1 Fri Apr 9 21:02:57 1999 Krister Walfridsson (cato@df.lth.se)
3 * i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Fix typo.
4 * i386/freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
6 1999-04-09 22:58 -0400 Zack Weinberg <zack@rabi.columbia.edu>
8 * cpphash.c (special_symbol): When expanding __LINE__, use the
9 top file buffer, not the top buffer.
11 Fri Apr 9 13:41:04 1999 Jim Wilson <wilson@cygnus.com>
13 * Makefile.in (check-g++, check-gcc, check-g77, check-objc): Add
14 cd .. to TCL_LIBRARY command.
16 Fri Apr 9 13:04:52 1999 Nick Clifton <nickc@cygnus.com>
18 * config/arm/unknown-elf.h (SUBTARGET_CPU_DEFAULT): Only define if
19 not already specified.
21 Fri Apr 9 11:18:55 1999 Jason Merrill <jason@yorick.cygnus.com>
23 * c-common.c (decl_attributes, A_INIT_PRIORITY): Allow arrays
26 Fri Apr 9 10:40:10 1999 Kaveh R. Ghazi <ghazi@snafu.rutgers.edu>
28 * rs6000.c (rs6000_override_options, ptt, rs6000_file_start,
29 rs6000_float_const, rs6000_replace_regno, debug_stack_info,
30 rs6000_output_load_toc_table, output_prolog, output_epilog):
32 (output_mi_thunk): Likewise. Mark parameter `thunk_fndecl' with
33 ATTRIBUTE_UNUSED. Hide unused variables `r0', `sp', `toc',
34 `schain', `r12', `buf' and `labelno'.
35 (output_ascii): Const-ify a char*.
36 (rs6000_gen_section_name): Initialize variable `last_period'.
37 (rs6000_adjust_priority): Mark parameter `insn' with
39 (rs6000_trampoline_template, rs6000_dll_import_ref,
40 rs6000_longcall_ref, rs6000_encode_section_info): Const-ify a char*.
42 * rs6000.h (offsettable_mem_operand, optimization_options): Add
45 * rs6000.md (movdi, define_split): Cast a value to HOST_WIDE_INT
46 when comparing against one.
48 Thu Apr 8 19:20:18 1999 Jeffrey A Law (law@cygnus.com)
50 * expr.c (expand_expr, case ARRAY_REF, COMPONENT_REF, BIT_FIELD_REF):
51 Do not try to optimize a aggregate address which has VOIDmode.
52 Mirrors March 23 change to expand_assignment.
54 * flow.c (delete_unreachable_blocks): Do not require EDGE_FALLTHRU
55 for an edge when tidying an edge which connects consecutive basic
58 * flow.c (can_delete_label_p): Do not convert a label into a
61 * cse.c (flush_hash_table): New function.
62 (cse_insn): Flush the hash table when we encounter a volatile asm.
63 (cse_basic_block): Use flush_hash_table instead of doing it
66 * reload1.c (reload_cse_regs_1): Flush known register values if
67 we encounter a volatile asm.
69 * loop.c (strength_reduce): Re-enable Joern's loop improvements.
71 Thu Apr 8 09:37:40 1999 Nick Clifton <nickc@cygnus.com>
73 * config/arm/arm.c (arm_print_operand): Undo previous change -
74 always print large constants in decimal.
76 Thu Apr 8 10:22:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
78 * configure.in (host_xm_file, build_xm_file): Include hwint.h.
79 Use case statements instead of "if test -a ... -a ... -a ..."
81 * machmode.h: Don't define HOST_WIDE_INT, etc. Wrap use of
82 HOST_WIDE_INT in #ifdef.
84 * mips.h: Include hwint.h instead of providing definitions for
85 HOST_WIDE_INT, etc. Wrap uses of HOST_WIDE_INT in #ifdef.
87 Thu Apr 8 06:16:14 EDT 1999 John Wehle (john@feith.com)
89 * i386.md (truncdfsf2, truncxfsf2,
90 truncxfdf2): Rewrite using a splitter.
92 Thu Apr 8 01:26:05 1999 Arg Haas (ahaas@neosoft.com)
93 Jeffrey A Law (law@cygnus.com)
95 * freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Avoid ambiguous
97 * gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
98 * linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
99 * openbsd.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
101 Wed Apr 7 22:40:19 1999 Jim Wilson <wilson@cygnus.com>
103 * i960/i960.c (i960_function_prologue): Don't save static chain
105 * i960/i960.h (STACK_CHAIN_REGNUM): Change from r3 to g12.
106 (TRAMPOLINE_TEMPLATE): Likewise.
107 (FRAME_POINTER_REQUIRED): Check current_function_has_nonlocal_goto.
108 * i960/i960.md (nonlocal_goto): Rewrite.
110 Tue Apr 6 17:49:49 1999 Philip Blundell <pb@nexus.co.uk>
112 * config/arm/lib1funcs.asm: Test for __ELF__ not __elf__.
114 Wed Apr 7 14:07:34 1999 Jeffrey A Law (law@cygnus.com)
116 * h8300.c (h8300_adjust_insn_length): Also avoid recognizing
117 ADDR_VEC and ADDR_DIFF_VEC insns.
119 * h8300.c (h8300_adjust_insn_length): Avoid trying to recognize
120 USE, CLOBBER or SEQUENCE insns.
122 * unroll.c (unroll_loop): For HAVE_cc0 machines, adjust copy_end_luid
123 to account for the uncopied insn that sets cc0 at the end of the loop.
125 * unroll.c (copy_loop_body): Always ensure at least two insns
126 are in the copied loop.
128 Wed Apr 7 14:52:18 1999 Catherine Moore <clm@cygnus.com>
130 * config/mips/elf.h (MAKE_DECL_ONE_ONLY): Define.
131 (UNIQUE_SECTION_P): Define.
133 1999-04-07 11:50 -0800 Bruce Korb <ddsinc09@ix.netcom.com>
135 * fixinc/inclhack.tpl & fixincl.tpl:
136 Remove dynamic content from generated files
138 Wed Apr 7 13:16:22 EDT 1999 John Wehle (john@feith.com)
140 * i386.c (output_move_memory): Remove.
143 * i386.md (movsi, movhi, movstricthi, movqi, movstrictqi,
144 movsf, movdf, movxf, movdi): Check no_new_pseudos instead
145 of (reload_in_progress | reload_completed).
147 Wed Apr 7 03:16:45 1999 Richard Henderson <rth@cygnus.com>
149 * alpha.c (reg_no_subreg_operand): New function.
150 * alpha.h (PREDICATE_CODES): Add it.
151 * alpha.md (floatdi?f patterns): Use it for op1.
153 * alpha.c (alpha_end_function): Don't flag weak functions.
155 Wed Apr 7 02:11:55 1999 Richard Henderson <rth@cygnus.com>
157 * expr.c (expand_builtin) [BUILT_IN_RETURN_ADDRESS]: Use
158 copy_to_mode_reg; don't force constants into a register.
160 Tue Apr 6 22:55:25 1999 Richard Henderson <rth@cygnus.com>
162 * toplev.c (compile_file): Typo flow_dump -> flow2_dump.
164 1999-04-06 Joseph S. Myers <jsm28@cam.ac.uk>
166 * pdp11.c (simple_memory_operand): Add default case in switch.
167 * pdp11.h (TARGET_SWITCHES): Add help strings.
168 (NOTICE_UPDATE_CC): Don't include excess argument to format.
169 (ASM_OUTPUT_DOUBLE_INT): Remove.
171 Tue Apr 6 22:09:40 1999 Richard Henderson <rth@cygnus.com>
173 * expr.c (expand_builtin_setjmp): Put setjmp return label on
174 nonlocal_goto_handler_labels for flow.
176 Tue Apr 6 22:05:21 1999 Jan Hubicka <hubicka@paru.cas.cz>
177 Richard Henderson <rth@cygnus.com>
179 * flow.c (verify_flow_info): New function.
180 (find_basic_blocks): Call it if ENABLE_CHECKING.
181 (merge_blocks): Don't merge if there are non-deletable labels.
182 * toplev.c (fatal_insn): Allow a printf-style arg list.
183 * toplev.h (fatal_insn): Update prototype.
185 Tue Apr 6 16:18:58 1999 Jan Hubicka <hubicka@paru.cas.cz>
187 * flow.c (split_edge) update correctly flow graph, disable
188 EDGE_CRITICAL flag on the split edge, update NUSES for new label.
190 Tue Apr 6 15:47:51 1999 Richard Henderson <rth@cygnus.com>
192 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use XWINT not XINT.
193 Clear third and following slots, if they exist.
195 Tue Apr 6 15:45:28 1999 Richard Henderson <rth@cygnus.com>
197 * flow.c (create_basic_block): Make sure the bb note is in the block.
198 (can_delete_note_p): Rename from delete_note_p.
199 (delete_insn_chain): Preserve undeleteable labels too.
200 (tidy_fallthru_edge): Use next_real_insn instead of confusing
203 1999-04-06 12:56 -0400 Zack Weinberg <zack@rabi.columbia.edu>
205 * cppexp.c (parse_charconst): Initialize c.
206 (cpp_parse_expr): Initialize rprio.
207 * cppfiles.c (merge_include_chains): Initialize prev.
208 (finclude) Set fp->line_base to fp->buf before returning.
209 * cpphash.c (macroexpand): Initialize token.
210 * cppspec.c (lang_specific_driver): Change suff to
213 1999-04-06 12:51 -0400 Zack Weinberg <zack@rabi.columbia.edu>
215 * cppinit.c (install_predefs): Delete function.
216 (cpp_start_read): Don't call install_predefs.
217 (cpp_handle_option): Remove case 'u' and all refs to
218 opts->inhibit_predefs.
219 (print_help): Don't mention -undef.
220 (initialize_builtins): Define __HAVE_BUILTIN_SETJMP__, to
222 * cpplib.h (struct cpp_options): Remove inhibit_predefs
225 * cccp.c (predefs): Delete variable.
226 (main): Remove case 'u' in argument parse loop,
227 'inhibit_predefs' variable, and the code block that would
228 process CPP_PREDEFINES.
229 (initialize_builtins): Don't define __OBJC__, the driver will
232 * gcc.c (default_compilers): Remove -undef from all specs that
233 invoke a C preprocessor.
234 * ch/lang-specs.h: Likewise.
235 * cp/lang-specs.h: Likewise.
236 * f/lang-specs.h: Likewise.
237 * objc/lang-specs.h: Likewise.
239 Mon Apr 5 11:55:31 1999 Donn Terry (donn@interix.com)
241 * Makefile.in (SUBDIR_FLAGS_TO_PASS): Fix misapplied patch.
243 Mon Apr 5 11:51:38 1999 Jeffrey A Law (law@cygnus.com)
245 * m68k.md (movdf): Hide GPR sources & destinations from regclass.
247 Mon Apr 5 09:54:42 PDT 1999 Jeff Law (law@cygnus.com)
249 * version.c: Bump for snapshot.
251 Mon Apr 5 05:55:15 PDT 1999 Bruce Korb <ddsinc09@ix.netcom.com>
253 * fixincl.tpl: Separate "-e" from its argument, a la
254 the Sat Apr 3 17:05:13 1999 fix.
255 * genfixes: Ensure that the server shell is _NOT_ csh.
257 Mon Apr 5 03:52:30 PDT 1999 Jeff Law (law@cygnus.com)
259 * version.c: Bump for snapshot.
261 Mon Apr 5 04:47:14 1999 Jeffrey A Law (law@cygnus.com)
263 * i386.c (x86_double_with_add): Turn off for Pentium and PPro.
264 (small_shift_operand, output_ashlsi3): New functions.
265 * i386.h (small_shift_operand, output_ashlsi3): Declare.
266 * i386.md (ashlsi3): Simplify ahlsi3 patterns. Remove splitters
267 that are no longer needed.
269 Sun Apr 4 04:05:04 1999 Jeffrey A Law (law@cygnus.com)
271 * stmt.c (expand_loop_end): When copying the loop exit test,
272 do not walk into a nested loop.
274 Sun Apr 4 00:14:54 1999 Jeffrey A Law (law@cygnus.com)
276 * fixinc/hackshell.tpl: Skip links to directories, to avoid
278 * fixinc/inclhack.tpl: Likewise.
279 * fixinc/fixinc.sh, fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
281 Sat Apr 3 23:46:13 1999 David Edelsohn <edelsohn@gnu.org>
283 * rs6000.md (addsi3, iorsi3, xorsi3, adddi3, iordi3, xordi3,
284 movsi_got, movsi, movsf): Use no_new_pseudos.
285 * rs6000.c (rs6000_got_register): Likewise.
286 (offsettable_mem_opereand): Use || not |.
288 Sat Apr 3 22:02:56 1999 Jeffrey A Law (law@cygnus.com)
290 * acconfig.h (ENABLE_CHECKING): Remove redundant #undef.
291 * config.in: Rebuilt.
293 Sat Apr 3 16:22:59 1999 Toshiyasu Morita (tm@netcom.com)
295 * gcc.texi: Add info on regmove pass.
297 * regmove.c (fixup_match_1): Consistently evaluate
298 HAVE_POST_INCREMENT and HAVE_POST_DECREMENT.
300 Sat Apr 3 19:21:05 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
302 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER): Use grep
303 instead of test and sed to check whether they're GNU programs.
304 * configure: Rebuilt.
306 Sat Apr 3 17:57:35 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
308 * Makefile.in (install-headers-tar, install-headers-cpio): Avoid
309 problems with CDPATH.
310 Reported by Ralf Canis <canis@bigfoot.com>
312 Sat Apr 3 13:50:16 1999 Jeffrey A Law (law@cygnus.com)
314 * fixinc.x86-linux-gnu: Deleted.
316 Sat Apr 3 17:05:13 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
318 * inclhack.tpl: Insert spaces between `sed -e' and '...'.
319 Reported by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
320 * fixinc/fixincl.sh, fixinc/fixincl.x, fixinc/inclhack.sh: Regen.
322 Sat Apr 3 14:54:46 1999 Craig Burley <craig@jcb-sc.com>
324 * tree.def (BLOCK): Fix typo in comment.
326 Sat Apr 3 00:53:29 EST 1999 John Wehle (john@feith.com)
328 * i386.md (floatsisf2, floatdisf2, floatsidf2, floatdidf2,
329 floatsixf2, floatdixf2): Rewrite using a splitter.
331 Fri Apr 2 17:36:10 1999 Nick Clifton <nickc@cygnus.com>
333 * config/arm/arm.c (arm_print_operand): Print large constants in
334 hex rather than decimal.
336 Fri Apr 2 17:23:58 1999 Nick Clifton <nickc@cygnus.com>
338 * print-rtl.c (print_rtx): Use both HOST_WIDE_INT_PRINT_DEC
339 and HOST_WIDE_INT_PRINT_HEX to display constants.
341 1999-04-02 20:16 -0500 Zack Weinberg <zack@rabi.columbia.edu>
343 * config/i386/i386.h: Document all TARGET_SWITCHES or add
344 explicit null initializer.
346 * config/i386/cygwin.h: Document all SUBTARGET_SWITCHES.
347 * config/i386/dgux.h: Likewise.
348 * config/i386/osf1elf.h: Likewise.
349 * config/i386/win32.h: Likewise.
350 * config/i386/osfrose.h: Likewise. Drop obsolete -mno-ident option.
352 Fri Apr 2 17:49:44 1999 Toshiyasu Morita <tm@netcom.com>
354 * regmove.c (fixup_match_1): Remove now useless if (0).
356 Sat Apr 3 11:37:20 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
358 * tm.texi (USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT,
359 USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT): Document.
360 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
361 USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Fix documentation.
363 * rtl.h (USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT,
364 USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT,
365 USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
366 USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Provide default
369 * expr.c (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
370 USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Delete default
373 Fri Apr 2 16:03:05 1999 Jeffrey A Law (law@cygnus.com)
375 * fixinc.dgux, fixinc.interix, fixinc.irix, fixinc.ptx: Deleted.
376 * fixinc.sco, fixinc.svr4, fixinc.winnt, fixinc.wrap: Likewise.
378 Fri Apr 2 15:46:25 1999 Donn Terry (donn@interix.com)
380 * configure.in: Set and substitute quoted_cc_set_by_configure.
381 * configure: Rebuilt.
382 * Makefile.in (SUBDIR_FLAGS_TO_PASS): Fix quoting problem with ``.
384 Fri Apr 2 14:35:45 1999 Stan Cox <scox@cygnus.com>
386 * config/i386/cygwin.h (CPP_SPEC): Use mingw_include_path instead
387 of a hardcoded path for -mno-cygwin.
388 (mingw_include_path): New.
390 1999-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
392 * pdp11.c: Include "recog.h".
393 (output_function_prologue): Remove unused variables `nregs', `i',
395 (output_function_epilogue): Remove unused variables
396 `may_call_alloca', `nregs', `regno', `adjust_fp'.
397 (output_ascii): Mark as returning void.
398 (print_operand_address: Likewise.
399 (simple_memory_operand): Remove unused variables `plus0', `plus1',
401 * pdp11.h: Declare functions `arith_operand',
402 `const_immediate_operand', `expand_shift_operand',
403 `legitimate_address_p', `notice_update_cc_on_set', `output_ascii',
404 `output_function_epilogue', `output_function_prologue',
405 `print_operand_address', `register_move_cost',
406 `simple_memory_operand'.
407 (HARD_REGNO_MODE_OK): Parenthesize `REGNO' arg.
408 (REGNO_REG_CLASS): Likewise.
409 * pdp11.md: Add explicit `int' to `static count' (in two places).
410 (addhi3): Add explicit braces to avoid ambiguous else.
414 Fri Apr 2 14:17:10 1999 Jerry James <jerry@cs.ucsb.edu>
416 * gcc/invoke.texi: Add documentation for additional supported
417 MIPS CPU types, options -mips16 and -mentry, and ABI and ISA
420 Fri Apr 2 14:12:06 EST 1999 John Wehle (john@feith.com)
422 * i386.md: Delete floating point compare, add, subtract,
423 multiply, and divide patterns which allowed integer
425 * i386.c (output_386_binary_op): Delete unused code.
426 (output_float_compare): Likewise.
428 Fri Apr 2 11:53:37 1999 John Wehle (john@feith.com)
430 * i386.md (movsf+1, movdf+1, movxf+1): Update constraints
431 so that SECONDARY_MEMORY_RELOAD is used. Remove dead code.
433 1999-04-02 Bruce Korb <ddsinc09@ix.netcom.com>
435 * fixinc/mkfixinc.sh: Added support for x86-interix.
436 * fixinc/fixinc.interix: Fixincludes script, slight changes
437 from ./fixinc.interix. Untested (needs interix box).
438 * fixinc/inclhack.def:
439 Complete the change to the 'fixinc.tmp' file.
440 Fixed regex for finding C++ headers.
441 * fixincl.x, fixincl.sh, inclhack.sh: Regenerate.
443 Fri Apr 2 11:36:12 1999 Jan Hubicka (hubicka@paru.cas.cz)
445 * i386.c (print_operand_address, case REG): Do not use ESI addressing
448 * i386.c (print_operand_address, case MULT): Use more efficient
449 encoding (mult (reg) (const_int 2)).
451 Thu Apr 1 17:01:50 1999 Richard Henderson <rth@cygnus.com>
453 Move over patch from Bernd Schmidt from GC branch:
454 * emit-rtl.c (gen_rtx_CONST_DOUBLE): New function.
455 (gen_rtx): Call it. Tidy cases.
456 * rtl.h (gen_rtx_CONST_DOUBLE): Prototype it.
457 * gengenrtl.c: Add commentary.
458 (special_rtx): Also match CONST_DOUBLE.
459 (gencode): Emit call to memset instead of bzero.
461 Fri Apr 2 12:58:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
463 * config/c4x/c4x.md (ashlhi3, lshrhi3, ashrhi3): Force operand 1
464 into a register if shift count not constant.
465 (ashlhi3_reg, lshrhi3_reg, ashrhi3_reg): Ensure that operand 1
468 Fri Apr 2 12:19:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
470 * config/c4x/c4x.md (*db): Enable pattern if TARGET_LOOP_UNSIGNED
472 (movstrqi_small, movstrqi_large, *cmpstrqi): Add + modifier to address
473 register constraints.
474 (*movhi_clobber+1): Modify splitter pattern to handle destination
475 register that is used in the source address.
476 (*xorhi3_clobber): Replace AND with XOR in call to legitimize_operands.
478 Fri Apr 2 12:16:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
480 * config/c4x/c4x.h: Added more comments.
482 Fri Apr 2 11:58:22 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
484 * config/c4x/c4x.c (c4x_emit_move_sequence): Force invalid QImode
485 constants into memory if we get called directly from gen_move_insn
486 rather than emit_move_insn.
487 (c4x_legitimize_address): Fix up LABEL_REF addresses.
489 Thu Apr 1 12:04:05 1999 Jim Wilson <wilson@cygnus.com>
491 * expr.c (store_field): When check direct_store, assume all complex
492 modes can be directly stored.
494 1999-04-01 Bruce Korb <ddsinc09@ix.netcom.com>
496 * fixinc/genfixes: New shell script that runs autogen
497 to create the generated files.
499 1999-04-01 Manfred Hollstein <manfred@s-direktnet.de>
501 * Makefile.in (cppmain$(exeext)): Depend on intl.o. Link in intl.o.
503 Thu Apr 1 03:48:34 1999 H.J. Lu (hjl@gnu.org)
505 * i386.c (output_fp_conditional_move): Abort for LT, LE, GE, and GT
506 signed integer comparisons.
508 * i386.c (output_int_conditional_move): Use "enum rtx_code" for code
511 * i386.c (notice_update_cc): No need to check the INT mode for
512 conditional moves since FLOAT conditional moves don't affect cc0.
514 Thu Apr 1 02:17:18 1999 Jeffrey A Law (law@cygnus.com)
516 * fixinc/inclhack.def (zzz_ki_syscalls, zzz_time): Fix trigger
517 string to only match on hpux11.
518 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixinc.sh: Rebuilt.
520 Thu Apr 1 01:09:27 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
522 * fixinc/hackshell.tpl: Complete transition to fixinc.tmp.
523 * fixinc/inclhack.sh: Rebuilt.
525 * fixinc/inclhack.def: Fix typos in c_asm.h fix.
526 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixinc.sh: Rebuilt.
528 Wed Mar 31 17:20:11 1999 Jeffrey A Law (law@cygnus.com)
530 * toplev.c (rest_of_compilation): Allow dbr_schedule to write to
533 Wed Mar 31 12:32:43 1999 Richard Henderson <rth@cygnus.com>
535 * flow.c (find_basic_blocks): New argument `do_cleanup'.
536 Conditionally call delete_unreachable_blocks.
537 (free_basic_block_vars): Zero ENTRY/EXIT data.
538 (allocate_for_life_analysis): Kill. Split into...
539 (allocate_bb_life_data, allocate_reg_life_data): ... new functions.
540 (life_analysis_1): Update.
541 * gcse.c (gcse_main): Update find_basic_blocks call.
542 * toplev.c (rest_of_compilation): Likewise.
543 * stupid.c (stupid_life_analysis): Update life data calls.
544 * rtl.h, output.h: Update prototypes.
546 Wed Mar 31 12:10:00 1999 Bruce Korb <ddsinc09@ix.netcom.com>
548 * inclhack.def (several): Added spaces in tests to ensure
549 correct shell syntax. Added c_asm.h fix from fixincludes.
550 Also corrected the corrected fix to C++ comments :-}
552 * inclhack.tpl: Changed method of traversing symlink trees
553 so that file name matching will work correctly.
555 * fixincl.c, hackshell.tpl: Fallout from above.
556 * fixincl.x, inclhack.sh, fixincl.sh: Rebuilt.
558 Tue Mar 30 10:43:49 1999 Philip Blundell <pb@nexus.co.uk>
560 * config/arm/aout.h (DBX_DEBUGGING_INFO): Avoid redefinition if
561 dbxelf.h was previously included.
562 (CPP_APCS_PC_DEFAULT_SPEC): No need to undefine.
564 * config/arm/linux-elf.h (FP_DEFAULT): Correctly override the
565 definition from arm.h.
567 Wed Mar 31 10:33:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
569 * Makefile.in (c-gperf.h): Generate using gperf language 'C', not
570 'KR-C', so gperf uses the `const' keyword on strings.
572 * c-parse.gperf (resword): Const-ify a char*.
574 Wed Mar 31 01:49:31 1999 Ian Lance Taylor <ian@zembu.com>
576 * t-rtems (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
578 Wed Mar 31 00:50:48 1999 Jeffrey A Law (law@cygnus.com)
580 * system.h (STDERR_FILENO): Fix typo.
582 * inclhack.def (bool): Also fix bogus bool in curses_colr/curses.h.
583 * fixincl.x, inclhack.sh, fixincl.sh: Rebuilt.
585 Tue Mar 30 20:51:40 1999 Mark Mitchell <mark@codesourcery.com>
587 * alias.c (alias_set_compare): Remove.
588 (record_alias_subset): Use splay_tree_compare_ints instead of
590 (init_alias_once): Likewise.
591 * cse.c: Include splay-tree.h.
593 (reg_tick): Likewise.
594 (reg_table): Likewise.
595 (cse_reg_info): New structure.
596 (cse_reg_info_free_list): New variable.
597 (cse_reg_info_tree): Likewise.
598 (cached_regno): Likewise.
599 (cached_cse_reg_info): Likewise.
600 (all_minus_one): Remove.
601 (consec_ints): Likewise.
602 (GET_CSE_REG_INFO): New macro.
603 (REG_TICK): Likewise. Use throughout instead of reg_tick.
604 (REG_IN_TABLE): Likewise. Use throughout instead of reg_in_table.
605 (REG_QTY): Likewise. Use throughout instead of reg_qty.
606 (get_cse_reg_info): New function.
607 (free_cse_reg_info): Likewise.
608 (new_basic_block): Reinitialize cse_reg_info_tree instead of
609 reg_tick, all_minus_one, and consec_ints.
610 * Makefile.in (cse.o): Depend on splay-tree.h
612 Tue Mar 30 13:19:36 1999 Jason Merrill <jason@yorick.cygnus.com>
614 * libgcc2.c (throw_helper): Just return the SP offset, rather than
615 a whole udata. Include args_size in the offset.
616 (__throw, __rethrow): Adjust.
618 Tue Mar 30 11:39:27 1999 Craig Burley <craig@jcb-sc.com>
620 * extend.texi (Extended Asm): Delete spurious `b' before
621 `@end example', which was confusing texi2html.
623 Tue Mar 30 00:26:34 1999 Jason Merrill <jason@yorick.cygnus.com>
625 * dwarf2out.c (output_line_info): Don't emit redundant info.
626 Do start a new row if the file changes and the line # doesn't.
628 Mon Mar 29 15:48:39 1999 Jason Merrill <jason@yorick.cygnus.com>
630 * invoke.texi (Invoking G++, C++ Dialect Options): Update.
632 Mon Mar 29 15:05:39 1999 Richard Henderson <rth@cygnus.com>
634 * except.c (start_dynamic_handler): Force jmp_buf address to
635 and operand before moving to memory.
637 Mon Mar 29 15:11:10 1999 Craig Burley <craig@jcb-sc.com>
639 * invoke.texi (Code Gen Options): Attempt to clarify
640 -fcheck-memory-usage. Minor edits to -fprefix-function-name.
642 Mon Mar 29 20:52:47 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
644 * loop.c (maybe_eliminate_biv): For libcalls that set a giv, skip to
647 Mon Mar 29 20:35:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
649 * sh.md (mulsi3): Tag an extra REG_EQUAL note to the middle insn.
651 Mon Mar 29 11:50:34 1999 Jerry Quinn <jquinn@nortelnetworks.com>
653 * pa.h (HAVE_PRE_INCREMENT): Disable when optimizing for a PA8000
655 (HAVE_PRE_DECREMENT, HAVE_POST_INCREMENT): Likewise.
656 (HAVE_POST_DECREMENT): Likewise.
658 Mon Mar 29 08:24:43 1999 Bruce Korb <korb@datadesign.com>
660 * fixinc/mkfixinc.sh: Fix portability problems with old shells.
662 * fixinc/README: Updated for release announcement
664 Sun Mar 28 20:26:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
666 * recog.h (insn_outfun, insn_operand_predicate): Add prototype
669 * rtl.h (note_stores): Likewise.
671 * rtlanal.c (note_stores): Likewise.
673 Sun Mar 28 15:34:28 1999 Richard Henderson <rth@cygnus.com>
675 * varasm.c (output_constant_pool): Always mark the constant pool.
677 Sun Mar 28 16:09:01 1999 "Jerry Quinn" <jquinn@nortelnetworks.com>
679 * pa.md (pa7100LCshiftmem, pa7100LCalu): Change simultaneity. Use
680 shift/mem ops in pa7100LCalu.
682 * pa.c (pa_adjust_cost): Don't do cost adjustments on pa8000.
683 (pa_reorg): Don't call pa_combine_instructions on pa8000.
685 Sun Mar 28 15:27:26 1999 Jeffrey A Law (law@cygnus.com)
687 * reload1.c (reload): Remove accidental code duplication.
689 Sun Mar 28 12:22:12 1999 Robert Lipe (robertlipe@usa.net)
691 * i386/sysv5.h: New file to describe UnixWare7/SVR5.
692 * configure.in (i?86-UnixWare7*-sysv): Use it.
693 * i386/udk.h: Use sysv5.h. Now uses Dwarf-2.
695 Sun Mar 28 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
697 * version.c: Bump for snapshot.
699 Sun Mar 28 00:44:27 1999 Jeffrey A Law (law@cygnus.com)
701 * sdbout.c (sdbout_symbol): Do not call build_pointer_type, build
702 one on the fly and do not cache the result.
704 * gcc.cps, cpp.cps: Delete unwanted files.
706 Sat Mar 27 23:37:40 EST 1999 John Wehle (john@feith.com)
708 * i386.md (movdicc+3, movdicc+4): Rewrite using split_di.
709 * i386.c (output_int_conditional_move): Delete unused code.
711 Sat Mar 27 21:17:36 1999 David Edelsohn <edelsohn@gnu.org>
713 * rs6000/{aix41.h,aix43.h} (ASM_CPU_SPEC): Add 604e.
715 Sat Mar 27 16:13:50 1999 Jeffrey A Law (law@cygnus.com)
717 * flow.c (mark_used_regs): Improve handling of ASMs.
719 1999-03-26 Zack Weinberg <zack@rabi.columbia.edu>
721 * Makefile.in (xcpp, cppspec.o): New targets.
722 (CPP_INSTALL_NAME): New macro.
723 (install-cpp): Install xcpp. Use CPP_INSTALL_NAME.
724 (all.build, start.encap): Build xcpp.
726 * cppspec.c: New file, implements argument filtering for a
727 user-visible C preprocessor.
730 Fri Mar 26 20:41:46 1999 Jim Wilson <wilson@cygnus.com>
732 * Makefile.in (stmp-fixinc): Use tooldir instead of gcc_tooldir.
734 Fri Mar 26 16:02:37 1999 Nick Clifton <nickc@cygnus.com>
736 * configure.in (arm-*-vxworks*): Just include arm/vxarm.h.
737 * configure: Regenerate.
738 * config/arm/vxarm.h: Define SUBTARGET_CPU_DEFAULT before
741 1999-02-16 Scott Bambrough <scottb@corelcomputer.com>
743 * configure.in (arm*-*-linux-gnu*): Set thread_file to 'posix' if
744 --enable-threads[={yes,pthreads,posix}] is passed as a command
745 line parameter to configure.
747 * configure: Regenerate.
749 * gcc/config/arm/t-linux (TARGET_LIBGCC2_CFLAGS): Include -fPIC.
751 Fri Mar 26 19:42:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
753 * loop.c (combine_givs): Fix index into can_combine when doing
754 benefit adjustment for remaining givs when having combined a giv.
756 Fri Mar 26 11:38:01 1999 Nick Clifton <nickc@cygnus.com>
758 * config/arm/t-arm-elf (EXTRA_MULTILIB_PARTS): Define.
760 Fri Mar 26 10:48:27 1999 Nick Clifton <nickc@cygnus.com>
762 * config/arm/linux-elf.h: Include dbxelf.h
764 Fri Mar 26 10:43:47 1999 Nick Clifton <nickc@cygnus.com>
766 * config/svr4.h: Include new header file dbxelf.h.
767 (DBX_DEBUGGING_INFO): Remove definition.
768 (DBX_USE_BINCL): Remove definition.
769 (DBX_BLOCKS_FUNCTION_RELATIVE): Remove definition.
770 (ASM_IDENTIFY_GCC): Remove definition.
771 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove definition.
772 (ASM_OUTPUT_SOURCE_LINE): Remove definition.
773 (DBX_FUNCTION_FIRST): Remove definition.
774 (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Remove definition.
776 * config/elfos.h: Include new header file dbxelf.h.
777 (DBX_DEBUGGING_INFO): Remove definition.
778 (DBX_BLOCKS_FUNCTION_RELATIVE): Remove definition.
779 (ASM_IDENTIFY_GCC): Remove definition.
780 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove definition.
781 (ASM_OUTPUT_SOURCE_LINE): Remove definition.
782 (DBX_FUNCTION_FIRST): Remove definition.
784 * config/dbxelf.h: New header file.
785 (DBX_DEBUGGING_INFO): Define.
786 (DBX_BLOCKS_FUNCTION_RELATIVE): Define.
787 (DBX_FUNCTION_FIRST): Define.
788 (DBX_USE_BINCL): Define.
789 (DBX_CONTIN_LENGTH): Define.
790 (ASM_IDENTIFY_GCC): Define.
791 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Define.
792 (ASM_OUTPUT_SOURCE_LINE): Define.
793 (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Define.
795 Fri Mar 26 01:59:15 1999 "Charles M. Hannum" <root@ihack.net>
797 * fold-const.c (fold_truthop): Optimize bitfield references with
798 different masks as long as their size and bit position are the same.
800 * fold-const.c (fold_truthop): Build a type for both the lhs and
801 rhs and use it appropriately.
803 * fold-const.c (fold_truthop): Mask the lhs and rhs after merging
804 adjacent bitfield references.
806 * fold-const.c (fold_truthop): Verify that the lhs and rhs are
807 in the same bit position when optimizing bitfield references
808 which have the same mask.
810 Thu Mar 25 22:53:27 1999 Martin von Löwis <loewis@informatik.hu-berlin.de>
812 * gcc.texi (Copy Assignment): New node.
814 1999-03-25 Zack Weinberg <zack@rabi.columbia.edu>
816 * gcc.c: Compile unconditionally all code formerly dependent
817 on #ifdef LANG_SPECIFIC_DRIVER.
818 * gccspec.c: New file with stub lang_specific_driver,
819 lang_specific_pre_link.
820 * Makefile.in: Link gccspec.o into xgcc. Add rule to compile
822 Thu Mar 25 21:08:02 1999 Jason Merrill <jason@yorick.cygnus.com>
824 * gcc.texi (Temporaries): Update.
826 Thu Mar 25 16:53:53 1999 Richard Henderson <rth@cygnus.com>
828 * combine.c (distribute_notes): Place REG_LABEL also where
831 Thu Mar 25 12:46:37 1999 Jim Wilson <wilson@cygnus.com>
833 * a29k/a29k.h (TARGET_SWITCHES): Add doc strings.
834 * i960/i960.h (TARGET_SWITCHES): Add doc strings.
835 * invoke.texi (a29k): Add documentation for -mno-multm option.
837 Thu Mar 25 14:04:54 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
839 * rtl.texi (RTX_FRAME_RELATED_P): Add documentation.
840 * rtl.h (struct rtx_def): Update comment for frame_related field.
841 (set_unique_reg_note): Declare prototype.
842 * dwarf2out.c (dwarf2out_frame_debug_expr): Split out from
843 'dwarf2out_frame_debug' to handle only expressions, and process
844 component parts of a PARALLEL expression.
845 (dwarf2out_frame_debug): Process insns only, and call
846 new function 'dwarf2out_frame_debug_expr' for patterns.
847 * emit-rtl.c (set_unique_reg_note): New function to add a reg note,
848 but if there is an existing one, delete it first.
849 * expmed.c (expand_mult, expand_divmod): Use set_unique_reg_note.
850 * optabs.c (add_equal_note, expand_binop): Use set_unique_reg_note.
851 (emit_no_conflict_block, emit_libcall_block): Use set_unique_reg_note.
852 (expand_fix): Use set_unique_reg_note.
854 Thu Mar 25 11:47:49 1999 Art Haas <ahaas@neosoft.com>
856 * tlink.c (symbol_hash_newfunc): Remove redundant call to
858 (file_hash_newfunc, demangled_hash_newfunc): Likewise.
860 Thu Mar 25 10:05:56 1999 Richard Henderson <rth@cygnus.com>
862 * i386.h (PREFERRED_STACK_BOUNDARY): Set to 128.
864 1999-03-25 Philip Blundell <pb@nexus.co.uk>
866 Based on patch from Jim Studt <jim@federated.com>:
867 * config/arm/linux-elf.h (STARTFILE_SPEC, ENDFILE_SPEC): Copy
868 definitions from config/linux.h.
869 (DBX_BLOCKS_FUNCTION_RELATIVE): Define to 1.
871 Thu Mar 25 02:12:42 1999 Finn Hakansson <finn@axis.com>
873 * loop.c (strength_reduce): Correct a comment.
875 * rtl.h (MEM_COPY_ATTRIBUTES): Remove unnecessary ending backslash.
877 Thu Mar 25 02:02:13 1999 Axel Thimm <Axel.Thimm@physik.fu-berlin.de>
879 * Makefile.in (RANLIB_TEST): Improve test.
881 Thu Mar 25 01:15:33 1999 Donn Terry <donn@interix.com>
883 * combine.c (force_to_mode, case PLUS): Use sign extended mask
884 when masking the low bits out of a constant.
886 Tue Mar 23 15:45:25 1999 Richard Earnshaw (rearnsha@arm.com)
887 Jeff Law <law@cygnus.com>
889 * fold-const.c (make_range): If orig_type is unset, set it as soon
890 as we know the type. Remove now unnecessary set of orig_type for
893 Wed Mar 24 23:27:25 1999 Mark Elbrecht <snowball3@usa.net>
894 Jeff Law <law@cygnus.com>
896 * system.h (STDIN_FILENO): Provide default definition if one is not
897 provided by the system header files.
898 (STDOUT_FILENO, STDERR_FILENO): Likewise.
900 * i386/xm-djgpp.h (COLLECT2_HOST_INITIALIZATION): New macro.
901 * collect2.c (main): Use it.
902 (pexecute_pid): New variable. Holds return value from call to pexecute.
903 (collect2_execute): Rework to use pexecute instead of fork.
904 (collect2_wait): Use pwait() instead of wait().
906 * i386/djgpp.h: Fix typo.
908 Wed Mar 24 23:24:30 1999 Jeffrey A Law (law@cygnus.com)
910 * fixinc/mkfixinc.sh: Recognize cygwin* instead of only
913 Wed Mar 24 15:44:12 1999 Nick Clifton <nickc@cygnus.com>
915 * config/m32r/m32r.c (init_idents): Accept both NAME and __NAME__
916 versions of attribute names and values.
917 (m32r_valid_machine_decl_attribute): Likewise.
918 (m32r_encode_section_info): Likewise.
920 Wed Mar 24 21:42:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
922 * reload1.c (choose_reload_regs): If output-reloading for a
923 simple move insn, try to inherit an equivalence for the input.
925 1999-02-24 Mike Stump <mrs@wrs.com>
927 * arm/aout.h (DBX_OUTPUT_MAIN_SOURCE_FILENAME): Fix quoting.
929 1999-03-24 Jim Blandy <jimb@zwingli.cygnus.com>
931 * libgcc2.c (__CTOR_LIST__, __DTOR_LIST__): Initialize on all
934 Wed Mar 24 01:35:01 1999 Geoff Keating <geoffk@ozemail.com.au>
936 * fold-const.c (fold): Recognize a rotate by an unsigned amount.
938 Tue Mar 23 23:32:14 1999 Jeffrey A Law (law@cygnus.com)
940 * pa.md (rotlsi3): New expander. Synthesize a variable rotate
941 left using a variable rotate right. Provide anonymous pattern for
942 rotate left by a constant value.
944 * expr.c (expand_assignment): Do not try to optimize a aggregate
945 address which has VOIDmode.
947 Tue Mar 23 22:51:48 1999 Mumit Khan <khan@xraylith.wisc.edu>
948 Donn Terry <donn@interix.com>
950 * protoize.c (abspath): Preserve multiple leading slashes for
953 1999-01-23 Mike Stump <mrs@wrs.com>
955 * arm/vxarm.h: Split out vxWorks support into separate headerfile
957 * arm/arm.c (cpu_defaults): Allow arm710 as default.
959 * configure.in: Split out vxWorks support for Arm.
960 * configure: Rebuilt.
962 Tue Mar 23 11:20:03 1999 Per Bothner <bothner@cygnus.com>
964 * tree.c (first_rtl_op, has_cleanups): Handle GOTO_SUBROUTINE_EXPR.
966 Tue Mar 23 09:00:39 1999 Nick Clifton <nickc@cygnus.com>
968 * config/arm/riscix1.h (SUBTARGET_SWITCHES): Add doc string.
969 * config/arm/riscix1-1.h (SUBTARGET_SWITCHES): Add doc string.
971 Tue Mar 23 07:50:20 1999 Mark Mitchell <mark@codesourcery.com>
973 * function.c: Include hash.h.
974 (insns_for_mem_entry): New struct.
975 (put_reg_into_stack): Take an optional hash-table mapping MEMs to
976 the INSNs that use them.
977 (fixup_var_refs): Likewise.
978 (put_addressof_into_stack): Likewise.
979 (purge_addressof_1): Likewise. Keep the hash-table up to date if
980 we add new instructions.
981 (fixup_var_refs_insns): Use it to avoid searching the entire
983 (insns_for_mem_newfunc): New function.
984 (insns_for_mem_comp): Likewise.
985 (insns_for_mem_walk): Likewise.
986 (compute_insns_for_mem): Likewise.
987 (pop_function_context_from): Pass NULL for the hash-table.
988 (put_var_into_stack): Likewise.
989 (gen_mem_addressof): Likewise.
990 (flush_addressof): Likewise.
991 (purge_addressof): Call compute_insns_for_mem to pre-compute the
993 * Makefile.in (OBJS): Include hash.o.
994 (function.o): Depend on hash.h.
996 Tue Mar 23 00:39:14 1999 Jeffrey A Law (law@cygnus.com)
998 * i386/openbsd.h (TARGET_DEFAULT): Use symbolic names instead of
1000 * i386/netbsd.h, i386/freebsd.h: Likewise.
1002 * crtstuff.c: Use ANSI function definitions. Fix minor whitespace
1005 * i386/openbsd.h (TARGET_DEFAULT): Define.
1006 * configure.in: Do not set TARGET_CPU_DEFAULT for x86 OpenBSD
1008 * configure: Rebuilt.
1010 Tue Mar 23 00:39:10 1999 John Wehle (john@feith.com)
1012 * i386/freebsd.h (TARGET_DEFAULT): Define instead
1013 of TARGET_CPU_DEFAULT.
1014 * i386/netbsd.h (TARGET_DEFAULT): Likewise.
1016 Mon Mar 22 23:52:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
1017 Donn Terry <donn@interix.com>
1019 * sdbout.c (syms.h): Don't include on Interix.
1020 * toplev.c (main): No sbrk on Interix.
1022 * configure.in: Add i386-pc-interix support.
1023 * configure: Regenerate.
1024 * fixinc.interix: New file.
1025 * config/interix.h: New file.
1026 * config/x-interix: New file.
1027 * config/xm-interix.h: New file.
1028 * i386/interix.h: New file.
1029 * i386/interix.c: New file.
1030 * i386/t-interix: New file.
1032 Mon Mar 22 23:41:49 1999 Jeffrey A Law (law@cygnus.com)
1034 * i386.h (PREFERRED_STACK_BOUNDARY): Define.
1036 Mon Mar 22 23:41:31 1999 John Wehle (john@feith.com)
1038 * i386.c (ix86_compute_frame_size): New function.
1039 (ix86_prologue, ix86_epilogue): Use it.
1040 * i386.h (INITIAL_ELIMINATION_OFFSET): Likewise.
1041 * reload1.c: Provide default for PREFERRED_STACK_BOUNDARY.
1043 Mon Mar 22 18:06:59 1999 Jim Wilson <wilson@cygnus.com>
1045 * mips/mips.h (TARGET_SWITCHES, TARGET_OPTIONS): Add option doc
1047 * mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Likewise.
1049 Mon Mar 22 16:18:27 1999 Nick Clifton <nickc@cygnus.com>
1051 * config/arm/elf.h (VALID_MACHINE_DECL_ATTRIBUTE): Do not bother
1052 passing ATTRIBUTES to arm_valid_machine_decl_attribute.
1054 * config/arm/coff.h (VALID_MACHINE_DECL_ATTRIBUTE): Do not bother
1055 passing ATTRIBUTES to arm_valid_machine_decl_attribute.
1057 * config/arm/arm.h (DEFAULT_RTX_COSTS): Do not bother passing
1058 OUTER_CODE to arm_rtx_costs - it is not used.
1059 (arm_compare_fp): Delete declaration.
1060 (FINAL_PRESCAN_INSN): Do not bother passing OPVEC or NOPERANDS to
1061 arm_final_prescan_insn - they are not used.
1062 (const_ok_for_op): Remove prototype.
1063 (arm_rtx_costs): Fix prototype.
1064 (arm_valid_machine_decl_attribute): Fix prototype.
1065 (final_prescan_insn): Fix prototype.
1067 * config/arm/arm.md: Remove references to arm_compare_fp.
1069 * config/arm/arm.c (arm_compare_fp): Delete.
1070 (const_ok_for_op): Make function static. Add prototype. Remove
1071 mode parameter - it is unused.
1072 (arm_rtx_costs): Remove outer_code parameter.
1073 (reload_memory_operand): Declare mode parameter unused.
1074 (power_of_two_operand): Declare mode parameter unused.
1075 (equality_operator): Declare mode parameter unused.
1076 (load_multiple_operation): Declare mode parameter unused.
1077 (store_multiple_operation): Declare mode parameter unused.
1078 (multi_register_push): Declare mode parameter unused.
1079 (arm_valid_machine_decl_attribute): Remove attributes parameter -
1081 (select_dominance_cc_mode): Remove op parameter - it is unused.
1082 (gen_compare_reg): Remove fp parameter - it is unused.
1083 (final_prescan_insn): Remove opvec and noperands parameters - they
1086 Mon Mar 22 14:35:28 1999 Nick Clifton <nickc@cygnus.com>
1088 * tm.texi (MD_SCHED_INIT): Add missing closing parenthesis.
1090 Mon Mar 22 22:24:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1092 * reload1.c (reload_as_needed): Set reload_is_output_reload /
1093 reload_has_output_reload for auto_inc expressions that could be
1094 reloaded. Call forget_old_reloads for REG_INC notes.
1096 Mon Mar 22 21:51:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1098 * cse.c (cse_insn): Don't change the result register of a libcall.
1100 Mon Mar 22 21:08:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1102 * rtl.h (shallow_copy_rtx): Declare.
1103 * rtl.c (shallow_copy_rtx): New function.
1104 * reload.c (find_reloads_toplev): Use shallow_copy_rtx instead of
1107 Mon Mar 22 10:44:33 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
1109 * config/h8300/h8300.md (adjust_length): New attribute.
1110 (modhi3+1, andsi3+1, iorsi3+1, extzv+1, extzv+2): Change insn
1111 default value of attribute "adjust_length" onto "no".
1113 * config/h8300/h8300.c (h8300_adjust_insn_length): Adjust
1114 length only if the attribute "adjust_length" value is "yes".
1115 Use 0 if the shift is negative.
1117 * final.c (shorten_branches): Check insn length after its
1120 Sun Mar 21 17:33:48 1999 Jeffrey A Law (law@cygnus.com)
1122 * i860.h (TARGET_SWITCHES): Add documentation for default case.
1123 * i860/paragon.h (TARGET_SWITCHES): Add documentation for default case.
1124 * i370.h (TARGET_SWITCHES): Add documentation for default case.
1125 * fx80.h (TARGET_SWITCHES): Add documentation for default case.
1126 * elxsi.h (TARGET_SWITCHES): Add documentation for default case.
1127 * clipper.h (TARGET_SWITCHES): Add documentation for default case.
1128 * 1750a.h (TARGET_SWITCHES): Add documentation for default case.
1129 * pa.h (TARGET_SWITCHES): Add documentation for default case.
1130 (TARGET_OPTIONS): Likewise for default case.
1131 * mn10300.h (TARGET_SWITCHES): Add documentation for default case.
1132 * h8300.h (TARGET_SWITCHES): Add documentation for default case.
1134 * gcse.c (dump_hash_table): Fix whitespace in declaration.
1135 (compute_transpout): Renamed from pre_compute_transpout.
1136 (compute_pre_*): Deleted.
1137 (pre_expr_reaches_here_p): New argument, CHECK_PRE_COMP. All
1139 (insert_insn_end_bb): Renamed from pre_insert_insn.
1140 (pre_*): Delete unused variables. Only leave local properties and
1141 global redundant/optimal computation points.
1142 (alloc_pre_mem, free_pre_mem): Corresponding changes.
1143 (compute_pre_data): Simplify and call pre_lcm to run the lazy
1144 code motion dataflow analysis.
1145 (pre_insert, pre_insert_copies, pre_delete): Revamp to use LCM
1146 based redundant and optimal computation points.
1148 * basic-block.h (pre_lcm, pre_rev_lcm): Declare.
1150 * toplev.c (main): A debug option without a level defaults to
1153 Sun Mar 21 12:13:01 1999 Nick Clifton <nickc@cygnus.com>
1155 * flow.c (can_delete_label_p): Do not allow user specified
1156 labels to be deleted.
1157 * dwarf2out.c (gen_label_die): Generate addresses for deleted
1158 (programmer specified) labels.
1159 * dwarfout.c (output_label_die): Generate addresses for deleted
1160 (programmer specified) labels.
1162 1999-03-21 Manfred Hollstein <manfred@s-direktnet.de>
1164 * Makefile.in (xgcc$(exeext)): Add intl.o to list of files to be
1167 Sun Mar 21 01:15:03 PST 1999 Jeff Law (law@cygnus.com)
1169 * version.c: Bump for snapshot.
1171 Sat Mar 20 22:26:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1173 * sparc.h (TARGET_SWITCHES): Add null description to default case.
1175 Sat Mar 20 21:46:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1177 * c-lex.c (yylex): Remove unused variable `bytes'.
1179 * flow.c (print_rtl_with_bb): Cast the return value of alloca.
1181 * function.c (assign_parms): Wrap variable `varargs_setup' in
1182 macro SETUP_INCOMING_VARARGS.
1183 (thread_prologue_and_epilogue_insns): Mark parameter `f' with
1186 * local-alloc.c (no_equiv): Likewise for parameter `store'.
1188 * sched.c (schedule_insns): Remove unused variables `insn' and `next'.
1190 * tlink.c (symbol_hash_newfunc, symbol_hash_lookup,
1191 file_hash_newfunc, file_hash_lookup, demangled_hash_newfunc,
1192 demangled_hash_lookup, symbol_push, symbol_pop, file_push,
1193 file_pop, tlink_init, tlink_execute, frob_extension,
1194 obstack_fgets, tfgets, pfgets, freadsym, read_repo_file,
1195 maybe_tweak, recompile_files, read_repo_files,
1196 demangle_new_symbols, scan_linker_output): Add static prototype.
1198 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc):
1199 Make the third argument a `hash_table_key'.
1201 * toplev.c (debug_start_source_file): Mark parameter `filename'
1202 with ATTRIBUTE_UNUSED.
1204 Sun Mar 21 02:28:21 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1206 * tm.texi (Varargs): Don't split argument of @item across lines.
1208 * invoke.texi: Fix use of @item vs @itemx.
1210 Sun Mar 21 09:59:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1212 * config/c4x/c4x.h (TARGET_SWITCHES): Add null description to
1215 Sat Mar 20 23:33:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1217 * loop.c (check_dbra_loop): Fix debug message.
1219 Sat Mar 20 15:54:35 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1221 * config/c4x/c4x.md (decrement_and_branch_on_count): Emit rptb_end
1222 pattern instead of decrement_and_branch_until_zero pattern.
1224 Sat Mar 20 11:39:58 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1226 * config/c4x/c4x.h (TARGET_SWITCHES): Add documentation.
1227 * config/c4x/c4x.h (TARGET_OPTIONS): Add documentation.
1229 Fre Mar 19 23:26:29 1999 Martin von Löwis <loewis@informatik.hu-berlin.de>
1231 * expr.c (expand_expr): Handle ERROR_MARK much earlier.
1233 Fri Mar 19 15:28:38 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1235 * cccp.c (create_definition): Cast to U_CHAR* when assigning to one.
1237 * cppfiles.c (read_and_prescan): Likewise.
1238 Start a #define in column 0.
1240 * cpplib.c (cpp_define): Cast to U_CHAR* when assigning to one.
1241 (cpp_push_buffer): Likewise for cpp_buffer*.
1242 (do_include): Change the type of `fbeg' and `fend' to unsigned char*.
1243 (do_endif): Cast to char* when assigning to one.
1244 (do_assert): Likewise.
1245 (do_unassert): Likewise.
1246 (cpp_read_check_assertion): Change the type of `name' to U_CHAR*.
1247 Don't do unnecessary cast to char* anymore.
1249 * genrecog.c (make_insn_sequence): Cast to char** when assigning
1250 to one. Cast the first argument of bzero to PTR.
1252 * loop.c (strength_reduce): Remove unused variable `note'.
1254 * reload1.c (new_insn_chain): Cast to struct insn_chain* when
1257 * rtl.c (copy_rtx): Use memcpy instead of bcopy.
1259 Fri Mar 19 11:19:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1261 * calls.c (initialize_argument_information): Mark parameters
1262 `num_actuals' and `n_named_args' with ATTRIBUTE_UNUSED.
1264 * dbxout.c (dbxout_start_new_source_file): Likewise for parameter
1266 (dbxout_finish): Likewise for parameters `file' and `filename'.
1267 (dbxout_prepare_symbol): Likewise for parameter `decl'.
1268 (dbxout_begin_function): Likewise.
1270 * explow.c (hard_function_value): Likewise for parameter `func'.
1272 * function.c (locate_and_pad_parm): Likewise for parameter `fndecl'.
1274 * expmed.c (expand_divmod): Omit unused argument to `expand_abs'.
1275 * expr.c (expand_expr): Likewise.
1276 * expr.h (expand_abs): Delete unused argument from prototype.
1277 * optabs.c (expand_abs): Remove unused parameter `unsignedp'.
1279 * sdbout.c (sdbout_init): Mark parameter `syms' with ATTRIBUTE_UNUSED.
1280 (sdbout_end_block): Likewise for parameter `n'.
1282 * toplev.c (debug_define): Likewise for parameters `lineno' and
1284 (debug_undef): Likewise.
1286 * varasm.c (named_section): Likewise for parameter 'reloc'.
1287 (assemble_external): Likewise for parameter `decl'.
1288 (assemble_alias): Likewise for parameter `target'.
1290 Fri Mar 19 01:54:30 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1292 * toplev.c (read_integral_parameter): Constify. Better control of
1294 (main): Use read_integral_parameter to set optimize, id_clash_len,
1295 larger_than_size, and the debugging level.
1296 * toplev.h (read_integral_parameter): Update prototype.
1298 Fri Mar 19 01:42:05 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
1300 * system.h: Use putc_unlocked, fputc_unlocked, and
1301 fputs_unlocked only if putc_unlocked has a prototype already.
1302 Prototype fputs_unlocked if necessary.
1303 * configure.in: Check for prototypes of putc_unlocked and
1305 * acconfig.h: Updated.
1306 * config.in, configure: Rebuilt.
1308 Fri Mar 19 02:45:12 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
1310 * Makefile.in (INTL_TARGETS): New macro.
1311 ($(INTL_TARGETS)): Depend on generated sources; drop dependencies
1312 on cp/parse.c and objc/objc-parse.c.
1313 ($(srcdir)/cp/parse.c): Move to cp/Make-lang.in.
1314 * objc/Make-lang.in ($(INTL_TARGETS)): Depend on objc/objc-parse.c.
1316 Thu Mar 18 22:28:53 1999 Jeffrey A Law (law@cygnus.com)
1318 * i860.h (TARGET_SWITCHES): Add documentation.
1319 * i860/paragon.h (TARGET_SWITCHES): Add documentation.
1320 * i370.h (TARGET_SWITCHES): Add documentation.
1321 * fx80.h (TARGET_SWITCHES): Add documentation.
1322 * elxsi.h (TARGET_SWITCHES): Add documentation.
1323 * clipper.h (TARGET_SWITCHES): Add documentation.
1324 * 1750a.h (TARGET_SWITCHES): Add documentation.
1325 * pa.h (TARGET_SWITCHES): Add documentation.
1326 (TARGET_OPTIONS): Likewise.
1327 * mn10300.h (TARGET_SWITCHES): Add documentation.
1328 * h8300.h (TARGET_SWITCHES): Add documentation.
1330 Thu Mar 18 15:58:26 1999 Nick Clifton <nickc@cygnus.com>
1332 * loop.c (strength_reduce): Do not perform pseudo replacements
1333 if the loop contains volatile memory references.
1335 Thu Mar 18 19:09:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1337 * reload.c (find_reloads_toplev): When processing X recursively,
1338 don't alter it destructively except by filling in constants.
1340 Thu Mar 18 10:14:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1342 * cccp.c (default_include): Initialize structure members.
1343 (pass_thru_directive): Change the type of 'keyword_length' to int.
1344 (main): Cast `bindtextdomain' and `textdomain' to (void).
1346 * collect2.c (main): Likewise.
1348 * cppmain.c (main): Likewise.
1350 * gcc.c (main): Likewise.
1352 * gcov.c (main): Likewise.
1354 * protoize.c (main): Likewise.
1356 * toplev.c (main): Likewise.
1358 1999-03-18 Gavin Romig-Koch <gavin@cygnus.com>
1360 * config/mips/mips.c (mips_explicit_type_size_string): Correct
1363 Thu Mar 18 01:24:25 1999 Jeffrey A Law (law@cygnus.com)
1365 * configure.in: Use "exit 1", not "exit (1)".
1366 * configure: Rebuilt.
1368 Wed Mar 17 23:17:42 1999 Mark Kettenis <kettenis@gnu.org>
1370 * config/t-gnu (SYSTEM_HEADER_DIR): New variable. Set to
1371 `/include' in order to find the system's limits.h.
1373 Wed Mar 17 23:00:18 1999 Robert Lipe <robertlipe@usa.net>
1375 * fixinc/fixincl.c: Include auto-host.h instead of config.h.
1376 * fixinc/procopen.c: Likewise.
1377 * fixinc/regex.c: Likewise.
1378 * fixinc/server.c: Likewise.
1380 Wed Mar 17 22:46:13 1999 Mark Elbrecht <snowball3@usa.net.
1382 * config/i386/go32.h: Delete.
1383 * config/i386/djgpp.h: New. Renamed from go32.h.
1384 Added -DDJGPP=2 to CPP_PREDEFINES.
1385 * config/i386/go32-rtems.h: Delete.
1386 * config/i386/djgpp-rtems.h: New. Renamed from go32-rtems.h.
1387 Added -DDJGPP=2 to CPP_PREDEFINES.
1388 * config/i386/xm-go32.h: Delete.
1389 * config/i386/xm-djgpp.h: New. Renamed from xm-go32.h.
1390 * config/i386/x-go32: Delete.
1391 * config/i386/x-djgpp: New. Renamed from x-go32.
1392 * config/i386/t-go32: Delete.
1393 * config/i386/t-djgpp: New. Renamed from t-go32.
1394 * configure.in(pc-msdosdjgpp): Set xm_file to i386/xm-djgpp.h.
1395 Set tm_file to i386/djgpp.h. Set tmake_file to i386/t-djgpp.
1396 Set xmake_file to i386/x-djgpp.
1397 (*-go32-msdos, *-go32*): Remove entries. Warn that GO32/DJGPP V1.X
1398 is now unsupported and *-pc-msdosdjgpp for DJGPP V2.X should be
1400 * configure: Rebuilt.
1402 * gcc.c (process_command): Dump link_command_spec too.
1404 Wed Mar 17 20:38:08 1999 Jerry Quinn <jquinn@nortelnetworks.com>
1405 Jeff Law <law@cygnus.com>
1407 * pa.md: Add real PA8000 scheduling information.
1409 * pa.h (processor_type): Add PROCESSOR_8000 symbol.
1410 (ISSUE_RATE): Revamp, including PA8000 support.
1411 * pa.c (override_options): Add 8000 as -mschedule= option.
1412 Do not call strcmp if pa_cpu_string is null.
1413 * pa.md (attr cpu): Add 8000.
1414 * invoke.texi: Add documentation for PA8000 scheduling.
1416 Wed Mar 17 18:20:24 1999 David S. Miller <davem@redhat.com>
1418 * config/sparc/sparc.h (TARGET_SWITCHES, TARGET_OPTIONS):
1420 * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
1421 * config/sparc/splet.h (SUBTARGET_SWITCHES): Likewise.
1423 Wed Mar 17 14:51:19 1999 Richard Henderson <rth@cygnus.com>
1425 * flow.c (compute_immediate_dominators): New function.
1426 * basic-block.h (compute_immediate_dominators): Declare it.
1428 * alpha.h (HARD_REGNO_MODE_OK): Allow only 4 and 8 byte unit modes
1430 (MODES_TIEABLE_P): Define asymmetricly wrt modes illegal in FP regs.
1432 Wed Mar 17 14:41:41 1999 Nick Clifton <nickc@cygnus.com>
1434 * config/arm/aout.h (ASM_GENERATE_INTERNAL_LABEL): Fix compile
1436 * config/arm/arm.md: Fix various compile time warnings.
1437 * config/arm/arm.h: Fix various compile time warnings. Add
1438 function prototypes.
1439 * config/arm/arm.c: Fix various compile time warnings.
1440 (arm_override_options): Reorganize to separate tuning from
1442 (bit_count): New function: Return a count of the number of bits
1445 Wed Mar 17 21:29:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1447 * reload1.c (eliminate_regs): Don't keep REG_DEAD notes around for
1448 things that were eliminated.
1450 Wed Mar 17 12:16:26 1999 Richard Henderson <rth@cygnus.com>
1452 * function.c (fixup_var_refs_1): First try moving the expression
1453 directly into a register. Don't separate cc0 setter and user.
1455 Wed Mar 17 11:20:29 1999 Dave Brolley <brolley@cygnus.com>
1457 * cppfiles.c (PIPE_BUF): #define PIPE_BUF if not defined already.
1459 Wed Mar 17 09:25:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1461 * c-lex.c: Don't include setjmp.h.
1462 (parse_float): New static function.
1463 (pf_args): New struct.
1464 (yylex): Use them in call to `do_float_handler'.
1466 1999-03-16 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1468 * cexp.y (yyerror): Call verror to get a useful error message.
1471 * .gdbinit: Move command to put breakpoint at abort to end of file
1472 so that gdb does not bail out early.
1474 Tue Mar 16 15:30:19 1999 Nick Clifton <nickc@cygnus.com>
1476 * rtl.h: Rename prototype for free_bb_memory to free_bb_mem.
1478 Tue Mar 16 23:40:09 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1480 * sh.md (movsi_i): Move t/r alternative after r/rI alternative.
1482 Tue Mar 16 13:44:50 1999 Jim Wilson <wilson@cygnus.com>
1484 * mn10200/mn10200.md (addsi3, subsi3, ashlsi3, lshrsi3, ashrsi3):
1485 Delete emit_library_call_value declaration.
1487 1999-03-16 16:06 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1489 * cppfiles.c (read_and_prescan): Map backslash-newline to '\r'
1490 (which cannot otherwise appear in the processed buffer) and
1491 move it out of tokens that it appears in the middle of.
1492 Improve performance.
1493 (find_position): New function.
1495 * cpplib.c: \r (one character) indicates backslash
1496 newline, not \\\n (two characters). It cannot appear in the
1497 middle of a token. Call CPP_BUMP_LINE (pfile) whenever
1498 parsing moves past \n or \r. Increment pfile->lineno whenever
1499 a \n is placed into token_buffer. Only one mark can exist at
1500 a time, and CPP_BUMP_LINE must not be used while it is
1501 active. It is automatically cleared by cpp_pop_buffer and
1502 parse_goto_mark. \r is not in is_hor_space or is_space.
1504 (NEWLINE_FIX, NEWLINE_FIX1, adjust_position,
1505 update_position, count_newlines, parse_move_mark): Removed.
1506 (parse_string, copy_comment): New functions.
1507 (parse_name): Returns void.
1508 (parse_set_mark, parse_clear_mark, parse_goto_mark): Take only
1509 one argument, a cpp_reader *. Change for new marking scheme.
1510 (skip_comment): Handle CHILL line comments too. Second
1511 argument is now first character of comment marker; all callers
1512 changed. Issue error for unterminated block comment here.
1513 (cpp_skip_hspace): Recognize CHILL comments.
1514 (copy_rest_of_line): Likewise. Call skip_comment and
1515 parse_string directly, don't go through cpp_get_token. Emit
1516 "/**/" for block comments if -traditional (create_definition
1518 (do_define): Don't play with put_out_comments.
1519 (cpp_push_buffer): Initialize ->mark to -1.
1520 (cpp_buf_line_and_col): Just read out the values in the buffer
1522 (output_line_command): Use cpp_buf_line_and_col. Fix
1523 formatting. Remove stale code.
1524 (cpp_get_token): Break out string parsing code to
1525 parse_string. Use skip_comment for CHILL comments too. Use
1526 copy_comment for put_out_comments instead of dinking with
1527 marks. Remove stale code. Don't call output_line_command
1528 unless it's necessary.
1530 * cpplib.h (parse_marker): Removed.
1531 (struct cpp_buffer): Line_base is now a unsigned char *; add
1532 `mark' [long], remove `marks' [struct parse_marker *].
1533 (parse_set_mark, parse_clear_mark, parse_goto_mark): Update
1535 (CPP_BUMP_LINE, CPP_BUMP_BUFFER_LINE): New macros.
1536 * cppinit.c (is_hor_space, is_space): '\r' is not considered
1538 * cppexp.c (cpp_parse_expression): Use cpp_skip_hspace, not
1540 * cpphash.c (macarg): Disable line commands while expanding.
1542 Tue Mar 16 11:30:19 1999 Gavin Romig-Koch <gavin@cygnus.com>
1544 * c-lex.c (yylex) : Remove warning for integer literals being
1545 larger than the largest target int. Add warning for integer
1546 literal being larger than than its chosen type.
1548 Tue Mar 16 10:53:17 1999 Gavin Romig-Koch <gavin@cygnus.com>
1550 * invoke.texi: Add -mlong32 documentation.
1551 * config/mips/mips.h (mips_explicit_type_size_string): New.
1552 (TARGET_SWITCHES): Add 'long32'.
1553 (TARGET_OPTIONS): Add 'explicit-type-size'.
1554 (CC1_SPECS): Set -mexplicit-type-size.
1555 (LONG_MAX_SPEC): Change a use of 'no-long64' to 'long32'.
1556 * config/mips/abi64.h (LONG_MAX_SPEC): Same. Add 'mabi=32'.
1557 * config/mips/mips.c (mips_explicit_type_size_string): New.
1558 (override_options): Use it.
1559 * config/mips/osfrose.h (CC1_SPECS): Set -mexplicit-type-size.
1561 * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC):
1562 Pointer size now depends on both size longs and size of GP
1565 Tue Mar 16 10:22:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
1567 * config/mips/iris.h (CTORS_SECTION_ASM_OP,DTORS_SECTION_ASM_OP,
1568 dtors_section): Use Pmode == DImode rather than TARGET_LONG64.
1569 * config/mips/mips.c (override_options): Allow -mlong64 and
1570 -mint64 with -mips2 or less.
1571 * config/mips/mips.h (MASK_LONG64): Fix comment.
1572 (POINTER_SIZE): Use Pmode == DImode rather than TARGET_LONG64.
1573 (Pmode): Make Pmode the smaller of longs or gp registers.
1574 * invoke.texi: Note the new size for pointers.
1576 Mon Mar 15 22:45:25 1999 David Edelsohn <edelsohn@gnu.org>
1578 * rs6000.h (ASM_OUTPUT_{DOUBLE,FLOAT}): Always generate IEEE 754
1579 bit-pattern directly.
1580 (ASM_OUTPUT_REG_{PUSH,POP}): Delete.
1581 * rs6000.c (first_reg_to_save): If profiling and context needed,
1582 allocate a reg to save static chain for all ABIs. For AIX
1583 profiling, calculate parameter registers to save based on need.
1584 (output_function_profiler): Save and restore static chain around
1585 profile call for all ABIs.
1587 1999-03-15 21:39 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1589 * cppinit.c: Instead of one pending list, keep separate lists
1590 for each category of pending option: -D/-U, -A, -include,
1591 -imacros. Move the four partial include-path lists into the
1592 pending block. Use head and tail pointers so we don't ever
1593 have to reverse the lists.
1595 (cpp_start_read): Break out blocks of code to their own
1596 functions: install_predefs and initialize_dependency_output.
1597 Use path_include for C_INCLUDE_PATH and friends as well as
1598 CPATH. Remove include_defaults gunk. Warn about the
1599 combination of -lang-chill and -trigraphs. Optimize string
1600 bashing. Walk each pending list once, deallocating as we go.
1602 (append_include_chain): Brought over from cppfiles.c. Mark
1603 dirs as system include dirs if and only if appending to
1604 system include path. If opts->verbose, print a notice when a
1605 dir is dropped from the include path because it doesn't
1606 exist. Fix memory leak: this function is not supposed to copy
1609 (nreverse_pending, push_pending): Removed.
1610 (APPEND): New macro for adding to pending lists.
1611 (path_include): Can now add to any partial include path.
1612 (base_name): Bring over from cccp.c.
1613 (cpp_options_init): Allocate the pending block.
1614 (cpp_handle_option): Add --version. Exit after --help. Fix
1615 formatting. Order -ifoo options by frequency of usage.
1616 (install_predefs): New function, simplified version of code
1617 that was in cpp_start_read.
1618 (initialize_dependency_output): Likewise. Understand OBJECT_SUFFIX.
1620 * cppfiles.c (simplify_pathname): Export.
1621 (merge_include_chains): Don't nreverse the lists. If
1622 opts->verbose, print a notice when a duplicate dir is detected
1623 and dropped from the include path.
1624 (finclude): Fix excessive cleverness in setting
1625 fp->system_header_p.
1626 (actual_directory): Set x->sysp from
1627 CPP_BUFFER (pfile)->system_header_p so that one system header
1628 may include another with "".
1629 (deps_output): Fix double adjustment of deps_size which would
1630 cause all dependencies after the first two lines to be lost.
1632 * cpplib.c (cpp_unassert): New function.
1633 * cpplib.h: Lay out struct cpp_pending here. Adjust
1634 prototypes. Add include_prefix_len to struct cpp_options.
1636 Mon Mar 15 16:01:52 1999 Jim Wilson <wilson@cygnus.com>
1638 * config/misp/mips.h (REGISTER_MOVE_COST): Make the cost of moving
1639 from HI/LO/HILO/MD into general registers the same as for one
1640 of moving general registers to HI/LO/HILO/MD.
1642 Mon Mar 15 12:39:38 1999 Nick Clifton <nickc@cygnus.com>
1644 * config/m32r/m32r.c (init_idents): New function. Initialize
1645 static tree nodes for m32r specific attribute identifiers. Remove
1646 leading and trailing double underscores from the attribute names.
1647 (m32r_valid_machine_decl_attribute): Call init_idents.
1648 (m32r_encode_section_info): Call init_idents.
1650 Mon Mar 15 10:20:20 1999 Mark Mitchell <mark@markmitchell.com>
1652 * reload.c (find_reloads): Add a REG_LABEL note if we substitute a
1653 LABEL_REF for something else.
1655 Mon Mar 15 08:24:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1657 * fold-const.c (exact_real_inverse): Move variable `float_error'
1658 into the scope where it is used.
1659 (const_binop_1): New static function.
1660 (cb_args): New struct.
1661 (const_binop): Use them in call to `do_float_handler'.
1662 (fold_convert_1): New static function.
1663 (fc_args): New struct.
1664 (fold_convert): Use them in call to `do_float_handler'.
1666 Mon Mar 15 22:50:18 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1668 * rtlanal.c (auto_inc_p): New function.
1669 * rtl.h (auto_inc_p): Prototype it.
1670 * reload1.c (add_auto_inc_notes): New function.
1671 (reload): Strip REG_INC notes and call add_auto_inc_notes
1672 for each insn to restore them correctly.
1674 1999-03-15 Manfred Hollstein <manfred@s-direktnet.de>
1676 * fixinc/Makefile.in (procopen.o): List the actual
1679 Sun Mar 14 16:22:10 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1681 * cse.c (check_fold_consts): New static function.
1682 (cfc_args): New struct.
1683 (simplify_relational_operation): Use them in call to
1686 * toplev.c (do_float_handler): New function to wrap calls to
1687 setjmp/set_float_handler.
1689 * toplev.h (do_float_handler): Add extern prototype.
1691 * tree.c (build_real_from_int_cst_1): New static function.
1692 (brfic_args): New struct.
1693 (build_real_from_int_cst): Use them in call to
1696 Sun Mar 14 01:15:06 PST 1999 Jeff Law (law@cygnus.com)
1698 * version.c: Bump for snapshot.
1700 Sat Mar 13 17:37:18 1999 Richard Henderson <rth@cygnus.com>
1702 * haifa-sched.c (sched_analyze_1): Only clear reg_last_uses on a SET.
1704 Sat Mar 13 11:36:16 1999 Richard Earnshaw (rearnsha@arm.com)
1706 * arm.c (arm_split_constant): Don't try to force a constant to
1707 memory after arm_reorg has run.
1708 (after_arm_reorg): New static variable.
1709 (arm_reorg): Set it.
1710 (output_func_epilogue): Clear it.
1712 Fri Mar 12 20:26:32 1999 David Edelsohn <edelsohn@gnu.org>
1714 * configure.in ({rs6000,powerpc}-ibm-aix*): Set float_format to none.
1715 * configure: Rebuilt.
1717 Fri Mar 12 20:45:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1719 * unroll.c (loop_iterations): Don't return a final value for EQ
1722 Fri Mar 12 12:35:01 1999 Jim Wilson <wilson@cygnus.com>
1724 * reload1.c (calculate_needs_all_insns): When ignore equivalence
1725 setting insn, clear need_elim, need_reload, and need_operand_change.
1727 Fri Mar 12 07:54:43 1999 Bruce Korb <korb@datadesign.com>
1729 * fixinc/fixinc.*: Some changes from the fixincl-branch
1730 were not applied (??!!). Corrected.
1732 * fixinc/Makefile.in: Same thing.
1734 Fri Mar 12 00:51:43 1999 Jeffrey A Law (law@cygnus.com)
1736 * expr.c (expand_expr): Allow a CALL_EXPR with a mode wider than
1737 MAX_INTEGER_COMPUTATION_MODE.
1739 Thu Mar 11 14:00:58 1999 Richard Henderson <rth@cygnus.com>
1741 * alpha.h (HARD_REGNO_MODE_OK): Disallow QI/HImode in fp regs.
1742 (MODES_TIEABLE_P): Update.
1744 * alpha.md (ev5_e0): Conflict loads and stores.
1746 Thu Mar 11 13:55:52 1999 Richard Henderson <rth@cygnus.com>
1748 * machmode.h (smallest_mode_for_size): Prototype.
1749 * stor-layout.c (smallest_mode_for_size): Remove static.
1751 Thu Mar 11 21:25:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1753 * loop.c (strength_reduce): Don't do biv increment -> DEST_REG giv
1754 conversion if we don't know the lifetime.
1756 Thu Mar 11 20:37:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1758 * reload.1c (delete_address_reloads_1): Check for reloads of
1759 CURRENT_INSN even if it sets DST.
1761 Thu Mar 11 10:29:50 1999 Jason Merrill <jason@yorick.cygnus.com>
1763 * dwarf2out.c (add_AT_lbl_offset): Rename from add_AT_section_offset.
1764 (print_die, size_of_die, value_format, output_die): Adjust.
1766 Thu Mar 11 10:27:42 1999 Robert Lipe <robertlipe@usa.net>
1768 * dwarf2out.c (TEXT_SECTION_LABEL, DEBUG_LINE_SECTION_LABEL,
1769 DEBUG_INFO_SECTION_LABEL, ABBREV_SECTION_LABEL,
1770 text_section_label, debug_line_section_label,
1771 debug_info_section_label, abbrev_section_label): New.
1772 (output_compilation_unit_header): Emit label associated
1773 with section instead of section name itself.
1774 (out_pubnames, output_aranges, output_line_info,
1775 dwarf2out_finish): Likewise.
1776 (dwarf2out_init): Build internal label names for sections
1779 Thu Mar 11 17:28:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1781 * sh.md (mulsi3): End mul.l sequence with a no-op move.
1783 Thu Mar 11 08:52:02 1999 Bruce Korb <korb@datadesign.com>
1785 * Makefile.in: Activated fixinc/mkfixinc.sh.
1786 * configure.in: Activated fixinc/mkfixinc.sh.
1788 Thu Mar 11 01:38:02 1999 Mumit Khan <khan@xraylith.wisc.edu>
1790 * cppfiles.c (INO_T_EQ): Handle UWIN.
1792 * c-common.c (decl_attributes): Flag unrecognized attribute
1793 functions as warnings instead of as errors.
1795 Support for i386-pc-uwin.
1796 * i386/uwin.h: New file.
1797 * i386/xm-uwin.h: New file.
1798 * i386/t-uwin: New file.
1799 * i386/uwin.asm: New file.
1800 * configure.in (i[3456]86-*-uwin*): Define.
1801 Add Workaround for vfork bug when hosted on uwin.
1802 * configure: Regenerate.
1804 * cccp.c (INO_T_EQ): Undefine. UWIN has inodes.
1805 (absolute_filename): UWIN uses POSIX pathnames only.
1806 * libgcc2.c (getpagesize): Do not define for UWIN.
1807 (mprotect): Likewise.
1808 * protoize.c (dirent.h): Conditionally include.
1809 (fputc): Prototype only if it's not a macro.
1811 Wed Mar 10 02:49:04 1999 Jason Merrill <jason@yorick.cygnus.com>
1813 * configure.in: Remove init_priority stuff.
1815 1999-03-11 Colin Smith <colin@wrs.com>
1817 * sdbout.c (plain_type_1): Make boolean types work better with sdb.
1819 Thu Mar 11 00:20:52 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
1821 * gcc.texi: Update bug reporting instructions to match
1822 current ezmlm list reality.
1824 Wed Mar 10 23:11:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1826 * gcc.c (print_file_name, print_prog_name, spec_machine,
1827 read_specs, set_spec, lookup_compiler, build_search_list,
1828 putenv_from_prefixes, find_a_file, record_temp_file,
1829 delete_if_ordinary, handle_braces, do_spec, do_spec_1, find_file,
1830 is_directory, validate_switches, used_arg, default_arg,
1831 pfatal_with_name, perror_with_name, pfatal_pexecute, fatal, error,
1832 notice, add_preprocessor_option, add_assembler_option,
1833 add_linker_option, process_command, execute,
1834 unused_prefix_warnings, clear_args, fatal_error,
1835 lang_specific_driver, user_specs, compiler, link_command_spec,
1836 option_map, translate_options, make_temp_file, temp_name,
1837 programname, path_prefix, machine_suffix, just_machine_suffix,
1838 gcc_exec_prefix, standard_exec_prefix, standard_exec_prefix_1,
1839 md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1,
1840 standard_startfile_prefix, standard_startfile_prefix_1,
1841 standard_startfile_prefix_2, tooldir_base_prefix, tooldir_prefix,
1842 multilib_dir, temp_filename, temp_file, command, switchstr,
1843 infile, outfiles, input_filename, input_basename, input_suffix,
1844 check_live_switch, main): Qualify a char* with the `const' keyword.
1846 Wed Mar 10 20:28:29 1999 Jeffrey A Law (law@cygnus.com)
1849 * Makefile.in (OBJS): Add lcm.o.
1850 (lcm.o): Add dependencies.
1852 * gcse.c (compute_pre_local_properties): Delete.
1853 (compute_pre_data): Use compute_local_properties instead of
1854 compute_pre_local_properties.
1856 * gcse.c: More comments, whitespace and similar fixes.
1857 (dump_cuid_table, maybe_set_rd_gen, dump_cprop_data): Delete.
1858 (dump_pre_data, compute_cprop_local_properties): Likewise.
1859 (one_classic_gcse_pass): Lose unused argument. All callers changed.
1860 (compute_hash_table, compute_expr_hash_table): Likewise.
1861 (compute_set_hash_table, one_pre_gcse_pass, mark_call): Likewise.
1862 (cprop_insn, cprop, one_cprop_pass): Add new argument ALTER_JUMPS.
1863 All callers changed. Only alter jumps if ALTER_JUMPS is nonzero.
1864 Lose unused argument.
1865 (gcse_main): Always run a cprop pass after finishing global cse.
1866 (compute_local_properties): New function.
1867 (hash_scan_pat, hash_scan_insn): No longer call maybe_set_rd_gen.
1868 (compute_cprop_data): Use compute_local_properties.
1870 * gcse.c: Update various comments.
1871 (current_function_calls_longjmp): Delete declaration.
1873 * gcse.c (run_jump_opt_after_gcse): New variable.
1874 (gcse_main): Returns an integer.
1875 (hash_scan_set): Record initializations from CONST_DOUBLEs too.
1876 (try_replace_reg): Update some comments.
1877 (cprop_insn): Allow propagation into some JUMP_INSNs too.
1878 * rtl.h (gcse_main): Update prototype.
1879 * toplev.c (rest_of_compilation): If gcse_main returns nonzero,
1880 then run a jump optimization pass.
1881 * jump.c (delete_barrier_successors): Delete nop jumps too.
1883 Wed Mar 10 19:04:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1885 * sh.c (fp_arith_reg_operand): Actually test if reg is suitable
1886 for FP arithmetic. Changed caller.
1887 * sh.md (subsf3, subsf_i): Use fp_arith_reg_operand.
1889 Wed Mar 10 18:56:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1891 * reload1.c (choose_reload_regs): When inheriting from the frame
1892 pointer, don't clobber it.
1894 Wed Mar 10 08:01:52 1999 Bruce Korb <korb@datadesign.com>
1896 * fixinc/fixinc.*: Resync-ed with the files in this
1899 * fixinc/mkfixinc.sh: The machine case elements were
1900 out-of-order. (the ix86-*-linux-gnu* entry needed to
1903 Wed Mar 10 00:01:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1905 * reload1.c (reload_combine_note_store): Fix calculation of number
1906 of affected registers.
1908 Tue Mar 9 15:48:15 1999 Richard Henderson <rth@cygnus.com>
1910 * flow.c (tidy_fallthru_edge): Be more careful finding the last
1911 BARRIER of a list. Delete the cc0 setter as well as a cond jump.
1913 Tue Mar 9 15:26:02 1999 Hans-Peter Nilsson <hp@bitrange.com>
1915 * i386.md (ashlsi3 splitter): Fix typo in last change.
1917 Tue Mar 9 11:35:20 1999 Richard Henderson <rth@cygnus.com>
1919 * reg-stack.c (stack_reg_life_analysis): Use returnjump_p
1920 instead of an explicit test for RETURN.
1922 Tue Mar 9 09:33:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1924 * Makefile.in (toplev.o): Depend on $(BASIC_BLOCK_H).
1926 * toplev.c: Include basic-block.h.
1928 Tue Mar 9 02:08:17 1999 Jeffrey A Law (law@cygnus.com)
1930 * calls.c (load_register_parameters): New function.
1931 (expand_call): Use it.
1933 * calls.c (expand_call): Slightly reorganize code.
1935 * calls.c (compute_argument_addresses): New function.
1936 (rtx_for_function_call): New function.
1937 (expand_call): Use them.
1939 * i386.md (zero_extendhisi2): Split into an expander and anonymous
1940 pattern. Add new anonymous pattern for use when optimizing for
1941 size or for the PPro.
1942 (zero_extendqihi2, zero_extendqisi2): Likewise.
1944 Mon Mar 8 23:43:47 1999 Richard Henderson <rth@cygnus.com>
1946 * haifa-sched.c (sched_analyze_1): Fix last change -- add clobber
1947 dependencies to sets in the non-hard-reg case too.
1949 Mon Mar 8 18:55:21 1999 Marc Espie <espie@cvs.openbsd.org>
1951 * config/openbsd.h (HANDLE_SYSV_PRAGMA): Define.
1953 Mon Mar 8 16:04:44 1999 Jim Wilson <wilson@cygnus.com>
1955 * local-alloc.c (combine_regs): Don't combine if we have a hard reg
1956 for which CLASS_LIKELY_SPILLED_P is true.
1958 * unroll.c (loop_iterations): Only call loop_find_equiv_value if we
1959 have a REG or SUBREG.
1961 Mon Mar 8 15:27:42 1999 Jeffrey A Law (law@cygnus.com)
1963 * i386.md (ashlsi3): Revise comments. Provide new anonymous
1964 pattern for Pentium and PPro/PII. Reverse constraints in
1965 generic ashlsi3 anonymous pattern.
1967 * calls.c (initialize_argument_info): Accept a pointer to
1969 (expand_call): Pass the address of CUMULATIVE_ARGS.
1971 * rs6000/xm-sysv4.h (HOST_BITS_PER_LONGLONG): Remove #if 0.
1973 * mn10300.h (CASE_DROPS_THROUGH): Delete.
1974 * mn10200.h (CASE_DROPS_THROUGH): Delete.
1975 * h8300.h (CASE_DROPS_THROUGH): Delete.
1977 * flow.c (merge_blocks_nomove): For HAVE_cc0 targets, make sure
1978 to also delete the cc0 setter when deleting a conditional branch
1981 Mon Mar 8 18:47:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1983 * regmove.c (copy_src_to_dest): New argument max_old_uid.
1985 Mon Mar 8 08:23:00 1999 Bruce Korb <korb@datadesign.com>
1987 * ChangeLog: Merged entries from fixincl-branch.
1989 Sun Mar 7 11:48:56 1999 Richard Henderson <rth@cygnus.com>
1991 * haifa-sched.c (ENCODE_BLOCKAGE): Don't shift unit too far.
1992 (print_exp): Special case addition of a constant.
1993 (print_value) [CONST_INT]: Use HOST_WIDE_INT_PRINT_HEX.
1995 Sun Mar 7 11:21:02 1999 Richard Henderson <rth@cygnus.com>
1997 * haifa-sched.c (reg_last_clobbers): New.
1998 (reg_pending_clobbers, bb_reg_last_clobbers): New.
1999 (compute_block_backward_dependences): Allocate memory for them.
2000 (schedule_region): Likewise.
2001 (sched_analyze_1): Clobbers don't interfere with one another.
2002 They do interfere with sets ...
2003 (sched_analyze_2): ... and uses.
2004 (sched_analyze): Likewise.
2005 (sched_analyze_insn): Update reg_last_clobbers appropriately.
2007 Sun Mar 7 08:30:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2009 * gmon-sol2.c: Include config.h and system.h. Don't redundantly
2010 include system header files.
2012 (moncontrol, monstartup, _mcleanup, internal_mcount): Prototype.
2013 (_mcleanup): Add the `const' keyword to a char*.
2014 (internal_mcount): Declare `etext' as a char[] not a function.
2015 Cast `etext' to char* when calling `monstartup'.
2017 * sparc.c (frame_base_name, save_regs, restore_regs,
2018 build_big_number, sparc_cmodel_string, sparc_align_loops_string,
2019 sparc_align_jumps_string, sparc_align_funcs_string, code_model,
2020 cpu_default, cpu_table, output_function_prologue,
2021 output_function_epilogue, output_return,
2022 sparc_flat_output_function_prologue, ultra_code_names,
2023 sparc_flat_output_function_epilogue): Constify a char*.
2024 (hypersparc_adjust_cost): Add a default case in a switch.
2026 * sparc.h (sparc_cmodel_string, OVERRIDE_OPTIONS,
2027 sparc_cpu_select, sparc_align_loops_string,
2028 sparc_align_jumps_string, sparc_align_funcs_string,
2029 output_return): Constify a char*.
2031 * sparc.md (movdi): Change the comparison of HOST_BITS_PER_WIDE_INT
2032 so that we check "== 32", instead of "!= 64". Cast a value to
2033 HOST_WIDE_INT when comparing against one. Hide the declaration
2034 for variable `chain'.
2036 Sun Mar 7 08:05:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2038 * system.h (const, inline): Move the stage2 handling of these
2039 keywords-as-macros from here...
2041 * gansidecl.h (const, inline): ...to here.
2043 Sun Mar 7 02:44:15 1999 Richard Henderson <rth@cygnus.com>
2045 * recog.c (push_operand, pop_operand): VOIDmode needn't match modes.
2047 Sun Mar 7 01:58:47 1999 Richard Henderson <rth@cygnus.com>
2049 * cse.c (canon_hash): Never reject hard regs in CCmode.
2051 Sun Mar 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2053 * version.c: Bump for snapshot.
2055 Sat Mar 6 17:18:44 1999 Richard Earnshaw (rearnsha@arm.com)
2056 Richard Henderson <rth@cygnus.com>
2058 * flow.c (make_edges): Handle casesi that jump to default branch.
2059 If CASE_DROPS_THROUGH, force fallthru to block after casesi.
2061 Sat Mar 6 07:49:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2063 * c-aux-info.c (data_type, affix_data_type, gen_decl,
2064 gen_formal_list_for_type, gen_formal_list_for_func_def, gen_type):
2065 Qualify a char* with the `const' keyword.
2067 * c-common.c (declare_hidden_char_array, add_attribute, if_elt,
2068 declare_function_name, decl_attributes, format_char_info,
2069 check_format_info, binary_op_error): Likewise.
2071 * cexp.y (yyerror, error, pedwarn, warning, token): Likewise.
2073 * gcse.c (dump_hash_table): Likewise.
2075 * integrate.c (function_cannot_inline_p): Likewise.
2077 * optabs.c: Include insn-config.h earlier.
2078 (init_libfuncs, init_integral_libfuncs, init_floating_libfuncs):
2079 Qualify a char* with the `const' keyword.
2081 * real.c (asctoe24, asctoe53, asctoe64, asctoe113, asctoe,
2082 asctoeg, mtherr, ereal_atof): Likewise.
2084 * real.h (ereal_atof): Likewise.
2086 * sbitmap.c (dump_sbitmap_vector): Likewise.
2088 * sbitmap.h (dump_sbitmap_vector): Likewise.
2090 * stmt.c (nesting, n_occurrences, expand_start_case): Likewise.
2092 * toplev.c (rest_of_compilation): Likewise.
2094 * tree.h (function_cannot_inline_p, expand_start_case): Likewise.
2096 Fri Mar 5 23:16:42 1999 David Edelsohn <edelsohn@gnu.org>
2098 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Add 64-bit support and do
2099 not overwrite AIX link register save area.
2101 Fri Mar 5 23:08:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2103 * reload.c (find_reloads_subreg_address): Actually create the USE
2104 for the register, not the new memory location.
2106 Fri Mar 5 21:41:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2108 * reload1.c (emit_reload_insns): If pseudo that can't be replaced
2109 with its equivalent constant, fall back to reload_in.
2111 Fri Mar 5 13:20:39 1999 Richard Henderson <rth@cygnus.com>
2113 * Makefile.in: Delete .flow2 debugging files.
2115 Fri Mar 5 11:36:11 1999 Nick Clifton <nickc@cygnus.com>
2117 * config/arm/arm.c (arm_override_options): Change default target
2118 cpu selection so that enabling TARGET_APCS_32 does not override
2121 Fri Mar 5 19:26:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2123 * sh.h (SLOW_BYTE_ACCESS): Define to 1.
2124 (BOOL_TYPE_SIZE): Define.
2126 Fri Mar 5 02:14:54 1999 John Wehle (john@feith.com)
2128 * function.c (assign_stack_temp_for_type): Abort
2129 if mode == Blkmode and align is less than
2130 BIGGEST_ALIGNMENT / BITS_PER_UNIT.
2131 (assign_stack_temp_for_type): Round the size parameter
2132 passed to assign_stack_local instead of size itself.
2134 Thu Mar 4 15:00:35 1999 Richard Henderson <rth@cygnus.com>
2136 * flow.c (delete_unreachable_blocks): Mark blocks as they
2137 are put on to the worklist, not as they are taken off.
2139 Thu Mar 4 00:05:44 1999 Jeffrey A Law (law@cygnus.com)
2141 * function.c (current_function_has_computed_jump): Remove duplicate
2144 Wed Mar 3 19:09:11 1999 Jim Wilson <wilson@cygnus.com>
2146 * m68k/m68020-elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Undef.
2147 (STARTFILE_SPEC, ENDFILE_SPEC): Define to empty string.
2149 * sparc/elf.h (MULDI3_LIBCALL, DIVDI3_LIBCALL, UDIVDI3_LIBCALL,
2150 MODDI3_LIBCALL, UMODDI3_LIBCALL, STDC_0_IN_SYSTEM_HEADERS): Undef.
2151 (INIT_SUBTARGET_OPTABS): Define to empty.
2153 Wed Mar 3 00:00:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2155 * sh.c (force_into): New function.
2156 (expand_block_move): Use it.
2158 Tue Mar 2 10:39:43 1999 Nick Clifton <nickc@cygnus.com>
2160 * cccp.c (struct default_include): Add 'included' field.
2161 (main): Set 'included' field when a default include directory
2162 is added to the chain. If -v is specified list all default
2163 include directories which do not get appended to the chain.
2165 Tue Mar 2 09:24:10 1999 Nick Clifton <nickc@cygnus.com>
2167 * configure.in (gxx_include_dir): Rename to
2168 gcc_gxx_include_dir in order to prevent it being overridden by
2169 a top level Makefile.
2170 (gcc_tooldir): If $exec_prefix != $prefix then use the
2171 difference between the two as the basis for gcc_tooldir.
2173 * configure: Rebuild.
2175 * Makefile.in: Rename gxx_include_dir to gcc_gxx_include_dir.
2177 Tue Mar 2 16:45:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2179 * unroll.c (copy_loop_body): Don't make extra copies of
2180 NOTE_INSN_LOOP_CONT notes.
2182 Tue Mar 2 07:44:56 1999 Mark Mitchell <mark@markmitchell.com>
2184 * tree.c (save_tree_status): Don't treat functions with no context
2187 Tue Mar 2 09:37:05 1999 Robert Lipe <robertlipe@usa.net>
2189 * Makefile.in (MAKEINFO): Use makeinfo built from sibling
2190 tree when available.
2192 Tue Mar 2 10:12:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2194 * alpha.c (alpha_cpu_name, alpha_cpu_string, alpha_tp_string,
2195 alpha_fprm_string, alpha_fptm_string, alpha_mlat_string,
2196 current_function_file): Add the `const' keyword.
2197 (normal_memory_operand): Mark parameter `mode' with
2199 (alpha_expand_unaligned_load): Add a default case to a switch.
2201 * alpha.h (alpha_cpu_string, alpha_fprm_string, alpha_fptm_string,
2202 alpha_tp_string, alpha_mlat_string): Add the `const' keyword.
2203 (normal_memory_operand): Add prototype.
2205 * alpha.md: Cast an expression to `unsigned HOST_WIDE_INT' when
2206 comparing against one.
2208 Tue Mar 2 10:00:21 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2210 * mips.c (abort_with_insn): Make function static, add a prototype,
2211 constify 2nd parameter and mark with ATTRIBUTE_NORETURN.
2212 (current_function_file, mips_cpu_string, mips_isa_string,
2213 mips_abi_string, mips_no_mips16_string, mips_entry_string,
2214 mips_move_1word, mips_move_2words, output_block_move, load_store,
2215 override_options, make_temp_file, mips16_fp_args): Qualify a char*
2216 with the `const' keyword.
2218 * mips.h (current_function_file, mips_cpu_string, mips_isa_string,
2219 mips_abi_string, mips_entry_string, mips_no_mips16_string,
2220 mips_move_1word, mips_move_2words, output_block_move): Likewise.
2221 (abort_with_insn): Remove extern prototype.
2223 * mips.md: Qualify a char* with the `const' keyword.
2224 Remove many unused variables named `label'.
2226 Tue Mar 2 01:27:52 1999 H.J. Lu (hjl@gnu.org)
2228 * Makefile.in (cpp_install_dir, INSTALL_CPP, UNINSTALL_CPP): New
2230 (install-cpp, uninstall-cpp): New targets.
2231 (install-normal): Depend on $(INSTALL_CPP).
2232 (uninstall): Depend on $(UNINSTALL_CPP).
2233 * configure.in (cpp_install_dir): New, substitute.
2234 (tmake_file): Added t-install-cpp for --enable-cpp.
2235 * configure: Rebuilt.
2236 * cpp.sh: New cpp script.
2237 * config/t-install-cpp: New target fragment.
2239 Tue Mar 2 01:40:01 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2240 Jeffrey A Law (law@cygnus.com)
2242 * cse.c (fold_rtx): Update comments for (const (minus (label) (label)))
2244 (cse_insn): Avoid creating a bogus REG_EQUAL note for
2245 (const (minus (label) (label)))
2246 (record_jump_cond): Fix mismatched paren in comment.
2248 Tue Mar 2 01:07:12 1999 Dan Nicolaescu <dann@godzilla.ics.uci.edu>
2250 * final.c (end_final): There are 11 words in the "main header"
2253 Tue Mar 2 00:09:18 1999 Marc Espie <espie@cvs.openbsd.org>
2255 * extend.texi: Reference __extension__ in the index.
2257 Mon Mar 1 19:09:32 1999 Jim Wilson <wilson@cygnus.com>
2259 * Makefile.in (CROSS_FLOAT_H): Delete.
2260 (FLOAT_H): Use float_h_file.
2261 (rest.cross, stmp-int-hdrs): Delete gfloat.h dependency.
2263 (stmp-int-hdrs): Use FLOAT_H instead of gfloat.h.
2264 (mostlyclean): Delete gloat.h reference.
2265 (install-cross-rest, install-float-h-cross, stmp-headers): Update
2267 * configure.in (sparcv9-*-solaris2*): Set float_format to none.
2268 (sparc-*-solaris2*): Set float_format to none for 2.5 and higher.
2269 (float_h_file): Set from float_format. Substitute into Makefile.in.
2270 (float_format): No longer substitute into Makefile.in.
2271 * cross-make (FLOAT_H): Delete.
2272 * config/mips/t-cross64 (FLOAT_H): Delete.
2273 * configure: Rebuilt.
2275 Mon Mar 1 16:36:18 1999 Jeffrey A Law (law@cygnus.com)
2277 * mips.md (div_trap_normal, div_trap_mips16): Require the dependent
2278 insn to be an INSN before looking at its pattern.
2280 Mon Mar 1 15:03:51 1999 Jim Wilson <wilson@cygnus.com>
2282 * config/m68k/lb1sf68.asm (udivsi3): Change jmi to jcs. Fix comments.
2283 * config/m68k/m68k.h (LEGITIMATE_INDEX_REG_P): Reject SIGN_EXTEND of
2284 HImode reg when TARGET_5200.
2286 Mon Mar 1 21:44:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2288 From Toshiyasu Morita:
2289 * sh.h (CACHE_LOG): SH2 has cache, too.
2291 Mon Mar 1 14:23:36 1999 Catherine Moore <clm@cygnus.com>
2293 * toplev.c (compile_file): Disable -ffunction-sections and
2294 debugging warning if the object format is elf.
2296 Mon Mar 1 11:46:25 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
2298 * config/h8300/h8300.c (print_operand): Use 16 bit addressing
2299 when the data in 8-bit area and can not be addressed by 8-bit.
2301 Sun Feb 28 16:40:00 1999 Richard Henderson <rth@cygnus.com>
2303 * flow.c (create_basic_block): Disregard integrated bb notes.
2305 Sun Feb 28 15:57:06 1999 Richard Henderson <rth@cygnus.com>
2307 * sparc.md (blockage, nonlocal_goto_receiver): Set length to 0.
2309 Sun Feb 28 14:47:53 1999 Arturo Montes <mitosys@colomsat.com.co>
2311 * config/i386/t-sco5gas (crti.o): New target.
2313 Sun Feb 28 15:10:17 1999 David Edelsohn <edelsohn@gnu.org>
2315 * rs6000.md (elf_high, movsi_got, *movsi_got_internal,
2316 *movsi_got_internal_mem, GOT splitter, movdf_hardfloat32,
2317 movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64,
2318 load_multiple, allocate_stack, call_indirect_aix32,
2319 call_indirect_aix64, call_value_indirect_aix32,
2320 call_value_indirect_aix64, call_indirect_nt,
2321 call_value_indirect_nt): Use gpc_reg_operand instead of
2324 Sun Feb 28 15:10:17 1999 Michael Meissner <meissner@cygnus.com>
2326 * rs6000.md (one_cmplsi2, andsi3, iorsi3, xorsi3, *eqvsi3,
2327 *andcsi3, *iorcsi3, *nandsi3, *norsi3): Add alternatives to use CR
2329 * rs6000.c (and{,64}_operand): If the user did -ffixed-cr0, don't
2330 allow andi. or andis. which always set cr0.
2332 Sun Feb 28 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2334 * version.c: Bump for snapshot.
2336 Sun Feb 28 02:00:38 1999 Jeffrey A Law (law@cygnus.com)
2338 * invoke.texi: Update information for PA scheduling.
2340 Sat Feb 27 23:21:47 1999 Jerry Quinn <jquinn@nortelnetworks.com>
2341 Mike Stump <mrs@wrs.com>
2343 * pa.c (override_options): Change default to 7100LC.
2345 * pa.h (REG_ALLOC_ORDER): Change order to allocate left half of
2346 float regs before right half of float regs.
2348 Sat Feb 27 22:48:38 1999 H.J. Lu (hjl@gnu.org)
2349 Jeffrey A Law (law@cygnus.com)
2351 * frame.h: Update some comments.
2352 * defaults.h (TARGET_ATTRIBUTE_WEAK): Define.
2353 * crtstuff.c (__register_frame_info, __deregister_frame_info): Declare
2354 using TARGET_WEAK_ATTRIBUTE.
2355 (__do_global_dtors_aux): Check if __deregister_frame_info is
2356 zero before calling it.
2357 (__do_global_dtors): Likewise.
2358 (frame_dummy): Check if __register_frame_info is zero before
2360 (__frame_dummy): Likewise.
2362 Sat Feb 27 19:18:24 1999 Jeffrey A Law (law@cygnus.com)
2364 * SERVICE: Update from the FSF.
2366 Sat Feb 27 14:31:22 1999 Arturo Montes <mitosys@colomsat.com.co>
2368 * config/i386/t-sco5 (crti.o): New target.
2369 * config/i386/sco5.h (STARTFILE_SPEC): Include crti.o when
2371 * configure.in (i[34567]86-*-sco3.2v5*): Add crti.o.
2373 Sat Feb 27 01:12:40 1999 Jeffrey A Law (law@cygnus.com)
2375 * md.texi (prologue,epilogue): Document named patterns.
2377 Fri Feb 26 19:31:25 1999 Dave Love <fx@gnu.org>
2379 * md.texi, invoke.texi: Fix unterminated @xrefs.
2381 Fri Feb 26 15:33:45 1999 Richard Henderson <rth@cygnus.com>
2383 * genattrtab.c (simplify_knowing): Fix uninitialized read
2386 * genextract.c (main): Clear recog_operands before extracting.
2388 Fri Feb 26 02:24:57 1999 Jeffrey A Law (law@cygnus.com)
2390 * c-pragma.c (add_weak); Delete. Moved into...
2391 * varasm.c (add_weak): New external function.
2392 (declare_weak): If HANDLE_PRAGMA_WEAK, then add the function to
2393 the list of weak functions.
2394 * c-pragma (add_weak): Declare.
2396 Thu Feb 25 23:43:59 1999 Richard Henderson <rth@cygnus.com>
2398 Flow rewrite to use basic block structures and edge lists:
2400 * basic-block.h (x_basic_block_head, x_basic_block_end): Kill.
2401 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
2402 (struct edge_def): New.
2403 (struct basic_block_def): New.
2404 (basic_block_info): New.
2405 (BLOCK_HEAD, BLOCK_END): Update.
2406 (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): New.
2407 (uid_block_number): Kill.
2408 (basic_block_for_insn, BLOCK_FOR_INSN): New.
2409 (BLOCK_NUM): Update.
2410 * flow.c (XNMALLOC): Kill.
2411 (max_uid_for_flow): Kill.
2412 (uid_block_number): Kill.
2413 (uid_volatile): Turn into a bitmap.
2414 (SET_INSN_VOLATILE): New.
2415 (basic_block_info): New.
2416 (entry_exit_blocks): New.
2417 (x_basic_block_head, x_basic_block_end): Kill.
2418 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
2419 (flow_int_list_blocks, basic_block_succ, basic_block_pred): Kill.
2420 (basic_block_loop_depth): Kill.
2421 (basic_block_for_insn): New.
2422 (find_basic_blocks): Split out initial block counting into
2423 count_basic_blocks. Call functions split out of find_basic_blocks_1.
2424 (count_basic_blocks): New.
2425 (find_basic_blocks_1): Split out edge recognition, unreachable
2427 (create_basic_block): New.
2428 (compute_bb_for_insn): New.
2430 (free_bb_memory): Kill.
2431 (add_edge, add_edge_to_label): Kill.
2432 (mark_label_ref): Kill.
2433 (make_edges): Rewrite to use edge lists.
2434 (make_edge, make_label_edge): New.
2435 (mark_critical_edges): New.
2436 (split_edge, insert_insn_on_edge): New.
2437 (commit_one_edge_insertion, commit_edge_insertions): New.
2438 (delete_unreachable_blocks): Rewrite to use edge lists.
2439 Split out EH region manipulation into delete_eh_regions.
2440 Call tidy_fallthru_edge and merge_blocks.
2441 (delete_eh_regions): New.
2442 (delete_note_p): New.
2443 (delete_insn_chain): New.
2444 (delete_block): Split out code into delete_insn_chain and
2445 tidy_fallthru_edge. Update edge lists.
2446 (expunge_block): New.
2447 (flow_delete_insn): New?
2448 (can_delete_label_p): New?
2449 (merge_blocks_nomove, merge_blocks): New.
2450 (tidy_fallthru_edge): New.
2451 (calculate_loop_depth): New.
2452 (life_analysis): Allocate and free uid_volatile.
2453 (free_basic_block_vars): Update for new structures.
2454 (record_volatile_insns): Use SET_INSN_VOLATILE.
2455 (mark_regs_live_at_end): Tidy EXIT_IGNORE_STACK usage.
2456 (mark_used_regs): Likewise.
2457 (life_analysis_1): Use bb global_live_at_start, global_live_at_end,
2458 local_set regsets. Use bb->aux to store new_live_at_end. Begin
2459 life propagation from EXIT_BLOCK rather than last block. Clear
2460 regs_ever_live after mark_regs_live_at_end.
2461 (allocate_for_life_analysis): Update for new structures.
2462 (propagate_block): Split out loop depth calculation to
2463 calculate_loop_depth.
2464 (regno_uninitialized): Use bb->global_live_at_start.
2465 (regno_clobbered_at_setjmp): Likewise.
2466 (dump_bb_data): Likewise.
2467 (find_auto_inc): Use BLOCK_FOR_INSN instead of BLOCK_NUM.
2468 (dump_flow_info): Update for new structures.
2469 (dump_edge_info): New.
2470 (print_rtl_with_bb): Update for new structures.
2471 (compute_preds_succs): Do no work -- convert edge lists.
2472 (set_block_for_insn): From corpse of old set_block_num.
2473 (set_block_num): Call it.
2475 * rtl.c (note_insn_name): Add NOTE_INSN_BASIC_BLOCK.
2476 * rtl.h (rtunion_def): Add bb entry.
2477 (NOTE_BASIC_BLOCK): New.
2478 (NOTE_INSN_BASIC_BLOCK): New.
2480 * varray.h (varray_data_tag): Add bb entry.
2481 (VARRAY_BB_INIT, VARRAY_BB): New.
2483 * emit-rtl.c (emit_label_before): New.
2485 * except.c (expand_rethrow): Delete insns following the call to
2486 rethrow. Put the REG_EH_RETHROW on the call.
2488 * jump.c (returnjump_p, returnjump_p_1): New.
2490 * expr.h (nonlocal_goto_handler_labels): New declaration.
2491 * function.c (nonlocal_goto_handler_labels): Define it.
2492 (push_function_context_to): Save it.
2493 (pop_function_context_from): Restore it.
2494 (init_function_start): Clear it.
2495 (nonlocal_label_rtx_list): Kill.
2496 * function.h (struct function): Add storage space for it.
2497 * stmt.c (expand_nl_handler_label): Return the new label.
2498 (expand_nl_goto_receivers): Collect a list of them in
2499 nonlocal_goto_handler_labels.
2501 * Makefile.in (print-rtl.o): Depend on basic-block.h.
2502 (flow.o): Depend on insn-flags.h.
2504 * function.c (thread_prologue_and_epilogue_insns): Do not
2505 half-heartedly update bb structures.
2507 * toplev.c: Add flow2 dump as -dw.
2508 (rest_of_compilation): Finish .greg before flow2.
2510 * graph.c (draw_edge): Handle class 3.
2511 (print_rtl_graph_with_bb): Make abnormal edges red class 2,
2512 change non-fall-thru but adjacent to green class 3. Update
2513 to use new structures.
2515 * print-rtl.c (print_rtx): Handle NOTE_INSN_BASIC_BLOCK.
2517 * reg-stack.c (BLOCK_NUM): Convert to function. Abort if
2519 (reg_to_stack): Initialize block_num to -1.
2521 * combine.c (set_nonzero_bits_and_sign_copies): Update reference
2522 to basic_block_live_at_start to bb->global_live_at_start.
2523 (try_combine): Likewise.
2524 (reg_dead_at_p): Likewise.
2525 * global.c (global_conflicts): Likewise.
2526 Handle stack regs on all abnormal edges, not just computed jumps.
2527 (mark_elimination): Update reference to basic_block_live_at_start.
2528 (build_insn_chain): Likewise.
2529 * haifa-sched.c (haifa_edge): Rename from edge for conflict.
2530 (is_cfg_nonregular): Look at nonlocal_goto_handler_labels instead
2531 of nonlocal_label_rtx_list.
2532 (check_live_1): Update reference to basic_block_live_at_start.
2533 (update_live_1): Likewise.
2534 (find_pre_sched_live): Likewise.
2535 (find_post_sched_live): Likewise.
2536 * local-alloc.c (update_equiv_regs): Likewise.
2537 (block_alloc): Likewise.
2538 * reload1.c (reload, reload_combine): Likewise.
2539 * regmove.c (mark_flags_life_zones): Likewise.
2540 * resource.c (mark_target_live_regs): Likewise.
2541 * sched.c (schedule_block): Likewise.
2543 * regclass.c (regset_release_memory): Don't free
2544 basic_block_live_at_start.
2546 * unroll.c (copy_loop_body): Don't duplicate NOTE_INSN_BASIC_BLOCK.
2548 Thu Feb 25 21:32:34 1999 Jason Merrill <jason@yorick.cygnus.com>
2550 * fixinc.wrap: Also handle struct queue in sys/stream.h.
2551 * fixinc.svr4: Likewise.
2553 * dwarf2out.c (scope_die_for): Set scope_die to comp_unit_die
2554 rather than asserting it.
2556 Thu Feb 25 23:33:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2558 * cppexp.c (left_shift, right_shift, parse_charconst, COMPARE,
2559 cpp_parse_expr): Replace uses of long/HOST_BITS_PER_LONG with
2560 HOST_WIDEST_INT/HOST_BITS_PER_WIDEST_INT.
2562 * Makefile.in (cppmain.o, cpplib.o, cpphash.o, cppalloc.o,
2563 cpperror.o, cppexp.o, cppfiles.o, cppinit.o, fix-header.o,
2564 scan-decls.o): Don't depend on machmode.h.
2566 * cppexp.c: Don't define CHAR_BIT or HOST_BITS_PER_WIDE_INT anymore.
2567 Replace all instances of HOST_WIDE_INT with HOST_WIDEST_INT.
2569 * cppfiles.c: Likewise.
2571 * cpplib.c: Likewise.
2573 * cpplib.h: Likewise. Also don't include machmode.h anymore.
2575 Thu Feb 25 18:46:26 1999 Richard Henderson <rth@cygnus.com>
2577 * gcc.c (default_compilers): Define __FAST_MATH__ when appropriate.
2578 * objc/lang-specs.h: Likewise.
2580 Thu Feb 25 16:19:43 1999 Jeffrey A Law (law@cygnus.com)
2582 * pa.md (call patterns): Lose unused argument to output_call.
2584 * print-rtl.c (print_rtl): Print /j and /c for the jump/call flags.
2586 1999-02-25 17:14 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2588 * cpphash.c (install): Rename to cpp_install, add cpp_reader*
2589 first argument. All callers changed.
2591 (cpp_lookup, cpp_install): Change all refs to hashtab to
2593 (cpp_hash_cleanup): Removed.
2594 * cpphash.h: Adjust prototypes.
2595 * cpplib.h (struct cpp_reader): Add hashtab pointer.
2596 * cppinit.c (cpp_reader_init): Also allocate space for the
2598 (cpp_cleanup): Delete all macros and free the hashtab.
2600 Thu Feb 25 21:52:54 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2602 * sh.h (PASS_IN_REG_P): For TARGET_HITACHI, don't pass structures
2605 * expr.h (PRETEND_OUTGOING_VARARGS_NAMED): Provide default definition.
2606 * function.c (assign_parms): Honour PRETEND_OUTGOING_VARARGS_NAMED.
2607 * calls.c (expand_call): Likewise.
2609 * sh.c (sh_expand_prologue): For TARGET_HITACHI, don't push varargs /
2611 * sh.h (CPP_SPEC): Add -D__HITACHI__ for -mhitachi.
2612 (FUNCTION_ARG): For TARGET_HITACHI, don't pass unnamed
2613 arguments in registers.
2614 (PRETEND_OUTGOING_VARARGS_NAMED): Define.
2615 * va-sh.h (entire file): If __HITACHI__ is defined, use sh[123]
2618 Thu Feb 25 14:32:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2620 * cse.c (dump_class): Revert last change and make the prototype
2623 Thu Feb 25 19:13:42 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2625 * rtl.h (insn_first_p): Don't declare.
2626 * rtlanal.c (insn_first_p): Delete.
2627 * loop.c (loop_insn_first_p): Faster implementation.
2629 Thu Feb 25 10:44:35 1999 Richard Earnshaw (rearnsha@arm.com)
2631 * arm.h (TARGET_SWITCHES): Delete deprecated switches -m[236].
2632 (TARGET_3, TARGET_6): Delete.
2633 (ARM_FLAG_ARM[36]): Delete.
2634 (CPP_CPU_ARCH_SPEC): No need to handle -m[236] any more.
2635 (CC1_SPEC): Don't expand -m[236] into new equivalents.
2636 (CPP_APCS_PC_SPEC): No need to handle -m[236] any more.
2637 * arm.c (arm_override_options): Delete warnings about deprecated
2640 * arm.c (arm_finalize_pic): Build the label into the special pic
2641 adjustment insn instead of issuing it separately.
2642 * arm.md (pic_add_dot_plus_eight): Rework to contain the label
2645 * arm.md (*zeroextractqi_compare0_scratch): Delete.
2646 (*ne_zeroextractsi): New pattern.
2648 Thu Feb 25 18:40:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2650 * stmt.c (expand_end_loop): Grok code emitted by
2651 expand_exit_loop_if_false.
2653 Thu Feb 25 10:17:32 1999 Nick Clifton <nickc@cygnus.com>
2655 * config/arm/arm.c (return_in_memory): Float fields in unions
2656 force a return in memory.
2657 (load_multiple_sequence): Add comment explaining why two LDR
2658 instructions can be better than an LDMIA instruction.
2660 * config/arm/arm.h (TARGET_SHORT_BY_BYTES): Add comment
2661 describing the real meaning of this option.
2662 (FIXED_REGISTERS): Default r10 to not-fixed.
2663 (CALL_USED_REGISTERS): Default r10 to not-call-used.
2664 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): If not defined, define
2666 (CONDITIONAL_REGISTER_USAGE): Fix r10 if TARGET_APCS_STACK is
2667 true. Invoke SUBTARGET_CONDITIONAL_REGISTER_USAGE after
2668 performing other checks.
2670 * config/arm/arm.md (zero_extendhisi2): Undo previous change.
2671 (extendhisi2): Undo previous change.
2672 Also add comments describing why TARGET_SHORT_BY_BYTES can be
2673 ignored for armv4(t) architectures.
2675 * config/arm/riscix.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE):
2678 * config/arm/riscix1-1.h
2679 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Define to fix r10.
2681 Thu Feb 25 12:09:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2683 * cse.c (dump_class): Make the function definition static to match
2686 Wed Feb 24 17:47:28 1999 Jim Wilson <wilson@cygnus.com>
2688 * dbxout.c (gstab.h): Use if CROSS_COMPILE.
2690 * dwarf2out.c (add_location_or_const_value_attribute): Add big
2691 endian correction for parms passed in regs but living on the stack.
2693 Wed Feb 24 14:03:54 1999 Jeffrey A Law (law@cygnus.com)
2695 * calls.c (initialize_argument_information): New function extracted
2697 (expand_call): Use initialize_argument_information. Remove variables
2698 which are no longer used due to cleanups.
2700 * calls.c (compute_argument_block_size): New function, extracted from
2702 (expand_calls): Use compute_argument_block_size. Delete
2703 original_args_size, use unadjusted_args_size instead.
2705 * calls.c (precompute_arguments): New function, extracted from
2707 (expand_call): Use precompute_arguments.
2709 * calls.c (finalize_must_preallocate): New function, extracted from
2711 (expand_call): Use finalize_must_preallocate.
2713 * calls.c (store_one_arg): Mark "variable_size" as possibly unused.
2715 * regclass.c (record_reg_classes, case 'p'): Set classes appropriately.
2716 An alternative always fails if it needs a pseudo and no suitable
2717 register class can be found.
2719 Wed Feb 24 19:47:56 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2721 * loop.h (loop_insn_first_p): Declare.
2722 * loop.c (loop_insn_first_p): No longer static.
2723 * unroll.c (iteration_info) Fix comparison to
2724 reg_iv_type->num_elements.
2725 Before accessing reg_biv_class, check index against
2726 max_reg_before_loop.
2727 Fix and enable code for giv iterators.
2728 (loop_iterations): Compare with reg_iv_type->num_elements instead
2729 of with max_reg_before_loop.
2731 Wed Feb 24 19:17:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2733 * unroll.c (unroll_loop): Avoid out-of-bounds index for local_regno.
2735 Wed Feb 24 11:26:41 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
2737 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Don't use
2738 PIC_OFFSET_TABLE_REGNUM for register allocation when -fPIC.
2740 Tue Feb 23 16:24:19 CET 1999 Marc Lehmann <pcg@goof.com>
2742 * config/i386/i386.md: Fix typo.
2744 Mon Feb 22 19:36:33 1999 Andrew Cagney <cagney@b1.cygnus.com>
2746 * config/mips/mips.c (mips_debugger_offset): When TARGET_MIPS16 &&
2747 frame_pointer_needed adjust frame size.
2748 (function_prologue): Don't MIPS16 .mask GPOFFSET. Already adjusted
2749 in .frame pseudo-op.
2750 Frm Jim Wilson <wilson@cygnus.com>:
2751 * mips.c (function_prologue): Adjust frame size in .frame pseudo-op
2752 when TARGET_MIPS16 && frame_pointer_needed.
2754 1999-02-22 Nick Clifton <nickc@cygnus.com>
2756 * config/arm/arm.h: Add TARGET_CPU_strongarm1100.
2757 Add -mno-sched command line switch to disable scheduling of
2758 instructions into the function's prologue.
2759 (enum processor_type): Remove.
2760 (TARGET_OPTIONS): Add "fpe=" option to match documentation.
2761 (struct arm_cpu_select): Replace 'set_tune_p' and 'set_arch_p'
2762 fields with 'processors' field.
2763 (CONDITIONAL_REGISTER_USAGE): Allow r10 to be used if stack
2764 checking is not enabled.
2765 (RETURN_IN_MEMORY): Always call arm_return_in_memory.
2767 * config/arm/arm.c (arm_cpu): Remove.
2768 (tune_flags): Remove.
2769 (arm_is_strong): New variable: true iff the target processor is a
2771 (arm_is_6_or_7): New variable: true iff the target processor is an
2773 (arm_select): Fields reorganised.
2774 (struct processors): processor_type field removed.
2775 (all_procs): Remove.
2776 (all_cores): New array: Definitions of all known ARM cpu cores.
2777 (all_architectures): New array: Definitions of all known ARM
2780 (FL_SCHED): New processor flag: processor required load
2782 (FL_STRONG): New processor flag: processor is a StrongARM.
2783 (arm_override_options): Reorganized to make code clearer.
2784 (use_return_insn): Test for "not (TARGET_APCS and
2785 frame_pointer_needed)".
2786 (arm_return_in_memory): Improve handling of structures.
2788 * config/arm/arm.md: Remove "cpu" attribute. Replace with
2789 "is_strongarm" and "is_arm_6_or_7" attributes.
2790 (zero_extendhisi2): Check for TARGET_SHORT_BY_BYTES before
2792 (extendhisi2): Check for TARGET_SHORT_BY_BYTES before arm_arch4.
2794 * invoke.texi (ARM Options): Document -mtune= and -mfp= options.
2796 1999-02-22 Philip Blundell <philb@gnu.org>
2798 * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Replace default
2799 definition with one including cache synchronization.
2800 (CLEAR_INSN_CACHE): Correct syscall number and enable definition.
2801 Move definition of inhibit_libc to...
2802 * config/arm/xm-linux.h: ... here.
2804 * config/arm/t-linux: Disable multilib configurations since the
2805 only effect for most people is to cause builds to fail.
2807 * config/arm/elf.h (ASM_FILE_START): Add .file directive.
2808 (ASM_SPEC): Translate -mapcs-float to -mfloat for the assembler.
2810 * config/arm/linux-elf.h (DEFAULT_VTABLE_THUNKS): Define.
2811 (HANDLE_SYSV_PRAGMA): Likewise.
2812 (LIB_SPEC): Copy definition from generic Linux files.
2813 (LIBGCC_SPEC): Include -lfloat if -msoft-float was given.
2814 (FP_DEFAULT): Set to SOFT3 on 32-bit targets.
2815 (DWARF2_DEBUGGING_INFO): Define.
2816 (PREFERRED_DEBUGGING_TYPE): Define as DBX_DEBUG.
2818 Mon Feb 22 16:54:18 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
2820 * loop.c (libcall_other_regs): Make extern.
2821 * rtl.h (find_last_value): Add parameter to prototype.
2822 (libcall_other_reg): Add extern declaration.
2823 * rtlanal.c (find_last_value): Add another parameter to allow
2824 a definition using a hardware register to be found as well.
2826 Mon Feb 22 13:33:47 1999 Mark Mitchell <mark@markmitchell.com>
2828 * cse.c (dump_class): New function.
2829 (invalidate_memory): Fix typo in comment.
2830 * function.c (temp_slot): Add an alias set field.
2831 (assign_stack_temp): Only reuse slots if they will have the
2832 same alias set as before.
2833 (combine_temp_slots): Don't combine if -fstrict-aliasing;
2835 * rtl.c (copy_rtx): Copy all the flags (in particular,
2838 Mon Feb 22 14:13:23 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
2840 * configure.in (i[34567]86-*-linux-gnu*,
2841 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
2842 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
2845 * configure: Rebuilt.
2847 * fixinc.x86-linux-gnu: New script for fixing asm-statements bug
2850 * fixinc/fixinc.x86-linux-gnu: Copy of the previous one.
2852 * fixinc/mkfixinc.sh (i[34567]86-*-linux-gnu*,
2853 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
2854 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
2857 Mon Feb 22 08:55:05 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
2859 * objc/objc-act.c (encode_type): Temporary revert to the old
2860 behavior of encoding types as the new one seems to break the
2861 encoding of bitfields.
2863 Mon Feb 22 11:40:44 1999 Craig Burley <craig@jcb-sc.com>
2864 Sat Feb 20 09:59:36 1999 Craig Burley <craig@jcb-sc.com>
2866 * Makefile.in (all.internal, all.cross): Depend on `doc'
2867 target, to ensure docs get made before installation.
2869 Decrease spurious warnings from -fsyntax-only:
2870 * stmt.c (expand_expr_stmt): Expand expr even when -fsyntax-only.
2872 Mon Feb 22 10:55:00 1999 Gavin Romig-Koch <gavin@cygnus.com>
2874 * c-lex.c (yylex): Replace warning about integer constants being
2875 larger than long-longs, with a warning about integer constants
2876 being larger than the largest target integer.
2878 Mon Feb 22 08:35:38 1999 Craig Burley <craig@jcb-sc.com>
2880 Fix -fsyntax-only ICEs:
2881 * varasm.c (assemble_zeros, assemble_variable,
2882 output_constant_def): Do nothing when -fsyntax-only.
2884 Fri Feb 19 18:18:56 1999 Don Bowman <don@pixstream.com>
2886 * configure.in (mips*-*-vxworks*): Enable gthreads vxworks support.
2887 * configure: Rebuilt.
2889 Sun Feb 21 20:34:44 PST 1999 Jeff Law (law@cygnus.com)
2891 * version.c: Bump for snapshot.
2893 Sun Feb 21 20:35:10 1999 Jeffrey A Law (law@cygnus.com)
2895 * config/aoutos.h (ASM_OUTPUT_CONSTRUCTOR): Delete.
2896 (ASM_OUTPUT_DESTRUCTOR, ASM_OUTPUT_GC_ENTRY): Likewise.
2897 * tm.texi: Update docs for constructors and destructors.
2899 Sun Feb 21 17:11:18 1999 Richard Henderson <rth@cygnus.com>
2901 * genattrtab.c (check_attr_value): Allow negative const_int if
2902 negative_ok. Accept integral arithmetic operators. Accept
2903 direct references to other attributes. Accept symbol_ref in
2904 non-constant attributes.
2905 (max_attr_value): Add new argument `unknownp'. Update all callers.
2906 (or_attr_value): Likewise.
2907 (simplify_knowing): Don't optimize if max_attr_value unknown.
2908 (write_length_unit_log): Likewise with or_attr_value.
2909 (find_and_mark_used_attributes): Don't fallthru case.
2910 (write_attr_set): Pass thru all non-cond expressions.
2911 (write_attr_value): Handle symbol_ref, attr, and arithmetic.
2913 Sun Feb 21 13:16:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2915 * regmove.c (discover_flags_reg): Use word_mode instead of SImode.
2917 Sun Feb 21 13:15:40 1999 Richard Henderson <rth@cygnus.com>
2919 * regmove.c (discover_flags_reg): Remove cc0 code.
2920 (mark_flags_life_zones) [HAVE_cc0]: Force use of cc0; bail if
2921 a potential flags register was identified.
2923 Sat Feb 20 16:16:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2925 * rs6000.md (scc plus ltu): Fix typo in last change.
2927 Sat Feb 20 09:08:44 1999 Richard Earnshaw (rearnsha@arm.com)
2929 * xm-arm.h (HOST_BITS_PER_LONGLONG): Define.
2931 Fri Feb 19 23:02:02 1999 Richard Henderson <rth@cygnus.com>
2933 * regmove.c (discover_flags_reg): New function.
2934 (flags_set_1, mark_flags_life_zones): New functions.
2935 (regmove_optimize): Call them.
2936 (fixup_match_1): Use insn modes rather than sets_cc0_p.
2938 Fri Feb 19 22:47:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2940 * rtlanal.c (insn_first_p): Fix return value for insn == reference.
2942 * loop.c (strength_reduce, check_final_value, check_dbra_loop):
2943 Use loop_insn_first_p.
2945 Fri Feb 19 15:49:26 1999 Michael Meissner <meissner@cygnus.com>
2946 David Edelsohn <edelsohn@gnu.org>
2948 * rs6000.md (scc plus eq): Fix output template.
2949 (scc plus ltu): Fix output template and collapse variants
2950 correcting early clobbers.
2951 (scc plus geu): Fix output template.
2952 (scc plus gt): Fix output template.
2953 (scc plus gtu): Fix output template and collapse variants.
2955 Fri Feb 19 15:43:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2957 * cppinit.c (print_help): Remove unescaped newline in string.
2959 Fri Feb 19 19:55:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2961 * loop.c (strength_reduce): Check for intervening jumps when
2962 converting biv increment to giv.
2964 Thu Feb 18 16:36:58 1999 Per Bothner <bothner@cygnus.com>
2966 * tree.def (TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR): New tree nodes,
2967 * expr.c (expand_expr): Support new tree nodes.
2969 Fri Feb 19 10:17:56 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2971 * config/m68k/m68k.c (m68k_align_loops_string,
2972 m68k_align_jumps_string, m68k_align_funcs_string): Add const.
2973 * config/m68k/m68k.h (m68k_align_loops_string,
2974 m68k_align_jumps_string, m68k_align_funcs_string): Likewise.
2976 Thu Feb 18 23:28:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2978 * bitmap.c (bitmap_print): Qualify a char* with the `const' keyword.
2980 * bitmap.h (bitmap_print): Likewise.
2982 * c-decl.c (builtin_function, grokdeclarator, grokfield): Likewise.
2984 * c-lang.c (build_objc_string): Likewise.
2986 * c-lex.c (yyerror, extend_token_buffer): Likewise. Don't include
2987 limits.h or ctype.h. Remove unused variable `p'.
2989 * c-lex.h (yyerror): Qualify a char* with the `const' keyword.
2991 * c-pragma.c (handle_pragma_token): Likewise.
2993 * c-pragma.h (handle_pragma_token): Likewise.
2995 * c-tree.h (build_objc_string, builtin_function, grokfield,
2996 build_indirect_ref, lvalue_or_else, readonly_warning, error_init,
2997 pedwarn_init): Likewise.
2999 * c-typeck.c (convert_for_assignment, warn_for_assignment,
3000 push_string, warning_init, incomplete_type_error,
3001 build_indirect_ref, lvalue_or_else, readonly_warning,
3002 build_c_cast, spelling, push_member_name, print_spelling,
3003 error_init, pedwarn_init, start_init): Likewise.
3005 * objc/objc-act.c (build_objc_string): Likewise.
3007 * print-tree.c (print_node_brief, print_node): Likewise.
3009 * tree.h (lvalue_or_else, print_node, print_node_brief): Likewise.
3011 Thu Feb 18 20:44:21 1999 David Edelsohn <edelsohn@gnu.org>
3013 * regclass.c (record_reg_classes): Correctly handle 'p' constraint.
3015 Thu Feb 18 19:59:37 1999 Marc Espie <espie@cvs.openbsd.org>
3017 * configure.in :Handle OpenBSD platforms.
3018 * configure: Rebuilt.
3019 * config/openbsd.h: New file.
3020 * config/xm-openbsd.h: New file.
3021 * config/t-openbsd: New file.
3022 * config/t-openbsd-thread: New file.
3024 Thu Feb 18 18:47:09 1999 Jeffrey A Law (law@cygnus.com)
3026 * function.c (assign_stack_temp_for_type): Round SIZE before calling
3027 assign_stack_local for BLKmode slots.
3029 Fri Feb 19 01:45:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3031 * loop.c (strength_reduce): For derived givs, replace the
3032 giv this was derived from with its new_reg.
3033 (recombine_givs): Don't set new_reg for derived giv.
3034 And don't print it, print SUM instead.
3036 Thu Feb 18 15:52:49 1999 Jim Wilson <wilson@cygnus.com>
3038 * m68kelf.h (ASM_RETURN_CASE_JUMP): Add 5200 support.
3040 1999-02-18 18:32 -0500 Zack Weinberg <zack@rabi.columbia.edu>
3042 * cpplib.c: Kill define of STDC_VALUE. Don't include output.h
3043 or prefix.h. Change CPP_IS_MACRO_BUFFER to not refer to
3045 (GET_ENV_PATH_LIST, PATH_SEPARATOR, STANDARD_INCLUDE_DIR,
3046 predefs, SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
3047 CPP_WCHAR_TYPE, USER_LABEL_PREFIX, REGISTER_PREFIX, struct
3048 cpp_pending, version_string, struct default_include,
3049 include_defaults_array, path_include, cpp_options_init,
3050 dump_special_to_buffer, initialize_builtins, cpp_start_read,
3051 cpp_reader_init, nreverse_pending, push_pending, print_help,
3052 cpp_handle_option, cpp_handle_options, cpp_finish,
3053 cpp_cleanup): Move to cppinit.c.
3054 (macro_cleanup, struct arglist, collect_expansion,
3055 create_definition, compare_defs, comp_def_part, ARG_BASE,
3056 struct argdata, macarg, change_newlines, timestamp,
3057 monthnames, special_symbol, unsafe_chars, macroexpand,
3058 push_macro_expansion): Move to cpphash.c.
3059 (quote_string, check_macro_name, cpp_expand_to_buffer,
3060 output_line_command, cpp_undef): Export.
3061 (null_underflow, null_cleanup, handle_directive): Make static.
3063 * cpplib.h: Prototype now-exported functions. Adjust decls of
3064 syntax tables so we can include cpplib.h in cppinit.c.
3065 * cpphash.h: Prototype all functions exported by cpphash.c.
3066 * cppinit.c: Make syntax tables initialized data if possible
3067 (uses GCC designated-initializer extension).
3068 * cppexp.c: Make cpp_lex static.
3069 * Makefile.in: Move -D switches for the various include dirs
3070 from cpplib.o rule to cppinit.o rule. Adjust dependencies.
3072 Thu Feb 18 13:15:56 1999 Marc Espie <espie@cvs.openbsd.org>
3074 * alpha/openbsd.h: New file.
3075 * alpha/xm-openbsd.h: New file.
3076 * sparc/openbsd.h: New file.
3077 * sparc/xm-openbsd.h: New file.
3078 * m68k/openbsd.h: New file.
3079 * m68k/xm-openbsd.h: New file.
3080 * i386/openbsd.h: New file, originally from netbsd.
3081 * i386/xm-openbsd.h: New file.
3083 1999-02-17 14:49 -0500 Zack Weinberg <zack@rabi.columbia.edu>
3085 * Makefile.in: Correct dependencies for cpplib object files.
3087 Wed Feb 17 14:04:18 1999 Michael Meissner <meissner@cygnus.com>
3089 * rs6000.md ({add,sub}si3 `.'): Add alternatives to use CR other
3092 Wed Feb 17 16:59:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3094 * loop.c (strength_reduce): Don't move giv insn for biv turned giv
3097 Wed Feb 17 10:56:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3099 * tree.c (tree_node_kind_names, print_obstack_name,
3100 get_identifier, maybe_get_identifier, build_string,
3101 build_expr_wfl, is_attribute_p, lookup_attribute,
3102 print_obstack_statistics, get_file_function_name_long, tree_check,
3103 tree_class_check, expr_check): Qualify a char* with the `const'
3106 * tree.h (get_identifier, maybe_get_identifier, build_string,
3107 build_expr_wfl, is_attribute_p, lookup_attribute,
3108 print_obstack_statistics, print_obstack_name, tree_check,
3109 tree_class_check, expr_check): Likewise.
3111 Tue Feb 16 21:29:38 1999 Jeffrey A Law (law@cygnus.com)
3113 * i386/freebsd-elf.h, i386/gas.h, i386/linux.h: Fix minor spacing
3116 * calls.c (store_one_arg): Mark any slots used for the argument
3117 as in-use immediately after we're done saving any slots which
3118 will be overwritten by this argument.
3120 Tue Feb 16 21:02:07 1999 Anton Hartl <toni@devsoft.com>
3122 * rs6000.md (call_value): Fix typo.
3124 Wed Feb 17 01:29:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3126 * loop.c (strength_reduce): Calculate maybe_dead before
3127 calling recombine_givs.
3129 Wed Feb 17 00:43:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3131 * loop.c (strength_reduce): Dump biv increment -> giv conversions.
3133 Tue Feb 16 15:31:39 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
3135 * objc/objc-act.c (encode_type): Encode the type instead of
3136 encoding the mode of the type (patch from Richard Frith-Macdonald
3137 <richard@brainstorm.co.uk>).
3139 Tue Feb 16 10:53:51 1999 Richard Earnshaw (rearnsha@arm.com)
3141 * config/arm/arm.md (*zeroextractqi_compare0_scratch): Re-add load
3142 instruction killed in previous change. Simplify mask generation.
3143 (*zeroextractsi_compare0_scratch): Simplify mask generation.
3145 Tue Feb 16 09:52:26 1999 Nick Clifton <nickc@cygnus.com>
3147 * config/arm/arm.md (zeroextractqi_compare0_scratch): Ensure that
3148 bitfield does not overflow a byte boundary.
3150 Tue Feb 16 01:37:33 1999 Charles G Waldman <cgw@alum.mit.edu>
3152 * c-common.c (shorten_compare): Get the min/max value from the
3153 underlying type of an enumeration, not the enumerated type itself.
3155 Mon Feb 15 23:04:48 1999 Jeffrey A Law (law@cygnus.com)
3157 * jump.c: Include insn-attr.h.
3158 (delete_computation): If reload has completed and insn scheduling
3159 after reload is enabled, then do not depend on REG_DEAD notes.
3160 * Makefile.in (jump.o): Depend on insn-attr.h.
3162 Mon Feb 15 16:57:38 1999 Richard Henderson <rth@cygnus.com>
3164 * i386.md (addsi3): Allow lea for any constant_p.
3166 1999-02-15 17:11 -0500 Zack Weinberg <zack@rabi.columbia.edu>
3168 * toplev.c (documented_lang_options): Remove -fident and
3169 -fnoident, which are now handled by the language independent
3172 1999-02-15 16:59 -0500 Zack Weinberg <zack@rabi.columbia.edu>
3174 * c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF.
3175 * c-lex.c: Likewise.
3176 * cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked
3177 list in malloced memory for the buffer stack.
3178 (cpp_get_token): Don't pop the last buffer off the stack.
3179 Calls after CPP_EOF has been returned produce CPP_EOF with no
3181 (cpp_finish): Pop last buffer here.
3182 (do_line): Don't free ip->last_nominal_fname if it is equal to
3184 (special_symbol): If a T_CONST is the empty string, push a
3185 single `@ ' escape instead.
3186 (macroexpand): Special symbol buffers have escapes too.
3187 * cpplib.h (struct cpp_buffer): Remove unused fields, add prev
3189 (struct cpp_reader): Remove buffer_stack. Add
3191 (CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a
3194 Mon Feb 15 14:44:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3196 * cccp.c: Don't define HOST_WIDE_INT. Replace all occurrences of
3197 WIDE_INT with WIDEST_INT.
3200 Don't define unsigned_HOST_WIDE_INT, CHAR_BIT or
3201 HOST_BITS_PER_WIDE_INT. Replace occurrences of PRINTF_PROTO_1()
3202 style with PVPROTO() ATTRIBUTE_PRINTF_1 style macros. Replace
3203 occurrences of "unsigned_HOST" with "unsigned HOST". Provide a
3204 definition of variable `c89' when compiling a test binary and set it.
3206 * system.h: Don't define the PRINTF_PROTO_* macros.
3208 Mon Feb 15 11:33:51 1999 Jeffrey A Law (law@cygnus.com)
3210 * loop.c (mark_loop_jump): Handle LO_SUM. If we encounter something
3211 we do not understand, mark the loop and containing loops as invalid.
3213 Mon Feb 15 00:40:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3215 * alias.c (init_alias_analysis): Avoid self-referential value
3216 when setting reg_known_value from REG_EQUAL notes.
3218 Sun Feb 14 23:12:10 1999 Richard Henderson <rth@cygnus.com>
3220 * i386.c (legitimate_address_p): Verify modes of base and index.
3222 Sun Feb 14 23:01:28 1999 Richard Henderson <rth@cygnus.com>
3224 * i386.c (legitimate_pic_address_disp_p): Remove static.
3225 * i386.h (LEGITIMATE_PIC_OPERAND_P): Use it instead of
3228 Sun Feb 14 21:03:28 1999 Jeffrey A Law (law@cygnus.com)
3230 * except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
3231 * explow.c (probe_stack_range): Likewise.
3232 * expmed.c (do_cmp_and_jump): Likewise.
3233 * expr.c (store_expr, expand_expr, expand_builtin): Likewise.
3234 (do_tablejump): Likewise.
3235 * stmt.c (expand_expr_stmt, expand_end_case): Likewise.
3236 (do_jump_if_equal, emit_case_nodes): Likewise.
3237 * optabs.c (emit_cmp_and_jump_insns): Clarify comments. If UNSIGNEDP,
3238 then convert comparison to an unsigned code before emitting the jump.
3239 (expand_float, expand_fix): Use emit_cmp_and_jump_insns.
3241 Sun Feb 14 02:24:15 PST 1999 Jeff Law (law@cygnus.com)
3243 * version.c: Bump for snapshot.
3245 Sun Feb 14 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
3247 * version.c: Bump for snapshot.
3249 Sun Feb 14 00:45:50 1999 Jeffrey A Law (law@cygnus.com)
3251 * loop.c: Disable recent loop changes. Temporary as Joern
3252 continues to fix problems.
3254 Sat Feb 13 23:29:42 1999 Richard Henderson <rth@cygnus.com>
3256 * loop.c (combine_givs_used_by_other): Delete.
3257 (combine_givs_benefit_from): Delete.
3258 (combine_givs): Deny combination of givs only used once. Simplify
3259 code with the death of combine_givs_benefit_from.
3261 Sun Feb 14 11:24:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3263 * loop.c (scan_loop): Call reg_in_basic_block_p before
3264 loop_reg_used_before_p.
3266 Sat Feb 13 05:32:00 1999 Richard Earnshaw (rearnsha@arm.com)
3268 * arm.md: Use gen_rtx_FOO instead of gen_rtx (FOO, ...).
3272 * arm.h (TARGET_OPTIONS): Reformat for clarity.
3273 (GO_IF_LEGITIMATE_ADDRESS): When generating PIC, references to symbols
3274 in the constant pool aren't valid.
3275 (LEGITIMATE_PIC_OPERAND_P): Likewise.
3277 * arm.c: Include "system.h", not stdio.h and string.h.
3279 Fri Feb 12 13:06:28 1999 Jim Wilson <wilson@cygnus.com>
3281 * stmt.c (expand_return): Return if optimize_tail_recursion succeeded.
3282 (optimize_tail_recursion): Change return type from void to int.
3283 Add return statements.
3284 * tree.h (optimize_tail_recursion): Change prototype to match.
3286 Fri Feb 12 21:09:51 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3288 * reload.c (find_reloads_subreg_address): New function, broken out of
3289 find_reloads_toplev.
3290 (find_reloads_toplev, find_reloads_address_1): Use it.
3292 Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com)
3294 * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle
3295 extending a CONST_INT.
3297 * h8300.md (peephole for combining memrefs): Delete incorrect peephole.
3299 Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3301 * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset):
3303 (maybe_eliminate_biv_1): Use biv_elimination_giv_has_0_offset.
3305 Fri Feb 12 16:56:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3307 * loop.c (load_mems): Don't guess how to do a load / store, use
3310 Fri Feb 12 09:24:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3312 * system.h: Provide a definition for HOST_WIDEST_INT, etc.
3314 Fri Feb 12 23:37:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3316 * config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change.
3318 Fri Feb 12 00:51:26 1999 Jeffrey A Law (law@cygnus.com)
3320 * reload.c (find_reloads_address_1): Fix handling of an autoincremented
3321 pseudo which is homed in the stack.
3323 * mips.c (save_restore_insns): Fix loop to save/restore FP registers.
3324 (compute_frame_size): Change loop over FP regs to be consistent
3325 with the loop in save_restore_insns.
3327 Thu Feb 11 17:38:40 1999 Jim Wilson <wilson@cygnus.com>
3329 * i960/i960.h (OVERRIDE_OPTIONS): Warn if -mlong-double-64 is used.
3330 (LONG_DOUBLE_TYPE_SIZE): Undef then unconditionally define to 96.
3332 Thu Feb 11 15:11:35 1999 Jeffrey A Law (law@cygnus.com)
3334 * mn10200.md (bset); Re-enable.
3336 Thu Feb 11 15:20:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3338 * sh.md (is_sfunc): New attribute.
3339 * sh.h (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): Use it.
3341 Thu Feb 11 01:06:49 1999 Nathan Sidwell <nathan@acm.org>
3343 * fold-const.c (range_binop): Take account of the bounded nature
3344 of fixed length arithmetic when comparing unbounded ranges.
3346 Thu Feb 11 00:08:17 1999 John Wehle (john@feith.com)
3348 * function.c (assign_stack_temp_for_type): Clear best_p
3349 when an exact match is found.
3351 * i386.h (LOCAL_ALIGNMENT): Define.
3352 * function.c (assign_stack_local, assign_outer_stack_local): Use it.
3353 (assign_stack_temp_for_type): New function based on assign_stack_temp.
3354 (assign_stack_temp): Call it.
3355 (assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp.
3356 * stmt.c: Use assign_temp, not assign_stack_temp.
3357 * tm.texi: Document LOCAL_ALIGNMENT.
3359 Wed Feb 10 23:28:28 1999 Jeffrey A Law (law@cygnus.com)
3361 * reorg.c: Finish deleting half-deleted comment.
3363 Wed Feb 10 17:12:21 1999 Jim Wilson <wilson@cygnus.com>
3365 * emit-rtl.c (operand_subword): Sign extend REAL_VALUE_TO_TARGET_SINGLE
3367 * final.c (split_double): Sign extend REAL_VALUE_TO_TARGET_DOUBLE
3369 * real.c (endian): Delete sign extension code.
3370 * config/m32r/m32r.md (movsf_insn+1): REAL_VALUE_TO_TARGET_SINGLE call
3371 replaced with operand_subword call.
3373 Wed Feb 10 15:16:39 1999 Richard Henderson <rth@cygnus.com>
3375 * alpha.md (cmov compound patterns): Delete. Jump can now
3376 create the correct constructs in the first place.
3378 Wed Feb 10 11:03:22 1999 Richard Henderson <rth@cygnus.com>
3380 * configure.in (alphaev6*): Fix typo in target_cpu_default2.
3382 Wed Feb 10 13:59:18 1999 Dave Brolley <brolley@cygnus.com>
3384 * mbchar.c (local_mb_cur_max): Handle the case where MB_CUR_MAX is 0.
3386 Wed Feb 10 10:35:05 1999 Jim Wilson <wilson@cygnus.com>
3388 * tmp-emsgids.c: Delete.
3390 Wed Feb 10 09:57:08 1999 Mark Mitchell <mark@markmitchell.com>
3392 * rtlanal.c (for_each_rtx): Fix declaration to conform to GNU
3395 Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com)
3397 * mn10200.md (bset, bclr): Operand 0 is a read/write operand.
3399 * reload1.c (reload_combine_note_store): Second argument is no
3400 longer unused/ignored. Handle multi-register hard regs.
3401 (move2add_note_store): Simplify.
3403 Wed Feb 10 10:05:23 1999 Mumit Khan <khan@xraylith.wisc.edu>
3405 * collect2.c (collect_execute): Remove cygwin-specific code.
3407 Tue Feb 9 17:27:29 GMT 1999 Nathan Sidwell <nathan@acm.org>
3409 * system.h (_, N_): Remove dummy i18n macros.
3410 * protoize.c: Move inclusion of intl.h to after system.h.
3411 * cexp.y: Include intl.h.
3414 Tue Feb 9 16:52:22 1999 Mumit Khan <khan@xraylith.wisc.edu>
3416 * i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore
3417 fpic/fPIC for windows32 targets.
3418 * i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32
3420 * i386/mingw32.h (CPP_SPEC): Define.
3421 (CPP_PREDEFINES): Add MINGW32 version id.
3422 * i386/crtdll.h (CPP_PREDEFINES): Likewise.
3424 * Makefile.in (collect2$(exeext)): Delete redundant dependency and
3425 add missing exeext to target.
3427 * gcc.c (convert_filename): Handle null filename argument.
3429 Wed Feb 10 15:46:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3431 * config/c4x/c4x.md (*movhf_noclobber, *movhi_noclobber): Use
3432 m constraint instead of QT.
3434 1999-02-09 Brendan Kehoe <brendan@cygnus.com>
3436 * cpplib.c (special_symbol): Move IP to be declared in function
3437 scope, rather than individual case statements.
3439 1999-02-09 16:42 -0500 Zack Weinberg <zack@rabi.columbia.edu>
3441 * cppfiles.c (finclude): Handle pipes properly under old BSD
3444 1999-02-09 16:42 -0500 Melissa O'Neill <oneill@cs.sfu.ca>
3446 * system.h: Provide fallback definitions for S_ISCHR,
3447 S_ISSOCK, S_ISFIFO, O_NONBLOCK, and O_NOCTTY.
3449 1999-02-09 10:30 -0500 Zack Weinberg <zack@rabi.columbia.edu>
3451 * cpplib.c (do_define): Allow redefining __STDC__ with -D.
3453 1999-02-09 Jim Blandy <jimb@zwingli.cygnus.com>
3455 * configure.in: For PowerPC configurations, accept "401", "ec603e",
3456 "740", and "750" as valid arguments to --with-cpu.
3457 * configure: Rebuilt.
3459 Tue Feb 9 00:00:14 1999 Mark Kettenis <kettenis@gnu.org>
3461 * configure.in (i[34567]86-*gnu*): Set float_format to i386.
3462 * configure: Rebuilt.
3464 Mon Feb 8 22:38:24 1999 Jeffrey A Law (law@cygnus.com)
3466 * rs6000.md: Revert "alternate use of crs if cr0 not available"
3467 patches from 01-22-1999, 01-24-1999, 01-26-1999, and 02-08-1999.
3469 Mon Feb 8 21:36:44 1999 Richard Henderson <rth@cygnus.com>
3471 * output.h (current_function_has_computed_jump): Rename from
3472 current_function_addresses_labels.
3473 * function.h (struct function): Likewise for addresses_labels member.
3474 * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
3475 * function.c (current_function_has_computed_jump): Likewise.
3476 Update all references.
3477 * integrate.c (function_cannot_inline_p):
3478 Test current_function_has_computed_jump instead of addresses_labels.
3479 (initialize_for_inline): Likewise save.
3480 (output_inline_function): Likewise restore.
3482 * expr.c (expand_expr): Don't reference addresses_labels variables.
3483 * stmt.c (expand_computed_goto): Set has_computed_jump.
3485 1999-02-08 Michael Meissner <meissner@cygnus.com>
3487 This is being installed only to get it into the repository to help
3488 with the revert, resubmit & review process for the massive rs6000.md
3490 * rs6000.md (andsi3_internal1 splitter): Don't split if using the
3492 (anddi3_internal1): Likewise.
3493 (andsi3_internal{2,3}): Correct some insn lengths.
3494 (anddi3*): Restore missing TARGET_POWERPC64, and don't emit old
3497 Mon Feb 8 21:31:06 1999 Richard Henderson <rth@cygnus.com>
3499 * loop.c (reg_single_usage): New file-scope variable ...
3500 (scan_loop): ... moved out of here. Always initialize.
3501 Test loop_has_call instead of reg_single_usage not zero.
3502 Free reg_single_usage after strength reduction.
3503 (count_loop_regs_set): Assume single_usage non-zero.
3504 (combine_givs_used_by_other): Test reg_single_usage.
3505 (load_mems_and_recount_loop_regs_set): Remove reg_single_usage
3506 as a parameter. Assume non-zero.
3508 1999-02-08 23:25 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
3510 * cpplib.c (special_symbol): Rewrite. Don't copy things
3511 multiple times. Handle __STDC__ specially. T_CONST
3512 indicates a constant /string/. Don't handle T_*_TYPE and
3513 T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of
3514 adjust_position. Determine the file buffer only if needed.
3515 (initialize_builtins): Handle __SIZE_TYPE__,
3516 __PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and
3517 __REGISTER_PREFIX__ with T_CONST special hashtab entries.
3518 Don't provide __OBJC__; the driver does that. Provide
3519 __STDC_VERSION__, using T_CONST. Use T_STDC for
3520 __STDC__. Give install the length of all symbols defined.
3521 (eval_if_expression): Drop code to insert and remove the
3522 "defined" special symbol.
3524 * cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove
3525 T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC.
3527 * cpphash.c (install): Drop the `ivalue' parameter. Constify
3528 the `value' parameter. All callers changed.
3529 * cpphash.h (install): Change prototype to match.
3530 (union hashval): Remove `ival' member.
3531 * cppexp.c (cpp_lex): Handle `defined' here.
3533 Mon Feb 8 17:29:42 1999 Jeffrey A Law (law@cygnus.com)
3535 * pa.h (EXTRA_CONSTRAINT): Fix comment.
3537 Mon Feb 8 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
3539 * c-typeck.c (check_init_type_bitfields): Use nonincremental
3540 initialization of unions whose first member is a bitfield.
3541 Remove unnecessary code for checking the declaration mode
3542 after DECL_C_BIT_FIELD.
3544 * varasm.c (output_constructor): Additional comment about the
3545 constructor of bitfield union initialization.
3547 Tue Feb 9 11:55:04 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3549 * config/c4x/c4x.md (*movhi_stik): New pattern.
3550 (movhi): Allow some immediate constants to be directly
3553 Tue Feb 9 11:34:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3555 * config/c4x/c4x.md (all call patterns): Add constraints "Ur".
3556 (call, call_value): Force address into a register if not valid
3557 for a call instruction.
3558 (load_immed_address): Emit a USE of the SYMBOL_REF that is
3560 * config/c4x/c4x.c (c4x_print_operand): Fix 'C' and 'U' modifiers.
3562 Tue Feb 9 11:08:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3564 * config/c4x/c4x.c (call_address_operand, symbolic_address_operand):
3565 Rename from call_operand and symbolic_operand respectively. All
3567 * config/c4x/c4x.md (call_address_operand, symbolic_address_operand):
3569 * config/c4x/c4x.h (call_address_operand, symbolic_address_operand):
3571 (PREDICATE_CODES): Allow CONST, LABEL_REF for call_address_operand.
3573 Tue Feb 9 10:52:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3575 * config/c4x/c4x.c (c4x_legitimize_address): Don't generate a
3576 LO_SUM address for HImode or HFmode but instead force address into
3577 a register so that it is offsettable.
3578 (c4x_emit_move_sequence): Handle LO_SUM immediate address.
3580 Tue Feb 9 10:46:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3582 * config/c4x/c4x.c (c4x_address_cost): Return cost of 1 for
3583 REG+REG addressing if strength reduction enabled.
3585 Tue Feb 9 10:10:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3587 * config/c4x/t-c4x (LIBGCC2_CFLAGS): Delete.
3588 (TARGET_LIBGCC2_CFLAGS): Define.
3590 1999-02-08 Nick Clifton <nickc@cygnus.com>
3592 * config/v850/v850.md: Replace \\n\\t with \\;
3594 * config/v850/v850.md: Enforce TARGET_LONG_CALLS option.
3595 * config/v850/v850.c (construct_restore_jr, construct_save_jarl):
3596 Enforce TARGET_LONG_CALLS option.
3598 Mon Feb 8 11:43:07 1999 Donn Terry <donn@interix.com>
3600 * real.c (PUT_REAL) [XFmode]: Zero the balance of the structure.
3602 Mon Feb 8 11:37:24 1999 Marc Espie (espie@cvs.openbsd.org)
3604 * m88k/t-luna-gas: Remove bash dependency.
3606 Mon Feb 8 11:34:44 1999 Graham <grahams@rcp.co.uk>
3608 * collect2.c (xrealloc): Fix typo in last change.
3610 Mon Feb 8 09:13:38 PST 1999 Jeff Law (law@cygnus.com)
3612 * version.c: Bump for snapshot.
3614 Sun Feb 7 22:18:42 1999 Robert Lipe <robertlipe@usa.net>
3616 * tree.h (TYPE_CHECK): Make it clear to the preprocessor
3617 that we do not want macro replacement within a character constant.
3618 (TYPE_CHECK1): Likewise.
3620 Sun Feb 7 15:37:10 1999 Jason Merrill <jason@yorick.cygnus.com>
3622 * tree.h (DECL_P): New macro.
3624 Sun Feb 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
3626 * version.c: Bump for snapshot.
3628 Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com)
3630 * mn10300.md (reload_insi): Do not earlyclobber the output operand.
3632 * README.g77, gcc.c, gcc.texi: Update email addresses.
3633 * invoke.texi system.h: Likewise.
3635 Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com>
3637 * unroll.c (find_splittable_givs): After express_from, call replace_rtx
3638 to convert dest_reg to new_reg.
3640 Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com)
3642 * reload1.c (reload_combine_note_store): Be more careful with
3643 STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.
3644 (move2add_note_store): Likewise.
3646 Sat Feb 6 10:18:01 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3648 * cppfiles.c (read_and_prescan): Cast the result of `xrealloc' to
3649 U_CHAR* when assigning to one. Ensure the values of a ?: operator
3652 * cppinit.c (initialize_char_syntax): Use K&R function definition.
3654 Sat Feb 6 11:17:03 1999 Richard Earnshaw <rearnsha@arm.com>
3657 * config/arm/arm.c (all_procs): Add arm9 and arm9tdmi.
3658 * config/arm/arm.h ((TARGET_CPU_arm9, TARGET_CPUD_arm9tdmi): Define.
3659 (TARGET_CPU_DEFAULT): Rework to support ARM9.
3660 (CPP_CPU_ARCH_SPEC): Likewise.
3661 (enum processor_type): Likewise.
3662 * config/arm/arm.md (attr cpu): Add arm9.
3664 General scheduling changes
3665 * config/arm/arm.c (MAX_INSNS_SKIPPED): Delete.
3666 (max_insns_skipped): New variable.
3667 (arm_override_options): If generating hard floating point code for
3668 the FPA, emit code for version 3.
3669 When optimizing for space, don't synthesize constants.
3670 Reword several flags based on the requested processor and optimization
3672 (use_return_insn): New argument iscond, all callers changed. Don't
3673 use a return insn if it will be conditional and that would be
3674 expensive; eg on StrongARM.
3675 (arm_adjust_cost): Anti- and output- dependencies normally have no
3677 (load_multiple_sequence): Newer ARMs don't benefit from ldm if
3678 the sequence is short.
3679 (final_prescan_insn): Use max_insns_skipped instead of
3680 MAX_INSNS_SKIPPED. Note whether we will make a return instruction
3681 conditional, and aviod this if it would be expensive.
3682 * config/arm/arm.md (scheduling attributes and function units):
3683 Rewrite to better describe ARM8, 9 and StrongARM.
3685 * config/arm/arm.md (*movhi_insn_littleend): Make op0 predicate
3687 (*ifcompare_plus_move): Use arm_rhs_operand in place of
3688 arm_rhsm_operand. Rework constraints.
3689 (*if_plus_move): Likewise.
3690 (*ifcompare_move_plus): Likewise.
3691 (*if_move_plus): Likewise.
3692 (*ifcompre_arith_move): Likewise.
3693 (*if_arith_move): Likewise.
3694 (*ifcompare_move_arith): Likewise.
3695 (*if_move_arith): Likewise.
3697 * config/arm/xm-netbsd.h: Don't include arm/xm-arm.h.
3699 1999-02-05 Michael Meissner <meissner@cygnus.com>
3701 * loop.c (check_dbra_loop): A store using an address giv for which
3702 we have no life information is not reversible.
3704 Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com>
3706 * function.c (fixup_var_refs): Scan catch_clauses too.
3708 Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
3710 * c-common.c (decl_attributes): Fix reserved space for init_priority.
3711 * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
3713 Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com)
3715 * loop.c (strength_reduce): Clear not_every_iteration when
3716 passing the NOTE_INSN_LOOP_CONT note.
3718 * haifa-sched.c (add_dependence): Do not add a dependency on a
3721 Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com>
3723 * recog.c (split_block_insns): Only call update_flow_info if
3724 instruction scheduling is enabled.
3726 1999-02-05 11:22 -0500 Zack Weinberg <zack@rabi.columbia.edu>
3728 * Makefile.in (gen-protos): Use libcpp.a like everyone else.
3730 Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3732 * loop.c (first_loop_store_insn): New file-scope variable.
3733 (prescan_loop): Set it.
3734 (check_dbra_loop): Check if a store depends on a register
3735 that is set after the store.
3737 Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3739 * unroll.c (entire file): Remove tabs / spaces at end of lines.
3740 Replace spaces with tabs where appropriate.
3742 Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3744 * loop.c (scan_loop): New argument loop_cont. Changed caller.
3745 (strength_reduce): New argument loop_cont. Changed caller.
3746 Before clearing not_every_iteration after a label, check if
3747 we are not already past LOOP_CONT.
3749 1999-02-04 16:04 -0500 Zack Weinberg <zack@rabi.columbia.edu>
3751 * cpperror.c (cpp_print_containing_files): Fix formatting
3752 bug induced by merge.
3754 1999-02-04 14:33 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3756 * cpplib.c (initialize_char_syntax): Move to cppinit.c.
3757 (cpp_define): Remove redundant syntax checks.
3758 (make_assertion): Rename cpp_assert, remove redundant syntax
3760 (cpp_options_init): Don't init things to zero twice.
3761 (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
3762 (do_include): Kill excessively verbose #import warning that
3763 snuck back in in the gcc2 merge.
3764 (convert_string): Removed.
3765 (do_line): Rewrite with simple last-name-used cache instead of
3767 (cpp_start_read): Call initialize_char_syntax here, not...
3768 (cpp_reader_init): ...here.
3769 (cpp_handle_options): Support the -std switch.
3770 * cpplib.h (cpp_buffer): Add last_nominal_fname member.
3771 (cpp_options): Add c9x flag.
3772 Declare all the is_* tables and trigraph table here, as const.
3773 Prototype cpp_assert and initialize_char_syntax.
3774 * cppinit.c: New file.
3775 * cppfiles.c (read_and_prescan): Optimize.
3776 * Makefile.in (LIBCPP_OBJS): Add cppinit.o.
3778 Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com>
3780 * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3,
3781 [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register
3782 before calling gen_div_trap.
3784 Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com)
3786 * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather
3787 than numeric value for target_cpu_default..
3788 * configure: Rebuilt.
3790 Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr>
3792 * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and
3793 mkstemp. Get them from libiberty.
3794 (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp.
3795 (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute.
3796 (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules.
3797 (mkstemp.o, getopt1.o, getopt.o): Likewise.
3799 * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric
3801 * pa-hpux.h (LINK_SPEC): Likewise.
3802 * pa-hpux10.h (LINK_SPEC): Likewise.
3803 * pa-hpux9.h (LINK_SPEC): Likewise.
3804 * pa-osf.h (LINK_SPEC): Likewise.
3805 * pa-pro.h (TARGET_DEFAULT): Likewise.
3806 * pa1.h (TARGET_DEFAULT): Likewise.
3807 * pa.h (MASK_*): New defines.
3808 (TARGET_*): Use symbolic values rather than numeric values.
3809 (TARGET_SWITCHES): Likewise.
3810 (TARGET_DEFAULT): Likewise.
3811 (CPP_SPEC): Likewise.
3813 Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3815 * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
3816 * reload.c (find_reusable_reload): New function, broken out of
3817 push_reload. Add code to verify that none of the involved
3818 outputs are subject to earlyclobbers.
3819 (push_reload): Break out new function find_reusable_reload.
3820 Delete "register" keyword for IN, OUT args.
3822 Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com>
3824 * config/mips/mips.c (true_reg_or_0_operand) : New function.
3825 * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand.
3826 * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16):
3827 Use true_reg_or_0_operand for div_trap.
3829 Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3831 * loop.h (express_from): Declare.
3832 (struct induction): Replace derived flag with derived_from pointer.
3833 * loop.c (strength_reduce, record_giv, recombine_givs): Likewise.
3834 (express_from): No longer static.
3835 * unroll.c (find_splittable_givs): Replace derived with derived_from.
3836 When processing an address giv with which another giv has been
3837 combined that has also been derived from a third giv, handle like
3838 having combined with the third giv.
3839 Set splittable_regs_updates appropriately for derived givs.
3841 Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com>
3843 * config/mips/mips.md (div_trap_mips16): Remove nop's after branches.
3845 Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com)
3847 * pa.c (insn_sets_and_refs_are_delayed): New function.
3848 * pa.h (INSN_SETS_ARE_DELAYED): Use it.
3849 (INSN_REFERENCES_ARE_DELAYED): Likewise.
3851 Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com)
3853 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete.
3854 * config/arm/t-linux (LIBGCC2_CFLAGS): Delete.
3855 (TARGET_LIBGCC2_CFLAGS): Define.
3856 (LIBGCC2_DEBUG_CFLAGS): Define.
3857 * config/arm/t-netbsd: Likewise.
3858 * config/arm/t-semi: Likewise.
3859 * config/arm/t-semiaof: Likewise.
3860 * config/arm/t-riscix: Likewise.
3862 Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3864 * config/m68k/m68k.c (print_operand_address): When printing a
3865 SYMBOL_REF that ends in `.<letter>' put parentheses around it.
3867 Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org>
3869 * i386/freebsd*.h now allows '$' in label names and does not use the
3870 PCC struct return method.
3872 Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com>
3874 * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses
3875 of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST.
3876 (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file
3877 names if host == target.
3878 (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete.
3879 (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS.
3880 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules
3881 setting them to *_FOR_TARGET.
3882 * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST):
3885 Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3887 * toplev.h (read_integral_parameter): Declare.
3888 * toplev.c (read_integral_parameter): New function.
3890 Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
3892 * resource.c, resource.h: New files.
3893 * Makefile.in (OBJS): Add it.
3895 * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
3896 (split_block_insns): Moved to recog.c.
3897 (update_flow_info): Make public.
3898 * rtl.h: Declare them.
3900 * reorg.c: Moved the functions dealing with computing resource
3901 usage to resource.c.
3903 * sched.c (regno_use_in): Moved to rtlanal.c.
3904 (update_flow_info): Make public.
3905 (schedule_insns): Use split_block_insns.
3907 * recog.c (split_block_insns): New function.
3909 Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@gnu.org>
3911 * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
3912 (LINK_OS_DEFAULT_SPEC): Delete, unused.
3914 Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
3916 * configure.in (arm-*-oabi): Support.
3917 * configure: Regenerate.
3918 * config/arm/unknown-elf-oabi.h: New file.
3920 Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
3922 * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
3923 Make the anonymous pattern match when ! optimize_size.
3924 (ashlsi3 size optimizer): New pattern.
3926 * intl/Makefile.in (uninstall): Add missing "; \".
3928 Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
3930 * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
3933 Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3935 * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
3936 to after find_and_verify_loops call.
3938 Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3940 * (recombine_givs): Don't use a giv that's likely to be dead to
3943 * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
3944 wrap around when deriving givs.
3946 Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
3948 * recog.c (check_asm_operands): Treat indeterminate operand ok
3949 results as success. Try harder to resolve a matching constraint.
3950 * stmt.c (expand_asm_operands): Recognize when an output operand's
3951 constraint does not allow memory. Treat indeterminate operand ok
3952 results as failure. Try harder to resolve a matching constraint.
3954 Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
3956 Use varrays for constant-equivalence data:
3958 * varray.h (struct const_equiv_data): New type.
3959 (union varray_data_tag): New element const_equiv.
3960 (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
3961 (VARRAY_SIZE): New macro, returns number of elements.
3962 * integrate.h: Include varray.h.
3963 (struct inline_remap): Replace const_equiv_map, const_age_map and
3964 const_equiv_map_size with a const_equiv_varray element.
3965 (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
3967 (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
3968 simultaneously, growing the varray if needed.
3970 * integrate.c (global_const_equiv_map,
3971 global_const_equiv_map_size): Deleted, replaced by....
3972 (global_const_equiv_varray): New variable.
3973 (expand_inline_function): References changed.
3974 * integrate.h: Update declarations.
3976 * integrate.c (process_reg_parm, expand_inline_function,
3977 copy_rtx_and_substitute, try_constants, subst_constants,
3978 mark_stores): Use varray allocation and accessor macros, new
3979 integrate.h macros, and global_const_equiv_varray. Don't
3980 conditionalize non-NULL stores on array size; instead, expand the
3982 * unroll.c (unroll_loop): Likewise.
3984 * unroll.c (unroll_loop): Initialize const_equiv_varray element to
3985 zero. After allocating varray, always exit through bottom of
3986 function, where it can be deallocated if needed. Don't explicitly
3987 reallocate const_equiv_map storage; instead, just ensure the
3988 varray has been initialized, and update the global reference.
3990 Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3992 * system.h (inline, const): Handle these for stage2 (and later) gcc.
3994 * dwarf2out.c (inline): Don't define.
3996 * dwarfout.c (inline): Likewise.
3998 Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
4000 * loop.c (recombine_givs): Dump recombination and derivation data.
4002 Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
4004 * flags.h: Declare flag_no_ident.
4005 * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
4006 * c-tree.h: Don't declare flag_no_ident.
4007 * c-decl.c: Don't define flag_no_ident. Don't process
4008 -f(no-)ident switches here.
4010 * config/elfos.h (ASM_FILE_END): Output final .ident directive
4011 only if !flag_no_ident.
4012 * config/ptx4.h: Likewise.
4013 * config/svr4.h: Likewise.
4014 * config/alpha/elf.h: Likewise.
4015 * config/arm/linux-elf.h: Likewise.
4016 * config/i386/sco5.h: Likewise.
4017 * config/i860/fx2800.h: Likewise.
4018 * config/mips/gnu.h: Likewise.
4019 * config/i386/osfrose.h: Likewise.
4021 * gcc.c (C specs): Map -Qn to -fno-ident.
4022 * objc/lang-specs.h: Likewise.
4024 Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4026 * configure.in: Don't remove loop.o and unroll.o when
4027 enable-haifa is selected.
4028 * configure: Rebuilt.
4030 Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
4032 * i386.md (movsicc, movhicc, movsfcc, movdfcc,
4033 movxfcc, movdicc): Delete unconstrained alternatives.
4034 * i386.c (output_fp_conditional_move,
4035 output_int_conditional_move): Delete unused case.
4037 Sun Jan 31 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
4039 * version.c: Bump for snapshot.
4041 Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
4043 * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
4044 instead of bis and cpys. Combine alternatives where possible.
4046 Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4048 * gcov.c (fnotice): Add missing FILE* parameter.
4049 (function_summary): Fix format specifiers in calls to `fnotice'.
4050 (output_data): Likewise.
4052 * toplev.c (fnotice): Constify char* parameter.
4054 * toplev.h (fnotice): Add prototype.
4055 Wrap prototype with BUFSIZ to protect FILE* usage.
4057 Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4059 * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
4061 Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
4063 * combine.c (distribute_notes): Handle REG_EH_REGION notes.
4065 * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
4066 function definition.
4067 (aliases_everything_p, write_dependence_p):Likewise.
4069 * install.texi: Fix merge lossages.
4071 * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
4073 * collect2.c (main): Likewise.
4074 * cppmain.c (main): Likewise.
4075 * gcc.c (main): Likewise.
4076 * gcov.c (main): Likewise.
4077 * protoize.c (main): Likewise.
4078 * toplev.c (main): Likewise.
4080 * pa.md (parallel shift and shiftadd): Mark output of shift as an
4083 * loop.c: Disable recent loop changes. Temporary as Joern
4084 continues to fix problems.
4086 Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4088 * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
4090 Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
4092 * emit-rtl.c (remove_insn): New function.
4093 * rtl.h (remove_insn): Add prototype.
4094 * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
4096 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4098 * loop.c (recombine_givs): Don't try to derive givs that have combined.
4100 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4102 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
4103 when declaring arguments and calling va_arg() to initialize them.
4105 * collect2.c (notice): Likewise.
4107 * loop.c (find_life_end): Use PROTO() macro in the prototype.
4109 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4111 * collect2.c (error): Fix typo in declaration.
4113 * cpperror.c (cpp_message): Likewise.
4115 * cpplib.c (cpp_warning): Likewise.
4117 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
4120 * toplev.c (error): Fix typo in declaration.
4122 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4124 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
4125 forward from cont dominator.
4127 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4129 * cccp.c (eprint_string): Constify a char*.
4130 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
4131 (vnotice): Constify a char*.
4132 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
4133 (verror): Constify a char*.
4134 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
4135 (vwarning): Constify a char*.
4136 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
4138 (verror_with_line): Constify a char*.
4139 (vwarning_with_line): Likewise.
4140 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
4142 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
4144 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
4145 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
4146 Also correct typo in parameter name declaration.
4147 (make_assertion): Constify a char*.
4148 (quote_string_for_make): Likewise.
4149 (deps_output): Likewise.
4150 (fatal): Likewise. Use PVPROTO not VPROTO, add
4151 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
4152 "__attribute__ ((noreturn))".
4153 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
4154 (pfatal_with_name): Likewise.
4155 (pipe_closed): Likewise.
4156 (memory_full): Likewise.
4158 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4160 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
4161 may_not_optimize to proper size when converting biv increments
4163 If necessary, reallocate reg_iv_type / reg_iv_info before calling
4166 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4168 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
4169 generate complex adds. Changed caller.
4170 Don't generate adds that cost more than the original one.
4171 (strength_reduce): Warning fixes.
4173 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
4175 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
4176 * configure: Rebuilt.
4178 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4180 * rtl.h (insn_first_p, no_jumps_between_p): Declare.
4181 * rtlanal.c (insn_first_p, no_jumps_between_p): New function.
4182 * loop.h (varray.h): Include.
4183 (struct induction): Change combined_with to unsigned.
4184 New members derived, ix and last_use.
4185 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
4186 (REG_IV_TYPE, REG_IV_INFO): Define.
4187 (first_increment_giv, last_increment_giv): Declare.
4188 * loop.c (loop_number_loop_cont): New static variable.
4189 (loop_number_cont_dominator): Likewise.
4190 (reg_iv_type, reg_iv_info): Now varray_type.
4191 (first_increment_giv, last_increment_giv): New variables.
4192 (compute_luids, verify_dominator, find_life_end): New functions.
4193 (cmp_recombine_givs_stats, recombine_givs): Likewise.
4194 (loop_optimize): Allocate loop_number_loop_cont and
4195 loop_number_cont_dominator. Use compute_luids.
4196 (find_and_verify_loops): Initialize loop_number_loop_cont and
4197 loop_number_cont_dominator.
4198 (strength_reduce): Try to find bivs that can be expressed as givs
4199 of another biv, and to convert biv increments into givs.
4200 Call recombine_givs. Handle derived givs.
4201 (record_biv): New argument location. All callers changed.
4202 (record_giv): Initialize derived and last_use fields.
4203 (basic_induction_var): New argument location. All callers changed.
4204 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
4205 Increment combined_with instead of setting to 1.
4206 * unroll.c (derived_regs): New static variable.
4207 (unroll_loop): Initialize it.
4208 Allocate local_regno according to max_reg_num.
4209 (copy_loop_body): Cope with derived givs.
4210 (find_splittable_givs): Check for Givs made from biv increments.
4211 Set derived_regs for givs.
4212 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
4214 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4216 * function.c (purge_addressof_1): Handle case when a register
4217 has been used in a wider mode.
4219 1999-01-27 Bruce Korb <autogen@linuxbox.com>
4221 * fixinc/fixincl.c, fixinc/server.[ch]:
4222 Removed the last of the capitalized variable and proc names.
4224 * fixinc/server.c: Removed the process open code.
4225 * fixinc/procopen.c: New file containing the proc open code.
4226 * fixinc/inclhack.tpl: Added code to bypass a readability test
4227 when a file is not present. A problem on some systems.
4228 * fixinc/inclhack.sh, fixinc/fixincl.sh: Regenerated.
4230 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
4232 * cpplib.h (cpp_notice): Add prototype.
4234 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
4236 * Merge gcc2 snapshot 19980929.
4238 * cccp.c (PRINTF_PROTO): Remove.
4239 (PRINTF_PROTO_{1,2,3,4}: Likewise.
4241 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
4243 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
4244 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
4245 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
4247 * gen-protos.c (hashf): Delete in cpphash.o.
4248 * gen-protos.c (hashf): Delete in cpphash.o.
4250 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
4251 * expmed.c: Likewise.
4252 * rs6000.md: Likewise.
4254 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
4256 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
4258 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
4259 * rs6000.md (movsi, movdi): Likewise.
4261 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
4263 * function.c (expand_function_end): Pass arg_pointer_save_area to
4264 validize_mem before using it. Emit code into a sequence.
4266 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@gnu.org>
4268 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
4269 '#' to split patterns. Correct indentation of some new patterns.
4271 1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
4273 * cppfiles.c (safe_read): Deleted.
4274 (read_and_prescan): New function, replaces safe_read, converts
4275 and/or warns about trigraphs, silently converts odd line
4276 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
4277 (finclude): Use read_and_prescan; turn off nonblocking mode on
4278 the input descriptor; remove file-size-examination and
4279 no-newline-at-EOF gunk which is longer necessary; be more
4280 careful about checking that we've been handed a legitimate
4281 file to read (only real files, pipes, and ttys are acceptable).
4282 * cpplib.h (cpp_options): Rename no_trigraphs flag to
4283 `trigraphs' and invert its sense.
4284 (trigraph_table): Declare.
4285 (cpp_warning_with_line): Prototype.
4286 * cpplib.c: Remove all references to trigraph_pcp. Define
4287 trigraph_table; initialize it in initialize_char_syntax. Open
4288 files in nonblocking mode. s/no_trigraphs/trigraphs/
4289 throughout, and invert sense. Put cpp_warning_with_line back
4292 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4294 * config/c4x/c4x.h (COUNTER_REGS): New register class.
4295 * config/c4x/c4x.md (*rptb_init): Change constraints.
4296 (rptb_end): Emit alternate looping instructions if
4297 RC register not allocated for loop counter.
4298 (decrement_and_branch_on_count): Allow other registers
4301 1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu>
4303 * cppexp.c (struct arglist): Removed.
4304 (parse_number): Use HOST_WIDE_INT for the accumulator.
4305 Allow two `l' suffixes unless C89. Clean up. Make static.
4306 (parse_charconst): New function broken out of cpp_lex.
4307 Code cleaned up drastically. Don't use a token_buffer.
4308 (token_buffer): Removed.
4309 (cpp_lex): Don't call parse_number on a constant string.
4310 Use parse_charconst.
4311 (cpp_parse_expr): Properly handle an ERROR op returned by
4314 1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
4316 * cpplib.c: Don't include signal.h, sys/times.h, or
4317 sys/resource.h. Don't declare localtime.
4318 (macroexpand): Handle special symbols here.
4319 (push_macro_expansion): Chop off the trailing '@ ' if possible
4321 (cpp_get_token): Don't do either of the above two things here.
4322 Move `string' label just after case '"' so that wide strings
4323 don't crash the preprocessor.
4325 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@gnu.org>
4327 * rs6000.md (left shift + set cr patterns): Add missing '#' to
4329 (move register + set cr pattern): Likewise.
4330 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
4331 inadvertently deleted.
4333 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
4335 * stmt.c (stmt_loop_nest_empty): New function.
4336 * tree.h (stmt_loop_nest_empty): Declare it.
4337 * rtl.def (CALL_PLACEHOLDER): New rtx code.
4339 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4341 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
4343 (c4x_check_legit_addr): Remove USE and PLUS, allow
4344 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
4345 (c4x_legitimize_address): Penalize SYMBOL_REF, LABEL_REF, and
4346 CONST cases. Add LO_SUM.
4347 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
4348 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
4349 (c4x_print_operand_address): Handle LO_SUM.
4350 (c4x_scan_for_ldp): Delete. Hooray!
4351 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
4353 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
4355 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
4357 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
4359 (c4x_U_constraint, symbolic_operand): New functions.
4360 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
4361 disable SYMBOL_REF, LABEL_REF, and CONST.
4362 (lsrc_operand, tsrc_operand): Call src_operand instead of
4364 (c4x_operand_subword): Update comments.
4366 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
4367 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
4368 plus HIGH and LO_SUM for the C40.
4369 (ENCODE_SECTION_INFO): Define macro.
4370 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
4372 (PREDICATE_CODES): Add symbolic_operand.
4374 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
4375 c4x_emit_move_sequence.
4376 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
4377 to avoid symbol references.
4378 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
4379 (set_high): Renamed from set_high_use.
4380 (set_lo_sum): Renamed from set_ior_lo_use.
4381 (all call patterns): Make MEM explicit in call address operands.
4382 Modified output templates to use 'U' modifier.
4384 Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com)
4386 * version.c: Bump for snapshot.
4388 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4390 * final.c (bb_str): Qualify a char* with the keyword `const'.
4391 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
4393 * fix-header.c (read_scan_file): Likewise.
4395 * genoutput.c (output_epilogue, process_template): Likewise.
4397 * local-alloc.c (requires_inout, block_alloc): Likewise.
4399 * output.h (output_asm_insn, assemble_string): Likewise.
4401 * recog.c (recog_constraints, check_asm_operands,
4402 decode_asm_operands, extract_insn, preprocess_constraints,
4403 constrain_operands): Likewise.
4405 * recog.h (operand_alternative, recog_constraints, insn_template,
4406 insn_outfun, insn_operand_constraint, insn_name): Likewise.
4408 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
4410 * regmove.c (find_matches): Likewise.
4412 * reload.c (alternative_allows_memconst): Likewise.
4414 * reload1.c (constraint_accepts_reg_p,
4415 reload_cse_simplify_operands): Likewise.
4417 * rtl.h (decode_asm_operands): Likewise.
4419 * scan.h (fn_decl): Likewise.
4421 * varasm.c (assemble_string): Likewise.
4423 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
4425 * configure.in (gcc_tooldir): Handle case where exec_prefix has
4426 not been explicitly set.
4427 * configure: Rebuilt.
4429 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
4432 * bitmap.h (bitmap_head_def): Make indx field unsigned.
4434 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
4435 use $exec_prefix/$target_alias for gcc_tooldir.
4436 * configure: Rebuilt.
4438 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
4440 * cppp.c (xrealloc): Fix typo last change.
4441 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
4442 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
4443 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
4445 1999-01-22 Michael Meissner <meissner@cygnus.com>
4447 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
4448 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
4449 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
4450 (cc_reg_not_cr0_operand): Add declaration.
4452 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
4453 pseudo register, or a control register that is not CR0.
4455 * rs6000.md (all combiner patterns building . instructions): For
4456 all `.' instructions that do something and set cr0, add an
4457 alternative that does the operation, and then sets a different
4458 flag, in order to avoid using the costly mcrf instruction and also
4459 allow cr0 to be clobbered in asm statements. Also fix a few
4460 patterns that used the wrong register.
4462 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
4463 (rs6000_debug_name): Make const char *, not char *.
4465 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
4467 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
4468 (rs6000_select): Use const char * in casts.
4470 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
4472 * Makefile.in (gcc_tooldir): Move before first reference.
4473 Let autoconf substitute in a value.
4474 * configure.in (gcc_tooldir): Only use a relative path to the
4475 tool directory if $exec_prefix == $prefix.
4476 * configure: Rebuilt.
4478 * Makefile.in (tooldir): Replace with gcc_tooldir.
4480 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
4482 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indentation.
4483 (ashldi3 expander): Similarly. Update comments.
4484 (ashrdi_const, lshrdi_const): Fix indentation.
4485 (ashrdi3, lshrdi3): Fix indentation. Update comments.
4487 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
4489 * emit-rtl.c (try_split): Don't try to split non-instructions.
4491 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
4493 * expr.c (emit_push_insn): Fix dumb typo.
4495 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
4497 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
4498 transformations that we have performed earlier.
4499 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
4501 * alpha.md (prologue_stack_probe_loop): Don't do our own label
4502 handling, call gen_label_rtx instead.
4504 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
4506 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
4508 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
4509 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
4510 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
4511 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
4512 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
4514 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
4516 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
4517 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
4518 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
4519 * configure: Regenerate.
4521 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
4523 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
4525 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
4527 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
4529 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
4531 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
4532 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
4533 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
4534 (move_by_pieces): Use new macros.
4535 (emit_block_move): Use new macros.
4536 (clear_by_pieces): Use new macros.
4537 (clear_storage): Use new macros.
4538 (emit_push_insn): Use new macros.
4539 (expand_expr): Use new macros.
4540 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
4542 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
4543 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
4544 (MOVE_MAX_PIECES): Move 8 bytes on SH4.
4545 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
4546 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
4547 USE_STORE_PRE_DECREMENT): Describe new macros.
4549 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
4551 * varasm.c (output_constant_pool): Use floor_log2 instead of
4552 exact_log2 for ASM_OUTPUT_ALIGN.
4554 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
4556 * emit-rtl.c (operand_subword): Handle case when a subword outside
4559 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
4562 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
4564 * cse.c (fold_rtx): Revert 29 Dec change.
4565 (cse_insn): Revert 12 Jan change.
4566 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
4567 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
4568 * rtl.def: Likewise.
4569 * rtl.h (CONSTANT_P): Likewise.
4571 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
4573 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
4574 * alpha.c (input_operand): Likewise.
4575 * c4x.c (const_operand): Likewise.
4577 * explow.c (allocate_dynamic_stack_space): Use register_operand
4578 instead of arith_operand, which does not exist.
4580 * 1750a.h: Fix comment closure.
4581 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
4582 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
4583 * arm.h (TARGET_SWITCHES): Fix typo.
4584 * i370.md (anon mult and div patterns): Fix set mode mismatch.
4585 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
4586 (output_delay_insn): Likewise.
4587 * m88k.md (anon rotate insns): Fix set mode mismatch.
4588 (anon BLKmode moves): Commonize and fix set mode mismatches.
4589 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
4590 * romp.md (movdf): Fix typo.
4592 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
4594 * Makefile.in (install-common): Remove extraneous chmod for gcov
4597 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
4599 * function.c (assign_parms): Save and restore setting of
4602 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
4604 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
4605 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
4607 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
4609 * recog.c (pop_operand): New function.
4610 * recog.h (pop_operand): Declare it.
4611 * genrecog.c (preds): Define it.
4613 * expr.c (do_jump_for_compare): Handle conditional branch expanders
4614 emitting multiple jump instructions.
4615 * jump.c (condjump_label): New function.
4616 * rtl.h (condjump_label): Declare it.
4618 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
4620 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
4621 clobber during or after reload.
4623 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
4625 * genoutput.c (name_for_index): New function.
4626 (scan_operands, validate_insn_alternatives): Use it.
4627 * genrecog.c (insn_name_ptr_size): New variable.
4628 (make_insn_sequence): Fill in insn_name_ptr.
4629 (merge_trees): Use it.
4631 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
4633 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
4634 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
4635 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
4637 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
4639 * loop.c (NUM_STORES): Delete.
4640 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
4641 (prescan_loop): Properly initialize loop_mems_idx.
4642 (note_addr_stored): Simplify using list structure instead of
4644 (invariant_p, check_dbra_loop, load_mems): Similarly.
4646 * flow.c (invalidate_from_autoinc): New function.
4647 (mark_set_1, mark_used_regs): Use it.
4649 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
4651 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
4653 * invoke.texi (-mlong-double-64): New option description.
4655 1999-01-19 Jim Wilson <wilson@cygnus.com>
4657 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
4658 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
4659 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
4661 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
4662 (CPP_SPECS): Add -mlong-double-64 support.
4663 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
4664 (TARGET_SWITCHES): Add -mlong-double-64 support.
4665 (LONG_DOUBLE_TYPE_SIZE): Likewise.
4666 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4667 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
4668 (CPP_SPECS): Add -mlong-double-64 support.
4669 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
4670 (MULTILIB_DIRNAMES): Add ld64.
4671 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
4673 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
4675 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
4676 invisible reference.
4678 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@gnu.org>
4680 * rs6000.c (offsettable_addr_operand): Delete.
4681 (offsettable_mem_operand): New function.
4682 * rs6000.h (PREDICATE_CODES): Reflect function change.
4683 (RS6000_SAVE_TOC): Represent address as MEM.
4684 * win-nt.h (RS6000_SAVE_TOC): Same.
4685 * rs6000.md (indirect calls): Change offsettable address parameter
4686 to offsettable memory parameter.
4688 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
4690 * rtl.h (rtx_def): Update documentation.
4691 (MEM_IN_STRUCT_P): Likewise.
4692 (MEM_SCALAR_P): New macro.
4693 (MEM_COPY_ATTRIBUTES): Likewise.
4694 (MEM_SET_IN_STRUCT_P): Likewise.
4695 * rtl.texi (MEM_SCALAR_P): Document.
4696 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
4697 (fixed_scalar_and_varying_struct_p): New function. Use
4698 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
4699 (aliases_everything_p): Likewise.
4700 (true_dependence): Use them.
4701 (write_dependence_p): New function, containing code common to
4702 anti_dependence and output_dependence.
4703 (anti_dependence): Use it.
4704 (output_dependence): Likewise.
4705 * calls.c (save_fixed_argument_area): Don't clear
4707 (expand_call): Use MEM_SET_IN_STRUCT_P.
4708 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
4709 (emit_library_call_value): Likewise.
4710 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
4711 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
4712 (make_extraction): Likewise.
4713 (simplify_shift_const): Likewise.
4714 (gen_lowpart_for_combine): Likewise.
4715 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
4716 * emit-rtl.c (operand_subword): Likewise.
4717 (change_address): Likewise.
4718 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
4719 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
4720 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
4721 (copy_blkmode_from_reg): Likewise.
4722 (store_field): Likewise.
4723 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
4724 heuristically. Use MEM_SET_IN_STRUCT_P.
4725 (get_memory_rtx): Likewise.
4726 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
4727 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
4728 MEM_ALIAS_SET on newly returned MEMs.
4729 (assign_temp): Use MEM_SET_IN_STRUCT_P.
4730 (put_reg_into_stack): Likewise.
4731 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
4732 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
4733 (assign_parms): Likewise.
4734 (expand_function): Likewise.
4735 * integrate.c (expand_inline_function): Likewise.
4736 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
4737 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
4738 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
4739 * print-rtl.c (print_rtx): Print /f for frame_related.
4740 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
4741 * reload1.c (reload): Copy MEM_SCALAR_P as well.
4742 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
4743 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
4744 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
4745 (output_constant_def): Likewise.
4746 * a29k.c (a29k_set_memflags_1): Take scalar_p.
4748 (a29k_set_memflags): Use it.
4749 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
4750 * c4x.c (c4x_scan_for_ld): Likewise.
4751 * h8300.c (fix_bit_operand): Likewise.
4752 * m88k.c (legitimize_address): Likewise.
4753 (block_move_loop): Likewise.
4754 (block_move_no_loop): Likewise.
4755 (block_move_sequence): Likewise.
4756 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
4757 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
4758 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
4759 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
4760 * arm.h (arm_gen_load_multiple): Take scalar_p.
4761 (arm_store_load_multiple): Likewise.
4762 * arm.c (arm_gen_load_multiple): Likewise.
4763 (arm_gen_store_multiple): Likewise.
4764 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
4766 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
4768 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
4769 calls within a libcall block to indicate no throws are possible.
4770 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
4771 libcall blocks. Don't add edges to exception handlers if we see
4772 a REG_EH_REGION note with a value of 0.
4773 (make_edges): Override active_eh_region vector if the call has a note
4774 indicating the call does not throw.
4776 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
4778 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
4780 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
4782 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
4784 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
4786 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
4788 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
4790 * invoke.texi (-mcpu=740, -mcpu=750): New options.
4791 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
4794 1999-01-18 Michael Meissner <meissner@cygnus.com>
4796 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
4797 supported with -mcpu=xxx.
4798 (processor_type): Add PROCESSOR_PPC750.
4799 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
4800 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
4801 (rs6000_adjust_priority): Add declaration.
4803 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
4804 processor type as 750, not 603. Allow -mmultiple and -mstring on
4805 little endian 750 systems.
4806 (rs6000_adjust_priority): Stub for now.
4807 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
4809 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
4811 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
4813 (CC1_SPEC): Pass -mstrict-align if little endian, and not
4815 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
4816 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
4818 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
4821 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
4823 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
4825 * config/mips/mips.md (div_trap): Split div_trap_mips16
4827 (div_trap_normal,div_trap_mips16): Correct the length attributes.
4829 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4831 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
4832 Instead of writing to const char *buf directly, use a non-const
4833 variable `wbuf' to allocate and write a string, then set buf = wbuf.
4835 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
4838 * dyn-string.c (dyn_string_append): Likewise.
4840 * dyn-string.h (dyn_string_append): Likewise.
4842 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
4844 * output.h (end_final, output_operand_lossage, asm_fprintf,
4845 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
4848 * profile.c (init_branch_prob): Likewise.
4850 * toplev.c (set_target_switch, vmessage,
4851 v_message_with_file_and_line, v_message_with_decl,
4852 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
4853 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
4854 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
4855 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
4856 open_dump_file, dump_rtl, clean_dump_file,
4857 print_version, print_single_switch, print_switch_values,
4858 dump_base_name, debug_args, lang_independent_options,
4859 user_label_prefix, documented_lang_options, target_switches,
4860 target_options, print_time, pfatal_with_name, fatal_io_error,
4861 fatal_insn, default_print_error_function, print_error_function,
4862 report_error_function, error_with_file_and_line, error_with_decl,
4863 error_for_asm, error, fatal, warning_with_file_and_line,
4864 warning_with_decl, warning_for_asm, warning, pedwarn,
4865 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
4866 really_sorry, botch, output_quoted_string, output_file_directive,
4867 open_dump_file, rest_of_decl_compilation, display_help, main):
4870 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
4871 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
4872 warning_with_file_and_line, error_with_file_and_line, sorry,
4873 really_sorry, default_print_error_function, report_error_function,
4874 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
4875 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
4876 output_file_directive, botch): Likewise.
4878 * tree.h (make_decl_rtl): Likewise.
4880 * varasm.c (strip_reg_name, named_section, decode_reg_name,
4881 make_decl_rtl): Likewise.
4883 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
4885 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
4886 directory logically rather than physically.
4888 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4890 * loop.c (insert_bct): Hide the definition of variables
4891 `increment_direction', `compare_direction', `add_iteration' and
4894 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
4895 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
4896 (mode_independent_operand): Mark label `lose' with
4897 ATTRIBUTE_UNUSED_LABEL.
4899 * regclass.c (n_occurrences): Remove prototype and definition.
4901 * reload.c (find_reloads_address_1): Mark variable `tem' with
4904 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
4906 * sbitmap.c (sbitmap_copy): Likewise.
4908 * scan-decls.c (scan_decls): Hide label `handle_comma'.
4910 * toplev.c (output_lang_identify): Mark prototype with
4913 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
4914 (make_tree_vec): Likewise.
4917 * varasm.c (assemble_static_space): Mark variable `tem' with
4920 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
4922 * Makefile.in (GCOV_INSTALL_NAME): New macro.
4923 (install-common): Use it.
4924 (uninstall): Use it.
4925 (uninstall): Use correct names for protoize and unprotoize.
4927 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
4928 Jeffrey A Law (law@cygnus.com)
4930 * flow.c (last_mem_set): Delete variable. References removed.
4931 (mem_set_list): New variable.
4932 (life_analysis): Initialize and finalize alias analysis.
4933 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
4934 (insn_dead_p): For a store to memory, search the entire mem_set_list
4936 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
4937 changes to their addresses. Add new entries to the mem_set_list for
4938 memory writes writes.
4939 (mark_used_regs): Kill entries on the mem_set_list which may be
4940 referenced by a load operation.
4942 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
4944 * alias.c (base_alias_check): Add missing return for differing
4947 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4949 * mips-tdump.c (print_file_desc): Handle unknown filenames and
4950 missing local symbols.
4952 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
4954 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
4956 * system.h (bcopy): Implement with memmove not memcpy.
4958 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
4960 * Makefile.in (cppulp.o): Add dependencies.
4962 * i386.md (integer conditional moves): Add missing earlyclobbers.
4964 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
4965 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
4966 where a register is live.
4968 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
4970 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
4971 of a FP conditional move is not on the FP register stack.
4973 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
4975 * version.c: Bump for snapshot.
4977 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
4979 * reload1.c (reload_cse_regs_1): Do not call
4980 reload_cse_simplify_operands for an insn with asm operands.
4982 * cccp.c (print_help): Fix typos.
4983 * cpplib.c (print_help): Fix typos.
4984 * toplev.c (f_optiosn): Fix typos.
4985 (documented_lang_options): Fix typos.
4987 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
4989 * gcc.c (do_spec_1): Fix obvious typo.
4991 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4993 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
4994 a non-static function declaration follows a static one.
4996 * invoke.texi (-Wtraditional): Document the extra check now done
4999 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
5001 * pa.md (shadd): Create shadd insns, even if the result of the shift is
5002 needed without the addition.
5004 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5006 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
5008 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
5010 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
5012 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@gnu.org>
5014 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
5015 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
5016 non_add_cint_operand, non_logical_cint_operand): Likewise.
5017 (get_issue_rate): Add CPU_PPC604E case.
5018 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
5020 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
5022 * expr.c (queued_subexp_p): Make public.
5023 * expr.h (queued_subexp_p): Declare it.
5024 * recog.c (asm_operand_ok): New function.
5025 (check_asm_operands): Use it. After reload, use constrain_operands
5027 * recog.h (asm_operand_ok): Declare it.
5028 * stmt.c (expand_asm_operands): Use it to try harder to make
5029 asms initially satisfy their constraints.
5031 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
5033 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
5034 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
5036 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5038 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
5039 in delay slot of RPTBD.
5041 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5043 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
5044 divide and modulo sign problem.
5046 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5048 * unroll.c (loop_iterations): Return 0 if the last loop insn
5049 is not a jump insn or if the loop has multiple back edges.
5051 1999-01-15 Manfred Hollstein <manfred@s-direktnet.de>
5053 * configure.in (fixinc_defs): Do not define for m[68]8k-motorola-sysv{,3};
5054 it's working properly now. Remove comment saying "see m68k-motorola-sysv
5056 * configure: Regenerate using autoconf.
5058 * fixinc/fixincl.c (main): Do not ignore SIGCHLD.
5060 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
5062 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
5063 a register with another DEST_ADDR giv if the address is not valid.
5065 * pa.c (hppa_expand_epilogue): Save and restore the static chain
5066 around the call to mcount.
5068 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
5070 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
5071 generating non-canonical rtl.
5073 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
5075 * config/i960/i960.c (i960_output_move_double_zero,
5076 i960_output_move_quad_zero): New functions for moving zeros.
5077 (i960_output_move_double, i960_output_move_quad): Additional code
5078 for situation when moving unaligned register group.
5080 * config/i960/i960.h (i960_output_move_double_zero,
5081 i960_output_move_quad_zero): The function definitions.
5083 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
5085 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
5087 * config/i960/i960.c (i960_function_prologue): New code (optimal
5088 solution) for saving global registers in local registers.
5089 (form_reg_groups, reg_group_compare, split_reg_group): New
5090 functions used by the code.
5091 (reg_group): New structure definition for the new code.
5093 1999-01-13 Manfred Hollstein <manfred@s-direktnet.de>
5095 * fixinc/fixincl.c (create_file): Pass file creation mask as
5096 third parameter to "open". Use O_TRUNC flag to open instead of
5097 explicitly unlink'ing the file.
5098 (process): and forget about the "chmod" stuff.
5100 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
5102 * integrate.c (expand_inline_function): Recognize (mem (addressof))
5103 and substitute. Copy the return value from there into a new pseudo.
5105 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
5107 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
5108 before generating a call to abort for volatile functions.
5109 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
5110 (TARGET_ABORT_NORETURN): Define.
5111 (abort-on-noreturn): New option.
5113 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5115 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
5116 and binarycc operations in 3rd annulled delay slot!
5118 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
5120 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
5121 before generating a call to abort for volatile functions.
5122 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
5123 (TARGET_ABORT_NORETURN): Define.
5124 (abort-on-noreturn): New option.
5126 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5128 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
5129 Remove prototype which we get from libiberty.h.
5131 * collect2.c (xstrdup): Likewise.
5133 * genextract.c (xstrdup): Likewise for `copystr'.
5134 (mybzero): Remove it and use `memset' instead.
5136 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
5137 to use `memcpy' and `memset' instead.
5139 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
5140 changed. Remove prototype.
5141 (mybcopy, mybzero): Remove these and use memcpy/memset.
5143 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
5145 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
5146 generating code for TARGET_64BIT.
5148 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@gnu.org>
5150 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
5151 HOST_WIDE_INT word-size.
5152 (rs6000_stack_info): Remove redundant alignment of fpmem.
5154 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
5156 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
5157 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
5158 (input_operand): Adjust CONSTANT_P_RTX handling.
5159 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
5160 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
5161 (movhi, movqi): Remove CONSTANT_P_RTX handling.
5162 (movdi): Adjust CONSTANT_P_RTX handling.
5164 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
5166 * configure: Regenerate using autoconf.
5168 * fixinc/Makefile.in (INCLUDES): Add -I$(srcdir)/../../include.
5169 * fixinc/fixincl.c (SIGCHLD): Use SIGCLD on (very) old systems.
5170 (process): "fchmod" isn't available on all systems, use "chmod"
5172 * fixinc/server.c: Add #include <sys/types.h>.
5173 (STDIN_FILENO): Add default definition if no include file defines
5175 (STDOUT_FILENO): Likewise.
5177 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
5179 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
5181 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
5183 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
5184 ensure all prototypes necessary for building libio will be available.
5185 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
5186 definitions here as they are not host specific.
5187 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
5189 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
5191 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
5193 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
5195 * version.c: Bump for snapshot.
5197 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
5199 * rtl.c (rtx_alloc): Use memset instead of inline loop.
5201 * recog.h (recog_op_alt): Declare extern.
5203 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
5205 * function.c (purge_addressof_1): If the note accesses a mem+addressof
5206 in a wider mode than any replacement, adjust the cached replacement.
5207 Cache trivial substitutions as well.
5209 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
5211 * Makefile.in (OBJECTS): Add sbitmap.o.
5212 (BASIC_BLOCK_H): Add sbitmap.h.
5213 * basic-block.h: Move simple bitmap code to sbitmap.h.
5214 * flow.c: Move simple bitmap code to sbitmap.c.
5215 * sbitmap.h, sbitmap.c: New files.
5217 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
5219 * alpha.h (TARGET_SWITCHES): Document switches.
5220 (TARGET_OPTIONS): Likewise.
5222 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
5224 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
5226 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
5228 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
5230 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
5231 (basic_block_end): Rename to x_basic_block_end.
5232 (BLOCK_HEAD, BLOCK_END): Update.
5234 * caller-save.c: Change basic_block_head/end references to
5236 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
5237 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
5238 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
5240 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5242 * gcc.c (xstrerror): Renamed from my_strerror. All callers
5243 changed. Remove prototype since we get that from libiberty.h.
5245 * protoize.c (xstrerror): Likewise.
5247 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5249 * gcc.c (read_specs): Ensure format specifiers match their arguments.
5251 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
5253 * tree.c (copy_node): Oops. That would be copy not zero
5254 in that last change.
5256 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5258 * config/c4x/c4x.c: Include system.h.
5259 (c4x_caller_save_map): Disable caller save for RC.
5260 (c4x_optimization_options): Disable scheduling before reload.
5261 (valid_parallel_load_store) : Define return type as int.
5262 Remove unused variable regs.
5263 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
5265 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
5267 (*db, decrement_and_branch_until_zero): Fix up constraints
5268 to keep reload happy.
5270 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
5272 * tree.c (make_node): Call bzero instead of inline clear.
5273 (copy_node, make_tree_vec, build1): Likewise.
5274 (get_identifier): Call strlen instead of inline count.
5275 (maybe_get_identifier): Likewise.
5277 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5279 * config/c4x/c4x.md (in_annul_slot_3): Allow unarycc and binarycc
5280 operations in 3rd annulled delay slot.
5281 (*lshrqi3_const_set): Disallow c constraint for operand0.
5282 (modhi3+1, modhi3+2): Set attribute type to multi.
5283 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
5286 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5288 * gansidecl.h: Allow attribute unused on labels only when we are
5289 version 2.93 or higher. Not all versions of 2.92 have this feature.
5291 * version.c: Bump minor number to 93.
5293 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5295 * config/m68k/m68k.h: Declare output_function_epilogue.
5296 * recog.h: Declare next_insn_tests_no_inequality.
5298 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
5300 * stmt.c (optimize_tail_recursion): New function, extracted from ...
5301 (expand_return): Use optimize_tail_recursion.
5302 * tree.h (optimize_tail_recursion): Declare.
5304 * toplev.c (compile_file): Move call to output_func_start_profiler
5305 to after the loop to emit deferred functions.
5307 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5309 * system.h (abort): Supply more detailed information on how to
5310 report an Internal Compiler Error.
5312 Thu Jan 7 9:25:58 PST 1999 Bruce Korb (korb@datadesign.com)
5314 * fixinc/fixincl.c (*): More decapitalization of variables
5315 plus some explanatory comments.
5317 * fixinc/Makefile.in fixinc/mkfixinc.sh:
5318 When the fixincl program does not work for a certain system,
5319 we substitute a shell script. Added user commentary when
5322 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
5324 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
5325 allocate memory that will live beyond this function.
5326 (expand_call): Free it here.
5328 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
5330 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
5331 integer data not destined for fp regs.
5332 (LEGITIMIZE_RELOAD_ADDRESS): New.
5334 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
5335 Richard Henderson <rth@cygnus.com>
5337 Support for Hypersparc and Sparclite86x:
5338 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
5339 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
5340 (ASM_CPU32_DEFAULT_SPEC): Likewise.
5341 (TARGET_CPU_DEFAULT): Likewise.
5342 (enum processor_type): Likewise.
5343 (CPP_ENDIAN_SPEC): Handle little endian data.
5344 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
5345 (ADJUST_COST): Call sparc_adjust_cost.
5346 * sparc.c (sparc_override_options): Fix up for the new targets.
5347 (supersparc_adjust_cost): Make static.
5348 (hypersparc_adjust_cost): New.
5349 (ultrasparc_adjust_cost): Make static.
5350 (sparc_adjust_cost): New.
5351 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
5352 (function_unit): Add hypersparc scheduling rules.
5354 * configure.in (with_cpu handler): Recognize hypersparc.
5356 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5358 * config/c4x/c4x.c: Added space after negation operator.
5359 * config/c4x/c4x.h: Likewise.
5360 * config/c4x/c4x.md: Likewise.
5362 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5364 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
5366 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5368 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
5369 when a test can't be performed due to limited width of
5370 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
5371 Fix UDIV case for cases where the first operand has the highest bit
5374 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
5376 * pa.h (reg_class): Add FPUPPER_REGS.
5377 (REG_CLASS_NAMES): Similarly.
5378 (REG_CLASS_CONTENTS): Similarly.
5379 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
5380 (FP_REG_CLASS_P): Likewise.
5381 (REG_CLASS_FROM_LETTER): Similarly.
5382 (CLASS_MAX_NREGS): Similarly.
5384 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
5386 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
5387 for a typedef of bool. Make sure to have a copy of the file is
5388 in place before we look to fix it. Fix typo in variable name to
5391 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
5393 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
5394 value_mode for the return mode.
5396 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
5398 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
5399 debugging as default.
5401 * config/tm-dwarf2.h: New file.
5403 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
5405 * h8300.h (ASM_OUTPUT_LABELREF): Define.
5407 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
5408 * local-alloc.c (update_equiv_regs): Corresponding changes.
5409 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
5411 * calls.c (special_function_p): Push alloca test inside the large
5412 conditional which excludes functions not at file scope or not
5415 * calls.c (special_function_p): New function broken out of
5417 (precompute_register_parameters): Likewise.
5418 (store_one_arg): Likewise.
5419 (store_unaligned_argumetns_into_pseudos): Likewise.
5420 (save_fixed_argument_area): Likewise.
5421 (restore_fixed_argument_area): Likewise.
5422 (expand_call): Corresponding changes.
5424 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5426 * config/c4x/c4x.md (addqi3): If the destination operand is
5427 a hard register other than an extended precision register,
5428 emit addqi3_noclobber.
5429 (*addqi3_noclobber_reload): New pattern added so that reload
5430 will recognize a store of a pseudo, equivalent to the sum
5431 of the frame pointer and a constant, as an add insn.
5433 1999-01-06 Manfred Hollstein <manfred@s-direktnet.de>
5435 * fixinc/fixincl.c: Re-indent according to the GNU standards.
5436 fixinc/server.c: Likewise.
5437 fixinc/server.h: Likewise.
5439 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5441 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
5443 (const_sint32_operand): Likewise.
5445 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5447 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
5448 is a macro when deciding if we can use `jmp_buf' in prototypes.
5450 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net>
5452 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
5453 * configure: Rebuilt.
5454 * i386/xm-go32.h: Define LIBSTDCXX.
5456 * i386/go32.h (MD_EXEC_PREFIX): Define.
5457 (FILE_NAME_ABSOLUTE_P): Define.
5458 (LINK_COMMAND_SPEC): Define.
5460 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
5462 * expr.c (store_expr): If the lhs is a memory location pointed
5463 to be a postincremented (or postdecremented) pointer, always
5464 force the rhs to be evaluated into a pseudo.
5466 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
5468 * real.c (mtherr): Print more reasonable warning messages.
5470 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5472 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
5474 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
5475 (new_include_prefix): Constify char* parameters.
5477 * cppfiles.c (read_name_map): Likewise.
5478 (append_include_chain): Likewise. Also, use a writable char* copy
5479 of parameter `dir' which we then modify, rather than using the
5480 parameter itself to store the new writable string.
5481 (remap_filename): Constify some variables. Also, use a writable
5482 char* to store an allocated string which we will be modifying.
5484 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
5485 (cpp_start_read): Constify variable `str'.
5487 * cpplib.h (append_include_chain): Constify a char* parameter.
5489 * gcc.c Include prefix.h, don't prototype prefix.c functions.
5490 (add_prefix, save_string): Constify char* parameters.
5491 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
5493 * prefix.c: Include prefix.h.
5494 (get_key_value, translate_name, save_string, update_path,
5495 set_std_prefix): Constify various char* parameters and variables.
5496 (save_string): Use xmalloc, not malloc.
5497 (translate_name): Use a writable temporary variable to create and
5498 modify a string before setting it to a const char*.
5500 * prefix.h: New file to prototype functions exported from prefix.c.
5502 Tue Jan 5 8:52:18 PST 1999 Bruce Korb (korb@datadesign.com)
5504 * fixinc/fixincl.c (various): Added debug code so
5505 Manfred can trace the processing.
5507 * fixinc/inclhack.def (sys/utsname.h): Provide forward declaration of
5508 struct utsname on Ultrix V4.[35].
5510 * fixinc/{fixincl.x|fixincl.sh|inclhack.sh} : Regenerated.
5512 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
5514 * cpplib.c (skip_if_group): Split out the logic that handles
5515 directive recognition to its own function. Don't use
5516 parse markers; use a bare pointer into the buffer. Use
5517 copy/skip_rest_of_line instead of doing it by hand. Remove
5518 `return on any directive' mode which was never used, and take
5520 (consider_directive_while_skipping): New function, subroutine
5521 of skip_if_group. Logic streamlined a bit.
5522 (conditional_skip, do_elif, do_else): Call skip_if_group with
5525 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
5527 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
5530 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
5532 * extend.texi (Bound member functions): Document.
5534 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5536 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
5537 lang_to_string, type_to_string): Make return type const char*.
5538 (print_symbol): Apply `const' keyword to a char*.
5539 (print_file_desc): Cast structure member `crfd' to ulong when
5540 comparing against one.
5542 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
5543 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
5544 (progname, input_name): Apply `const' keyword to a char*.
5545 Don't redundantly include sys/stat.h.
5546 (alloc_info): Apply `const' keyword to a char*.
5547 (st_to_string, sc_to_string): Likewise.
5548 (hash_string): Cast variable `hash_string' to a symint_t when
5549 comparing against one.
5550 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
5551 Likewise cast it to long when comparing against one.
5552 (add_local_symbol): Apply `const' keyword to a char*.
5553 (add_ext_symbol): Likewise.
5554 (add_unknown_tag): Likewise.
5555 (add_procedure): Cast a printf-style field width to an int.
5556 (add_file): Cast PAGE_USIZE to long when comparing against one.
5557 (parse_begin): Cast a printf-style field width to an int.
5558 (parse_bend): Likewise.
5559 (parse_def): Likewise.
5560 (parse_end): Likewise.
5561 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
5562 (parse_stabs_common): Fix format specifier.
5563 (parse_input): Change type of variable `i' to Size_t.
5564 (write_object): Fix arguments to match format specifiers.
5565 Cast variable `num_write' to long when comparing against one.
5566 (read_seek): Cast variable `sys_read' to symint_t when comparing
5567 against one. Fix arguments to match format specifiers. Cast
5568 variable `size' to long when comparing against one.
5569 (copy_object): Cast result of `sizeof' to int when comparing
5570 against one. Fix arguments to match format specifiers. Cast
5571 variable `ifd' to long when comparing against a signed value.
5574 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5576 * c-common.c (decl_attributes): Allow applying attribute `unused'
5579 * c-parse.in (label): Parse attributes after a label, and call
5580 `decl_attributes' to handle them.
5582 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
5584 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
5585 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
5587 * invoke.texi: Note that labels can be marked `unused'.
5589 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
5591 * version.c: Bump for snapshot.
5593 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
5595 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
5596 RTL for a compare/jump sequence.
5598 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5600 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
5601 for a target with HAVE_cc0 defined.
5602 (emit_cmp_and_jump_insns): New function.
5603 * expr.h (emit_cmp_and_jump_insns): Prototype it.
5604 * loop.c (check_dbra_loop): Use it to replace calls
5605 to emit_cmp_insn and emit_jump_insn and to canonicalize
5606 the comparison if necessary.
5607 * unroll.c (unroll_loop): Likewise.
5609 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5611 * fixincludes (sys/utsname.h): Provide forward declaration of
5612 struct utsname on Ultrix V4.[35].
5614 * mips.md (div_trap): Use local labels instead of dot-relative
5617 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
5619 * pa.md (branch, negated branch): Handle (const_int 0) as first
5621 * pa.c (output_cbranch): Likewise.
5623 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@gnu.org>
5625 * rs6000.c (rs6000_stack_info): Undo spurious part of last
5628 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
5630 * extend.texi (__builtin_constant_p): Add missing @smallexample.
5632 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
5634 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
5636 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
5638 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
5639 (adddi_dishl32): Similarly.
5641 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
5642 for each insn in the skipped block.
5644 * reload1.c (reload_as_needed): Verify that the insn satisfies its
5645 constraints after replacing a register address with an autoincrement
5646 address for reload inheritance purposes.
5648 * i386.md (doubleword shifts): Avoid namespace pollution.
5650 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
5652 * configure.in (FreeBSD ELF): Needs special crt files.
5654 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
5656 * i386/xm-cygwin.h: Change DIR_SEPARATOR to forward slash.
5658 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5660 * loop.c (check_dbra_loop): While reversing the loop, if the
5661 comparison value has a VOID mode use the mode of the other operand
5662 to compute the mask.
5664 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
5666 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
5667 avoid warnings in compiling explow.c.
5669 (patch from Ken Raeburn, raeburn@cygnus.com)
5670 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
5671 fpmem_offset. Compute total size after that, and then
5672 rs6000_fpmem_offset using both values.
5674 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5676 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
5677 the future; indeed that already happens in some cases.
5679 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
5681 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
5682 (arith_operand): Remove constant_p_rtx handling.
5683 (const64_operand, const64_high_operand): Likewise.
5684 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
5685 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
5686 (small_int_or_double, uns_small_int, zero_operand): Likewise.
5687 * sparc.h (PREDICATE_CODES): Likewise.
5689 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
5691 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
5693 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
5694 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
5695 consider constant CONSTRUCTOR constant and to defer some cases
5697 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
5698 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
5700 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
5702 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
5703 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
5705 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
5706 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
5707 (sext_add_operand, and_operand, or_operand): Likewise.
5708 (reg_or_cint_operand, some_operand, input_operand): Likewise.
5709 * alpha.h (PREDICATE_CODES): Likewise.
5711 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
5713 * version.c: Bump for snapshot.
5715 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
5717 * gengenrtl.c (gencode): Always use bzero to clear memory instead
5718 of dangerous casts and stores.
5720 * Makefile.in (compare, gnucompare): Add missing else true clauses.
5722 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
5724 * alpha.md (builtin_longjmp): Add missing "DONE".
5726 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
5728 * gcc.c (execute): Enable -pipe with win32.
5730 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
5732 * config/arm/t-arm-elf: Add multiplib option for leading
5735 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
5736 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
5738 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
5739 than variable 'reload_address_base_reg_class'. [Note this
5740 change is unrelated to the others in this patch].
5742 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
5745 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5747 * alias.c (record_alias_subset): Remove ignored `&'.
5748 (init_alias_once): Likewise.
5750 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
5752 * config/mips/mips.c (mips_asm_file_end): Cast the result of
5753 fwrite to `int' when comparing against one.
5755 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
5756 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
5758 * cse.c (rehash_using_reg): Change type of variable `i' to
5761 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
5762 assigning it to one.
5764 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
5766 * final.c (final_scan_insn): Likewise for variable `i'.
5767 (output_asm_insn): Cast a char to unsigned char when used as an
5770 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
5771 assigning it to one.
5773 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
5775 * recog.c (preprocess_constraints): Cast a char to unsigned char
5776 when used as an array index.
5778 * regmove.c (find_matches): Likewise.
5780 * reload1.c (calculate_needs): Add default case in switch.
5781 (eliminate_regs_in_insn): Initialize variable `offset'.
5782 (set_offsets_for_label): Change type of variable `i' to unsigned.
5783 (reload_as_needed): Wrap variable `i' in macro check on
5784 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
5786 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
5787 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
5788 when comparing against one.
5790 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
5791 unsigned when comparing against one. Likewise for
5792 GET_MODE_ALIGNMENT().
5793 (layout_record): Cast record_align to int when comparing against a
5795 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
5798 * tree.c (get_identifier): Cast variable `len' to unsigned when
5799 comparing against one.
5800 (maybe_get_identifier): Likewise
5802 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
5804 * toplev.c (rest_of_compilation): Do not set reload_completed.
5805 * reload1.c (reload): Set reload_completed before calling
5806 cleanup_subreg_operands.
5808 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
5810 * reload1.c (emit_reload_insns): Check `set' not null before use.
5812 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
5814 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
5817 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
5819 * halfpic.c (half_pic_encode): Delete redundant code.
5821 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
5823 * toplev.c (main): Delete handling of -dM as a preprocessor
5826 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
5828 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
5829 -dI, which are handled by the preprocessor.
5831 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
5833 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
5834 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
5836 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
5838 * version.c: Bump for snapshot.
5840 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
5842 * version.c: Bump for snapshot.
5844 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
5846 * version.c: Bump for snapshot.
5848 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5850 * genattr.c (fatal): Qualify a char* with the `const' keyword.
5852 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
5853 write_unit_name, write_eligible_delay, expand_units,
5854 make_length_attrs, write_attr_case, find_attr,
5855 make_internal_attr): Likewise.
5856 * gencheck.c (tree_codes): Likewise.
5857 * gencodes.c (fatal): Likewise.
5858 * genconfig.c (fatal): Likewise.
5859 * genemit.c (fatal): Likewise.
5860 * genextract.c (fatal, walk_rtx, copystr): Likewise.
5861 * genflags.c (fatal): Likewise.
5862 * genopinit.c (fatal, optabs, gen_insn): Likewise.
5863 * genoutput.c (fatal, error, predicates): Likewise.
5864 * genpeep.c (fatal): Likewise.
5865 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
5866 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
5868 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5870 * configure.in (with-fast-fixincludes): Fix whitespace.
5871 * configure: Rebuilt.
5873 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
5874 asm() etc. function declarations in __DECC.
5876 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
5878 * expr.c (emit_move_insn_1): Only emit a clobber if the target
5879 is a pseudo register.
5881 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
5883 * gcse.c: Include expr.h in order to get the prototype for
5884 get_condition() which is used in delete_null_pointer_checks().
5886 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5888 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
5890 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
5892 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
5893 (ALL_CFLAGS): Delete SCHED_CFLAGS.
5895 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
5897 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
5900 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
5902 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
5903 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
5904 optimizations from the combiner.
5906 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5908 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
5910 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
5912 * toplev.c (main): Disable optimize_size if a specific
5913 optimization level is requested. Always set optimization
5914 level to 2 if -Os is specified.
5916 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
5918 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
5920 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
5921 initialize it using fname.
5923 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
5925 * cpplib.c (do_include): Treat #include_next in the
5926 primary source file as #include plus warning. Treat
5927 #include_next in a file included by absolute path as an
5928 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
5930 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5932 * cccp.c: Don't define MIN/MAX anymore.
5933 * cpplib.c: Likewise.
5934 * machmode.h: Likewise.
5935 * system.h: Provide definitions for MIN/MAX.
5937 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5939 * fix-header.c: Don't define xstrdup here.
5941 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5943 * loop.c (consec_sets_giv): New argument last_consec_insn.
5944 (strength_reduce): Provide / use it.
5946 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5948 * loop.h (loop_info): New field 'vtop'.
5949 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
5950 scanning loop for vtop.
5951 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
5952 (loop_iterations): Use them to determine if loop has a constant
5953 number of iterations. Set loop_info->vtop. Don't subtract
5954 common reg term from initial_value and final_value if have a
5957 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
5959 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
5961 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
5963 * mn10200.md (abssf2, negsf2): New expanders.
5965 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
5967 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
5969 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
5970 replaced by a CONCAT whose components do not have the same
5971 mode as the original SUBREG, use a new SUBREG to restore the
5974 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
5975 multiword complex values.
5977 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
5979 * cppalloc.c: Add xstrdup here.
5980 * cpplib.h: Remove savestring prototype.
5981 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
5983 * cppfiles.c: s/savestring/xstrdup/ throughout.
5985 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
5987 * cpplib.c: Make all directive handlers read their own
5989 (struct directive): Remove last two arguments from FUNC
5990 member prototype. Remove `command_reads_line' member
5992 (directive_table): Remove initializations of
5993 command_reads_line flag. Pretty-print.
5994 (eval_if_expression, do_define, do_line, do_include,
5995 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
5996 do_else, do_elif, do_sccs, do_assert, do_unassert,
5997 do_warning): Take only two args.
5999 (cpp_define): Call do_define with two args and the text to
6000 define stuffed into a buffer.
6001 (make_assertion): Call do_assert with two args.
6002 (handle_directive): Call do_line with two args. Call
6003 kt->func with two args. Remove command_reads_line
6005 (do_define, do_undef, do_error, do_warning, do_pragma,
6006 do_sccs): Read the rest of the line here.
6007 (do_ident): Gobble rest of line, as cccp does.
6008 (cpp_undef): New function.
6009 (cpp_start_read): Call cpp_undef instead of do_undef.
6011 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
6013 * cpphash.h (union hash_value): Remove `keydef' member, add a
6014 `struct hashnode *aschain' member for #assert.
6016 * cpplib.c (struct tokenlist_list, struct
6017 assertion_hashnode): Delete structure definitions.
6018 (assertion_install, assertion_lookup, delete_assertion,
6019 check_assertion, compare_token_lists, reverse_token_list,
6020 read_token_list, free_token_list): Delete functions.
6021 (parse_assertion): New function.
6022 (cpp_cleanup): Don't destroy the assertion_hashtable.
6024 (do_assert): Gut and rewrite. #assert foo (bar) places
6025 entries for `#foo' and `#foo(bar)' in the macro hash table,
6026 type T_ASSERT. The value union's `aschain' member is used
6027 to chain all answers for a given predicate together.
6028 (do_unassert): Also rewritten. Take an un-asserted
6029 answer off the chain from its predicate and call
6030 delete_macro on the hashnode, or walk a predicate chain
6031 calling delete_macro on all the entries.
6032 (cpp_read_check_assertion): Simply call parse_assertion to
6033 get the canonical assertion name, and look that up in the
6036 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
6039 * cpphash.c (install): Use bcopy instead of an explicit loop
6040 to copy the macro name.
6042 * cppexp.c (cpp_lex): Convert the result of
6043 cpp_read_check_assertion to a `struct operation' directly;
6044 don't go through parse_number.
6046 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6048 * loop.h (struct induction): Delete times_used member.
6049 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
6050 (n_times_used): Rename to n_times_set. Changed all users.
6051 (scan_loop): Free reg_single_usage before strength reduction.
6052 (record_giv, combine_givs): Remove handling of times_used member.
6053 (combine_givs_used_once): Rename to:
6054 (combine_givs_used_by_other) . Changed all callers.
6056 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
6058 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
6059 instead of TREE_CODE_CLASS == 't'.
6060 (gen_type_die): Likewise.
6061 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
6063 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
6065 * real.c (endian): Disable last change unless
6066 HOST_BITS_PER_WIDE_INT is greater than 32.
6068 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
6070 * output.h (force_data_section): New prototype.
6071 * varasm.c (force_data_section): New function to force the
6072 data section, regardless of what in_section thinks.
6073 * dwarf2out.c (output_call_frame_info): Call force_data_section
6074 since varasm may not realize we've changes sections.
6076 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
6078 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
6079 after completing reload.
6081 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
6082 deleted after reload.
6084 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
6086 * rtl.h (multiple_sets): Fix prototype.
6087 * rtlanal.c (multiple_sets): Fix return type.
6089 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
6091 * version.c: Bump for snapshot.
6093 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
6095 * version.c: Bump for snapshot.
6097 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
6099 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
6101 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6103 * rtl.h (recompute_reg_usage): Add second argument.
6104 * flow.c (recompute_reg_usage): Likewise.
6105 * toplev.c (rest_of_compilation): Supply second argument to
6106 recompute_reg_usage.
6108 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
6111 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
6113 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
6114 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
6115 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
6118 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
6120 * rtlanal.c (multiple_sets): New function.
6121 * rtl.h (multiple_sets): Declare it.
6122 * local-alloc.c (wipe_dead_reg): Use it.
6123 * global.c (global_conflicts): Likewise.
6125 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
6127 * global.c (record_conflicts): Don't use an array of shorts to
6128 store an array of ints.
6129 (global_conflicts): Likewise.
6131 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
6133 * alpha.c (alpha_expand_block_move): mode_for_size expects
6134 bits, not bytes. Infer extra alignment from addressof.
6136 1998-12-11 Michael Meissner <meissner@cygnus.com>
6138 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
6139 .sbss section, not .sdata.
6141 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
6143 * cccp.c: Do not #include <sys/stat.h> here; this is already done
6145 * collect2.c: Likewise.
6146 * cpplib.h: Likewise.
6149 * getpwd.c: Likewise.
6150 * protoize.c: Likewise.
6151 * toplev.c: Likewise.
6153 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
6154 and don't try to define it here.
6155 * Makefile.in (cppmain.o): Depend on machmode.h.
6156 (cpplib.o): Likewise.
6157 (cpperror.o): Likewise.
6158 (cppexp.o): Likewise.
6159 (cppfiles.o): Likewise.
6160 (cpphash.o): Likewise.
6161 (cppalloc.o): Likewise.
6162 (fix-header.o): Likewise.
6163 (scan-decls.o): Likewise.
6165 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
6167 * sh.c (print_operand): Lookup interrupt_handler attribute instead
6168 of relying on static variable.
6169 * (calc_live_regs): Likewise.
6170 * (sh_pragma_insert_attributes): Create interrupt_handler
6171 attribute if a pragma was specified.
6172 * (sh_valid_machine_decl_attribute): Don't set static flag.
6173 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
6175 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6177 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
6178 to determine if a register is live at a jump destination.
6179 Everything is dead at a BARRIER.
6181 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
6183 * cse.c (simplify_unary_operation): Sign-extend constants when
6184 they have the most significant bit set for the target.
6185 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
6187 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
6188 HOST_WIDE_INT temporary before negating it.
6189 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
6191 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
6193 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
6196 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6198 * collect2.h: New header file for prototypes.
6200 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
6202 * collect2.c: Include collect2.h.
6203 * tlink.c: Likewise.
6205 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
6207 * flow.c: Update some comments.
6209 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
6211 * objc/objc-act.c (cpp_initialized): Removed.
6212 (lang_init_options): Initialize cpplib.
6213 (lang_decode_option): Move initialization of cpplib to
6215 * c-lang.c (parse_options,parse_in): Added.
6216 (lang_init_options): Initialized cpplib here.
6217 * c-decl.c (parse_options,cpp_initialized): Removed.
6218 (c_decode_option): Move initialization of cpplib to
6221 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6223 * reload1.c (reload_combine, reload_combine_note_store):
6224 Make STORE_RUID always valid.
6225 (reload_combine): Check if BASE is clobbered too early.
6227 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
6229 * reload.c (find_reloads): Display the insn that cannot be
6232 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
6234 * cccp.c (create_definition): Fix end of buffer logic.
6236 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6238 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
6239 pointer parameters changed to use the PARAMS() macro.
6241 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
6243 * except.h (struct handler_info): Add handler_number field.
6244 * except.c (gen_exception_label): EH labels no longer need to be
6245 on the permanent obstack.
6246 (get_new_handler): Set the label number field.
6247 (output_exception_table_entry): Regenerate handler label reference
6248 from the label number field.
6249 (init_eh): Remove a blank line.
6250 * integrate.c (get_label_from_map): Labels no longer need to be
6251 on the permanent obstack.
6253 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
6255 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
6256 only when OUTER_CODE is SET.
6258 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6260 * loop.c (strength_reduce): If scan_start points to the loop exit
6261 test, be wary of subversive use of gotos inside expression statements.
6262 Don't set maybe_multiple for a backward jump that does not
6263 include the label under consideration into its range.
6264 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
6266 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6268 * explow.c (plus_constant_wide): Don't immediately return with
6269 result of recursive call.
6271 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
6273 * eh-common.h (struct eh_context): Add table_index for rethrows.
6275 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
6276 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
6277 processed when inlined or unrolled (ie duplicated in some way).
6279 * rtl.c (reg_note_name): Add strings for new reg_note enums.
6281 * expr.h (rethrow_libfunc): New library decl.
6283 * optabs.c (rethrow_libfunc): Initialize.
6285 * except.h (struct eh_entry): Add new field 'rethrow_label'.
6286 (new_eh_region_entry): No longer exported from except.c.
6287 (duplicate_handlers): Renamed to duplicate_eh_handlers and
6288 different prototype.
6289 (rethrow_symbol_map, rethrow_used): New exported functions.
6290 (eh_region_from_symbol): New exported function.
6292 * except.c (create_rethrow_ref): New function to create a single
6293 SYMBOL_REF for a rethrow region.
6294 (push_eh_entry): Initialize a rethrow ref.
6295 (func_eh_entry): Add a rethrow_label field.
6296 (new_eh_region_entry): Make static, and initialize the rethrow entry.
6297 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
6298 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
6299 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
6300 a region into an appropriate new symbol.
6301 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
6302 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
6303 (end_catch_handler): Emit a barrier for new-exceptions since
6304 control can never drop through the end of a catch block.
6305 (expand_end_all_catch): new-exceptions never fall through a catch
6307 (expand_rethrow): Use __rethrow routine for new exceptions.
6308 (output_exception_table_entry): Generate rethrow labels, if needed.
6309 (output_exception_table): Generate start and end rethrow labels.
6310 (init_eh): Create rethrow symbols for beginning and end of table.
6311 (scan_region): Don't eliminate EH regions which are the targets of
6314 * flow.c (make_edges): Add different edges for rethrow calls,
6315 identified by having the REG_EH_RETHROW reg label.
6316 (delete_unreachable_blocks): Don't delete regions markers which are
6317 the target of a rethrow.
6319 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
6320 allow save_for_inline_copying to call duplicate_eh_handlers.
6321 (save_for_inline_copying): Call duplicate_eh_handlers instead of
6322 exposing internal details of exception regions.
6323 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
6324 (expand_inline_function_eh_labelmap): New callback routine to
6325 allow expand_inline_function to call duplicate_eh_handlers.
6326 (expand_inline_function): Call duplicate_eh_handlers instead of
6327 exposing internal details of exception regions.
6328 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
6331 * libgcc2.c (find_exception_handler): Generalize to enable it to
6332 pick up processing where it left off last time for a rethrow.
6333 (__unwinding_cleanup): New function. debug hook which is called before
6334 unwinding when __throw finds there is nothing but cleanups left.
6335 (throw_helper): Common parts of __throw extracted out for reuse.
6336 (__throw): Common parts moved to throw_helper.
6337 (__rethrow): New function for performing rethrows.
6339 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
6341 * reload1.c (current_function_decl): Tweak declaration.
6343 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
6345 * c-decl.c (flag_isoc9x): Default off.
6346 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
6347 * cccp.c (print_help, main): Likewise.
6348 * gcc.c (default_compilers): Update for -std=gnu*.
6350 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
6352 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
6353 * demangle.h: Deleted.
6355 * reload1.c (current_function_decl): Declare.
6357 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6359 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
6361 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6363 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
6365 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
6367 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
6369 * configure: Rebuilt.
6370 * system.h: If the *_unlocked functions are available use them
6371 instead of the locked counterparts by defining macros.
6372 * config.in: Regenerated.
6374 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
6376 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
6377 wrong and should only be used for dump related things, not
6378 debugging information, instead main_input_filename should be used.
6379 Also, reuse output_file_directive if possible.
6380 * i386/aix386ng.h (ASM_FILE_START): Likewise.
6381 * i386/isc.h (ASM_FILE_START): Likewise.
6382 * i386/win-nt.h (ASM_FILE_START): Likewise.
6383 * i386/sun386.h (ASM_FILE_START): Likewise.
6385 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
6387 * configure.in (mips*-*-linux*): Handle big and little endian
6389 * configure: Rebuilt.
6391 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
6393 * emit-rtl.c: Fix typo.
6395 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
6397 * reload1.c (eliminate_regs): Don't do anything, if we're not
6400 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
6402 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
6404 * mips/mips.c (mips_select_section): Add comment.
6406 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
6408 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
6409 characters in file names in #line to be consistent with #include
6410 handling. We support escape processing in the # 1 "..." version of
6411 the command. See also support in cp/lex.c.
6412 (handle_directive): Likewise.
6413 (do_line): Likewise.
6415 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
6417 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
6418 so it'll work on non-ASCII platforms. Always consider $ an
6419 identifier character. Take no arguments.
6420 (cpp_reader_init): Call initialize_char_syntax with no
6422 (cpp_start_read): Don't call initialize_char_syntax again.
6423 Clear is_idchar['$'] and is_idstart['$'] if not
6424 opts->dollars_in_ident.
6426 * cpplib.h (struct cpp_reader): Replace void *data element by
6427 cpp_options *opts. Rearrange elements to make gdb printout
6428 less annoying (put buffer stack at end).
6429 (CPP_OPTIONS): Get rid of now-unnecessary cast.
6431 * cppmain.c: s/data/opts/ when initializing cpp_reader
6433 * c-decl.c: Likewise.
6434 * objc/objc-act.c: Likewise.
6435 * fix-header.c: Likewise.
6437 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
6439 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
6440 with a struct file_name_list pointer.
6441 (struct cpp_reader): Add pointer to chain of `actual
6442 directory' include searchpath entries.
6443 (struct file_name_list): Add *alloc pointer for the sake of
6444 the actual-directory chain.
6446 Move definition of HOST_WIDE_INT here.
6447 (cpp_parse_escape): Change prototype to match changes in
6450 * cppfiles.c (actual_directory): New function.
6451 (finclude): Use it to initialize the buffer's actual_dir
6453 (find_include_file): We don't need to fix up max_include_len
6456 * cpplib.c (do_include): Don't allocate a file_name_list on
6457 the fly for current directory "" includes, use the one that's
6458 been preallocated in pfile->buffer->actual_dir. Hoist out
6459 duplicate code from the search_start selection logic.
6460 (cpp_reader_init): Initialize pfile->actual_dirs.
6462 Remove definition of HOST_WIDE_INT. Change calls
6463 to cpp_parse_escape to match changes in cppexp.c (note
6464 hardcoded MASK, which is safe since this is the source
6467 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
6468 to handle wide character constants in #if directives. The
6469 function now returns a HOST_WIDE_INT, and takes a third
6470 argument which is a binary mask for all legal values (0x00ff
6471 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
6472 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
6473 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
6475 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
6477 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
6479 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6481 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
6482 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
6483 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
6485 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
6487 * final.c (output_asm_name): Use tabs to separate comments from
6490 Include instruction lengths (if defined) in output.
6492 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6494 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
6495 in the loop_info structure.
6497 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
6499 * configure.in (arm*-*-ecos-elf): New target.
6500 * configure: Regenerated.
6501 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
6502 * config/arm/ecos-elf.h: New file.
6503 * config/arm/unknown-elf.h (TARGET_VERSION): Check
6506 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6508 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
6510 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
6512 * version.c: Bump for snapshot.
6514 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6516 * loop.c (check_dbra_loop): New argument loop_info. Update fields
6519 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
6521 * version.c: Bump for snapshot.
6523 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6525 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
6526 compressed reports are ok and preferred over URLs
6528 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6530 * invoke.texi (Warning Options): Soften the tone of -pedantic
6532 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
6534 * print-rtl.c (print_rtx): Add prototype.
6536 * unroll.c (iteration_info): Make it static.
6538 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
6540 * alias.c (memrefs_conflict_p): A second ANDed address
6541 disables the aligned address optimization.
6543 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
6545 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
6548 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
6550 * i960.h (BOOL_TYPE_SIZE): Define.
6552 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6554 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
6555 from old valid_parallel_operands_4.
6556 (valid_parallel_operands_4): Check that operands for 4 operand
6557 parallel insns are valid, excluding load/store insns.
6558 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
6559 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
6560 valid_parallel_load_store instead of valid_parallel_operands_4.
6561 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
6562 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
6563 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
6564 *notqi_movqi_clobber): Use valid_parallel_operands_4.
6565 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
6566 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
6567 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
6569 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6571 * config/c4x/c4x.c (iteration_info): Delete extern.
6573 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6575 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
6577 * final.c (cleanup_subreg_operands): Delete some unused code.
6579 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
6580 (struct insn_alternative): New structure definition.
6581 (recog_op_alt): Declare variable.
6582 (preprocess_constraints): Declare function.
6583 * recog.c (recog_op_alt): New variable.
6584 (extract_insn): Verify number of alternatives is in range.
6585 (preprocess_constraints): New function.
6586 * reg-stack.c: Include recog.h.
6587 (constrain_asm_operands): Delete.
6588 (get_asm_operand_lengths): Delete.
6589 (get_asm_operand_n_inputs): New function.
6590 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
6591 N_OUTPUTS args. All callers changed.
6592 Compute number of inputs and outputs here by calling
6593 get_asm_operand_n_inputs.
6594 Instead of constrain_asm_operands, call extract_insn,
6595 constrain_operands and preprocess_constraints. Use information
6596 computed by these functions throughout.
6597 (record_reg_life): Delete code that is unused due to changes in
6598 record_asm_reg_life.
6599 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
6600 N_INPUTS and N_OUTPUTS args. All callers changed.
6601 Similar changes as in record_asm_reg_life.
6602 (subst_stack_regs): Move n_operands declaration into the if statement
6604 Delete code that is unused due to changes in subst_asm_stack_regs.
6605 * stmt.c (expand_asm_operands): Verify number of alternatives is in
6607 * Makefile.in (reg-stack.o): Depend on recog.h.
6609 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
6611 * except.c (set_exception_version_code): Argument is an "int".
6613 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
6615 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
6616 * configure: Rebuilt.
6618 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
6620 * configure.in (mipsel-*-linux*): New target.
6621 * mips/linux.h: New file, based on other Linux targets.
6623 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
6625 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
6626 runs in the context of the deleter, not the deletee, so we must
6627 use taskVarGet to find the correct memory to free.
6628 (__gthread_key_create): Initialize the task
6629 variable subsystem so that the task variable is still active when
6630 the delete hook is run.
6632 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
6634 * pdp11.h: Use optimize_size for space optimizations.
6635 * pdp11.c: Likewise.
6636 * pdp11.md: Likewise.
6638 * pdp11.h (TARGET_40_PLUS): Fix typo.
6640 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
6642 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
6645 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6647 * alias.c (addr_side_effect_eval): New function.
6648 (memrefs_conflict_p): Use it.
6649 * rtl.h (addr_side_effect_eval): Prototype it.
6651 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
6653 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
6655 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
6657 * reload.c (find_reloads): When force const to memory, put result
6658 in substed_operand not *recog_operand_loc.
6660 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
6662 * c-lex.c: Fix indentation from last patch.
6663 Remove trailing whitespace.
6666 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
6668 * flow.c (delete_block): Call set_last_insn after we have reset
6669 NEXT_INSN (kept_tail).
6671 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
6673 * mips.md (trap_if): Use "$0" for the value zero.
6675 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
6676 Stephen L Moshier <moshier@world.std.com>
6677 Richard Henderson <rth@cygnus.com>
6679 * c-common.c (declare_function_name): Declare predefined variable
6682 * c-decl.c (flag_isoc9x): Set to 1 by default.
6683 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
6684 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
6686 * c-parse.in: Allow constructors in ISO C 9x.
6687 Rewrite designator list handling.
6688 Allow [*] parameters.
6689 Don't warn about comma at end of enum definition for ISO C 9x.
6691 * cccp.c (c9x): New variable.
6692 (rest_extension): New variable.
6693 (print_help): Document new -std= option.
6694 (main): Recognize -std= option. Set c9x appropriately.
6695 (create_definition): Recognize ISO C 9x vararg macros.
6697 * gcc.c (default_compilers): Adjust specs for -std options.
6698 (option_map): Add --std.
6699 (display_help): Document -std.
6701 * toplev.c (documented_lang_options): Add -std and remove
6704 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
6705 or REAL_VALUE_HTOF based on base of the constants.
6706 * fold-const.c (real_hex_to_f): New function. Replacement function
6707 for hex FP conversion if REAL_ARITHMETIC is not defined.
6708 * real.c (asctoeg): Add handling of hex FP constants.
6709 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
6712 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
6714 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
6715 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
6716 expansion. Use hi/lo as destination register.
6718 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
6719 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
6720 Avoid as macro expansion. Use hi/lo as destination register.
6722 * mips.h (MASK_CHECK_RANGE_DIV): New.
6723 (MASK_NO_CHECK_ZERO_DIV): New.
6724 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
6725 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
6726 return address for leaf functions out of r31 to support
6727 builtin_return_address.
6729 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6731 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
6732 NEXT_INSN(x) to check insn x.
6734 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
6736 * flow.c (delete_block): Call set_last_insn if we end up deleting the
6737 last insn in the rtl chain.
6739 * reload1.c (reload): Do not set reload_completed or split insns
6741 * toplev.c (rest_of_compilation): Set reload_completed after
6742 reload returns. Split insns after reload_cse has run.
6744 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
6746 * final.c (final_scan_insn): Abort if block_depth falls below 0.
6748 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
6750 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
6752 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
6754 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
6755 use of user-label_prefix.
6757 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6759 * reload1.c (emit_reload_insns): Clear spill_reg_store
6760 when doing a new non-inherited reload from the same pseudo.
6762 * local-alloc.c (function_invariant_p): New function.
6763 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
6764 to decide if an equivalence should be recorded.
6765 * reload1.c (num_eliminable_invariants): New static variable.
6766 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
6767 to decide if an equivalence should be recorded.
6769 (calculate_needs_all_insns): Skip insns that only set an equivalence.
6770 Take num_eliminable_invariants into account when deciding
6771 if register elimination should be done.
6772 (reload_as_needed): Take num_eliminable_invariants into account
6773 when deciding if register elimination should be done.
6774 (eliminate_regs): Handle non-constant reg_equiv_constant.
6775 * rtl.h (function_invariant_p): Declare.
6777 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
6779 * version.c: Bump for snapshot.
6781 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
6783 * version.c: Bump for snapshot.
6785 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
6787 * except.c (add_new_handler): Complain about additional handlers
6788 after one that catches everything.
6790 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
6792 * configure.in (alpha*-*-netbsd): Fix typo.
6793 * configure: Rebuilt.
6795 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6797 * system.h: Include libiberty.h.
6799 * c-aux-info.c: Remove prototypes for concat/concat3. Change
6800 function `concat' from fixed parameters to variable parameters,
6801 as is done in libiberty. All callers of concat/concat3
6802 changed to use the new `concat' with variable args.
6804 * cccp.c: Remove things made redundant by libiberty.h and/or
6805 conform to libiberty standards.
6807 * collect2.c: Likewise.
6808 * config/1750a/1750a.h: Likewise.
6809 * cppalloc.c: Likewise.
6810 * cppexp.c: Likewise.
6811 * cppfiles.c: Likewise.
6812 * cpphash.c: Likewise.
6813 * cpplib.c: Likewise.
6814 * dyn-string.c: Likewise.
6815 * fix-header.c: Likewise.
6818 * genattr.c: Likewise.
6819 * genattrtab.c: Likewise.
6820 * gencheck.c: Likewise.
6821 * gencodes.c: Likewise.
6822 * genconfig.c: Likewise.
6823 * genemit.c: Likewise.
6824 * genextract.c: Likewise.
6825 * genflags.c: Likewise.
6826 * gengenrtl.c: Likewise.
6827 * genopinit.c: Likewise.
6828 * genoutput.c: Likewise.
6829 * genpeep.c: Likewise.
6830 * genrecog.c: Likewise.
6831 * getpwd.c: Likewise.
6832 * halfpic.c: Likewise.
6834 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
6835 in NEED_DECLARATION_* macros.
6837 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
6838 conform to libiberty standards.
6839 (fatal): Fix const-ification of variable `format' in
6840 !ANSI_PROTOTYPES case.
6842 * prefix.c: Remove things made redundant by libiberty.h and/or
6843 conform to libiberty standards.
6845 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
6846 conflicting with function `spaces' from libiberty.
6848 * profile.c: Remove things made redundant by libiberty.h and/or
6849 conform to libiberty standards.
6850 * protoize.c: Likewise.
6853 * tlink.c: Likewise.
6854 * toplev.c: Likewise.
6855 * toplev.h: Likewise.
6858 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6860 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
6862 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6864 * README.C4X: Updated URLs.
6865 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
6866 (valid_parallel_operands_5): Remove unused variable.
6868 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6870 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
6872 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
6874 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
6875 which can be configured.
6876 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
6877 (Makefile): Pass actual LANGUAGES through the environment when
6879 (cstamp-h): Likewise.
6880 (config.status): Likewise.
6882 * configure.in (enable_languages): Add new configuration parameter
6883 "--enable-languages=lang1,lang2,...".
6884 (${srcdir}/*/config-lang.in): Change handling to configure only
6885 those directories, that the user might have enabled; default to
6886 "all" existing languages.
6887 * configure: Regenerate.
6889 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
6891 * rtlanal.c (regs_set_between_p): New function.
6892 * rtl.h (regs_set_between_p): Prototype it.
6893 * jump.c (jump_optimize): Use it instead of modified_between_p
6894 in the Sep 2 change.
6896 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
6897 Matthias Pfaller <leo@dachau.marco.de>
6899 * invoke.texi (Option Summary, NS32K Options): Add description
6900 of NS32K specific options.
6902 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
6903 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
6904 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
6905 negdf2, absdf2): Use l instead of f since the double class and
6906 float class are no longer the same.
6907 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
6908 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
6909 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
6910 Use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
6912 (cmpsi, cmphi, cmpqi): Use general_operand instead of
6913 non_immediate_operand. Removes erroneous assumption that can't
6915 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
6916 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
6918 (movstrsi, movstrsi1, movstrsi2): Completely new block move
6920 (...): Patterns to exploit multiply-add instructions.
6921 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
6922 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): New
6923 patterns to exploit extended divide insns.
6924 (udivsi3, udivhi3, udivqi3): Remove since superseded by udivmodsi
6927 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
6928 float return values as well as simple scalar floats.
6929 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
6930 Support new flag to denote 32381 fpu.
6931 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
6932 (CONDITIONAL_REGISTER_USAGE): Disable extra 32381 registers if not
6933 compiling for 32381.
6934 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
6935 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
6936 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
6937 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
6938 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
6939 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
6940 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
6941 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
6942 REG_OK_FOR_BASE_P, MEM_REG): New register scheme to include 32381
6943 fpu registers and special register classes for new 32381
6944 instructions dotf and polyf.
6945 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
6947 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
6948 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
6950 (SMALL_REGISTER_CLASSES): Make dependent on -mmult-add option.
6951 (MOVE_RATIO): Set to zero because of smart movstrsi implementation.
6952 (REGISTER_MOVE_COST): Move code to register_move_cost function for
6953 ease of coding and debugging.
6954 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
6955 LONG_FLOAT_REGO is likely spilled but not caught by default
6957 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): Use macro
6958 instead of hard coded numbers in range check.
6959 (ASM_OUTPUT_LABELREF_AS_INT): Delete since unused.
6960 (...): Add prototypes for functions in ns32k.c but disable because
6961 of problems when ns32k.h is included in machine independent files.
6963 * ns32k.c: Include "system.h", "tree.h", "expr.h", "flags.h".
6964 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
6965 hard_regno_mode_ok, secondary_reload_class,
6966 print_operand, print_operand_address): New register scheme to
6967 include 32381 fpu registers and special register classes for new
6968 32381 instructions dotf and polyf.
6969 (gen_indexed_expr): Make static to keep namespace clean.
6970 (check_reg): Remove since never called.
6971 (move_tail, expand_block_move): Helper functions for "movstrsi"
6973 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
6974 Increase cost of moves which go via memory.
6975 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
6976 (CPP_PREDEFINES): No longer predefine "unix".
6978 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
6979 Remove erroneous %$. print_operand() can work out from the rtx is
6980 an immediate prefix is required.
6982 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
6983 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
6984 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
6986 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
6989 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
6990 Correct handling of pic operands.
6991 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
6992 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
6993 -mrtd calling convention.
6995 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
6997 * gcc.c (option_map): Recognize --output-class-directory.
6999 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7001 * loop.h (precondition_loop_p): Added new mode argument.
7002 * unroll.c (precondition_loop_p): Likewise.
7003 (approx_final_value): Function deleted and subsumed
7004 into loop_iterations.
7005 (loop_find_equiv_value): New function.
7006 (loop_iterations): Use loop_find_equiv_value to find increments
7007 too large to be immediate constants. Also use it to find terms
7008 common to initial and final iteration values that can be removed.
7010 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7012 * loop.h (struct loop_info): Define new structure.
7013 (precondition_loop_p): Added prototype.
7014 (unroll_loop): Added new argument loop_info to prototype.
7015 (final_biv_value, final_giv_value): Added new argument n_iterations
7017 * loop.c (strength_reduce): Declare new structure loop_iteration_info
7018 and new pointer loop_info.
7019 (loop_n_iterations): Replace global variable by element in
7020 loop_info structure.
7021 (check_final_value): New argument n_iterations.
7022 (insert_bct): New argument loop_info.
7023 (loop_unroll_factor): Replace global array by element in
7024 loop_info structure.
7025 (loop_optimize): Remove code to allocate and initialize
7026 loop_unroll_factor_array.
7027 * unroll.c (precondition_loop_p): No longer static since
7028 used by branch on count optimization.
7029 (precondition_loop_p, unroll_loop): New argument loop_info.
7030 (final_biv_value, final_giv_value, find_splittable_regs): New
7031 argument n_iterations.
7032 (loop_iteration_var, loop_initial_value, loop_increment,
7033 loop_final_value, loop_comparison_code, loop_unroll_factor):
7034 Replaced global variables by loop_info structure.
7035 (loop_unroll_factor): Replace global array by element in
7036 loop_info structure.
7038 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7040 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
7043 * unroll.c (precondition_loop_p): Return loop_initial_value
7044 for initial_value instead of loop_iteration_var.
7046 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7048 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
7049 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
7050 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
7051 to output the instruction sequences.
7053 (rptb_top): Provide alternatives to use any register or memory
7055 (rptb_end): Emit use of operands rather than assigning them
7056 explicitly to the RS and RE registers.
7058 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7060 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
7061 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
7062 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
7063 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
7064 c4x_merge_notes, c4x_parallel_process,
7065 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
7066 c4x_combine_parallel): Delete.
7068 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7070 * config/c4x/c4x.c (c4x_override_options): For compatibility
7071 with old target options clear flag_branch_on_count_reg if
7072 -mno-rptb specified and set flag_argument_alias is -mno-aliases
7074 (c4x_output_cbranch): Handle a sequence of insns rather than a
7076 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
7077 has not been allocated as the loop counter.
7078 (c4x_address_conflict): Do not allow two volatile memory references.
7079 (valid_parallel_operands_4, valid_parallel_operands_5,
7080 valid_parallel_operands_6): Reject pattern if the register destination
7081 of the first set is used as part of an address in the second set.
7083 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7085 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
7086 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
7087 is no longer enabled if PARALLEL_MPY_FLAG set.
7088 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
7089 (REG_CLASS_CONTENTS): Add braces around initializers.
7090 (HAVE_MULTIPLE_PACK): Define.
7091 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
7092 REAL_VALUE_TO_DECIMAL.
7093 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
7094 REAL_VALUE_TO_DECIMAL.
7095 (ar0_reg_operand): Add prototype.
7096 (ar0_mem_operand): Likewise.
7097 (ar1_reg_operand): Likewise.
7098 (ar1_mem_operand): Likewise.
7099 (ar2_reg_operand): Likewise.
7100 (ar2_mem_operand): Likewise.
7101 (ar3_reg_operand): Likewise.
7102 (ar3_mem_operand): Likewise.
7103 (ar4_reg_operand): Likewise.
7104 (ar4_mem_operand): Likewise.
7105 (ar5_reg_operand): Likewise.
7106 (ar5_mem_operand): Likewise.
7107 (ar6_reg_operand): Likewise.
7108 (ar6_mem_operand): Likewise.
7109 (ar7_reg_operand): Likewise.
7110 (ar7_mem_operand): Likewise.
7111 (ir0_reg_operand): Likewise.
7112 (ir0_mem_operand): Likewise.
7113 (ir1_reg_operand): Likewise.
7114 (ir1_mem_operand): Likewise.
7115 (group1_reg_operand): Likewise.
7116 (group1_mem_operand): Likewise.
7117 (ir1_reg_operand): Likewise.
7118 (arx_reg_operand): Likewise.
7119 (not_rc_reg): Likewise.
7120 (not_modify_reg): Likewise.
7121 (c4x_group1_reg_operand): Remove prototype.
7122 (c4x_group1_mem_operand): Likewise.
7123 (c4x_arx_reg_operand): Likewise.
7125 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
7127 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
7128 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
7130 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7132 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
7135 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7137 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
7138 unless FMOVD_WORKS is defined.
7140 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7142 * regclass.c (init_reg_sets): Move code that calculates tables
7143 dependent on reg_class_contents from here...
7144 (init_reg_sets_1): To here.
7146 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
7148 * cpplib.h: Delete struct import_file. Add ihash element to
7149 struct cpp_buffer. Delete dont_repeat_files and
7150 import_hash_table elements from cpp_reader; change
7151 all_include_files to a hash table. Delete all foobar_include
7152 / last_foobar_include elements from struct cpp_options; put
7153 back four such: quote_include, bracket_include,
7154 system_include, after_include. Redo struct file_name_list
7155 completely. Add new structure type include_hash. Add
7156 prototypes for merge_include_chains and include_hash. Change
7157 prototypes for finclude, find_include_file, and
7158 append_include_chain to match changes below.
7160 * cppfiles.c (simplify_pathname, include_hash,
7161 remap_filename, merge_include_chains): New functions.
7162 (add_import, lookup_import, open_include_file): Removed.
7163 (INO_T_EQ): Define this (copied from cccp.c).
7164 (hack_vms_include_specification): Remove all calls and #if 0
7165 out the definition. It was being called incorrectly and at
7166 the wrong times. Until a VMSie can look at this, it's better
7167 to not pretend to support it.
7168 (append_include_chain): Change calling convention; now takes
7169 only one directory at a time, and sets up the data structure
7171 (redundant_include_p): Rewritten - this is now used for all
7172 include redundancy, whether by #ifndef, #import, or #pragma
7173 once. Looks up things in the include hash table.
7174 (file_cleanup): Decrement pfile->system_include_depth here if
7176 (find_include_file): Calling convention changed; now passes
7177 around a struct include_hash instead of 3 separate parameters.
7178 Guts ripped out and replaced with new include_hash mechanism.
7179 (finclude): Calling convention changed as for
7180 find_include_file. Error exits pulled out-of-line. Reformat.
7181 (safe_read): Return a long, not an int.
7182 (deps_output): Don't recurse.
7184 * cpplib.c (is_system_include): Deleted.
7185 (path_include): Fix up call to append_include_chain.
7186 (do_include): Fix up calls to find_include_file and finclude.
7187 Clean up dependency output a bit. Shorten obnoxiously lengthy
7188 #import warning message. Don't decrement
7189 pfile->system_include_depth here.
7190 (do_pragma): Understand the include_hash structure. Reformat.
7191 (do_endif): Correct handling of control macros. Understand
7193 (cpp_start_read): Fix up calls to finclude. Call
7194 merge_include_chains.
7195 (cpp_handle_option): Fix up calls to append_include_chain.
7196 Understand the four partial include chains.
7197 (cpp_finish): Add debugging code (#if 0-ed out) for the
7199 (cpp_cleanup): Free the include_hash, not the import hash and
7200 the all_include and dont_repeat lists which no longer exist.
7202 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
7204 * toplev.c (no_new_pseudos): Define.
7205 (rest_of_compilation): Set no_new_pseudos as needed.
7206 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
7207 if no_new_pseudos is set.
7208 * rtl.h (no_new_pseudos): Declare it.
7209 * reload1.c (reload): Update comments.
7210 * md.texi: Corresponding changes.
7212 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7214 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
7215 (choose_reload_regs): Rename it here as well. When computing it,
7216 also merge in used hardregs.
7218 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
7220 * gcc.c: Split out Objective-C specs to...
7221 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
7224 * c-lex.c (init_parse): Always initialize the filename global.
7225 * objc/objc-act.c (lang_init): Always call check_newline at
7228 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
7230 * reload1.c (reload): Remove unused variable.
7231 (reload_reg_free_for_value_p): Add missing parameter definition.
7233 * jump.c (jump_optimize): Remove unused variable.
7235 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
7237 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
7239 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
7241 * expr.c (move_by_pieces): Similarly.
7242 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
7243 * flow.c (find_auto_inc): Similarly.
7244 (try_pre_increment): Similarly.
7245 * loop.c (strength_reduce): Similarly.
7246 * regclass.c (auto_inc_dec_reg_p): Similarly.
7247 * regmove.c (try_auto_increment): Similarly.
7248 (fixup_match_1): Similarly.
7249 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
7250 (HAVE_PRE_DECREMENT): Similarly.
7251 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
7252 * Corresponding changes to all target header files.
7253 * tm.texi: Update docs for autoinc addressing modes.
7255 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
7257 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
7258 * configure: Rebuild.
7259 * config/elfos.h: New file.
7260 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
7261 config/m68k/t-m68kelf: New file.
7263 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
7265 * Makefile.in (HOST_AR): Define.
7266 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
7267 (libcpp.a): Use the host tools explicitly.
7268 (STAGESTUFF): Add libcpp.a.
7270 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
7272 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
7273 to source and destination registers.
7275 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
7277 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
7278 The strategy we now use is to pre allocate the top_elt along
7279 with the EH context so that each thread has its own top_elt.
7280 This is necessary as the dynamic cleanup chain is used on the
7281 top element of the stack and each thread MUST have its own.
7282 (eh_context_static): Likewise.
7283 (new_eh_context): Likewise.
7284 (__sjthrow): Likewise.
7286 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
7288 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
7289 * i386.md (prologue_get_pc): Remove unused variable.
7291 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
7293 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
7295 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
7297 * Makefile.in (OBJS): Add graph.o.
7298 (graph.o): New dependency list.
7299 * flags.h: Declare dump_for_graph and define graph_dump_types type.
7300 * print-rtl.c (dump_for_graph): Define new variable.
7301 (print_rtx): Rewrite to allow use in graph dumping functions.
7302 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
7303 finish_graph_dump_file.
7304 Define graph_dump_format.
7305 (compile_file): If graph dumping is enabled also clear these files.
7306 Finish graph dump files.
7307 (rest_of_compilation): Also dump graph information if enabled.
7308 (main): Recognize -dv to enabled VCG based graph dumping.
7309 * graph.c: New file. Graph dumping functions.
7311 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
7313 * configure.in: Look for <sys/stat.h>.
7314 * system.h: Include it before substitute S_ISREG definitions.
7316 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
7318 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
7319 * config/mips/iris6.h: Same.
7320 * config/mips/mips.md: Same.
7321 * config/mips/mips.c: Same; also add "-mabi=o64" option.
7322 * config/mips/mips.h: Same; also define ABI_O64.
7324 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7326 * configure.in: Use AC_PREREQ(2.12.1).
7328 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
7330 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
7331 * cpplib.c, gcc.c: Likewise.
7332 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
7334 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
7336 * local-alloc.c (local_alloc): Use malloc not alloca for
7337 reg_qty, reg_offset, ref_next_in_qty.
7339 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7341 * caller-save.c (insert_one_insn): Initialize the live_before and
7342 live_after register sets.
7346 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
7347 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
7348 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
7349 (fp_reg_names, assembler_dialect): New variables.
7350 (print_operand_address): Handle SUBREGs.
7351 (print_operand): Added 'o' case.
7352 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
7353 Name of FP registers depends on mode.
7354 (expand_block_move): Emit different code for SH4 hardware.
7355 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
7356 (from_compare): Likewise.
7357 (add_constant): New argument last_value. Changed all callers.
7358 (find_barrier): Don't try HImode load for FPUL_REG.
7359 (machine_dependent_reorg): Likewise.
7360 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
7361 (gen_far_branch): Emit a barrier after the new jump.
7362 (barrier_align): Don't trust instruction lengths before
7364 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
7365 Use auto-inc addressing for fp registers if doubles need to
7366 be loaded in two steps.
7367 Set sh_flag_remove_dead_before_cse.
7368 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
7369 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
7370 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
7371 Support for FIRST_XD_REG .. LAST_XD_REG.
7372 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
7373 (sh_expand_epilogue): Likewise.
7374 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
7375 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
7376 (arith_reg_operand): FPUL_REG is OK for SH4.
7377 (fp_arith_reg_operand, fp_extended_operand) New functions.
7378 (tertiary_reload_operand, fpscr_operand): Likewise.
7379 (commutative_float_operator, noncommutative_float_operator): Likewise.
7380 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
7381 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
7382 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
7383 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
7384 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
7385 (CONDITIONAL_REGISTER_USAGE): Likewise.
7386 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
7387 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
7388 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
7389 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
7390 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
7391 to -1 and sh_flag_remove_dead_before_cse to 1.
7392 (ASSEMBLER_DIALECT): Define to assembler_dialect.
7393 (assembler_dialect, fp_reg_names): Declare.
7394 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
7395 Hide names of registers that are not accessible.
7396 (CACHE_LOG): Take TARGET_CACHE32 into account.
7397 (LOOP_ALIGN): Take TARGET_HARWARD into account.
7398 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
7399 (FIRST_PSEUDO_REGISTER: Now 49.
7400 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
7401 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
7402 (HARD_REGNO_MODE_OK): Update.
7403 (enum reg_class): Add DF_REGS and FPSCR_REGS.
7404 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
7405 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
7406 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
7407 (NPARM_REGS): Eight floating point parameter registers on SH4.
7408 (BASE_RETURN_VALUE_REG): SH4 also passes double values
7409 in floating point registers.
7410 (GET_SH_ARG_CLASS) Likewise.
7411 Complex float types are also returned in float registers.
7412 (BASE_ARG_REG): Complex float types are also passes in float registers.
7413 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
7414 (LIBCALL_VALUE): Remove trailing semicolon.
7415 (ROUND_REG): Round when double precision value is passed in floating
7417 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
7418 passed on the stack.
7419 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
7420 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
7421 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
7422 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
7423 (MODE_DISP_OK_8): Not for SH4 DFmode.
7424 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
7425 Allow indexed addressing for PSImode after reload.
7426 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
7427 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
7428 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
7429 (DOUBLE_TYPE_SIZE): 64 for SH4.
7430 (RTX_COSTS): Add PLUS case.
7431 Increase cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
7432 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
7433 MAC_REGS, PR_REGS, DF_REGS.
7434 (REGISTER_NAMES): Use fp_reg_names.
7435 (enum processor_type): Add PROCESSOR_SH4.
7436 (sh_flag_remove_dead_before_cse): Declare.
7437 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
7438 (PREDICATE_CODES): Add binary_float_operator,
7439 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
7440 fpscr_operand, noncommutative_float_operator.
7441 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
7442 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
7443 * sh.md (attribute cpu): Add value sh4.
7444 (attrbutes fmovd, issues): Define.
7445 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
7446 (function units memory, int, mpy, fp): Make dependent on issue rate.
7447 (function units issue, single_issue, load_si, load): Define.
7448 (function units load_store, fdiv, gp_fpul): Define.
7449 (attribute hit_stack): Provide proper default.
7450 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
7451 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
7452 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
7453 (mulsi3_call): Now uses match_operand for function address.
7454 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
7456 (push, pop, push_e, pop_e): Now define_expands.
7457 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
7458 (movsi_ie): Added y/i alternative.
7459 (ic_invalidate_line_i, movdf_i4): New insns.
7460 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
7461 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
7462 (movdf): Add special code for SH4.
7463 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
7464 (call_valuei, calli, call_value): Likewise.
7465 (movsf): Emit no-op move.
7466 (mov_nop, movsi_y): New insns.
7467 (blt, sge): Generalize to handle DFmode.
7468 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
7469 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
7470 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
7471 (fpu_switch0, fpu_switch1, movpsi): New expanders.
7472 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
7473 (toggle_sz): New insn.
7474 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
7475 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
7476 (macsf3): Make use of fpscr visible. Disable for SH4.
7477 (floatsisf2): Make use of fpscr visible.
7478 (floatsisf2_i4): New insn.
7479 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
7480 (ieee_ccmpeqsf_t): Likewise.
7481 (fix_truncsfsi2): Emit different code for SH4.
7482 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
7483 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
7484 (negsf2, sqrtsf2, abssf2): Now expanders.
7485 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
7486 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
7487 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
7488 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
7489 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
7490 (fix_truncdfsi2_i4_2+1): New splitters.
7491 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
7492 (extendsfdf2, truncdfsf2): New expanders.
7493 (truncdfsf2_i4): New insn.
7494 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
7495 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
7496 * float-sh.h: When testing for __SH3E__, also test for
7497 __SH4_SINGLE_ONLY__ .
7498 * va-sh.h (__va_freg): Define to float.
7499 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
7500 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
7501 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
7502 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
7504 (TARGET_SH4_P): Define.
7507 * sh.md (movdf_k, movsf_i): Tweak the condition so that
7508 init_expr_once is satisfied about the existence of load / store insns.
7510 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
7511 Change m constraint in source operand to mr / mf.
7513 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
7515 * (__VA_REEF): Define.
7516 (__va_arg_sh1): Use it.
7518 * va-sh.h (va_start, va_arg, va_copy): Add parentheses.
7520 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
7522 * i386/dgux.c (struct option): Add new "description field".
7523 * m88k/m88k.c (struct option): Likewise.
7525 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
7527 * version.c: Bump for snapshot.
7529 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7531 * regmove.c (regmove_profitable_p): Use return value of find_matches
7534 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
7536 * version.c: Bump for snapshot.
7538 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
7540 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
7541 without reload having been called earlier.
7543 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
7545 (v850_reorg): Similarly.
7547 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
7549 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7551 * loop.c (move_movables): Start of libcall might be new loop start.
7553 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7555 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
7557 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7559 * function.c (nonlocal_goto_handler_slots): Renamed from
7560 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
7561 (push_function_context_to): Adjust for this change.
7562 (pop_function_context_from): Likewise.
7563 (init_function_start): Likewise.
7564 (expand_function_end): Likewise.
7565 * function.h (struct function): Likewise.
7566 * calls.c (expand_call): Likewise.
7567 * explow.c (allocate_dynamic_stack_space): Likewise.
7568 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
7569 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
7571 (expand_goto): When doing a nonlocal goto, find corresponding handler
7572 slot for it. Don't put the label address in the static chain register.
7573 (expand_end_bindings): Break out nonlocal goto handling code into
7574 three new functions.
7575 (expand_nl_handler_label, expand_nl_goto_receiver,
7576 expand_nl_goto_receivers): New static functions, broken out of
7577 expand_end_bindings and adapted to create one handler per nonlocal
7579 * function.c (delete_handlers): Delete insn if it references any of
7580 the nonlocal goto handler slots.
7581 * i960.md (nonlocal_goto): Comment out code that modifies
7583 * sparc.md (nonlocal_goto): Likewise.
7584 (goto_handler_and_restore_v9): Comment out.
7585 (goto_handler_and_restore_v9_sp64): Comment out.
7587 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7589 * expr.c (STACK_BYTES): Delete unused macro.
7590 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
7591 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
7592 (expand_call): Likewise.
7593 (emit_library_call): Likewise.
7594 (emit_library_call_value): Likewise.
7595 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
7596 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
7597 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
7598 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
7599 (allocate_dynamic_stack_space): Likewise.
7600 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
7601 (STACK_BOUNDARY): Update description to reflect the new situation.
7603 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
7605 * reorg.c (relax_delay_slots): When optimizing for code size, if a
7606 return with a filled delay slot is followed by a return with an
7607 unfilled delay slot, delete the first return and reemit the insn
7608 that was previously in its delay slot.
7610 * i860.c (single_insn_src_p): Add missing parens.
7611 * ginclude/math-3300.h: Likewise.
7613 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
7615 * regclass.c (init_reg_sets_1): Add prototype.
7616 (init_reg_modes): Likewise.
7618 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
7620 * c-common.c: Change warning messages to say `comparison is
7621 always true' or `comparison is always false' instead of the
7622 confusing `is always 0', `is always 1'.
7624 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
7626 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
7627 break instead of return (which loses closing '>').
7629 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
7631 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
7632 standard 387 constants.
7634 * i386.md (jump): Explicitly set "memory" attribute.
7635 (indirect_jump, prologue_set_stack_ptr): Likewise.
7636 (prologue_get_pc_and_set_got, pop): Likewise.
7637 (allocate_stack_worder, blockage, return_internal): Likewise.
7638 (return_pop_internal, nop): Likewise.
7639 (epilogue_set_stack_ptr, leave): Likewise.
7641 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
7643 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
7645 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7647 * reload1.c (reload_reg_free_for_value_p):
7648 Early auto_inc reloads don't conflict with outputs.
7650 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7652 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
7653 Instead call AC_HEADER_SYS_WAIT.
7655 * collect2.c: Don't provide defaults for sys/wait.h macros.
7657 * protoize.c: Likewise. Also, don't include sys/wait.h.
7659 * system.h: Include sys/wait.h and provide macro defaults.
7661 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7663 * Makefile.in (mandir): Set to @mandir@.
7664 (man1dir): New variable to hold the former value of $(mandir).
7665 Replace all uses of $(mandir) by $(man1dir).
7667 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
7669 * reload.c (find_reloads_address_part): If have a CONST_INT, create
7670 a new one before passing it to force_const_mem.
7672 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
7673 find_reloads_address call.
7675 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7677 * expr.c (store_expr): Don't generate load-store pair
7678 if TEMP is identical (according to ==) with TARGET.
7680 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7682 * reload1.c (reload_reg_free_for_value_p): When considered reload
7683 has an output, matching inputs are not sufficient to avoid conflict.
7685 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
7687 * hash.h (hash_table_key): New type.
7688 (hash_entry): Change `string' field to generic `key'.
7689 (hash_table): Add `comp' and `hash' functions.
7690 (hash_table_init): Take them as input.
7691 (hash_table_init_n): Likewise.
7692 (hash_lookup): Modify for generic keys.
7693 (hash_newfunc): Likewise.
7694 (hash_traverse): Likewise.
7695 (string_hash): New function.
7696 (string_compare): Likewise.
7697 (string_copy): Likewise.
7698 * hash.c (hash_table_init_n): Modify for generic keys.
7699 (hash_table_init): Likewise.
7700 (hash_lookup): Likewise.
7701 (hash_newfunc): Likewise.
7702 (hash_traverse): Likewise.
7703 (string_hash): Split out from hash_lookup.
7704 (string_compare): New function.
7705 (string_copy): Split out from hash_lookup.
7706 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
7708 (symbol_hash_lookup): Likewise.
7709 (file_hash_newfunc): Likewise.
7710 (file_hash_lookup): Likewise.
7711 (demangled_hash_newfunc): Likewise.
7712 (demangled_hash_lookup): Likewise.
7713 (tlink_int): Likewise.
7714 (read_repo_file): Likewise.
7715 (recompile_files): Likewise.
7716 (demangle_new_symbols): Likewise.
7717 (scan_linker_output): Likewise.
7719 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7721 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
7723 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@gnu.org>
7725 * rs6000.c (output_mi_thunk): Improve test for local branch.
7727 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7729 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
7731 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7733 * reload1.c (reload_reg_free_before_p): Delete.
7734 Changed all callers to use reload_reg_free_for_value_p instead.
7735 (reload_reg_free_for_value_p): Handle more reload types.
7736 A RELOAD_FOR_INPUT doesn't conflict with its
7737 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
7738 Add special case for OUT == const0_rtx.
7739 Added ignore_address_reloads argument. Changed all callers.
7741 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
7743 * toplev.c (compile_file): Don't pedwarn about undefined static
7744 functions just because we passed -Wunused.
7746 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7748 * function.c (purge_addressof_1): Unshare rtl created by
7751 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7753 * regmove.c (regmove_optimize): Don't do anything but
7754 optimize_reg_copy[123] when flag_regmove is not set.
7756 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
7758 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
7759 value in paradoxical SImode result, rather than truncating midpoint.
7761 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
7763 * alpha.c (reg_not_elim_operand): New.
7764 * alpha.h (PREDICATE_CODES): Add it.
7765 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
7766 for the multiplicand.
7768 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@gnu.org>
7770 * rs6000.md (movsf): Remove explicit secondary-reload-like
7771 functionality. Only truncate SFmode store if in FPR.
7772 (movsf splitters): Combine const_double splitters.
7773 (movsf_hardfloat): Add GPR support.
7775 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
7777 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
7778 deprecate -mlive-g0 and -mbroken-saverestore.
7779 * t-splet (MULTILIB_OPTIONS): Likewise.
7781 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
7782 in a leaf function. Clarify total_size/extra_size relationship.
7784 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
7786 * i386/cygwin32.asm: Delete.
7787 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
7788 * i386/cygwin32.h: Delete.
7789 * i386/cygwin.h: New file, renamed from cygwin32.h.
7790 * i386/t-cygwin32: Delete.
7791 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
7792 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
7793 * i386/x-cygwin32: Delete.
7794 * i386/x-cygwin: New file, renamed from x-cygwin32.
7795 * i386/xm-cygwin32: Delete.
7796 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
7797 renamed cygwin_ funcs for path translations.
7798 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
7799 * i386/winnt.c: Remove "32" from comment about cygwin.
7800 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
7801 * rs6000/cygwin32.h: Delete.
7802 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
7803 -D__CYGWIN__ to CPP_PREDEFINES.
7804 * rs6000/x-cygwin32: Delete.
7805 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
7806 * rs6000/xm-cygwin32: Delete.
7807 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
7809 * configure.in: Check for cygwin* instead of cygwin32. Account
7810 for the rename of cygwin-related config files to lose the "32"s.
7811 * configure: Regenerate.
7813 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
7814 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
7816 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
7818 * Makefile.in (JAVAGC): New macro.
7819 * configure: Rebuilt.
7820 * configure.in: Recognize --enable-java-gc argument. Subst
7823 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7825 Handle equivalences that have been obscured by gcse:
7827 * reload1.c (reload): Handle equivalences set up in multiple places.
7828 * local-alloc.c (reg_equiv_init_insns): New variable.
7829 (no_equiv): New function.
7830 (update_equiv_regs): Handle equivalences set up in multiple places.
7831 Don't ignore an insn just because its destination is likely to be
7834 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
7836 * except.c (expand_eh_return): Readd force_operand call lost in
7839 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@gnu.org>
7841 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
7843 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7845 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
7847 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7849 * regmove.c (regmove_optimize): Fix error in last change.
7851 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
7853 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
7854 offset in the .mask pseudo to compensate for frame pointer adjustments.
7855 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
7856 word swap arguments moved to/from FP registers.
7857 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
7859 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
7861 * version.c: Bump for snapshot.
7863 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
7865 * version.c: Bump for snapshot.
7867 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
7869 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
7870 times, then it can not be completely replaced.
7872 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
7874 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
7876 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7878 * gansidecl.h: Prepend a "G" to the macro wrapping this file
7879 (to distinguish it from the macro wrapping ansidecl.h.)
7880 Include libiberty's ansidecl.h. Remove all redundant definitions.
7881 Define the PROTO() style macros in terms of the PARAMS() ones.
7884 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
7885 __STDC__, when deciding whether to use ANSI variable args.
7886 (emit_library_call_value): Likewise.
7888 * cccp.c (error): Likewise.
7889 (warning): Likewise.
7890 (error_with_line): Likewise.
7891 (warning_with_line): Likewise.
7892 (pedwarn): Likewise.
7893 (pedwarn_with_line): Likewise.
7894 (pedwarn_with_file_and_line): Likewise.
7897 * cexp.y (error): Likewise.
7898 (pedwarn): Likewise.
7899 (warning): Likewise.
7901 * collect2.c (fatal_perror): Likewise.
7905 * combine.c (gen_rtx_combine): Likewise.
7907 * cpperror.c (cpp_message): Likewise.
7908 (cpp_fatal): Likewise.
7910 * cpplib.c (cpp_error): Likewise.
7911 (cpp_warning): Likewise.
7912 (cpp_pedwarn): Likewise.
7913 (cpp_error_with_line): Likewise.
7914 (cpp_warning_with_line): Likewise.
7915 (cpp_pedwarn_with_line): Likewise.
7916 (cpp_pedwarn_with_file_and_line): Likewise.
7918 * cpplib.h: Don't define PARAMS() macro.
7920 * demangle.h: Likewise.
7922 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
7923 when deciding whether to use ANSI variable args.
7925 * emit-rtl.c (gen_rtx): Likewise.
7926 (gen_rtvec): Likewise.
7928 * final.c (asm_fprintf): Likewise.
7930 * fix-header.c (cpp_message): Likewise.
7932 (cpp_fatal): Likewise.
7934 * gcc.c (concat): Likewise.
7938 * genattr.c (fatal): Likewise.
7940 * genattrtab.c (attr_rtx): Likewise.
7941 (attr_printf): Likewise.
7944 * gencodes.c (fatal): Likewise.
7946 * genconfig.c (fatal): Likewise.
7948 * genemit.c (fatal): Likewise.
7950 * genextract.c (fatal): Likewise.
7952 * genflags.c (fatal): Likewise.
7954 * genopinit.c (fatal): Likewise.
7956 * genoutput.c (fatal): Likewise.
7959 * genpeep.c (fatal): Likewise.
7961 * genrecog.c (fatal): Likewise.
7963 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
7964 deciding whether to declare `tree_node' and `rtx_def'.
7966 * hash.h: Don't define stuff we get from gansidecl.h.
7968 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
7969 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
7970 whether to use ANSI variable args.
7973 * prefix.c (concat): Likewise.
7977 * system.h: Likewise.
7979 * toplev.c (error_with_file_and_line): Likewise.
7980 (error_with_decl): Likewise.
7981 (error_for_asm): Likewise.
7984 (warning_with_file_and_line): Likewise.
7985 (warning_with_decl): Likewise.
7986 (warning_for_asm): Likewise.
7987 (warning): Likewise.
7988 (pedwarn): Likewise.
7989 (pedwarn_with_decl): Likewise.
7990 (pedwarn_with_file_and_line): Likewise.
7992 (really_sorry): Likewise.
7994 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
7995 whether to declare `tree_node' and `rtx_def'.
7997 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
7998 deciding whether to use ANSI variable args.
7999 (build_nt): Likewise.
8000 (build_parse_node): Likewise.
8002 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
8004 * version.c: Bump for snapshot.
8006 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8008 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
8010 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@gnu.org>
8012 * collect2.c (main, case 'b'): Use else if.
8014 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8016 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
8017 Arrange to include gansidecl.h in {ht}config.h & tm.h just
8018 before the config/ directory headers.
8019 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
8020 gansidecl.h in the list of dependencies.
8022 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
8023 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
8024 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
8025 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
8026 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
8027 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
8030 * cccp.c: Don't include gansidecl.h.
8032 * collect2.c: Likewise.
8033 * config/c4x/c4x.c: Likewise.
8034 * config/v850/v850.h: Likewise.
8035 * cppalloc.c: Likewise.
8036 * cpperror.c: Likewise.
8037 * cppexp.c: Likewise.
8038 * cppfiles.c: Likewise.
8039 * cpphash.c: Likewise.
8040 * cpplib.c: Likewise.
8041 * cppmain.c: Likewise.
8042 * cppulp.c: Likewise.
8043 * demangle.h: Likewise.
8044 * doprint.c: Likewise.
8045 * dyn-string.c: Likewise.
8046 * eh-common.h: Likewise.
8047 * fix-header.c: Likewise.
8048 * frame.c: Likewise.
8051 * gen-protos.c: Likewise.
8052 * gencheck.c: Likewise.
8053 * halfpic.h: Likewise.
8055 * machmode.h: Likewise.
8056 * mbchar.c: Likewise.
8057 * prefix.c: Likewise.
8058 * protoize.c: Likewise.
8059 * recog.h: Likewise.
8061 * scan-decls.c: Likewise.
8063 * varray.h: Likewise.
8065 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
8067 * i386.md (call_value_pop): If we're not popping anything,
8068 defer to call_value.
8069 (call_pop): Likewise defer to call.
8071 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
8073 * function.c (purge_addressof): Clear purge_addressof_replacements
8074 only after processing the whole function.
8076 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
8078 * reload1.c (reload): If we can not perform a particular elimination
8079 when we thought we could earlier, then we must always iterate through
8080 the loop at least one more time.
8082 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
8084 * alpha.c (add_operand): Simplify the CONST_INT match.
8085 (sext_add_operand): Correct typo in comparison by using
8086 CONST_OK_FOR_LETTER_P.
8087 * alpha.md (s?addq): Use sext_add_operand to allow the negative
8088 constant alternatives to be generated.
8089 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
8090 small constants, since the hw instructions do.
8092 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8094 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
8095 previous insn to store directly into our reload register, make sure
8096 that if the source of the previous insn is a reload register, its
8097 spill_reg_store and spill_reg_stored_to values are cleared.
8099 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@gnu.org>
8101 * rs6000.md (floatunssidf2_internal splitter): Use base register
8102 operand, not hard-coded SP.
8104 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8106 * jump.c (calculate_can_reach_end): Fix thinko.
8108 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
8110 * reorg.c (fill_simple_delay_slots): Fix typo.
8112 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
8114 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
8116 * i386.md (extendsidi2): Use # in the output template.
8117 (extendsidi splitters): New splitters.
8119 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
8121 * configure.in: Use unknown-elf.h as tm_file for arm-elf
8123 * configure: Regenerate.
8125 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8127 * jump.c (init_label_info, delete_barrier_successors,
8128 mark_all_labels, delete_unreferenced_labels,
8129 delete_noop_moves, calculate_can_reach_end): New functions broken
8130 out of jump_optimize.
8131 (jump_optimize): Use them.
8133 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
8135 * except.c (expand_fixup_region_end): Make sure outer context labels
8136 are not issued in an inner context during cleanups.
8138 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
8140 * alpha.md (addsi3, subsi3): No new temporaries once cse is
8143 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
8145 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
8146 to expose this midpoint to CSE.
8148 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8150 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
8152 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8154 * configure.in: Bring over gcc2 change of Nov 19 1997.
8156 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
8158 * toplev.c (output_lang_identify): Make definition dependent on
8159 ASM_IDENTIFY_LANGUAGE.
8161 * print-rtl.c (spaces): Make static.
8163 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
8165 * extend.texi: Clarify proper uses for register clobbers in asms.
8167 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8169 * recog.h (enum op_type): Define.
8170 (constrain_operands): Adjust prototype.
8171 (recog_op_type): Declare new variable.
8172 * recog.c (recog_op_type): New variable.
8173 (insn_invalid_p): Allow modifying an asm statement after reload.
8174 (extract_insn): Set up recog_op_type.
8175 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
8176 Don't compute operand types, use recog_op_type.
8177 Use the information computed by extract_insn instead of the previous
8178 method of finding it by insn code number.
8179 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
8180 * reorg.c (fill_slots_from_thread): Likewise.
8181 * reload1.c (reload_as_needed): Likewise.
8182 (gen_reload): Likewise.
8183 (inc_for_reload): Likewise.
8184 (reload_cse_simplify_operands): Likewise.
8185 Use the information computed by extract_insn instead of the previous
8186 method of finding it by insn code number.
8187 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
8189 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
8190 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
8191 Use the information computed by extract_insn instead of the previous
8192 method of finding it by insn code number.
8193 * regmove.c (find_matches): Likewise. Change meaning of the return
8194 value to be nonzero if the optimization can be performed, zero if
8195 not. All callers changed.
8196 Shorten some variable names to fix formatting problems.
8197 (regmove_optimize): Shorten some variable names to fix formatting
8199 Use the information computed by extract_insn instead of the previous
8200 method of finding it by insn code number.
8201 * regclass.c (scan_one_insn): Likewise.
8202 (record_reg_classes): Don't compute operand types, use recog_op_type.
8203 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
8204 recog_constraints instead.
8206 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
8208 * rtl.h (flow2_completed): Declare.
8209 * flow.c (flow2_completed): Definition.
8210 * toplev.c (rest_of_compilation): Set and clear flow2_completed
8213 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
8215 * Makefile.in (libcpp.a): Ranlib libcpp.a.
8217 * cppulp.c (user_label_prefix): Initialize.
8219 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
8221 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
8222 at a RETURN if current_function_sp_is_unchanging is set.
8224 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8226 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
8228 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
8230 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
8231 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
8232 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
8233 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
8234 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
8235 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
8237 (LIB_SPEC): Handle -mno-cygwin option.
8238 (LINK_SPEC): Handle -mdll.
8240 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8242 * reload.c (find_reloads): Fix test for usage by other reload
8243 to handle secondary reloads properly.
8245 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8247 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
8248 intermediate structure which has exactly the members provided by
8249 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
8250 static intermediate structure.
8252 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
8253 from the intermediate structure. Do the same analogous fix in
8254 the case where ELIMINABLE_REGS is not defined.
8256 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
8258 * pa.h (SELECT_SECTION): Fix thinko.
8260 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
8262 * dwarf2out.c (output_call_frame_info): Comments on last change.
8264 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
8266 * arm.c (add_constant): When taking the address of an item in the
8267 pool, get the mode of the item addressed.
8269 * arm.c (final_prescan_insn case INSN): If an insn doesn't
8270 contain a SET or a PARALLEL, don't consider it for conditional
8273 Restore ABI compatibility for NetBSD.
8274 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
8276 (RETURN_IN_MEMORY): Likewise.
8278 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
8280 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
8281 (m32r_output_block_move): Rewrite bytes < 4 handling.
8283 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8285 * configure.in: Call AC_FUNC_VFORK.
8287 * collect2.c: Define VFORK_STRING as a printable string for
8288 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
8289 defined, include vfork.h. If VMS is defined, define vfork()
8290 appropriately. Remove vfork check on USG, we're using autoconf.
8291 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
8292 checking locally what string to pass.
8293 (scan_prog_file): Likewise.
8294 (scan_libraries): Likewise.
8296 * gcc.c: Remove vfork check on USG, we're using autoconf.
8297 Besides, no calls to vfork/fork occur in this file.
8299 * protoize.c: Likewise.
8301 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8303 * configure.in (DEFAULT_LINKER): Renamed from LD.
8304 (DEFAULT_ASSEMBLER): Renamed from AS; reverted Schwab's patch.
8305 (gcc_cv_as): Try $DEFAULT_ASSEMBLER before $AS.
8306 * configure: Rebuilt.
8308 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8310 * BUGS: Fix the regexp for `more' to find the appropriate node.
8311 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
8313 * BUGS: Added link to the WWW FAQ.
8315 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
8317 * version.c: Bump for snapshot.
8319 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
8321 * From Christian Gafton:
8322 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
8323 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
8324 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
8326 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
8328 * c-common.c (c_get_alias_set): Allow all type-punning through
8329 unions. Don't get confused about the type of a bit-field, despite
8330 the antics of build_modify_expr.
8332 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
8334 * fixinc.sco: Parameterize #include_next values.
8335 * fixinc/fixinc.sco: Likewise.
8337 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
8339 * toplev.c (rest_of_compilation): No longer set reload_completed.
8340 * reload1.c (reload): Set it here. Perform instruction splitting
8341 after reload has completed if we will be running the scheduler
8344 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
8346 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
8347 EH region if exceptions are enabled and we're performing cross
8349 (find_cross_jump): Exit loop if the insns are in different EH regions.
8351 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
8353 * dwarf2out.c (output_call_frame_info): Use
8354 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
8356 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8358 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
8359 * c-common.c (check_format_info): Don't check for the 'x'
8360 format character twice, instead check for 'x' and 'X'
8362 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
8364 * configure.in (assembler features): Also make gas is configured if
8365 we find it in the source tree.
8367 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
8369 * i386.c (i386_comp_type_attributes): Compare whether the
8370 attributes are defined, not their tree nodes.
8372 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8374 * configure.in (gxx_include_dir): Bitten by autoconf quoting
8376 * configure: Rebuilt.
8378 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8380 * configure.in: Ignore non-absolute value in $AS.
8382 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
8384 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
8386 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
8388 * configure.in (msdosdjgpp): Set exeext and target_alias.
8390 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8392 * flow.c (XNMALLOC): New macro.
8393 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
8395 (add_edge, add_edge_to_label): New static functions.
8396 (free_bb_memory): New function.
8397 (flow_delete_insn): Delete function.
8398 (basic_block_drops_in): Delete variable.
8399 (find_basic_blocks): Allocate and initialize basic_block_head,
8400 basic_block_succ. Don't allocate basic_block_drops_in.
8401 Call free_bb_memory at the beginning.
8402 (find_basic_blocks_1): Don't do multiple passes.
8403 Delete code to compute basic_block_drops_in.
8404 After calling make_edges, mark blocks reached by current block live.
8405 Update test for unreachable live blocks.
8406 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
8408 Simplify to call add_edge_to_label when a LABEL_REF is found.
8409 (make_edges): Simplify to call add_edge_to_label instead of
8410 mark_label_ref most of the time.
8411 Compute here whether control drops into the next block.
8412 (delete_unreachable_blocks): Return void. All callers changed.
8413 Delete unreachable blocks in reverse order.
8414 After deleting all unreachable blocks, renumber the remaining ones
8415 and update n_basic_blocks.
8416 (delete_block): Speed up deletion a bit.
8417 Don't set basic_block_drops_in for deleted blocks.
8418 (free_basic_block_vars): Don't free basic_block_drops_in.
8419 (life_analysis_1): Update to use new edge representation.
8420 (dump_flow_info): Delete code to print basic block info; call
8421 dump_bb_data instead.
8422 (compute_preds_succs): Delete code to recompute basic_block_drops_in
8423 and uid_block_number.
8424 Simply copy the previously computed cfg.
8425 (dump_bb_data): New arg LIVE_INFO. All callers changed.
8426 Print register lifetime information if LIVE_INFO is nonzero.
8427 * basic-block.h (dump_bb_data): Adjust prototype.
8428 * gcse.c (gcse_main): Update call to dump_bb_data.
8429 * rtl.h (free_bb_memory): Declare.
8430 * toplev.c (rest_of_compilation): Call free_bb_memory.
8432 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
8433 (update_eliminable_offsets): Don't compute it.
8434 (set_initial_elim_offsets): Don't initialize it.
8435 Break out some code into set_initial_label_offsets so the rest of
8436 this function can be called from reload_as_needed.
8437 Assume that INITIAL_FRAME_POINTER_OFFSET is defined when
8438 ELIMINABLE_REGS isn't.
8439 (set_initial_label_offsets): New function, broken out of
8440 set_initial_elim_offsets.
8441 (set_offsets_for_label): New function, broken out of set_label_offsets
8442 and reload_as_needed.
8443 (reload): Call the two new functions.
8444 (reload_as_needed): Call set_initial_elim_offsets instead of
8445 duplicating the code. Likewise for set_offsets_for_label.
8447 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
8448 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
8449 any hard reg, reg_reloaded_dead contains valid data.
8451 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
8453 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
8454 "stdcall" and "cdecl" attributes.
8456 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
8458 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
8459 handle deleted no-op moves of hard registers.
8460 * haifa-sched.c (update_flow_info): Likewise.
8462 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
8464 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
8465 of the sequences to reload the HILO register which do not actually
8468 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
8470 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
8472 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
8474 * except.c (emit_eh_context): Make the EH context register stay alive
8475 at -O0 so stupid.c doesn't get confused.
8477 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8479 * emit-rtl.c (try_split): Do not try to split a BARRIER.
8481 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
8482 Jeffrey A Law (law@cygnus.com)
8484 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM.
8485 (zero_extendsidi2): Use # in output template and handle completely by
8487 (zero_extend splitters): New define_splits.
8488 (ashiftrt_32): New pattern.
8490 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
8492 * tree.c (append_random_chars): New fn.
8493 (get_file_function_name_long): Use it.
8495 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
8497 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
8498 (LIBCPP_OBJS): New. Add cppulp.o.
8499 (cppmain, fix-header): Depend on and use libcpp.a.
8500 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
8501 of the individual object files.
8502 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
8505 * cccp.c (user_label_prefix): New.
8506 (main): Set it off -f*leading-underscore.
8507 (special_symbol): Use it.
8508 * cpplib.c (special_symbol): Likewise.
8509 (cpp_handle_option): Handle -f*leading-underscore.
8510 * cppulp.c: New file.
8512 * output.h (user_label_prefix): Declare it.
8513 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
8514 * toplev.c (f_options, main): Handle -f*leading-underscore.
8516 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
8517 referencing USER_LABEL_PREFIX directly.
8518 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
8519 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
8520 * final.c (asm_fprintf): Use user_label_prefix instead.
8521 * arm/thumb.c (thumb_print_operand): Likewise.
8523 * gcc.c (default_compilers): Pass -f*leading-underscore on to
8524 cpp wherever appropriate.
8526 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
8528 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
8529 specific compiler switches.
8531 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
8533 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
8536 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8538 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
8539 structure which has exactly the members provided by EXTRA_SPECS.
8540 Xmalloc() the real `extra_specs', and initialize it from this
8541 intermediate structure.
8543 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
8545 * mips.h (EXTRA_SPECS): Likewise.
8547 * sparc.h (EXTRA_SPECS): Likewise.
8549 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8551 * function.c (purge_addressof_1): Instead of aborting when a
8552 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
8553 work just put the ADDRESSOF on stack. Otherwise remember all such
8554 successful replacements, so that exactly the same replacements
8555 can be made on the REG_NOTEs. Remove the special case for CALL
8557 (purge_addressof_replacements): New variable.
8558 (purge_addressof): Clear it at end.
8560 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
8562 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
8563 (lang_init): Call check_newline always.
8564 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
8565 cpp_start_read, set yy_cur and yy_lim to read from
8566 parse_in.token_buffer, so that we'll see the first #line
8568 * cpplib.c (cpp_start_read): finclude the main input file
8569 before processing -include/-imacros. Process -imacros and
8570 -include separately, and handle -include by stacking a
8571 buffer for the file in question as if it'd been #included.
8572 * toplev.c (documented_lang_options) Recognize -H when
8575 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
8577 * cpplib.c: Merge do_once into do_pragma. Break file handling
8578 code out of do_include.
8579 Move append_include_chain, deps_output,
8580 file_cleanup, redundant_include_p, import_hash,
8581 lookup_import, add_import, read_filename_string, read_name_map,
8582 open_include_file, finclude, safe_read to cppfiles.c.
8583 Move prototypes for deps_output, append_include_chain,
8584 finclude to cpplib.h. Move definition of struct
8585 file_name_list there also.
8587 * cppfiles.c: New file. Contains all the above functions
8588 broken out of cpplib.c; also hack_vms_include_specification
8589 from cccp.c and find_include_file, a new function broken out of
8592 * Makefile.in (cppmain): Depend on cppfiles.o.
8593 (fix-header): Likewise.
8594 (cppfiles.o): New target.
8595 * configure.in (--enable-c-cpplib): Add cppfiles.o to
8596 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
8598 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
8600 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
8601 if pending_types is non-zero.
8602 (dwarfout_finish): Verify pending_types is zero before finishing.
8604 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
8606 * expr.c (convert_move): Use shifts to perform the move if a
8607 suitable extend pattern cannot be found. Code written by
8608 Richard Henderson <rth@cygnus.com>.
8610 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8612 * regclass.c (renumber, regno_allocated): New static variables, moved
8613 out of allocate_reg_info.
8614 (allocate_reg_info): Move these two variables outside the function.
8615 Move code to free memory into new function free_reg_info.
8616 (free_reg_info): New function, broken out of allocate_reg_info.
8617 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
8618 * rtl.h (allocate_reg_info): Don't declare.
8619 (free_reg_info): Declare.
8621 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
8623 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
8625 * toplev.c (compile_file): Temporarily revert last change.
8627 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
8629 * c-typeck.c (convert_for_assignment): Parenthesize.
8631 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8633 * reload1.c (delete_output_reload): Avoid ambigous else.
8635 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
8637 * toplev.c (compile_file): Call allocate_reg_info to free register
8639 * rtl.h (allocate_reg_info): Declare.
8641 * PROJECTS: Remove entry for local spilling.
8643 * final.c (cleanup_subreg_operands): New function.
8644 (final_scan_insn): Use it.
8645 (alter_subreg): Clear the "used" field when we turn a SUBREG into
8647 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
8648 operands when reload has finished.
8649 * reload.h (cleanup_subreg_operands): Declare..
8650 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
8651 reload. Handled in reload itself.
8653 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8655 * reload1.c (verify_initial_offsets): New function.
8656 (reload): Call it after reload_as_needed. Also verify that the frame
8657 size stays constant during reload_as_needed.
8658 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
8660 * reload.h (struct insn_chain): Add need_operand_change element.
8661 * reload1.c (new_insn_chain): Clear it.
8662 (calculate_needs_all_insns): Set it; don't overload need_reload.
8663 (reload_as_needed): Use it.
8665 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
8666 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
8667 and reload_address_index_reg_class.
8668 (find_reloads_address_1): Likewise.
8669 * reload.h (reload_address_base_reg_class,
8670 reload_address_index_reg_class): Don't declare.
8671 * reload1.c (reg_old_renumber, pseudo_previous_regs,
8672 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
8673 (used_spill_regs): Now static.
8674 (reload_address_base_reg_class, reload_address_index_reg_class,
8675 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
8676 basic_block_needs, max_needs, group_size, group_mode, max_groups,
8677 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
8680 (init_reload): Delete code to compute base/index reg classes.
8681 (reload): Delete variable J.
8682 Delete code to manage basic_block_needs.
8683 Don't compute regs_explicitly_used.
8684 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
8685 pseudo_previous_regs.
8686 Initialize bad_spill_regs_global.
8687 Don't call order_regs_for_reload here.
8688 Don't initialize spill_reg_order and n_spills.
8689 Don't forbid explicitly used regs to be used for spill regs.
8690 Change main loop to infinite loop, with explicit break statements.
8691 Make SOMETHING_CHANGED variable local to that loop.
8692 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
8693 max_groups_insn, max_nongroups_insn, group_size, group_mode.
8694 Make sure spilled_pseudos is cleared before calling spill_hard_reg or
8696 Don't call dump_needs.
8697 Delete code to reset potential_reload_regs.
8698 Delete code to terminate loop conditional on the global needs variables
8699 showing no further needs.
8700 (calculate_needs_all_insns): Return void. All callers changed.
8701 Initialize something_needs_elimination here, not in reload.
8702 Delete avoid_return_reg kludge.
8703 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
8704 All callers changed.
8705 Initialize the group_mode and group_size elements of the arg CHAIN.
8706 Delete code to manage basic_block_needs.
8707 Operate on elements of CHAIN instead of global variables.
8708 Delete avoid_return_reg kludge.
8709 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
8710 All callers changed.
8711 Operate on elements of CHAIN instead of global variables.
8712 Delete special SMALL_REGISTER_CLASSES code.
8713 Delete spill_failure code; now in new_spill_reg.
8714 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
8715 All callers changed.
8716 Operate on elements of CHAIN instead of global variables.
8717 (maybe_mark_pseudo_spilled): New static function.
8718 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
8719 All callers changed.
8720 Operate on elements of CHAIN instead of global variables.
8721 Call order_regs_for_reload here, not in reload.
8722 Initialize spill_reg_order and n_spills.
8723 Simplify test whether an asm insn is involved.
8724 Delete spill_failure code; now in new_spill_reg.
8725 Call maybe_mark_pseudo_spilled for everything marked as live in
8726 CHAIN. Merge CHAIN's used_spill_regs into the global variable
8728 (dump_needs): Take CHAIN arg. No longer static, to prevent the
8729 compiler from optimizing this function (now unused) away.
8730 Operate on elements of CHAIN instead of global variables.
8731 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
8733 Operate on elements of CHAIN instead of global variables.
8734 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
8735 take CHAIN arg. All callers changed.
8736 Operate on elements of CHAIN instead of global variables.
8737 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
8738 CHAIN, NONGROUP args. Return void. All callers changed.
8739 Verify caller isn't trying to spill a pseudo.
8740 Simplify test for illegal reg, just use bad_spill_regs.
8741 Generate better error messages.
8742 Operate on elements of CHAIN instead of global variables.
8743 Mark spilled register in CHAIN's used_spill_regs element.
8744 Don't call spill_hard_reg.
8745 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
8746 Mark spilled hard regs in bad_spill_regs_global.
8747 Mark affected pseudos in spilled_pseudos, but don't spill them.
8748 (ior_hard_reg_set): New static function.
8749 (finish_spills): Return int. All callers changed.
8750 Compute spill_reg_order, n_spills and spill_regs here. Also update
8751 regs_ever_live for regs used as spills.
8752 For every pseudo in spilled_pseudos, spill it and mark the previous
8753 hard reg it had in pseudo_previous_regs. Compute which hard regs
8754 are used as spills in insns during which it is live, and retry global
8755 register allocation. Update all life information in the
8756 reload_insn_chain not to include pseudos without hard regs.
8757 Call alter_reg for all affected speudos.
8759 (scan_paradoxical_subregs): Disable SMALL_REGISTER_CLASSES special
8760 case, it's not clear what it's supposed to do.
8762 (hard_reg_use_compare): Take bad_spill_regs into account.
8763 (pseudos_counted): New static variable.
8764 (count_pseudo): New static function.
8765 (order_regs_for_reload): Take CHAIN arg. All callers changed.
8766 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
8767 hard registers explicitly used across the current insn into the set.
8768 Compute hard_reg_n_uses taking only pseudos live across this insn
8770 Tweak sorting of potential_reload_regs.
8771 (compare_spill_regs): Delete function.
8772 (reload_as_needed): Don't sort the spill_regs array, it's computed
8773 in proper order in finish_spills.
8774 Delete avoid_return_reg kludge.
8775 Delete code to manage basic_block_needs.
8776 (allocate_reload_reg): Minor speed/readability tweaks.
8777 Operate on elements of CHAIN instead of global variables.
8778 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
8779 Delete avoid_return_reg kludge.
8780 Initialize reload_reg_used from CHAIN's used_spill_regs element.
8781 Delete unused label FAIL.
8782 (reload_combine): Replace reload_address_index_reg_class with
8784 Don't use used_spill_regs to determine information about lifetime of
8787 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
8789 * toplev.c (display_help): Ignore empty target specific
8790 options, and if -W is also specified on the command line then
8791 display undocumented options.
8793 * config/arm/arm.c: Updated with changes in devo sources.
8794 * config/arm/arm.h: Updated with changes in devo sources.
8795 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
8796 * config/arm/lib1thumb.asm: Add ELF support.
8798 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@gnu.org>
8800 * collect2.c (aix64_flag): New variable.
8801 (main, case 'b'): Parse it.
8802 (GCC_CHECK_HDR): Object magic number must match mode.
8803 (scan_prog_file): Only check for shared object if valid header.
8804 Print debugging if header/mode mismatch.
8806 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
8808 Added support for arm-elf-linux configuration, submitted by Philip
8809 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
8810 code developed by Catherine Moore <clm@cygnus.com>. The following
8813 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
8816 * configure: Regenerated.
8818 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
8819 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
8820 definitions conditional on their not having been already defined.
8822 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
8823 and .type directives, and add "(PLT)" qualification to function
8826 * config/arm/linux.h: Deleted. This file is now superseded by
8827 either linux-elf.h or linux-aout.h.
8829 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
8830 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
8832 Move definitions from old linux.h file here.
8834 * config/arm/elf.h: New file. Generic ARM/ELF support.
8836 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
8838 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
8840 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
8841 using the 26bit APCS.
8843 * config/arm/unknown-elf.h: New file. Support for OS'es other
8844 than Linux with ELF.
8846 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
8849 * config/arm/coff.h: Include aout.h for basic assembler macros.
8850 Add support for -mstructure_size_boundary=<n> command line option.
8852 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
8853 command line option. Make macro definitions conditional on their
8854 not having been already defined.
8856 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
8857 command line option.
8860 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
8862 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
8863 has been changed to not include a newline. Use this macro instead.
8864 (output_enumeral_list, const_value_attribute, name_attribute,
8865 comp_dir_attribute, prototyped_attribute, producer_attribute,
8866 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
8867 dwarfout_file_scope_decl, generate_new_sfname_entry,
8868 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
8869 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
8871 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
8873 * combine.c (subst): Process the inputs to a parallel asm_operands
8876 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
8878 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
8880 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
8882 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
8884 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
8886 * version.c: Bump for snapshot.
8888 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
8890 * stmt.c (expand_fixup): Set fixup->before_jump to a
8891 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
8893 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8895 * Makefile.in (recog.o): Depend on toplev.h.
8896 (insn-emit.o): Depend on recog.h.
8897 (insn-peep.o): Depend on recog.h and insn-config.h.
8899 * combine.c (simplify_set): Remove unused variable `scratches'.
8901 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
8902 and `idx' in macro conditional controlling their use.
8904 * genemit.c (main): Make the generated output file include
8905 recog.h. Don't have it declare `insn_operand_constraint', since
8906 we get it from recog.h.
8908 * genpeep.c (main): Make the generated output file include
8909 insn-config.h and recog.h.
8911 * recog.c: Include toplev.h.
8912 (extract_insn): Remove unused variable `p'.
8914 * regclass.c (fix_register): Add missing braces around initializer
8916 (allocate_reg_info): Move variable `i' into the scope where it is
8917 used. Change its type to `size_t'.
8919 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8921 * reload.c (push_reload): When merging reloads, make sure
8922 that reload_in_reg and reload_in are from the same reload in
8925 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
8927 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
8928 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
8930 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@gnu.org>
8932 * loop.c (loop_has_tablejump): New variable.
8933 (prescan_loop): Scan for it.
8934 (insert_bct): Replace explicit scan with use of it.
8935 * regclass.c (regclass): Restore loop variable j.
8936 (record_reg_classes): Deterine op_types modifiers and initialize
8937 classes[i] before matching constraints. Handle matching
8940 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
8942 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
8945 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8947 * mips.h (EXTRA_SPECS): Add missing initializers.
8949 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8951 * sparc.h (EXTRA_SPECS): Add missing initializers.
8952 (sparc_defer_case_vector): Provide a prototype.
8954 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
8955 comparing it to the result of a pointer subtraction.
8957 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8959 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
8960 the argument to (unsigned char).
8962 * alpha.h (EXTRA_SPECS): Add missing initializers.
8963 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
8966 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
8968 * flow.c (life_analysis_1): Enable "rescan" code after reload.
8969 (propagate_block): Delete dead code after reload.
8971 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
8972 back Oct 15, 1998 change.
8973 * haifa-sched.c (update_flow_info): Likewise.
8974 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
8976 * mn10200.md (truncated shift): Accept constant inputs too.
8978 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
8980 * machmode.h (mode_mask_array): No longer const.
8981 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
8983 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8985 * frame.c: Somewhat explain `FDE'.
8986 Suggested by Brendan Kehoe
8988 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
8990 * expr.c (pending_chain): Move up.
8991 (save_expr_status): Do save pending_chain.
8992 (restore_expr_status): And restore it.
8993 * function.h (struct function): Add pending_chain.
8995 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8997 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
8998 did not match the code.
9000 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9002 * regclass.c (regclass): Break out some code into new function
9003 scan_one_insn, and into regclass_init.
9004 (init_cost): New static variable, moved out of regclass.
9005 (regclass_init): Initialize it here, not in .
9006 (scan_one_insn): New static function, broken out of regclass.
9007 * recog.c (apply_change_group): Break out some code into new
9008 function insn_invalid_p.
9009 (insn_invalid_p): New static fn, broken out of apply_change_group.
9011 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
9013 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
9014 reg_reloaded_contents matches incremented pseudo.
9016 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
9018 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9020 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
9021 addressing modes with side effects. These are currently
9022 placeholders for the C4x target.
9024 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9026 * loop.c (express_from): Make sure that when generating a PLUS of
9027 a PLUS, any constant expression appears on the outermost PLUS.
9029 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
9031 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
9032 works if "$(srcdir)" != ".".
9034 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
9036 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
9037 existing SUBREG if we can, otherwise abort.
9039 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
9041 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
9042 `restrict' is applied to a non-pointer variable.
9044 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
9046 * invoke.texi: Document -flang-isoc9x.
9048 * Makefile.in (OBJS): Add splay-tree.o.
9049 (c-common.o): Depend on rtl.h.
9050 (splay-tree.o): List dependencies and provide build rule.
9052 * rtl.h (record_alias_subset): New function.
9053 * alias.c: Include splay-tree.h.
9054 (alias_set_entry): New type.
9055 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
9056 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
9057 (mems_in_disjoin_alias_sets_p): New function.
9058 (alias_set_compare): Likewise.
9059 (insert_subset_children): Likewise.
9060 (get_alias_set_entry): Likewise.
9062 * tree.h (TYPE_RESTRICT): New macro.
9063 (TYPE_UNQUALIFIED): New manifest constant.
9064 (TYPE_QUAL_CONST): Likewise.
9065 (TYPE_QUAL_VOLATILE): Likewise.
9066 (TYPE_QUAL_RESTRICT): Likewise.
9067 (tree_type): Add restrict_flag. Reduce count of free bits.
9068 (DECL_POINTER_ALIAS_SET): New macro.
9069 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
9070 (tree_decl): Add pointer_alias_set.
9071 (build_qualified_type): New function.
9072 (build_type_variant): Define in terms of build_qualified_type.
9073 * tree.c (set_type_quals): New function.
9074 (make_node): Initialize DECL_POINTER_ALIAS_SET.
9075 (build_type_attribute_variant): Use build_qualified_type and
9077 (build_type_variant): Rename, and modify, to become...
9078 (build_qualified_type): New function.
9079 (build_complex_type): Use set_type_quals.
9081 * c-tree.h (C_TYPE_OBJECT_P): New macro.
9082 (C_TYPE_FUNCTION_P): Likewise.
9083 (C_TYPE_INCOMPLETE_P): Likewise.
9084 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
9085 (c_apply_type_quals_to_decl): New function.
9086 (c_build_qualified_type): New function.
9087 (c_build_type_variant): Define in terms of c_build_qualified_type.
9088 (flag_isoc9x): Declare.
9089 * c-typeck.c (qualify_type): Use c_build_qualified_type.
9090 (common_type): Change to use TYPE_QUALS.
9091 (comptypes): Likewise.
9092 (convert_for_assignment): Likewise.
9093 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
9094 * c-decl.c (flag_isoc9x): Define.
9095 (c_decode_option): Handle -flang-isoc9x.
9096 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
9097 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
9098 * c-lex.c (init_lex): Deal with restrict.
9099 (init_lex): Don't treat restrict as a reserved word in
9100 -traditional mode, or without -flang-isoc9x.
9101 * c-lex.h (rid): Add RID_RESTRICT.
9102 * c-parse.gperf (restrict, __restrict, __restrict__): Make
9103 equivalent to RID_RESTRICT.
9104 * c-parse.in (TYPE_QUAL): Update comment.
9105 * c-common.c: Include rtl.h.
9106 (c_find_base_decl): New function.
9107 (c_build_type_variant): Rename, and modify, to become ...
9108 (c_build_qualified_type): New function.
9109 (c_apply_type_quals_to_decl): Likewise.
9110 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
9111 a particular alias set for the reference.
9112 * toplev.c (documented_lang_options): Add -flang-isoc9x.
9114 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
9116 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
9117 command line switches.
9119 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
9121 * reload.c (loc_mentioned_in_p): Add missing braces to bind
9124 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
9126 * gcc.c (option_map): Added --classpath and --CLASSPATH.
9128 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
9130 * regclass.c (fix_register): Add error message.
9131 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
9134 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9136 * c-decl.c (warn_missing_noreturn): New global variable.
9137 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
9138 (finish_function): Implement missing noreturn warning.
9140 * c-tree.h (warn_missing_noreturn): Declare extern.
9142 * invoke.texi: Document new flags.
9144 * toplev.c (documented_lang_options): Add description.
9146 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9148 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
9149 loop optimization stable for the C4x.
9150 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
9151 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
9152 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superseded by BCT
9154 (c4x_address_conflict): Be more paranoid when packing a volatile
9155 memref in a parallel load/store.
9157 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9159 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
9160 repeat_block_filler): Deleted.
9161 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
9162 Condition code not set if destination register from 'c' class.
9163 (*subbqi3_carry_clobber): Fix typo.
9165 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9167 * reorg.c (steal_delay_list_from_target) Check for insns that
9168 modify the condition codes and effect the direction of the jump
9171 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
9173 * function.c (purge_addressof_1): Replace call to
9174 emit_insns_before() with emit_insn_before().
9176 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
9178 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
9180 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9182 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
9184 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
9186 * gcse.c (compute_hash_table): Correctly identify hard regs which are
9187 clobbered across calls.
9189 * loop.c (scan_loop): Be more selective about what invariants are
9190 moved out of a loop.
9192 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
9194 * version.c: Bump for snapshot.
9196 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
9198 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
9199 static eh_context structure.
9201 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9203 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
9205 (try_combine): Don't update max_scratch.
9206 * flow.c (max_scratch, num_scratch): Delete variables.
9207 (life_analysis_1): Don't initialize max_scratch.
9208 (propagate_block): Don't update max_scratch.
9209 (mark_set_1): Don't increment num_scratch.
9210 * regs.h (max_scratch): Delete declaration.
9212 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
9214 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
9215 is nonzero. This is temporary!
9217 * sched.c (update_flow_info): Handle death notes made invalid by
9218 instruction splitting. Partially reverts Oct 15, 1998 patch.
9219 * haifa-sched.c (update_flow_info): Likewise.
9221 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
9223 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
9224 if it has a nonzero DECL_INITIAL.
9226 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9228 * Makefile.in (flow.o): Depend on recog.h.
9230 * cpplib.h (directive_table): Add missing initializiers.
9231 (finclude): Change type of variable `bsize' to size_t.
9233 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
9235 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
9237 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
9238 `int' when comparing against one.
9239 (cpp_file_line_for_message): Mark parameter `pfile' with
9241 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
9243 * flow.c: Include recog.h.
9244 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
9246 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
9247 `f' with ATTRIBUTE_UNUSED.
9248 (reposition_prologue_and_epilogue_notes): Likewise.
9250 * genopinit.c (gen_insn): Cast argument of ctype functions to
9253 * haifa-sched.c: Include recog.h.
9254 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
9255 comparing against one.
9257 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
9259 * mips-tfile.c (parse_end): Cast the argument of ctype function to
9261 (parse_ent): Likewise.
9262 (parse_input): Likewise.
9264 * optabs.c (init_libfuncs): Likewise.
9266 * protoize.c (find_rightmost_formals_list): Likewise.
9268 * recog.h (const_double_operand): Fix typo in prototype.
9270 * tlink.c (scan_linker_output): Cast the argument of ctype
9271 function to `unsigned char'.
9273 * toplev.c (check_lang_option): Cast the result of `strlen' to
9274 `int' when comparing against one.
9276 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
9278 * gcse.c (dump_cuid_table): Correct typo.
9280 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
9282 * toplev.c (display_help): Prepend '-m' to target specific
9284 (check_lang_option): Ignore text after end of first word of a
9285 language specific option.
9287 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9289 * reload1.c (reg_used_by_pseudo): New static variable.
9290 (choose_reload_regs): Initialize it.
9291 Use it instead of testing spill_reg_order to determine whether a
9292 pseudo is live in a hard register across the current insn.
9293 Fix a typo in a reference to reload_reg_rtx.
9295 * flow.c (propagate_block): Replace code that computes and uses
9296 regs_sometimes_live with simpler code that just walks the set of
9297 currently live registers.
9299 * Makefile.in (insn-extract.o): Fix dependencies.
9300 * genextract.c (main): Generate includes for insn-config.h and
9302 Delete generation of declarations which are now in recog.h.
9303 * genrecog.c (main): Delete generation of definitions which are
9305 * local-alloc.c (block_alloc): Use extract_insn and the variables
9306 it sets up instead of looking up values by insn_code.
9307 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
9308 recog_dup_num): Define here instead of generating the definition in
9310 (recog_n_operands, recog_n_dups, recog_n_alternatives,
9311 recog_operand_mode, recog_constraints, recog_operand_address_p):
9313 (extract_insn): New function.
9314 * recog.h (extract_insn): Declare function.
9315 (which_alternative, recog_n_operands, recog_n_dups,
9316 recog_n_alternatives, recog_operand_mode, recog_constraints,
9317 recog_operand_address_p): Declare variables.
9318 * regclass.c (n_occurrences): New static function.
9319 * reload.c (n_occurrences): Delete function.
9320 (find_reloads): Use extract_insn.
9321 * reload.h (n_occurrences): Delete declaration.
9323 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
9325 * reload1.c (reload_as_needed): Fix test for when to call
9326 update_eliminable_offsets.
9328 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9330 Fix consistency problems with reg_equiv_{mem,address};
9331 Improve reload inheritance;
9333 * reload.c (reload_out_reg): New variable.
9334 (loc_mentioned_in_p, remove_address_replacements): New functions.
9335 (remove_replacements): Deleted.
9336 (push_reload): Set reload_out_reg[i].
9337 When merging, also set reload_{in,out}_reg[i], and remove
9338 duplicate address reloads.
9339 (combine_reloads): Copy reload_out_reg[i].
9340 (find_reloads): Do make_memloc substitution also when
9341 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
9343 Include *recog_operand_loc in commutativity operand changes.
9344 Generate optional output reloads.
9345 Delete reference to n_memlocs. Don't set *recog_operand_loc before
9346 processing operands. Call make_memloc in reg_equiv_address code.
9347 Set *recog_operand_loc only after processing operands, and only
9348 if replace is true. Return a value.
9349 When changing address reload types for operands that didn't get
9350 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
9351 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
9352 Don't emit USEs for pseudo SUBREGs when not replacing.
9353 (find_reloads_address): Do make_memloc substitution also when
9354 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
9356 (find_reloads_toplev): Likewise.
9357 Call make_memloc in reg_equiv_address code.
9358 (debug_reload_to_stream): Add code to output reload_out_reg.
9359 (make_memloc): Delete local variable i, ifdefed out code, and
9360 references to memlocs and n_memlocs.
9361 (memlocs, n_memlocs): Delete.
9362 (push_secondary_reload): Clear reload_out_reg.
9363 (find_reloads_address_1): Provide memrefloc argument to all calls
9364 to find_reloads_address.
9365 In AUTO_INC code, handle non-directly addressable equivalences properly.
9366 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
9367 (find_reloads): Add return type.
9368 (remove_address_replacements, deallocate_reload_reg): Declare.
9369 * reload1.c (num_not_at_initial_offset): No longer static.
9370 (delete_address_reloads, delete_address_reloads_1): Likewise.
9371 (deallocate_reload_reg): New function.
9372 (spill_reg_stored_to): New array.
9373 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
9374 (eliminate_regs_in_insn): Move assignments of previous_offset and
9375 max_offset fields, and recalculation of num_not_at_initial_offset
9376 into new static function:
9377 (update_eliminable_offsets) .
9378 (reload_as_needed): Call update_eliminable_offsets after calling
9380 Call forget_old_reloads_1 with contents of reloaded auto_inc
9381 expressions if the actual addressing can't be changed to match the
9383 (choose_reload_regs): For inheritance, replace
9384 reload_reg_free_before_p test with reload_reg_used_at_all test, and
9385 remove stand-alone reload_reg_used_at_all test.
9386 Use reload_out_reg to determine which reload regs have output reloads.
9387 Treat reload_override_in more similar to inherited reloads.
9388 Handle (subreg (reg... for inheritance.
9389 For flag_expensive_optimizations, add an extra pass to remove
9390 unnecessary reloads from known working inheritance.
9391 Delete obsolete code for pseudos replaced with MEMs.
9392 Handle inheritance from auto_inc expressions.
9393 (emit_reload_insns): If reload_in is a MEM, set OLD to
9395 Don't reload directly from oldequiv; if it's a pseudo with a
9396 stack slot, use reload_in[j].
9397 Check that reload_in_reg[j] is a MEM before replacing reload_in
9398 from reg_reloaded_contents.
9399 Include non-spill registers in reload inheritance processing.
9400 Also try to use reload_out_reg to set spill_reg_store /
9401 reg_last_reload_reg.
9402 In code to set new_spill_reg_store, use single_set to find out if
9403 there is a single set.
9404 Add code that allows to delete optional output reloads.
9405 Add code to allow deletion of output reloads that use no spill reg.
9406 At the end, set reload_override_in to oldequiv.
9407 Also call delete_output_reload if reload_out_reg is equal to old
9409 Add code to call delete_output_reload for stores with no matching load.
9410 Set / use spill_reg_stored_to.
9411 Handle case where secondary output reload uses a temporary, but
9412 actual store isn't found.
9413 When looking for a store of a value not loaded in order to call
9414 delete_output_reload, count_occurrences should return 0 for no
9415 loads; but discount inherited input reloadill_reg_stored_to.
9416 Do checks for extra uses of REG. Changed all
9418 Use delete_address_reloads.
9419 (reload): Take return value of find_reloads into account.
9420 If a no-op set needs more than one reload, delete it.
9421 (reload_reg_free_before_p): RELOAD_FOR_INPUT
9422 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
9423 for the same operand.
9424 (clear_reload_reg_in_use): Check for other reloads that keep a
9426 (reload_reg_free_for_value_p): Handle RELOAD_FOR_OPERAND_ADDRESS /
9427 RELOAD_FOR_OPADDR_ADDR.
9428 Take into account when an address address reload is only needed
9429 for the address reload we are considering.
9430 (count_occurrences): Use rtx_equal_p for MEMs.
9431 (inc_for_reload): Return instruction that stores into RELOADREG.
9432 New argument two, IN, and rtx. Changed all callers.
9433 (calculate_needs_all_insns, reload_as_needed):
9434 Don't clear after_call for a CLOBBER.
9435 Keep track of how many hard registers need to be copied from
9436 after_call, and don't clear after_call before we have seen
9437 that much copies, or we see a different instruction.
9439 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
9441 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
9442 after reload has completed.
9444 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
9446 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
9447 a macro name and the next token with a single blank if that whitespace
9448 is in a macro buffer and the next token is not '('.
9450 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
9452 * cccp.c (rescan): Handle multibyte characters ending in backslash.
9454 (skip_if_group): Likewise.
9455 (skip_to_end_of_comment): Likewise.
9456 (macarg1): Likewise.
9457 (discard_comments): Likewise.
9458 (change_newlines): Likewise.
9460 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
9462 * c-lex.c (yylex): Fix unaligned access of wchar_t.
9464 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
9466 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
9467 (TARGET_OPTIONS): Add --help documentation.
9469 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9471 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
9473 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
9475 * fixinc/* Moved in from ../contrib directory in preparation
9476 for integrating it into the normal build process. In particular,
9477 fixinc/Makefile.in must be config-ed into the build directory
9478 as fixinc/Makefile. Proposed patches to ./Makefile.in and
9479 ./configure.in will be "in the mail" momentarily.
9481 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
9483 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
9484 accidently walk into the free list. Comment how that can happen.
9485 (invalidate): Fix indentation.
9487 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9488 Jeffrey A Law (law@cygnus.com)
9490 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
9491 reload. Never perform rescans of the insn chain after reload.
9492 (propagate_block): Do not delete insn or create new autoinc addressing
9495 * jump.c (jump_optimize): Unconditionally use the code that was
9496 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
9497 * reload1.c (reload): When reloading is finished, delete all
9498 REG_DEAD and REG_UNUSED notes.
9499 (emit_reload_insns): Delete all code that was conditional on
9500 PRESERVE_DEATH_INFO_REGNO_P.
9501 (no_longer_dead_regs): Delete variable.
9502 (reload_cse_delete_death_notes): Delete function.
9503 (reload_cse_no_longer_dead): Delete function.
9504 (reload_cse_regs_1): Delete all code to handle deletion of death
9506 (reload_cse_noop_set_p): Likewise.
9507 (reload_cse_simplify_set): Likewise.
9508 (reload_cse_simplify_operands): Likewise.
9509 (reload_cse_move2add): Likewise.
9510 * reorg.c (used_spill_regs): Delete declaration.
9511 (max_label_num_after_reload): Delete declaration.
9512 (find_dead_or_set_registers): Don't assume that spill regs are
9513 dead at a CODE_LABEL.
9514 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
9516 * sched.c (sched_analyze_insn): Likewise.
9517 (update_flow_info): Likewise.
9518 * haifa-sched.c (sched_analyze_insn): Likewise.
9519 (update_flow_info): Likewise.
9520 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
9521 * toplev.c (max_label_num_after_reload): Delete variable.
9522 (rest_of_compilation): Don't set max_label_num_after_reload.
9523 Call life_analysis after reload_cse_regs if optimizing.
9524 * config/gmicro/gmicro.h: Delete comment referring to
9525 PRESERVE_DEATH_INFO_REGNO_P.
9526 * config/i386/i386.h: Likewise.
9527 * config/m88k/m88k.h: Likewise.
9528 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
9529 * config/sh/sh.h: Likewise.
9531 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@gnu.org>
9533 * loop.c (strength_reduce): Restore marking bct_p as
9535 * rs6000.c (optimization_options): Change #ifdef HAIFA to
9536 HAVE_decrement_and_branch_on_count.
9537 (small_data_operand): Remove TARGET_ELF condition for marking
9538 parameters ATTRIBUTE_UNUSED.
9540 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
9542 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
9543 (SELECT_SECTION): Resync with svr4.h.
9545 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@gnu.org>
9547 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
9550 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
9552 * c-pragma.c (handle_pragma_token): Test for null tree before
9553 dereferencing TREE_CODE.
9555 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9557 * config/c4x/c4x.c: Convert to use GEN_INT.
9558 (c4x_parallel_process): Rework to handle new repeat loop structure.
9560 * config/c4x/c4x.md: Convert to use GEN_INT.
9561 (rptb_end): Convert to use GE test. Replace uses with clobbers.
9562 (decrement_and_branch_on_count): Likewise.
9564 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
9565 loop.c has the desired functionality.
9566 (rc_reg_operand): New prototype.
9568 * config/c4x/t-c4x: Can now build all front ends.
9570 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
9572 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
9574 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
9576 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
9577 * config/t-rtems: Do not install assert.h -- use newlib's.
9579 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9581 * combine.c (combine_instructions): When finished, call init_recog.
9582 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
9584 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
9586 * toplev.c: If flag_syntax_only, don't open or write assembler file.
9588 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9590 * cppalloc.c (memory_full): Mark function prototype with
9593 * demangle.h (collect_exit): Likewise.
9595 * fix-header.c (v_fatal, fatal): Likewise.
9597 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
9600 * gcov.c (print_usage): Likewise.
9602 * genattr.c (fatal, fancy_abort): Likewise.
9604 * genattrtab.c (fatal, fancy_abort): Likewise.
9606 * gencodes.c (fatal, fancy_abort): Likewise.
9608 * genconfig.c (fatal, fancy_abort): Likewise.
9610 * genemit.c (fatal, fancy_abort): Likewise.
9612 * genextract.c (fatal, fancy_abort): Likewise.
9614 * genflags.c (fatal, fancy_abort): Likewise.
9616 * genopinit.c (fatal, fancy_abort): Likewise.
9618 * genoutput.c (fatal, fancy_abort): Likewise.
9620 * genpeep.c (fatal, fancy_abort): Likewise.
9622 * genrecog.c (fatal, fancy_abort): Likewise.
9624 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
9625 __sjpopnthrow, __throw): Likewise.
9627 * objc/objc-act.c (objc_fatal): Likewise.
9629 * protoize.c (usage, aux_info_corrupted,
9630 declare_source_confusing): Likewise.
9632 * rtl.c (dump_and_abort): Likewise.
9634 * rtl.h (sets_cc0_p): Likewise.
9636 * toplev.c (float_signal, pipe_closed): Likewise.
9638 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
9640 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
9641 when generating the decision tree for the general case.
9643 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
9644 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
9646 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9648 * Makefile.in (sched.o): Depend on recog.h.
9650 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
9651 (unsigned) when comparing against one.
9652 (find_base_value): Likewise.
9653 (record_base_value): Cast variable `regno' to (unsigned) when
9654 comparing against one. Cast the result of REGNO() macro to
9655 (unsigned) when comparing against one.
9656 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
9658 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
9659 variable where an unsigned index is needed.
9661 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
9662 before comparing against one.
9664 * collect2.c: Add prototypes for functions `error', `fatal' and
9665 `fatal_perror'. Make these functions take variable arguments
9666 instead of faking it with a fixed number of args.
9667 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
9670 * combine.c (can_combine_p): Mark parameter `pred' with
9672 (find_split_point): Cast variable `src' to (unsigned
9673 HOST_WIDE_INT) when comparing against one.
9674 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
9675 (simplify_logical): Likewise.
9676 (force_to_mode): Cast result of INTVAL() macro to (unsigned
9677 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
9678 HOST_WIDE_INT) in shift.
9679 (simplify_and_const_int): Cast result of INTVAL() macro to
9680 `unsigned HOST_WIDE_INT' when comparing against one.
9681 (merge_outer_ops): Cast variable const0 to `unsigned
9682 HOST_WIDE_INT' when comparing against the result of
9683 GET_MODE_MASK() macro.
9684 (simplify_comparison): Likewise for variable `c0'. Cast variable
9685 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
9686 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
9687 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
9688 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
9689 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
9690 comparing against one.
9691 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
9693 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
9694 macro to `unsigned HOST_WIDE_INT' when comparing against one.
9695 (output_block_move): Cast `sizeof' expression to (int) when
9696 comparing against one.
9697 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
9699 (save_restore_insns): Cast `base_offset' to `long' to match format
9700 specifier in fprintf.
9702 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
9703 to `enum machine_mode'.
9705 * flow.c (life_analysis_1): Remove unused variable `insn'.
9707 * gcc.c (translate_options): Move variables `j' and `k' into the
9708 scope in which they are used. Change their types to `size_t'.
9709 (set_spec): Cast the argument of ctype macro to `unsigned char'.
9710 (read_specs): Likewise.
9711 (process_command): Cast `sizeof' to (int) when comparing against one.
9712 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
9713 (handle_braces): Cast both sides of `==' expression to `long' to
9714 ensure sign matching.
9715 (main): Cast variable `i' to `int' when comparing against one.
9717 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
9718 int to size_t. Cast variable `i' to size_t when comparing against
9721 * genattrtab.c (convert_set_attr_alternative): Remove unused
9722 parameter `insn_code'. All callers changed.
9723 (convert_set_attr): Likewise.
9725 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
9726 size_t when comparing against one. Likewise for variable `len'.
9728 * global.c (global_alloc): Cast variable `max_regno' to size_t
9729 when comparing against one. Likewise for variable `max_allocno'.
9731 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
9733 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
9734 `set' with ATTRIBUTE_UNUSED.
9735 (find_free_reg): Cast `sizeof' expression to (int) when comparing
9738 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
9739 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
9740 (get_condition): Cast variable `const_val' to `unsigned
9741 HOST_WIDE_INT' when comparing against one. Cast unsigned
9742 expression to HOST_WIDE_INT when comparing against one.
9743 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
9744 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
9745 `unsigned' when comparing against one.
9747 * protoize.c (is_id_char): Change type of parameter `ch' to
9749 (munge_compile_params): Cast argument of ctype macro to (const
9751 (process_aux_info_file): Cast variable `aux_info_size' to int when
9752 comparing against one.
9753 (forward_to_next_token_char): Cast argument of ctype macro to
9754 `const unsigned char'.
9755 (edit_formals_lists): Likewise.
9756 (find_rightmost_formals_list): Likewise.
9757 (add_local_decl): Likewise.
9758 (add_global_decls): Likewise.
9759 (edit_fn_definition): Likewise.
9760 (do_cleaning): Likewise.
9761 (scan_for_missed_items): Likewise.
9762 (edit_file): Cast variable `orig_size' to (int) when comparing
9764 (main): Cast argument of ctype macro to `const unsigned char'.
9766 * recog.c (const_int_operand): Mark parameter `mode' with
9769 * regclass.c (record_reg_classes): Change type of variable `c' to
9770 `unsigned char'. Cast `char' array index to `unsigned char'.
9772 * reload.c (push_secondary_reload): Cast argument to
9773 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
9775 * reload1.c (calculate_needs): Cast `char' array index to
9777 (set_label_offsets): Change type of variable `i' to unsigned int.
9778 Cast result of XVECLEN() macro to unsigned when comparing against
9780 (mark_not_eliminable): Change type of variable `i' to unsigned.
9781 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
9782 when comparing against one.
9783 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
9784 comparing against one.
9785 (choose_reload_regs): Hide unused label `fail'.
9786 (reload_cse_simplify_operands): Cast `char' array index to
9788 (reload_combine_note_store): Mark parameter `set' with
9789 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
9791 (reload_cse_move2add): Remove unused variable `src2'.
9793 * sched.c: Include recog.h.
9794 (sched_note_set): Remove unused parameter `b'. All callers
9796 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
9797 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
9798 when comparing against one.
9800 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
9801 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
9802 comparing against one.
9804 * unroll.c (precondition_loop_p): Remove unused parameter
9805 `loop_end'. All callers changed.
9807 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9809 * reload1.c (maybe_fix_stack_asms): New static function.
9812 * reload.h (compute_use_by_pseudos): Declare.
9814 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
9815 (something_needs_reloads): Delete variable.
9816 (finish_spills): New function.
9817 (compute_use_by_pseudos): New function.
9819 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
9820 Use the reload_insn_chain instead of walking the rtl directly.
9822 (reload): Allocate and free spilled_pseudos.
9823 Ensure that all calls of spill_hard_reg are followed by a call to
9825 Use the insns_need_reload list instead of something_needs_reloads
9826 to find out if reload_as_needed must be called.
9827 Clear unused_insn_chains at the end.
9829 (calculate_needs_all_insns): Lose FIRST parameter. All callers
9831 Delete code to keep track of current basic block.
9832 Walk reload_insn_chain instead of the rtl structure. Build the
9833 insns_need_reload chain.
9834 Remember which insns need reloading/elimination by setting the
9835 appropriate fields in struct insn_chain, not by putting modes on the
9838 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
9839 arg INSN. All callers changed.
9840 Delete declaration of struct needs.
9841 Don't set something_needs_reloads.
9842 Record insn needs in the CHAIN argument.
9844 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
9846 (reload_as_needed): Lose FIRST arg. All callers changed.
9847 Walk the reload_insn_chain instead of the rtx structure.
9848 Delete code to keep track of current basic block.
9849 Rename one of the NEXT variables to OLD_NEXT.
9851 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
9853 (choose_reload_regs): Likewise.
9855 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
9858 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
9859 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
9860 (hard_regs_live, hard_regs_need_restore): Delete variables.
9861 (n_regs_saved): Now static.
9862 (referenced_regs, this_insn_sets): New variables.
9864 (setup_save_areas): Restructure the code a bit.
9866 (restore_referenced_regs): Delete function.
9867 (mark_referenced_regs): New function, similar to the old
9868 restore_referenced_regs, but mark registers in referenced_regs.
9870 (clear_reg_live): Delete function.
9871 (mark_set_regs): Renamed from set_reg_live. All callers changed.
9872 Only mark registers in this_insn_sets.
9874 (save_call_clobbered_regs): Rework this function to walk the
9875 reload_insn_chain instead of using the list of instructions directly.
9876 Delete code to keep track of register lives, compute live regs on the
9877 fly from information in the chain.
9878 Instead of calling restore_referenced_regs, use mark_referenced_regs,
9879 then walk the set it computes and call insert_restore as appropriate.
9881 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
9883 Restructure the code a bit. Test hard_regs_saved instead of
9884 hard_regs_need_restore.
9885 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
9886 args. All callers changed.
9887 Restructure the code a bit. Use TO_SAVE to determine which regs to
9888 save instead of more complicated test.
9889 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
9891 Create a new insn_chain structure for the new insn and place it
9894 * rtl.texi: Update documentation to reflect that reload no longer
9895 puts modes on the insns.
9897 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
9899 * function.c (purge_addressof_1): Force the first argument of a
9900 CALL insn to memory.
9902 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
9904 * rtl.h: Delete duplicate prototypes. Add some missing
9906 * rtlanal.c (for_each_rtx): Formatting tweak.
9908 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9910 * real.c (emdnorm and etoasc): Disable round to even for c4x target
9911 to be compatible with TI compiler.
9913 * Makefile.in (USER_H): Add va-c4x.h to definition.
9915 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
9917 * function.c (purge_addressof_1): Fix typo in inequality: do
9918 bitfield optimization for equal mode sizes.
9919 * expmed.c (store_bit_field): Don't take subregs of subregs in
9920 the movstrict case. Tidy a potential problem in the multi-word case.
9921 (extract_bit_field): Likewise.
9923 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9925 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
9927 Compute max_uid_for_flow by calling get_max_uid after the scan.
9928 (find_basic_blocks_1): Don't emit NOPs here.
9930 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
9932 * alias.c (base_alias_check): Accept new args for the modes of the
9933 two references. Use them to determine if an AND can overlap. Update
9935 (memrefs_conflict_p): Assume sizes are aligned, and uses them
9936 to determine if an AND can overlap.
9938 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
9940 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
9941 check. Add comment to document problems with TARGET_SUN_FPA version
9943 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
9945 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9947 * Makefile.in (gencheck.o): Depend on gansidecl.h.
9949 * c-common.c (print_char_table): Add missing initializers.
9950 (scan_char_table): Likewise.
9951 (time_char_table): Likewise.
9953 * c-decl.c (c_decode_option): Mark parameter `argc' with
9955 (declare_parm_level): Mark parameter `definition_flag' with
9958 * c-lex.c (readescape): Use `(unsigned)1' in shift.
9959 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
9962 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
9964 (emit_call_1): Mark parameters `fndecl' and `funtype' with
9966 (expand_call): Cast result of MIN() to (unsigned int) when
9967 comparing against an unsigned value.
9969 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
9971 (make_definition): Remove unused parameter `op'. All callers
9973 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
9974 comparing against the result of pointer arithmetic.
9976 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
9977 when comparing against one.
9979 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
9980 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
9982 (output_die): Move variable `i' into the scope in which it is
9983 used. Change its type to `unsigned'.
9984 (output_die): Cast the result of `strlen' to (int) when passing it
9985 to ASM_OUTPUT_ASCII().
9986 (output_pubnames): Likewise.
9987 (output_line_info): Likewise.
9989 * emit-rtl.c (global_rtl): Add missing initializers.
9991 * explow.c (promote_mode): Mark parameter `for_call' with
9994 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
9995 `unsigned HOST_WIDE_INT' when comparing against one.
9996 (synth_mult): Change type of variable `cost' to int.
9997 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
9999 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
10000 when comparing against one.
10001 (get_inner_reference): Change variable `alignment' to unsigned.
10002 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
10003 int) when comparing against one.
10004 (expand_builtin_setjmp): Change type of variable `i' to size_t.
10006 * fold-const.c (div_and_round_double): Cast BASE to
10007 (HOST_WIDE_INT) when comparing against one.
10009 * gencheck.c: Include gansidecl.h.
10010 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
10012 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
10013 `tcode' with ATTRIBUTE_UNUSED.
10015 * real.c (edivm): Cast constant value to (unsigned long) in
10016 expression compared against an unsigned value.
10018 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
10019 comparing against one.
10020 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
10021 when comparing against one.
10023 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
10024 (unsigned int) when comparing against one. Likewise for
10026 (smallest_mode_for_size): Likewise.
10027 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
10028 (restore_storage_status): Likewise.
10030 * toplev.c (debug_args): Add missing initializer.
10031 (f_options): Spelling correction. Add missing initializers.
10032 (documented_lang_options): Likewise.
10033 (debug_end_source_file): Mark parameter `lineno' with
10036 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
10037 `decl' and `type' with ATTRIBUTE_UNUSED.
10039 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
10040 when comparing against one.
10041 (assemble_variable): Mark parameter `top_level' with
10043 (assemble_external_libcall): Mark parameter `fun' with
10045 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
10048 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
10050 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
10051 Replace use of r5 with use of r19.
10053 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
10055 * config/v850/v850.c (compute_register_save_size): Allow for the
10056 fact that helper functions save all registers, not just those used
10059 Replace constant 31 with macro LINK_POINTER_REGNUM.
10061 * config/v850/v850.md: Use 'indirect_operand' rather than
10062 'memory_operand' for bit test/set/clear patterns.
10064 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
10066 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
10067 * varasm.c (assemble_start_function et al): Don't call
10068 ASM_GLOBALIZE_LABEL for weak symbols.
10070 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
10072 * cse.c (equiv_constant): Check for NULL return from
10073 gen_lowpart_if_possible().
10075 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
10077 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
10079 * collect2.c (main): Pass -EL/-EB through to the compiler.
10081 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10083 * expr.c (push_block): Handle targets where the stack grows
10084 to higher addresses, but args grow to lower addresses and
10085 ACCUMULATE_OUTGOING_ARGS is not defined.
10087 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
10089 * config/v850/v850.c (print_operand): Extend meaning
10090 of 'c' operands to support .vtinherit.
10092 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10094 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
10095 Added ATTRIBUTE_UNUSED to unused function arguments.
10096 (rc_reg_operand): New predicate.
10097 (c4x_rptb_insert): New function.
10098 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
10099 (c4x_optimization_options): New function.
10101 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
10102 (decrement_and_branch_on_count): New pattern.
10103 (rptb_top): Modified pattern to work with BCT optimization.
10105 * config/c4x/c4x.h (RC_REG): New register class.
10106 (rc_reg_operand): Define prototype.
10107 (IS_RC_REG): New macro.
10108 (IS_RC_OR_PSEUDO_REG): New macro.
10109 (IS_RC_OR_PSEUDO_REGNO): New macro.
10110 (OPTIMIZATION_OPTIONS): Define.
10112 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
10114 * collect2.c (extract_init_priority): No priority is 65535.
10116 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10118 * Makefile.in (build_tooldir): New variable, same as old
10119 $(tooldir), but without depending on $(libdir)/$(unlibsubdir).
10120 (GCC_FOR_TARGET): Add -B$(build_tooldir)/bin/.
10121 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Likewise.
10123 * configure.in (gxx_include_dir): Set default based on unlibsubdir.
10124 * Makefile.in (tooldir): Likewise.
10125 (cccp.o, cpplib.o): Use unlibsubdir implicitly through
10126 gxx_include_dir, includedir and tooldir.
10127 (protoize.o, unprotoize.o): Likewise.
10129 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
10131 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
10133 * config/arm/thumb.c (thumb_override_options): Add warning about
10134 PIC code not being supported just yet.
10136 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
10138 * flow.c: Update comment.
10139 (notice_stack_pointer_modification): New static function.
10140 (record_volatile_insns): Use it.
10141 (mark_regs_live_at_end): Mark the stack pointer as alive
10142 at the end of the function if current_function_sp_is_unchanging
10144 (life_analysis_1): Set current_function_sp_is_unchanging.
10145 * function.c: Define it.
10146 (init_function_start): Initialize it.
10147 * output.h: Declare it.
10148 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
10149 the stack pointer as alive at the end of the function if
10150 current_function_sp_is_unchanging is set.
10151 * i386.c (ix86_epilogue): Optimize the restoring
10152 of the stack pointer.
10154 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
10156 * version.c: Bump for snapshot.
10158 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
10160 * c-pragma.c (handle_pragma_token): If passed a token instead
10161 of a tree, use that as the pack value.
10163 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
10165 * flow.c (find_basic_blocks_1): Fix prototype.
10167 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
10169 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
10170 (struct tree_decl): New fields no_check_memory_usage.
10171 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
10172 (init_attributes): Register it as a new attribute.
10173 (decl_attributes): Set flags on functions given that attribute.
10174 * c-decl.c (duplicate_decls): Merge new attribute.
10175 * expr.h (current_function_check_memory_usage): Declare new var.
10176 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
10177 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
10178 current_function_check_memory_usage.
10179 * function.h: Add field to struct function.
10180 * function.c (current_function_check_memory_usage): Define it.
10181 (push_function_context_to, pop_function_context_from): Save and
10183 (expand_function_start): Set it, based on global flag and function
10186 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
10187 check non-automatic variables, to permit detection of writes to
10188 read-only locations in embedded systems without memory management.
10189 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
10190 when emitting chkr_set_right_libfunc call, even if the argument is
10191 BLKmode or variable-sized; don't abort.
10193 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
10194 symbols in Pmode, not VOIDmode.
10196 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
10198 * cppexp.c: When forcing unsigned comparisons, cast both sides
10201 * cpphash.h: Move static declaration of hashtab[]...
10202 * cpphash.c: ...here.
10204 * cpplib.c: Cast difference of two pointers to size_t before
10205 comparing it to size_t. Cast signed to unsigned
10206 before comparing to size_t. (FIXME: struct argdata should use
10207 unsigned buffer sizes.)
10208 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
10209 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
10210 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
10211 size_t before comparison.
10213 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
10215 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
10216 (find_basic_blocks_1): Similarly.
10217 * output.h (find_basic_blocks): Fix prototype.
10218 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
10219 find_basic_blocks anymore.
10221 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
10223 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
10224 (sbitmap_free, sbitmap_vector_free): New macros.
10225 * output.h (rtl_dump_file): Declare.
10227 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
10229 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
10231 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10233 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
10234 (DFtype): Likewise.
10235 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
10236 (divide): Remove unused variable `tmp'.
10237 (si_to_float): Cast numeric constant to (SItype) before comparing
10240 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
10242 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
10243 * gcc.c (add_preprocessor_option): Correct typo when allocating
10244 memory, sizeof() argument had one too many `*'.
10245 (add_assembler_option): Likewise.
10246 (add_linker_option): Likewise.
10247 * gcov.c (output_data): Likewise.
10248 * local-alloc.c (memref_used_between_p): Likewise.
10249 (update_equiv_regs): Likewise.
10250 * loop.c (strength_reduce): Likewise.
10251 * reg-stack.c (record_asm_reg_life): Likewise.
10252 (subst_asm_stack_reg): Likewise.
10253 * reorg.c (dbr_schedule): Likewise.
10255 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
10257 * flow.c (life_analysis_1): Break out some functions.
10258 (find_basic_blocks_1): Likewise. Also move some variables out and
10260 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
10261 new static var nonlocal_label_list with it.
10262 (active_eh_region, nested_eh_region, label_value_list,
10263 nonlocal_label_list): New static variables.
10264 (make_edges, delete_unreachable_blocks, delete_block): New static
10265 functions, broken out of find_basic_blocks_1.
10266 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
10267 noop_move_p): New static functions, broken out of life_analysis_1.
10269 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
10271 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
10272 Take extra care for op0 now possibly being a subreg.
10273 (extract_bit_field): Likewise.
10274 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
10275 the reg to memory if there is no equal sized integral mode.
10276 * stor-layout.c (int_mode_for_mode): New function.
10277 * machmode.h: Prototype it.
10279 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
10281 * global.c (build_insn_chain): Verify no real insns exist past the
10282 end of the last basic block, then exit the loop.
10284 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@gnu.org>
10286 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
10288 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
10290 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
10292 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@gnu.org>
10294 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
10296 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
10298 * flow.c (find_basic_blocks): Correctly determine when a call
10299 is within an exception region.
10301 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
10303 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
10305 * cpplib.h: Protect from multiple inclusions.
10306 * cpplib.c: Fix minor formatting problems.
10308 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
10310 * jump.c (jump_optimize): Revert accidental patch.
10312 * Makefile.in (cpplib.o): Use unlibsubdir.
10314 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
10316 * loop.c (get_condition): Allow combine when either compare is
10319 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
10321 * version.c: Bump for snapshot.
10323 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
10325 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
10326 (init_lex): Initialize ridpointers[RID_BYREF].
10327 * c-lex.h (enum rid): Add RID_BYREF.
10328 * c-parse.gperf: Add RID_BYREF as a type qualifier.
10329 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
10330 (encode_type_qualifiers): Similarly.
10331 * c-gperf.h: Rebuilt.
10333 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
10335 * c-common.c (type_for_mode): Only return TItype nodes when
10336 HOST_BITS_PER_WIDE_INT is >= 64 bits.
10337 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
10338 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
10339 (init_decl_processing): Only create TItype nodes when
10340 HOST_BITS_PER_WIDE_INT is >= 64 bits.
10341 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
10342 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
10344 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
10346 * stmt.c (n_occurrences): New static function.
10347 (expand_asm_operands): Verify that all constrains match in the
10348 number of alternatives.
10349 Verify that '+' or '=' are at the beginning of an output constraint.
10350 Don't allow '&' for input operands.
10351 Verify that '%' isn't written for the last operand.
10352 * reload.c (find_reloads): Abort if an asm is found with invalid
10353 constraints; all possible problems ought to be checked for earlier.
10355 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10357 * flags.h (flag_branch_on_count_reg): Always declare.
10358 * toplev.c (flag_branch_on_count_reg): Likewise.
10359 * toplev.c: Fix typos.
10361 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
10362 (toc4x): Similarly.
10364 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
10366 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
10368 (find_basic_blocks_1): Add a nop to the end of a basic block when
10369 a trailing call insn does not have abnormal control flow.
10370 * gcse.c (pre_transpout): New variable.
10371 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
10372 (compute_pre_transpout): Calculate it.
10373 (compute_pre_ppinout): Use it to eliminate impossible placements
10374 due to abnormal control flow through calls.
10375 (compute_pre_data): Call compute_pre_transpout.
10377 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10379 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
10381 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
10383 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
10384 and matching define_insns): Tack on a `use' of the table label, so
10385 flow analysis will recognize a tablejump.
10387 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
10389 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
10390 always end basic blocks for abnormal edge reasons.
10392 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
10394 * config/i386/i386.h: Remove definition of
10395 HANDLE_PRAGMA_PACK_PUSH_POP.
10397 * config/i386/go32.h: Add definition of
10398 HANDLE_PRAGMA_PACK_PUSH_POP.
10400 * config/i386/win32.h: Add definition of
10401 HANDLE_PRAGMA_PACK_PUSH_POP.
10403 * config/i386/cygwin32.h: Add definition of
10404 HANDLE_PRAGMA_PACK_PUSH_POP.
10406 * c-pragma.c (insert_pack_attributes): Do not insert
10407 attributes unless #pragma pack(push,<n>) is in effect.
10409 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
10411 * expr.c (emit_group_store): Handle a PARALLEL destination.
10413 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
10415 * gcse.c (pre_insert_insn): When a call ends a bb, insert
10416 the new insns before the argument regs are loaded.
10418 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10420 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
10421 (c-parse.gperf): Update comments describing invocation flags.
10422 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
10424 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
10426 * reload1.c (reload): Call free before clobbering the memory
10427 locations or constants pointers.
10429 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10431 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
10432 for efficiency by checking whether we need to modify the current
10433 stack permission at all.
10434 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
10435 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
10436 __enable_execute_stack libcall here too if
10437 TRANSFER_FROM_TRAMPOLINE is defined.
10438 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
10441 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
10443 * Makefile.in (DRIVER_DEFINES): Remove last change.
10445 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
10447 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
10448 insns we're going to copy.
10449 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
10451 * loop.c (count_one_set): Add prototype.
10453 * caller-save.c (restore_referenced_regs): Lose mode argument.
10454 (insert_save): Lose mode argument.
10455 (insert_restore): Lose mode argument.
10456 (insert_one_insn): Lose mode argument.
10457 (save_call_clobbered_regs): Lose mode argument.
10458 (setup_save_areas): Take no argument and return void. All callers
10460 Don't verify validity of memory addresses.
10461 * reload.h (setup_save_ares): Adjust prototype.
10462 (save_call_clobbered_regs): Likewise.
10463 * reload1.c (delete_caller_save_insns): New function.
10464 (caller_save_spill_class): Delete variable.
10465 (caller_save_group_size): Delete variable.
10466 (reload): Call setup_save_areas and save_call_clobbered_regs
10467 in the main loop, before calling calculate_needs_all_insns.
10468 Don't call save_call_clobbered_regs after the loop.
10469 Call delete_caller_save_insns at the end of an iteration if
10471 Delete code to manage caller_save_spill_class.
10472 Emit the final note before setting reload_first_uid.
10473 Simplify test that determines whether reload_as_needed gets run.
10474 (calculate_needs): Delete code to manage caller_save_spill_class.
10476 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
10478 * collect2.c (main): Initialize ld_file_name.
10480 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
10482 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
10483 check for flag_function_sections.
10485 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10487 * cse.c (insert_regs): Fix bug in Sep 24 change.
10489 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10491 * flags.h (flag_dump_unnumbered): Declare.
10492 * toplev.c (flag_dump_unnumbered): Don't declare.
10493 * print-rtl.c (flags.h): Include.
10494 (print_rtl_single): Add return value.
10495 * rtl.h (print_rtl_single): Update declaration.
10496 * flow.c (flag_dump_unnumbered): Don't declare.
10497 (print_rtl_with_bb): Use return value of print_rtl_single.
10499 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
10501 * loop.c (count_one_set): New static function, broken out of
10502 count_loop_regs_set.
10503 (count_loop_regs_set): Call it.
10504 * global.c (mark_reg_store): Handle clobbers here by not calling
10506 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
10507 is in fact a clobber.
10508 * integrate.c (process_reg_param): New function, broken out of
10509 expand_inline_function.
10510 (expand_inline_function): Call it.
10512 * i386.md (addsidi3_1): Delete unused variable temp.
10513 (addsidi3_2): Likewise.
10514 (clstrstrsi): Delete unused variable addr1.
10516 * rtl.h: Don't declare any functions also declared in recog.h.
10518 * Makefile.in (stupid.o): Update dependencies.
10519 (global.o): Likewise.
10521 * global.c: Include reload.h.
10522 (reg_becomes_live): New function.
10523 (reg_dies): New function.
10524 (build_insn_chain): New function.
10525 (global_alloc): Call build_insn_chain before calling reload.
10527 * reload.h (struct needs): New structure definition.
10528 (struct insn_chain): Likewise.
10529 (reload_insn_chain): Declare variable.
10530 (new_insn_chain): Declare function.
10532 * reload1.c (reload_startobj): New variable.
10533 (reload_insn_chain): New variable.
10534 (unused_insn_chains): New variable.
10535 (new_insn_chain): New function.
10536 (init_reload): Initialize reload_startobj, not reload_firstobj.
10537 (reload): Initialize reload_firstobj.
10538 Before returning, free everything on the reload_obstack.
10540 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
10541 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
10542 current_chain): New variables.
10543 (reg_where_born): Delete variable.
10544 (REG_WHERE_BORN): New macro.
10545 (find_clobbered_regs): New function.
10546 (stupid_life_analysis): Don't allocate/free reg_where_born.
10547 Allocate and free reg_where_born_exact, reg_where_born_clobber,
10548 reg_where_dead_chain.
10549 Use REG_WHERE_BORN instead of reg_where_born.
10550 While processing the insns, build the reload_insn_chain with
10551 information about register lifetimes.
10552 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
10553 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
10555 Compute and information about birth and death of pseudo registers in
10556 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
10557 Delete code to set elements of reg_where_born.
10559 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
10561 * tree.def (GOTO_EXPR): Modified documentation.
10562 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
10565 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@gnu.org>
10567 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
10568 loop_final_value, loop_comparison_code): No longer static.
10569 (unroll_loop): Delete loop_start_value update.
10570 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
10571 loop_final_value, loop_comparison_code): Extern.
10572 (loop_start_value): Delete extern.
10573 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
10574 loop_comparison_value, loop_comparison_code): Delete.
10575 (loop_optimize): Remove initialization for deleted variables.
10576 (strength_reduce): Delete analyze_loop_iterations call. Only call
10577 insert_bct if flag_branch_count_on_reg set.
10578 (analyze_loop_iterations): Delete.
10579 (insert_bct): Remove iteration count calculation. Move checks for
10580 viable BCT optimization to here. Obtain iteration count from
10581 loop_iterations and correct for unrolling. Check for enough
10582 iteration to be beneficial. Comment out runtime iteration count
10584 (insert_bct): Print iteration count in dump file. Remove
10585 loop_var_mode and use word_mode directly.
10587 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
10588 * rs6000.c (rs6000_override_options): Use it.
10589 (optimization_options): Enable use of flag_branch_on_count_reg.
10590 * rs6000.md (define_function_unit): Describe 604e.
10592 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10594 * loop.c (move_movables): Corrected threshold calculation for
10595 moved_once registers.
10597 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
10599 * loop.c (combine_givs_p): Fix test for identical givs.
10601 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
10603 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
10604 call abort if the function is already defined.
10606 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
10608 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
10609 truncation is not a no-op.
10611 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
10613 * version.c: Bump for snapshot.
10615 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
10617 * version.c: Bump for snapshot.
10619 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
10621 * expmed.c (expand_divmod): Don't widen for computing remainder
10622 if we seem to have a divmod pattern for needed mode.
10624 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
10626 * cpplib.c (macroexpand): Correct off-by-one error in handling
10629 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
10631 * combine.c (expand_field_assignment): Don't do bitwise operations
10632 on MODE_FLOAT; pun to MODE_INT if possible.
10634 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
10635 scott snyder <snyder@d0sgif.fnal.gov>
10637 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
10638 linker. Recognize mangled names in quotes.
10640 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10642 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
10643 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
10644 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
10645 (lshrsi3_extend, lshrsi3_extend2): Likewise.
10647 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10649 * function.c (purge_addressof_1): If trying to take a sub-word
10650 integral piece of a floating point mode, put it on the stack.
10652 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
10654 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
10656 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
10658 * PROJECTS: Remove template friends.
10660 * collect2.c (sort_ids): Remove unused variable.
10662 * tm.texi (MATH_LIBRARY): Document.
10663 (NEED_MATH_LIBRARY): Remove.
10665 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
10666 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
10668 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
10670 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
10671 last_end to 0x7fffffff.
10673 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10675 * function.c (purge_addressof_1): Do not perform endianness
10676 corrections on bitpos, who we call will do it for us.
10678 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
10680 * h8300.c (WORD_REG_USED): Fix typo.
10681 (initial_offset): Use WORD_REG_USED.
10683 * h8300.c (handle_pragma): Fix typo.
10685 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
10687 * caller-save.c (insert_save_restore): Break this function up
10688 into new functions insert_restore, insert_save and insert_one_insn.
10689 All callers changed.
10690 (insert_restore): New function, mostly broken out of
10691 insert_save_restore.
10692 (insert_save): Likewise.
10693 (insert_one_insn): Likewise.
10694 (restore_referenced_regs): New argument BLOCK. All callers changed.
10695 (save_call_clobbered_regs): Don't keep track of basic block boundaries
10696 in this function, do it in insert_one_insn instead.
10698 * reload1.c (reload): Break out some more pieces into separate
10700 (dump_needs): New function, broken out of reload.
10701 (set_initial_elim_offsets): Likewise.
10702 (init_elim_table): Likewise.
10703 (update_eliminables): Likewise.
10705 * global.c (global_alloc): Delete code to manage the scratch_list.
10706 * local-alloc.c (qty_scratch_rtx): Delete.
10707 (scratch_block): Delete.
10708 (scratch_list): Delete.
10709 (scratch_list_length): Delete.
10710 (scratch_index): Delete.
10711 (alloc_qty_for_scratch): Delete.
10712 (local-alloc): Update initialization of max_qty.
10713 Delete code to manage the scratch list.
10714 Delete code to allocate/initialize qty_scratch_rtx.
10715 (block_alloc): Don't allocate quantities for scratches.
10716 Delete code to manage the scratch list.
10717 * regs.h (scratch_list): Delete declaration.
10718 (scratch_block): Delete declaration.
10719 (scratch_list_length): Delete declaration.
10720 * reload1.c (reload): Delete code to manage the scratch list.
10721 (spill_hard_reg): Likewise.
10722 (mark_scratch_live): Delete.
10724 * recog.c (alter_subreg): Delete declaration.
10726 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
10728 * Makefile.in (cccp.o): Fix typo in last patch.
10730 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10732 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
10733 * config/sh/lib1funcs.asm (___set_fpscr): Add.
10735 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
10737 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
10738 NULL_RTX as an argument.
10740 * Makefile.in (unlibsubdir): Define.
10741 (DRIVER_DEFINES): Use unlibsubdir.
10742 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
10743 (stmp-fixinc): Similarly.
10745 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
10747 * regmove.c (regmove_optimize): Add variable old_max_uid.
10748 At the end of the function, update basic_block_end.
10750 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10752 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
10753 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
10754 arbitrary constant.
10756 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
10758 * config/arm/arm.c: Improve interworking support.
10760 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10762 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
10763 copied from reload_out[r] .
10765 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
10767 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
10768 with more than three size ranges.
10770 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
10772 * rtl.c (mode_name): Add a null string at the end of the array.
10773 (mode_wider_mode): Change type to unsigned char.
10774 (mode_mask_array): New variable.
10775 (init_rtl): Update for mode_wider_mode type change.
10777 * rtl.h (mode_wider_mode): Change type to unsigned char.
10778 (mode_mask_array): Declare.
10779 (GET_MODE_MASK): Use mode_mask_array.
10781 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
10783 * calls.c (expand_call) : Encapsulate code into
10784 copy_blkmode_from_reg.
10785 * expr.c (copy_blkmode_from_reg): New function.
10786 * expr.h (copy_blkmode_from_reg): New function.
10787 * integrate.c (function_cannot_inline_p): We can inline
10789 (expand_inline_function): Use copy_blkmode_from_reg
10790 if needed. Avoid creating BLKmode REGs.
10791 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
10794 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
10796 * config/v850/v850.c: Add function prototypes.
10797 Add support for v850 special data areas.
10799 * config/v850/v850.h: Add support for v850 special data areas.
10801 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
10802 HANDLE_PRAGMA_PACK_PUSH_POP.
10803 (push_alignment): New function: Cache an alignment requested
10804 by a #pragma pack(push,<n>).
10805 (pop_alignment): New function: Pop an alignment from the
10807 (insert_pack_attributes): New function: Generate __packed__
10808 and __aligned__ attributes for new decls whilst a #pragma pack
10810 (add_weak): New function: Cache a #pragma weak directive.
10811 (handle_pragma_token): Document calling conventions. Add
10812 support for #pragma pack(push,<n>) and #pragma pack (pop).
10814 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
10815 are defined enable HANDLE_PRAGMA_PACK.
10816 Move 'struct weak_syms' here (from varasm.c).
10817 Add pragma states for push and pop pragmas.
10819 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
10822 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
10823 HANDLE_GENERIC_PRAGMAS.
10825 * varasm.c: Move definition of 'struct weak_syms' into
10827 (handle_pragma_weak): Deleted.
10829 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
10831 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
10833 * c-decl.c (start_function): Add invocation of
10834 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
10836 * tm.texi: Remove description of non-existent macro
10837 SET_DEFAULT_SECTION_NAME.
10839 (HANDLE_SYSV_PRAGMA): Document.
10840 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
10842 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
10844 * config.sub: Recognize i[34567]86-pc-udk as new target.
10845 * configure.in: Likewise.
10846 * config/i386/t-udk: New file.
10847 * config/i386/udk.h: New file.
10849 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
10851 * reorg.c (check_annul_list_true_false): Remove unused variables.
10852 (steal_delay_list_from_target): Add missing "used_annul" variable.
10853 (try_merge_delay_insns): Close out half formed comment.
10855 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
10857 * cpplib.c (macroexpand): If arg->raw_before or
10858 arg->raw_after, remove any no-reexpansion escape at the
10859 beginning of the pasted token. Correct handling of whitespace
10860 markers and no-reexpand markers at the end if arg->raw_after.
10862 * toplev.c (documented_lang_options): Recognize -include,
10863 -imacros, -iwithprefix, -iwithprefixbefore.
10864 * cpplib.c (cpp_start_read): Process -imacros and -include
10865 switches at the same time and in command-line order, after
10866 initializing the dependency-output code. Emit properly nested
10867 #line directives for them. Emit a #line for the main file
10868 before processing these switches, and don't do it again
10871 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
10873 * function.c (purge_addressof_1): Use bitfield manipulation
10874 routines to handle mem mode < reg mode.
10876 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10878 * reorg.c (try_merge_delay_insns): Account for resources referenced
10879 in each instruction in INSN's delay list before trying to eliminate
10880 useless instructions. Similarly when looking at a trial insn's delay
10883 * reorg.c (check_annul_list_true_false): New function.
10884 (steal_delay_list_from_{target,fallthrough}): Call it and also
10885 refine tests for when we may annul if already filled a slot.
10886 (fill_slots_from_thread): Likewise.
10887 (delete_from_delay_slot): Return newly-created thread.
10888 (try_merge_delay_isns): Use its new return value.
10890 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
10892 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
10893 used to compute a giv or as some other non-counting use.
10895 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10897 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
10898 * local-alloc.c (find_free_reg): Use it.
10899 * global.c (find_reg): Likewise.
10900 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
10902 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
10903 * caller-save.c (init_caller_save): Use it.
10904 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
10906 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
10908 * configure.in: Add --enable-cpplib option which uses cpplib
10909 for cpp, but doesn't link cpplib into cc1. Make help text
10910 capitalization consistent.
10911 * configure: Rebuilt.
10913 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
10915 * function.c (gen_mem_addressof): If the address REG is
10916 REG_USERVAR_P make the new REG be so also.
10917 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
10918 in an attempt to clarify slightly.
10920 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
10922 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
10923 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
10925 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
10927 * toplev.c: Fix last patch.
10929 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
10931 * loop.c (get_condition): Fix typo in May 9 change.
10933 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10935 * invoke.texi (-fexceptions): Merge 2 different descriptions.
10937 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10939 * toplev.c (documented_lang_options): Spelling corrections.
10941 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10943 * configure.in: New flags --with-ld and --with-as, equivalent
10944 to setting LD and AS environment variables. Test whether
10945 specified arguments are GNU commands, and report them with
10946 checking messages. Use the specified AS for configure
10948 * configure: Likewise.
10949 * acconfig.h: Add DEFAULT_ASSEMBLER and DEFAULT_LINKER.
10950 * config.in: Likewise.
10951 * gcc.c (find_a_file): When looking for `as' and `ld', return
10952 the DEFAULT program if it exists.
10953 * collect2.c (main): Use DEFAULT_LINKER if it exists.
10955 * gcc.c (find_a_file): The test for existence of a full
10956 pathname was reversed.
10958 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
10960 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
10961 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
10963 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
10965 * tree.h (TYPE_BINFO): Document.
10967 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
10969 * i386-coff.h (dbxcoff.h): Added.
10971 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
10973 * toplev.c: Fix bad patch around flag_data_sections.
10975 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
10977 * reload1.c (reload): Use reload_address_index_reg_class and
10978 reload_address_base_reg_class when setting
10979 caller_save_spill_class. (Patch generated by Jim Wilson:
10980 wilson@cygnus.com).
10982 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
10984 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
10985 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
10986 * expr.c (store_field): Add alias_set parameter. Set the
10987 MEM_ALIAS_SET accordingly, if the target is a MEM.
10988 (expand_assignment): Use it.
10989 (store_constructor_field): Pass 0.
10990 (expand_expr): Likewise.
10992 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
10994 * flags.h: Add flag_data_sections.
10995 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
10996 (compile_file): Error if flag_data_sections not supported.
10997 * varasm.c (assemble_variable): Handle flag_data_sections.
10998 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
10999 * config/mips/elf.h: Likewise.
11000 * config/mips/elf64.h: Likewise.
11001 * invoke.texi: Describe -fdata-sections.
11003 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
11005 * invoke.texi (-ffloat-store): Clarify that this option
11006 does not affect intermediate results -- only variables.
11008 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
11010 * cpp.texi: Update for Fortran usage from Craig.
11012 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@gnu.org>
11014 * rs6000.c (function_arg_boundary): Revert accidental change on
11017 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
11019 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
11020 (output_mi_thunk): Declare.
11022 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
11023 (output_function_profiler): Use r12 for temp, instead of r11 so
11024 that we preserve the static chain register.
11026 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
11028 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
11030 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11032 * sh.c (gen_shl_sext): Fix case 5.
11034 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11036 * reload1.c (reload_combine): Re-add line that got accidentally lost.
11038 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11040 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
11041 accessing variables until they are initialized via va_arg().
11043 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11045 * reload1.c (reload_combine): Initialize set before using.
11047 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
11049 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
11052 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
11054 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
11055 operand3 with mask before using it. Patch provided by Jim Wilson.
11057 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11059 * config/sparc/sparc.c (function_value): Perform the equivalent of
11060 PROMOTE_MODE for ARCH64.
11061 (eligible_for_epilogue_delay): Allow DImode operations in delay
11062 slot of a return for ARCH64.
11064 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11066 * sh.md (sqrtsf2): Fix mode of sqrt.
11068 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11070 * reload1.c (choose_reload_regs): Also try inheritance when
11071 reload_in is a stack slot of a pseudo, even if we already got a
11074 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11076 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
11077 (reload_cse_regs): New function body: call reload_cse_regs_1,
11078 reload_combine, reload_cse_move2add.
11079 When doing expensive_optimizations, call reload_cse_regs_1 a
11080 second time after reload_cse_move2add.
11081 (reload_combine, reload_combine_note_store): New functions.
11082 (reload_combine_note_use): New function.
11083 (reload_cse_move2add, move2add_note_store): New functions.
11085 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11087 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
11088 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
11090 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
11091 more than 3 such reloads.
11093 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
11094 RELOAD_FOR_X_ADDR_ADDR reload.
11096 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11098 * expr.c (store_constructor): When initializing a field that is smaller
11099 than a word, at the start of a word, try to widen it to a full word.
11101 * cse.c (cse_insn): When we are about to change a register,
11102 remove any invalid references to it.
11104 (remove_invalid_subreg_refs): New function.
11105 (mention_regs): Special treatment for SUBREGs.
11106 (insert_regs): Don't strip SUBREG for call to mention_regs.
11107 Check if reg_tick needs to be bumped up before that call.
11108 (lookup_as_function): Try to match known word_mode constants when
11109 looking for a norrower constant.
11110 (canon_hash): Special treatment for SUBREGs.
11112 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11114 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
11115 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
11116 defined, emit libcall to __enable_execute_stack. Also fix opcodes
11117 and offsets in actual stack trampoline code so they match the
11118 commentary and actually work.
11120 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11122 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
11124 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
11125 tmake_file. Set extra_parts to needed crt objects.
11126 * configure: Rebuilt.
11127 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
11128 (TARGET_DEFAULT): Set if default is v9 or ultra.
11129 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
11130 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
11131 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
11132 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
11133 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
11134 (TARGET_VERSION): Define.
11135 (MULTILIB_DEFAULT): Define.
11136 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
11137 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
11138 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
11140 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
11141 * config/sparc/sparc.c (sparc_override_options): If arch and
11142 pointer size disagree, emit diagnostic and fix it up. If
11143 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
11144 V8PLUS in 64-bit mode.
11145 * config/sparc/t-linux64: New file.
11146 * config/sparc/t-sol2-64: New file.
11147 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
11148 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
11149 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
11150 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
11151 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
11152 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
11154 (STARTFILE_SPEC): Set appropriately based upon those.
11155 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
11156 disposition of DEFAULT_ARCH32_P.
11157 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
11158 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
11159 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
11160 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
11161 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
11163 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
11165 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
11167 * rtl.h (init_virtual_regs): New function.
11168 * emit-rtl.c (init_virtual_regs): Define.
11169 (insn_emit): Use it.
11170 * integrate.c (save_for_inline_copying): Likewise.
11172 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
11174 * config/arm/thumb.h: The following patches were made by Jim Wilson:
11175 (enum reg_class): Add NONARG_LO_REGS support.
11176 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
11177 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
11178 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
11179 completes. Re-enable HImode REG+OFFSET addresses.
11180 (LEGITIMIZE_RELOAD_ADDRESS): Define.
11182 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
11184 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
11186 * alpha.c (get_aligned_mem): Revert Sep 20 change.
11187 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
11188 (alpha_align_insns): Properly calculate initial offset wrt max_align.
11190 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
11192 * arm.c (find_barrier): Revert change of Apr 23. Handle table
11193 jumps as a single entity, taking into account the size of the
11196 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
11198 * tree.def (SWITCH_EXPR): New tree node definition.
11200 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
11202 * version.c: Bump for snapshot.
11204 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
11206 * version.c: Bump for snapshot.
11208 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
11210 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
11213 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
11215 * Revert this patch.
11216 * reload.c (find_reloads): Do not replace a pseudo with
11217 (MEM (reg_equiv_addr)) in the initializing insn for the
11220 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
11222 * final.c (final_scan_insn): Disable tracking CC across branches.
11224 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
11226 * expr.h (eh_rtime_match_libfunc): New extern declaration.
11227 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
11228 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
11229 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
11230 NULL. Only include <stdio.h> if inhibit_libc is not defined.
11232 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
11234 * toplev.c (rest_of_compilation): Skip compiling anything with
11235 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
11237 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
11239 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
11240 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
11241 use in_libcall_block.
11242 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
11243 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
11246 Mon Sep 21 14:02:23 1998
11248 * i386.h (TARGET_SWITCHES) Improve doc for align-double. Fix
11249 typo in no-fancy-math-387 description.
11251 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
11253 * version.c: Bump for snapshot.
11255 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
11257 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
11259 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
11261 * i386.h (TARGET_SWITCHES) Add description fields for flags
11262 documented in install.texi.
11263 (TARGET_OPTIONS) Likewise.
11265 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
11267 * version.c: Bump for snapshot.
11269 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
11271 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
11272 * cccp.c (main): Likewise.
11274 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
11275 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
11278 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
11280 * Makefile.in (LIBS): Link in libiberty.a.
11281 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
11283 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
11285 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
11286 it to update bb boundaries. Update caller.
11287 * function.c (reposition_prologue_and_epilogue_notes): Update
11288 bb boundaries wrt the moved note.
11290 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
11292 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
11294 * configure: Regenerate.
11296 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
11298 * alpha.c (alpha_sr_alias_set): New variable.
11299 (override_options): Set it.
11300 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
11301 (mode_mask_operand): Fix signed-unsigned comparison warning.
11302 (alpha_expand_block_move): Likewise.
11303 (print_operand): Likewise.
11304 (get_aligned_mem): Use change_address.
11305 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
11306 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
11307 (alphaev4_next_nop, alphaev5_next_nop): New functions.
11308 (alpha_align_insns): Remade from old alphaev5_align_insns
11309 to handle multiple processors.
11310 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
11311 * output.h (label_to_alignment): Prototype.
11313 * tree.c (new_alias_set): New function.
11314 * tree.h (new_alias_set): Declare it.
11315 * c-common.c (c_get_alias_set): Use it.
11317 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
11319 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
11320 to an ABS expr, convert an unsigned input to signed.
11322 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
11324 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
11326 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11328 * configure.in: Add support for c4x targets.
11329 * configure: Rebuilt.
11331 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
11333 * combine.c (distribute_notes): If an insn is a cc0 user, only
11334 delete it if we can also delete the cc0 setter.
11336 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
11338 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
11339 (invert_truthvalue): Enable truthvalue inversion for
11340 floating-point operands if -ffast-math.
11342 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
11344 * configure.in: Disable collect2 for nextstep. Instead use
11346 * configure: Rebuilt.
11347 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
11348 (ENDFILE_SPEC): Define.
11349 (OBJECT_FORMAT_MACHO): Define.
11350 (EH_FRAME_SECTION_ASM_OP): Define.
11351 * crtstuff.c: Handle MACHO.
11353 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
11355 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
11357 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
11359 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
11360 (_fpadd_parts): Get sign right for 0.
11362 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11364 * ginclude/varargs.h: Add support for C4x target.
11365 * ginclude/stdargs.h: Likewise.
11367 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
11369 * alpha.c (alpha_return_addr): SET should be VOIDmode.
11370 (alpha_emit_set_long_const): Rewrite to be callable from reload
11372 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
11373 * alpha.md (movdi): Likewise.
11375 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
11377 * arm.c (add_constant): New parameter address_only, change caller.
11378 Set it non-zero if taking the address of an item in the pool.
11379 (arm_reorg): Handle cases where we need the address of an item in
11382 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
11384 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
11385 memory addresses that are not in standard canonical form.
11387 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
11389 * README.C4X: New file with information about the c4x ports.
11390 * ginclude/va-c4x.h: New file for c4x varargs support.
11391 * config/c4x: New directory with c4x port files.
11393 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
11395 * reload.c (find_reloads): Do not replace a pseudo with
11396 (MEM (reg_equiv_addr)) in the initializing insn for the
11399 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@gnu.org>
11401 * toplev.c (rest_of_compilation): Set bct_p on second call to
11403 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
11405 (strength_reduce): Only call analyze_loop_iterations and
11406 insert_bct if bct_p set.
11407 (check_dbra_loop): Fix typo.
11408 (insert_bct): Use word_mode instead of SImode.
11409 (instrument_loop_bct): Likewise. Do not delete iteration count
11410 condition code generation insn. Initialize iteration count before
11412 * rtl.h (loop_optimize): Update prototype.
11414 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
11415 not doubleword aligned.
11417 * rs6000.c (optimization_options): New function.
11418 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
11419 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
11420 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
11421 first; cr1 can be used for FP record condition insns.
11423 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
11425 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
11428 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
11431 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
11433 (block_move_call): New function: Call a library routine to copy a
11435 (m32r_expand_block_move): New function: Expand a "movstrsi"
11436 pattern into a sequence of insns.
11437 (m32r_output_block_move): New function: Expand a
11438 "movstrsi_internal" pattern into a sequence of assembler opcodes.
11439 (m32r_block_immediate_operand): New function: Return true if the
11440 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
11442 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
11444 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
11445 re-align some code.
11446 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
11448 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11450 * regmove.c (copy_src_to_dest): Check that modes match.
11452 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
11454 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
11456 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
11458 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
11459 narrower than FLOAT_REGS.
11461 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
11463 * cpplib.c: Removed OLD_GPLUSPLUS_INCLUDE_DIR.
11464 * cccp.c: Likewise.
11465 * Makefile.in (old_gxx_include_dir): Removed.
11467 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
11469 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
11472 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
11473 (sh_handle_pragma): Change function arguments to match new
11474 specification for HANDLE_PRAGMA.
11476 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11478 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
11480 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
11481 When generating output, initialize missing struct member to zero.
11483 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11485 * regmove.c (copy_src_to_dest): Don't copy if that requires
11486 (a) new register(s).
11488 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
11490 * global.c (reg_allocno): Now static.
11491 * reload1.c (reg_allocno): Delete declaration.
11492 (order_regs_for_reload): Take no arguments. Don't treat regs
11493 allocated by global differently than those allocated by local-alloc.
11495 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
11497 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
11498 condition, fix format strings.
11499 (output_function_epilogue): Likewise.
11501 * m68k/m68k.c: Don't include <stdlib.h> directly.
11503 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
11505 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
11506 mem_first_set, mem_last_set; because 0 can be a CUID.
11507 (oprs_unchanged_p): Use new definition.
11508 (record_last_reg_set_info): Likewise.
11509 (record_last_mem_set_info): Likewise.
11510 (compute_hash_table): Likewise.
11512 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
11514 * rs6000.c (output_epilogue): Handle Chill.
11516 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
11517 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
11519 * combine.c (make_extraction): If no mode is specified for
11520 an operand of insv, extv, or extzv, default it to word_mode.
11521 (simplify_comparison): Similarly.
11522 * expmed.c (store_bit_field): Similarly.
11523 (extract_bit_field): Similarly.
11524 * function.c (fixup_var_regs_1): Similarly.
11525 * recog.c (validate_replace_rtx_1): Similarly.
11526 * mips.md (extv, extzv, insv expanders): Default modes for most
11527 operands. Handle TARGET_64BIT.
11528 (movdi_uld, movdi_usd): New patterns.
11530 * pa.c (emit_move_sequence): Do not replace a pseudo with its
11531 equivalent memory location unless we have been provided a scratch
11532 register. Similarly do not call find_replacement unless a
11533 scratch register has been provided.
11535 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
11537 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
11540 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
11542 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
11543 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
11544 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
11545 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
11546 * c-decl.c (init_decl_processing): Update accordingly.
11547 * expr.c (expand_builtin): Likewise.
11549 * rtl.h (global_rtl): Add cfa entry.
11550 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
11551 (LAST_VIRTUAL_REGISTER): Update.
11552 * emit-rtl.c (global_rtl): Add cfa entry.
11553 (init_emit): Initialize it.
11554 * function.c (cfa_offset): New.
11555 (instantiate_virtual_regs): Initialize it.
11556 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
11557 (expand_function_end): Call expand_eh_return.
11558 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
11560 * except.c (current_function_eh_stub_label): Kill.
11561 (current_function_eh_old_stub_label): Likwise; update all references.
11562 (expand_builtin_set_return_addr_reg): Kill.
11563 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
11564 (expand_builtin_set_eh_regs): Kill.
11565 (eh_regs): Produce a third reg for the actual handler address.
11566 (eh_return_context, eh_return_stack_adjust): New.
11567 (eh_return_handler, eh_return_stub_label): New.
11568 (init_eh_for_function): Initialize them.
11569 (expand_builtin_eh_return, expand_eh_return): New.
11570 * except.h: Update prototypes.
11571 * flow.c (find_basic_blocks_1): Update references to the stub label.
11572 * function.h (struct function): Kill stub label elements.
11574 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
11575 register number is one that would be in the previous window.
11576 Provide a dummy definition for non-windowed targets.
11577 (get_reg_addr): New function.
11578 (get_reg, put_reg, copy_reg): Use it.
11579 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
11580 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
11582 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
11583 (alpha_init_expanders): Initialize it.
11584 (alpha_expand_epilogue): Use it.
11585 * alpha.h: Declare it.
11586 * alpha.md (eh_epilogue): New.
11588 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
11589 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
11591 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
11593 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
11596 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
11598 * except.h (struct eh_entry): Add false_label field.
11599 (end_catch_handler): Add prototype.
11600 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
11601 (start_catch_handler): When using old style exceptions, issue
11602 runtime typematch code before continuing with the handler.
11603 (end_catch_handler): New function, generates label after handler
11604 if needed by older style exceptions.
11605 (expand_start_all_catch): No need to check for new style exceptions.
11606 (output_exception_table_entry): Only output the first handler label
11607 for old style exceptions.
11608 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
11609 mechanism into one function, if a runtime matcher is provided.
11611 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
11613 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
11615 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
11617 * integrate.c (copy_decl_list): Fix typo.
11619 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11621 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
11624 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
11626 * version.c: Bump for snapshot.
11628 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
11630 * version.c: Bump for snapshot.
11632 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
11634 * version.c: Bump for snapshot.
11636 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11638 * invoke.texi (C Dialect Options): Put back missing @end itemize.
11640 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
11642 * configure.in: Remove usage of `!' to negate the result of a
11643 command; some common shells do not support it.
11645 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11647 * configure.in: In sparc9-sol2 config, use 'if test' not
11649 * configure: Rebuilt.
11651 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
11653 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
11654 (CPP_CPU_DEFAULT_SPEC): Likewise.
11655 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
11656 for arch64 libfuncs.
11658 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
11661 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11663 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
11665 * collect2.c: Don't declare `sys_siglist' here.
11666 (my_strsignal): Prototype and define new function. Use it in
11667 place of `sys_siglist' hacks.
11669 * mips_tfile.c: Likewise.
11671 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
11672 (GCC_NEED_DECLARATIONS): Likewise.
11674 * system.h (strsignal): Prototype it, if necessary.
11675 (sys_siglist): Declare it, if necessary.
11677 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11679 * loop.c (move_movables): While removing insn sequences, preserve
11680 the next pointer of the most recently deleted insn when we skip
11683 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
11685 * objc/config-lang.in: Do not output the name of the selected
11686 thread file when building the front-end. The Makefile for the
11687 runtime library will do this.
11689 * objc/Make-lang.in: Do not build the runtime library or install
11690 the Objective C header files. The Makefile for the runtime
11691 library will do this.
11693 * objc/Makefile.in (all.indirect): Only build the front-end.
11694 (compiler): Rename to `frontend'.
11695 (obj-runtime): Remove target.
11696 (copy-headers): Likewise.
11697 (clean): No need to remove `libobjc.a' any longer.
11699 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
11701 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
11702 supported with -mcpu=xxx.
11704 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11706 * flow.c (mark_set_1): Recognize multi-register structure return
11707 values in CALL insns.
11708 (mark_used_regs): Likewise.
11709 (count_reg_sets_1): Likewise.
11710 (count_reg_references): Likewise.
11711 * rtlanal.c (note_stores): Likewise.
11712 (reg_overlap_mentioned_p): Likewise.
11713 * haifa-sched.c (check_live_1): Likewise.
11714 (update_live_1): Likewise.
11715 (sched_analyze_1): Likewise.
11716 (sched_note_set): Likewise.
11717 (birthing_insn_p): Likewise.
11718 (attach_deaths): Likewise.
11720 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
11722 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
11724 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
11726 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11728 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
11730 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11732 * configure.in: Add check for GAS subsection -1 support.
11733 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
11734 * configure config.in: Rebuilt.
11735 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
11736 SImode is subsection -1 works, else use DImode.
11737 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
11738 subsection -1 works.
11739 * config/sparc/sparc.c (sparc_output_addr_vec,
11740 sparc_output_addr_diff_vec): Use them if defined.
11742 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
11744 * tree.h (DECL_ORIGIN): New macro.
11745 * integrate.c (copy_and_set_decl_abstract_origin): New function.
11746 (copy_decl_list): Use it.
11747 (integrate_parm_decls): Likewise.
11748 (integrate_decl_tree): Likewise.
11749 * dwarf2out.c (decl_ultimate_origin): Simplify.
11750 * dwarfout.c (decl_ultimate_origin): Likewise.
11751 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
11752 (pushdecl): Likewise.
11754 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
11756 * config/rs6000/rs6000.c (output_epilog): Add Java support.
11758 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
11760 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
11762 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
11764 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
11765 empty or has a single entry.
11767 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
11768 before calling reg_to_stack.
11770 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
11772 * alpha.c (alphaev5_insn_pipe): Abort on default case.
11773 (alphaev5_next_group): Swallow CLOBBERs and USEs.
11775 * c-tree.h (warn_long_long): Declare it.
11777 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
11779 * emit-rtl.c (gen_lowpart_common): Disable optimization of
11780 initialized float-int union if the value is a NaN.
11782 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
11784 * c-lex.c (real_yylex): Don't warn about long long constants if
11785 we're allowing long long
11787 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
11789 * except.h (current_function_eh_stub_label): Declare.
11790 (current_function_eh_old_stub_label): Declare.
11791 * function.h (struct function): New members eh_stub_label and
11793 * except.c (current_function_eh_stub_label): New variable.
11794 (current_function_eh_old_stub_label): New variable.
11795 (init_eh_for_function): Clear them.
11796 (save_eh_status): Save them.
11797 (restore_eh_status): Restore them.
11798 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
11799 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
11800 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
11801 make an edge from the block that contains it to the block starting
11802 with the label if this label is one of the eh stub labels.
11803 If eh stub labels exist, show they are reachable from the last block
11806 * reload1.c (reload): Break out several subroutines and make some
11808 (calculate_needs_all_insns): New function, broken out of reload.
11809 (calculate_needs): Likewise.
11810 (find_reload_regs): Likewise.
11811 (find_group): Likewise.
11812 (find_tworeg_group): Likewise.
11813 (something_needs_reloads): New global variable, formerly in reload.
11814 (something_needs_elimination): Likewise.
11815 (caller_save_spill_class): Likewise.
11816 (caller_save_group_size): Likewise.
11817 (max_needs): Likewise.
11818 (group_size): Likewise.
11819 (max_groups): Likewise.
11820 (max_nongroups): Likewise.
11821 (group_mode): Likewise.
11822 (max_needs_insn): Likewise.
11823 (max_groups_insn): Likewise.
11824 (max_nongroups_insn): Likewise.
11825 (failure): Likewise.
11827 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
11829 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
11831 * loop.c (load_mems): Copy rtx for output mem.
11833 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
11835 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
11836 mips1 or mips2 either.
11838 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
11840 * pa.c (pa_reorg): New marking scheme for jumps inside switch
11842 (pa_adjust_insn_length): Update to work with new marking scheme
11843 for jumps inside switch tables.
11844 * pa.md (switch_jump): Remove pattern.
11845 (jump): Handle jumps inside jump tables.
11847 * Makefile.in (profile.o): Depend on insn-config.h
11849 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
11851 * iris6.h (DWARF2_UNWIND_INFO): Undef.
11853 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11855 Add preliminary native sparcv9 Solaris support.
11856 * configure.in: Recognize sparv9-*-solaris2*
11857 * configure: Rebuilt.
11858 * config.sub: Recognize sparcv9 just like sparc64.
11859 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
11860 config/sparc/sol2-cn.asm: Macroize so it can be shared between
11861 32-bit and 64-bit Solaris systems.
11862 * config/sparc/t-sol2: Assemble those with cpp.
11863 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
11864 (*TF*_LIBCALL): If ARCH64 use V9 names.
11865 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
11867 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11869 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
11870 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
11872 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
11874 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
11875 to Pmode if CASE_VECTOR_MODE is something else.
11877 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
11879 * prefix.c (update_path): Correctly handle cases where PATH is
11880 a substring of the builtin prefix, but specifies a different
11881 directory location.
11883 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
11885 * expr.c: Corrected comment about what MOVE_RATIO does.
11886 * config/alpha/alpha.h: Likewise.
11887 * config/1750a/1750a.h: Likewise.
11888 * config/clipper/clipper.h: Likewise.
11889 * config/i386/i386.h: Likewise.
11891 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
11893 * configure.in (m68k-next-nextstep3*): Use collect2.
11894 Similarly for x86 NeXT configurations.
11895 * configure: Rebuilt.
11897 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
11899 * configure.in: Don't assume srcdir is .../gcc.
11900 * configure: Rebuilt.
11902 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
11904 * global.c: Update comments.
11905 (global_alloc): Assign allocation-numbers
11906 even for registers allocated by local_alloc in case
11907 they are later spilled and retry_global_alloc is called.
11908 (mark_reg_store, mark_reg_clobber,
11909 mark_reg_conflicts, mark_reg_death): Always record a
11910 conflict with a pseudo register even if it has been
11911 assigned to a hard register.
11912 (dump_conflicts): Don't list pseudo registers already assigned to
11913 a hard register as needing to be allocated, but do list their
11915 * local-alloc.c: Update comment.
11917 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
11919 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
11920 * configure: Rebuilt.
11922 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
11924 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
11926 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
11927 for all targets that set -msoft-float.
11929 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11931 * toplev.c (print_switch_values): Make static to match prototype.
11933 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
11935 * configure.in: If we are unable to find the "gnatbind" program,
11936 then do not configure the ada subdir.
11937 * configure: Rebuilt.
11939 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
11941 * version.c: Bump for snapshot.
11943 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
11945 * version.c: Bump for snapshot.
11947 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11949 * Makefile.in (toplev.o): Depend on $(EXPR_H).
11950 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
11952 * gansidecl.h: Define ATTRIBUTE_NORETURN.
11954 * genattrtab.c: Have insn-attrtab.c include toplev.h.
11956 * genextract.c: Have insn-extract.c include toplev.h.
11958 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
11960 * toplev.c: Include expr.h.
11961 (really_sorry, fancy_abort): Remove prototypes.
11962 (set_target_switch): Add argument in prototype.
11963 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
11964 (v_really_sorry): Likewise.
11965 (print_version, print_single_switch, print_switch_values): Make
11966 static and add prototype arguments.
11967 (decl_printable_name): Add prototype arguments.
11968 (lang_expand_expr_t): New typedef.
11969 (lang_expand_expr): Declare as a lang_expand_expr_t.
11970 (incomplete_decl_finalize_hook): Add prototype argument.
11971 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
11972 (botch): Likewise for variable `s'.
11973 (rest_of_type_compilation): Mark variables `type' and `toplev'
11974 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
11975 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
11976 (display_help): Make variable `i' an `unsigned long'.
11977 (main): Remove unused parameter `envp'.
11978 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
11979 Cast -1 when comparing it with a `size_t'.
11981 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
11982 prototype with ATTRIBUTE_NORETURN.
11983 (fatal_insn_not_found, fatal_insn, really_sorry,
11984 push_float_handler, pop_float_handler): Add prototypes.
11985 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
11986 (do_abort, botch): Add prototypes.
11988 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
11990 * final.c (final): If a label is reached only from a single jump,
11991 call NOTICE_UPDATE_CC on the jump and its predecessor before
11992 emitting the insn after the label.
11994 * i386.h: Add AMD K6 support.
11995 Change TARGET_* macros to use table lookup.
11996 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
11997 (ADJUST_COST): Change definition to call function in i386.c.
11998 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
11999 * i386.c: Add AMD K6 support.
12000 Add constants for feature tests used by TARGET_* macros.
12001 (split_di): If before reload, call gen_lowpart and gen_highpart.
12002 (x86_adjust_cost): New function.
12003 (put_jump_code): New function.
12004 (print_operand): New codes 'D' and 'd'.
12005 * i386.md: New insn types. New insn attribute "memory".
12006 Redefine scheduling parameters to use new types and add AMD K6
12007 support. Explicitly set type of most insns.
12008 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
12009 Pro and K6 prefer movl $1,reg to incl reg.
12010 (adddi3, subdi3): Set cc_status.
12011 (DImode shift patterns): Change label counters from HOST_WIDE_INT
12012 to int; x86 can't have more than 2^31 DImode shifts per file.
12013 (setcc): Combine all setcc patterns. Allow writing memory.
12014 Combine all jump patterns using match_operator.
12015 (*bzero): Name pattern. Emit multiple stos instructions when that
12016 is faster than rep stos.
12017 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
12020 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
12022 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
12025 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
12027 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
12028 not whatever we're generating now.
12030 * alpha.c (set_frame_related_p, FRP): New.
12031 (alpha_expand_prologue): Mark frame related insns.
12032 (alpha_expand_epilogue): Likewise, but with a null FRP.
12033 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
12034 * alpha.md (exception_receiver): New.
12035 * alpha/crtbegin.asm (.eh_frame): New beginning.
12036 (__do_frame_setup, __do_frame_takedown): New.
12037 * alpha/crtend.asm (.eh_frame): New ending.
12038 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
12039 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
12040 (ASM_FILE_START): Don't emit .file for dwarf2.
12042 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
12043 * rtl.c (reg_note_name): Likewise.
12044 * rtl.texi (REG_NOTES): Likewise.
12045 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
12048 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
12050 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
12051 * i386.md (movsf, movdf, movxf): Validate memory address returned
12052 from force_const_mem. Kill useless REG_EQUAL setting code.
12054 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
12056 * m68k.md (zero_extendsidi2): Fix typo.
12058 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
12060 * configure.in: Removed references to the removed file.
12061 * config/xm-netbsd.h: Use ${cpu_type}/xm-netbsd.h for
12062 arm*-*-netbsd* and ns32k-*-netbsd*.
12063 * config/i386/xm-netbsd.h: Removed unnecessary file.
12064 * config/m68k/xm-netbsd.h: Likewise.
12065 * config/sparc/xm-netbsd.h: Likewise.
12066 * config/mips/xm-netbsd.h: Likewise.
12068 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
12070 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
12071 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
12073 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
12074 for exact section attributions.
12076 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
12078 * i386/crtdll.h (CPP_PREDEFINES): Define.
12080 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
12082 * m68k.md (5200 movqi): Do not allow byte sized memory references
12083 using address regs.
12084 * m68k.c (output_move_qimode): Do not use byte sized operations on
12087 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
12088 explicit rules for building. Similarly for alloca, vfprintf,
12089 choose-temp and mkstemp, getopt, getopt1, and obstack.
12090 (INCLUDES): Add $(srcdir)/../include.
12091 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
12092 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
12094 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
12096 * gcc.c (do_spec_1): [case 'o'] Account for
12097 lang_specific_extra_outfiles.
12098 (main): Correctly clear all slots in outfiles for
12099 lang_specific_extra_outfiles. Set input_file_number before
12100 calling lang_specific_pre_link.
12102 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
12104 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
12106 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12108 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
12110 (sparc_output_deferred_case_vectors): If no work to do, return.
12111 Fix thinko in Sept 1 change.
12113 1998-09-03 SL Baur <steve@altair.xemacs.org>
12115 * Makefile.in: Add semicolon in BISON definition for portability.
12117 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
12119 * config/nextstep.c (handle_pragma): Correct name of third
12122 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
12124 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
12125 * config/m32r/m32r.h: Make register 17 be fixed.
12126 * config/m32r/m32r.c: Use SImode for cc operations.
12128 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
12130 * invoke.texi (Warning Options): Add -Wnon-template-friend
12133 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
12135 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
12137 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@gnu.org>
12139 * rs6000.md (movsf): Disable explicit secondary-reload-like
12140 functionality if TARGET_POWERPC64.
12141 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
12144 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
12146 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
12147 and term.h from fixinc.wrap.
12149 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12151 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
12152 safe to include both string.h and strings.h together.
12153 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
12154 which headers to search for function declarations. Continue to
12155 prefer string.h over strings.h when both are not acceptable.
12157 * acconfig.h (STRING_WITH_STRINGS): Add stub.
12159 * configure.in: Call GCC_HEADER_STRING.
12161 * system.h: Test STRING_WITH_STRINGS when deciding which headers
12162 to include. Continue to prefer string.h over strings.h when both
12163 are not acceptable.
12165 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12167 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
12168 not assume top 32-bits of symbolic addresses are zero if
12171 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
12173 * ginclude/va-alpha.h: Protect entire second portion of the
12174 file against double inclusion.
12176 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
12178 Added support for the Boehm's garbage collector.
12179 * configure.in: Handle --enable-objc-gc.
12180 * configure: Rebuilt.
12181 * Makefile.in (CHECK_TARGETS): Add check-objc.
12182 (check-objc): New rule.
12183 * objc/Make-lang.in: Build a different Objective-C library that
12184 runs with the Boehm's collector.
12185 * objc/encoding.c (objc_round_acc_size_for_types): New function.
12186 * objc/encoding.c: Correctly compute the size of compound types in
12187 the presence of bitfields. Skip the variable name of the type if
12188 any. Added support for long long.
12189 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
12190 (_F_GCINVISIBLE): New mask.
12191 * objc/gc.c: New file. Compute the type memory mask associated with
12192 a class based on the runtime information.
12193 * objc/misc.c: Added the hooks that use the Boehm's collector
12194 allocation functions.
12195 * objc/objc-act.c (build_class_template): Generate a new class
12196 member (gc_object_type) to hold the class' type memory mask.
12197 (build_shared_structure_initializer): Initialize the new member to
12199 (encode_complete_bitfield): New function. Generate the new
12201 (encode_field_decl): Generate the new encoding only for the GNU
12203 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
12205 (class_get_gc_object_type): New function to mark a pointer instance
12206 variable as a weak pointer.
12207 * objc/objc-features.texi: New file.
12208 * objc/objc.h (gc_object_type): New class member.
12209 * objc/objects.c (class_create_instance): Create a typed memory
12210 object when compiled with Boehm's collector support.
12211 * objc/sendmsg.c (__objc_init_install_dtable): Call
12212 __objc_send_initialize instead of setting the initialize flag.
12213 (__objc_send_initialize): Call __objc_generate_gc_type_description
12214 to generate the class type memory mask. Rewrite the code that
12215 sends the +initialize so that it is called only once (bug report
12216 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
12217 * testsuite/objc: New testsuite for Objective-C type encoding.
12218 * testsuite/lib/objc-torture.exp: New file.
12219 * testsuite/lib/objc.exp: New file.
12221 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
12223 * jump.c (jump_optimize): In if/then/else transformations, add
12224 another call to modified_between_p for the jump insn.
12226 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
12228 * fix-header.c (symlink): Treat like readlink.
12230 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12232 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
12235 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
12237 * config/nextstep.h: Update HANDLE_PRAGMA macro.
12238 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
12239 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
12241 * config/nextstep.c (handle_pragma): Take three arguments, as per
12242 the new HANDLE_PRAGMA macro specification.
12243 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
12244 per the new HANDLE_PRAGMA macro specification.
12245 * config/i960/i960.c (process_pragma): Take three arguments, as
12246 per the new HANDLE_PRAGMA macro specification.
12248 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
12250 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
12251 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
12252 if unknown pragmas are encountered.
12253 (handle_sysv_pragma): Interpret return code from
12254 handle_pragma_token (). Return success/failure indication rather
12255 than next unprocessed character.
12256 (pragma_getc): New function: retrieves characters from the
12257 input stream. Defined when HANDLE_PRAGMA is enabled.
12258 (pragma_ungetc): New function: replaces characters back into the
12259 input stream. Defined when HANDLE_PRAGMA is enabled.
12261 * c-pragma.c (handle_pragma_token): Return success/failure status
12264 * c-pragma.h: Change prototype of handle_pragma_token().
12266 * varasm.c (handle_pragma_weak): Only create this function if
12267 HANDLE_PRAGMA_WEAK is defined.
12269 * c-common,c (decl_attributes): If defined call the expression
12270 contained within the INSERT_ATTRIBUTES macro before adding
12271 attributes to a decl.
12273 * tm.texi (HANDLE_PRAGMA): Document the new version of
12274 HANDLE_PRAGMA, which takes three arguments.
12275 (INSERT_ATTRIBUTES): Document this new macro.
12277 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
12278 new INSERT_ATTRIBUTES macro.
12280 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12282 * config/sparc/sparc.md (movdf): Only generate special RTL for
12283 LABEL_REFs when PIC.
12284 (move_label_di): Remove.
12285 (movdi_pic_label_ref, movdi_high_pic_label_ref,
12286 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
12287 references when PIC.
12288 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
12289 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
12290 output an .xword for all 64-bit cases.
12292 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12294 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
12295 alignment, use FUNCTION_BOUNDARY instead.
12296 (sparc_output_deferred_case_vectors): Likewise.
12298 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12300 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
12301 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
12303 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
12305 * alpha/va_list.h: New file.
12306 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
12308 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
12310 * NEWS: Add SCO Openserver and Unixware 7 notes.
12314 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
12316 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
12317 (record_constant_1): Handle RANGE_EXPR.
12319 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
12321 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
12322 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
12323 and NOTE_INSN_RANGE_END specially.
12324 (reemit_notes): Likewise.
12326 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12328 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
12329 (ultrasparc_sched_init): Remove unneeded &.
12331 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
12333 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
12334 for m68020-60, to prevent the use of fintrz.
12336 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
12338 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
12340 * Makefile.in: Likewise.
12341 * configure: Regenerated.
12343 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
12345 * configure.in (gxx_include_dir): Changed to
12346 '${prefix}/include/g++'-${libstdcxx_interface}.
12347 * configure: Rebuilt.
12349 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
12351 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
12353 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
12354 *sequences* *below* which scalar moves will be used.
12356 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
12358 * collect2.c (mktemp): Delete unused declaration.
12360 * config/xm-netbsd.h: Remove unnecessary file.
12361 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
12362 file anymore, it is not needed.
12364 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
12366 * convert.c (convert_to_integer): Issue an error on conversions to
12369 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
12371 * Makefile.in: Add lang_tree_files and gencheck.h.
12372 * configure.in: Generate them.
12373 * gencheck.c: Include gencheck.h.
12375 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12377 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
12378 movdi_lo_sum_pic and movdi_high_pic and make visible.
12379 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
12380 emit these when Pmode is not SImode.
12381 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
12383 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
12385 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
12386 .linkonce directive after the first time.
12388 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
12390 * m68k.md (beq0_di): Generate correct (and more efficient) code when
12391 the clobbered operand overlaps with an input.
12392 (bne0_di): Similarly.
12394 * Makefile.in (INSTALL): Remove "--no-header" argument.
12396 * NEWS: Various updates.
12398 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12400 * config/sparc/sparc.c (arith_operand, const64_operand,
12401 const64_high_operand, arith_double_4096_operand): Mark mode as
12403 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
12405 (sparc_emit_set_const64): Remove unused variable i.
12406 (sparc_splitdi_legitimate): Likewise for addr_part.
12407 (ultra_code_from_mask): Likewise for mask.
12408 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
12409 reverse return values so it matches usage and comments.
12410 (ultra_flush_pipeline): Likewise.
12411 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
12412 this_type, and allow loads and stores of differing FP modes as
12413 they do not create a conflict.
12414 (ultra_find_type): Initialize fpmode to SFmode, fix
12415 parenthesization thinkos in large conditional.
12416 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
12417 Init free_slot_mask after ultra_cur_hist is reset, not before.
12418 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
12419 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
12420 use ultra_flush_pipeline instead, then re-init group pointer.
12421 Fix statement with no effect. If no progress made in, and no
12422 instructions scheduled at all, advance to new pipeline cycle else
12423 we get into an endless loop.
12424 (ultrasparc_adjust_cost): Remove previous arg.
12425 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
12427 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
12429 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
12430 code. Use reg_overlap_mentioned_p to detect when source and
12431 destination overlap.
12432 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
12434 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
12436 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
12437 COMPARISON_VAL, into invariant_p.
12439 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12441 * regmove.c (regclass_compatible_p): New function.
12442 (regmove_optimize): Use it.
12444 Use NREGS parameter instead of calling max_reg_num.
12446 (fixup_match_1): Don't use code = MINUS when later tieing with
12447 a hard register is likely.
12449 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12451 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
12452 COMPARISON_VAL was normalized.
12454 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
12456 * loop.c (check_dbra_loop): The loop ending comparison value
12457 must be an invariant or we can not reverse the loop.
12459 * loop.c (scan_loop): Count down from max_reg_num - 1 to
12460 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
12462 (load_mems_and_recount_loop_regs_set): Likewise.
12464 * i386.c (print_operand): Remove obsolete 'c' docs.
12466 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
12468 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
12469 * frame.c (init_object_mutex): New function.
12470 (init_object_mutex_once): Likewise.
12471 (find_fde): Call it.
12472 (__register_frame_info): Likewise.
12473 (__register_frame_info_table): Likewise.
12474 (__deregister_frame_info): Likewise.
12476 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
12478 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
12480 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12482 * loop.c (check_dbra_loop): Enable code for reversal
12483 of some loops without a known constant loop end.
12485 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
12487 * haifa-sched.c (last_clock_var): New.
12488 (schedule_block): Initialize it.
12489 (schedule_insn): Use it to fill insn modes with issue information.
12491 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
12492 Tag trapb and next insn with TImode.
12493 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
12494 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
12495 Invoke alphaev5_align_insns as appropriate.
12496 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
12497 (MD_SCHED_VARIABLE_ISSUE): New.
12498 * alpha.md (attr type): Add multi.
12499 (define_asm_attributes): New.
12500 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
12501 (arg_home): Likewise.
12502 (fnop, unop, realign): New.
12504 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
12506 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
12507 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
12509 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
12510 (rs6000-ibm-aix4.[12]*): Likewise.
12511 * configure: Regenerate.
12513 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
12515 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
12516 already contains the return address.
12518 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
12520 * calls.c (expand_call): Use bitfield instructions to extract/deposit
12521 word sized hunks when loading unaligned args into registers.
12523 * haifa-sched.c (sched_analyze_insn): Only create scheduling
12524 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
12526 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
12528 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12530 * loop.c (check_dbra_loop): Add some code that would allow reversal
12531 of some loops without a known constant loop end if it were enabled.
12533 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
12535 * mips.md (lshrsi3_internal2+2): Fix type-o.
12537 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12539 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
12540 correctly with regards to stdio.h.
12542 * calls.c: Remove stdarg.h/varargs.h.
12543 * cccp.c: Likewise.
12544 * cexp.y: Likewise.
12545 * combine.c: Likewise.
12546 * cpperror.c: Likewise.
12547 * cpplib.c: Likewise.
12548 * cpplib.h: Likewise.
12549 * doprint.c: Likewise.
12550 * emit-rtl.c: Likewise.
12551 * final.c: Likewise.
12552 * fix-header.c: Likewise.
12554 * genattr.c: Likewise.
12555 * genattrtab.c: Likewise.
12556 * gencodes.c: Likewise.
12557 * genconfig.c: Likewise.
12558 * genemit.c: Likewise.
12559 * genextract.c: Likewise.
12560 * genflags.c: Likewise.
12561 * genopinit.c: Likewise.
12562 * genoutput.c: Likewise.
12563 * genpeep.c: Likewise.
12564 * genrecog.c: Likewise.
12565 * mips-tfile.c: Likewise.
12566 * prefix.c: Likewise.
12567 * protoize.c: Likewise.
12568 * regmove.c: Likewise.
12569 * toplev.c: Likewise.
12570 * tree.c: Likewise.
12572 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
12574 * config/sparc/sparc.c (sparc_override_options): If not
12575 TARGET_FPU, turn off TARGET_VIS.
12576 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
12577 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
12578 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
12579 (movdi_insn_sp64): Add VIS fzero alternative.
12580 (clear_sf, clear_df): New VIS patterns.
12581 (movsf, movdf expanders): Allow fp_zero_operand flat out when
12583 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
12585 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
12587 * loop.c (n_times_set, n_times_used, may_not_optimize,
12588 reg_single_usage): Convert to varrays. All uses changed.
12589 (insert_loop_mem): Return a value.
12590 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
12591 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
12594 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
12597 * configure.in: Do not set thread_file to "irix" since no such
12598 support exists yet.
12600 * sparc.md (float abs/neg splits): Check reload_completed before
12601 calling alter_subreg.
12603 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12605 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
12607 * config/sparc/sparc.h: Declare it.
12608 * config/sparc/sparc.md (float abs/neg splits): Use it.
12609 (all other splits): Handle SUBREGs properly where necessary.
12610 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
12612 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
12614 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
12615 an insn on the unfilled_slots_list that has no delay slots.
12616 (fill_eager_delay_slots): Similarly.
12618 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
12620 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
12621 as an ordinary operand.
12623 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
12625 * tree.c (valid_machine_attribute): Don't apply attributes to both
12628 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
12630 * reload.c (operands_match_p): Handle rtvecs.
12632 * i386.c (legitimate_pic_address_disp_p): New.
12633 (legitimate_address_p): Use it.
12634 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
12635 Handle constant pool symbols just like statics.
12636 (emit_pic_move): Use Pmode not SImode for clarity.
12637 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
12638 [UNSPEC]: New, handling what we killed above.
12639 [PLUS]: Detect and abort on invalid symbol arithmetic.
12640 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
12642 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
12644 * alias.c: Include output.h.
12645 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
12646 different if we're in a varargs function.
12647 * Makefile.in (alias.o): Depend on output.h
12649 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12651 * sh.h (GIV_SORT_CRITERION): Delete.
12653 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
12655 * regclass.c (regclass): Use xmalloc/free instead of alloca.
12656 * stupid.c (stupid_life_analysis): Likewise.
12657 * reload1.c (reload): Likewise.
12659 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
12661 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
12662 arith_double_4096_operand, arith_double_add_operand): New
12664 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
12665 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
12666 them to transform add/sub 4096 into add/sub -4096.
12668 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12670 * loop.c (scan_loop): Allocate some slop to handle pseudos
12671 generated by move_movables.
12672 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
12675 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
12677 * tree.def (DECL_RESULT): Correct documentation.
12679 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12681 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
12682 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
12683 conflicts will all RELOAD_FOR_OUTPUT reloads.
12685 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
12686 loads the function result, substitute with a USE.
12688 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@gnu.org>
12690 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
12691 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
12692 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
12693 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
12694 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
12695 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
12697 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
12698 'o' to 'm' for GPR variant constraints.
12700 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
12702 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
12704 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
12706 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
12707 when the source and destination overlap.
12709 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
12710 clash with global type.
12712 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
12714 * fixinc.irix: Add curses.h handling from fixinc.wrap.
12716 * c-common.c (combine_strings): Also set TREE_READONLY.
12717 Change warn_write_strings to flag_const_strings.
12718 * c-decl.c, c-tree.h: Likewise.
12720 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12722 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
12723 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
12724 sequence, use SET/IOR instead so CSE can see it.
12725 * config/sparc/sparc.md (movhi_const64_special,
12726 movsi_const64_special): New patterns necessitated by that change.
12727 (movhi_high): Remove.
12728 (movhi_lo_sum): Change to match an IOR.
12729 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
12730 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
12731 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
12732 (movdf splits): Allow when not V9 or when not ARCH64 and integer
12733 registers are involved.
12734 (snesi_zero_extend split): Remove reload_completed test.
12735 (unnamed plus and minus zero_extend sidi splits): Add it.
12737 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
12739 * extend.texi: Remove description of extension to explicit
12740 instantiation that is now endorsed by standard C++.
12742 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12744 * config/arc/arc.c (arc_initialize_pic): Remove.
12745 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
12746 nothing on any platform and is invoked by no-one, it does not even
12747 appear in the documentation.
12748 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
12749 * config/sparc/sparc.c (initialize_pic): Likewise.
12750 (find_addr_reg): Remove this as well, no longer referenced after
12753 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
12755 * recog.c (validate_replace_rtx_group): New function.
12756 * recog.h (validate_replace_rtx_group): Declare it.
12757 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
12758 the entire group of substitutions.
12760 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
12762 * loop.c (load_mems): Fix initializers.
12764 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12766 * config/sparc/sparc.md (TFmode splits): Handle destination
12767 registers being referenced in the address correctly.
12769 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
12770 TREE_UNSIGNED, when bitsize of type's mode is larger than
12771 HOST_BITS_PER_WIDE_INT.
12773 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
12775 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
12776 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
12777 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
12779 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
12782 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
12784 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
12785 * h8300.h (TINY_DATA_NAME_P): Likewise.
12786 (STRIP_NAME_ENCODING): Handle '&'.
12788 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
12789 register (it could be accessed via an outer SUBREG).
12790 (REG_OK_FOR_BASE_P): Likewise.
12791 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
12793 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
12796 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
12798 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12800 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
12801 must be offsettable so the splits can be made.
12803 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
12805 * config/i386/winnt.c: Include system.h, not stdio.h to get
12806 sys/param.h pulled in before rtl.h in case the system defines MIN
12809 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@gnu.org>
12811 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
12813 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
12815 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
12817 * cpplib.c (cpp_define): Handle macros with parameters.
12819 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@gnu.org>
12821 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
12822 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
12823 and DImode 64-bit. Use llong for minimal-toc SFmode and
12824 SYMBOL_REF / LABEL_REF 64-bit.
12825 (output_function_profiler): Use llong for profiler label and ld to
12826 load 64-bit label address.
12828 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
12830 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
12833 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
12835 * version.c: Bump for snapshot.
12837 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
12839 * version.c: Bump for snapshot.
12841 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
12843 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
12845 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
12847 * tm.texi (Misc): Fix typo "teh".
12849 * tm.texi (PIC): Fix typo "PPIC".
12851 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
12852 effect when -O2 and higher.
12853 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
12855 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
12857 * regclass.c: Changed register set documentation to be consistent
12860 * final.c (final_start_function) Removed redundant test for
12863 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
12865 * rtl.h (rtx_function): New type.
12866 (for_each_rtx): New function.
12867 * rtlanal.c (for_each_rtx): Define it.
12869 * recog.c (change_t): New type.
12870 (change_objects, change_old_codes, change_locs, change_olds):
12872 (changes): New variable.
12873 (validate_change): Dynamically allocate room for more changes, if
12874 necessary. Uses changes array instead of change_objects, etc.
12875 (apply_change_group): Use changes array instead of
12876 change_objects, etc.
12878 * loop.c (loop_mem_info): New type.
12879 (loop_mems): New variable.
12880 (loop_mems_idx): Likewise.
12881 (looop_mems_allocated): Likewise.
12882 (scan_loop): Remove nregs parameter.
12883 (next_insn_in_loop): New function.
12884 (load_mems_and_recount_loop_regs_set): Likewise.
12885 (load_mems): Likewise.
12886 (insert_loop_mem): Likewise.
12887 (replace_loop_mem): Likewise.
12888 (replace_label): Likewise.
12889 (INSN_IN_RANGE_P): New macro.
12890 (loop_optimize): Don't pass max_reg_num() to scan_loop.
12891 (scan_loop): Remove nregs parameter, compute it after any new
12892 registers are created by load_mems. Use INSN_IN_RANGE_P and
12893 next_insn_in_loop rather than expanding them inline. Call
12894 load_mems to load memory into pseudos, if appropriate.
12895 (prescan_loop): Figure out whether or not there are jumps from the
12896 loop to targets other than the label immediately following the
12897 loop. Call insert_loop_mem to notice all the MEMs used in the
12898 loop, if it could be safe to pull MEMs into REGs for the duration
12900 (strength_reduce): Use next_insn_in_loop. Tweak comments.
12902 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
12904 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
12906 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12908 * config/sparc/sparc.c (finalize_pic): Check for the correct
12909 nonlocal_goto_receiver UNSPEC number.
12910 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
12911 making note of this dependency existing in sparc.c.
12912 (negtf2_notv9 split): Give NEG SFmode.
12913 (negsf2): Fix insn output string.
12915 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
12917 * c-common.c (decl_attributes): Issue an error if the argument
12918 to alias is not a string.
12920 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
12922 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
12923 pending memory flush list.
12925 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
12927 (try_combine): Allow combining insns with REG_LIBCALL notes.
12929 * expr.c (emit_block_move): Do not call memcpy as a libcall
12930 instead build up a CALL_EXPR and call it like any other
12932 (clear_storage): Similarly for memset.
12934 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
12937 * Makefile.in (cplus-dem.o): Provide explicit rules for building
12940 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
12941 and REG_LIVE_LENGTH as successful substitutions are made.
12943 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12945 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
12946 statement after end of loop label.
12948 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12950 * config/sparc/sparc.c (ultra_types_avail): New variable.
12951 (ultra_build_types_avail): New function to record mask of insn
12952 types in ready list at this cycle.
12953 (ultrasparc_sched_reorder): Call it.
12954 (ultra_find_type): Use it to quicken the search. Also simplif
12955 dependency check, don't use rtx_equal_p because we know exactly
12956 what we are looking for.
12958 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
12960 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
12961 for architecture v4.
12963 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12965 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
12967 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
12968 movdf_const_intreg and helper splits): New patterns to move float
12969 constants into integer registers.
12970 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
12973 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
12976 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
12978 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
12980 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
12981 a BASE_REGS register is needed as an intermediate when copying
12982 a symbolic value into any register class other than BASE_REGS.
12984 * expr.c (move_by_pieces): No longer static. Remove prototype.
12985 * rtl.h (move_by_pieces): Add extern prototype.
12986 * mips.c (expand_block_move): Handle aligned straight line copy by
12987 calling move_by_pieces.
12989 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
12992 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
12994 * stmt.c (expand_end_loop): Tidy. Allow unconditional
12995 jumps out of the loop to be treated as part of the exit test.
12997 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12998 Jeff Law <law@cygnus.com>
13000 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
13001 * cplus-dem.c: Delete.
13003 * Makefile.in (fold-const.o): Depend on $(RTL_H).
13005 * fold-const.c: Include rtl.h to get the prototype for
13006 `set_identifier_local_value'.
13008 * loop.c (express_from_1): Remove unused variable `tmp'.
13009 (combine_givs): Cast the first argument of bzero to char *.
13011 * toplev.c (display_help): Remove unused variable `looking_for_start'.
13013 * c-decl.c (init_decl_processing): Remove unneeded &.
13015 * alpha.h (alpha_initialize_trampoline): Provide prototype.
13017 * except.c (set_exception_lang_code, set_exception_version_code):
13018 Change parameter from `short' to `int' to avoid using a gcc
13021 * except.h (set_exception_lang_code, set_exception_version_code):
13022 Likewise for prototypes.
13024 * flow.c (count_reg_references): Remove unused variables `regno'
13027 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
13029 * prefix.c (translate_name): Cast the result of `alloca'.
13031 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
13033 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
13035 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
13036 Include "toplev.h".
13037 (valid_dbcc_comparison_p): Mark mode argument as unused.
13038 (symbolic_operand): Likewise.
13039 (legitimize_pic_address): Likewise.
13040 (const_uint32_operand): Likewise.
13041 (const_sint32_operand): Likewise.
13042 * sched.c [!INSN_SCHEDULING]: Define only dummy function
13043 schedule_insns and comment out rest of file.
13045 * m68k.c (output_move_simode_const): Use subl to move a zero into an
13047 (output_move_[hq]imode): Likewise.
13049 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
13051 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
13052 * invoke.texi: Corresponding changes.
13054 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
13056 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
13058 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13060 * config/sparc/sparc.c (ultra_code_from_mask,
13061 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
13062 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
13063 ultrasparc_sched_init, ultrasparc_variable_issue,
13064 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
13065 functions to describe UltraSPARC pipeline exactly to Haifa.
13066 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
13067 as there is nothing the scheduler can do about it. Indicate that
13068 REG_DEP_OUTPUT's collide. Fixup formatting.
13069 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
13070 divide costs on Ultra for DImode.
13071 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
13073 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
13074 ieuN and add call_no_delay_slot to type list.
13075 (cti function unit): New unit for branches on UltraSPARC.
13076 (subx/addx insns): Set type to misc.
13077 (sidi zero/sign extension insns on arch64): Set type to shift.
13078 (sign_extendhidi2_insn): Set type to sload.
13080 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@gnu.org>
13082 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
13083 (output_epilog): Use if != 0 for offset.
13084 (rs6000_fatal_bad_address): Prepare for Intl.
13085 * rs6000.h (rs6000_fatal_bad_address): Declare.
13086 * rs6000.md (movsfcc, movdfcc): Use else if.
13087 (elf_high): Use {liu|lis}.
13088 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
13089 (movsi): Use rs6000_fatal_bad_address.
13091 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
13093 * reload.c (find_equiv_reg): Reject equivalences separated
13094 by a volatile instruction.
13096 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13098 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
13100 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
13102 * alpha.md (movsicc): Fix mode mismatch.
13104 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
13106 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
13108 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
13110 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13112 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
13113 write-only modifier from operand 1 constraint.
13115 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13117 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
13118 emitting a XOR of -1 at the end, emit a NOT instead for combine's
13120 (sparc_emit_set_const64): Likewise, also when computing trailing
13121 bits do not negate low_bits and make fast_int an int.
13123 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
13125 * loop.c (add_label_notes): Do not ignore references to labels
13126 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
13127 * gcse.c (add_label_notes): Similarly.
13129 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
13131 * m68k.md (adddi_dilshr32): One of the operands must be a register.
13132 (adddi_dishl32): Similarly.
13134 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
13136 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
13137 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
13138 * cse.c (cse_basic_block): Add parens to shut up warnings.
13140 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13142 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
13143 sparc_emit_set_const64_longway, const64_is_2insns,
13144 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
13145 in 64-bit constant formation.
13146 * config/sparc/sparc.md (snesi_zero_extend split): Generate
13147 rtl for addx not subx.
13148 (define_insn movdi_const64_special): Make available even when
13149 HOST_BITS_PER_WIDE_INT is not 64.
13150 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
13151 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
13152 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
13153 instances of operand 1 inside a QI subreg.
13154 (xordi3_sp64_dbl): Remove '%' constraint for op1.
13155 (one_cmpldi2_sp64): Fix output string.
13156 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
13158 (unnamed arch64 ashift DI): Truncate shift count if greater than
13161 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
13163 * expr.c (store_expr): Don't optimize away load-store pair
13164 when either source or destination have a side effect.
13166 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
13168 * genrecog.c (add_to_sequence): Fatal error if the modes of the
13169 operands of SET are incompatible.
13171 * alpha.md: Fix max and min patterns so modes of SET operands match.
13173 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
13175 * configure.in: Avoid [[ by using test and changequote.
13176 * configure: Rebuild.
13178 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13180 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
13182 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
13183 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
13184 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
13185 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
13186 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
13187 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
13188 Fix mismatching modes in SET operands.
13189 (conditional move patterns): Fix formatting.
13190 (unnamed subx arch64 pattern): Remove duplicate insn.
13192 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13194 * config/sparc/sparc.c (const64_operand, const64_high_operand):
13195 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
13196 (input_operand): Fixup test for what we accept for constant
13198 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
13200 (safe_constDI): Remove.
13201 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
13202 gen_safe_XOR64): New functions.
13203 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
13204 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
13206 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
13207 available when HOST_BITS_PER_WIDE_INT is not 64.
13208 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
13209 move before movdi_insn_sp64 pattern.
13210 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
13211 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
13212 symbolic_operand as predicate for second operand.
13213 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
13214 expander): Give set VOIDmode.
13216 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
13218 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
13220 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
13222 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
13224 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
13226 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
13228 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
13230 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
13232 * install.texi: Various SCO OpenServer tweaks.
13234 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
13236 * reload1.c (eliminate_regs_in_insn): Handle another case when
13237 eliminating the frame pointer to the hard frame pointer. Add
13238 missing ep->to_rtx check to one existing case.
13240 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
13242 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
13244 * tree.h: De-conditionalize init_priority code.
13246 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
13247 * collect2.c (NM_FLAGS): Change from -p to -n.
13249 * configure.in: Turn on collect2 for mipstx39-elf.
13250 Handle use_collect2=no properly.
13252 * c-common.c: De-conditionalize init_priority code.
13253 * collect2.c (extract_init_priority, sort_ids): New fns.
13254 (main): Call sort_ids.
13255 Move sequence_number to file scope.
13257 * configure.in: Handle --enable-init-priority.
13258 * c-common.c (attrs): Add A_INIT_PRIORITY.
13259 (init_attributes, decl_attributes): Likewise.
13260 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
13261 * tree.c (get_file_function_name_long): Split out...
13262 (get_file_function_name): ...from here.
13264 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
13266 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
13269 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
13271 * toplev.c (display_help): Add braces to shut up warnings.
13272 * tree.c (simple_cst_equal): Likewise.
13274 * fold-const.c (non_lvalue): Don't deal with null pointer
13276 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
13278 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
13279 of any size to a pointer.
13281 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
13283 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
13285 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
13287 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
13288 which will be saved.
13289 * mn10300.md (prologue insn): Only save registers which need saving.
13290 (epilogue insn): Similarly.
13292 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
13295 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
13297 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
13298 VAR_DECL's in gp addressable sections.
13300 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
13302 * sparc.c: Change return <exp> to <exp>; return; in functions
13304 * sparc.md: Add empty semicolon statement after final label in
13307 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13309 * config/sparc/sparc.md (define_insn addx_extend): Rename to
13310 addx_extend_sp64, only allow when TARGET_ARCH64.
13311 (define_insn addx_extend_sp32 and split): Version that works when
13313 (define_insn subx_extend): Likewise.
13314 (define_split adddi3 and subdi3 with zero extension): Fixup and
13315 correct bugs when not TARGET_ARCH64.
13317 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
13319 * except.c (set_exception_lang_code, set_exception_version_code):
13320 Use prototype-style definition if __STDC__, to match declaration
13323 * genemit.c: Change FAIL and DONE macros not to use loops.
13325 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
13327 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
13328 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
13330 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
13332 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
13334 * README.g77: Update from Craig.
13336 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13338 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
13339 type HOST_WIDE_INT.
13340 (safe_constDI sparc_emit_set_const64_quick1,
13341 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
13342 analyze_64bit_constant, const64_is_2insns,
13343 create_simple_focus_bits): Fix some bugs when compiled on real
13345 (function_arg_record_value_3, function_arg_record_value_2,
13346 function_arg_record_value): Add fully prototyped forward decls.
13347 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
13348 to cmpsi_insn and use on both 64 and 32 bit targets.
13349 (define_insn cmpsi_insn_sp64): Remove.
13350 (define_expand zero_extendsidi2): Allow for 32-bit target too.
13351 (define_insn zero_extendsidi2_insn): Rename to
13352 zero_extendsidi2_insn_sp64.
13353 (define_insn zero_extendsidi2_insn_sp32): New pattern and
13354 associated forced split for it.
13356 * config/sparc/sparc.c (const64_operand, const64_high_operand):
13358 * config/sparc/sparc.h: Declare them.
13359 (PREDICATE_CODES): Add them.
13360 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
13361 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
13363 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
13365 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
13366 in v9 case as the latter makes the Solaris assembler crash.
13368 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13370 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
13371 for TFmode when !v9. We require offsettable memory addresses.
13372 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
13373 DFmode register number conversions.
13374 * config/sparc/sparc.md (define_split DFmode moves): If register
13375 is a SUBREG do alter_subreg on it before using.
13376 (define_expand movtf): Fixup comment about alignment on v9.
13377 (define_split TFmode moves): Don't use gen_{high,low}part, create
13378 explicit SUBREGs instead.
13380 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
13382 * Makefile.in (mbchar.o): Depend on mbchar.c.
13384 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13385 Richard Henderson <rth@cygnus.com>
13387 Rewrite Sparc backend for better code generation and
13388 improved sparc64 support.
13389 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
13391 * config/sparc/sysv4.h: Likewise.
13392 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
13393 move_operand, v8plus_regcmp_op, emit_move_sequence,
13394 singlemove_string, doublemove_string, mem_aligned_8,
13395 output_move_double, output_move_quad, output_fp_move_double,
13396 move_quad_direction, output_fp_move_quad, output_scc_insn):
13398 (small_int_or_double): New predicate.
13399 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
13400 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
13401 old pic_{sethi,lo_sum}_si patterns.
13402 (mem_min_alignment): New generic function to replace
13403 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
13404 available and can test for arbitrary alignments. All callers
13406 (save_regs, restore_regs, build_big_number,
13407 output_function_prologue, output_cbranch, output_return,
13408 sparc_flat_save_restore, sparc_flat_output_function_prologue,
13409 sparc_flat_output_function_epilogue): Prettify
13411 (output_function_epilogue): Likewise and add code to output
13412 deferred case vectors.
13413 (output_v9branch): Likewise, add new arg INSN and use it to tack
13414 on branch prediction settings. All callers changed.
13415 (print_operand): Likewise and output %l44 for LO_SUMs when
13417 (sparc_splitdi_legitimate): New function to make sure DImode
13418 splits can be run properly when !arch64.
13419 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
13420 Reformat example code in comments.
13421 (set_extends): Remove UNSPEC/v8plus_clear_high case.
13422 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
13423 of deferred case vectors we need to output.
13424 (sparc_defer_case_vector): Record a case vector.
13425 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
13426 sparc_output_deferred_case_vectors): New functions to output them.
13427 (sparc_emit_set_const32): New function to form 32-bit constants in
13428 registers when that requires more than one instruction.
13429 (safe_constDI, sparc_emit_set_const64_quick1,
13430 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
13431 analyze_64bit_constant, const64_is_2insns,
13432 create_simple_focus_bits, sparc_emit_set_const64): New functions
13433 which do the same for 64-bit constants when arch64.
13434 (sparc_emit_set_symbolic_const64): New function to emit address
13435 loading for all code models on v9.
13436 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
13437 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
13438 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
13439 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
13440 inaccuracies in comments, add symbolic and text_segment operands
13441 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
13442 GENERAL_REGS in these cases as a temp REG is needed to load these
13443 addresses into a register properly.
13444 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
13446 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
13447 quads are guaranteed to have 16-byte alignment.
13448 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
13449 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
13450 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
13451 deferred case vector implementation.
13452 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
13453 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
13454 Generate "internal label - label" instead of "label - 1b".
13455 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
13456 (PREDICATE_CODES): Remove sparc_operand, move_operand,
13457 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
13459 (doublemove_string, output_block_move, output_fp_move_double,
13460 output_fp_move_quad, output_move_double, output_move_quad,
13461 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
13462 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
13463 (sparc_emit_set_const32, sparc_emit_set_const64,
13464 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
13465 mem_min_alignment, small_int_or_double): Add externs.
13466 * config/sparc/sparc.md: Document the many uses of UNSPEC and
13467 UNSPEC_VOLATILE in this backend.
13468 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
13469 unary to types which execute in it.
13470 (define_function_unit ieu_shift): Rename to ieu0.
13471 (define_function_unit ieu1): New, executes compare, call, and
13472 uncond_branch type insns.
13473 (define_function_units for type fdivs, fdivd, fsqrt): These
13474 execute in the fpu multiply unit not the adder on UltraSparc.
13475 (define_expand cmpdi): Disallow TARGET_V8PLUS.
13476 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
13477 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
13478 allows the arith_double_operand predicate and rHI constraint when
13480 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
13481 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
13482 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
13483 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
13484 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
13485 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
13486 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
13487 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
13488 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
13489 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
13490 sign_extendqihi2_insn, sign_extendqisi2_insn,
13491 sign_extendqidi2_insn, sign_extendhidi2_insn,
13492 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
13493 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
13494 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
13495 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
13496 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
13497 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
13498 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
13499 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
13500 smulsi3_highpart_v8plus, unnamed subreg mult,
13501 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
13502 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
13503 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
13504 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
13505 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
13506 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
13507 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
13508 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
13509 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
13510 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
13511 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
13512 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
13513 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
13514 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
13515 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
13516 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
13517 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
13518 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
13519 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
13520 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
13521 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
13522 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
13523 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
13524 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
13525 call_address_untyped_struct_value_sp32,
13526 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
13527 call_value_symbolic_sp32, call_value_address_sp64,
13528 call_value_symbolic_sp64, branch_sp32, branch_sp64,
13529 flush_register_windows, goto_handler_and_restore,
13530 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
13531 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
13532 return_addsi, return_di, return_adddi, return_sf, all call+jump
13533 peepholes, trap, unnamed trap insns): Prettify output strings.
13534 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
13535 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
13536 Likewise and force + implement splits for integer cases.
13537 (define_insn return_sf_no_fpu): Likewise and allow to match when
13538 no-fpu because of our subreg SFmode splits.
13539 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
13540 zero_extendqidi2_insn, zero_extendhidi2_insn,
13541 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
13542 input_operand for second operand.
13543 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
13544 reg_or_0_operand for operand 2 so new splits can use it.
13545 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
13546 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
13548 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
13549 CONST_DOUBLEs for operand 2.
13550 (define_insn move_label_di): Likewise and label distance
13551 optimization because it no longer works with new deferred case
13552 vector scheme. To be revisited.
13553 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
13554 and allow reg_or_0_operand and J constraint for second operand.
13555 (define_insn jump): Set branch predict taken on V9.
13556 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
13557 new deferred case vector scheme.
13558 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
13559 (define_insn negdi2_sp32): Force + implement splits.
13560 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
13561 one_cmplsi2_not_liveg0 respectively, and create expander of original
13562 names which emit special rtl for TARGET_LIVE_G0.
13563 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
13564 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
13565 gen_compare_reg, FAIL instead.
13566 (define_insn sgtu, sleu): Likewise and check gen_s*() return
13567 values when trying to reverse condition codes, if they FAIL then
13569 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
13570 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
13571 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
13572 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
13573 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
13574 set output string to # to indicate they are mandatory splits.
13575 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
13576 pic_sethi_di, move_pic_label_si): Remove.
13577 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
13578 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
13580 (define_expand movsi_pic_label_ref, define_insn
13581 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
13582 expander and insns to handle PIC label references and deferred
13584 (define_insn get_pc_via_rdpc): Comment out as it is no longer
13586 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
13587 Rewrite to not use emit_move_sequence, make use of new constant
13588 formation code, and new splits for all multi-insn cases.
13589 (define_insn movqi_insn): Remove sethi case, it can never happen.
13590 Use reg_or_zero_operand instead of const0_rtx explicit test,
13591 use input_operand instead of move_operand for source, and use
13592 general_operand now for dest.
13593 (define_insn movhi_insn): Similar but leave sethi case.
13594 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
13595 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
13596 movhi_lo_sum respectively, prettify output string.
13597 (define_insn movsi_zero_liveg0): New pattern to put zero into a
13598 register when needed on TARGET_LIVE_G0.
13599 (define_insn movsi_insn): Use general_operand and input_operand
13600 for dest and src respectively. Simplify applicability test.
13601 Prettify output strings, and add clr alternative for J
13603 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
13604 deprecated std and reg-reg DI moves): Remove and...
13605 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
13606 implementation which uses forced splits for all non-single insn
13608 (define_split DI move cases on !arch64): New splits to handle all
13609 situations of 64-bit double register DImode on 32bit, and
13610 unaligned registers and memory addresses for all subtargets.
13611 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
13613 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
13614 input_operand for dest and src respectively, prettify output
13616 (define_insn movdf_insn, movdf_no_e_insn, store_df,
13617 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
13619 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
13620 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
13621 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
13622 movtf_no_e_insn_sp64) Replace with new
13623 implementation which uses forced splits for all non-single insn
13625 (define_split DF move cases): New splits in similar vein to DI
13627 (define_insn sethi_di_medlow, sethi_di_medium_pic,
13628 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
13629 movdi_sp64_insn): Remove old v9 code model and constant loading
13630 support insns and..
13631 (define_insn pic_lo_sum_di, pic_sethi_di,
13632 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
13633 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
13634 embmedany_sethi, embmedany_losum, embmedany_brsum,
13635 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
13636 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
13637 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
13638 scheme, using unspecs, secondary reloads, and one to one sparc
13639 insn to rtl insn mapping for better scheduling and code gen.
13640 (define_expand reload_indi, reload_outdi): Reload helpers for
13641 MEDANY and EMBMEDANY symbol address loading cases which require a
13642 temporary register.
13643 (define_expand movsicc): Remove v8plus_regcmp cases.
13644 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
13645 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
13646 cmp_diqi_trunc_set): New patterns used by some of the new scc
13648 (define_insn xordi3_sp64_dbl): New pattern used for constant
13649 formation when crossing from 32-bit targets.
13650 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
13652 (define_insn addx, subx): Make visible and prettify.
13653 (define_insn adddi3_insn_sp32): Likewise and force split.
13654 (define_insn addx_extend, subx_extend, unnamed): New patterns for
13655 64bit scc split usage.
13656 (define_insn unnamed plusDI zero_extend, unnamed minusDI
13657 zero_extend, subdi3): Force and implement splits.
13659 * final.c (final_scan_insn): Don't output labels if target
13660 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
13663 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
13664 don't forget to walk inside SEQUENCESs too as these are what the
13665 delay slot scheduler will create.
13667 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
13669 * alpha.md (extxl+1,+2): New patterns to work around
13672 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
13674 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
13675 caused bad assembly code to be generated.
13677 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
13679 * netbsd.h: Fix typo.
13681 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
13683 * config.sub: Fix typo.
13685 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
13687 * invoke.texi (Environment Variables): Typo: Change "ascpects"
13689 (Running Protoize): Typo: Change "ther" into "other".
13691 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
13693 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
13694 * m68k/netbsd.h: Likewise.
13695 * ns32k/netbsd.h: Likewise.
13696 * sparc/netbsd.h: Likewise.
13698 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
13700 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
13701 * ginclude/va-clipper.h (va_list): Likewise.
13703 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
13705 * rs6000.c (rs6000_override_options): If big endian and -Os, use
13706 load/store multiple instructions unless user overrides.
13708 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
13710 * ns32k/netbsd.h: Fix typo.
13712 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
13714 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
13715 labels with .debugsym if no parallel insns.
13717 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
13719 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
13720 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
13722 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@gnu.org>
13724 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
13725 (AR_FOR_TARGET): Define.
13727 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
13729 * dyn-string.h: New file.
13730 * dyn-string.c: Likewise.
13731 * Makefile.in (OBJS): Add dyn-string.o.
13732 (dwarf2out.o): Add dyn-string.h dependency.
13733 (dyn-string.o): List dependencies.
13734 * dwarf2out.c: Include dyn-string.h.
13735 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
13736 (addr_const_to_string): Take a dyn_string_t, not a char* as a
13737 prototype. Use dyn_string_append rather than strcat, throughout.
13738 (addr_to_string): Use dyn_string_t.
13740 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
13742 Function entry/exit profiling instrumentation:
13743 * expr.h (profile_function_entry_libfunc,
13744 profile_function_exit_libfunc): Declare new variables.
13745 * optabs.c: Define them here.
13746 (init_optabs): Initialize them.
13747 * tree.h (struct tree_decl): New flag
13748 no_instrument_function_entry_exit.
13749 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
13750 * c-decl.c (duplicate_decls): Merge it.
13751 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
13752 (init_attributes): Use it for "no_instrument_function".
13753 (decl_attributes): Handle it, for functions that have not yet been
13754 compiled. Set decl flag.
13755 * flags.h (flag_instrument_function_entry_exit): Declare new
13757 * toplev.c (flag_instrument_function_entry_exit): Define it here.
13758 (f_options): New option "instrument-functions".
13759 * function.h (struct function): New field instrument_entry_exit.
13760 * function.c (current_function_instrument_entry_exit): New
13762 (push_function_context_to, pop_function_context_from): Save and
13764 (expand_function_start): Set current_ variable, maybe emit return
13765 label and entry profile call.
13766 (expand_function_end): Maybe emit exit profile call.
13768 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
13770 * i386.md (movqi): When optimizing a load of (const_int 1) into a
13771 NON_QI_REG_P, pretend the register is SImode.
13773 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
13775 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
13776 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
13777 manufacturer id for ns32k.
13778 * configure: Regenerated.
13779 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
13780 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
13781 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
13782 * config/m68k/netbsd.h: Same.
13783 * config/ns32k/netbsd.h: Same.
13784 * config/sparc/netbsd.h: Same.
13786 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
13788 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
13789 or UNROLL_COMPLETELY loop that starts with a jump to its
13792 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@gnu.org>
13794 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
13795 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
13796 (print_operand, case 'B'): Don't fall through.
13797 (print_operand, case 'S'): Correct mask begin/end computation.
13798 Use HOST_BITS_PER_WIDE_INT.
13799 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
13800 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
13801 * rs6000/aix41.h (CPP_PREDEFINES): Same.
13802 * rs6000/aix43.h (CPP_PREDEFINES): Same.
13804 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
13806 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
13807 constraint from second alternative.
13809 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
13811 * configure.in: Fix --without/--disable cases for local-prefix,
13812 gxx-include-dir and checking.
13814 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13816 * configure.in (enable_haifa): Set by default for sparc64 too.
13817 configure: Rebuilt.
13819 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
13821 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
13822 * i386/winnt.c (associated_type): New fn.
13823 (i386_pe_valid_type_attribute_p): New fn.
13824 (i386_pe_check_vtable_importexport): Remove.
13825 (i386_pe_dllexport_p): Use associated_type.
13826 (i386_pe_dllimport_p): Likewise.
13828 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
13829 * i386.c (i386_valid_type_attribute_p): Also accept
13830 attributes for METHOD_TYPEs.
13832 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
13834 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
13836 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
13838 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
13840 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
13841 them from generating a new base name for each occurrence of
13844 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
13846 * cse.c (cse_insn): Enable substitution inside libcall only for REG,
13848 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
13850 * cplus-dem.c (type_kind_t): New type.
13851 (demangle_template_value_parm): Add type_kind_t parameter. Rely
13852 on this parameter, rather than demangling the type again.
13853 (demangle_integral_value): Pass tk_integral.
13854 (demangle_template_: Pass the value returned from do_type.
13855 (do_type): Return a type_kind_t. Pass tk_integral to
13856 demangle_template_value_parm for array bounds.
13857 (demangle_fund_type): Likewise.
13859 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
13861 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
13864 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
13866 * pa.c (move_operand): Accept CONSTANT_P_RTX.
13868 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
13870 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
13872 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
13875 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
13877 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
13878 (DEBUGGER_ARG_OFFSET): Likewise.
13880 * mn10300.md (movsf): Remove last change. Not needed.
13882 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
13884 * c-lex.c (yylex): Fix boundary conditions in character literal and
13885 string literal loops.
13887 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
13889 * longlong.h (count_leading_zeros): Sparclite scan instruction was
13890 being invoked incorrectly.
13892 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
13893 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
13895 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
13896 * configure.in: Added i[34567]86-*-win32.
13897 * config.sub: Likewise.
13898 * configure: Rebuilt.
13900 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
13902 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
13903 the frame pointer and compiling PIC code and reload has not completed.
13905 * i386.c (output_to_reg): Add code to emulate non-popping DImode
13908 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
13910 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
13912 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13914 * Makefile.in (install-info): Only try to update the info
13915 directory file if it exists in the first place.
13917 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
13919 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
13921 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
13923 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
13924 CONST_DOUBLE source.
13926 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
13928 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
13929 strings as the insertion of USER_LABEL_PREFIX.
13930 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
13932 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
13935 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
13937 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
13938 already defined type.
13940 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
13942 * expr.c (check_max_integer_computation_mode): Allow conversions
13943 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
13944 (expand_expr): Likewise.
13946 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
13948 * expr.c (expand_expr): Expand RETURN_EXPR.
13950 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
13952 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
13954 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
13956 * dwarf2out.c (output_aranges): Call stripattributes
13957 for TEXT_SECTION references.
13958 (output_line_info): Likewise.
13960 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13962 * profile.c (branch_prob): Call allocate_reg_info after outputting
13963 profile rtl in instrument_arcs.
13965 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
13967 * fixinc.irix (math.h): Install wrapper instead of copying.
13969 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
13971 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
13972 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
13973 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
13974 lang_flag_0. Added documentation in the flag table.
13976 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
13978 * cccp.c (do_include): Fix vax c style include handling.
13980 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
13982 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
13984 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
13986 * fold-const.c (non_lvalue): Don't deal with null pointer
13988 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
13990 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@gnu.org>
13992 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
13993 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
13994 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
13995 (u_short_cint_operand): Same.
13996 (reg_or_cint_operand): Same.
13997 (logical_operand): Same.
13998 (input_operand): Same.
13999 (reg_or_short_operand): Use u_short_cint_operand.
14001 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
14003 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
14004 but keep the insns and splits. Adjust so when the ultimate destination
14005 is memory, use cvtql.
14007 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
14009 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
14011 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
14013 * gcc.c (do_spec): Call "error" not "warning".
14015 * configure.in: Fix minor problems with gas feature detection code.
14016 * configure: Rebuilt.
14018 * gcc.c (do_spec): Issue a warning for '%[]' usage.
14020 * Undo this change.
14021 * gcc.c: Delete %[spec] support.
14022 (do_spec_1, case '('): Likewise.
14023 (do_spec_1, case '['): Call error.
14025 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
14027 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
14028 (CPP_SUBTARGET_SPEC): Default to empty string.
14029 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
14030 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
14031 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
14032 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
14034 * alpha/linux.h (CPP_PREDEFINES): Tidy.
14035 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
14036 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
14037 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
14038 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
14039 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
14040 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
14041 * alpha/vxworks.h: Likewise.
14043 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
14045 * mips.md (reload_outsi): Added missing REGNO call.
14046 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
14048 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
14049 another match_operator and compare the codes.
14051 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
14053 * MIPS multiply pattern fixes:
14054 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
14055 Add union classes for HI, LO, or HILO plus general registers.
14056 (GENERATE_MADD): Deleted.
14057 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
14058 Add TARGET_MAD to condition.
14059 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
14060 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
14061 "*d" for accumulator, to give preference to LO initially but not
14064 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
14066 * configure.in (enable_c_mbchar): New configure option.
14067 (extra_cpp_objs): Always available now.
14069 * cexp.y (mbchar.h): #include it.
14070 (yylex): Handle Multibyte characters in character literals.
14072 * cccp.c (mbchar.h): #include it.
14073 (main): Set character set based on LANG environment variable.
14074 (rescan): Handle multibyte characters in comments.
14075 (skip_if_group): See above.
14076 (validate_else): See above.
14077 (skip_to_end_of_comment): See above.
14078 (macarg1): See above.
14079 (discard_comments): See above.
14080 (rescan): Handle multibyte characters in string and character literals.
14081 (collect_expansion): See above.
14082 (skip_quoted_string): See above.
14083 (macroexpand): See above.
14084 (macarg1): See above.
14085 (discard_comments): See above.
14086 (change_newlines): See above.
14088 * c-lex.c (mbchar.h): #include it.
14089 (GET_ENVIRONMENT): New macro.
14090 (init_lex): Set character set based on LANG environment variable.
14091 (yylex): Handle multibyte characters in character literals.
14092 (yylex): Handle multibyte characters in string literals.
14094 * Makefile.in (mbchar.o): New target.
14095 (cccp$(exeext)): @extra_cpp_objs@ is always available.
14096 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
14098 * mbchar.[ch]: New files for multibyte character handling.
14100 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14102 * jump.c (jump_optimize): When simplifying noop moves and
14103 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
14104 the PUSHes to rewrite in second loop as we did in the first.
14106 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14108 * cplus-dem.c (demangle_nested_args): Make function definition
14109 static to match the prototype.
14111 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
14113 * alloca.c: Respect USE_C_ALLOCA.
14114 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
14115 * gengenrtl.c (xmalloc): Likewise.
14117 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
14119 * loop.h (struct induction): Add no_const_addval.
14120 * loop.c (the_movables, reg_address_cost): New variables.
14121 (init_loop): Init reg_address_cost.
14122 (loop_optimize): Call end_alias_analysis.
14123 (scan_loop): Init the_movables.
14124 (record_giv): Init induction->no_const_addval.
14125 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
14126 [REG]: Rearrange loop search test to catch more cases.
14127 (general_induction_var): Return success not benefit; take an extra
14128 argument for that. Change all callers.
14129 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
14130 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
14131 [default]: Search the_movables for additional combinations.
14132 (sge_plus_constant, sge_plus): New functions.
14133 (express_from_1): New function.
14134 (express_from): Always define. Rewrite using express_from_1.
14135 (combine_givs_p): Handle more cases. Ignore address cost.
14136 (cmp_combine_givs_stats): New function.
14137 (combine_givs_used_once, combine_givs_benefit_from): New functions.
14138 (combine_givs): Rewrite to do best-fit combination.
14140 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
14141 (fold): Do a complete (A*C)+(B*C) association check.
14143 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
14145 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
14147 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
14149 * mn10300.c (MODES_TIEABLE_P): Fix typo.
14151 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
14153 * tree.c (valid_machine_attribute): Only create a new type variant if
14154 there is a decl to use it.
14156 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
14158 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
14161 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
14163 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
14166 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
14168 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
14169 Simplify tests for clearing an address register.
14170 (expand_prologue): Corresponding changes.
14172 * mn10300.md (movXX patterns): Make sure the destination is an
14173 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
14174 (logical patterns): Split into expanders + patterns.
14175 (zero and sign extension patterns): Similarly.
14176 (shift patterns): Similarly.
14178 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
14180 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
14181 for the sequence, recording base values.
14183 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
14185 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
14187 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
14189 * gcc.c: Remove ANSI-C ism from --help code.
14191 * toplev.c: Support --help with USE_CPPLIB.
14193 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
14195 * configure.in: Rework gas feature code to work with symlink based
14198 * extend.texi: Clarify some issues related to local variables
14199 assigned to explicit registers.
14201 * mn10300.md (mulsi): Turn into expander + pattern.
14203 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
14206 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
14208 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
14210 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
14212 * version.c: Bump again to distinguish mainline tree from the
14215 See ChangeLog.0 for earlier changes.
14218 add-log-time-format: current-time-string