1 2005-12-02 Richard Guenther <rguenther@suse.de>
3 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
4 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
5 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
6 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
7 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
8 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
9 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
11 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
12 sh_adjust_unroll_max): Likewise.
13 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
14 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
15 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
17 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
19 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
22 2005-12-02 Richard Guenther <rguenther@suse.de>
24 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
25 simplify_cond_using_ranges): Use buildN instead of build.
26 * tree-tailcall.c (adjust_accumulator_values,
27 adjust_return_value): Likewise.
28 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
29 generate_element_copy, generate_element_zero,
30 generate_one_element_init): Likewise.
31 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
32 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
33 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
34 perfect_nestify): Likewise.
36 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
38 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
40 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
42 * ggc.h (GGC_RESIZEVEC): New.
44 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
46 * gcc.c (execute): Improve readability.
48 2005-12-02 Richard Guenther <rguenther@suse.de>
50 * tree-cfg.c (mark_used_vars): New function.
51 (dump_function_to_file): Dump only used VAR_DECLs.
53 2005-12-02 Richard Guenther <rguenther@suse.de>
55 * convert.c (convert_to_integer): Fix compare for nonpositive
56 constant to use tree_int_cst_sgn <= 0.
58 2005-12-02 Richard Guenther <rguenther@suse.de>
60 * convert.c (convert_to_integer): Use fold_convert instead
61 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
62 instead of comparing against 0. Use build_int_cst instead
63 of converting integer_zero_node.
65 2005-12-02 Richard Guenther <rguenther@suse.de>
67 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
70 2005-12-02 Alan Modra <amodra@bigpond.net.au>
73 * combine.c (simplify_logical <IOR>): Simplify more patterns to
76 2005-12-02 Alan Modra <amodra@bigpond.net.au>
79 * function.c (expand_function_end): Emit blockage for unwinder
82 2005-12-01 Roger Sayle <roger@eyesopen.com>
84 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
85 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
86 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
87 integer constant comparisons.
89 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
90 Janis Johnson <janis187@us.ibm.com>
91 David Edelsohn <dje@watson.ibm.com>
92 Ben Elliston <bje@au.ibm.com>
94 * dfp.h, dfp.c: New files.
95 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
97 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
98 (INCLUDES): Append $(DECNUMINC).
99 (OBJS-common): Add dfp.o.
101 * real.h (EXP_BITS): Pinch one bit to ..
102 (struct real_value): Add decimal field.
103 (real_format): Change table size, update documentation.
104 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
105 (real_from_string3): Declare.
106 (decimal_single_format): Declare.
107 (decimal_double_format): Declare.
108 (decimal_quad_format): Declare.
109 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
110 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
111 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
112 * real.c: Include dfp.h.
113 (normalize): Early return for decimal floats.
114 (do_add): Zero decimal field.
115 (do_compare): Call do_decimal_compare for decimal floats.
116 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
117 (real_arithmetic): Call decimal_real_arithmetic for decimal
118 floating point operands.
119 (real_identical): If a and b are of differing radix, return false.
120 (real_to_integer): Call decimal_real_to_integer if the value is a
122 (real_to_integer2): Likewise, call decimal_real_to_integer2.
123 (real_to_decimal): Likewise, call decimal_real_to_decimal.
124 (real_to_hexadecimal): Place "N/A" in the return string for
126 (real_from_string3): New variant, given a mode.
127 (real_maxval): Use decimal_real_maxval for decimal floats.
128 (round_for_format): Use decimal_round_for_format for decimals.
129 (real_convert): Use decimal_real_convert where appropriate.
130 (significand_size): Handle base 10.
131 (encode_decimal_single, decode_decimal_single,
132 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
133 decode_decimal_quad): New functions.
134 (decimal_single_format): New.
135 (decimal_double_format): New.
136 (decimal_quad_format): New.
137 * machmode.def: Add SD, DD and TD decimal floating point modes.
138 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
139 Include MODE_DECIMAL_FLOAT.
140 (DECIMAL_FLOAT_MODE_P): New.
141 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
142 * genmodes.c (struct mode_data): Add counter field.
143 (struct mode_data): Update comment for format.
144 (blank_mode): Initialise counter field.
145 (new_mode): Increment counter field for each mode defined.
146 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
148 (make_complex_modes): Handle modes containing `D'.
149 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
150 (make_decimal_float_mode): New.
151 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
152 (cmp_modes): Compare counter field if other characteristics
154 (emit_real_format_for_mode): Support formats for decimal floats.
155 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
156 Document MODE_DECIMAL_FLOAT.
158 2005-12-02 Alan Modra <amodra@bigpond.net.au>
160 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
163 2005-12-01 Richard Henderson <rth@redhat.com>
165 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
167 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
169 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
171 * config/pa/pa.c (pa_init_builtins): If we detect
172 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
175 2005-12-01 Richard Guenther <rguenther@suse.de>
177 * fold-const.c (fold_binary): Use fold_build2, not
180 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
182 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
184 * vec.h (VEC_block_remove): New.
186 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
189 * c-common.c (lvalue_error): Fix wording.
191 2005-12-01 Richard Guenther <rguenther@suse.de>
193 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
194 thinko in last patch.
196 2005-12-01 Geoffrey Keating <geoffk@apple.com>
198 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
199 than -flat_namespace.
201 2005-12-01 Ben Elliston <bje@au.ibm.com>
203 * mklibgcc.in: Parameterise the script to build soft float
204 functions by iterating over each type, rather than cloning the
207 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
210 * builtins.c (fold_builtin_fputs): Defer check for missing
211 replacement functions.
213 2005-11-30 Kean Johnston <jkj@sco.com>
215 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
216 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
218 2005-11-30 Richard Guenther <rguenther@suse.de>
220 PR tree-optimization/22501
221 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
222 function split out from ...
223 (forward_propagate_addr_expr): ... here. Use it to propagate
224 ADDR_EXPRs to all uses.
226 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
228 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
229 * builtins.c (expand_builtin_mathfn): Use them.
230 (expand_builtin_mathfn_2): Likewise.
231 (expand_builtin_mathfn_3): Likewise.
232 (expand_builtin_int_roundingfn): Likewise.
233 (expand_builtin): Likewise.
234 (integer_valued_real_p): Likewise.
235 (fold_builtin_int_roundingfn): Likewise.
236 (fold_builtin_bitop): Likewise.
237 (fold_builtin_logarithm): Likewise.
238 (fold_builtin_1): Likewise.
239 * convert.c (convert_to_integer): Likewise.
240 * fold-const.c (negate_mathfn_p): Likewise.
241 (tree_expr_nonnegative_p): Likewise.
243 2005-11-30 Dale Johannesen <dalej@apple.com>
244 Andrew Pinski <pinskia@physics.uc.edu>
246 * combine.c (find_split_point): Sign extend bitmask
247 when changing bitfield assignment to IOR of AND.
249 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
251 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
252 clobber to scratch reg.
253 (*decrement_and_branch_until_zero_no_clobber): Remove.
254 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
255 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
256 * config/ms1/ms1.opt (mmul): Remove.
257 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
258 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
260 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
261 Bernd Schmidt <bernd.schmidt@analog.com>
263 * pa/predicates.md (symbolic_operand): Add comment.
264 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
265 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
266 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
267 (pa_secondary_reload_class): Delete.
268 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
269 and pa_secondary_reload_class. Reorder some checks. Update inline
270 copy of symbolic operand.
271 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
273 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
275 * loop-doloop.c (add_test): Only add jump notes if we did emit a
278 2005-11-30 Jeff Law <law@redhat.com>
280 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
281 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
283 2005-11-30 Jakub Jelinek <jakub@redhat.com>
285 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
286 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
287 (ia64_expand_move): Adjust caller.
289 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
290 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
293 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
295 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
296 Always produce an output if we can remove NEGs or canonicalize
297 (minus (minus ...)) expressions. Provide a fast path for the
299 (simplify_gen_binary): Do not call simplify_plus_minus.
300 (simplify_binary_operation_1): Reassociate at the end of the
303 2005-11-29 Evan Cheng <evan.cheng@apple.com>
305 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
306 moves and unpack to speed up.
308 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
310 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
311 argument, they are always sparc_compare_op0 and sparc_compare_op1.
312 (gen_v9_scc): Update callers.
313 * config/sparc/sparc.md: Likewise.
314 * config/sparc/sparc-protos.h: Update extern declaration.
316 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
318 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
320 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
323 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
325 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
326 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
329 2005-11-29 Ben Elliston <bje@au.ibm.com>
331 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
334 2005-11-29 Ben Elliston <bje@au.ibm.com>
336 * Makefile.in (clean-target): Depend on clean-target-libgcc.
337 (clean-target-libgcc): Import rule from the top-level Makefile.in.
339 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
343 * builtins.c (init_target_chars): New.
344 (expand_builtin_printf, expand_builtin_fprintf,
345 expand_builtin_sprintf, fold_builtin_sprintf,
346 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
347 fold_builtin_snprintf_chk, fold_builtin_printf,
348 fold_builtin_fprintf): Check for matching format strings using
351 2005-11-29 Paul Brook <paul@codesourcery.com>
353 * config.gcc: Do not use fixproto on m68k-elf.
355 2005-11-28 Roger Sayle <roger@eyesopen.com>
357 * expmed.c (div_cost): Replace with...
358 (sdiv_cost, udiv_cost): New.
359 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
360 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
361 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
362 (expand_divmod): Replace use of div_cost with either sdiv_cost
363 or udiv_cost depending upon the signedness of the operation.
365 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
368 * config/darwin.c (machopic_indirection_name,
369 machopic_output_indirection): Follow transparent alias chain.
371 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
373 * varasm.c (ultimate_transparent_alias_target): Add comment.
375 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
377 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
378 SET_SRC instead of XEXP where appropriate.
380 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
382 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
385 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
387 * config/fp-bit.h (LSHIFT): Take shift count parameter.
388 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
391 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
393 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
394 secondary_input_reload_class, made static. Adapt to new
396 (secondary_output_reload_class): Delete.
397 (TARGET_SECONDARY_RELOAD): New macro.
398 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
399 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
401 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
404 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
405 when its natural alignment is > BITS_PER_UNIT.
406 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
407 * c-common.c (handle_packed_attribute): Ignore packing on a field
408 whose type is naturally char aligned.
410 2005-11-28 Richard Guenther <rguenther@suse.de>
412 * c-common.c (strict_aliasing_warning): Handle all
413 component-ref like accesses.
415 2005-11-28 Roger Sayle <roger@eyesopen.com>
416 Uros Bizjak <uros@kss-loka.si>
419 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
420 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
421 when flag_unsafe_math_optimizations is set and
422 we don't care about NaNs or Infinities.
424 Move x/expN(y) and x/pow(y,z) transformation into common
425 flag_unsafe_math_optimizations section.
427 2005-11-27 Mark Mitchell <mark@codesourcery.com>
429 * gcc.c (main): Change type of argv to "char **".
431 2005-11-28 Alan Modra <amodra@bigpond.net.au>
433 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
435 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
436 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
437 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
438 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
439 output locals to sbss if !rs6000_elf_in_small_data_p.
440 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
442 2005-11-28 Alan Modra <amodra@bigpond.net.au>
445 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
447 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
448 indexed_or_indirect_address.
449 (indexed_or_indirect_address): Don't test for base reg. Call
450 address_operand last. Make it a special predicate.
452 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
454 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
456 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
459 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
461 (negate_expr): Likewise.
463 2005-11-27 Andreas Schwab <schwab@suse.de>
465 * config/m68k/m68k.c: Reindent and fix whitespace, remove
468 2005-11-27 Steven Bosscher <stevenb@suse.de>
470 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
471 has EH predecessor edges.
473 2005-11-26 Eric Christopher <echristo@apple.com>
475 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
476 register stalls by zero extending to the full register.
478 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
480 * config/floatunsisf.c, config/floatunsidf.c,
481 config/floatunsixf.c, config/floatunsitf.c: New files.
482 * config/ia64/t-hpux: Add floatunsitf.c.
483 * config/ia64/ia64.c (ia64_init_libfuncs): Use
484 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
486 2005-11-26 Richard Henderson <rth@redhat.com>
488 * c-lex.c (pragma_lex): Rename from c_lex.
489 * c-pch.c: Update for pragma_lex rename.
490 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
491 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
492 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
493 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
494 * doc/tm.texi: Likewise.
496 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
499 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
500 when overflow is undefined.
502 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
504 * doc/md.texi (Insn Canonicalizations): Refer to the
505 function commutative_operand_precedence for further rules.
507 2005-11-25 Roger Sayle <roger@eyesopen.com>
510 * expmed.c (choose_mult_variant): Return immediately when mult_cost
511 is less than zero. Limit mult_cost to a reasonable upper bound for
512 the synthetic multiplication sequence.
514 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
517 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
518 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
519 Lookup the explicit replacement functions for any unlocked
520 stdio builtin transformations.
522 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
524 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
526 * targhooks.c (default_secondary_reload): Don't require operand 2
527 for an input reload to be earlyclobber.
529 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
531 * fold-const.c (negate_mathfn_p): Fix comment and add support
532 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
535 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
538 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
539 _Q_ulltoq for unsigned conversions from SImode and DImode to
542 2005-11-25 Alan Modra <amodra@bigpond.net.au>
544 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
545 (__floatundidf, __floatundisf): Likewise.
547 2005-11-25 David Edelsohn <edelsohn@gnu.org>
549 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
550 (rs6000_override_options): Remove initialization of
552 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
553 (rs6000_emit_stack_tie): Same.
554 (emit_frame_save): Same.
555 (gen_frame_mem_offset): Same.
556 (rs6000_emit_prologue): Same.
557 (rs6000_emit_epilogue): Same.
559 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
562 * fold-const.c (fold_build): Convert bool_var != 1 and
563 bool_var == 0 to !bool_var.
565 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
568 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
569 for C being INTEGER_CST. Likewise for !=.
571 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
574 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
575 unsigned conversions from SImode to TFmode.
577 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
579 * expr.c (expand_expr_real_1): Fix error in last change.
581 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
583 * caller-save.c: (this_insn_sets): Move into:
584 (save_call_clobbered_regs).
585 (mark_set_regs): Get this_insn_sets from data.
587 (save_call_clobbered_regs): Take sets of the return value by
588 sibcalls into account.
590 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
593 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
594 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
595 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
596 (memory_move_secondary_cost, init_reg_autoinc): Remove
597 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
598 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
599 secondary_reload_class call.
600 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
602 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
603 (push_secondary_reload): Use secondary_reload target hook.
604 (secondary_reload_class, scratch_reload_class): New functions.
605 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
606 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
607 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
608 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
609 (secondary_reload_class, scratch_reload_class): Declare.
610 * reload1.c: Include target.h.
611 (reload_adjust_reg_for_temp): New function.
612 (reload_adjust_reg_for_icode): Likewise.
613 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
614 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
616 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
617 for inheritance. Support case when both secondary & tertiary reloads
618 are for intermediate registers.
619 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
620 with secondary_reload_class call. Support case when both secondary
621 & tertiary reloads are for intermediate registers.
622 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
623 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
624 * target.h (secondary_reload_info): New struct / typedef.
625 (struct gcc_target): New member secondary_reload.
626 * targhooks.c Include reload.h, optabs.h and recog.h.
627 (default_secondary_reload): New function.
628 * targhooks.h (default_secondary_reload): Declare.
629 * doc/tm.texi: Document secondary_reload target hook. Update
630 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
631 * doc/md.texi: Likewise.
633 * sh-protos.h (sh_secondary_reload): Declare.
634 * sh.c (TARGET_SECONDARY_RELOAD): Override.
635 (sh_secondary_reload): New function.
636 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
637 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
638 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
639 (HAVE_SECONDARY_RELOADS): Define.
640 * sh.md (reload_indf): Rename to:
642 (reload_outdf): Rename to:
643 (reload_outdf__RnFRm).
644 (reload_insf): Rename to:
646 (reload_insi): Rename to:
647 (reload_insi__i_fpul).
649 2005-11-24 Uros Bizjak <uros@kss-loka.si>
651 * configure.ac: Require at least texinfo 4.4.
652 * configure: Regenerate.
654 * doc/install.texi (Tools/packages necessary for building GCC):
655 Update required version of texinfo to at least 4.4.
656 (Installing GCC: Building): Update required version of texinfo
658 (Installing GCC: Final installation): Update required version
659 of texi2dvi to at least 4.4.
660 (Host/target specific installation notes for GCC): Update required
661 version of texinfo to at least 4.4.
663 2005-11-24 Richard Guenther <rguenther@suse.de>
664 Dirk Mueller <dmueller@suse.de>
667 * c-common.h (strict_aliasing_warning): Declare.
668 * c-common.c (strict_aliasing_warning): New function,
670 * c-typeck.c (build_c_cast): ... here.
672 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
674 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
676 (swap_commutative_operands_with_target): New.
678 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
680 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
681 also when doing PRE, rather than only for global CPROP.
683 2005-11-24 Ben Elliston <bje@au.ibm.com>
685 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
686 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
688 (expand_twoval_unop): Likewise.
689 (widen_clz): Likewise.
690 (expand_parity): Likewise.
691 (expand_unop): Likewise.
692 (emit_cmp_and_jmp_insn_1): Likewise.
693 (prepare_float_lib_cmp): Likewise.
695 2005-11-24 Ben Elliston <bje@au.ibm.com>
697 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
698 Remove unused `class' variable.
700 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
703 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
704 C/C++ diagnostic function warn_array_subscript_with_type_char.
705 * c-common.h (warn_array_subscript_with_type_char): Declare.
706 * c-common.c (warn_array_subscript_with_type_char): Define.
708 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
711 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
712 compiling at the intersection of C and C++.
714 2005-11-23 Mark Mitchell <mark@codesourcery.com>
716 * doc/invoke.texi: For man pages, include gcc-vers.texi.
717 List @file in the option summary. Include the libiberty
718 documentation for @file.
719 * gcc.c (main): Call expandargv.
720 * Makefile.in (gcc-vers.texi): Define srcdir.
722 2005-11-23 Diego Novillo <dnovillo@redhat.com>
724 * passes.c (init_optimization_passes): Document
725 sequencing of passes.
727 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
729 * config/m68k/predicates.md (pcrel_address, extend_operator,
730 post_inc_operand, pre_dec_operand): Remove redundant
732 (const_uint32_operand, const_sint32_operand): Use gcc_assert
734 (valid_dbcc_comparison_p): Rewrite in the lisp style.
736 2005-11-23 Ben Elliston <bje@au.ibm.com>
738 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
740 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
742 Preparatory work for PR target/21623:
743 * alpha.c (secondary_reload_class): Rename to:
744 (alpha_secondary_reload_class).
745 * alpha.h, alpha-protos.h: Likewise.
746 * mn10300.c (secondary_reload_class): Rename to:
747 (mn10300_secondary_reload_class).
748 * mn10300.h, mn10300-protos.h: Likewise.
749 * pa.c (secondary_reload_class): Rename to:
750 (pa_secondary_reload_class).
751 * pa.h, pa-protos.h: Likewise.
752 * rs6000.c (secondary_reload_class): Rename to:
753 rs6000_secondary_reload_class.
754 * rs6000.h, rs6000-protos.h: Likewise.
756 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
759 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
761 2005-11-22 Ian Lance Taylor <ian@airs.com>
763 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
765 (prepare_cmp_insn): Likewise.
767 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
770 * m68k.md (zero_extendsidi2): Force operands[1] to a register
771 if both operands[0] and operands[1] are memory.
773 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
776 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
777 COMPARISON_CLASS_P and an integral types create create a new
778 expression with the new type and fold that.
780 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
783 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
784 to SUBTARGET_OS_CPP_BUILTINS.
786 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
788 * arm.c (emit_set_insn): New function.
789 (arm_split_constant): Call it.
790 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
791 (arm_legitimize_address): Likewise. Use plus_constant.
792 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
793 (thumb_expand_prologue): Likewise.
794 (arm_gen_load_multiple): Use VOIDmode in SET.
795 (arm_gen_store_multiple): Likewise.
796 (vfp_emit_fstmx): Likewise. Use plus_constant.
797 (emit_multi_reg_push): Likewise.
798 (emit_sfm): Use plus_constant.
800 2005-11-23 Alan Modra <amodra@bigpond.net.au>
803 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
806 2005-11-22 Alan Modra <amodra@bigpond.net.au>
809 * expmed.c (store_bit_field): Don't attempt to insv a field
812 2005-11-22 Alan Modra <amodra@bigpond.net.au>
815 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
816 explicit sign extension, not a (char) cast.
818 2005-11-22 Ben Elliston <bje@au.ibm.com>
820 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
821 GET_MODE_CLASS (x) == MODE_FLOAT.
822 * config/i386/i386.c: Likewise.
823 * config/rs6000/xcoff.h: Likewise.
824 * config/rs6000/linux64.h: Likewise.
825 * config/rs6000/rs6000.c: Likewise.
826 * config/rs6000/rs6000.h: Likewise.
827 * config/rs6000/predicates.md: Likewise.
828 * config/rs6000/sysv4.h: Likewise.
830 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
832 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
835 * config/alpha/freebsd.h, config/alpha/linux.h,
836 config/arm/linux-elf.h, config/bfin/bfin.h,
837 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
838 config/i386/beos-elf.h, config/i386/gnu.h,
839 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
840 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
841 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
842 config/rs6000/linux64.h, config/rs6000/sysv4.h,
843 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
844 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
845 config/sparc/linux.h, config/sparc/linux64.h,
846 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
848 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
849 are both defined when either flag -fpic or -fPIC are used.
851 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
853 * config/fp-bit.c (clzusi): New function.
854 (si_to_float, usi_to_float): Use it to compute proper shift.
855 (usi_to_float): Preserve guard bits when shifting right.
856 * libgcc-std.ver (GCC_4.2.0): New version.
857 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
858 __floatundisf): New functions.
859 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
860 __floatundisf): Declare.
861 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
862 _floatundixf, and _floatunditf.
863 * optabs.c (expand_float): If target does not define a pattern for
864 signed or unsigned conversion, use an unsigned libcall instead of
866 (init_optabs): Initialize ufloat_optab.
868 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
870 * config/rs6000/rs6000.opt (mmulhw): New option.
871 * doc/invoke.texi (-mmulhw): Document.
872 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
874 * config/rs6000/rs6000.md: Add half-word multiply and
875 multiply-accumulate instructions for 405 and 440.
877 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
879 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
880 which matches behavior of gcc 4.0 and older for RTEMS targets. The
881 default now includes a linker group which makes the RTEMS one nest.
883 2005-11-22 Ben Elliston <bje@au.ibm.com>
885 * cse.c (fold_rtx): Typo fix.
886 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
888 2005-11-21 Richard Henderson <rth@redhat.com>
890 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
891 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
893 * c-tree.h (lookup_name): Move declaration ...
894 * c-common.h (lookup_name): ... here.
895 * config/darwin-c.c: Include c-common.h.
896 * config/t-darwin: Update dependencies.
898 2005-11-22 Ben Elliston <bje@au.ibm.com>
900 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
901 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
902 * genopinit.c (gen_insn): Likewise.
903 * reload.c (find_equiv_reg): Likewise.
904 * loop.c (load_mems): Likewise.
905 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
906 * cse.c (find_comparison_args, fold_rtx): Likewise.
907 * dwarf2out.c (add_const_value_attribute): Likewise.
908 * expr.c (convert_move): Likewise.
909 * recog.c (general_operand, register_operand): Likewise.
910 * reg-stack.c (replace_reg): Likewise.
911 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
912 * c-common.c (handle_vector_size_attribute): Likewise.
913 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
914 (simplify_binary_operation_1): Likewise.
915 (simplify_const_binary_operation): Likewise.
916 (simplify_relational_operation): Likewise.
917 (simplify_const_relational_operation): Likewise.
918 (simplify_immed_subreg): Likewise.
919 * emit-rtl.c (gen_lowpart_common): Likewise.
920 * expmed.c (expand_mult): Likewise.
921 * stor-layout.c (layout_type): Likewise.
923 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
926 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
927 cst2 only for SPE vectors.
929 2005-11-21 David Edelsohn <edelsohn@gnu.org>
932 * config/rs6000/predicates.md (vrsave_operation): Check
933 UNSPEC_VOLATILE value.
935 2005-11-21 Jan Hubicka <jh@suse.cz>
937 PR tree-optimization/24653
938 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
940 2005-11-21 Uros Bizjak <uros@kss-loka.si>
942 * config/i386/predicates.md (ax_reg_operand): New predicate.
943 (memory_displacement_only_operand): New predicate.
944 * config/i386/i386.md ("modrm" attribute): Return 0 if one
945 operand is AX register and the other operand is memory operand
946 with displacement only.
948 2005-11-21 Uros Bizjak <uros@kss-loka.si>
950 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
951 if we don't care about NaNs or Infinities.
953 2005-11-20 Ian Lance Taylor <ian@airs.com>
955 PR rtl-optimization/24883
956 * combine.c (combinable_i3pat): When checking whether the
957 destination of i3 is used in i3, consider paradoxical subregs.
959 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
962 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
964 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
966 * combine.c (try_combine): Do not run subst on i1src and i2src in
967 the case of generating a PARALLEL for a comparison.
969 2005-11-20 Richard Henderson <rth@redhat.com>
972 * tree-sra.c (struct sra_elt): Add all_no_warning.
973 (struct sra_walk_fns) <use>: Add use_all argument.
974 (sra_walk_expr): Pass it.
975 (sra_walk_modify_expr): Likewise.
976 (scalarize_ldst): Likewise.
977 (scan_use): Update for new argument.
978 (mark_no_warning): New.
979 (scalarize_use): Use it.
981 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
983 * expr.c (expand_expr_real): Use usmul_optab for widening
984 signed * unsigned multiplies.
985 * genopinit.c (optabs): Add usmul_widen_optab.
986 * optabs.c (init_optabs): Likewise.
987 * optabs.h (enum optab_index): Add OTI_usmul_widen.
988 (usmul_widen_optab): Define.
989 * config/bfin/bfin.md (usmulhisi3): New pattern.
991 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
993 2005-11-20 Graham Stott <btinternet.com>
995 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
997 2005-11-20 Andreas Schwab <schwab@suse.de>
1000 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
1003 2005-11-19 Richard Henderson <rth@redhat.com>
1006 * tree-gimple.c (is_gimple_id): Export.
1007 * tree-gimple.h (is_gimple_id): Declare.
1008 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
1009 (get_default_value): Use it.
1010 (maybe_fold_stmt_indirect): Likewise.
1012 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
1014 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
1015 than VR1 or vice-versa.
1017 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
1021 * reload.c (find_reloads_address_1): Mention dependency on
1023 * reload1.c (gen_reload): For IN with an unary operation, try
1024 moving inner expression to OUT if trivial SET is not valid.
1025 Confirm that the result is valid. Move common code block into...
1026 (emit_insn_if_valid_for_reload): New function.
1028 2005-11-19 Richard Guenther <rguenther@suse.de>
1030 * fold-const.c (fold_indirect_ref_1): Make sure we fold
1031 ARRAY_REFs of constant strings.
1033 2005-11-19 Jakub Jelinek <jakub@redhat.com>
1035 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
1036 fatal format string.
1038 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
1040 * combine.c (make_compound_operation): Swap operands of
1041 commutative operation if necessary before returning.
1043 2005-11-19 Richard Guenther <rguenther@suse.de>
1046 * fold-const.c (fold_plusminus_mult_expr): New function.
1047 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
1048 cases, remove now unnecessary code.
1050 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
1052 * gensupport.c (old_preds): Rename to std_preds, add special field.
1053 (struct old_pred_table): Rename to struct std_pred_table, add special
1055 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
1056 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
1057 (init_predicate_table): Adjust, and set along the way whether a
1058 predicate is special.
1060 2005-11-18 Mark Mitchell <mark@codesourcery.com>
1062 * BASE-VER: Change to 4.2.0.
1064 2005-11-18 James E Wilson <wilson@specifix.com>
1066 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
1069 2005-11-18 Mike Stump <mrs@apple.com>
1071 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
1072 * config/darwin-c.c (darwin_pragma_unused): Likewise.
1073 * c-decl.c (lookup_name_two) Remove.
1074 * c-tree.h (lookup_name_two): Remove.
1075 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
1076 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
1077 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
1078 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
1080 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
1083 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
1084 when not generating code to use that co-processor.
1086 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
1088 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
1089 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
1090 these functions are now in tree-phinodes.c.
1092 2005-11-18 Jie Zhang <jie.zhang@analog.com>
1094 * config/bfin/bfin.md (trap): New pattern.
1096 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1098 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
1101 * expr.c (expand_expr_real): Don't call record_block_change unless
1102 ib_boundaries_block is non-null
1104 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
1106 * fold-const.c (build_range_check): Use proper type for subtraction
1107 when merging lower bound.
1109 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
1111 PR rtl-optimization/24497
1112 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
1115 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
1117 * tree-scalar-evolution.c (expression_expensive_p): New function.
1118 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
1120 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
1122 * config/bfin/crtlibid.s: New file.
1124 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1127 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
1128 when not using sjlj exceptions.
1129 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
1130 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1131 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
1132 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
1133 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
1134 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
1135 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
1136 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
1137 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
1138 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
1139 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
1140 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
1141 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
1143 * config/pa/hpux-unwind.h: New file.
1145 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
1147 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
1148 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
1149 * varasm.c (do_assemble_alias): Adjust call.
1150 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
1152 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
1154 2005-11-17 James E Wilson <wilson@specifix.com>
1156 * tree.def (FUNCTION_DECL): Correct typo in comment.
1158 2005-11-17 Richard Henderson <rth@redhat.com>
1160 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
1161 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
1162 and DW_CFA_def_cfa_sf.
1163 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
1164 (dbx_reg_number): Don't assert particular registers here.
1165 (based_loc_descr): ... do it here instead. Fold in ...
1166 (eliminate_reg_to_offset): ... this function.
1167 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
1168 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
1169 * unwind-dw2.c (execute_cfa_program): Apply data align factor
1170 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
1171 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
1172 (instantiate_virtual_regs): Likewise.
1173 * var-tracking.c (adjust_stack_reference): Likewise.
1174 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
1176 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
1178 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
1179 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
1180 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
1182 ($(T)crtlibid.o): New rule.
1184 2005-11-16 Richard Guenther <rguenther@suse.de>
1187 * fold-const.c (extract_array_ref): Return byte offset
1189 (fold_binary): Fold &x[a] CMP &x[b] to
1190 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
1193 2005-11-16 Richard Henderson <rth@redhat.com>
1196 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
1197 parts of an SSA_NAME.
1199 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
1202 * arm.md (split for movsf with immediate): Restrict split to insns
1203 that set a general register.
1205 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1207 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
1209 * unwind-dw2.c (uw_advance_context): Likewise.
1210 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
1211 _Unwind_SjLj_Unregister.
1212 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
1214 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1216 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
1218 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1220 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
1221 langhook to get a DImode integer type.
1223 2005-11-16 Richard Henderson <rth@redhat.com>
1224 J"orn Rennecke <joern.rennecke@st.com>
1225 Ulrich Weigand <uweigand@de.ibm.com>
1229 * reload1.c (reg_equiv_invariant): New.
1230 (reload): Allocate, initialize, and free it.
1231 (calculate_needs_all_insns): Check it when skipping equivalence
1233 (alter_reg): Likewise.
1234 (eliminate_regs_1): Rename from eliminate_regs. Add new
1235 may_use_invariant argument; only use reg_equiv_invariant when true.
1236 (eliminate_regs): New.
1237 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
1238 a context for which may_use_invariant may be true.
1240 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1242 * fold-const.c (const_binop): Don't constant fold the operation
1243 if the result has overflowed and flag_trapping_math.
1244 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
1246 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1248 * config/arm/unwind-arm.c (abort): Add prototype here.
1249 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
1250 (struct phase1_vrs): Add prev_sp.
1251 (unwind_phase2_forced): Save the original core registers instead of
1252 modifying entry_vrs. Take a new flag argument for resuming unwinding
1253 and set action flags accordingly. Always set _US_END_OF_STACK when
1254 get_eit_entry fails. Unwind before calling the stop function.
1255 (_Unwind_GetCFA): New function.
1256 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
1257 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
1258 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
1259 just call unwind_phase2_forced.
1260 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
1261 * config/arm/unwind-arm.h (abort): Remove prototype.
1262 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
1264 (_Unwind_GetCFA): New prototype.
1265 * config/arm/pr-support.c (abort): Add prototype here.
1266 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
1268 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
1269 not schedule the prologue with non-call exceptions and EABI.
1271 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
1273 * config/arm/unwind-arm.h: Reorder interface function declarations.
1274 (_URC_END_OF_STACK): New enumeration value.
1275 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
1276 (struct _Unwind_Control_Block): Document reserved field use.
1277 (_Unwind_Stop_Fn): New typedef.
1278 (_Unwind_ForcedUnwind): Declare.
1279 (_Unwind_Resume_or_Rethrow): Declare.
1280 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
1282 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
1283 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
1284 (UCB_FORCED_STOP_ARG): New.
1285 (search_EIT_table): Update boundary condition checks.
1286 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
1287 (unwind_phase2): Replace for with do..while.
1288 (unwind_phase2_forced): New.
1289 (__gnu_Unwind_RaiseException): Replace for with do..while.
1290 (__gnu_Unwind_ForcedUnwind): New.
1291 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
1292 Use appropriate phase2 unwinder.
1293 (__gnu_Unwind_Resume_or_Rethrow): New.
1294 (__gnu_unwind_pr_common): Cope with forced unwinding.
1296 2005-11-16 David Edelsohn <edelsohn@gnu.org>
1299 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
1301 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
1302 roundsf2): Remove "s" from mnemonic.
1304 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
1306 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
1308 * config/bfin/crtn.s: Change epilogues to match.
1309 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
1310 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
1311 __PIC__ and __pic__.
1313 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
1316 * doc/invoke.texi: Distinguish between free and fixed form instead of
1317 Fortran and Fortran 90/95. Remove ratfor from the list of supported
1319 * gcc.c (default_compilers): Remove double entries, add entries for
1320 suffixes '.F90' and '.F95'.
1322 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1324 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
1325 in the stack probing loop.
1327 2005-11-15 David Edelsohn <edelsohn@gnu.org>
1329 * configure.ac: Use .machine power5 not power5x.
1330 * configure: Regenerate.
1332 2005-11-15 Mike Stump <mrs@apple.com>
1334 * c-decl.c (lookup_name_two): Add.
1335 * c-tree.h (lookup_name_two): Likewise.
1336 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
1337 * config/darwin-c.c (darwin_pragma_unused): Likewise.
1339 2005-11-16 Alan Modra <amodra@bigpond.net.au>
1341 PR rtl-optimization/23392
1342 * regrename.c (enum scan_actions) Add mark_access.
1343 (scan_actions_name): Ditto.
1344 (scan_rtx_reg): Handle mark_access.
1345 (scan_rtx_address): Do nothing for mark_access.
1346 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
1347 and regs in REG_INC notes before closing chains for dead regs.
1348 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
1349 opening chains for new writes.
1351 2005-11-15 David Edelsohn <edelsohn@gnu.org>
1353 * c.opt (ffixed-line-length-none): New.
1355 2005-11-15 Steve Ellcey <sje@cup.hp.com>
1357 * mklibgcc.in: Change contents of eh_dummy.c.
1359 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
1361 * loop.c (scan_loop): Do not insert temporaries for hard registers.
1363 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
1365 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
1367 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
1369 2005-11-15 Jan Hubicka <jh@suse.cz>
1371 * invoke.texi (large-unit-insns): Document.
1372 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
1373 * params.def (large-unit-insns): New param.
1375 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
1378 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
1379 special register for operand 3. Reindent constraints to align
1382 2005-11-14 David Edelsohn <edelsohn@gnu.org>
1384 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
1385 -mpopcntb, -mfprnd. Add -mcpu=power5+.
1386 * configure.ac: Add test for FP rounding instructions.
1387 * configure: Regenerate.
1388 * config.in: Regenerate.
1389 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1390 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
1392 * config/rs6000/rs6000.opt (mfprnd): New.
1393 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
1394 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
1395 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
1396 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
1397 (TARGET_FPRND): New.
1398 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
1400 (btrunc<mode>2): New.
1402 (floor<mode>2): New.
1403 (round<mode>2): New.
1405 2005-11-14 Geoffrey Keating <geoffk@apple.com>
1407 * gcc.c (version_compare_spec_function): Use fatal() rather than
1410 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
1411 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
1412 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
1414 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
1417 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
1418 on -mmacosx-version-min setting.
1420 2005-11-14 Diego Novillo <dnovillo@redhat.com>
1423 * tree-vrp.c (infer_value_range): Return false if STMT is a
1424 block terminator and its basic block has no successors.
1426 2005-11-14 Mike Stump <mrs@apple.com>
1428 * config/i386/i386.c (override_options): -masm=intel isn't
1429 supported on darwin.
1430 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1432 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
1434 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
1435 vfork after including auto-host.h.
1437 2005-11-15 Alan Modra <amodra@bigpond.net.au>
1439 PR rtl-optimization/22002
1440 * combine.c (distribute_notes): Detect cases where a reg dies
1441 two or more times in a bb, including on the insn we are combining,
1442 and place the death note on the correct range.
1444 2005-11-14 Dale Johannesen <dalej@apple.com>
1446 * expmed.c (store_bit_field): Add offset unconditionally for
1448 (extract_bit_field): Don't force extzv or extv operand into
1449 a register if field is too big.
1451 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1453 * config/arm/arm.c (pic_labelno): New.
1454 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
1455 LABEL_REF. Pass only the labelno to PIC insns.
1456 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1457 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
1458 * arm.md (UNSPEC_PIC_LABEL): New constant.
1459 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
1460 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
1461 Use the correct label prefix.
1463 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1465 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
1468 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
1470 * loop-invariant.c: Include tm_p.h.
1471 * Makefile.in: Updated.
1473 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1475 * pa.c (store_reg): Revise generation of frame notes in large frames.
1476 (set_reg_plus_d): Likewise.
1478 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
1480 PR tree-optimization/24709
1481 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
1484 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
1486 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
1487 and duplicate declaration of pthread_self.
1489 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
1490 Ian Lance Taylor <ian@airs.com>
1493 * calls.c (expand_call): If TARGET is a MEM and some part of the
1494 argument area has been saved, force TARGET to a register.
1496 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
1498 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
1501 2005-11-13 Jason Merrill <jason@redhat.com>
1504 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
1505 lazily declared methods.
1506 (force_decl_die): Stop if forcing out the context already make a
1508 (force_type_die): Likewise.
1510 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
1513 * builtins.c (integer_valued_real_p): Add break in
1514 REAL_CST having TREE_OVERFLOW set.
1516 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
1518 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
1519 addressing modes during calculation of costs.
1521 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
1523 * function.c (assign_stack_local_1): Restrict sanity check
1524 on frame size overflow to 32-bit and above platforms.
1526 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1528 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1529 * config/cris/cris.c: Include reload.h.
1530 (cris_initial_elimination_offset): New function.
1531 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
1534 2005-11-12 Richard Guenther <rguenther@suse.de>
1536 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
1538 2005-11-12 Jan Hubicka <jh@suse.cz>
1540 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
1541 to compare against 0 when possible.
1543 2005-11-12 Jie Zhang <jie.zhang@analog.com>
1545 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
1546 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1547 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
1548 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
1551 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1553 * recog.c (constrain_operands) <case 'g'>: For a match, require
1554 that a non-register matches general_operand when strict >= 0.
1556 2005-11-11 Steven Bosscher <stevenb@suse.de>
1558 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
1561 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1563 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
1564 (memory_address_same): New.
1565 (dse_optimize_stmt): Call memory_address_same.
1567 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1570 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
1571 ZERO_EXTEND>: New cases.
1573 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1575 * longlong.h (__clz_tab): Always provide.
1577 2005-11-11 Steven Bosscher <stevenb@suse.de>
1580 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
1582 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
1583 before check_maybe_invariant.
1584 (move_invariant_reg): Use gen_move_insn instead of replacing
1585 SET_DEST with the temporary for the invariant.
1586 (move_loop_invariants): If checking is enabled, do internal
1587 consistency checks after completing the pass.
1589 2005-11-11 David Edelsohn <edelsohn@gnu.org>
1592 * common.opt (Wvolatile-register-var): New.
1593 * varasm.c (make_decl_rtl): Only emit warning when option
1594 specified. Clarify warning message.
1595 * doc/invoke.texi (Wvolatile-register-var): Document new option.
1597 * doc/md.texi (copysign): Document standard named pattern.
1599 2005-11-11 Jie Zhang <jie.zhang@analog.com>
1601 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
1602 bytes when align is 2.
1603 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
1604 by the first instruction of the loop.
1606 2005-11-11 Jason Merrill <jason@redhat.com>
1609 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
1612 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1614 PR rtl-optimization/22509
1615 * local-alloc.c (memref_used_between_p): Check whether a function call
1616 could not reference the memref.
1618 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
1620 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
1621 algorithm so as to choose the best, not the worst, alternative.
1622 Reset accumulated register class before processing next alternative.
1624 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
1627 * calls.c (expand_call): Copy a return value to a plain register
1630 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
1633 * varasm.c (assemble_name): Recompute name only for transparent
1636 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
1638 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
1640 2005-11-04 Jeff Law <law@redhat.com>
1643 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
1644 perform reassociation if the parent statement will not die as
1645 a result of the optimization.
1647 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
1649 * tree-ssa-alias.c (compute_may_aliases): Remove call to
1650 delete_old_heap_vars.
1651 * tree-dfa.c (referenced_var_remove): Remove function.
1652 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
1653 (delete_tree_ssa): Remove call to delete_old_heapvars.
1654 Add call to delete_alias_heapvars.
1655 * tree-flow.h (referenced_var_remove): Remove prototype
1656 (init_alias_heapvars): New prototype.
1657 (delete_alias_heapvars): Ditto.
1658 * Makefile.in (tree-ssa-structalias.o): Add
1659 gt-tree-ssa-structalias.o
1660 (GTFILES): Add tree-ssa-structalias.h and
1661 tree-ssa-structalias.c.
1662 (s-gtype): Add gt-tree-ssa-structalias.h.
1663 * tree-ssa-structalias.c (heapvars): Remove.
1664 (oldheapvars): Remove.
1665 (heapvar_for_stmt): New variable.
1666 (heapvar_lookup): New function.
1667 (heapvar_insert): Ditto.
1668 (get_constraint_for): See if we have an old heapvar
1670 (init_alias_heapvars): New function.
1671 (delete_alias_heapvars): Ditto.
1672 Add include of gt-tree-ssa-structalias.h.
1674 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1677 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
1679 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
1681 * tree.c (int_fits_type_p): Only look at the base type
1682 if it has the same precision as the original type.
1684 2005-11-10 Jakub Jelinek <jakub@redhat.com>
1687 * varasm.c (assemble_alias): Use %q+D in the error
1688 message instead of %J and %qD.
1690 2005-11-10 Richard Guenther <rguenther@suse.de>
1692 * gcse.c (free_ldst_entry): Only free hashtable if
1695 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1697 * function.c (assign_stack_local_1): Issue an error message if
1698 the frame size overflows in the signed target arithmetics.
1700 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1702 * tree.c (build_qualified_type): Chain the new type to the original
1703 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1704 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1705 (build_pointer_type_for_mode): Only return unqualified types.
1706 (build_reference_type_for_mode): Likewise.
1708 2005-11-09 Jakub Jelinek <jakub@redhat.com>
1710 * Makefile.in (gnucompare): Do comparison of all files using one of
1711 the chosen methods and only afterwards decide if just warning should
1712 be issued or comparison failure raised.
1714 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1716 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
1717 (noce_try_abs): Negate if the comparison is reversed.
1718 Look only one instruction backwards for a REG_EQUAL note.
1720 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1723 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
1724 gthr-tpf.h: Define __gthrw. For all identifiers that might
1725 be weak, introduce weakrefs or non-weak aliases with __gthrw,
1726 and prefix all uses with __ghtrw.
1728 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1731 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
1732 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
1733 * c-common.c (handle_weakref_attribute): New.
1734 (c_common_attribute_table): Add weakref.
1735 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
1737 * configure, config.in: Rebuilt.
1738 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
1739 * doc/extend.texi: Document weakref attribute.
1740 * varasm.c (ultimate_transparent_alias_target): New
1741 (assemble_name): Use it.
1742 (weak_finish_1): Split out of...
1743 (weak_finish): ... and deal with weakrefs in...
1744 (weakref_targets): ... new list.
1745 (globalize_decl): Clean up weakref_targets.
1746 (do_assemble_alias): Handle weakrefs.
1747 (finish_aliases_1): Do not reject weakrefs to external symbols.
1748 (assemble_alias): Handle weakrefs.
1750 2005-11-09 Richard Guenther <rguenther@suse.de>
1752 PR tree-optimization/24716
1753 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
1754 t_bool to track results from follow_ssa_edge.
1756 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1758 * final.c (force_source_line): New global variable.
1759 (final_scan_insn): Set it to true instead of clearing last_filename.
1760 (notice_source_line): Return true if force_source_line is true,
1761 unless source info is absent.
1763 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
1766 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
1767 a linkage name for a variable if it a register variable.
1768 * c-decl.c (grokdeclarator): Global register variables
1769 should be set as PUBLIC.
1771 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1774 * config/s390/s390.c (struct s390_frame_layout): New fields
1775 first_save_gpr_slot and last_save_gpr_slot.
1776 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
1777 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
1778 first_save_gpr and last_save_gpr with the _slot variants.
1779 (s390_register_info): Calculate first_save_gpr_slot and
1780 last_save_gpr_slot using regs_ever_live.
1782 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1785 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
1786 for a function containing a landing pad.
1788 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1791 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
1794 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
1796 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
1797 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
1799 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
1802 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
1804 (call,load,store): New insn types.
1805 (mem_access, branch_access): Adjust reservation conditions.
1806 (define_delay): Adjust condition.
1807 (decrement_and_branch_until_zero): Allow for ms2. Set branch
1809 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
1810 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
1812 (call_internal, call_value_internal, return_internal,
1813 return_interrupt_internal, eh_return_internal, indirect_jump,
1814 tablejump): Set call insn type.
1815 (blockage, ei, di): Use appropriate unspec const.
1816 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
1817 (ms1_get_attr_type): Adjust to give load & store types.
1818 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
1819 backwards past a barrier.
1820 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
1822 (struct branch_info, struct label_info): New.
1824 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
1825 (ms1_machine_reorg): New.
1826 (TARGET_MACHINE_DEPENDENT_REORG): Override.
1827 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
1828 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
1829 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
1832 2005-11-09 Per Bothner <per@bothner.com>
1833 Uros Bizjak <uros@kss-loka.si>
1836 * toplev.c (process_options): Initialize debug_hooks early
1837 in case lang_hooks.post_options ends up calling a debug_hook.
1839 2005-11-08 Jakub Jelinek <jakub@redhat.com>
1841 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
1842 DBX_REGISTER_NUMBER being contiguous.
1844 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
1845 Diego Novillo <dnovillo@redhat.com>
1848 * tree-vrp.c (register_edge_assert_for): Do not register
1849 always-false predicates.
1851 2005-11-08 Devang Patel <dpatel@apple.com>
1853 PR tree-optimization/23115
1854 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
1857 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
1859 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
1862 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
1864 Fix PR tree-optimization/23382
1866 * tree-ssa-alias.c (compute_may_aliases): Call
1867 delete_old_heap_vars.
1868 * tree-dfa.c (referenced_var_remove): New function.
1869 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
1870 * tree-flow.h (referenced_var_remove): Add prototype.
1871 (delete_old_heap_vars): Ditto.
1872 * tree-ssa-structalias.c (heapvars): New variable.
1873 (oldheapvars): Ditto.
1874 (get_constraint_for): Put heap vars on heapvars list.
1875 (delete_old_heap_vars): New function.
1877 2005-11-08 Jason Merrill <jason@redhat.com>
1879 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
1881 2005-11-08 Uros Bizjak <uros@kss-loka.si>
1884 * reg-stack.c (reg_to_stack): Update register liveness also
1885 for flag_sched2_use_traces.
1887 2005-11-08 Alan Modra <amodra@bigpond.net.au>
1890 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
1891 override prior explicit -mno-powerpc-gfxopt.
1893 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
1895 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
1896 if the bitsize is zero.
1897 * doc/md.texi (Standard Pattern Names): Document it.
1899 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
1900 (TARGET_PASS_BY_REFERENCE): Likewise.
1902 2005-11-07 Ian Lance Taylor <ian@airs.com>
1904 PR rtl-optimization/24683
1905 * config/i386/i386.c (legitimize_pic_address): If constant operand
1906 to PLUS is too large, put it in a register.
1908 2005-11-07 Jie Zhang <jie.zhang@analog.com>
1910 * configure.ac: Enable checking assembler dwarf2 support for bfin
1912 * configure: Regenerate.
1914 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1918 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
1919 gen_easy_vector_constant_add_self): Delete.
1920 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
1922 (output_vec_const_move): Use gen_easy_altivec_constant.
1923 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
1924 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
1925 (easy_vector_constant_add_self): Rewritten.
1926 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
1927 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
1928 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
1929 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
1930 Macroize and adjust for the other changes.
1932 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1936 * c-typeck.c (build_c_cast): Try using a shared constant, and see
1937 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
1939 2005-11-07 Jakub Jelinek <jakub@redhat.com>
1941 PR rtl-optimization/23567
1942 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
1943 (noce_process_if_block): Don't do any optimizations except
1944 if (cond) x = x; if !set_b and write into orig_x may trap
1945 or fault. Remove the MEM_READONLY_P check.
1947 2005-11-06 Diego Novillo <dnovillo@redhat.com>
1950 * tree-vrp.c (fix_equivalence_set): New.
1951 (extract_range_from_assert): Call it.
1953 2005-11-05 Ian Lance Taylor <ian@airs.com>
1956 * combine.c (apply_distributive_law): Don't distribute across a
1959 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
1961 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
1962 config/ms1/ms1.h, config/rs6000/predicates.md,
1963 config/s390/s390.c, params.def, postreload-gcse.c,
1964 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
1965 tree-vrp.c, tree.c: Fix comment typos.
1966 * doc/invoke.texi: Fix typos.
1968 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
1970 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
1971 for testing whether the data_dependence_relation contains distance
1972 vectors. Iterate over all distance vectors of the ddr.
1973 * lambda.h: Define a vec of lambda_vector pointers.
1974 * tree-data-ref.c (dump_data_dependence_relation,
1975 dump_data_dependence_direction): Iterate over all distance and
1976 direction vectors of the ddr.
1977 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
1979 (build_classic_dist_vector, build_classic_dir_vector): Push a set
1980 of distance/direction vectors instead of a single one.
1981 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
1982 lambda_vectors with a vec of lambda_vectors.
1983 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
1984 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
1985 DDR_NUM_DIST_VECTS): New.
1986 * tree-loop-linear.c (gather_interchange_stats): Test for the
1987 existence of distance vectors only after having checked that there
1988 is a dependence. Iterate over all distance vectors of the ddr.
1989 (linear_transform_loops): Use dump_data_dependence_relation.
1990 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
1991 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
1992 distance vectors of the ddr.
1994 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
1996 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
1997 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
1998 IS_INTHANDLER; all callers changed.
1999 (n_regs_saved_by_prologue): Take interrupt handler attributes into
2001 (do_link, do_unlink): New argument ALL; all callers changed.
2002 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
2003 If function isn't leaf, save and restore all registers.
2004 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
2007 2005-11-05 Jan Hubicka <jh@suse.cz>
2009 PR rtl-optimization/23490
2010 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
2011 max-flow-memory-location): Document.
2012 * flow.c: Include params.h
2013 (MAX_MEM_SET_LIST_LEN): Kill.
2014 (add_to_mem_set_list): Use new param.
2015 * cse.c (cse_basic_block): Replace 1000 by new param.
2016 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
2017 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
2018 * predict.c (predict_loops): Use new param.
2019 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
2021 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
2022 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
2023 Do not hold memory returned by cgraph_node_name across other call.
2025 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
2028 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
2031 2005-11-04 Jeff Law <law@redhat.com>
2034 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
2035 * tree-ssa-dom.c: Include params.h.
2036 (thread_across_edge): If there are too many statements in the
2037 target block, then do not thread through it.
2038 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
2039 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
2041 2005-11-03 Diego Novillo <dnovillo@redhat.com>
2044 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
2045 TODO_update_ssa instead of TODO_update_ssa_no_phi.
2047 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
2050 * tree-scalar-evolution.c (instantiate_parameters_1,
2051 instantiate_parameters, resolve_mixers): Compute the size of an
2052 expression to be instantiated and give up the instantiation if the
2053 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2055 2005-11-04 Richard Guenther <rguenther@suse.de>
2057 * tree-flow.h (ref_contains_indirect_ref): Rename to
2058 array_ref_contains_indirect_ref.
2059 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
2060 (array_ref_contains_indirect_ref): Make comment match the code
2062 (ref_contains_array_ref): Likewise.
2063 * tree-ssa-structalias.c (find_func_aliases): Remove call to
2064 ref_contains_indirect_ref.
2065 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2066 Rename calls to ref_contains_indirect_ref.
2068 2005-11-04 Paul Brook <paul@codesourcery.com>
2070 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
2071 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
2072 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2073 * config/arm/arm.md: Use match_operand in peephole input templates
2074 and match_dup in peephole output templates.
2076 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2078 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
2081 2005-11-04 Mark Mitchell <mark@codesourcery.com>
2082 Daniel Jacobowitz <dan@codesourcery.com>
2084 * longlong.h (add_ssaaaa): Clobber condition code register
2086 (sub_ddmmss): Likewise.
2087 (umul_ppmm): Likewise.
2089 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2090 Paul Brook <paul@codesourcery.com>
2091 Phil Blundell <pb@reciva.com>
2093 * configure.ac: Add test for ARM TLS support.
2094 * configure: Regenerated.
2095 * config/arm/arm-protos.h (legitimize_tls_address)
2096 (arm_tls_referenced_p, tls_mentioned_p)
2097 (arm_output_addr_const_extra): New prototypes.
2098 (thumb_legitimize_pic_address): Delete.
2099 * config/arm/arm.c: Include "gt-arm.h".
2100 (enum tls_reloc): New.
2101 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
2102 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
2103 (arm_call_tls_get_addr, legitimize_tls_address)
2104 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
2105 (arm_init_tls_builtins, arm_emit_tls_decoration)
2106 (arm_output_addr_const_extra): New functions.
2107 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
2108 (TARGET_HAVE_TLS): Define.
2109 (target_thread_pointer): New.
2110 (arm_override_options): Handle -mtp=.
2111 (legitimize_pic_address): Ignore UNSPECs.
2112 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
2114 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
2115 (tls_get_addr_libfunc): New variable.
2116 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
2117 (arm_init_builtins): Call arm_init_tls_builtins.
2118 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
2119 (arm_encode_section_info): Call default_encode_section_info.
2120 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
2121 (enum arm_tp_type): New.
2122 (target_thread_pointer): Add declaration.
2123 (LEGITIMATE_CONSTANT_P): Handle TLS.
2124 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
2125 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
2126 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
2127 * config/arm/arm.md: Add UNSPEC_TLS.
2128 (movsi): Handle TLS.
2129 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
2131 (tls_load_dot_plus_eight): New insn and a peephole to create it.
2132 (load_tp_hard, load_tp_soft): New insns.
2133 * arm.opt: Add -mtp=.
2134 * doc/invoke.texi (ARM Options): Document -mtp.
2136 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2138 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
2139 * config/arm/libunwind.S: Include "lib1funcs.asm".
2140 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
2141 (LIB2ADDEH): Add libunwind.S.
2142 (LIB2ADDEHDEP): Add lib1funcs.asm.
2143 * mklibgcc.in: Handle asm files in libgcc_eh.a.
2145 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2148 * gcc/c.opt: Add a -lang-fortran option.
2149 * gcc/c-opts.c: Add a lang_fortran flag.
2150 (c_common_init_options): Handling the -lang-fortran option.
2151 (c_common_handle_option): Add a case for Fortran options in
2152 preprocessing. Remove cases for -ffixed-form and
2153 -ffixed-line-length. Add a case for -lang-fortran.
2155 2005-11-03 David Edelsohn <edelsohn@gnu.org>
2157 * config/rs6000/rs6000.c: Include params.h
2158 (optimization_options): Set max-grow-copy-bb-insns default to 16.
2159 (bdesc_2arg): Delete vpkuhss and vpkuwss.
2160 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
2161 (UNSPEC_VPKUWSS): Delete.
2162 (altivec_vpkuhss): Delete.
2163 (altivec_vpkuwss): Delete.
2164 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
2166 (neg_eq0<mode>): Remove final condition.
2167 (neg_eq<mode>): Remove condition and split-condition.
2169 2005-11-04 Alan Modra <amodra@bigpond.net.au>
2171 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
2172 Use associated print macros.
2174 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
2177 * diagnostic.c (diagnostic_set_info_translated): New function.
2178 (diagnostic_set_info): Use it. Add comment.
2179 * diagnostic.h (diagnostic_set_info_translated): Declare.
2181 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
2183 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
2184 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
2185 reference only if 'public' is true.
2186 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
2187 emit the .hidden directive only if the indirect reference is public.
2188 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
2189 Pass it to dw2_force_const_mem.
2190 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
2191 * dwarf2out.c (output_cfi): Adjust calls to above function.
2192 (output_call_frame_info): Likewise.
2193 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
2194 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
2196 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
2198 PR tree-optimization/24483
2199 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
2200 field to elts if possible.
2202 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
2205 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
2208 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
2210 Fix PR tree-optimization/24351
2212 * tree-ssa-structalias.c (struct variable_info): Add
2214 (get_varinfo_fc): New function to follow collapsing.
2215 (new_var_info): Set collapsed_to to NULL.
2216 (dump_constraint): Follow collapsing.
2217 (build_constraint_graph): Handle collapsing.
2218 (do_simple_structure_copy): Return false if something bad
2220 (collapse_rest_of_var): New function.
2221 (do_structure_copy): Collapse if do_simple_structure_copy returns
2224 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
2227 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
2228 expressions to a statement list instead of gimplifying them.
2230 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2232 PR rtl-optimization/23585
2233 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
2234 that can't trap plus a constant integer, if the mode has zero size.
2236 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
2239 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
2241 ("*insv<mode>_reg_extimm"): Likewise.
2243 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
2246 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
2247 c_common_type_for_mode returns an unnamed type.
2249 2005-11-02 Richard Henderson <rth@redhat.com>
2253 * dwarf2out.c (dwarf2out_reg_save_reg): New.
2254 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
2255 * function.c (assign_parms): Use calls.internal_arg_pointer.
2256 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
2258 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
2259 (TARGET_CALLS): Add it.
2260 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
2261 * targhooks.c (default_internal_arg_pointer): New.
2262 * targhooks.h (default_internal_arg_pointer): Declare.
2263 * tree.h (dwarf2out_reg_save_reg): Declare.
2264 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
2265 * config/i386/i386.c (dbx_register_map): Add return column.
2266 (dbx64_register_map, svr4_dbx_register_map): Likewise.
2267 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
2268 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
2269 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
2270 (ix86_save_reg): Save force_align_arg_pointer.
2271 (ix86_emit_save_regs): Make regno unsigned.
2272 (ix86_emit_save_regs_using_mov): Likewise.
2273 (ix86_expand_prologue): Handle force_align_arg_pointer.
2274 (ix86_expand_epilogue): Likewise.
2275 * config/i386/i386.h: (dbx_register_map): Update.
2276 (dbx64_register_map, svr4_dbx_register_map): Update.
2277 (struct machine_function): Add force_align_arg_pointer.
2278 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
2279 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
2280 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
2282 2005-11-02 Jan Hubicka <jh@suse.cz>
2285 * i386.md: Add peep2 for simplyfing array accesses.
2287 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
2290 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
2291 * config/s390/s390.c (s390_decompose_shift_count): New function.
2292 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
2293 (print_shift_count_operand): Use s390_decompose_shift_count.
2294 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
2295 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
2297 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
2300 * loop.c (loop_givs_rescan): Use force_operand to expand
2303 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
2306 * fold-const.c (build_range_check): Use unsigned when signed
2307 overflow is undefined also. If etype is subtype, make sure that
2308 the subtraction is in the supertype.
2310 2005-11-02 Richard Henderson <rth@redhat.com>
2313 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
2316 2005-11-01 Richard Henderson <rth@redhat.com>
2319 * loop.c (scan_loop): Do not propagate computations to a hard
2320 register destination with SMALL_REGISTER_CLASSES.
2322 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
2324 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
2325 costs for MULT inside PLUS or MINUS.
2327 2005-11-01 Bob Wilson <bob.wilson@acm.org>
2329 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
2330 (TRAMPOLINE_SIZE): Round up to 60.
2331 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
2333 2005-10-31 James E. Wilson <wilson@specifix.com>
2336 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
2337 ifdef. Put ifdefs around call in gen_subprogram_die.
2338 (compute_frame_pointer_to_cfa_displacement): Likewise.
2339 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
2342 PR rtl-optimization/17356
2343 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
2344 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
2346 2005-10-31 Jan Hubicka <jh@suse.cz>
2349 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
2352 * i386.c (legitimize_pic_address): Deal with large immediates.
2355 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
2356 from symbol names while computing checkup.
2359 * predict.c (predict_loops): Do not estimate more than
2360 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
2361 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
2363 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
2365 PR tree-optimization/19097
2366 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
2368 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
2370 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
2372 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
2375 * tree-inline.c (setup_one_parameter): If the init_stmt
2376 is NULL, don't insert the statement.
2378 2005-10-30 Jan Hubicka <jh@suse.cz>
2380 PR tree-optimization/24172
2381 * tree-inline.c (copy_body_r): Unshare the substituted value first.
2383 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
2385 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
2386 constants for hosts with long != 32 bits.
2388 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
2391 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
2393 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
2395 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
2396 (TARGET_MS1_16_002): New.
2397 (TARGET_MS1_16_003): New.
2399 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
2400 ("*decrement_and_branch_until_zero_no_clobber"): New.
2401 Add corresponding splitter for decrement_and_branch_until_zero
2403 Key all decrement_and_branch_until_zero patterns off of
2406 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
2409 * tree-complex.c (extract_component): Treat RESULT_DECL
2410 like the rest of the decls.
2412 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
2414 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
2415 indirect call to _mcount if the function needs a static chain.
2417 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
2418 Caroline Tice <ctice@apple.com>
2420 PR rtl-optimization/24460
2421 * dwarf2out.c (have_switched_text_sections): New boolean variable.
2422 (dwarf2out_switch_text_section): Set it to true instead of
2423 incrementing separate_line_info_table_in_use.
2424 (output_loc_list): Additionally test have_switched_text_sections.
2425 (output_ranges): Likewise.
2426 (dwarf2out_finish): Likewise.
2427 * varasm.c (assemble_start_function): Do not call
2428 insert_section_boundary_note.
2429 (assemble_end_function): If flag_reorder_blocks_and_partition,
2430 switch to the function's section before emitting the .size directive.
2431 * bb-reorder.c (insert_section_boundary_note): Staticify.
2432 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
2433 * output.h (insert_section_boundary_note): Delete.
2435 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
2438 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
2439 instead of pointer equality when comparing types.
2441 2005-10-24 James E. Wilson <wilson@specifix.com>
2443 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
2444 add_dependence_list_and_free calls.
2446 2005-10-24 Steven Bosscher <stevenb@suse.de>
2448 * contrib.texi: Add the names of the LLNL folks who donated
2449 Cray pointer support for gfortran.
2451 2005-10-24 Steven Bosscher <stevenb@suse.de>
2453 PR tree-optimization/24225
2454 * profile.c (branch_prob): Look from end to start through a
2455 basic block when looking for a locus.
2457 2005-10-24 Richard Henderson <rth@redhat.com>
2459 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
2461 (hppa_expand_prologue): Likewise.
2463 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2465 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
2466 (NO_DEFERRED_PROFILE_COUNTERS): Define.
2467 * pa.h (NO_PROFILE_COUNTERS): Define.
2468 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
2469 (funcdef_nos): New vector to hold label numbers of deferred profile
2471 (output_deferred_profile_counters): New function.
2472 (hppa_profile_hook): Push label number onto funcdef_nos.
2473 (pa_hpux_file_end): Call output_deferred_profile_counters if
2474 NO_DEFERRED_PROFILE_COUNTERS is false.
2476 * pa-protos.h (get_deferred_plabel): New prototype.
2477 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
2479 (output_call): Adjust calls.
2481 2005-10-24 Alan Modra <amodra@bigpond.net.au>
2483 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
2484 peculiarity of GOT/TOC section usage.
2486 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
2489 * c-common.c (constant_string_class_name): Add documentation.
2491 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
2494 * recog.c (peephole2_optimize): Increment peep2_current_count
2495 only when the slot is empty.
2497 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2500 * except.c (output_function_exception_table): Call
2501 assemble_external_libcall if we need a personality function.
2503 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2505 PR rtl-optimization/24460
2506 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
2507 set the basic block for barriers.
2509 2005-10-21 Janis Johnson <janis187@us.ibm.com>
2511 * var-tracking.c (vt_initialize): Initialize post.
2513 2005-10-21 Devang Patel <dpatel@apple.com>
2516 * c-common.c (vector_types_convertible_p): Check vector element type.
2518 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
2520 * config/sh/sh.c (prepare_move_operands): Handle the address
2521 constant which is a tls symbolic address plus a constant.
2523 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
2526 * gcc.c (main): Use the correct counter for erroring out
2527 about mulitple files.
2529 2005-10-21 Alan Modra <amodra@bigpond.net.au>
2532 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
2533 use r2 for 64-bit tls .got access.
2535 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
2537 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
2540 2005-10-20 Steven Bosscher <stevenb@suse.de>
2542 PR tree-optimization/24307
2543 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
2545 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
2548 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
2550 * varasm.c (find_decl_and_mark_needed): After cgraph global info
2551 is ready, stop marking functions, but still mark variables.
2553 2005-10-20 Richard Guenther <rguenther@suse.de>
2556 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
2559 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
2561 PR rtl-optimization/23585
2562 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
2563 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
2564 (may_trap_p_1): New predicate extracted from...
2565 (may_trap_p): ... here. Invoke may_trap_p_1.
2566 (may_trap_or_fault_p): New predicate.
2567 * rtl.h (may_trap_or_fault_p): Declare it.
2568 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
2569 instead of may_trap_p.
2570 (steal_delay_list_from_fallthrough): Likewise.
2571 (fill_simple_delay_slots): Likewise.
2572 (fill_slots_from_thread): Likewise.
2573 * function.c (pad_to_arg_alignment): Rework comment about
2574 SPARC_STACK_BOUNDARY_HACK.
2575 * config/sparc/sparc.h: Likewise.
2577 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
2579 * config/s390/s390.c (s390_expand_insv): New.
2580 * config/s390/s390-protos.h (s390_expand_insv): Declare.
2581 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
2582 ("icm_hi"): Remove mode attribute.
2583 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
2585 ("*extracthi", "*extractqi"): Remove.
2586 (extv<mode>", "*extzv<mode>"): New.
2587 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
2588 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
2590 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2592 * cfgexpand.c (discover_nonconstant_array_refs_r,
2593 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
2594 (tree_expand_cfg): Call discover_nonconstant_array_refs.
2595 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2596 discover_nonconstant_array_refs.
2598 2005-10-19 Steven Bosscher <stevenb@suse.de>
2601 * c-decl.c (pop_scope): Don't warn about an unused variable
2602 if it is marked with TREE_NO_WARNING.
2603 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
2604 somenow mismatch and olddecl is to be replaced.
2606 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
2609 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
2610 whether registers live on the edge can be saved/restored.
2612 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
2614 * config/sh/sh.c (fixup_mova): Skip notes.
2616 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2618 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
2619 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
2620 (s390_can_eliminate): Handle BASE_REGNUM elimination.
2621 (s390_initial_elimination_offset): Likewise.
2622 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
2623 register on TARGET_ZARCH targets.
2624 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
2625 (INITIAL_FRAME_POINTER_OFFSET): Remove.
2626 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
2627 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
2629 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2631 * config/s390/s390.md: Comment describing output modifiers updated.
2632 * config/s390/s390.c (print_operand): Likewise.
2634 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2636 * config/s390/s390.c (override_options): Added check for -mstack-size
2638 * doc/invoke.texi: Mention that limit in the documenation.
2640 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
2643 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
2645 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
2647 Fix PR tree-optimization/24231
2649 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
2650 (compute_avail): Ditto.
2652 2005-10-18 Richard Henderson <rth@redhat.com>
2655 * config/i386/i386.c (legitimate_constant_p): Check
2656 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
2658 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
2659 (legitimate_pic_address_disp_p): Reorg CONST checking to make
2660 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
2662 (print_operand_address): Likewise.
2663 * config/i386/predicates.md (x86_64_immediate_operand): Test
2664 SYMBOL_REF_TLS_MODEL properly inside CONST.
2665 (x86_64_zext_immediate_operand): Likewise.
2666 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
2667 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
2668 * config/i386/i386-protos.h: Remove predicates.md entries.
2670 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
2672 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2673 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
2675 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
2676 Ian Lance Taylor <ian@airs.com>
2679 * fold-const.c (fold_widened_comparison): Do not allow range based
2680 constant folding when right operand cannot be unwidened.
2682 2005-10-17 Richard Henderson <rth@redhat.com>
2684 * builtins.c (expand_builtin_synchronize): Build a new-style asm
2685 with a memory clobber.
2687 2005-10-17 James E Wilson <wilson@specifix.com>
2689 PR rtl-optimization/17356
2690 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
2691 checking for EDGE_EH.
2693 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
2695 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
2696 the slot on an even boundary for any type with 16-byte alignment.
2698 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
2701 * md.texi (Modifiers) <%>: Clarify that % doesn't work
2702 after register allocation.
2704 2005-10-17 DJ Delorie <dj@redhat.com>
2706 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
2709 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
2712 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
2715 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
2717 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
2718 to 2 if it's already non-zero.
2719 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
2720 is set and warn about it if flag_schedule_insns is 1.
2722 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
2724 * config/crx/crx.md: Compare-and-branch instructions need to
2727 2005-10-17 Uros Bizjak <uros@kss-loka.si>
2730 * config/i386/i386.md (*pushdi2_rex64 splitter)
2731 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
2732 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
2733 flow2 pass only when (optimize > 0 && flag_peephole2).
2735 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
2738 * gcc.c (have_c): New static variable.
2740 (process_command): Remove declation of have_c.
2741 Set have_o to 1 when handling -o.
2742 (main): Add a fatel error if there are multiple
2743 files specified and -o and -c/-S is passed witout
2744 -combine or multiple languages.
2746 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
2748 Fix PR tree-optimization/22444
2749 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
2750 Assert that we don't hit something with subvars.
2751 (setup_pointers_and_addressables): Don't add things with subvars,
2752 because we'll already process the subvars for aliasing purposes.
2754 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
2757 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
2758 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
2759 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
2760 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
2761 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
2762 swapped, alternatives for the R constraint.
2765 * builtins.c (get_builtin_sync_mode): Make unlimited
2766 mode_for_size request.
2768 2005-10-15 Richard Henderson <rth@redhat.com>
2770 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
2771 (gimplify_expr): ... here.
2772 (gimplify_compound_lval): Use it in initial scan loop. Allow
2773 fb_lvalue in base expression.
2775 2005-10-15 Richard Henderson <rth@redhat.com>
2778 * builtins.c (expand_builtin_trap): Export.
2779 * expr.h (expand_builtin_trap): Declare.
2780 * expr.c (expand_assignment): Emit a trap for integral offsets
2781 from registers that weren't reduced to bitpos.
2783 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
2784 (mark_array_ref_addressable): Remove.
2785 * tree-flow.h (mark_array_ref_addressable): Remove.
2786 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
2788 2005-10-15 James E Wilson <wilson@specifix.com>
2791 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
2792 (add_dependence_list_and_free): Likewise.
2793 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
2796 2005-10-15 Diego Novillo <dnovillo@redhat.com>
2800 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
2801 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
2803 (vrp_visit_phi_node): Only prevent infinite iterations when
2804 the previous result and the new result are both VR_RANGEs.
2806 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
2808 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
2811 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2814 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
2817 2005-10-14 Per Bothner <per@bothner.com>
2819 PR preprocessor/21250
2820 * c-ppoutput.c (print_line): Print internal line 0 as 1.
2822 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
2825 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
2826 overflow flags. Refactor some conditionals.
2828 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
2831 * tree-dfa.c (add_referenced_var): Only look at decls which
2832 have TREE_CONSTANT or TREE_READONLY set instead of if
2833 !TREE_PUBLIC or !TREE_CONSTANT.
2835 2005-10-13 James E Wilson <wilson@specifix.com>
2837 * doc/invoke.texi: For -x, add f95-cpp-input.
2838 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
2840 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
2842 PR tree-optimization/24262
2843 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
2844 in loop all the time.
2846 2005-10-12 Richard Henderson <rth@redhat.com>
2849 * tree.h (DECL_TRANSPARENT_UNION): Remove.
2850 * function.c (assign_parm_find_data_types): Don't support it.
2851 * print-tree.c (print_node): Likewise.
2852 * c-common.c (handle_transparent_union_attribute): Likewise.
2853 Use build_duplicate_type.
2854 * tree-inline.c (remap_type_1): Split out of remap_type;
2855 properly remap aggregate fields.
2856 (build_duplicate_type): New.
2857 * doc/extend.texi (Variable Attributes): Remove documentation
2858 for transparent_union.
2860 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2863 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
2864 (gen_stack_pointer_dec): Likewise.
2866 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
2870 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
2872 (struct cxx): Add adjust_class_at_definition target hook.
2873 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
2874 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
2875 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
2876 hook_void_tree. Add to TARGET_CXX.
2877 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
2879 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
2880 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
2881 instead of attribute. Check for dllexport override. Warn if
2882 inconsistent dll linkage. Don't lose old dllimport if decl has
2883 had address referenced. Tweak lookup of dllimport atribute.
2884 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
2885 for target specific rules. Don't add dllimport attribute if
2886 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
2887 dllimport attribute.
2888 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
2889 * varasm.c (initializer_constant_valid_p): Replace
2890 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
2894 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
2895 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
2896 (i[34567]86-*-mingw32*): Likewise.
2898 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
2899 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
2901 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
2902 C++-specific code. Change return value to bool.
2903 (i386_pe_dllimport_p): Likewise.
2904 (associated_type): Simplify and make language-independent
2905 (i386_pe_encode_section_info): Replace override of ambiguous
2906 dllimport symbol refs with a gcc_assert.
2907 (i386_pe_valid_dllimport_attribute_p): Define.
2908 * config/i386/winnt-cxx.c: New file. Define C++ versions of
2909 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2910 i386_pe_adjust_class_at_definition.
2911 * config/i386/winnt-stubs.c: New file. Define stub versions of
2912 lang-specific functions.
2913 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
2914 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2915 i386_pe_adjust_class_at_definition.
2916 (i386_pe_valid_dllimport_attribute_p): Declare.
2917 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
2918 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
2919 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
2922 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
2923 dllimport attribute with test of DECL_DLLIMPORT_P.
2925 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
2927 * combine.c (make_extraction): Correct offset computation.
2929 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
2931 * config/cris/t-linux (LIMITS_H_TEST): Define.
2933 2005-10-12 Richard Henderson <rth@redhat.com>
2936 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
2938 2005-10-12 Richard Guenther <rguenther@suse.de>
2940 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
2942 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
2945 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
2946 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
2949 2005-10-12 Richard Guenther <rguenther@suse.de>
2952 * varasm.c (output_constant): Correct typo from previous
2955 2005-10-11 Ian Lance Taylor <ian@airs.com>
2957 PR rtl-optimization/13931
2958 * combine.c: Revert patch of 2003-05-14, and:
2959 (try_combine): Only set elim_i1 and elim_i2 if the destination is
2960 completely killed in the appropriate insn.
2961 (distribute_notes): Don't skip multiple hard register test for
2962 elim_i1 and elim_i2.
2964 2005-10-11 Richard Henderson <rth@redhat.com>
2967 * c-typeck.c (convert_for_assignment): Use build_constructor_single
2968 to initialize a transparent union instead of a nop_expr.
2970 2005-10-11 Richard Henderson <rth@redhat.com>
2972 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
2973 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
2974 (tree_ssa_dce_loop): Call scev_reset.
2977 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
2978 * tree-ssa-dce.c: Include cfgloop.h.
2979 (tree_ssa_dce_loop, pass_dce_loop): New.
2980 * tree-pass.h (pass_dce_loop): Declare it.
2981 * passes.c (init_optimization_passes): Use it.
2983 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2986 * convert.c (convert_to_real): Revert 2005-10-05 patch.
2987 Only apply the optimization for rounding builtins if the inner
2988 cast is also an extension.
2990 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
2993 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
2994 mark_new_vars_to_rename instead of update_stmt.
2996 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
2998 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
3000 2005-10-11 Jakub Jelinek <jakub@redhat.com>
3002 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
3003 for setting MMX register to 0 rather than mmx.
3005 2005-10-10 Steve Ellcey <sje@cup.hp.com>
3008 * configure.ac: Move gas check from mips specific case to common case.
3009 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
3010 * configure: Regenerate
3011 * doc/install.texi: Update.
3013 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3016 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
3018 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
3020 * gcc.c (do_spec_1): Accept numeric characters in file name
3023 2005-10-10 Nick Clifton <nickc@redhat.com>
3025 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
3026 describing the deleted arm_gen_rotated_half_load function.
3028 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
3030 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
3033 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
3035 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
3037 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
3038 (EXTRA_MULTILIB_PARTS): Define.
3039 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3040 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3041 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
3042 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3043 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3044 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
3046 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
3048 PR tree-optimization/24226
3049 * tree-cfg.c (remove_bb): Clean up unreachable loops.
3050 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
3051 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
3054 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
3056 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
3058 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
3061 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
3062 Rewrite for no need for the early clobber.
3064 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
3066 Merge from csl-arm-branch:
3067 2005-09-07 Paul Brook <paul@codesourcery.com>
3068 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
3071 2005-04-30 Paul Brook <paul@codesourcery.com>
3072 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
3073 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
3075 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
3076 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
3077 (arm_override_options): Use TARGET_AAPCS_BASED.
3078 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
3079 (PTRDIFF_TYPE): Use int for AAPCS.
3080 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
3081 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
3082 (DEFAULT_SHORT_ENUMS): Delete.
3083 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
3085 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
3086 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
3087 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
3088 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
3090 2004-12-03 Mark Mitchell <mark@codesourcery.com>
3091 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
3093 2004-11-22 Mark Mitchell <mark@codesourcery.com>
3094 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
3096 2004-11-19 Mark Mitchell <mark@codesourcery.com>
3097 * config.gcc (arm*-*-linux-gnueabi): Add it.
3098 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
3100 (TARGET_OS_CPP_BUILTINS): Likeiwse.
3101 * config/arm/linux-eabi.h: New file.
3102 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
3103 (LINUX_TARET_LINK_SPEC): Likewise.
3104 (LINK_SPEC): Use it.
3105 * config/arm/t-linux-eabi: New file.
3107 2005-10-08 Steven Bosscher <stevenb@suse.de>
3110 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
3112 (PARAM_SMS_DFA_HISTORY): Likewise.
3114 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
3117 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
3118 (load_register_parameters): Call it.
3119 (check_sibcall_argument_overlap_1): Likewise.
3120 (store_one_arg): Likewise.
3122 2005-10-07 James E. Wilson <wilson@specifix.com>
3124 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
3125 DImode not VECINT24 for operand 2.
3128 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
3132 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
3133 fr_spill): Use destination_operand for operand 0.
3135 2005-10-07 DJ Delorie <dj@redhat.com>
3137 * varasm.c (output_constant): Limit error to expanding
3140 2005-10-07 Richard Guenther <rguenther@suse.de>
3143 * fold-const.c (fold_binary): Fix operand types during folding
3144 of X op (A, Y). Evaluation order of the side-effects of
3145 X and A are frontend-defined, so ensure we honour that even for
3146 tcc_comparison class operands; eased by removing duplicate code.
3148 2005-10-07 Steve Ellcey <sje@cup.hp.com>
3150 * stor-layout.c (layout_type): Do not allow alignment of array
3151 elements to be greater than their size.
3153 2005-10-07 Steve Ellcey <sje@cup.hp.com>
3155 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
3157 (hppa*-*-linux*): Ditto.
3158 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
3159 * config/host-hpux.c: New.
3160 * config/x-hpux: New.
3161 * config/pa/x-hpux: Remove.
3162 * config/pa/x-linux: Remove.
3163 * config/pa/pa-host.c: Remove.
3165 2005-10-07 Jeff Law <law@redhat.com>
3167 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
3168 determine whether or not to try and thread outgoing edges.
3170 2005-10-07 David Edelsohn <edelsohn@gnu.org>
3172 * config/rs6000/rs6000.md (eqsi_power): New.
3173 (neg_eq0si): Add TARGET_POWER to final condition.
3176 2005-10-06 Richard Henderson <rth@redhat.com>
3178 * config/rs6000/rs6000.c: Revert last change.
3180 2005-10-06 Richard Henderson <rth@redhat.com>
3182 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
3183 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
3185 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
3189 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
3190 out return_label and naked_return_label.
3192 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
3194 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
3197 2005-10-06 Richard Henderson <rth@redhat.com>
3200 * tree-inline.c (declare_return_variable): Handle modify_dest not
3203 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
3205 Fix PR tree-optimization/22488
3206 * tree-ssa-structalias.c (check_for_overlaps): New function.
3207 (create_variable_info_for): Use it.
3209 2005-10-06 Richard Henderson <rth@redhat.com>
3212 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
3213 (dwarf2out_start_source_file): Print it.
3215 2005-10-06 Geoffrey Keating <geoffk@apple.com>
3217 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
3219 2005-10-06 Richard Henderson <rth@redhat.com>
3222 * mode-switching.c (optimize_mode_switching): Clear transp bit
3223 for block with incomming abnormal edges.
3225 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
3226 (fpscr_set_from_mem): Use them.
3227 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
3228 (fpscr postinc splitters): Rewrite as peephole2+split.
3230 2005-10-06 David Edelsohn <edelsohn@gnu.org>
3232 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
3233 (eq<mode>_compare): Same.
3235 2005-10-06 Richard Guenther <rguenther@suse.de>
3237 PR tree-optimization/24238
3238 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
3240 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
3242 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
3243 here. Use AC_PATH_PROG for environment variables instead of
3245 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
3247 * configure: Regenerated.
3249 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
3252 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
3253 then force it into a register.
3254 (call_value): Likewise.
3256 2005-10-06 Richard Henderson <rth@redhat.com>
3259 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
3260 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
3261 under pass_vectorize.
3263 2005-10-05 Devang Patel <dpatel@apple.com>
3266 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
3267 handling constants. Check NAMESPACE_DECL context for constants.
3269 2005-10-05 Eric Christopher <echristo@apple.com>
3271 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
3273 2005-10-05 Richard Henderson <rth@redhat.com>
3276 * tree-cfg.c (mark_array_ref_addressable_1): New.
3277 (mark_array_ref_addressable): New.
3278 * tree-flow.h (mark_array_ref_addressable): Declare.
3279 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
3281 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
3285 * reload.c (subst_reloads): When adding a REG_LABEL to a
3286 jump instruction, also update JUMP_LABEL.
3288 2005-10-05 David Edelsohn <edelsohn@gnu.org>
3290 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
3291 * bb-reorder.c (copy_bb_p): Use it.
3292 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
3294 2005-10-05 Richard Henderson <rth@redhat.com>
3297 * toplev.c (process_options): Warn about unsupported combinations
3298 of unwind tables and omit-frame-pointer.
3299 * config/i386/i386.c (override_options): Similarly. Enable
3300 accumulate-outgoing-args if not explicitly disabled.
3302 2005-10-05 Steve Ellcey <sje@cup.hp.com>
3304 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
3305 Handle big endian vs. small endian.
3306 (vec_initv2sf): Handle big endian vs. small endian.
3307 (*vec_extractv2sf_1): Ditto.
3309 2005-10-05 Dale Johannesen <dalej@apple.com>
3311 * convert.c (convert_to_real): Don't convert
3312 (float)floor(double d) to floorf((float)d).
3314 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
3316 * config/arm/arm.md (insv): Use gen_int_mode in more places.
3318 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
3320 PR tree-optimization/18587
3321 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
3322 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
3323 build_vuses): Change to VEC type.
3324 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
3325 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
3326 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
3327 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
3328 (get_name_decl): New. Return DECL_UID of base variable.
3329 (operand_build_cmp): New. qsort comparison routine.
3330 (operand_build_sort_virtual): New. Sort virtual build vector.
3331 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
3332 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
3333 (FINALIZE_BASE): Use get_name_decl.
3334 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
3335 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
3336 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
3337 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
3338 direct VEC_* manipulations.
3339 (build_ssa_operands): Call operand_build_sort_virtual.
3340 (copy_virtual_operand, create_ssa_artficial_load_stmt,
3341 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
3342 with direct VEC_* manipulations.
3343 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
3344 with direct VEC manipulations.
3346 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
3348 PR tree-optimization/21419
3349 PR tree-optimization/24146
3350 PR tree-optimization/24151
3352 * c-typeck.c (readonly_error): Handle USE being lv_asm.
3353 (build_asm_expr): Call it if outputs are read-only.
3354 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
3356 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
3357 Paolo Bonzini <bonzini@gnu.org>
3361 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
3362 enable the instructions and not just the built-ins.
3363 * doc/invoke.texi (x86 Options): Likewise.
3365 2005-10-04 Geoffrey Keating <geoffk@apple.com>
3367 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
3369 * doc/invoke.texi (Option Summary): Correct spelling
3370 of -mmacosx-version-min.
3372 2005-10-04 Devang Patel <dpatel@apple.com>
3374 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
3377 2005-10-04 Steve Ellcey <sje@cup.hp.com>
3379 * tree-vect-transform.c (vect_create_epilog_for_reduction):
3380 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
3382 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
3384 * config/s390/s390.md ("TDSI","DP"): New mode macros.
3385 ("TE","tg"): New mode attributes.
3386 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
3387 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
3388 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
3389 dword_mode and one for GPRmode.
3391 2005-10-04 Ian Lance Taylor <ian@airs.com>
3393 PR preprocessor/13726
3394 * c-ppoutput.c (cb_include): Add comments parameter, and print out
3395 any comments passed in.
3397 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3399 * tree.c (annotate_with_file_line): Fix typo.
3401 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3404 * builtins.c (fold_builtin_memcmp): When constructing the pointer
3405 type used to access data in the inlined length == 1 case, use
3406 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
3407 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
3409 2005-10-04 Uros Bizjak <uros@kss-loka.si>
3411 * config/i386/i386.h (TARGET_FISTTP): Enable also for
3412 TARGET_SSE3 and only for TARGET_80387.
3413 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
3414 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
3415 Do not depend on TARGET_80387.
3417 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3419 * tree.c (last_annotated_node): Change type to location_t*.
3420 (annotate_with_file_line): Reflect the change of
3421 last_annotated_node type.
3423 2005-10-04 Richard Guenther <rguenther@suse.de>
3426 * c-decl.c (grokdeclarator): Don't write to fields
3429 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3432 * c-decl.c (finish_decl): Use set_user_assembler_name even for
3434 * varasm.c (make_decl_rtl): If a register variable does not
3435 have a set user assmbler name, error out.
3436 Decode the asmspec is now name+1 bypassing '*'.
3438 2005-10-04 Steven Bosscher <stevenb@suse.de>
3440 PR tree-optimization/23049
3441 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
3442 of a COND_EXPR is folded before calling fold on the whole rhs of a
3443 conditional assignment.
3444 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
3445 document that a COND_EXPR may appear there.
3447 2005-10-03 Diego Novillo <dnovillo@redhat.com>
3450 * tree-vrp.c (extract_range_from_assert): If the new numeric
3451 range created out of the assertion contradicts the existing
3452 numeric range of the ASSERT_EXPR variable, make the new range
3455 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
3457 * config/sh/sh.c (sh_register_move_cost): Add case for moving
3458 from T_REGS to FP register class.
3460 2005-10-03 Richard Henderson <rth@redhat.com>
3463 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
3464 before creating a new one.
3466 2005-10-03 David Edelsohn <edelsohn@gnu.org>
3468 * config/rs6000/t-aix43 (LDFLAGS): New.
3469 * config/rs6000/t-aix52 (LDFLAGS): New.
3471 2005-10-03 Ian Lance Taylor <ian@airs.com>
3473 * gimplify.c (find_single_pointer_decl_1): New static function.
3474 (find_single_pointer_decl): New static function.
3475 (internal_get_tmp_var): For a formal variable, set restrict base
3476 information if appropriate.
3477 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
3479 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
3480 (DECL_GET_RESTRICT_BASE): Define.
3481 (SET_DECL_RESTRICT_BASE): Define.
3482 (decl_restrict_base_lookup): Declare.
3483 (decl_restrict_base_insert): Declare.
3484 (struct tree_decl_with_vis): Add based_on_restrict_p field.
3485 * tree.c (restrict_base_for_decl): New static variable.
3486 (init_ttree): Initialize restrict_base_for_decl.
3487 (copy_node_stat): Copy restrict base information.
3488 (decl_restrict_base_lookup): New function.
3489 (decl_restrict_base_insert): New function.
3490 (print_restrict_base_statistics): New static function.
3491 (dump_tree_statistics): Call print_restrict_base_statistics.
3493 2005-10-02 Diego Novillo <dnovillo@redhat.com>
3496 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
3497 case of anti-ranges.
3499 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
3502 * c-typeck.c (tagged_tu_seen): Rename to ...
3503 (tagged_tu_seen_cache): this and add val field.
3504 (comptypes): Move functional to comptypes_internal
3505 and free tagged_tu_seen.
3506 (comptypes_internal): New function and call comptypes_internal
3507 instead of comptypes. Speed up by sibcalling
3508 tagged_types_tu_compatible_p.
3509 (alloc_tagged_tu_seen): New function
3510 (free_all_tagged_tu_seen_up_to): New function.
3511 (tagged_types_tu_compatible_p): Return the val of the seen two
3513 Add that the two types are the same to tagged_tu_seen_base
3514 if they are and call comptypes_internal instead of comptypes.
3515 <case UNION_TYPE>: Speed up common type where the fields are
3517 (function_types_compatible_p): Call comptypes_internal instead of
3519 (type_lists_compatible_p): Likewise.
3520 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
3522 2005-10-02 Matthias Klose <doko@debian.org>
3524 * doc/invoke.texi: Fix typo and speling error.
3526 2005-10-01 Richard Henderson <rth@redhat.com>
3528 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
3530 2005-10-01 Mark Mitchell <mark@codesourcery.com>
3532 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
3533 using --start-group and --end-group.
3535 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3537 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
3538 FIXME note regarding quirky semantics.
3540 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3543 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
3544 non-null range as a last resort.
3546 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
3547 Diego Novillo <dnovillo@redhat.com>
3550 * tree-vrp.c (extract_range_from_assert): For !=
3551 assertions, only build an anti-range if LIMIT is a
3552 single-valued range.
3554 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
3556 * arm.md (movqi): On thumb when optimizing, handle loading from
3557 memory by describing this as taking a subreg of a zero-extended load
3558 into an SImode register.
3561 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
3563 * reload1.c (merge_assigned_reloads): Do not change any
3564 RELOAD_FOR_OUTPUT_ADDRESS reloads.
3566 2005-09-30 Geoffrey Keating <geoffk@apple.com>
3568 * Makefile.in (LIPO_FOR_TARGET): Define.
3569 (STRIP_FOR_TARGET): Define.
3571 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
3572 before creating new ones. Do symlinks before creating the actual
3575 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
3576 to work out which multilibs are actually being built.
3578 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
3580 * tree-vect-transform.c, config/ms1/ms1.md,
3581 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
3582 Follow spelling conventions.
3583 * doc/invoke.texi, doc/md.texi: Fix typos.
3585 2005-09-30 Andrew Macleod <amacleod@redat.com>
3587 PR tree-optimization/21430
3588 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
3589 use operands, and set stmt pointer if need be.
3590 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
3591 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
3594 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3597 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
3599 2005-09-29 Mark Mitchell <mark@codesourcery.com>
3601 * optabs.c (expand_binop): Initialize first_pass_p.
3603 2005-09-29 Jakub Jelinek <jakub@redhat.com>
3606 * c-decl.c (c_write_global_declarations_1): If any
3607 wrapup_global_declaration_2 call returned true, restart the loop.
3609 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
3611 Fix PR tree-optimization/24117
3612 * tree-ssa-structalias.c (find_func_aliases): Strip nops
3613 before considering whether to use anyoffset.
3615 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3619 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3621 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3623 (swap_commutative_operands_with_target): New.
3625 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3628 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
3631 2005-09-29 Steven Bosscher <stevenb@suse.de>
3633 PR tree-optimization/23911
3634 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
3635 and IMAGPART_EXPR too.
3637 2005-09-28 Mark Mitchell <mark@codesourcery.com>
3640 * expmed.c (expand_shift): Move logic to reverse rotation
3641 direction when rotating by constants ...
3642 * optabs.c (expand_binop): ... here.
3643 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
3644 (ix86_rotrdi3): New pattern.
3645 (rotldi3): Handle 32-bit mode.
3646 (ix86_rotldi3): New pattern.
3648 2005-09-29 Alan Modra <amodra@bigpond.net.au>
3651 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
3652 check for numbers that need no bit twiddle.
3654 2005-09-28 Geoffrey Keating <geoffk@apple.com>
3656 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
3657 multilib to be built.
3659 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
3660 (stage1-start): Delete old libgcc and libunwind before moving
3661 anything into the stage directory.
3662 (stage2-start): Likewise.
3663 (stage3-start): Likewise.
3664 (stage4-start): Likewise.
3665 (stageprofile-start): Likewise.
3666 (stagefeedback-start): Likewise.
3667 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
3668 header in tm_file and CPU-specific t-darwin in tmake_file.
3669 (i[34567]86-*-darwin*): Don't change tm_file.
3670 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
3671 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
3672 shared library stub for target OS version.
3673 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
3674 (SHLIB_LINK): Don't make SHLIB_SOLINK.
3675 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
3676 (libgcc_s.%.dylib): New.
3678 (install-darwin-libgcc-stubs): New.
3679 (INSTALL_LIBGCC): New append.
3680 * config/i386/darwin-libgcc.10.4.ver: New.
3681 * config/i386/darwin-libgcc.10.5.ver: New.
3682 * config/i386/t-darwin: New.
3683 * config/rs6000/darwin-libgcc.10.4.ver: New.
3684 * config/rs6000/darwin-libgcc.10.5.ver: New.
3685 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
3686 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
3688 2005-09-28 Paul Brook <paul@codesourcery.com>
3690 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
3693 2005-09-28 Richard Guenther <rguenther@suse.de>
3695 PR tree-optimization/23853
3696 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
3697 host_integerp to verify misalignment value.
3699 2005-09-28 Richard Henderson <rth@redhat.com>
3701 * builtins.c (get_builtin_sync_mode): New.
3702 (expand_builtin_sync_operation): Pass in mode argument.
3703 (expand_builtin_compare_and_swap): Likewise.
3704 (expand_builtin_lock_test_and_set): Likewise.
3705 (expand_builtin_lock_release): Likewise.
3706 (expand_builtin): Update to match.
3708 2005-09-28 Nick Clifton <nickc@redhat.com>
3710 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
3711 formatting. Add check to PLUS case to ensure that the offset is
3712 within an acceptable range.
3714 * config/v850/v850.md (casesi): Disable the generation of the
3715 switch pattern as it is not being handled properly at the moment.
3717 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
3718 for when the high words are identical.
3720 2005-09-27 Richard Henderson <rth@redhat.com>
3722 * pretty-print.c (pp_base_format): Fix typo for %>.
3724 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
3725 Devang Patel <dpatel@apple.com>
3727 PR tree-optimization/23625
3728 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
3729 LABEL_EXPR, assertion check.
3731 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
3733 * optabs.c (no_conflict_move_test): Check if a result of a
3734 to-be-moved insn would be clobbered by an originally
3737 2005-09-27 Jeff Law <law@redhat.com>
3739 * passes.c (init_optimization_passes): Replace copy propagation
3740 passes immediately after DOM with phi-only copy propagation
3741 pases. Add phi-only copy propagation pass after first DOM pass.
3742 * tree-pass.h (pass_phi_only_copy_prop): Declare.
3743 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
3744 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
3745 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
3746 to init_copy_prop. Callers updated.
3747 (do_phi_only_copy_prop): New function.
3748 (pass_phi_only_copy_prop): New pass descriptor.
3750 2005-09-27 Nick Clifton <nickc@redhat.com>
3752 * libgcc2.c (__popcount_tab): Remove redundant prototype.
3754 2005-09-26 Jason Merrill <jason@redhat.com>
3757 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
3759 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
3761 2005-09-26 James E Wilson <wilson@specifix.com>
3763 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
3764 copyright. Add gcc copyright plus libgcc exception.
3765 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
3767 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
3769 2005-09-26 Jeff Law <law@redhat.com>
3771 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
3772 about when to iterate.
3774 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
3777 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
3778 for __complex__ double in -mcpu=G5 mode.
3780 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
3782 PR tree-optimization/23942
3783 * Makefile.in (SCEV_H): Depends on PARAMS_H.
3784 * tree-scalar-evolution.c: Include params.h.
3786 (follow_ssa_edge, follow_ssa_edge_in_rhs,
3787 follow_ssa_edge_in_condition_phi_branch,
3788 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
3789 Change return type to t_bool. Use a parameter to limit the size of
3790 trees that are walked before stopping
3791 (analyze_evolution_in_loop): Initialize the limit to 0.
3792 (follow_ssa_edge): Give up by returning t_dont_know if the limit
3793 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3795 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3798 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
3799 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
3801 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
3803 * combine.c (make_extraction): Check for valid use of subreg.
3805 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3808 * config/i386/i386.md ("*fistdi2_1"): New pattern.
3809 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
3810 ("fist<mode>2_with_temp"): Use only register operands.
3812 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
3814 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
3815 CALL_INSN_FUNCTION_USAGE.
3817 2005-09-26 Richard Guenther <rguenther@suse.de>
3820 * gcse.c: Include hashtab.h, define ldst entry hashtable.
3821 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
3822 (ldst_entry): Use the hashtable instead of list-walking.
3823 (find_rtx_in_ldst): Likewise.
3824 (free_ldst_entry): Free the hashtable.
3825 (compute_ld_motion_mems): Create the hashtable.
3826 (trim_ld_motion_mems): Remove entry from hashtable if
3827 removing it from list.
3828 (compute_store_table): Likewise^2.
3829 (store_motion): Free hashtable in case we did not see
3832 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
3834 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
3835 and arg1 if we are passing them to fold_build2.
3837 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
3840 * config/i386/i386.c (ix86_function_regparm): Fix the test for
3843 2005-09-25 Richard Henderson <rth@redhat.com>
3845 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
3846 SYMBOL_REF_TLS_MODEL to be correct.
3848 2005-09-24 Richard Henderson <rth@redhat.com>
3850 * ipa-type-escape.c (discover_unique_type): Remove dead code at
3851 end of function. Reindent.
3853 2005-09-24 Ian Lance Taylor <ian@airs.com>
3855 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
3856 NEGATE_EXPR/BIT_NOT_EXPR case.
3858 2005-09-24 Richard Henderson <rth@redhat.com>
3860 * c-common.c (handle_mode_attribute): When not modifying in place,
3861 create subtypes for enumerations.
3862 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
3863 * gimplify.c (create_tmp_from_val): Likewise.
3865 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
3867 * config/i386/i386.md (*tls_global_dynamic_64,
3868 *tls_local_dynamic_base_64): Add missing mode to call.
3869 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
3871 2005-09-24 Jan Hubicka <jh@suse.cz>
3873 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
3874 (cgraph_clone_node): Likewise.
3875 * cgraph.h (cgraph_clone_edge): Update prototype.
3876 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
3877 duplicated prototypes; add updating argument.
3878 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
3879 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
3881 (cgraph_mark_inline_edge): Likewise.
3882 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
3883 (cgraph_flatten_node): Likewise.
3884 (cgraph_decide_recursive_inlining): Likewise.
3885 (cgraph_decide_inlining_of_small_function): Likewise.
3886 * tree-optimize.c (tree_rest_of_compilation): Likewise.
3888 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3889 Pete Steinmetz <steinmtz@us.ibm.com>
3891 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
3892 (rldic.): Set type to "compare".
3894 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
3895 mfjmpr for MFCTR/MFLR.
3896 (movdf_hardfloat64): Same.
3897 (movdf_softfloat64): Same. Correct order of store and move types.
3898 (movti_string): Set type to store_ux/load_ux.
3899 (load_multiple): Set type to load_ux.
3900 (store_multiple): Set type to store_ux.
3901 (movmemsi): Set type to store_ux.
3902 (output_cbranch direct_return): Set type to jmpreg.
3903 (stmw): Set type to store_ux.
3904 (lmw): Set type to load_ux.
3905 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
3906 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
3907 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
3908 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
3909 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
3910 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
3911 (rios1-fpstore): Increase latency to 3.
3912 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
3913 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
3915 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3916 Andrew Pinski <pinskia@physics.uc.edu>
3918 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
3919 operand2 constraint to "b".
3920 (sync_<fetchop_name>di_internal): Same.
3921 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
3923 (sync_old_<fetchop_name>di_internal): Same.
3924 (sync_new_<fetchop_name>si_internal): Same.
3925 (sync_new_<fetchop_name>di_internal): Same.
3927 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
3930 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
3931 case, define as macros.
3933 PR rtl-optimization/23837
3934 * optabs.c (no_conflict_move_test): Don't set must_stay for a
3935 clobber / clobber match between dest and p->first.
3937 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
3938 (no_conflict_move_test): Update comments.
3940 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3942 * doc/install.texi: Update URL for Jacks.
3943 * doc/sourcebuild.texi: Likewise.
3945 2005-09-22 David Edelsohn <edelsohn@gnu.org>
3948 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
3949 registers when choosing register preferences.
3950 (movdf_hardfloat64): Same.
3952 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
3954 * expmed.c (expand_shift): Don't use the target of the rotate as
3955 target for the first expanded shift insn.
3956 * testsuite/gcc.dg/20050922-1.c: Testcase added.
3958 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
3960 PR tree-optimization/22438
3961 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
3962 preserved iv rhs rewriting specially.
3964 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
3966 * tree-data-ref.c (analyze_array_indexes): Only estimate when
3967 estimate_only is true.
3968 * tree-flow.h (ref_contains_indirect_ref): New prototype.
3969 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
3970 tree-ssa-structalias.c
3971 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
3972 ref_contains_indirect_ref.
3973 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
3975 2005-09-21 DJ Delorie <dj@redhat.com>
3977 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
3979 (mn10300_return_in_memory): Support variable size types also.
3980 (mn10300_pass_by_reference): Likewise.
3981 (mn10300_function_value): New.
3982 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
3983 (FUNCTION_OUTGOING_VALUE): Likewise.
3984 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
3985 * doc/invoke.texi: Document it.
3987 2005-09-21 Uros Bizjak <uros@kss-loka.si>
3990 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
3991 force integer op1 into register for XFmode compares.
3993 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3996 * expmed.c (alg_code): Add alg_impossible.
3997 (alg_hash_entry): Add cost.
3998 (synth_mult): Record alg_impossible in the hash table if
3999 multiplication by a given integer is impossble within the
4000 limit. Speed up using alg_impossible.
4002 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
4004 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
4005 argument. Allow and set any offset if needs_anyoffset is passed
4007 (get_constraint_for): Add argument here too.
4009 (do_structure_copy): Pass NULL to get_constraint_for.
4010 (handle_ptr_arith): Ditto.
4011 (find_func_aliases): Ditto.
4013 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
4015 PR rtl-optimization/23898
4016 * output.h (get_attr_min_length): Declare.
4017 * final.c (get_attr_length_1): New function, broken out of:
4019 (get_attr_min_length): New function.
4020 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
4021 (duplicate_computed_gotos): Likewise.
4022 * genattr.c (insn_min_length): Generate declaration.
4023 * genattrtab.c (min_fn, min_attr_value): New functions.
4024 (make_length_attrs): Generate insn_min_length.
4026 2005-09-20 Steve Ellcey <sje@cup.hp.com>
4028 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
4030 2005-09-20 Richard Henderson <rth@redhat.com>
4032 PR tree-optimization/24059
4033 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
4036 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
4038 * c.opt (fextended-identifiers): New.
4039 * c-opts.c (c_common_handle_option): Handle
4040 -fextended-identifiers.
4041 * doc/cpp.texi: Update documentation of extended identifiers.
4042 * doc/cppopts.texi (-fextended-identifiers): Document.
4044 2005-09-20 Jakub Jelinek <jakub@redhat.com>
4046 PR tree-optimization/23929
4047 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
4050 PR tree-optimization/23818
4051 * tree-stdarg.c (execute_optimize_stdarg): Call
4052 calculate_dominance_info.
4054 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
4056 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
4057 (analyze_siv_subscript_cst_affine): Add weak SIV test.
4058 (compute_overlap_steps_for_affine_1_2): Use
4059 get_number_of_iters_for_loop.
4060 (analyze_subscript_affine_affine): Check whether difference is
4062 Use get_number_of_iters_for_loop.
4063 Check whether overlap occurs outside of bounds.
4064 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
4066 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
4068 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
4069 base register if possible.
4071 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
4073 PR tree-optimization/18463
4074 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
4075 converting it directly is not possible.
4076 (chrec_convert_aggressive): New function.
4077 * tree-chrec.h (chrec_convert_aggressive): Declare.
4078 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
4079 Fold chrec conversions aggressively if asked to.
4080 (instantiate_parameters): Modified because of changes in
4081 instantiate_parameters_1.
4083 2005-09-19 Richard Henderson <rth@redhat.com>
4085 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
4086 (reduc_splus_v2df): New.
4088 2005-09-19 Richard Sandiford <richard@codesourcery.com>
4090 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
4091 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
4093 2005-09-19 Richard Henderson <rth@redhat.com>
4095 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
4098 2005-09-19 Richard Henderson <rth@redhat.com>
4100 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
4101 (ia64_expand_dot_prod_v8qi): New.
4102 * config/ia64/ia64-protos.h: Update.
4103 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
4104 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
4105 sdot_prodv8qi, sdot_prodv4hi): New.
4106 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
4108 2005-09-19 Richard Henderson <rth@redhat.com>
4111 * real.c (exact_real_truncate): Return false if the format cannot
4112 represent the number as a normal.
4114 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
4115 for a memory source.
4117 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
4119 * tree-ssa-operands.c (swap_tree_operands): Export.
4120 * tree.h (swap_tree_operands): Declare.
4121 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
4122 Call swap_tree_operands.
4124 2005-09-19 Richard Henderson <rth@redhat.com>
4126 * tree-flow.h (merge_alias_info): Declare.
4127 * tree-ssa-copy.c (merge_alias_info): Export.
4128 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
4129 (vect_create_data_ref_ptr): Use create_iv directly.
4130 (vectorizable_load): Use correct types for integer constants.
4131 (vect_generate_tmps_on_preheader): Likewise.
4132 (vect_gen_niters_for_prolog_loop): Likewise.
4134 2005-09-19 Steven Bosscher <stevenb@suse.de>
4136 PR rtl-optimization/23943
4137 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
4139 2005-09-18 Jan Hubicka <jh@suse.cz>
4141 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
4143 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
4145 * varasm.c (output_constant): Do not abort on conversions to union
4146 types between different sizes.
4148 2005-09-18 Richard Guenther <rguenther@suse.de>
4151 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
4154 2005-09-18 Paul Brook <paul@codesourcery.com>
4156 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
4158 2005-09-17 Richard Henderson <rth@redhat.com>
4160 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
4161 * tree-ssa-loop.c (pass_vect_dce): Remove.
4162 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
4165 2005-09-17 Richard Henderson <rth@redhat.com>
4167 * tree-pass.h (pass_vect_dce): Declare.
4168 * passes.c (init_optimization_passes): Add it.
4169 * tree-flow.h (tree_ssa_dce): Declare.
4170 * tree-ssa-dce.c (tree_ssa_dce): Export.
4171 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
4172 (gate_tree_vectorize): ... here.
4173 (pass_vect_dce): New.
4175 2005-09-17 Jan Hubicka <jh@suse.cz>
4177 * except.c (struct eh_status): Turn region_array into vec.
4178 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
4179 convert_from_eh_region_ranges, find_exception_handler_labels,
4180 current_function_has_exception_handlers, assign_filter_values,
4181 build_post_landing_pads, dw2_build_landing_pads,
4182 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
4183 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
4184 foreach_reachable_handler, can_throw_internal_1,
4185 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
4187 (duplicate_eh_region_1): Update region_array.
4188 (duplicate_eh_regions): Resize region_array and avoid recomputing.
4190 2005-09-17 David Edelsohn <edelsohn@gnu.org>
4193 * expmed.c (expand_mult): Substitute simple register for op0 when
4196 2005-09-17 Richard Henderson <rth@redhat.com>
4198 * expr.c (emit_move_via_integer): Add force argument, pass it on
4199 to emit_move_change_mode. Update callers.
4200 (emit_move_complex): Pass true to new force argument.
4201 * function.c (expand_function_end): Move expand_eh_return call
4202 earlier. Merge sub-word complex values into a pseudo before
4203 copying to the return hard register.
4205 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
4207 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
4208 between different sizes.
4210 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
4214 * passes.c (init_optimization_passes): Register dump files for
4217 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
4219 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
4220 * config/s390/s390.c (s390_overlap_p): New function.
4221 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
4222 peephole2, "*xc" peephole2): Added overlap check to the peephole2
4225 2005-09-16 Richard Guenther <rguenther@suse.de>
4227 * ipa-pure-const.c (static_execute): Free auxiliar information.
4228 * ipa-type-escape.c (discover_unique_type): Free temporary key.
4229 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
4231 2005-09-15 DJ Delorie <dj@redhat.com>
4233 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
4235 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
4237 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4239 (swap_commutative_operands_with_target): New.
4241 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
4243 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
4246 (estimate_iters_using_array): New function.
4247 * tree-data-ref.h (estimate_iters_using_array): Prototype
4248 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4249 Use estimate_iters_using_array instead of analyze_array.
4251 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
4253 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
4256 2005-09-15 Michael Matz <matz@suse.de>
4258 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
4260 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
4262 PR tree-optimization/23835
4263 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
4264 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
4266 2005-09-14 Richard Henderson <rth@redhat.com>
4268 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
4269 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
4271 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
4273 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
4274 in the ARRAY_TYPE case.
4276 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
4278 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
4280 2005-09-14 Uros Bizjak <uros@kss-loka.si>
4283 * tree-vect-transform.c (vectorizable_operation): Return false for
4284 scalar shift operations and for vector shift operations with
4285 non-invariant shift arguments. Use scalar tree operand op1 as
4286 a shift operand when vector shift insn pattern uses scalar shift
4288 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
4290 2005-09-14 Olivier Hainque <hainque@adacore.com>
4292 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
4293 value if it has side-effects.
4295 2005-09-14 David Edelsohn <edelsohn@gnu.org>
4298 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
4300 2005-09-14 Alan Modra <amodra@bigpond.net.au>
4302 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
4303 passed as NAME as if it were label at start of function code.
4305 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
4307 * config/sh/sh.md (*movv4sf_i): Add general register cases to
4310 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4312 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
4313 as early clobber. Rewrite so the PIC register is not implicitly used.
4315 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4317 * tree.c (annotate_with_file_line): Compare line numbers before
4320 2005-09-13 Uros Bizjak <uros@kss-loka.si>
4323 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
4324 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
4326 2005-09-13 Ian Lance Taylor <ian@airs.com>
4328 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
4329 than a HOST_WIDEST_INT to gen_doloop_begin.
4331 2005-09-13 Diego Novillo <dnovillo@redhat.com>
4333 * tree-dfa.c (dump_variable): Guard against NULL annotations.
4335 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
4337 PR tree-optimize/23817
4338 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
4340 2005-09-13 Alan Modra <amodra@bigpond.net.au>
4343 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
4344 word before changing the stack pointer. Use gen_frame_mem for MEMs.
4345 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
4346 (restore_stack_nonlocal): Likewise.
4347 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
4349 2005-09-12 Ian Lance Taylor <ian@airs.com>
4352 * c.opt (ffriend-injection): New C++ option.
4353 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
4354 (C++ Dialect Options): Document -ffriend-injection.
4356 2005-09-12 Josh Conner <jconner@apple.com>
4359 * ipa-reference.c (static_execute): Don't mark variables in
4360 named sections TREE_READONLY.
4362 2005-09-12 Alan Modra <amodra@bigpond.net.au>
4364 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
4367 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4369 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
4370 V_MUST_DEF instead of just the first_use_p.
4371 Don't mark the virtual variables for renaming on the statement which
4373 (pass_dse): Remove TODO_update_ssa.
4375 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
4378 * stor-layout.c (compute_record_mode): For records with a single
4379 field, actually check the field's mode size against the type size.
4381 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
4382 registers for TARGET_SHMEDIA.
4383 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
4384 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
4385 of GENERAL_REGS and FP_REGS.
4387 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
4389 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
4391 2005-09-12 Alan Modra <amodra@bigpond.net.au>
4393 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
4394 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
4395 are omitted. Exclude stack_tie insn too.
4397 2005-09-11 David Edelsohn <edelsohn@gnu.org>
4399 PR rtl-optimization/23098
4400 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
4402 * config/rs6000/rs6000.md (movdf splitter): Use
4403 const_double_operand predicate for TARGET_POWERPC64.
4404 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
4405 SYMBOL_REF method to ABI_V4.
4407 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
4408 replace_equiv_address.
4409 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
4410 rs6000_sr_alias_set and MEM_NOTRAP.
4411 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
4413 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
4415 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
4416 handle CALL_EXPR again.
4418 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
4420 * arm/predicates.md (alignable_memory_operand): Delete.
4422 2005-09-10 Richard Henderson <rth@redhat.com>
4425 * dbxout.c (dbxout_expand_expr): New.
4426 (dbxout_symbol): Use it.
4428 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
4430 * arm.c (arm_gen_rotated_half_load): Delete.
4431 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
4432 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
4433 (thumb_set_return_address): Likewise.
4434 (thumb_load_double_from_address): Use adjust_address.
4435 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
4436 (extendhsisi2_mem, movhi_bytes): Use change_address.
4437 (movhi): Use widen_memory_access.
4438 (reload_out_df): Use replace_equiv_address.
4439 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
4441 2005-09-09 Richard Henderson <rth@redhat.com>
4444 * dbxout.c: Include expr.h.
4445 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
4446 (dbxout_symbol): Handle DECL_VALUE_EXPR.
4447 * Makefile.in (dbxout.o): Add EXPR_H.
4449 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
4451 PR tree-optimization/23509
4452 * tree-cfg.c (replace_uses_by): Use replace_exp.
4453 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
4454 pointers have name_mem_tag or type_mem_tag set.
4456 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4458 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
4459 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
4460 of wrongly accessing operands.
4462 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4464 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
4465 * tree-chrec.c: Include tree-scalar-evolution.h.
4466 (chrec_convert): Instantiate the base and step before calling
4467 scev_probably_wraps_p that would fail on parametric evolutions.
4468 Collect all the fails into a single section failed_to_convert,
4469 print a diagnostic, and return chrec_dont_know instead of calling
4471 * tree-scalar-evolution.c (loop_closed_phi_def): New.
4472 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
4474 (scev_const_prop): Don't replace the definition of a loop closed ssa
4475 phi node by itself, or by another loop closed ssa phi node.
4476 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
4477 that base and step are defined.
4479 2005-09-09 Richard Guenther <rguenther@suse.de>
4482 * fold-const.c (fold_ternary): Check truth_value_p before
4483 calling invert_truthvalue.
4485 2005-09-09 Nick Clifton <nickc@redhat.com>
4487 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
4488 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
4489 dimension of these arrays.
4490 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
4492 * longlong.h: Only provide a prototype for the __clz_tab[] array
4493 if this header has not been included from libgcc2.h.
4494 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
4496 Provide prototypes for exported functions.
4497 Use the __clz_tab[] and __popcount_tab[] arrays provided by
4500 2005-09-08 Josh Conner <jconner@apple.com>
4504 * expr.c (expand_expr_addr_expr_1): Don't invoke
4505 expand_simple_binop for EXPAND_INITIALIZER.
4507 2005-09-08 Richard Henderson <rth@redhat.com>
4510 * toplev.c (wrapup_global_declaration_1): Split out ...
4511 (wrapup_global_declaration_2): ... from ...
4512 (wrapup_global_declarations): ... here. Return bool.
4513 (check_global_declaration_1): Split out ...
4514 (check_global_declarations): from here.
4515 (emit_debug_global_declarations): New.
4516 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
4517 check_global_declaration_1, emit_debug_global_declarations): Declare.
4518 * c-decl.c (c_write_global_declarations_1): Don't create a vector
4519 of decls. Call wrapup_global_declaration_1,
4520 wrapup_global_declaration_2, check_global_declaration_1 directly.
4521 (c_write_global_declarations_2): New.
4523 (c_write_global_declarations): Call c_write_global_declarations_2.
4524 * langhooks.c (write_global_declarations): Call
4525 emit_debug_global_declarations.
4527 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
4528 remove decls that have DECL_RTL_SET_P.
4529 * passes.c (rest_of_decl_compilation): Invoke
4530 cgraph_varpool_finalize_decl for all but functions.
4532 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
4534 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
4535 the result of a conversion if the new min and max cannot be compared.
4537 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
4539 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
4540 (override_options): Setting s390_sr_alias_set removed.
4541 (save_fpr, save_gprs): Set alias set to vararg or frame.
4542 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
4543 s390_sr_alias_set with get_frame_alias_set ().
4544 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
4545 get_varargs_alias_set ().
4547 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4551 * c-parser.c (c_parser_objc_method_definition): If the next
4552 token is not "{", error out and don't start the function.
4554 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4556 * tree-vrp.c (extract_range_from_expr): Move the check for non
4557 nullness after the check for gimple invariant.
4559 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4561 * tree.c (host_integerp, tree_low_cst): Correct function comment.
4563 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4566 * config/m32r.md (movmemsi_internal): Canonicalize order of
4567 operands in PLUS component of template.
4569 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
4571 * reload1.c (fixup_eh_region_note): Remove assertion.
4572 (fixup_abnormal_edges): Reverted removal of call to
4573 find_many_sub_basic_blocks made on 2005-08-31.
4575 2005-09-07 Richard Henderson <rth@redhat.com>
4577 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
4578 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
4579 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
4580 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
4581 rearrange for better packing.
4582 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
4583 (lookup_cfa_1): Remove inline marker.
4584 (cfa_equal_p): Split out of ...
4585 (def_cfa_1): ... here. Use INVALID_REGNUM.
4586 (build_cfa_loc): Handle !cfa->indirect.
4587 (frame_pointer_cfa_offset): New.
4588 (dbx_reg_number): Assert register elimination performed; do
4589 leaf register remapping.
4590 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
4591 (eliminate_reg_to_offset): New.
4592 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
4593 for verifiably local stack frame addresses; re-base to CFA.
4594 (mem_loc_descriptor): Remove can_use_fbreg argument.
4595 (concat_loc_descriptor, loc_descriptor): Likewise.
4596 (containing_function_has_frame_base): Remove.
4597 (rtl_for_decl_location): Don't do register elimination or
4598 leaf register remapping here.
4599 (secname_for_decl): Split out from ..
4600 (add_location_or_const_value_attribute): ... here.
4601 (convert_cfa_to_loc_list): New.
4602 (compute_frame_pointer_to_cfa_displacement): New.
4603 (gen_subprogram_die): Use them.
4604 * tree.h (frame_base_decl): Remove.
4605 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
4606 (prologue_stack_adjust): Remove.
4607 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
4608 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
4609 (set_frame_base_location): Remove.
4610 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
4611 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
4612 (vt_add_function_parameters): Don't eliminate_regs.
4613 (vt_initialize): Don't create frame_base_decl.
4615 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4617 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
4618 version of GNU binutils for 4.x and later.
4620 2005-09-06 Mark Mitchell <mark@codesourcery.com>
4622 * ggc-page.c (ggc_push_context): Remove.
4623 (ggc_pop_context): Likewise.
4624 * ggc.h (ggc_push_context): Remove.
4625 (ggc_pop_context): Likewise.
4627 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4630 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
4631 returning from an interrupt handler.
4633 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4636 * config/arc/arc.c (output_shift): Add check for loop count when
4639 2005-09-06 Steven Bosscher <stevenb@suse.de>
4641 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
4643 (abs_replacement): Likewise.
4644 (pass_phiopt): Remove TODO_update_ssa.
4646 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4649 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
4650 if "return with no value, in function returning non-void" warning
4652 * tree-cfg.c (execute_warn_function_return): Don't look at
4653 RETURN_EXPRs with TREE_NO_WARNING set.
4656 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
4657 for internal functions doesn't use registers used by global registers
4658 variables. Use fewer register parameters if there are global register
4661 2005-09-06 Olivier Hainque <hainque@adacore.com>
4662 Eric Botcazou <ebotcazou@adacore.com>
4665 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
4666 when we would be extracting outside its bit span (bitpos+bitsize
4667 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
4668 Ada unchecked conversions.
4670 2005-09-06 Steven Bosscher <stevenb@suse.de>
4672 * tree-ssa-pre.c (try_look_through_load): New function.
4673 (compute_avail): Use it to try to look through loads for some
4674 more useful expressions.
4676 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4678 * simplify-rtx.c (simplify_binary_operation_1): Correct the
4679 condition for detecting cases like (a&a) and (a^a).
4681 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
4683 * common.opt: Add option ftree-vect-loop-version.
4684 * params.def: Add --param vect-max-version-checks.
4685 * doc/invoke.texi: Document ftree-vect-loop-version and
4686 --param vect-max-version-checks.
4687 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
4688 may_misalign_stmts and defines for accessors.
4689 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
4690 LOOP_VINFO_MAY_MISALIGN_STMTS.
4691 (destroy_loop_vec_info): VEC_free for
4692 LOOP_VINFO_MAY_MISALIGN_STMTS.
4693 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4694 Update documentation.
4695 (vect_update_misalignment_for_peel): New.
4696 (vect_enhance_data_refs_alignment): Update to choose loop
4697 peeling or loop versioning if appropriate for the (potentially)
4698 unaligned data references in the loop.
4699 (vect_analyze_data_refs_alignment): Remove call to
4700 vect_enhance_data_refs_alignment so the checks can be done
4702 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
4703 and move up call to vect_analyze_data_refs_alignment.
4704 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
4705 (vect_transform_loop): Add call to loop_version.
4707 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4709 PR rtl-optimization/23098
4710 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
4711 * simplify-rtx.c (constant_pool_reference_p): New function.
4712 * rtl.h (constant_pool_reference_p): New prototype.
4713 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
4714 constant_pool_reference_p in condition and
4715 avoid_constant_pool_reference in preparation statements.
4717 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
4719 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
4720 STRICT_LOW_PART SETs.
4722 2005-09-06 Alan Modra <amodra@bigpond.net.au>
4725 * except.c (sjlj_emit_function_enter): Find the function begin
4726 note even when it's not in first basic block.
4728 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
4730 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
4731 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
4732 * aclocal.m4: Regenerate.
4734 2005-09-05 DJ Delorie <dj@redhat.com>
4736 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
4739 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
4741 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
4742 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
4743 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
4744 Follow spelling conventions.
4745 * doc/invoke.texi: Follow spelling conventions.
4747 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4749 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
4750 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
4751 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
4753 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4756 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
4757 (output_stack_adjust): Use gen_tmp_stack_mem.
4758 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
4759 (sh_set_return_address, sh_allocate_initial_value): Likewise.
4760 (sh_get_pr_initial_val): Likewise.
4761 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
4762 (sh_initialize_trampoline): Likewise. Also use adjust_address.
4763 * sh.md (divsi_inv_m0): Use gen_const_mem.
4764 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
4765 (movdf_i4+1): Use gen_tmp_stack_mem.
4766 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
4767 (fpu_switch+2): Likewise.
4768 (movv4sf_i, movv16sf_i): Use adjust_address.
4769 (symGOT_load): Set MEM_NOTRAP_P bit.
4771 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4774 * pa.c (emit_move_sequence): Fix typo in last change.
4776 2005-09-03 Jakub Jelinek <jakub@redhat.com>
4778 PR rtl-optimization/23454
4779 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
4782 2005-09-03 Richard Henderson <rth@redhat.com>
4783 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4786 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
4789 2005-09-02 Nicolas Pitre <nico@cam.org>
4791 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
4792 to bit_count to 32 bits.
4794 2005-08-31 Mark Mitchell <mark@codesourcery.com>
4797 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
4798 generating synthetic loads from volatile lvalues.
4800 005-09-02 Nick Clifton <nickc@redhat.com>
4802 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
4803 __ctzhi2, __clzhi2): New functions.
4805 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
4808 * tree-nested.c (struct var_map_elt): Mark with GTY.
4809 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
4811 (lookup_field_for_decl): Allocate new element in GC memory.
4812 (lookup_tramp_for_decl): Likewise.
4813 (convert_nl_goto_reference): Likewise
4814 (create_nesting_tree): Allocate info in GC memory. Likewise for
4816 (free_nesting_tree): Free with ggc_free instead of free.
4817 (root): New static variable.
4818 (lower_nested_functions): Remove root as local variable. And zero out
4819 root at the end of the function.
4821 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
4823 PR rtl-optimization/20365
4824 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
4825 to short. New member ix.
4826 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
4827 (simplify_plus_minus): Initialize ix members before calling qsort.
4829 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
4831 PR tree-optimization/23626
4832 * tree-cfg.c (replace_uses_by): Clean up eh info.
4834 2005-09-01 DJ Delorie <dj@redhat.com>
4836 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
4839 2005-09-01 David Edelsohn <edelsohn@gnu.org>
4841 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
4842 (rs6000_split_multireg_move): Use replace_equiv_address instead of
4845 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
4847 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
4848 do not issue warning for a variable definition following
4851 2005-09-01 Richard Henderson <rth@redhat.com>
4854 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
4855 conversion to CONST_VECTOR.
4857 2005-09-01 Richard Henderson <rth@redhat.com>
4860 * reload1.c (reload_as_needed): Check !CALL_P before calling
4861 fixup_eh_region_note.
4862 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
4864 2005-09-01 DJ Delorie <dj@redhat.com>
4866 * varasm.c (output_constant): Let the target resolve
4867 conversions of addresses to non-default pointer sizes.
4869 2005-09-01 Nicolas Pitre <nico@cam.org>
4871 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
4872 to alow matching ARM pre-indexed addressing mode.
4873 (arm_override_options): Remove now irrelevant comment.
4875 2005-09-01 Phil Edwards <phil@codesourcery.com>
4877 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
4878 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
4879 * config/i386/vxworks.h: Likewise.
4880 * config/i386/t-vxworksae: New file, for VxWorks AE.
4881 * config/i386/vxworksae.h: Likewise.
4883 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
4885 PR tree-optimization/23410
4886 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
4887 sequence is not wrapping during the first step.
4889 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4892 * dwarf2out.c (base_type_die): Compare char_type_node with
4893 TYPE_MAIN_VARIANT (type), not type.
4895 2005-09-01 Richard Guenther <rguenther@suse.de>
4897 PR tree-optimization/15366
4898 * common.opt: Add -finline-functions-called-once.
4899 Put -fearly-inlining in alphabetically ordered place.
4900 * doc/invoke.texi: Document new option.
4901 * ipa-inline.c (cgraph_decide_inlining): Honour
4902 flag_inline_functions_called_once.
4904 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4906 PR rtl-optimization/23478
4907 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
4908 (alloc_qty): Initialize it.
4909 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
4910 (combine_regs): Combine also n_throwing_calls_crossed fields.
4911 (find_free_reg): Don't attempt to caller-save pseudos crossing
4912 calls that might throw.
4913 * global.c (struct allocno): Add throwing_calls_crossed field.
4914 (global_alloc): Revert 2005-08-22 change. Initialize
4915 throwing_calls_crossed.
4916 (find_reg): Don't attempt to caller-save pseudos crossing calls that
4919 2005-09-01 Alan Modra <amodra@bigpond.net.au>
4922 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
4923 (mask64_operand): Reinstate code prior to 2005-06-11 change.
4924 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
4925 (and64_2_operand): Tweak to use predicate.
4926 (and_operand): Adjust for mask_operand changes.
4927 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
4928 (print_operand): Likewise.
4929 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
4930 (mask64_1or2_operand): Delete.
4931 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
4932 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
4933 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
4934 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
4935 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
4936 (rotldi3_internal4): Likewise.
4937 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
4938 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
4939 (ashldi3_internal7): Likewise.
4940 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
4941 (ashldi3_internal, ashldi3_internal9 split): Likewise.
4942 (anddi3 split): Don't match mask64_operand.
4943 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
4944 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
4945 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
4946 't' splitter predicate.
4947 (movdi_internal64 + 2): Revert 2005-06-11 change.
4949 2005-08-31 DJ Delorie <dj@redhat.com>
4951 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
4952 (m32c_asm_integer): Add support for 32 bit pointers.
4954 2005-08-31 Richard Henderson <rth@redhat.com>
4956 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
4957 component-like references for setting MEM_NOTRAP_P.
4959 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
4960 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
4962 2005-08-31 Richard Henderson <rth@redhat.com>
4964 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
4965 into a pseudo before applying gen_lowpart.
4967 2005-08-31 Geoffrey Keating <geoffk@apple.com>
4969 * doc/install.texi (Specific): Update cctools version required
4970 for full functionality.
4971 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
4972 linkers as -macosx_version_min.
4974 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
4977 * sh.c (print_operand, %R and %S): Add handling of floating point
4978 registers, memory, constants and invalid operands.
4980 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
4982 * ipa-pure-const.c: Change dump name.
4984 2005-08-31 Uros Bizjak <uros@kss-loka.si>
4987 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
4988 to "reg_or_0_operand".
4989 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
4991 2005-08-31 Dale Johannesen <dalej@apple.com>
4993 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
4994 loops that count down.
4996 2005-08-31 Richard Henderson <rth@redhat.com>
4999 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
5000 (fixup_eh_region_note): New.
5001 (reload_as_needed): Call it.
5002 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
5003 don't call find_many_sub_basic_blocks; call verify_flow_info.
5004 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
5005 (keep_stack_depressed): Likewise.
5006 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
5008 2005-08-31 Richard Henderson <rth@redhat.com>
5010 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
5013 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
5015 * expr.c (expand_expr_real_1): Compare size of address
5016 mode to target's address mode size in deciding expansion of
5017 the constant address.
5019 2005-08-31 Richard Guenther <rguenther@suse.de>
5022 * expr.c (all_zeros_p): New function.
5023 (expand_expr_real_1): Handle the case of an all-zero
5024 non-addressable constructor separately.
5026 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
5028 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
5029 arguments, adjust all callers.
5030 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
5032 2005-08-30 Richard Henderson <rth@redhat.com>
5035 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
5036 whenever the mode sizes match.
5038 2005-08-31 Alan Modra <amodra@bigpond.net.au>
5040 * calls.c (load_register_parameters): Fix comment typo.
5041 * expr.c (emit_push_insn): Comment formatting.
5043 2005-08-30 Ian Lance Taylor <ian@airs.com>
5045 * config/i386/x-cygwin (host-cygwin): Change dependency from
5046 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
5048 2005-08-29 Geoffrey Keating <geoffk@apple.com>
5050 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
5053 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5056 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
5057 call to ggc_collect.
5059 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
5062 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
5063 beginning. Remove $(INCLUDES) from all the rules, if following
5064 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
5066 2005-08-29 Jakub Jelinek <jakub@redhat.com>
5069 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
5070 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
5071 not constant, but maxlen is, don't set len to maxlen, rather
5072 set maxlen to len if len is a constant.
5074 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
5076 PR tree-optimization/23475
5077 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
5080 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
5082 Fix PR middle-end/22455
5084 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
5085 Checksum only the parts of the tree that exist for the tree code.
5087 2005-08-28 Dale Johannesen <dalej@apple.com>
5089 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
5091 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
5093 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
5095 2005-08-28 Richard Henderson <rth@redhat.com>
5097 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
5098 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
5101 2005-08-28 Jakub Jelinek <jakub@redhat.com>
5104 * builtins.c (get_memory_rtx): Don't strip nops
5105 in between COMPONENT_REFs.
5107 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
5110 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
5112 (gimplify_modify_expr): Check for zero sized types and gimplify the
5113 rhs and lhs as statements.
5115 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
5118 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
5119 state for return address column of signal frames.
5121 2005-08-27 David Edelsohn <edelsohn@gnu.org>
5124 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
5125 bytes >= 2 not bytes == 2.
5126 (expand_block_move): Same.
5128 2005-08-27 Richard Guenther <rguenther@suse.de>
5131 * config/i386/sse.md (sse2_movsd): Add missing closing
5134 2005-08-27 Paul Brook <paul@codesourcery.com>
5136 * genrecog.c (enum decision_type): Add DT_num_insns.
5137 (struct decision_test): Add u.num_insns.
5138 (add_to_sequence): Add DT_num_insns test.
5139 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
5140 (write_cond, debug_decision_2): Ditto.
5141 (change_state): Assume peep2_next_insn never fails.
5142 Remove "afterward" argument.
5143 (write afterward, write_tree): Update to match.
5144 * recog.c (peep2_current_count): New variable.
5145 (peep2_next_insn): Check it.
5146 (peephole2_optimize): Set peep2_current_count.
5147 * recog.h (peep2_current_count): Declare.
5149 2005-08-26 Josh Conner <jconner@apple.com>
5152 * ipa-pure-const.c (check_tree): Check for volatile-ness
5153 when considering a dereference.
5155 2005-08-27 Jakub Jelinek <jakub@redhat.com>
5157 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
5159 2005-08-26 Jakub Jelinek <jakub@redhat.com>
5161 PR rtl-optimization/23561
5162 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
5163 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
5164 at most LEN bytes long memory fits into the field.
5165 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
5166 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
5167 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
5169 2005-08-26 Richard Henderson <rth@redhat.com>
5172 * loop.c (biased_biv_may_wrap_p): New.
5173 (maybe_eliminate_biv_1): Use it to suppress non-equality
5174 comparison transformations. Delete disabled code.
5176 2005-08-26 Ian Lance Taylor <ian@airs.com>
5178 * combine.c (make_extraction): Avoid reference outside object.
5180 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
5182 * stor-layout.c (finalize_type_size): Restore behaviour for
5183 non-aggregate types to the status quo ante of the patch for
5184 pr 23467. Document why it matters.
5186 2005-08-26 Jakub Jelinek <jakub@redhat.com>
5189 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
5190 array by one element, initialize the BT_LAST element with NULL.
5192 2005-08-26 David Edelsohn <edelsohn@gnu.org>
5194 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
5195 optimizing for size.
5197 (compare_plus_eqsi): Same.
5198 (plus_eqsi_compare): Same.
5199 (neg_eq0<mode>): Same.
5200 (neg_eq<mode>): Same.
5202 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
5205 2005-08-26 Nick Clifton <nickc@redhat.com>
5207 * config/v850/v850.c (ep_memory_operand): Return FALSE if
5208 TARGET_EP is not defined.
5209 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
5210 TARGET_EP is enabled.
5211 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
5212 * config/v850/v850.md (save_all_interrupt): Only use the EP
5213 register if TARGET_EP is defined.
5214 (restore_all_interrupt): Likewise.
5215 * config/v850/lib1funcs.asm: Update functions so that the EP
5216 register is only used if __EP__ is defined.
5218 2005-08-26 David Ung <davidu@mips.com>
5220 * config/mips/mips.c (mips_expand_prologue): Handle case when
5221 generating for MIPS16 and the outgoing argument area is more than
5222 SMALL_OPERAND. Use the frame pointer as temporary to generate the
5225 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
5227 * config/crx/crx.md: Make doloop_end pattern usage controllable
5228 via mloop-nesting=<max-nesting> command line switch. Make sure
5229 the combiner cannot use doloop_end_<mode> in an illegal way.
5230 * config/crx/crx.c: Use regs up to r6 for argument passing.
5231 Refine crx_address_cost (non cst4 displacements are expensive).
5232 * config/crx/crx.opt: Add switch for mloop-nesting=.
5234 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
5236 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
5237 (UNSPEC_MVST): New constant.
5239 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
5241 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
5242 Reject operands containing eliminable registers.
5243 * testsuite/gcc.dg/20050825-1.c: New testcase.
5245 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5246 Jan Hubicka <jh@suse.cz>
5248 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
5250 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5252 PR tree-optimization/23546
5253 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
5256 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
5258 * params.def (PARAM_MIN_SPEC_PROB): New.
5259 * sched-rgn.c (MIN_PROBABILITY): Delete.
5260 (compute_trg_info): Convert to PARAM_VALUE.
5261 * doc/invoke.texi (param): Document min-spec-prob.
5263 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
5265 * config/darwin.h: define __PIC__
5266 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
5267 TARGET_OS_CPP_BUILTINS macro.
5269 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5271 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
5274 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
5276 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
5278 * cfghooks.c (duplicate_block): Added position where to place
5279 new block as argument.
5280 * cfghooks.h (duplicate_block): Declaration changed.
5281 * cfglayout.c (copy_bbs): Add argument after. Pass it to
5283 * cfglayout.h (copy_bbs): Declaration changed.
5284 * cfgloop.h (loop_version): Declaration changed.
5285 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
5286 position to copy_bbs.
5287 (loop_version): Pass position to duplicate_loop_to_header_edge.
5288 Add place_after argument and position new blocks according to
5290 * modulo-sched.c (sms_schedule): Pass place_after argument
5292 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
5293 * tree-cfg.c (split_edge_bb_loc): New function.
5294 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
5295 to determine position of new blocks.
5296 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
5298 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
5299 argument to duplicate_block.
5300 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
5301 Pass position to copy_bbs.
5303 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
5305 * fold-const.c (ptr_difference_const): Use
5306 cst_and_fits_in_hwi instead of host_integerp.
5308 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5310 * config/darwin.c (gen_pic_offset): New.
5311 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
5314 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
5316 PR tree-optimization/23486
5317 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
5319 2005-08-23 Phil Edwards <phil@codesourcery.com>
5321 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
5322 remove use_collect2.
5323 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
5325 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
5326 configuration files to override the default value.
5328 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
5329 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
5330 * config/vx-common.h: New file, split out from...
5331 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
5332 * config/vxworksae.h: New file, for VxWorks AE.
5333 * config/vxworks.opt: New file.
5334 * config/vxlib.c: Update for VxWorks 6.
5336 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
5337 other MULTILIB_* variables appropriately.
5338 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
5339 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
5340 * config/rs6000/vxworks.h: Update for VxWorks 6.
5341 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
5343 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
5346 * config/darwin.c (machopic_select_section): Remove the hack to
5347 mark "::operator new" and "::operator delete" for coalescing
5348 even though they are not weak.
5350 2005-08-24 Alan Modra <amodra@bigpond.net.au>
5352 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
5353 * configure: Regenerate.
5355 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
5358 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
5360 * convert.c (convert_to_integer, convert_to_vector): Likewise.
5361 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
5364 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
5366 * config/rs6000/predicates.md (equality_operator): New.
5367 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
5368 comparison with a large constant.
5370 2005-08-23 Mark Mitchell <mark@codesourcery.com>
5372 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
5374 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
5376 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
5377 registers is even, and we have a hardware double precision fp,
5379 (sh_gimplify_va_arg_expr): For floating point arguments, consider
5380 size of current argument when checking if argument was passed in
5383 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
5386 * stor-layout.c (finalize_type_size): Dont override
5387 existing alignment with a smaller alignment from the mode.
5389 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
5391 * lambda-code.c (lambda_vector_lexico_pos): Moved...
5392 * lambda.h (lambda_vector_lexico_pos): ... here.
5393 * tree-data-ref.c (build_classic_dist_vector): Return false when
5394 the distance vector is lexicographically negative.
5396 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
5398 PR tree-optimization/23511
5399 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
5400 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
5402 2005-08-23 Jakub Jelinek <jakub@redhat.com>
5404 PR tree-optimization/22043
5405 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
5406 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
5407 If ALLOW_FLEXARR, handle types ending with flexible array member.
5408 Pass false as second argument to recursive count_type_elements calls.
5409 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
5410 argument to count_type_elements call.
5411 * tree-sra.c (decide_block_copy): Likewise.
5412 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
5413 for a constant-sized object, set cleared as well. Pass true as
5414 second argument to count_type_elements call.
5416 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5419 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
5420 from legitimate_small_data_p, and make global. Update use.
5421 Remove forward declaration.
5422 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
5424 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
5426 2005-08-23 David Edelsohn <edelsohn@gnu.org>
5428 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
5429 of scratch intermediates.
5430 (eq<mode>_compare): Same.
5431 (neg_eq0<mode>): New.
5432 (neg_eq<mode>): Convert to define_insn_and_split.
5434 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5437 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
5438 stdarg functions, set/clear the fp marker even when no variable
5440 * config/rs6000/sysv4.opt (mprototype): Describe.
5442 2005-08-22 Jakub Jelinek <jakub@redhat.com>
5444 PR rtl-optimization/23478
5445 * regs.h (reg_info): Add throw_calls_crossed.
5446 (REG_N_THROWING_CALLS_CROSSED): Define.
5447 * flow.c (allocate_reg_life_data): Initialize
5448 REG_N_THROWING_CALLS_CROSSED.
5449 (propagate_one_insn, attempt_auto_inc): Update
5450 REG_N_THROWING_CALLS_CROSSED.
5451 * global.c (global_alloc): Don't allocate pseudos across
5452 calls that may throw.
5454 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
5457 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
5458 value is inbetween the range if we did not find an exact match.
5460 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
5462 * doc/invoke.texi (Option Summary): Add ms1 options.
5463 * doc/extend.texi: Document interrupt handler attribute for ms1.
5464 * doc/md.texi: Document ms1 constraints.
5465 * config.gcc: Add ms1-*-elf.
5466 * config/ms1/ms1.h: New.
5467 * config/ms1/ms1.c: New.
5468 * config/ms1/ms1.md: New.
5469 * config/ms1/ms1-protos.h: New.
5470 * config/ms1/ABI.txt: New.
5471 * config/ms1/crti.asm: New.
5472 * config/ms1/crtn.asm: New.
5473 * config/ms1/lib2extra-funcs.c: New.
5474 * config/ms1/t-ms1: New.
5475 * config/ms1/ms1.opt: New.
5477 2005-08-22 Ira Rosen <irar@il.ibm.com>
5479 * config/rs6000/altivec.md (xorv4sf3): New.
5480 (negv4sf2, neg<mode>2): Likewise.
5482 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
5485 * config/ia64/ia64.md (divsi3): Check divide by zero.
5486 (udivsi3): Likewise.
5488 (udivdi3): Likewise.
5490 2005-08-21 Jakub Jelinek <jakub@redhat.com>
5492 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
5493 up to elem_bitsize bits, not max_bitsize.
5495 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5497 PR tree-optimization/23433
5498 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
5499 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
5501 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5503 PR tree-optimization/23434
5504 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
5505 the iteration bound is not an INTEGER_CST.
5507 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
5509 * tree-vect-transform.c (get_initial_def_for_reduction): Set
5510 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
5511 NULL if need_epilog_adjust is false.
5512 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
5513 Case 3 always peels first itration, not just for PLUS case, and no need
5514 to use scalar_initial_def here. Create an epilog adjustment only if
5515 scalar_initial_def is not NULL.
5517 (vectorizable_reduction): Remove assert.
5519 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
5522 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
5523 (__moddi3): Likewise.
5524 (__udivdi3): Likewise.
5525 (__umoddi3): Likewise.
5526 (__divsi3): Likewise.
5527 (__modsi3): Likewise.
5528 (__udivsi3): Likewise.
5529 (__umodsi3): Likewise.
5531 2005-08-20 Jakub Jelinek <jakub@redhat.com>
5533 * tree-pass.h (TDF_GRAPH): Define.
5534 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
5535 * passes.c (finish_optimization_passes): Only call
5536 finish_graph_dump_file if TDF_GRAPH is set.
5537 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
5538 NULL. Set TDF_GRAPH bit.
5539 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
5541 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
5543 * arm.h (arm_stack_offsets): Add locals_base field.
5544 * arm.c (arm_get_frame_offsets): Compute it.
5545 (thumb_compute_initial_elimination offset): Make the Thumb frame
5546 pointer point to the base of the local variables.
5547 (thumb_expand_prologue): Update accordingly.
5548 (thumb_expand_epilogue): Likewise.
5550 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
5551 mode of clobbered scratch to DImode. Handle a case that's known to
5554 2005-08-19 David Edelsohn <edelsohn@gnu.org>
5556 * config/rs6000/rs6000.md (gt0<mode>): Delete.
5557 (gt0<mode>_compare): Delete.
5558 (neg_gt0<mode>): Delete.
5560 2005-08-19 Eric Christopher <echristo@apple.com>
5562 * optabs.h: Change CTI_ to COI_.
5565 2005-08-19 James E Wilson <wilson@specifix.com>
5567 * builtins.c (expand_builtin_return_addr): Set
5568 current_function_accesses_prior_frames when count != 0. Use
5569 frame_pointer_rtx when count == 0.
5570 * function.h (struct function): Add accesses_prior_frames field.
5571 (current_function_accesses_prior_frames): Define.
5572 * reload1.c (init_elim_table): Check
5573 current_function_accesses_prior_frames.
5574 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
5576 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5578 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
5579 indicator. Return true if the flowgraph changed during
5582 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5585 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
5586 conditional expression before testing its value.
5588 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5590 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
5592 2005-08-19 Devang Patel <dpatel@apple.com>
5594 PR tree-optimization/23048
5595 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
5596 third parameter. Check whether latch is dominated by exit
5598 (if_convertible_loop_p): Supply exit block itself to
5599 if_convertible_bb_p.
5601 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5604 * arm.md (arm_load_pic_register): Change argument to the mask of
5605 saved registers. Call thumb_find_work_register if we need a
5606 scratch register on Thumb.
5607 (arm_expand_prologue): Pass empty register set to
5608 arm_load_pic_register.
5609 (thumb_expand_prologue): Pass live_regs_mask directly to
5610 arm_load_pic_register.
5611 * arm-protos.h (arm_load_pic_register): Update prototype.
5613 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
5615 * sh.c (find_sole_member): New function.
5616 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
5617 if the record's alignment is larger than the size of its only member.
5619 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5622 * arm.c (thumb_legitimize_reload_address): New function.
5623 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
5624 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
5626 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
5628 * config/crx/crx.c: Implement crx_decompose_address. Reject
5629 symbolic displacements since CRX register relative adressing
5630 mode can't handle unsigned 32-bit values as displacements.
5631 * config/crx/crx.h: Simplify definitions, remove redundant
5632 parenthesis and obsolete macros.
5633 * config/crx/crx.opt: Add new switch for debugging addresses.
5634 * config/crx/crx-protos.h: Add new declarations for above.
5636 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
5639 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
5642 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5644 * collect2.c (dup2): Delete.
5645 * configure.ac: Don't check for dup2.
5647 * config.in, configure: Regenerate.
5649 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
5651 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
5652 record with the type of its only member.
5654 2005-08-18 David Edelsohn <edelsohn@gnu.org>
5656 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
5657 define_insn_and_split.
5658 (plus_ltu<mode>_compare): Same.
5659 (gtu<mode>_compare): Same.
5660 (plus_gtu<mode>_compare): Same.
5662 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
5664 PR tree-optimization/22228
5665 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
5667 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
5668 are recorded in vect_vnames_to_rename for renaming.
5669 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
5670 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
5671 in vect_vnames_to_rename.
5672 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
5673 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
5675 2005-08-18 Jan Hubicka <jh@suse.cz>
5678 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
5679 info only for local statics, not for member variables.
5681 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5683 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
5685 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5687 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
5689 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
5692 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
5694 2005-08-17 James E Wilson <wilson@specifix.com>
5696 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5699 2005-08-17 David Edelsohn <edelsohn@gnu.org>
5701 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
5702 (leu<mode>_compare): Same.
5703 (plus_leu<mode>): Same.
5704 (neg_leu<mode>): Same.
5705 (and_neg_leu<mode): Same.
5706 (ltu<mode>_compare): Same.
5707 (plus_ltu<mode>): Same.
5709 (geu<mode>_compare): Same.
5710 (plus_geu<mode>): Same.
5711 (neg_geu<mode>): Same.
5712 (and_neg_geu<mode>): Same.
5713 (plus_gt<mode>): Same.
5714 (gtu<mode>_compare): Same.
5715 (plus_gtu<mode>): Same.
5717 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
5719 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
5720 Move call_table_data to end. Delete spurious .text.
5721 (callt_save_all_interrupt): Fix comment typo.
5723 2005-08-17 James E Wilson <wilson@specifix.com>
5724 Kevin Winchester <winchester@amirix.com>
5727 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
5729 2005-08-17 Uros Bizjak <uros@kss-loka.si>
5732 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
5733 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
5735 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
5737 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
5738 record with the type of its only member if the modes don't match.
5740 * varasm.c (decode_reg_name): Skip empty additional register names.
5742 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5744 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
5745 lsm_tmp_name_length): New.
5746 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
5747 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
5749 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5750 Andreas Krebbel <krebbel1@de.ibm.com>
5752 * config.gcc: Added z9-109 switch.
5753 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
5754 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
5755 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
5756 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
5757 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
5758 for "z9_109" cpu attribute.
5759 * config/s390/s390.c (z9_109_cost): New processor cost structure.
5760 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
5761 (s390_handle_arch_option): Added z9-109 switch.
5762 (override_options): Set respective cost function for z9-109.
5763 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
5764 (legitimate_reload_constant_p): Accept extended immediates.
5765 (print_operand): Three new output modifiers added: k, m and o.
5766 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
5767 (s390_output_mi_thunk): Use extended immediate when possible.
5768 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
5769 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
5770 (CONSTRAINT_LEN): Added length of O constraint.
5771 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
5772 * config/s390/s390.md ("cpu"): New value z9_109 added.
5773 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
5774 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
5775 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
5776 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
5777 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
5778 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
5779 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
5780 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
5781 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
5782 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5783 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
5784 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
5785 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
5786 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
5787 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
5789 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
5790 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
5791 insns for TARGET_EXTIMM.
5793 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
5795 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
5797 2005-08-17 Nick Clifton <nickc@redhat.com>
5799 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
5800 Call default_encode_section_info.
5802 2005-08-17 Steven Bosscher <stevenb@suse.de>
5804 PR tree-optimization/21574
5805 * tree-ssa-ccp.c (likely_value): If the right hand side is a
5806 constant, return CONSTANT.
5807 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
5808 (ccp_fold, visit_assignment): Likewise.
5809 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
5811 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5813 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
5814 fold_buildN instead of buildN then fold_initializer or fold.
5815 (build_unary_op): Likewise.
5816 (build_binary_op): Likewise.
5817 * fold-const.c (fold_initializer): Remove.
5818 (fold_build1_initializer): New function.
5819 (fold_build2_initializer): New function.
5820 (fold_build3_initializer): New function.
5821 * tree.h (fold_initializer): Remove.
5822 (fold_build1_initializer): New function.
5823 (fold_build2_initializer): New function.
5824 (fold_build3_initializer): New function.
5826 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5828 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
5829 (try_move_mult_to_index): Call fold_build2 instead of build2.
5830 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
5831 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
5832 fold_binary_to_constant.
5833 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
5835 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
5836 check if A == gcd (A, B). Remove TYPE argument.
5837 (analyze_offset) Use fold_build2 instead of fold (build.
5838 (create_data_ref): Likewise.
5839 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
5840 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
5843 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
5845 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
5846 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
5848 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
5851 * gimplify.c (zero_sized_type): New function.
5852 (gimplify_modify_expr_rhs): If we have a zero sized type,
5853 replace the statement with an empty statement.
5855 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
5857 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
5860 2005-08-16 Ian Lance Taylor <ian@airs.com>
5862 * doc/tm.texi (Label Output): Correct typo.
5864 2005-08-16 Steven Bosscher <stevenb@suse.de>
5867 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
5868 force_operand will work later on using have_insn_for.
5870 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5872 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
5874 2005-08-16 Ian Lance Taylor <ian@airs.com>
5877 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
5878 vector type, don't try to construct it element by element. Add an
5879 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
5881 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5883 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
5885 2005-08-16 Geoffrey Keating <geoffk@apple.com>
5887 * doc/invoke.texi (Precompiled Headers): Document some more options
5888 which are known to be safe.
5890 2005-08-16 James E Wilson <wilson@specifix.com>
5892 PR tree-optimization/21105
5893 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5894 TREE_OVERFLOW check.
5896 2005-08-16 David Edelsohn <edelsohn@gnu.org>
5898 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
5899 (neg_ltu<mode>): Same.
5901 (neg_gtu<mode>): Same.
5903 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5905 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
5906 (fold_builtin_isdigit): Use fold_buildN.
5907 (build_function_call_expr): Likewise.
5908 * c-typeck.c (c_finish_loop): Likewise.
5910 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
5911 Richard Shann <rshann@superh.com>
5913 PR middle-end/20396:
5914 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
5916 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
5918 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
5920 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
5923 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
5924 arm_compure_save_reg0_reg12_mask to determine when the PIC register
5927 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5930 * fold-const.c (build_range_check): Disable optimization for function
5931 pointer expressions on targets that require function pointer
5934 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
5936 * simplify-rtx.c (simplify_const_relational_operation): When
5937 extracting arguments of a COMPARE, recompute the mode as well.
5939 2005-08-15 Ian Lance Taylor <ian@airs.com>
5941 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
5943 2005-08-15 DJ Delorie <dj@redhat.com>
5945 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
5947 (movsi_splittable): Allow, but split, moves to the stack.
5948 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
5951 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5953 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
5954 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
5955 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
5957 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
5958 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
5959 Delete HOST_PTR_PRINTF.
5961 * configure, config.in: Regenerate.
5963 2005-08-15 David Edelsohn <edelsohn@gnu.org>
5965 * config/rs6000/rs6000.md (QHSI): New mode macro.
5966 (wd): Extend mode attr for QImode and HImode
5967 (dbits): New mode attr.
5968 (zero_extend<mode>di2): Convert to mode macro.
5970 2005-08-15 Steve Ellcey <sje@cup.hp.com>
5973 * doc/invoke.texi (-mgnu-ld): Update description.
5976 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5979 * Makefile.in (tree-chrec.o): Depends on real.h.
5980 * tree-chrec.c: Include real.h.
5981 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
5982 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
5983 * tree-scalar-evolution.c (add_to_evolution_1,
5984 interpret_rhs_modify_expr): Ditto.
5986 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5989 * tree-data-ref.c (estimate_niter_from_size_of_data): When
5990 step is negative compute the estimation from init downwards to zero.
5992 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
5994 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
5996 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5998 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
6000 (legitimate_reload_constant_p): Fix handling of lliXX operands.
6001 Accept double-word constants that can be split.
6002 * config/s390/s390.md ("movti"): Use 'P' constraint.
6003 ("*movdi_31", "*movdf_31"): Likewise.
6005 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
6007 Fix PR tree-optimization/22615
6009 * tree-ssa-structalias.c (solution_set_add): Handle
6010 first_vi_for_offset returning NULL.
6011 (do_da_constraint): Ditto.
6012 (do_sd_constraint): Ditto.
6013 (do_ds_constraint): Ditto
6014 (find_func_aliases): Ditto.
6015 (build_constraint_graph): RHS is allowed be ANYTHING.
6016 (first_vi_for_offset): Return NULL if we couldn't find anything at
6019 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
6021 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
6022 over memory as first operand.
6024 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
6027 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
6028 available for setting it.
6030 2005-08-14 Ira Rosen <irar@il.ibm.com>
6032 PR tree-optimization/23320
6033 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
6034 data-refs' types instead of base object nullness. Add check for
6035 pointer type data-refs before first location comparison. Remove
6038 2005-08-14 Andreas Schwab <schwab@suse.de>
6040 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
6042 2005-08-13 James E Wilson <wilson@specifix.com>
6044 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
6045 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
6046 -fstack-protector-all, --param ssp-buffer-size): Document.
6047 (-Wvariadic-macros): Alphabetize.
6048 (-fsched-stalled-insns-dep): Add missing 'f'.
6050 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
6053 2005-08-13 David Edelsohn <edelsohn@gnu.org>
6055 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
6056 or indirect address operand.
6057 (EXTRA_ADDRESS_CONSTRAINT): New.
6058 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
6060 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
6062 PR tree-optimization/22236
6063 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
6064 successors and predecessors.
6065 * tree-chrec.c (chrec_convert): Before converting, check that
6066 sequences don't wrap.
6067 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
6068 (analyze_array): Extern.
6069 (find_data_references_in_loop): Remove call to
6070 compute_estimated_nb_iterations.
6071 * tree-data-ref.h (analyze_array): Declared.
6072 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
6073 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
6074 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
6075 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
6077 * tree-ssa-loop-ivcanon.c: Fix documentation.
6078 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
6079 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
6080 (infer_loop_bounds_from_undefined): New.
6081 (estimate_numbers_of_iterations_loop): Use
6082 infer_loop_bounds_from_undefined.
6083 (used_in_pointer_arithmetic_p): New.
6084 (scev_probably_wraps_p): Pass an extra parameter. Call
6085 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
6086 (convert_step): Fix documentation.
6087 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
6088 Use initial_condition_in_loop_num and evolution_part_in_loop_num
6089 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
6090 scev_probably_wraps_p.
6092 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
6094 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
6095 (s390_register_info): Ignore clobbered_regs information for fixed
6096 registers, and only fixed registers.
6097 (s390_init_frame_layout): Remove redundant call.
6099 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
6101 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
6102 description of -Wold-style-casts.
6104 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6105 Jakub Jelinek <jakub@redhat.com>
6107 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6108 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
6109 * config/s390/s390.c (print_operand): New output modifier 'G' added.
6110 (get_thread_pointer): Renamed to s390_get_thread_pointer.
6111 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
6112 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
6113 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
6114 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6115 ("stack_protect_set", "stack_protect_test"): New expanders.
6116 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
6117 "stack_protect_testdi"): New insn definitions.
6119 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6121 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
6123 2005-08-12 Paul Brook <paul@codesourcery.com>
6125 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
6127 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6129 * config/s390/predicates.md (setmem_operand): New predicate.
6130 (shift_count_operand): Accept ANDs with special constants as
6132 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
6133 with special constants.
6134 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
6135 shift_count_operand with setmem_operand.
6137 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6139 * config/s390/s390.c (s390_extract_part, s390_single_part):
6141 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
6142 (s390_output_mi_thunk): Don't use lg on 31 bit.
6143 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
6144 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
6146 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6148 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
6149 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
6150 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
6151 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
6152 with one of the new macros.
6154 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6156 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
6157 Don't set save_return_addr_p.
6158 (s390_register_info): Make clobbered_regs not depending on
6161 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
6163 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
6164 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
6166 2005-08-11 James E. Wilson <wilson@specifix.com>
6168 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
6170 2005-08-11 Jakub Jelinek <jakub@redhat.com>
6172 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
6173 locations gathered by var-tracking in single entry loc_list
6174 over loc_descriptor_from_tree.
6176 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
6177 pass it down to loc_descriptor.
6178 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
6179 (containing_function_has_frame_base): Move earlier in the file.
6180 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
6181 instead of always assuming fbreg can't be used.
6183 2005-08-11 David Edelsohn <edelsohn@gnu.org>
6185 * config/rs6000/altivec.md: Change constraint "m" to "Z".
6186 * config/rs6000/predicates.md (indexed_or_indirect_operand):
6187 Accept address wrapped in AND for Altivec.
6188 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6189 Strip AND wrapping offset address for Altivec.
6191 2005-08-11 Richard Henderson <rth@redhat.com>
6194 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
6195 before using TYPE_IS_SIZETYPE.
6197 2005-08-11 Richard Henderson <rth@redhat.com>
6200 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
6201 insn types not present on ev4.
6202 (alphaev5_insn_pipe): Similarly.
6204 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
6207 * arm.c (arm_override_options): If the user has selected callee-super-
6208 interworking, then enable normal interworking.
6210 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6212 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
6215 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
6217 * doc/rtl.texi: Fix two typos.
6219 2005-08-11 Richard Guenther <rguenther@suse.de>
6222 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
6223 cases where we call to/from functions returning void.
6225 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
6228 * tree.c (build_pointer_type_for_mode): Robustify.
6230 2005-08-10 James E Wilson <wilson@specifix.com>
6232 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
6233 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
6235 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
6238 2005-08-10 Eric Christopher <echristo@apple.com>
6240 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
6241 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
6244 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
6247 * config/darwin.c (machopic_indirect_data_reference): Use a new register
6248 for the high part when generating dynamic-no-pic code.
6250 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
6252 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
6253 (x86_64-*-linux*): Likewise.
6255 * config/i386/crtfastmath.c: New file.
6256 * config/i386/t-crtfm: Likewise.
6258 * config/i386/linux.h (ENDFILE_SPEC): New.
6259 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
6261 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
6264 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
6266 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
6267 (vec_shl, vec_shr): Document new operations.
6268 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
6270 2005-08-10 David Edelsohn <edelsohn@gnu.org>
6272 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
6273 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
6274 change predicate to indexed_or_indirect_address.
6276 2005-08-10 Richard Sandiford <richard@codesourcery.com>
6278 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
6279 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
6280 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
6281 and __aeabi_uwrite8.
6282 * config/arm/unaligned-funcs.c: New file.
6283 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
6285 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
6287 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
6289 * cfglayout.c (pass_insn_locators_initialize): Add dump.
6290 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
6292 * except.c (pass_convert_to_eh_region_ranges): Add dump.
6293 * final.c (pass_shorten_branches): Add dump.
6294 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
6295 (pass_life): Rename dump.
6296 (rest_of_handle_flow2): Remove initial verify_flow_info.
6297 * function.c (pass_instantiate_virtual_regs): Add dump.
6298 * integrate.c (pass_initial_value_sets): Add dump.
6299 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
6300 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
6301 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
6302 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
6303 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
6304 gate_rtl_unrool_and_peel_loops): New.
6305 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
6306 rtl_doloop): Do not look at flags.
6307 * mode-switching.c (pass_mode_switching): Add dump.
6308 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
6309 pass_split_before_regstack): Add dump.
6310 * regmove.c (pass_stack_adjustments): Add dump.
6311 * tree-optimize.c (pass_fixup_cfg): Add dump.
6313 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6316 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
6317 deciding which instruction sequence to use.
6319 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
6321 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
6322 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
6324 2005-08-09 Richard Guenther <rguenther@suse.de>
6326 * c-common.c (builtin_function_2): Remove.
6327 (def_builtin_1): New function.
6328 (c_common_nodes_and_builtins): Use def_builtin_1 to
6329 build builtin functions.
6331 2005-08-09 Jie Zhang <jie.zhang@analog.com>
6333 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
6334 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6335 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
6338 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
6340 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
6341 fold_binary instead of fold_build2 since we don't care about the
6343 (loop_niter_by_eval): Likewise.
6344 (compare_trees): Likewise.
6345 (proved_non_wrapping_p): Likewise.
6347 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
6351 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
6352 if the if is really empty.
6354 2005-08-09 Steven Bosscher <stevenb@suse.de>
6356 PR tree-optimization/23234
6357 * tree-ssa-math-opts.c (place_reciprocal): New enum.
6358 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
6359 argument of the new enum.
6360 (execute_cse_reciprocals): Add reciprocals for function arguments
6361 on the unique successor edge of the entry block. Update other calls
6362 to execute_cse_reciprocals_1.
6364 2005-08-08 Richard Henderson <rth@redhat.com>
6367 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
6369 2005-08-08 Bob Wilson <bob.wilson@acm.org>
6371 * expr.c (write_complex_part): Return after handling MEM.
6373 2005-08-08 Josh Conner <jconner@apple.com>
6375 PR rtl-optimization/23241
6376 * combine.c (simplify_comparison): Fix error in determining
6377 whether to lift a subreg from comparison.
6379 2005-08-08 David Edelsohn <edelsohn@gnu.org>
6382 * config/rs6000/altivec.md (vec_init<mode>): New.
6383 (vec_set<mode>): New.
6384 (vec_extract<mode>): New.
6385 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
6386 (rs6000_expand_vector_set): New.
6387 (rs6000_expand_vector_extract): New.
6388 (rs6000_legitimate_offset_address_p): Offset addresses are valid
6389 for Altivec modes before reload.
6390 (altivec_expand_vec_init_builtin): New.
6391 (get_element_number): New.
6392 (altivec_expand_vec_set_builtin): New.
6393 (altivec_expand_vec_ext_builtin): New.
6394 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
6396 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
6398 * config/rs6000/rs6000.h (rs6000_builtins): Add
6399 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
6400 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
6401 * config/rs6000/rs6000-protos.h: Declare new functions.
6403 2005-08-08 Jan Hubicka <jh@suse.cz>
6405 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
6406 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
6407 * i386.md (movdi*): Use pic_32bit_operand.
6408 * predicates.md (pic_32bit_operand): New.
6410 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
6413 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
6415 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
6417 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
6418 (test_for_singularity): Use fold_build2.
6420 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6422 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
6424 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
6426 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6427 (COMMON_ASM_OP) Define.
6428 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
6429 (ix86_encode_section_info): Likewise.
6430 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
6431 SUBTARGET_ENCODE_SECTION_INFO.
6433 2005-08-06 Richard Henderson <rth@redhat.com>
6436 * tree-nested.c (convert_local_reference): Save and restore val_only
6437 around component_ref and friends. Clear walk_subtrees by default.
6439 2005-08-06 Peter O'Gorman <peter@pogma.com>
6442 * gcc.c (process_command): Check the argument to -b has a dash.
6443 * doc/invoke.texi: Update -b and -V docs.
6445 2005-08-06 James E Wilson <wilson@specifix.com>
6447 * config/mips/cross64.h, config/mips/t-cross64: Delete.
6449 2005-08-06 Michael Matz <matz@suse.de>
6451 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
6452 member only if only one insn is associated with the value.
6454 2005-08-06 Nick Clifton <nickc@redhat.com>
6456 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
6458 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
6459 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
6460 Check symbol flags instead of symbol name mangling.
6461 (xstormy16_asm_output_aligned_common): Likewise. Also
6462 simplify code since the bss100_section cass is the only case
6463 where the below100 code will be triggered.
6464 (xstormy16_encode_section_info): Encode below100 attribute
6465 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
6467 (xstormy16_strip_name_encoding): Delete - this function is no
6469 (TARGET_STRIP_NAME_ENCODING): Undefine.
6470 * config/stormy16/stormy16-protos.h: Delete prototype for
6471 xstormy16_strip_name_encoding.
6473 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
6475 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
6476 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
6477 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
6478 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
6479 config/alpha/predicates.md, config/arc/arc.h,
6480 config/arm/arm.h, config/arm/ieee754-df.S,
6481 config/arm/ieee754-sf.S, config/bfin/bfin.c,
6482 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
6483 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
6484 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
6485 config/m68hc11/m68hc11.h, config/mips/mips.c,
6486 config/mips/mips.h, config/mips/openbsd.h,
6487 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
6488 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
6489 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6490 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
6491 config/sparc/linux.h, config/sparc/linux64.h,
6492 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
6493 doc/extend.texi, doc/gcov.texi, doc/install.texi,
6494 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
6495 typos. Follow spelling conventions.
6497 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
6500 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
6501 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
6502 specially. Check for side effects only for COND_EXPR.
6503 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
6504 return with TREE_NO_WARNING.
6506 2005-08-06 Richard Sandiford <richard@codesourcery.com>
6508 PR rtl-optimization/23233
6509 * loop.c (combine_movables): Require the modes to be the same.
6510 (move_movables): Remove handling of cases where the replacement
6511 had a different mode to the original.
6513 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
6515 PR tree-optimization/23128
6516 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
6517 subtraction wrap, and set TREE_OVERFLOW if they do.
6519 2005-08-05 Richard Henderson <rth@redhat.com>
6522 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
6523 FORCED_LABEL labels.
6525 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
6528 * reload.c (find_reloads_subreg_address): Pass down TYPE
6529 unchanged. Change all callers except find_reloads_toplev.
6531 2005-08-05 Michael Matz <matz@suse.de>
6533 * genattrtab.c (current_alternative_string): Remove.
6534 (SIMPLIFY_ALTERNATIVE): Ditto.
6535 (attr_alt_bit_p): Ditto.
6536 (alternative_name): Make const char *.
6537 (evaluate_eq_attr): Remove use of above things.
6538 (simplify_test_exp): Ditto.
6539 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
6540 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
6542 2005-08-04 James E Wilson <wilson@specifix.com>
6544 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
6545 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
6546 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
6547 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
6548 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
6550 2005-08-04 Richard Henderson <rth@redhat.com>
6553 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
6554 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
6555 * tree-sra.c (decide_block_copy): Use it. Disable element copy
6556 if we'd have to instantiate too many members.
6558 2005-08-04 Richard Henderson <rth@redhat.com>
6561 * tree-outof-ssa.c (coalesce_asm_operands): New.
6562 (coalesce_ssa_name): Use it. Split out ...
6563 (coalesce_phi_operands, coalesce_result_decls): ... these.
6565 2005-08-04 Paul Brook <paul@codesourcery.com>
6567 * read-rtl.c (read_quoted_string): Break if EOF.
6569 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
6571 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
6572 (fold_build2): Likewise.
6573 (fold_build3): Likewise.
6574 (fold_build1_stat): New function prototype.
6575 (fold_build2_stat): Likewise.
6576 (fold_build3_stat): Likewise.
6577 * fold-const.c (fold_build1): Rename to ..
6578 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6579 through to build1_stat.
6580 (fold_build2): Rename to ..
6581 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6582 through to build2_stat.
6583 (fold_build3): Rename to ..
6584 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6585 through to build3_stat.
6587 2005-08-04 David Edelsohn <edelsohn@gnu.org>
6588 Ian Lance Taylor <ian@airs.com>
6590 * function.c (assign_stack_local_1): Do not correct stack slot
6591 address if allocation size is smaller than mode size.
6593 2005-08-04 Diego Novillo <dnovillo@redhat.com>
6596 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
6597 (tree_merge_blocks): Propagate anything allowed by
6599 Clarify documentation.
6600 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
6601 SSA form, schedule an update if necessary.
6603 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
6605 * doc/install.texi (Binaries): Remove broken link to
6606 Sinix/Reliant Unix binaries.
6608 2005-08-03 Richard Henderson <rth@redhat.com>
6611 * function.c (stack_protect_epilogue): Export.
6612 * tree.h (stack_protect_epilogue): Declare.
6613 * calls.c (expand_call): Call it.
6615 2005-08-03 Eric Christopher <echristo@apple.com>
6617 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
6618 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
6621 2005-08-04 Jan Hubicka <jh@suse.cz>
6623 * profile.c (branch_prob): Split edges with goto locus on them
6624 to get proper line counts.
6625 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
6627 2005-08-03 Paul Brook <paul@codesourcery.com>
6629 * function.c (assign_parms): Round current_function_args_size
6630 to PARM_BOUNDARY, not STACK_BOUNDARY.
6632 2005-08-03 Geoffrey Keating <geoffk@apple.com>
6634 * config/i386/i386.c (x86_elf_aligned_common)
6635 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
6637 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
6639 PR tree-optimization/23157
6640 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
6641 before emitting them.
6643 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6645 PR tree-optimization/19899
6646 * Makefile.in (tree-scalar-evolution.o): Add real.h.
6647 * tree-scalar-evolution.c: Include real.h.
6648 (add_to_evolution): Build constant -1 of correct type.
6650 2005-08-03 Jan Hubicka <jh@suse.cz>
6652 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
6653 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
6654 profile updating for complette unrolling.
6655 * loop-unroll.c (peel_loop_completely): Use it.
6656 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
6657 (tree_unroll_loops_completely): Disable code growing unrolling of cold
6660 2005-08-03 Paul Brook <paul@codesourcery.com>
6662 * combine.c (can_change_dest_mode): New function.
6663 (try_combine, simplify_set): Use it.
6665 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
6667 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
6670 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
6672 * doc/install.texi (Specific): Adjust link to openavr.org.
6673 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
6674 (Binaries): Adjust HP-UX Porting Center link.
6675 (Binaries): Adjust Free Software Foundation ordering link.
6677 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
6679 * convert.c (convert_to_integer): Use fold_build1 instead of
6680 build1 when converting an integer to an integer.
6682 2005-08-02 Richard Henderson <rth@redhat.com>
6684 * combine.c (combine_instructions): Don't use reg_equal/equiv
6685 results if the mode doesn't match.
6687 2005-08-02 Mark Mitchell <mark@codesourcery.com>
6689 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
6690 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
6692 2005-08-02 Richard Henderson <rth@redhat.com>
6695 * explow.c (memory_address): Remove special-case for
6696 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
6698 2005-08-02 Diego Novillo <dnovillo@redhat.com>
6701 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
6702 number of calls to cleanup_tree_cfg_1.
6704 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
6706 * doc/invoke.texi: document file extensions .F90 and .F95
6708 2005-08-02 Richard Guenther <rguenther@suse.de>
6710 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
6711 positive if its first argument is positive.
6713 2005-08-02 Richard Guenther <rguenther@suse.de>
6715 PR tree-optimization/23177
6716 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
6719 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
6721 PR tree-optimization/23129
6722 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
6723 varying for divisions with anti-ranges.
6725 2005-08-02 Jan Hubicka <jh@suse.cz>
6727 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
6728 * tree-ssa-threadupdate.c (thread_block): Add it here.
6730 2005-08-01 James E Wilson <wilson@specifix.com>
6732 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
6733 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
6734 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
6736 * config/mips/predicates.md (const_call_insn_operand): Add check for
6737 SYMBOL_REF_LONG_CALL_P.
6738 * doc/extend.texi (long_call): Document the new attribute.
6740 2005-08-01 Ian Lance Taylor <ian@airs.com>
6741 Richard Henderson <rth@redhat.com>
6743 * Makefile.in (RTL_BASE_H): Add real.h.
6744 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
6746 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
6748 * rtl.c (rtl_check_failed_code_mode): New.
6749 * rtl.h (struct rtx_def): Add u.rv.
6750 (XCMWINT, XCNMPRV): New.
6751 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
6752 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
6754 2005-08-01 Richard Henderson <rth@redhat.com>
6756 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
6757 with auto-inc codes.
6759 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
6761 2005-08-01 Jan Hubicka <jh@suse.cz>
6763 * i386-protos.h (asm_preferred_eh_data_format): Declare.
6764 * i386.c: Include dwarf2.h
6765 (asm_preferred_eh_data_format): New.
6766 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
6768 2005-08-01 Ian Lance Taylor <ian@airs.com>
6770 * config/host-linux.c (linux_gt_pch_get_address): Add new name
6771 randomize_va_space for virtual address randomization control.
6773 2005-08-01 Steven Bosscher <stevenb@suse.de>
6775 * common.opt (flag_ipa_cp): Put in right place to maintain
6778 2005-08-01 Jan Hubicka <jh@suse.cz>
6780 * profile.c (compute_value_histograms): Fix thinko.
6781 * value-prof.c: Include toplev.h
6782 (check_counter): New function.
6783 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
6784 tree_mod_subtract_transform): Add sanity check.
6786 2005-08-01 Richard Guenther <rguenther@suse.de>
6788 PR tree-optimization/23133
6789 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
6790 current functions parameter decls to find defs to cse
6793 2005-08-01 Richard Guenther <rguenther@suse.de>
6795 PR tree-optimization/23109
6796 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
6797 If trapping math is in effect, use post-dominator information
6798 to check if we'd in any case reach a trapping point before
6799 doing the reciprocal insertion.
6800 (execute_cse_reciprocals): Compute post-dominators, if necessary.
6801 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
6802 expressions are invariant only if trapping math is not in effect.
6804 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6806 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
6807 cgraph_function_versioning): New declarations.
6808 * cgraphunit.c: Add include to ipa-prop.h.
6809 (update_call_expr, cgraph_copy_node_for_versioning,
6810 cgraph_function_versioning): New functions.
6811 * integrate.c (copy_decl_for_inlining): Remove.
6812 * ipa-prop.h (ipa_replace_map): New struct.
6813 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
6814 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
6815 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
6816 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
6817 ipcp_iterate_stage, ipcp_method_scale_print,
6818 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
6819 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
6820 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
6821 ipcp_update_bb_counts, ipcp_update_profiling,
6822 ipcp_update_edges_counts): New functions.
6823 (ipcp_method_cval_init): Remove restriction regarding local methods.
6824 (ipcp_init_stage): Add ipcp_method_compute_scale.
6825 (ipcp_insert_stage): Add versioning.
6826 (ipcp_structures_print): Add ipcp_method_scale_print.
6827 (ipcp_driver): Dump profiling info.
6828 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
6829 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
6830 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
6831 (struct inline_data): Add versioning_p, ipa_info, new fields.
6832 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
6833 declare_return_variable): Replace calls to copy_decl_for_inlining with
6835 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
6837 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
6838 Add argument VERSIONING.
6839 (copy_arguments_for_versioning, copy_static_chain,
6840 function_versionable_p, tree_versionable_function_p,
6841 tree_function_versioning, replace_ref_tree): New functions.
6842 * tree-inline.h: Include varray.h.
6843 (tree_versionable_function_p, tree_function_versioning,
6844 tree copy_decl_for_dup): New declarations.
6846 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6848 * ipa-cp.c: New file. Contains IPCP specific functionality.
6849 * ipa-prop.h: New file. Contains structures/definitions that can be
6850 used by several interprocedural data flow optimizations (and also IPCP).
6851 * ipa-prop.c: New file.
6852 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
6853 * common.opt: Add ipa-cp flag.
6854 * timevar.def: Add IPCP optimization.
6855 * tree-optimize.c (init_tree_optimization_passes): Schedule
6857 * tree-pass.h (pass_ipa_cp): Declare.
6859 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
6861 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
6862 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
6863 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
6864 config/i386/i386.c, config/mips/mips.h,
6865 config/rs6000/rs6000.h, config/sh/sh.c,
6866 config/stormy16/stormy16.c: Fix comment typos.
6868 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
6871 * c-typeck.c (build_binary_op): Use common_type wrapper on
6873 (common_type): Update comment.
6875 2005-07-31 Steven Bosscher <stevenb@suse.de>
6878 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
6879 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
6880 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
6882 2005-07-31 Jan Hubicka <jh@suse.cz>
6884 * pretty-print.h (pp_widest_integer): New macro.
6885 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
6888 2005-07-31 Jan Hubicka <jh@suse.cz>
6890 * output.h (enum section_category): Export from varasm.c
6891 (categorize_decl_for_section): Likewise.
6892 * varasm.c (enum section_category): Kill.
6893 (categorize_decl_for_section): Make global.
6894 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
6896 * i386.c (ix86_section_threshold): New static variable.
6897 (ix86_in_large_data_p, ix86_encode_section_info,
6898 x86_64_elf_unique_section,
6899 x86_64_elf_select_section): New functions.
6900 (TARGET_ENCODE_SECTION_INFO): Define
6901 (override_options): Enable medium model for PIC.
6902 (ix86_expand_prologue): Expand gen_set_got_rex64.
6903 (legitimate_constant_p): Handle new UNSPECs.
6904 (legitimate_pic_address_disp_p): Likewise.
6905 (legitimize_pic_address): Lower MEDIUM model addressing.
6906 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
6907 (enum cmodel): Add MEDIUM_PIC.
6908 (SYMBOL_REF_FAR_ADDR_P): New macro.
6909 (SYMBOL_FLAG_FAR_ADDR): New flag.
6910 * i386.md (movdi): Support medium model.
6911 (set_got_rex64): New pattern.
6912 * i386.opt (mlarge-data-threshold): New flag.
6913 * predicates.md (zext_operand/sext_operand): Deal with medium model.
6914 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
6915 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
6916 TARGET_ASM_UNIQUE_SECTION): New.
6918 * invoke.texi (-mlarge_data_threshold): Document
6920 2005-07-31 Jan Hubicka <jh@suse.cz>
6922 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
6923 (coalesce_vars): Likewise.
6924 * tree-ssa-live.c (coalesce_cost): New.
6925 (build_tree_conflict_graph): Use coalesce_cost.
6926 * tree-ssa-live.h (coalesce_cost): Declare.
6928 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
6930 * arm.md (all peepholes for post-increment operations): Delete.
6931 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
6932 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
6933 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
6934 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
6935 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
6937 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
6939 * fold-const.c (tree_expr_nonnegative_p): Always return true for
6942 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
6945 * doc/invoke.texi: Document -rdynamic.
6947 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
6950 * c-parser.c (c_parser_parms_list_declarator): Call
6951 mark_forward_parm_decls.
6952 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
6953 decls with visibility structure.
6955 2005-07-30 Paul Brook <paul@codesourcery.com>
6957 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
6959 2005-07-30 Paul Brook <paul@codesourcery.com>
6961 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
6963 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
6965 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
6967 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6970 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
6971 nested function declarators.
6972 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
6973 (grokparms): Call warn_if_shadowing for parameters used within the
6975 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
6976 not used within the parameter list.
6977 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
6979 2005-07-30 Jan Hubicka <jh@suse.cz>
6981 * expr.c (expand_expr_real_1): Do not load mem targets into register.
6982 * i386.c (ix86_fixup_binary_operands): Likewise.
6983 (ix86_expand_unary_operator): Likewise.
6984 (ix86_expand_fp_absneg_operator): Likewise.
6985 * optabs.c (expand_vec_cond_expr): Validate dest.
6987 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6990 * real.c (real_from_string): Also set last bit if there is a
6991 nonzero hex digit beyond GCC's internal precision after ".".
6993 2005-07-29 David Edelsohn <edelsohn@gnu.org>
6995 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
6996 define_constants. Change duplicate values to unassigned numbers.
6997 Change UNSPEC_SUBS to UNSPEC_VSUBS.
6998 (*altivec_vspltsf): New.
6999 (altivec_vperm_v4sf): Delete.
7000 (altivec_vperm_<mode>): Use mode macro V.
7001 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
7002 (altivec_predicate_v4sf): Delete.
7003 (altivec_predicate_<mode>): Use mode macro V.
7004 (*altivec_lvesfx): New.
7005 (*altivec_stvesfx): New.
7006 (vec_realign_load_v4sf): Delete.
7007 (vec_realign_load_<mode>): Use mode macro V.
7008 * config/rs6000/rs6000.c (generate_set_vrsave): Use
7011 2005-07-29 Mark Mitchell <mark@codesourcery.com>
7014 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
7016 * configure: Regenerated.
7018 2005-07-29 Paul Brook <paul@codesourcery.com>
7020 * doc/install.texi: Add link to GFortran binaries wiki page.
7022 2005-07-29 David Ung <davidu@mips.com>
7024 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
7025 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
7026 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
7027 * config/mips/mips.md (cpu): Add 5kf name.
7028 (includes): Includes 5k.md.
7029 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
7030 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
7033 2005-07-29 Diego Novillo <dnovillo@redhat.com>
7036 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
7037 (cleanup_tree_cfg): ... here.
7038 Call cleanup_tree_cfg_1 until there are no more cleanups to
7041 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
7043 * tree-vrp.c (compare_range_with_value): Return true or false
7044 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
7045 EQ_EXPR respectively.
7047 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
7049 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
7052 2005-07-29 Diego Novillo <dnovillo@redhat.com>
7054 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
7055 (tree_ssa_dominator_optimize): Increment it.
7056 (dump_dominator_optimization_stats): Print it.
7058 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
7059 Steven Bosscher <stevenb@suse.de>
7061 PR rtl-optimization/23117
7062 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
7063 when head == tail. Tidy comment.
7065 2005-07-28 Richard Henderson <rth@redhat.com>
7067 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
7068 * cselib.c (rtx_equal_for_cselib_p): Likewise.
7069 * jump.c (rtx_renumbered_equal_p): Likewise.
7070 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
7071 CONST_INT and CONST_DOUBLE.
7072 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
7073 * reload.c (operands_match_p): Special case CONST_INT and
7074 CONST_DOUBLE; check mode earlier.
7076 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7079 * c-typeck.c (convert_for_assignment): Do not check
7080 DECL_IN_SYSTEM_HEADER on NULL fundecl.
7082 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7085 * c-typeck.c (composite_type): Prefer constant size arrays to
7088 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7091 * real.c (real_from_string): Set last bit if there is a nonzero
7092 hex digit beyond GCC's internal precision.
7094 2005-07-28 Richard Henderson <rth@redhat.com>
7097 * cfgcleanup.c (try_forward_edges): Watch out for end of
7100 2005-07-28 James E Wilson <wilson@specifixinc.com>
7103 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
7105 2005-07-28 Jan Hubicka <jh@suse.cz>
7107 * Makefile.in (rtl-profile.o): Kill all traces of it.
7108 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
7109 * coverage.h (rtl_coverage_counter_ref): Kill.
7110 * opts.c (flag_speculative_prefetching_set): Kill.
7111 (flag_loop_optimize_set): New.
7112 (common_handle_option): Disable loop optimizer when profiling;
7113 do not handle speculative prefetching.
7114 * passes.c (init_optimization_passes): Replace pass_profiling combo
7115 by branch_prob pass.
7116 * profile.c (compute_value_histograms): Update for simplified value
7118 (rtl_register_profile_hooks): Kill.
7119 (pass_profiling): Kill.
7120 (rest_of_handle_branch_prob): Do not profile.
7121 * toplev.c (process_options): Remove speculative prefetching.
7122 * toplev.h (flag_tree_based_profiling): Kill.
7123 * tree-profile.c (prepare_instrumented_value,
7124 tree_gen_interval_profiler, tree_gen_pow2_profiler,
7125 tree_gen_one_value_profiler, do_tree_profiling): Update for
7126 simplified datastructures.
7127 * value-prof.c: Add comment that speculative prefetching was dropped;
7128 update rest of file for simplified datastructures.
7129 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
7130 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
7131 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
7132 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
7133 rtl_mod_subtract, gen_speculative_prefetch,
7134 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
7135 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
7136 (gate_handle_value_profile_transformations,
7137 rest_of_handle_value_profile_transformations,
7138 pass_value_profile_transformations): Kill.
7139 * value-prof.h (histogram_value_t): Remove IL based unions.
7140 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
7141 rtl_profile_hooks): Remove hooks.
7143 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
7145 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
7146 (cgraph_clone_node): Likewise.
7147 * cgraph.h (cgraph_clone_edge): Update prototype.
7148 (cgraph_clone_node): Likewise.
7149 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
7151 (lookup_recursive_calls): Consider profile.
7152 (cgraph_decide_recursive_inlining): Fix updating; use new
7153 probability argument; use profile.
7154 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
7155 * tree-inline.c (copy_bb): Update clal of clone_edge.
7156 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
7158 * invoke.texi (min-inline-recursive-probability): Document.
7160 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
7162 * doc/install.texi (Configuration): Update Valgrind homepage.
7164 2005-07-28 Richard Henderson <rth@redhat.com>
7167 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
7168 labels we want to delete.
7169 (cfg_layout_merge_blocks): Likewise.
7171 2005-07-28 Richard Henderson <rth@redhat.com>
7174 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
7175 when expanding to nothing.
7177 2005-07-28 Josh Conner <jconner@apple.com>
7179 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
7180 (cgraph_decide_inlining_of_small_functions): Likewise.
7182 2005-07-28 Josh Conner <jconner@apple.com>
7184 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
7185 direction of badness if negative.
7186 (cgraph_default_inline_p): Add reason to parameters, and assign it
7188 (cgraph_decide_inlining_of_small_functions): New parameter in call
7189 to cgraph_default_inline_p.
7190 (cgraph_decide_inlining_incrementally): Likewise.
7191 * cgraphunit.c (decide_is_function_needed): Likewise.
7192 * cgraph.h (cgraph_default_inline_p): Likewise.
7194 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7196 * builtins.c: Fix comment typo(s).
7197 * genautomata.c: Likewise.
7198 * gimplify.c: Likewise.
7199 * tree-dfa.c: Likewise.
7200 * tree-flow-inline.h: Likewise.
7201 * tree-into-ssa.c: Likewise.
7202 * tree-ssa-alias.c: Likewise.
7203 * tree-ssa-ccp.c: Likewise.
7204 * tree-ssa-copy.c: Likewise.
7205 * tree-ssa-dce.c: Likewise.
7206 * tree-ssa-dom.c: Likewise.
7207 * tree-ssa-operands.c: Likewise.
7208 * tree-tailcall.c: Likewise.
7209 * tree-vectorizer.c: Likewise.
7210 * tree-vrp.c: Likewise.
7213 2005-07-28 Jeff Law <law@redhat.com>
7215 * tree-vrp.c (test_for_singularity): Extracted from ...
7216 (simplify_cond_using_ranges): Attempt to simplify a relational
7217 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
7219 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
7221 PR tree-optimization/22506
7222 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
7223 phis whose argument is constant.
7225 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
7227 PR rtl-optimization/18992
7228 Back out this patch:
7229 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7230 PR optimization/12142
7231 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
7232 uses of the register in the SET_SRC. Remove unnecessary argument.
7234 Replace it with this:
7235 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
7236 if flag_non_call_exceptions is set and the insn may trap, pass
7237 pc_rtx as dest for recursion.
7238 In SET_SRC part of SET case, if dest is already set, pass it down
7241 2005-07-28 Jan Hubicka <jh@suse.cz>
7243 * cfg.c (update_bb_profile_for_threading): Use RDIV.
7244 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
7245 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
7247 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
7248 profile when available.
7250 2005-07-28 Jan Beulich <jbeulich@novell.com>
7252 * config/ia64/ia64.c (ia64_load_pair_ok): New.
7253 (ia64_print_operand): Describe and handle 'X'.
7254 (ia64_register_move_cost): Also handle FP_REGS.
7255 (ia64_preferred_reload_class): Likewise.
7256 (ia64_secondary_reload_class): Likewise.
7257 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
7258 it. Also check for ITANIUM_CLASS_FLDP.
7259 * config/ia64/ia64.h (FP_REGNO_P): New.
7260 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
7261 (reg_class): Add FP_REGS.
7262 (REG_CLASS_NAMES): Adjust for it.
7263 (REG_CLASS_CONTENTS): Likewise.
7264 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
7265 (REG_CLASS_FROM_LETTER): Handle 'x'.
7266 (CLASS_MAX_NREGS): Handle FP_REGS.
7267 (MEMORY_MOVE_COST): Likewise.
7268 * config/ia64/ia64.md (itanium_class): Add fldp.
7269 (type): Handle fldp.
7270 (movti_internal): More allowable operand combinations. Use ldfp8 when
7271 splitting unnecessary. Remove predicable attribute. Adjust
7272 itanium_class attribute.
7273 (smuldi3_highpart): Remove outdated comment.
7274 (mulditi3, umulditi3, rotlti3): New expanders.
7275 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
7276 (absti2): Disabled new insn for future reference.
7277 Respective new splitters.
7278 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
7279 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
7280 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
7282 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
7284 PR rtl-optimization/23047
7285 * simplify-rtx.c (simplify_const_relational_operation): Respect
7286 flag_wrapv for comparisons with ABS.
7288 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
7290 PR tree-optimization/22493
7291 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
7292 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
7294 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
7296 * config/frv/frv.opt (moptimize-membar): New.
7298 * doc/invoke.texi: Document -moptimize-membar and its inverse.
7300 * config/frv/frv.h: Remove machine_function definition.
7302 * config/frv/frv.c (struct frv_io): New.
7303 (struct machine_function): Moved from frv.h. Add has_membar_p.
7304 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
7305 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
7306 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
7307 (frv_optimize_membar_global, frv_optimize_membar): New functions.
7308 (frv_reorg): Call frv_optimize_membar when appropriate.
7309 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
7310 (frv_expand_builtin): Adjust calls accordingly.
7311 (frv_io_address_cookie): New function.
7312 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
7313 load or store rather than a special insn. Add ccnstant address and
7314 io-type operands to the membar.
7315 (frv_ifcvt_modify_tests): Unsign regno.
7316 (frv_ifcvt_modify_tests): Same.
7318 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
7319 UNSPEC_OPTIONAL_MEMBAR constant.
7320 (builtin_read_<mode>): Delete.
7321 (builtin_write_<mode>): Delete.
7322 ("optional_membar_<mode>"): Add operand.
7324 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
7325 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
7326 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
7327 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
7328 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
7329 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
7330 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
7331 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
7332 * testsuite/gcc.target/frv/all-read-write-1.c: New.
7334 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
7336 * df.c (df_uses_record): Handle SCRATCH.
7338 2005-07-28 Steven Bosscher <stevenb@suse.de>
7341 * passes.c (rest_of_decl_compilation): If decl is a type and
7342 we have encountered errors, don't emit debug information.
7344 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7346 * params.def: Fixed comment.
7348 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
7351 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
7352 (TARGET_ASM_UNALIGNED_HI_OP): Add.
7353 (TARGET_ASM_UNALIGNED_SI_OP): Add.
7355 2005-07-27 Steven Bosscher <stevenb@suse.de>
7358 * varasm.c (assemble_start_function): Don't do anything that may
7359 require a CFG if the current function is a thunk.
7361 2005-07-25 Geoffrey Keating <geoffk@apple.com>
7363 * doc/install.texi (Prerequisites): Mention that perl is needed
7364 to do export control in libstdc++ targetting Darwin.
7366 2005-07-27 Steven Bosscher <stevenb@suse.de>
7368 PR rtl-optimization/17808
7369 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
7370 (sched_insns_conditions_mutex_p): Split out from...
7371 (add_dependence): ...here. But don't call it from here.
7372 (add_dependence_list): Check sched_insns_conditions_mutex_p
7373 before calling add_dependence.
7374 (add_dependence_list_and_free): Likewise.
7375 (fixup_sched_groups): Likewise.
7376 (sched_analyze_1): Likewise.
7377 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
7378 (sched_analyze): Likewise.
7379 (sched_analyze_insn): Likewise.
7380 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
7381 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
7382 dependencies on all COND_EXEC insns to jumps ending basic blocks
7383 when doing intrablock scheduling.
7384 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
7386 2005-07-27 Jeff Law <law@redhat.com>
7388 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
7389 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
7390 equivalency sets, correctly handle the case were vr0 has an
7391 equivalency set, but vr1 does not.
7393 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
7395 PR tree-optimization/23073
7396 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
7397 vect_print_dump_info before fprintf.
7399 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7401 PR tree-optimize/22348
7402 * tree-ssa-loop-niter.c (number_of_iterations_cond):
7403 Fold the partial computation.
7405 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7407 PR tree-optimization/22325
7408 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
7410 * tree-scalar-evolution.c (scev_const_prop): Add generic final
7412 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
7413 (force_var_cost): ... this function.
7414 (compute_phi_arg_on_exit): Export.
7416 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7418 PR tree-optimization/20773
7419 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
7422 2005-07-27 Richard Guenther <rguenther@suse.de>
7424 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
7425 Avoid pushing again if current struct contains only
7426 fields we decomposed.
7428 2005-07-27 Jan Hubicka <jh@suse.cz>
7430 PR tree-optimization/22574
7431 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
7434 * tree-tailcall.c (decrease_profile): New function.
7435 (eliminate_tail_call): Use it.
7437 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
7438 visibility flags correctly in whole program mode.
7440 2005-07-26 Steve Ellcey <sje@cup.hp.com>
7442 PR rtl-optimization/22472
7443 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
7445 2005-07-26 Steven Bosscher <stevenb@suse.de>
7447 PR tree-optimization/22504
7448 * tree-complex.c (expand_complex_addition): Use 'code' instead
7449 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
7451 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7453 * config.gcc (cpu_type): Add frv case.
7454 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
7455 (supported_defaults): Add fr550 case.
7457 2005-07-26 Diego Novillo <dnovillo@redhat.com>
7460 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
7461 whether a pointer of type T * may point to objects of type T *.
7463 2005-07-26 DJ Delorie <dj@redhat.com>
7465 * configure: Regenerate.
7467 2005-07-26 Dale Johannesen <dalej@apple.com>
7469 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
7471 2005-07-26 Mark Mitchell <mark@codesourcery.com>
7473 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
7474 Clarify use of "build" in name.
7476 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7478 * doc/extend.texi (Raw read/write Functions): New section.
7479 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
7480 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
7481 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
7482 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
7483 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
7484 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
7485 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
7486 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
7487 * config/frv/frv.c: Add bdesc_loads global.
7488 Add bdesc_stores global.
7489 (frv_init_builtins): Add support for __builtin_{read/write}*.
7490 (frv_volatile_memref): New.
7491 (frv_expand_load_builtin): New.
7492 (frv_expand_store_builtin): New.
7493 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
7494 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
7495 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
7496 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
7497 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
7498 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
7499 (builtin_read_<mode>): New.
7500 (builtin_write_<mode>): New.
7501 (builtin_write64): New.
7502 (optional_membar_<mode>): New.
7504 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
7506 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
7507 (rather than units) against HOST_BITS_PER_WIDE_INT.
7509 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
7511 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
7512 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
7513 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
7514 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
7517 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
7518 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
7519 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
7521 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
7523 2005-07-26 Richard Guenther <rguenther@suse.de>
7525 PR tree-optimization/22486
7526 * fold-const.c (fold_unary): Fold away useless component
7527 references of the form (T *)&T.x, if the address
7530 2005-07-25 James E Wilson <wilson@specifixinc.com>
7532 * dwarf2out.c (add_call_src_coords_attributes): New.
7533 (gen_inlined_subroutine_die): Call it.
7534 (maybe_emit_file, init_file_table): Add comments.
7535 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
7537 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
7538 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
7539 * tree.h (BLOCK_SOURCE_LOCATION): New.
7540 (struct tree_block): New field locus.
7542 2005-07-26 Andreas Schwab <schwab@suse.de>
7544 PR rtl-optimization/23043
7545 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
7546 when allocating a struct unoccr.
7548 2005-07-25 Richard Henderson <rth@redhat.com>
7551 * tree-complex.c (gate_no_optimization): True if errors.
7552 * Makefile.in (tree-complex.o): Update dependencies.
7554 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
7556 * config/frv/predicates.md (integer_register_operand): Use
7559 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7562 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
7564 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
7566 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7568 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
7569 types when flag_unsafe_math_optimizations is true.
7571 2005-07-25 Mark Mitchell <mark@codesourcery.com>
7573 * gcc.c (option_map): Add --sysroot.
7574 (process_command): Handle --sysroot.
7575 (display_help): Document it.
7576 * doc/cppopts.tex (-isysroot): Document.
7577 * doc/invoke.texi (--sysroot): Document.
7578 * doc/install.texi (--with-build-sysroot): Document.
7580 * Makefile.in (inhibit_libc): New variable.
7581 (INHIBIT_LIBC_CFLAGS): Likewise.
7582 (LIBGCC2_CFLAGS): Include
7583 $(INHIBIT_LIBC_CFLAGS).
7584 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
7585 ($(T)crtbegin.o): Do not use @inhibit_libc@.
7586 ($(T)crtend.o): Likewise.
7587 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
7588 ($(T)crtendS.o): Likewise.
7589 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
7590 ($(T)crtendT.o): Likewise.
7591 (stmp-fixinc): Do not complain about missing headers if
7593 * configure.ac (inhibit_libc): Set it to true/false.
7594 (--with-build-sysroot): New option. Use it to set
7596 * configure: Regenerated.
7598 2005-07-25 Manfred Hollstein <mh@suse.com>
7600 * calls.c (store_one_arg): Fix unsigned comparison warning.
7602 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
7605 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
7606 (ggc_print_statistics): Initialize variable before use.
7608 2005-07-25 Richard Guenther <rguenther@suse.de>
7610 * tree-dfa.c (mark_new_vars_to_rename): Protect against
7611 calling with a PHI_NODE argument.
7613 * tree-flow-inline.h (overlap_subvar): Protect against
7616 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
7618 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
7619 * configure: Regenerate.
7621 2005-07-25 Ira Rosen <irar@il.ibm.com>
7623 * expr.c (highest_pow2_factor): Make extern.
7624 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
7625 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
7626 record_array_differ_p, array_ptr_differ_p): Likewise.
7627 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
7628 additional cases. Call the above functions.
7629 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
7630 base_object_differ_p when there are two base objects. Otherwise, compare
7631 base address and offset. Call may_alias_p.
7632 (dump_data_reference): Use a correct field name.
7633 (analyze_array): Make static. Initialize new data-ref fields.
7634 (analyze_indirect_ref): New function.
7635 (init_data_ref): Initialize new data-ref fields.
7636 (strip_conversion): Moved from tree-vect-analyze.c.
7637 (analyze_offset_expr, get_ptr_offset, address_analysis,
7638 object_analysis): Likewise.
7639 (analyze_offset): New function.
7640 (create_data_ref): Likewise.
7641 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
7642 dimensions for ARRAY_REFs only.
7643 (build_classic_dist_vector): Make static.
7644 (access_functions_are_affine_or_constant_p): Call macro to get the
7645 address of access functions.
7646 (compute_all_dependences): Add new parameter
7647 compute_self_and_read_read_dependences. Compute self and read-read
7648 dependences if it is true.
7649 (find_data_references_in_loop): Call create_data_ref. Initialize new
7651 (compute_data_dependences_for_loop): Add new parameter
7652 compute_self_and_read_read_dependences. Remove parameter nb_loops,
7653 compute nb_loops. Call compute_all_dependences,
7654 build_classic_dist_vector and build_classic_dir_vector with correct
7656 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
7657 with correct parameters. Compare dimensions for ARRAY_REFs only.
7658 (free_data_refs): Call macro to free access functions.
7659 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
7660 fields from stmt_vinfo.
7661 (struct base_object_info): New structure.
7662 (struct data_reference): Move fields to base_object_info. Add fields
7663 first_location and object_info for above structures. Move fields from
7664 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
7665 aligned_to. Add macros to access the new fields.
7666 Update functions declarations.
7667 * tree-flow.h (is_aliased_with): Declare.
7668 * tree-loop-linear.c (linear_transform_loops): Call
7669 compute_data_dependences_for_loop with correct parameters.
7670 * tree-ssa-alias.c (is_aliased_with): New function.
7671 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
7672 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
7673 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
7674 vect_base_addr_differ_p, compute_subscript_distance and
7675 build_classic_dist_vector. Add printings. Check absolute value of
7677 (vect_analyze_data_ref_dependences): Go through ddrs instead of
7679 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
7680 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
7681 to bytes. Add printing.
7682 (vect_compute_data_refs_alignment): Go through loads and stores in one
7684 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
7685 vect_analyze_data_ref_access): Likewise.
7686 (vect_analyze_pointer_ref_access): Remove.
7687 (vect_address_analysis, vect_object_analysis): Likewise.
7688 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
7689 and analyze data-refs in the loop.
7690 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
7691 fields of data-ref instead of stmt. Add init to the offset from the
7693 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
7694 (vect_update_init_of_dr): Likewise.
7695 (vect_update_inits_of_drs): Go through loads and stores in one loop.
7696 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
7698 (new_loop_vec_info): Initialize new fields.
7699 (destroy_loop_vec_info): Free new fields.
7700 (vect_strip_conversion): Remove.
7701 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
7702 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
7703 datarefs. Add new field ddrs.
7704 Add macros for the new fields access.
7705 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
7706 base_aligned_p, misalignment, memtag, ptr_info and subvars.
7707 Remove their macros.
7708 * tree.h (highest_pow2_factor): Declare.
7710 2005-07-25 Jakub Jelinek <jakub@redhat.com>
7712 * calls.c (store_one_arg): Check for sibling call MEM arguments
7713 from already clobbered incoming argument area.
7715 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7717 * c-common.c (check_missing_format_attribute): New.
7718 * c-common.h (check_missing_format_attribute): Likewise.
7719 * c-typeck.c (convert_for_assignment): Use it.
7721 2005-07-24 Andreas Schwab <schwab@suse.de>
7723 * config/m68k/m68k.md ("extendqidi2"): When source is an address
7724 register use a word move. Correct operand of ext.w in 68000 code.
7726 2005-07-23 Mark Mitchell <mark@codesourcery.com>
7728 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
7729 variables as declarations, rather than definitions.
7731 2005-07-24 Ira Rosen <irar@il.ibm.com>
7733 PR tree-optimization/22526
7734 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
7737 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7739 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
7740 that C99 reserve for future use. Use it to define clog10,
7741 clog10f and clog10l.
7743 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7745 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
7746 * configure.ac: Check for -Wmissing-format-attribute.
7748 * configure: Regenerate.
7750 2005-07-23 Richard Henderson <rth@redhat.com>
7752 PR tree-optimization/22623
7753 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
7755 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
7758 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
7760 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7762 * Makefile.in (C_TREE_H): Update dependencies.
7763 * c-tree.h: Include toplev.h.
7764 * diagnostic.h (diagnostic_set_info): Add format attribute.
7765 * rtl-error.c (diagnostic_for_asm): Likewise.
7767 2005-07-23 Chao-ying Fu <fu@mips.com>
7769 * config/mips/mips-dsp.md: New file.
7770 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
7771 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
7773 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
7774 MIPS_BUILTIN_BPOSGE32.
7775 (mips_expand_builtin_direct): Add one parameter to indicate that
7776 builtin functions need to return a value.
7777 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
7779 (mips_regno_to_class): Add classes for 12 new DSP registers.
7780 (mips_subword): Change to check four HI registers.
7781 (mips_output_move): Output move to and from 6 new DSP accumulators.
7782 (override_options): Make sure -mdsp and -mips16 are not used together.
7783 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
7785 (mips_conditional_register_usage): Disable 6 new DSP accumulators
7787 (print_operand): Add 'q' for printing DSP accumulators.
7788 (mips_cannot_change_mode_class): Check ACC_REGS.
7789 (mips_secondary_reload_class): Check ACC_REGS.
7790 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
7791 (mips_register_move_cost): Check ACC_REGS.
7792 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
7793 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
7794 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
7795 (dsp_bdesc): New array.
7796 (bdesc_arrays): Add DSP builtin function table.
7797 (mips_prepare_builtin_arg): Check predicate again after
7799 (mips_expand_builtin): Add one more parameter to
7800 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
7801 MIPS_BUILTIN_BPOSGE32.
7802 (mips_init_builtins): Initialize new function types.
7803 (mips_expand_builtin_direct): Check if builtin functions need to
7804 return a value and pass operands properly.
7805 (mips_expand_builtin_bposge): New function.
7806 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
7807 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
7808 (FIRST_PSEUDO_REGISTER): Increase to 188.
7809 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
7810 Update for 12 new DSP registers.
7811 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
7812 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
7813 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
7814 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
7815 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
7816 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
7817 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
7818 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
7819 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
7820 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
7821 (REGISTER_NAMES): Add names for 12 new DSP registers.
7822 * config/mips/mips.md: Include mips-dsp.md.
7823 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
7824 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
7825 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
7826 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
7827 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
7828 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
7829 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
7830 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
7831 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
7832 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
7833 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
7834 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
7835 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
7836 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
7837 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
7838 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
7839 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
7840 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
7841 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
7842 (UNSPEC_RDDSP): New constants.
7843 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
7844 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
7846 * config/mips/mips.opt (-mdsp): New option.
7847 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
7848 (reg_imm10_operand): New predicates.
7849 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
7850 * doc/invoke.texi (-mdsp): Document new option.
7852 2005-07-22 DJ Delorie <dj@redhat.com>
7854 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
7856 * tree-inline.c (inlinable_function_p): Likewise.
7858 2005-07-22 Mark Mitchell <mark@codesourcery.com>
7861 * toplev.c (check_global_declarations): Do not mark undefined
7862 variables as DECL_IGNORED_P.
7863 * varasm.c (first_global_object_name): GTY it.
7864 (weak_global_object_name): Likewise.
7865 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
7866 a string to go into {weak,first}_global_object_name.
7868 2005-07-22 DJ Delorie <dj@redhat.com>
7870 * c-format.c (check_function_format): Change warning control
7871 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
7873 2005-07-22 Diego Novillo <dnovillo@redhat.com>
7875 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
7876 &PTR->FLD a dereference of PTR.
7877 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
7878 a potential dereference of PTR.
7880 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
7882 PR rtl-optimization/20370
7883 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
7884 call allocate_reg_info if necessary.
7886 PR rtl-optimization/21848
7887 * calls.c (emit_library_call_value_1): For const functions, add
7888 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
7890 PR rtl-optimization/22445
7891 * cselib.c (target.h): Include.
7892 (rtx_equal_for_cselib_p): Allow commutative matches.
7893 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
7894 Remove MODE parameter. Changed all callers.
7896 PR rtl-optimization/22258
7897 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
7899 (try_combine): Use likely_spilled_retval_p.
7901 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
7903 * config.gcc: Add crx-elf support.
7905 * doc/contrib.texi: Mention crx.
7906 * doc/extend.texi: Document crx extensions.
7907 * doc/install.texi: Document crx install.
7908 * doc/invoke.texi: Document crx options.
7909 * doc/md.texi: Document crx constraints.
7911 * config/crx/crx-protos.h: New file.
7912 * config/crx/crx.c: New file.
7913 * config/crx/crx.h: New file.
7914 * config/crx/crx.md: New file.
7915 * config/crx/crx.opt: New file.
7916 * config/crx/t-crx: New file.
7918 2005-07-22 Manfred Hollstein <mh@suse.com>
7920 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
7922 (int_add_graph_edge): Likewise.
7923 (collapse_nodes): Likewise.
7924 (process_unification_queue): Likewise.
7926 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7927 Laurent GUERBY <laurent@guerby.net>
7929 PR tree-optimization/22336
7930 * function.c (record_block_change): Check for
7931 cfun->ib_boundaries_block.
7933 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
7935 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
7936 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
7938 2005-07-21 DJ Delorie <dj@redhat.com>
7940 * toplev.c (warn_deprecated_use): Add warning control to warning
7942 * c-typeck.c (parser_build_binary_op): Likewise.
7943 (c_finish_if_stmt): Likewise.
7944 * c-common.c (check_function_sentinel): Likewise.
7945 (check_nonnull_arg): Likewise.
7947 2005-07-21 Richard Henderson <rth@redhat.com>
7950 * tree-complex.c (complex_ssa_name_components): New.
7951 (cvc_lookup): Allow entry not found.
7952 (create_components): Remove.
7953 (create_one_component_var, get_component_var): New.
7954 (get_component_ssa_name, set_component_ssa_name): New.
7955 (extract_component): Use get_component_ssa_name.
7956 (update_complex_components): Use set_component_ssa_name.
7957 (update_complex_components_on_edge): Likewise.
7958 (update_phi_components): Create new PHI nodes directly, instead
7959 of adding insns to edges.
7960 (tree_lower_complex): Allocate and free complex_variable_components
7961 and complex_ssa_name_components here.
7963 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
7965 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
7966 revert to returning false.
7968 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7971 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
7973 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7976 * config/i386/i386.md (cmpxf): Change operand constraints
7977 to "nonmemory_operand".
7979 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7981 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
7983 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7986 * fold-const.c (fold_build1): Add checksum for the operands.
7987 (fold_build2): Likewise.
7988 (fold_build3): Likewise.
7990 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7993 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
7995 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7997 * common.opt (-fforward-propagate): Committed by mistake,
8000 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8002 * reg-stack.c: Fix comment typo(s).
8003 * tree-ssa-operands.c: Likewise.
8004 * tree-vectorizer: Likewise.
8006 2005-07-21 Nick Clifton <nickc@redhat.com>
8008 * config/sh/symbian.c: Replace C++ style line comments with C
8009 style line comments.
8010 (symbian_add_attribute): Do not use a ? operator on the LHS of
8012 (sh_symbian_handle_dll_attribute): Change the type of the
8013 method vector to "VEC(tree,gc)*" and use vector accessor
8014 macros to walk over the elements.
8015 (symbian_export_vtable_and_rtti_p): Likewise.
8016 (symbian_class_needs_attribute_p): Likewise.
8018 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
8021 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
8022 initialize targetm.resolve_overloaded_builtin here.
8023 (altivec_expand_overloaded_builtin): Make it non-static.
8024 * config/rs6000/rs6000-protos.h
8025 (altivec_expand_overloaded_builtin): New prototype.
8026 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
8027 targetm.resolve_overloaded_builtin here.
8028 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
8030 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
8031 Zdenek Dvorak <dvorakz@suse.cz>
8033 PR tree-optimization/19210
8034 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
8036 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
8037 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
8038 rely on unproven assumptions.
8039 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
8040 * tree-flow.h (number_of_iterations_exit): Add final parameter.
8041 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
8042 to number_of_iterations_exit.
8043 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
8044 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
8045 * tree-ssa-loop-niter.c (find_loop_niter,
8046 estimate_numbers_of_iterations_loop): Likewise.
8047 (number_of_iterations_exit): Honor the new options.
8048 * doc/invoke.texi (Wunsafe-loop-optimizations,
8049 funsafe-loop-optimizations): Document them.
8051 2005-07-21 Richard Sandiford <richard@codesourcery.com>
8053 PR rtl-optimization/22167
8054 * gcse.c (hoist_code): Fix hoist_exprs[] check.
8056 2005-07-20 Adam Nemet <anemet@lnxw.com>
8058 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
8059 __do_global_dtors_aux longcall.
8061 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
8063 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
8064 (old_special_pred_table): Don't reference
8065 SPECIAL_MODE_PREDICATES.
8066 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
8067 * config/arc/arc.h: Don't mention PREDICATE_CODES.
8068 * config/sh/predicates.h: Don't mention
8069 SPECIAL_MODE_PREDICATES.
8070 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
8073 2005-07-20 DJ Delorie <dj@redhat.com>
8075 * config.gcc: Add m32c-elf support.
8077 * doc/contrib.texi: Mention m32c.
8078 * doc/extend.texi: Document m32c extensions.
8079 * doc/install.texi: Mention m32c.
8080 * doc/invoke.texi: Document m32c options.
8081 * doc/md.texi: Document m32c constraints.
8083 * config/m32c/addsub.md: New file.
8084 * config/m32c/bitops.md: New file.
8085 * config/m32c/cond.md: New file.
8086 * config/m32c/jump.md: New file.
8087 * config/m32c/m32c-lib1.S: New file.
8088 * config/m32c/m32c-lib2.c: New file.
8089 * config/m32c/m32c-modes.def: New file.
8090 * config/m32c/m32c-pragma.c: New file.
8091 * config/m32c/m32c-protos.h: New file.
8092 * config/m32c/m32c.abi: New file.
8093 * config/m32c/m32c.c: New file.
8094 * config/m32c/m32c.h: New file.
8095 * config/m32c/m32c.md: New file.
8096 * config/m32c/m32c.opt: New file.
8097 * config/m32c/minmax.md: New file.
8098 * config/m32c/mov.md: New file.
8099 * config/m32c/muldiv.md: New file.
8100 * config/m32c/predicates.md: New file.
8101 * config/m32c/prologue.md: New file.
8102 * config/m32c/shift.md: New file.
8103 * config/m32c/t-m32c: New file.
8105 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
8107 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8108 (stack_protect_set, stack_protect_test): New expanders.
8109 (stack_protect_set_si, stack_protect_set_si_media,
8110 stack_protect_set_di_media, stack_protect_test_si,
8111 stack_protect_test_si_media, stack_protect_test_di_media):
8114 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
8116 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
8118 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
8120 * tree.h (tree_expr_nonzero_p): Export.
8121 * fold-const.c (tree_expr_nonzero_p): Likewise.
8122 Return true for CALL_EXPRs that are alloca calls.
8123 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
8125 * tree-flow.h (expr_computes_nonzero): Remove.
8126 * tree-vrp.c (expr_computes_nonzero): Remove.
8127 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
8128 (extract_range_from_unary_expr): Likewise.
8129 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
8130 tree_expr_nonzero_p.
8132 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
8134 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
8135 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
8136 extra arg "picreg" and use it instead of pic_offset_table_rtx.
8137 All callers changed.
8138 (frame_related_constant_load): New arg "related" which controls
8139 setting of RTX_FRAME_RELATED_P. All callers changed.
8140 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
8141 (bfin_expand_prologue): Add stack limit checking.
8142 * config/bfin/bfin.md (trapifcc): New pattern.
8144 * config/bfin/bfin.c: Include "langhooks.h".
8145 (def_builtin): Go through lang_hooks to call builtin_function.
8147 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
8148 * config/bfin/predicates.md (symbol_ref_operand): New.
8149 (call_insn_operand): Delete. All callers changed to use
8150 register_no_elim_operand.
8151 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
8153 (function_arg): Use it to generate the call's operand 2.
8154 (bfin_longcall_p): New function.
8155 (bfin_expand_call): Extra arg "cookie". All callers and declaration
8156 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
8157 determine if the address needs to be in a REG.
8158 (bfin_handle_longcall_attribute): New function.
8159 (bfin_attribute_table): Add "longcall" and "shortcall".
8160 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
8161 (CUMULATIVE_ARGS): New member call_cookie.
8162 (PREDICATE_CODES): Add symbol_ref_operand.
8163 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
8164 extra USE to the pattern.
8165 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
8166 New patterns, split off call_insn, sibcall_insn, call_value_insn and
8167 sibcall_value_insn; now the new patterns handle direct calls and the
8168 old ones indirect calls.
8169 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
8171 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
8173 * doc/trouble.texi: Update section on handling of empty loops.
8175 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
8177 * config.gcc: Remove support for sparc-*-openbsd*,
8178 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
8180 * config.host: Remove support for i860-*-sysv4* as a host.
8181 * config/i860/*, config/ip2k/*, config/ns32k/*,
8182 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
8183 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
8184 mention obsolete ports.
8186 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
8188 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
8190 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
8191 of frame_pointer_rtx.
8192 (sh_expand_epilogue): Likewise.
8193 (sh_set_return_address): Likewise.
8194 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
8195 instead of FRAME_POINTER_REGNUM if needed. Add elimination
8196 offsets from FRAME_POINTER_REGNUM.
8197 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
8198 (sh_register_names): Add initializer for sfp.
8199 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
8200 (VALID_REGISTER_P): Likewise.
8201 (FIRST_PSEUDO_REGISTER): Update.
8202 (DWARF_FRAME_REGISTERS): Define.
8203 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
8204 (HARD_FRAME_POINTER_REGNUM): Define.
8205 (FRAME_POINTER_REGNUM): Redefine.
8206 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
8207 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
8208 from FRAME_POINTER_REGNUM.
8209 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
8210 FRAME_POINTER_REGNUM.
8211 (REG_CLASS_CONTENTS): Add sfp.
8212 (REG_ALLOC_ORDER): Likewise.
8213 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
8214 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
8215 of frame_pointer_rtx.
8216 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
8218 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
8220 * fold-const.c (tree_expr_nonnegative_p): Only return true for
8221 ABS_EXPR when flag_wrapv is false because of INT_MIN.
8222 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
8224 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
8227 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
8229 Make CONSTRUCTOR use VEC to store initializers.
8230 * c-common.c (complete_array_type): Update to cope with VEC in
8232 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
8233 (pp_c_constructor_elts): New function.
8234 * c-pretty-print.h (pp_c_constructor_elts): Declare.
8235 * c-typeck.c (build_function_call, build_c_cast, digest_init,
8236 struct constructor_stack, struct initializer_stack,
8237 constructor_elements, push_init_level, pop_init_level,
8238 add_pending_init, find_init_member, output_init_element): Update to
8239 cope with VEC in CONSTRUCTOR_ELTS.
8240 * coverage.c (build_fn_info_value, build_ctr_info_value,
8241 build_gcov_info): Likewise.
8242 * expr.c (categorize_ctor_elements_1, store_constructor,
8243 expand_expr_real_1): Likewise.
8244 * fold-const.c (fold_ternary): Likewise.
8245 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
8246 gimplify_init_constructor, gimplify_expr): Likewise.
8247 * tree-dump.c (dequeue_and_dump): Likewise.
8248 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
8250 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
8252 * tree-sra.c (generate_element_init_1): Likewise.
8253 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
8254 * tree-ssa-operands.c (get_expr_operands): Likewise.
8255 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
8256 * tree-vect-transform.c (vect_get_vec_def_for_operand):
8257 (get_initial_def_for_reduction): Likewise.
8258 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
8259 value handle in annotations.
8260 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
8261 tree_node_structure): Add support for constr_kind.
8262 (build_vector_from_ctor, build_constructor_single,
8263 build_constructor_from_list): New functions.
8264 (build_constructor): Update to take a VEC instead of a TREE_LIST.
8265 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
8266 Update to cope with VEC in CONSTRUCTOR_ELTS.
8267 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
8268 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
8269 CONSTRUCTOR_APPEND_ELT): New macros.
8270 (struct constructor_elt, struct tree_constructor): New data types.
8271 (union tree_node): Add tree_constructor field.
8272 * treestruct.def: Define TS_CONSTRUCTOR.
8273 * varasm.c (const_hash_1, compare_constant, copy_constant,
8274 compute_reloc_for_constant, output_addressed_constants,
8275 initializer_constant_valid_p, output_constant,
8276 array_size_for_constructor, output_constructor): Update to cope with
8277 VEC in CONSTRUCTOR_ELTS.
8278 * vec.h (VEC_empty, VEC_copy): New macros.
8280 2005-07-19 Devang Patel <dpatel@apple.com>
8282 * dbxout.c (dbxout_type): Check Objective-C++ lang.
8284 2005-07-19 Richard Henderson <rth@redhat.com>
8287 * gimplify.c (gimplify_expr): Use main variant type for the temp
8288 destination for a discarded volatile read.
8289 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
8290 casts between non-void types that change volatility.
8292 2005-07-15 DJ Delorie <dj@redhat.com>
8294 * toplev.h: Add comment about the first parameter for warning().
8295 * errors.h: Likewise.
8297 * c.opt (Wpragmas): New.
8298 * doc/invoke.texi: Document it.
8300 * function.c (do_warn_unused_parameter): Add warning control to
8302 * c-decl.c (warn_if_shadowing): Likewise.
8303 * c-lex.c (cb_def_pragma): Likewise.
8304 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
8305 (pop_alignment): Likewise.
8306 (handle_pragma_pack): Likewise.
8307 (apply_pragma_weak): Likewise.
8308 (handle_pragma_weak): Likewise.
8309 (handle_pragma_redefine_extname): Likewise.
8310 (add_to_renaming_pragma_list): Likewise.
8311 (handle_pragma_extern_prefix): Likewise.
8312 (maybe_apply_renaming_pragma): Likewise.
8313 (handle_pragma_visibility): Likewise.
8315 * config/c4x/c4x-c.c (BAD): Likewise.
8316 (c4x_parse_pragma): Likewise.
8317 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
8318 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
8319 (rs6000_pragma_longcall): Likewise.
8320 * config/v850/v850-c.c (pop_data_area): Likewise.
8321 (ghs_pragma_section): Likewise.
8322 (ghs_pragma_section): Likewise.
8323 (ghs_pragma_interrupt): Likewise.
8324 (ghs_pragma_starttda): Likewise.
8325 (ghs_pragma_startsda): Likewise.
8326 (ghs_pragma_startzda): Likewise.
8327 (ghs_pragma_endtda): Likewise.
8328 (ghs_pragma_endsda): Likewise.
8329 (ghs_pragma_endzda): Likewise.
8331 2005-07-19 Danny Berlin <dberlin@dberlin.org>
8332 Kenneth Zadeck <zadeck@naturalbridge.com>
8334 * Makefile.in: Removed tree-promote-statics.c
8335 * tree-promote-statics.c: Removed.
8336 * common.opt: Removed flag-promote-statics.
8338 * passes.c: Removed tree-promote-statics pass.
8339 * tree-pass.h: Ditto.
8340 * timevar.def: Removed TV_PROMOTE_STATICS.
8343 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
8345 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
8347 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
8349 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8352 * c-common.c (check_function_arguments): Call
8353 'check_function_format' if either -Wformat or
8354 -Wmissing-format-attribute are specified.
8355 * c-format.c (check_function_format): Check -Wformat before
8356 calling 'check_format_info'.
8357 * c-opts.c (c_common_post_options): Don't warn for
8358 -Wmissing-format-attribute without -Wformat.
8359 * c-typeck.c (convert_for_assignment): Detect additional cases for
8360 -Wmissing-format-attribute.
8361 * doc/invoke.texi (-Wmissing-format-attribute): Document new
8364 2005-07-19 Richard Guenther <rguenther@suse.de>
8366 * config/i386/i386.md (lrint<mode>2): Use temporary
8367 instead of clobbering non-existent memory.
8369 2005-07-19 Nick Clifton <nickc@redhat.com>
8371 * config/avr/avr.c (legitimate_address_p): Fix debugging print
8372 statement to avoid displaying ASCII control characters.
8374 2005-07-19 Ben Elliston <bje@au.ibm.com>
8376 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
8377 * cfganal.c (find_edge_index): Ditto.
8378 * combine.c (combine_instructions): Ditto.
8379 * ddg.c (create_scc): Ditto.
8380 (find_successors): Ditto.
8381 (find_predecessors): Ditto.
8382 (find_nodes_on_paths): Ditto.
8383 (longest_simple_path): Ditto.
8384 * flow.c (update_life_info): Ditto.
8385 (count_or_remove_death_notes): Ditto.
8386 (clear_log_links): Ditto.
8387 * modulo-sched.c (generate_reg_moves): Ditto.
8388 (find_max_asap): Ditto.
8389 (find_max_hv_min_mob): Ditto.
8390 (find_max_dv_min_mob): Ditto.
8391 * sbitmap.c (sbitmap_first_set_bit): Ditto.
8392 * sched-rgn.c (extract_edgelst): Ditto.
8393 * tree-into-ssa.c (prepare_names_to_update): Ditto.
8394 (dump_update_ssa): Ditto.
8395 (ssa_names_to_replace) Ditto.
8396 (switch_virtuals_to_full_rewrite): Ditto.
8397 (update_ssa): Ditto.
8398 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
8400 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
8402 Fix PR tree-optimization/22483
8404 * tree-complex.c (create_components): Use
8405 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
8406 * tree-flow-inline.h (fill_referenced_var_vec): New function.
8407 * tree-flow.h (safe_referenced_var_iterator): New structure.
8408 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
8409 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
8410 safe_referenced_var iterator.
8411 (add_type_alias): Ditto.
8413 2005-07-19 Steven Bosscher <stevenb@suse.de>
8415 * loop-init.c (rest_of_handle_loop2): Remove.
8416 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
8417 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
8418 (pass_rtl_loop_init, pass_rtl_loop_done,
8419 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
8420 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
8421 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
8422 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
8423 pass_tree_loop_done, and pass_tree_unswitch.
8424 (gate_loop): Rename to gate_tree_loop.
8425 * passes.c (init_optimization_passes): Update for renamed tree
8426 loop passes. Add the new loop2 passes as subpasses of loop2.
8427 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
8428 Update for the renamed tree loop passes.
8430 2005-07-18 Ian Lance Taylor <ian@airs.com>
8433 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
8434 blocks when optimizing.
8436 2005-07-18 Steve Ellcey <sje@cup.hp.com>
8438 * common.opt (frename-registers): Initialize to 2.
8440 (fgcse-after-reload): Ditto.
8441 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
8442 (process_options): Only change flag_web, flag_rename_registers,
8443 and flag_rerun_cse_after_loop if not explicitly set by user.
8445 2005-07-18 Jan Beulich <jbeulich@novell.com>
8447 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
8448 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
8449 in 64-bit mode the same as DImode in 32-bit mode.
8450 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
8451 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
8452 mode. Add new mode parameter.
8453 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
8454 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
8455 x86_64_shift_adj): New expanders.
8456 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
8457 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
8459 Respective new splitters. Use renamed shift splitter helpers in 32-bit
8460 DImode shift splitters.
8461 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
8462 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
8465 2005-07-18 Jan Beulich <jbeulich@novell.com>
8467 * i386.md (movdi_extzv_1): New.
8468 (zero_extendhidi2): Combine alternatives and never force use of
8470 (zero_extendqidi2): Likewise. Don't restrict input selection.
8472 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8474 Fix PR tree-optimization/22531
8475 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
8478 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8480 * tree-promote-statics.c (pass_promote_statics): Change dump file
8483 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8485 * tree-optimize.c (init_tree_optimization_passes): Add
8486 pass_eliminate_useless_stores pass.
8487 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
8488 * tree-ssa-pre.c (is_copy_stmt): New function.
8489 (follow_copies_till_vuse): Ditto.
8490 (do_eustores): Ditto.
8491 (gate_eustores): Ditto.
8493 2005-07-16 Richard Henderson <rth@redhat.com>
8495 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
8497 2005-07-16 Danny Berlin <dberlin@dberlin.org>
8498 Kenneth Zadeck <zadeck@naturalbridge.com>
8500 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
8501 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
8502 ipa-type-escape.h, tree-promote-statics.c
8503 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
8504 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
8505 tree-promote-statics.c: new files.
8506 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
8507 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
8508 int nonlocal_set_p, mark_constant_function): Deleted.
8509 (rest_of_handle_cfg): Removed call to mark_constant_function.
8510 (nonoverlapping_component_refs_p): Added calls to support
8511 type based aliasing.
8512 * tree-ssa-alias.c (may_alias_p,
8513 compute_flow_insensitive_aliasing): Ditto.
8514 * calls.c (flags_from_decl_or_type): Removed reference to
8516 * c-typeck.c (convert_arguments): Make builtins tolerant of having
8517 too many arguments. This is necessary for Spec 2000.
8518 * cgraph.h (const_function, pure_function): Removed.
8519 * common.opt: Added "fipa-pure-const", "fipa-reference",
8520 "fipa-type-escape", and "ftree-promote-static".
8522 * passes.c: Added ipa and tree-promote-statics passes.
8523 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
8524 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
8525 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
8526 * tree-flow.h: Added exposed sra calls and addition of
8527 reference_vars_info field for FUNCTION_DECLS.
8528 * tree-pass.h: Added passes.
8529 * tree-sra.c: (sra_init_cache): New function.
8530 (sra_insert_before, sra_insert_after) Made public.
8531 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
8533 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
8534 aliasing. (may_alias_p): Added code to use type escape analysis to
8536 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
8537 code to prune clobbers of static variables based on information
8538 produced in ipa-reference pass. Changed call clobbering so that
8539 statics are not marked as clobbered if the call does not clobber
8542 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
8544 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
8547 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8549 * doc/install.texi (*-*-solaris2*): Document recommended version
8550 of GNU binutils and mention GNU linker problem on Solaris 10.
8552 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
8555 * c-decl.c (c_build_bitfield_integer_type): New function.
8556 (finish_struct): Call it.
8557 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
8559 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8561 * c-typeck.c (digest_init): Call 'convert_for_assignment'
8564 2005-07-16 Jan Hubicka <jh@suse.cz>
8566 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
8567 (scale_bbs_frequencies_int): Watch roundoff errors.
8568 * predict.c (return_prediction): Initialize return_stmt.
8570 2005-07-16 Jan Hubicka <jh@suse.cz>
8572 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
8573 after RTL profiling.
8575 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
8578 * fold-const.c (build_range_check): Convert high/low to etype
8579 if we are only comparing against exp.
8581 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
8583 Fix PR tree-optimization/22376
8584 * tree-ssa-structalias.c (build_constraint_graph): We really meant
8586 (need_to_solve): New function.
8587 (compute_points_to_sets): Use it.
8589 2005-07-15 Jan Hubicka <jh@suse.cz>
8591 * cfg.c (update_bb_profile_for_threading): More diagnostic.
8592 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
8594 2005-07-15 Richard Guenther <rguenther@suse.de>
8596 * c-common.c (handle_flatten_attribute): New function.
8597 Add flatten function attribute.
8598 * doc/extend.texi: Document flatten function attribute.
8599 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
8600 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
8602 (cgraph_decide_inlining): Handle functions with flatten
8605 2005-07-14 David Edelsohn <edelsohn@gnu.org>
8607 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
8608 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
8609 UNSPEC_XCHG, UNSPEC_AND): New.
8610 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
8611 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
8612 * config/rs6000/sync.md (FETCHOP): New code macro.
8613 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
8615 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
8616 (sync_compare_and_swap<mode>): Same.
8617 (sync_lock_test_and_set<mode>): Same.
8618 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
8619 for QImode and HImode, and not PPC405.
8620 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
8621 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
8622 (sync_<fetchop>{si,di}_internal): New.
8623 (sync_nand{si,di}_internal): New.
8624 (sync_old_<fetchop>{si,di}_internal): New.
8625 (sync_old_nand{si,di}_internal): New
8626 (sync_new_<fetchop>{si,di}_internal): New.
8627 (sync_new_nand{si,di}_internal): New.
8628 (atomic_and{si,di}): New.
8629 (sync_new_nand{si,di}_internal): New.
8630 (atomic_and{si,di}): New.
8631 (sync_add<mode>_internal): Delete.
8632 (sync_addshort_internal): Use unspec instead of unspec_volatile.
8633 (sync_sub<mode>_internal): Delte.
8634 (sync_subshort_internal): New.
8635 (sync_andsi_internal): Use unspec instead of unspec_volatile.
8636 (sync_anddi_internal): Delete.
8637 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
8638 (sync_booldi_internal): Delete.
8639 (sync_boolc<mode>_internal): Delete.
8640 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
8641 (sync_boolc<mode>_internal2): Delete.
8642 (sync_boolcc<mode>_internal): Delete.
8643 (isync, lwsync): Use unspec instead of unspec_volatile.
8644 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
8645 Revert UNSPEC_VOLATILE.
8646 (rs6000_split_atomic_op): New.
8647 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
8649 2005-07-14 Eric Christopher <echristo@redhat.com>
8651 * config/mips/mips.c (mips_canonicalize_comparison): Cast
8652 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
8654 2005-07-14 Eric Christopher <echristo@redhat.com>
8656 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
8658 2005-07-14 Steven Bosscher <stevenb@suse.de>
8660 PR tree-optimization/22230
8661 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
8662 the computation of the four cross productions for "range op range".
8664 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
8665 Ulrich Weigand <uweigand@de.ibm.com>
8668 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
8671 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8673 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
8675 2005-07-14 Steve Ellcey <sje@cup.hp.com>
8677 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
8679 2005-07-14 Richard Guenther <rguenther@suse.de>
8682 * config/i386/i386-protos.h (ix86_function_value): Change
8683 prototype to match new target hook.
8684 * config/i386/i386.c (ix86_value_regno): Change prototype
8685 to take extra type argument.
8686 (TARGET_FUNCTION_VALUE): Define.
8687 (ix86_function_ok_for_sibcall): Pass extra argument to
8688 ix86_value_regno, check return slot rtx for exact match.
8689 (ix86_function_value): Take extra parameter. Dispatch to
8690 ix86_value_regno with fndecl/fntype as provided.
8691 (ix86_value_regno): Handle extra type argument.
8692 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
8694 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
8695 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
8696 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
8697 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
8698 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
8700 2005-07-14 Richard Guenther <rguenther@suse.de>
8702 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
8703 * calls.c (expand_call): Pass fntype to hard_function_value.
8704 (emit_library_call_value_1): Likewise.
8705 * explow.c: Include target.h.
8706 (hard_function_value): Take extra argument, the fntype.
8707 Use new target hook for function_value.
8708 * expr.h (hard_function_value): Change prototype.
8709 * function.c (aggregate_value_p): Pass 0 as fntype to
8710 hard_function_value.
8711 (assign_parms): Use new target hook for function_value.
8712 Pass 0 as fntype to hard_function_value.
8713 (expand_function_end): Likewise.
8714 * reg-stack.c: Include target.h.
8715 (stack_result): Use new target hook for function_value.
8716 * target-def.h: New target hook function_value.
8717 * target.h: Likewise.
8718 * targhooks.c (default_function_value): New function.
8719 * targhooks.h (default_function_value): Declare.
8721 2005-07-13 Ian Lance Taylor <ian@airs.com>
8723 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
8725 2005-07-14 Jan Hubicka <jh@suse.cz>
8727 * tree-dfa.c (dump_variable): Use default_def function.
8728 * tree-ssa-alias.c (dump_points_to_info): Likewise.
8729 * tree-ssa.c (verify_use): Likewise.
8730 * tree-ssanames.c (release_ssa_name): Likewise.
8731 * tree-tailcall.c (eliminate_tail_call): Likewise.
8732 (tree_optimize_tail_calls_1): Likewise.
8733 * tree-vrp.c (get_value_range): Likewise.
8735 2005-07-14 Ben Elliston <bje@au.ibm.com>
8737 * gcc.c (main): Compare language[0] with '*' when iterating over
8740 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8742 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
8743 "s390_emit_compare". Add handling of CCZ1mode.
8744 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
8745 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
8747 (s390_branch_condition_mask): Add CCZ1mode handling.
8748 * config/s390/s390.md: ("seq", "*seq"): New pattern.
8749 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
8750 Use CCZ1mode instead of CCZmode.
8751 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
8753 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8755 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
8757 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
8759 2005-07-13 Eric Christopher <echristo@redhat.com>
8761 * config/mips/mips.c (mips_canonicalize_comparison): New.
8762 (mips_emit_int_relational): Use.
8764 2005-07-13 Eric Christopher <echristo@redhat.com>
8766 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8768 * config/s390/s390.md: Include tpf.md. Move tpf specific
8770 * config/s390/tpf.md: To here.
8771 * config/s390/s390.opt: Move tpf specific options...
8772 * config/s390/tpf.opt: to here. Add mmain option.
8773 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8774 * config/s390/tpf.h: Rewrite.
8776 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8778 * doc/tm.texi: Remove @xref{Cross-profiling}.
8780 2005-07-13 Jeff Law <law@redhat.com>
8782 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
8783 expressions, test their _DECL operands for pointer equality rather
8784 than using operand_equal_p.
8786 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8788 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
8789 (TARGET_POSIX_IO): This.
8790 * config/darwin.h: Likewise.
8791 * config/freebsd.h: Likewise.
8792 * config/linux.h: Likewise.
8793 * config/lynx.h: Likewise.
8794 * config/netbsd.h: Likewise.
8795 * config/rs6000/linux64.h: Likewise.
8796 * config/rs6000/linux.h: Likewise.
8797 * config/s390/tpf.h: Likewise.
8798 * config/sh/embed-elf.h: Likewise.
8799 * config/sparc/linux64.h: Likewise.
8800 * config/sparc/linux.h: Likewise.
8801 * config/svr4.h: Likewise.
8802 * gcov-io.h: Likewise.
8804 * doc/tm.texi: Updated.
8806 * libgcov.c (create_file_directory): Defined only if
8807 TARGET_POSIX_IO is defined.
8808 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
8811 2005-07-13 Jan Hubicka <jh@suse.cz>
8813 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
8815 2005-07-13 David Edelsohn <edelsohn@gnu.org>
8817 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
8818 structure as argument.
8820 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
8822 PR tree-optimization/21921
8823 * tree-iterator.c (tsi_link_before): Support the case when
8824 tsi_end_p (tsi) == true.
8826 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8828 PR tree-optimization/22442
8829 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
8832 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8834 PR rtl-optimization/20376
8835 * toplev.c (process_options): Enable -fweb and -frename-registers when
8837 * doc/invoke.texi: Update the information about when -fweb and
8838 -frename-registers are enabled.
8840 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8843 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
8844 if *rhs_p is not a SSA_NAME.
8846 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
8848 Fix PR tree-optimization/22422
8849 * tree-ssa-structalias.c (struct variable_info): Add flag for
8851 (get_varinfo): Now a static function.
8852 (new_varinfo): init has_union and is_special_var to false.
8853 (solution_set_add): Check has_union.
8854 (do_da_constraint): Move temporary variable so it gets reset
8856 Also check for special variable.
8857 (do_ds_constraint): Ditto.
8858 (do_sd_constraint): Ditto.
8859 (do_structure_copy): Check for special variable.
8860 (find_func_aliases): Ditto.
8861 (init_base_vars): Set special vars properly.
8863 2005-07-13 Jan Hubicka <jh@suse.cz>
8865 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
8868 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
8869 (get_expr_operands): Fix thinko wrt flags and subvars.
8871 PR tree-optimize/22379
8872 * tree-inline.c (expand_call_inline): Do not output sorry in early
8875 2005-07-12 Dale Johannesen <dalej@apple.com>
8877 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
8879 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8882 * host-linux.h: Include limits.h.
8884 2005-07-12 Dale Johannesen <dalej@apple.com>
8886 * expr.c (compress_float_constant): Add cost check.
8887 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
8889 2005-07-12 Dale Johannesen <dalej@apple.com>
8891 * gcc.target/i386/compress-float-sse.c: New.
8892 * gcc.target/i386/compress-float-sse-pic.c: New.
8893 * gcc.target/i386/compress-float-387.c: New.
8894 * gcc.target/i386/compress-float-387-pic.c: New.
8895 * gcc.dg/compress-float-ppc.c: New.
8896 * gcc.dg/compress-float-ppc-pic.c: New.
8898 2005-07-12 Eric Christopher <echristo@redhat.com>
8900 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8902 * config/s390/s390.md: Include tpf.md. Move tpf specific
8904 * config/s390/tpf.md: To here.
8905 * config/s390/s390.opt: Move tpf specific options...
8906 * config/s390/tpf.opt: to here. Add mmain option.
8907 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8908 * config/s390/tpf.h: Rewrite.
8910 2005-07-12 Eric Christopher <echristo@redhat.com>
8912 * gcc.c (struct infile): Update comment for language.
8913 (main): Rewrite input file resetting code.
8915 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8918 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
8919 requiring a cast in a non RHS of modify_expr. Add a cast when required.
8920 (lookup_avail_expr): Use constant_boolean_node instead
8921 of boolean_false_node/boolean_true_node.
8923 2005-07-12 Ben Elliston <bje@au.ibm.com>
8925 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
8926 and use it when printing num_edges.
8928 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
8930 * doc/extend.texi (Blackfin Built-in Functions): New section.
8931 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
8934 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
8936 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
8937 s/cmpstrsi/cmpstrnsi
8938 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
8940 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
8941 (init_optabs): Initialize cmpstrn_optab.
8942 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
8943 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
8944 * expr.c: (enum insn_code cmpstrn_optab): Declare.
8945 * config/i386/i386.md: s/cmpstr/cmpstrn
8946 * config/c4x/c4x.md: s/cmpstr/cmpstrn
8947 * doc/md.texi: Update documentation.
8949 2005-07-11 Richard Henderson <rth@redhat.com>
8951 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
8952 build_va_arg_indirect_ref.
8953 (alpha_gimplify_va_arg): Likewise.
8954 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
8955 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8956 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
8957 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
8958 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8959 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
8961 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8963 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8965 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
8966 * passes.c (init_optimization_passes): Add pass_empty_loop.
8967 * tree-pass.h (pass_empty_loop): Declare.
8968 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
8969 try_remove_empty_loop, remove_empty_loops): New functions.
8970 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
8971 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
8973 2005-07-12 Peter Barada <peter@the-baradas.com>
8977 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
8978 in address registers.
8979 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
8980 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
8981 alternative of addsi3_5200.
8983 2005-07-11 Ian Lance Taylor <ian@airs.com>
8985 * config/mips/mips.md (ffs<mode>2): Remove.
8987 2005-07-11 Ian Lance Taylor <ian@airs.com>
8989 * doc/tree-ssa.texi (Cleanups): Improve description of
8991 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
8993 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8995 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
8996 * tree.h (DECL_ARGUMENT_FLD): New macro.
8998 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
9000 Fix PR tree-optimization/22404
9002 * tree-ssa-structalias.c (create_variable_info_for): Use
9005 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
9007 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
9008 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
9009 for second comparison operand.
9010 * config/bfin/predicates.md (reg_or_const_int_operand): New.
9012 * config/bfin/bfin.md (define_attr "type"): Add "sync".
9013 (define_insn_reservation "alu"): Likewise.
9014 (csync, ssync): Now of type sync.
9015 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
9016 -mcsync-anomaly -mspecld-anomaly.
9017 * config/bfin/bfin.opt (mcsync): Remove.
9018 (mcsync-anomaly, mspecld-anomaly): Add.
9019 * config/bfin/bfin.c: Include "insn-codes.h".
9020 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
9021 (TARGET_DEFAULT_TARGET_FLAGS): New.
9022 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
9024 2005-07-11 Steven Bosscher <stevenb@suse.de>
9026 * basic-block.h: Give the BB flags enum a name, bb_flags.
9027 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
9028 * cfgcleanup.c (enum bb_flags): Remove here.
9029 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
9030 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
9031 (update_forwarder_flag): Likewise.
9032 (thread_jump): Likewise.
9033 (try_forward_edges): Likewise.
9034 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
9035 forwarder flags. Don't clear bb->aux for all basic blocks. Only
9036 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
9038 2005-07-11 Richard Guenther <rguenther@suse.de>
9040 * config/i386/i386.opt: New target option -msseregparm.
9041 * config/i386/i386.c (override_options): Error out for
9042 -msseregparm but no SSE support.
9043 (ix86_function_sseregparm): Check for global sseregparm.
9044 * doc/invoke.texi: Document -msseregparm.
9046 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9048 * config.gcc (m32r-*-linux*): Use the default extra_parts.
9049 (m32rle-*-linux*): Ditto.
9051 2005-07-11 Jakub Jelinek <jakub@redhat.com>
9053 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
9054 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
9057 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9061 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
9062 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
9064 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
9066 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
9067 (varmap): Heapify varmap.
9068 (constraints): Heapify constraints.
9069 (struct constraint_graph): Heapify succs and preds.
9070 (constraint_vec_find): Update for heapification.
9071 (constraint_set_union): Ditto.
9072 (insert_into_complex): Ditto.
9073 (constraint_edge_vec_find): Ditto.
9074 (erase_graph_self_edge): Ditto.
9075 (add_graph_edge): Ditto.
9076 (get_graph_weights): Ditto.
9077 (merge_graph_nodes): Ditto.
9078 (build_constraint_graph): Ditto.
9079 (topo_visit): Ditto.
9080 (solve_graph): Ditto.
9081 (create_variable_info_for): Ditto.
9082 (init_base_vars): Ditto.
9083 (delete_points_to_sets): Free graph, varmap, and complex constraints.
9084 (condese_varmap_nodes): Free complex vector.
9085 (clear_edges_for_node): Clear succs and preds vector.
9087 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
9089 * tree-ssa-structalias.c (update_alias_info): Change counting of
9090 references to not include vdefs.
9092 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
9094 * tree-ssa-alias.c (free_used_part_map): Add missing free.
9097 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9099 * pa.c (pa_commutative_p): Make PLUS commutative when
9100 TARGET_NO_SPACE_REGS is true.
9102 2005-07-09 Diego Novillo <dnovillo@redhat.com>
9104 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
9105 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
9106 * tree-dfa.c (dump_subvars_for): New.
9107 (debug_subvars_for): New.
9108 (dump_variable): Show subvariables if VAR has them.
9109 * tree-flow-inline.h (get_subvar_at): New.
9110 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
9111 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
9113 (struct subvar): Change fields offset and size to unsigned
9115 (dump_subvars_for): Declare.
9116 (debug_subvars_for): Declare.
9117 (get_subvar_at): Declare.
9118 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
9119 to unsigned HOST_WIDE_INT *.
9120 (overlap_subvar): Likewise.
9121 * tree-gimple.c (is_gimple_reg): Always return false for
9122 SFTs and memory tags.
9123 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
9125 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
9126 (compute_may_aliases): Call compute_points_to_sets.
9127 (collect_points_to_info_for): Remove.
9128 (compute_points_to_and_addr_escape): Remove.
9129 (delete_alias_info): Call delete_points_to_sets.
9130 (compute_flow_sensitive_aliasing): If the call to
9131 find_what_p_points_to returns false, call set_pt_anything.
9132 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
9133 (set_pt_anything): Clear pi->pt_vars.
9134 (set_pt_malloc): Remove.
9135 (merge_pointed_to_info): Remove.
9136 (add_pointed_to_expr): Remove.
9137 (add_pointed_to_var): Remove.
9138 (collect_points_to_info_r): Remove.
9139 (is_escape_site): Make extern.
9141 (create_overlap_variables_for): Call it.
9142 * tree-ssa-copy.c (merge_alias_info): Never merge
9143 flow-sensitive alias information.
9144 * tree-ssa-operands.c (get_expr_operands): Adjust variables
9145 offset and size to be unsigned HOST_WIDE_INT.
9146 (add_to_addressable_set): Rename from note_addressable.
9147 Set TREE_ADDRESSABLE as the variables are added to the set.
9149 (add_stmt_operand): Do not try to micro-optimize unmodifiable
9150 operands into VUSEs when adding V_MAY_DEFs for members in an
9152 * tree-ssa-operands.h (add_to_addressable_set): Declare.
9153 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
9154 (struct variable_info): Add bitfield is_heap_var.
9155 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
9156 (new_var_info): Initialize is_heap_var.
9157 (get_constraint_for): Add HEAP variables to the symbol table.
9158 Mark them with is_heap_var.
9159 (update_alias_info): New. Taken mostly from the old
9160 compute_points_to_and_addr_escape.
9161 (handle_ptr_arith): New.
9162 (find_func_aliases): Call update_alias_info.
9163 Call handle_ptr_info for tcc_binary expressions.
9164 Call mark_stmt_modified.
9165 (create_variable_info_for): If DECL has subvars, do not create
9166 variables for its subvars. Always add all the fields.
9167 (set_uids_in_ptset): If the solution includes ANYOFFSET and
9168 SFTs, then add all the SFTs of the structure.
9169 If VI->DECL is an aggregate with subvariables, add the SFT at
9171 (find_what_p_points_to): If VI is an artificial variable,
9172 translate to bitfields in SSA_NAME_PTR_INFO.
9173 If the solution is empty, set pi->pt_vars to NULL
9174 (init_base_vars): Create ANYOFFSET.
9175 (compute_points_to_sets): Rename from create_alias_vars.
9177 (pass_build_pta): Remove.
9178 (delete_points_to_sets): Rename from delete_alias_vars.
9179 (pass_del_pta): Remove.
9180 * tree-ssa-structalias.h (struct alias_info): Move from
9182 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
9183 NUM_REFERENCES_SET): Likewise.
9184 (compute_points_to_sets, delete_points_to_sets): Declare.
9186 2005-07-09 Richard Henderson <rth@redhat.com>
9188 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
9189 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
9190 alpha_split_lock_test_and_set_12): New functions.
9191 * config/alpha/alpha-protos.h: Update.
9192 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
9193 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
9194 * config/alpha/sync.md (I12MODE): New.
9195 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
9196 (sync_<fetchop_name><I48MODE>): Likewise.
9197 (sync_nand<I48MODE>): Likewise.
9198 (sync_old_<fetchop_name><I48MODE>): Likewise.
9199 (sync_new_<fetchop_name><I48MODE>): Likewise.
9200 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
9201 (sync_compare_and_swap<I48MODE>): Likewise.
9202 (sync_lock_test_and_set<I48MODE>): Likewise.
9203 (sync_compare_and_swap<I12MODE>): New.
9204 (sync_compare_and_swap<I12MODE>_1): New.
9205 (sync_lock_test_and_set<I12MODE>): New.
9206 (sync_lock_test_and_set<I12MODE>_1): New.
9208 2005-07-09 Diego Novillo <dnovillo@redhat.com>
9212 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
9214 2005-07-09 Jakub Jelinek <jakub@redhat.com>
9216 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
9217 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
9219 2005-07-09 Richard SAndiford <richard@codesourcery.com>
9222 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
9224 2005-07-08 David Edelsohn <edelsohn@gnu.org>
9226 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
9227 memory_operand constraint.
9228 (store_conditional_<mode>): Same.
9229 (sync_compare_and_swap<mode>): Same.
9230 (sync_lock_test_and_set<mode>): Same.
9232 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
9234 Rewrite PIC support to more closely model actual instructions.
9235 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
9236 (cris_symbol): Remove prototypes for removed functions.
9237 (cris_pic_symbol_type_of, cris_valid_pic_const)
9238 (cris_expand_pic_call_address): Prototypes for new functions.
9239 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
9241 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
9243 <case ':'>: Add case for new punctuation character.
9244 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
9245 emitting (extra) PIC modifier.
9246 <case UNSPEC>: Do not assert for PLT.
9247 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
9248 (cris_expand_prologue, cris_expand_epilogue): Check
9249 for pic_offset_table_rtx usage instead of taking
9250 current_function_uses_pic_offset_table as the final word.
9251 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
9252 Remove flag_pic difference.
9253 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
9254 the moral equivalents of...
9255 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
9257 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
9258 (cris_handle_option): Mark ARG as unused.
9259 (cris_expand_pic_call_address): New worker function for "call",
9261 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
9262 output PIC constructs here.
9263 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
9264 as symbol-specific modifers, not whole or part of operands.
9265 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
9266 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
9267 constants and flag_pic.
9268 (CONSTANT_INDEX_P): Adjust for new functions.
9269 (enum cris_pic_symbol_type): New helper type.
9270 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
9271 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
9272 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
9274 ("movsi"): Emit actual instructions for GOT and relative access.
9275 ("*movsi_got_load"): New pattern to set up the register holding
9277 ("*movsi_internal"): Operand 1 is not a plain general_operand.
9278 Adjust FIXME for 'S'.
9279 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
9280 Use "movs" for -fpic cases.
9281 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
9282 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
9283 ("call", "call_value"): Just call cris_expand_pic_call_address for
9285 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
9286 Remove special pattern.
9287 ("*expanded_call_side", "*expanded_call_value_side"): New
9289 (gotplt-to-plt, gotplt-to-plt-side-call)
9290 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
9292 * config/cris/cris/predicates.md
9293 ("cris_general_operand_or_gotless_symbol"): Remove unused
9295 ("cris_general_operand_or_symbol"): Adjust for new functions.
9297 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9299 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
9301 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
9303 * Makefile.in (TREE_H): Add treestruct.def.
9304 (c-decl.o): Add pointer-set.h
9305 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
9306 visibility on regular DECL's.
9307 (merge_decls): Fix the copying of decl nodes of various types for
9308 the new structures. Don't update RTL, section name, weak status,
9309 etc, on DECL's without RTL.
9310 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
9311 Don't check volatile on non-variable types.
9312 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
9313 to check whether we have seen arguments.
9314 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
9315 flag is checked before field (flag is common, field is not).
9316 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
9317 TS_DECL_COMMON could have an origin.
9318 (add_location_or_const_value_attribute): Don't check section name
9319 on non-var/function decls.
9320 (dwarf2out_var_location): Reverse order of tests.
9321 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
9322 with DECL_WRTL_CHECK.
9323 * expmed.c (make_tree): rtl is now in decl_with_rtl.
9324 * fold-const.c (fold_binary): Don't check weakness on
9325 non-var/function decls.
9326 (tree_expr_nonzero_p): Ditto.
9327 (fold_checksum_tree): Use tree_decl_extra as sizeof
9329 * ggc-page.c (extra_order_size_table): Add sizes for
9330 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
9332 * gimplify.c (gimplify_bind_expr): Only set
9333 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
9334 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
9336 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
9337 * langhooks.h (init_ts). New langhook.
9338 * passes.c (rest_of_decl_compilation): Reverse order of tests.
9339 * print-tree.c (print_node): Update to only print fields that
9340 exist in the structures the passed decl has.
9341 * toplev.c (wrapup_global_declarations): Don't reset
9342 DECL_DEFER_OUTPUT on DECL's that don't contain it.
9343 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
9344 * tree-inline.c (remap_decl): Ditto.
9345 * tree-outof-ssa.c (create_temp): Reverse order of tests.
9346 * tree-pretty-print.c (print_declaration): Don't print
9347 DECL_REGISTER on things that don't contain it.
9348 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
9349 non-var/function decls.
9350 * tree.c (tree_contains_struct): New structure.
9351 (init_priority_for_decl): New hashtable.
9352 (tree_int_map): New structure.
9353 (tree_int_map_eq): New function.
9354 (tree_int_map_marked_p): Ditto.
9355 (tree_int_map_hash): Ditto.
9356 (tree_map): Move to tree.h.
9357 (tree_map_eq): Externalize.
9358 (tree_map_hash): Ditto.
9359 (tree_map_marked_p): Ditto.
9360 (init_ttree): Set up tree_contains_struct and call langhook.
9361 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
9362 (tree_code_size): Update for new structures.
9363 (tree_node_structure): Update for new structures.
9364 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
9366 (copy_node_stat): Copy init priority.
9367 (build_decl_stat): Ditto for visibility.
9368 (ts_enum_names): New.
9369 (tree_contains_struct_check_failed): New function.
9370 (decl_init_priority_lookup): Ditto.
9371 (decl_init_priority_insert): Ditto.
9372 * treestruct.def: New file.
9373 * tree.h (CODE_CONTAINS_STRUCT): New macro.
9374 (CONTAINS_STRUCT_CHECK): Ditto.
9375 (tree_contains_struct_check_failed): New prototype.
9376 (DECL_CHECK): Removed.
9377 (DECL_MINIMAL_CHECK): New.
9378 (DECL_COMMON_CHECK): Ditto.
9379 (DECL_WRTL_CHECK): Ditto.
9380 (DECL_NON_COMMON_CHECK): Ditto.
9381 (DECL_WITH_VIS_CHECK): Ditto.
9382 (VAR_OR_FUNCTION_DECL_P): Ditto
9383 (struct tree_decl_minimal): New structure.
9384 (struct tree_decl_common): Ditto.
9385 (struct tree_decl_with_rtl): Ditto.
9386 (struct tree_decl_with_vis): Ditto.
9387 (struct tree_decl_non_common): Ditto.
9388 (struct tree_field_decl): Ditto.
9389 (struct tree_parm_decl): Ditto.
9390 (struct tree_var_decl): Ditto.
9391 (struct tree_function_decl): Ditto.
9392 (struct tree_const_decl): Ditto.
9393 (struct tree_result_decl): Ditto.
9394 (union tree_node): Add new structures.
9395 * var-tracking.c (track_expr_p): Reverse order of tests.
9397 * doc/c-tree.texi: Add documentation on DECL node internal structure.
9399 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
9401 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
9402 * system.h: Poison FINALIZE_PIC.
9403 * doc/tm.texi (FINALIZE_PIC): Remove.
9405 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9408 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
9409 to the correct type if we have a MODIFY_EXPR.
9411 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
9413 PR tree-optimization/22360
9414 * tree.c (upper_bound_in_type): Fix calculations for casting
9415 to a non-wider signed type and casting a signed value to a
9416 wider unsigned type.
9417 (lower_bound_in_type): Fix calculations for casting to a
9418 non-wider signed type.
9420 PR tree-optimization/20139
9421 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
9423 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
9424 fold_cond_expr_cond.
9425 * tree-ssanames.c (release_defs): Assert in_ssa_p.
9426 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
9428 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9431 * tree-complex.c (expand_complex_libcall): Produce
9432 REALPART_EXPR/IMAGPART_EXPR with the correct type.
9434 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
9436 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
9437 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
9438 b" assert and inserted fastpath code for this case.
9439 (bitmap_ior): Removed "a != b" assert.
9441 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9443 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
9444 (ENDFILE_SPEC): Likewise.
9445 * config/m32r/m32r.h (ASM_SPEC): Likewise.
9447 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
9448 a large stack frame at epilogue.
9450 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
9452 * final.c: Include sdbout.h when required.
9454 2005-07-07 Geoffrey Keating <geoffk@apple.com>
9456 * config.gcc (*-*-darwin*): Only one target-specific header file
9458 (powerpc-*-darwin*): Add version-specific header files.
9459 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
9460 * config.in: Regenerate.
9461 * configure: Regenerate.
9462 * gcc.c: Include xregex.h.
9463 (version_compare_spec_function): New.
9464 (spec_function): Add version-compare.
9465 (replace_outfile_spec_function): Reformat comment.
9466 (compare_version_strings): New.
9467 * config/darwin-c.c (version_as_macro): New.
9468 (builtin_define): New.
9469 (darwin_cpp_builtins): New.
9470 * config/darwin-protos.h (darwin_cpp_builtins): New.
9471 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
9472 (LIB_SPEC): Make unconditional, update comment.
9473 (TARGET_C99_FUNCTIONS): Define.
9474 * config/darwin.opt: Sort.
9475 (mmacosx-version-min=): New.
9476 * config/darwin7.h: Delete.
9477 * config/darwin8.h: Delete.
9478 * config/i386/darwin.h (): Call darwin_cpp_builtins.
9479 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
9480 (TARGET_C99_FUNCTIONS): Define.
9481 * config/rs6000/darwin7.h: New.
9482 * config/rs6000/darwin8.h: New.
9483 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
9484 (-mmacosx-version-min): Document.
9486 2005-07-07 Ian Lance Taylor <ian@airs.com>
9488 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
9490 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
9493 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
9495 2005-07-07 Khem Raj <kraj@mvista.com>
9497 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
9498 in bytes, not words.
9500 2005-07-07 Paul Brook <paul@codesourcery.com>
9502 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
9503 DEFAULT_FUNCTION_ARG_PADDING to upward.
9505 2005-07-07 Richard Henderson <rth@redhat.com>
9507 * function.c (locate_and_pad_parm): Record parameter alignment in
9508 stack_alignment_needed.
9510 2005-07-07 David Edelsohn <edelsohn@gnu.org>
9512 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
9513 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
9514 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
9515 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
9516 (define_attr "type"): Add isync, sync, load_l, store_c.
9517 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
9518 Create scratch volatile MEM.
9519 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
9521 (load_locked_<mode>): New.
9522 (store_conditional_<mode>): New.
9523 (sync_compare_and_swap<mode>): Replace with splitter.
9524 (sync_lock_test_and_set<mode>): Replace with splitter.
9525 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
9527 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
9528 is ics. Attribute isync.
9529 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
9531 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
9532 and UNSPECV_SYNC_OP.
9533 (emit_unlikely_jump): New.
9534 (emit_load_locked): New.
9535 (emit_store_conditional): New.
9536 (rs6000_split_compare_and_swap): New.
9537 (rs6000_split_lock_test_and_set): New.
9538 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
9539 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
9540 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
9541 rs6000_split_lock_test_and_set): Declare.
9542 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
9543 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
9544 store_c, isync, sync.
9546 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
9548 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
9549 filenames to gtyp-gen.h.
9550 (s-typ-gen): Use it in place of for loops.
9552 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
9554 * hooks.c (hook_bool_rtx_int_false): New function.
9555 * hooks.h (hook_bool_rtx_int_false): Declare.
9556 * target-def.h (TARGET_COMMUTATIVE_P): Define.
9557 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
9558 * target.h (struct gcc_target): Add commutative_p member.
9559 * targhooks.c (hook_bool_rtx_commutative_p): New function.
9560 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
9561 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
9562 (pa_commutative_p): New function.
9563 * jump.c (target.h): Include.
9564 (rtx_renumbered_equal_p): Use targetm.commutative_p.
9565 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
9567 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9569 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
9570 (s390_expand_setmem): New.
9571 * config/s390/s390.c: Likewise.
9572 (print_shift_count_operand): Truncate to 12 bits instead of 6.
9574 * config/s390/s390.md: ("setmem<mode>"): Accept character as
9575 general_operand. Call new function "s390_expand_setmem".
9576 ("clrmem_long", "*clrmem_long"): Rewrite to ...
9577 ("setmem_long", "*setmem_long"): ... this.
9579 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9581 * config/s390/s390.c: (optimization_options): Enable
9582 TARGET_MVCLE at -Os.
9583 * doc/invoke.texi: Document changes in default behaviour.
9584 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
9586 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9588 * expr.c: (set_storage_via_setmem): Convert opchar to mode
9589 defined by back-end.
9591 2005-07-07 Jakub Jelinek <jakub@redhat.com>
9593 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
9594 all sets in the pattern.
9595 * config/rs6000/rs6000.md (stack_protect_testsi,
9596 stack_protect_testdi): Likewise.
9598 2005-07-06 Jeff Law <law@redhat.com>
9600 * tree-vrp.c (simplify_using_ranges): Kill.
9601 (vrp_finalize): Remove call to simplify_using_ranges.
9602 (simplify_stmt_using_ranges): New function extracted from
9603 simplify_using_ranges.
9604 (simplify_div_or_mod_using_ranges): Likewise.
9605 (simplify_abs_using_ranges): Likewise.
9606 (simplify_cond_using_ranges): New function.
9607 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
9608 * tree-ssa-propagate.c (substitute_and_fold): Call
9609 simplify_stmt_using_ranges if we have range information.
9611 2005-07-06 James E. Wilson <wilson@specifixinc.com>
9613 * config/ia64/ia64.c (ia64_reorg): Check optimize before
9614 ia64_flag_schedule_isns2.
9616 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
9617 reading/writing general registers.
9618 (ia64_function_arg): Revert 2005-06-18 change.
9620 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
9622 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
9623 (legitimize_tls_address): Use gcc_unreachable instead of abort.
9625 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
9627 * function.c (expand_function_end): Revert part of 2005-06-27
9628 patch. Do sjlj_emit_function_exit_after after return_label.
9630 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9632 * doc/install.texi (--disable-libssp): New.
9634 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
9636 * doc/invoke.texi: Update -fforce-mem documentation.
9637 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
9638 code for -fforce-mem.
9639 * expmed.c: (store_bit_field,store_fixed_bit_field,
9640 extract_bit_field): Ditto.
9641 * expr.c: (convert_move): Ditto.
9642 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
9643 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
9644 emit_conditional_add,expand_float,expand_fix): Ditto.
9645 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
9646 (common_handle_option): Issue warning when -fforce-mem specified.
9648 2005-07-06 Paul Brook <paul@codesourcery.com>
9650 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
9652 * configure: Regenerate.
9654 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
9656 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
9658 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
9660 Fix PR tree-optimization/22319
9661 Fix PR tree-optimization/22140
9662 Fix PR tree-optimization/22310
9664 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
9665 variable sized types.
9666 Use correct type for intermediate structure on *a = *b structure
9669 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9671 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
9673 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
9674 (machine_function): Move typedef to...
9675 * config/rs6000/rs6000.c (machine_function): ... here. Add
9676 varargs_save_offset field.
9677 (rs6000_stack_t): Remove varargs_size field.
9678 (setup_incoming_varargs): Allocate varargs save area using
9679 assign_stack_local, try to make it as small as possible.
9680 Save offset from virtual_stack_vars_rtx to the save area
9681 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
9682 instead of magic 8 when fp word byte size is used.
9683 (rs6000_va_start): Use cfun->machine->varargs_save_offset
9684 instead of -RS6000_VARARGS_SIZE.
9685 (rs6000_stack_info, debug_stack_info,
9686 rs6000_initial_elimination_offset): Remove all traces of
9688 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
9689 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
9690 RS6000_VARARGS_AREA.
9692 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9694 PR tree-optimization/21963
9695 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
9696 constant_multiple_of in the same way get_computation_cost_at does.
9698 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9700 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
9701 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
9702 (gen_compare_reg): If sparc_compare_emitted is set, clear it
9703 and return its previous value.
9704 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
9705 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
9707 (stack_protect_set, stack_protect_test): New expanders.
9708 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
9709 stack_protect_testdi): New insns.
9710 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9711 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
9713 2005-07-06 Jeff Law <law@redhat.com>
9715 * tree-ssa-dce.c (cfg_altered): New global.
9716 (tree_dce_init): Initialize cfg_altered.
9717 (remove_dead_stmt): If we remove an edge in the CFG, then set
9719 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
9722 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9724 * Makefile.in (stamp-collect-ld): Use
9725 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
9726 ./collect-ld if it already exists.
9727 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
9728 Don't remove ./nm if it already exists.
9730 2005-07-05 Devang Patel <dpatel@apple.com>
9732 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
9733 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
9734 * tree-vectorizer.c (vect_loop_location): New.
9735 (vect_print_dump_info): Use vect_loop_location.
9736 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
9737 (vectorize_loops): Set vect_loop_location.
9738 * tree-vect-analyze.c (vect_analyze_offset_expr,
9739 vect_determin_vectorization_factor, vect_analyze_operations,
9740 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
9741 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
9742 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
9743 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
9744 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
9745 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
9746 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
9747 vect_analyze_loop): Adjust vect_print_dump_info API.
9748 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9749 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
9750 vect_finish_stmt_generation, vectorizable_assignment,
9751 vectorizable_operation, vectorizable_store, vectorizable_load,
9752 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
9753 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
9754 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
9755 vect_transform_loop): Same.
9756 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
9757 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
9760 2005-07-05 Randolph Chung <tausq@debian.org>
9762 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
9763 * configure: Regenerate.
9764 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
9765 (pa_tls_referenced_p): Declare.
9766 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
9767 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
9768 (legitimize_tls_address): New.
9769 (hppa_legitimize_address): Handle TLS addresses.
9770 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
9771 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
9772 (emit_move_sequence): Handle TLS addresses.
9773 (pa_encode_section_info): Call default handler to handle common
9775 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
9776 (CONSTANT_ADDRESS_P): Reject TLS operands.
9777 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
9778 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
9779 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
9780 (UNSPEC_TLSLE): Define new constants.
9781 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
9782 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
9783 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
9784 (tie_symbolic_operand, tle_symbolic_operand): New
9786 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
9788 * aclocal.m4: Update macros for autoconf 2.59 style.
9789 * configure.ac: Likewise.
9791 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9793 * pa.c (function_value): Handle small aggregates on 32-bit targets.
9794 (function_arg): Pass small aggregates in general registers on 32-bit
9796 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
9798 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
9800 * Makefile.in (final.o): Fix dependencies.
9802 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9806 * langhooks.h (struct lang_hooks): Add expr_to_decl.
9807 * langhooks.c (lhd_expr_to_decl): New.
9808 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
9810 (LANG_HOOKS_INITIALIZER): Update.
9811 * tree.c (recompute_tree_invarant_for_addr_expr): Call
9812 expr_to_decl langhook.
9813 * c-tree.h (c_expr_to_decl): Declare.
9814 * c-typeck.c (c_expr_to_decl): New.
9815 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
9817 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
9819 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9822 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
9823 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
9825 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
9827 * Makefile.in: Adjust dependencies.
9828 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
9829 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
9830 * alias.c (rest_of_handle_cfg, pass_cfg): New.
9831 * bb-reorder.c (duplicate_computed_gotos): Make it static.
9832 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
9833 rest_of_compilation.
9835 * bb-reorder.c (gate_duplicate_computed_gotos,
9836 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
9837 rest_of_handle_reorder_blocks, pass_reorder_blocks,
9838 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
9839 pass_partition_blocks): New.
9840 * bt-load.c (gate_handle_branch_target_load_optimize,
9841 rest_of_handle_branch_target_load_optimize,
9842 pass_branch_target_load_optimize): New.
9843 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
9845 * cfglayout.c (pass_insn_locators_initialize): New.
9846 * cfgrtl.c (pass_free_cfg): New.
9847 * combine.c (gate_handle_combine, rest_of_handle_combine,
9849 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
9850 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
9851 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
9852 * except.c (pass_set_nothrow_function_flags,
9853 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
9855 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
9856 rest_of_handle_shorten_branches, pass_shorten_branches,
9857 rest_of_clean_state, pass_clean_state): New.
9858 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
9859 rest_of_handle_remove_death_notes, pass_remove_death_notes,
9860 rest_of_handle_life, pass_life, rest_of_handle_flow2,
9862 * function.c (pass_instantiate_virtual_regs, pass_init_function,
9863 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
9864 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
9865 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
9867 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
9868 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
9869 pass_rtl_ifcvt, gate_handle_if_after_combine,
9870 rest_of_handle_if_after_combine, pass_if_after_combine,
9871 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
9872 pass_if_after_reload): New.
9873 * integrate.c (pass_initial_value_sets): New.
9874 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
9875 pass_purge_lineno_notes): New.
9876 * mode-switching.c (rest_of_handle_mode_switching,
9877 pass_mode_switching): New.
9878 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
9879 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
9881 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
9882 pass_loop_optimize): New.
9883 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
9885 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
9887 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
9888 pass_postreload_cse): New.
9889 * profile.c (gate_handle_profiling, pass_profiling,
9890 rest_of_handle_branch_prob, pass_branch_prob): New.
9891 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
9892 pass_split_before_regstack, gate_handle_split_before_regstack,
9893 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
9894 rest_of_handle_split_all_insns, pass_split_all_insns): New.
9895 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
9896 pass_stack_regs): New.
9897 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
9898 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
9899 pass_stack_adjustments): New.
9900 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
9901 pass_regrename): New.
9902 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
9903 pass_delay_slots, gate_handle_machine_reorg,
9904 rest_of_handle_machine_reorg, pass_machine_reorg): New.
9905 * rtl.h (extern void purge_line_number_notes): New.
9906 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
9907 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
9909 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
9911 * value-prof.c (gate_handle_value_profile_transformations,
9912 rest_of_handle_value_profile_transformations,
9913 pass_value_profile_transformations): New.
9914 * var-tracking.c (gate_handle_var_tracking,
9915 pass_variable_tracking): New.
9916 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
9918 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
9919 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
9920 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
9921 rest_of_handle_old_regalloc, rest_of_handle_regrename,
9922 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
9923 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
9924 rest_of_handle_gcse2, rest_of_handle_regmove,
9925 rest_of_handle_tracer, rest_of_handle_if_conversion,
9926 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
9927 rest_of_handle_web, rest_of_handle_branch_prob,
9928 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
9929 rest_of_handle_jump_bypass, rest_of_handle_combine,
9930 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9931 rest_of_handle_gcse, rest_of_handle_loop_optimize,
9932 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
9933 rest_of_handle_mode_switching, rest_of_handle_jump,
9934 rest_of_handle_eh, rest_of_handle_stack_adjustments,
9935 rest_of_handle_flow2, rest_of_handle_jump2,
9936 rest_of_handle_peephole2, rest_of_handle_postreload,
9937 rest_of_handle_shorten_branches, rest_of_clean_state,
9938 rest_of_compilation): Remove.
9940 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
9941 * passes.c (dump_flags, in_gimple_form, all_passes,
9942 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9943 register_dump_files, next_pass_1, last_verified, execute_todo,
9944 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
9945 from tree-optimize.c.
9946 (init_optimization_passes): Moved from tree-optimize.c,
9947 adding the RTL optimizations.
9948 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
9949 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
9950 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9951 register_dump_files, next_pass_1, last_verified, execute_todo,
9952 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
9953 init_tree_optimization_passes, ipa_passes): Delete.
9954 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
9956 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
9957 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
9959 (ipa_passes): Remove.
9960 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
9961 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
9962 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
9963 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
9964 (dump_info_p, dump_flag): Moved to tree-dump.h.
9966 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
9968 * passes.c (finish_optimization_passes): Use dump_begin
9969 and dump_end, TDI_end.
9970 (gate_rest_of_compilation): New.
9971 (pass_rest_of_compilation): Use it.
9972 (gate_postreload, pass_postreload): New.
9973 * toplev.c (general_init): Rename init_tree_optimization_passes.
9974 * toplev.h (init_tree_optimization_passes): Rename to
9975 init_optimizations_passes.
9976 * tree-dump.c (dump_flag): Make static.
9977 (dump_files): Remove RTL dumps.
9978 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
9979 pass_cleanup_cfg, pass_free_cfg_annotations,
9980 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
9981 pass_init_datastructures, pass_fixup_cfg): Make non-static.
9982 * tree-pretty-print.c: Include tree-pass.h.
9983 * cgraph.c: Include tree-dump.h.
9985 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9987 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
9988 Only fall back to saying it points to readonly memory if
9991 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9993 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
9994 * config/m32r/m32r.c (m32r_compute_frame_size,
9995 m32r_expand_prologue): Take current_function_profile into
9996 account whenever we reference
9997 current_function_uses_pic_offset_table.
9998 (m32r_finalize_pic): Remove.
9999 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
10001 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
10003 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
10004 instead of $<. Don't remove ./as if it already exists.
10006 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10009 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
10010 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
10011 for complex modes when generating code for PA 1.0.
10012 (VALID_FP_MODE_P): New macro.
10013 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
10014 sets for all general and floating point modes. Align wide floating
10015 point modes to even register boundaries to comply with architectural
10017 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
10018 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
10019 (VALID_FP_MODE_P): New macro.
10020 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
10021 sets for all general and floating point modes. Align wide floating
10022 point modes to even register boundaries to comply with architectural
10025 2005-07-04 Diego Novillo <dnovillo@redhat.com>
10027 * tree-dump.c (dump_files): Initialize dump number for .cgraph
10030 2005-07-04 Diego Novillo <dnovillo@redhat.com>
10032 * tree-ssa-structalias.c: Don't include expr.h.
10034 2005-07-04 Diego Novillo <dnovillo@redhat.com>
10036 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
10039 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
10041 Fix PR tree-optimization/22279
10043 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
10046 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
10048 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
10050 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
10052 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
10053 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
10054 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
10055 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
10056 config/stormy16/stormy16.c, config/v850/v850.c,
10057 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
10058 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
10059 Avoid "." or "\n" at end of diagnostics and capital letters at
10060 start of diagnostics.
10061 * combine.c, cse.c: Don't translate dump file output.
10062 * toplev.c (print_version): Only translate output if going to
10065 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
10067 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
10068 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
10071 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10073 * pa.c (fix_range): Fix typo in comment.
10075 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
10077 * tree-vrp.c (extract_range_from_assert): Replace
10078 fold (build (...)) with fold_build2.
10080 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10082 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
10083 gcc_gfc_char_table, init_dynamic_gfc_info): New.
10084 (format_types_orig, handle_format_attribute): Add support for
10087 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
10089 * varasm.c (assemble_variable): Fix format specifier thinko.
10091 2005-07-03 Ira Rosen <irar@il.ibm.com>
10093 PR tree-optimization/22029 (and 22135)
10094 * tree-pretty-print.c (dump_generic_node): Check that the node is not
10095 a phi node before calling dump_vops.
10097 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
10099 * tree-dump.h (dump_string_field): Declare.
10100 * tree-dump.c: Use it instead of dump_string.
10101 (dump_string_field): Make non-static.
10103 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
10105 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
10106 up the minimal CFG stuff always when optimize > 0. Call
10107 split_all_insns_noflow in PIC case if needed.
10109 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
10110 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
10113 * c-decl.c (c_write_global_declarations): Dump contents of
10115 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
10116 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
10117 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
10118 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
10121 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
10123 * c-common.h (GCC_DIAG_STYLE): Define.
10124 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
10125 version for format checking to 4.1.
10126 * c-format.c: Include toplev.h after c-common.h.
10127 (enum format_type): Add gcc_tdiag_format_type.
10128 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
10129 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
10130 (format_types_orig): Add gcc_tdiag.
10131 (init_dynamic_diag_info): Support gcc_tdiag formats.
10132 (handle_format_attribute): Likewise.
10133 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
10134 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
10135 version for format checking to 4.1.
10136 (warning0, warning, error, pedwarn, sorry): Use
10137 ATTRIBUTE_GCC_DIAG.
10138 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
10139 (finish_aliases_1): Do not use %qE.
10140 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
10141 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
10142 Correct format bugs.
10143 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
10144 parameter to unsigned HOST_WIDE_INT.
10145 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
10147 2005-07-02 David Edelsohn <edelsohn@gnu.org>
10149 PR middle-end/21742
10150 * expr.c (write_complex_part): Use adjust_address for MEM.
10151 (read_complex_part): Same.
10153 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
10155 Fix PR tree-optimization/22280
10157 * tree-sra.c (generate_element_init): Remove useless loop.
10159 2005-07-02 Richard Henderson <rth@redhat.com>
10161 * config/alpha/alpha.c (alpha_legitimize_address): Check for
10163 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
10165 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
10167 PR middle-end/14490
10168 * fold-const.c (fold_binary): Handle the return value of
10169 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
10170 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
10172 2005-07-02 Jeff Law <law@redhat.com>
10174 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
10175 a eliminate type conversion which feeds an equality comparison
10176 if the original type or either operand in the comparison is a
10179 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
10181 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
10182 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
10184 * config/avr/avr.c: Do not use '`' as left quote.
10185 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
10186 Remove "." from end of diagnostics. Make diagnostics start with
10189 2005-07-02 Zack Weinberg <zack@codesourcery.com>
10190 Joseph S. Myers <joseph@codesourcery.com>
10192 * toplev.c (default_tree_printer): Handle setting location with
10194 * c-objc.common.c (c_tree_printer): Likewise.
10195 * c-format.c (gcc_diag_flag_specs): Add '+'.
10196 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
10197 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
10199 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
10200 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
10201 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
10202 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
10203 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
10204 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
10205 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
10206 format arguments where %J is used without %D.
10208 2005-07-02 Jakub Jelinek <jakub@redhat.com>
10210 * gcc.c (LINK_SSP_SPEC): Define.
10211 (link_ssp_spec): New variable.
10212 (LINK_COMMAND_SPEC): Add %(link_ssp).
10213 (static_specs): Add link_ssp_spec.
10214 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
10215 * configure: Rebuilt.
10216 * config.in: Rebuilt.
10218 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10219 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10220 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10221 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10222 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
10223 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
10224 -0x7008(2) instead of reading __stack_chk_guard variable.
10225 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
10227 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
10228 (stack_protect_set, stack_protect_test): Use *_tls* patterns
10229 if TARGET_THREAD_SSP_OFFSET is defined.
10230 (stack_tls_protect_set_si, stack_tls_protect_set_di,
10231 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
10234 2005-06-27 Richard Henderson <rth@redhat.com>
10235 * libgcc-std.ver (GCC_4.1.0): New.
10236 * libgcc.h (__stack_chk_guard): Declare.
10237 (__stack_chk_fail, __stack_chk_fail_local): Declare.
10238 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
10239 * mklibgcc.in (lib2funcs): Add them.
10241 2005-07-01 Richard Henderson <rth@redhat.com>
10243 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
10244 void * before struct sigcontext *.
10245 (x86_fallback_frame_state): Likewise.
10247 2005-07-01 James E. Wilson <wilson@specifixinc.com>
10249 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
10251 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
10254 * tree-ssa-reassoc.c (should_transpose): Fix which operand
10255 we check for SSA_NAME for.
10257 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
10259 Fix PR tree-optimization/22071
10261 * tree-ssa-structalias.c (offset_overlaps_with_access): New
10263 (get_constraint_for_component_ref): Use it.
10265 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
10268 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
10269 print out the last new line.
10271 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
10273 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
10274 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
10275 * config/cris/cris.c (cris_conditional_register_usage): Adjust
10276 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
10277 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
10278 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
10279 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
10280 (enum reg_class): New member CC0_REGS.
10281 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
10282 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
10283 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
10284 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
10285 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
10286 Adjust for register now described.
10288 2005-07-01 Jakub Jelinek <jakub@redhat.com>
10291 * config/i386/i386.md (stack_protect_test_si,
10292 stack_protect_test_di): Add earlyclobber for scratch 3.
10293 * config/rs6000/rs6000.md (stack_protect_testsi,
10294 stack_protect_testdi): Add earlyclobber for scratch 3,
10295 remove earlyclobber from scratch 4.
10297 Older entries for 2005 can be found in ChangeLog-2005.