+2005-03-15 J"orn Rennecke <joern.rennecke@st.com>
+
+ PR rtl-optimization/20291
+ * combine.c (try_combine): If splitting fails, re-try with
+ original combined pattern, i.e. before clobber stripping.
+
+2005-03-14 Eric Christopher <echristo@redhat.com>
+
+ * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
+ STACK_GROWS_DOWNWARD.
+
+2005-03-14 Roger Sayle <roger@eyesopen.com>
+
+ * 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.
+
+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.
+
+2005-03-14 Geoffrey Keating <geoffk@apple.com>
+
+ * doc/cppopts.texi (-fexec-charset): Add concept index entry.
+ (-fwide-exec-charset): Likewise.
+ (-finput-charset): Likewise.
+ * doc/invoke.texi (Warning Options): Document -Wnormalized=.
+ * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
+ * c.opt (Wnormalized): New.
+
+2005-03-14 Devang Patel <dpatel@apple.com>
+
+ * doc/invoke.texi: Add reference to Visibility document.
+
+2005-03-14 Richard Sandiford <rsandifo@redhat.com>
+
+ * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
+ MASK_SPLIT_ADDRESSES.
+ * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
+ (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
+ (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
+ (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
+ (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
+ (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
+ (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
+ (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
+ (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
+ (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
+ (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
+ (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
+ (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
+ (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
+ (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
+ (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
+ (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
+ (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
+ (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
+ (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
+ (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
+ (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
+ (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
+ (TARGET_EXPLICIT_RELOCS): Delete.
+ (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
+ (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
+ * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
+ (override_options): Set MASK_LONG64 if -mint64 is given and no
+ -mlongXX option is. Complain about -mint64 -mlong32.
+ (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
+ MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
+ * config/mips/mips.opt: New file.
+
+2005-03-14 Richard Sandiford <rsandifo@redhat.com>
+
+ * 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.
+
+2005-03-14 Alexandre Oliva <aoliva@redhat.com>
+
+ PR middle-end/18628
+ * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
+ register.
+
+2005-03-14 Alexandre Oliva <aoliva@redhat.com>
+
+ 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.
+
2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
* cfgbuild.c: Update comments.