gcc/ChangeLog

   1 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
   2             Kaz Kojima  <kkojima@gcc.gnu.org>
   3
   4         PR target/16482
   5         * lcm.c (create_pre_exit): New.
   6         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
   7         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
   8
   9 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
  10
  11         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
  12         -msoft-float in target_float_switch.
  13         * arm.c (arm_override_options): Fix processing of target_float_switch.
  14
  15 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
  16
  17         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
  18         preferencing.
  19
  20 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
  21
  22         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
  23         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
  24
  25 2005-01-04  Roger Sayle  <roger@eyesopen.com>
  26
  27         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
  28         if deleting the then-block allows the test-block to fallthru to the
  29         else-block.
  30
  31 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
  32
  33         PR c/19152
  34         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
  35         after the full declaration if the are in two different TUs.
  36
  37 2005-01-04  Richard Henderson  <rth@redhat.com>
  38
  39         PR tree-opt/19158
  40         * tree-sra.c (generate_one_element_init): Just
  41         call gimplify_and_add.
  42         (generate_element_init): Record the
  43         new referenced variables and mark them for renaming
  44         and split out to ...
  45         (generate_element_init_1): This.
  46         (scalarize_init): Don't call push_gimplify_context/
  47         pop_gimplify_context.
  48
  49 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
  50
  51         * toplev.c (get_src_pwd): Handle failure of getpwd().
  52
  53 2005-01-04  Roger Sayle  <roger@eyesopen.com>
  54
  55         * fold-const.c (fold_single_bit_test): Delete unreachable handling
  56         of TRUTH_NOT_EXPR.
  57         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
  58         all the cases handled by it are inverted by invert_truthvalue.
  59
  60 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
  61
  62         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
  63         (save_register_windowsi): Likewise.
  64
  65 2005-01-04  Richard Henderson  <rth@redhat.com>
  66
  67         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
  68
  69 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
  70
  71         PR middle-end/17767
  72         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
  73         any simplifications of vector mode comparison operators.
  74         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
  75
  76 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
  77             Devang Patel  <dpatel@apple.com>
  78
  79         PR tree-optimization/18308
  80         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
  81         the operands before creating a new expression.
  82         * dojump.c (do_jump): Make drop_through_label available
  83         for all cases.  Add expansion of COND_EXPR.
  84
  85 2005-01-04  Ira Rosen  <irar@il.ibm.com>
  86
  87         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
  88         INTEGER_CST instead of TREE_CONSTANT.
  89         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
  90         instead of TREE_CONSTANT.
  91         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
  92         instead of TREE_CONSTANT.
  93
  94 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
  95
  96         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
  97
  98 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
  99
 100         PR target/19240
 101         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
 102         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
 103
 104 2005-01-03  Richard Henderson  <rth@redhat.com>
 105
 106         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
 107         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
 108         fold_convert_const_real_from_real): Split out from ...
 109         (fold_convert_const): ... here.
 110
 111 2005-01-03  Richard Henderson  <rth@redhat.com>
 112
 113         PR target/19235
 114         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
 115         (mov<MMXMODEI>_internal): Likewise.
 116         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
 117         Add V2SF case; use it for SSE1; don't use TI.
 118         (movdf_integer): Likewise.
 119         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
 120
 121 2005-01-03  Ira Rosen  <irar@il.ibm.com>
 122
 123         * tree-vectorizer.c (vect_strip_conversions): New function.
 124         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
 125         check for binary class.
 126
 127 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
 128
 129         Fix PR debug/17924
 130         Fix PR debug/19191
 131         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
 132         is a decl.
 133         * gimple-low.c (mark_blocks_with_used_vars): New function.
 134         (mark_blocks_with_used_subblocks): Ditto.
 135         (mark_used_blocks): Ditto.
 136         (pass_mark_used_blocks): New pass.
 137         * tree-inline.c: Include debug.h.
 138         (expand_call_inline): Call outlining_inline_function here.
 139         * tree-optimize.c (init_tree_optimization_passes): Add
 140         pass_mark_used_blocks.
 141         * tree-pass.h (pass_mark_used_blocks): New.
 142         * Makefile.in (tree-inline.o): Add debug.h dependency.
 143
 144 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
 145
 146         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
 147         VAR_DECLs to have weak_import attribute.
 148
 149         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
 150         'struct ucontext'.
 151
 152 2004-01-03  Steven Bosscher  <stevenb@suse.de>
 153
 154         * passes.c (rest_of_compilation): Don't run regmove if only
 155         flag_expensive_optimizations, require flag_regmove instead.
 156
 157 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
 158
 159         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
 160         register "sparc".
 161         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
 162         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
 163         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
 164         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
 165
 166 2005-01-03  Richard Henderson  <rth@redhat.com>
 167
 168         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
 169         (ia64_const_ok_for_letter_p): New.
 170         (ia64_const_double_ok_for_letter_p): New.
 171         (ia64_extra_constraint): New.
 172         (ia64_expand_vecint_compare): New.
 173         (ia64_expand_vcondu_v2si): New.
 174         (ia64_expand_vecint_cmov): New.
 175         (ia64_expand_vecint_minmax): New.
 176         (ia64_print_operand): Add 'v'.
 177         (ia64_preferred_reload_class): New.
 178         (ia64_vector_mode_supported_p): New.
 179         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
 180         (PREFERRED_RELOAD_CLASS): Move to function.
 181         (CONST_OK_FOR_LETTER_P): Move to function.
 182         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
 183         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
 184         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
 185         (EXTRA_CONSTRAINT): Move to function.
 186         * config/ia64/ia64.md: Include vect.md.
 187         (itanium_class): Add mmalua.
 188         (type): Handle it.
 189         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
 190         (1b_mmalua): New.
 191         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
 192         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
 193         CONST0_RTX.
 194         (const_int_2bit_operand): New.
 195         (fr_reg_or_0_operand): New.
 196         * config/ia64/ia64-modes.def: Add vector modes.
 197         * config/ia64/ia64-protos.h: Update.
 198         * config/ia64/vect.md: New file.
 199
 200 2005-01-03  Richard Henderson  <rth@redhat.com>
 201
 202         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
 203
 204 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
 205
 206         PR target/19236
 207         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
 208         to SFmode.
 209         (log1pdf2): Change mode of operands[0,1] to DFmode.
 210
 211 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
 212
 213         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
 214         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
 215         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
 216         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
 217         SPARC_RELAXED_ORDERING.
 218
 219 2005-01-03  Richard Henderson  <rth@redhat.com>
 220             Uros Bizjak  <uros@kss-loka.si>
 221
 222         PR target/14631
 223         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
 224         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
 225         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
 226         handling.
 227         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
 228         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
 229         const_pow2_1_to_128_operand): New predicates.
 230
 231 2005-01-02  Greg McGary  <greg@mcgary.org>
 232
 233         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
 234         anonymous decls.
 235         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
 236         object.  [ptr_type]: Remove unused variable.
 237         Remember nearest addressable array-element or record-component
 238         when checking bitfield components.  Tolerate empty BIND_EXPR.
 239
 240 2005-01-01  Richard Henderson  <rth@redhat.com>
 241
 242         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
 243         that don't narrow the value.  Fail for other conversions.
 244
 245 2005-01-01  Richard Henderson  <rth@redhat.com>
 246
 247         PR c/19031
 248         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
 249         * c-lang.c (finish_file): Don't do it here.
 250         * objc/objc-act.c (objc_finish_file): Likewise.
 251
 252         * cgraph.c (decl_assembler_name_equal): New.
 253         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
 254         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
 255         * cgraph.h (struct cgraph_varpool_node): Add next.
 256         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
 257         * varasm.c (assemble_alias): Mark the target as needed.
 258
 259 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
 260
 261         PR middle-end/19221
 262         * function.c (get_arg_pointer_save_area): Use entry_of_function
 263         instead of get_insns.
 264
 265 2005-01-01  Roger Sayle  <roger@eyesopen.com>
 266             Andrew Pinski  <pinskia@physics.uc.edu>
 267             James E. Wilson  <wilson@specifixinc.com>
 268
 269         PR rtl-optimization/12092
 270         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
 271         is zero.
 272
 273 2005-01-01  Roger Sayle  <roger@eyesopen.com>
 274             Olivier Hainque  <hainque@act-europe.fr>
 275
 276         * tree.c (int_fits_type_p): A narrower type always fits in a
 277         wider one, except for negative values into unsigned types.
 278
 279 2005-01-01  Roger Sayle  <roger@eyesopen.com>
 280
 281         * tree.c (int_fits_type_p): Compare the result of force_fit_type
 282         with the original constant rather than require TREE_OVERFLOW.
 283
 284 2005-01-01  Steven Bosscher  <stevenb@suse.de>
 285
 286         PR middle-end/17544
 287         * c-decl.c (finish_function): If compiling C99, annotate the
 288         compiler generated return with the current file name and line 0.
 289         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
 290         the source line is greater than 0.
 291         (remove_bb): Likewise.
 292
 293 See ChangeLog.12 for earlier changes.