlat_string,
2191 current_function_file): Add the `const' keyword.
2192 (normal_memory_operand): Mark parameter `mode' with
2194 (alpha_expand_unaligned_load): Add a default case to a switch.
2196 * alpha.h (alpha_cpu_string, alpha_fprm_string, alpha_fptm_string,
2197 alpha_tp_string, alpha_mlat_string): Add the `const' keyword.
2198 (normal_memory_operand): Add prototype.
2200 * alpha.md: Cast an expression to `unsigned HOST_WIDE_INT' when
2201 comparing against one.
2203 Tue Mar 2 10:00:21 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2205 * mips.c (abort_with_insn): Make function static, add a prototype,
2206 constify 2nd parameter and mark with ATTRIBUTE_NORETURN.
2207 (current_function_file, mips_cpu_string, mips_isa_string,
2208 mips_abi_string, mips_no_mips16_string, mips_entry_string,
2209 mips_move_1word, mips_move_2words, output_block_move, load_store,
2210 override_options, make_temp_file, mips16_fp_args): Qualify a char*
2211 with the `const' keyword.
2213 * mips.h (current_function_file, mips_cpu_string, mips_isa_string,
2214 mips_abi_string, mips_entry_string, mips_no_mips16_string,
2215 mips_move_1word, mips_move_2words, output_block_move): Likewise.
2216 (abort_with_insn): Remove extern prototype.
2218 * mips.md: Qualify a char* with the `const' keyword.
2219 Remove many unused variables named `label'.
2221 Tue Mar 2 01:27:52 1999 H.J. Lu (hjl@gnu.org)
2223 * Makefile.in (cpp_install_dir, INSTALL_CPP, UNINSTALL_CPP): New
2225 (install-cpp, uninstall-cpp): New targets.
2226 (install-normal): Depend on $(INSTALL_CPP).
2227 (uninstall): Depend on $(UNINSTALL_CPP).
2228 * configure.in (cpp_install_dir): New, substitute.
2229 (tmake_file): Added t-install-cpp for --enable-cpp.
2230 * configure: Rebuilt.
2231 * cpp.sh: New cpp script.
2232 * config/t-install-cpp: New target fragment.
2234 Tue Mar 2 01:40:01 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2235 Jeffrey A Law (law@cygnus.com)
2237 * cse.c (fold_rtx): Update comments for (const (minus (label) (label)))
2239 (cse_insn): Avoid creating a bogus REG_EQUAL note for
2240 (const (minus (label) (label)))
2241 (record_jump_cond): Fix mismatched paren in comment.
2243 Tue Mar 2 01:07:12 1999 Dan Nicolaescu <dann@godzilla.ics.uci.edu>
2245 * final.c (end_final): There are 11 words in the "main header"
2248 Tue Mar 2 00:09:18 1999 Marc Espie <espie@cvs.openbsd.org>
2250 * extend.texi: Reference __extension__ in the index.
2252 Mon Mar 1 19:09:32 1999 Jim Wilson <wilson@cygnus.com>
2254 * Makefile.in (CROSS_FLOAT_H): Delete.
2255 (FLOAT_H): Use float_h_file.
2256 (rest.cross, stmp-int-hdrs): Delete gfloat.h dependency.
2258 (stmp-int-hdrs): Use FLOAT_H instead of gfloat.h.
2259 (mostlyclean): Delete gloat.h reference.
2260 (install-cross-rest, install-float-h-cross, stmp-headers): Update
2262 * configure.in (sparcv9-*-solaris2*): Set float_format to none.
2263 (sparc-*-solaris2*): Set float_format to none for 2.5 and higher.
2264 (float_h_file): Set from float_format. Substitute into Makefile.in.
2265 (float_format): No longer substitute into Makefile.in.
2266 * cross-make (FLOAT_H): Delete.
2267 * config/mips/t-cross64 (FLOAT_H): Delete.
2268 * configure: Rebuilt.
2270 Mon Mar 1 16:36:18 1999 Jeffrey A Law (law@cygnus.com)
2272 * mips.md (div_trap_normal, div_trap_mips16): Require the dependent
2273 insn to be an INSN before looking at its pattern.
2275 Mon Mar 1 15:03:51 1999 Jim Wilson <wilson@cygnus.com>
2277 * config/m68k/lb1sf68.asm (udivsi3): Change jmi to jcs. Fix comments.
2278 * config/m68k/m68k.h (LEGITIMATE_INDEX_REG_P): Reject SIGN_EXTEND of
2279 HImode reg when TARGET_5200.
2281 Mon Mar 1 21:44:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2283 From Toshiyasu Morita:
2284 * sh.h (CACHE_LOG): SH2 has cache, too.
2286 Mon Mar 1 14:23:36 1999 Catherine Moore <clm@cygnus.com>
2288 * toplev.c (compile_file): Disable -ffunction-sections and
2289 debugging warning if the object format is elf.
2291 Mon Mar 1 11:46:25 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
2293 * config/h8300/h8300.c (print_operand): Use 16 bit addressing
2294 when the data in 8-bit area and can not be addressed by 8-bit.
2296 Sun Feb 28 16:40:00 1999 Richard Henderson <rth@cygnus.com>
2298 * flow.c (create_basic_block): Disregard integrated bb notes.
2300 Sun Feb 28 15:57:06 1999 Richard Henderson <rth@cygnus.com>
2302 * sparc.md (blockage, nonlocal_goto_receiver): Set length to 0.
2304 Sun Feb 28 14:47:53 1999 Arturo Montes <mitosys@colomsat.com.co>
2306 * config/i386/t-sco5gas (crti.o): New target.
2308 Sun Feb 28 15:10:17 1999 David Edelsohn <edelsohn@gnu.org>
2310 * rs6000.md (elf_high, movsi_got, *movsi_got_internal,
2311 *movsi_got_internal_mem, GOT splitter, movdf_hardfloat32,
2312 movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64,
2313 load_multiple, allocate_stack, call_indirect_aix32,
2314 call_indirect_aix64, call_value_indirect_aix32,
2315 call_value_indirect_aix64, call_indirect_nt,
2316 call_value_indirect_nt): Use gpc_reg_operand instead of
2319 Sun Feb 28 15:10:17 1999 Michael Meissner <meissner@cygnus.com>
2321 * rs6000.md (one_cmplsi2, andsi3, iorsi3, xorsi3, *eqvsi3,
2322 *andcsi3, *iorcsi3, *nandsi3, *norsi3): Add alternatives to use CR
2324 * rs6000.c (and{,64}_operand): If the user did -ffixed-cr0, don't
2325 allow andi. or andis. which always set cr0.
2327 Sun Feb 28 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2329 * version.c: Bump for snapshot.
2331 Sun Feb 28 02:00:38 1999 Jeffrey A Law (law@cygnus.com)
2333 * invoke.texi: Update information for PA scheduling.
2335 Sat Feb 27 23:21:47 1999 Jerry Quinn <jquinn@nortelnetworks.com>
2336 Mike Stump <mrs@wrs.com>
2338 * pa.c (override_options): Change default to 7100LC.
2340 * pa.h (REG_ALLOC_ORDER): Change order to allocate left half of
2341 float regs before right half of float regs.
2343 Sat Feb 27 22:48:38 1999 H.J. Lu (hjl@gnu.org)
2344 Jeffrey A Law (law@cygnus.com)
2346 * frame.h: Update some comments.
2347 * defaults.h (TARGET_ATTRIBUTE_WEAK): Define.
2348 * crtstuff.c (__register_frame_info, __deregister_frame_info): Declare
2349 using TARGET_WEAK_ATTRIBUTE.
2350 (__do_global_dtors_aux): Check if __deregister_frame_info is
2351 zero before calling it.
2352 (__do_global_dtors): Likewise.
2353 (frame_dummy): Check if __register_frame_info is zero before
2355 (__frame_dummy): Likewise.
2357 Sat Feb 27 19:18:24 1999 Jeffrey A Law (law@cygnus.com)
2359 * SERVICE: Update from the FSF.
2361 Sat Feb 27 14:31:22 1999 Arturo Montes <mitosys@colomsat.com.co>
2363 * config/i386/t-sco5 (crti.o): New target.
2364 * config/i386/sco5.h (STARTFILE_SPEC): Include crti.o when
2366 * configure.in (i[34567]86-*-sco3.2v5*): Add crti.o.
2368 Sat Feb 27 01:12:40 1999 Jeffrey A Law (law@cygnus.com)
2370 * md.texi (prologue,epilogue): Document named patterns.
2372 Fri Feb 26 19:31:25 1999 Dave Love <fx@gnu.org>
2374 * md.texi, invoke.texi: Fix unterminated @xrefs.
2376 Fri Feb 26 15:33:45 1999 Richard Henderson <rth@cygnus.com>
2378 * genattrtab.c (simplify_knowing): Fix uninitialized read
2381 * genextract.c (main): Clear recog_operands before extracting.
2383 Fri Feb 26 02:24:57 1999 Jeffrey A Law (law@cygnus.com)
2385 * c-pragma.c (add_weak); Delete. Moved into...
2386 * varasm.c (add_weak): New external function.
2387 (declare_weak): If HANDLE_PRAGMA_WEAK, then add the function to
2388 the list of weak functions.
2389 * c-pragma (add_weak): Declare.
2391 Thu Feb 25 23:43:59 1999 Richard Henderson <rth@cygnus.com>
2393 Flow rewrite to use basic block structures and edge lists:
2395 * basic-block.h (x_basic_block_head, x_basic_block_end): Kill.
2396 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
2397 (struct edge_def): New.
2398 (struct basic_block_def): New.
2399 (basic_block_info): New.
2400 (BLOCK_HEAD, BLOCK_END): Update.
2401 (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): New.
2402 (uid_block_number): Kill.
2403 (basic_block_for_insn, BLOCK_FOR_INSN): New.
2404 (BLOCK_NUM): Update.
2405 * flow.c (XNMALLOC): Kill.
2406 (max_uid_for_flow): Kill.
2407 (uid_block_number): Kill.
2408 (uid_volatile): Turn into a bitmap.
2409 (SET_INSN_VOLATILE): New.
2410 (basic_block_info): New.
2411 (entry_exit_blocks): New.
2412 (x_basic_block_head, x_basic_block_end): Kill.
2413 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
2414 (flow_int_list_blocks, basic_block_succ, basic_block_pred): Kill.
2415 (basic_block_loop_depth): Kill.
2416 (basic_block_for_insn): New.
2417 (find_basic_blocks): Split out initial block counting into
2418 count_basic_blocks. Call functions split out of find_basic_blocks_1.
2419 (count_basic_blocks): New.
2420 (find_basic_blocks_1): Split out edge recognition, unreachable
2422 (create_basic_block): New.
2423 (compute_bb_for_insn): New.
2425 (free_bb_memory): Kill.
2426 (add_edge, add_edge_to_label): Kill.
2427 (mark_label_ref): Kill.
2428 (make_edges): Rewrite to use edge lists.
2429 (make_edge, make_label_edge): New.
2430 (mark_critical_edges): New.
2431 (split_edge, insert_insn_on_edge): New.
2432 (commit_one_edge_insertion, commit_edge_insertions): New.
2433 (delete_unreachable_blocks): Rewrite to use edge lists.
2434 Split out EH region manipulation into delete_eh_regions.
2435 Call tidy_fallthru_edge and merge_blocks.
2436 (delete_eh_regions): New.
2437 (delete_note_p): New.
2438 (delete_insn_chain): New.
2439 (delete_block): Split out code into delete_insn_chain and
2440 tidy_fallthru_edge. Update edge lists.
2441 (expunge_block): New.
2442 (flow_delete_insn): New?
2443 (can_delete_label_p): New?
2444 (merge_blocks_nomove, merge_blocks): New.
2445 (tidy_fallthru_edge): New.
2446 (calculate_loop_depth): New.
2447 (life_analysis): Allocate and free uid_volatile.
2448 (free_basic_block_vars): Update for new structures.
2449 (record_volatile_insns): Use SET_INSN_VOLATILE.
2450 (mark_regs_live_at_end): Tidy EXIT_IGNORE_STACK usage.
2451 (mark_used_regs): Likewise.
2452 (life_analysis_1): Use bb global_live_at_start, global_live_at_end,
2453 local_set regsets. Use bb->aux to store new_live_at_end. Begin
2454 life propagation from EXIT_BLOCK rather than last block. Clear
2455 regs_ever_live after mark_regs_live_at_end.
2456 (allocate_for_life_analysis): Update for new structures.
2457 (propagate_block): Split out loop depth calculation to
2458 calculate_loop_depth.
2459 (regno_uninitialized): Use bb->global_live_at_start.
2460 (regno_clobbered_at_setjmp): Likewise.
2461 (dump_bb_data): Likewise.
2462 (find_auto_inc): Use BLOCK_FOR_INSN instead of BLOCK_NUM.
2463 (dump_flow_info): Update for new structures.
2464 (dump_edge_info): New.
2465 (print_rtl_with_bb): Update for new structures.
2466 (compute_preds_succs): Do no work -- convert edge lists.
2467 (set_block_for_insn): From corpse of old set_block_num.
2468 (set_block_num): Call it.
2470 * rtl.c (note_insn_name): Add NOTE_INSN_BASIC_BLOCK.
2471 * rtl.h (rtunion_def): Add bb entry.
2472 (NOTE_BASIC_BLOCK): New.
2473 (NOTE_INSN_BASIC_BLOCK): New.
2475 * varray.h (varray_data_tag): Add bb entry.
2476 (VARRAY_BB_INIT, VARRAY_BB): New.
2478 * emit-rtl.c (emit_label_before): New.
2480 * except.c (expand_rethrow): Delete insns following the call to
2481 rethrow. Put the REG_EH_RETHROW on the call.
2483 * jump.c (returnjump_p, returnjump_p_1): New.
2485 * expr.h (nonlocal_goto_handler_labels): New declaration.
2486 * function.c (nonlocal_goto_handler_labels): Define it.
2487 (push_function_context_to): Save it.
2488 (pop_function_context_from): Restore it.
2489 (init_function_start): Clear it.
2490 (nonlocal_label_rtx_list): Kill.
2491 * function.h (struct function): Add storage space for it.
2492 * stmt.c (expand_nl_handler_label): Return the new label.
2493 (expand_nl_goto_receivers): Collect a list of them in
2494 nonlocal_goto_handler_labels.
2496 * Makefile.in (print-rtl.o): Depend on basic-block.h.
2497 (flow.o): Depend on insn-flags.h.
2499 * function.c (thread_prologue_and_epilogue_insns): Do not
2500 half-heartedly update bb structures.
2502 * toplev.c: Add flow2 dump as -dw.
2503 (rest_of_compilation): Finish .greg before flow2.
2505 * graph.c (draw_edge): Handle class 3.
2506 (print_rtl_graph_with_bb): Make abnormal edges red class 2,
2507 change non-fall-thru but adjacent to green class 3. Update
2508 to use new structures.
2510 * print-rtl.c (print_rtx): Handle NOTE_INSN_BASIC_BLOCK.
2512 * reg-stack.c (BLOCK_NUM): Convert to function. Abort if
2514 (reg_to_stack): Initialize block_num to -1.
2516 * combine.c (set_nonzero_bits_and_sign_copies): Update reference
2517 to basic_block_live_at_start to bb->global_live_at_start.
2518 (try_combine): Likewise.
2519 (reg_dead_at_p): Likewise.
2520 * global.c (global_conflicts): Likewise.
2521 Handle stack regs on all abnormal edges, not just computed jumps.
2522 (mark_elimination): Update reference to basic_block_live_at_start.
2523 (build_insn_chain): Likewise.
2524 * haifa-sched.c (haifa_edge): Rename from edge for conflict.
2525 (is_cfg_nonregular): Look at nonlocal_goto_handler_labels instead
2526 of nonlocal_label_rtx_list.
2527 (check_live_1): Update reference to basic_block_live_at_start.
2528 (update_live_1): Likewise.
2529 (find_pre_sched_live): Likewise.
2530 (find_post_sched_live): Likewise.
2531 * local-alloc.c (update_equiv_regs): Likewise.
2532 (block_alloc): Likewise.
2533 * reload1.c (reload, reload_combine): Likewise.
2534 * regmove.c (mark_flags_life_zones): Likewise.
2535 * resource.c (mark_target_live_regs): Likewise.
2536 * sched.c (schedule_block): Likewise.
2538 * regclass.c (regset_release_memory): Don't free
2539 basic_block_live_at_start.
2541 * unroll.c (copy_loop_body): Don't duplicate NOTE_INSN_BASIC_BLOCK.
2543 Thu Feb 25 21:32:34 1999 Jason Merrill <jason@yorick.cygnus.com>
2545 * fixinc.wrap: Also handle struct queue in sys/stream.h.
2546 * fixinc.svr4: Likewise.
2548 * dwarf2out.c (scope_die_for): Set scope_die to comp_unit_die
2549 rather than asserting it.
2551 Thu Feb 25 23:33:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2553 * cppexp.c (left_shift, right_shift, parse_charconst, COMPARE,
2554 cpp_parse_expr): Replace uses of long/HOST_BITS_PER_LONG with
2555 HOST_WIDEST_INT/HOST_BITS_PER_WIDEST_INT.
2557 * Makefile.in (cppmain.o, cpplib.o, cpphash.o, cppalloc.o,
2558 cpperror.o, cppexp.o, cppfiles.o, cppinit.o, fix-header.o,
2559 scan-decls.o): Don't depend on machmode.h.
2561 * cppexp.c: Don't define CHAR_BIT or HOST_BITS_PER_WIDE_INT anymore.
2562 Replace all instances of HOST_WIDE_INT with HOST_WIDEST_INT.
2564 * cppfiles.c: Likewise.
2566 * cpplib.c: Likewise.
2568 * cpplib.h: Likewise. Also don't include machmode.h anymore.
2570 Thu Feb 25 18:46:26 1999 Richard Henderson <rth@cygnus.com>
2572 * gcc.c (default_compilers): Define __FAST_MATH__ when appropriate.
2573 * objc/lang-specs.h: Likewise.
2575 Thu Feb 25 16:19:43 1999 Jeffrey A Law (law@cygnus.com)
2577 * pa.md (call patterns): Lose unused argument to output_call.
2579 * print-rtl.c (print_rtl): Print /j and /c for the jump/call flags.
2581 1999-02-25 17:14 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2583 * cpphash.c (install): Rename to cpp_install, add cpp_reader*
2584 first argument. All callers changed.
2586 (cpp_lookup, cpp_install): Change all refs to hashtab to
2588 (cpp_hash_cleanup): Removed.
2589 * cpphash.h: Adjust prototypes.
2590 * cpplib.h (struct cpp_reader): Add hashtab pointer.
2591 * cppinit.c (cpp_reader_init): Also allocate space for the
2593 (cpp_cleanup): Delete all macros and free the hashtab.
2595 Thu Feb 25 21:52:54 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2597 * sh.h (PASS_IN_REG_P): For TARGET_HITACHI, don't pass structures
2600 * expr.h (PRETEND_OUTGOING_VARARGS_NAMED): Provide default definition.
2601 * function.c (assign_parms): Honour PRETEND_OUTGOING_VARARGS_NAMED.
2602 * calls.c (expand_call): Likewise.
2604 * sh.c (sh_expand_prologue): For TARGET_HITACHI, don't push varargs /
2606 * sh.h (CPP_SPEC): Add -D__HITACHI__ for -mhitachi.
2607 (FUNCTION_ARG): For TARGET_HITACHI, don't pass unnamed
2608 arguments in registers.
2609 (PRETEND_OUTGOING_VARARGS_NAMED): Define.
2610 * va-sh.h (entire file): If __HITACHI__ is defined, use sh[123]
2613 Thu Feb 25 14:32:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2615 * cse.c (dump_class): Revert last change and make the prototype
2618 Thu Feb 25 19:13:42 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2620 * rtl.h (insn_first_p): Don't declare.
2621 * rtlanal.c (insn_first_p): Delete.
2622 * loop.c (loop_insn_first_p): Faster implementation.
2624 Thu Feb 25 10:44:35 1999 Richard Earnshaw (rearnsha@arm.com)
2626 * arm.h (TARGET_SWITCHES): Delete deprecated switches -m[236].
2627 (TARGET_3, TARGET_6): Delete.
2628 (ARM_FLAG_ARM[36]): Delete.
2629 (CPP_CPU_ARCH_SPEC): No need to handle -m[236] any more.
2630 (CC1_SPEC): Don't expand -m[236] into new equivalents.
2631 (CPP_APCS_PC_SPEC): No need to handle -m[236] any more.
2632 * arm.c (arm_override_options): Delete warnings about deprecated
2635 * arm.c (arm_finalize_pic): Build the label into the special pic
2636 adjustment insn instead of issuing it separately.
2637 * arm.md (pic_add_dot_plus_eight): Rework to contain the label
2640 * arm.md (*zeroextractqi_compare0_scratch): Delete.
2641 (*ne_zeroextractsi): New pattern.
2643 Thu Feb 25 18:40:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2645 * stmt.c (expand_end_loop): Grok code emitted by
2646 expand_exit_loop_if_false.
2648 Thu Feb 25 10:17:32 1999 Nick Clifton <nickc@cygnus.com>
2650 * config/arm/arm.c (return_in_memory): Float fields in unions
2651 force a return in memory.
2652 (load_multiple_sequence): Add comment explaining why two LDR
2653 instructions can be better than an LDMIA instruction.
2655 * config/arm/arm.h (TARGET_SHORT_BY_BYTES): Add comment
2656 describing the real meaning of this option.
2657 (FIXED_REGISTERS): Default r10 to not-fixed.
2658 (CALL_USED_REGISTERS): Default r10 to not-call-used.
2659 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): If not defined, define
2661 (CONDITIONAL_REGISTER_USAGE): Fix r10 if TARGET_APCS_STACK is
2662 true. Invoke SUBTARGET_CONDITIONAL_REGISTER_USAGE after
2663 performing other checks.
2665 * config/arm/arm.md (zero_extendhisi2): Undo previous change.
2666 (extendhisi2): Undo previous change.
2667 Also add comments describing why TARGET_SHORT_BY_BYTES can be
2668 ignored for armv4(t) architectures.
2670 * config/arm/riscix.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE):
2673 * config/arm/riscix1-1.h
2674 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Define to fix r10.
2676 Thu Feb 25 12:09:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2678 * cse.c (dump_class): Make the function definition static to match
2681 Wed Feb 24 17:47:28 1999 Jim Wilson <wilson@cygnus.com>
2683 * dbxout.c (gstab.h): Use if CROSS_COMPILE.
2685 * dwarf2out.c (add_location_or_const_value_attribute): Add big
2686 endian correction for parms passed in regs but living on the stack.
2688 Wed Feb 24 14:03:54 1999 Jeffrey A Law (law@cygnus.com)
2690 * calls.c (initialize_argument_information): New function extracted
2692 (expand_call): Use initialize_argument_information. Remove variables
2693 which are no longer used due to cleanups.
2695 * calls.c (compute_argument_block_size): New function, extracted from
2697 (expand_calls): Use compute_argument_block_size. Delete
2698 original_args_size, use unadjusted_args_size instead.
2700 * calls.c (precompute_arguments): New function, extracted from
2702 (expand_call): Use precompute_arguments.
2704 * calls.c (finalize_must_preallocate): New function, extracted from
2706 (expand_call): Use finalize_must_preallocate.
2708 * calls.c (store_one_arg): Mark "variable_size" as possibly unused.
2710 * regclass.c (record_reg_classes, case 'p'): Set classes appropriately.
2711 An alternative always fails if it needs a pseudo and no suitable
2712 register class can be found.
2714 Wed Feb 24 19:47:56 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2716 * loop.h (loop_insn_first_p): Declare.
2717 * loop.c (loop_insn_first_p): No longer static.
2718 * unroll.c (iteration_info) Fix comparison to
2719 reg_iv_type->num_elements.
2720 Before accessing reg_biv_class, check index against
2721 max_reg_before_loop.
2722 Fix and enable code for giv iterators.
2723 (loop_iterations): Compare with reg_iv_type->num_elements instead
2724 of with max_reg_before_loop.
2726 Wed Feb 24 19:17:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2728 * unroll.c (unroll_loop): Avoid out-of-bounds index for local_regno.
2730 Wed Feb 24 11:26:41 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
2732 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Don't use
2733 PIC_OFFSET_TABLE_REGNUM for register allocation when -fPIC.
2735 Tue Feb 23 16:24:19 CET 1999 Marc Lehmann <pcg@goof.com>
2737 * config/i386/i386.md: Fix typo.
2739 Mon Feb 22 19:36:33 1999 Andrew Cagney <cagney@b1.cygnus.com>
2741 * config/mips/mips.c (mips_debugger_offset): When TARGET_MIPS16 &&
2742 frame_pointer_needed adjust frame size.
2743 (function_prologue): Don't MIPS16 .mask GPOFFSET. Already adjusted
2744 in .frame pseudo-op.
2745 Frm Jim Wilson <wilson@cygnus.com>:
2746 * mips.c (function_prologue): Adjust frame size in .frame pseudo-op
2747 when TARGET_MIPS16 && frame_pointer_needed.
2749 1999-02-22 Nick Clifton <nickc@cygnus.com>
2751 * config/arm/arm.h: Add TARGET_CPU_strongarm1100.
2752 Add -mno-sched command line switch to disable scheduling of
2753 instructions into the function's prologue.
2754 (enum processor_type): Remove.
2755 (TARGET_OPTIONS): Add "fpe=" option to match documentation.
2756 (struct arm_cpu_select): Replace 'set_tune_p' and 'set_arch_p'
2757 fields with 'processors' field.
2758 (CONDITIONAL_REGISTER_USAGE): Allow r10 to be used if stack
2759 checking is not enabled.
2760 (RETURN_IN_MEMORY): Always call arm_return_in_memory.
2762 * config/arm/arm.c (arm_cpu): Remove.
2763 (tune_flags): Remove.
2764 (arm_is_strong): New variable: true iff the target processor is a
2766 (arm_is_6_or_7): New variable: true iff the target processor is an
2768 (arm_select): Fields reorganised.
2769 (struct processors): processor_type field removed.
2770 (all_procs): Remove.
2771 (all_cores): New array: Definitions of all known ARM cpu cores.
2772 (all_architectures): New array: Definitions of all known ARM
2775 (FL_SCHED): New processor flag: processor required load
2777 (FL_STRONG): New processor flag: processor is a StrongARM.
2778 (arm_override_options): Reorganized to make code clearer.
2779 (use_return_insn): Test for "not (TARGET_APCS and
2780 frame_pointer_needed)".
2781 (arm_return_in_memory): Improve handling of structures.
2783 * config/arm/arm.md: Remove "cpu" attribute. Replace with
2784 "is_strongarm" and "is_arm_6_or_7" attributes.
2785 (zero_extendhisi2): Check for TARGET_SHORT_BY_BYTES before
2787 (extendhisi2): Check for TARGET_SHORT_BY_BYTES before arm_arch4.
2789 * invoke.texi (ARM Options): Document -mtune= and -mfp= options.
2791 1999-02-22 Philip Blundell <philb@gnu.org>
2793 * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Replace default
2794 definition with one including cache synchronization.
2795 (CLEAR_INSN_CACHE): Correct syscall number and enable definition.
2796 Move definition of inhibit_libc to...
2797 * config/arm/xm-linux.h: ... here.
2799 * config/arm/t-linux: Disable multilib configurations since the
2800 only effect for most people is to cause builds to fail.
2802 * config/arm/elf.h (ASM_FILE_START): Add .file directive.
2803 (ASM_SPEC): Translate -mapcs-float to -mfloat for the assembler.
2805 * config/arm/linux-elf.h (DEFAULT_VTABLE_THUNKS): Define.
2806 (HANDLE_SYSV_PRAGMA): Likewise.
2807 (LIB_SPEC): Copy definition from generic Linux files.
2808 (LIBGCC_SPEC): Include -lfloat if -msoft-float was given.
2809 (FP_DEFAULT): Set to SOFT3 on 32-bit targets.
2810 (DWARF2_DEBUGGING_INFO): Define.
2811 (PREFERRED_DEBUGGING_TYPE): Define as DBX_DEBUG.
2813 Mon Feb 22 16:54:18 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
2815 * loop.c (libcall_other_regs): Make extern.
2816 * rtl.h (find_last_value): Add parameter to prototype.
2817 (libcall_other_reg): Add extern declaration.
2818 * rtlanal.c (find_last_value): Add another parameter to allow
2819 a definition using a hardware register to be found as well.
2821 Mon Feb 22 13:33:47 1999 Mark Mitchell <mark@markmitchell.com>
2823 * cse.c (dump_class): New function.
2824 (invalidate_memory): Fix typo in comment.
2825 * function.c (temp_slot): Add an alias set field.
2826 (assign_stack_temp): Only reuse slots if they will have the
2827 same alias set as before.
2828 (combine_temp_slots): Don't combine if -fstrict-aliasing;
2830 * rtl.c (copy_rtx): Copy all the flags (in particular,
2833 Mon Feb 22 14:13:23 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
2835 * configure.in (i[34567]86-*-linux-gnu*,
2836 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
2837 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
2840 * configure: Rebuilt.
2842 * fixinc.x86-linux-gnu: New script for fixing asm-statements bug
2845 * fixinc/fixinc.x86-linux-gnu: Copy of the previous one.
2847 * fixinc/mkfixinc.sh (i[34567]86-*-linux-gnu*,
2848 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
2849 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
2852 Mon Feb 22 08:55:05 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
2854 * objc/objc-act.c (encode_type): Temporary revert to the old
2855 behavior of encoding types as the new one seems to break the
2856 encoding of bitfields.
2858 Mon Feb 22 11:40:44 1999 Craig Burley <craig@jcb-sc.com>
2859 Sat Feb 20 09:59:36 1999 Craig Burley <craig@jcb-sc.com>
2861 * Makefile.in (all.internal, all.cross): Depend on `doc'
2862 target, to ensure docs get made before installation.
2864 Decrease spurious warnings from -fsyntax-only:
2865 * stmt.c (expand_expr_stmt): Expand expr even when -fsyntax-only.
2867 Mon Feb 22 10:55:00 1999 Gavin Romig-Koch <gavin@cygnus.com>
2869 * c-lex.c (yylex): Replace warning about integer constants being
2870 larger than long-longs, with a warning about integer constants
2871 being larger than the largest target integer.
2873 Mon Feb 22 08:35:38 1999 Craig Burley <craig@jcb-sc.com>
2875 Fix -fsyntax-only ICEs:
2876 * varasm.c (assemble_zeros, assemble_variable,
2877 output_constant_def): Do nothing when -fsyntax-only.
2879 Fri Feb 19 18:18:56 1999 Don Bowman <don@pixstream.com>
2881 * configure.in (mips*-*-vxworks*): Enable gthreads vxworks support.
2882 * configure: Rebuilt.
2884 Sun Feb 21 20:34:44 PST 1999 Jeff Law (law@cygnus.com)
2886 * version.c: Bump for snapshot.
2888 Sun Feb 21 20:35:10 1999 Jeffrey A Law (law@cygnus.com)
2890 * config/aoutos.h (ASM_OUTPUT_CONSTRUCTOR): Delete.
2891 (ASM_OUTPUT_DESTRUCTOR, ASM_OUTPUT_GC_ENTRY): Likewise.
2892 * tm.texi: Update docs for constructors and destructors.
2894 Sun Feb 21 17:11:18 1999 Richard Henderson <rth@cygnus.com>
2896 * genattrtab.c (check_attr_value): Allow negative const_int if
2897 negative_ok. Accept integral arithmetic operators. Accept
2898 direct references to other attributes. Accept symbol_ref in
2899 non-constant attributes.
2900 (max_attr_value): Add new argument `unknownp'. Update all callers.
2901 (or_attr_value): Likewise.
2902 (simplify_knowing): Don't optimize if max_attr_value unknown.
2903 (write_length_unit_log): Likewise with or_attr_value.
2904 (find_and_mark_used_attributes): Don't fallthru case.
2905 (write_attr_set): Pass thru all non-cond expressions.
2906 (write_attr_value): Handle symbol_ref, attr, and arithmetic.
2908 Sun Feb 21 13:16:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2910 * regmove.c (discover_flags_reg): Use word_mode instead of SImode.
2912 Sun Feb 21 13:15:40 1999 Richard Henderson <rth@cygnus.com>
2914 * regmove.c (discover_flags_reg): Remove cc0 code.
2915 (mark_flags_life_zones) [HAVE_cc0]: Force use of cc0; bail if
2916 a potential flags register was identified.
2918 Sat Feb 20 16:16:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2920 * rs6000.md (scc plus ltu): Fix typo in last change.
2922 Sat Feb 20 09:08:44 1999 Richard Earnshaw (rearnsha@arm.com)
2924 * xm-arm.h (HOST_BITS_PER_LONGLONG): Define.
2926 Fri Feb 19 23:02:02 1999 Richard Henderson <rth@cygnus.com>
2928 * regmove.c (discover_flags_reg): New function.
2929 (flags_set_1, mark_flags_life_zones): New functions.
2930 (regmove_optimize): Call them.
2931 (fixup_match_1): Use insn modes rather than sets_cc0_p.
2933 Fri Feb 19 22:47:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2935 * rtlanal.c (insn_first_p): Fix return value for insn == reference.
2937 * loop.c (strength_reduce, check_final_value, check_dbra_loop):
2938 Use loop_insn_first_p.
2940 Fri Feb 19 15:49:26 1999 Michael Meissner <meissner@cygnus.com>
2941 David Edelsohn <edelsohn@gnu.org>
2943 * rs6000.md (scc plus eq): Fix output template.
2944 (scc plus ltu): Fix output template and collapse variants
2945 correcting early clobbers.
2946 (scc plus geu): Fix output template.
2947 (scc plus gt): Fix output template.
2948 (scc plus gtu): Fix output template and collapse variants.
2950 Fri Feb 19 15:43:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2952 * cppinit.c (print_help): Remove unescaped newline in string.
2954 Fri Feb 19 19:55:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2956 * loop.c (strength_reduce): Check for intervening jumps when
2957 converting biv increment to giv.
2959 Thu Feb 18 16:36:58 1999 Per Bothner <bothner@cygnus.com>
2961 * tree.def (TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR): New tree nodes,
2962 * expr.c (expand_expr): Support new tree nodes.
2964 Fri Feb 19 10:17:56 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2966 * config/m68k/m68k.c (m68k_align_loops_string,
2967 m68k_align_jumps_string, m68k_align_funcs_string): Add const.
2968 * config/m68k/m68k.h (m68k_align_loops_string,
2969 m68k_align_jumps_string, m68k_align_funcs_string): Likewise.
2971 Thu Feb 18 23:28:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2973 * bitmap.c (bitmap_print): Qualify a char* with the `const' keyword.
2975 * bitmap.h (bitmap_print): Likewise.
2977 * c-decl.c (builtin_function, grokdeclarator, grokfield): Likewise.
2979 * c-lang.c (build_objc_string): Likewise.
2981 * c-lex.c (yyerror, extend_token_buffer): Likewise. Don't include
2982 limits.h or ctype.h. Remove unused variable `p'.
2984 * c-lex.h (yyerror): Qualify a char* with the `const' keyword.
2986 * c-pragma.c (handle_pragma_token): Likewise.
2988 * c-pragma.h (handle_pragma_token): Likewise.
2990 * c-tree.h (build_objc_string, builtin_function, grokfield,
2991 build_indirect_ref, lvalue_or_else, readonly_warning, error_init,
2992 pedwarn_init): Likewise.
2994 * c-typeck.c (convert_for_assignment, warn_for_assignment,
2995 push_string, warning_init, incomplete_type_error,
2996 build_indirect_ref, lvalue_or_else, readonly_warning,
2997 build_c_cast, spelling, push_member_name, print_spelling,
2998 error_init, pedwarn_init, start_init): Likewise.
3000 * objc/objc-act.c (build_objc_string): Likewise.
3002 * print-tree.c (print_node_brief, print_node): Likewise.
3004 * tree.h (lvalue_or_else, print_node, print_node_brief): Likewise.
3006 Thu Feb 18 20:44:21 1999 David Edelsohn <edelsohn@gnu.org>
3008 * regclass.c (record_reg_classes): Correctly handle 'p' constraint.
3010 Thu Feb 18 19:59:37 1999 Marc Espie <espie@cvs.openbsd.org>
3012 * configure.in :Handle OpenBSD platforms.
3013 * configure: Rebuilt.
3014 * config/openbsd.h: New file.
3015 * config/xm-openbsd.h: New file.
3016 * config/t-openbsd: New file.
3017 * config/t-openbsd-thread: New file.
3019 Thu Feb 18 18:47:09 1999 Jeffrey A Law (law@cygnus.com)
3021 * function.c (assign_stack_temp_for_type): Round SIZE before calling
3022 assign_stack_local for BLKmode slots.
3024 Fri Feb 19 01:45:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3026 * loop.c (strength_reduce): For derived givs, replace the
3027 giv this was derived from with its new_reg.
3028 (recombine_givs): Don't set new_reg for derived giv.
3029 And don't print it, print SUM instead.
3031 Thu Feb 18 15:52:49 1999 Jim Wilson <wilson@cygnus.com>
3033 * m68kelf.h (ASM_RETURN_CASE_JUMP): Add 5200 support.
3035 1999-02-18 18:32 -0500 Zack Weinberg <zack@rabi.columbia.edu>
3037 * cpplib.c: Kill define of STDC_VALUE. Don't include output.h
3038 or prefix.h. Change CPP_IS_MACRO_BUFFER to not refer to
3040 (GET_ENV_PATH_LIST, PATH_SEPARATOR, STANDARD_INCLUDE_DIR,
3041 predefs, SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
3042 CPP_WCHAR_TYPE, USER_LABEL_PREFIX, REGISTER_PREFIX, struct
3043 cpp_pending, version_string, struct default_include,
3044 include_defaults_array, path_include, cpp_options_init,
3045 dump_special_to_buffer, initialize_builtins, cpp_start_read,
3046 cpp_reader_init, nreverse_pending, push_pending, print_help,
3047 cpp_handle_option, cpp_handle_options, cpp_finish,
3048 cpp_cleanup): Move to cppinit.c.
3049 (macro_cleanup, struct arglist, collect_expansion,
3050 create_definition, compare_defs, comp_def_part, ARG_BASE,
3051 struct argdata, macarg, change_newlines, timestamp,
3052 monthnames, special_symbol, unsafe_chars, macroexpand,
3053 push_macro_expansion): Move to cpphash.c.
3054 (quote_string, check_macro_name, cpp_expand_to_buffer,
3055 output_line_command, cpp_undef): Export.
3056 (null_underflow, null_cleanup, handle_directive): Make static.
3058 * cpplib.h: Prototype now-exported functions. Adjust decls of
3059 syntax tables so we can include cpplib.h in cppinit.c.
3060 * cpphash.h: Prototype all functions exported by cpphash.c.
3061 * cppinit.c: Make syntax tables initialized data if possible
3062 (uses GCC designated-initializer extension).
3063 * cppexp.c: Make cpp_lex static.
3064 * Makefile.in: Move -D switches for the various include dirs
3065 from cpplib.o rule to cppinit.o rule. Adjust dependencies.
3067 Thu Feb 18 13:15:56 1999 Marc Espie <espie@cvs.openbsd.org>
3069 * alpha/openbsd.h: New file.
3070 * alpha/xm-openbsd.h: New file.
3071 * sparc/openbsd.h: New file.
3072 * sparc/xm-openbsd.h: New file.
3073 * m68k/openbsd.h: New file.
3074 * m68k/xm-openbsd.h: New file.
3075 * i386/openbsd.h: New file, originally from netbsd.
3076 * i386/xm-openbsd.h: New file.
3078 1999-02-17 14:49 -0500 Zack Weinberg <zack@rabi.columbia.edu>
3080 * Makefile.in: Correct dependencies for cpplib object files.
3082 Wed Feb 17 14:04:18 1999 Michael Meissner <meissner@cygnus.com>
3084 * rs6000.md ({add,sub}si3 `.'): Add alternatives to use CR other
3087 Wed Feb 17 16:59:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3089 * loop.c (strength_reduce): Don't move giv insn for biv turned giv
3092 Wed Feb 17 10:56:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3094 * tree.c (tree_node_kind_names, print_obstack_name,
3095 get_identifier, maybe_get_identifier, build_string,
3096 build_expr_wfl, is_attribute_p, lookup_attribute,
3097 print_obstack_statistics, get_file_function_name_long, tree_check,
3098 tree_class_check, expr_check): Qualify a char* with the `const'
3101 * tree.h (get_identifier, maybe_get_identifier, build_string,
3102 build_expr_wfl, is_attribute_p, lookup_attribute,
3103 print_obstack_statistics, print_obstack_name, tree_check,
3104 tree_class_check, expr_check): Likewise.
3106 Tue Feb 16 21:29:38 1999 Jeffrey A Law (law@cygnus.com)
3108 * i386/freebsd-elf.h, i386/gas.h, i386/linux.h: Fix minor spacing
3111 * calls.c (store_one_arg): Mark any slots used for the argument
3112 as in-use immediately after we're done saving any slots which
3113 will be overwritten by this argument.
3115 Tue Feb 16 21:02:07 1999 Anton Hartl <toni@devsoft.com>
3117 * rs6000.md (call_value): Fix typo.
3119 Wed Feb 17 01:29:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3121 * loop.c (strength_reduce): Calculate maybe_dead before
3122 calling recombine_givs.
3124 Wed Feb 17 00:43:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3126 * loop.c (strength_reduce): Dump biv increment -> giv conversions.
3128 Tue Feb 16 15:31:39 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
3130 * objc/objc-act.c (encode_type): Encode the type instead of
3131 encoding the mode of the type (patch from Richard Frith-Macdonald
3132 <richard@brainstorm.co.uk>).
3134 Tue Feb 16 10:53:51 1999 Richard Earnshaw (rearnsha@arm.com)
3136 * config/arm/arm.md (*zeroextractqi_compare0_scratch): Re-add load
3137 instruction killed in previous change. Simplify mask generation.
3138 (*zeroextractsi_compare0_scratch): Simplify mask generation.
3140 Tue Feb 16 09:52:26 1999 Nick Clifton <nickc@cygnus.com>
3142 * config/arm/arm.md (zeroextractqi_compare0_scratch): Ensure that
3143 bitfield does not overflow a byte boundary.
3145 Tue Feb 16 01:37:33 1999 Charles G Waldman <cgw@alum.mit.edu>
3147 * c-common.c (shorten_compare): Get the min/max value from the
3148 underlying type of an enumeration, not the enumerated type itself.
3150 Mon Feb 15 23:04:48 1999 Jeffrey A Law (law@cygnus.com)
3152 * jump.c: Include insn-attr.h.
3153 (delete_computation): If reload has completed and insn scheduling
3154 after reload is enabled, then do not depend on REG_DEAD notes.
3155 * Makefile.in (jump.o): Depend on insn-attr.h.
3157 Mon Feb 15 16:57:38 1999 Richard Henderson <rth@cygnus.com>
3159 * i386.md (addsi3): Allow lea for any constant_p.
3161 1999-02-15 17:11 -0500 Zack Weinberg <zack@rabi.columbia.edu>
3163 * toplev.c (documented_lang_options): Remove -fident and
3164 -fnoident, which are now handled by the language independent
3167 1999-02-15 16:59 -0500 Zack Weinberg <zack@rabi.columbia.edu>
3169 * c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF.
3170 * c-lex.c: Likewise.
3171 * cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked
3172 list in malloced memory for the buffer stack.
3173 (cpp_get_token): Don't pop the last buffer off the stack.
3174 Calls after CPP_EOF has been returned produce CPP_EOF with no
3176 (cpp_finish): Pop last buffer here.
3177 (do_line): Don't free ip->last_nominal_fname if it is equal to
3179 (special_symbol): If a T_CONST is the empty string, push a
3180 single `@ ' escape instead.
3181 (macroexpand): Special symbol buffers have escapes too.
3182 * cpplib.h (struct cpp_buffer): Remove unused fields, add prev
3184 (struct cpp_reader): Remove buffer_stack. Add
3186 (CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a
3189 Mon Feb 15 14:44:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3191 * cccp.c: Don't define HOST_WIDE_INT. Replace all occurrences of
3192 WIDE_INT with WIDEST_INT.
3195 Don't define unsigned_HOST_WIDE_INT, CHAR_BIT or
3196 HOST_BITS_PER_WIDE_INT. Replace occurrences of PRINTF_PROTO_1()
3197 style with PVPROTO() ATTRIBUTE_PRINTF_1 style macros. Replace
3198 occurrences of "unsigned_HOST" with "unsigned HOST". Provide a
3199 definition of variable `c89' when compiling a test binary and set it.
3201 * system.h: Don't define the PRINTF_PROTO_* macros.
3203 Mon Feb 15 11:33:51 1999 Jeffrey A Law (law@cygnus.com)
3205 * loop.c (mark_loop_jump): Handle LO_SUM. If we encounter something
3206 we do not understand, mark the loop and containing loops as invalid.
3208 Mon Feb 15 00:40:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3210 * alias.c (init_alias_analysis): Avoid self-referential value
3211 when setting reg_known_value from REG_EQUAL notes.
3213 Sun Feb 14 23:12:10 1999 Richard Henderson <rth@cygnus.com>
3215 * i386.c (legitimate_address_p): Verify modes of base and index.
3217 Sun Feb 14 23:01:28 1999 Richard Henderson <rth@cygnus.com>
3219 * i386.c (legitimate_pic_address_disp_p): Remove static.
3220 * i386.h (LEGITIMATE_PIC_OPERAND_P): Use it instead of
3223 Sun Feb 14 21:03:28 1999 Jeffrey A Law (law@cygnus.com)
3225 * except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
3226 * explow.c (probe_stack_range): Likewise.
3227 * expmed.c (do_cmp_and_jump): Likewise.
3228 * expr.c (store_expr, expand_expr, expand_builtin): Likewise.
3229 (do_tablejump): Likewise.
3230 * stmt.c (expand_expr_stmt, expand_end_case): Likewise.
3231 (do_jump_if_equal, emit_case_nodes): Likewise.
3232 * optabs.c (emit_cmp_and_jump_insns): Clarify comments. If UNSIGNEDP,
3233 then convert comparison to an unsigned code before emitting the jump.
3234 (expand_float, expand_fix): Use emit_cmp_and_jump_insns.
3236 Sun Feb 14 02:24:15 PST 1999 Jeff Law (law@cygnus.com)
3238 * version.c: Bump for snapshot.
3240 Sun Feb 14 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
3242 * version.c: Bump for snapshot.
3244 Sun Feb 14 00:45:50 1999 Jeffrey A Law (law@cygnus.com)
3246 * loop.c: Disable recent loop changes. Temporary as Joern
3247 continues to fix problems.
3249 Sat Feb 13 23:29:42 1999 Richard Henderson <rth@cygnus.com>
3251 * loop.c (combine_givs_used_by_other): Delete.
3252 (combine_givs_benefit_from): Delete.
3253 (combine_givs): Deny combination of givs only used once. Simplify
3254 code with the death of combine_givs_benefit_from.
3256 Sun Feb 14 11:24:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3258 * loop.c (scan_loop): Call reg_in_basic_block_p before
3259 loop_reg_used_before_p.
3261 Sat Feb 13 05:32:00 1999 Richard Earnshaw (rearnsha@arm.com)
3263 * arm.md: Use gen_rtx_FOO instead of gen_rtx (FOO, ...).
3267 * arm.h (TARGET_OPTIONS): Reformat for clarity.
3268 (GO_IF_LEGITIMATE_ADDRESS): When generating PIC, references to symbols
3269 in the constant pool aren't valid.
3270 (LEGITIMATE_PIC_OPERAND_P): Likewise.
3272 * arm.c: Include "system.h", not stdio.h and string.h.
3274 Fri Feb 12 13:06:28 1999 Jim Wilson <wilson@cygnus.com>
3276 * stmt.c (expand_return): Return if optimize_tail_recursion succeeded.
3277 (optimize_tail_recursion): Change return type from void to int.
3278 Add return statements.
3279 * tree.h (optimize_tail_recursion): Change prototype to match.
3281 Fri Feb 12 21:09:51 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3283 * reload.c (find_reloads_subreg_address): New function, broken out of
3284 find_reloads_toplev.
3285 (find_reloads_toplev, find_reloads_address_1): Use it.
3287 Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com)
3289 * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle
3290 extending a CONST_INT.
3292 * h8300.md (peephole for combining memrefs): Delete incorrect peephole.
3294 Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3296 * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset):
3298 (maybe_eliminate_biv_1): Use biv_elimination_giv_has_0_offset.
3300 Fri Feb 12 16:56:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3302 * loop.c (load_mems): Don't guess how to do a load / store, use
3305 Fri Feb 12 09:24:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3307 * system.h: Provide a definition for HOST_WIDEST_INT, etc.
3309 Fri Feb 12 23:37:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3311 * config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change.
3313 Fri Feb 12 00:51:26 1999 Jeffrey A Law (law@cygnus.com)
3315 * reload.c (find_reloads_address_1): Fix handling of an autoincremented
3316 pseudo which is homed in the stack.
3318 * mips.c (save_restore_insns): Fix loop to save/restore FP registers.
3319 (compute_frame_size): Change loop over FP regs to be consistent
3320 with the loop in save_restore_insns.
3322 Thu Feb 11 17:38:40 1999 Jim Wilson <wilson@cygnus.com>
3324 * i960/i960.h (OVERRIDE_OPTIONS): Warn if -mlong-double-64 is used.
3325 (LONG_DOUBLE_TYPE_SIZE): Undef then unconditionally define to 96.
3327 Thu Feb 11 15:11:35 1999 Jeffrey A Law (law@cygnus.com)
3329 * mn10200.md (bset); Re-enable.
3331 Thu Feb 11 15:20:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3333 * sh.md (is_sfunc): New attribute.
3334 * sh.h (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): Use it.
3336 Thu Feb 11 01:06:49 1999 Nathan Sidwell <nathan@acm.org>
3338 * fold-const.c (range_binop): Take account of the bounded nature
3339 of fixed length arithmetic when comparing unbounded ranges.
3341 Thu Feb 11 00:08:17 1999 John Wehle (john@feith.com)
3343 * function.c (assign_stack_temp_for_type): Clear best_p
3344 when an exact match is found.
3346 * i386.h (LOCAL_ALIGNMENT): Define.
3347 * function.c (assign_stack_local, assign_outer_stack_local): Use it.
3348 (assign_stack_temp_for_type): New function based on assign_stack_temp.
3349 (assign_stack_temp): Call it.
3350 (assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp.
3351 * stmt.c: Use assign_temp, not assign_stack_temp.
3352 * tm.texi: Document LOCAL_ALIGNMENT.
3354 Wed Feb 10 23:28:28 1999 Jeffrey A Law (law@cygnus.com)
3356 * reorg.c: Finish deleting half-deleted comment.
3358 Wed Feb 10 17:12:21 1999 Jim Wilson <wilson@cygnus.com>
3360 * emit-rtl.c (operand_subword): Sign extend REAL_VALUE_TO_TARGET_SINGLE
3362 * final.c (split_double): Sign extend REAL_VALUE_TO_TARGET_DOUBLE
3364 * real.c (endian): Delete sign extension code.
3365 * config/m32r/m32r.md (movsf_insn+1): REAL_VALUE_TO_TARGET_SINGLE call
3366 replaced with operand_subword call.
3368 Wed Feb 10 15:16:39 1999 Richard Henderson <rth@cygnus.com>
3370 * alpha.md (cmov compound patterns): Delete. Jump can now
3371 create the correct constructs in the first place.
3373 Wed Feb 10 11:03:22 1999 Richard Henderson <rth@cygnus.com>
3375 * configure.in (alphaev6*): Fix typo in target_cpu_default2.
3377 Wed Feb 10 13:59:18 1999 Dave Brolley <brolley@cygnus.com>
3379 * mbchar.c (local_mb_cur_max): Handle the case where MB_CUR_MAX is 0.
3381 Wed Feb 10 10:35:05 1999 Jim Wilson <wilson@cygnus.com>
3383 * tmp-emsgids.c: Delete.
3385 Wed Feb 10 09:57:08 1999 Mark Mitchell <mark@markmitchell.com>
3387 * rtlanal.c (for_each_rtx): Fix declaration to conform to GNU
3390 Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com)
3392 * mn10200.md (bset, bclr): Operand 0 is a read/write operand.
3394 * reload1.c (reload_combine_note_store): Second argument is no
3395 longer unused/ignored. Handle multi-register hard regs.
3396 (move2add_note_store): Simplify.
3398 Wed Feb 10 10:05:23 1999 Mumit Khan <khan@xraylith.wisc.edu>
3400 * collect2.c (collect_execute): Remove cygwin-specific code.
3402 Tue Feb 9 17:27:29 GMT 1999 Nathan Sidwell <nathan@acm.org>
3404 * system.h (_, N_): Remove dummy i18n macros.
3405 * protoize.c: Move inclusion of intl.h to after system.h.
3406 * cexp.y: Include intl.h.
3409 Tue Feb 9 16:52:22 1999 Mumit Khan <khan@xraylith.wisc.edu>
3411 * i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore
3412 fpic/fPIC for windows32 targets.
3413 * i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32
3415 * i386/mingw32.h (CPP_SPEC): Define.
3416 (CPP_PREDEFINES): Add MINGW32 version id.
3417 * i386/crtdll.h (CPP_PREDEFINES): Likewise.
3419 * Makefile.in (collect2$(exeext)): Delete redundant dependency and
3420 add missing exeext to target.
3422 * gcc.c (convert_filename): Handle null filename argument.
3424 Wed Feb 10 15:46:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3426 * config/c4x/c4x.md (*movhf_noclobber, *movhi_noclobber): Use
3427 m constraint instead of QT.
3429 1999-02-09 Brendan Kehoe <brendan@cygnus.com>
3431 * cpplib.c (special_symbol): Move IP to be declared in function
3432 scope, rather than individual case statements.
3434 1999-02-09 16:42 -0500 Zack Weinberg <zack@rabi.columbia.edu>
3436 * cppfiles.c (finclude): Handle pipes properly under old BSD
3439 1999-02-09 16:42 -0500 Melissa O'Neill <oneill@cs.sfu.ca>
3441 * system.h: Provide fallback definitions for S_ISCHR,
3442 S_ISSOCK, S_ISFIFO, O_NONBLOCK, and O_NOCTTY.
3444 1999-02-09 10:30 -0500 Zack Weinberg <zack@rabi.columbia.edu>
3446 * cpplib.c (do_define): Allow redefining __STDC__ with -D.
3448 1999-02-09 Jim Blandy <jimb@zwingli.cygnus.com>
3450 * configure.in: For PowerPC configurations, accept "401", "ec603e",
3451 "740", and "750" as valid arguments to --with-cpu.
3452 * configure: Rebuilt.
3454 Tue Feb 9 00:00:14 1999 Mark Kettenis <kettenis@gnu.org>
3456 * configure.in (i[34567]86-*gnu*): Set float_format to i386.
3457 * configure: Rebuilt.
3459 Mon Feb 8 22:38:24 1999 Jeffrey A Law (law@cygnus.com)
3461 * rs6000.md: Revert "alternate use of crs if cr0 not available"
3462 patches from 01-22-1999, 01-24-1999, 01-26-1999, and 02-08-1999.
3464 Mon Feb 8 21:36:44 1999 Richard Henderson <rth@cygnus.com>
3466 * output.h (current_function_has_computed_jump): Rename from
3467 current_function_addresses_labels.
3468 * function.h (struct function): Likewise for addresses_labels member.
3469 * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
3470 * function.c (current_function_has_computed_jump): Likewise.
3471 Update all references.
3472 * integrate.c (function_cannot_inline_p):
3473 Test current_function_has_computed_jump instead of addresses_labels.
3474 (initialize_for_inline): Likewise save.
3475 (output_inline_function): Likewise restore.
3477 * expr.c (expand_expr): Don't reference addresses_labels variables.
3478 * stmt.c (expand_computed_goto): Set has_computed_jump.
3480 1999-02-08 Michael Meissner <meissner@cygnus.com>
3482 This is being installed only to get it into the repository to help
3483 with the revert, resubmit & review process for the massive rs6000.md
3485 * rs6000.md (andsi3_internal1 splitter): Don't split if using the
3487 (anddi3_internal1): Likewise.
3488 (andsi3_internal{2,3}): Correct some insn lengths.
3489 (anddi3*): Restore missing TARGET_POWERPC64, and don't emit old
3492 Mon Feb 8 21:31:06 1999 Richard Henderson <rth@cygnus.com>
3494 * loop.c (reg_single_usage): New file-scope variable ...
3495 (scan_loop): ... moved out of here. Always initialize.
3496 Test loop_has_call instead of reg_single_usage not zero.
3497 Free reg_single_usage after strength reduction.
3498 (count_loop_regs_set): Assume single_usage non-zero.
3499 (combine_givs_used_by_other): Test reg_single_usage.
3500 (load_mems_and_recount_loop_regs_set): Remove reg_single_usage
3501 as a parameter. Assume non-zero.
3503 1999-02-08 23:25 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
3505 * cpplib.c (special_symbol): Rewrite. Don't copy things
3506 multiple times. Handle __STDC__ specially. T_CONST
3507 indicates a constant /string/. Don't handle T_*_TYPE and
3508 T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of
3509 adjust_position. Determine the file buffer only if needed.
3510 (initialize_builtins): Handle __SIZE_TYPE__,
3511 __PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and
3512 __REGISTER_PREFIX__ with T_CONST special hashtab entries.
3513 Don't provide __OBJC__; the driver does that. Provide
3514 __STDC_VERSION__, using T_CONST. Use T_STDC for
3515 __STDC__. Give install the length of all symbols defined.
3516 (eval_if_expression): Drop code to insert and remove the
3517 "defined" special symbol.
3519 * cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove
3520 T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC.
3522 * cpphash.c (install): Drop the `ivalue' parameter. Constify
3523 the `value' parameter. All callers changed.
3524 * cpphash.h (install): Change prototype to match.
3525 (union hashval): Remove `ival' member.
3526 * cppexp.c (cpp_lex): Handle `defined' here.
3528 Mon Feb 8 17:29:42 1999 Jeffrey A Law (law@cygnus.com)
3530 * pa.h (EXTRA_CONSTRAINT): Fix comment.
3532 Mon Feb 8 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
3534 * c-typeck.c (check_init_type_bitfields): Use nonincremental
3535 initialization of unions whose first member is a bitfield.
3536 Remove unnecessary code for checking the declaration mode
3537 after DECL_C_BIT_FIELD.
3539 * varasm.c (output_constructor): Additional comment about the
3540 constructor of bitfield union initialization.
3542 Tue Feb 9 11:55:04 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3544 * config/c4x/c4x.md (*movhi_stik): New pattern.
3545 (movhi): Allow some immediate constants to be directly
3548 Tue Feb 9 11:34:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3550 * config/c4x/c4x.md (all call patterns): Add constraints "Ur".
3551 (call, call_value): Force address into a register if not valid
3552 for a call instruction.
3553 (load_immed_address): Emit a USE of the SYMBOL_REF that is
3555 * config/c4x/c4x.c (c4x_print_operand): Fix 'C' and 'U' modifiers.
3557 Tue Feb 9 11:08:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3559 * config/c4x/c4x.c (call_address_operand, symbolic_address_operand):
3560 Rename from call_operand and symbolic_operand respectively. All
3562 * config/c4x/c4x.md (call_address_operand, symbolic_address_operand):
3564 * config/c4x/c4x.h (call_address_operand, symbolic_address_operand):
3566 (PREDICATE_CODES): Allow CONST, LABEL_REF for call_address_operand.
3568 Tue Feb 9 10:52:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3570 * config/c4x/c4x.c (c4x_legitimize_address): Don't generate a
3571 LO_SUM address for HImode or HFmode but instead force address into
3572 a register so that it is offsettable.
3573 (c4x_emit_move_sequence): Handle LO_SUM immediate address.
3575 Tue Feb 9 10:46:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3577 * config/c4x/c4x.c (c4x_address_cost): Return cost of 1 for
3578 REG+REG addressing if strength reduction enabled.
3580 Tue Feb 9 10:10:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3582 * config/c4x/t-c4x (LIBGCC2_CFLAGS): Delete.
3583 (TARGET_LIBGCC2_CFLAGS): Define.
3585 1999-02-08 Nick Clifton <nickc@cygnus.com>
3587 * config/v850/v850.md: Replace \\n\\t with \\;
3589 * config/v850/v850.md: Enforce TARGET_LONG_CALLS option.
3590 * config/v850/v850.c (construct_restore_jr, construct_save_jarl):
3591 Enforce TARGET_LONG_CALLS option.
3593 Mon Feb 8 11:43:07 1999 Donn Terry <donn@interix.com>
3595 * real.c (PUT_REAL) [XFmode]: Zero the balance of the structure.
3597 Mon Feb 8 11:37:24 1999 Marc Espie (espie@cvs.openbsd.org)
3599 * m88k/t-luna-gas: Remove bash dependency.
3601 Mon Feb 8 11:34:44 1999 Graham <grahams@rcp.co.uk>
3603 * collect2.c (xrealloc): Fix typo in last change.
3605 Mon Feb 8 09:13:38 PST 1999 Jeff Law (law@cygnus.com)
3607 * version.c: Bump for snapshot.
3609 Sun Feb 7 22:18:42 1999 Robert Lipe <robertlipe@usa.net>
3611 * tree.h (TYPE_CHECK): Make it clear to the preprocessor
3612 that we do not want macro replacement within a character constant.
3613 (TYPE_CHECK1): Likewise.
3615 Sun Feb 7 15:37:10 1999 Jason Merrill <jason@yorick.cygnus.com>
3617 * tree.h (DECL_P): New macro.
3619 Sun Feb 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
3621 * version.c: Bump for snapshot.
3623 Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com)
3625 * mn10300.md (reload_insi): Do not earlyclobber the output operand.
3627 * README.g77, gcc.c, gcc.texi: Update email addresses.
3628 * invoke.texi system.h: Likewise.
3630 Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com>
3632 * unroll.c (find_splittable_givs): After express_from, call replace_rtx
3633 to convert dest_reg to new_reg.
3635 Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com)
3637 * reload1.c (reload_combine_note_store): Be more careful with
3638 STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.
3639 (move2add_note_store): Likewise.
3641 Sat Feb 6 10:18:01 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3643 * cppfiles.c (read_and_prescan): Cast the result of `xrealloc' to
3644 U_CHAR* when assigning to one. Ensure the values of a ?: operator
3647 * cppinit.c (initialize_char_syntax): Use K&R function definition.
3649 Sat Feb 6 11:17:03 1999 Richard Earnshaw <rearnsha@arm.com>
3652 * config/arm/arm.c (all_procs): Add arm9 and arm9tdmi.
3653 * config/arm/arm.h ((TARGET_CPU_arm9, TARGET_CPUD_arm9tdmi): Define.
3654 (TARGET_CPU_DEFAULT): Rework to support ARM9.
3655 (CPP_CPU_ARCH_SPEC): Likewise.
3656 (enum processor_type): Likewise.
3657 * config/arm/arm.md (attr cpu): Add arm9.
3659 General scheduling changes
3660 * config/arm/arm.c (MAX_INSNS_SKIPPED): Delete.
3661 (max_insns_skipped): New variable.
3662 (arm_override_options): If generating hard floating point code for
3663 the FPA, emit code for version 3.
3664 When optimizing for space, don't synthesize constants.
3665 Reword several flags based on the requested processor and optimization
3667 (use_return_insn): New argument iscond, all callers changed. Don't
3668 use a return insn if it will be conditional and that would be
3669 expensive; eg on StrongARM.
3670 (arm_adjust_cost): Anti- and output- dependencies normally have no
3672 (load_multiple_sequence): Newer ARMs don't benefit from ldm if
3673 the sequence is short.
3674 (final_prescan_insn): Use max_insns_skipped instead of
3675 MAX_INSNS_SKIPPED. Note whether we will make a return instruction
3676 conditional, and aviod this if it would be expensive.
3677 * config/arm/arm.md (scheduling attributes and function units):
3678 Rewrite to better describe ARM8, 9 and StrongARM.
3680 * config/arm/arm.md (*movhi_insn_littleend): Make op0 predicate
3682 (*ifcompare_plus_move): Use arm_rhs_operand in place of
3683 arm_rhsm_operand. Rework constraints.
3684 (*if_plus_move): Likewise.
3685 (*ifcompare_move_plus): Likewise.
3686 (*if_move_plus): Likewise.
3687 (*ifcompre_arith_move): Likewise.
3688 (*if_arith_move): Likewise.
3689 (*ifcompare_move_arith): Likewise.
3690 (*if_move_arith): Likewise.
3692 * config/arm/xm-netbsd.h: Don't include arm/xm-arm.h.
3694 1999-02-05 Michael Meissner <meissner@cygnus.com>
3696 * loop.c (check_dbra_loop): A store using an address giv for which
3697 we have no life information is not reversible.
3699 Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com>
3701 * function.c (fixup_var_refs): Scan catch_clauses too.
3703 Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
3705 * c-common.c (decl_attributes): Fix reserved space for init_priority.
3706 * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
3708 Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com)
3710 * loop.c (strength_reduce): Clear not_every_iteration when
3711 passing the NOTE_INSN_LOOP_CONT note.
3713 * haifa-sched.c (add_dependence): Do not add a dependency on a
3716 Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com>
3718 * recog.c (split_block_insns): Only call update_flow_info if
3719 instruction scheduling is enabled.
3721 1999-02-05 11:22 -0500 Zack Weinberg <zack@rabi.columbia.edu>
3723 * Makefile.in (gen-protos): Use libcpp.a like everyone else.
3725 Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3727 * loop.c (first_loop_store_insn): New file-scope variable.
3728 (prescan_loop): Set it.
3729 (check_dbra_loop): Check if a store depends on a register
3730 that is set after the store.
3732 Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3734 * unroll.c (entire file): Remove tabs / spaces at end of lines.
3735 Replace spaces with tabs where appropriate.
3737 Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3739 * loop.c (scan_loop): New argument loop_cont. Changed caller.
3740 (strength_reduce): New argument loop_cont. Changed caller.
3741 Before clearing not_every_iteration after a label, check if
3742 we are not already past LOOP_CONT.
3744 1999-02-04 16:04 -0500 Zack Weinberg <zack@rabi.columbia.edu>
3746 * cpperror.c (cpp_print_containing_files): Fix formatting
3747 bug induced by merge.
3749 1999-02-04 14:33 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3751 * cpplib.c (initialize_char_syntax): Move to cppinit.c.
3752 (cpp_define): Remove redundant syntax checks.
3753 (make_assertion): Rename cpp_assert, remove redundant syntax
3755 (cpp_options_init): Don't init things to zero twice.
3756 (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
3757 (do_include): Kill excessively verbose #import warning that
3758 snuck back in in the gcc2 merge.
3759 (convert_string): Removed.
3760 (do_line): Rewrite with simple last-name-used cache instead of
3762 (cpp_start_read): Call initialize_char_syntax here, not...
3763 (cpp_reader_init): ...here.
3764 (cpp_handle_options): Support the -std switch.
3765 * cpplib.h (cpp_buffer): Add last_nominal_fname member.
3766 (cpp_options): Add c9x flag.
3767 Declare all the is_* tables and trigraph table here, as const.
3768 Prototype cpp_assert and initialize_char_syntax.
3769 * cppinit.c: New file.
3770 * cppfiles.c (read_and_prescan): Optimize.
3771 * Makefile.in (LIBCPP_OBJS): Add cppinit.o.
3773 Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com>
3775 * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3,
3776 [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register
3777 before calling gen_div_trap.
3779 Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com)
3781 * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather
3782 than numeric value for target_cpu_default..
3783 * configure: Rebuilt.
3785 Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr>
3787 * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and
3788 mkstemp. Get them from libiberty.
3789 (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp.
3790 (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute.
3791 (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules.
3792 (mkstemp.o, getopt1.o, getopt.o): Likewise.
3794 * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric
3796 * pa-hpux.h (LINK_SPEC): Likewise.
3797 * pa-hpux10.h (LINK_SPEC): Likewise.
3798 * pa-hpux9.h (LINK_SPEC): Likewise.
3799 * pa-osf.h (LINK_SPEC): Likewise.
3800 * pa-pro.h (TARGET_DEFAULT): Likewise.
3801 * pa1.h (TARGET_DEFAULT): Likewise.
3802 * pa.h (MASK_*): New defines.
3803 (TARGET_*): Use symbolic values rather than numeric values.
3804 (TARGET_SWITCHES): Likewise.
3805 (TARGET_DEFAULT): Likewise.
3806 (CPP_SPEC): Likewise.
3808 Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3810 * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
3811 * reload.c (find_reusable_reload): New function, broken out of
3812 push_reload. Add code to verify that none of the involved
3813 outputs are subject to earlyclobbers.
3814 (push_reload): Break out new function find_reusable_reload.
3815 Delete "register" keyword for IN, OUT args.
3817 Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com>
3819 * config/mips/mips.c (true_reg_or_0_operand) : New function.
3820 * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand.
3821 * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16):
3822 Use true_reg_or_0_operand for div_trap.
3824 Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3826 * loop.h (express_from): Declare.
3827 (struct induction): Replace derived flag with derived_from pointer.
3828 * loop.c (strength_reduce, record_giv, recombine_givs): Likewise.
3829 (express_from): No longer static.
3830 * unroll.c (find_splittable_givs): Replace derived with derived_from.
3831 When processing an address giv with which another giv has been
3832 combined that has also been derived from a third giv, handle like
3833 having combined with the third giv.
3834 Set splittable_regs_updates appropriately for derived givs.
3836 Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com>
3838 * config/mips/mips.md (div_trap_mips16): Remove nop's after branches.
3840 Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com)
3842 * pa.c (insn_sets_and_refs_are_delayed): New function.
3843 * pa.h (INSN_SETS_ARE_DELAYED): Use it.
3844 (INSN_REFERENCES_ARE_DELAYED): Likewise.
3846 Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com)
3848 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete.
3849 * config/arm/t-linux (LIBGCC2_CFLAGS): Delete.
3850 (TARGET_LIBGCC2_CFLAGS): Define.
3851 (LIBGCC2_DEBUG_CFLAGS): Define.
3852 * config/arm/t-netbsd: Likewise.
3853 * config/arm/t-semi: Likewise.
3854 * config/arm/t-semiaof: Likewise.
3855 * config/arm/t-riscix: Likewise.
3857 Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3859 * config/m68k/m68k.c (print_operand_address): When printing a
3860 SYMBOL_REF that ends in `.<letter>' put parentheses around it.
3862 Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org>
3864 * i386/freebsd*.h now allows '$' in label names and does not use the
3865 PCC struct return method.
3867 Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com>
3869 * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses
3870 of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST.
3871 (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file
3872 names if host == target.
3873 (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete.
3874 (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS.
3875 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules
3876 setting them to *_FOR_TARGET.
3877 * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST):
3880 Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3882 * toplev.h (read_integral_parameter): Declare.
3883 * toplev.c (read_integral_parameter): New function.
3885 Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
3887 * resource.c, resource.h: New files.
3888 * Makefile.in (OBJS): Add it.
3890 * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
3891 (split_block_insns): Moved to recog.c.
3892 (update_flow_info): Make public.
3893 * rtl.h: Declare them.
3895 * reorg.c: Moved the functions dealing with computing resource
3896 usage to resource.c.
3898 * sched.c (regno_use_in): Moved to rtlanal.c.
3899 (update_flow_info): Make public.
3900 (schedule_insns): Use split_block_insns.
3902 * recog.c (split_block_insns): New function.
3904 Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@gnu.org>
3906 * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
3907 (LINK_OS_DEFAULT_SPEC): Delete, unused.
3909 Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
3911 * configure.in (arm-*-oabi): Support.
3912 * configure: Regenerate.
3913 * config/arm/unknown-elf-oabi.h: New file.
3915 Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
3917 * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
3918 Make the anonymous pattern match when ! optimize_size.
3919 (ashlsi3 size optimizer): New pattern.
3921 * intl/Makefile.in (uninstall): Add missing "; \".
3923 Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
3925 * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
3928 Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3930 * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
3931 to after find_and_verify_loops call.
3933 Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3935 * (recombine_givs): Don't use a giv that's likely to be dead to
3938 * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
3939 wrap around when deriving givs.
3941 Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
3943 * recog.c (check_asm_operands): Treat indeterminate operand ok
3944 results as success. Try harder to resolve a matching constraint.
3945 * stmt.c (expand_asm_operands): Recognize when an output operand's
3946 constraint does not allow memory. Treat indeterminate operand ok
3947 results as failure. Try harder to resolve a matching constraint.
3949 Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
3951 Use varrays for constant-equivalence data:
3953 * varray.h (struct const_equiv_data): New type.
3954 (union varray_data_tag): New element const_equiv.
3955 (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
3956 (VARRAY_SIZE): New macro, returns number of elements.
3957 * integrate.h: Include varray.h.
3958 (struct inline_remap): Replace const_equiv_map, const_age_map and
3959 const_equiv_map_size with a const_equiv_varray element.
3960 (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
3962 (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
3963 simultaneously, growing the varray if needed.
3965 * integrate.c (global_const_equiv_map,
3966 global_const_equiv_map_size): Deleted, replaced by....
3967 (global_const_equiv_varray): New variable.
3968 (expand_inline_function): References changed.
3969 * integrate.h: Update declarations.
3971 * integrate.c (process_reg_parm, expand_inline_function,
3972 copy_rtx_and_substitute, try_constants, subst_constants,
3973 mark_stores): Use varray allocation and accessor macros, new
3974 integrate.h macros, and global_const_equiv_varray. Don't
3975 conditionalize non-NULL stores on array size; instead, expand the
3977 * unroll.c (unroll_loop): Likewise.
3979 * unroll.c (unroll_loop): Initialize const_equiv_varray element to
3980 zero. After allocating varray, always exit through bottom of
3981 function, where it can be deallocated if needed. Don't explicitly
3982 reallocate const_equiv_map storage; instead, just ensure the
3983 varray has been initialized, and update the global reference.
3985 Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3987 * system.h (inline, const): Handle these for stage2 (and later) gcc.
3989 * dwarf2out.c (inline): Don't define.
3991 * dwarfout.c (inline): Likewise.
3993 Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
3995 * loop.c (recombine_givs): Dump recombination and derivation data.
3997 Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
3999 * flags.h: Declare flag_no_ident.
4000 * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
4001 * c-tree.h: Don't declare flag_no_ident.
4002 * c-decl.c: Don't define flag_no_ident. Don't process
4003 -f(no-)ident switches here.
4005 * config/elfos.h (ASM_FILE_END): Output final .ident directive
4006 only if !flag_no_ident.
4007 * config/ptx4.h: Likewise.
4008 * config/svr4.h: Likewise.
4009 * config/alpha/elf.h: Likewise.
4010 * config/arm/linux-elf.h: Likewise.
4011 * config/i386/sco5.h: Likewise.
4012 * config/i860/fx2800.h: Likewise.
4013 * config/mips/gnu.h: Likewise.
4014 * config/i386/osfrose.h: Likewise.
4016 * gcc.c (C specs): Map -Qn to -fno-ident.
4017 * objc/lang-specs.h: Likewise.
4019 Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4021 * configure.in: Don't remove loop.o and unroll.o when
4022 enable-haifa is selected.
4023 * configure: Rebuilt.
4025 Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
4027 * i386.md (movsicc, movhicc, movsfcc, movdfcc,
4028 movxfcc, movdicc): Delete unconstrained alternatives.
4029 * i386.c (output_fp_conditional_move,
4030 output_int_conditional_move): Delete unused case.
4032 Sun Jan 31 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
4034 * version.c: Bump for snapshot.
4036 Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
4038 * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
4039 instead of bis and cpys. Combine alternatives where possible.
4041 Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4043 * gcov.c (fnotice): Add missing FILE* parameter.
4044 (function_summary): Fix format specifiers in calls to `fnotice'.
4045 (output_data): Likewise.
4047 * toplev.c (fnotice): Constify char* parameter.
4049 * toplev.h (fnotice): Add prototype.
4050 Wrap prototype with BUFSIZ to protect FILE* usage.
4052 Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4054 * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
4056 Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
4058 * combine.c (distribute_notes): Handle REG_EH_REGION notes.
4060 * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
4061 function definition.
4062 (aliases_everything_p, write_dependence_p):Likewise.
4064 * install.texi: Fix merge lossages.
4066 * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
4068 * collect2.c (main): Likewise.
4069 * cppmain.c (main): Likewise.
4070 * gcc.c (main): Likewise.
4071 * gcov.c (main): Likewise.
4072 * protoize.c (main): Likewise.
4073 * toplev.c (main): Likewise.
4075 * pa.md (parallel shift and shiftadd): Mark output of shift as an
4078 * loop.c: Disable recent loop changes. Temporary as Joern
4079 continues to fix problems.
4081 Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4083 * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
4085 Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
4087 * emit-rtl.c (remove_insn): New function.
4088 * rtl.h (remove_insn): Add prototype.
4089 * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
4091 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4093 * loop.c (recombine_givs): Don't try to derive givs that have combined.
4095 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4097 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
4098 when declaring arguments and calling va_arg() to initialize them.
4100 * collect2.c (notice): Likewise.
4102 * loop.c (find_life_end): Use PROTO() macro in the prototype.
4104 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4106 * collect2.c (error): Fix typo in declaration.
4108 * cpperror.c (cpp_message): Likewise.
4110 * cpplib.c (cpp_warning): Likewise.
4112 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
4115 * toplev.c (error): Fix typo in declaration.
4117 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4119 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
4120 forward from cont dominator.
4122 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4124 * cccp.c (eprint_string): Constify a char*.
4125 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
4126 (vnotice): Constify a char*.
4127 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
4128 (verror): Constify a char*.
4129 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
4130 (vwarning): Constify a char*.
4131 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
4133 (verror_with_line): Constify a char*.
4134 (vwarning_with_line): Likewise.
4135 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
4137 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
4139 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
4140 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
4141 Also correct typo in parameter name declaration.
4142 (make_assertion): Constify a char*.
4143 (quote_string_for_make): Likewise.
4144 (deps_output): Likewise.
4145 (fatal): Likewise. Use PVPROTO not VPROTO, add
4146 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
4147 "__attribute__ ((noreturn))".
4148 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
4149 (pfatal_with_name): Likewise.
4150 (pipe_closed): Likewise.
4151 (memory_full): Likewise.
4153 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4155 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
4156 may_not_optimize to proper size when converting biv increments
4158 If necessary, reallocate reg_iv_type / reg_iv_info before calling
4161 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4163 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
4164 generate complex adds. Changed caller.
4165 Don't generate adds that cost more than the original one.
4166 (strength_reduce): Warning fixes.
4168 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
4170 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
4171 * configure: Rebuilt.
4173 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4175 * rtl.h (insn_first_p, no_jumps_between_p): Declare.
4176 * rtlanal.c (insn_first_p, no_jumps_between_p): New function.
4177 * loop.h (varray.h): Include.
4178 (struct induction): Change combined_with to unsigned.
4179 New members derived, ix and last_use.
4180 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
4181 (REG_IV_TYPE, REG_IV_INFO): Define.
4182 (first_increment_giv, last_increment_giv): Declare.
4183 * loop.c (loop_number_loop_cont): New static variable.
4184 (loop_number_cont_dominator): Likewise.
4185 (reg_iv_type, reg_iv_info): Now varray_type.
4186 (first_increment_giv, last_increment_giv): New variables.
4187 (compute_luids, verify_dominator, find_life_end): New functions.
4188 (cmp_recombine_givs_stats, recombine_givs): Likewise.
4189 (loop_optimize): Allocate loop_number_loop_cont and
4190 loop_number_cont_dominator. Use compute_luids.
4191 (find_and_verify_loops): Initialize loop_number_loop_cont and
4192 loop_number_cont_dominator.
4193 (strength_reduce): Try to find bivs that can be expressed as givs
4194 of another biv, and to convert biv increments into givs.
4195 Call recombine_givs. Handle derived givs.
4196 (record_biv): New argument location. All callers changed.
4197 (record_giv): Initialize derived and last_use fields.
4198 (basic_induction_var): New argument location. All callers changed.
4199 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
4200 Increment combined_with instead of setting to 1.
4201 * unroll.c (derived_regs): New static variable.
4202 (unroll_loop): Initialize it.
4203 Allocate local_regno according to max_reg_num.
4204 (copy_loop_body): Cope with derived givs.
4205 (find_splittable_givs): Check for Givs made from biv increments.
4206 Set derived_regs for givs.
4207 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
4209 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4211 * function.c (purge_addressof_1): Handle case when a register
4212 has been used in a wider mode.
4214 1999-01-27 Bruce Korb <autogen@linuxbox.com>
4216 * fixinc/fixincl.c, fixinc/server.[ch]:
4217 Removed the last of the capitalized variable and proc names.
4219 * fixinc/server.c: Removed the process open code.
4220 * fixinc/procopen.c: New file containing the proc open code.
4221 * fixinc/inclhack.tpl: Added code to bypass a readability test
4222 when a file is not present. A problem on some systems.
4223 * fixinc/inclhack.sh, fixinc/fixincl.sh: Regenerated.
4225 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
4227 * cpplib.h (cpp_notice): Add prototype.
4229 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
4231 * Merge gcc2 snapshot 19980929.
4233 * cccp.c (PRINTF_PROTO): Remove.
4234 (PRINTF_PROTO_{1,2,3,4}: Likewise.
4236 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
4238 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
4239 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
4240 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
4242 * gen-protos.c (hashf): Delete in cpphash.o.
4243 * gen-protos.c (hashf): Delete in cpphash.o.
4245 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
4246 * expmed.c: Likewise.
4247 * rs6000.md: Likewise.
4249 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
4251 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
4253 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
4254 * rs6000.md (movsi, movdi): Likewise.
4256 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
4258 * function.c (expand_function_end): Pass arg_pointer_save_area to
4259 validize_mem before using it. Emit code into a sequence.
4261 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@gnu.org>
4263 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
4264 '#' to split patterns. Correct indentation of some new patterns.
4266 1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
4268 * cppfiles.c (safe_read): Deleted.
4269 (read_and_prescan): New function, replaces safe_read, converts
4270 and/or warns about trigraphs, silently converts odd line
4271 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
4272 (finclude): Use read_and_prescan; turn off nonblocking mode on
4273 the input descriptor; remove file-size-examination and
4274 no-newline-at-EOF gunk which is longer necessary; be more
4275 careful about checking that we've been handed a legitimate
4276 file to read (only real files, pipes, and ttys are acceptable).
4277 * cpplib.h (cpp_options): Rename no_trigraphs flag to
4278 `trigraphs' and invert its sense.
4279 (trigraph_table): Declare.
4280 (cpp_warning_with_line): Prototype.
4281 * cpplib.c: Remove all references to trigraph_pcp. Define
4282 trigraph_table; initialize it in initialize_char_syntax. Open
4283 files in nonblocking mode. s/no_trigraphs/trigraphs/
4284 throughout, and invert sense. Put cpp_warning_with_line back
4287 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4289 * config/c4x/c4x.h (COUNTER_REGS): New register class.
4290 * config/c4x/c4x.md (*rptb_init): Change constraints.
4291 (rptb_end): Emit alternate looping instructions if
4292 RC register not allocated for loop counter.
4293 (decrement_and_branch_on_count): Allow other registers
4296 1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu>
4298 * cppexp.c (struct arglist): Removed.
4299 (parse_number): Use HOST_WIDE_INT for the accumulator.
4300 Allow two `l' suffixes unless C89. Clean up. Make static.
4301 (parse_charconst): New function broken out of cpp_lex.
4302 Code cleaned up drastically. Don't use a token_buffer.
4303 (token_buffer): Removed.
4304 (cpp_lex): Don't call parse_number on a constant string.
4305 Use parse_charconst.
4306 (cpp_parse_expr): Properly handle an ERROR op returned by
4309 1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
4311 * cpplib.c: Don't include signal.h, sys/times.h, or
4312 sys/resource.h. Don't declare localtime.
4313 (macroexpand): Handle special symbols here.
4314 (push_macro_expansion): Chop off the trailing '@ ' if possible
4316 (cpp_get_token): Don't do either of the above two things here.
4317 Move `string' label just after case '"' so that wide strings
4318 don't crash the preprocessor.
4320 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@gnu.org>
4322 * rs6000.md (left shift + set cr patterns): Add missing '#' to
4324 (move register + set cr pattern): Likewise.
4325 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
4326 inadvertently deleted.
4328 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
4330 * stmt.c (stmt_loop_nest_empty): New function.
4331 * tree.h (stmt_loop_nest_empty): Declare it.
4332 * rtl.def (CALL_PLACEHOLDER): New rtx code.
4334 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4336 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
4338 (c4x_check_legit_addr): Remove USE and PLUS, allow
4339 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
4340 (c4x_legitimize_address): Penalize SYMBOL_REF, LABEL_REF, and
4341 CONST cases. Add LO_SUM.
4342 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
4343 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
4344 (c4x_print_operand_address): Handle LO_SUM.
4345 (c4x_scan_for_ldp): Delete. Hooray!
4346 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
4348 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
4350 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
4352 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
4354 (c4x_U_constraint, symbolic_operand): New functions.
4355 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
4356 disable SYMBOL_REF, LABEL_REF, and CONST.
4357 (lsrc_operand, tsrc_operand): Call src_operand instead of
4359 (c4x_operand_subword): Update comments.
4361 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
4362 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
4363 plus HIGH and LO_SUM for the C40.
4364 (ENCODE_SECTION_INFO): Define macro.
4365 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
4367 (PREDICATE_CODES): Add symbolic_operand.
4369 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
4370 c4x_emit_move_sequence.
4371 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
4372 to avoid symbol references.
4373 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
4374 (set_high): Renamed from set_high_use.
4375 (set_lo_sum): Renamed from set_ior_lo_use.
4376 (all call patterns): Make MEM explicit in call address operands.
4377 Modified output templates to use 'U' modifier.
4379 Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com)
4381 * version.c: Bump for snapshot.
4383 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4385 * final.c (bb_str): Qualify a char* with the keyword `const'.
4386 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
4388 * fix-header.c (read_scan_file): Likewise.
4390 * genoutput.c (output_epilogue, process_template): Likewise.
4392 * local-alloc.c (requires_inout, block_alloc): Likewise.
4394 * output.h (output_asm_insn, assemble_string): Likewise.
4396 * recog.c (recog_constraints, check_asm_operands,
4397 decode_asm_operands, extract_insn, preprocess_constraints,
4398 constrain_operands): Likewise.
4400 * recog.h (operand_alternative, recog_constraints, insn_template,
4401 insn_outfun, insn_operand_constraint, insn_name): Likewise.
4403 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
4405 * regmove.c (find_matches): Likewise.
4407 * reload.c (alternative_allows_memconst): Likewise.
4409 * reload1.c (constraint_accepts_reg_p,
4410 reload_cse_simplify_operands): Likewise.
4412 * rtl.h (decode_asm_operands): Likewise.
4414 * scan.h (fn_decl): Likewise.
4416 * varasm.c (assemble_string): Likewise.
4418 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
4420 * configure.in (gcc_tooldir): Handle case where exec_prefix has
4421 not been explicitly set.
4422 * configure: Rebuilt.
4424 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
4427 * bitmap.h (bitmap_head_def): Make indx field unsigned.
4429 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
4430 use $exec_prefix/$target_alias for gcc_tooldir.
4431 * configure: Rebuilt.
4433 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
4435 * cppp.c (xrealloc): Fix typo last change.
4436 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
4437 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
4438 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
4440 1999-01-22 Michael Meissner <meissner@cygnus.com>
4442 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
4443 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
4444 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
4445 (cc_reg_not_cr0_operand): Add declaration.
4447 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
4448 pseudo register, or a control register that is not CR0.
4450 * rs6000.md (all combiner patterns building . instructions): For
4451 all `.' instructions that do something and set cr0, add an
4452 alternative that does the operation, and then sets a different
4453 flag, in order to avoid using the costly mcrf instruction and also
4454 allow cr0 to be clobbered in asm statements. Also fix a few
4455 patterns that used the wrong register.
4457 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
4458 (rs6000_debug_name): Make const char *, not char *.
4460 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
4462 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
4463 (rs6000_select): Use const char * in casts.
4465 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
4467 * Makefile.in (gcc_tooldir): Move before first reference.
4468 Let autoconf substitute in a value.
4469 * configure.in (gcc_tooldir): Only use a relative path to the
4470 tool directory if $exec_prefix == $prefix.
4471 * configure: Rebuilt.
4473 * Makefile.in (tooldir): Replace with gcc_tooldir.
4475 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
4477 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indentation.
4478 (ashldi3 expander): Similarly. Update comments.
4479 (ashrdi_const, lshrdi_const): Fix indentation.
4480 (ashrdi3, lshrdi3): Fix indentation. Update comments.
4482 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
4484 * emit-rtl.c (try_split): Don't try to split non-instructions.
4486 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
4488 * expr.c (emit_push_insn): Fix dumb typo.
4490 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
4492 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
4493 transformations that we have performed earlier.
4494 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
4496 * alpha.md (prologue_stack_probe_loop): Don't do our own label
4497 handling, call gen_label_rtx instead.
4499 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
4501 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
4503 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
4504 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
4505 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
4506 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
4507 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
4509 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
4511 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
4512 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
4513 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
4514 * configure: Regenerate.
4516 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
4518 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
4520 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
4522 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
4524 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
4526 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
4527 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
4528 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
4529 (move_by_pieces): Use new macros.
4530 (emit_block_move): Use new macros.
4531 (clear_by_pieces): Use new macros.
4532 (clear_storage): Use new macros.
4533 (emit_push_insn): Use new macros.
4534 (expand_expr): Use new macros.
4535 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
4537 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
4538 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
4539 (MOVE_MAX_PIECES): Move 8 bytes on SH4.
4540 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
4541 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
4542 USE_STORE_PRE_DECREMENT): Describe new macros.
4544 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
4546 * varasm.c (output_constant_pool): Use floor_log2 instead of
4547 exact_log2 for ASM_OUTPUT_ALIGN.
4549 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
4551 * emit-rtl.c (operand_subword): Handle case when a subword outside
4554 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
4557 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
4559 * cse.c (fold_rtx): Revert 29 Dec change.
4560 (cse_insn): Revert 12 Jan change.
4561 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
4562 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
4563 * rtl.def: Likewise.
4564 * rtl.h (CONSTANT_P): Likewise.
4566 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
4568 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
4569 * alpha.c (input_operand): Likewise.
4570 * c4x.c (const_operand): Likewise.
4572 * explow.c (allocate_dynamic_stack_space): Use register_operand
4573 instead of arith_operand, which does not exist.
4575 * 1750a.h: Fix comment closure.
4576 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
4577 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
4578 * arm.h (TARGET_SWITCHES): Fix typo.
4579 * i370.md (anon mult and div patterns): Fix set mode mismatch.
4580 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
4581 (output_delay_insn): Likewise.
4582 * m88k.md (anon rotate insns): Fix set mode mismatch.
4583 (anon BLKmode moves): Commonize and fix set mode mismatches.
4584 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
4585 * romp.md (movdf): Fix typo.
4587 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
4589 * Makefile.in (install-common): Remove extraneous chmod for gcov
4592 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
4594 * function.c (assign_parms): Save and restore setting of
4597 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
4599 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
4600 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
4602 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
4604 * recog.c (pop_operand): New function.
4605 * recog.h (pop_operand): Declare it.
4606 * genrecog.c (preds): Define it.
4608 * expr.c (do_jump_for_compare): Handle conditional branch expanders
4609 emitting multiple jump instructions.
4610 * jump.c (condjump_label): New function.
4611 * rtl.h (condjump_label): Declare it.
4613 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
4615 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
4616 clobber during or after reload.
4618 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
4620 * genoutput.c (name_for_index): New function.
4621 (scan_operands, validate_insn_alternatives): Use it.
4622 * genrecog.c (insn_name_ptr_size): New variable.
4623 (make_insn_sequence): Fill in insn_name_ptr.
4624 (merge_trees): Use it.
4626 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
4628 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
4629 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
4630 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
4632 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
4634 * loop.c (NUM_STORES): Delete.
4635 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
4636 (prescan_loop): Properly initialize loop_mems_idx.
4637 (note_addr_stored): Simplify using list structure instead of
4639 (invariant_p, check_dbra_loop, load_mems): Similarly.
4641 * flow.c (invalidate_from_autoinc): New function.
4642 (mark_set_1, mark_used_regs): Use it.
4644 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
4646 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
4648 * invoke.texi (-mlong-double-64): New option description.
4650 1999-01-19 Jim Wilson <wilson@cygnus.com>
4652 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
4653 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
4654 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
4656 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
4657 (CPP_SPECS): Add -mlong-double-64 support.
4658 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
4659 (TARGET_SWITCHES): Add -mlong-double-64 support.
4660 (LONG_DOUBLE_TYPE_SIZE): Likewise.
4661 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4662 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
4663 (CPP_SPECS): Add -mlong-double-64 support.
4664 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
4665 (MULTILIB_DIRNAMES): Add ld64.
4666 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
4668 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
4670 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
4671 invisible reference.
4673 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@gnu.org>
4675 * rs6000.c (offsettable_addr_operand): Delete.
4676 (offsettable_mem_operand): New function.
4677 * rs6000.h (PREDICATE_CODES): Reflect function change.
4678 (RS6000_SAVE_TOC): Represent address as MEM.
4679 * win-nt.h (RS6000_SAVE_TOC): Same.
4680 * rs6000.md (indirect calls): Change offsettable address parameter
4681 to offsettable memory parameter.
4683 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
4685 * rtl.h (rtx_def): Update documentation.
4686 (MEM_IN_STRUCT_P): Likewise.
4687 (MEM_SCALAR_P): New macro.
4688 (MEM_COPY_ATTRIBUTES): Likewise.
4689 (MEM_SET_IN_STRUCT_P): Likewise.
4690 * rtl.texi (MEM_SCALAR_P): Document.
4691 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
4692 (fixed_scalar_and_varying_struct_p): New function. Use
4693 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
4694 (aliases_everything_p): Likewise.
4695 (true_dependence): Use them.
4696 (write_dependence_p): New function, containing code common to
4697 anti_dependence and output_dependence.
4698 (anti_dependence): Use it.
4699 (output_dependence): Likewise.
4700 * calls.c (save_fixed_argument_area): Don't clear
4702 (expand_call): Use MEM_SET_IN_STRUCT_P.
4703 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
4704 (emit_library_call_value): Likewise.
4705 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
4706 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
4707 (make_extraction): Likewise.
4708 (simplify_shift_const): Likewise.
4709 (gen_lowpart_for_combine): Likewise.
4710 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
4711 * emit-rtl.c (operand_subword): Likewise.
4712 (change_address): Likewise.
4713 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
4714 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
4715 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
4716 (copy_blkmode_from_reg): Likewise.
4717 (store_field): Likewise.
4718 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
4719 heuristically. Use MEM_SET_IN_STRUCT_P.
4720 (get_memory_rtx): Likewise.
4721 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
4722 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
4723 MEM_ALIAS_SET on newly returned MEMs.
4724 (assign_temp): Use MEM_SET_IN_STRUCT_P.
4725 (put_reg_into_stack): Likewise.
4726 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
4727 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
4728 (assign_parms): Likewise.
4729 (expand_function): Likewise.
4730 * integrate.c (expand_inline_function): Likewise.
4731 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
4732 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
4733 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
4734 * print-rtl.c (print_rtx): Print /f for frame_related.
4735 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
4736 * reload1.c (reload): Copy MEM_SCALAR_P as well.
4737 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
4738 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
4739 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
4740 (output_constant_def): Likewise.
4741 * a29k.c (a29k_set_memflags_1): Take scalar_p.
4743 (a29k_set_memflags): Use it.
4744 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
4745 * c4x.c (c4x_scan_for_ld): Likewise.
4746 * h8300.c (fix_bit_operand): Likewise.
4747 * m88k.c (legitimize_address): Likewise.
4748 (block_move_loop): Likewise.
4749 (block_move_no_loop): Likewise.
4750 (block_move_sequence): Likewise.
4751 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
4752 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
4753 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
4754 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
4755 * arm.h (arm_gen_load_multiple): Take scalar_p.
4756 (arm_store_load_multiple): Likewise.
4757 * arm.c (arm_gen_load_multiple): Likewise.
4758 (arm_gen_store_multiple): Likewise.
4759 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
4761 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
4763 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
4764 calls within a libcall block to indicate no throws are possible.
4765 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
4766 libcall blocks. Don't add edges to exception handlers if we see
4767 a REG_EH_REGION note with a value of 0.
4768 (make_edges): Override active_eh_region vector if the call has a note
4769 indicating the call does not throw.
4771 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
4773 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
4775 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
4777 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
4779 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
4781 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
4783 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
4785 * invoke.texi (-mcpu=740, -mcpu=750): New options.
4786 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
4789 1999-01-18 Michael Meissner <meissner@cygnus.com>
4791 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
4792 supported with -mcpu=xxx.
4793 (processor_type): Add PROCESSOR_PPC750.
4794 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
4795 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
4796 (rs6000_adjust_priority): Add declaration.
4798 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
4799 processor type as 750, not 603. Allow -mmultiple and -mstring on
4800 little endian 750 systems.
4801 (rs6000_adjust_priority): Stub for now.
4802 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
4804 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
4806 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
4808 (CC1_SPEC): Pass -mstrict-align if little endian, and not
4810 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
4811 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
4813 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
4816 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
4818 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
4820 * config/mips/mips.md (div_trap): Split div_trap_mips16
4822 (div_trap_normal,div_trap_mips16): Correct the length attributes.
4824 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4826 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
4827 Instead of writing to const char *buf directly, use a non-const
4828 variable `wbuf' to allocate and write a string, then set buf = wbuf.
4830 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
4833 * dyn-string.c (dyn_string_append): Likewise.
4835 * dyn-string.h (dyn_string_append): Likewise.
4837 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
4839 * output.h (end_final, output_operand_lossage, asm_fprintf,
4840 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
4843 * profile.c (init_branch_prob): Likewise.
4845 * toplev.c (set_target_switch, vmessage,
4846 v_message_with_file_and_line, v_message_with_decl,
4847 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
4848 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
4849 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
4850 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
4851 open_dump_file, dump_rtl, clean_dump_file,
4852 print_version, print_single_switch, print_switch_values,
4853 dump_base_name, debug_args, lang_independent_options,
4854 user_label_prefix, documented_lang_options, target_switches,
4855 target_options, print_time, pfatal_with_name, fatal_io_error,
4856 fatal_insn, default_print_error_function, print_error_function,
4857 report_error_function, error_with_file_and_line, error_with_decl,
4858 error_for_asm, error, fatal, warning_with_file_and_line,
4859 warning_with_decl, warning_for_asm, warning, pedwarn,
4860 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
4861 really_sorry, botch, output_quoted_string, output_file_directive,
4862 open_dump_file, rest_of_decl_compilation, display_help, main):
4865 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
4866 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
4867 warning_with_file_and_line, error_with_file_and_line, sorry,
4868 really_sorry, default_print_error_function, report_error_function,
4869 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
4870 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
4871 output_file_directive, botch): Likewise.
4873 * tree.h (make_decl_rtl): Likewise.
4875 * varasm.c (strip_reg_name, named_section, decode_reg_name,
4876 make_decl_rtl): Likewise.
4878 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
4880 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
4881 directory logically rather than physically.
4883 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4885 * loop.c (insert_bct): Hide the definition of variables
4886 `increment_direction', `compare_direction', `add_iteration' and
4889 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
4890 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
4891 (mode_independent_operand): Mark label `lose' with
4892 ATTRIBUTE_UNUSED_LABEL.
4894 * regclass.c (n_occurrences): Remove prototype and definition.
4896 * reload.c (find_reloads_address_1): Mark variable `tem' with
4899 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
4901 * sbitmap.c (sbitmap_copy): Likewise.
4903 * scan-decls.c (scan_decls): Hide label `handle_comma'.
4905 * toplev.c (output_lang_identify): Mark prototype with
4908 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
4909 (make_tree_vec): Likewise.
4912 * varasm.c (assemble_static_space): Mark variable `tem' with
4915 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
4917 * Makefile.in (GCOV_INSTALL_NAME): New macro.
4918 (install-common): Use it.
4919 (uninstall): Use it.
4920 (uninstall): Use correct names for protoize and unprotoize.
4922 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
4923 Jeffrey A Law (law@cygnus.com)
4925 * flow.c (last_mem_set): Delete variable. References removed.
4926 (mem_set_list): New variable.
4927 (life_analysis): Initialize and finalize alias analysis.
4928 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
4929 (insn_dead_p): For a store to memory, search the entire mem_set_list
4931 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
4932 changes to their addresses. Add new entries to the mem_set_list for
4933 memory writes writes.
4934 (mark_used_regs): Kill entries on the mem_set_list which may be
4935 referenced by a load operation.
4937 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
4939 * alias.c (base_alias_check): Add missing return for differing
4942 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4944 * mips-tdump.c (print_file_desc): Handle unknown filenames and
4945 missing local symbols.
4947 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
4949 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
4951 * system.h (bcopy): Implement with memmove not memcpy.
4953 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
4955 * Makefile.in (cppulp.o): Add dependencies.
4957 * i386.md (integer conditional moves): Add missing earlyclobbers.
4959 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
4960 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
4961 where a register is live.
4963 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
4965 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
4966 of a FP conditional move is not on the FP register stack.
4968 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
4970 * version.c: Bump for snapshot.
4972 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
4974 * reload1.c (reload_cse_regs_1): Do not call
4975 reload_cse_simplify_operands for an insn with asm operands.
4977 * cccp.c (print_help): Fix typos.
4978 * cpplib.c (print_help): Fix typos.
4979 * toplev.c (f_optiosn): Fix typos.
4980 (documented_lang_options): Fix typos.
4982 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
4984 * gcc.c (do_spec_1): Fix obvious typo.
4986 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4988 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
4989 a non-static function declaration follows a static one.
4991 * invoke.texi (-Wtraditional): Document the extra check now done
4994 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
4996 * pa.md (shadd): Create shadd insns, even if the result of the shift is
4997 needed without the addition.
4999 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5001 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
5003 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
5005 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
5007 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@gnu.org>
5009 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
5010 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
5011 non_add_cint_operand, non_logical_cint_operand): Likewise.
5012 (get_issue_rate): Add CPU_PPC604E case.
5013 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
5015 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
5017 * expr.c (queued_subexp_p): Make public.
5018 * expr.h (queued_subexp_p): Declare it.
5019 * recog.c (asm_operand_ok): New function.
5020 (check_asm_operands): Use it. After reload, use constrain_operands
5022 * recog.h (asm_operand_ok): Declare it.
5023 * stmt.c (expand_asm_operands): Use it to try harder to make
5024 asms initially satisfy their constraints.
5026 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
5028 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
5029 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
5031 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5033 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
5034 in delay slot of RPTBD.
5036 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5038 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
5039 divide and modulo sign problem.
5041 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5043 * unroll.c (loop_iterations): Return 0 if the last loop insn
5044 is not a jump insn or if the loop has multiple back edges.
5046 1999-01-15 Manfred Hollstein <manfred@s-direktnet.de>
5048 * configure.in (fixinc_defs): Do not define for m[68]8k-motorola-sysv{,3};
5049 it's working properly now. Remove comment saying "see m68k-motorola-sysv
5051 * configure: Regenerate using autoconf.
5053 * fixinc/fixincl.c (main): Do not ignore SIGCHLD.
5055 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
5057 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
5058 a register with another DEST_ADDR giv if the address is not valid.
5060 * pa.c (hppa_expand_epilogue): Save and restore the static chain
5061 around the call to mcount.
5063 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
5065 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
5066 generating non-canonical rtl.
5068 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
5070 * config/i960/i960.c (i960_output_move_double_zero,
5071 i960_output_move_quad_zero): New functions for moving zeros.
5072 (i960_output_move_double, i960_output_move_quad): Additional code
5073 for situation when moving unaligned register group.
5075 * config/i960/i960.h (i960_output_move_double_zero,
5076 i960_output_move_quad_zero): The function definitions.
5078 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
5080 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
5082 * config/i960/i960.c (i960_function_prologue): New code (optimal
5083 solution) for saving global registers in local registers.
5084 (form_reg_groups, reg_group_compare, split_reg_group): New
5085 functions used by the code.
5086 (reg_group): New structure definition for the new code.
5088 1999-01-13 Manfred Hollstein <manfred@s-direktnet.de>
5090 * fixinc/fixincl.c (create_file): Pass file creation mask as
5091 third parameter to "open". Use O_TRUNC flag to open instead of
5092 explicitly unlink'ing the file.
5093 (process): and forget about the "chmod" stuff.
5095 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
5097 * integrate.c (expand_inline_function): Recognize (mem (addressof))
5098 and substitute. Copy the return value from there into a new pseudo.
5100 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
5102 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
5103 before generating a call to abort for volatile functions.
5104 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
5105 (TARGET_ABORT_NORETURN): Define.
5106 (abort-on-noreturn): New option.
5108 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5110 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
5111 and binarycc operations in 3rd annulled delay slot!
5113 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
5115 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
5116 before generating a call to abort for volatile functions.
5117 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
5118 (TARGET_ABORT_NORETURN): Define.
5119 (abort-on-noreturn): New option.
5121 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5123 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
5124 Remove prototype which we get from libiberty.h.
5126 * collect2.c (xstrdup): Likewise.
5128 * genextract.c (xstrdup): Likewise for `copystr'.
5129 (mybzero): Remove it and use `memset' instead.
5131 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
5132 to use `memcpy' and `memset' instead.
5134 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
5135 changed. Remove prototype.
5136 (mybcopy, mybzero): Remove these and use memcpy/memset.
5138 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
5140 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
5141 generating code for TARGET_64BIT.
5143 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@gnu.org>
5145 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
5146 HOST_WIDE_INT word-size.
5147 (rs6000_stack_info): Remove redundant alignment of fpmem.
5149 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
5151 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
5152 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
5153 (input_operand): Adjust CONSTANT_P_RTX handling.
5154 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
5155 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
5156 (movhi, movqi): Remove CONSTANT_P_RTX handling.
5157 (movdi): Adjust CONSTANT_P_RTX handling.
5159 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
5161 * configure: Regenerate using autoconf.
5163 * fixinc/Makefile.in (INCLUDES): Add -I$(srcdir)/../../include.
5164 * fixinc/fixincl.c (SIGCHLD): Use SIGCLD on (very) old systems.
5165 (process): "fchmod" isn't available on all systems, use "chmod"
5167 * fixinc/server.c: Add #include <sys/types.h>.
5168 (STDIN_FILENO): Add default definition if no include file defines
5170 (STDOUT_FILENO): Likewise.
5172 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
5174 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
5176 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
5178 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
5179 ensure all prototypes necessary for building libio will be available.
5180 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
5181 definitions here as they are not host specific.
5182 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
5184 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
5186 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
5188 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
5190 * version.c: Bump for snapshot.
5192 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
5194 * rtl.c (rtx_alloc): Use memset instead of inline loop.
5196 * recog.h (recog_op_alt): Declare extern.
5198 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
5200 * function.c (purge_addressof_1): If the note accesses a mem+addressof
5201 in a wider mode than any replacement, adjust the cached replacement.
5202 Cache trivial substitutions as well.
5204 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
5206 * Makefile.in (OBJECTS): Add sbitmap.o.
5207 (BASIC_BLOCK_H): Add sbitmap.h.
5208 * basic-block.h: Move simple bitmap code to sbitmap.h.
5209 * flow.c: Move simple bitmap code to sbitmap.c.
5210 * sbitmap.h, sbitmap.c: New files.
5212 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
5214 * alpha.h (TARGET_SWITCHES): Document switches.
5215 (TARGET_OPTIONS): Likewise.
5217 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
5219 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
5221 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
5223 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
5225 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
5226 (basic_block_end): Rename to x_basic_block_end.
5227 (BLOCK_HEAD, BLOCK_END): Update.
5229 * caller-save.c: Change basic_block_head/end references to
5231 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
5232 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
5233 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
5235 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5237 * gcc.c (xstrerror): Renamed from my_strerror. All callers
5238 changed. Remove prototype since we get that from libiberty.h.
5240 * protoize.c (xstrerror): Likewise.
5242 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5244 * gcc.c (read_specs): Ensure format specifiers match their arguments.
5246 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
5248 * tree.c (copy_node): Oops. That would be copy not zero
5249 in that last change.
5251 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5253 * config/c4x/c4x.c: Include system.h.
5254 (c4x_caller_save_map): Disable caller save for RC.
5255 (c4x_optimization_options): Disable scheduling before reload.
5256 (valid_parallel_load_store) : Define return type as int.
5257 Remove unused variable regs.
5258 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
5260 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
5262 (*db, decrement_and_branch_until_zero): Fix up constraints
5263 to keep reload happy.
5265 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
5267 * tree.c (make_node): Call bzero instead of inline clear.
5268 (copy_node, make_tree_vec, build1): Likewise.
5269 (get_identifier): Call strlen instead of inline count.
5270 (maybe_get_identifier): Likewise.
5272 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5274 * config/c4x/c4x.md (in_annul_slot_3): Allow unarycc and binarycc
5275 operations in 3rd annulled delay slot.
5276 (*lshrqi3_const_set): Disallow c constraint for operand0.
5277 (modhi3+1, modhi3+2): Set attribute type to multi.
5278 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
5281 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5283 * gansidecl.h: Allow attribute unused on labels only when we are
5284 version 2.93 or higher. Not all versions of 2.92 have this feature.
5286 * version.c: Bump minor number to 93.
5288 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5290 * config/m68k/m68k.h: Declare output_function_epilogue.
5291 * recog.h: Declare next_insn_tests_no_inequality.
5293 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
5295 * stmt.c (optimize_tail_recursion): New function, extracted from ...
5296 (expand_return): Use optimize_tail_recursion.
5297 * tree.h (optimize_tail_recursion): Declare.
5299 * toplev.c (compile_file): Move call to output_func_start_profiler
5300 to after the loop to emit deferred functions.
5302 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5304 * system.h (abort): Supply more detailed information on how to
5305 report an Internal Compiler Error.
5307 Thu Jan 7 9:25:58 PST 1999 Bruce Korb (korb@datadesign.com)
5309 * fixinc/fixincl.c (*): More decapitalization of variables
5310 plus some explanatory comments.
5312 * fixinc/Makefile.in fixinc/mkfixinc.sh:
5313 When the fixincl program does not work for a certain system,
5314 we substitute a shell script. Added user commentary when
5317 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
5319 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
5320 allocate memory that will live beyond this function.
5321 (expand_call): Free it here.
5323 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
5325 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
5326 integer data not destined for fp regs.
5327 (LEGITIMIZE_RELOAD_ADDRESS): New.
5329 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
5330 Richard Henderson <rth@cygnus.com>
5332 Support for Hypersparc and Sparclite86x:
5333 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
5334 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
5335 (ASM_CPU32_DEFAULT_SPEC): Likewise.
5336 (TARGET_CPU_DEFAULT): Likewise.
5337 (enum processor_type): Likewise.
5338 (CPP_ENDIAN_SPEC): Handle little endian data.
5339 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
5340 (ADJUST_COST): Call sparc_adjust_cost.
5341 * sparc.c (sparc_override_options): Fix up for the new targets.
5342 (supersparc_adjust_cost): Make static.
5343 (hypersparc_adjust_cost): New.
5344 (ultrasparc_adjust_cost): Make static.
5345 (sparc_adjust_cost): New.
5346 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
5347 (function_unit): Add hypersparc scheduling rules.
5349 * configure.in (with_cpu handler): Recognize hypersparc.
5351 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5353 * config/c4x/c4x.c: Added space after negation operator.
5354 * config/c4x/c4x.h: Likewise.
5355 * config/c4x/c4x.md: Likewise.
5357 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5359 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
5361 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5363 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
5364 when a test can't be performed due to limited width of
5365 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
5366 Fix UDIV case for cases where the first operand has the highest bit
5369 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
5371 * pa.h (reg_class): Add FPUPPER_REGS.
5372 (REG_CLASS_NAMES): Similarly.
5373 (REG_CLASS_CONTENTS): Similarly.
5374 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
5375 (FP_REG_CLASS_P): Likewise.
5376 (REG_CLASS_FROM_LETTER): Similarly.
5377 (CLASS_MAX_NREGS): Similarly.
5379 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
5381 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
5382 for a typedef of bool. Make sure to have a copy of the file is
5383 in place before we look to fix it. Fix typo in variable name to
5386 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
5388 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
5389 value_mode for the return mode.
5391 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
5393 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
5394 debugging as default.
5396 * config/tm-dwarf2.h: New file.
5398 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
5400 * h8300.h (ASM_OUTPUT_LABELREF): Define.
5402 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
5403 * local-alloc.c (update_equiv_regs): Corresponding changes.
5404 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
5406 * calls.c (special_function_p): Push alloca test inside the large
5407 conditional which excludes functions not at file scope or not
5410 * calls.c (special_function_p): New function broken out of
5412 (precompute_register_parameters): Likewise.
5413 (store_one_arg): Likewise.
5414 (store_unaligned_argumetns_into_pseudos): Likewise.
5415 (save_fixed_argument_area): Likewise.
5416 (restore_fixed_argument_area): Likewise.
5417 (expand_call): Corresponding changes.
5419 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5421 * config/c4x/c4x.md (addqi3): If the destination operand is
5422 a hard register other than an extended precision register,
5423 emit addqi3_noclobber.
5424 (*addqi3_noclobber_reload): New pattern added so that reload
5425 will recognize a store of a pseudo, equivalent to the sum
5426 of the frame pointer and a constant, as an add insn.
5428 1999-01-06 Manfred Hollstein <manfred@s-direktnet.de>
5430 * fixinc/fixincl.c: Re-indent according to the GNU standards.
5431 fixinc/server.c: Likewise.
5432 fixinc/server.h: Likewise.
5434 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5436 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
5438 (const_sint32_operand): Likewise.
5440 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5442 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
5443 is a macro when deciding if we can use `jmp_buf' in prototypes.
5445 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net>
5447 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
5448 * configure: Rebuilt.
5449 * i386/xm-go32.h: Define LIBSTDCXX.
5451 * i386/go32.h (MD_EXEC_PREFIX): Define.
5452 (FILE_NAME_ABSOLUTE_P): Define.
5453 (LINK_COMMAND_SPEC): Define.
5455 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
5457 * expr.c (store_expr): If the lhs is a memory location pointed
5458 to be a postincremented (or postdecremented) pointer, always
5459 force the rhs to be evaluated into a pseudo.
5461 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
5463 * real.c (mtherr): Print more reasonable warning messages.
5465 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5467 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
5469 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
5470 (new_include_prefix): Constify char* parameters.
5472 * cppfiles.c (read_name_map): Likewise.
5473 (append_include_chain): Likewise. Also, use a writable char* copy
5474 of parameter `dir' which we then modify, rather than using the
5475 parameter itself to store the new writable string.
5476 (remap_filename): Constify some variables. Also, use a writable
5477 char* to store an allocated string which we will be modifying.
5479 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
5480 (cpp_start_read): Constify variable `str'.
5482 * cpplib.h (append_include_chain): Constify a char* parameter.
5484 * gcc.c Include prefix.h, don't prototype prefix.c functions.
5485 (add_prefix, save_string): Constify char* parameters.
5486 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
5488 * prefix.c: Include prefix.h.
5489 (get_key_value, translate_name, save_string, update_path,
5490 set_std_prefix): Constify various char* parameters and variables.
5491 (save_string): Use xmalloc, not malloc.
5492 (translate_name): Use a writable temporary variable to create and
5493 modify a string before setting it to a const char*.
5495 * prefix.h: New file to prototype functions exported from prefix.c.
5497 Tue Jan 5 8:52:18 PST 1999 Bruce Korb (korb@datadesign.com)
5499 * fixinc/fixincl.c (various): Added debug code so
5500 Manfred can trace the processing.
5502 * fixinc/inclhack.def (sys/utsname.h): Provide forward declaration of
5503 struct utsname on Ultrix V4.[35].
5505 * fixinc/{fixincl.x|fixincl.sh|inclhack.sh} : Regenerated.
5507 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
5509 * cpplib.c (skip_if_group): Split out the logic that handles
5510 directive recognition to its own function. Don't use
5511 parse markers; use a bare pointer into the buffer. Use
5512 copy/skip_rest_of_line instead of doing it by hand. Remove
5513 `return on any directive' mode which was never used, and take
5515 (consider_directive_while_skipping): New function, subroutine
5516 of skip_if_group. Logic streamlined a bit.
5517 (conditional_skip, do_elif, do_else): Call skip_if_group with
5520 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
5522 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
5525 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
5527 * extend.texi (Bound member functions): Document.
5529 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5531 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
5532 lang_to_string, type_to_string): Make return type const char*.
5533 (print_symbol): Apply `const' keyword to a char*.
5534 (print_file_desc): Cast structure member `crfd' to ulong when
5535 comparing against one.
5537 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
5538 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
5539 (progname, input_name): Apply `const' keyword to a char*.
5540 Don't redundantly include sys/stat.h.
5541 (alloc_info): Apply `const' keyword to a char*.
5542 (st_to_string, sc_to_string): Likewise.
5543 (hash_string): Cast variable `hash_string' to a symint_t when
5544 comparing against one.
5545 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
5546 Likewise cast it to long when comparing against one.
5547 (add_local_symbol): Apply `const' keyword to a char*.
5548 (add_ext_symbol): Likewise.
5549 (add_unknown_tag): Likewise.
5550 (add_procedure): Cast a printf-style field width to an int.
5551 (add_file): Cast PAGE_USIZE to long when comparing against one.
5552 (parse_begin): Cast a printf-style field width to an int.
5553 (parse_bend): Likewise.
5554 (parse_def): Likewise.
5555 (parse_end): Likewise.
5556 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
5557 (parse_stabs_common): Fix format specifier.
5558 (parse_input): Change type of variable `i' to Size_t.
5559 (write_object): Fix arguments to match format specifiers.
5560 Cast variable `num_write' to long when comparing against one.
5561 (read_seek): Cast variable `sys_read' to symint_t when comparing
5562 against one. Fix arguments to match format specifiers. Cast
5563 variable `size' to long when comparing against one.
5564 (copy_object): Cast result of `sizeof' to int when comparing
5565 against one. Fix arguments to match format specifiers. Cast
5566 variable `ifd' to long when comparing against a signed value.
5569 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5571 * c-common.c (decl_attributes): Allow applying attribute `unused'
5574 * c-parse.in (label): Parse attributes after a label, and call
5575 `decl_attributes' to handle them.
5577 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
5579 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
5580 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
5582 * invoke.texi: Note that labels can be marked `unused'.
5584 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
5586 * version.c: Bump for snapshot.
5588 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
5590 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
5591 RTL for a compare/jump sequence.
5593 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5595 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
5596 for a target with HAVE_cc0 defined.
5597 (emit_cmp_and_jump_insns): New function.
5598 * expr.h (emit_cmp_and_jump_insns): Prototype it.
5599 * loop.c (check_dbra_loop): Use it to replace calls
5600 to emit_cmp_insn and emit_jump_insn and to canonicalize
5601 the comparison if necessary.
5602 * unroll.c (unroll_loop): Likewise.
5604 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5606 * fixincludes (sys/utsname.h): Provide forward declaration of
5607 struct utsname on Ultrix V4.[35].
5609 * mips.md (div_trap): Use local labels instead of dot-relative
5612 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
5614 * pa.md (branch, negated branch): Handle (const_int 0) as first
5616 * pa.c (output_cbranch): Likewise.
5618 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@gnu.org>
5620 * rs6000.c (rs6000_stack_info): Undo spurious part of last
5623 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
5625 * extend.texi (__builtin_constant_p): Add missing @smallexample.
5627 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
5629 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
5631 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
5633 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
5634 (adddi_dishl32): Similarly.
5636 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
5637 for each insn in the skipped block.
5639 * reload1.c (reload_as_needed): Verify that the insn satisfies its
5640 constraints after replacing a register address with an autoincrement
5641 address for reload inheritance purposes.
5643 * i386.md (doubleword shifts): Avoid namespace pollution.
5645 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
5647 * configure.in (FreeBSD ELF): Needs special crt files.
5649 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
5651 * i386/xm-cygwin.h: Change DIR_SEPARATOR to forward slash.
5653 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5655 * loop.c (check_dbra_loop): While reversing the loop, if the
5656 comparison value has a VOID mode use the mode of the other operand
5657 to compute the mask.
5659 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
5661 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
5662 avoid warnings in compiling explow.c.
5664 (patch from Ken Raeburn, raeburn@cygnus.com)
5665 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
5666 fpmem_offset. Compute total size after that, and then
5667 rs6000_fpmem_offset using both values.
5669 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5671 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
5672 the future; indeed that already happens in some cases.
5674 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
5676 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
5677 (arith_operand): Remove constant_p_rtx handling.
5678 (const64_operand, const64_high_operand): Likewise.
5679 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
5680 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
5681 (small_int_or_double, uns_small_int, zero_operand): Likewise.
5682 * sparc.h (PREDICATE_CODES): Likewise.
5684 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
5686 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
5688 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
5689 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
5690 consider constant CONSTRUCTOR constant and to defer some cases
5692 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
5693 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
5695 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
5697 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
5698 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
5700 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
5701 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
5702 (sext_add_operand, and_operand, or_operand): Likewise.
5703 (reg_or_cint_operand, some_operand, input_operand): Likewise.
5704 * alpha.h (PREDICATE_CODES): Likewise.
5706 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
5708 * version.c: Bump for snapshot.
5710 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
5712 * gengenrtl.c (gencode): Always use bzero to clear memory instead
5713 of dangerous casts and stores.
5715 * Makefile.in (compare, gnucompare): Add missing else true clauses.
5717 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
5719 * alpha.md (builtin_longjmp): Add missing "DONE".
5721 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
5723 * gcc.c (execute): Enable -pipe with win32.
5725 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
5727 * config/arm/t-arm-elf: Add multiplib option for leading
5730 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
5731 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
5733 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
5734 than variable 'reload_address_base_reg_class'. [Note this
5735 change is unrelated to the others in this patch].
5737 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
5740 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5742 * alias.c (record_alias_subset): Remove ignored `&'.
5743 (init_alias_once): Likewise.
5745 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
5747 * config/mips/mips.c (mips_asm_file_end): Cast the result of
5748 fwrite to `int' when comparing against one.
5750 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
5751 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
5753 * cse.c (rehash_using_reg): Change type of variable `i' to
5756 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
5757 assigning it to one.
5759 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
5761 * final.c (final_scan_insn): Likewise for variable `i'.
5762 (output_asm_insn): Cast a char to unsigned char when used as an
5765 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
5766 assigning it to one.
5768 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
5770 * recog.c (preprocess_constraints): Cast a char to unsigned char
5771 when used as an array index.
5773 * regmove.c (find_matches): Likewise.
5775 * reload1.c (calculate_needs): Add default case in switch.
5776 (eliminate_regs_in_insn): Initialize variable `offset'.
5777 (set_offsets_for_label): Change type of variable `i' to unsigned.
5778 (reload_as_needed): Wrap variable `i' in macro check on
5779 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
5781 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
5782 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
5783 when comparing against one.
5785 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
5786 unsigned when comparing against one. Likewise for
5787 GET_MODE_ALIGNMENT().
5788 (layout_record): Cast record_align to int when comparing against a
5790 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
5793 * tree.c (get_identifier): Cast variable `len' to unsigned when
5794 comparing against one.
5795 (maybe_get_identifier): Likewise
5797 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
5799 * toplev.c (rest_of_compilation): Do not set reload_completed.
5800 * reload1.c (reload): Set reload_completed before calling
5801 cleanup_subreg_operands.
5803 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
5805 * reload1.c (emit_reload_insns): Check `set' not null before use.
5807 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
5809 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
5812 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
5814 * halfpic.c (half_pic_encode): Delete redundant code.
5816 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
5818 * toplev.c (main): Delete handling of -dM as a preprocessor
5821 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
5823 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
5824 -dI, which are handled by the preprocessor.
5826 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
5828 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
5829 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
5831 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
5833 * version.c: Bump for snapshot.
5835 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
5837 * version.c: Bump for snapshot.
5839 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
5841 * version.c: Bump for snapshot.
5843 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5845 * genattr.c (fatal): Qualify a char* with the `const' keyword.
5847 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
5848 write_unit_name, write_eligible_delay, expand_units,
5849 make_length_attrs, write_attr_case, find_attr,
5850 make_internal_attr): Likewise.
5851 * gencheck.c (tree_codes): Likewise.
5852 * gencodes.c (fatal): Likewise.
5853 * genconfig.c (fatal): Likewise.
5854 * genemit.c (fatal): Likewise.
5855 * genextract.c (fatal, walk_rtx, copystr): Likewise.
5856 * genflags.c (fatal): Likewise.
5857 * genopinit.c (fatal, optabs, gen_insn): Likewise.
5858 * genoutput.c (fatal, error, predicates): Likewise.
5859 * genpeep.c (fatal): Likewise.
5860 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
5861 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
5863 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5865 * configure.in (with-fast-fixincludes): Fix whitespace.
5866 * configure: Rebuilt.
5868 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
5869 asm() etc. function declarations in __DECC.
5871 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
5873 * expr.c (emit_move_insn_1): Only emit a clobber if the target
5874 is a pseudo register.
5876 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
5878 * gcse.c: Include expr.h in order to get the prototype for
5879 get_condition() which is used in delete_null_pointer_checks().
5881 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5883 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
5885 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
5887 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
5888 (ALL_CFLAGS): Delete SCHED_CFLAGS.
5890 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
5892 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
5895 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
5897 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
5898 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
5899 optimizations from the combiner.
5901 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5903 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
5905 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
5907 * toplev.c (main): Disable optimize_size if a specific
5908 optimization level is requested. Always set optimization
5909 level to 2 if -Os is specified.
5911 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
5913 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
5915 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
5916 initialize it using fname.
5918 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
5920 * cpplib.c (do_include): Treat #include_next in the
5921 primary source file as #include plus warning. Treat
5922 #include_next in a file included by absolute path as an
5923 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
5925 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5927 * cccp.c: Don't define MIN/MAX anymore.
5928 * cpplib.c: Likewise.
5929 * machmode.h: Likewise.
5930 * system.h: Provide definitions for MIN/MAX.
5932 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5934 * fix-header.c: Don't define xstrdup here.
5936 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5938 * loop.c (consec_sets_giv): New argument last_consec_insn.
5939 (strength_reduce): Provide / use it.
5941 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5943 * loop.h (loop_info): New field 'vtop'.
5944 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
5945 scanning loop for vtop.
5946 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
5947 (loop_iterations): Use them to determine if loop has a constant
5948 number of iterations. Set loop_info->vtop. Don't subtract
5949 common reg term from initial_value and final_value if have a
5952 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
5954 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
5956 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
5958 * mn10200.md (abssf2, negsf2): New expanders.
5960 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
5962 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
5964 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
5965 replaced by a CONCAT whose components do not have the same
5966 mode as the original SUBREG, use a new SUBREG to restore the
5969 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
5970 multiword complex values.
5972 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
5974 * cppalloc.c: Add xstrdup here.
5975 * cpplib.h: Remove savestring prototype.
5976 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
5978 * cppfiles.c: s/savestring/xstrdup/ throughout.
5980 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
5982 * cpplib.c: Make all directive handlers read their own
5984 (struct directive): Remove last two arguments from FUNC
5985 member prototype. Remove `command_reads_line' member
5987 (directive_table): Remove initializations of
5988 command_reads_line flag. Pretty-print.
5989 (eval_if_expression, do_define, do_line, do_include,
5990 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
5991 do_else, do_elif, do_sccs, do_assert, do_unassert,
5992 do_warning): Take only two args.
5994 (cpp_define): Call do_define with two args and the text to
5995 define stuffed into a buffer.
5996 (make_assertion): Call do_assert with two args.
5997 (handle_directive): Call do_line with two args. Call
5998 kt->func with two args. Remove command_reads_line
6000 (do_define, do_undef, do_error, do_warning, do_pragma,
6001 do_sccs): Read the rest of the line here.
6002 (do_ident): Gobble rest of line, as cccp does.
6003 (cpp_undef): New function.
6004 (cpp_start_read): Call cpp_undef instead of do_undef.
6006 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
6008 * cpphash.h (union hash_value): Remove `keydef' member, add a
6009 `struct hashnode *aschain' member for #assert.
6011 * cpplib.c (struct tokenlist_list, struct
6012 assertion_hashnode): Delete structure definitions.
6013 (assertion_install, assertion_lookup, delete_assertion,
6014 check_assertion, compare_token_lists, reverse_token_list,
6015 read_token_list, free_token_list): Delete functions.
6016 (parse_assertion): New function.
6017 (cpp_cleanup): Don't destroy the assertion_hashtable.
6019 (do_assert): Gut and rewrite. #assert foo (bar) places
6020 entries for `#foo' and `#foo(bar)' in the macro hash table,
6021 type T_ASSERT. The value union's `aschain' member is used
6022 to chain all answers for a given predicate together.
6023 (do_unassert): Also rewritten. Take an un-asserted
6024 answer off the chain from its predicate and call
6025 delete_macro on the hashnode, or walk a predicate chain
6026 calling delete_macro on all the entries.
6027 (cpp_read_check_assertion): Simply call parse_assertion to
6028 get the canonical assertion name, and look that up in the
6031 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
6034 * cpphash.c (install): Use bcopy instead of an explicit loop
6035 to copy the macro name.
6037 * cppexp.c (cpp_lex): Convert the result of
6038 cpp_read_check_assertion to a `struct operation' directly;
6039 don't go through parse_number.
6041 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6043 * loop.h (struct induction): Delete times_used member.
6044 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
6045 (n_times_used): Rename to n_times_set. Changed all users.
6046 (scan_loop): Free reg_single_usage before strength reduction.
6047 (record_giv, combine_givs): Remove handling of times_used member.
6048 (combine_givs_used_once): Rename to:
6049 (combine_givs_used_by_other) . Changed all callers.
6051 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
6053 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
6054 instead of TREE_CODE_CLASS == 't'.
6055 (gen_type_die): Likewise.
6056 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
6058 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
6060 * real.c (endian): Disable last change unless
6061 HOST_BITS_PER_WIDE_INT is greater than 32.
6063 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
6065 * output.h (force_data_section): New prototype.
6066 * varasm.c (force_data_section): New function to force the
6067 data section, regardless of what in_section thinks.
6068 * dwarf2out.c (output_call_frame_info): Call force_data_section
6069 since varasm may not realize we've changes sections.
6071 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
6073 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
6074 after completing reload.
6076 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
6077 deleted after reload.
6079 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
6081 * rtl.h (multiple_sets): Fix prototype.
6082 * rtlanal.c (multiple_sets): Fix return type.
6084 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
6086 * version.c: Bump for snapshot.
6088 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
6090 * version.c: Bump for snapshot.
6092 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
6094 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
6096 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6098 * rtl.h (recompute_reg_usage): Add second argument.
6099 * flow.c (recompute_reg_usage): Likewise.
6100 * toplev.c (rest_of_compilation): Supply second argument to
6101 recompute_reg_usage.
6103 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
6106 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
6108 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
6109 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
6110 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
6113 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
6115 * rtlanal.c (multiple_sets): New function.
6116 * rtl.h (multiple_sets): Declare it.
6117 * local-alloc.c (wipe_dead_reg): Use it.
6118 * global.c (global_conflicts): Likewise.
6120 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
6122 * global.c (record_conflicts): Don't use an array of shorts to
6123 store an array of ints.
6124 (global_conflicts): Likewise.
6126 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
6128 * alpha.c (alpha_expand_block_move): mode_for_size expects
6129 bits, not bytes. Infer extra alignment from addressof.
6131 1998-12-11 Michael Meissner <meissner@cygnus.com>
6133 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
6134 .sbss section, not .sdata.
6136 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
6138 * cccp.c: Do not #include <sys/stat.h> here; this is already done
6140 * collect2.c: Likewise.
6141 * cpplib.h: Likewise.
6144 * getpwd.c: Likewise.
6145 * protoize.c: Likewise.
6146 * toplev.c: Likewise.
6148 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
6149 and don't try to define it here.
6150 * Makefile.in (cppmain.o): Depend on machmode.h.
6151 (cpplib.o): Likewise.
6152 (cpperror.o): Likewise.
6153 (cppexp.o): Likewise.
6154 (cppfiles.o): Likewise.
6155 (cpphash.o): Likewise.
6156 (cppalloc.o): Likewise.
6157 (fix-header.o): Likewise.
6158 (scan-decls.o): Likewise.
6160 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
6162 * sh.c (print_operand): Lookup interrupt_handler attribute instead
6163 of relying on static variable.
6164 * (calc_live_regs): Likewise.
6165 * (sh_pragma_insert_attributes): Create interrupt_handler
6166 attribute if a pragma was specified.
6167 * (sh_valid_machine_decl_attribute): Don't set static flag.
6168 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
6170 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6172 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
6173 to determine if a register is live at a jump destination.
6174 Everything is dead at a BARRIER.
6176 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
6178 * cse.c (simplify_unary_operation): Sign-extend constants when
6179 they have the most significant bit set for the target.
6180 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
6182 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
6183 HOST_WIDE_INT temporary before negating it.
6184 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
6186 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
6188 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
6191 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6193 * collect2.h: New header file for prototypes.
6195 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
6197 * collect2.c: Include collect2.h.
6198 * tlink.c: Likewise.
6200 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
6202 * flow.c: Update some comments.
6204 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
6206 * objc/objc-act.c (cpp_initialized): Removed.
6207 (lang_init_options): Initialize cpplib.
6208 (lang_decode_option): Move initialization of cpplib to
6210 * c-lang.c (parse_options,parse_in): Added.
6211 (lang_init_options): Initialized cpplib here.
6212 * c-decl.c (parse_options,cpp_initialized): Removed.
6213 (c_decode_option): Move initialization of cpplib to
6216 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6218 * reload1.c (reload_combine, reload_combine_note_store):
6219 Make STORE_RUID always valid.
6220 (reload_combine): Check if BASE is clobbered too early.
6222 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
6224 * reload.c (find_reloads): Display the insn that cannot be
6227 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
6229 * cccp.c (create_definition): Fix end of buffer logic.
6231 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6233 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
6234 pointer parameters changed to use the PARAMS() macro.
6236 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
6238 * except.h (struct handler_info): Add handler_number field.
6239 * except.c (gen_exception_label): EH labels no longer need to be
6240 on the permanent obstack.
6241 (get_new_handler): Set the label number field.
6242 (output_exception_table_entry): Regenerate handler label reference
6243 from the label number field.
6244 (init_eh): Remove a blank line.
6245 * integrate.c (get_label_from_map): Labels no longer need to be
6246 on the permanent obstack.
6248 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
6250 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
6251 only when OUTER_CODE is SET.
6253 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6255 * loop.c (strength_reduce): If scan_start points to the loop exit
6256 test, be wary of subversive use of gotos inside expression statements.
6257 Don't set maybe_multiple for a backward jump that does not
6258 include the label under consideration into its range.
6259 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
6261 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6263 * explow.c (plus_constant_wide): Don't immediately return with
6264 result of recursive call.
6266 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
6268 * eh-common.h (struct eh_context): Add table_index for rethrows.
6270 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
6271 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
6272 processed when inlined or unrolled (ie duplicated in some way).
6274 * rtl.c (reg_note_name): Add strings for new reg_note enums.
6276 * expr.h (rethrow_libfunc): New library decl.
6278 * optabs.c (rethrow_libfunc): Initialize.
6280 * except.h (struct eh_entry): Add new field 'rethrow_label'.
6281 (new_eh_region_entry): No longer exported from except.c.
6282 (duplicate_handlers): Renamed to duplicate_eh_handlers and
6283 different prototype.
6284 (rethrow_symbol_map, rethrow_used): New exported functions.
6285 (eh_region_from_symbol): New exported function.
6287 * except.c (create_rethrow_ref): New function to create a single
6288 SYMBOL_REF for a rethrow region.
6289 (push_eh_entry): Initialize a rethrow ref.
6290 (func_eh_entry): Add a rethrow_label field.
6291 (new_eh_region_entry): Make static, and initialize the rethrow entry.
6292 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
6293 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
6294 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
6295 a region into an appropriate new symbol.
6296 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
6297 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
6298 (end_catch_handler): Emit a barrier for new-exceptions since
6299 control can never drop through the end of a catch block.
6300 (expand_end_all_catch): new-exceptions never fall through a catch
6302 (expand_rethrow): Use __rethrow routine for new exceptions.
6303 (output_exception_table_entry): Generate rethrow labels, if needed.
6304 (output_exception_table): Generate start and end rethrow labels.
6305 (init_eh): Create rethrow symbols for beginning and end of table.
6306 (scan_region): Don't eliminate EH regions which are the targets of
6309 * flow.c (make_edges): Add different edges for rethrow calls,
6310 identified by having the REG_EH_RETHROW reg label.
6311 (delete_unreachable_blocks): Don't delete regions markers which are
6312 the target of a rethrow.
6314 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
6315 allow save_for_inline_copying to call duplicate_eh_handlers.
6316 (save_for_inline_copying): Call duplicate_eh_handlers instead of
6317 exposing internal details of exception regions.
6318 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
6319 (expand_inline_function_eh_labelmap): New callback routine to
6320 allow expand_inline_function to call duplicate_eh_handlers.
6321 (expand_inline_function): Call duplicate_eh_handlers instead of
6322 exposing internal details of exception regions.
6323 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
6326 * libgcc2.c (find_exception_handler): Generalize to enable it to
6327 pick up processing where it left off last time for a rethrow.
6328 (__unwinding_cleanup): New function. debug hook which is called before
6329 unwinding when __throw finds there is nothing but cleanups left.
6330 (throw_helper): Common parts of __throw extracted out for reuse.
6331 (__throw): Common parts moved to throw_helper.
6332 (__rethrow): New function for performing rethrows.
6334 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
6336 * reload1.c (current_function_decl): Tweak declaration.
6338 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
6340 * c-decl.c (flag_isoc9x): Default off.
6341 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
6342 * cccp.c (print_help, main): Likewise.
6343 * gcc.c (default_compilers): Update for -std=gnu*.
6345 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
6347 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
6348 * demangle.h: Deleted.
6350 * reload1.c (current_function_decl): Declare.
6352 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6354 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
6356 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6358 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
6360 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
6362 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
6364 * configure: Rebuilt.
6365 * system.h: If the *_unlocked functions are available use them
6366 instead of the locked counterparts by defining macros.
6367 * config.in: Regenerated.
6369 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
6371 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
6372 wrong and should only be used for dump related things, not
6373 debugging information, instead main_input_filename should be used.
6374 Also, reuse output_file_directive if possible.
6375 * i386/aix386ng.h (ASM_FILE_START): Likewise.
6376 * i386/isc.h (ASM_FILE_START): Likewise.
6377 * i386/win-nt.h (ASM_FILE_START): Likewise.
6378 * i386/sun386.h (ASM_FILE_START): Likewise.
6380 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
6382 * configure.in (mips*-*-linux*): Handle big and little endian
6384 * configure: Rebuilt.
6386 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
6388 * emit-rtl.c: Fix typo.
6390 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
6392 * reload1.c (eliminate_regs): Don't do anything, if we're not
6395 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
6397 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
6399 * mips/mips.c (mips_select_section): Add comment.
6401 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
6403 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
6404 characters in file names in #line to be consistent with #include
6405 handling. We support escape processing in the # 1 "..." version of
6406 the command. See also support in cp/lex.c.
6407 (handle_directive): Likewise.
6408 (do_line): Likewise.
6410 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
6412 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
6413 so it'll work on non-ASCII platforms. Always consider $ an
6414 identifier character. Take no arguments.
6415 (cpp_reader_init): Call initialize_char_syntax with no
6417 (cpp_start_read): Don't call initialize_char_syntax again.
6418 Clear is_idchar['$'] and is_idstart['$'] if not
6419 opts->dollars_in_ident.
6421 * cpplib.h (struct cpp_reader): Replace void *data element by
6422 cpp_options *opts. Rearrange elements to make gdb printout
6423 less annoying (put buffer stack at end).
6424 (CPP_OPTIONS): Get rid of now-unnecessary cast.
6426 * cppmain.c: s/data/opts/ when initializing cpp_reader
6428 * c-decl.c: Likewise.
6429 * objc/objc-act.c: Likewise.
6430 * fix-header.c: Likewise.
6432 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
6434 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
6435 with a struct file_name_list pointer.
6436 (struct cpp_reader): Add pointer to chain of `actual
6437 directory' include searchpath entries.
6438 (struct file_name_list): Add *alloc pointer for the sake of
6439 the actual-directory chain.
6441 Move definition of HOST_WIDE_INT here.
6442 (cpp_parse_escape): Change prototype to match changes in
6445 * cppfiles.c (actual_directory): New function.
6446 (finclude): Use it to initialize the buffer's actual_dir
6448 (find_include_file): We don't need to fix up max_include_len
6451 * cpplib.c (do_include): Don't allocate a file_name_list on
6452 the fly for current directory "" includes, use the one that's
6453 been preallocated in pfile->buffer->actual_dir. Hoist out
6454 duplicate code from the search_start selection logic.
6455 (cpp_reader_init): Initialize pfile->actual_dirs.
6457 Remove definition of HOST_WIDE_INT. Change calls
6458 to cpp_parse_escape to match changes in cppexp.c (note
6459 hardcoded MASK, which is safe since this is the source
6462 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
6463 to handle wide character constants in #if directives. The
6464 function now returns a HOST_WIDE_INT, and takes a third
6465 argument which is a binary mask for all legal values (0x00ff
6466 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
6467 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
6468 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
6470 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
6472 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
6474 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6476 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
6477 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
6478 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
6480 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
6482 * final.c (output_asm_name): Use tabs to separate comments from
6485 Include instruction lengths (if defined) in output.
6487 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6489 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
6490 in the loop_info structure.
6492 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
6494 * configure.in (arm*-*-ecos-elf): New target.
6495 * configure: Regenerated.
6496 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
6497 * config/arm/ecos-elf.h: New file.
6498 * config/arm/unknown-elf.h (TARGET_VERSION): Check
6501 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6503 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
6505 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
6507 * version.c: Bump for snapshot.
6509 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6511 * loop.c (check_dbra_loop): New argument loop_info. Update fields
6514 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
6516 * version.c: Bump for snapshot.
6518 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6520 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
6521 compressed reports are ok and preferred over URLs
6523 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6525 * invoke.texi (Warning Options): Soften the tone of -pedantic
6527 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
6529 * print-rtl.c (print_rtx): Add prototype.
6531 * unroll.c (iteration_info): Make it static.
6533 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
6535 * alias.c (memrefs_conflict_p): A second ANDed address
6536 disables the aligned address optimization.
6538 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
6540 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
6543 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
6545 * i960.h (BOOL_TYPE_SIZE): Define.
6547 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6549 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
6550 from old valid_parallel_operands_4.
6551 (valid_parallel_operands_4): Check that operands for 4 operand
6552 parallel insns are valid, excluding load/store insns.
6553 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
6554 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
6555 valid_parallel_load_store instead of valid_parallel_operands_4.
6556 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
6557 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
6558 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
6559 *notqi_movqi_clobber): Use valid_parallel_operands_4.
6560 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
6561 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
6562 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
6564 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6566 * config/c4x/c4x.c (iteration_info): Delete extern.
6568 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6570 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
6572 * final.c (cleanup_subreg_operands): Delete some unused code.
6574 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
6575 (struct insn_alternative): New structure definition.
6576 (recog_op_alt): Declare variable.
6577 (preprocess_constraints): Declare function.
6578 * recog.c (recog_op_alt): New variable.
6579 (extract_insn): Verify number of alternatives is in range.
6580 (preprocess_constraints): New function.
6581 * reg-stack.c: Include recog.h.
6582 (constrain_asm_operands): Delete.
6583 (get_asm_operand_lengths): Delete.
6584 (get_asm_operand_n_inputs): New function.
6585 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
6586 N_OUTPUTS args. All callers changed.
6587 Compute number of inputs and outputs here by calling
6588 get_asm_operand_n_inputs.
6589 Instead of constrain_asm_operands, call extract_insn,
6590 constrain_operands and preprocess_constraints. Use information
6591 computed by these functions throughout.
6592 (record_reg_life): Delete code that is unused due to changes in
6593 record_asm_reg_life.
6594 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
6595 N_INPUTS and N_OUTPUTS args. All callers changed.
6596 Similar changes as in record_asm_reg_life.
6597 (subst_stack_regs): Move n_operands declaration into the if statement
6599 Delete code that is unused due to changes in subst_asm_stack_regs.
6600 * stmt.c (expand_asm_operands): Verify number of alternatives is in
6602 * Makefile.in (reg-stack.o): Depend on recog.h.
6604 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
6606 * except.c (set_exception_version_code): Argument is an "int".
6608 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
6610 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
6611 * configure: Rebuilt.
6613 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
6615 * configure.in (mipsel-*-linux*): New target.
6616 * mips/linux.h: New file, based on other Linux targets.
6618 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
6620 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
6621 runs in the context of the deleter, not the deletee, so we must
6622 use taskVarGet to find the correct memory to free.
6623 (__gthread_key_create): Initialize the task
6624 variable subsystem so that the task variable is still active when
6625 the delete hook is run.
6627 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
6629 * pdp11.h: Use optimize_size for space optimizations.
6630 * pdp11.c: Likewise.
6631 * pdp11.md: Likewise.
6633 * pdp11.h (TARGET_40_PLUS): Fix typo.
6635 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
6637 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
6640 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6642 * alias.c (addr_side_effect_eval): New function.
6643 (memrefs_conflict_p): Use it.
6644 * rtl.h (addr_side_effect_eval): Prototype it.
6646 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
6648 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
6650 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
6652 * reload.c (find_reloads): When force const to memory, put result
6653 in substed_operand not *recog_operand_loc.
6655 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
6657 * c-lex.c: Fix indentation from last patch.
6658 Remove trailing whitespace.
6661 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
6663 * flow.c (delete_block): Call set_last_insn after we have reset
6664 NEXT_INSN (kept_tail).
6666 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
6668 * mips.md (trap_if): Use "$0" for the value zero.
6670 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
6671 Stephen L Moshier <moshier@world.std.com>
6672 Richard Henderson <rth@cygnus.com>
6674 * c-common.c (declare_function_name): Declare predefined variable
6677 * c-decl.c (flag_isoc9x): Set to 1 by default.
6678 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
6679 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
6681 * c-parse.in: Allow constructors in ISO C 9x.
6682 Rewrite designator list handling.
6683 Allow [*] parameters.
6684 Don't warn about comma at end of enum definition for ISO C 9x.
6686 * cccp.c (c9x): New variable.
6687 (rest_extension): New variable.
6688 (print_help): Document new -std= option.
6689 (main): Recognize -std= option. Set c9x appropriately.
6690 (create_definition): Recognize ISO C 9x vararg macros.
6692 * gcc.c (default_compilers): Adjust specs for -std options.
6693 (option_map): Add --std.
6694 (display_help): Document -std.
6696 * toplev.c (documented_lang_options): Add -std and remove
6699 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
6700 or REAL_VALUE_HTOF based on base of the constants.
6701 * fold-const.c (real_hex_to_f): New function. Replacement function
6702 for hex FP conversion if REAL_ARITHMETIC is not defined.
6703 * real.c (asctoeg): Add handling of hex FP constants.
6704 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
6707 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
6709 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
6710 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
6711 expansion. Use hi/lo as destination register.
6713 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
6714 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
6715 Avoid as macro expansion. Use hi/lo as destination register.
6717 * mips.h (MASK_CHECK_RANGE_DIV): New.
6718 (MASK_NO_CHECK_ZERO_DIV): New.
6719 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
6720 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
6721 return address for leaf functions out of r31 to support
6722 builtin_return_address.
6724 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6726 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
6727 NEXT_INSN(x) to check insn x.
6729 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
6731 * flow.c (delete_block): Call set_last_insn if we end up deleting the
6732 last insn in the rtl chain.
6734 * reload1.c (reload): Do not set reload_completed or split insns
6736 * toplev.c (rest_of_compilation): Set reload_completed after
6737 reload returns. Split insns after reload_cse has run.
6739 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
6741 * final.c (final_scan_insn): Abort if block_depth falls below 0.
6743 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
6745 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
6747 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
6749 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
6750 use of user-label_prefix.
6752 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6754 * reload1.c (emit_reload_insns): Clear spill_reg_store
6755 when doing a new non-inherited reload from the same pseudo.
6757 * local-alloc.c (function_invariant_p): New function.
6758 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
6759 to decide if an equivalence should be recorded.
6760 * reload1.c (num_eliminable_invariants): New static variable.
6761 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
6762 to decide if an equivalence should be recorded.
6764 (calculate_needs_all_insns): Skip insns that only set an equivalence.
6765 Take num_eliminable_invariants into account when deciding
6766 if register elimination should be done.
6767 (reload_as_needed): Take num_eliminable_invariants into account
6768 when deciding if register elimination should be done.
6769 (eliminate_regs): Handle non-constant reg_equiv_constant.
6770 * rtl.h (function_invariant_p): Declare.
6772 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
6774 * version.c: Bump for snapshot.
6776 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
6778 * version.c: Bump for snapshot.
6780 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
6782 * except.c (add_new_handler): Complain about additional handlers
6783 after one that catches everything.
6785 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
6787 * configure.in (alpha*-*-netbsd): Fix typo.
6788 * configure: Rebuilt.
6790 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6792 * system.h: Include libiberty.h.
6794 * c-aux-info.c: Remove prototypes for concat/concat3. Change
6795 function `concat' from fixed parameters to variable parameters,
6796 as is done in libiberty. All callers of concat/concat3
6797 changed to use the new `concat' with variable args.
6799 * cccp.c: Remove things made redundant by libiberty.h and/or
6800 conform to libiberty standards.
6802 * collect2.c: Likewise.
6803 * config/1750a/1750a.h: Likewise.
6804 * cppalloc.c: Likewise.
6805 * cppexp.c: Likewise.
6806 * cppfiles.c: Likewise.
6807 * cpphash.c: Likewise.
6808 * cpplib.c: Likewise.
6809 * dyn-string.c: Likewise.
6810 * fix-header.c: Likewise.
6813 * genattr.c: Likewise.
6814 * genattrtab.c: Likewise.
6815 * gencheck.c: Likewise.
6816 * gencodes.c: Likewise.
6817 * genconfig.c: Likewise.
6818 * genemit.c: Likewise.
6819 * genextract.c: Likewise.
6820 * genflags.c: Likewise.
6821 * gengenrtl.c: Likewise.
6822 * genopinit.c: Likewise.
6823 * genoutput.c: Likewise.
6824 * genpeep.c: Likewise.
6825 * genrecog.c: Likewise.
6826 * getpwd.c: Likewise.
6827 * halfpic.c: Likewise.
6829 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
6830 in NEED_DECLARATION_* macros.
6832 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
6833 conform to libiberty standards.
6834 (fatal): Fix const-ification of variable `format' in
6835 !ANSI_PROTOTYPES case.
6837 * prefix.c: Remove things made redundant by libiberty.h and/or
6838 conform to libiberty standards.
6840 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
6841 conflicting with function `spaces' from libiberty.
6843 * profile.c: Remove things made redundant by libiberty.h and/or
6844 conform to libiberty standards.
6845 * protoize.c: Likewise.
6848 * tlink.c: Likewise.
6849 * toplev.c: Likewise.
6850 * toplev.h: Likewise.
6853 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6855 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
6857 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6859 * README.C4X: Updated URLs.
6860 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
6861 (valid_parallel_operands_5): Remove unused variable.
6863 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6865 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
6867 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
6869 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
6870 which can be configured.
6871 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
6872 (Makefile): Pass actual LANGUAGES through the environment when
6874 (cstamp-h): Likewise.
6875 (config.status): Likewise.
6877 * configure.in (enable_languages): Add new configuration parameter
6878 "--enable-languages=lang1,lang2,...".
6879 (${srcdir}/*/config-lang.in): Change handling to configure only
6880 those directories, that the user might have enabled; default to
6881 "all" existing languages.
6882 * configure: Regenerate.
6884 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
6886 * rtlanal.c (regs_set_between_p): New function.
6887 * rtl.h (regs_set_between_p): Prototype it.
6888 * jump.c (jump_optimize): Use it instead of modified_between_p
6889 in the Sep 2 change.
6891 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
6892 Matthias Pfaller <leo@dachau.marco.de>
6894 * invoke.texi (Option Summary, NS32K Options): Add description
6895 of NS32K specific options.
6897 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
6898 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
6899 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
6900 negdf2, absdf2): Use l instead of f since the double class and
6901 float class are no longer the same.
6902 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
6903 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
6904 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
6905 Use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
6907 (cmpsi, cmphi, cmpqi): Use general_operand instead of
6908 non_immediate_operand. Removes erroneous assumption that can't
6910 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
6911 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
6913 (movstrsi, movstrsi1, movstrsi2): Completely new block move
6915 (...): Patterns to exploit multiply-add instructions.
6916 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
6917 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): New
6918 patterns to exploit extended divide insns.
6919 (udivsi3, udivhi3, udivqi3): Remove since superseded by udivmodsi
6922 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
6923 float return values as well as simple scalar floats.
6924 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
6925 Support new flag to denote 32381 fpu.
6926 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
6927 (CONDITIONAL_REGISTER_USAGE): Disable extra 32381 registers if not
6928 compiling for 32381.
6929 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
6930 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
6931 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
6932 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
6933 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
6934 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
6935 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
6936 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
6937 REG_OK_FOR_BASE_P, MEM_REG): New register scheme to include 32381
6938 fpu registers and special register classes for new 32381
6939 instructions dotf and polyf.
6940 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
6942 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
6943 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
6945 (SMALL_REGISTER_CLASSES): Make dependent on -mmult-add option.
6946 (MOVE_RATIO): Set to zero because of smart movstrsi implementation.
6947 (REGISTER_MOVE_COST): Move code to register_move_cost function for
6948 ease of coding and debugging.
6949 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
6950 LONG_FLOAT_REGO is likely spilled but not caught by default
6952 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): Use macro
6953 instead of hard coded numbers in range check.
6954 (ASM_OUTPUT_LABELREF_AS_INT): Delete since unused.
6955 (...): Add prototypes for functions in ns32k.c but disable because
6956 of problems when ns32k.h is included in machine independent files.
6958 * ns32k.c: Include "system.h", "tree.h", "expr.h", "flags.h".
6959 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
6960 hard_regno_mode_ok, secondary_reload_class,
6961 print_operand, print_operand_address): New register scheme to
6962 include 32381 fpu registers and special register classes for new
6963 32381 instructions dotf and polyf.
6964 (gen_indexed_expr): Make static to keep namespace clean.
6965 (check_reg): Remove since never called.
6966 (move_tail, expand_block_move): Helper functions for "movstrsi"
6968 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
6969 Increase cost of moves which go via memory.
6970 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
6971 (CPP_PREDEFINES): No longer predefine "unix".
6973 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
6974 Remove erroneous %$. print_operand() can work out from the rtx is
6975 an immediate prefix is required.
6977 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
6978 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
6979 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
6981 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
6984 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
6985 Correct handling of pic operands.
6986 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
6987 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
6988 -mrtd calling convention.
6990 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
6992 * gcc.c (option_map): Recognize --output-class-directory.
6994 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6996 * loop.h (precondition_loop_p): Added new mode argument.
6997 * unroll.c (precondition_loop_p): Likewise.
6998 (approx_final_value): Function deleted and subsumed
6999 into loop_iterations.
7000 (loop_find_equiv_value): New function.
7001 (loop_iterations): Use loop_find_equiv_value to find increments
7002 too large to be immediate constants. Also use it to find terms
7003 common to initial and final iteration values that can be removed.
7005 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7007 * loop.h (struct loop_info): Define new structure.
7008 (precondition_loop_p): Added prototype.
7009 (unroll_loop): Added new argument loop_info to prototype.
7010 (final_biv_value, final_giv_value): Added new argument n_iterations
7012 * loop.c (strength_reduce): Declare new structure loop_iteration_info
7013 and new pointer loop_info.
7014 (loop_n_iterations): Replace global variable by element in
7015 loop_info structure.
7016 (check_final_value): New argument n_iterations.
7017 (insert_bct): New argument loop_info.
7018 (loop_unroll_factor): Replace global array by element in
7019 loop_info structure.
7020 (loop_optimize): Remove code to allocate and initialize
7021 loop_unroll_factor_array.
7022 * unroll.c (precondition_loop_p): No longer static since
7023 used by branch on count optimization.
7024 (precondition_loop_p, unroll_loop): New argument loop_info.
7025 (final_biv_value, final_giv_value, find_splittable_regs): New
7026 argument n_iterations.
7027 (loop_iteration_var, loop_initial_value, loop_increment,
7028 loop_final_value, loop_comparison_code, loop_unroll_factor):
7029 Replaced global variables by loop_info structure.
7030 (loop_unroll_factor): Replace global array by element in
7031 loop_info structure.
7033 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7035 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
7038 * unroll.c (precondition_loop_p): Return loop_initial_value
7039 for initial_value instead of loop_iteration_var.
7041 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7043 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
7044 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
7045 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
7046 to output the instruction sequences.
7048 (rptb_top): Provide alternatives to use any register or memory
7050 (rptb_end): Emit use of operands rather than assigning them
7051 explicitly to the RS and RE registers.
7053 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7055 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
7056 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
7057 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
7058 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
7059 c4x_merge_notes, c4x_parallel_process,
7060 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
7061 c4x_combine_parallel): Delete.
7063 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7065 * config/c4x/c4x.c (c4x_override_options): For compatibility
7066 with old target options clear flag_branch_on_count_reg if
7067 -mno-rptb specified and set flag_argument_alias is -mno-aliases
7069 (c4x_output_cbranch): Handle a sequence of insns rather than a
7071 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
7072 has not been allocated as the loop counter.
7073 (c4x_address_conflict): Do not allow two volatile memory references.
7074 (valid_parallel_operands_4, valid_parallel_operands_5,
7075 valid_parallel_operands_6): Reject pattern if the register destination
7076 of the first set is used as part of an address in the second set.
7078 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7080 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
7081 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
7082 is no longer enabled if PARALLEL_MPY_FLAG set.
7083 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
7084 (REG_CLASS_CONTENTS): Add braces around initializers.
7085 (HAVE_MULTIPLE_PACK): Define.
7086 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
7087 REAL_VALUE_TO_DECIMAL.
7088 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
7089 REAL_VALUE_TO_DECIMAL.
7090 (ar0_reg_operand): Add prototype.
7091 (ar0_mem_operand): Likewise.
7092 (ar1_reg_operand): Likewise.
7093 (ar1_mem_operand): Likewise.
7094 (ar2_reg_operand): Likewise.
7095 (ar2_mem_operand): Likewise.
7096 (ar3_reg_operand): Likewise.
7097 (ar3_mem_operand): Likewise.
7098 (ar4_reg_operand): Likewise.
7099 (ar4_mem_operand): Likewise.
7100 (ar5_reg_operand): Likewise.
7101 (ar5_mem_operand): Likewise.
7102 (ar6_reg_operand): Likewise.
7103 (ar6_mem_operand): Likewise.
7104 (ar7_reg_operand): Likewise.
7105 (ar7_mem_operand): Likewise.
7106 (ir0_reg_operand): Likewise.
7107 (ir0_mem_operand): Likewise.
7108 (ir1_reg_operand): Likewise.
7109 (ir1_mem_operand): Likewise.
7110 (group1_reg_operand): Likewise.
7111 (group1_mem_operand): Likewise.
7112 (ir1_reg_operand): Likewise.
7113 (arx_reg_operand): Likewise.
7114 (not_rc_reg): Likewise.
7115 (not_modify_reg): Likewise.
7116 (c4x_group1_reg_operand): Remove prototype.
7117 (c4x_group1_mem_operand): Likewise.
7118 (c4x_arx_reg_operand): Likewise.
7120 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
7122 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
7123 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
7125 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7127 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
7130 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7132 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
7133 unless FMOVD_WORKS is defined.
7135 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7137 * regclass.c (init_reg_sets): Move code that calculates tables
7138 dependent on reg_class_contents from here...
7139 (init_reg_sets_1): To here.
7141 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
7143 * cpplib.h: Delete struct import_file. Add ihash element to
7144 struct cpp_buffer. Delete dont_repeat_files and
7145 import_hash_table elements from cpp_reader; change
7146 all_include_files to a hash table. Delete all foobar_include
7147 / last_foobar_include elements from struct cpp_options; put
7148 back four such: quote_include, bracket_include,
7149 system_include, after_include. Redo struct file_name_list
7150 completely. Add new structure type include_hash. Add
7151 prototypes for merge_include_chains and include_hash. Change
7152 prototypes for finclude, find_include_file, and
7153 append_include_chain to match changes below.
7155 * cppfiles.c (simplify_pathname, include_hash,
7156 remap_filename, merge_include_chains): New functions.
7157 (add_import, lookup_import, open_include_file): Removed.
7158 (INO_T_EQ): Define this (copied from cccp.c).
7159 (hack_vms_include_specification): Remove all calls and #if 0
7160 out the definition. It was being called incorrectly and at
7161 the wrong times. Until a VMSie can look at this, it's better
7162 to not pretend to support it.
7163 (append_include_chain): Change calling convention; now takes
7164 only one directory at a time, and sets up the data structure
7166 (redundant_include_p): Rewritten - this is now used for all
7167 include redundancy, whether by #ifndef, #import, or #pragma
7168 once. Looks up things in the include hash table.
7169 (file_cleanup): Decrement pfile->system_include_depth here if
7171 (find_include_file): Calling convention changed; now passes
7172 around a struct include_hash instead of 3 separate parameters.
7173 Guts ripped out and replaced with new include_hash mechanism.
7174 (finclude): Calling convention changed as for
7175 find_include_file. Error exits pulled out-of-line. Reformat.
7176 (safe_read): Return a long, not an int.
7177 (deps_output): Don't recurse.
7179 * cpplib.c (is_system_include): Deleted.
7180 (path_include): Fix up call to append_include_chain.
7181 (do_include): Fix up calls to find_include_file and finclude.
7182 Clean up dependency output a bit. Shorten obnoxiously lengthy
7183 #import warning message. Don't decrement
7184 pfile->system_include_depth here.
7185 (do_pragma): Understand the include_hash structure. Reformat.
7186 (do_endif): Correct handling of control macros. Understand
7188 (cpp_start_read): Fix up calls to finclude. Call
7189 merge_include_chains.
7190 (cpp_handle_option): Fix up calls to append_include_chain.
7191 Understand the four partial include chains.
7192 (cpp_finish): Add debugging code (#if 0-ed out) for the
7194 (cpp_cleanup): Free the include_hash, not the import hash and
7195 the all_include and dont_repeat lists which no longer exist.
7197 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
7199 * toplev.c (no_new_pseudos): Define.
7200 (rest_of_compilation): Set no_new_pseudos as needed.
7201 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
7202 if no_new_pseudos is set.
7203 * rtl.h (no_new_pseudos): Declare it.
7204 * reload1.c (reload): Update comments.
7205 * md.texi: Corresponding changes.
7207 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7209 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
7210 (choose_reload_regs): Rename it here as well. When computing it,
7211 also merge in used hardregs.
7213 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
7215 * gcc.c: Split out Objective-C specs to...
7216 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
7219 * c-lex.c (init_parse): Always initialize the filename global.
7220 * objc/objc-act.c (lang_init): Always call check_newline at
7223 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
7225 * reload1.c (reload): Remove unused variable.
7226 (reload_reg_free_for_value_p): Add missing parameter definition.
7228 * jump.c (jump_optimize): Remove unused variable.
7230 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
7232 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
7234 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
7236 * expr.c (move_by_pieces): Similarly.
7237 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
7238 * flow.c (find_auto_inc): Similarly.
7239 (try_pre_increment): Similarly.
7240 * loop.c (strength_reduce): Similarly.
7241 * regclass.c (auto_inc_dec_reg_p): Similarly.
7242 * regmove.c (try_auto_increment): Similarly.
7243 (fixup_match_1): Similarly.
7244 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
7245 (HAVE_PRE_DECREMENT): Similarly.
7246 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
7247 * Corresponding changes to all target header files.
7248 * tm.texi: Update docs for autoinc addressing modes.
7250 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
7252 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
7253 * configure: Rebuild.
7254 * config/elfos.h: New file.
7255 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
7256 config/m68k/t-m68kelf: New file.
7258 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
7260 * Makefile.in (HOST_AR): Define.
7261 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
7262 (libcpp.a): Use the host tools explicitly.
7263 (STAGESTUFF): Add libcpp.a.
7265 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
7267 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
7268 to source and destination registers.
7270 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
7272 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
7273 The strategy we now use is to pre allocate the top_elt along
7274 with the EH context so that each thread has its own top_elt.
7275 This is necessary as the dynamic cleanup chain is used on the
7276 top element of the stack and each thread MUST have its own.
7277 (eh_context_static): Likewise.
7278 (new_eh_context): Likewise.
7279 (__sjthrow): Likewise.
7281 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
7283 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
7284 * i386.md (prologue_get_pc): Remove unused variable.
7286 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
7288 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
7290 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
7292 * Makefile.in (OBJS): Add graph.o.
7293 (graph.o): New dependency list.
7294 * flags.h: Declare dump_for_graph and define graph_dump_types type.
7295 * print-rtl.c (dump_for_graph): Define new variable.
7296 (print_rtx): Rewrite to allow use in graph dumping functions.
7297 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
7298 finish_graph_dump_file.
7299 Define graph_dump_format.
7300 (compile_file): If graph dumping is enabled also clear these files.
7301 Finish graph dump files.
7302 (rest_of_compilation): Also dump graph information if enabled.
7303 (main): Recognize -dv to enabled VCG based graph dumping.
7304 * graph.c: New file. Graph dumping functions.
7306 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
7308 * configure.in: Look for <sys/stat.h>.
7309 * system.h: Include it before substitute S_ISREG definitions.
7311 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
7313 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
7314 * config/mips/iris6.h: Same.
7315 * config/mips/mips.md: Same.
7316 * config/mips/mips.c: Same; also add "-mabi=o64" option.
7317 * config/mips/mips.h: Same; also define ABI_O64.
7319 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7321 * configure.in: Use AC_PREREQ(2.12.1).
7323 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
7325 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
7326 * cpplib.c, gcc.c: Likewise.
7327 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
7329 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
7331 * local-alloc.c (local_alloc): Use malloc not alloca for
7332 reg_qty, reg_offset, ref_next_in_qty.
7334 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7336 * caller-save.c (insert_one_insn): Initialize the live_before and
7337 live_after register sets.
7341 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
7342 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
7343 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
7344 (fp_reg_names, assembler_dialect): New variables.
7345 (print_operand_address): Handle SUBREGs.
7346 (print_operand): Added 'o' case.
7347 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
7348 Name of FP registers depends on mode.
7349 (expand_block_move): Emit different code for SH4 hardware.
7350 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
7351 (from_compare): Likewise.
7352 (add_constant): New argument last_value. Changed all callers.
7353 (find_barrier): Don't try HImode load for FPUL_REG.
7354 (machine_dependent_reorg): Likewise.
7355 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
7356 (gen_far_branch): Emit a barrier after the new jump.
7357 (barrier_align): Don't trust instruction lengths before
7359 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
7360 Use auto-inc addressing for fp registers if doubles need to
7361 be loaded in two steps.
7362 Set sh_flag_remove_dead_before_cse.
7363 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
7364 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
7365 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
7366 Support for FIRST_XD_REG .. LAST_XD_REG.
7367 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
7368 (sh_expand_epilogue): Likewise.
7369 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
7370 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
7371 (arith_reg_operand): FPUL_REG is OK for SH4.
7372 (fp_arith_reg_operand, fp_extended_operand) New functions.
7373 (tertiary_reload_operand, fpscr_operand): Likewise.
7374 (commutative_float_operator, noncommutative_float_operator): Likewise.
7375 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
7376 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
7377 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
7378 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
7379 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
7380 (CONDITIONAL_REGISTER_USAGE): Likewise.
7381 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
7382 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
7383 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
7384 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
7385 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
7386 to -1 and sh_flag_remove_dead_before_cse to 1.
7387 (ASSEMBLER_DIALECT): Define to assembler_dialect.
7388 (assembler_dialect, fp_reg_names): Declare.
7389 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
7390 Hide names of registers that are not accessible.
7391 (CACHE_LOG): Take TARGET_CACHE32 into account.
7392 (LOOP_ALIGN): Take TARGET_HARWARD into account.
7393 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
7394 (FIRST_PSEUDO_REGISTER: Now 49.
7395 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
7396 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
7397 (HARD_REGNO_MODE_OK): Update.
7398 (enum reg_class): Add DF_REGS and FPSCR_REGS.
7399 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
7400 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
7401 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
7402 (NPARM_REGS): Eight floating point parameter registers on SH4.
7403 (BASE_RETURN_VALUE_REG): SH4 also passes double values
7404 in floating point registers.
7405 (GET_SH_ARG_CLASS) Likewise.
7406 Complex float types are also returned in float registers.
7407 (BASE_ARG_REG): Complex float types are also passes in float registers.
7408 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
7409 (LIBCALL_VALUE): Remove trailing semicolon.
7410 (ROUND_REG): Round when double precision value is passed in floating
7412 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
7413 passed on the stack.
7414 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
7415 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
7416 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
7417 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
7418 (MODE_DISP_OK_8): Not for SH4 DFmode.
7419 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
7420 Allow indexed addressing for PSImode after reload.
7421 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
7422 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
7423 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
7424 (DOUBLE_TYPE_SIZE): 64 for SH4.
7425 (RTX_COSTS): Add PLUS case.
7426 Increase cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
7427 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
7428 MAC_REGS, PR_REGS, DF_REGS.
7429 (REGISTER_NAMES): Use fp_reg_names.
7430 (enum processor_type): Add PROCESSOR_SH4.
7431 (sh_flag_remove_dead_before_cse): Declare.
7432 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
7433 (PREDICATE_CODES): Add binary_float_operator,
7434 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
7435 fpscr_operand, noncommutative_float_operator.
7436 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
7437 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
7438 * sh.md (attribute cpu): Add value sh4.
7439 (attrbutes fmovd, issues): Define.
7440 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
7441 (function units memory, int, mpy, fp): Make dependent on issue rate.
7442 (function units issue, single_issue, load_si, load): Define.
7443 (function units load_store, fdiv, gp_fpul): Define.
7444 (attribute hit_stack): Provide proper default.
7445 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
7446 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
7447 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
7448 (mulsi3_call): Now uses match_operand for function address.
7449 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
7451 (push, pop, push_e, pop_e): Now define_expands.
7452 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
7453 (movsi_ie): Added y/i alternative.
7454 (ic_invalidate_line_i, movdf_i4): New insns.
7455 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
7456 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
7457 (movdf): Add special code for SH4.
7458 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
7459 (call_valuei, calli, call_value): Likewise.
7460 (movsf): Emit no-op move.
7461 (mov_nop, movsi_y): New insns.
7462 (blt, sge): Generalize to handle DFmode.
7463 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
7464 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
7465 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
7466 (fpu_switch0, fpu_switch1, movpsi): New expanders.
7467 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
7468 (toggle_sz): New insn.
7469 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
7470 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
7471 (macsf3): Make use of fpscr visible. Disable for SH4.
7472 (floatsisf2): Make use of fpscr visible.
7473 (floatsisf2_i4): New insn.
7474 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
7475 (ieee_ccmpeqsf_t): Likewise.
7476 (fix_truncsfsi2): Emit different code for SH4.
7477 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
7478 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
7479 (negsf2, sqrtsf2, abssf2): Now expanders.
7480 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
7481 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
7482 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
7483 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
7484 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
7485 (fix_truncdfsi2_i4_2+1): New splitters.
7486 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
7487 (extendsfdf2, truncdfsf2): New expanders.
7488 (truncdfsf2_i4): New insn.
7489 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
7490 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
7491 * float-sh.h: When testing for __SH3E__, also test for
7492 __SH4_SINGLE_ONLY__ .
7493 * va-sh.h (__va_freg): Define to float.
7494 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
7495 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
7496 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
7497 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
7499 (TARGET_SH4_P): Define.
7502 * sh.md (movdf_k, movsf_i): Tweak the condition so that
7503 init_expr_once is satisfied about the existence of load / store insns.
7505 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
7506 Change m constraint in source operand to mr / mf.
7508 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
7510 * (__VA_REEF): Define.
7511 (__va_arg_sh1): Use it.
7513 * va-sh.h (va_start, va_arg, va_copy): Add parentheses.
7515 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
7517 * i386/dgux.c (struct option): Add new "description field".
7518 * m88k/m88k.c (struct option): Likewise.
7520 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
7522 * version.c: Bump for snapshot.
7524 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7526 * regmove.c (regmove_profitable_p): Use return value of find_matches
7529 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
7531 * version.c: Bump for snapshot.
7533 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
7535 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
7536 without reload having been called earlier.
7538 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
7540 (v850_reorg): Similarly.
7542 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
7544 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7546 * loop.c (move_movables): Start of libcall might be new loop start.
7548 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7550 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
7552 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7554 * function.c (nonlocal_goto_handler_slots): Renamed from
7555 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
7556 (push_function_context_to): Adjust for this change.
7557 (pop_function_context_from): Likewise.
7558 (init_function_start): Likewise.
7559 (expand_function_end): Likewise.
7560 * function.h (struct function): Likewise.
7561 * calls.c (expand_call): Likewise.
7562 * explow.c (allocate_dynamic_stack_space): Likewise.
7563 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
7564 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
7566 (expand_goto): When doing a nonlocal goto, find corresponding handler
7567 slot for it. Don't put the label address in the static chain register.
7568 (expand_end_bindings): Break out nonlocal goto handling code into
7569 three new functions.
7570 (expand_nl_handler_label, expand_nl_goto_receiver,
7571 expand_nl_goto_receivers): New static functions, broken out of
7572 expand_end_bindings and adapted to create one handler per nonlocal
7574 * function.c (delete_handlers): Delete insn if it references any of
7575 the nonlocal goto handler slots.
7576 * i960.md (nonlocal_goto): Comment out code that modifies
7578 * sparc.md (nonlocal_goto): Likewise.
7579 (goto_handler_and_restore_v9): Comment out.
7580 (goto_handler_and_restore_v9_sp64): Comment out.
7582 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7584 * expr.c (STACK_BYTES): Delete unused macro.
7585 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
7586 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
7587 (expand_call): Likewise.
7588 (emit_library_call): Likewise.
7589 (emit_library_call_value): Likewise.
7590 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
7591 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
7592 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
7593 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
7594 (allocate_dynamic_stack_space): Likewise.
7595 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
7596 (STACK_BOUNDARY): Update description to reflect the new situation.
7598 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
7600 * reorg.c (relax_delay_slots): When optimizing for code size, if a
7601 return with a filled delay slot is followed by a return with an
7602 unfilled delay slot, delete the first return and reemit the insn
7603 that was previously in its delay slot.
7605 * i860.c (single_insn_src_p): Add missing parens.
7606 * ginclude/math-3300.h: Likewise.
7608 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
7610 * regclass.c (init_reg_sets_1): Add prototype.
7611 (init_reg_modes): Likewise.
7613 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
7615 * c-common.c: Change warning messages to say `comparison is
7616 always true' or `comparison is always false' instead of the
7617 confusing `is always 0', `is always 1'.
7619 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
7621 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
7622 break instead of return (which loses closing '>').
7624 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
7626 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
7627 standard 387 constants.
7629 * i386.md (jump): Explicitly set "memory" attribute.
7630 (indirect_jump, prologue_set_stack_ptr): Likewise.
7631 (prologue_get_pc_and_set_got, pop): Likewise.
7632 (allocate_stack_worder, blockage, return_internal): Likewise.
7633 (return_pop_internal, nop): Likewise.
7634 (epilogue_set_stack_ptr, leave): Likewise.
7636 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
7638 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
7640 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7642 * reload1.c (reload_reg_free_for_value_p):
7643 Early auto_inc reloads don't conflict with outputs.
7645 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7647 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
7648 Instead call AC_HEADER_SYS_WAIT.
7650 * collect2.c: Don't provide defaults for sys/wait.h macros.
7652 * protoize.c: Likewise. Also, don't include sys/wait.h.
7654 * system.h: Include sys/wait.h and provide macro defaults.
7656 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7658 * Makefile.in (mandir): Set to @mandir@.
7659 (man1dir): New variable to hold the former value of $(mandir).
7660 Replace all uses of $(mandir) by $(man1dir).
7662 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
7664 * reload.c (find_reloads_address_part): If have a CONST_INT, create
7665 a new one before passing it to force_const_mem.
7667 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
7668 find_reloads_address call.
7670 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7672 * expr.c (store_expr): Don't generate load-store pair
7673 if TEMP is identical (according to ==) with TARGET.
7675 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7677 * reload1.c (reload_reg_free_for_value_p): When considered reload
7678 has an output, matching inputs are not sufficient to avoid conflict.
7680 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
7682 * hash.h (hash_table_key): New type.
7683 (hash_entry): Change `string' field to generic `key'.
7684 (hash_table): Add `comp' and `hash' functions.
7685 (hash_table_init): Take them as input.
7686 (hash_table_init_n): Likewise.
7687 (hash_lookup): Modify for generic keys.
7688 (hash_newfunc): Likewise.
7689 (hash_traverse): Likewise.
7690 (string_hash): New function.
7691 (string_compare): Likewise.
7692 (string_copy): Likewise.
7693 * hash.c (hash_table_init_n): Modify for generic keys.
7694 (hash_table_init): Likewise.
7695 (hash_lookup): Likewise.
7696 (hash_newfunc): Likewise.
7697 (hash_traverse): Likewise.
7698 (string_hash): Split out from hash_lookup.
7699 (string_compare): New function.
7700 (string_copy): Split out from hash_lookup.
7701 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
7703 (symbol_hash_lookup): Likewise.
7704 (file_hash_newfunc): Likewise.
7705 (file_hash_lookup): Likewise.
7706 (demangled_hash_newfunc): Likewise.
7707 (demangled_hash_lookup): Likewise.
7708 (tlink_int): Likewise.
7709 (read_repo_file): Likewise.
7710 (recompile_files): Likewise.
7711 (demangle_new_symbols): Likewise.
7712 (scan_linker_output): Likewise.
7714 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7716 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
7718 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@gnu.org>
7720 * rs6000.c (output_mi_thunk): Improve test for local branch.
7722 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7724 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
7726 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7728 * reload1.c (reload_reg_free_before_p): Delete.
7729 Changed all callers to use reload_reg_free_for_value_p instead.
7730 (reload_reg_free_for_value_p): Handle more reload types.
7731 A RELOAD_FOR_INPUT doesn't conflict with its
7732 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
7733 Add special case for OUT == const0_rtx.
7734 Added ignore_address_reloads argument. Changed all callers.
7736 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
7738 * toplev.c (compile_file): Don't pedwarn about undefined static
7739 functions just because we passed -Wunused.
7741 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7743 * function.c (purge_addressof_1): Unshare rtl created by
7746 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7748 * regmove.c (regmove_optimize): Don't do anything but
7749 optimize_reg_copy[123] when flag_regmove is not set.
7751 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
7753 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
7754 value in paradoxical SImode result, rather than truncating midpoint.
7756 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
7758 * alpha.c (reg_not_elim_operand): New.
7759 * alpha.h (PREDICATE_CODES): Add it.
7760 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
7761 for the multiplicand.
7763 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@gnu.org>
7765 * rs6000.md (movsf): Remove explicit secondary-reload-like
7766 functionality. Only truncate SFmode store if in FPR.
7767 (movsf splitters): Combine const_double splitters.
7768 (movsf_hardfloat): Add GPR support.
7770 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
7772 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
7773 deprecate -mlive-g0 and -mbroken-saverestore.
7774 * t-splet (MULTILIB_OPTIONS): Likewise.
7776 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
7777 in a leaf function. Clarify total_size/extra_size relationship.
7779 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
7781 * i386/cygwin32.asm: Delete.
7782 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
7783 * i386/cygwin32.h: Delete.
7784 * i386/cygwin.h: New file, renamed from cygwin32.h.
7785 * i386/t-cygwin32: Delete.
7786 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
7787 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
7788 * i386/x-cygwin32: Delete.
7789 * i386/x-cygwin: New file, renamed from x-cygwin32.
7790 * i386/xm-cygwin32: Delete.
7791 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
7792 renamed cygwin_ funcs for path translations.
7793 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
7794 * i386/winnt.c: Remove "32" from comment about cygwin.
7795 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
7796 * rs6000/cygwin32.h: Delete.
7797 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
7798 -D__CYGWIN__ to CPP_PREDEFINES.
7799 * rs6000/x-cygwin32: Delete.
7800 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
7801 * rs6000/xm-cygwin32: Delete.
7802 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
7804 * configure.in: Check for cygwin* instead of cygwin32. Account
7805 for the rename of cygwin-related config files to lose the "32"s.
7806 * configure: Regenerate.
7808 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
7809 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
7811 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
7813 * Makefile.in (JAVAGC): New macro.
7814 * configure: Rebuilt.
7815 * configure.in: Recognize --enable-java-gc argument. Subst
7818 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7820 Handle equivalences that have been obscured by gcse:
7822 * reload1.c (reload): Handle equivalences set up in multiple places.
7823 * local-alloc.c (reg_equiv_init_insns): New variable.
7824 (no_equiv): New function.
7825 (update_equiv_regs): Handle equivalences set up in multiple places.
7826 Don't ignore an insn just because its destination is likely to be
7829 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
7831 * except.c (expand_eh_return): Readd force_operand call lost in
7834 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@gnu.org>
7836 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
7838 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7840 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
7842 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7844 * regmove.c (regmove_optimize): Fix error in last change.
7846 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
7848 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
7849 offset in the .mask pseudo to compensate for frame pointer adjustments.
7850 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
7851 word swap arguments moved to/from FP registers.
7852 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
7854 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
7856 * version.c: Bump for snapshot.
7858 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
7860 * version.c: Bump for snapshot.
7862 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
7864 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
7865 times, then it can not be completely replaced.
7867 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
7869 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
7871 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7873 * gansidecl.h: Prepend a "G" to the macro wrapping this file
7874 (to distinguish it from the macro wrapping ansidecl.h.)
7875 Include libiberty's ansidecl.h. Remove all redundant definitions.
7876 Define the PROTO() style macros in terms of the PARAMS() ones.
7879 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
7880 __STDC__, when deciding whether to use ANSI variable args.
7881 (emit_library_call_value): Likewise.
7883 * cccp.c (error): Likewise.
7884 (warning): Likewise.
7885 (error_with_line): Likewise.
7886 (warning_with_line): Likewise.
7887 (pedwarn): Likewise.
7888 (pedwarn_with_line): Likewise.
7889 (pedwarn_with_file_and_line): Likewise.
7892 * cexp.y (error): Likewise.
7893 (pedwarn): Likewise.
7894 (warning): Likewise.
7896 * collect2.c (fatal_perror): Likewise.
7900 * combine.c (gen_rtx_combine): Likewise.
7902 * cpperror.c (cpp_message): Likewise.
7903 (cpp_fatal): Likewise.
7905 * cpplib.c (cpp_error): Likewise.
7906 (cpp_warning): Likewise.
7907 (cpp_pedwarn): Likewise.
7908 (cpp_error_with_line): Likewise.
7909 (cpp_warning_with_line): Likewise.
7910 (cpp_pedwarn_with_line): Likewise.
7911 (cpp_pedwarn_with_file_and_line): Likewise.
7913 * cpplib.h: Don't define PARAMS() macro.
7915 * demangle.h: Likewise.
7917 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
7918 when deciding whether to use ANSI variable args.
7920 * emit-rtl.c (gen_rtx): Likewise.
7921 (gen_rtvec): Likewise.
7923 * final.c (asm_fprintf): Likewise.
7925 * fix-header.c (cpp_message): Likewise.
7927 (cpp_fatal): Likewise.
7929 * gcc.c (concat): Likewise.
7933 * genattr.c (fatal): Likewise.
7935 * genattrtab.c (attr_rtx): Likewise.
7936 (attr_printf): Likewise.
7939 * gencodes.c (fatal): Likewise.
7941 * genconfig.c (fatal): Likewise.
7943 * genemit.c (fatal): Likewise.
7945 * genextract.c (fatal): Likewise.
7947 * genflags.c (fatal): Likewise.
7949 * genopinit.c (fatal): Likewise.
7951 * genoutput.c (fatal): Likewise.
7954 * genpeep.c (fatal): Likewise.
7956 * genrecog.c (fatal): Likewise.
7958 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
7959 deciding whether to declare `tree_node' and `rtx_def'.
7961 * hash.h: Don't define stuff we get from gansidecl.h.
7963 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
7964 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
7965 whether to use ANSI variable args.
7968 * prefix.c (concat): Likewise.
7972 * system.h: Likewise.
7974 * toplev.c (error_with_file_and_line): Likewise.
7975 (error_with_decl): Likewise.
7976 (error_for_asm): Likewise.
7979 (warning_with_file_and_line): Likewise.
7980 (warning_with_decl): Likewise.
7981 (warning_for_asm): Likewise.
7982 (warning): Likewise.
7983 (pedwarn): Likewise.
7984 (pedwarn_with_decl): Likewise.
7985 (pedwarn_with_file_and_line): Likewise.
7987 (really_sorry): Likewise.
7989 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
7990 whether to declare `tree_node' and `rtx_def'.
7992 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
7993 deciding whether to use ANSI variable args.
7994 (build_nt): Likewise.
7995 (build_parse_node): Likewise.
7997 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
7999 * version.c: Bump for snapshot.
8001 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8003 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
8005 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@gnu.org>
8007 * collect2.c (main, case 'b'): Use else if.
8009 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8011 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
8012 Arrange to include gansidecl.h in {ht}config.h & tm.h just
8013 before the config/ directory headers.
8014 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
8015 gansidecl.h in the list of dependencies.
8017 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
8018 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
8019 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
8020 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
8021 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
8022 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
8025 * cccp.c: Don't include gansidecl.h.
8027 * collect2.c: Likewise.
8028 * config/c4x/c4x.c: Likewise.
8029 * config/v850/v850.h: Likewise.
8030 * cppalloc.c: Likewise.
8031 * cpperror.c: Likewise.
8032 * cppexp.c: Likewise.
8033 * cppfiles.c: Likewise.
8034 * cpphash.c: Likewise.
8035 * cpplib.c: Likewise.
8036 * cppmain.c: Likewise.
8037 * cppulp.c: Likewise.
8038 * demangle.h: Likewise.
8039 * doprint.c: Likewise.
8040 * dyn-string.c: Likewise.
8041 * eh-common.h: Likewise.
8042 * fix-header.c: Likewise.
8043 * frame.c: Likewise.
8046 * gen-protos.c: Likewise.
8047 * gencheck.c: Likewise.
8048 * halfpic.h: Likewise.
8050 * machmode.h: Likewise.
8051 * mbchar.c: Likewise.
8052 * prefix.c: Likewise.
8053 * protoize.c: Likewise.
8054 * recog.h: Likewise.
8056 * scan-decls.c: Likewise.
8058 * varray.h: Likewise.
8060 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
8062 * i386.md (call_value_pop): If we're not popping anything,
8063 defer to call_value.
8064 (call_pop): Likewise defer to call.
8066 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
8068 * function.c (purge_addressof): Clear purge_addressof_replacements
8069 only after processing the whole function.
8071 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
8073 * reload1.c (reload): If we can not perform a particular elimination
8074 when we thought we could earlier, then we must always iterate through
8075 the loop at least one more time.
8077 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
8079 * alpha.c (add_operand): Simplify the CONST_INT match.
8080 (sext_add_operand): Correct typo in comparison by using
8081 CONST_OK_FOR_LETTER_P.
8082 * alpha.md (s?addq): Use sext_add_operand to allow the negative
8083 constant alternatives to be generated.
8084 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
8085 small constants, since the hw instructions do.
8087 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8089 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
8090 previous insn to store directly into our reload register, make sure
8091 that if the source of the previous insn is a reload register, its
8092 spill_reg_store and spill_reg_stored_to values are cleared.
8094 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@gnu.org>
8096 * rs6000.md (floatunssidf2_internal splitter): Use base register
8097 operand, not hard-coded SP.
8099 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8101 * jump.c (calculate_can_reach_end): Fix thinko.
8103 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
8105 * reorg.c (fill_simple_delay_slots): Fix typo.
8107 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
8109 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
8111 * i386.md (extendsidi2): Use # in the output template.
8112 (extendsidi splitters): New splitters.
8114 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
8116 * configure.in: Use unknown-elf.h as tm_file for arm-elf
8118 * configure: Regenerate.
8120 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8122 * jump.c (init_label_info, delete_barrier_successors,
8123 mark_all_labels, delete_unreferenced_labels,
8124 delete_noop_moves, calculate_can_reach_end): New functions broken
8125 out of jump_optimize.
8126 (jump_optimize): Use them.
8128 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
8130 * except.c (expand_fixup_region_end): Make sure outer context labels
8131 are not issued in an inner context during cleanups.
8133 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
8135 * alpha.md (addsi3, subsi3): No new temporaries once cse is
8138 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
8140 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
8141 to expose this midpoint to CSE.
8143 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8145 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
8147 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8149 * configure.in: Bring over gcc2 change of Nov 19 1997.
8151 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
8153 * toplev.c (output_lang_identify): Make definition dependent on
8154 ASM_IDENTIFY_LANGUAGE.
8156 * print-rtl.c (spaces): Make static.
8158 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
8160 * extend.texi: Clarify proper uses for register clobbers in asms.
8162 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8164 * recog.h (enum op_type): Define.
8165 (constrain_operands): Adjust prototype.
8166 (recog_op_type): Declare new variable.
8167 * recog.c (recog_op_type): New variable.
8168 (insn_invalid_p): Allow modifying an asm statement after reload.
8169 (extract_insn): Set up recog_op_type.
8170 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
8171 Don't compute operand types, use recog_op_type.
8172 Use the information computed by extract_insn instead of the previous
8173 method of finding it by insn code number.
8174 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
8175 * reorg.c (fill_slots_from_thread): Likewise.
8176 * reload1.c (reload_as_needed): Likewise.
8177 (gen_reload): Likewise.
8178 (inc_for_reload): Likewise.
8179 (reload_cse_simplify_operands): Likewise.
8180 Use the information computed by extract_insn instead of the previous
8181 method of finding it by insn code number.
8182 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
8184 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
8185 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
8186 Use the information computed by extract_insn instead of the previous
8187 method of finding it by insn code number.
8188 * regmove.c (find_matches): Likewise. Change meaning of the return
8189 value to be nonzero if the optimization can be performed, zero if
8190 not. All callers changed.
8191 Shorten some variable names to fix formatting problems.
8192 (regmove_optimize): Shorten some variable names to fix formatting
8194 Use the information computed by extract_insn instead of the previous
8195 method of finding it by insn code number.
8196 * regclass.c (scan_one_insn): Likewise.
8197 (record_reg_classes): Don't compute operand types, use recog_op_type.
8198 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
8199 recog_constraints instead.
8201 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
8203 * rtl.h (flow2_completed): Declare.
8204 * flow.c (flow2_completed): Definition.
8205 * toplev.c (rest_of_compilation): Set and clear flow2_completed
8208 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
8210 * Makefile.in (libcpp.a): Ranlib libcpp.a.
8212 * cppulp.c (user_label_prefix): Initialize.
8214 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
8216 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
8217 at a RETURN if current_function_sp_is_unchanging is set.
8219 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8221 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
8223 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
8225 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
8226 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
8227 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
8228 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
8229 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
8230 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
8232 (LIB_SPEC): Handle -mno-cygwin option.
8233 (LINK_SPEC): Handle -mdll.
8235 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8237 * reload.c (find_reloads): Fix test for usage by other reload
8238 to handle secondary reloads properly.
8240 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8242 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
8243 intermediate structure which has exactly the members provided by
8244 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
8245 static intermediate structure.
8247 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
8248 from the intermediate structure. Do the same analogous fix in
8249 the case where ELIMINABLE_REGS is not defined.
8251 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
8253 * pa.h (SELECT_SECTION): Fix thinko.
8255 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
8257 * dwarf2out.c (output_call_frame_info): Comments on last change.
8259 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
8261 * arm.c (add_constant): When taking the address of an item in the
8262 pool, get the mode of the item addressed.
8264 * arm.c (final_prescan_insn case INSN): If an insn doesn't
8265 contain a SET or a PARALLEL, don't consider it for conditional
8268 Restore ABI compatibility for NetBSD.
8269 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
8271 (RETURN_IN_MEMORY): Likewise.
8273 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
8275 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
8276 (m32r_output_block_move): Rewrite bytes < 4 handling.
8278 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8280 * configure.in: Call AC_FUNC_VFORK.
8282 * collect2.c: Define VFORK_STRING as a printable string for
8283 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
8284 defined, include vfork.h. If VMS is defined, define vfork()
8285 appropriately. Remove vfork check on USG, we're using autoconf.
8286 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
8287 checking locally what string to pass.
8288 (scan_prog_file): Likewise.
8289 (scan_libraries): Likewise.
8291 * gcc.c: Remove vfork check on USG, we're using autoconf.
8292 Besides, no calls to vfork/fork occur in this file.
8294 * protoize.c: Likewise.
8296 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8298 * configure.in (DEFAULT_LINKER): Renamed from LD.
8299 (DEFAULT_ASSEMBLER): Renamed from AS; reverted Schwab's patch.
8300 (gcc_cv_as): Try $DEFAULT_ASSEMBLER before $AS.
8301 * configure: Rebuilt.
8303 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8305 * BUGS: Fix the regexp for `more' to find the appropriate node.
8306 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
8308 * BUGS: Added link to the WWW FAQ.
8310 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
8312 * version.c: Bump for snapshot.
8314 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
8316 * From Christian Gafton:
8317 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
8318 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
8319 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
8321 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
8323 * c-common.c (c_get_alias_set): Allow all type-punning through
8324 unions. Don't get confused about the type of a bit-field, despite
8325 the antics of build_modify_expr.
8327 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
8329 * fixinc.sco: Parameterize #include_next values.
8330 * fixinc/fixinc.sco: Likewise.
8332 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
8334 * toplev.c (rest_of_compilation): No longer set reload_completed.
8335 * reload1.c (reload): Set it here. Perform instruction splitting
8336 after reload has completed if we will be running the scheduler
8339 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
8341 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
8342 EH region if exceptions are enabled and we're performing cross
8344 (find_cross_jump): Exit loop if the insns are in different EH regions.
8346 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
8348 * dwarf2out.c (output_call_frame_info): Use
8349 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
8351 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8353 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
8354 * c-common.c (check_format_info): Don't check for the 'x'
8355 format character twice, instead check for 'x' and 'X'
8357 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
8359 * configure.in (assembler features): Also make gas is configured if
8360 we find it in the source tree.
8362 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
8364 * i386.c (i386_comp_type_attributes): Compare whether the
8365 attributes are defined, not their tree nodes.
8367 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8369 * configure.in (gxx_include_dir): Bitten by autoconf quoting
8371 * configure: Rebuilt.
8373 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8375 * configure.in: Ignore non-absolute value in $AS.
8377 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
8379 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
8381 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
8383 * configure.in (msdosdjgpp): Set exeext and target_alias.
8385 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8387 * flow.c (XNMALLOC): New macro.
8388 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
8390 (add_edge, add_edge_to_label): New static functions.
8391 (free_bb_memory): New function.
8392 (flow_delete_insn): Delete function.
8393 (basic_block_drops_in): Delete variable.
8394 (find_basic_blocks): Allocate and initialize basic_block_head,
8395 basic_block_succ. Don't allocate basic_block_drops_in.
8396 Call free_bb_memory at the beginning.
8397 (find_basic_blocks_1): Don't do multiple passes.
8398 Delete code to compute basic_block_drops_in.
8399 After calling make_edges, mark blocks reached by current block live.
8400 Update test for unreachable live blocks.
8401 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
8403 Simplify to call add_edge_to_label when a LABEL_REF is found.
8404 (make_edges): Simplify to call add_edge_to_label instead of
8405 mark_label_ref most of the time.
8406 Compute here whether control drops into the next block.
8407 (delete_unreachable_blocks): Return void. All callers changed.
8408 Delete unreachable blocks in reverse order.
8409 After deleting all unreachable blocks, renumber the remaining ones
8410 and update n_basic_blocks.
8411 (delete_block): Speed up deletion a bit.
8412 Don't set basic_block_drops_in for deleted blocks.
8413 (free_basic_block_vars): Don't free basic_block_drops_in.
8414 (life_analysis_1): Update to use new edge representation.
8415 (dump_flow_info): Delete code to print basic block info; call
8416 dump_bb_data instead.
8417 (compute_preds_succs): Delete code to recompute basic_block_drops_in
8418 and uid_block_number.
8419 Simply copy the previously computed cfg.
8420 (dump_bb_data): New arg LIVE_INFO. All callers changed.
8421 Print register lifetime information if LIVE_INFO is nonzero.
8422 * basic-block.h (dump_bb_data): Adjust prototype.
8423 * gcse.c (gcse_main): Update call to dump_bb_data.
8424 * rtl.h (free_bb_memory): Declare.
8425 * toplev.c (rest_of_compilation): Call free_bb_memory.
8427 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
8428 (update_eliminable_offsets): Don't compute it.
8429 (set_initial_elim_offsets): Don't initialize it.
8430 Break out some code into set_initial_label_offsets so the rest of
8431 this function can be called from reload_as_needed.
8432 Assume that INITIAL_FRAME_POINTER_OFFSET is defined when
8433 ELIMINABLE_REGS isn't.
8434 (set_initial_label_offsets): New function, broken out of
8435 set_initial_elim_offsets.
8436 (set_offsets_for_label): New function, broken out of set_label_offsets
8437 and reload_as_needed.
8438 (reload): Call the two new functions.
8439 (reload_as_needed): Call set_initial_elim_offsets instead of
8440 duplicating the code. Likewise for set_offsets_for_label.
8442 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
8443 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
8444 any hard reg, reg_reloaded_dead contains valid data.
8446 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
8448 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
8449 "stdcall" and "cdecl" attributes.
8451 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
8453 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
8454 handle deleted no-op moves of hard registers.
8455 * haifa-sched.c (update_flow_info): Likewise.
8457 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
8459 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
8460 of the sequences to reload the HILO register which do not actually
8463 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
8465 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
8467 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
8469 * except.c (emit_eh_context): Make the EH context register stay alive
8470 at -O0 so stupid.c doesn't get confused.
8472 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8474 * emit-rtl.c (try_split): Do not try to split a BARRIER.
8476 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
8477 Jeffrey A Law (law@cygnus.com)
8479 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM.
8480 (zero_extendsidi2): Use # in output template and handle completely by
8482 (zero_extend splitters): New define_splits.
8483 (ashiftrt_32): New pattern.
8485 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
8487 * tree.c (append_random_chars): New fn.
8488 (get_file_function_name_long): Use it.
8490 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
8492 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
8493 (LIBCPP_OBJS): New. Add cppulp.o.
8494 (cppmain, fix-header): Depend on and use libcpp.a.
8495 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
8496 of the individual object files.
8497 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
8500 * cccp.c (user_label_prefix): New.
8501 (main): Set it off -f*leading-underscore.
8502 (special_symbol): Use it.
8503 * cpplib.c (special_symbol): Likewise.
8504 (cpp_handle_option): Handle -f*leading-underscore.
8505 * cppulp.c: New file.
8507 * output.h (user_label_prefix): Declare it.
8508 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
8509 * toplev.c (f_options, main): Handle -f*leading-underscore.
8511 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
8512 referencing USER_LABEL_PREFIX directly.
8513 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
8514 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
8515 * final.c (asm_fprintf): Use user_label_prefix instead.
8516 * arm/thumb.c (thumb_print_operand): Likewise.
8518 * gcc.c (default_compilers): Pass -f*leading-underscore on to
8519 cpp wherever appropriate.
8521 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
8523 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
8524 specific compiler switches.
8526 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
8528 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
8531 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8533 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
8534 structure which has exactly the members provided by EXTRA_SPECS.
8535 Xmalloc() the real `extra_specs', and initialize it from this
8536 intermediate structure.
8538 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
8540 * mips.h (EXTRA_SPECS): Likewise.
8542 * sparc.h (EXTRA_SPECS): Likewise.
8544 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8546 * function.c (purge_addressof_1): Instead of aborting when a
8547 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
8548 work just put the ADDRESSOF on stack. Otherwise remember all such
8549 successful replacements, so that exactly the same replacements
8550 can be made on the REG_NOTEs. Remove the special case for CALL
8552 (purge_addressof_replacements): New variable.
8553 (purge_addressof): Clear it at end.
8555 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
8557 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
8558 (lang_init): Call check_newline always.
8559 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
8560 cpp_start_read, set yy_cur and yy_lim to read from
8561 parse_in.token_buffer, so that we'll see the first #line
8563 * cpplib.c (cpp_start_read): finclude the main input file
8564 before processing -include/-imacros. Process -imacros and
8565 -include separately, and handle -include by stacking a
8566 buffer for the file in question as if it'd been #included.
8567 * toplev.c (documented_lang_options) Recognize -H when
8570 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
8572 * cpplib.c: Merge do_once into do_pragma. Break file handling
8573 code out of do_include.
8574 Move append_include_chain, deps_output,
8575 file_cleanup, redundant_include_p, import_hash,
8576 lookup_import, add_import, read_filename_string, read_name_map,
8577 open_include_file, finclude, safe_read to cppfiles.c.
8578 Move prototypes for deps_output, append_include_chain,
8579 finclude to cpplib.h. Move definition of struct
8580 file_name_list there also.
8582 * cppfiles.c: New file. Contains all the above functions
8583 broken out of cpplib.c; also hack_vms_include_specification
8584 from cccp.c and find_include_file, a new function broken out of
8587 * Makefile.in (cppmain): Depend on cppfiles.o.
8588 (fix-header): Likewise.
8589 (cppfiles.o): New target.
8590 * configure.in (--enable-c-cpplib): Add cppfiles.o to
8591 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
8593 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
8595 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
8596 if pending_types is non-zero.
8597 (dwarfout_finish): Verify pending_types is zero before finishing.
8599 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
8601 * expr.c (convert_move): Use shifts to perform the move if a
8602 suitable extend pattern cannot be found. Code written by
8603 Richard Henderson <rth@cygnus.com>.
8605 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8607 * regclass.c (renumber, regno_allocated): New static variables, moved
8608 out of allocate_reg_info.
8609 (allocate_reg_info): Move these two variables outside the function.
8610 Move code to free memory into new function free_reg_info.
8611 (free_reg_info): New function, broken out of allocate_reg_info.
8612 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
8613 * rtl.h (allocate_reg_info): Don't declare.
8614 (free_reg_info): Declare.
8616 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
8618 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
8620 * toplev.c (compile_file): Temporarily revert last change.
8622 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
8624 * c-typeck.c (convert_for_assignment): Parenthesize.
8626 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8628 * reload1.c (delete_output_reload): Avoid ambigous else.
8630 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
8632 * toplev.c (compile_file): Call allocate_reg_info to free register
8634 * rtl.h (allocate_reg_info): Declare.
8636 * PROJECTS: Remove entry for local spilling.
8638 * final.c (cleanup_subreg_operands): New function.
8639 (final_scan_insn): Use it.
8640 (alter_subreg): Clear the "used" field when we turn a SUBREG into
8642 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
8643 operands when reload has finished.
8644 * reload.h (cleanup_subreg_operands): Declare..
8645 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
8646 reload. Handled in reload itself.
8648 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8650 * reload1.c (verify_initial_offsets): New function.
8651 (reload): Call it after reload_as_needed. Also verify that the frame
8652 size stays constant during reload_as_needed.
8653 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
8655 * reload.h (struct insn_chain): Add need_operand_change element.
8656 * reload1.c (new_insn_chain): Clear it.
8657 (calculate_needs_all_insns): Set it; don't overload need_reload.
8658 (reload_as_needed): Use it.
8660 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
8661 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
8662 and reload_address_index_reg_class.
8663 (find_reloads_address_1): Likewise.
8664 * reload.h (reload_address_base_reg_class,
8665 reload_address_index_reg_class): Don't declare.
8666 * reload1.c (reg_old_renumber, pseudo_previous_regs,
8667 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
8668 (used_spill_regs): Now static.
8669 (reload_address_base_reg_class, reload_address_index_reg_class,
8670 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
8671 basic_block_needs, max_needs, group_size, group_mode, max_groups,
8672 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
8675 (init_reload): Delete code to compute base/index reg classes.
8676 (reload): Delete variable J.
8677 Delete code to manage basic_block_needs.
8678 Don't compute regs_explicitly_used.
8679 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
8680 pseudo_previous_regs.
8681 Initialize bad_spill_regs_global.
8682 Don't call order_regs_for_reload here.
8683 Don't initialize spill_reg_order and n_spills.
8684 Don't forbid explicitly used regs to be used for spill regs.
8685 Change main loop to infinite loop, with explicit break statements.
8686 Make SOMETHING_CHANGED variable local to that loop.
8687 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
8688 max_groups_insn, max_nongroups_insn, group_size, group_mode.
8689 Make sure spilled_pseudos is cleared before calling spill_hard_reg or
8691 Don't call dump_needs.
8692 Delete code to reset potential_reload_regs.
8693 Delete code to terminate loop conditional on the global needs variables
8694 showing no further needs.
8695 (calculate_needs_all_insns): Return void. All callers changed.
8696 Initialize something_needs_elimination here, not in reload.
8697 Delete avoid_return_reg kludge.
8698 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
8699 All callers changed.
8700 Initialize the group_mode and group_size elements of the arg CHAIN.
8701 Delete code to manage basic_block_needs.
8702 Operate on elements of CHAIN instead of global variables.
8703 Delete avoid_return_reg kludge.
8704 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
8705 All callers changed.
8706 Operate on elements of CHAIN instead of global variables.
8707 Delete special SMALL_REGISTER_CLASSES code.
8708 Delete spill_failure code; now in new_spill_reg.
8709 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
8710 All callers changed.
8711 Operate on elements of CHAIN instead of global variables.
8712 (maybe_mark_pseudo_spilled): New static function.
8713 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
8714 All callers changed.
8715 Operate on elements of CHAIN instead of global variables.
8716 Call order_regs_for_reload here, not in reload.
8717 Initialize spill_reg_order and n_spills.
8718 Simplify test whether an asm insn is involved.
8719 Delete spill_failure code; now in new_spill_reg.
8720 Call maybe_mark_pseudo_spilled for everything marked as live in
8721 CHAIN. Merge CHAIN's used_spill_regs into the global variable
8723 (dump_needs): Take CHAIN arg. No longer static, to prevent the
8724 compiler from optimizing this function (now unused) away.
8725 Operate on elements of CHAIN instead of global variables.
8726 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
8728 Operate on elements of CHAIN instead of global variables.
8729 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
8730 take CHAIN arg. All callers changed.
8731 Operate on elements of CHAIN instead of global variables.
8732 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
8733 CHAIN, NONGROUP args. Return void. All callers changed.
8734 Verify caller isn't trying to spill a pseudo.
8735 Simplify test for illegal reg, just use bad_spill_regs.
8736 Generate better error messages.
8737 Operate on elements of CHAIN instead of global variables.
8738 Mark spilled register in CHAIN's used_spill_regs element.
8739 Don't call spill_hard_reg.
8740 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
8741 Mark spilled hard regs in bad_spill_regs_global.
8742 Mark affected pseudos in spilled_pseudos, but don't spill them.
8743 (ior_hard_reg_set): New static function.
8744 (finish_spills): Return int. All callers changed.
8745 Compute spill_reg_order, n_spills and spill_regs here. Also update
8746 regs_ever_live for regs used as spills.
8747 For every pseudo in spilled_pseudos, spill it and mark the previous
8748 hard reg it had in pseudo_previous_regs. Compute which hard regs
8749 are used as spills in insns during which it is live, and retry global
8750 register allocation. Update all life information in the
8751 reload_insn_chain not to include pseudos without hard regs.
8752 Call alter_reg for all affected speudos.
8754 (scan_paradoxical_subregs): Disable SMALL_REGISTER_CLASSES special
8755 case, it's not clear what it's supposed to do.
8757 (hard_reg_use_compare): Take bad_spill_regs into account.
8758 (pseudos_counted): New static variable.
8759 (count_pseudo): New static function.
8760 (order_regs_for_reload): Take CHAIN arg. All callers changed.
8761 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
8762 hard registers explicitly used across the current insn into the set.
8763 Compute hard_reg_n_uses taking only pseudos live across this insn
8765 Tweak sorting of potential_reload_regs.
8766 (compare_spill_regs): Delete function.
8767 (reload_as_needed): Don't sort the spill_regs array, it's computed
8768 in proper order in finish_spills.
8769 Delete avoid_return_reg kludge.
8770 Delete code to manage basic_block_needs.
8771 (allocate_reload_reg): Minor speed/readability tweaks.
8772 Operate on elements of CHAIN instead of global variables.
8773 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
8774 Delete avoid_return_reg kludge.
8775 Initialize reload_reg_used from CHAIN's used_spill_regs element.
8776 Delete unused label FAIL.
8777 (reload_combine): Replace reload_address_index_reg_class with
8779 Don't use used_spill_regs to determine information about lifetime of
8782 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
8784 * toplev.c (display_help): Ignore empty target specific
8785 options, and if -W is also specified on the command line then
8786 display undocumented options.
8788 * config/arm/arm.c: Updated with changes in devo sources.
8789 * config/arm/arm.h: Updated with changes in devo sources.
8790 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
8791 * config/arm/lib1thumb.asm: Add ELF support.
8793 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@gnu.org>
8795 * collect2.c (aix64_flag): New variable.
8796 (main, case 'b'): Parse it.
8797 (GCC_CHECK_HDR): Object magic number must match mode.
8798 (scan_prog_file): Only check for shared object if valid header.
8799 Print debugging if header/mode mismatch.
8801 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
8803 Added support for arm-elf-linux configuration, submitted by Philip
8804 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
8805 code developed by Catherine Moore <clm@cygnus.com>. The following
8808 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
8811 * configure: Regenerated.
8813 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
8814 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
8815 definitions conditional on their not having been already defined.
8817 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
8818 and .type directives, and add "(PLT)" qualification to function
8821 * config/arm/linux.h: Deleted. This file is now superseded by
8822 either linux-elf.h or linux-aout.h.
8824 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
8825 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
8827 Move definitions from old linux.h file here.
8829 * config/arm/elf.h: New file. Generic ARM/ELF support.
8831 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
8833 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
8835 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
8836 using the 26bit APCS.
8838 * config/arm/unknown-elf.h: New file. Support for OS'es other
8839 than Linux with ELF.
8841 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
8844 * config/arm/coff.h: Include aout.h for basic assembler macros.
8845 Add support for -mstructure_size_boundary=<n> command line option.
8847 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
8848 command line option. Make macro definitions conditional on their
8849 not having been already defined.
8851 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
8852 command line option.
8855 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
8857 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
8858 has been changed to not include a newline. Use this macro instead.
8859 (output_enumeral_list, const_value_attribute, name_attribute,
8860 comp_dir_attribute, prototyped_attribute, producer_attribute,
8861 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
8862 dwarfout_file_scope_decl, generate_new_sfname_entry,
8863 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
8864 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
8866 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
8868 * combine.c (subst): Process the inputs to a parallel asm_operands
8871 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
8873 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
8875 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
8877 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
8879 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
8881 * version.c: Bump for snapshot.
8883 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
8885 * stmt.c (expand_fixup): Set fixup->before_jump to a
8886 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
8888 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8890 * Makefile.in (recog.o): Depend on toplev.h.
8891 (insn-emit.o): Depend on recog.h.
8892 (insn-peep.o): Depend on recog.h and insn-config.h.
8894 * combine.c (simplify_set): Remove unused variable `scratches'.
8896 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
8897 and `idx' in macro conditional controlling their use.
8899 * genemit.c (main): Make the generated output file include
8900 recog.h. Don't have it declare `insn_operand_constraint', since
8901 we get it from recog.h.
8903 * genpeep.c (main): Make the generated output file include
8904 insn-config.h and recog.h.
8906 * recog.c: Include toplev.h.
8907 (extract_insn): Remove unused variable `p'.
8909 * regclass.c (fix_register): Add missing braces around initializer
8911 (allocate_reg_info): Move variable `i' into the scope where it is
8912 used. Change its type to `size_t'.
8914 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8916 * reload.c (push_reload): When merging reloads, make sure
8917 that reload_in_reg and reload_in are from the same reload in
8920 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
8922 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
8923 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
8925 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@gnu.org>
8927 * loop.c (loop_has_tablejump): New variable.
8928 (prescan_loop): Scan for it.
8929 (insert_bct): Replace explicit scan with use of it.
8930 * regclass.c (regclass): Restore loop variable j.
8931 (record_reg_classes): Deterine op_types modifiers and initialize
8932 classes[i] before matching constraints. Handle matching
8935 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
8937 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
8940 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8942 * mips.h (EXTRA_SPECS): Add missing initializers.
8944 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8946 * sparc.h (EXTRA_SPECS): Add missing initializers.
8947 (sparc_defer_case_vector): Provide a prototype.
8949 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
8950 comparing it to the result of a pointer subtraction.
8952 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8954 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
8955 the argument to (unsigned char).
8957 * alpha.h (EXTRA_SPECS): Add missing initializers.
8958 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
8961 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
8963 * flow.c (life_analysis_1): Enable "rescan" code after reload.
8964 (propagate_block): Delete dead code after reload.
8966 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
8967 back Oct 15, 1998 change.
8968 * haifa-sched.c (update_flow_info): Likewise.
8969 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
8971 * mn10200.md (truncated shift): Accept constant inputs too.
8973 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
8975 * machmode.h (mode_mask_array): No longer const.
8976 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
8978 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8980 * frame.c: Somewhat explain `FDE'.
8981 Suggested by Brendan Kehoe
8983 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
8985 * expr.c (pending_chain): Move up.
8986 (save_expr_status): Do save pending_chain.
8987 (restore_expr_status): And restore it.
8988 * function.h (struct function): Add pending_chain.
8990 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8992 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
8993 did not match the code.
8995 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8997 * regclass.c (regclass): Break out some code into new function
8998 scan_one_insn, and into regclass_init.
8999 (init_cost): New static variable, moved out of regclass.
9000 (regclass_init): Initialize it here, not in .
9001 (scan_one_insn): New static function, broken out of regclass.
9002 * recog.c (apply_change_group): Break out some code into new
9003 function insn_invalid_p.
9004 (insn_invalid_p): New static fn, broken out of apply_change_group.
9006 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
9008 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
9009 reg_reloaded_contents matches incremented pseudo.
9011 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
9013 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9015 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
9016 addressing modes with side effects. These are currently
9017 placeholders for the C4x target.
9019 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9021 * loop.c (express_from): Make sure that when generating a PLUS of
9022 a PLUS, any constant expression appears on the outermost PLUS.
9024 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
9026 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
9027 works if "$(srcdir)" != ".".
9029 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
9031 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
9032 existing SUBREG if we can, otherwise abort.
9034 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
9036 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
9037 `restrict' is applied to a non-pointer variable.
9039 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
9041 * invoke.texi: Document -flang-isoc9x.
9043 * Makefile.in (OBJS): Add splay-tree.o.
9044 (c-common.o): Depend on rtl.h.
9045 (splay-tree.o): List dependencies and provide build rule.
9047 * rtl.h (record_alias_subset): New function.
9048 * alias.c: Include splay-tree.h.
9049 (alias_set_entry): New type.
9050 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
9051 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
9052 (mems_in_disjoin_alias_sets_p): New function.
9053 (alias_set_compare): Likewise.
9054 (insert_subset_children): Likewise.
9055 (get_alias_set_entry): Likewise.
9057 * tree.h (TYPE_RESTRICT): New macro.
9058 (TYPE_UNQUALIFIED): New manifest constant.
9059 (TYPE_QUAL_CONST): Likewise.
9060 (TYPE_QUAL_VOLATILE): Likewise.
9061 (TYPE_QUAL_RESTRICT): Likewise.
9062 (tree_type): Add restrict_flag. Reduce count of free bits.
9063 (DECL_POINTER_ALIAS_SET): New macro.
9064 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
9065 (tree_decl): Add pointer_alias_set.
9066 (build_qualified_type): New function.
9067 (build_type_variant): Define in terms of build_qualified_type.
9068 * tree.c (set_type_quals): New function.
9069 (make_node): Initialize DECL_POINTER_ALIAS_SET.
9070 (build_type_attribute_variant): Use build_qualified_type and
9072 (build_type_variant): Rename, and modify, to become...
9073 (build_qualified_type): New function.
9074 (build_complex_type): Use set_type_quals.
9076 * c-tree.h (C_TYPE_OBJECT_P): New macro.
9077 (C_TYPE_FUNCTION_P): Likewise.
9078 (C_TYPE_INCOMPLETE_P): Likewise.
9079 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
9080 (c_apply_type_quals_to_decl): New function.
9081 (c_build_qualified_type): New function.
9082 (c_build_type_variant): Define in terms of c_build_qualified_type.
9083 (flag_isoc9x): Declare.
9084 * c-typeck.c (qualify_type): Use c_build_qualified_type.
9085 (common_type): Change to use TYPE_QUALS.
9086 (comptypes): Likewise.
9087 (convert_for_assignment): Likewise.
9088 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
9089 * c-decl.c (flag_isoc9x): Define.
9090 (c_decode_option): Handle -flang-isoc9x.
9091 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
9092 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
9093 * c-lex.c (init_lex): Deal with restrict.
9094 (init_lex): Don't treat restrict as a reserved word in
9095 -traditional mode, or without -flang-isoc9x.
9096 * c-lex.h (rid): Add RID_RESTRICT.
9097 * c-parse.gperf (restrict, __restrict, __restrict__): Make
9098 equivalent to RID_RESTRICT.
9099 * c-parse.in (TYPE_QUAL): Update comment.
9100 * c-common.c: Include rtl.h.
9101 (c_find_base_decl): New function.
9102 (c_build_type_variant): Rename, and modify, to become ...
9103 (c_build_qualified_type): New function.
9104 (c_apply_type_quals_to_decl): Likewise.
9105 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
9106 a particular alias set for the reference.
9107 * toplev.c (documented_lang_options): Add -flang-isoc9x.
9109 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
9111 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
9112 command line switches.
9114 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
9116 * reload.c (loc_mentioned_in_p): Add missing braces to bind
9119 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
9121 * gcc.c (option_map): Added --classpath and --CLASSPATH.
9123 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
9125 * regclass.c (fix_register): Add error message.
9126 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
9129 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9131 * c-decl.c (warn_missing_noreturn): New global variable.
9132 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
9133 (finish_function): Implement missing noreturn warning.
9135 * c-tree.h (warn_missing_noreturn): Declare extern.
9137 * invoke.texi: Document new flags.
9139 * toplev.c (documented_lang_options): Add description.
9141 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9143 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
9144 loop optimization stable for the C4x.
9145 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
9146 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
9147 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superseded by BCT
9149 (c4x_address_conflict): Be more paranoid when packing a volatile
9150 memref in a parallel load/store.
9152 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9154 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
9155 repeat_block_filler): Deleted.
9156 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
9157 Condition code not set if destination register from 'c' class.
9158 (*subbqi3_carry_clobber): Fix typo.
9160 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9162 * reorg.c (steal_delay_list_from_target) Check for insns that
9163 modify the condition codes and effect the direction of the jump
9166 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
9168 * function.c (purge_addressof_1): Replace call to
9169 emit_insns_before() with emit_insn_before().
9171 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
9173 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
9175 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9177 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
9179 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
9181 * gcse.c (compute_hash_table): Correctly identify hard regs which are
9182 clobbered across calls.
9184 * loop.c (scan_loop): Be more selective about what invariants are
9185 moved out of a loop.
9187 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
9189 * version.c: Bump for snapshot.
9191 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
9193 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
9194 static eh_context structure.
9196 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9198 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
9200 (try_combine): Don't update max_scratch.
9201 * flow.c (max_scratch, num_scratch): Delete variables.
9202 (life_analysis_1): Don't initialize max_scratch.
9203 (propagate_block): Don't update max_scratch.
9204 (mark_set_1): Don't increment num_scratch.
9205 * regs.h (max_scratch): Delete declaration.
9207 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
9209 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
9210 is nonzero. This is temporary!
9212 * sched.c (update_flow_info): Handle death notes made invalid by
9213 instruction splitting. Partially reverts Oct 15, 1998 patch.
9214 * haifa-sched.c (update_flow_info): Likewise.
9216 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
9218 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
9219 if it has a nonzero DECL_INITIAL.
9221 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9223 * Makefile.in (flow.o): Depend on recog.h.
9225 * cpplib.h (directive_table): Add missing initializiers.
9226 (finclude): Change type of variable `bsize' to size_t.
9228 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
9230 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
9232 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
9233 `int' when comparing against one.
9234 (cpp_file_line_for_message): Mark parameter `pfile' with
9236 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
9238 * flow.c: Include recog.h.
9239 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
9241 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
9242 `f' with ATTRIBUTE_UNUSED.
9243 (reposition_prologue_and_epilogue_notes): Likewise.
9245 * genopinit.c (gen_insn): Cast argument of ctype functions to
9248 * haifa-sched.c: Include recog.h.
9249 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
9250 comparing against one.
9252 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
9254 * mips-tfile.c (parse_end): Cast the argument of ctype function to
9256 (parse_ent): Likewise.
9257 (parse_input): Likewise.
9259 * optabs.c (init_libfuncs): Likewise.
9261 * protoize.c (find_rightmost_formals_list): Likewise.
9263 * recog.h (const_double_operand): Fix typo in prototype.
9265 * tlink.c (scan_linker_output): Cast the argument of ctype
9266 function to `unsigned char'.
9268 * toplev.c (check_lang_option): Cast the result of `strlen' to
9269 `int' when comparing against one.
9271 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
9273 * gcse.c (dump_cuid_table): Correct typo.
9275 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
9277 * toplev.c (display_help): Prepend '-m' to target specific
9279 (check_lang_option): Ignore text after end of first word of a
9280 language specific option.
9282 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9284 * reload1.c (reg_used_by_pseudo): New static variable.
9285 (choose_reload_regs): Initialize it.
9286 Use it instead of testing spill_reg_order to determine whether a
9287 pseudo is live in a hard register across the current insn.
9288 Fix a typo in a reference to reload_reg_rtx.
9290 * flow.c (propagate_block): Replace code that computes and uses
9291 regs_sometimes_live with simpler code that just walks the set of
9292 currently live registers.
9294 * Makefile.in (insn-extract.o): Fix dependencies.
9295 * genextract.c (main): Generate includes for insn-config.h and
9297 Delete generation of declarations which are now in recog.h.
9298 * genrecog.c (main): Delete generation of definitions which are
9300 * local-alloc.c (block_alloc): Use extract_insn and the variables
9301 it sets up instead of looking up values by insn_code.
9302 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
9303 recog_dup_num): Define here instead of generating the definition in
9305 (recog_n_operands, recog_n_dups, recog_n_alternatives,
9306 recog_operand_mode, recog_constraints, recog_operand_address_p):
9308 (extract_insn): New function.
9309 * recog.h (extract_insn): Declare function.
9310 (which_alternative, recog_n_operands, recog_n_dups,
9311 recog_n_alternatives, recog_operand_mode, recog_constraints,
9312 recog_operand_address_p): Declare variables.
9313 * regclass.c (n_occurrences): New static function.
9314 * reload.c (n_occurrences): Delete function.
9315 (find_reloads): Use extract_insn.
9316 * reload.h (n_occurrences): Delete declaration.
9318 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
9320 * reload1.c (reload_as_needed): Fix test for when to call
9321 update_eliminable_offsets.
9323 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9325 Fix consistency problems with reg_equiv_{mem,address};
9326 Improve reload inheritance;
9328 * reload.c (reload_out_reg): New variable.
9329 (loc_mentioned_in_p, remove_address_replacements): New functions.
9330 (remove_replacements): Deleted.
9331 (push_reload): Set reload_out_reg[i].
9332 When merging, also set reload_{in,out}_reg[i], and remove
9333 duplicate address reloads.
9334 (combine_reloads): Copy reload_out_reg[i].
9335 (find_reloads): Do make_memloc substitution also when
9336 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
9338 Include *recog_operand_loc in commutativity operand changes.
9339 Generate optional output reloads.
9340 Delete reference to n_memlocs. Don't set *recog_operand_loc before
9341 processing operands. Call make_memloc in reg_equiv_address code.
9342 Set *recog_operand_loc only after processing operands, and only
9343 if replace is true. Return a value.
9344 When changing address reload types for operands that didn't get
9345 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
9346 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
9347 Don't emit USEs for pseudo SUBREGs when not replacing.
9348 (find_reloads_address): Do make_memloc substitution also when
9349 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
9351 (find_reloads_toplev): Likewise.
9352 Call make_memloc in reg_equiv_address code.
9353 (debug_reload_to_stream): Add code to output reload_out_reg.
9354 (make_memloc): Delete local variable i, ifdefed out code, and
9355 references to memlocs and n_memlocs.
9356 (memlocs, n_memlocs): Delete.
9357 (push_secondary_reload): Clear reload_out_reg.
9358 (find_reloads_address_1): Provide memrefloc argument to all calls
9359 to find_reloads_address.
9360 In AUTO_INC code, handle non-directly addressable equivalences properly.
9361 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
9362 (find_reloads): Add return type.
9363 (remove_address_replacements, deallocate_reload_reg): Declare.
9364 * reload1.c (num_not_at_initial_offset): No longer static.
9365 (delete_address_reloads, delete_address_reloads_1): Likewise.
9366 (deallocate_reload_reg): New function.
9367 (spill_reg_stored_to): New array.
9368 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
9369 (eliminate_regs_in_insn): Move assignments of previous_offset and
9370 max_offset fields, and recalculation of num_not_at_initial_offset
9371 into new static function:
9372 (update_eliminable_offsets) .
9373 (reload_as_needed): Call update_eliminable_offsets after calling
9375 Call forget_old_reloads_1 with contents of reloaded auto_inc
9376 expressions if the actual addressing can't be changed to match the
9378 (choose_reload_regs): For inheritance, replace
9379 reload_reg_free_before_p test with reload_reg_used_at_all test, and
9380 remove stand-alone reload_reg_used_at_all test.
9381 Use reload_out_reg to determine which reload regs have output reloads.
9382 Treat reload_override_in more similar to inherited reloads.
9383 Handle (subreg (reg... for inheritance.
9384 For flag_expensive_optimizations, add an extra pass to remove
9385 unnecessary reloads from known working inheritance.
9386 Delete obsolete code for pseudos replaced with MEMs.
9387 Handle inheritance from auto_inc expressions.
9388 (emit_reload_insns): If reload_in is a MEM, set OLD to
9390 Don't reload directly from oldequiv; if it's a pseudo with a
9391 stack slot, use reload_in[j].
9392 Check that reload_in_reg[j] is a MEM before replacing reload_in
9393 from reg_reloaded_contents.
9394 Include non-spill registers in reload inheritance processing.
9395 Also try to use reload_out_reg to set spill_reg_store /
9396 reg_last_reload_reg.
9397 In code to set new_spill_reg_store, use single_set to find out if
9398 there is a single set.
9399 Add code that allows to delete optional output reloads.
9400 Add code to allow deletion of output reloads that use no spill reg.
9401 At the end, set reload_override_in to oldequiv.
9402 Also call delete_output_reload if reload_out_reg is equal to old
9404 Add code to call delete_output_reload for stores with no matching load.
9405 Set / use spill_reg_stored_to.
9406 Handle case where secondary output reload uses a temporary, but
9407 actual store isn't found.
9408 When looking for a store of a value not loaded in order to call
9409 delete_output_reload, count_occurrences should return 0 for no
9410 loads; but discount inherited input reloadill_reg_stored_to.
9411 Do checks for extra uses of REG. Changed all
9413 Use delete_address_reloads.
9414 (reload): Take return value of find_reloads into account.
9415 If a no-op set needs more than one reload, delete it.
9416 (reload_reg_free_before_p): RELOAD_FOR_INPUT
9417 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
9418 for the same operand.
9419 (clear_reload_reg_in_use): Check for other reloads that keep a
9421 (reload_reg_free_for_value_p): Handle RELOAD_FOR_OPERAND_ADDRESS /
9422 RELOAD_FOR_OPADDR_ADDR.
9423 Take into account when an address address reload is only needed
9424 for the address reload we are considering.
9425 (count_occurrences): Use rtx_equal_p for MEMs.
9426 (inc_for_reload): Return instruction that stores into RELOADREG.
9427 New argument two, IN, and rtx. Changed all callers.
9428 (calculate_needs_all_insns, reload_as_needed):
9429 Don't clear after_call for a CLOBBER.
9430 Keep track of how many hard registers need to be copied from
9431 after_call, and don't clear after_call before we have seen
9432 that much copies, or we see a different instruction.
9434 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
9436 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
9437 after reload has completed.
9439 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
9441 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
9442 a macro name and the next token with a single blank if that whitespace
9443 is in a macro buffer and the next token is not '('.
9445 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
9447 * cccp.c (rescan): Handle multibyte characters ending in backslash.
9449 (skip_if_group): Likewise.
9450 (skip_to_end_of_comment): Likewise.
9451 (macarg1): Likewise.
9452 (discard_comments): Likewise.
9453 (change_newlines): Likewise.
9455 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
9457 * c-lex.c (yylex): Fix unaligned access of wchar_t.
9459 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
9461 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
9462 (TARGET_OPTIONS): Add --help documentation.
9464 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9466 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
9468 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
9470 * fixinc/* Moved in from ../contrib directory in preparation
9471 for integrating it into the normal build process. In particular,
9472 fixinc/Makefile.in must be config-ed into the build directory
9473 as fixinc/Makefile. Proposed patches to ./Makefile.in and
9474 ./configure.in will be "in the mail" momentarily.
9476 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
9478 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
9479 accidently walk into the free list. Comment how that can happen.
9480 (invalidate): Fix indentation.
9482 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9483 Jeffrey A Law (law@cygnus.com)
9485 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
9486 reload. Never perform rescans of the insn chain after reload.
9487 (propagate_block): Do not delete insn or create new autoinc addressing
9490 * jump.c (jump_optimize): Unconditionally use the code that was
9491 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
9492 * reload1.c (reload): When reloading is finished, delete all
9493 REG_DEAD and REG_UNUSED notes.
9494 (emit_reload_insns): Delete all code that was conditional on
9495 PRESERVE_DEATH_INFO_REGNO_P.
9496 (no_longer_dead_regs): Delete variable.
9497 (reload_cse_delete_death_notes): Delete function.
9498 (reload_cse_no_longer_dead): Delete function.
9499 (reload_cse_regs_1): Delete all code to handle deletion of death
9501 (reload_cse_noop_set_p): Likewise.
9502 (reload_cse_simplify_set): Likewise.
9503 (reload_cse_simplify_operands): Likewise.
9504 (reload_cse_move2add): Likewise.
9505 * reorg.c (used_spill_regs): Delete declaration.
9506 (max_label_num_after_reload): Delete declaration.
9507 (find_dead_or_set_registers): Don't assume that spill regs are
9508 dead at a CODE_LABEL.
9509 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
9511 * sched.c (sched_analyze_insn): Likewise.
9512 (update_flow_info): Likewise.
9513 * haifa-sched.c (sched_analyze_insn): Likewise.
9514 (update_flow_info): Likewise.
9515 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
9516 * toplev.c (max_label_num_after_reload): Delete variable.
9517 (rest_of_compilation): Don't set max_label_num_after_reload.
9518 Call life_analysis after reload_cse_regs if optimizing.
9519 * config/gmicro/gmicro.h: Delete comment referring to
9520 PRESERVE_DEATH_INFO_REGNO_P.
9521 * config/i386/i386.h: Likewise.
9522 * config/m88k/m88k.h: Likewise.
9523 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
9524 * config/sh/sh.h: Likewise.
9526 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@gnu.org>
9528 * loop.c (strength_reduce): Restore marking bct_p as
9530 * rs6000.c (optimization_options): Change #ifdef HAIFA to
9531 HAVE_decrement_and_branch_on_count.
9532 (small_data_operand): Remove TARGET_ELF condition for marking
9533 parameters ATTRIBUTE_UNUSED.
9535 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
9537 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
9538 (SELECT_SECTION): Resync with svr4.h.
9540 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@gnu.org>
9542 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
9545 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
9547 * c-pragma.c (handle_pragma_token): Test for null tree before
9548 dereferencing TREE_CODE.
9550 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9552 * config/c4x/c4x.c: Convert to use GEN_INT.
9553 (c4x_parallel_process): Rework to handle new repeat loop structure.
9555 * config/c4x/c4x.md: Convert to use GEN_INT.
9556 (rptb_end): Convert to use GE test. Replace uses with clobbers.
9557 (decrement_and_branch_on_count): Likewise.
9559 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
9560 loop.c has the desired functionality.
9561 (rc_reg_operand): New prototype.
9563 * config/c4x/t-c4x: Can now build all front ends.
9565 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
9567 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
9569 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
9571 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
9572 * config/t-rtems: Do not install assert.h -- use newlib's.
9574 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9576 * combine.c (combine_instructions): When finished, call init_recog.
9577 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
9579 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
9581 * toplev.c: If flag_syntax_only, don't open or write assembler file.
9583 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9585 * cppalloc.c (memory_full): Mark function prototype with
9588 * demangle.h (collect_exit): Likewise.
9590 * fix-header.c (v_fatal, fatal): Likewise.
9592 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
9595 * gcov.c (print_usage): Likewise.
9597 * genattr.c (fatal, fancy_abort): Likewise.
9599 * genattrtab.c (fatal, fancy_abort): Likewise.
9601 * gencodes.c (fatal, fancy_abort): Likewise.
9603 * genconfig.c (fatal, fancy_abort): Likewise.
9605 * genemit.c (fatal, fancy_abort): Likewise.
9607 * genextract.c (fatal, fancy_abort): Likewise.
9609 * genflags.c (fatal, fancy_abort): Likewise.
9611 * genopinit.c (fatal, fancy_abort): Likewise.
9613 * genoutput.c (fatal, fancy_abort): Likewise.
9615 * genpeep.c (fatal, fancy_abort): Likewise.
9617 * genrecog.c (fatal, fancy_abort): Likewise.
9619 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
9620 __sjpopnthrow, __throw): Likewise.
9622 * objc/objc-act.c (objc_fatal): Likewise.
9624 * protoize.c (usage, aux_info_corrupted,
9625 declare_source_confusing): Likewise.
9627 * rtl.c (dump_and_abort): Likewise.
9629 * rtl.h (sets_cc0_p): Likewise.
9631 * toplev.c (float_signal, pipe_closed): Likewise.
9633 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
9635 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
9636 when generating the decision tree for the general case.
9638 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
9639 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
9641 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9643 * Makefile.in (sched.o): Depend on recog.h.
9645 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
9646 (unsigned) when comparing against one.
9647 (find_base_value): Likewise.
9648 (record_base_value): Cast variable `regno' to (unsigned) when
9649 comparing against one. Cast the result of REGNO() macro to
9650 (unsigned) when comparing against one.
9651 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
9653 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
9654 variable where an unsigned index is needed.
9656 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
9657 before comparing against one.
9659 * collect2.c: Add prototypes for functions `error', `fatal' and
9660 `fatal_perror'. Make these functions take variable arguments
9661 instead of faking it with a fixed number of args.
9662 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
9665 * combine.c (can_combine_p): Mark parameter `pred' with
9667 (find_split_point): Cast variable `src' to (unsigned
9668 HOST_WIDE_INT) when comparing against one.
9669 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
9670 (simplify_logical): Likewise.
9671 (force_to_mode): Cast result of INTVAL() macro to (unsigned
9672 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
9673 HOST_WIDE_INT) in shift.
9674 (simplify_and_const_int): Cast result of INTVAL() macro to
9675 `unsigned HOST_WIDE_INT' when comparing against one.
9676 (merge_outer_ops): Cast variable const0 to `unsigned
9677 HOST_WIDE_INT' when comparing against the result of
9678 GET_MODE_MASK() macro.
9679 (simplify_comparison): Likewise for variable `c0'. Cast variable
9680 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
9681 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
9682 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
9683 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
9684 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
9685 comparing against one.
9686 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
9688 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
9689 macro to `unsigned HOST_WIDE_INT' when comparing against one.
9690 (output_block_move): Cast `sizeof' expression to (int) when
9691 comparing against one.
9692 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
9694 (save_restore_insns): Cast `base_offset' to `long' to match format
9695 specifier in fprintf.
9697 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
9698 to `enum machine_mode'.
9700 * flow.c (life_analysis_1): Remove unused variable `insn'.
9702 * gcc.c (translate_options): Move variables `j' and `k' into the
9703 scope in which they are used. Change their types to `size_t'.
9704 (set_spec): Cast the argument of ctype macro to `unsigned char'.
9705 (read_specs): Likewise.
9706 (process_command): Cast `sizeof' to (int) when comparing against one.
9707 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
9708 (handle_braces): Cast both sides of `==' expression to `long' to
9709 ensure sign matching.
9710 (main): Cast variable `i' to `int' when comparing against one.
9712 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
9713 int to size_t. Cast variable `i' to size_t when comparing against
9716 * genattrtab.c (convert_set_attr_alternative): Remove unused
9717 parameter `insn_code'. All callers changed.
9718 (convert_set_attr): Likewise.
9720 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
9721 size_t when comparing against one. Likewise for variable `len'.
9723 * global.c (global_alloc): Cast variable `max_regno' to size_t
9724 when comparing against one. Likewise for variable `max_allocno'.
9726 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
9728 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
9729 `set' with ATTRIBUTE_UNUSED.
9730 (find_free_reg): Cast `sizeof' expression to (int) when comparing
9733 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
9734 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
9735 (get_condition): Cast variable `const_val' to `unsigned
9736 HOST_WIDE_INT' when comparing against one. Cast unsigned
9737 expression to HOST_WIDE_INT when comparing against one.
9738 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
9739 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
9740 `unsigned' when comparing against one.
9742 * protoize.c (is_id_char): Change type of parameter `ch' to
9744 (munge_compile_params): Cast argument of ctype macro to (const
9746 (process_aux_info_file): Cast variable `aux_info_size' to int when
9747 comparing against one.
9748 (forward_to_next_token_char): Cast argument of ctype macro to
9749 `const unsigned char'.
9750 (edit_formals_lists): Likewise.
9751 (find_rightmost_formals_list): Likewise.
9752 (add_local_decl): Likewise.
9753 (add_global_decls): Likewise.
9754 (edit_fn_definition): Likewise.
9755 (do_cleaning): Likewise.
9756 (scan_for_missed_items): Likewise.
9757 (edit_file): Cast variable `orig_size' to (int) when comparing
9759 (main): Cast argument of ctype macro to `const unsigned char'.
9761 * recog.c (const_int_operand): Mark parameter `mode' with
9764 * regclass.c (record_reg_classes): Change type of variable `c' to
9765 `unsigned char'. Cast `char' array index to `unsigned char'.
9767 * reload.c (push_secondary_reload): Cast argument to
9768 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
9770 * reload1.c (calculate_needs): Cast `char' array index to
9772 (set_label_offsets): Change type of variable `i' to unsigned int.
9773 Cast result of XVECLEN() macro to unsigned when comparing against
9775 (mark_not_eliminable): Change type of variable `i' to unsigned.
9776 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
9777 when comparing against one.
9778 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
9779 comparing against one.
9780 (choose_reload_regs): Hide unused label `fail'.
9781 (reload_cse_simplify_operands): Cast `char' array index to
9783 (reload_combine_note_store): Mark parameter `set' with
9784 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
9786 (reload_cse_move2add): Remove unused variable `src2'.
9788 * sched.c: Include recog.h.
9789 (sched_note_set): Remove unused parameter `b'. All callers
9791 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
9792 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
9793 when comparing against one.
9795 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
9796 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
9797 comparing against one.
9799 * unroll.c (precondition_loop_p): Remove unused parameter
9800 `loop_end'. All callers changed.
9802 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9804 * reload1.c (maybe_fix_stack_asms): New static function.
9807 * reload.h (compute_use_by_pseudos): Declare.
9809 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
9810 (something_needs_reloads): Delete variable.
9811 (finish_spills): New function.
9812 (compute_use_by_pseudos): New function.
9814 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
9815 Use the reload_insn_chain instead of walking the rtl directly.
9817 (reload): Allocate and free spilled_pseudos.
9818 Ensure that all calls of spill_hard_reg are followed by a call to
9820 Use the insns_need_reload list instead of something_needs_reloads
9821 to find out if reload_as_needed must be called.
9822 Clear unused_insn_chains at the end.
9824 (calculate_needs_all_insns): Lose FIRST parameter. All callers
9826 Delete code to keep track of current basic block.
9827 Walk reload_insn_chain instead of the rtl structure. Build the
9828 insns_need_reload chain.
9829 Remember which insns need reloading/elimination by setting the
9830 appropriate fields in struct insn_chain, not by putting modes on the
9833 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
9834 arg INSN. All callers changed.
9835 Delete declaration of struct needs.
9836 Don't set something_needs_reloads.
9837 Record insn needs in the CHAIN argument.
9839 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
9841 (reload_as_needed): Lose FIRST arg. All callers changed.
9842 Walk the reload_insn_chain instead of the rtx structure.
9843 Delete code to keep track of current basic block.
9844 Rename one of the NEXT variables to OLD_NEXT.
9846 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
9848 (choose_reload_regs): Likewise.
9850 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
9853 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
9854 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
9855 (hard_regs_live, hard_regs_need_restore): Delete variables.
9856 (n_regs_saved): Now static.
9857 (referenced_regs, this_insn_sets): New variables.
9859 (setup_save_areas): Restructure the code a bit.
9861 (restore_referenced_regs): Delete function.
9862 (mark_referenced_regs): New function, similar to the old
9863 restore_referenced_regs, but mark registers in referenced_regs.
9865 (clear_reg_live): Delete function.
9866 (mark_set_regs): Renamed from set_reg_live. All callers changed.
9867 Only mark registers in this_insn_sets.
9869 (save_call_clobbered_regs): Rework this function to walk the
9870 reload_insn_chain instead of using the list of instructions directly.
9871 Delete code to keep track of register lives, compute live regs on the
9872 fly from information in the chain.
9873 Instead of calling restore_referenced_regs, use mark_referenced_regs,
9874 then walk the set it computes and call insert_restore as appropriate.
9876 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
9878 Restructure the code a bit. Test hard_regs_saved instead of
9879 hard_regs_need_restore.
9880 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
9881 args. All callers changed.
9882 Restructure the code a bit. Use TO_SAVE to determine which regs to
9883 save instead of more complicated test.
9884 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
9886 Create a new insn_chain structure for the new insn and place it
9889 * rtl.texi: Update documentation to reflect that reload no longer
9890 puts modes on the insns.
9892 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
9894 * function.c (purge_addressof_1): Force the first argument of a
9895 CALL insn to memory.
9897 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
9899 * rtl.h: Delete duplicate prototypes. Add some missing
9901 * rtlanal.c (for_each_rtx): Formatting tweak.
9903 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9905 * real.c (emdnorm and etoasc): Disable round to even for c4x target
9906 to be compatible with TI compiler.
9908 * Makefile.in (USER_H): Add va-c4x.h to definition.
9910 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
9912 * function.c (purge_addressof_1): Fix typo in inequality: do
9913 bitfield optimization for equal mode sizes.
9914 * expmed.c (store_bit_field): Don't take subregs of subregs in
9915 the movstrict case. Tidy a potential problem in the multi-word case.
9916 (extract_bit_field): Likewise.
9918 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9920 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
9922 Compute max_uid_for_flow by calling get_max_uid after the scan.
9923 (find_basic_blocks_1): Don't emit NOPs here.
9925 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
9927 * alias.c (base_alias_check): Accept new args for the modes of the
9928 two references. Use them to determine if an AND can overlap. Update
9930 (memrefs_conflict_p): Assume sizes are aligned, and uses them
9931 to determine if an AND can overlap.
9933 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
9935 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
9936 check. Add comment to document problems with TARGET_SUN_FPA version
9938 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
9940 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9942 * Makefile.in (gencheck.o): Depend on gansidecl.h.
9944 * c-common.c (print_char_table): Add missing initializers.
9945 (scan_char_table): Likewise.
9946 (time_char_table): Likewise.
9948 * c-decl.c (c_decode_option): Mark parameter `argc' with
9950 (declare_parm_level): Mark parameter `definition_flag' with
9953 * c-lex.c (readescape): Use `(unsigned)1' in shift.
9954 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
9957 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
9959 (emit_call_1): Mark parameters `fndecl' and `funtype' with
9961 (expand_call): Cast result of MIN() to (unsigned int) when
9962 comparing against an unsigned value.
9964 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
9966 (make_definition): Remove unused parameter `op'. All callers
9968 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
9969 comparing against the result of pointer arithmetic.
9971 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
9972 when comparing against one.
9974 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
9975 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
9977 (output_die): Move variable `i' into the scope in which it is
9978 used. Change its type to `unsigned'.
9979 (output_die): Cast the result of `strlen' to (int) when passing it
9980 to ASM_OUTPUT_ASCII().
9981 (output_pubnames): Likewise.
9982 (output_line_info): Likewise.
9984 * emit-rtl.c (global_rtl): Add missing initializers.
9986 * explow.c (promote_mode): Mark parameter `for_call' with
9989 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
9990 `unsigned HOST_WIDE_INT' when comparing against one.
9991 (synth_mult): Change type of variable `cost' to int.
9992 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
9994 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
9995 when comparing against one.
9996 (get_inner_reference): Change variable `alignment' to unsigned.
9997 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
9998 int) when comparing against one.
9999 (expand_builtin_setjmp): Change type of variable `i' to size_t.
10001 * fold-const.c (div_and_round_double): Cast BASE to
10002 (HOST_WIDE_INT) when comparing against one.
10004 * gencheck.c: Include gansidecl.h.
10005 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
10007 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
10008 `tcode' with ATTRIBUTE_UNUSED.
10010 * real.c (edivm): Cast constant value to (unsigned long) in
10011 expression compared against an unsigned value.
10013 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
10014 comparing against one.
10015 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
10016 when comparing against one.
10018 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
10019 (unsigned int) when comparing against one. Likewise for
10021 (smallest_mode_for_size): Likewise.
10022 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
10023 (restore_storage_status): Likewise.
10025 * toplev.c (debug_args): Add missing initializer.
10026 (f_options): Spelling correction. Add missing initializers.
10027 (documented_lang_options): Likewise.
10028 (debug_end_source_file): Mark parameter `lineno' with
10031 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
10032 `decl' and `type' with ATTRIBUTE_UNUSED.
10034 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
10035 when comparing against one.
10036 (assemble_variable): Mark parameter `top_level' with
10038 (assemble_external_libcall): Mark parameter `fun' with
10040 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
10043 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
10045 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
10046 Replace use of r5 with use of r19.
10048 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
10050 * config/v850/v850.c (compute_register_save_size): Allow for the
10051 fact that helper functions save all registers, not just those used
10054 Replace constant 31 with macro LINK_POINTER_REGNUM.
10056 * config/v850/v850.md: Use 'indirect_operand' rather than
10057 'memory_operand' for bit test/set/clear patterns.
10059 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
10061 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
10062 * varasm.c (assemble_start_function et al): Don't call
10063 ASM_GLOBALIZE_LABEL for weak symbols.
10065 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
10067 * cse.c (equiv_constant): Check for NULL return from
10068 gen_lowpart_if_possible().
10070 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
10072 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
10074 * collect2.c (main): Pass -EL/-EB through to the compiler.
10076 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10078 * expr.c (push_block): Handle targets where the stack grows
10079 to higher addresses, but args grow to lower addresses and
10080 ACCUMULATE_OUTGOING_ARGS is not defined.
10082 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
10084 * config/v850/v850.c (print_operand): Extend meaning
10085 of 'c' operands to support .vtinherit.
10087 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10089 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
10090 Added ATTRIBUTE_UNUSED to unused function arguments.
10091 (rc_reg_operand): New predicate.
10092 (c4x_rptb_insert): New function.
10093 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
10094 (c4x_optimization_options): New function.
10096 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
10097 (decrement_and_branch_on_count): New pattern.
10098 (rptb_top): Modified pattern to work with BCT optimization.
10100 * config/c4x/c4x.h (RC_REG): New register class.
10101 (rc_reg_operand): Define prototype.
10102 (IS_RC_REG): New macro.
10103 (IS_RC_OR_PSEUDO_REG): New macro.
10104 (IS_RC_OR_PSEUDO_REGNO): New macro.
10105 (OPTIMIZATION_OPTIONS): Define.
10107 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
10109 * collect2.c (extract_init_priority): No priority is 65535.
10111 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10113 * Makefile.in (build_tooldir): New variable, same as old
10114 $(tooldir), but without depending on $(libdir)/$(unlibsubdir).
10115 (GCC_FOR_TARGET): Add -B$(build_tooldir)/bin/.
10116 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Likewise.
10118 * configure.in (gxx_include_dir): Set default based on unlibsubdir.
10119 * Makefile.in (tooldir): Likewise.
10120 (cccp.o, cpplib.o): Use unlibsubdir implicitly through
10121 gxx_include_dir, includedir and tooldir.
10122 (protoize.o, unprotoize.o): Likewise.
10124 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
10126 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
10128 * config/arm/thumb.c (thumb_override_options): Add warning about
10129 PIC code not being supported just yet.
10131 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
10133 * flow.c: Update comment.
10134 (notice_stack_pointer_modification): New static function.
10135 (record_volatile_insns): Use it.
10136 (mark_regs_live_at_end): Mark the stack pointer as alive
10137 at the end of the function if current_function_sp_is_unchanging
10139 (life_analysis_1): Set current_function_sp_is_unchanging.
10140 * function.c: Define it.
10141 (init_function_start): Initialize it.
10142 * output.h: Declare it.
10143 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
10144 the stack pointer as alive at the end of the function if
10145 current_function_sp_is_unchanging is set.
10146 * i386.c (ix86_epilogue): Optimize the restoring
10147 of the stack pointer.
10149 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
10151 * version.c: Bump for snapshot.
10153 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
10155 * c-pragma.c (handle_pragma_token): If passed a token instead
10156 of a tree, use that as the pack value.
10158 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
10160 * flow.c (find_basic_blocks_1): Fix prototype.
10162 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
10164 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
10165 (struct tree_decl): New fields no_check_memory_usage.
10166 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
10167 (init_attributes): Register it as a new attribute.
10168 (decl_attributes): Set flags on functions given that attribute.
10169 * c-decl.c (duplicate_decls): Merge new attribute.
10170 * expr.h (current_function_check_memory_usage): Declare new var.
10171 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
10172 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
10173 current_function_check_memory_usage.
10174 * function.h: Add field to struct function.
10175 * function.c (current_function_check_memory_usage): Define it.
10176 (push_function_context_to, pop_function_context_from): Save and
10178 (expand_function_start): Set it, based on global flag and function
10181 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
10182 check non-automatic variables, to permit detection of writes to
10183 read-only locations in embedded systems without memory management.
10184 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
10185 when emitting chkr_set_right_libfunc call, even if the argument is
10186 BLKmode or variable-sized; don't abort.
10188 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
10189 symbols in Pmode, not VOIDmode.
10191 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
10193 * cppexp.c: When forcing unsigned comparisons, cast both sides
10196 * cpphash.h: Move static declaration of hashtab[]...
10197 * cpphash.c: ...here.
10199 * cpplib.c: Cast difference of two pointers to size_t before
10200 comparing it to size_t. Cast signed to unsigned
10201 before comparing to size_t. (FIXME: struct argdata should use
10202 unsigned buffer sizes.)
10203 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
10204 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
10205 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
10206 size_t before comparison.
10208 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
10210 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
10211 (find_basic_blocks_1): Similarly.
10212 * output.h (find_basic_blocks): Fix prototype.
10213 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
10214 find_basic_blocks anymore.
10216 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
10218 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
10219 (sbitmap_free, sbitmap_vector_free): New macros.
10220 * output.h (rtl_dump_file): Declare.
10222 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
10224 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
10226 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10228 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
10229 (DFtype): Likewise.
10230 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
10231 (divide): Remove unused variable `tmp'.
10232 (si_to_float): Cast numeric constant to (SItype) before comparing
10235 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
10237 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
10238 * gcc.c (add_preprocessor_option): Correct typo when allocating
10239 memory, sizeof() argument had one too many `*'.
10240 (add_assembler_option): Likewise.
10241 (add_linker_option): Likewise.
10242 * gcov.c (output_data): Likewise.
10243 * local-alloc.c (memref_used_between_p): Likewise.
10244 (update_equiv_regs): Likewise.
10245 * loop.c (strength_reduce): Likewise.
10246 * reg-stack.c (record_asm_reg_life): Likewise.
10247 (subst_asm_stack_reg): Likewise.
10248 * reorg.c (dbr_schedule): Likewise.
10250 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
10252 * flow.c (life_analysis_1): Break out some functions.
10253 (find_basic_blocks_1): Likewise. Also move some variables out and
10255 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
10256 new static var nonlocal_label_list with it.
10257 (active_eh_region, nested_eh_region, label_value_list,
10258 nonlocal_label_list): New static variables.
10259 (make_edges, delete_unreachable_blocks, delete_block): New static
10260 functions, broken out of find_basic_blocks_1.
10261 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
10262 noop_move_p): New static functions, broken out of life_analysis_1.
10264 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
10266 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
10267 Take extra care for op0 now possibly being a subreg.
10268 (extract_bit_field): Likewise.
10269 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
10270 the reg to memory if there is no equal sized integral mode.
10271 * stor-layout.c (int_mode_for_mode): New function.
10272 * machmode.h: Prototype it.
10274 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
10276 * global.c (build_insn_chain): Verify no real insns exist past the
10277 end of the last basic block, then exit the loop.
10279 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@gnu.org>
10281 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
10283 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
10285 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
10287 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@gnu.org>
10289 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
10291 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
10293 * flow.c (find_basic_blocks): Correctly determine when a call
10294 is within an exception region.
10296 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
10298 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
10300 * cpplib.h: Protect from multiple inclusions.
10301 * cpplib.c: Fix minor formatting problems.
10303 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
10305 * jump.c (jump_optimize): Revert accidental patch.
10307 * Makefile.in (cpplib.o): Use unlibsubdir.
10309 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
10311 * loop.c (get_condition): Allow combine when either compare is
10314 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
10316 * version.c: Bump for snapshot.
10318 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
10320 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
10321 (init_lex): Initialize ridpointers[RID_BYREF].
10322 * c-lex.h (enum rid): Add RID_BYREF.
10323 * c-parse.gperf: Add RID_BYREF as a type qualifier.
10324 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
10325 (encode_type_qualifiers): Similarly.
10326 * c-gperf.h: Rebuilt.
10328 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
10330 * c-common.c (type_for_mode): Only return TItype nodes when
10331 HOST_BITS_PER_WIDE_INT is >= 64 bits.
10332 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
10333 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
10334 (init_decl_processing): Only create TItype nodes when
10335 HOST_BITS_PER_WIDE_INT is >= 64 bits.
10336 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
10337 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
10339 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
10341 * stmt.c (n_occurrences): New static function.
10342 (expand_asm_operands): Verify that all constrains match in the
10343 number of alternatives.
10344 Verify that '+' or '=' are at the beginning of an output constraint.
10345 Don't allow '&' for input operands.
10346 Verify that '%' isn't written for the last operand.
10347 * reload.c (find_reloads): Abort if an asm is found with invalid
10348 constraints; all possible problems ought to be checked for earlier.
10350 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10352 * flags.h (flag_branch_on_count_reg): Always declare.
10353 * toplev.c (flag_branch_on_count_reg): Likewise.
10354 * toplev.c: Fix typos.
10356 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
10357 (toc4x): Similarly.
10359 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
10361 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
10363 (find_basic_blocks_1): Add a nop to the end of a basic block when
10364 a trailing call insn does not have abnormal control flow.
10365 * gcse.c (pre_transpout): New variable.
10366 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
10367 (compute_pre_transpout): Calculate it.
10368 (compute_pre_ppinout): Use it to eliminate impossible placements
10369 due to abnormal control flow through calls.
10370 (compute_pre_data): Call compute_pre_transpout.
10372 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10374 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
10376 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
10378 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
10379 and matching define_insns): Tack on a `use' of the table label, so
10380 flow analysis will recognize a tablejump.
10382 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
10384 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
10385 always end basic blocks for abnormal edge reasons.
10387 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
10389 * config/i386/i386.h: Remove definition of
10390 HANDLE_PRAGMA_PACK_PUSH_POP.
10392 * config/i386/go32.h: Add definition of
10393 HANDLE_PRAGMA_PACK_PUSH_POP.
10395 * config/i386/win32.h: Add definition of
10396 HANDLE_PRAGMA_PACK_PUSH_POP.
10398 * config/i386/cygwin32.h: Add definition of
10399 HANDLE_PRAGMA_PACK_PUSH_POP.
10401 * c-pragma.c (insert_pack_attributes): Do not insert
10402 attributes unless #pragma pack(push,<n>) is in effect.
10404 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
10406 * expr.c (emit_group_store): Handle a PARALLEL destination.
10408 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
10410 * gcse.c (pre_insert_insn): When a call ends a bb, insert
10411 the new insns before the argument regs are loaded.
10413 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10415 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
10416 (c-parse.gperf): Update comments describing invocation flags.
10417 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
10419 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
10421 * reload1.c (reload): Call free before clobbering the memory
10422 locations or constants pointers.
10424 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10426 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
10427 for efficiency by checking whether we need to modify the current
10428 stack permission at all.
10429 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
10430 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
10431 __enable_execute_stack libcall here too if
10432 TRANSFER_FROM_TRAMPOLINE is defined.
10433 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
10436 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
10438 * Makefile.in (DRIVER_DEFINES): Remove last change.
10440 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
10442 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
10443 insns we're going to copy.
10444 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
10446 * loop.c (count_one_set): Add prototype.
10448 * caller-save.c (restore_referenced_regs): Lose mode argument.
10449 (insert_save): Lose mode argument.
10450 (insert_restore): Lose mode argument.
10451 (insert_one_insn): Lose mode argument.
10452 (save_call_clobbered_regs): Lose mode argument.
10453 (setup_save_areas): Take no argument and return void. All callers
10455 Don't verify validity of memory addresses.
10456 * reload.h (setup_save_ares): Adjust prototype.
10457 (save_call_clobbered_regs): Likewise.
10458 * reload1.c (delete_caller_save_insns): New function.
10459 (caller_save_spill_class): Delete variable.
10460 (caller_save_group_size): Delete variable.
10461 (reload): Call setup_save_areas and save_call_clobbered_regs
10462 in the main loop, before calling calculate_needs_all_insns.
10463 Don't call save_call_clobbered_regs after the loop.
10464 Call delete_caller_save_insns at the end of an iteration if
10466 Delete code to manage caller_save_spill_class.
10467 Emit the final note before setting reload_first_uid.
10468 Simplify test that determines whether reload_as_needed gets run.
10469 (calculate_needs): Delete code to manage caller_save_spill_class.
10471 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
10473 * collect2.c (main): Initialize ld_file_name.
10475 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
10477 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
10478 check for flag_function_sections.
10480 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10482 * cse.c (insert_regs): Fix bug in Sep 24 change.
10484 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10486 * flags.h (flag_dump_unnumbered): Declare.
10487 * toplev.c (flag_dump_unnumbered): Don't declare.
10488 * print-rtl.c (flags.h): Include.
10489 (print_rtl_single): Add return value.
10490 * rtl.h (print_rtl_single): Update declaration.
10491 * flow.c (flag_dump_unnumbered): Don't declare.
10492 (print_rtl_with_bb): Use return value of print_rtl_single.
10494 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
10496 * loop.c (count_one_set): New static function, broken out of
10497 count_loop_regs_set.
10498 (count_loop_regs_set): Call it.
10499 * global.c (mark_reg_store): Handle clobbers here by not calling
10501 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
10502 is in fact a clobber.
10503 * integrate.c (process_reg_param): New function, broken out of
10504 expand_inline_function.
10505 (expand_inline_function): Call it.
10507 * i386.md (addsidi3_1): Delete unused variable temp.
10508 (addsidi3_2): Likewise.
10509 (clstrstrsi): Delete unused variable addr1.
10511 * rtl.h: Don't declare any functions also declared in recog.h.
10513 * Makefile.in (stupid.o): Update dependencies.
10514 (global.o): Likewise.
10516 * global.c: Include reload.h.
10517 (reg_becomes_live): New function.
10518 (reg_dies): New function.
10519 (build_insn_chain): New function.
10520 (global_alloc): Call build_insn_chain before calling reload.
10522 * reload.h (struct needs): New structure definition.
10523 (struct insn_chain): Likewise.
10524 (reload_insn_chain): Declare variable.
10525 (new_insn_chain): Declare function.
10527 * reload1.c (reload_startobj): New variable.
10528 (reload_insn_chain): New variable.
10529 (unused_insn_chains): New variable.
10530 (new_insn_chain): New function.
10531 (init_reload): Initialize reload_startobj, not reload_firstobj.
10532 (reload): Initialize reload_firstobj.
10533 Before returning, free everything on the reload_obstack.
10535 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
10536 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
10537 current_chain): New variables.
10538 (reg_where_born): Delete variable.
10539 (REG_WHERE_BORN): New macro.
10540 (find_clobbered_regs): New function.
10541 (stupid_life_analysis): Don't allocate/free reg_where_born.
10542 Allocate and free reg_where_born_exact, reg_where_born_clobber,
10543 reg_where_dead_chain.
10544 Use REG_WHERE_BORN instead of reg_where_born.
10545 While processing the insns, build the reload_insn_chain with
10546 information about register lifetimes.
10547 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
10548 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
10550 Compute and information about birth and death of pseudo registers in
10551 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
10552 Delete code to set elements of reg_where_born.
10554 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
10556 * tree.def (GOTO_EXPR): Modified documentation.
10557 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
10560 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@gnu.org>
10562 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
10563 loop_final_value, loop_comparison_code): No longer static.
10564 (unroll_loop): Delete loop_start_value update.
10565 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
10566 loop_final_value, loop_comparison_code): Extern.
10567 (loop_start_value): Delete extern.
10568 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
10569 loop_comparison_value, loop_comparison_code): Delete.
10570 (loop_optimize): Remove initialization for deleted variables.
10571 (strength_reduce): Delete analyze_loop_iterations call. Only call
10572 insert_bct if flag_branch_count_on_reg set.
10573 (analyze_loop_iterations): Delete.
10574 (insert_bct): Remove iteration count calculation. Move checks for
10575 viable BCT optimization to here. Obtain iteration count from
10576 loop_iterations and correct for unrolling. Check for enough
10577 iteration to be beneficial. Comment out runtime iteration count
10579 (insert_bct): Print iteration count in dump file. Remove
10580 loop_var_mode and use word_mode directly.
10582 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
10583 * rs6000.c (rs6000_override_options): Use it.
10584 (optimization_options): Enable use of flag_branch_on_count_reg.
10585 * rs6000.md (define_function_unit): Describe 604e.
10587 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10589 * loop.c (move_movables): Corrected threshold calculation for
10590 moved_once registers.
10592 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
10594 * loop.c (combine_givs_p): Fix test for identical givs.
10596 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
10598 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
10599 call abort if the function is already defined.
10601 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
10603 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
10604 truncation is not a no-op.
10606 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
10608 * version.c: Bump for snapshot.
10610 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
10612 * version.c: Bump for snapshot.
10614 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
10616 * expmed.c (expand_divmod): Don't widen for computing remainder
10617 if we seem to have a divmod pattern for needed mode.
10619 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
10621 * cpplib.c (macroexpand): Correct off-by-one error in handling
10624 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
10626 * combine.c (expand_field_assignment): Don't do bitwise operations
10627 on MODE_FLOAT; pun to MODE_INT if possible.
10629 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
10630 scott snyder <snyder@d0sgif.fnal.gov>
10632 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
10633 linker. Recognize mangled names in quotes.
10635 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10637 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
10638 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
10639 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
10640 (lshrsi3_extend, lshrsi3_extend2): Likewise.
10642 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10644 * function.c (purge_addressof_1): If trying to take a sub-word
10645 integral piece of a floating point mode, put it on the stack.
10647 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
10649 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
10651 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
10653 * PROJECTS: Remove template friends.
10655 * collect2.c (sort_ids): Remove unused variable.
10657 * tm.texi (MATH_LIBRARY): Document.
10658 (NEED_MATH_LIBRARY): Remove.
10660 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
10661 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
10663 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
10665 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
10666 last_end to 0x7fffffff.
10668 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10670 * function.c (purge_addressof_1): Do not perform endianness
10671 corrections on bitpos, who we call will do it for us.
10673 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
10675 * h8300.c (WORD_REG_USED): Fix typo.
10676 (initial_offset): Use WORD_REG_USED.
10678 * h8300.c (handle_pragma): Fix typo.
10680 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
10682 * caller-save.c (insert_save_restore): Break this function up
10683 into new functions insert_restore, insert_save and insert_one_insn.
10684 All callers changed.
10685 (insert_restore): New function, mostly broken out of
10686 insert_save_restore.
10687 (insert_save): Likewise.
10688 (insert_one_insn): Likewise.
10689 (restore_referenced_regs): New argument BLOCK. All callers changed.
10690 (save_call_clobbered_regs): Don't keep track of basic block boundaries
10691 in this function, do it in insert_one_insn instead.
10693 * reload1.c (reload): Break out some more pieces into separate
10695 (dump_needs): New function, broken out of reload.
10696 (set_initial_elim_offsets): Likewise.
10697 (init_elim_table): Likewise.
10698 (update_eliminables): Likewise.
10700 * global.c (global_alloc): Delete code to manage the scratch_list.
10701 * local-alloc.c (qty_scratch_rtx): Delete.
10702 (scratch_block): Delete.
10703 (scratch_list): Delete.
10704 (scratch_list_length): Delete.
10705 (scratch_index): Delete.
10706 (alloc_qty_for_scratch): Delete.
10707 (local-alloc): Update initialization of max_qty.
10708 Delete code to manage the scratch list.
10709 Delete code to allocate/initialize qty_scratch_rtx.
10710 (block_alloc): Don't allocate quantities for scratches.
10711 Delete code to manage the scratch list.
10712 * regs.h (scratch_list): Delete declaration.
10713 (scratch_block): Delete declaration.
10714 (scratch_list_length): Delete declaration.
10715 * reload1.c (reload): Delete code to manage the scratch list.
10716 (spill_hard_reg): Likewise.
10717 (mark_scratch_live): Delete.
10719 * recog.c (alter_subreg): Delete declaration.
10721 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
10723 * Makefile.in (cccp.o): Fix typo in last patch.
10725 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10727 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
10728 * config/sh/lib1funcs.asm (___set_fpscr): Add.
10730 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
10732 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
10733 NULL_RTX as an argument.
10735 * Makefile.in (unlibsubdir): Define.
10736 (DRIVER_DEFINES): Use unlibsubdir.
10737 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
10738 (stmp-fixinc): Similarly.
10740 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
10742 * regmove.c (regmove_optimize): Add variable old_max_uid.
10743 At the end of the function, update basic_block_end.
10745 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10747 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
10748 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
10749 arbitrary constant.
10751 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
10753 * config/arm/arm.c: Improve interworking support.
10755 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10757 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
10758 copied from reload_out[r] .
10760 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
10762 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
10763 with more than three size ranges.
10765 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
10767 * rtl.c (mode_name): Add a null string at the end of the array.
10768 (mode_wider_mode): Change type to unsigned char.
10769 (mode_mask_array): New variable.
10770 (init_rtl): Update for mode_wider_mode type change.
10772 * rtl.h (mode_wider_mode): Change type to unsigned char.
10773 (mode_mask_array): Declare.
10774 (GET_MODE_MASK): Use mode_mask_array.
10776 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
10778 * calls.c (expand_call) : Encapsulate code into
10779 copy_blkmode_from_reg.
10780 * expr.c (copy_blkmode_from_reg): New function.
10781 * expr.h (copy_blkmode_from_reg): New function.
10782 * integrate.c (function_cannot_inline_p): We can inline
10784 (expand_inline_function): Use copy_blkmode_from_reg
10785 if needed. Avoid creating BLKmode REGs.
10786 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
10789 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
10791 * config/v850/v850.c: Add function prototypes.
10792 Add support for v850 special data areas.
10794 * config/v850/v850.h: Add support for v850 special data areas.
10796 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
10797 HANDLE_PRAGMA_PACK_PUSH_POP.
10798 (push_alignment): New function: Cache an alignment requested
10799 by a #pragma pack(push,<n>).
10800 (pop_alignment): New function: Pop an alignment from the
10802 (insert_pack_attributes): New function: Generate __packed__
10803 and __aligned__ attributes for new decls whilst a #pragma pack
10805 (add_weak): New function: Cache a #pragma weak directive.
10806 (handle_pragma_token): Document calling conventions. Add
10807 support for #pragma pack(push,<n>) and #pragma pack (pop).
10809 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
10810 are defined enable HANDLE_PRAGMA_PACK.
10811 Move 'struct weak_syms' here (from varasm.c).
10812 Add pragma states for push and pop pragmas.
10814 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
10817 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
10818 HANDLE_GENERIC_PRAGMAS.
10820 * varasm.c: Move definition of 'struct weak_syms' into
10822 (handle_pragma_weak): Deleted.
10824 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
10826 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
10828 * c-decl.c (start_function): Add invocation of
10829 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
10831 * tm.texi: Remove description of non-existent macro
10832 SET_DEFAULT_SECTION_NAME.
10834 (HANDLE_SYSV_PRAGMA): Document.
10835 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
10837 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
10839 * config.sub: Recognize i[34567]86-pc-udk as new target.
10840 * configure.in: Likewise.
10841 * config/i386/t-udk: New file.
10842 * config/i386/udk.h: New file.
10844 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
10846 * reorg.c (check_annul_list_true_false): Remove unused variables.
10847 (steal_delay_list_from_target): Add missing "used_annul" variable.
10848 (try_merge_delay_insns): Close out half formed comment.
10850 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
10852 * cpplib.c (macroexpand): If arg->raw_before or
10853 arg->raw_after, remove any no-reexpansion escape at the
10854 beginning of the pasted token. Correct handling of whitespace
10855 markers and no-reexpand markers at the end if arg->raw_after.
10857 * toplev.c (documented_lang_options): Recognize -include,
10858 -imacros, -iwithprefix, -iwithprefixbefore.
10859 * cpplib.c (cpp_start_read): Process -imacros and -include
10860 switches at the same time and in command-line order, after
10861 initializing the dependency-output code. Emit properly nested
10862 #line directives for them. Emit a #line for the main file
10863 before processing these switches, and don't do it again
10866 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
10868 * function.c (purge_addressof_1): Use bitfield manipulation
10869 routines to handle mem mode < reg mode.
10871 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10873 * reorg.c (try_merge_delay_insns): Account for resources referenced
10874 in each instruction in INSN's delay list before trying to eliminate
10875 useless instructions. Similarly when looking at a trial insn's delay
10878 * reorg.c (check_annul_list_true_false): New function.
10879 (steal_delay_list_from_{target,fallthrough}): Call it and also
10880 refine tests for when we may annul if already filled a slot.
10881 (fill_slots_from_thread): Likewise.
10882 (delete_from_delay_slot): Return newly-created thread.
10883 (try_merge_delay_isns): Use its new return value.
10885 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
10887 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
10888 used to compute a giv or as some other non-counting use.
10890 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10892 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
10893 * local-alloc.c (find_free_reg): Use it.
10894 * global.c (find_reg): Likewise.
10895 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
10897 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
10898 * caller-save.c (init_caller_save): Use it.
10899 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
10901 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
10903 * configure.in: Add --enable-cpplib option which uses cpplib
10904 for cpp, but doesn't link cpplib into cc1. Make help text
10905 capitalization consistent.
10906 * configure: Rebuilt.
10908 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
10910 * function.c (gen_mem_addressof): If the address REG is
10911 REG_USERVAR_P make the new REG be so also.
10912 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
10913 in an attempt to clarify slightly.
10915 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
10917 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
10918 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
10920 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
10922 * toplev.c: Fix last patch.
10924 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
10926 * loop.c (get_condition): Fix typo in May 9 change.
10928 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10930 * invoke.texi (-fexceptions): Merge 2 different descriptions.
10932 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10934 * toplev.c (documented_lang_options): Spelling corrections.
10936 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10938 * configure.in: New flags --with-ld and --with-as, equivalent
10939 to setting LD and AS environment variables. Test whether
10940 specified arguments are GNU commands, and report them with
10941 checking messages. Use the specified AS for configure
10943 * configure: Likewise.
10944 * acconfig.h: Add DEFAULT_ASSEMBLER and DEFAULT_LINKER.
10945 * config.in: Likewise.
10946 * gcc.c (find_a_file): When looking for `as' and `ld', return
10947 the DEFAULT program if it exists.
10948 * collect2.c (main): Use DEFAULT_LINKER if it exists.
10950 * gcc.c (find_a_file): The test for existence of a full
10951 pathname was reversed.
10953 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
10955 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
10956 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
10958 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
10960 * tree.h (TYPE_BINFO): Document.
10962 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
10964 * i386-coff.h (dbxcoff.h): Added.
10966 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
10968 * toplev.c: Fix bad patch around flag_data_sections.
10970 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
10972 * reload1.c (reload): Use reload_address_index_reg_class and
10973 reload_address_base_reg_class when setting
10974 caller_save_spill_class. (Patch generated by Jim Wilson:
10975 wilson@cygnus.com).
10977 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
10979 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
10980 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
10981 * expr.c (store_field): Add alias_set parameter. Set the
10982 MEM_ALIAS_SET accordingly, if the target is a MEM.
10983 (expand_assignment): Use it.
10984 (store_constructor_field): Pass 0.
10985 (expand_expr): Likewise.
10987 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
10989 * flags.h: Add flag_data_sections.
10990 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
10991 (compile_file): Error if flag_data_sections not supported.
10992 * varasm.c (assemble_variable): Handle flag_data_sections.
10993 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
10994 * config/mips/elf.h: Likewise.
10995 * config/mips/elf64.h: Likewise.
10996 * invoke.texi: Describe -fdata-sections.
10998 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
11000 * invoke.texi (-ffloat-store): Clarify that this option
11001 does not affect intermediate results -- only variables.
11003 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
11005 * cpp.texi: Update for Fortran usage from Craig.
11007 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@gnu.org>
11009 * rs6000.c (function_arg_boundary): Revert accidental change on
11012 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
11014 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
11015 (output_mi_thunk): Declare.
11017 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
11018 (output_function_profiler): Use r12 for temp, instead of r11 so
11019 that we preserve the static chain register.
11021 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
11023 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
11025 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11027 * sh.c (gen_shl_sext): Fix case 5.
11029 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11031 * reload1.c (reload_combine): Re-add line that got accidentally lost.
11033 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11035 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
11036 accessing variables until they are initialized via va_arg().
11038 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11040 * reload1.c (reload_combine): Initialize set before using.
11042 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
11044 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
11047 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
11049 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
11050 operand3 with mask before using it. Patch provided by Jim Wilson.
11052 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11054 * config/sparc/sparc.c (function_value): Perform the equivalent of
11055 PROMOTE_MODE for ARCH64.
11056 (eligible_for_epilogue_delay): Allow DImode operations in delay
11057 slot of a return for ARCH64.
11059 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11061 * sh.md (sqrtsf2): Fix mode of sqrt.
11063 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11065 * reload1.c (choose_reload_regs): Also try inheritance when
11066 reload_in is a stack slot of a pseudo, even if we already got a
11069 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11071 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
11072 (reload_cse_regs): New function body: call reload_cse_regs_1,
11073 reload_combine, reload_cse_move2add.
11074 When doing expensive_optimizations, call reload_cse_regs_1 a
11075 second time after reload_cse_move2add.
11076 (reload_combine, reload_combine_note_store): New functions.
11077 (reload_combine_note_use): New function.
11078 (reload_cse_move2add, move2add_note_store): New functions.
11080 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11082 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
11083 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
11085 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
11086 more than 3 such reloads.
11088 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
11089 RELOAD_FOR_X_ADDR_ADDR reload.
11091 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11093 * expr.c (store_constructor): When initializing a field that is smaller
11094 than a word, at the start of a word, try to widen it to a full word.
11096 * cse.c (cse_insn): When we are about to change a register,
11097 remove any invalid references to it.
11099 (remove_invalid_subreg_refs): New function.
11100 (mention_regs): Special treatment for SUBREGs.
11101 (insert_regs): Don't strip SUBREG for call to mention_regs.
11102 Check if reg_tick needs to be bumped up before that call.
11103 (lookup_as_function): Try to match known word_mode constants when
11104 looking for a norrower constant.
11105 (canon_hash): Special treatment for SUBREGs.
11107 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11109 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
11110 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
11111 defined, emit libcall to __enable_execute_stack. Also fix opcodes
11112 and offsets in actual stack trampoline code so they match the
11113 commentary and actually work.
11115 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11117 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
11119 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
11120 tmake_file. Set extra_parts to needed crt objects.
11121 * configure: Rebuilt.
11122 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
11123 (TARGET_DEFAULT): Set if default is v9 or ultra.
11124 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
11125 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
11126 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
11127 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
11128 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
11129 (TARGET_VERSION): Define.
11130 (MULTILIB_DEFAULT): Define.
11131 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
11132 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
11133 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
11135 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
11136 * config/sparc/sparc.c (sparc_override_options): If arch and
11137 pointer size disagree, emit diagnostic and fix it up. If
11138 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
11139 V8PLUS in 64-bit mode.
11140 * config/sparc/t-linux64: New file.
11141 * config/sparc/t-sol2-64: New file.
11142 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
11143 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
11144 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
11145 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
11146 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
11147 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
11149 (STARTFILE_SPEC): Set appropriately based upon those.
11150 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
11151 disposition of DEFAULT_ARCH32_P.
11152 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
11153 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
11154 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
11155 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
11156 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
11158 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
11160 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
11162 * rtl.h (init_virtual_regs): New function.
11163 * emit-rtl.c (init_virtual_regs): Define.
11164 (insn_emit): Use it.
11165 * integrate.c (save_for_inline_copying): Likewise.
11167 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
11169 * config/arm/thumb.h: The following patches were made by Jim Wilson:
11170 (enum reg_class): Add NONARG_LO_REGS support.
11171 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
11172 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
11173 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
11174 completes. Re-enable HImode REG+OFFSET addresses.
11175 (LEGITIMIZE_RELOAD_ADDRESS): Define.
11177 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
11179 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
11181 * alpha.c (get_aligned_mem): Revert Sep 20 change.
11182 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
11183 (alpha_align_insns): Properly calculate initial offset wrt max_align.
11185 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
11187 * arm.c (find_barrier): Revert change of Apr 23. Handle table
11188 jumps as a single entity, taking into account the size of the
11191 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
11193 * tree.def (SWITCH_EXPR): New tree node definition.
11195 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
11197 * version.c: Bump for snapshot.
11199 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
11201 * version.c: Bump for snapshot.
11203 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
11205 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
11208 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
11210 * Revert this patch.
11211 * reload.c (find_reloads): Do not replace a pseudo with
11212 (MEM (reg_equiv_addr)) in the initializing insn for the
11215 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
11217 * final.c (final_scan_insn): Disable tracking CC across branches.
11219 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
11221 * expr.h (eh_rtime_match_libfunc): New extern declaration.
11222 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
11223 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
11224 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
11225 NULL. Only include <stdio.h> if inhibit_libc is not defined.
11227 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
11229 * toplev.c (rest_of_compilation): Skip compiling anything with
11230 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
11232 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
11234 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
11235 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
11236 use in_libcall_block.
11237 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
11238 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
11241 Mon Sep 21 14:02:23 1998
11243 * i386.h (TARGET_SWITCHES) Improve doc for align-double. Fix
11244 typo in no-fancy-math-387 description.
11246 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
11248 * version.c: Bump for snapshot.
11250 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
11252 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
11254 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
11256 * i386.h (TARGET_SWITCHES) Add description fields for flags
11257 documented in install.texi.
11258 (TARGET_OPTIONS) Likewise.
11260 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
11262 * version.c: Bump for snapshot.
11264 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
11266 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
11267 * cccp.c (main): Likewise.
11269 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
11270 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
11273 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
11275 * Makefile.in (LIBS): Link in libiberty.a.
11276 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
11278 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
11280 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
11281 it to update bb boundaries. Update caller.
11282 * function.c (reposition_prologue_and_epilogue_notes): Update
11283 bb boundaries wrt the moved note.
11285 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
11287 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
11289 * configure: Regenerate.
11291 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
11293 * alpha.c (alpha_sr_alias_set): New variable.
11294 (override_options): Set it.
11295 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
11296 (mode_mask_operand): Fix signed-unsigned comparison warning.
11297 (alpha_expand_block_move): Likewise.
11298 (print_operand): Likewise.
11299 (get_aligned_mem): Use change_address.
11300 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
11301 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
11302 (alphaev4_next_nop, alphaev5_next_nop): New functions.
11303 (alpha_align_insns): Remade from old alphaev5_align_insns
11304 to handle multiple processors.
11305 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
11306 * output.h (label_to_alignment): Prototype.
11308 * tree.c (new_alias_set): New function.
11309 * tree.h (new_alias_set): Declare it.
11310 * c-common.c (c_get_alias_set): Use it.
11312 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
11314 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
11315 to an ABS expr, convert an unsigned input to signed.
11317 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
11319 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
11321 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11323 * configure.in: Add support for c4x targets.
11324 * configure: Rebuilt.
11326 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
11328 * combine.c (distribute_notes): If an insn is a cc0 user, only
11329 delete it if we can also delete the cc0 setter.
11331 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
11333 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
11334 (invert_truthvalue): Enable truthvalue inversion for
11335 floating-point operands if -ffast-math.
11337 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
11339 * configure.in: Disable collect2 for nextstep. Instead use
11341 * configure: Rebuilt.
11342 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
11343 (ENDFILE_SPEC): Define.
11344 (OBJECT_FORMAT_MACHO): Define.
11345 (EH_FRAME_SECTION_ASM_OP): Define.
11346 * crtstuff.c: Handle MACHO.
11348 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
11350 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
11352 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
11354 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
11355 (_fpadd_parts): Get sign right for 0.
11357 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11359 * ginclude/varargs.h: Add support for C4x target.
11360 * ginclude/stdargs.h: Likewise.
11362 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
11364 * alpha.c (alpha_return_addr): SET should be VOIDmode.
11365 (alpha_emit_set_long_const): Rewrite to be callable from reload
11367 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
11368 * alpha.md (movdi): Likewise.
11370 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
11372 * arm.c (add_constant): New parameter address_only, change caller.
11373 Set it non-zero if taking the address of an item in the pool.
11374 (arm_reorg): Handle cases where we need the address of an item in
11377 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
11379 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
11380 memory addresses that are not in standard canonical form.
11382 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
11384 * README.C4X: New file with information about the c4x ports.
11385 * ginclude/va-c4x.h: New file for c4x varargs support.
11386 * config/c4x: New directory with c4x port files.
11388 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
11390 * reload.c (find_reloads): Do not replace a pseudo with
11391 (MEM (reg_equiv_addr)) in the initializing insn for the
11394 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@gnu.org>
11396 * toplev.c (rest_of_compilation): Set bct_p on second call to
11398 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
11400 (strength_reduce): Only call analyze_loop_iterations and
11401 insert_bct if bct_p set.
11402 (check_dbra_loop): Fix typo.
11403 (insert_bct): Use word_mode instead of SImode.
11404 (instrument_loop_bct): Likewise. Do not delete iteration count
11405 condition code generation insn. Initialize iteration count before
11407 * rtl.h (loop_optimize): Update prototype.
11409 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
11410 not doubleword aligned.
11412 * rs6000.c (optimization_options): New function.
11413 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
11414 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
11415 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
11416 first; cr1 can be used for FP record condition insns.
11418 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
11420 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
11423 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
11426 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
11428 (block_move_call): New function: Call a library routine to copy a
11430 (m32r_expand_block_move): New function: Expand a "movstrsi"
11431 pattern into a sequence of insns.
11432 (m32r_output_block_move): New function: Expand a
11433 "movstrsi_internal" pattern into a sequence of assembler opcodes.
11434 (m32r_block_immediate_operand): New function: Return true if the
11435 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
11437 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
11439 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
11440 re-align some code.
11441 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
11443 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11445 * regmove.c (copy_src_to_dest): Check that modes match.
11447 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
11449 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
11451 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
11453 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
11454 narrower than FLOAT_REGS.
11456 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
11458 * cpplib.c: Removed OLD_GPLUSPLUS_INCLUDE_DIR.
11459 * cccp.c: Likewise.
11460 * Makefile.in (old_gxx_include_dir): Removed.
11462 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
11464 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
11467 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
11468 (sh_handle_pragma): Change function arguments to match new
11469 specification for HANDLE_PRAGMA.
11471 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11473 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
11475 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
11476 When generating output, initialize missing struct member to zero.
11478 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11480 * regmove.c (copy_src_to_dest): Don't copy if that requires
11481 (a) new register(s).
11483 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
11485 * global.c (reg_allocno): Now static.
11486 * reload1.c (reg_allocno): Delete declaration.
11487 (order_regs_for_reload): Take no arguments. Don't treat regs
11488 allocated by global differently than those allocated by local-alloc.
11490 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
11492 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
11493 condition, fix format strings.
11494 (output_function_epilogue): Likewise.
11496 * m68k/m68k.c: Don't include <stdlib.h> directly.
11498 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
11500 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
11501 mem_first_set, mem_last_set; because 0 can be a CUID.
11502 (oprs_unchanged_p): Use new definition.
11503 (record_last_reg_set_info): Likewise.
11504 (record_last_mem_set_info): Likewise.
11505 (compute_hash_table): Likewise.
11507 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
11509 * rs6000.c (output_epilogue): Handle Chill.
11511 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
11512 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
11514 * combine.c (make_extraction): If no mode is specified for
11515 an operand of insv, extv, or extzv, default it to word_mode.
11516 (simplify_comparison): Similarly.
11517 * expmed.c (store_bit_field): Similarly.
11518 (extract_bit_field): Similarly.
11519 * function.c (fixup_var_regs_1): Similarly.
11520 * recog.c (validate_replace_rtx_1): Similarly.
11521 * mips.md (extv, extzv, insv expanders): Default modes for most
11522 operands. Handle TARGET_64BIT.
11523 (movdi_uld, movdi_usd): New patterns.
11525 * pa.c (emit_move_sequence): Do not replace a pseudo with its
11526 equivalent memory location unless we have been provided a scratch
11527 register. Similarly do not call find_replacement unless a
11528 scratch register has been provided.
11530 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
11532 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
11535 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
11537 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
11538 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
11539 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
11540 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
11541 * c-decl.c (init_decl_processing): Update accordingly.
11542 * expr.c (expand_builtin): Likewise.
11544 * rtl.h (global_rtl): Add cfa entry.
11545 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
11546 (LAST_VIRTUAL_REGISTER): Update.
11547 * emit-rtl.c (global_rtl): Add cfa entry.
11548 (init_emit): Initialize it.
11549 * function.c (cfa_offset): New.
11550 (instantiate_virtual_regs): Initialize it.
11551 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
11552 (expand_function_end): Call expand_eh_return.
11553 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
11555 * except.c (current_function_eh_stub_label): Kill.
11556 (current_function_eh_old_stub_label): Likwise; update all references.
11557 (expand_builtin_set_return_addr_reg): Kill.
11558 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
11559 (expand_builtin_set_eh_regs): Kill.
11560 (eh_regs): Produce a third reg for the actual handler address.
11561 (eh_return_context, eh_return_stack_adjust): New.
11562 (eh_return_handler, eh_return_stub_label): New.
11563 (init_eh_for_function): Initialize them.
11564 (expand_builtin_eh_return, expand_eh_return): New.
11565 * except.h: Update prototypes.
11566 * flow.c (find_basic_blocks_1): Update references to the stub label.
11567 * function.h (struct function): Kill stub label elements.
11569 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
11570 register number is one that would be in the previous window.
11571 Provide a dummy definition for non-windowed targets.
11572 (get_reg_addr): New function.
11573 (get_reg, put_reg, copy_reg): Use it.
11574 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
11575 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
11577 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
11578 (alpha_init_expanders): Initialize it.
11579 (alpha_expand_epilogue): Use it.
11580 * alpha.h: Declare it.
11581 * alpha.md (eh_epilogue): New.
11583 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
11584 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
11586 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
11588 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
11591 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
11593 * except.h (struct eh_entry): Add false_label field.
11594 (end_catch_handler): Add prototype.
11595 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
11596 (start_catch_handler): When using old style exceptions, issue
11597 runtime typematch code before continuing with the handler.
11598 (end_catch_handler): New function, generates label after handler
11599 if needed by older style exceptions.
11600 (expand_start_all_catch): No need to check for new style exceptions.
11601 (output_exception_table_entry): Only output the first handler label
11602 for old style exceptions.
11603 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
11604 mechanism into one function, if a runtime matcher is provided.
11606 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
11608 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
11610 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
11612 * integrate.c (copy_decl_list): Fix typo.
11614 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11616 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
11619 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
11621 * version.c: Bump for snapshot.
11623 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
11625 * version.c: Bump for snapshot.
11627 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
11629 * version.c: Bump for snapshot.
11631 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11633 * invoke.texi (C Dialect Options): Put back missing @end itemize.
11635 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
11637 * configure.in: Remove usage of `!' to negate the result of a
11638 command; some common shells do not support it.
11640 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11642 * configure.in: In sparc9-sol2 config, use 'if test' not
11644 * configure: Rebuilt.
11646 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
11648 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
11649 (CPP_CPU_DEFAULT_SPEC): Likewise.
11650 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
11651 for arch64 libfuncs.
11653 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
11656 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11658 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
11660 * collect2.c: Don't declare `sys_siglist' here.
11661 (my_strsignal): Prototype and define new function. Use it in
11662 place of `sys_siglist' hacks.
11664 * mips_tfile.c: Likewise.
11666 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
11667 (GCC_NEED_DECLARATIONS): Likewise.
11669 * system.h (strsignal): Prototype it, if necessary.
11670 (sys_siglist): Declare it, if necessary.
11672 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11674 * loop.c (move_movables): While removing insn sequences, preserve
11675 the next pointer of the most recently deleted insn when we skip
11678 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
11680 * objc/config-lang.in: Do not output the name of the selected
11681 thread file when building the front-end. The Makefile for the
11682 runtime library will do this.
11684 * objc/Make-lang.in: Do not build the runtime library or install
11685 the Objective C header files. The Makefile for the runtime
11686 library will do this.
11688 * objc/Makefile.in (all.indirect): Only build the front-end.
11689 (compiler): Rename to `frontend'.
11690 (obj-runtime): Remove target.
11691 (copy-headers): Likewise.
11692 (clean): No need to remove `libobjc.a' any longer.
11694 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
11696 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
11697 supported with -mcpu=xxx.
11699 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11701 * flow.c (mark_set_1): Recognize multi-register structure return
11702 values in CALL insns.
11703 (mark_used_regs): Likewise.
11704 (count_reg_sets_1): Likewise.
11705 (count_reg_references): Likewise.
11706 * rtlanal.c (note_stores): Likewise.
11707 (reg_overlap_mentioned_p): Likewise.
11708 * haifa-sched.c (check_live_1): Likewise.
11709 (update_live_1): Likewise.
11710 (sched_analyze_1): Likewise.
11711 (sched_note_set): Likewise.
11712 (birthing_insn_p): Likewise.
11713 (attach_deaths): Likewise.
11715 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
11717 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
11719 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
11721 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11723 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
11725 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11727 * configure.in: Add check for GAS subsection -1 support.
11728 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
11729 * configure config.in: Rebuilt.
11730 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
11731 SImode is subsection -1 works, else use DImode.
11732 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
11733 subsection -1 works.
11734 * config/sparc/sparc.c (sparc_output_addr_vec,
11735 sparc_output_addr_diff_vec): Use them if defined.
11737 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
11739 * tree.h (DECL_ORIGIN): New macro.
11740 * integrate.c (copy_and_set_decl_abstract_origin): New function.
11741 (copy_decl_list): Use it.
11742 (integrate_parm_decls): Likewise.
11743 (integrate_decl_tree): Likewise.
11744 * dwarf2out.c (decl_ultimate_origin): Simplify.
11745 * dwarfout.c (decl_ultimate_origin): Likewise.
11746 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
11747 (pushdecl): Likewise.
11749 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
11751 * config/rs6000/rs6000.c (output_epilog): Add Java support.
11753 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
11755 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
11757 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
11759 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
11760 empty or has a single entry.
11762 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
11763 before calling reg_to_stack.
11765 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
11767 * alpha.c (alphaev5_insn_pipe): Abort on default case.
11768 (alphaev5_next_group): Swallow CLOBBERs and USEs.
11770 * c-tree.h (warn_long_long): Declare it.
11772 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
11774 * emit-rtl.c (gen_lowpart_common): Disable optimization of
11775 initialized float-int union if the value is a NaN.
11777 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
11779 * c-lex.c (real_yylex): Don't warn about long long constants if
11780 we're allowing long long
11782 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
11784 * except.h (current_function_eh_stub_label): Declare.
11785 (current_function_eh_old_stub_label): Declare.
11786 * function.h (struct function): New members eh_stub_label and
11788 * except.c (current_function_eh_stub_label): New variable.
11789 (current_function_eh_old_stub_label): New variable.
11790 (init_eh_for_function): Clear them.
11791 (save_eh_status): Save them.
11792 (restore_eh_status): Restore them.
11793 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
11794 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
11795 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
11796 make an edge from the block that contains it to the block starting
11797 with the label if this label is one of the eh stub labels.
11798 If eh stub labels exist, show they are reachable from the last block
11801 * reload1.c (reload): Break out several subroutines and make some
11803 (calculate_needs_all_insns): New function, broken out of reload.
11804 (calculate_needs): Likewise.
11805 (find_reload_regs): Likewise.
11806 (find_group): Likewise.
11807 (find_tworeg_group): Likewise.
11808 (something_needs_reloads): New global variable, formerly in reload.
11809 (something_needs_elimination): Likewise.
11810 (caller_save_spill_class): Likewise.
11811 (caller_save_group_size): Likewise.
11812 (max_needs): Likewise.
11813 (group_size): Likewise.
11814 (max_groups): Likewise.
11815 (max_nongroups): Likewise.
11816 (group_mode): Likewise.
11817 (max_needs_insn): Likewise.
11818 (max_groups_insn): Likewise.
11819 (max_nongroups_insn): Likewise.
11820 (failure): Likewise.
11822 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
11824 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
11826 * loop.c (load_mems): Copy rtx for output mem.
11828 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
11830 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
11831 mips1 or mips2 either.
11833 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
11835 * pa.c (pa_reorg): New marking scheme for jumps inside switch
11837 (pa_adjust_insn_length): Update to work with new marking scheme
11838 for jumps inside switch tables.
11839 * pa.md (switch_jump): Remove pattern.
11840 (jump): Handle jumps inside jump tables.
11842 * Makefile.in (profile.o): Depend on insn-config.h
11844 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
11846 * iris6.h (DWARF2_UNWIND_INFO): Undef.
11848 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11850 Add preliminary native sparcv9 Solaris support.
11851 * configure.in: Recognize sparv9-*-solaris2*
11852 * configure: Rebuilt.
11853 * config.sub: Recognize sparcv9 just like sparc64.
11854 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
11855 config/sparc/sol2-cn.asm: Macroize so it can be shared between
11856 32-bit and 64-bit Solaris systems.
11857 * config/sparc/t-sol2: Assemble those with cpp.
11858 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
11859 (*TF*_LIBCALL): If ARCH64 use V9 names.
11860 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
11862 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11864 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
11865 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
11867 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
11869 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
11870 to Pmode if CASE_VECTOR_MODE is something else.
11872 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
11874 * prefix.c (update_path): Correctly handle cases where PATH is
11875 a substring of the builtin prefix, but specifies a different
11876 directory location.
11878 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
11880 * expr.c: Corrected comment about what MOVE_RATIO does.
11881 * config/alpha/alpha.h: Likewise.
11882 * config/1750a/1750a.h: Likewise.
11883 * config/clipper/clipper.h: Likewise.
11884 * config/i386/i386.h: Likewise.
11886 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
11888 * configure.in (m68k-next-nextstep3*): Use collect2.
11889 Similarly for x86 NeXT configurations.
11890 * configure: Rebuilt.
11892 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
11894 * configure.in: Don't assume srcdir is .../gcc.
11895 * configure: Rebuilt.
11897 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
11899 * global.c: Update comments.
11900 (global_alloc): Assign allocation-numbers
11901 even for registers allocated by local_alloc in case
11902 they are later spilled and retry_global_alloc is called.
11903 (mark_reg_store, mark_reg_clobber,
11904 mark_reg_conflicts, mark_reg_death): Always record a
11905 conflict with a pseudo register even if it has been
11906 assigned to a hard register.
11907 (dump_conflicts): Don't list pseudo registers already assigned to
11908 a hard register as needing to be allocated, but do list their
11910 * local-alloc.c: Update comment.
11912 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
11914 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
11915 * configure: Rebuilt.
11917 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
11919 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
11921 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
11922 for all targets that set -msoft-float.
11924 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11926 * toplev.c (print_switch_values): Make static to match prototype.
11928 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
11930 * configure.in: If we are unable to find the "gnatbind" program,
11931 then do not configure the ada subdir.
11932 * configure: Rebuilt.
11934 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
11936 * version.c: Bump for snapshot.
11938 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
11940 * version.c: Bump for snapshot.
11942 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11944 * Makefile.in (toplev.o): Depend on $(EXPR_H).
11945 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
11947 * gansidecl.h: Define ATTRIBUTE_NORETURN.
11949 * genattrtab.c: Have insn-attrtab.c include toplev.h.
11951 * genextract.c: Have insn-extract.c include toplev.h.
11953 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
11955 * toplev.c: Include expr.h.
11956 (really_sorry, fancy_abort): Remove prototypes.
11957 (set_target_switch): Add argument in prototype.
11958 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
11959 (v_really_sorry): Likewise.
11960 (print_version, print_single_switch, print_switch_values): Make
11961 static and add prototype arguments.
11962 (decl_printable_name): Add prototype arguments.
11963 (lang_expand_expr_t): New typedef.
11964 (lang_expand_expr): Declare as a lang_expand_expr_t.
11965 (incomplete_decl_finalize_hook): Add prototype argument.
11966 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
11967 (botch): Likewise for variable `s'.
11968 (rest_of_type_compilation): Mark variables `type' and `toplev'
11969 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
11970 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
11971 (display_help): Make variable `i' an `unsigned long'.
11972 (main): Remove unused parameter `envp'.
11973 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
11974 Cast -1 when comparing it with a `size_t'.
11976 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
11977 prototype with ATTRIBUTE_NORETURN.
11978 (fatal_insn_not_found, fatal_insn, really_sorry,
11979 push_float_handler, pop_float_handler): Add prototypes.
11980 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
11981 (do_abort, botch): Add prototypes.
11983 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
11985 * final.c (final): If a label is reached only from a single jump,
11986 call NOTICE_UPDATE_CC on the jump and its predecessor before
11987 emitting the insn after the label.
11989 * i386.h: Add AMD K6 support.
11990 Change TARGET_* macros to use table lookup.
11991 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
11992 (ADJUST_COST): Change definition to call function in i386.c.
11993 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
11994 * i386.c: Add AMD K6 support.
11995 Add constants for feature tests used by TARGET_* macros.
11996 (split_di): If before reload, call gen_lowpart and gen_highpart.
11997 (x86_adjust_cost): New function.
11998 (put_jump_code): New function.
11999 (print_operand): New codes 'D' and 'd'.
12000 * i386.md: New insn types. New insn attribute "memory".
12001 Redefine scheduling parameters to use new types and add AMD K6
12002 support. Explicitly set type of most insns.
12003 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
12004 Pro and K6 prefer movl $1,reg to incl reg.
12005 (adddi3, subdi3): Set cc_status.
12006 (DImode shift patterns): Change label counters from HOST_WIDE_INT
12007 to int; x86 can't have more than 2^31 DImode shifts per file.
12008 (setcc): Combine all setcc patterns. Allow writing memory.
12009 Combine all jump patterns using match_operator.
12010 (*bzero): Name pattern. Emit multiple stos instructions when that
12011 is faster than rep stos.
12012 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
12015 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
12017 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
12020 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
12022 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
12023 not whatever we're generating now.
12025 * alpha.c (set_frame_related_p, FRP): New.
12026 (alpha_expand_prologue): Mark frame related insns.
12027 (alpha_expand_epilogue): Likewise, but with a null FRP.
12028 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
12029 * alpha.md (exception_receiver): New.
12030 * alpha/crtbegin.asm (.eh_frame): New beginning.
12031 (__do_frame_setup, __do_frame_takedown): New.
12032 * alpha/crtend.asm (.eh_frame): New ending.
12033 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
12034 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
12035 (ASM_FILE_START): Don't emit .file for dwarf2.
12037 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
12038 * rtl.c (reg_note_name): Likewise.
12039 * rtl.texi (REG_NOTES): Likewise.
12040 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
12043 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
12045 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
12046 * i386.md (movsf, movdf, movxf): Validate memory address returned
12047 from force_const_mem. Kill useless REG_EQUAL setting code.
12049 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
12051 * m68k.md (zero_extendsidi2): Fix typo.
12053 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
12055 * configure.in: Removed references to the removed file.
12056 * config/xm-netbsd.h: Use ${cpu_type}/xm-netbsd.h for
12057 arm*-*-netbsd* and ns32k-*-netbsd*.
12058 * config/i386/xm-netbsd.h: Removed unnecessary file.
12059 * config/m68k/xm-netbsd.h: Likewise.
12060 * config/sparc/xm-netbsd.h: Likewise.
12061 * config/mips/xm-netbsd.h: Likewise.
12063 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
12065 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
12066 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
12068 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
12069 for exact section attributions.
12071 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
12073 * i386/crtdll.h (CPP_PREDEFINES): Define.
12075 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
12077 * m68k.md (5200 movqi): Do not allow byte sized memory references
12078 using address regs.
12079 * m68k.c (output_move_qimode): Do not use byte sized operations on
12082 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
12083 explicit rules for building. Similarly for alloca, vfprintf,
12084 choose-temp and mkstemp, getopt, getopt1, and obstack.
12085 (INCLUDES): Add $(srcdir)/../include.
12086 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
12087 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
12089 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
12091 * gcc.c (do_spec_1): [case 'o'] Account for
12092 lang_specific_extra_outfiles.
12093 (main): Correctly clear all slots in outfiles for
12094 lang_specific_extra_outfiles. Set input_file_number before
12095 calling lang_specific_pre_link.
12097 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
12099 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
12101 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12103 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
12105 (sparc_output_deferred_case_vectors): If no work to do, return.
12106 Fix thinko in Sept 1 change.
12108 1998-09-03 SL Baur <steve@altair.xemacs.org>
12110 * Makefile.in: Add semicolon in BISON definition for portability.
12112 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
12114 * config/nextstep.c (handle_pragma): Correct name of third
12117 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
12119 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
12120 * config/m32r/m32r.h: Make register 17 be fixed.
12121 * config/m32r/m32r.c: Use SImode for cc operations.
12123 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
12125 * invoke.texi (Warning Options): Add -Wnon-template-friend
12128 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
12130 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
12132 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@gnu.org>
12134 * rs6000.md (movsf): Disable explicit secondary-reload-like
12135 functionality if TARGET_POWERPC64.
12136 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
12139 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
12141 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
12142 and term.h from fixinc.wrap.
12144 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12146 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
12147 safe to include both string.h and strings.h together.
12148 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
12149 which headers to search for function declarations. Continue to
12150 prefer string.h over strings.h when both are not acceptable.
12152 * acconfig.h (STRING_WITH_STRINGS): Add stub.
12154 * configure.in: Call GCC_HEADER_STRING.
12156 * system.h: Test STRING_WITH_STRINGS when deciding which headers
12157 to include. Continue to prefer string.h over strings.h when both
12158 are not acceptable.
12160 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12162 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
12163 not assume top 32-bits of symbolic addresses are zero if
12166 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
12168 * ginclude/va-alpha.h: Protect entire second portion of the
12169 file against double inclusion.
12171 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
12173 Added support for the Boehm's garbage collector.
12174 * configure.in: Handle --enable-objc-gc.
12175 * configure: Rebuilt.
12176 * Makefile.in (CHECK_TARGETS): Add check-objc.
12177 (check-objc): New rule.
12178 * objc/Make-lang.in: Build a different Objective-C library that
12179 runs with the Boehm's collector.
12180 * objc/encoding.c (objc_round_acc_size_for_types): New function.
12181 * objc/encoding.c: Correctly compute the size of compound types in
12182 the presence of bitfields. Skip the variable name of the type if
12183 any. Added support for long long.
12184 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
12185 (_F_GCINVISIBLE): New mask.
12186 * objc/gc.c: New file. Compute the type memory mask associated with
12187 a class based on the runtime information.
12188 * objc/misc.c: Added the hooks that use the Boehm's collector
12189 allocation functions.
12190 * objc/objc-act.c (build_class_template): Generate a new class
12191 member (gc_object_type) to hold the class' type memory mask.
12192 (build_shared_structure_initializer): Initialize the new member to
12194 (encode_complete_bitfield): New function. Generate the new
12196 (encode_field_decl): Generate the new encoding only for the GNU
12198 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
12200 (class_get_gc_object_type): New function to mark a pointer instance
12201 variable as a weak pointer.
12202 * objc/objc-features.texi: New file.
12203 * objc/objc.h (gc_object_type): New class member.
12204 * objc/objects.c (class_create_instance): Create a typed memory
12205 object when compiled with Boehm's collector support.
12206 * objc/sendmsg.c (__objc_init_install_dtable): Call
12207 __objc_send_initialize instead of setting the initialize flag.
12208 (__objc_send_initialize): Call __objc_generate_gc_type_description
12209 to generate the class type memory mask. Rewrite the code that
12210 sends the +initialize so that it is called only once (bug report
12211 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
12212 * testsuite/objc: New testsuite for Objective-C type encoding.
12213 * testsuite/lib/objc-torture.exp: New file.
12214 * testsuite/lib/objc.exp: New file.
12216 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
12218 * jump.c (jump_optimize): In if/then/else transformations, add
12219 another call to modified_between_p for the jump insn.
12221 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
12223 * fix-header.c (symlink): Treat like readlink.
12225 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12227 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
12230 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
12232 * config/nextstep.h: Update HANDLE_PRAGMA macro.
12233 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
12234 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
12236 * config/nextstep.c (handle_pragma): Take three arguments, as per
12237 the new HANDLE_PRAGMA macro specification.
12238 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
12239 per the new HANDLE_PRAGMA macro specification.
12240 * config/i960/i960.c (process_pragma): Take three arguments, as
12241 per the new HANDLE_PRAGMA macro specification.
12243 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
12245 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
12246 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
12247 if unknown pragmas are encountered.
12248 (handle_sysv_pragma): Interpret return code from
12249 handle_pragma_token (). Return success/failure indication rather
12250 than next unprocessed character.
12251 (pragma_getc): New function: retrieves characters from the
12252 input stream. Defined when HANDLE_PRAGMA is enabled.
12253 (pragma_ungetc): New function: replaces characters back into the
12254 input stream. Defined when HANDLE_PRAGMA is enabled.
12256 * c-pragma.c (handle_pragma_token): Return success/failure status
12259 * c-pragma.h: Change prototype of handle_pragma_token().
12261 * varasm.c (handle_pragma_weak): Only create this function if
12262 HANDLE_PRAGMA_WEAK is defined.
12264 * c-common,c (decl_attributes): If defined call the expression
12265 contained within the INSERT_ATTRIBUTES macro before adding
12266 attributes to a decl.
12268 * tm.texi (HANDLE_PRAGMA): Document the new version of
12269 HANDLE_PRAGMA, which takes three arguments.
12270 (INSERT_ATTRIBUTES): Document this new macro.
12272 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
12273 new INSERT_ATTRIBUTES macro.
12275 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12277 * config/sparc/sparc.md (movdf): Only generate special RTL for
12278 LABEL_REFs when PIC.
12279 (move_label_di): Remove.
12280 (movdi_pic_label_ref, movdi_high_pic_label_ref,
12281 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
12282 references when PIC.
12283 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
12284 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
12285 output an .xword for all 64-bit cases.
12287 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12289 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
12290 alignment, use FUNCTION_BOUNDARY instead.
12291 (sparc_output_deferred_case_vectors): Likewise.
12293 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12295 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
12296 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
12298 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
12300 * alpha/va_list.h: New file.
12301 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
12303 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
12305 * NEWS: Add SCO Openserver and Unixware 7 notes.
12309 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
12311 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
12312 (record_constant_1): Handle RANGE_EXPR.
12314 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
12316 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
12317 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
12318 and NOTE_INSN_RANGE_END specially.
12319 (reemit_notes): Likewise.
12321 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12323 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
12324 (ultrasparc_sched_init): Remove unneeded &.
12326 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
12328 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
12329 for m68020-60, to prevent the use of fintrz.
12331 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
12333 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
12335 * Makefile.in: Likewise.
12336 * configure: Regenerated.
12338 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
12340 * configure.in (gxx_include_dir): Changed to
12341 '${prefix}/include/g++'-${libstdcxx_interface}.
12342 * configure: Rebuilt.
12344 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
12346 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
12348 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
12349 *sequences* *below* which scalar moves will be used.
12351 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
12353 * collect2.c (mktemp): Delete unused declaration.
12355 * config/xm-netbsd.h: Remove unnecessary file.
12356 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
12357 file anymore, it is not needed.
12359 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
12361 * convert.c (convert_to_integer): Issue an error on conversions to
12364 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
12366 * Makefile.in: Add lang_tree_files and gencheck.h.
12367 * configure.in: Generate them.
12368 * gencheck.c: Include gencheck.h.
12370 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12372 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
12373 movdi_lo_sum_pic and movdi_high_pic and make visible.
12374 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
12375 emit these when Pmode is not SImode.
12376 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
12378 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
12380 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
12381 .linkonce directive after the first time.
12383 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
12385 * m68k.md (beq0_di): Generate correct (and more efficient) code when
12386 the clobbered operand overlaps with an input.
12387 (bne0_di): Similarly.
12389 * Makefile.in (INSTALL): Remove "--no-header" argument.
12391 * NEWS: Various updates.
12393 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12395 * config/sparc/sparc.c (arith_operand, const64_operand,
12396 const64_high_operand, arith_double_4096_operand): Mark mode as
12398 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
12400 (sparc_emit_set_const64): Remove unused variable i.
12401 (sparc_splitdi_legitimate): Likewise for addr_part.
12402 (ultra_code_from_mask): Likewise for mask.
12403 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
12404 reverse return values so it matches usage and comments.
12405 (ultra_flush_pipeline): Likewise.
12406 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
12407 this_type, and allow loads and stores of differing FP modes as
12408 they do not create a conflict.
12409 (ultra_find_type): Initialize fpmode to SFmode, fix
12410 parenthesization thinkos in large conditional.
12411 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
12412 Init free_slot_mask after ultra_cur_hist is reset, not before.
12413 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
12414 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
12415 use ultra_flush_pipeline instead, then re-init group pointer.
12416 Fix statement with no effect. If no progress made in, and no
12417 instructions scheduled at all, advance to new pipeline cycle else
12418 we get into an endless loop.
12419 (ultrasparc_adjust_cost): Remove previous arg.
12420 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
12422 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
12424 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
12425 code. Use reg_overlap_mentioned_p to detect when source and
12426 destination overlap.
12427 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
12429 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
12431 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
12432 COMPARISON_VAL, into invariant_p.
12434 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12436 * regmove.c (regclass_compatible_p): New function.
12437 (regmove_optimize): Use it.
12439 Use NREGS parameter instead of calling max_reg_num.
12441 (fixup_match_1): Don't use code = MINUS when later tieing with
12442 a hard register is likely.
12444 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12446 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
12447 COMPARISON_VAL was normalized.
12449 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
12451 * loop.c (check_dbra_loop): The loop ending comparison value
12452 must be an invariant or we can not reverse the loop.
12454 * loop.c (scan_loop): Count down from max_reg_num - 1 to
12455 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
12457 (load_mems_and_recount_loop_regs_set): Likewise.
12459 * i386.c (print_operand): Remove obsolete 'c' docs.
12461 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
12463 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
12464 * frame.c (init_object_mutex): New function.
12465 (init_object_mutex_once): Likewise.
12466 (find_fde): Call it.
12467 (__register_frame_info): Likewise.
12468 (__register_frame_info_table): Likewise.
12469 (__deregister_frame_info): Likewise.
12471 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
12473 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
12475 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12477 * loop.c (check_dbra_loop): Enable code for reversal
12478 of some loops without a known constant loop end.
12480 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
12482 * haifa-sched.c (last_clock_var): New.
12483 (schedule_block): Initialize it.
12484 (schedule_insn): Use it to fill insn modes with issue information.
12486 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
12487 Tag trapb and next insn with TImode.
12488 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
12489 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
12490 Invoke alphaev5_align_insns as appropriate.
12491 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
12492 (MD_SCHED_VARIABLE_ISSUE): New.
12493 * alpha.md (attr type): Add multi.
12494 (define_asm_attributes): New.
12495 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
12496 (arg_home): Likewise.
12497 (fnop, unop, realign): New.
12499 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
12501 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
12502 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
12504 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
12505 (rs6000-ibm-aix4.[12]*): Likewise.
12506 * configure: Regenerate.
12508 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
12510 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
12511 already contains the return address.
12513 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
12515 * calls.c (expand_call): Use bitfield instructions to extract/deposit
12516 word sized hunks when loading unaligned args into registers.
12518 * haifa-sched.c (sched_analyze_insn): Only create scheduling
12519 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
12521 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
12523 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12525 * loop.c (check_dbra_loop): Add some code that would allow reversal
12526 of some loops without a known constant loop end if it were enabled.
12528 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
12530 * mips.md (lshrsi3_internal2+2): Fix type-o.
12532 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12534 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
12535 correctly with regards to stdio.h.
12537 * calls.c: Remove stdarg.h/varargs.h.
12538 * cccp.c: Likewise.
12539 * cexp.y: Likewise.
12540 * combine.c: Likewise.
12541 * cpperror.c: Likewise.
12542 * cpplib.c: Likewise.
12543 * cpplib.h: Likewise.
12544 * doprint.c: Likewise.
12545 * emit-rtl.c: Likewise.
12546 * final.c: Likewise.
12547 * fix-header.c: Likewise.
12549 * genattr.c: Likewise.
12550 * genattrtab.c: Likewise.
12551 * gencodes.c: Likewise.
12552 * genconfig.c: Likewise.
12553 * genemit.c: Likewise.
12554 * genextract.c: Likewise.
12555 * genflags.c: Likewise.
12556 * genopinit.c: Likewise.
12557 * genoutput.c: Likewise.
12558 * genpeep.c: Likewise.
12559 * genrecog.c: Likewise.
12560 * mips-tfile.c: Likewise.
12561 * prefix.c: Likewise.
12562 * protoize.c: Likewise.
12563 * regmove.c: Likewise.
12564 * toplev.c: Likewise.
12565 * tree.c: Likewise.
12567 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
12569 * config/sparc/sparc.c (sparc_override_options): If not
12570 TARGET_FPU, turn off TARGET_VIS.
12571 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
12572 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
12573 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
12574 (movdi_insn_sp64): Add VIS fzero alternative.
12575 (clear_sf, clear_df): New VIS patterns.
12576 (movsf, movdf expanders): Allow fp_zero_operand flat out when
12578 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
12580 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
12582 * loop.c (n_times_set, n_times_used, may_not_optimize,
12583 reg_single_usage): Convert to varrays. All uses changed.
12584 (insert_loop_mem): Return a value.
12585 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
12586 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
12589 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
12592 * configure.in: Do not set thread_file to "irix" since no such
12593 support exists yet.
12595 * sparc.md (float abs/neg splits): Check reload_completed before
12596 calling alter_subreg.
12598 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12600 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
12602 * config/sparc/sparc.h: Declare it.
12603 * config/sparc/sparc.md (float abs/neg splits): Use it.
12604 (all other splits): Handle SUBREGs properly where necessary.
12605 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
12607 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
12609 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
12610 an insn on the unfilled_slots_list that has no delay slots.
12611 (fill_eager_delay_slots): Similarly.
12613 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
12615 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
12616 as an ordinary operand.
12618 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
12620 * tree.c (valid_machine_attribute): Don't apply attributes to both
12623 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
12625 * reload.c (operands_match_p): Handle rtvecs.
12627 * i386.c (legitimate_pic_address_disp_p): New.
12628 (legitimate_address_p): Use it.
12629 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
12630 Handle constant pool symbols just like statics.
12631 (emit_pic_move): Use Pmode not SImode for clarity.
12632 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
12633 [UNSPEC]: New, handling what we killed above.
12634 [PLUS]: Detect and abort on invalid symbol arithmetic.
12635 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
12637 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
12639 * alias.c: Include output.h.
12640 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
12641 different if we're in a varargs function.
12642 * Makefile.in (alias.o): Depend on output.h
12644 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12646 * sh.h (GIV_SORT_CRITERION): Delete.
12648 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
12650 * regclass.c (regclass): Use xmalloc/free instead of alloca.
12651 * stupid.c (stupid_life_analysis): Likewise.
12652 * reload1.c (reload): Likewise.
12654 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
12656 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
12657 arith_double_4096_operand, arith_double_add_operand): New
12659 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
12660 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
12661 them to transform add/sub 4096 into add/sub -4096.
12663 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12665 * loop.c (scan_loop): Allocate some slop to handle pseudos
12666 generated by move_movables.
12667 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
12670 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
12672 * tree.def (DECL_RESULT): Correct documentation.
12674 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12676 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
12677 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
12678 conflicts will all RELOAD_FOR_OUTPUT reloads.
12680 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
12681 loads the function result, substitute with a USE.
12683 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@gnu.org>
12685 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
12686 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
12687 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
12688 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
12689 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
12690 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
12692 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
12693 'o' to 'm' for GPR variant constraints.
12695 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
12697 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
12699 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
12701 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
12702 when the source and destination overlap.
12704 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
12705 clash with global type.
12707 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
12709 * fixinc.irix: Add curses.h handling from fixinc.wrap.
12711 * c-common.c (combine_strings): Also set TREE_READONLY.
12712 Change warn_write_strings to flag_const_strings.
12713 * c-decl.c, c-tree.h: Likewise.
12715 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12717 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
12718 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
12719 sequence, use SET/IOR instead so CSE can see it.
12720 * config/sparc/sparc.md (movhi_const64_special,
12721 movsi_const64_special): New patterns necessitated by that change.
12722 (movhi_high): Remove.
12723 (movhi_lo_sum): Change to match an IOR.
12724 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
12725 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
12726 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
12727 (movdf splits): Allow when not V9 or when not ARCH64 and integer
12728 registers are involved.
12729 (snesi_zero_extend split): Remove reload_completed test.
12730 (unnamed plus and minus zero_extend sidi splits): Add it.
12732 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
12734 * extend.texi: Remove description of extension to explicit
12735 instantiation that is now endorsed by standard C++.
12737 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12739 * config/arc/arc.c (arc_initialize_pic): Remove.
12740 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
12741 nothing on any platform and is invoked by no-one, it does not even
12742 appear in the documentation.
12743 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
12744 * config/sparc/sparc.c (initialize_pic): Likewise.
12745 (find_addr_reg): Remove this as well, no longer referenced after
12748 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
12750 * recog.c (validate_replace_rtx_group): New function.
12751 * recog.h (validate_replace_rtx_group): Declare it.
12752 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
12753 the entire group of substitutions.
12755 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
12757 * loop.c (load_mems): Fix initializers.
12759 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12761 * config/sparc/sparc.md (TFmode splits): Handle destination
12762 registers being referenced in the address correctly.
12764 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
12765 TREE_UNSIGNED, when bitsize of type's mode is larger than
12766 HOST_BITS_PER_WIDE_INT.
12768 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
12770 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
12771 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
12772 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
12774 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
12777 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
12779 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
12780 * h8300.h (TINY_DATA_NAME_P): Likewise.
12781 (STRIP_NAME_ENCODING): Handle '&'.
12783 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
12784 register (it could be accessed via an outer SUBREG).
12785 (REG_OK_FOR_BASE_P): Likewise.
12786 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
12788 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
12791 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
12793 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12795 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
12796 must be offsettable so the splits can be made.
12798 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
12800 * config/i386/winnt.c: Include system.h, not stdio.h to get
12801 sys/param.h pulled in before rtl.h in case the system defines MIN
12804 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@gnu.org>
12806 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
12808 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
12810 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
12812 * cpplib.c (cpp_define): Handle macros with parameters.
12814 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@gnu.org>
12816 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
12817 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
12818 and DImode 64-bit. Use llong for minimal-toc SFmode and
12819 SYMBOL_REF / LABEL_REF 64-bit.
12820 (output_function_profiler): Use llong for profiler label and ld to
12821 load 64-bit label address.
12823 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
12825 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
12828 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
12830 * version.c: Bump for snapshot.
12832 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
12834 * version.c: Bump for snapshot.
12836 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
12838 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
12840 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
12842 * tm.texi (Misc): Fix typo "teh".
12844 * tm.texi (PIC): Fix typo "PPIC".
12846 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
12847 effect when -O2 and higher.
12848 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
12850 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
12852 * regclass.c: Changed register set documentation to be consistent
12855 * final.c (final_start_function) Removed redundant test for
12858 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
12860 * rtl.h (rtx_function): New type.
12861 (for_each_rtx): New function.
12862 * rtlanal.c (for_each_rtx): Define it.
12864 * recog.c (change_t): New type.
12865 (change_objects, change_old_codes, change_locs, change_olds):
12867 (changes): New variable.
12868 (validate_change): Dynamically allocate room for more changes, if
12869 necessary. Uses changes array instead of change_objects, etc.
12870 (apply_change_group): Use changes array instead of
12871 change_objects, etc.
12873 * loop.c (loop_mem_info): New type.
12874 (loop_mems): New variable.
12875 (loop_mems_idx): Likewise.
12876 (looop_mems_allocated): Likewise.
12877 (scan_loop): Remove nregs parameter.
12878 (next_insn_in_loop): New function.
12879 (load_mems_and_recount_loop_regs_set): Likewise.
12880 (load_mems): Likewise.
12881 (insert_loop_mem): Likewise.
12882 (replace_loop_mem): Likewise.
12883 (replace_label): Likewise.
12884 (INSN_IN_RANGE_P): New macro.
12885 (loop_optimize): Don't pass max_reg_num() to scan_loop.
12886 (scan_loop): Remove nregs parameter, compute it after any new
12887 registers are created by load_mems. Use INSN_IN_RANGE_P and
12888 next_insn_in_loop rather than expanding them inline. Call
12889 load_mems to load memory into pseudos, if appropriate.
12890 (prescan_loop): Figure out whether or not there are jumps from the
12891 loop to targets other than the label immediately following the
12892 loop. Call insert_loop_mem to notice all the MEMs used in the
12893 loop, if it could be safe to pull MEMs into REGs for the duration
12895 (strength_reduce): Use next_insn_in_loop. Tweak comments.
12897 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
12899 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
12901 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12903 * config/sparc/sparc.c (finalize_pic): Check for the correct
12904 nonlocal_goto_receiver UNSPEC number.
12905 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
12906 making note of this dependency existing in sparc.c.
12907 (negtf2_notv9 split): Give NEG SFmode.
12908 (negsf2): Fix insn output string.
12910 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
12912 * c-common.c (decl_attributes): Issue an error if the argument
12913 to alias is not a string.
12915 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
12917 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
12918 pending memory flush list.
12920 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
12922 (try_combine): Allow combining insns with REG_LIBCALL notes.
12924 * expr.c (emit_block_move): Do not call memcpy as a libcall
12925 instead build up a CALL_EXPR and call it like any other
12927 (clear_storage): Similarly for memset.
12929 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
12932 * Makefile.in (cplus-dem.o): Provide explicit rules for building
12935 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
12936 and REG_LIVE_LENGTH as successful substitutions are made.
12938 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12940 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
12941 statement after end of loop label.
12943 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12945 * config/sparc/sparc.c (ultra_types_avail): New variable.
12946 (ultra_build_types_avail): New function to record mask of insn
12947 types in ready list at this cycle.
12948 (ultrasparc_sched_reorder): Call it.
12949 (ultra_find_type): Use it to quicken the search. Also simplif
12950 dependency check, don't use rtx_equal_p because we know exactly
12951 what we are looking for.
12953 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
12955 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
12956 for architecture v4.
12958 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12960 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
12962 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
12963 movdf_const_intreg and helper splits): New patterns to move float
12964 constants into integer registers.
12965 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
12968 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
12971 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
12973 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
12975 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
12976 a BASE_REGS register is needed as an intermediate when copying
12977 a symbolic value into any register class other than BASE_REGS.
12979 * expr.c (move_by_pieces): No longer static. Remove prototype.
12980 * rtl.h (move_by_pieces): Add extern prototype.
12981 * mips.c (expand_block_move): Handle aligned straight line copy by
12982 calling move_by_pieces.
12984 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
12987 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
12989 * stmt.c (expand_end_loop): Tidy. Allow unconditional
12990 jumps out of the loop to be treated as part of the exit test.
12992 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12993 Jeff Law <law@cygnus.com>
12995 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
12996 * cplus-dem.c: Delete.
12998 * Makefile.in (fold-const.o): Depend on $(RTL_H).
13000 * fold-const.c: Include rtl.h to get the prototype for
13001 `set_identifier_local_value'.
13003 * loop.c (express_from_1): Remove unused variable `tmp'.
13004 (combine_givs): Cast the first argument of bzero to char *.
13006 * toplev.c (display_help): Remove unused variable `looking_for_start'.
13008 * c-decl.c (init_decl_processing): Remove unneeded &.
13010 * alpha.h (alpha_initialize_trampoline): Provide prototype.
13012 * except.c (set_exception_lang_code, set_exception_version_code):
13013 Change parameter from `short' to `int' to avoid using a gcc
13016 * except.h (set_exception_lang_code, set_exception_version_code):
13017 Likewise for prototypes.
13019 * flow.c (count_reg_references): Remove unused variables `regno'
13022 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
13024 * prefix.c (translate_name): Cast the result of `alloca'.
13026 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
13028 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
13030 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
13031 Include "toplev.h".
13032 (valid_dbcc_comparison_p): Mark mode argument as unused.
13033 (symbolic_operand): Likewise.
13034 (legitimize_pic_address): Likewise.
13035 (const_uint32_operand): Likewise.
13036 (const_sint32_operand): Likewise.
13037 * sched.c [!INSN_SCHEDULING]: Define only dummy function
13038 schedule_insns and comment out rest of file.
13040 * m68k.c (output_move_simode_const): Use subl to move a zero into an
13042 (output_move_[hq]imode): Likewise.
13044 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
13046 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
13047 * invoke.texi: Corresponding changes.
13049 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
13051 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
13053 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13055 * config/sparc/sparc.c (ultra_code_from_mask,
13056 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
13057 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
13058 ultrasparc_sched_init, ultrasparc_variable_issue,
13059 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
13060 functions to describe UltraSPARC pipeline exactly to Haifa.
13061 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
13062 as there is nothing the scheduler can do about it. Indicate that
13063 REG_DEP_OUTPUT's collide. Fixup formatting.
13064 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
13065 divide costs on Ultra for DImode.
13066 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
13068 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
13069 ieuN and add call_no_delay_slot to type list.
13070 (cti function unit): New unit for branches on UltraSPARC.
13071 (subx/addx insns): Set type to misc.
13072 (sidi zero/sign extension insns on arch64): Set type to shift.
13073 (sign_extendhidi2_insn): Set type to sload.
13075 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@gnu.org>
13077 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
13078 (output_epilog): Use if != 0 for offset.
13079 (rs6000_fatal_bad_address): Prepare for Intl.
13080 * rs6000.h (rs6000_fatal_bad_address): Declare.
13081 * rs6000.md (movsfcc, movdfcc): Use else if.
13082 (elf_high): Use {liu|lis}.
13083 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
13084 (movsi): Use rs6000_fatal_bad_address.
13086 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
13088 * reload.c (find_equiv_reg): Reject equivalences separated
13089 by a volatile instruction.
13091 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13093 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
13095 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
13097 * alpha.md (movsicc): Fix mode mismatch.
13099 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
13101 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
13103 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
13105 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13107 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
13108 write-only modifier from operand 1 constraint.
13110 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13112 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
13113 emitting a XOR of -1 at the end, emit a NOT instead for combine's
13115 (sparc_emit_set_const64): Likewise, also when computing trailing
13116 bits do not negate low_bits and make fast_int an int.
13118 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
13120 * loop.c (add_label_notes): Do not ignore references to labels
13121 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
13122 * gcse.c (add_label_notes): Similarly.
13124 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
13126 * m68k.md (adddi_dilshr32): One of the operands must be a register.
13127 (adddi_dishl32): Similarly.
13129 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
13131 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
13132 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
13133 * cse.c (cse_basic_block): Add parens to shut up warnings.
13135 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13137 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
13138 sparc_emit_set_const64_longway, const64_is_2insns,
13139 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
13140 in 64-bit constant formation.
13141 * config/sparc/sparc.md (snesi_zero_extend split): Generate
13142 rtl for addx not subx.
13143 (define_insn movdi_const64_special): Make available even when
13144 HOST_BITS_PER_WIDE_INT is not 64.
13145 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
13146 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
13147 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
13148 instances of operand 1 inside a QI subreg.
13149 (xordi3_sp64_dbl): Remove '%' constraint for op1.
13150 (one_cmpldi2_sp64): Fix output string.
13151 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
13153 (unnamed arch64 ashift DI): Truncate shift count if greater than
13156 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
13158 * expr.c (store_expr): Don't optimize away load-store pair
13159 when either source or destination have a side effect.
13161 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
13163 * genrecog.c (add_to_sequence): Fatal error if the modes of the
13164 operands of SET are incompatible.
13166 * alpha.md: Fix max and min patterns so modes of SET operands match.
13168 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
13170 * configure.in: Avoid [[ by using test and changequote.
13171 * configure: Rebuild.
13173 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13175 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
13177 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
13178 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
13179 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
13180 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
13181 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
13182 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
13183 Fix mismatching modes in SET operands.
13184 (conditional move patterns): Fix formatting.
13185 (unnamed subx arch64 pattern): Remove duplicate insn.
13187 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13189 * config/sparc/sparc.c (const64_operand, const64_high_operand):
13190 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
13191 (input_operand): Fixup test for what we accept for constant
13193 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
13195 (safe_constDI): Remove.
13196 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
13197 gen_safe_XOR64): New functions.
13198 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
13199 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
13201 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
13202 available when HOST_BITS_PER_WIDE_INT is not 64.
13203 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
13204 move before movdi_insn_sp64 pattern.
13205 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
13206 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
13207 symbolic_operand as predicate for second operand.
13208 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
13209 expander): Give set VOIDmode.
13211 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
13213 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
13215 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
13217 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
13219 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
13221 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
13223 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
13225 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
13227 * install.texi: Various SCO OpenServer tweaks.
13229 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
13231 * reload1.c (eliminate_regs_in_insn): Handle another case when
13232 eliminating the frame pointer to the hard frame pointer. Add
13233 missing ep->to_rtx check to one existing case.
13235 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
13237 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
13239 * tree.h: De-conditionalize init_priority code.
13241 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
13242 * collect2.c (NM_FLAGS): Change from -p to -n.
13244 * configure.in: Turn on collect2 for mipstx39-elf.
13245 Handle use_collect2=no properly.
13247 * c-common.c: De-conditionalize init_priority code.
13248 * collect2.c (extract_init_priority, sort_ids): New fns.
13249 (main): Call sort_ids.
13250 Move sequence_number to file scope.
13252 * configure.in: Handle --enable-init-priority.
13253 * c-common.c (attrs): Add A_INIT_PRIORITY.
13254 (init_attributes, decl_attributes): Likewise.
13255 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
13256 * tree.c (get_file_function_name_long): Split out...
13257 (get_file_function_name): ...from here.
13259 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
13261 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
13264 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
13266 * toplev.c (display_help): Add braces to shut up warnings.
13267 * tree.c (simple_cst_equal): Likewise.
13269 * fold-const.c (non_lvalue): Don't deal with null pointer
13271 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
13273 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
13274 of any size to a pointer.
13276 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
13278 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
13280 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
13282 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
13283 which will be saved.
13284 * mn10300.md (prologue insn): Only save registers which need saving.
13285 (epilogue insn): Similarly.
13287 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
13290 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
13292 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
13293 VAR_DECL's in gp addressable sections.
13295 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
13297 * sparc.c: Change return <exp> to <exp>; return; in functions
13299 * sparc.md: Add empty semicolon statement after final label in
13302 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13304 * config/sparc/sparc.md (define_insn addx_extend): Rename to
13305 addx_extend_sp64, only allow when TARGET_ARCH64.
13306 (define_insn addx_extend_sp32 and split): Version that works when
13308 (define_insn subx_extend): Likewise.
13309 (define_split adddi3 and subdi3 with zero extension): Fixup and
13310 correct bugs when not TARGET_ARCH64.
13312 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
13314 * except.c (set_exception_lang_code, set_exception_version_code):
13315 Use prototype-style definition if __STDC__, to match declaration
13318 * genemit.c: Change FAIL and DONE macros not to use loops.
13320 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
13322 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
13323 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
13325 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
13327 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
13329 * README.g77: Update from Craig.
13331 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13333 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
13334 type HOST_WIDE_INT.
13335 (safe_constDI sparc_emit_set_const64_quick1,
13336 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
13337 analyze_64bit_constant, const64_is_2insns,
13338 create_simple_focus_bits): Fix some bugs when compiled on real
13340 (function_arg_record_value_3, function_arg_record_value_2,
13341 function_arg_record_value): Add fully prototyped forward decls.
13342 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
13343 to cmpsi_insn and use on both 64 and 32 bit targets.
13344 (define_insn cmpsi_insn_sp64): Remove.
13345 (define_expand zero_extendsidi2): Allow for 32-bit target too.
13346 (define_insn zero_extendsidi2_insn): Rename to
13347 zero_extendsidi2_insn_sp64.
13348 (define_insn zero_extendsidi2_insn_sp32): New pattern and
13349 associated forced split for it.
13351 * config/sparc/sparc.c (const64_operand, const64_high_operand):
13353 * config/sparc/sparc.h: Declare them.
13354 (PREDICATE_CODES): Add them.
13355 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
13356 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
13358 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
13360 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
13361 in v9 case as the latter makes the Solaris assembler crash.
13363 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13365 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
13366 for TFmode when !v9. We require offsettable memory addresses.
13367 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
13368 DFmode register number conversions.
13369 * config/sparc/sparc.md (define_split DFmode moves): If register
13370 is a SUBREG do alter_subreg on it before using.
13371 (define_expand movtf): Fixup comment about alignment on v9.
13372 (define_split TFmode moves): Don't use gen_{high,low}part, create
13373 explicit SUBREGs instead.
13375 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
13377 * Makefile.in (mbchar.o): Depend on mbchar.c.
13379 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13380 Richard Henderson <rth@cygnus.com>
13382 Rewrite Sparc backend for better code generation and
13383 improved sparc64 support.
13384 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
13386 * config/sparc/sysv4.h: Likewise.
13387 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
13388 move_operand, v8plus_regcmp_op, emit_move_sequence,
13389 singlemove_string, doublemove_string, mem_aligned_8,
13390 output_move_double, output_move_quad, output_fp_move_double,
13391 move_quad_direction, output_fp_move_quad, output_scc_insn):
13393 (small_int_or_double): New predicate.
13394 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
13395 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
13396 old pic_{sethi,lo_sum}_si patterns.
13397 (mem_min_alignment): New generic function to replace
13398 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
13399 available and can test for arbitrary alignments. All callers
13401 (save_regs, restore_regs, build_big_number,
13402 output_function_prologue, output_cbranch, output_return,
13403 sparc_flat_save_restore, sparc_flat_output_function_prologue,
13404 sparc_flat_output_function_epilogue): Prettify
13406 (output_function_epilogue): Likewise and add code to output
13407 deferred case vectors.
13408 (output_v9branch): Likewise, add new arg INSN and use it to tack
13409 on branch prediction settings. All callers changed.
13410 (print_operand): Likewise and output %l44 for LO_SUMs when
13412 (sparc_splitdi_legitimate): New function to make sure DImode
13413 splits can be run properly when !arch64.
13414 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
13415 Reformat example code in comments.
13416 (set_extends): Remove UNSPEC/v8plus_clear_high case.
13417 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
13418 of deferred case vectors we need to output.
13419 (sparc_defer_case_vector): Record a case vector.
13420 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
13421 sparc_output_deferred_case_vectors): New functions to output them.
13422 (sparc_emit_set_const32): New function to form 32-bit constants in
13423 registers when that requires more than one instruction.
13424 (safe_constDI, sparc_emit_set_const64_quick1,
13425 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
13426 analyze_64bit_constant, const64_is_2insns,
13427 create_simple_focus_bits, sparc_emit_set_const64): New functions
13428 which do the same for 64-bit constants when arch64.
13429 (sparc_emit_set_symbolic_const64): New function to emit address
13430 loading for all code models on v9.
13431 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
13432 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
13433 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
13434 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
13435 inaccuracies in comments, add symbolic and text_segment operands
13436 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
13437 GENERAL_REGS in these cases as a temp REG is needed to load these
13438 addresses into a register properly.
13439 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
13441 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
13442 quads are guaranteed to have 16-byte alignment.
13443 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
13444 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
13445 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
13446 deferred case vector implementation.
13447 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
13448 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
13449 Generate "internal label - label" instead of "label - 1b".
13450 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
13451 (PREDICATE_CODES): Remove sparc_operand, move_operand,
13452 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
13454 (doublemove_string, output_block_move, output_fp_move_double,
13455 output_fp_move_quad, output_move_double, output_move_quad,
13456 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
13457 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
13458 (sparc_emit_set_const32, sparc_emit_set_const64,
13459 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
13460 mem_min_alignment, small_int_or_double): Add externs.
13461 * config/sparc/sparc.md: Document the many uses of UNSPEC and
13462 UNSPEC_VOLATILE in this backend.
13463 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
13464 unary to types which execute in it.
13465 (define_function_unit ieu_shift): Rename to ieu0.
13466 (define_function_unit ieu1): New, executes compare, call, and
13467 uncond_branch type insns.
13468 (define_function_units for type fdivs, fdivd, fsqrt): These
13469 execute in the fpu multiply unit not the adder on UltraSparc.
13470 (define_expand cmpdi): Disallow TARGET_V8PLUS.
13471 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
13472 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
13473 allows the arith_double_operand predicate and rHI constraint when
13475 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
13476 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
13477 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
13478 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
13479 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
13480 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
13481 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
13482 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
13483 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
13484 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
13485 sign_extendqihi2_insn, sign_extendqisi2_insn,
13486 sign_extendqidi2_insn, sign_extendhidi2_insn,
13487 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
13488 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
13489 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
13490 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
13491 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
13492 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
13493 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
13494 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
13495 smulsi3_highpart_v8plus, unnamed subreg mult,
13496 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
13497 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
13498 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
13499 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
13500 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
13501 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
13502 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
13503 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
13504 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
13505 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
13506 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
13507 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
13508 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
13509 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
13510 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
13511 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
13512 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
13513 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
13514 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
13515 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
13516 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
13517 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
13518 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
13519 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
13520 call_address_untyped_struct_value_sp32,
13521 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
13522 call_value_symbolic_sp32, call_value_address_sp64,
13523 call_value_symbolic_sp64, branch_sp32, branch_sp64,
13524 flush_register_windows, goto_handler_and_restore,
13525 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
13526 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
13527 return_addsi, return_di, return_adddi, return_sf, all call+jump
13528 peepholes, trap, unnamed trap insns): Prettify output strings.
13529 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
13530 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
13531 Likewise and force + implement splits for integer cases.
13532 (define_insn return_sf_no_fpu): Likewise and allow to match when
13533 no-fpu because of our subreg SFmode splits.
13534 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
13535 zero_extendqidi2_insn, zero_extendhidi2_insn,
13536 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
13537 input_operand for second operand.
13538 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
13539 reg_or_0_operand for operand 2 so new splits can use it.
13540 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
13541 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
13543 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
13544 CONST_DOUBLEs for operand 2.
13545 (define_insn move_label_di): Likewise and label distance
13546 optimization because it no longer works with new deferred case
13547 vector scheme. To be revisited.
13548 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
13549 and allow reg_or_0_operand and J constraint for second operand.
13550 (define_insn jump): Set branch predict taken on V9.
13551 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
13552 new deferred case vector scheme.
13553 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
13554 (define_insn negdi2_sp32): Force + implement splits.
13555 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
13556 one_cmplsi2_not_liveg0 respectively, and create expander of original
13557 names which emit special rtl for TARGET_LIVE_G0.
13558 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
13559 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
13560 gen_compare_reg, FAIL instead.
13561 (define_insn sgtu, sleu): Likewise and check gen_s*() return
13562 values when trying to reverse condition codes, if they FAIL then
13564 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
13565 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
13566 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
13567 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
13568 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
13569 set output string to # to indicate they are mandatory splits.
13570 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
13571 pic_sethi_di, move_pic_label_si): Remove.
13572 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
13573 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
13575 (define_expand movsi_pic_label_ref, define_insn
13576 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
13577 expander and insns to handle PIC label references and deferred
13579 (define_insn get_pc_via_rdpc): Comment out as it is no longer
13581 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
13582 Rewrite to not use emit_move_sequence, make use of new constant
13583 formation code, and new splits for all multi-insn cases.
13584 (define_insn movqi_insn): Remove sethi case, it can never happen.
13585 Use reg_or_zero_operand instead of const0_rtx explicit test,
13586 use input_operand instead of move_operand for source, and use
13587 general_operand now for dest.
13588 (define_insn movhi_insn): Similar but leave sethi case.
13589 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
13590 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
13591 movhi_lo_sum respectively, prettify output string.
13592 (define_insn movsi_zero_liveg0): New pattern to put zero into a
13593 register when needed on TARGET_LIVE_G0.
13594 (define_insn movsi_insn): Use general_operand and input_operand
13595 for dest and src respectively. Simplify applicability test.
13596 Prettify output strings, and add clr alternative for J
13598 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
13599 deprecated std and reg-reg DI moves): Remove and...
13600 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
13601 implementation which uses forced splits for all non-single insn
13603 (define_split DI move cases on !arch64): New splits to handle all
13604 situations of 64-bit double register DImode on 32bit, and
13605 unaligned registers and memory addresses for all subtargets.
13606 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
13608 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
13609 input_operand for dest and src respectively, prettify output
13611 (define_insn movdf_insn, movdf_no_e_insn, store_df,
13612 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
13614 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
13615 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
13616 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
13617 movtf_no_e_insn_sp64) Replace with new
13618 implementation which uses forced splits for all non-single insn
13620 (define_split DF move cases): New splits in similar vein to DI
13622 (define_insn sethi_di_medlow, sethi_di_medium_pic,
13623 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
13624 movdi_sp64_insn): Remove old v9 code model and constant loading
13625 support insns and..
13626 (define_insn pic_lo_sum_di, pic_sethi_di,
13627 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
13628 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
13629 embmedany_sethi, embmedany_losum, embmedany_brsum,
13630 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
13631 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
13632 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
13633 scheme, using unspecs, secondary reloads, and one to one sparc
13634 insn to rtl insn mapping for better scheduling and code gen.
13635 (define_expand reload_indi, reload_outdi): Reload helpers for
13636 MEDANY and EMBMEDANY symbol address loading cases which require a
13637 temporary register.
13638 (define_expand movsicc): Remove v8plus_regcmp cases.
13639 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
13640 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
13641 cmp_diqi_trunc_set): New patterns used by some of the new scc
13643 (define_insn xordi3_sp64_dbl): New pattern used for constant
13644 formation when crossing from 32-bit targets.
13645 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
13647 (define_insn addx, subx): Make visible and prettify.
13648 (define_insn adddi3_insn_sp32): Likewise and force split.
13649 (define_insn addx_extend, subx_extend, unnamed): New patterns for
13650 64bit scc split usage.
13651 (define_insn unnamed plusDI zero_extend, unnamed minusDI
13652 zero_extend, subdi3): Force and implement splits.
13654 * final.c (final_scan_insn): Don't output labels if target
13655 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
13658 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
13659 don't forget to walk inside SEQUENCESs too as these are what the
13660 delay slot scheduler will create.
13662 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
13664 * alpha.md (extxl+1,+2): New patterns to work around
13667 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
13669 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
13670 caused bad assembly code to be generated.
13672 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
13674 * netbsd.h: Fix typo.
13676 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
13678 * config.sub: Fix typo.
13680 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
13682 * invoke.texi (Environment Variables): Typo: Change "ascpects"
13684 (Running Protoize): Typo: Change "ther" into "other".
13686 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
13688 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
13689 * m68k/netbsd.h: Likewise.
13690 * ns32k/netbsd.h: Likewise.
13691 * sparc/netbsd.h: Likewise.
13693 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
13695 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
13696 * ginclude/va-clipper.h (va_list): Likewise.
13698 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
13700 * rs6000.c (rs6000_override_options): If big endian and -Os, use
13701 load/store multiple instructions unless user overrides.
13703 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
13705 * ns32k/netbsd.h: Fix typo.
13707 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
13709 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
13710 labels with .debugsym if no parallel insns.
13712 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
13714 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
13715 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
13717 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@gnu.org>
13719 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
13720 (AR_FOR_TARGET): Define.
13722 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
13724 * dyn-string.h: New file.
13725 * dyn-string.c: Likewise.
13726 * Makefile.in (OBJS): Add dyn-string.o.
13727 (dwarf2out.o): Add dyn-string.h dependency.
13728 (dyn-string.o): List dependencies.
13729 * dwarf2out.c: Include dyn-string.h.
13730 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
13731 (addr_const_to_string): Take a dyn_string_t, not a char* as a
13732 prototype. Use dyn_string_append rather than strcat, throughout.
13733 (addr_to_string): Use dyn_string_t.
13735 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
13737 Function entry/exit profiling instrumentation:
13738 * expr.h (profile_function_entry_libfunc,
13739 profile_function_exit_libfunc): Declare new variables.
13740 * optabs.c: Define them here.
13741 (init_optabs): Initialize them.
13742 * tree.h (struct tree_decl): New flag
13743 no_instrument_function_entry_exit.
13744 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
13745 * c-decl.c (duplicate_decls): Merge it.
13746 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
13747 (init_attributes): Use it for "no_instrument_function".
13748 (decl_attributes): Handle it, for functions that have not yet been
13749 compiled. Set decl flag.
13750 * flags.h (flag_instrument_function_entry_exit): Declare new
13752 * toplev.c (flag_instrument_function_entry_exit): Define it here.
13753 (f_options): New option "instrument-functions".
13754 * function.h (struct function): New field instrument_entry_exit.
13755 * function.c (current_function_instrument_entry_exit): New
13757 (push_function_context_to, pop_function_context_from): Save and
13759 (expand_function_start): Set current_ variable, maybe emit return
13760 label and entry profile call.
13761 (expand_function_end): Maybe emit exit profile call.
13763 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
13765 * i386.md (movqi): When optimizing a load of (const_int 1) into a
13766 NON_QI_REG_P, pretend the register is SImode.
13768 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
13770 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
13771 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
13772 manufacturer id for ns32k.
13773 * configure: Regenerated.
13774 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
13775 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
13776 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
13777 * config/m68k/netbsd.h: Same.
13778 * config/ns32k/netbsd.h: Same.
13779 * config/sparc/netbsd.h: Same.
13781 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
13783 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
13784 or UNROLL_COMPLETELY loop that starts with a jump to its
13787 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@gnu.org>
13789 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
13790 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
13791 (print_operand, case 'B'): Don't fall through.
13792 (print_operand, case 'S'): Correct mask begin/end computation.
13793 Use HOST_BITS_PER_WIDE_INT.
13794 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
13795 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
13796 * rs6000/aix41.h (CPP_PREDEFINES): Same.
13797 * rs6000/aix43.h (CPP_PREDEFINES): Same.
13799 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
13801 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
13802 constraint from second alternative.
13804 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
13806 * configure.in: Fix --without/--disable cases for local-prefix,
13807 gxx-include-dir and checking.
13809 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13811 * configure.in (enable_haifa): Set by default for sparc64 too.
13812 configure: Rebuilt.
13814 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
13816 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
13817 * i386/winnt.c (associated_type): New fn.
13818 (i386_pe_valid_type_attribute_p): New fn.
13819 (i386_pe_check_vtable_importexport): Remove.
13820 (i386_pe_dllexport_p): Use associated_type.
13821 (i386_pe_dllimport_p): Likewise.
13823 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
13824 * i386.c (i386_valid_type_attribute_p): Also accept
13825 attributes for METHOD_TYPEs.
13827 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
13829 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
13831 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
13833 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
13835 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
13836 them from generating a new base name for each occurrence of
13839 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
13841 * cse.c (cse_insn): Enable substitution inside libcall only for REG,
13843 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
13845 * cplus-dem.c (type_kind_t): New type.
13846 (demangle_template_value_parm): Add type_kind_t parameter. Rely
13847 on this parameter, rather than demangling the type again.
13848 (demangle_integral_value): Pass tk_integral.
13849 (demangle_template_: Pass the value returned from do_type.
13850 (do_type): Return a type_kind_t. Pass tk_integral to
13851 demangle_template_value_parm for array bounds.
13852 (demangle_fund_type): Likewise.
13854 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
13856 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
13859 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
13861 * pa.c (move_operand): Accept CONSTANT_P_RTX.
13863 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
13865 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
13867 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
13870 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
13872 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
13873 (DEBUGGER_ARG_OFFSET): Likewise.
13875 * mn10300.md (movsf): Remove last change. Not needed.
13877 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
13879 * c-lex.c (yylex): Fix boundary conditions in character literal and
13880 string literal loops.
13882 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
13884 * longlong.h (count_leading_zeros): Sparclite scan instruction was
13885 being invoked incorrectly.
13887 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
13888 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
13890 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
13891 * configure.in: Added i[34567]86-*-win32.
13892 * config.sub: Likewise.
13893 * configure: Rebuilt.
13895 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
13897 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
13898 the frame pointer and compiling PIC code and reload has not completed.
13900 * i386.c (output_to_reg): Add code to emulate non-popping DImode
13903 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
13905 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
13907 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13909 * Makefile.in (install-info): Only try to update the info
13910 directory file if it exists in the first place.
13912 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
13914 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
13916 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
13918 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
13919 CONST_DOUBLE source.
13921 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
13923 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
13924 strings as the insertion of USER_LABEL_PREFIX.
13925 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
13927 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
13930 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
13932 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
13933 already defined type.
13935 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
13937 * expr.c (check_max_integer_computation_mode): Allow conversions
13938 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
13939 (expand_expr): Likewise.
13941 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
13943 * expr.c (expand_expr): Expand RETURN_EXPR.
13945 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
13947 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
13949 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
13951 * dwarf2out.c (output_aranges): Call stripattributes
13952 for TEXT_SECTION references.
13953 (output_line_info): Likewise.
13955 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13957 * profile.c (branch_prob): Call allocate_reg_info after outputting
13958 profile rtl in instrument_arcs.
13960 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
13962 * fixinc.irix (math.h): Install wrapper instead of copying.
13964 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
13966 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
13967 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
13968 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
13969 lang_flag_0. Added documentation in the flag table.
13971 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
13973 * cccp.c (do_include): Fix vax c style include handling.
13975 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
13977 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
13979 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
13981 * fold-const.c (non_lvalue): Don't deal with null pointer
13983 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
13985 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@gnu.org>
13987 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
13988 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
13989 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
13990 (u_short_cint_operand): Same.
13991 (reg_or_cint_operand): Same.
13992 (logical_operand): Same.
13993 (input_operand): Same.
13994 (reg_or_short_operand): Use u_short_cint_operand.
13996 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
13998 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
13999 but keep the insns and splits. Adjust so when the ultimate destination
14000 is memory, use cvtql.
14002 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
14004 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
14006 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
14008 * gcc.c (do_spec): Call "error" not "warning".
14010 * configure.in: Fix minor problems with gas feature detection code.
14011 * configure: Rebuilt.
14013 * gcc.c (do_spec): Issue a warning for '%[]' usage.
14015 * Undo this change.
14016 * gcc.c: Delete %[spec] support.
14017 (do_spec_1, case '('): Likewise.
14018 (do_spec_1, case '['): Call error.
14020 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
14022 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
14023 (CPP_SUBTARGET_SPEC): Default to empty string.
14024 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
14025 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
14026 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
14027 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
14029 * alpha/linux.h (CPP_PREDEFINES): Tidy.
14030 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
14031 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
14032 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
14033 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
14034 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
14035 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
14036 * alpha/vxworks.h: Likewise.
14038 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
14040 * mips.md (reload_outsi): Added missing REGNO call.
14041 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
14043 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
14044 another match_operator and compare the codes.
14046 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
14048 * MIPS multiply pattern fixes:
14049 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
14050 Add union classes for HI, LO, or HILO plus general registers.
14051 (GENERATE_MADD): Deleted.
14052 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
14053 Add TARGET_MAD to condition.
14054 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
14055 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
14056 "*d" for accumulator, to give preference to LO initially but not
14059 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
14061 * configure.in (enable_c_mbchar): New configure option.
14062 (extra_cpp_objs): Always available now.
14064 * cexp.y (mbchar.h): #include it.
14065 (yylex): Handle Multibyte characters in character literals.
14067 * cccp.c (mbchar.h): #include it.
14068 (main): Set character set based on LANG environment variable.
14069 (rescan): Handle multibyte characters in comments.
14070 (skip_if_group): See above.
14071 (validate_else): See above.
14072 (skip_to_end_of_comment): See above.
14073 (macarg1): See above.
14074 (discard_comments): See above.
14075 (rescan): Handle multibyte characters in string and character literals.
14076 (collect_expansion): See above.
14077 (skip_quoted_string): See above.
14078 (macroexpand): See above.
14079 (macarg1): See above.
14080 (discard_comments): See above.
14081 (change_newlines): See above.
14083 * c-lex.c (mbchar.h): #include it.
14084 (GET_ENVIRONMENT): New macro.
14085 (init_lex): Set character set based on LANG environment variable.
14086 (yylex): Handle multibyte characters in character literals.
14087 (yylex): Handle multibyte characters in string literals.
14089 * Makefile.in (mbchar.o): New target.
14090 (cccp$(exeext)): @extra_cpp_objs@ is always available.
14091 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
14093 * mbchar.[ch]: New files for multibyte character handling.
14095 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14097 * jump.c (jump_optimize): When simplifying noop moves and
14098 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
14099 the PUSHes to rewrite in second loop as we did in the first.
14101 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14103 * cplus-dem.c (demangle_nested_args): Make function definition
14104 static to match the prototype.
14106 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
14108 * alloca.c: Respect USE_C_ALLOCA.
14109 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
14110 * gengenrtl.c (xmalloc): Likewise.
14112 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
14114 * loop.h (struct induction): Add no_const_addval.
14115 * loop.c (the_movables, reg_address_cost): New variables.
14116 (init_loop): Init reg_address_cost.
14117 (loop_optimize): Call end_alias_analysis.
14118 (scan_loop): Init the_movables.
14119 (record_giv): Init induction->no_const_addval.
14120 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
14121 [REG]: Rearrange loop search test to catch more cases.
14122 (general_induction_var): Return success not benefit; take an extra
14123 argument for that. Change all callers.
14124 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
14125 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
14126 [default]: Search the_movables for additional combinations.
14127 (sge_plus_constant, sge_plus): New functions.
14128 (express_from_1): New function.
14129 (express_from): Always define. Rewrite using express_from_1.
14130 (combine_givs_p): Handle more cases. Ignore address cost.
14131 (cmp_combine_givs_stats): New function.
14132 (combine_givs_used_once, combine_givs_benefit_from): New functions.
14133 (combine_givs): Rewrite to do best-fit combination.
14135 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
14136 (fold): Do a complete (A*C)+(B*C) association check.
14138 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
14140 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
14142 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
14144 * mn10300.c (MODES_TIEABLE_P): Fix typo.
14146 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
14148 * tree.c (valid_machine_attribute): Only create a new type variant if
14149 there is a decl to use it.
14151 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
14153 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
14156 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
14158 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
14161 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
14163 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
14164 Simplify tests for clearing an address register.
14165 (expand_prologue): Corresponding changes.
14167 * mn10300.md (movXX patterns): Make sure the destination is an
14168 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
14169 (logical patterns): Split into expanders + patterns.
14170 (zero and sign extension patterns): Similarly.
14171 (shift patterns): Similarly.
14173 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
14175 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
14176 for the sequence, recording base values.
14178 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
14180 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
14182 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
14184 * gcc.c: Remove ANSI-C ism from --help code.
14186 * toplev.c: Support --help with USE_CPPLIB.
14188 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
14190 * configure.in: Rework gas feature code to work with symlink based
14193 * extend.texi: Clarify some issues related to local variables
14194 assigned to explicit registers.
14196 * mn10300.md (mulsi): Turn into expander + pattern.
14198 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
14201 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
14203 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
14205 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
14207 * version.c: Bump again to distinguish mainline tree from the
14210 See ChangeLog.0 for earlier changes.
14213 add-log-time-format: current-time-string