* real.h (struct real_format): Split the signbit field into two
two fields, signbit_ro and signbit_rw.
* real.c (ieee_single_format, mips_single_format, ieee_double_format,
mips_double_format, ieee_extended_motorola_format,
ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
ieee_extended_intel_128_format, ibm_extended_format,
mips_extended_format, ieee_quad_format, mips_quad_format,
vax_f_format, vax_d_format, vax_g_format, i370_single_format,
i370_double_format, c4x_single_format, c4x_extended_format,
real_internal_format): Update initializers for new field.
* builtins.c (expand_builtin_signbit): Use signbit_ro field of the
real_format structure.
* optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
field of the real_format structure.
From-SVN: r96471
2005-03-15 Feng Wang <fengwang@nudt.edu.cn>
* trans-stmt.c (gfc_trans_label_assign): Don't set DECL_ARTIFICIAL flag
to zero on label_tree.
From-SVN: r96468
fortran/
2005-03-15 Feng Wang <fengwang@nudt.edu.cn>
PR fortran/18827
* io.c (resolve_tag): Add checking on assigned label.
(match_dt_format): Does not set symbol assign attribute.
* match.c (gfc_match_goto):Does not set symbol assign attribute.
* resolve.c (resolve_code): Add checking on assigned label.
* trans-common.c (build_field): Deals with common variable assigned
a label.
* trans-stmt.c (gfc_conv_label_variable): New function.
(gfc_trans_label_assign): Use it.
(gfc_trans_goto): Ditto.
* trans-io.c (set_string): Ditto.
* trans.h (gfc_conv_label_variable): Add prototype.
testsuite/
2005-03-15 Feng Wang <fengwang@nudt.edu.cn>
PR fortran/18827
* gfortran.dg/assign_2.f90: New test.
* gfortran.dg/assign_3.f90: New test.
* gfortran.dg/assign.f90: New test.
From-SVN: r96467
2005-03-14 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/20458
* tree-flow-inline.h (mark_call_clobbered): Don't fiddle
DECL_EXTERNAL on STRUCT_FIELD tags.
(clear_call_clobbered): Ditto.
* tree-ssa-operands.c (note_addressable): Make sure the original
variable doesn't slip into the addressable list if we have
subvars.
* tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
tags too.
From-SVN: r96462
* config.gcc (extra_options): New variable for listing option files.
Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
* configure.ac (extra_opt_files): New AC_SUBST variable.
(tm_file_list, tm_include_list): Include options.h first.
* configure: Regenerate.
* Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
(s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
(s-options-h): New rule.
(options.h): Depend on it.
(TEXI_GCCINT_FILES): Add options.texi.
* hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
* hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
* target.h (gcc_target): Add default_target_flags and handle_option.
* target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
(TARGET_HANDLE_OPTION): New macros.
(TARGET_INITIALIZER): Include them.
* opt-functions.awk (opt_args, nth_arg): New functions.
(switch_flags): Handle the "Target" flag.
(var_args): Delete.
(var_name): Use opt_args and nth_arg.
(var_set, var_ref): Likewise. Handle "Mask" and "InverseMask".
* opth-gen.awk: Declare target_flags. Declare MASK_* and TARGET_*
macros for the "Mask" and "InverseMask" options.
* opts.h (cl_var_cond): New enum.
(cl_option): Replace the "has_set_value" and "set_value" fields with
"var_cond" and "var_value".
(CL_TARGET): New macro.
(option_enabled, print_filtered_help): Declare.
(decode_options): Move definition.
* opts.c (handle_option): Search for the original option before
removing any "no-" prefix. Handle CL_TARGET. Adjust for the new
var_cond and var_value fields. Use targetm.handle_option to handle
target options.
(decode_options): Set target_flags to targetm.default_target_flags.
(print_filtered_help): Make global. Handle CL_TARGET.
(option_enabled): New function.
* toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
(display_target_options, set_target_switch, print_switch_values)
(default_pch_valid_p): Guard uses of target_switches with
#ifdef TARGET_SWITCHES. Also...
(display_target_options): Display the CL_TARGET entries in cl_options.
(set_target_option): Don't complain about the "" option when
TARGET_SWITCHES is undefined.
(print_switch_values): Use option_enabled.
(default_pch_valid_p): Check cl_options[] when looking for something
that has changed the value of target_flags.
* c.opt: Remove documentation from top of file.
* doc/gccint.texi: Add an "Options" chapter. Include options.texi.
* doc/sourecebuild.texi: Refer to the new options documentation
instead of c.opt. Document machine-specific .opt files.
* doc/tm.texi (target_flags): Say that this variable is declared
by options.h.
(TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
(TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
an alternative.
* doc/options.texi: New file.
From-SVN: r96448
gcc/ChangeLog:
PR middle-end/18628
* cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
register.
gcc/testsuite/ChangeLog:
* gcc.dg/pr18628.c: New.
From-SVN: r96445
gcc/ChangeLog:
PR c++/20280
* gimplify.c (gimplify_cond_expr): Add fallback argument. Use a
temporary variable of pointer type if an lvalues is required.
(gimplify_modify_expr_rhs): Request an rvalue from it.
(gimplify_expr): Pass fallback on.
gcc/testsuite/ChangeLog:
PR c++/20280
* g++.dg/tree-ssa/pr20280.C: New.
From-SVN: r96444
PR rtl-optimization/17236
* optabs.c (expand_doubleword_mult): New helper function split out
from expand_binop. Permute the order in which instructions are
emitted to minimize the number of simultaneously live registers.
(expand_binop): Call expand_doubleword_mult to synthesize a double
word multiplication.
From-SVN: r96441
* basic-block.h: Update the prototypes of cached_make_edge and
rtl_make_eh_edge.
* cfg.c (cached_make_edge): Take edge_cache representing one
row of the adjacency matrix of edges.
* cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
(make_edges): Initialize edge_cache to represent one row of
the adjacency matrix of edges.
From-SVN: r96440
* tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
New functions.
(tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
Remove unused removed_phis variable.
(conditional_replacement): Use build1/build2.
(abs_replacement): Use last_and_only_stmt and build1/build2.
* gcc.dg/tree-ssa/phi-opt-5.c: New test.
From-SVN: r96439
* tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
integer_zerop.
* tree-gimple.c (is_gimple_min_invariant): Consider overflowed
constants invariant.
* fortran/trans-intrinsic.c (gfc_conv_intrinsic_ishft): Convert
the argument of the shift to the unsigned type.
From-SVN: r96435
* regclass.c (reg_class_superclasses, reg_class_subclasses):
Make them static.
* hard-reg-set.h: Remove the corresponding declarations.
From-SVN: r96410
PR middle-end/19331
* tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
* fold-const.c (fold_sign_changed_comparison): Likewise.
(fold_binary): Optimize comparisons against widened operands if
the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
From-SVN: r96397
* config/sparc/sparc.c (struct_value_alias_set): New global variable.
(sparc_override_options): Initialize it.
(sparc_struct_value_rtx): Set it on the MEM to be returned.
From-SVN: r96395
fortran/
PR fortran/16907
* resolve.c (gfc_resolve_index): Allow REAL indices as an extension.
testsuite/
PR fortran/16907
* gfortran.dg/real_index_1.f90: New test.
From-SVN: r96385
Geoffrey Keating
Eric Christopher
Roger Sayle
Feng Wang
Joseph Myers
Daniel Berlin
GCC Administrator
Devang Patel
Richard Sandiford
Alexandre Oliva
Tobias Schlüter
Kazu Hirata
Zdenek Dvorak
Uros Bizjak
Eric Botcazou
Daniel Jacobowitz
Kriang Lerdsuwanakij
Falk Hueffner
Alan Modra
Mark Mitchell
Mark Mitchell
Ben Elliston
Eric Botcazou
David Edelsohn
Daniel Jacobowitz