gcc/ChangeLog

   1 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
   2
   3         PR tree-optimization/67781
   4         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
   5         and cmpnop in two steps: first the ones not accessed in original
   6         gimple expression in a endian independent way and then the ones not
   7         accessed in the final result in an endian-specific way.
   8
   9 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
  10
  11         PR tree-optimization/69083
  12         * tree-vect-slp.c (vect_get_constant_vectors): For
  13         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
  14         element type.  If op is fold_convertible_p to vector_type's element
  15         type, use NOP_EXPR instead of VCE.
  16
  17 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
  18
  19         PR rtl-optimization/67778
  20         PR rtl-optimization/68634
  21         PR rtl-optimization/68909
  22         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
  23         block from the stack until done with it.  Remove a superfluous
  24         bitmap set.  Remove a superfluous bitmap test.
  25
  26 2016-01-07  Martin Sebor  <msebor@redhat.com>
  27
  28         PR c/68966
  29         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
  30         constraint on the type of arguments.
  31
  32 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
  33
  34         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
  35         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
  36         unaligned_access on the gcc_options set.
  37         * config/arm/arm.c (arm_option_override_internal): Use
  38         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
  39
  40 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
  41
  42         PR target/69140
  43         * config/i386/i386.c (ix86_frame_pointer_required): Enable
  44         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
  45
  46 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
  47
  48         Revert
  49         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
  50
  51         PR target/69140
  52         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
  53         depending on frame_pointer_needed before remaining integer and SSE
  54         registers are saved.
  55
  56 2016-01-07  Sandra Loosemore <sandra@codesourcery.com>
  57
  58         PR 1078
  59         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
  60
  61 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
  62
  63         PR target/69171
  64         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
  65         Use the "xBm" constraint.
  66         (float<sseintvecmodelower><mode>2<mask_name><round_name):
  67         Likewise.
  68         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
  69         (sse_cvtsi2ssq<round_name>): Likewise.
  70         (sse_cvtss2si<round_name>): Likewise.
  71         (sse_cvtss2siq<round_name>): Likewise.
  72         (sse2_cvtsi2sdq<round_name>): Likewise.
  73         (sse2_cvtsd2si<round_name>): Likewise.
  74         (sse2_cvtsd2siq<round_name>): Likewise.
  75         * config/i386/subst.md (round_nimm_scalar_predicate): New
  76         predicate.
  77
  78 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
  79
  80         PR middle-end/67639
  81         * varasm.c (make_decl_rtl): Mark invalid register vars as
  82         DECL_EXTERNAL.
  83
  84         PR rtl-optimization/66206
  85         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
  86         All callers changed.
  87
  88 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
  89
  90         PR tree-optimization/69141
  91         * tree-ssa-pre.c: Include langhooks.h.
  92         (eliminate_dom_walker::before_dom_children): Use
  93         lang_hooks.decl_printable_name instead of
  94         cgraph_node::get ()->name ().
  95
  96         PR middle-end/68960
  97         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
  98         it and DECL_ALIGN too.
  99
 100 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
 101
 102         * config/mips/mips-ftypes.def: Sort to lexicographical order.
 103
 104 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
 105
 106         PR target/69140
 107         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
 108         depending on frame_pointer_needed before remaining integer and SSE
 109         registers are saved.
 110
 111 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 112
 113         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
 114         mode iterator with VSX_M2.
 115         (*p9_vecstore_<mode>): Likewise.
 116         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
 117         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
 118         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
 119         (define_split for VSX_LE128 stores): Likewise.
 120         (define_peephole2 for TImode LE swaps): Likewise.
 121         (define_split for VSX_LE128 post-reload stores): Likewise.
 122
 123 2016-01-06  Marek Polacek  <polacek@redhat.com>
 124
 125         PR sanitizer/69099
 126         * convert.c (convert_to_integer_1): Adjust call to
 127         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
 128         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
 129         EXPR instead of ARG.
 130         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
 131
 132 2016-01-05  Sandra Loosemore <sandra@codesourcery.com>
 133
 134         PR 1078
 135         * doc/extend.texi (RL78 Variable Attributes): New section.
 136
 137 2016-01-05  Marek Polacek  <polacek@redhat.com>
 138
 139         PR c/69104
 140         * builtins.c (get_memmodel): Use expansion point location rather than
 141         the input location.  Call warning_at rather than warning.
 142         (expand_builtin_atomic_compare_exchange): Likewise.
 143         (expand_builtin_atomic_load): Likewise.
 144         (expand_builtin_atomic_store): Likewise.
 145         (expand_builtin_atomic_clear): Likewise.
 146
 147 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
 148
 149         PR target/68991
 150         * config/i386/i386.c (ix86_expand_vector_logical_operator):
 151         Replace nonimmediate_operand with vector_operand.
 152         * config/i386/predicates.md (vector_operand): New predicate.
 153         (general_vector_operand): Replace nonimmediate_operand with
 154         vector_operand.
 155         * config/i386/sse.md: Replace nonimmediate_operand with
 156         vector_operand and m constraint with Bm constraint on SSE
 157         patterns with 16-byte memory operand.
 158         * config/i386/subst.md (round_nimm_predicate): Replace
 159         nonimmediate_operand with vector_operand.
 160         (round_saeonly_nimm_predicate): Likewise.
 161         (round_saeonly_nimm_scalar_predicate): New.
 162
 163 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
 164
 165         PR target/68991
 166         * config/i386/constraints.md (Bm): New constraint.
 167         * config/i386/predicates.md (vector_memory_operand): New
 168         predicate.
 169         * config/i386/sse.md: Replace xm with xBm in plusminus and
 170         any_logic patterns.
 171
 172 2016-01-05  Sandra Loosemore <sandra@codesourcery.com>
 173
 174         PR 1078
 175         * doc/extend.texi (V850 Function Attributes): New section.
 176         (V850 Variable Attributes): New section.
 177
 178 2016-01-05  Sandra Loosemore <sandra@codesourcery.com>
 179
 180         PR 1078
 181         * doc/extend.texi (MicroBlaze Function Attributes): Document
 182         interrupt_handler and fast_interrupt attributes.
 183
 184 2016-01-05  Sergei Trofimovich <siarheit@google.com>
 185
 186         PR other/60465
 187         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
 188         for local symbolic operands.
 189         * config/ia64/predicates.md (local_symbolic_operand64): New
 190         predicate.
 191
 192 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 193
 194         PR rtl-optimization/68651
 195         * combine.c (combine_simplify_rtx): Canonicalize x + x into
 196         x << 1.
 197
 198 2016-01-05  Nathan Sidwell  <nathan@acm.org>
 199
 200         * alias.c (compare_base_decls): Use symtab_node::get.
 201
 202 2016-01-05  Nick Clifton  <nickc@redhat.com>
 203
 204         PR target/68770
 205         * ira-costs.c (copy_cost): Initialise the t_icode field of the
 206         secondary_reload_info structure.
 207
 208         PR target/66655
 209         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
 210         decls if weak support is available.
 211
 212 2016-01-04  Martin Sebor  <msebor@redhat.com>
 213
 214         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
 215
 216 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
 217
 218         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
 219         OPTION_MASK_P9_DFORM.
 220
 221         * config/rs6000/constraints.md (wo constraint): New constraint for
 222         ISA 3.0 (power9).
 223
 224         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
 225         for wo constraint.
 226         (rs6000_init_hard_regno_mode_ok): Likewise.
 227
 228         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
 229         wo constraint.
 230
 231         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
 232         expanders not to have constraints.  Add support for ISA 3.0 xxperm
 233         instruction.  Add support for fusing xxlor with xxperm.
 234         (altivec_vperm_<mode>_internal): Likewise.
 235         (altivec_vperm_v8hiv16qi): Likewise.
 236         (altivec_vperm_<mode>v16q): Likewise.
 237         (altivec_vperm_<mode>_uns): Likewise.
 238         (vperm_v8hiv4si): Likewise.
 239         (vperm_v16qiv8hi): Likewise.
 240
 241         * doc/md.texi (RS/6000 constraints): Document wo constraint.
 242
 243 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 244
 245         Update copyright years.
 246
 247         * gcc.c (process_command): Update copyright notice dates.
 248         * gcov-dump.c (print_version): Ditto.
 249         * gcov.c (print_version): Ditto.
 250         * gcov-tool.c (print_version): Ditto.
 251         * gengtype.c (create_file): Ditto.
 252         * doc/cpp.texi: Bump @copying's copyright year.
 253         * doc/cppinternals.texi: Ditto.
 254         * doc/gcc.texi: Ditto.
 255         * doc/gccint.texi: Ditto.
 256         * doc/gcov.texi: Ditto.
 257         * doc/install.texi: Ditto.
 258         * doc/invoke.texi: Ditto.
 259
 260 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
 261
 262         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
 263         modes larger than TImode as TImode if NEON is not enabled.
 264
 265 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
 266
 267         PR target/69100
 268         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
 269         mode for %f0-%f31 only if TARGET_FPU.
 270
 271 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
 272
 273         PR target/69072
 274         * config/sparc/sparc.c (scan_record_type): Take into account subfields
 275         to compute the PACKED_P predicate.
 276         (function_arg_record_value): Minor tweaks.
 277
 278 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 279
 280         * doc/install.texi (--with-multilib-list): Describe the meaning of the
 281         option for arm*-*-* targets.
 282
 283 2016-01-03  Sandra Loosemore <sandra@codesourcery.com>
 284
 285         * doc/extend.texi (Common Function Attributes): Move docs for
 286         MSP430-specific attributes to....
 287         (MSP430 Function Attributes): ...here.  Delete the redundant
 288         entries and copy-edit the remaining text.
 289         (MSP430 Variable Attributes): Use uniform format for index
 290         entries and add a cross-reference to the corresponding function
 291         attribute docs.
 292
 293 2016-01-03  Vladimír Čunát <vcunat@gmail.com>
 294
 295         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
 296         -finite-math typo.
 297         (x86 Options): Likewise.
 298
 299 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
 300
 301         PR 1078
 302
 303         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
 304         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
 305         to corresponding attribute.
 306
 307 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
 308
 309         * doc/extend.texi (Common Function Attributes) <noplt>: Move
 310         to correct alphabetization of table.  Copy-edit and correct
 311         markup.
 312         <stack_protect>: Likewise.
 313         <target_clones>: Likewise.
 314         <simd>: Likewise.
 315         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
 316         Correct punctuation.
 317         (Code Gen Options) <-fno-plt>: Copy-edit.
 318
 319 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 320
 321         PR target/68917
 322         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
 323         SI values.  Explicitly convert SI to DI and vice-versa.
 324
 325 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
 326
 327         PR tree-optimization/69070
 328         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
 329         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
 330
 331         PR sanitizer/69055
 332         * ubsan.c (ubsan_instrument_float_cast): Call
 333         initialize_sanitizer_builtins.
 334
 335         PR target/69015
 336         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
 337 \f
 338 Copyright (C) 2016 Free Software Foundation, Inc.
 339
 340 Copying and distribution of this file, with or without modification,
 341 are permitted in any medium without royalty provided the copyright
 342 notice and this notice are preserved.