gcc/ChangeLog

   1 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
   2
   3         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
   4         (sh_legitimate_address_p): Likewise.
   5         * config/sh/sh.c (sh_legitimate_index_p): New.
   6         (sh_legitimate_address_p): Likewise.
   7         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
   8         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
   9         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
  10         (MAYBE_BASE_REGISTER_RTX_P): New macro.
  11         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
  12         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
  13         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
  14         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
  15         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
  16
  17 2009-05-12  Jan Hubicka  <jh@suse.cz>
  18
  19         * tree-inline.c (estimate_operator_cost): Add operands;
  20         when division happens by constant, it is cheap.
  21         (estimate_num_insns): Loads and stores are not having cost of 0;
  22         EH magic stuff is cheap; when computing runtime cost of switch,
  23         use log2 base of amount of its cases; builtin_expect has cost of 0;
  24         compute cost for moving return value of call.
  25         (init_inline_once): Initialize time_based flags.
  26         * tree-inline.h (eni_weights_d): Add time_based flag.
  27
  28 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
  29
  30         * df-core.c: Update head documentation.
  31
  32 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
  33
  34         PR bootstrap/40118
  35         * rs6000.c (rs6000_generate_compare): Use op1b instead of
  36         shadowing exisiting variable op1.
  37
  38 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
  39
  40         PR target/37179
  41         * config/i386/driver-i386.c (processor_signatures): New enum.
  42         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
  43         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
  44         processor signature to detect geode processor.
  45
  46 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
  47
  48         Revert:
  49
  50         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
  51
  52         * optabs.c (prepare_cmp_insn): Temporarily disable test that
  53         causes spurious differences between trunk and cond-optab branch.
  54
  55 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
  56
  57         * dojump.c (compare_from_rtx): Delete.
  58         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
  59         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
  60         if the comparison does not satisfy the predicate; test predicates for
  61         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
  62         further if one existing pattern fails.
  63         * expr.h (compare_from_rtx): Delete.
  64         (prepare_operand): Declare it.
  65         * optabs.c: Change "lib call" to "libcall" throughout.
  66         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
  67         HAVE_conditional_trap, emit_cmp_insn): Delete.
  68         (can_compare_p): Delete cmp_optab case.
  69         (prepare_float_lib_cmp): Return an rtx and a machine mode.
  70         Accept other parameters by value.
  71         (prepare_operand): Make non-static.
  72         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
  73         other parameters by value.  Try to widen operands here based on
  74         an optab_methods argument and looking at cbranch_optab.
  75         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
  76         loop.  Use cbranch_optab directly.
  77         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
  78         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
  79         assertion.
  80         (emit_conditional_move, emit_conditional_add): Inline what's needed
  81         of compare_from_rtx, using new prepare_cmp_insn for the rest.
  82         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
  83         with COMPARE.  Move cmov_optab and cstore_optab above
  84         with cbranch_optab, move cmp_optab down with ucmp_optab,
  85         remove tst_otpab.  Do not initialize trap_rtx.
  86         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
  87         for trap code.  Do not check HAVE_conditional_trap.  Use
  88         prepare_cmp_insn.  Accept no predicate for operand 3.
  89         * optabs.h (OTI_cmp): Mark as used only for libcalls.
  90         (OTI_ctrap, ctrap_optab): New.
  91         (tst_optab): Delete.
  92         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
  93         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
  94         with lookup of ctrap_optab.
  95         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
  96         setcc_gen_code): Delete.
  97         (ctrap_optab): New.
  98
  99         * combine.c (combine_simplify_rtx, simplify_set): Do not
 100         special case comparing against zero for cc0 machines.
 101         * simplify-rtx.c (simplify_binary_operation_1): Never remove
 102         COMPARE on cc0 machines.
 103         (simplify_relational_operation): Return a new expression when
 104         a COMPARE could be removed.
 105         * final.c (final_scan_insn): Compare cc_status values
 106         against LHS of a (compare FOO (const_int 0)) cc0 source.
 107         Also check if cc_status.value is the full compare.
 108
 109         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
 110         (cstoreMM4): Document.
 111         (conditional_trap): Document ctrapMM4 instead.
 112         (sync_compare_and_swapMM): Refer to cbranchcc4.
 113         (Dependent Patterns): Eliminate obsolete information referring to
 114         the old jump optimization phase.
 115         (Canonicalization): Include cbranchcc4 case, omit canonicalization
 116         of compares with 0 on cc0 machines.
 117         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
 118         avoiding references to cc0.  Remove text about storing operands
 119         in cmpMM.
 120         * doc/tm.texi (Condition Codes): Include blurb on different
 121         condition code representations, separate into subsections for
 122         CC0, MODE_CC and conditional execution.
 123
 124         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
 125         alpha_emit_setcc): Accept operands and a machine mode.
 126         * config/alpha/alpha.c (alpha_emit_conditional_branch):
 127         Get code/op0/op1 from operands, use machine mode argument
 128         instead of alpha_compare.fp_p.  Emit the branch here.
 129         (alpha_emit_setcc): Likewise, and return boolean.
 130         (alpha_emit_conditional_move): Likewise.  Assert that
 131         cmp_op_mode == cmp_mode, and simplify accordingly.
 132         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
 133         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
 134         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
 135         Delete.
 136         (stack probe test): Use cbranchdi4.
 137         * config/alpha/predicates.md (alpha_cbranch_operator): New.
 138
 139         * config/arc/arc.c (gen_compare_reg): Do not emit cmp.
 140         * config/arc/arc.h (movsicc, movsfcc): Use it.
 141         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
 142         (cbranchsi4, cstoresi4): New.
 143         (cmpsi, bCC and sCC expanders): Remove.
 144
 145         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
 146         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
 147         * config/arm/predicates.md (arm_comparison_operator): Only include
 148         floating-point operators if there is a hardware floating-point unit.
 149         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
 150         deferring to cbranch_cc and cstore_cc respectively.
 151         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
 152         cbranch_cc, cstore_cc): New.
 153         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
 154         arm_compare_op1.
 155         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
 156
 157         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
 158         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
 159         as an argument.
 160         (adjust_insn_length): Adjust calls.
 161         (avr_reorg): Handle (compare (foo) (const_int 0)).
 162         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
 163         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
 164         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
 165         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
 166         (bCC): Remove.
 167         (cbranchqi4, cbranchhi4, cbranchsi4): New.
 168         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
 169
 170         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
 171         (cbranchsi4, cstorebi4, cstoresi4): New.
 172         (movbisi): This insn is duplicate, split it to zero_extend.
 173         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
 174         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
 175         (bfin_optimize_loop): Use cbranch expander.
 176         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
 177         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
 178         (bfin_bimode_comparison_operator): ... this.
 179         (bfin_direct_comparison_operator): New.
 180
 181         * config/cris/cris.c (cris_normal_notice_update_cc): Look
 182         inside (compare FOO (const_int 0)).
 183         (cris_rtx_costs): Handle ZERO_EXTRACT.
 184         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
 185         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
 186         (*tstdi_v32): Delete.
 187         (*cmpdi_non_v32): Add M alternative for operand 1.
 188         (cmpsi, cmp<mode>): Make private.
 189         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
 190         with COMPARE.
 191         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
 192
 193         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
 194         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
 195         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
 196         (cc_reg_operand): New.
 197         (any_cond): Delete.
 198         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
 199         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
 200         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
 201         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
 202         crx_expand_scond): Delete.
 203
 204         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
 205         (cbranchsi4): New.
 206         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
 207         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
 208
 209         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
 210         cstoresi4, cstoresf4, cstoredf4): New.
 211         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
 212         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
 213         Receive the entire operands array.
 214         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
 215         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
 216         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
 217         Get test/op0/op1 from the operands array.
 218         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
 219
 220         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
 221         (h8300_expand_store): New.
 222         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
 223         (const_int 0)).
 224         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
 225         (h8300_expand_store): New.
 226         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
 227         or do not try to produce (set (cc0) REG).
 228         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
 229         change a compare into a move to a scratch register.  Disable some
 230         peepholes when comparing with zero.
 231         (tstsi, tsthi, tstsi, cmpqi): Make private.
 232         (cmphi): Delete.
 233         (bCC, sCC): Delete.
 234         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
 235         cstoresi4): New.
 236
 237         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
 238         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
 239         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
 240         (ix86_emit_i387_log1p): Use cbranchxf2.
 241         (ix86_expand_setcc): Return void.
 242         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
 243         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
 244         cmp<MODEF>, cmpcc): Remove.
 245         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
 246         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
 247         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
 248         (sCC and bCC expanders): Remove.
 249         (stack_protect_test): Use cbranchcc4.
 250
 251         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
 252         Delete.
 253         (ia64_expand_compare): Accept three rtx by reference and return void.
 254         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
 255         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
 256         from *expr.  Update *expr with the BImode comparison to do.
 257         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
 258         cmptf, bCC, sCC, conditional_trap): Delete.
 259         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4,
 260         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
 261         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
 262         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
 263         * config/ia64/predicates.md (ia64_cbranch_operator): New.
 264
 265         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
 266         type of last argument.
 267         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
 268         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
 269         use machine mode argument instead of branch_type.  Remove dead
 270         code for floating-point comparisons.
 271         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
 272         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
 273         Remove.
 274         (cbranchsi4, cstoresi4): New.
 275         * config/iq2000/predicates.md (reg_or_const_operand): New.
 276
 277         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
 278         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
 279         (b<code>_op): Rewrite to...
 280         (bcc_op): ... this, using match_operator.
 281         (s<code>_op): Rewrite to...
 282         (scc_op): ... this, using match_operator.
 283         (s<code>_24_op): Rewrite to...
 284         (scc_op_24): ... this, using match_operator.
 285         (s<code>_<mode>): Rewrite to...
 286         (cstore<mode>4): ... this, using match_operator.
 287         (s<code>_<mode>_24): Rewrite to...
 288         (cstore<mode>4_24): ... this, using match_operator.
 289         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
 290         m32c_unpend_compare, m32c_expand_scc): Delete.
 291         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
 292         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
 293         (m32c_expand_movcc): Change NE to EQ if necessary.
 294         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
 295
 296         * config/m32r/m32r-protos.h (gen_cond_store): New.
 297         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
 298         (gen_cond_store): New, from sCC patterns.
 299         (m32r_expand_block_move): Use cbranchsi4.
 300         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
 301         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
 302         (cbranchsi4, cstoresi4): New.
 303
 304         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
 305         Delete.
 306         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
 307         (m68hc11_notice_update_cc): Look into a compare with 0.
 308         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
 309         Delete.
 310         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
 311         cmphi, cmpqi, bCC): Delete.
 312         (cbranchsi4, cbranchhi4, cbranchqi4): New.
 313         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
 314         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
 315         sets with COMPARE.
 316
 317         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
 318         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
 319         * config/m68k/constraints.md (H): New.
 320         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
 321         the define_insn below.
 322         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
 323         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
 324         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
 325         patterns): Wrap RHS with COMPARE.
 326         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
 327         (*cmpdi_internal): Name this pattern.
 328         (cmpdi): Change to define_insn.
 329         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
 330         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
 331         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
 332         predicate.
 333         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
 334         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
 335         (conditional_trap): Change to...
 336         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
 337         (*conditional_trap): Use the ordered_comparison_operator and
 338         const1_operand predicates.
 339         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
 340         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
 341         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
 342         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
 343
 344         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
 345         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
 346         (mcore_gen_compare): New.
 347         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
 348         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
 349         (mcore_gen_compare): ... this.
 350         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
 351         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
 352         (stack probe pattern): Use cbranchsi4.
 353
 354         * config/mips/predicates.md (mips_cstore_operator): New.
 355         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
 356         * config/mips/mips.md (any_cond): Delete.
 357         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
 358         always succeed.
 359         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
 360         fixuns_truncsfdi2): Use cbranch patterns.
 361         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete.
 362         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
 363         Adjust call to mips_expand_conditional_branch.
 364         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
 365         cstore<GPR:mode>4.
 366         * config/mips/mips-protos.h (mips_expand_conditional_branch,
 367         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
 368         * config/mips/mips.c (cmp_operands): Delete.
 369         (mips_emit_compare): Get comparison operands from *op0/*op1.
 370         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
 371         that it succeeds.  Use op0/op1 instead of cmp_operands.
 372         (mips_expand_conditional_branch, mips_expand_conditional_move,
 373         mips_expand_conditional_trap): Likewise.
 374         (mips_block_move_loop): Use cbranch patterns.
 375         * config/mips/mips.h (cmp_operands): Delete.
 376
 377         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
 378         (mmix_gen_compare_reg): Just return a register in the right CC mode.
 379         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
 380         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
 381         (*cmpcc_folded): Rename to...
 382         (*cmpdi_folded): this.
 383         (*cmpcc): Rename to...
 384         (*cmps): ... this.
 385         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
 386         (bCC): Remove.
 387         (cbranchdi4): New.
 388         (cbranchdf4): New.  Handle invalid comparisons here.
 389         * config/mmix/predicates.md (float_comparison_operator): New.
 390
 391         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
 392         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
 393         * config/mn10300/mn10300.md (tst): Delete.
 394         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
 395         Name these patterns and wrap RHS in a compare.
 396         (*cmpsi): Make this pattern private.  Include tst.
 397         (*cmpsf): Make this pattern private.
 398         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
 399         (compare with zero peepholes): Likewise.
 400         (bCC): Remove.
 401         (cbranchsi4, cbranchsf4): New.
 402         (casesi): Use cbranchsi4.
 403
 404         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
 405         hppa_branch_type): Delete.
 406         (return_addr_rtx): Use cbranchsi4.
 407         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
 408         Emit CCFPmode comparison here.
 409         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
 410         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
 411         hppa_branch_type): Delete.
 412         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
 413         (movsicc, movdicc): Remove references to hppa_compare_op0,
 414         hppa_compare_op1 and compare_from_rtx.
 415         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
 416         (casesi): Use cbranchsi4.
 417
 418         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
 419         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
 420         * config/pdp11/pdp11.md (register_or_const0_operand): New.
 421         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
 422         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
 423         (bCC): Delete.
 424         (cbranchdf4, cbranchhi4, cbranchqi4): New.
 425         (*branch, *branch_inverted): New.
 426
 427         * config/picochip/picochip.md (cbranchhi4): Use
 428         ordered_comparison_operator.
 429         (cmphi, bCC): Remove.
 430
 431         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
 432         (trap_comparison_operator): Delete.
 433         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
 434         rs6000_emit_cbranch): Accept mode and operands.
 435         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
 436         rs6000_compare_fp_p): Delete.
 437         (rs6000_generate_compare): Accept mode and comparison.  Extract code
 438         and op0/op1 from there.  Replace references to rs6000_compare_op0
 439         and rs6000_compare_op1.
 440         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
 441         extract result from passed operands.
 442         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
 443         extract loc from passed operands.
 444         (rs6000_emit_cmove): Likewise.
 445         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
 446         rs6000_compare_fp_p): Delete.
 447         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
 448         (cbranch<GPR>4, cbranch<FP>4): New.
 449         (cstore<mode>4): New.  Consolidate here all choices about when to use
 450         portable or specialized sCC sequences.
 451         (stack_protect_test): Use cbranchsi4.
 452         (conditional_trap): Replace with ctrap<GPR>4.
 453         (conditional trap insn): Replace trap_comparison_operator with
 454         ordered_comparison_operator.
 455
 456         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
 457         (s390_emit_prologue): Use ctrap.
 458         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
 459         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
 460         New predicates replacing...
 461         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
 462         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
 463         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
 464         (add<mode>cc): Do not use s390_compare_op0/op1.
 465         (s<code>): Change to...
 466         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
 467         (seq): Change to...
 468         (cstorecc4): ... this.  Handle EQ or NE equally.
 469         (*sne): Un-privatize for use in cstorecc4.
 470         (b<code>): Change to...
 471         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
 472         (conditional_trap): Replace with...
 473         (ctrap<GPR>4, ctrap<FP>4): ... these.
 474         (stack_protect): Use cbranchcc4.
 475
 476         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
 477         * config/score/score-protos.h (score_gen_cmp): Delete.
 478         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
 479         (score_block_move-loop): Use cbranchsi4.
 480         * config/score/score.md (cbranchsi4): New.
 481         (cmpsi, bCC): Delete.
 482         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
 483         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
 484         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
 485         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
 486         * config/score/score3.h (score3_gen_cmp): Delete.
 487         * config/score/score7.h (score7_gen_cmp): Delete.
 488
 489         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
 490         (sh_emit_scc_to_t): ... this.  Return void.
 491         (from_compare): Rename to...
 492         (sh_emit_compare_and_branch): ... this.
 493         (sh_emit_compare_and_set): New.
 494         (sh_expand_t_scc): Accept operands.
 495         * config/sh/predicates.md (sh_float_comparison_operator): New.
 496         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
 497         (prepare_scc_operands): Rename to...
 498         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
 499         arguments.
 500         (sh_emit_cheap_store_flag): New.
 501         (sh_emit_set_t_insn): New.
 502         (from_compare): Rename to...
 503         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
 504         handling of TARGET_SH2E floating point to avoid recursive call.
 505         Generate branch here.
 506         (sh_emit_compare_and_set): New.
 507         (sh_expand_t_scc): Get op0/op1 from arguments.
 508         (sh_emit_cheap_store_flag): New.
 509         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
 510         cases.
 511         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
 512         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
 513         (movsicc, movdicc): Do nothing when it recreated operands from
 514         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
 515         prepare_scc_operands (now sh_emit_scc_to_t).
 516         (udivdi3): Use cstoresi4.
 517         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
 518         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
 519         (cbranchint4_media, cbranchfp4_media): New.
 520         (casesi): Use cbranchdi4.
 521         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
 522         Delete.
 523         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
 524         (movnegt): Remove second operand.
 525         (cbranchsf4, cbranchdf4): New.
 526         (stack_protect): Use cbranchdi4/cbranchsi4.
 527
 528         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
 529         (gen_compare_reg): Accept comparison, extract part of it to...
 530         (gen_compare_reg_1): ... this.
 531         (gen_compare_operator): Delete.
 532         (gen_v9_scc): Accept separate destination, comparison code and arms.
 533         Do not use sparc_compare_op0/sparc_compare_op1.
 534         (emit_scc_insn, emit_conditional_branch_insn): New.
 535         (emit_v9_brxx): Make static.  Remove useless assertion.
 536         (sparc_emit_float_lib_cmp): Return RTL instead of calling
 537         emit_cmp_insn.
 538         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
 539         * config/sparc/sparc-protos.h (gen_compare_reg,
 540         sparc_emit_float_lib_cmp): Adjust prototype.
 541         (emit_scc_insn, emit_conditional_branch_insn): New.
 542         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
 543         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
 544         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
 545         iterators to the top.
 546         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
 547         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
 548         snedi_special_trunc): Delete.
 549         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
 550         and snedi_special_trunc.
 551         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
 552         cbranchdi4, cbranch<F:mode>4): New.
 553         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
 554         here.  Use gen_compare_reg instead of gen_compare_operator.
 555         (conditional_trap): Replace with...
 556         (ctrapsi4, ctrapdi4): ... this.
 557         (stack_protect_test): Use cbranchcc4.
 558
 559         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
 560         argument to rtx.
 561         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove.
 562         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
 563         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
 564         from operands[0] or operands[3] depending on is_set.
 565         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
 566         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
 567         cmpdf, bCC), sCC: Remove.
 568         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4,
 569         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
 570         cstoredf4): New.
 571         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
 572         spu_emit_branch_or_set.
 573
 574         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
 575         Add two arguments.
 576         * config/stormy16/stormy16.h (xstormy16_compare_op0,
 577         xstormy16_compare_op1): Delete.
 578         * config/stormy16/stormy16.c (xstormy16_compare_op0,
 579         xstormy16_compare_op1): Delete.
 580         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
 581         Adjust calls.
 582         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
 583         (cmphi, cmpsi, bCC): Remove.
 584
 585         * config/v850/v850.md (tstsi, cmpsi): Fold into...
 586         (*cmpsi): ... this one.
 587         (cbranchsi4, cstoresi4): New.
 588         (bCC expanders): Delete.
 589         (sCC insns): Fold into...
 590         (*setcc): ... this one.
 591         (casesi): Do not use gen_cmpsi and gen_bgtu.
 592         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
 593         (movsicc): Simplify.
 594         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
 595
 596         * config/vax/vax-protos.h (cond_name): New.
 597         (vax_output_conditional_branch): Remove.
 598         * config/vax/vax.c (cond_name): New.
 599         (vax_output_conditional_branch): Remove.
 600         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
 601         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
 602         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
 603         (bit<VAXint>): Wrap source with (compare).
 604         (b<code> and following unnamed pattern): Rename to *branch and
 605         *branch_reversed.  Change macroization to match_operator.
 606         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
 607
 608         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
 609         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
 610         Change last argument to machine_mode.
 611         (xtensa_expand_scc): Add machine_mode argument.
 612         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
 613         (gen_conditional_move, xtensa_expand_conditional_branch,
 614         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
 615         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
 616         Adjust operand numbers.
 617         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
 618         Delete.
 619         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
 620         (cmpsi, cmpsf, b<code>, s<code>): Delete.
 621         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
 622
 623 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
 624
 625         * optabs.c (prepare_cmp_insn): Temporarily disable test that
 626         causes spurious differences between trunk and cond-optab branch.
 627
 628 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
 629
 630         PR target/37137
 631         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
 632
 633 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
 634
 635         * tree.c (iterative_hash_pointer): Delete.
 636         (iterative_hash_expr): Short-circuit handling of NULL pointer.
 637         Hash UIDs and versions of SSA names.  Don't special-case built-in
 638         function declarations.
 639
 640 2009-05-11  Ian Lance Taylor  <iant@google.com>
 641
 642         PR bootstrap/40103
 643         * graphite.c: Force -Wc++-compat to only be a warning before
 644         #including "cloog/cloog.h".
 645
 646 2009-05-11  Martin Jambor  <mjambor@suse.cz>
 647
 648         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
 649
 650 2009-05-11  Jan Hubicka  <jh@suse.cz>
 651
 652         * tree-ssa-loop-ivcanon.c: Include target.h
 653         (struct loop_size): new structure.
 654         (constant_after_peeling): New predicate.
 655         (tree_estimate_loop_size): New function.
 656         (estimated_unrolled_size): Rewrite for new estimates.
 657         (try_unroll_loop_completely): Use new estimates.
 658         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
 659
 660 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 661
 662         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
 663         libcpp interface change.
 664         (spu_macro_to_expand): Likewise.
 665
 666 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
 667
 668         PR tree-optimization/40026
 669         * gimplify.c (gimplify_init_constructor): Change initial conditional
 670         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
 671         optimize_compound_literals_in_ctor.
 672
 673 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
 674
 675         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
 676         New devices.
 677         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
 678
 679 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
 680
 681         * tree-vect-data-refs.c (vect_analyze_group_access): Use
 682         HOST_WIDE_INT for gap.
 683
 684 2009-05-11  Ira Rosen  <irar@il.ibm.com>
 685
 686         PR tree-optimization/40074
 687         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
 688         account in group size and step comparison.
 689
 690 2009-05-11  Richard Guenther  <rguenther@suse.de>
 691
 692         * passes.c (init_optimization_passes): Strip now incorrect comment.
 693         (execute_function_todo): Do not set PROP_alias.
 694         * tree-pass.h (PROP_alias): Remove.
 695         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
 696         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
 697         * tree-nrv.c (pass_return_slot): Likewise.
 698         * tree-object-size.c (pass_object_sizes): Likewise.
 699         * tree-ssa-dom.c (pass_dominator): Likewise.
 700         (pass_phi_only_cprop): Likewise.
 701         * tree-ssa-dse.c (pass_dse): Likewise.
 702         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
 703         (pass_cselim): Likewise.
 704         * tree-ssa-pre.c (pass_pre): Likewise.
 705         (pass_fre): Likewise.
 706         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
 707         * tree-ssa-sink.c (pass_sink_code): Likewise.
 708         * tree-stdarg.c (pass_stdarg): Likewise.
 709         * tree-tailcall.c (pass_tail_calls): Likewise.
 710         * tree-vrp.c (pass_vrp): Likewise.
 711
 712 2009-05-10  Ian Lance Taylor  <iant@google.com>
 713
 714         * basic-block.h (enum profile_status): Break out of struct
 715         control_flow_graph.
 716         * cgraph.h (struct inline_summary): Break out of struct
 717         cgraph_local_info.
 718         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
 719         of struct cgraph_order_sort.
 720         * combine.c (enum undo_kind): New enum, broken out of struct undo.
 721         * cse.c (struct branch_path): Break out of struct
 722         cse_basic_block_data.
 723         * except.h (enum eh_region_type): Break out of struct eh_region.
 724         * gcc.c (enum add_del): Break out of struct modify_target.
 725         * genrecog.c (enum decision_type): Break out of struct decision_test.
 726         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
 727         ggc_pch_data.
 728         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
 729         * regmove.c (enum match_use): New enum, broken out of struct match.
 730         * sched-int.h (enum post_call_group): New enum, broken out of
 731         struct deps.
 732         (struct deps_reg): Break out of struct deps.
 733         * target.h (struct asm_int_op): Break out of struct gcc_target.
 734         * tree-eh.c (struct goto_queue_node): Break out of struct
 735         leh_tf_state.
 736         * tree-inline.h (enum copy_body_cge_which): Break out of
 737         copy_body_data.
 738         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
 739
 740         * c-decl.c (in_struct, struct_types): New static variables.
 741         (pushtag): Add loc parameter.  Change all callers.
 742         (lookup_tag): Add ploc parameter.  Change all callers.
 743         (check_compound_literal_type): New function.
 744         (parser_xref_tag): Add loc parameter.  Change all callers.  If
 745         -Wc++-compat, warn about struct/union/enum types defined within a
 746         struct or union.
 747         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
 748         and loc parameters.  Change all callers.  Change error calls to
 749         error_at, using loc.  For a redefinition, if the location of the
 750         original definition is known, report it.  Set in_struct and
 751         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
 752         (finish_struct): Add new parameters enclosing_in_struct and
 753         enclosing_struct_types.  Change all callers.  Set
 754         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
 755         in the struct.  If in a struct, add this struct to struct_types.
 756         (start_enum): Add loc parameter.  Change all callers.  Use
 757         error_at for errors, using loc.  For a redefinition, if the
 758         location of the original definition is known, report it.  If in a
 759         struct, add this enum type to struct_types.  If -Wc++-compat warn
 760         if in sizeof, typeof, or alignof.
 761         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
 762         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
 763         (c_parser_enum_specifier): Get enum location for start_enum.
 764         (c_parser_struct_or_union_specifier): Get struct location for
 765         start_struct.  Save in_struct and struct_types status between
 766         start_struct and finish_struct.
 767         (c_parser_cast_expression): Get location of cast.
 768         (c_parser_alignof_expression): Get location of type.
 769         (c_parser_postfix_expression): Likewise.
 770         (c_parser_postfix_expression_after_paren_type): Add type_loc
 771         parameter.  Change all callers.  Call check_compound_literal_type.
 772         Use type_loc for error about variable size type.
 773         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
 774         of an enum constant from an enum type defined in a struct or union.
 775         (c_cast_expr): Add loc parameter.  Change all callers.  If
 776         -Wc++-compat, warn about defining a type in a cast.
 777         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
 778         (start_enum, start_struct, finish_struct): Update declarations.
 779         (parser_xref_tag, c_cast_expr): Update declarations.
 780         (check_compound_literal_type): Declare.
 781
 782 2009-05-11  Ben Elliston  <bje@au.ibm.com>
 783
 784         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
 785         for recent libcpp interface change.
 786         (rs6000_macro_to_expand): Likewise.
 787
 788 2009-05-10  Michael Matz  <matz@suse.de>
 789
 790         PR target/40031
 791         * config/arm/arm.c (require_pic_register): Emit on entry edge,
 792         not at entry of function.
 793
 794 2009-05-10  Richard Guenther  <rguenther@suse.de>
 795
 796         PR tree-optimization/40081
 797         Revert
 798         * tree-sra.c (instantiate_element): Instantiate scalar replacements
 799         using the main variant of the element type.  Do not fiddle with
 800         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
 801
 802         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
 803         structs with volatile fields.
 804
 805 2009-05-10  Jan Hubicka  <jh@suse.cz>
 806
 807         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
 808         (estimate_move_cost): Assert that it does not get called for
 809         VOID_TYPE_P.
 810         (estimate_num_insns): Skip VOID types in argument handling.
 811         (optimize_inline_calls): Delete unreachable blocks and verify that
 812         callgraph is valid.
 813
 814 2009-05-10  Jan Hubicka  <jh@suse.cz>
 815
 816         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
 817         * cgraph.c (cgraph_mark_address_taken_node): New function.
 818         (dump_cgraph_node): Dump new flag.
 819         * cgraph.h (struct cgraph_node): Add address_taken.
 820         (cgraph_mark_address_taken_node): New function.
 821         * ipa.c (cgraph_postorder): Prioritize functions with address taken
 822         since new direct calls can be born.
 823
 824 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
 825
 826         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
 827         tok->val.node.node.
 828
 829 2009-05-10  Jan Hubicka  <jh@suse.cz>
 830
 831         PR middle-end/40084
 832         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
 833         argument; rewrite.
 834         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
 835         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
 836         * tree-inline.c (copy_bb): Set frequency correctly.
 837         (fold_marked_statements): Update call to
 838         cgraph_update_edges_for_call_stmt.
 839
 840 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
 841
 842         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
 843         identifiers in diagnostics.
 844         * config/arm/arm.c (arm_handle_fndecl_attribute,
 845         arm_handle_isr_attribute): Likewise.
 846         * config/avr/avr.c (avr_handle_progmem_attribute,
 847         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
 848         Likewise.
 849         * config/bfin/bfin.c (handle_int_attribute,
 850         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
 851         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
 852         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
 853         Likewise.
 854         * config/darwin.c (darwin_handle_kext_attribute,
 855         darwin_handle_weak_import_attribute): Likewise.
 856         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
 857         h8300_handle_eightbit_data_attribute,
 858         h8300_handle_tiny_data_attribute): Likewise.
 859         * config/i386/i386.c (ix86_handle_cconv_attribute,
 860         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
 861         Likewise.
 862         * config/i386/winnt.c (ix86_handle_shared_attribute,
 863         ix86_handle_selectany_attribute): Likewise.
 864         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
 865         * config/m32c/m32c.c (function_vector_handler): Likewise.
 866         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
 867         m68hc11_handle_fntype_attribute): Likewise.
 868         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
 869         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
 870         * config/mips/mips.c (mips_insert_attributes,
 871         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
 872         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
 873         rs6000_handle_struct_attribute): Likewise.
 874         * config/sh/sh.c (sh_insert_attributes,
 875         sh_handle_resbank_handler_attribute,
 876         sh_handle_interrupt_handler_attribute,
 877         sh2a_handle_function_vector_handler_attribute,
 878         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
 879         Likewise.
 880         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
 881         * config/spu/spu.c (spu_handle_fndecl_attribute,
 882         spu_handle_vector_attribute): Likewise.
 883         * config/stormy16/stormy16.c
 884         (xstormy16_handle_interrupt_attribute): Likewise.
 885         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
 886         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
 887
 888 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
 889
 890         * pretty-print.h (struct pretty_print_info): Add
 891         translate_identifiers.
 892         (pp_translate_identifiers): New.
 893         (pp_identifier): Only conditionally translate identifier to locale
 894         character set.
 895         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
 896         (pp_base_tree_identifier): Only conditionally translate identifier
 897         to locale character set.
 898         * c-pretty-print.c (M_): Define.
 899         (pp_c_type_specifier, pp_c_primary_expression): Mark English
 900         fragments for conditional translation with M_.
 901         * tree-pretty-print.c (maybe_init_pretty_print): Disable
 902         identifier translation.
 903
 904 2009-05-10  Richard Guenther  <rguenther@suse.de>
 905
 906         PR tree-optimization/40081
 907         * tree-sra.c (instantiate_element): Instantiate scalar replacements
 908         using the main variant of the element type.  Do not fiddle with
 909         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
 910
 911 2009-05-09  Jan Hubicka  <jh@suse.cz>
 912
 913         PR middle-end/40080
 914         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
 915         indirect calls; verify cgraph afterwards.
 916
 917 2009-05-09  Jan Hubicka  <jh@suse.cz>
 918
 919         PR bootstrap/40082
 920         * ipa.c (update_inlined_to_pointer): New function.
 921         (cgraph_remove_unreachable_nodes): Use it.
 922
 923 2009-05-09  Jan Hubicka  <jh@suse.cz>
 924
 925         * tree-eh.c (struct leh_state): Remove prev_try.
 926         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
 927         not track prev_try.
 928         * except.c (gen_eh_region_cleanup, duplicate_eh_regions,
 929         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
 930         remove_eh_handler_and_replace, foreach_reachable_handler,
 931         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
 932         * except.h (struct eh_region): Remove eh_region_u_cleanup.
 933         (gen_eh_region_cleanup): Update prototype.
 934
 935 2009-05-09  Jan Hubicka  <jh@suse.cz>
 936
 937         PR middle-end/40043
 938         * except.c (copy_eh_region): Always set prev_try.
 939         (redirect_eh_edge_to_label): Find outer try.
 940         (foreach_reachable_handler): When looking for prev try
 941         handle case where previous try is not going to be taken.
 942
 943 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
 944
 945         PR tree-optimization/40049
 946         * tree-vect-stmts.c (vectorizable_operation): If the machine has
 947         only vector/vector shifts, convert the type of the constant to the
 948         appropriate type to avoid building incorrect trees, which
 949         eventually have problems with garbage collection.
 950
 951 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
 952
 953         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
 954         -1 for complex floating-point types if honoring signed zeros.
 955
 956 2009-05-08  Jan Hubicka  <jh@suse.cz>
 957
 958         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
 959         argument; handle correctly when profile is absent.
 960         (build_cgraph_edges): Update.
 961         (rebuild_cgraph_edges): Update.
 962         * cgraph.c: Do not include varray.h.
 963         (cgraph_set_call_stmt_including_clones): New function.
 964         (cgraph_create_edge_including_clones): Likewise
 965         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
 966         (cgraph_update_edges_for_call_stmt): Handle clones.
 967         (cgraph_remove_node): Handle clone tree.
 968         (cgraph_remove_node_and_inline_clones): New function.
 969         (dump_cgraph_node): Dump clone tree.
 970         (cgraph_clone_node): Handle clone tree.
 971         (clone_function_name): Bring here from tree-inline.c.
 972         (cgraph_create_virtual_clone): New function.
 973         * cgraph.h (ipa_replace_map): Move here from ipa.h.
 974         (cgraph_clone_info): New function.
 975         (strut cgraph_node): Add clone_info and new clone tree pointers.
 976         (cgraph_remove_node_and_inline_clones,
 977         cgraph_set_call_stmt_including_clones,
 978         cgraph_create_edge_including_clones,
 979         cgraph_create_virtual_clone): Declare.
 980         (cgraph_function_versioning): Use VEC argument.
 981         (compute_call_stmt_bb_frequency): Update prototype.
 982         (cgraph_materialize_all_clones): New function.
 983         * ipa-cp.c (ipcp_update_cloned_node): Remove.
 984         (ipcp_create_replace_map): Update to VECtors.
 985         (ipcp_update_callgraph): Use virtual clones.
 986         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
 987         (ipcp_update_profiling): Do not update local profiling.
 988         (ipcp_insert_stage): Use VECtors and virtual clones.
 989         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
 990         (clone_of_p): New function.
 991         (cgraph_preserve_function_body_p): Use clone tree.
 992         (cgraph_optimize): Materialize clones.
 993         (cgraph_function_versioning): Update for VECtors.
 994         (save_inline_function_body): Use clone tree.
 995         (cgraph_materialize_clone): New function.
 996         (cgraph_materialize_all_clones): Likewise.
 997         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
 998         * ipa.c: Include gimple.h.
 999         (cgraph_remove_unreachable_nodes): Use clone tree.
1000         * ipa-prop.c (ipa_note_param_call): Update call to
1001         compute_call_stmt_bb_frequencycall.
1002         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
1003         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
1004         (copy_bb): Handle updating of clone tree; add new edge when new call
1005         appears.
1006         (expand_call_inline): Be strict about every call having edge.
1007         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
1008         (delete_unreachable_blocks_update_callgraph): New function.
1009         (tree_function_versioning): Use VECtors; always remove unreachable
1010         blocks and fold conditionals.
1011         * tree-inline.h: Do not include varray.h.
1012         (tree_function_versioning): Remove.
1013         * Makefile.in (GTFILES): Remove tree-inline.c
1014         * passes.c (do_per_function): Do only functions having body.
1015         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
1016         tree.
1017
1018 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
1019             Andrew Morrow  <acm@google.com>
1020
1021         PR c/36892
1022         * c-common.c (c_common_attribute_table): Permit deprecated
1023         attribute to take an optional argument.
1024         (handle_deprecated_attribute): If the optional argument to
1025         __attribute__((deprecated)) is not a string ignore the attribute
1026         and emit a warning.
1027
1028         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
1029         * c-typeck.c (build_component_ref): Likewise.
1030         (build_external_ref): Likewise.
1031
1032         * toplev.c (warn_deprecated_use): Add an attribute argument.
1033         Emit the message associated with __attribute__((deprecated)).
1034
1035         * toplev.h (warn_deprecated_use): Updated.
1036
1037         * doc/extend.texi: Document new optional parameter to
1038         __attribute__((deprecated))
1039
1040 2009-05-08  Michael Eager <eager@eagercon.com>
1041
1042         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
1043         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
1044
1045 2009-05-08  Richard Guenther  <rguenther@suse.de>
1046
1047         PR tree-optimization/40062
1048         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
1049         Avoid exponential behavior.
1050
1051 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1052
1053         PR rtl-optimization/33928
1054         PR 26854
1055         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
1056         process_uses, build_single_def_use_links): New.
1057         (update_df): Update use_def_ref.
1058         (forward_propagate_into): Use get_def_for_use instead of use-def
1059         chains.
1060         (fwprop_init): Call build_single_def_use_links and let it initialize
1061         dataflow.
1062         (fwprop_done): Free use_def_ref.
1063         (fwprop_addr): Eliminate duplicate call to df_set_flags.
1064         * df-problems.c (df_rd_simulate_artificial_defs_at_top,
1065         df_rd_simulate_one_insn): New.
1066         (df_rd_bb_local_compute_process_def): Update head comment.
1067         (df_chain_create_bb): Use the new RD simulation functions.
1068         * df.h (df_rd_simulate_artificial_defs_at_top,
1069         df_rd_simulate_one_insn): New.
1070         * opts.c (decode_options): Enable fwprop at -O1.
1071         * doc/invoke.texi (-fforward-propagate): Document this.
1072
1073 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1074
1075         PR c/24581
1076         * c-typeck.c (build_binary_op): Handle arithmetic between one real
1077         and one complex operand specially.
1078         * tree-complex.c (some_nonzerop): Do not identify a real value as
1079         zero if flag_signed_zeros.
1080
1081 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1082
1083         PR rtl-optimization/33928
1084         * loop-invariant.c (record_use): Fix && vs. || mishap.
1085
1086 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1087
1088         PR rtl-optimization/33928
1089         * loop-invariant.c (struct use): Add addr_use_p.
1090         (struct def): Add n_addr_uses.
1091         (struct invariant): Add cheap_address.
1092         (create_new_invariant): Set cheap_address.
1093         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
1094         (record_uses): Pass df_ref to record_use.
1095         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
1096         used only as such.
1097
1098 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1099
1100         * config/sh/sh.c: Do not include c-pragma.h.
1101
1102 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1103
1104         * config/spu/spu.c: Remove include of c-common.h.
1105
1106 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
1107
1108         PR c/39037
1109         * c-common.h (mark_valid_location_for_stdc_pragma,
1110         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
1111         clear_float_const_decimal64, float_const_decimal64_p): New.
1112         * c.opt (Wunsuffixed-float-constants): New.
1113         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
1114         unsuffixed float constant, handle new warning.
1115         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
1116         * c-decl.c (c_scope): New flag float_const_decimal64.
1117         (set_float_const_decimal64, clear_float_const_decimal64,
1118         float_const_decimal64_p): New.
1119         (push_scope): Set new flag.
1120         * c-parser.c (c_parser_translation_unit): Mark when it's valid
1121         to use STDC pragmas.
1122         (c_parser_external_declaration): Ditto.
1123         (c_parser_compound_statement_nostart): Ditto.
1124         * c-pragma.c (valid_location_for_stdc_pragma,
1125         mark_valid_location_for_stdc_pragma,
1126         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
1127         handle_pragma_float_const_decimal64): New.
1128         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
1129         * cp/semantics.c (valid_location_for_stdc_pragma_p,
1130         set_float_const_decimal64, clear_float_const_decimal64,
1131         float_const_decimal64_p): New dummy functions.
1132         * doc/extend.texi (Decimal Float): Remove statement that the
1133         pragma, and suffix for double constants, are not supported.
1134         * doc/invoke.texi (Warning Options): List new option.
1135         (-Wunsuffixed-float-constants): New.
1136
1137 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
1138
1139         * config/i386/i386.c: Do not include c-common.h.
1140
1141 2009-05-07  Mark Heffernan  <meheff@google.com>
1142
1143         * doc/invoke.texi (Debugging Options): Document change of debugging
1144         dump location.
1145         * opts.c (decode_options): Make dump_base_name relative to
1146         aux_base_name directory.
1147
1148 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
1149
1150         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
1151         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
1152
1153 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
1154
1155         * Makefile.in (install-plugin): Simplify a bit.
1156
1157 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
1158
1159         * Makefile.in (OBJS-common): Add regcprop.o.
1160         (regcprop.o): New.
1161         * timevar.def (TV_CPROP_REGISTERS): New.
1162         * regrename.c (regrename_optimize): Return 0.
1163         (rest_of_handle_regrename): Delete.
1164         (pass_rename_registers): Point to regrename_optimize.
1165         (struct value_data_entry, struct value_data,
1166         kill_value_one_regno, kill_value_regno, kill_value,
1167         set_value_regno, init_value_data, kill_clobbered_value,
1168         kill_set_value, kill_autoinc_value, copy_value,
1169         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
1170         replace_oldest_value_reg, replace_oldest_value_addr,
1171         replace_oldest_value_mem, copyprop_hardreg_forward_1,
1172         debug_value_data, validate_value_data): Move...
1173         * regcprop.c: ... here.
1174         (rest_of_handle_cprop): Delete.
1175         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
1176
1177 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
1178
1179         PR middle-end/40057
1180         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
1181         GEN_INT for 1 << bitnum.
1182         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
1183         build_int_cst_type.
1184
1185 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
1186
1187         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
1188         Remove wrong description of "nand" operation.
1189
1190 2009-05-06  Richard Guenther  <rguenther@suse.de>
1191             Adam Nemet  <anemet@caviumnetworks.com>
1192
1193         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
1194         comment.  Add that if LHS is not a gimple register, then RHS1 has
1195         to be a single object (GIMPLE_SINGLE_RHS).
1196
1197 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
1198
1199         * expr.c (get_def_for_expr): Move it up in the file.
1200         (store_field): When expanding a bit-field store, look at the
1201         defining gimple stmt for the masking conversion.
1202
1203 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
1204
1205         PR middle-end/39986
1206         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1207         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
1208         32-bit memcpy into long.
1209
1210 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
1211
1212         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
1213         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
1214         new_reg_loc_descr.
1215         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
1216         instead of appending DW_OP_deref*.
1217
1218 2009-05-06  Michael Matz  <matz@suse.de>
1219
1220         PR middle-end/40021
1221         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
1222         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
1223
1224 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
1225
1226         * Makefile.in (install-plugin): Fix srcdir handling.
1227
1228 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
1229
1230         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
1231         when processing for not_regs_needed bitmap.
1232         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
1233         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while
1234         handling it for rhs.
1235
1236 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1237
1238         * config/i386/i386.md (unnamed inc/dec peephole): Use
1239         optimize_insn_for_size_p instead of optimize_size.
1240         * config/i386/predicates.md (incdec_operand): Likewise.
1241         (aligned_operand): Likewise.
1242         * config/i386/sse.md (divv8sf3): Likewise.
1243         (sqrtv8sf2): Likewise.
1244
1245 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1246
1247         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
1248
1249         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
1250
1251 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1252
1253         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
1254         ssemodesuffixf2c with avxmodesuffixf2c.
1255
1256 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
1257
1258         PR c/40032
1259         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
1260
1261 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
1262
1263         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
1264         (struct tree_base): Adjust spacing for 8 bit boundaries.
1265         (struct tree_decl_common): Add decl_by_reference_flag bit.
1266         (DECL_BY_REFERENCE): Adjust.
1267         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
1268         print DECL_BY_REFERENCE bit.
1269         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
1270         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
1271         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
1272         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
1273         unconditionally.
1274
1275         PR middle-end/39666
1276         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
1277         range of the type, but default label is missing, add it with one
1278         of the existing labels instead of adding a new label for it.
1279
1280 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
1281
1282         * dwarf.h: Remove.
1283
1284 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
1285
1286         * Makefile.in (enable_plugin, plugin_includedir): New.
1287         (install): Depend on install-plugin.
1288         (PLUGIN_HEADERS): New.
1289         (install-plugin): New.
1290         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
1291
1292 2009-05-05  Richard Guenther  <rguenther@suse.de>
1293
1294         PR tree-optimization/40022
1295         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
1296         the only vuse.
1297         (phivn_valid_p): Fix tuplification error, simplify.
1298         (phiprop_insert_phi): Add dumps.
1299         (propagate_with_phi): Simplify.
1300
1301 2009-05-05  Richard Guenther  <rguenther@suse.de>
1302
1303         PR middle-end/40023
1304         * builtins.c (gimplify_va_arg_expr): Properly build the address.
1305
1306 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
1307
1308         * tree.h (strip_float_extensions): Remove duplicate declaration.
1309         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
1310         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
1311         block_ultimate_origin): Rearrange the declarations line to match the
1312         comment that indicates the .c file which the functions are defined.
1313         (dwarf2out_*, set_decl_rtl): Add comment.
1314         (get_base_address): Adjust comment.
1315         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
1316         declarations line and add comment.
1317         (is_builtin_name): Add blank after function name, for clarity.
1318
1319 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1320
1321         * attribs.c (decl_attributes): Use %qE for identifiers in
1322         diagnostics.
1323         * cgraphunit.c (verify_cgraph_node): Translate function names to
1324         locale character set in diagnostics.
1325         * coverage.c (get_coverage_counts): Use %qE for identifiers in
1326         diagnostics.
1327         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
1328         Document that functions are named in UTF-8.
1329         * expr.c (expand_expr_real_1): Translate function names to locale
1330         character set in diagnostics.
1331         * gimplify.c (omp_notice_variable, omp_is_private,
1332         gimplify_scan_omp_clauses): Use %qE for identifiers in
1333         diagnostics.
1334         * langhooks.c (lhd_print_error_function): Translate function names
1335         to locale character set.
1336         * langhooks.h (decl_printable_name): Document that return value is
1337         in internal character set.
1338         * stmt.c: Include pretty-print.h
1339         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
1340         diagnostics.
1341         (resolve_operand_name_1): Translate named operand name to locale
1342         character set.
1343         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
1344         diagnostics.
1345         * toplev.c (announce_function): Translate function names to locale
1346         character set.
1347         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
1348         (default_tree_printer): Use pp_identifier or translate identifiers
1349         to locale character set.  Mark "<anonymous>" for translation.
1350         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
1351         for identifiers in diagnostics.
1352         * tree.c (handle_dll_attribute): Use %qE for identifiers in
1353         diagnostics.
1354         * varasm.c (output_constructor): Use %qE for identifiers in
1355         diagnostics.
1356
1357 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
1358
1359         * configure.ac: use ` ` instead of $()
1360         * configure: Regenerate.
1361
1362 2009-05-05  Ben Elliston  <bje@au.ibm.com>
1363
1364         * config/pa/linux-atomic.c: Eliminate conditional include of
1365         errno.h on non-LP64 systems to simplify build requirements.
1366
1367 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1368
1369         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
1370         diagnostics.
1371         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
1372         and pass value to identifier_to_locale.
1373         (warn_variable_length_array): Make name a tree.
1374         (grokdeclarator): Separate diagnostic texts for named and unnamed
1375         declarators.  Use %qE for named declarators.
1376         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
1377         diagnostics.
1378         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
1379         identifiers in diagnostics.
1380         * c-typeck.c (push_member_name, start_init): Pass identifiers to
1381         identifier_to_locale.  Mark "anonymous" strings for translation.
1382
1383 2009-05-04  Michael Eager <eager@eagercon.com>
1384
1385         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
1386         address for DImode/DFmode only if double-precision FP regs.
1387
1388 2009-05-04  Michael Eager <eager@eagercon.com>
1389
1390         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
1391         TARGET_SINGLE_FLOAT check.
1392
1393 2009-05-04  Michael Eager <eager@eagercon.com>
1394
1395         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
1396
1397 2009-05-04  Michael Eager <eager@eagercon.com>
1398
1399         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
1400         * config/rs6000/t-xilinx: New
1401
1402 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
1403
1404         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
1405         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
1406         * gcc/explow.c (memory_address): Use target hook.
1407         * gcc/targhooks.c (default_legitimize_address): New.
1408         * gcc/targhooks.h (default_legitimize_address): New.
1409         * gcc/target.h (legitimize_address): New.
1410         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
1411         (TARGET_INITIALIZER): Include it.
1412         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
1413
1414         * config/bfin/bfin-protos.h (legitimize_address): Remove.
1415         * config/bfin/bfin.c (legitimize_address): Remove.
1416         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
1417         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
1418         Remove.
1419         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
1420         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
1421
1422         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
1423         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
1424         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
1425         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
1426         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
1427         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
1428         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
1429         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
1430         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
1431         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
1432         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
1433         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
1434         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
1435         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
1436         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
1437         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
1438         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
1439         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
1440         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
1441         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
1442         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
1443         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
1444         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
1445
1446         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
1447         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
1448         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
1449         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
1450         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
1451         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
1452         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
1453         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
1454         (thumb_legitimize_address): Delete.
1455         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
1456         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
1457         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
1458         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
1459         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
1460         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
1461         Delete.
1462         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
1463         Delete.
1464
1465         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
1466         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
1467         * config/m32r/m32r.c (m32r_legitimize_address): New.
1468         * config/m68k/m68k.c (m68k_legitimize_address): New.
1469         * config/score/score.c (score_legitimize_address): Standardize.
1470         * config/score/score3.c (score3_legitimize_address): Standardize.
1471         * config/score/score3.h (score3_legitimize_address): Adjust.
1472         * config/score/score7.c (score7_legitimize_address): Standardize.
1473         * config/score/score7.h (score7_legitimize_address): Adjust.
1474         * config/sh/sh.c (sh_legitimize_address): New.
1475         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
1476
1477         * gcc/config/s390/s390.c (legitimize_address): Rename to...
1478         (s390_legitimize_address): ... this.
1479         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
1480         (sparc_legitimize_address): ... this.
1481         * gcc/config/i386/i386.c (legitimize_address): Rename to...
1482         (ix86_legitimize_address): ... this.
1483         * gcc/config/avr/avr.c (legitimize_address): Rename to...
1484         (avr_legitimize_address): ... this.
1485         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
1486         (mn10300_legitimize_address): ... this.
1487         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
1488         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
1489         (alpha_expand_mov): Adjust call.
1490
1491         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
1492         * config/spu/spu.c (spu_legitimize_address): Likewise.
1493         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
1494         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
1495
1496 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1497
1498         * intl.c (locale_encoding, locale_utf8): New.
1499         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
1500         * intl.h (locale_encoding, locale_utf8): Declare.
1501         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
1502         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
1503         New.
1504         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
1505         argument.
1506         (pp_tree_identifier): Define to call pp_base_tree_identifier.
1507         (pp_base_tree_identifier): Declare as function.
1508         (identifier_to_locale): Declare.
1509         * Makefile.in (pretty-print.o): Update dependencies.
1510         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
1511
1512 2009-05-04  Richard Guenther  <rguenther@suse.de>
1513
1514         PR middle-end/40015
1515         * builtins.c (fold_builtin_memory_op): Do not decay to element
1516         type if the size matches the whole array.
1517
1518 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1519
1520         * expmed.c (synth_mult): When trying out a shift, pass the result
1521         of a signed shift.
1522
1523 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1524
1525         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
1526         (shiftsub1_cost): New.
1527         (init_expmed): Compute shiftsub1_cost.
1528         (synth_mult): Optimize multiplications by constants of the form
1529         -(2^^m-1) for some constant positive integer m.
1530
1531 2009-05-03  Richard Guenther  <rguenther@suse.de>
1532
1533         PR c/39983
1534         * c-typeck.c (array_to_pointer_conversion): Do not built
1535         ADDR_EXPRs of arrays of pointer-to-element type.
1536         * c-gimplify.c (c_gimplify_expr): Revert change fixing
1537         up wrong ADDR_EXPRs after-the-fact.
1538         * c-common.c (strict_aliasing_warning): Strip pointer
1539         conversions for obtaining the original type.
1540         * builtins.c (fold_builtin_memset): Handle array types.
1541         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
1542         and array types
1543
1544 2009-05-03  Richard Guenther  <rguenther@suse.de>
1545
1546         PR middle-end/23329
1547         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
1548         Do not lose casts from array types with unknown extent to array
1549         types with known extent.
1550         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
1551         alias set compatibility.
1552
1553 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1554
1555         * flags.h (extra_warnings): Delete.
1556         * toplev.c (process_options): Handle Wuninitialized here.
1557         * opts.c (extra_warnings): Delete.
1558         (set_Wextra): Delete.
1559         (common_handle_option): -Wextra can be handled automatically.
1560         * c-opts.c (c_common_handle_option): Delete obsolete code.
1561         (c_common_post_options): Simplify comment.
1562         * common.opt (W): Add Var.
1563         (Wextra): Add Var.
1564         (Wuninitialized): Initialize to -1.
1565
1566 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
1567             Richard Guenther  <rguenther@suse.de>
1568
1569         * expr.c (get_def_for_expr): New function.
1570         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
1571         SSA rather than trees.
1572         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
1573         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
1574
1575 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
1576
1577         * c-common.c (reswords): Add _Imaginary.
1578         * c-common.c (enum rid): Add RID_IMAGINARY.
1579
1580 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
1581
1582         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
1583         Patch by Richard Guenther.
1584
1585 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
1586
1587         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
1588         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
1589         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
1590         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
1591         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
1592         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
1593         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
1594         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
1595         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
1596         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
1597         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
1598         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
1599         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
1600         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
1601         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
1602         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
1603         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
1604         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
1605
1606 2009-05-02  Richard Guenther  <rguenther@suse.de>
1607
1608         PR tree-optimization/39940
1609         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
1610         doing so.
1611
1612 2009-05-02  Richard Guenther  <rguenther@suse.de>
1613
1614         PR middle-end/40001
1615         * tree-ssa.c (execute_update_addresses_taken): Properly check
1616         if we can mark a variable DECL_GIMPLE_REG_P.
1617         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
1618         back to the end of the function.
1619         (is_gimple_reg_type): Remove complex type special casing.
1620         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
1621         if not optimizing.
1622
1623 2009-05-02  Ben Elliston  <bje@au.ibm.com>
1624
1625         * doc/collect2.texi (Collect2): Document search path behaviour
1626         when configured with --with-ld.
1627
1628 2009-05-02  Jan Hubicka  <jh@suse.cz>
1629
1630         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
1631         parameter; update callers.
1632         (coalesce_cost_edge): EH edges are costier because they needs
1633         splitting even if not critical and even more costier when there are
1634         multiple EH predecestors.
1635
1636 2009-05-02  Jan Hubicka  <jh@suse.cz>
1637
1638         * except.c (remove_eh_handler_and_replace): Handle updating after
1639         removing TRY blocks.
1640
1641 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
1642
1643         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
1644
1645 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
1646
1647         * varasm.c: Do not include c-pragma.h.
1648         * attribs.c: Do not incude c-common.h.
1649
1650 2009-05-01  Michael Matz  <matz@suse.de>
1651
1652         * calls.c (initialize_argument_information): Handle SSA names like
1653         decls with a non MEM_P DECL_RTL.
1654
1655 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
1656
1657         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
1658         * ipa-utils.c: Likewise.
1659         * ipa-type-escape.c: Likewise.
1660         * cgraphunit.c Do not include c-common.h.
1661         * ipa-pure-const.c: Likewise.
1662         * tree-if-conv.c: Likewise.
1663         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
1664         * ipa-struct-reorg.c: Likewise.
1665         * tree-nomudflap.c: Likewise.
1666         * tree-ssa-structalias.c: Likewise.
1667
1668 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
1669
1670         * store-motion.c: Many cleanups to make this pass a first-class
1671         citizen instead of an appendix to gcse load motion.  Add TODO list
1672         to make this pass faster/cleaner/better.
1673
1674         (struct ls_expr): Post gcse.c-split cleanups.
1675         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
1676         "stores" field to "avail_stores".
1677         (pre_ldst_mems): Rename to store_motion_mems.
1678         (pre_ldst_table): Rename to store_motion_mems_table.
1679         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
1680         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
1681         (ldst_entry): Rename to st_expr_entry, update users.
1682         (free_ldst_entry): Rename to free_st_expr_entry, update users.
1683         (free_ldst_mems): Rename to free_store_motion_mems, update users.
1684         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
1685         update caller.
1686         (first_ls_expr): Rename to first_st_expr, update users.
1687         (next_ls_expr): Rename to next_st_expr, update users.
1688         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
1689         fields properly for store motion instead of names inherited from load
1690         motion in gcse.c.
1691         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
1692         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
1693         are done with it.
1694
1695         (ae_kill): Rename to st_kill, update users.
1696         (ae_gen): Rename to st_avloc, update users.
1697         (transp): Rename to st_transp, update users.
1698         (pre_insert_map): Rename to st_insert_map, update users.
1699         (pre_delete_map): Rename to st_delete_map, update users.
1700         (insert_store, build_store_vectors, free_store_memory,
1701         one_store_motion_pass): Update for abovementioned changes.
1702
1703         (gcse_subst_count, gcse_create_count): Remove.
1704         (one_store_motion_pass): New statistics counters "n_stores_deleted"
1705         and "n_stores_created", local variables.
1706
1707         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
1708         use for_each_rtx.
1709
1710         (regvec, compute_store_table_current_insn): Remove.
1711         (reg_set_info, reg_clear_last_set): Remove.
1712         (compute_store_table): Use DF caches instead of local dataflow
1713         solvers.
1714
1715 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
1716
1717         * c-objc-common.c (c_tree_printer): Print identifiers with
1718         pp_identifier, not pp_string.  Mark "({anonymous})" for
1719         translation.
1720         * c-pretty-print.c (pp_c_ws_string): New.
1721         (pp_c_cv_qualifier, pp_c_type_specifier,
1722         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
1723         pp_c_storage_class_specifier, pp_c_function_specifier,
1724         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
1725         pp_c_primary_expression, pp_c_postfix_expression,
1726         pp_c_unary_expression, pp_c_shift_expression,
1727         pp_c_relational_expression, pp_c_equality_expression,
1728         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
1729         use pp_string and pp_c_ws_string in place of pp_identifier and
1730         pp_c_identifier for non-identifiers.  Mark English strings for
1731         translation.
1732         * c-pretty-print.h (pp_c_ws_string): Declare.
1733
1734 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
1735             Roland McGrath <roland@redhat.com>
1736
1737         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
1738         (ENABLE_LD_BUILDID): New configuration option.
1739         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
1740         (LINK_BUILDID_SPEC): New macro.
1741         (init_spec): If defined, prepend it between LINK_EH_SPEC and
1742         link_spec.
1743         * doc/install.texi: Document --enable-linker-build-id option.
1744         * configure: Rebuild.
1745         * config.in: Rebuild.
1746
1747 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
1748
1749         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
1750         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
1751         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
1752         MIPS_GP_SAVE_AREA_SIZE.
1753         * config/mips/mips.c (struct mips_frame_info): Update comment
1754         before arg_pointer_offset and hard_frame_pointer_offset.
1755         (mips_compute_frame_info): Update diagram before function: to
1756         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
1757         indicate the position of frame_pointer_rtx with -fstack-protector and
1758         to show args_size.  Don't allocate cprestore area for leaf functions
1759         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
1760         cprestore_size.
1761         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
1762
1763 2009-04-30  Michael Matz  <matz@suse.de>
1764
1765         PR tree-optimization/39955
1766         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
1767
1768 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
1769
1770         * ira.c (setup_cover_and_important_classes):  Use safe macro
1771         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
1772         directly.
1773         * genpreds.c (write_tm_preds_h):  Output suitable definition of
1774         REG_CLASS_FOR_CONSTRAINT.
1775
1776 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
1777
1778         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
1779         instead of an int.
1780         * bitmap.c (bitmap_descriptor): Likewise.
1781         * ggc-common.c (loc_descriptor): Likewise.
1782         * varray.c (varray_descriptor): Likewise.
1783         * vec.c (vec_descriptor): Likewise.
1784
1785 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1786
1787         * Makefile.in (dce.o): Add $(EXCEPT_H).
1788         * dce.c: Include except.h and delete redundant vector definitions.
1789         (deletable_insn_p): Return false for non-call insns that can throw
1790         if DF is running.
1791
1792 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1793
1794         * gcse.c (ae_gen): Remove.
1795         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
1796         and make non-static function to make it available in store-motion.c.
1797         Update call sites with search-and-replace.
1798         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
1799         extract_mentioned_regs, extract_mentioned_regs_helper,
1800         find_moveable_store, compute_store_table, load_kills_store, find_loads,
1801         store_killed_in_insn, store_killed_after, store_killed_before,
1802         build_store_vectors, insert_insn_start_basic_block, insert-store,
1803         remove_reachable_equiv_notes, replace_store_insn, delete_store,
1804         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
1805         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
1806         * store-motion.c: ...new file.  Also copy data structures from gcse.c
1807         and clean up to remove parts not used by store motion.
1808         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
1809         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
1810
1811 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1812
1813         PR target/38571
1814         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
1815         when optimizing for size.
1816
1817 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
1818
1819         * gcse.c (gcse_constant_p): Fix typo in last change.
1820
1821 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
1822
1823         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
1824
1825 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
1826
1827         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
1828
1829 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
1830
1831         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
1832         CONST_HIGH_PART result.
1833
1834 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
1835
1836         * config/avr/avr.c (initial_elimination_offset): Rename to
1837         avr_initial_elimination_offset.
1838         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
1839         change return type to bool.
1840         (avr_can_eliminate): New function.
1841         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
1842         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
1843         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
1844         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
1845         avr_initial_elimination_offset.
1846         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
1847         (avr_initial_elimination_offset): Define.
1848
1849 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
1850             Steven Bosscher  <steven@gcc.gnu.org>
1851
1852         PR rtl-optimization/39938
1853         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
1854         * cfgrtl.c: Include insn-attr.h.
1855         (rest_of_pass_free_cfg): New function.
1856         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
1857         * resource.c (init_resource_info): Remove call to df_analyze.
1858
1859 2009-04-29  Richard Guenther  <rguenther@suse.de>
1860
1861         PR target/39943
1862         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
1863         allow conversion to signed integers.
1864
1865 2009-04-29  Richard Guenther  <rguenther@suse.de>
1866
1867         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
1868         shifts of floating point vectors if the shift amount is
1869         a constant multiple of the element size.
1870
1871 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1872             Michael Matz  <matz@suse.de>
1873
1874         PR middle-end/39927
1875         PR bootstrap/39929
1876         * tree-outof-ssa.c (emit_partition_copy): New function.
1877         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
1878         insert_part_to_rtx_on_edge): Perform the partition base var
1879         copy using emit_partition_copy.
1880         (insert_value_copy_on_edge): Convert constants to the right mode.
1881         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
1882         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
1883
1884 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1885
1886         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
1887         scan backwards to try to find a constant to initialize it.
1888
1889         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
1890         insn before the loop_end instruction, don't look past labels.
1891
1892 2009-04-29  Richard Guenther  <rguenther@suse.de>
1893
1894         PR middle-end/39937
1895         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
1896         loose type conversions.
1897         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
1898         stmts only if there are no uses of its definition.
1899
1900 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1901
1902         * config/bfin/bfin.h (splitting_loops): Declare.
1903         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
1904         Reorder bit definitions to be ascending.
1905         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
1906         * config/bfin/bfin.c (splitting_loops): New variable.
1907         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
1908         (struct loop_info): Remove members INIT and LOOP_INIT.
1909         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
1910         the LSETUP sequence.  Allow LC to be loaded from any register, but
1911         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
1912         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
1913         set to 1.
1914         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
1915         of reload_completed.
1916
1917         From Jie Zhang:
1918         * config/bfin/bfin.md (movsi_insn): Refine constraints.
1919
1920 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
1921
1922         * Makefile.in (PLUGIN_VERSION_H): New.
1923         (OBJS-common): Remove plugin-version.o.
1924         (plugin.o): Depend on (PLUGIN_VERSION_H).
1925         (plugin-version.o): Remove.
1926         * configure: Regenerate
1927         * configure.ac: Create plugin-version.h.
1928         * gcc-plugin.h (plugin_gcc_version): Remove.
1929         (plugin_default_version_check): Change signature.
1930         * plugin-version.c: Remove.
1931         * plugin.c: Include plugin-version.h.
1932         (str_plugin_gcc_version_name): Remove.
1933         (try_init_one_plugin): Pass gcc version to plugin_init.
1934         (plugin_default_version_check): Both gcc and plugin versions are now
1935         arguments.
1936
1937 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1938
1939         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
1940         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
1941         Remove special case testing for last insn of inner loops. Don't fail
1942         if the loop ends with a jump, emit an extra nop instead.
1943
1944         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
1945         DREGS rather than comparing directly.  Remove code that tries to
1946         account for latencies.
1947
1948 2009-04-29  Richard Guenther  <rguenther@suse.de>
1949
1950         PR tree-optimization/39941
1951         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
1952         eliminating an indirect call.
1953
1954 2009-04-29  Richard Guenther  <rguenther@suse.de>
1955
1956         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
1957         parameter.  Allow invariants as base if !require_lvalue.
1958         (verify_gimple_assign_single): Adjust.
1959
1960 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1961
1962         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
1963         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
1964         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
1965         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
1966         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
1967         a VEC_SELECT.
1968         * config/bfin/bfin.c (bfin_expand_builtin,
1969         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
1970
1971 2009-04-28  Richard Guenther  <rguenther@suse.de>
1972
1973         * tree-vect-loop.c (get_initial_def_for_induction): Use
1974         correct types for pointer increment.
1975
1976 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1977
1978         * toplev.c (print_version): Update GMP version string calculation.
1979
1980 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1981
1982         PR rtl-optimization/39938
1983         * resource.c (init_resource_info): Add call to df_analyze.
1984
1985 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1986
1987         * config/alpha/alpha.md (usegp): Cast the result of
1988         alpha_find_lo_sum_using_gp to enum attr_usegp.
1989         * config/alpha/alpha.c (override_options): Remove end-of-structure
1990         marker element from cpu_table.  Use array size of cpu_table to handle
1991         -mcpu and -mtune options.
1992         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
1993
1994 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
1995
1996         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
1997         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
1998         tune_32 and tune_64.
1999         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2000         support on PowerPC.
2001         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
2002         * config/rs6000/option-defaults.h: ... here.  New file.
2003         (OPT_64, OPT_32): Define.
2004         (MASK_64BIT): Define to 0 if not already defined.
2005         (OPT_ARCH64, OPT_ARCH32): Define.
2006         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
2007         and tune_64.
2008
2009 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2010
2011         * config/arm/arm.c (arm_override_options): Emit error on using
2012         fpa with AAPCS.
2013
2014 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2015
2016         PR rtl-optimization/39914
2017         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2018         registers for allocnos created from user-defined variables only
2019         when not optimizing.
2020
2021 2009-04-28  Richard Guenther  <rguenther@suse.de>
2022
2023         PR middle-end/39937
2024         * fold-const.c (fold_binary): Use distribute_real_division only
2025         on float types.
2026
2027 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
2028
2029         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
2030         add hpux-stdint.h to tm_file.
2031         (hppa[12]*-*-hpux11*): Ditto.
2032         (ia64*-*-hpux*): Ditto.
2033         * config/hpux-stdint.h: New.
2034         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
2035         __STDC_EXT__ for all compiles.
2036         * config/pa/pa-hpux.h: Ditto.
2037         * config/pa/pa-hpux10.h: Ditto.
2038         * config/pa/pa-hpux11.h: Ditto.
2039
2040 2009-04-28  Catherine Moore  <clm@codesourcery.com>
2041
2042         * debug.h (set_name): Add comment.
2043
2044 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
2045
2046         PR target/39929
2047         * config/darwin.c (machopic_gen_offset): Check
2048         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
2049         * config/arm/arm.c (require_pic_register): Likewise.
2050
2051 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
2052
2053         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
2054         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
2055         m32c_promote_prototypes): Delete.
2056
2057 2009-04-28  Michael Matz  <matz@suse.de>
2058
2059         PR middle-end/39922
2060         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
2061         constants.
2062
2063 2009-04-28  Richard Guenther  <rguenther@suse.de>
2064
2065         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
2066
2067 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2068
2069         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
2070         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
2071         * config/arm/arm-tune.md: Regenerate.
2072
2073 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
2074
2075         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
2076         block if there are complex incoming edges.
2077         (sel_merge_blocks): Remove useless assert.
2078         (sel_redirect_edge_and_branch): Check that edge was redirected.
2079         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
2080         (sel_find_rgns): Delete declaration.
2081         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
2082         the region when it is not a preheader.
2083
2084 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2085
2086         PR c/39323
2087         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
2088
2089 2009-04-28  Richard Guenther  <rguenther@suse.de>
2090
2091         * tree.h (SSA_NAME_VALUE): Remove.
2092         (struct tree_ssa_name): Remove value_handle member.
2093         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
2094         array for jump threading.
2095         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
2096         SSA_NAME_VALUEs.
2097         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
2098         * tree-flow.h (threadedge_initialize_values): Declare.
2099         (threadedge_finalize_values): Likewise.
2100         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
2101         (SSA_NAME_VALUE): Define.
2102         (threadedge_initialize_values): New function.
2103         (threadedge_finalize_values): Likewise.
2104         * tree-ssa-dom.c (ssa_name_values): New global variable.
2105         (SSA_NAME_VALUE): Define.
2106         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
2107
2108 2009-04-28  Ira Rosen  <irar@il.ibm.com>
2109
2110         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
2111         Use REPORT_VECTORIZED_LOCATIONS instead
2112         REPORT_VECTORIZED_LOOPS.
2113         * tree-vectorizer.c (vect_verbosity_level): Make static.
2114         (vect_loop_location): Rename to vect_location.
2115         (vect_set_verbosity_level): Update comment.
2116         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
2117         and vect_location.
2118         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
2119         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
2120         instead REPORT_UNVECTORIZED_LOOPS.
2121         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
2122         and vect_loop_def to vect_external_def and vect_internal_def.
2123         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
2124         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and
2125         REPORT_UNVECTORIZED_LOCATIONS.
2126         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
2127         and vect_used_in_loop and to vect_unused_in_scope and
2128         vect_used_in_scope.
2129         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
2130         (vect_verbosity_level): Remove declaration.
2131         (vect_analyze_operations): Likewise.
2132         (vect_analyze_stmt): Declare.
2133         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
2134         REPORT_UNVECTORIZED_LOCATIONS.
2135         (vect_get_loop_niters): Fix indentation.
2136         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
2137         (vect_analyze_loop_operations): New function.
2138         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
2139         vect_analyze_operations.
2140         (vect_is_simple_reduction): Use new names.
2141         (vectorizable_live_operation, vect_transform_loop): Likewise.
2142         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
2143         to specify whether the data references can be a part of interleaving
2144         chain.
2145         (vect_analyze_data_ref_dependence): Use new names.
2146         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
2147         (vect_create_addr_base_for_vector_ref): Remove redundant code.
2148         * tree-vect-patterns.c (widened_name_p): Use new names.
2149         (vect_recog_dot_prod_pattern): Likewise.
2150         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
2151         (process_use, vect_mark_stmts_to_be_vectorized,
2152         vect_model_simple_cost, vect_model_store_cost,
2153         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
2154         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2155         vectorizable_operation, vectorizable_type_demotion,
2156         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
2157         vectorizable_condition): Likewise.
2158         (vect_analyze_operations): Split into vect_analyze_loop_operations
2159         and ...
2160         (vect_analyze_stmt): ... new function.
2161         (new_stmt_vec_info): Use new names.
2162         (vect_is_simple_use): Use new names and fix comment.
2163         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
2164         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
2165
2166 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2167
2168         PR target/39911
2169         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
2170         and integer modes for x87 operands.  Do not ICE for unsupported size,
2171         generate error instead.  Generate error for unsupported operand types.
2172         ['z']: Do not handle HImode memory operands specially.  Warning
2173         for floating-point operands.  Fallthru to 'Z' for unsupported operand
2174         types.  Do not ICE for unsupported size, generate error instead.
2175         (output_387_binary_op): Use %Z to output operands.
2176         (output_fp_compare): Ditto.
2177         (output_387_reg_move): Ditto.
2178
2179 2009-04-28  Ben Elliston  <bje@au.ibm.com>
2180
2181         PR c++/35652
2182         Revert:
2183
2184         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2185
2186         * builtins.c (c_strlen): Do not warn here.
2187         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2188         * c-common.c (pointer_int_sum): Take an explicit location.
2189         Warn about offsets out of bounds.
2190         * c-common.h (pointer_int_sum): Adjust declaration.
2191
2192 2009-04-27  Ian Lance Taylor  <iant@google.com>
2193
2194         * collect2.c (is_ctor_dtor): Change type of ret field in struct
2195         names to symkind.
2196         * dce.c (run_fast_df_dce): Change type of old_flags to int.
2197         * df-core.c (df_set_flags): Change return type to int.  Change
2198         type of old_flags to int.
2199         (df_clear_flags): Likewise.
2200         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
2201         (df_get_conditional_uses): Likewise.
2202         * df.h (df_set_flags, df_clear_flags): Update declarations.
2203         * dwarf2out.c (struct indirect_string_node): Change type of form
2204         field to enum dwarf_form.
2205         (AT_string_form): Change return type to enum dwarf_form.
2206         * fixed-value.c (fixed_compare): Add cast to enum type.
2207         * fwprop.c (update_df): Change 0 to VOIDmode.
2208         * gensupport.c: Change 0 to UNKNOWN.
2209         * gimple.h (gimple_cond_code): Add cast to enum type.
2210         * haifa-sched.c (reemit_notes): Add cast to enum type.
2211         * hooks.c (hook_int_void_no_regs): Remove function.
2212         * hooks.h (hook_int_void_no_regs): Remove declaration.
2213         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
2214         * predict.c (combine_predictions_for_insn): Add casts to enum type.
2215         * real.c (real_arithmetic): Add cast to enum type.
2216         (real_compare): Likewise.
2217         * target.h (struct gcc_target): Change return type of
2218         branch_target_register_class to enum reg_class.
2219         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
2220         default_branch_target_register_class.
2221         * targhooks.c (default_branch_target_register_class): New function.
2222         * targhooks.h (default_branch_target_register_class): Declare.
2223         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
2224         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
2225         cast to int.
2226         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
2227         ERROR_MARK.
2228         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
2229         vect_uninitialized_def.  Change 0 to ERROR_MARK.
2230         * tree-vect-stmts.c (supportable_widening_operation): Don't
2231         initialize icode1 and icode2.
2232         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
2233         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
2234         and to STD_C89.
2235         (cmn_err_flag_specs): Change 0 to STD_C89.
2236         (cmn_err_char_table): Likewise.
2237         * config/arm/arm.c (get_arm_condition_code): Change type of code
2238         to enum arm_cond_code.
2239         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
2240         (IWMMXT_BUILTIN2): Likewise.
2241         (neon_builtin_type_bits): Don't define typedef.
2242         (neon_builtin_datum): Change type of bits field to int.
2243         (arm_expand_neon_args): Add cast to enum type.
2244         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
2245         TLS_MODEL_NONE.
2246         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
2247         casts to enum type.
2248         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
2249         MIPS_FP_COND_f.
2250         * config/mips/mips.md (jal_macro): Return enum constant.
2251         (single_insn): Likewise.
2252         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
2253         CODE_FOR_nothing.
2254         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2255         casts to enum type.
2256         * config/s390/s390.c (s390_tune_flags): Change type to int.
2257         (s390_arch_flags): Likewise.
2258         (s390_handle_arch_option): Change flags field of struct pta to int.
2259         * config/s390/s390.h (s390_tune_flags): Update declaration.
2260         (s390_arch_flags): Likewise.
2261         * config/sh/sh.c (prepare_move_operands): Compare
2262         tls_symbolic_operand result with enum constant.
2263         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
2264         (sh_expand_prologue): Add cast to enum type.
2265         (sh_expand_epilogue): Likewise.
2266         (tls_symbolic_operand): Change return type to enum tls_model.
2267         (fpscr_set_from_mem): Add cast to enum type.
2268         (legitimize_pic_address): Compare tls_symbolic_operand result with
2269         enum constant.
2270         (sh_target_reg_class): Change return type to enum reg_class.
2271         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
2272         PROCESSOR_xxx.
2273         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
2274         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
2275         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
2276         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
2277         (delayed_branch, tls_call_delay): Likewise.
2278         (eligible_for_sibcall_delay): Likewise.
2279         (eligible_for_return_delay): Likewise.
2280         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
2281         (spu_expand_builtin_1): Likewise.
2282
2283         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
2284         for all types of conversions.
2285         (output_init_element): Issue -Wc++-compat warning if needed when
2286         initializing a bitfield with enum type.
2287         * c-parser.c (c_parser_expression): Set original_type to
2288         original_type of right hand operand of comman operator.
2289
2290 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2291
2292         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
2293         grammar nits.
2294         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
2295         * doc/cpp.texi (Standard Predefined Macros)
2296         (Implementation-defined behavior): Likewise.
2297         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
2298         * doc/gimple.texi (GIMPLE Exception Handling)
2299         (@code{GIMPLE_ASSIGN}): Likewise.
2300         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
2301         * doc/invoke.texi (Warning Options, Optimize Options)
2302         (AVR Options, Darwin Options): Likewise.
2303         (Optimize Options): Reformulate -fwhole-program description.
2304         * doc/loop.texi (Lambda): Likewise.
2305         * doc/md.texi (Output Template, Define Constraints)
2306         (Standard Names, Insn Splitting): Likewise.
2307         * doc/options.texi (Option properties): Likewise.
2308         * doc/passes.texi (Tree-SSA passes): Likewise.
2309         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
2310         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
2311         (File Names and DBX): Likewise.
2312         * doc/trouble.texi (Incompatibilities): Likewise.
2313
2314 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2315
2316         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
2317         instruction is correct.
2318
2319 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2320
2321         Allow non-constant arguments to conversion intrinsics.
2322         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
2323         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
2324         * spu.c (print_operand): Handle 'v' and 'w'.
2325         (exp2_immediate_p, spu_gen_exp2): Define.
2326         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
2327         spu_convtf_1): Update parameter descriptions.
2328         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
2329         * constraints.md ('v', 'w'): New.
2330         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
2331         Remove.
2332         (i2f, I2F): New define_mode_attr.
2333         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
2334         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
2335         fixuns_truncv4sfv4si2):  Update to use mode attribute.
2336         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
2337         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
2338         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
2339         patterns for combine.
2340
2341 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
2342
2343         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
2344         (cprop, hoist, pre, store_motion): New debug counters.
2345         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
2346         is not an RTL pass anymore.
2347         (pass_profiling): Remove extern decl for pass removed in 2005.
2348         (pass_gcse, pass_jump_bypass): Remove.
2349         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
2350         to 0 for clean state.
2351         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
2352         * cse.c (gate_handle_cse_after_global_opts,
2353         rest_of_handle_cse_after_global_opts): New functions.
2354         (pass_cse_after_global_opts): New pass, does local CSE.
2355         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
2356         (TV_CPROP): New timevar.
2357         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
2358         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
2359         (gcse_main, recompute_all_luids): Remove.
2360         (compute_hash_table_work): Call max_reg_num instead of reading
2361         max_gcse_regno.
2362         (cprop_jump): Don't set run_jump_opt_after_gcse.
2363         (constprop_register): Always allow to alter jumps.
2364         (cprop_insn): Likewise.
2365         (do_local_cprop): Likewise.
2366         (local_cprop_pass): Likewise.  Return non-zero if something changed.
2367         (cprop): Remove function, fold interesting bits into one_cprop_pass.
2368         (find_implicit_sets): Add note about missed optimization opportunity.
2369         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
2370         pass_rtl_cprop execute function.
2371         Don't bother tracking the pass number, each pass gets its own dumpfile
2372         now anyway.
2373         Always allow to alter jumpsand bypass jumps.
2374         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
2375         will just find no suitable set.
2376         (pre_edge_insert): Fix dumping, this function is for PRE only.
2377         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
2378         pass_rtl_pre execute function.
2379         (hoist_code): Return non-zero if something changed.  Keep track of
2380         substitutions and insertions for statistics gathering similar to PRE.
2381         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
2382         called from the pass_rtl_hoist execute function.  Show pass statistics.
2383         (compute_store_table): Use max_reg_num directly instead of using the
2384         formerly global max_gcse_regno.
2385         (build_store_vectors): Likewise.
2386         (replace_store_insn): Fix dumping.
2387         (store_motion): Rename to ...
2388         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
2389         pass, called from the pass_rtl_store_motion execute function.  Keep
2390         track of substitutions and insertions for statistics gathering similar
2391         to PRE.
2392         (bypass_jumps): Remove, fold interesting bits into ...
2393         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
2394         from the pass_rtl_cprop execute function.
2395         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
2396         pass_jump_bypass): Remove.
2397         (gate_handle_gcse, rest_of_handle_gcse): Remove.
2398         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
2399         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
2400         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
2401         (gate_rtl_store_motion, execute_rtl_store_motion,
2402         pass_rtl_store_motion): New.
2403         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
2404         make it clear that -fcse-skip-blocks is a no-op for backward compat.
2405         * passes.c (init_optimization_passes): Remove pass_gcse and
2406         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
2407         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
2408         instead of pass_jump_bypass.
2409
2410 2009-04-27  Richard Guenther  <rguenther@suse.de>
2411
2412         PR middle-end/39928
2413         * gimplify.c (gimplify_expr): If we are required to create
2414         a temporary make sure it ends up as register.
2415
2416 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2417
2418         PR target/39903
2419         * config/i386/i386.c (construct_container): Don't call
2420         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
2421         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
2422
2423 2009-04-27  Michael Matz  <matz@suse.de>
2424
2425         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
2426         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
2427         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
2428         (dump_replaceable_exprs): Take a bitmap.
2429         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
2430         array.
2431         (expand_gimple_basic_block): Likewise.
2432         * tree-ssa-ter.c (struct temp_expr_table_d): Make
2433         replaceable_expressions member a bitmap.
2434         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
2435         (mark_replaceable): Likewise.
2436         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
2437         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
2438
2439 2009-04-27  Richard Guenther  <rguenther@suse.de>
2440
2441         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
2442         (verify_stmts): Dispatch to gimple/type verification code.
2443         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
2444         issue with call argument types.
2445
2446 2009-04-27  Michael Matz  <matz@suse.de>
2447
2448         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
2449         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
2450         to above.
2451
2452 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
2453             Eric Botcazou  <ebotcazou@adacore.com>
2454
2455         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
2456         a label's basic block.
2457         (mark_target_live_regs): Tidy and rework obsolete comments.
2458         Change back DF problem to LIVE.  If a label starts a basic block,
2459         assume that all registers that used to be live then still are.
2460         (init_resource_info): If a label starts a basic block, set its
2461         BLOCK_FOR_INSN accordingly.
2462         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
2463
2464 2009-04-27  Richard Guenther  <rguenther@suse.de>
2465
2466         * tree-flow-inline.h (function_ann): Remove.
2467         (get_function_ann): Likewise.
2468         * tree-dfa.c (create_function_ann): Remove.
2469         * tree-flow.h (struct static_var_ann_d): Remove.
2470         (struct function_ann_d): Likewise.
2471         (union tree_ann_d): Remove fdecl member.
2472         (function_ann_t): Remove.
2473         (function_ann, get_function_ann, create_function_ann): Remove
2474         declarations.
2475
2476 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
2477
2478         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
2479
2480 2009-04-27  Jan Hubicka  <jh@suse.cz>
2481
2482         * ipa-pure-const.c (struct funct_state_d): New fields
2483         state_previously_known, looping_previously_known; remove
2484         state_set_in_source.
2485         (analyze_function): Use new fields.
2486         (propagate): Avoid assumption that state_set_in_source imply
2487         nonlooping.
2488
2489         * tree-ssa-loop-niter.c (finite_loop_p): New function.
2490         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
2491         * cfgloop.h (finite_loop_p): Declare.
2492
2493 2009-04-26  Michael Matz  <matz@suse.de>
2494
2495         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
2496
2497 2009-04-26  Michael Matz  <matz@suse.de>
2498
2499         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
2500         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
2501         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
2502         pass_mark_used_blocks): Remove.
2503         * tree-optimize.c (pass_free_datastructures,
2504         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
2505         * passes.c (init_optimization_passes): Don't call
2506         pass_mark_used_blocks, remove dead code.
2507
2508 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
2509
2510         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
2511         * tree-ssa-live.h (register_ssa_partition): Likewise.
2512
2513 2009-04-26  Michael Matz  <matz@suse.de>
2514
2515         Expand from SSA.
2516         * builtins.c (fold_builtin_next_arg): Handle SSA names.
2517         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
2518         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
2519         SSA names.
2520         (compare_pairs): Swap cost comparison.
2521         (coalesce_ssa_name): Don't use change_partition_var.
2522         * tree-nrv.c (struct nrv_data): Add modified member.
2523         (finalize_nrv_r): Set it.
2524         (tree_nrv): Use it to update statements.
2525         (pass_nrv): Require PROP_ssa.
2526         * tree-mudflap.c (mf_decl_cache_locals,
2527         mf_build_check_statement_for): Use make_rename_temp.
2528         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
2529         * alias.c (find_base_decl): Handle SSA names.
2530         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
2531         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
2532         * rtl.h (set_reg_attrs_for_parm): Declare.
2533         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
2534         to "optimized", remove unused locals at finish.
2535         (execute_free_datastructures): Make global, call
2536         delete_tree_cfg_annotations.
2537         (execute_free_cfg_annotations): Don't call
2538         delete_tree_cfg_annotations.
2539
2540         * ssaexpand.h: New file.
2541         * expr.c (toplevel): Include ssaexpand.h.
2542         (expand_assignment): Handle SSA names the same as register variables.
2543         (expand_expr_real_1): Expand SSA names.
2544         * cfgexpand.c (toplevel): Include ssaexpand.h.
2545         (SA): New global variable.
2546         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
2547         (SSAVAR): New macro.
2548         (set_rtl): New helper function.
2549         (add_stack_var): Deal with SSA names, use set_rtl.
2550         (expand_one_stack_var_at): Likewise.
2551         (expand_one_stack_var): Deal with SSA names.
2552         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
2553         before unique numbers.
2554         (expand_stack_vars): Use set_rtl.
2555         (expand_one_var): Accept SSA names, add asserts for them, feed them
2556         to above subroutines.
2557         (expand_used_vars): Expand all partitions (without default defs),
2558         then only the local decls (ignoring those expanded already).
2559         (expand_gimple_cond): Remove edges when jumpif() expands an
2560         unconditional jump.
2561         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
2562         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
2563         SSA name.
2564         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
2565         members of SA; deal with PARM_DECL partitions here; expand
2566         all PHI nodes, free tree datastructures and SA.  Commit instructions
2567         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
2568         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
2569         info and statements at start, collect garbage at finish.
2570         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
2571         (VAR_ANN_PARTITION) Remove.
2572         (change_partition_var): Don't declare.
2573         (partition_to_var): Always return SSA names.
2574         (var_to_partition): Only accept SSA names.
2575         (register_ssa_partition): Only check argument.
2576         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
2577         member.
2578         (delete_var_map): Don't free it.
2579         (var_union): Only accept SSA names, simplify.
2580         (partition_view_init): Mark only useful SSA names as used.
2581         (partition_view_fini): Only deal with SSA names.
2582         (change_partition_var): Remove.
2583         (dump_var_map): Use ssa_name instead of partition_to_var member.
2584         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
2585         basic blocks.
2586         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
2587         (struct _elim_graph): New member const_dests; nodes member vector of
2588         ints.
2589         (set_location_for_edge): New static helper.
2590         (create_temp): Remove.
2591         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
2592         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
2593         (new_elim_graph): Allocate const_dests member.
2594         (clean_elim_graph): Truncate const_dests member.
2595         (delete_elim_graph): Free const_dests member.
2596         (elim_graph_size): Adapt to new type of nodes member.
2597         (elim_graph_add_node): Likewise.
2598         (eliminate_name): Likewise.
2599         (eliminate_build): Don't take basic block argument, deal only with
2600         partition numbers, not variables.
2601         (get_temp_reg): New static helper.
2602         (elim_create): Use it, deal with RTL temporaries instead of trees.
2603         (eliminate_phi): Adjust all calls to new signature.
2604         (assign_vars, replace_use_variable, replace_def_variable): Remove.
2605         (rewrite_trees): Only do checking.
2606         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
2607         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
2608         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
2609         contains_tree_r, MAX_STMTS_IN_LATCH,
2610         process_single_block_loop_latch, analyze_edges_for_bb,
2611         perform_edge_inserts): Remove.
2612         (expand_phi_nodes): New global function.
2613         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
2614         functions, initialize new parameter, remember partitions having a
2615         default def.
2616         (finish_out_of_ssa): New global function.
2617         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
2618         don't reset in_ssa_p here, don't disable TER when mudflap.
2619         (pass_del_ssa): Remove.
2620         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
2621         partition members.
2622         (execute_free_datastructures): Declare.
2623         * Makefile.in (SSAEXPAND_H): New variable.
2624         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
2625         * basic-block.h (commit_one_edge_insertion): Declare.
2626         * passes.c (init_optimization_passes): Move pass_nrv and
2627         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
2628         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
2629         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
2630         (redirect_branch_edge): Deal with super block when expanding, split
2631         out jump patching itself into ...
2632         (patch_jump_insn): ... here, new static helper.
2633
2634 2009-04-26  Michael Matz  <matz@suse.de>
2635
2636         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
2637         beyond num_ssa_names.
2638         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
2639         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
2640
2641 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
2642
2643         PR inline-asm/39543
2644         * fwprop.c (forward_propagate_asm): New function.
2645         (forward_propagate_and_simplify): Propagate also into __asm, if it
2646         doesn't increase the number of referenced registers.
2647
2648         PR c/39889
2649         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
2650
2651 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
2652
2653         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
2654         note_nonlocal_vla_type for nonlocal VLAs.
2655         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
2656         contains_remapped_vars, remap_vla_decls): New functions.
2657         (convert_nonlocal_reference_stmt): If not optimizing, call
2658         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
2659         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
2660         if it wasn't found in var_map.
2661         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
2662         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
2663         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
2664         declare_vars.
2665         * gimplify.c (nonlocal_vlas): New variable.
2666         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
2667         referenced VLAs.
2668         (gimplify_body): Create and destroy nonlocal_vlas.
2669
2670         * dwarf2out.c (loc_descr_plus_const): New function.
2671         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
2672         mem_loc_descriptor, loc_descriptor_from_tree_1,
2673         descr_info_loc, gen_variable_die): Use it.
2674
2675         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
2676         !TREE_STATIC VAR_DECLs.
2677         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
2678         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
2679         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
2680         DECL_BY_REFERENCE is valid.
2681         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
2682         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
2683         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
2684         Copy DECL_BY_REFERENCE.
2685         (struct nesting_copy_body_data): New type.
2686         (nesting_copy_decl): New function.
2687         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
2688         if they have variable length.
2689
2690 2009-04-26  Michael Matz  <matz@suse.de>
2691
2692         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
2693         mark new temporaries for renaming.
2694
2695 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
2696
2697         PR c/39581
2698         * c-decl.c (global_bindings_p): Return negative value.
2699         (c_variable_size): New.  Based on variable_size from
2700         stor-layout.c.
2701         (grokdeclarator): Call c_variable_size not variable_size.
2702
2703 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
2704
2705         * config/i386/i386.c (print_operand) ['z']: Fix typo.
2706
2707 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
2708
2709         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
2710         Redefine it to just use mingw/include.
2711         (ASM_SPEC): Rules for -m32 and -m64.
2712         (LINK_SPEC): Use Likewise.
2713         (SPEC_32): New define.
2714         (SPEC_64): Likewise.
2715         (SUB_LINK_SPEC): Likewise.
2716         (MULTILIB_DEFAULTS): New define.
2717         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
2718         Add multilib options.
2719         (MULTILIB_DIRNAMES): Likewise.
2720         (MULTILIB_OSDIRNAMES): Likewise.
2721         (LIBGCC): Likewise.
2722         (INSTALL_LIBGCC): Likewise.
2723
2724 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
2725
2726         PR c/39556
2727         * c-tree.h (enum c_inline_static_type): New.
2728         (record_inline_static): Declare.
2729         * c-decl.c (struct c_inline_static, c_inline_statics,
2730         record_inline_static, check_inline_statics): New.
2731         (pop_file_scope): Call check_inline_statics.
2732         (start_decl): Call record_inline_static instead of pedwarning
2733         directly for static in inline function.
2734         * c-typeck.c (build_external_ref): Call record_inline_static
2735         instead of pedwarning directly for static referenced in inline
2736         function.
2737
2738 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
2739
2740         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
2741         not new but only being rescanned.
2742         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
2743         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
2744         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
2745         record_set_info, compute_set, grealloc): Remove.
2746         (recompute_all_luids): New function.
2747         (gcse_main): Don't compute sets, and don't do related memory
2748         allocations/free-ing.  If something changed before the end of the
2749         pass, update LUIDs using recompute_all_luids.
2750         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
2751         (free_gcse_mem): Don't free it either.
2752         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
2753         Use the df insn LUIDs.
2754         (load_killed_in_block): Likewise.
2755         (compute_hash_table_work): Don't compute reg_set_in_block.
2756         (compute_transp): Use DF_REG_DEF_CHAINs.
2757         (local_cprop_pass): Don't use compute_sets and related functions.
2758         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
2759         Use get_max_uid() instead of max_cuid.
2760         (insert_insn_end_basic_block, pre_insert_copy_insn,
2761         update_ld_motion_stores): Don't try to
2762         keep reg_set tables up to date.
2763         (pre_insert_copies): Use df insn LUIDs.
2764         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
2765         (reg_set_info): Don't use extra bitmap argument.
2766         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
2767         information to compute regs_set_in_block.
2768         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
2769         (bypass_jumps): Don't use compute_sets and friends.
2770
2771 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2772
2773         PR testsuite/39710
2774         * opts.c (undocumented_msg): Do not leave blank even with
2775         ENABLE_CHECKING.
2776
2777 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2778
2779         * c-decl.c (build_enumerator): Allow values folding to integer
2780         constants but not integer constant expressions with a pedwarn if
2781         pedantic.
2782
2783 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2784
2785         PR c/39582
2786         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
2787         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
2788         type is an integer constant.
2789
2790 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
2791
2792         PR target/39897
2793         * config/i386/i386.c (print_operand) ['z']: Revert handling of
2794         HImode operands.
2795
2796 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2797
2798         PR c/39564
2799         * c-decl.c (grokdeclarator): Diagnose declarations of functions
2800         with variably modified return type and no storage class
2801         specifiers, except for the case of nested functions.  Distinguish
2802         extern declarations of functions with variably modified return
2803         types from those of objects with variably modified types.
2804
2805 2009-04-25  Jan Hubicka  <jh@suse.cz>
2806
2807         * tree.c (list_equal_p): New function.
2808         * tree.h (list_equal_p): Declare.
2809         * coretypes.h (edge_def, edge, const_edge, basic_block_def
2810         basic_block_def, basic_block, const_basic_block): New.
2811         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
2812         (redirect_eh_edge): New function.
2813         (make_eh_edge_update_phi): EH edges are not abnormal.
2814         * except.c: Include tree-flow.h.
2815         (list_match): New function.
2816         (eh_region_replaceable_by_p): New function.
2817         (replace_region): New function.
2818         (hash_type_list): New function.
2819         (hash_eh_region): New function.
2820         (eh_regions_equal_p): New function.
2821         (merge_peers): New function.
2822         (remove_unreachable_regions): Verify EH tree when checking;
2823         merge peers.
2824         (copy_eh_region_1): New function.
2825         (copy_eh_region): New function.
2826         (push_reachable_handler): New function.
2827         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
2828         regions without label but with live RESX.
2829         * except.h (redirect_eh_edge_to_label): New.
2830         * tree-flow.h (redirect_eh_edge): New.
2831         * coretypes.h (edge_def, edge, const_edge, basic_block_def
2832         basic_block_def, basic_block, const_basic_block): Remove.
2833         * Makefile.in (except.o): Add dependency on tree-flow.h
2834         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
2835         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
2836         Remove.
2837
2838 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
2839
2840         PR bootstrap/39645
2841         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
2842         on the destination of memcpy.
2843
2844 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
2845
2846         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
2847         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
2848         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
2849
2850 2009-04-25  Jan Hubicka  <jh@suse.cz>
2851
2852         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
2853         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
2854         to be reached by different label than left.
2855         (update_eh_edges): Update comment; remove edge_to_remove if possible
2856         and return true if suceeded.
2857         (cleanup_empty_eh): Accept sharing map; handle shared regions.
2858         (cleanup_eh): Compute sharing map.
2859         * except.c (remove_eh_handler_and_replace): Add argument if we should
2860         update regions.
2861         (remove_unreachable_regions): Update for label sharing.
2862         (label_to_region_map): Likewise.
2863         (get_next_region_sharing_label): New function.
2864         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
2865         prev_try pointers.
2866         (remove_eh_handler): Update.
2867         (remove_eh_region_and_replace_by_outer_of): New function.
2868         * except.h (struct eh_region): Add next_region_sharing_label.
2869         (remove_eh_region_and_replace_by_outer_of,
2870         get_next_region_sharing_label): Declare.
2871         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
2872
2873 2009-04-25  Jan Hubicka  <jh@suse.cz>
2874
2875         * tree-cfg.c (split_critical_edges): Split also edges where we can't
2876         insert code even if they are not critical.
2877
2878 2009-04-25  Jan Hubicka  <jh@suse.cz>
2879
2880         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2881         (gimple_can_remove_branch_p): EH edges won't remove branch by
2882         redirection.
2883         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
2884         updating of non-abnormal EH edges.
2885         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2886         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
2887         (split_critical_edges): Split also edges where emitting code on them
2888         will lead to splitting later.
2889
2890 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
2891             H.J. Lu  <hongjiu.lu@intel.com>
2892
2893         PR target/39590
2894         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
2895         the configured assembler supports fildq and fistpq mnemonics.
2896         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
2897         * configure: Regenerated.
2898         * config.in: Ditto.
2899
2900         * config/i386/i386.c (print_operand): Handle 'Z'.
2901         ['z']: Remove handling of special fild/fist suffixes.
2902         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
2903         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
2904         suffix of fild insn.
2905         (*floatsi<mode>2_vector_mixed): Ditto.
2906         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
2907         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
2908         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2909         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
2910         * config/i386/gas.h (GAS_MNEMONICS): Remove.
2911
2912 2009-04-25  Ben Elliston  <bje@au.ibm.com>
2913
2914         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
2915         the source of a set operation.
2916
2917 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
2918
2919         * target.h (struct gcc_target): Add case_values_threshold field.
2920         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
2921         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
2922         * targhooks.c (default_case_values_threshold): New function.
2923         * targhooks.h (default_case_values_threshold): Declare function.
2924         * stmt.c (expand_case): Use case_values_threshold target hook.
2925         * expr.h (case_values_threshold): Remove declartation.
2926         * expr.c (case_values_threshold): Remove function.
2927         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
2928
2929         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
2930         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
2931         (avr_case_values_threshold): Declare as static.
2932         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
2933
2934         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
2935         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
2936         (mn10300_case_values_threshold): New function.
2937
2938 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
2939
2940         * ira.c (setup_cover_and_important_classes): Add enum cast.
2941
2942 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
2943
2944         * genpreds.c (write_enum_constraint_num): Output definition of
2945         CONSTRAINT_NUM_DEFINED_P macro.
2946         * ira.c (setup_cover_and_important_classes): Use
2947         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
2948
2949 2009-04-24  DJ Delorie  <dj@redhat.com>
2950
2951         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
2952         __SH2A_SINGLE_ONLY__ also.
2953
2954 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
2955
2956         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
2957         (movdf_internal): Ditto.
2958         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
2959         SFmode and DFmode constants.
2960         (ia64_print_operand): Add 'G' format for printing
2961         floating point constants.
2962
2963 2009-04-24  Richard Guenther  <rguenther@suse.de>
2964
2965         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
2966         from unsigned additions.
2967
2968 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
2969
2970         * c-typeck.c (set_init_index): Allow array designators that are
2971         not integer constant expressions with a pedwarn if pedantic.
2972
2973 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2974
2975         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
2976         zero if no overlap in nonzero bits between the operands.
2977
2978 2009-04-24  Ian Lance Taylor  <iant@google.com>
2979
2980         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
2981         (record_dead_and_set_regs): Likewise.
2982         * df.h (struct df_mw_hardreg): Change flags field to int.
2983         (struct df_base_ref): Likewise.
2984         (struct df): Change changeable_flags field to int.
2985         * df-scan.c (df_defs_record): Change clobber_flags to int.
2986         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
2987         constants rather than #define macros.
2988         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
2989         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
2990         (enum dwarf_calling_convention): Likewise.
2991         (enum dwarf_line_number_x_ops): Likewise.
2992         (enum dwarf_call_frame_info): Likewise.
2993         (enum dwarf_source_language): Likewise.
2994         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
2995         (add_calling_convention_attribute): Likewise.
2996         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
2997         (combine_comparisons): Change compcode to int.  Add cast to enum type.
2998         * genrecog.c (maybe_both_true_2): Change c to int.
2999         (write_switch): Likewise.  Add cast to enum type.
3000         * gimplify.c (gimplify_omp_for): Handle return values from
3001         gimplify_expr using MIN rather than bitwise or.
3002         (gimplify_expr): Add cast to enum type.
3003         * ipa-prop.c (update_jump_functions_after_inlining): Change
3004         IPA_BOTTOM to IPA_JF_UNKNOWN.
3005         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
3006         Add casts to enum type.
3007         (setup_cover_and_important_classes): Change cl to int.  Add casts
3008         to enum type.
3009         (setup_class_translate): Change cl and mode to int.
3010         (ira_init_once): Change mode to int.
3011         (free_register_move_costs): Likewise.
3012         (setup_prohibited_mode_move_regs): Add casts to enum type.
3013         * langhooks.c (add_builtin_function_common): Rework assertion that
3014         value fits bitfield.
3015         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
3016         * omega.c (omega_do_elimination): Avoid math on enum types.
3017         * optabs.c (expand_vec_shift_expr): Remove casts to int.
3018         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
3019         int local to handle integral_argment value.
3020         * regmove.c (try_auto_increment): Change PUT_MODE to
3021         PUT_REG_NOTE_KIND.
3022         * reload.c (push_secondary_reload): Add casts to enum type.
3023         (secondary_reload_class, find_valid_class): Likewise.
3024         * reload1.c (emit_input_reload_insns): Likewise.
3025         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
3026         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
3027         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
3028         constant.
3029         * tree.c (build_common_builtin_nodes): Add casts to enum type.
3030         * tree-complex.c (complex_lattice_t): Typedef to int rather than
3031         enum type.
3032         (expand_complex_libcall): Add casts to enum type.
3033         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
3034         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
3035         with ERROR_MARK, not NUM_TREE_CODES.
3036         (vect_create_epilog_for_reduction): Likewise.
3037         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
3038         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
3039         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
3040         enum machine_mode.
3041         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
3042         vect_unused_in_loop.  Change 0 to loop_vect.
3043         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
3044         * var-tracking.c (get_init_value): Change return type to enum
3045         var_init_status.
3046         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
3047         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
3048         arm_fp_model.
3049         (arm_override_options): Add casts to enum type.
3050         (arm_emit_tls_decoration): Likewise.
3051         * config/i386/i386.c (ix86_function_specific_restore): Add casts
3052         to enum type.
3053         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
3054         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
3055         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
3056         enum type.
3057         * config/s390/s390.c (code_for_builtin_64): Change to array of
3058         enum insn_code.
3059         (code_for_builtin_31): Likewise.
3060         (s390_expand_builtin): Change code_for_builtin to enum insn_code
3061         const *.
3062         * config/sparc/sparc.c (sparc_override_options): Change value
3063         field in struct code_model to enum cmodel.  In initializer change
3064         0 to NULL and add cast to enum type.
3065
3066         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
3067         Change all callers.  Issue a -Wc++-compat warning using
3068         lhs_origtype if necessary.
3069         (convert_for_assignment): Issue -Wc++-compat warnings about
3070         invalid conversions to enum type on assignment.
3071         * c-common.h (build_modify_expr): Update declaration.
3072
3073 2009-04-24  Nick Clifton  <nickc@redhat.com>
3074
3075         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
3076         (function_arg_advance): Likewise.
3077         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
3078         5th alternative.
3079
3080 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3081
3082         * config/s390/constraints.md ('I', 'J'): Fix condition.
3083
3084 2009-04-24  Diego Novillo  <dnovillo@google.com>
3085
3086         * gengtype-parse.c (parse_error): Add newline after message.
3087
3088 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3089
3090         * config/i386/sse.md (avxmodesuffixs): Removed.
3091         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
3092         (*avx_pinsr<ssevecsize>): This.
3093
3094 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3095
3096         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
3097         follow chains of regs with a single definition, and allow expressions
3098         that are function_invariant_p.
3099         (simple_rhs_p): Allow expressions that are function_invariant_p.
3100
3101 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
3102
3103         PR middle-end/39867
3104         * fold-const.c (fold_cond_expr_with_comparison): When folding
3105         > and >= to MAX, make sure the MAX uses the same type as the
3106         comparison's operands.
3107
3108 2009-04-24  Nick Clifton  <nickc@redhat.com>
3109
3110         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
3111         addressing for DImode accesses.
3112         (frv_print_operand_address): Handle PLUS case.
3113         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
3114
3115 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
3116
3117         PR rtl-optimization/39794
3118         * alias.c (canon_true_dependence): Add x_addr argument.
3119         * rtl.h (canon_true_dependence): Adjust prototype.
3120         * cse.c (check_dependence): Adjust canon_true_dependence callers.
3121         * cselib.c (cselib_invalidate_mem): Likewise.
3122         * gcse.c (compute_transp): Likewise.
3123         * dse.c (scan_reads_nospill): Likewise.
3124         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
3125         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
3126         canon_base_addr of the group, plus optional offset.
3127         (struct group_info): Rename canon_base_mem to
3128         canon_base_addr.
3129         (get_group_info): Set canon_base_addr to canon_rtx of base, not
3130         canon_rtx of base_mem.
3131
3132 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
3133
3134         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
3135         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
3136
3137 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3138
3139         * config/spu/spu-builtins.h: Delete file.
3140
3141         * config/spu/spu.h (enum spu_builtin_type): Move here from
3142         spu-builtins.h.
3143         (struct spu_builtin_description): Likewise.  Add GTY marker.
3144         Do not use enum spu_function_code or enum insn_code.
3145         (spu_builtins): Add extern declaration.
3146
3147         * config/spu/spu.c: Do not include "spu-builtins.h".
3148         (enum spu_function_code, enum spu_builtin_type_index,
3149         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
3150         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
3151         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
3152         unsigned_V2DI_type_node): Move here from spu-builtins.h.
3153         (spu_builtin_types): Make static.  Add GTY marker.
3154         (spu_builtins): Add extern declaration with GTY marker.
3155         Include "gt-spu.h".
3156
3157         * config/spu/spu-c.c: Do not include "spu-builtins.h".
3158         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
3159         Check programmatically whether all parameters are scalar.
3160
3161         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
3162
3163 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3164
3165         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
3166         assignment from the constructor either if the target is volatile.
3167
3168 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
3169
3170         * config/arm/arm.md (insv): Do not share operands[0].
3171
3172 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3173
3174         * config/vxlib-tls.c (active_tls_threads): Delete.
3175         (delete_hook_installed): New.
3176         (tls_delete_hook): Don't delete the delete hook.
3177         (tls_destructor): Delete it here.
3178         (__gthread_set_specific): Adjust installing the delete hook.
3179         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
3180         __gthread_leave_tsd_dtor_context.
3181
3182 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
3183
3184         * c-format.c (gcc_tdiag_char_table): Add support for %E.
3185
3186 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
3187
3188         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
3189         enum type.
3190         (alpha_rtx_costs): Ditto.
3191         (emit_unlikely_jump): Use add_reg_note.
3192         (emit_frame_store_1): Ditto.
3193         (alpha_expand_prologue): Ditto.
3194         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3195         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
3196
3197 2009-04-23  Nick Clifton  <nickc@redhat.com>
3198
3199         * config/v850/v850.md (epilogue): Remove suppressed code.
3200         (return): Rename to return_simple and remove test of frame size.
3201         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
3202         to gen_return_simple.
3203
3204 2009-04-22  Jing Yu  <jingyu@google.com>
3205
3206         PR testsuite/39781
3207         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3208
3209 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3210
3211         PR C/31499
3212         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
3213         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
3214         value is a VECTOR_CST, the element type is the element type of the
3215         vector.
3216
3217 2009-04-22  DJ Delorie  <dj@redhat.com>
3218
3219         * config/m32c/m32c.h: Update GTY annotations to new syntax.
3220
3221 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
3222
3223         * alias.c (find_base_term): Move around LO_SUM case, so that
3224         CONST falls through into PLUS/MINUS handling.
3225
3226         PR c/39855
3227         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
3228         into 0, use omit_one_operand.
3229
3230 2009-04-23  Ben Elliston  <bje@au.ibm.com>
3231
3232         * config/rs6000/linux-unwind.h (get_regs): Remove type
3233         puns. Change the type of `pc' to an array of unsigned ints and
3234         update all users.  Constify frame24.
3235
3236 2009-04-22  DJ Delorie  <dj@redhat.com>
3237
3238         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
3239         declarations before code.
3240         (current_function_special_page_vector): Likewise.
3241         (m32c_expand_insv): Silence a warning.
3242
3243 2009-04-21  Taras Glek  <tglek@mozilla.com>
3244
3245         * alias.c: Update GTY annotations to new syntax.
3246         * basic-block.h: Likewise.
3247         * bitmap.h: Likewise.
3248         * c-common.h: Likewise.
3249         * c-decl.c: Likewise.
3250         * c-parser.c: Likewise.
3251         * c-pragma.c: Likewise.
3252         * c-tree.h: Likewise.
3253         * cfgloop.h: Likewise.
3254         * cgraph.h: Likewise.
3255         * config/alpha/alpha.c: Likewise.
3256         * config/arm/arm.h: Likewise.
3257         * config/avr/avr.h: Likewise.
3258         * config/bfin/bfin.c: Likewise.
3259         * config/cris/cris.c: Likewise.
3260         * config/darwin.c: Likewise.
3261         * config/frv/frv.c: Likewise.
3262         * config/i386/i386.c: Likewise.
3263         * config/i386/i386.h: Likewise.
3264         * config/i386/winnt.c: Likewise.
3265         * config/ia64/ia64.h: Likewise.
3266         * config/iq2000/iq2000.c: Likewise.
3267         * config/mips/mips.c: Likewise.
3268         * config/mmix/mmix.h: Likewise.
3269         * config/pa/pa.c: Likewise.
3270         * config/pa/pa.h: Likewise.
3271         * config/rs6000/rs6000.c: Likewise.
3272         * config/s390/s390.c: Likewise.
3273         * config/sparc/sparc.c: Likewise.
3274         * config/xtensa/xtensa.c: Likewise.
3275         * cselib.h: Likewise.
3276         * dbxout.c: Likewise.
3277         * dwarf2out.c: Likewise.
3278         * except.c: Likewise.
3279         * except.h: Likewise.
3280         * fixed-value.h: Likewise.
3281         * function.c: Likewise.
3282         * function.h: Likewise.
3283         * gimple.h: Likewise.
3284         * integrate.c: Likewise.
3285         * optabs.c: Likewise.
3286         * output.h: Likewise.
3287         * real.h: Likewise.
3288         * rtl.h: Likewise.
3289         * stringpool.c: Likewise.
3290         * tree-data-ref.c: Likewise.
3291         * tree-flow.h: Likewise.
3292         * tree-scalar-evolution.c: Likewise.
3293         * tree-ssa-address.c: Likewise.
3294         * tree-ssa-alias.h: Likewise.
3295         * tree-ssa-operands.h: Likewise.
3296         * tree.c: Likewise.
3297         * tree.h: Likewise.
3298         * varasm.c: Likewise.
3299         * varray.h: Likewise.
3300         * vec.h: Likewise.
3301         * coretypes.h: Do not define GTY macro if it is already defined.
3302         * doc/gty.texi: Update GTY documentation to new syntax.
3303         * gengtype-lex.l: Enforce attribute-like syntax for GTY
3304         annotations on structs.
3305         * gengtype-parse.c: Likewise.
3306
3307 2009-04-22  Mark Heffernan  <meheff@google.com>
3308
3309         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
3310
3311 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3312
3313         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
3314         where appropriate.
3315
3316 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3317
3318         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
3319         the same as a PLUS without a shift.  Increase the cost of a
3320         CONST_INT in MULT.
3321
3322 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3323
3324         * Makefile.in: Update dependencies.
3325         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
3326         * errors.h: Remove bogus comment about compatibility.
3327         (warning): Update declaration.
3328         * genautomata.c: Update all calls to warning.
3329         * gimple.c: Do not include errors.h. Include toplev.h.
3330         * tree-ssa-structalias.c: Do not include errors.h.
3331         * omega.c: Likewise.
3332         * tree-ssa-reassoc.c: Likewise.
3333         * config/spu/spu-c.c: Likewise.
3334         * config/spu/t-spu-elf: Update dependencies.
3335
3336 2009-04-22  Richard Guenther  <rguenther@suse.de>
3337
3338         PR tree-optimization/39824
3339         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
3340         make sure the types are compatible.
3341
3342 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3343
3344         PR c++/14875
3345         * c-common.c (c_parse_error): Take a token_flags parameter.
3346         Use token_type for the token type instead.
3347         Pass token_flags to cpp_type2name.
3348         * c-common.h (c_parse_error): Update declaration.
3349         * c-parser.c (c_parser_error): Pass 0 as token flags.
3350
3351 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
3352
3353         PR rtl-optimization/39580
3354         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert.
3355
3356 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3357
3358         * function.c (expand_function_end): Do not emit a jump to the "naked"
3359         return label for fall-through returns.
3360         * except.c (sjlj_emit_function_exit): Always place the call to the
3361         unregister function at the location installed by expand_function_end.
3362
3363 2009-04-22  Richard Guenther  <rguenther@suse.de>
3364
3365         PR tree-optimization/39845
3366         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
3367         (gen_inbound_check): Likewise.
3368
3369 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3370
3371         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
3372         padding for PPC.
3373         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
3374         * config/vxlib.c (__gthread_once): Add race guard for PPC.
3375
3376 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3377
3378         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
3379         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
3380         shift counts to avoid out-of-bounds array accesses.
3381
3382 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3383
3384         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
3385         (Pmode): Move above.
3386
3387 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
3388
3389         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
3390         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
3391         GET_CODE macro.  Use IN_RANGE macro where appropriate.
3392         * config/alpha/alpha.h: Ditto.
3393         * config/alpha/alpha.md: Ditto.
3394         * config/alpha/constraints.md: Ditto.
3395         * config/alpha/predicates.md: Ditto.
3396
3397 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3398
3399         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
3400         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3401         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3402         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3403         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3404         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3405         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3406         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3407         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3408         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3409         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3410         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3411         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3412         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3413         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3414         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3415         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3416         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3417         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3418         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3419         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3420         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3421         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3422         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3423         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3424         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3425         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3426
3427 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3428
3429         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
3430         references from comments.
3431         * cfgbuild.c: (count_basic_blocks): Delete.
3432         (find_basic_blocks_1): Delete.
3433         (find_basic_blocks): Delete.
3434         * except.c (finish_eh_generation): Make static.  Move comment from
3435         except.h here.  Remove find_basic_blocks references from comments.
3436         * except.h (finish_eh_generation): Delete.
3437         * basic-block.h (find_basic_blocks): Delete.
3438         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
3439
3440 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
3441
3442         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
3443         (sdbout_parms):  Likewise.
3444
3445 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3446
3447         * config/sh/sh.c (prepare_cbranch_operands): Use
3448         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
3449         (expand_cbranchdi4): Likewise.
3450         (from_compare): Add cast to enum type.
3451         (expand_cbranchsi4): Use add_reg_note.
3452         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
3453         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
3454         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
3455         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3456         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
3457         instead of CODE_FOR_nothing.
3458         (cbranchdi4): Likewise.  Fix the order of arguments for
3459         gen_rtx_fmt_ee.
3460         (push_fpscr): Use add_reg_note.
3461         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
3462         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
3463
3464 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
3465
3466         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
3467         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3468         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3469         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
3470         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
3471         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
3472         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
3473         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
3474         config/alpha/x-vms, config/arc/t-arc,
3475         config/arm/README-interworking, config/arm/arm-c.c,
3476         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
3477         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
3478         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
3479         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
3480         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
3481         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
3482         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
3483         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
3484         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
3485         config/cris/t-elfmulti, config/crx/t-crx,
3486         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
3487         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
3488         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
3489         config/h8300/t-h8300, config/i386/athlon.md,
3490         config/i386/darwin-libgcc.10.4.ver,
3491         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
3492         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
3493         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
3494         config/i386/t-linux64, config/i386/t-nwld,
3495         config/i386/t-rtems-i386, config/i386/t-sol2-10,
3496         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
3497         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
3498         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
3499         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
3500         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
3501         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
3502         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
3503         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
3504         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
3505         config/m68k/t-uclinux, config/mcore/t-mcore,
3506         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
3507         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
3508         config/mips/crtn.asm, config/mips/irix-crti.asm,
3509         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
3510         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
3511         config/mips/mips-fixed.md, config/mips/sb1.md,
3512         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
3513         config/mips/t-iris6, config/mips/t-isa3264,
3514         config/mips/t-libgcc-mips16, config/mips/t-linux64,
3515         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
3516         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
3517         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
3518         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
3519         config/mn10300/t-linux, config/mn10300/t-mn10300,
3520         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
3521         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
3522         config/picochip/libgccExtras/clzsi2.asm,
3523         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
3524         config/rs6000/darwin-libgcc.10.4.ver,
3525         config/rs6000/darwin-libgcc.10.5.ver,
3526         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
3527         config/rs6000/t-aix43, config/rs6000/t-aix52,
3528         config/rs6000/t-darwin, config/rs6000/t-fprules,
3529         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
3530         config/rs6000/t-lynx, config/rs6000/t-netbsd,
3531         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
3532         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
3533         config/rs6000/t-rtems, config/rs6000/t-spe,
3534         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
3535         config/score/t-score-elf, config/sh/divcost-analysis,
3536         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
3537         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
3538         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
3539         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
3540         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
3541         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
3542         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
3543         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
3544         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
3545         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
3546         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
3547         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
3548         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
3549         limitx.h, version.c, xcoff.h: Add copyright and license notices.
3550         * config/h8300/genmova.sh: Include copyright and license notices
3551         in generated output.
3552         * config/h8300/mova.md: Regenerate.
3553         * doc/install.texi2html: Include word "Copyright" in copyright
3554         notice and use name "Free Software Foundation, Inc.".
3555         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3556         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3557         ChangeLog-2007, ChangeLog-2008: Correct dates.
3558
3559 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
3560
3561         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
3562         NE_EXPR operations as well.
3563         * c-parser.c (c_parser_condition): Do not set location information on
3564         the condition.
3565         (c_parser_conditional_expression): Likewise.
3566         (c_parser_binary_expression): Set location information on operators.
3567         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
3568         TRUTH_NOT_EXPR has been folded.
3569         * fold-const.c (fold_truth_not_expr): Copy location information from
3570         the incoming expression to the outgoing one.
3571         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
3572         recursive calls on the LHS of the operator but pass that of the
3573         operator to recursive calls on the RHS of the operator.  Set it
3574         on the COND_EXPR.
3575         (shortcut_cond_expr): Set the locus of the operator on the second
3576         COND_EXPR and that of the expression on the first in degenerate cases.
3577         Pass the locus of the expression to calls to shortcut_cond_r.
3578         Set the locus of the 'then' block on the associated jump, if any.
3579         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
3580         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
3581         expression to call to gimplify_boolean_expr.
3582
3583 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
3584
3585         * config.gcc: Add additional configuration for
3586         i686-w64-mingw* and x86_64-w64-mingw* triplet.
3587         * config/i386/mingw-w64.h: New mingw-w64 specific header.
3588         (CPP_SPEC): Redefine for allowing -municode option.
3589         (STARTFILE_SPEC): Likewise.
3590         * config/i386/t-mingw-w64: New.
3591         * config/i386/mingw-w64.opt: New.
3592         (municode): Add new target option.
3593         * doc/invoke.texi (municode): Add documentation for new option.
3594
3595 2009-04-21  Ian Lance Taylor  <iant@google.com>
3596
3597         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3598         Correct test for number of arguments.
3599         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
3600
3601 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
3602
3603         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
3604         argument of emit_library_call.
3605
3606 2009-04-21  Richard Guenther  <rguenther@suse.de>
3607
3608         PR middle-end/39829
3609         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
3610         inside VIEW_CONVERT_EXPRs.
3611
3612 2009-04-21  Martin Jambor  <mjambor@suse.cz>
3613
3614         * tree-switch-conversion.c (build_constructors): Split a long line.
3615         (constructor_contains_same_values_p): New function.
3616         (build_one_array): Create assigns of constants if possible, do not
3617         call mark_sym_for_renaming, call update_stmt.
3618         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
3619         make_rename_temp.  Do not call mark_symbols_for_renaming, call
3620         update_stmt.
3621         (gen_def_assigns): Do not call mark_symbols_for_renaming or
3622         find_new_referenced_vars, call update_stmt.
3623         (gen_inbound_check): Use create_tmp_var and create ssa names manually
3624         instead of calling make_rename_temp.  Do not call
3625         find_new_referenced_vars or mark_symbols_for_renaming, call
3626         update_stmt.
3627
3628 2009-04-21  Richard Guenther  <rguenther@suse.de>
3629
3630         PR tree-optimization/39827
3631         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
3632         (tree_ssa_phiprop): Pass the correct array size.
3633
3634 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
3635
3636         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
3637
3638 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3639
3640         PR 16202
3641         * c-typeck.c (lvalue_p): Move declaration ...
3642         * c-common.h (lvalue_p): ... to here.
3643         * c-common.c (candidate_equal_p): New.
3644         (add_tlist): Use it.
3645         (merge_tlist): Use it.
3646         (warn_for_collisions_1): Likewise.
3647         (warning_candidate_p): Accept more candidates.
3648         (verify_tree): A warning candidate can be an expression. Use
3649         candidate_equal_p.
3650
3651 2009-04-21  Ben Elliston  <bje@au.ibm.com>
3652
3653         PR target/5267
3654         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
3655         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
3656         options.  Remove -mcall-solaris documentation.
3657
3658 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3659
3660         PR c++/13358
3661         * doc/invoke.texi (-Wlong-long): Update description.
3662         * c-lex (interpret_integer): Only warn if there was no previous
3663         overflow and -Wlong-long is enabled.
3664         * c-decl.c (declspecs_add_type): Drop redundant flags.
3665         * c.opt (Wlong-long): Init to -1.
3666         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
3667         and front-end warn_long_long. Wlong-long only depends on other
3668         flags if it is uninitialized.
3669         * c-parser.c (disable_extension_diagnostics): warn_long_long is
3670         the same for CPP and FE.
3671         (restore_extension_diagnostics): Likewise.
3672
3673 2009-04-20  Ian Lance Taylor  <iant@google.com>
3674
3675         Fix enum conversions which are invalid in C++:
3676         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
3677         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
3678         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
3679         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
3680         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
3681         (dbxout_parms): Likewise.
3682         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
3683         (df_clear_flags): Likewise.
3684         * df-problems.c (df_rd_bb_local_compute_process_def): Change
3685         top_flag parameter to int.
3686         (df_chain_create_bb_process_use): Likewise.
3687         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
3688         Remove cast.
3689         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
3690         (df_ref_create_structure, df_def_record_1): Likewise.
3691         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
3692         (df_notes_rescan): Change 0 to VOIDmode in function call.
3693         (df_get_call_refs, df_insn_refs_collect): Likewise.
3694         (df_bb_regs_collect): Likewise.
3695         (df_entry_block_defs_collect): Likewise.
3696         (df_exit_block_uses_collect): Likewise.
3697         * df.h: Update declarations.
3698         * double-int.c (double_int_divmod): Add cast to enum type.
3699         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
3700         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
3701         (based_loc_descr): Likewise.
3702         (loc_descriptor_from_tree_1): Change first_op and second_op to
3703         enum dwarf_location_atom.  Add cast to enum type.
3704         * expmed.c (init_expmed): Change 0 to SET in function call.
3705         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
3706         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
3707         (do_store_flag): Likewise.
3708         * fixed-value.h (struct fixed_value): Change mode to enum
3709         machine_mode.
3710         * function.c (assign_parms): Change 0 to VOIDmode in function call.
3711         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
3712         function call.
3713         (insert_insn_decl, insert_decl, insert_state): Likewise.
3714         (automata_list_finish): Likewise.
3715         * genrecog.c (process_define_predicate): Add cast to enum type.
3716         * gensupport.c (init_predicate_table): Add cast to enum type.
3717         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
3718         function call.
3719         (gimple_build_call_1, gimple_build_label): Likewise.
3720         (gimple_build_goto, gimple_build_asm_1): Likewise.
3721         (gimple_build_switch_1, gimple_build_cdt): Likewise.
3722         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
3723         (enum fallback): Rename from enum fallback_t.
3724         (fallback_t): Typedef as int.
3725         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
3726         GSI_SAME_STMT in function call.
3727         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
3728         enum type.
3729         (setup_reg_class_relations): Likewise.
3730         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
3731         (setup_prohibited_class_mode_regs): Add cast to enum type.
3732         (setup_prohibited_mode_move_regs): Likewise.
3733         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
3734         (record_address_regs): Change i to enum reg_class.
3735         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
3736         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
3737         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
3738         (GET_MODE_2XWIDER_MODE): Likewise.
3739         (GET_CLASS_NARROWEST_MODE): Likewise.
3740         * omp-low.c (expand_omp_for): Add cast to enum type.
3741         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
3742         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
3743         * postreload.c (reload_cse_simplify_operands): Change rclass local
3744         to enum reg_class.
3745         * predict.c (combine_predictions_for_insn): Change best_predictor
3746         and predictor to enum br_predictor.
3747         (combine_predictions_for_bb): Likewise.
3748         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
3749         use SET_PREDICT_EXPR_OUTCOME.
3750         * real.c (real_arithmetic): Change icode to code in function call.
3751         * reginfo.c (init_move_cost): Add casts to enum type.
3752         (init_reg_sets_1, init_fake_stack_mems): Likewise.
3753         * regmove.c (regclass_compatible_p): Change class0 and class1 to
3754         enum reg_class.
3755         * reload.c (find_valid_class): Add casts to enum type.
3756         (push_reload): Change 0 to NO_REGS in function call.
3757         (find_reloads): Change this_alternative to array of enum
3758         reg_class.  Remove some now-unnecessary casts.
3759         (make_memloc): Change 0 to VOIDmode in function call.
3760         * reload1.c (reload): Change 0 to VOIDmode in function call.
3761         (eliminate_regs_1, elimination_effects): Likewise.
3762         (eliminate_regs_in_insn): Likewise.
3763         (emit_input_reload_insns): Add cast to enum type.
3764         (delete_output_reload): Change 0 to VOIDmode in function call.
3765         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
3766         to enum type in function call.
3767         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
3768         (SET_PREDICT_EXPR_OUTCOME): Define.
3769         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
3770         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
3771         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
3772         (dump_function): Likewise.
3773         * tree-dump.h: Update declarations.
3774         * tree-pass.h: Update declarations.
3775         * varasm.c (assemble_integer): Change mclass to enum mode_class.
3776         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
3777         enum type.
3778         (arm_rtx_costs_1): Correct parenthesization.
3779         (arm_rtx_costs): Add casts to enum type.
3780         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
3781         (vfp_emit_fstmd): Use add_rg_note.
3782         (emit_multi_reg_push, emit_sfm): Likewise.
3783         (thumb_set_frame_pointer): Likewise.
3784         (arm_expand_prologue): Likewise.
3785         (arm_regno_class): Change return type to enum reg_class.
3786         (thumb1_expand_prologue): Use add_reg_note.
3787         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
3788         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
3789         in function call.
3790         * config/arm/gentune.sh: Add cast to enum type.
3791         * config/arm/arm-tune.md: Rebuild.
3792         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
3793         (ix86_split_fp_branch, predict_jump): Likewise.
3794         (ix86_expand_multi_arg_builtin): Change sub_code from enum
3795         insn_code to enum rtx_code.
3796         (ix86_builtin_vectorized_function): Add cast to enum type.
3797         * config/i386/i386.md (truncdfsf2): Change slot to enum
3798         ix86_stack_slot.
3799         (truncxf<mode>2, isinf<mode>2): Likewise.
3800         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
3801         enum type.
3802         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
3803         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
3804         (insert_bundle_state): Change 1 to INSERT in function call.
3805         (ia64_add_bundle_selector_before): Likewise.
3806         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
3807         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
3808         (restore_stack_nonlocal): Likewise.
3809         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
3810         function call.
3811         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
3812         function call.
3813         (mips_rtx_costs): Likewise.
3814         (mips_override_options): Add casts to enum type.
3815         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
3816         in function call.
3817         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
3818         (store_reg, set_reg_plus_d): Likewise.
3819         (hppa_expand_prologue, hppa_profile_hook): Likewise.
3820         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
3821         cast to enum type.
3822         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
3823         function call.
3824         (emit_unlikely_jump): Use add_reg_note.
3825         (rs6000_emit_allocate_stack): Likewise.
3826         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
3827         (output_toc): Change 1 to INSERT in function call.
3828         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
3829         (rs6000_initialize_trampoline): Likewise.
3830         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
3831         function call.
3832         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
3833         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
3834         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
3835         (save_gprs): Use add_reg_note.
3836         (s390_emit_prologue): Likewise.
3837         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3838         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
3839         (sparc_fold_builtin): Add cast to enum type.
3840         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
3841         enum insn_code.
3842         (spu_expand_prologue): Use add_reg_note.
3843         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
3844
3845 2009-04-20  Ian Lance Taylor  <iant@google.com>
3846
3847         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
3848         (c_parser_postfix_expression_after_primary): Get VEC for list of
3849         arguments.  Get original types of arguments.  Call
3850         build_function_call_vec.
3851         (cached_expr_list_1, cached_expr_list_2): New static variables.
3852         (c_parser_expr_list): Change return type to VEC *.  Add
3853         p_orig_types parameter.  Change all callers.
3854         (c_parser_release_expr): New static function.
3855         (c_parser_vec_to_tree_list): New static function.
3856         * c-typeck.c (build_function_call): Rewrite to build a VEC and
3857         call build_function_call_vec.
3858         (build_function_call_vec): New function, based on old
3859         build_function_call.
3860         (convert_arguments): Remove nargs and argarray parameters.  Change
3861         values to a VEC.  Add origtypes parameter.
3862         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
3863         (convert_for_assignment): Add origtype parameter.  Change all
3864         callers.  If warn_cxx_compat, check for conversion to an enum
3865         type when calling a function.
3866         (store_init_value): Add origtype parameter.  Change all callers.
3867         (digest_init): Likewise.
3868         (struct init_node): Add origtype field.
3869         (add_pending_init): Add origtype parameter.  Change all callers.
3870         (output_init_element): Likewise.
3871         (output_pending_init_elements): Pass origtype from init_node to
3872         output_init_element.
3873         (process_init_element): Pass origtype from c_expr to
3874         output_init_element.
3875         (c_finish_return): Add origtype parameter.  Change all callers.
3876         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
3877         caller.
3878         (sync_resolve_params): Likewise.
3879         (sync_resolve_return): Change params to first_param.  Change caller.
3880         (resolve_overloaded_builtins): Change params to VEC *.  Change
3881         callers.  Save first parameter around call to build_function_call_vec.
3882         * c-decl.c (finish_decl): Add origtype parameter.  Change all
3883         callers.  Call build_function_call_vec rather than
3884         build_function_call for cleanup.
3885         * c-tree.h: Update declarations.
3886         * c-common.h: Update declarations.
3887         * stub-objc.c (objc_rewrite_function_call): Change parameter from
3888         params to first_param.
3889         * target.h (struct gcc_target): Change resolve_overloaded_builtin
3890         params parameter from tree to void *.
3891         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3892         Change arglist parameter to have type void *, and to be a pointer
3893         to a VEC.
3894         * config/rs6000/rs6000-protos.h
3895         (altivec_resolve_overloaded_builtin): Update declaration.
3896         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
3897         fnargs parameter to have type void *, and to be a pointer to a
3898         VEC.  Call build_function_call_vec instead of
3899         build_function_call.
3900         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
3901
3902 2009-04-20  Joey Ye  <joey.ye@intel.com>
3903             Xuepeng Guo  <xuepeng.guo@intel.com>
3904             H.J. Lu  <hongjiu.lu@intel.com>
3905
3906         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
3907
3908         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
3909         (IX86_LEA_PRIORITY): Likewise.
3910         (distance_non_agu_define): New function.
3911         (distance_agu_use): Likewise.
3912         (ix86_lea_for_add_ok): Likewise.
3913         (ix86_dep_by_shift_count): Likewise.
3914
3915         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
3916         should split for LEA.
3917
3918         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
3919         function.
3920         (ix86_dep_by_shift_count): Likewise.
3921
3922 2009-04-20  Richard Guenther  <rguenther@suse.de>
3923
3924         * expr.c (handled_component_p): Move ...
3925         * tree.h (handled_component_p): ... here.
3926         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
3927         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
3928         and REALPART_EXPR to be in one group.
3929
3930 2009-04-20  Richard Guenther  <rguenther@suse.de>
3931
3932         * basic-block.h (get_all_dominated_blocks): Declare.
3933         * dominance.c (get_all_dominated_blocks): New function.
3934         * tree-cfg.c (get_all_dominated_blocks): Remove.
3935         (remove_edge_and_dominated_blocks): Adjust.
3936         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
3937         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
3938         instead of recursing.
3939
3940 2009-04-20  Doug Kwan  <dougkwan@google.com>
3941
3942         * cgraph.h (cgraph_node_ptr): New type for vector functions.
3943         (struct cgraph_node_set_def): New type.
3944         (cgraph_node_set) New type. Also declare vector functions.
3945         (struct cgraph_node_set_element_def): New type.
3946         (cgraph_node_set_element): Ditto.
3947         (cgraph_node_set_iterator): New iterator type.
3948         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
3949         cgraph_node_set_remove, dump_cgraph_node_set,
3950         debug_cgraph_node_set): New prototypes.
3951         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
3952         cgraph_node_set_size): New inlines.
3953         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
3954         including cgraph.h.
3955         (struct ipa_opt_pass): Add struct cgraph_node_set_def
3956         argument to function 'write_summary'.
3957         * ipa.c: Include ggc.h.
3958         (hash_cgraph_node_set_element,
3959         eq_cgraph_node_set_element, cgraph_node_set_new,
3960         cgraph_node_set_add, cgraph_node_set_remove,
3961         cgraph_node_set_find, dump_cgraph_node_set,
3962         debug_cgraph_node_set): New functions.
3963         * Makefile.in (ipa.o): Add dependency on GGC_H.
3964
3965 2009-04-20  Ira Rosen  <irar@il.ibm.com>
3966
3967         PR tree-optimization/39675
3968         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
3969         check of the return code of vect_schedule_slp. Check that
3970         stmt_vec_info still exists for the statement, before checking its
3971         vectorization type.
3972
3973 2009-04-20  Michael Matz  <matz@suse.de>
3974
3975         * Makefile.in (generated_files): Take out $(simple_generated_c).
3976
3977 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
3978
3979         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
3980         (UINTPTR_TYPE):  Likewise.
3981
3982 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
3983
3984         PR c/37481
3985         * c-typeck.c (digest_init): Check for initializing an array with a
3986         string literal.
3987
3988 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
3989
3990         PR c/19771
3991         * c-semantics.c (pop_stmt_list): Propagate
3992         STATEMENT_LIST_HAS_LABEL to parent statement list.
3993
3994 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
3995
3996         * config/mips/mips.h (mips_tune_attr): New macro.
3997         * config/mips/mips.md (cpu): Use it.
3998
3999 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4000
4001         PR c/38243
4002         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
4003         declaring a tag.
4004
4005 2009-04-19  Diego Novillo  <dnovillo@google.com>
4006
4007         * toplev.c (compile_file): Move call to coverage_finish ...
4008         * cgraphunit.c (ipa_passes): ... here.
4009         Call cgraph_process_new_functions.
4010         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
4011         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
4012
4013 2009-04-19  Jan Hubicka  <jh@suse.cz>
4014
4015         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
4016         cfun.
4017         (dump_cgraph_node): Dump can throw external flag.
4018         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
4019
4020 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4021
4022         PR c/32061
4023         PR c++/36954
4024         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
4025         * common.opt (Wlogical-op): Move from here...
4026         * c.opt (Wlogical-op): ... to here.
4027         * c-typeck.c (parser_build_binary_op): Update call to
4028         warn_logical_operator.
4029         * c-opts.c (c_common_post_options): Enable warn_logical_op with
4030         extra_warnings.
4031         * c-common.c (warn_logical_op): Update.
4032         * c-common.h (warn_logical_op): Update declaration.
4033
4034 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4035
4036         * tree.c (protected_set_expr_location): Fix formatting.
4037
4038 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4039
4040         PR c/27676
4041         * c-typeck.c (readonly_warning): new.
4042         (build_unary_op, build_modify_expr): Use readonly_warning for
4043         storing into something readonly but not const-qualified.
4044
4045 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4046
4047         PR c/22367
4048         * c-typeck.c (build_unary_op): Check for taking address of
4049         expression of type void.
4050
4051 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4052
4053         PR c/35210
4054         * c-typeck.c (build_function_call): Check for calling a function
4055         with qualified void return types.  Call require_complete_type when
4056         generating a trap.
4057
4058 2009-04-18  Jan Hubicka  <jh@suse.cz>
4059
4060         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
4061         Set nothrow flag.
4062         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
4063         can_throw_external flag.
4064         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
4065         * ipa-pure-const.c (ignore_edge): New function.
4066         (propagate): Compute order for NOTHROW computation; set NOTHROWs
4067         only over can_throw_external edges.
4068         (local_pure_const): Add nothrow flag.
4069         * ipa-utils.c (searchc): Add ignore_edge callback.
4070         (ipa_utils_reduced_inorder): Add ignore_edge callback.
4071         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
4072         (set_nothrow_function_flags): Update cgraph.
4073         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
4074
4075 2009-04-18  Richard Guenther  <rguenther@suse.de>
4076
4077         PR middle-end/39804
4078         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
4079         (fold_stmt): ... this and ...
4080         (fold_stmt_inplace): ... this.
4081         (fold_stmt_1): Fold references in calls and asms.
4082         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
4083
4084 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4085
4086         * tree-vrp.c (ssa_name_nonzero_p): Remove.
4087         * tree.h: Remove the prototype for ssa_name_nonzero_p.
4088
4089 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4090
4091         * tree.c (function_args_count): Remove.
4092         * tree.h: Remove the prototype for function_args_count.
4093
4094 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4095
4096         * tree-iterator.c (expr_only): Remove.
4097         * tree.h: Remove the prototype for expr_only.
4098
4099 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4100
4101         * reginfo.c (cannot_change_mode_set_regs): Remove.
4102         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
4103
4104 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
4105
4106         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
4107         whether operands 0 and 1 overlaps.
4108
4109 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4110
4111         PR middle-end/36902
4112         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
4113         pointer. Use warning_at instead of warning.
4114         (search_for_addr_array): Likewise.
4115         (check_array_bounds): Likewise.
4116         (check_all_array_refs): Check that the incoming edge is not in the
4117         list of edges to be removed.
4118         (check_all_array_refs): Avoid the temporal pointer.
4119         (vrp_visit_cond_stmt): Fix typo.
4120         (simplify_switch_using_ranges): Handle the case where the switch
4121         index is an integer constant.
4122
4123 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
4124
4125         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
4126
4127 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4128
4129         * doc/extend.texi, doc/invoke.texi: Fix typos.
4130
4131 2009-04-17  Cary Coutant  <ccoutant@google.com>
4132
4133         * tree-flow-inline.h (get_lineno): Fix inverted test.
4134
4135 2009-04-17  Diego Novillo  <dnovillo@google.com>
4136
4137         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4138         assertion for AVAIL_OUT.
4139
4140 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
4141
4142         PR target/38627
4143         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
4144         * config/sh/linux-atomic.asm: Likewise.
4145
4146 2009-04-17  Diego Novillo  <dnovillo@google.com>
4147
4148         * except.c (debug_eh_tree): New.
4149         (struct eh_region, struct eh_status): Move ...
4150         * except.h: ... here.
4151         (add_type_for_runtime): Declare extern.
4152         (lookup_type_for_runtime): Likewise.
4153         (debug_eh_tree): Declare.
4154         * Makefile.in (GTFILES): List except.h before except.c
4155
4156 2009-04-17  Diego Novillo  <dnovillo@google.com>
4157
4158         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
4159         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4160         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
4161         (find_vars_r): ... here.
4162         * tree-flow.h (find_referenced_vars_in): Declare.
4163         * tree-ssa-pre.c (create_expression_by_pieces): Assert
4164         that AVAIL_OUT exists for BLOCK.
4165         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
4166         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
4167         (tree-parloops.o): Likewise.
4168
4169 2009-04-17  Simon Baldwin  <simonb@google.com>
4170
4171         * toplev.c (default_tree_printer): Add handling for %E format.
4172
4173 2009-04-17  Diego Novillo  <dnovillo@google.com>
4174
4175         * tree-pretty-print.c (dump_generic_node): Add break after
4176         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
4177         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
4178         FUNCTION_TYPE together.  Call print_struct_decl when printing
4179         structures and TDF_SLIM is not given.
4180         (print_struct_decl): Fix logic for detecting recursion.
4181
4182 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4183
4184         PR 31567
4185         * gcc.c (create_at_file): New.
4186         (compile_input_file_p): New.
4187         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
4188         * main.c (main): Update call to toplev_main.
4189         * toplev.c (toplev_main): Change signature. Call expandargv.
4190         * toplev.h (toplev_main): Change signature.
4191
4192 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4193
4194         * dwarf2out.c (field_byte_offset): Use the type size as the field size
4195         if the latter is not constant.
4196
4197 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
4198
4199         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
4200
4201 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4202
4203         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
4204         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
4205
4206 2009-04-17  Richard Guenther  <rguenther@suse.de>
4207
4208         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4209         Handle component references view-converting an invariant address.
4210
4211 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
4212
4213         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
4214         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
4215         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
4216         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
4217         Use @deftypevr rather than @deftypevar.
4218
4219 2009-04-17  Richard Guenther  <rguenther@suse.de>
4220
4221         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
4222         (get_prop_source_stmt): Likewise.
4223         (can_propagate_from): Likewise.
4224
4225 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
4226
4227         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
4228         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
4229         (--with-multilib-list): Add default value.
4230         * configure: Regenerate.
4231         * Makefile.in (TM_ENDIAN_CONFIG): Define.
4232         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
4233         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
4234         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
4235         Don't add default cpu to multilib list unnecessarily, but do enable
4236         the relevant compiler option..
4237         Add support for --with-multilib-list=<blank> and
4238         --with-multilib-list=!<somelib> to supress unwanted multilibs.
4239         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
4240         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
4241         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
4242         TM_MULTILIB_CONFIG.
4243         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
4244         (MULTILIB_OSDIRNAMES): New variable.
4245         * config/sh/t-1e: Delete file.
4246         * config/sh/t-mlib-sh1: Delete file.
4247         * config/sh/t-mlib-sh2: Delete file.
4248         * config/sh/t-mlib-sh2a: Delete file.
4249         * config/sh/t-mlib-sh2a-nofpu: Delete file.
4250         * config/sh/t-mlib-sh2a-single: Delete file.
4251         * config/sh/t-mlib-sh2a-single-only: Delete file.
4252         * config/sh/t-mlib-sh2e: Delete file.
4253         * config/sh/t-mlib-sh3e: Delete file.
4254         * config/sh/t-mlib-sh4: Delete file.
4255         * config/sh/t-mlib-sh4-nofpu: Delete file.
4256         * config/sh/t-mlib-sh4-single: Delete file.
4257         * config/sh/t-mlib-sh4-single-only: Delete file.
4258         * config/sh/t-mlib-sh4a: Delete file.
4259         * config/sh/t-mlib-sh4a-nofpu: Delete file.
4260         * config/sh/t-mlib-sh4a-single: Delete file.
4261         * config/sh/t-mlib-sh4a-single-only: Delete file.
4262         * config/sh/t-mlib-sh4al: Delete file.
4263         * config/sh/t-mlib-sh5-32media: Delete file.
4264         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
4265         * config/sh/t-mlib-sh5-64media: Delete file.
4266         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
4267         * config/sh/t-mlib-sh5-compact: Delete file.
4268         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
4269         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
4270         * doc/install.texi (Options specification): Add
4271         --with-multilib-list and --with-endian.
4272
4273 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4274
4275         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
4276         REVISION_c.
4277         (OBJS-common): Add plugin-version.o.
4278         (plugin-version.o): New.
4279         * gcc-plugin.h (plugin_gcc_version): New.
4280         (plugin_default_version_check): New.
4281         (plugin_init_func, plugin_init): Add version argument.
4282         * plugin-version.c: New.
4283         * plugin.c (str_plugin_gcc_version_name): New.
4284         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
4285         pass it to the init function.
4286         (plugin_default_version_check): New.
4287
4288 2009-04-17  Richard Guenther  <rguenther@suse.de>
4289
4290         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
4291         for decl-vs-decl disambiguation.
4292
4293 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4294
4295         * config/s390/s390.h (s390_tune_attr): New macro definition.
4296         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
4297
4298 2009-04-17  Richard Guenther  <rguenther@suse.de>
4299
4300         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
4301         (fold_stmt_r): Likewise.
4302         (maybe_fold_reference): New function.
4303         (fold_gimple_assign): Handle cases fold_stmt_r did.
4304         (fold_stmt): Do not use fold_stmt_r.
4305         (fold_stmt_inplace): Likewise.
4306
4307 2009-04-17  Richard Guenther  <rguenther@suse.de>
4308
4309         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
4310         (record_equivalences_from_stmt): Remove useless checks and
4311         simplifications.
4312         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
4313         the type is already suitable.
4314
4315 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
4316
4317         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
4318
4319 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
4320
4321         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
4322         (CMPtype): Define as __gcc_CMPtype.
4323
4324 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
4325
4326         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
4327         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
4328
4329 2009-04-17  Richard Guenther  <rguenther@suse.de>
4330
4331         PR tree-optimization/39746
4332         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
4333         special-casing for builtins and static variable use/def.
4334         (call_may_clobber_ref_p_1): Likewise.
4335
4336 2009-04-16  Ian Lance Taylor  <iant@google.com>
4337
4338         * df.h: Include "timevar.h".
4339         (struct df_problem): Change tv_id field to timevar_id_t.
4340         * tree-pass.h: Include "timevar.h".
4341         (struct opt_pass): Change tv_id field to timevar_id_t.
4342         * timevar.h (timevar_id_t): Define TV_NONE.
4343         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
4344         TV_NONE rather than tv_id != 0.
4345         (execute_one_pass): Likewise.
4346         * Makefile.in (DF_H): Add $(TIMEVAR_H).
4347         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
4348         dependencies to $(TREE_PASS_H).
4349         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
4350         to TV_NONE.
4351         (pass_branch_target_load_optimize2): Likewise.
4352         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
4353         (pass_outof_cfg_layout_mode): Likewise.
4354         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
4355         (pass_rebuild_cgraph_edges): Likewise.
4356         (pass_remove_cgraph_callee_edges): Likewise.
4357         * df-core.c (pass_df_initialize_opt): Likewise.
4358         (pass_df_initialize_no_opt): Likewise.
4359         (pass_df_finish): Likewise.
4360         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
4361         * except.c (pass_set_nothrow_function_flags): Likewise.
4362         (pass_convert_to_eh_region_ranges): Likewise.
4363         * final.c (pass_compute_alignments): Likewise.
4364         * function.c (pass_instantiate_virtual_regs): Likewise.
4365         (pass_init_function): Likewise.
4366         (pass_leaf_regs): Likewise.
4367         (pass_match_asm_constraints): Likewise.
4368         * gimple-low.c (pass_lower_cf): Likewise.
4369         (pass_mark_used_blocks): Likewise.
4370         * init-regs.c (pass_initialize_regs): Likewise.
4371         * integrate.c (pass_initial_value_sets): Likewise.
4372         * ira.c (pass_ira): Likewise.
4373         * jump.c (pass_cleanup_barriers): Likewise.
4374         * omp-low.c (pass_expand_omp): Likewise.
4375         (pass_lower_omp): Likewise.
4376         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
4377         * recog.c (pass_split_all_insns): Likewise.
4378         (pass_split_after_reload): Likewise.
4379         (pass_split_before_regstack): Likewise.
4380         (pass_split_before_sched2): Likewise.
4381         (pass_split_for_shorten_branches): Likewise.
4382         * reginfo.c (pass_reginfo_init): Likewise.
4383         (pass_subregs_of_mode_init): Likewise.
4384         (pass_subregs_of_mode_finish): Likewise.
4385         * passes.c (pass_postreload): Likewise.
4386         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
4387         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
4388         (pass_warn_function_return): Likewise.
4389         (pass_warn_function_noreturn): Likewise.
4390         * tree-complex.c (pass_lower_complex): Likewise.
4391         (pass_lower_complex_O0): Likewise.
4392         * tree-if-conv.c (pass_if_conversion): Likewise.
4393         * tree-into-ssa.c (pass_build_ssa): Likewise.
4394         * tree-mudflap.c (pass_mudflap_1): Likewise.
4395         (pass_mudflap_2): Likewise.
4396         * tree-nomudflap.c (pass_mudflap_1): Likewise.
4397         (pass_mudflap_2): Likewise.
4398         * tree-nrv.c (pass_return_slot): Likewise.
4399         * tree-object-size.c (pass_object_sizes): Likewise.
4400         * tree-optimize.c (pass_all_optimizations): Likewise.
4401         (pass_early_local_passes): Likewise.
4402         (pass_all_early_optimizations): Likewise.
4403         (pass_cleanup_cfg): Likewise.
4404         (pass_cleanup_cfg_post_optimizing): Likewise.
4405         (pass_free_datastructures): Likewise.
4406         (pass_free_cfg_annotations): Likewise.
4407         (pass_fixup_cfg): Likewise.
4408         (pass_init_datastructures): Likewise.
4409         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
4410         (pass_late_warn_uninitialized): Likewise.
4411         (pass_update_address_taken): Likewise.
4412         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
4413         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
4414         (pass_cse_sincos): Likewise.
4415         (pass_convert_to_rsqrt): Likewise.
4416         * tree-ssa-structalias.c (pass_build_alias): Likewise.
4417         * tree-stdarg.c (pass_stdarg): Likewise.
4418         * tree-tailcall.c (pass_tail_recursion): Likewise.
4419         (pass_tail_calls): Likewise.
4420         * tree-vect-generic.c (pass_lower_vector): Likewise.
4421         (pass_lower_vector_ssa): Likewise.
4422         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
4423
4424 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
4425
4426         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
4427         XLR entry.
4428         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
4429         Handle -march=xlr.
4430         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
4431         logical and signext.
4432
4433 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
4434
4435         PR target/39767
4436         * config/sh/predicates.md (arith_operand): Check if the operand
4437         of TRUNCATE is a REG.
4438
4439 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4440
4441         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
4442         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
4443
4444 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4445
4446         * tree-iterator.c (tsi_split_statement_list_after,
4447         tsi_split_statement_list_before): Remove.
4448         * tree-iterator.h: Remove the prototypes for
4449         tsi_split_statement_list_after and tsi_split_statement_list_before.
4450
4451 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4452
4453         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
4454         * tree-ssa-propagate.h: Remove the prototype for
4455         stmt_makes_single_load.
4456
4457 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4458
4459         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
4460         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
4461
4462 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4463
4464         * tree-iterator.c (EXPR_LAST_BODY): Remove.
4465
4466 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4467
4468         * except.c (eh_region_outer_p): Remove.
4469         * except.h: Remove the prototype for eh_region_outer_p.
4470
4471 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4472
4473         * function.c (current_function_assembler_name): Remove.
4474         * function.h: Remove the prototype for
4475         current_function_assembler_name.
4476
4477 2009-04-16  Ian Lance Taylor  <iant@google.com>
4478
4479         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
4480         (add_reg_note): Call alloc_reg_note.
4481         * rtl.h (alloc_reg_note): Declare.
4482         * combine.c (try_combine): Use alloc_reg_note.
4483         (recog_for_combine, move_deaths): Likewise.
4484         (distribute_notes): Use alloc_reg_note and add_reg_note.
4485         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
4486         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
4487         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
4488
4489 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
4490
4491         PR rtl-optimization/39762
4492         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
4493         ira_may_move_out_cost): Add comments about way of their usage.
4494         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
4495
4496         * ira-conflicts.c (process_regs_for_copy): Use function
4497         ira_get_register_move_cost instead of global
4498         ira_register_move_cost.
4499
4500         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
4501         color_pass, move_spill_restore, update_curr_costs): Ditto.
4502
4503         * ira-lives.c (process_single_reg_class_operands): Ditto.
4504
4505         * ira-emit.c (emit_move_list): Ditto.
4506
4507         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
4508         (record_reg_classes): Ditto.  Use functions
4509         ira_get_register_move_cost and ira_get_may_move_cost instead of
4510         global vars ira_register_move_cost, ira_may_move_out_cost and
4511         ira_may_move_in_cost.
4512         (record_address_regs): Don't call ira_init_register_move_cost.
4513         Use function ira_get_may_move_cost instead of global
4514         ira_may_move_in_cost.
4515         (process_bb_node_for_hard_reg_moves): Use function
4516         ira_get_register_move_cost instead of global ira_register_move_cost.
4517         (ira_costs): Don't call ira_init_register_move_cost.
4518
4519 2009-04-16  Richard Guenther  <rguenther@suse.de>
4520
4521         * tree-cfg.c (verify_gimple_assign_binary):
4522         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
4523         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
4524         (create_general_new_stmt): Note that this function is broken.
4525
4526 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4527
4528         * common.opt (fhelp): Add Var(help_flag).
4529         * gcc-plugin.h (plugin_info): Add help.
4530         * plugin.c (plugin_name_args): Add help.
4531         (register_plugin_info): Set plugin->help.
4532         (print_help_one_plugin): New.
4533         (print_plugins_help): New.
4534         * plugin.h (print_plugins_help): New.
4535         * toplev.c (toplev_main): Call print_plugins_help if needed.
4536
4537 2009-04-16  Richard Guenther  <rguenther@suse.de>
4538
4539         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
4540         (gimple_ior_addresses_taken_1): New function.
4541         (gimple_ior_addresses_taken): Likewise.
4542         * gimple.h (struct gimple_statement_with_ops_base): Remove
4543         addresses_taken member.
4544         (gimple_ior_addresses_taken): Declare.
4545         (gimple_addresses_taken, gimple_addresses_taken_ptr,
4546         gimple_set_addresses_taken): Remove.
4547         * ipa-reference.c (mark_address): New function.
4548         (scan_stmt_for_static_refs): Use it for marking addresses taken.
4549         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
4550         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
4551         (gimple_add_to_addresses_taken): Remove.
4552         (get_tmr_operands): Call mark_address_taken.
4553         (get_asm_expr_operands): Likewise.
4554         (get_expr_operands): Likewise.
4555         (build_ssa_operands): Do not clear the addresses_taken bitmap.
4556         (free_stmt_operands): Do not free it.
4557         * tree-ssa.c (delete_tree_ssa): Likewise.
4558         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
4559
4560 2009-04-16  Richard Guenther  <rguenther@suse.de>
4561
4562         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
4563         (walk_stmt_load_store_ops): Likewise.
4564         * gimple.c (get_base_loadstore): New function.
4565         (walk_stmt_load_store_addr_ops): Likewise.
4566         (walk_stmt_load_store_ops): Likewise.
4567         * ipa-pure-const.c (check_op): Simplify.
4568         (check_load, check_store): New functions.
4569         (check_stmt): Use walk_stmt_load_store_ops.
4570         * ipa-reference.c (mark_load): Adjust signature.
4571         (mark_store): Likewise.
4572         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
4573
4574 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4575
4576         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
4577         (plugin_info): New.
4578         * opts.c (common_handle_option): Don't call print_version.
4579         * plugin.c (plugin_name_args): Add version.
4580         (register_plugin_info): New.
4581         (register_callback): Handle PLUGIN_INFO.
4582         (try_init_one_plugin): New.
4583         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
4584         if failed to init.
4585         (finalize_one_plugin): New.
4586         (finalize_plugins): New.
4587         (print_one_plugin): New.
4588         (print_plugins_versions): New.
4589         * plugin.h (print_plugins_versions): New.
4590         (finalize_plugins): New.
4591         * toplev.c (compile_file): Don't call initialize_plugins.
4592         (print_version): Call print_plugins_versions.
4593         (toplev_main): Call initialize_plugins. Print version if needed.
4594         Call finalize_plugins.
4595
4596 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4597
4598         * common.opt (fversion): New.
4599         * gcc.c (print_version): New.
4600         (process_command): Don't print the version. Just set print_version.
4601         (main): Print version. Call subprocesses if print_version and
4602         verbose_flag are set.
4603         * opts.c (common_handle_option): Handle OPT_fversion.
4604
4605 2009-04-16  Richard Guenther  <rguenther@suse.de>
4606             Ira Rosen  <irar@il.ibm.com>
4607
4608         PR tree-optimization/39698
4609         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
4610         type of the reduction variable.  Only generate the def if
4611         it is needed.
4612
4613         * omp-low.c (expand_omp_for_generic): When converting to a pointer
4614         make sure to first convert to an integer of the same precision.
4615         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
4616         the type of the evolution correctly in computing the new
4617         induction variable base.
4618
4619 2009-04-16  Richard Guenther  <rguenther@suse.de>
4620
4621         PR middle-end/39625
4622         * tree-cfg.c (make_blocks): Split statements with to-be
4623         abnormal SSA names on the lhs.
4624
4625 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
4626
4627         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
4628         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
4629         * c-typeck.c (really_start_incremental_init): Likewise.
4630         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
4631         (TARGET_INITIALIZER): Remove it.
4632         * target.h (struct target): Remove vector_opaque_p.
4633         * tree.c (build_opaque_vector_type): New.
4634         * tree.h (TYPE_VECTOR_OPAQUE): New.
4635         (build_opaque_vector_type): Declare.
4636         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
4637         * config/rs6000/rs6000.c (build_opaque_vector_type,
4638         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
4639         (rs6000_init_builtins): Use build_opaque_vector_type for
4640         opaque_V4SI_type_node.
4641
4642 2009-04-15  Catherine Moore  <clm@codesourcery.com>
4643
4644         * debug.h (set_name):  Declare.
4645         * dwarf2out.c (dwarf2out_set_name): Declare.
4646         (dwarf2_debug_hooks): Add set_name.
4647         (find_AT_string): New.
4648         (add_AT_string): Call find_AT_string.
4649         (dwarf2out_set_name): New.
4650         * cp/decl.c (grokdeclarator): Call set_name.
4651         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
4652         * debug.c (do_nothing_debug_hooks):  Likewise.
4653         * dbxout.c (dbx_debug_hooks): Likewise.
4654         * sdbout.c (sdb_debug_hooks): Likewise.
4655
4656 2009-04-15  Michael Eager  <eager@eagercon.com>
4657
4658         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
4659         reg for single-precision FPU.
4660         * config/rs6000/rs6000.md (movsi_internal1): Only for
4661         !TARGET_SINGLE_FPU.
4662         (movsi_internal1_single): New. Add pattern to move SI values to/from
4663         single-precision FP regs.
4664
4665 2009-04-15  Richard Guenther  <rguenther@suse.de>
4666
4667         * omp-low.c (lower_rec_input_clauses): Build correct address
4668         expressions.
4669         (expand_omp_for_generic): Fix multiplication type.
4670         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
4671         (generate_memset_zero): Fix types.
4672         * tree-profile.c (prepare_instrumented_value): Correctly
4673         widen a pointer.
4674
4675 2009-04-15  Ian Lance Taylor  <iant@google.com>
4676
4677         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
4678         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
4679         for -Wall and for -Wc++-compat.
4680         (c_common_post_options): For C++, set warn_enum_compare if not
4681         already set.
4682         * c-tree.h (struct c_expr): Add field original_type.
4683         (build_external_ref): Update declaration.
4684         * c-parser.c (c_parser_braced_init): Set original_type.
4685         (c_parser_initelt): Likewise.
4686         (c_parser_expr_no_commas): Likewise.
4687         (c_parser_conditional_expression): Likewise.
4688         (c_parser_cast_expression): Likewise.
4689         (c_parser_unary_expression): Likewise.  Pull setting of
4690         original_code to top of function.
4691         (c_parser_sizeof_expression): Set original_type.
4692         (c_parser_alignof_expression): Likewise.
4693         (c_parser_postfix_expression): Likewise.  Pull setting of
4694         original_code to top of function.
4695         (c_parser_postfix_expression_after_paren_type): Set original_type.
4696         (c_parser_postfix_expression_after_primary): Likewise.
4697         (c_parser_expression): Likewise.
4698         * c-typeck.c (build_external_ref): Add type parameter.  Change all
4699         callers.
4700         (c_expr_sizeof_expr): Set original_type field.
4701         (parser_build_unary_op): Likewise.
4702         (parser_build_binary_op): Likewise.  Optionally warn about
4703         comparisons of enums of different types.
4704         (digest_init): Set original_type field.
4705         (really_start_incremental_init): Likewise.
4706         (push_init_level, pop_init_level): Likewise.
4707         * doc/invoke.texi (Warning Options): -Wenum-compare now
4708         supported in C.
4709
4710 2009-04-15  Richard Guenther  <rguenther@suse.de>
4711
4712         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
4713         out a necessary conversion.
4714         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
4715         names we didn't value number.
4716         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
4717
4718 2009-04-15  Richard Guenther  <rguenther@suse.de>
4719
4720         PR tree-optimization/39764
4721         * tree-ssa-ccp.c (get_value): Canonicalize value with
4722         canonicalize_float_value.
4723
4724 2009-04-15  Jan Hubicka  <jh@suse.cz>
4725
4726         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
4727         Wrong version of patch.
4728
4729 2009-04-15  Jan Hubicka  <jh@suse.cz>
4730
4731         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
4732
4733 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
4734
4735         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
4736         our distinct integral and vector types.
4737
4738 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
4739
4740         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
4741         * init.c (build_vtbl_address): Remove call to assemble_external.
4742
4743 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
4744
4745         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
4746         output for other floating point modes.
4747
4748 2009-04-14  Diego Novillo  <dnovillo@google.com>
4749
4750         * diagnostic.c (diagnostic_report_diagnostic): Do not
4751         warn about loaded plugins for DK_ERROR and DK_WARNING.
4752         * c-decl.c (declspecs_add_type): Move call to
4753         invoke_plugin_callbacks ...
4754         * c-parser.c (c_parser_declspecs): ... here.
4755         * plugin.c (dump_active_plugins): Tidy output.
4756
4757 2009-04-14  Diego Novillo  <dnovillo@google.com>
4758             Le-Chun Wu  <lcwu@google.com>
4759
4760         * configure.ac: Add --enable-plugin support.
4761         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
4762         * Makefile.in (PLUGIN_H): Define.
4763         Export ENABLE_PLUGIN and GMPINC to site.exp.
4764         Add PLUGINLIBS to link command.
4765         Add/modify dependencies for plugin.o and files including plugin.h.
4766         (plugin.o): New.
4767         * config.in: Regenerate.
4768
4769         * opts.c (common_handle_option): Handle OPT_fplugin_ and
4770         OPT_fplugin_arg_.
4771
4772 2009-04-14  Le-Chun Wu  <lcwu@google.com>
4773
4774         * tree-pass.h (register_one_dump_file): Add a prototype for
4775         register_one_dump_file.
4776         * toplev.c (compile_file): Call initialize_plugins.
4777         (do_compile): Call invoke_plugin_callbacks.
4778         (toplev_main): Call invoke_plugin_callbacks.
4779         * common.opt: Add -fplugin= and -fplugin-arg-.
4780         * gcc-plugin.h: New public header file for plugins to include.
4781         * plugin.c: New source file.
4782         * plugin.h: New internal header file.
4783         * passes.c (register_one_dump_file): Make it external.
4784
4785         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
4786
4787 2009-04-14  Diego Novillo  <dnovillo@google.com>
4788
4789         * doc/plugins.texi: New.
4790         * doc/gccint.texi: Add reference to Plugins chapter.
4791         * doc/invoke.texi: Document -fplugin and -fplugin-arg
4792         * diagnostic.c (diagnostic_report_diagnostic): Warn about
4793         loaded plugins, if any.
4794         * timevar.def (TV_PLUGIN_INIT): Define.
4795         (TV_PLUGIN_RUN): Define.
4796         * plugin.c: Include timevar.h
4797         (plugins_active_p): New.
4798         (dump_active_plugins): New.
4799         (debug_active_plugins): New.
4800
4801 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
4802
4803         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
4804         library paths.
4805         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
4806
4807 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
4808
4809         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
4810         the same as a minus without a shift.
4811
4812 2009-04-14  Nick Clifton  <nickc@redhat.com>
4813
4814         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
4815         comparisons with small integers will always produce a short
4816         branch.
4817
4818 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
4819
4820         Merge:
4821         2008-12-19  Diego Novillo  <dnovillo@google.com>
4822
4823         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
4824
4825 2009-04-14  Richard Guenther  <rguenther@suse.de>
4826
4827         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
4828         verification.
4829         (verify_gimple_assign_binary): Likewise.  Handle shifts and
4830         rotates correctly.
4831         (verify_gimple_phi): Print the mismatched argument position.
4832         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
4833         Fix types.
4834         (vect_update_init_of_dr): Likewise.
4835         * matrix-reorg.c (transform_access_sites): Do what the
4836         comment suggests.
4837         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
4838
4839 2009-04-13  Michael Eager  <eager@eagercon.com>
4840
4841         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
4842         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
4843         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
4844         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
4845         remove duplicate config
4846
4847 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4848
4849         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
4850         file_name:line_number type locator of the call site.
4851
4852 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
4853
4854         * genautomata.c: Put blank after comma.
4855         (automaton_decls): New.
4856         (struct unit_usage): Add comments to member next.
4857         (store_alt_unit_usage): Keep the list ordered.
4858         (unit_present_on_list_p, equal_alternatives_p): New.
4859         (check_regexp_units_distribution): Check units distribution
4860         correctness correctly.
4861         (main): Don't write automata if error is found.  Return correct
4862         exit code.
4863
4864         * config/m68k/cf.md (cfv4_ds): Remove.
4865         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
4866         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
4867
4868         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
4869         power4-load-ext, power4-store, power4-store-update,
4870         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
4871         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
4872         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
4873         power4-sqrt, power4-isync): Modify reservation to make correct
4874         unit distribution to automata.
4875
4876         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
4877         power5-store-update, power5-two, power5-three, power5-lmul,
4878         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
4879
4880 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
4881
4882         * except.c (pass_set_nothrow_function_flags): Set name and add
4883         TODO_dump_func.
4884         (set_nothrow_function_flags): Mention in the dump file when
4885         changing a function to nothrow.
4886
4887 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
4888
4889         PR/39066
4890         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
4891         instead of unsigned long.
4892
4893 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4894
4895         * config/arm/arm.c (return_used_this_function): Remove.
4896         (arm_output_function_prologue): Remove use of
4897         return_used_this_function.
4898         (output_return_instruction): Replace use of
4899         return_used_this_function
4900         by cfun->machine->return_used_this_function.
4901         (arm_output_epilogue): Likewise.
4902         (arm_output_function_epilogue): Likewise.
4903         (thumb_unexpanded_epilogue): Likewise.
4904         * config/arm/arm.h (struct machine_function):
4905         New member return_used_this_function.
4906
4907 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
4908
4909         * doc/install.texi: Correct description of default directory for
4910         --with-gxx-include-dir.
4911
4912 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
4913
4914         * fold-const.c (build_range_check): Properly deal with enumeral and
4915         boolean base types.
4916
4917 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
4918
4919         * doc/invoke.texi (max_gcse_passes): Remove documentation.
4920         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
4921         * params.h (MAX_GCSE_PASSES): Remove.
4922         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
4923         in sequence.  Remove ability to run multiple passes.
4924         (bypass_jumps): Report run as third CPROP pass.
4925
4926 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
4927
4928         PR middle-end/39651
4929         * except.c (can_throw_external): Look at each insn in a SEQUENCE
4930         when deciding whether the whole SEQUENCE can throw.
4931
4932 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
4933
4934         PR target/39740
4935         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
4936         offseted label references.
4937
4938 2009-04-11  Jan Hubicka  <jh@suse.cz>
4939
4940         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
4941
4942 2009-04-11  Richard Guenther  <rguenther@suse.de>
4943
4944         PR middle-end/39732
4945         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
4946         return variables as TREE_ADDRESSABLE.
4947
4948 2009-04-11  Richard Guenther  <rguenther@suse.de>
4949
4950         PR tree-optimization/39713
4951         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
4952         reference trees have SSA_NAME operands.
4953
4954 2009-04-11  Richard Guenther  <rguenther@suse.de>
4955
4956         PR c/39712
4957         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
4958         address expressions.
4959
4960 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
4961
4962         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
4963         match changes in Cygwin 1.7
4964         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
4965         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
4966
4967 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
4968
4969         PR tree-optimization/39701
4970         * doc/invoke.texi (Optimization Options): Document change in
4971         meaning and initialization of -fdelete-null-pointer-checks.
4972
4973 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
4974
4975         PR middle-end/39701
4976         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
4977
4978         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
4979         here.
4980
4981         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
4982
4983 2009-04-10  Chao-ying Fu  <fu@mips.com>
4984
4985         * doc/tm.texi (Instruction Output): Document
4986         TARGET_ASM_FINAL_POSTSCAN_INSN.
4987         * target.h (final_postscan_insn): New field in asm_out.
4988         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
4989         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
4990         * final.c (final_scan_insn): Call
4991         targetm.asm_out.final_postscan_insn after outputting
4992         an asm macro and a normal instruction.
4993
4994         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
4995         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
4996         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
4997         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
4998         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
4999
5000 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5001
5002         PR middle-end/39701
5003         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
5004         variables as non-NULL even with -fdelete-null-pointer-checks.
5005
5006 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5007
5008         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
5009
5010 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5011
5012         PR target/39678
5013         * config/i386/i386.c (classify_argument): Handle SCmode with
5014         (bit_offset % 64) != 0.
5015
5016 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
5017
5018         * doc/invoke.texi (Optimize Options): Add cross-reference to
5019         -Q --help=optimizers examples.
5020
5021 2009-04-10  Ben Elliston  <bje@au.ibm.com>
5022
5023         PR target/36800
5024         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
5025         regalign for the reg == fpr and TDmode case.
5026
5027 2009-04-09  David Ayers  <ayers@fsfe.org>
5028
5029         PR objc/29200
5030         * objc/objc-act.c (warn_with_method): Remove helper function.
5031         (check_duplicates): Call warning and inform directly.
5032         (really_start_method): Likewise.
5033
5034 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5035
5036         * expmed.c (expand_divmod): Always use a comparison for a division
5037         by a large unsigned integer.
5038
5039         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
5040         for things others than variables or functions as nonzero.
5041
5042 2009-04-09  Nick Clifton  <nickc@redhat.com>
5043
5044         * unwind-compat.c: Change copyright header to refer to version
5045         3 of the GNU General Public License with version 3.1 of the
5046         GCC Runtime Library Exception and to point readers at the
5047         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
5048         * config/alpha/crtfastmath.c: Likewise.
5049         * config/alpha/linux-unwind.h: Likewise.
5050         * config/alpha/qrnnd.asm: Likewise.
5051         * config/alpha/vms-crt0-64.c: Likewise.
5052         * config/alpha/vms-crt0.c: Likewise.
5053         * config/alpha/vms-dwarf2.asm: Likewise.
5054         * config/alpha/vms-dwarf2eh.asm: Likewise.
5055         * config/alpha/vms-psxcrt0-64.c: Likewise.
5056         * config/alpha/vms-psxcrt0.c: Likewise.
5057         * config/alpha/vms_tramp.asm: Likewise.
5058         * config/arc/initfini.c: Likewise.
5059         * config/arc/lib1funcs.asm: Likewise.
5060         * config/arm/bpabi-v6m.S: Likewise.
5061         * config/arm/bpabi.S: Likewise.
5062         * config/arm/bpabi.c: Likewise.
5063         * config/arm/crti.asm: Likewise.
5064         * config/arm/crtn.asm: Likewise.
5065         * config/arm/ieee754-df.S: Likewise.
5066         * config/arm/ieee754-sf.S: Likewise.
5067         * config/arm/lib1funcs.asm: Likewise.
5068         * config/arm/libunwind.S: Likewise.
5069         * config/arm/linux-atomic.c: Likewise.
5070         * config/arm/mmintrin.h: Likewise.
5071         * config/arm/pr-support.c: Likewise.
5072         * config/arm/unaligned-funcs.c: Likewise.
5073         * config/arm/unwind-arm.c: Likewise.
5074         * config/arm/unwind-arm.h: Likewise.
5075         * config/avr/libgcc.S: Likewise.
5076         * config/bfin/crti.s: Likewise.
5077         * config/bfin/crtlibid.s: Likewise.
5078         * config/bfin/crtn.s: Likewise.
5079         * config/bfin/lib1funcs.asm: Likewise.
5080         * config/bfin/linux-unwind.h: Likewise.
5081         * config/cris/arit.c: Likewise.
5082         * config/cris/cris_abi_symbol.c: Likewise.
5083         * config/darwin-64.c: Likewise.
5084         * config/darwin-crt2.c: Likewise.
5085         * config/darwin-crt3.c: Likewise.
5086         * config/darwin.h: Likewise.
5087         * config/dbxelf.h: Likewise.
5088         * config/dfp-bit.c: Likewise.
5089         * config/dfp-bit.h: Likewise.
5090         * config/elfos.h: Likewise.
5091         * config/fixed-bit.c: Likewise.
5092         * config/fixed-bit.h: Likewise.
5093         * config/fp-bit.c: Likewise.
5094         * config/fp-bit.h: Likewise.
5095         * config/fr30/crti.asm: Likewise.
5096         * config/fr30/crtn.asm: Likewise.
5097         * config/fr30/lib1funcs.asm: Likewise.
5098         * config/freebsd-spec.h: Likewise.
5099         * config/frv/cmovd.c: Likewise.
5100         * config/frv/cmovh.c: Likewise.
5101         * config/frv/cmovw.c: Likewise.
5102         * config/frv/frvbegin.c: Likewise.
5103         * config/frv/frvend.c: Likewise.
5104         * config/frv/lib1funcs.asm: Likewise.
5105         * config/glibc-stdint.h: Likewise.
5106         * config/h8300/clzhi2.c: Likewise.
5107         * config/h8300/crti.asm: Likewise.
5108         * config/h8300/crtn.asm: Likewise.
5109         * config/h8300/ctzhi2.c: Likewise.
5110         * config/h8300/fixunssfsi.c: Likewise.
5111         * config/h8300/lib1funcs.asm: Likewise.
5112         * config/h8300/parityhi2.c: Likewise.
5113         * config/h8300/popcounthi2.c: Likewise.
5114         * config/i386/ammintrin.h: Likewise.
5115         * config/i386/att.h: Likewise.
5116         * config/i386/avxintrin.h: Likewise.
5117         * config/i386/biarch64.h: Likewise.
5118         * config/i386/bmmintrin.h: Likewise.
5119         * config/i386/cpuid.h: Likewise.
5120         * config/i386/cross-stdarg.h: Likewise.
5121         * config/i386/crtfastmath.c: Likewise.
5122         * config/i386/crtprec.c: Likewise.
5123         * config/i386/cygming-crtbegin.c: Likewise.
5124         * config/i386/cygming-crtend.c: Likewise.
5125         * config/i386/cygwin.asm: Likewise.
5126         * config/i386/emmintrin.h: Likewise.
5127         * config/i386/gmm_malloc.h: Likewise.
5128         * config/i386/gthr-win32.c: Likewise.
5129         * config/i386/i386.h: Likewise.
5130         * config/i386/immintrin.h: Likewise.
5131         * config/i386/linux-unwind.h: Likewise.
5132         * config/i386/linux64.h: Likewise.
5133         * config/i386/mm3dnow.h: Likewise.
5134         * config/i386/mmintrin-common.h: Likewise.
5135         * config/i386/mmintrin.h: Likewise.
5136         * config/i386/nmmintrin.h: Likewise.
5137         * config/i386/pmm_malloc.h: Likewise.
5138         * config/i386/pmmintrin.h: Likewise.
5139         * config/i386/smmintrin.h: Likewise.
5140         * config/i386/sol2-c1.asm: Likewise.
5141         * config/i386/sol2-ci.asm: Likewise.
5142         * config/i386/sol2-cn.asm: Likewise.
5143         * config/i386/sol2-gc1.asm: Likewise.
5144         * config/i386/tmmintrin.h: Likewise.
5145         * config/i386/unix.h: Likewise.
5146         * config/i386/w32-unwind.h: Likewise.
5147         * config/i386/wmmintrin.h: Likewise.
5148         * config/i386/x86-64.h: Likewise.
5149         * config/i386/x86intrin.h: Likewise.
5150         * config/i386/xmmintrin.h: Likewise.
5151         * config/ia64/crtbegin.asm: Likewise.
5152         * config/ia64/crtend.asm: Likewise.
5153         * config/ia64/crtfastmath.c: Likewise.
5154         * config/ia64/crti.asm: Likewise.
5155         * config/ia64/crtn.asm: Likewise.
5156         * config/ia64/fde-glibc.c: Likewise.
5157         * config/ia64/lib1funcs.asm: Likewise.
5158         * config/ia64/linux-unwind.h: Likewise.
5159         * config/ia64/quadlib.c: Likewise.
5160         * config/ia64/unwind-ia64.c: Likewise.
5161         * config/linux.h: Likewise.
5162         * config/m32c/m32c-lib1.S: Likewise.
5163         * config/m32c/m32c-lib2-trapv.c: Likewise.
5164         * config/m32c/m32c-lib2.c: Likewise.
5165         * config/m32r/initfini.c: Likewise.
5166         * config/m68hc11/larith.asm: Likewise.
5167         * config/m68hc11/m68hc11-crt0.S: Likewise.
5168         * config/m68k/cf.md: Likewise.
5169         * config/m68k/crti.s: Likewise.
5170         * config/m68k/crtn.s: Likewise.
5171         * config/m68k/lb1sf68.asm: Likewise.
5172         * config/m68k/linux-unwind.h: Likewise.
5173         * config/mcore/crti.asm: Likewise.
5174         * config/mcore/crtn.asm: Likewise.
5175         * config/mcore/lib1.asm: Likewise.
5176         * config/mips/linux-unwind.h: Likewise.
5177         * config/mips/loongson.h: Likewise.
5178         * config/mips/mips16.S: Likewise.
5179         * config/mmix/crti.asm: Likewise.
5180         * config/mmix/crtn.asm: Likewise.
5181         * config/pa/fptr.c: Likewise.
5182         * config/pa/hpux-unwind.h: Likewise.
5183         * config/pa/lib2funcs.asm: Likewise.
5184         * config/pa/linux-atomic.c: Likewise.
5185         * config/pa/linux-unwind.h: Likewise.
5186         * config/pa/milli64.S: Likewise.
5187         * config/pa/quadlib.c: Likewise.
5188         * config/pa/stublib.c: Likewise.
5189         * config/picochip/libgccExtras/adddi3.asm: Likewise.
5190         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
5191         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
5192         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
5193         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
5194         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
5195         * config/picochip/libgccExtras/divmod15.asm: Likewise.
5196         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
5197         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
5198         * config/picochip/libgccExtras/longjmp.asm: Likewise.
5199         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
5200         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
5201         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
5202         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
5203         * config/picochip/libgccExtras/setjmp.asm: Likewise.
5204         * config/picochip/libgccExtras/subdi3.asm: Likewise.
5205         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
5206         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
5207         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
5208         * config/rs6000/750cl.h: Likewise.
5209         * config/rs6000/altivec.h: Likewise.
5210         * config/rs6000/biarch64.h: Likewise.
5211         * config/rs6000/crtresfpr.asm: Likewise.
5212         * config/rs6000/crtresgpr.asm: Likewise.
5213         * config/rs6000/crtresxfpr.asm: Likewise.
5214         * config/rs6000/crtresxgpr.asm: Likewise.
5215         * config/rs6000/crtsavfpr.asm: Likewise.
5216         * config/rs6000/crtsavgpr.asm: Likewise.
5217         * config/rs6000/darwin-asm.h: Likewise.
5218         * config/rs6000/darwin-fallback.c: Likewise.
5219         * config/rs6000/darwin-fpsave.asm: Likewise.
5220         * config/rs6000/darwin-ldouble.c: Likewise.
5221         * config/rs6000/darwin-tramp.asm: Likewise.
5222         * config/rs6000/darwin-unwind.h: Likewise.
5223         * config/rs6000/darwin-vecsave.asm: Likewise.
5224         * config/rs6000/darwin-world.asm: Likewise.
5225         * config/rs6000/e500crtres32gpr.asm: Likewise.
5226         * config/rs6000/e500crtres64gpr.asm: Likewise.
5227         * config/rs6000/e500crtres64gprctr.asm: Likewise.
5228         * config/rs6000/e500crtrest32gpr.asm: Likewise.
5229         * config/rs6000/e500crtrest64gpr.asm: Likewise.
5230         * config/rs6000/e500crtresx32gpr.asm: Likewise.
5231         * config/rs6000/e500crtresx64gpr.asm: Likewise.
5232         * config/rs6000/e500crtsav32gpr.asm: Likewise.
5233         * config/rs6000/e500crtsav64gpr.asm: Likewise.
5234         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
5235         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
5236         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
5237         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
5238         * config/rs6000/eabi-ci.asm: Likewise.
5239         * config/rs6000/eabi-cn.asm: Likewise.
5240         * config/rs6000/eabi.asm: Likewise.
5241         * config/rs6000/linux-unwind.h: Likewise.
5242         * config/rs6000/linux64.h: Likewise.
5243         * config/rs6000/paired.h: Likewise.
5244         * config/rs6000/paired.md: Likewise.
5245         * config/rs6000/ppc64-fp.c: Likewise.
5246         * config/rs6000/ppu_intrinsics.h: Likewise.
5247         * config/rs6000/rs6000.h: Likewise.
5248         * config/rs6000/si2vmx.h: Likewise.
5249         * config/rs6000/sol-ci.asm: Likewise.
5250         * config/rs6000/sol-cn.asm: Likewise.
5251         * config/rs6000/spe.h: Likewise.
5252         * config/rs6000/spu2vmx.h: Likewise.
5253         * config/rs6000/sysv4.h: Likewise.
5254         * config/rs6000/tramp.asm: Likewise.
5255         * config/rs6000/vec_types.h: Likewise.
5256         * config/s390/linux-unwind.h: Likewise.
5257         * config/s390/tpf-unwind.h: Likewise.
5258         * config/score/crti.asm: Likewise.
5259         * config/score/crtn.asm: Likewise.
5260         * config/sh/crt1.asm: Likewise.
5261         * config/sh/crti.asm: Likewise.
5262         * config/sh/crtn.asm: Likewise.
5263         * config/sh/divtab-sh4-300.c: Likewise.
5264         * config/sh/divtab-sh4.c: Likewise.
5265         * config/sh/divtab.c: Likewise.
5266         * config/sh/lib1funcs-4-300.asm: Likewise.
5267         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
5268         * config/sh/lib1funcs.asm: Likewise.
5269         * config/sh/lib1funcs.h: Likewise.
5270         * config/sh/linux-atomic.asm: Likewise.
5271         * config/sh/linux-unwind.h: Likewise.
5272         * config/sh/shmedia.h: Likewise.
5273         * config/sh/sshmedia.h: Likewise.
5274         * config/sh/ushmedia.h: Likewise.
5275         * config/sparc/crtfastmath.c: Likewise.
5276         * config/sparc/linux-unwind.h: Likewise.
5277         * config/sparc/sol2-c1.asm: Likewise.
5278         * config/sparc/sol2-ci.asm: Likewise.
5279         * config/sparc/sol2-cn.asm: Likewise.
5280         * config/spu/divmodti4.c: Likewise.
5281         * config/spu/divv2df3.c: Likewise.
5282         * config/spu/float_disf.c: Likewise.
5283         * config/spu/float_unsdidf.c: Likewise.
5284         * config/spu/float_unsdisf.c: Likewise.
5285         * config/spu/float_unssidf.c: Likewise.
5286         * config/spu/mfc_multi_tag_release.c: Likewise.
5287         * config/spu/mfc_multi_tag_reserve.c: Likewise.
5288         * config/spu/mfc_tag_release.c: Likewise.
5289         * config/spu/mfc_tag_reserve.c: Likewise.
5290         * config/spu/mfc_tag_table.c: Likewise.
5291         * config/spu/multi3.c: Likewise.
5292         * config/spu/spu_internals.h: Likewise.
5293         * config/spu/spu_intrinsics.h: Likewise.
5294         * config/spu/spu_mfcio.h: Likewise.
5295         * config/spu/vec_types.h: Likewise.
5296         * config/spu/vmx2spu.h: Likewise.
5297         * config/stormy16/stormy16-lib2.c: Likewise.
5298         * config/svr4.h: Likewise.
5299         * config/sync.c: Likewise.
5300         * config/v850/lib1funcs.asm: Likewise.
5301         * config/vxlib-tls.c: Likewise.
5302         * config/vxlib.c: Likewise.
5303         * config/vxworks-dummy.h: Likewise.
5304         * config/xtensa/crti.asm: Likewise.
5305         * config/xtensa/crtn.asm: Likewise.
5306         * config/xtensa/ieee754-df.S: Likewise.
5307         * config/xtensa/ieee754-sf.S: Likewise.
5308         * config/xtensa/lib1funcs.asm: Likewise.
5309         * config/xtensa/lib2funcs.S: Likewise.
5310         * config/xtensa/linux-unwind.h: Likewise.
5311         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
5312         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
5313         * coretypes.h: Likewise.
5314         * crtstuff.c: Likewise.
5315         * defaults.h: Likewise.
5316         * dwarf2.h: Likewise.
5317         * emutls.c: Likewise.
5318         * gbl-ctors.h: Likewise.
5319         * gcov-io.h: Likewise.
5320         * ginclude/float.h: Likewise.
5321         * ginclude/iso646.h: Likewise.
5322         * ginclude/stdarg.h: Likewise.
5323         * ginclude/stdbool.h: Likewise.
5324         * ginclude/stddef.h: Likewise.
5325         * ginclude/stdfix.h: Likewise.
5326         * ginclude/stdint-gcc.h: Likewise.
5327         * ginclude/tgmath.h: Likewise.
5328         * gthr-aix.h: Likewise.
5329         * gthr-dce.h: Likewise.
5330         * gthr-gnat.c: Likewise.
5331         * gthr-gnat.h: Likewise.
5332         * gthr-lynx.h: Likewise.
5333         * gthr-mipssde.h: Likewise.
5334         * gthr-nks.h: Likewise.
5335         * gthr-posix.c: Likewise.
5336         * gthr-posix.h: Likewise.
5337         * gthr-posix95.h: Likewise.
5338         * gthr-rtems.h: Likewise.
5339         * gthr-single.h: Likewise.
5340         * gthr-solaris.h: Likewise.
5341         * gthr-tpf.h: Likewise.
5342         * gthr-vxworks.h: Likewise.
5343         * gthr-win32.h: Likewise.
5344         * gthr.h: Likewise.
5345         * libgcc2.c: Likewise.
5346         * libgcc2.h: Likewise.
5347         * libgcov.c: Likewise.
5348         * tsystem.h: Likewise.
5349         * typeclass.h: Likewise.
5350         * unwind-c.c: Likewise.
5351         * unwind-compat.h: Likewise.
5352         * unwind-dw2-fde-compat.c: Likewise.
5353         * unwind-dw2-fde-darwin.c: Likewise.
5354         * unwind-dw2-fde-glibc.c: Likewise.
5355         * unwind-dw2-fde.c: Likewise.
5356         * unwind-dw2-fde.h: Likewise.
5357         * unwind-dw2.c: Likewise.
5358         * unwind-dw2.h: Likewise.
5359         * unwind-generic.h: Likewise.
5360         * unwind-pe.h: Likewise.
5361         * unwind-sjlj.c: Likewise.
5362         * unwind.inc: Likewise.
5363         * config/arm/neon-gen.ml: Change generated copyright header to
5364         refer to version 3 of the GNU General Public License with
5365         version 3.1 of the GCC Runtime Library Exception and to point
5366         readers at the COPYING3 and COPYING3.RUNTIME files and the
5367         FSF's license web page.
5368         * config/arm/arm_neon.h: Regenerate.
5369
5370 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
5371
5372         * config/cris/cris.md: Change copyright header to refer to version
5373         3 of the GNU General Public License.
5374         * doc/install.texi2html: Change copyright header to refer to version
5375         3 of the GNU General Public License and to point readers at the
5376         COPYING3 file and the FSF's license web page.
5377         * config/vax/linux.h: Likewise.
5378
5379 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5380
5381         * config/i386/i386.md (cmpcc): New.
5382         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
5383         (sync_compare_and_swap_cc*): Delete.
5384
5385         * config/s390/s390.c (s390_compare_emitted): Remove.
5386         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
5387         s390_compare_emitted used to be handled.  Assert that modes match.
5388         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
5389         refer to sync_compare_and_swap_ccsi.
5390         * config/s390/s390.h (s390_compare_emitted): Remove.
5391         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
5392         instead of s390_compare_emitted.
5393         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
5394         instead of s390_compare_emitted.
5395         * config/s390/s390.md (cmpcc): New.
5396         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
5397         CC_REGNUM, do not pretend it's set.
5398         (sync_compare_and_swap_cc*): Delete.
5399         * config/s390/predicates.md (cc_reg_operand): New.
5400
5401         * expr.c (sync_compare_and_swap_cc): Delete.
5402         * optabs.h (sync_compare_and_swap_cc): Delete.
5403         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
5404         is being used with can_compare_p.
5405         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
5406         (find_cc_set): New.
5407         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
5408         look for a MODE_CC set instead.  Use emit_store_flag.
5409         (expand_compare_and_swap_loop): Likewise, with some additional
5410         complication to avoid a force_reg when useless.  Use
5411         emit_cmp_and_jump_insns.
5412         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
5413         * doc/md.texi (sync_compare_and_swap_cc): Merge with
5414         sync_compare_and_swap documentation.
5415
5416 2009-04-09  Jan Hubicka  <jh@suse.cz>
5417
5418         * except.c (find_prev_try): Break out from ....
5419         (duplicate_eh_regions): ... here; properly update prev_try pointers
5420         when duplication part of tree.
5421         (dump_eh_tree): Improve dumping.
5422         (verify_eh_region): New.
5423         (verify_eh_tree): Use it.
5424
5425 2009-04-06  Richard Guenther  <rguenther@suse.de>
5426
5427         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
5428         &ARRAY addresses by adjusting their types and prepending
5429         a conversion.
5430         * tree-cfg.c (verify_gimple_assign_single): Verify that
5431         addresses are correct.
5432
5433 2009-04-09  Richard Guenther  <rguenther@suse.de>
5434
5435         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
5436         indices into an array reference if possible.
5437         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
5438         Fold POINTER_PLUS_EXPR statements with invariant address.
5439
5440 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
5441
5442         PR target/39634
5443         * config.gcc (powerpc64-*-linux*): Always build biarch.
5444
5445 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
5446
5447         PR c/39613
5448         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
5449         it and pedwarn if this results in an INTEGER_CST.
5450
5451 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5452
5453         * doc/install.texi: Update minimum GMP version.  Remove obsolete
5454         text in MPFR section.
5455
5456 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
5457
5458         * dwarf2out.c (class_scope_p): New static inline.
5459         (class_or_namespace_scope_p): Use it.
5460         (gen_variable_die): Use DW_TAG_member tag for static data member
5461         declarations instead of DW_TAG_variable.
5462
5463         PR middle-end/39573
5464         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
5465         variables.
5466
5467 2009-04-08  Richard Guenther  <rguenther@suse.de>
5468
5469         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
5470         valueize random data.
5471
5472 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
5473
5474         * config.gcc (aix tm_file):  Add aix-stdint.h.
5475         (aix tm clause use_gcc_stdint):  Set to wrap.
5476         * config/rs6000/aix-stdint.h:  New file.
5477
5478 2009-04-08  Richard Guenther  <rguenther@suse.de>
5479
5480         PR middle-end/36291
5481         * tree-dfa.c (add_referenced_var): Do not recurse into
5482         global initializers.
5483         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
5484         exposed variables.
5485         (fold_const_aggregate_ref): Likewise.
5486
5487 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5488
5489         * recog.c (ordered_comparison_operator): New.
5490         * gensupport.c (std_preds): Add it.
5491         * doc/md.texi (Machine-Independent Predicates): Document it.
5492
5493 2009-04-08  Jan Hubicka  <jh@suse.cz>
5494
5495         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
5496         * function.h (rtl_eh): Remove exception_handler_label_map.
5497         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
5498         remove_exception_handler_label, for_each_eh_label_1): Remove.
5499         (rtl_remove_unreachable_regions): Remove.
5500         (convert_from_eh_region_ranges): Do not remove unreachable regions.
5501         (find_exception_handler_labels): Don't build the hashtable.
5502         (maybe_remove_eh_handler): Remove.
5503         (for_each_eh_label): Rewrite to walk the tree.
5504         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
5505         * except.h (maybe_remove_eh_handler): Remove.
5506         * passes.c (init_optimization_passes): Schedule second EH cleanup
5507         before out-of-ssa.
5508         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
5509         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
5510
5511 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5512
5513         * genoutput.c (validate_optab_operands): New.
5514         (gen_insn, gen_expand): Call it.
5515
5516         * genflags.c (gen_insn): Detect misused iterators.
5517         (main): Pass line_no to gen_insn, exit with status 1 on error.
5518
5519         * genextract.c (line_no): Make global.
5520         (VEC_safe_set_locstr): Change assertion to error message.
5521         (main): Exit with status 1 on error.
5522
5523 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
5524
5525         PR c/39614
5526         PR c/39673
5527         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
5528         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
5529         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
5530         * c-convert.c (convert): Do not call fold on results of conversion
5531         functions when the result is a C_MAYBE_CONST_EXPR.
5532         * c-parser.c (c_parser_postfix_expression): Do not fold condition
5533         of __builtin_choose_expr.
5534         * c-typeck.c (remove_c_maybe_const_expr): New.
5535         (build_unary_op, build_conditional_expr, build_compound_expr,
5536         build_binary_op, c_objc_common_truthvalue_conversion): Call
5537         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
5538         integer operands.
5539
5540 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
5541
5542         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
5543         CODE to produce a new one. Add a prototype to use fold_convert_const
5544
5545 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
5546
5547         PR bootstrap/39660
5548         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
5549         mix declarations and code.
5550
5551 2009-04-08  Ben Elliston  <bje@au.ibm.com>
5552
5553         * gcc.c: Replace `CC' with `GCC' throughout.
5554
5555 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
5556
5557         * doc/invoke.texi: Document Atom support.
5558
5559 2009-04-07  Jason Merrill  <jason@redhat.com>
5560
5561         PR c++/25185
5562         * c-common.h, c-common.c: Add flag_pretty_templates.
5563         * c-opts.c (c_common_handle_option): Set it.
5564         * c.opt: Add -fno-pretty-templates.
5565         * doc/invoke.texi (C++ Dialect Options): Likewise.
5566
5567 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
5568
5569         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
5570         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
5571         (ia64_expand_builtin): Likewise.
5572
5573 2009-04-07  Martin Jambor  <mjambor@suse.cz>
5574
5575         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
5576         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
5577         ADDR_EXPRS are include too.
5578
5579 2009-04-07  Richard Guenther  <rguenther@suse.de>
5580
5581         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
5582         decls are only used if passes as parameters or if they are
5583         local statics and the call is not to a builtin.
5584         (call_may_clobber_ref_p_1): Likewise.
5585
5586 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5587
5588         * expr.c (do_store_flag): Remove last argument.  Simplify code
5589         to avoid duplication of tests already done by can_compare_p.
5590         (expand_expr_real_1): Adjust caller.
5591
5592 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5593
5594         * optabs.c (can_compare_p): Test the predicate of a
5595         cbranch and cstore pattern.
5596
5597 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5598
5599         * expr.c (convert_move): Use emit_store_flag instead of
5600         "emulating" it.
5601
5602 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5603
5604         * config/i386/i386.c (ix86_compare_emitted): Remove.
5605         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
5606         ix86_compare_op0 like ix86_compare_emitted used to be handled.
5607         * config/i386/i386.h (ix86_compare_emitted): Remove.
5608         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
5609         instead of ix86_compare_emitted.
5610         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
5611
5612 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
5613
5614         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
5615         Add t-sysroot-suffix to tmake_file.
5616         * config/print-sysroot-suffix.sh: New file.
5617         * config/t-sysroot-suffix: New file.
5618
5619 2009-04-07  Ben Elliston  <bje@au.ibm.com>
5620
5621         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
5622         as the latter produces a warning when the target does not support
5623         infinity.
5624
5625 2009-04-07  Ben Elliston  <bje@au.ibm.com>
5626
5627         * dfp.c: Replace type punning assignments with memcpy throughout.
5628         * Makefile.in (dfp.o-warn): Remove.
5629
5630 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
5631
5632         PR target/39634
5633         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
5634         Include soft-fp/t-softfp after rs6000/t-linux64.
5635
5636 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
5637
5638         * stor-layout.c (set_sizetype): Use the full precision of their
5639         machine mode for bitsize types.
5640
5641 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
5642
5643         * config/i386/i386.md: Revert 2 accidental checkins.
5644
5645 2009-04-06  Joey Ye  <joey.ye@intel.com>
5646             Xuepeng Guo  <xuepeng.guo@intel.com>
5647             H.J. Lu  <hongjiu.lu@intel.com>
5648
5649         Atom pipeline model, tuning and insn selection.
5650         * config.gcc (atom): Add atom config options and target.
5651
5652         * config/i386/atom.md: New.
5653
5654         * config/i386/i386.c (atom_cost): New cost.
5655         (m_ATOM): New macro flag.
5656         (initial_ix86_tune_features): Set m_ATOM.
5657         (x86_accumulate_outgoing_args): Likewise.
5658         (x86_arch_always_fancy_math_387): Likewise.
5659         (processor_target): Add Atom cost.
5660         (cpu_names): Add Atom cpu name.
5661         (override_options): Set Atom ISA.
5662         (ix86_issue_rate): New case PROCESSOR_ATOM.
5663         (ix86_adjust_cost): Likewise.
5664
5665         * config/i386/i386.h (TARGET_ATOM): New target macro.
5666         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
5667         (TARGET_OPT_AGU): New target option.
5668         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
5669         (processor_type): Add PROCESSOR_ATOM.
5670
5671         * config/i386/i386.md (cpu): Add new value "atom".
5672         (use_carry, movu): New attr.
5673         (atom.md): Include atom.md.
5674         (adddi3_carry_rex64): Set attr "use_carry".
5675         (addqi3_carry): Likewise.
5676         (addhi3_carry): Likewise.
5677         (addsi3_carry): Likewise.
5678         (*addsi3_carry_zext): Likewise.
5679         (subdi3_carry_rex64): Likewise.
5680         (subqi3_carry): Likewise.
5681         (subhi3_carry): Likewise.
5682         (subsi3_carry): Likewise.
5683         (x86_movdicc_0_m1_rex64): Likewise.
5684         (*x86_movdicc_0_m1_se): Likewise.
5685         (x86_movsicc_0_m1): Likewise.
5686         (*x86_movsicc_0_m1_se): Likewise.
5687         (*adddi_1_rex64): Emit add insn as much as possible.
5688         (*addsi_1): Likewise.
5689         (return_internal): Set atom_unit.
5690         (return_internal_long): Likewise.
5691         (return_pop_internal): Likewise.
5692         (*rcpsf2_sse): Set atom_sse_attr attr.
5693         (*qrt<mode>2_sse): Likewise.
5694         (*prefetch_sse): Likewise.
5695
5696         * config/i386/i386-c.c (ix86_target_macros_internal): New case
5697         PROCESSOR_ATOM.
5698         (ix86_target_macros_internal): Likewise.
5699
5700         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
5701         (*prefetch_sse_rex): Likewise.
5702         (sse_rcpv4sf2): Likewise.
5703         (sse_vmrcpv4sf2): Likewise.
5704         (sse_sqrtv4sf2): Likewise.
5705         (<sse>_vmsqrt<mode>2): Likewise.
5706         (sse_ldmxcsr): Likewise.
5707         (sse_stmxcsr): Likewise.
5708         (*sse_sfence): Likewise.
5709         (sse2_clflush): Likewise.
5710         (*sse2_mfence): Likewise.
5711         (*sse2_lfence): Likewise.
5712         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
5713         (<sse>_movup<ssemodesuffixf2c>): Likewise.
5714         (avx_movdqu<avxmodesuffix>): Likewise.
5715         (avx_lddqu<avxmodesuffix>): Likewise.
5716         (sse2_movntv2di): Change attr "type" to "ssemov".
5717         (sse2_movntsi): Likewise.
5718         (rsqrtv8sf2): Change attr "type" to "sseadd".
5719         (sse3_addsubv2df3): Set attr "atom_unit".
5720         (sse3_h<plusminus_insn>v4sf3): Likewise.
5721         (*sse2_pmaddwd): Likewise.
5722         (*vec_extractv2di_1_rex64): Likewise.
5723         (*vec_extractv2di_1_avx): Likewise.
5724         (sse2_psadbw): Likewise.
5725         (ssse3_phaddwv8hi3): Likewise.
5726         (ssse3_phaddwv4hi3): Likewise.
5727         (ssse3_phadddv4si3): Likewise.
5728         (ssse3_phadddv2si3): Likewise.
5729         (ssse3_phaddswv8hi3): Likewise.
5730         (ssse3_phaddswv4hi3): Likewise.
5731         (ssse3_phsubwv8hi3): Likewise.
5732         (ssse3_phsubwv4hi3): Likewise.
5733         (ssse3_phsubdv4si3): Likewise.
5734         (ssse3_phsubdv2si3): Likewise.
5735         (ssse3_phsubswv8hi3): Likewise.
5736         (ssse3_phsubswv4hi3): Likewise.
5737         (ssse3_pmaddubsw128): Likewise.
5738         (sse3_pmaddubsw: Likewise.
5739         (ssse3_palignrti): Likewise.
5740         (ssse3_palignrdi): Likewise.
5741
5742 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
5743
5744         * doc/install.texi (Specific): Fix two cross-references to MinGW.
5745
5746 2009-04-06  Richard Guenther  <rguenther@suse.de>
5747
5748         PR tree-optimization/28868
5749         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
5750         of which PHI results we inserted.
5751         (insert_into_preds_of_block): Record inserted PHIs.
5752         (eliminate): Eliminate redundant PHI nodes.
5753         (init_pre): Init inserted_phi_names.
5754
5755 2009-04-06  Richard Guenther  <rguenther@suse.de>
5756
5757         PR tree-optimization/39643
5758         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
5759         IMAGPART_EXPRs of complex constants.
5760         (execute_fold_all_builtins): If we folded a call queue
5761         TODO_update_address_taken.
5762
5763 2009-04-06  Jan Hubicka  <jh@suse.cz>
5764
5765         PR middle-end/39659
5766         * except.c (remove_unreachable_regions): Propagate may_contain_throw
5767         flag.
5768
5769 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
5770
5771         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
5772         delay slot.
5773         (ic_invalidate_array): Likewise.
5774
5775 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
5776
5777         * calls.c (emit_library_call_value_1): Fix a problem with parameter
5778         alignment for library calls.
5779
5780 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
5781
5782         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
5783         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
5784         * config/i386/mingw-stdint.h:  New file.
5785
5786 2009-04-05  Richard Guenther  <rguenther@suse.de>
5787
5788         PR tree-optimization/39648
5789         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
5790         our &A vs. &A[0] IL deficiencies.
5791
5792 2009-04-04  Jan Hubicka  <jh@suse.cz>
5793
5794         * except.c (sjlj_find_directly_reachable_regions): Be ready for
5795         removed toplevel regions.
5796         (sjlj_mark_call_sites): Likewise.
5797
5798 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
5799
5800         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
5801         (cygwin tm clause use_gcc_stdint):  Set to wrap.
5802         * config/i386/cygwin-stdint.h:  New file.
5803
5804 2009-04-04  Richard Guenther  <rguenther@suse.de>
5805
5806         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
5807         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
5808         single-argument PHIs if we are in loop-closed SSA form.
5809         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
5810         for the pre-condition.
5811         (slpeel_tree_peel_loop_to_edge): Likewise.
5812         (vect_build_loop_niters): Take an optional sequence to append stmts.
5813         (vect_generate_tmps_on_preheader): Likewise.
5814         (vect_do_peeling_for_loop_bound): Take extra guards for the
5815         pre-condition.
5816         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
5817         the cost model check.
5818         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
5819         guards if we are going to peel.  Do not apply versioning in that case.
5820         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
5821         (vect_do_peeling_for_loop_bound): Likewise.
5822         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
5823         loop bound only record extra pre-conditions, do not apply loop
5824         versioning.
5825
5826 2009-04-04  Richard Guenther  <rguenther@suse.de>
5827
5828         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
5829         renaming code.
5830
5831 2009-04-04  Jan Hubicka  <jh@suse.cz>
5832
5833         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
5834         last_basic_block for size of bb->index indexed array.
5835         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
5836         compute_out, link_btr_uses, build_btr_def_use_webs,
5837         build_btr_def_use_webs, migrate_btr_defs): Likewise.
5838
5839 2009-04-04  Jan Hubicka  <jh@suse.cz>
5840
5841         * except.c (remove_eh_handler_and_replace): Break out from ...
5842         (remove_eh_handler): ... here.
5843         (bring_to_root): New function.
5844         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
5845         handled ones, bring others to root of tree.
5846
5847 2009-04-04  Jan Hubicka  <jh@suse.cz>
5848
5849         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
5850         (all_phis_safe_to_merge): New function.
5851         (update_info): New structure.
5852         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
5853         (cleanup_empty_eh): Update SSA if possible.
5854
5855 2009-04-04  Richard Guenther  <rguenther@suse.de>
5856
5857         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
5858         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
5859         (append_vuse): Likewise.
5860
5861 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
5862
5863         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
5864         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
5865         instead of REG_UNSAVED for DW_CFA_undefined.
5866         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
5867         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
5868         outermost frame.
5869
5870 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
5871
5872         PR target/39501
5873         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
5874         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
5875         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
5876
5877 2009-04-04  Richard Guenther  <rguenther@suse.de>
5878
5879         PR tree-optimization/8781
5880         PR tree-optimization/37892
5881         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
5882         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
5883         (valueize_refs): Call it for *& valueizations.
5884         (shared_reference_ops_from_ref): Rename to ...
5885         (valueize_shared_reference_ops_from_ref): ... this and valueize.
5886         (shared_reference_ops_from_call): Rename to ...
5887         (valueize_shared_reference_ops_from_call): ... this and valueize.
5888         (vn_reference_lookup): Update.
5889         (visit_reference_op_call): Likewise.
5890         * tree-ssa-pre.c (phi_translate_1): Fold *&.
5891         (eliminate): Value-replace the call address in call statements.
5892
5893 2009-04-04  Richard Guenther  <rguenther@suse.de>
5894
5895         PR tree-optimization/39636
5896         * tree-ssa-forwprop.c
5897         (forward_propagate_addr_into_variable_array_index): Check for
5898         GIMPLE_ASSIGN before accessing the rhs code.
5899
5900 2009-04-03  Jason Merrill  <jason@redhat.com>
5901
5902         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
5903
5904 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
5905
5906         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
5907         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
5908         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
5909         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
5910         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
5911         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
5912         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
5913         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
5914         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
5915         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
5916         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
5917         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
5918         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
5919         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
5920         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
5921         Use fr_reg_or_fp01_operand instead of fr_register_operand
5922
5923         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
5924         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
5925         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
5926
5927 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
5928
5929         PR rtl-optimization/39607
5930         PR rtl-optimization/39631
5931
5932         Revert:
5933
5934         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
5935         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
5936         instead of DF_LR_OUT.
5937         * ira-lives.c (process_bb_node_lives): Ditto.
5938         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
5939         instead of DF_LR_{OUT,IN}.
5940         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
5941         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
5942
5943 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
5944
5945         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
5946         (execute_lower_omp): Always run but take the short way out if -fopenmp
5947         is not given.
5948         (gate_lower_omp): Remove, forcing the pass manager to always run the
5949         pass and always set PROP_gimple_lomp.
5950         (pass_lower_omp): Remove gate function.
5951         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
5952         PROP_trees.  Instead, require it.
5953         * ipa-cp.c (pass_ipa_cp): Likewise.
5954         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
5955         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
5956         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
5957         and PROP_gimple_leh.
5958
5959 2009-04-03  Richard Guenther  <rguenther@suse.de>
5960
5961         PR middle-end/13146
5962         PR tree-optimization/23940
5963         PR tree-optimization/33237
5964         PR middle-end/33974
5965         PR middle-end/34093
5966         PR tree-optimization/36201
5967         PR tree-optimization/36230
5968         PR tree-optimization/38049
5969         PR tree-optimization/38207
5970         PR tree-optimization/38230
5971         PR tree-optimization/38301
5972         PR tree-optimization/38585
5973         PR middle-end/38895
5974         PR tree-optimization/38985
5975         PR tree-optimization/39299
5976         * tree-ssa-structalias.h: Remove.
5977         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
5978         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
5979         (struct vuse_element_d): Remove.
5980         (struct vuse_vec_d): Likewise.
5981         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
5982         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
5983         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
5984         VUSE_ELEMENT_VAR): Likewise.
5985         (struct voptype_d): Likewise.
5986         (NUM_VOP_FREE_BUCKETS): Likewise.
5987         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
5988         (struct stmt_operands_d): Remove.
5989         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
5990         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
5991         VDEF_NUM, VDEF_VECT): Likewise.
5992         (copy_virtual_operands): Remove.
5993         (operand_build_cmp): Likewise.
5994         (create_ssa_artificial_load_stmt): Likewise.
5995         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
5996         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
5997         vuse_index and mayuse_index members.  Pack and move done and iter_type
5998         members to the front.
5999         (SSA_OP_VMAYUSE): Remove.
6000         (SSA_OP_VIRTUAL_USES): Adjust.
6001         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
6002         (unlink_stmt_vdef): Declare.
6003         (add_to_addressable_set): Remove.
6004         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
6005         (vrp_visit_stmt): Likewise.
6006         * doc/tree-ssa.texi (Alias analysis): Update.
6007         * doc/invoke.texi (max-aliased-vops): Remove docs.
6008         (avg-aliased-vops): Likewise.
6009         * tree-into-ssa.c (syms_to_rename): Remove.
6010         (need_to_update_vops_p): Likewise.
6011         (need_to_initialize_update_ssa_p): Rename to ...
6012         (update_ssa_initialized_fn): ... this.  Track function we are
6013         initialized for.
6014         (symbol_marked_for_renaming): Simplify.
6015         (add_new_name_mapping): Do not set need_to_update_vops_p.
6016         (dump_currdefs): Use SYMS_TO_RENAME.
6017         (rewrite_update_stmt): Always walk all uses/defs.
6018         (dump_update_ssa): Adjust.
6019         (init_update_ssa): Take function argument.  Track what we are
6020         initialized for.
6021         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
6022         (create_new_def_for): Initialize for cfun, assert we are initialized
6023         for cfun.
6024         (mark_sym_for_renaming): Simplify.
6025         (mark_set_for_renaming): Do not initialize update-ssa.
6026         (need_ssa_update_p): Simplify.  Take function argument.
6027         (name_mappings_registered_p): Assert we ask for the correct function.
6028         (name_registered_for_update_p): Likewise.
6029         (ssa_names_to_replace): Likewise.
6030         (release_ssa_name_after_update_ssa): Likewise.
6031         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
6032         (dump_decl_set): Do not print a newline.
6033         (debug_decl_set): Do it here.
6034         (dump_update_ssa): And here.
6035         * tree-ssa-loop-im.c (move_computations): Adjust.
6036         (movement_possibility): Likewise.
6037         (determine_max_movement): Likewise.
6038         (gather_mem_refs_stmt): Likewise.
6039         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
6040         or NAME_MEMORY_TAG.
6041         * tree-complex.c (update_all_vops): Remove.
6042         (expand_complex_move): Adjust.
6043         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
6044         Simplify test for memory referencing statement.  Exclude
6045         non-invariant ADDR_EXPRs.
6046         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
6047         * tree-loop-distribution.c (generate_memset_zero): Adjust.
6048         (rdg_flag_uses): Likewise.
6049         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
6050         related code.
6051         (tree_optimize_tail_calls_1): Also split the
6052         edge from the entry block if we have degenerate PHI nodes in
6053         the first basic block.
6054         * tree.c (init_ttree): Remove memory-tag related code.
6055         (tree_code_size): Likewise.
6056         (tree_node_structure): Likewise.
6057         (build7_stat): Re-write to be build6_stat.
6058         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
6059         (SSA_VAR_P): Adjust.
6060         (struct tree_memory_tag): Remove.
6061         (struct tree_memory_partition_tag): Likewise.
6062         (union tree_node): Adjust.
6063         (build7): Re-write to be build6.
6064         * tree-pass.h (pass_reset_cc_flags): Remove.
6065         (TODO_update_address_taken): New flag.
6066         (pass_simple_dse): Remove.
6067         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
6068         * params.h (MAX_ALIASED_VOPS): Remove.
6069         (AVG_ALIASED_VOPS): Likewise.
6070         * omp-low.c (expand_omp_taskreg): Update SSA form.
6071         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
6072         aliases the lhs in a copy stmt.
6073         * tree-ssa-dse.c (struct address_walk_data): Remove.
6074         (memory_ssa_name_same): Likewise.
6075         (memory_address_same): Likewise.
6076         (get_kill_of_stmt_lhs): Likewise.
6077         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
6078         unused stores.  Look through PHI nodes into post-dominated regions.
6079         (dse_optimize_stmt): Simplify.  Properly remove stores.
6080         (tree_ssa_dse): Compute dominators.
6081         (execute_simple_dse): Remove.
6082         (pass_simple_dse): Likewise.
6083         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
6084         gimple_loaded_syms and gimple_stored_syms computation.
6085         * toplev.c (dump_memory_report): Dump alias and pta stats.
6086         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
6087         (vn_reference_eq): Likewise.
6088         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
6089         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
6090         valueize_vuses): Remove.
6091         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
6092         (get_def_ref_stmt_vuse): ... this.
6093         (vn_reference_lookup_2): New function.
6094         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
6095         walking equivalent vuses.  Simplify.
6096         (vn_reference_lookup): Likewise.
6097         (vn_reference_insert): Likewise.
6098         (vn_reference_insert_pieces): Likewise.
6099         (visit_reference_op_call): Simplify.
6100         (visit_reference_op_load): Likewise.
6101         (visit_reference_op_store): Likewise.
6102         (init_scc_vn): Remove shared_lookup_vuses initialization.
6103         (free_scc_vn): Remove shared_lookup_vuses freeing.
6104         (sort_vuses, sort_vuses_heap): Remove.
6105         (get_ref_from_reference_ops): Export.
6106         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
6107         vector with single vuse pointer.
6108         (vn_reference_lookup_pieces, vn_reference_lookup,
6109         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
6110         (shared_vuses_from_stmt): Remove.
6111         (get_ref_from_reference_ops): Declare.
6112         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
6113         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
6114         memory-tag related code.
6115         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
6116         (likely_value): Add comment, skip static-chain of call statements.
6117         (surely_varying_stmt_p): Adjust.
6118         (gimplify_and_update_call_from_tree): Likewise.
6119         (execute_fold_all_builtins): Do not rebuild alias info.
6120         (gimplify_and_update_call_from_tree): Properly update VOPs.
6121         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
6122         (copy_ref_info): Remove memory-tag related code.
6123         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
6124         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
6125         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
6126         computation.
6127         * tree-ssa-dom.c (gimple_p): Remove typedef.
6128         (eliminate_redundant_computations): Adjust.
6129         (record_equivalences_from_stmt): Likewise.
6130         (avail_expr_hash): Likewise.
6131         (avail_expr_eq): Likewise.
6132         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
6133         (stmt_makes_single_load): Likewise.
6134         (stmt_makes_single_store): Likewise.
6135         * tree-ssa-alias.c: Rewrite completely.
6136         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
6137         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
6138         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
6139         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
6140         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
6141         Remove public functions.
6142         (pass_reset_cc_flags): Remove.
6143         (pass_build_alias): Move ...
6144         * tree-ssa-structalias.c (pass_build_alias): ... here.
6145         * tree-ssa-alias.c (may_be_aliased): Move ...
6146         * tree-flow-inline.h (may_be_aliased): ... here.
6147         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
6148         count_uses_and_derefs): Move ...
6149         * gimple.c: ... here.
6150         * gimple.h (count_uses_and_derefs): Declare.
6151         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
6152         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
6153         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
6154         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
6155         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
6156         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
6157         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
6158         New functions.
6159         * tree-dfa.c (refs_may_alias_p): Move ...
6160         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
6161         * tree-ssa-alias.h: New file.
6162         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
6163         (statement_sink_location): Likewise.
6164         * opts.c (decode_options): Do not adjust max-aliased-vops or
6165         avg-aliased-vops values.
6166         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
6167         (TV_CALL_CLOBBER): Likewise.
6168         (TV_FLOW_SENSITIVE): Likewise.
6169         (TV_FLOW_INSENSITIVE): Likewise.
6170         (TV_MEMORY_PARTITIONING): Likewise.
6171         (TV_ALIAS_STMT_WALK): New timevar.
6172         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
6173         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
6174         (get_address_description): Remove memory-tag related code.
6175         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
6176         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
6177         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
6178         and immediate uses in statements.  Document.
6179         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
6180         (dump_symbols): Remove.
6181         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
6182         * alias.c (get_deref_alias_set): New function split out from ...
6183         (get_alias_set): ... here.
6184         * alias.h (get_deref_alias_set): Declare.
6185         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
6186         type parameter.  Remove restrict pointer handling.  Create a
6187         ref-all pointer in case type-based alias sets do not conflict.
6188         (vect_analyze_data_refs): Remove SMT related code.
6189         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
6190         (vectorizable_load): Likewise.
6191         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
6192         (DR_SYMBOL_TAG, DR_VOPS): Remove.
6193         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
6194         Ignore vops and SMTs.
6195         (dr_analyze_alias): Likewise..
6196         (free_data_ref): Likewise.
6197         (create_data_ref): Likewise.
6198         (analyze_all_data_dependences): Likewise.
6199         (get_references_in_stmt): Adjust.
6200         * tree-flow-inline.h (gimple_aliases_computed_p,
6201         gimple_addressable_vars, gimple_call_clobbered_vars,
6202         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
6203         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
6204         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
6205         gimple_mem_ref_stats): Remove.
6206         (gimple_vop): New function.
6207         (op_iter_next_use): Remove vuses and mayuses cases.
6208         (op_iter_next_def): Remove vdefs case.
6209         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
6210         (clear_and_done_ssa_iter): Do not set removed fields.
6211         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
6212         Assert we are not iterating over vuses or vdefs if not also
6213         iterating over uses or defs.
6214         (op_iter_init_use): Likewise.
6215         (op_iter_init_def): Likewise.
6216         (op_iter_next_vdef): Remove.
6217         (op_iter_next_mustdef): Likewise.
6218         (op_iter_init_vdef): Likewise.
6219         (compare_ssa_operands_equal): Likewise.
6220         (link_use_stmts_after): Handle vuse operand.
6221         (is_call_used): Use is_call_clobbered.
6222         (is_call_clobbered): Global variables are always call clobbered,
6223         query the call-clobbers bitmap.
6224         (mark_call_clobbered): Ignore global variables.
6225         (clear_call_clobbered): Likewise.
6226         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
6227         virtual operands sanity check.
6228         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
6229         Remove.
6230         (TARGET_MEM_REF): Remove TMR_TAG operand.
6231         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
6232         Remove call-clobber related code.
6233         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
6234         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
6235         partitions or escape reason.
6236         (get_single_def_stmt, get_single_def_stmt_from_phi,
6237         get_single_def_stmt_with_phi): Remove.
6238         (dump_referenced_vars): Tidy.
6239         (get_ref_base_and_extent): Allow bare decls.
6240         (collect_dfa_stats): Adjust.
6241         * graphite.c (rename_variables_in_stmt): Adjust.
6242         (graphite_copy_stmts_from_block): Likewise.
6243         (translate_clast): Likewise.
6244         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
6245         (EXPR_DIES): New.
6246         (translate_vuse_through_block): Use the oracle.
6247         (phi_translate_1): Adjust.
6248         (value_dies_in_block_x): Use the oracle.  Cache the outcome
6249         in EXPR_DIES.
6250         (valid_in_sets): Check if the VUSE for
6251         a REFERENCE is available.
6252         (eliminate): Do not remove stmts during elimination,
6253         instead queue and remove them afterwards.
6254         (do_pre): Do not rebuild alias info.
6255         (pass_pre): Run TODO_rebuild_alias before PRE.
6256         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
6257         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
6258         (mark_all_v_defs_stmt): Remove.
6259         (mark_all_v_defs_seq): Adjust.
6260         (sra_replace): Likewise.
6261         (scalarize_use): Likewise.
6262         (scalarize_copy): Likewise.
6263         (scalarize_init): Likewise.
6264         (scalarize_ldst): Likewise.
6265         (todoflags): Remove.
6266         (tree_sra): Do not rebuild alias info.
6267         (tree_sra_early): Adjust.
6268         (pass_sra): Run TODO_update_address_taken before SRA.
6269         * tree-predcom.c (set_alias_info): Remove.
6270         (prepare_initializers_chain): Do not call it.
6271         (mark_virtual_ops_for_renaming): Adjust.
6272         (mark_virtual_ops_for_renaming_list): Remove.
6273         (initialize_root_vars): Adjust.
6274         (initialize_root_vars_lm): Likewise.
6275         (prepare_initializers_chain): Likewise.
6276         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
6277         (may_propagate_copy_into_stmt): Likewise.
6278         (merge_alias_info): Do nothing for now.
6279         (propagate_tree_value_into_stmt): Adjust.
6280         (stmt_may_generate_copy): Likewise.
6281         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
6282         not mark symbols for renaming.
6283         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
6284         with the same statement, make sure to update the new pointed-to one.
6285         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
6286         call statements, do not mark symbols for renaming.
6287         (mark_operand_necessary): Dump something.
6288         (ref_may_be_aliased): New function.
6289         (mark_aliased_reaching_defs_necessary_1): New helper function.
6290         (mark_aliased_reaching_defs_necessary): Likewise.
6291         (mark_all_reaching_defs_necessary_1): Likewise.
6292         (mark_all_reaching_defs_necessary): Likewise.
6293         (propagate_necessity): Do not process virtual PHIs.  For
6294         non-aliased loads mark all reaching definitions as necessary.
6295         For aliased loads and stores mark the immediate dominating
6296         aliased clobbers as necessary.
6297         (visited): New global static.
6298         (perform_tree_ssa_dce): Free visited bitmap after propagating
6299         necessity.
6300         (remove_dead_phis): Perform simple dead virtual PHI removal.
6301         (remove_dead_stmt): Properly unlink virtual operands when
6302         removing stores.
6303         (eliminate_unnecessary_stmts): Schedule PHI removal after
6304         stmt removal.
6305         * tree-ssa-ter.c (is_replaceable_p): Adjust.
6306         (process_replaceable): Likewise.
6307         (find_replaceable_in_bb): Likewise.
6308         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
6309         based on the single gimple vop.
6310         (verify_flow_insensitive_alias_info): Remove.
6311         (verify_flow_sensitive_alias_info): Likewise.
6312         (verify_call_clobbering): Likewise.
6313         (verify_memory_partitions): Likewise.
6314         (verify_alias_info): Likewise.
6315         (verify_ssa): Adjust..
6316         (execute_update_addresses_taken): Export.  Update SSA
6317         manually.  Optimize only when optimizing.  Use a local bitmap.
6318         (pass_update_address_taken): Remove TODO_update_ssa, add
6319         TODO_dump_func.
6320         (pass_update_address_taken): Just use TODO_update_address_taken.
6321         (init_tree_ssa): Do not initialize addressable_vars.
6322         (verify_ssa): Verify new VUSE / VDEF properties.
6323         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
6324         Do not call verify_alias_info.
6325         (delete_tree_ssa): Clear the VUSE, VDEF operands.
6326         Do not free the loaded and stored syms bitmaps.  Reset the escaped
6327         and callused solutions.  Do not free addressable_vars.
6328         Remove memory-tag related code.
6329         (warn_uninitialized_var): Aliases are always available.
6330         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
6331         * lambda-code.c (can_put_in_inner_loop): Adjust.
6332         (can_put_after_inner_loop): Likewise.
6333         (perfect_nestify): Likewise.
6334         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
6335         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
6336         (vectorizable_conversion): Do not mark symbols for renaming.
6337         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
6338         (expand_call_inline): Unlink the calls virtual operands before
6339         replacing it.
6340         (tree_function_versioning): Do not call update_ssa if we are not
6341         updating clones.  Simplify.
6342         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
6343         (propagate_with_phi): Likewise..
6344         * tree-outof-ssa.c (create_temp): Remove memory tag and call
6345         clobber code.  Assert we are not aliased or global.
6346         * tree-flow.h: Include tree-ssa-alias.h
6347         (enum escape_type): Remove.
6348         (struct mem_sym_stats_d): Likewise.
6349         (struct mem_ref_stats_d): Likewise.
6350         (struct gimple_df): Add vop member.  Remove global_var,
6351         call_clobbered_vars, call_used_vars, addressable_vars,
6352         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
6353         escaped and callused members.
6354         (struct ptr_info_def): Remove all members, add points-to solution
6355         member pt.
6356         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
6357         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
6358         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
6359         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
6360         (tree-ssa-alias.o): Likewise.
6361         (toplev.o): Add tree-ssa-alias.h
6362         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
6363         * gimple.c (gimple_set_bb): Fix off-by-one error.
6364         (is_gimple_reg): Do not handle memory tags.
6365         (gimple_copy): Also copy virtual operands.
6366         Delay updating the statement.  Do not reset loaded and stored syms.
6367         (gimple_set_stored_syms): Remove.
6368         (gimple_set_loaded_syms): Likewise.
6369         (gimple_call_copy_skip_args): Copy the virtual operands
6370         and mark the new statement modified.
6371         * tree-ssa-structalias.c (may_alias_p): Remove.
6372         (set_uids_in_ptset): Take the alias set to prune with as
6373         parameter.  Fold in the alias test of may_alias_p.
6374         (compute_points_to_sets): Compute whether a ptr is dereferenced
6375         in a local sbitmap.
6376         (process_constraint): Deal with &ANYTHING on the lhs, reject all
6377         other ADDRESSOF constraints on the lhs.
6378         (get_constraint_for_component_ref): Assert that we don't get
6379         ADDRESSOF constraints from the base of the reference.
6380         Properly generate UNKNOWN_OFFSET for DEREF if needed.
6381         (struct variable_info): Remove collapsed_to member.
6382         (get_varinfo_fc): Remove.
6383         (new_var_info): Do not set collapsed_to.
6384         (dump_constraint): Do not follow cycles.
6385         (dump_constraint_graph): Likewise.
6386         (build_pred_graph): Likewise.
6387         (build_succ_graph): Likewise.
6388         (rewrite_constraints): Likewise.
6389         (do_simple_structure_copy): Remove.
6390         (do_rhs_deref_structure_copy): Remove.
6391         (do_lhs_deref_structure_copy): Remove.
6392         (collapse_rest_of_var): Remove.
6393         (do_structure_copy): Re-implement.
6394         (pta_stats): New global variable.
6395         (dump_pta_stats): New function.
6396         (struct constraint_expr): Make offset signed.
6397         (UNKNOWN_OFFSET): Define special value.
6398         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
6399         (solution_set_expand): New helper function split out from ...
6400         (do_sd_constraint): ... here.
6401         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
6402         (do_ds_constraint): Likewise.
6403         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
6404         and CALLUSED = *CALLUSED.
6405         (set_union_with_increment): Make inc argument signed.
6406         (type_safe): Remove.
6407         (get_constraint_for_ptr_offset): Handle unknown and negative
6408         constant offsets.
6409         (first_vi_for_offset): Handle offsets before start.  Bail
6410         out early for offsets beyond the variable extent.
6411         (first_or_preceding_vi_for_offset): New function.
6412         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
6413         Together with ESCAPED = *ESCAPED this properly computes reachability.
6414         (find_what_var_points_to): New function.
6415         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
6416         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
6417         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
6418         pt_solutions_intersect): New functions.
6419         (compute_call_used_vars): Remove.
6420         (compute_may_aliases): New main entry into PTA computation.
6421         * gimple.h (gimple_p): New typedef.
6422         (struct gimple_statement_base): Remove references_memory_p.
6423         (struct gimple_statement_with_memory_ops_base): Remove
6424         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
6425         members.
6426         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
6427         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
6428         gimple_set_references_memory): Remove.
6429         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
6430         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
6431         New functions.
6432         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
6433         (verify_expr): Allow RESULT_DECL.
6434         (gimple_duplicate_bb): Do not copy virtual operands.
6435         (gimple_duplicate_sese_region): Adjust.
6436         (gimple_duplicate_sese_tail): Likewise.
6437         (mark_virtual_ops_in_region): Remove.
6438         (move_sese_region_to_fn): Do not call it.
6439         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
6440         and pass_simple_dse.
6441         (execute_function_todo): Handle TODO_update_address_taken,
6442         call execute_update_addresses_taken for TODO_rebuild_alias.
6443         (execute_todo): Adjust.
6444         (execute_one_pass): Init dump files early.
6445         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
6446         call-clobbered.
6447         (create_general_new_stmt): Clear vops.
6448         * tree-ssa-reassoc.c (get_rank): Adjust.
6449         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
6450         symbols for renaming.
6451         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
6452         (PARAM_AVG_ALIASED_VOPS): Likewise.
6453         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
6454         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
6455         * tree-ssa-operands.c: Simplify for new virtual operand representation.
6456         (operand_build_cmp, copy_virtual_operands,
6457         create_ssa_artificial_load_stmt, add_to_addressable_set,
6458         gimple_add_to_addresses_taken): Remove public functions.
6459         (unlink_stmt_vdef): New function.
6460
6461 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6462
6463         * config.gcc (powerpc-*-linux*): Merge variants.
6464
6465 2009-04-02  Chao-ying Fu  <fu@mips.com>
6466             James Grosbach  <james.grosbach@microchip.com>
6467
6468         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
6469         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
6470         cop0_sp_offset.
6471         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
6472         keep_interrupts_masked_p, use_debug_exception_return_p.
6473         (mips_attribute_table): Add interrupt, use_shadow_register_set,
6474         keep_interrupts_masked, use_debug_exception_return.
6475         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
6476         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
6477         New functions.
6478         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
6479         (mips_print_operand): Process COP0 registers to print $0 .. $31
6480         correctly for GAS to process.
6481         (mips_interrupt_extra_call_saved_reg_p): New function.
6482         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
6483         extra registers.
6484         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
6485         (mips_compute_frame_info): Add supports for interrupt context that
6486         includes doubleword accumulators and COP0 registers.
6487         (mips_for_each_saved_acc): New function.
6488         (mips_for_each_saved_gpr_and_fpr): Change the function name from
6489         mips_for_each_saved_reg.
6490         (mips_save_reg): Save accumulators.
6491         (mips_kernel_reg_p): A new for_each_rtx callback.
6492         (mips_expand_prologue): Support interrupt handlers.
6493         (mips_restore_reg): Restore accumulators.
6494         (mips_expand_epilogue): Support interrupt handlers.
6495         (mips_can_use_return_insn): Return false for interrupt handlers.
6496         (mips_epilogue_uses): New function.
6497         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
6498         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
6499         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
6500         cop0_move): New instructions.
6501         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
6502         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
6503         defines.
6504         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
6505         New defines.
6506         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
6507         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
6508         interrupt handlers, we use K0 as the temporary register.
6509         (EPILOGUE_USES): Change to a function call.
6510         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
6511         handlers, we use K0 as the temporary register.
6512
6513         * doc/extend.texi (Function Attributes): Document interrupt,
6514         use_shadow_register_set, keep_interrupts_masked,
6515         use_debug_exception_return for MIPS attributes.
6516
6517 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6518
6519         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
6520         Remove a number of t-files from tmake_file.
6521         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
6522         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
6523         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
6524         target_prototype, not TARGET_PROTOTYPE.
6525         (LINK_OS_GNU_SPEC): Define.
6526         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
6527         and darwin-ldoubdle.c.
6528
6529 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
6530
6531         PR driver/39293
6532         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
6533         (cpp_options): Ditto.
6534         (default_compilers): Ditto.
6535         (display_help): Ditto.
6536         (process_command): Ditto.
6537         (do_spec_1): Ditto.
6538         (set_input): Use lbasename instead of duplicate code.
6539         (save_temps_prefix): New static for -save-temps=obj.
6540         (save_temps_length): Ditto.
6541
6542         * doc/invoke.texi (-save-temps=obj): Document new variant to
6543         -save-temps switch.
6544
6545 2009-04-02  Jeff Law  <law@redhat.com>
6546
6547         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
6548         variable.
6549
6550 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6551
6552         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
6553         * configure: Regenerated.
6554
6555 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6556
6557         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
6558         share the argument list.
6559
6560 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6561
6562         Merge
6563
6564         2009-02-12  Diego Novillo  <dnovillo@google.com>
6565
6566         * varpool.c (debug_varpool): New.
6567         * cgraph.h (debug_varpool): Declare.
6568
6569 2009-04-02  Jan Hubicka  <jh@suse.cz>
6570
6571         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
6572         pass.
6573
6574 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6575
6576         * config/i386/i386.c (ix86_abi): Move initialization to ...
6577         (override_options): Here.
6578
6579 2009-04-02  Christian Bruel  <christian.bruel@st.com>
6580
6581         * config/sh/sh.c (sh_dwarf_register_span): New function.
6582         (TARGET_DWARF_REGISTER_SPAN): Define.
6583         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
6584
6585 2009-04-02  Ira Rosen  <irar@il.ibm.com>
6586
6587         PR tree-optimization/39595
6588         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
6589         interleaved loads group is not  greater than the SLP group size.
6590
6591 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6592
6593         * builtins.c (is_builtin_name): New.
6594         (called_as_built_in): Use is_builtin_name.
6595         * tree.h (is_builtin_name): New.
6596         * varasm.c (incorporeal_function_p): Use is_builtin_name
6597
6598 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
6599
6600         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
6601
6602 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
6603
6604         PR c++/26693
6605         * c-decl.c (clone_underlying_type): Move this ...
6606         * c-common.c (set_underlying_type): ... here.
6607         Also, make sure the function properly sets TYPE_STUB_DECL() on
6608         the newly created typedef variant type.
6609         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
6610         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
6611         points.
6612
6613 2009-04-02  Richard Guenther  <rguenther@suse.de>
6614
6615         PR tree-optimization/37221
6616         * tree-flow.h (degenerate_phi_result): Declare.
6617         * tree-ssa-dom.c (degenerate_phi_result): Export.
6618         * tree-scalar-evolution.c (analyze_initial_condition): If
6619         the initial condition is defined by a degenerate PHI node
6620         use the degenerate value.
6621
6622 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
6623
6624         PR rtl-optimization/39588
6625         * combine.c (merge_outer_ops): Do not set the constant when this
6626         is not necessary.
6627         (simplify_shift_const_1): Do not modify it either in this case.
6628
6629 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
6630
6631         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
6632         tuning is deprecated if -mtune value is set to an Itanium1 variant.
6633
6634 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
6635
6636         PR c/29027
6637         * c-lex.c (interpret_float): Default (no suffix) is double.
6638
6639 2009-04-1  Xinliang David Li  <davidxl@google.com>
6640
6641         * config/i386/i386.c (legitimate_constant_p): Recognize
6642         all one vector constant.
6643
6644 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6645
6646         * config/vax/vax.c: Add #includes to silence warnings.
6647         Change #include order to silence two warnings.
6648
6649 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6650
6651         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
6652         (ASM_SPEC): Pass -k to the assembler for PIC code.
6653
6654 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6655
6656         * config.gcc: Add vax-*-linux* to the switch.
6657         * config/vax/linux.h: New file. (TARGET_VERSION,
6658         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
6659
6660 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6661
6662         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
6663         Use predicate macros instead of GET_CODE() == foo.
6664         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
6665         ashlsi3, rotrsi3, <unnamed>): Likewise.
6666
6667 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6668
6669         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
6670         jbbccihi, jbbccisi): Remova trailing whitespace.
6671         * config/vax/constraints.md: Likewise.
6672         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6673         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
6674         * config/vax/predicates.md: Likewise.
6675         * config/vax/vax.c (print_operand_address, vax_output_int_move,
6676         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
6677         * config/vax/vax.h: Likewise.
6678         * config/vax/vax.md (nonlocal_goto): Likewise.
6679
6680 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6681
6682         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
6683         (indirectable_address_p, adjacent_operands_p): Add spaces around
6684         braces.
6685         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
6686
6687 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6688
6689         * config/vax/vax.c (legitimate_constant_address_p,
6690         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
6691         index_term_p, reg_plus_index_p, legitimate_address_p,
6692         vax_mode_dependent_address_p): Update comments to match functions
6693         modified by the recent int->bool conversion.
6694
6695 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6696
6697         * config/vax/builtins.md: Update copyright message.
6698         * config/vax/constraints.md: Likewise.
6699         * config/vax/netbsd-elf.h: Likewise.
6700         * config/vax/predicates.md: Likewise.
6701         * config/vax/vax-protos.h: Likewise.
6702         * config/vax/vax.c: Likewise.
6703         * config/vax/vax.h: Likewise.
6704         * config/vax/vax.md: Likewise.
6705         * config/vax/vax.opt: Likewise.
6706
6707 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6708
6709         * config/vax/builtins.md (ffssi2, ffssi2_internal,
6710         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
6711         * config/vax/constraints.md (B, R): Likewise.
6712         * config/vax/predicates.md (external_memory_operand,
6713         nonimmediate_addsub_di_operand): Likewise.
6714         * config/vax/vax.c (vax_output_int_add): Likewise.
6715         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
6716         untyped_call): Likewise.
6717
6718 2009-04-01  Matt Thomas  <matt@3am-software.com>
6719
6720         * config/vax/predicates.md: New file.
6721         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
6722         external_const_operand, nonsymbolic_operand, external_memory_operand,
6723         indirect_memory_operand, indexed_memory_operand,
6724         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
6725         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
6726         predicate.
6727         * config/vax/constraints.md: New file.
6728         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
6729         New constraint.
6730         * config/vax/builtins.md: New file.
6731         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
6732         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
6733         jbbccisi): Define.
6734         * config/vax/vax.opt (mqmath): Add option.
6735         * config/vax/vax.md (isfx): Extend with DI.
6736         (VAXintQH, VAXintQHSD): Define.
6737         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
6738         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
6739         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
6740         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
6741         (movdi): Update constraints and use vax_output_int_move().
6742         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
6743         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
6744         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
6745         nonlocal_goto): New.
6746         (mov<mode>): Extend accepted operand types.
6747         (subdi3_old): Rename from subdi3, change update constraints and use
6748         a new implementation.
6749         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
6750         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
6751         MOVE_RATIO, CLEAR_RATIO): Define.
6752         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
6753         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6754         (PRINT_OPERAND): Redefine using a function instead of inlined code.
6755         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
6756         (split_quadword_operands): Make static and really allow variable
6757         splitting.
6758         (print_operand_address): Update for PIC generation.
6759         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
6760         indexable_address_p, fixup_mathdi_operand,
6761         vax_expand_addsub_di_operands, adjacent_operands_p): New.
6762         (vax_float_literal, legitimate_constant_p,
6763         indirectable_constant_address_p, index_term_p,
6764         reg_plus_index_p): Return bool instead of int.
6765         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
6766         where needed.
6767         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
6768         generation.
6769         (vax_output_conditional_branch): Indent.
6770         (legitimate_constant_address_p, indirectable_constant_address_p,
6771         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
6772         vax_mode_dependent_address_p): Return bool instead of int, update for
6773         PIC generation.
6774         * config/vax/vax-protos.h (legitimate_constant_address_p,
6775         legitimate_constant_p, legitimate_address_p,
6776         vax_mode_dependent_address_p): Change declaration to bool.
6777         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
6778         vax_expand_addsub_di_operands, vax_output_int_subtract,
6779         vax_output_movmemsi): Declare.
6780         (split_quadword_operands, vax_float_literal): Delete declaration.
6781         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
6782         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
6783         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
6784         ASM_OUTPUT_DWARF_PCREL): Define.
6785         (ASM_SPEC): Change definition to allow PIC generation.
6786
6787 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
6788
6789         * doc/sourcebuild.texi: Update front-end requirements.
6790
6791 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6792
6793         PR target/39226
6794         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
6795         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
6796         (booldi3_internal3): Use boolean_or_operator instead of
6797         boolean_operator.
6798
6799 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
6800
6801         PR c/39605
6802         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
6803         declarator whose size is not an integer constant expression but
6804         folds to an integer constant, then treat it as a constant
6805         subsequently.
6806
6807 2009-04-01  Richard Guenther  <rguenther@suse.de>
6808
6809         * fold-const.c (fold_plusminus_mult_expr): Do not fold
6810         i * 4 + 2 to (i * 2 + 1) * 2.
6811
6812 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6813
6814         PR c/37772
6815         * c-parser.c (c_parser_asm_statement): Skip until close paren and
6816         return if c_parser_asm_string_literal returned NULL.
6817
6818 2009-04-01  Nick Clifton  <nickc@redhat.com>
6819
6820         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
6821         already defined.
6822         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
6823         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
6824         other typedefs to avoid conflicts with libgcc2.c.  Define labels
6825         to gain 16-bit bit-manipulation functions from libgcc2.c and then
6826         include it.
6827         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
6828         to gain 16-bit trapping arithmetic functions from libgcc2.c and
6829         then include it.
6830
6831 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
6832
6833         * varasm.c (default_function_rodata_section): Declare DOT as
6834         const char*.
6835
6836 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
6837             Andrey Galkin  <agalkin@hypercom.com>
6838
6839         PR/39492
6840         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
6841         Make object_name unique for each process.
6842
6843 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6844
6845         PR other/39591
6846         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
6847         addressable variables in the parallel that could go out of scope while
6848         running queued tasks.
6849
6850 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
6851
6852         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
6853         (CASE_VALUES_THRESHOLD): Redefine.
6854         * config/avr/avr.c (avr_override_options): Remove initialization of
6855         avr_case_values_threshold variable.
6856         (avr_case_values_threshold): Remove variable. Add new function.
6857         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
6858         * config/avr/avr.opt (mno-tablejump): Remove option.
6859         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
6860
6861 2009-04-01  DJ Delorie  <dj@redhat.com>
6862
6863         * varasm.c (default_function_rodata_section): Don't assume
6864         anything about where the first '.' in the section name is.
6865
6866 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
6867
6868         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
6869         rs6000_emit_stack_tie.
6870
6871 2009-03-31  Ian Lance Taylor  <iant@google.com>
6872
6873         * tree-eh.c (tree_remove_unreachable_handlers): Compare
6874         gimple_code with GIMPLE_RESX, not RESX.
6875
6876 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6877
6878         * c-common.c (c_get_ident): New.
6879         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
6880
6881 2009-04-01  Ben Elliston  <bje@au.ibm.com>
6882
6883         * config/rs6000/sysv4.opt (msdata): Improve option description.
6884
6885 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
6886
6887         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
6888         (divdf3_internal_lat): Remove.
6889         (divxf3_internal_lat): Remove.
6890         (divxf3_internal_thr): Remove.
6891         (divxf): Use divxf3_internal.
6892         * config/ia64/div.md (divsf3_internal_lat): New.
6893         (divdf3_internal_lat): New.
6894         (divxf3_internal): New.
6895
6896 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6897
6898         PR c/448
6899         * Makefile.in (USE_GCC_STDINT): Define.
6900         (stmp-int-hdrs): Install stdint.h if applicable.
6901         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
6902         if known.
6903         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
6904         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
6905         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
6906         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6907         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6908         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6909         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6910         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6911         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6912         (c_common_nodes_and_builtins): Initialize
6913         underlying_wchar_type_node.  Do not initialize
6914         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
6915         nodes for new types.
6916         (c_stddef_cpp_builtins): Define macros for new types.
6917         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
6918         Remove.
6919         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
6920         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
6921         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
6922         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
6923         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
6924         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
6925         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
6926         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
6927         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
6928         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
6929         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
6930         int16_type_node, int32_type_node, int64_type_node,
6931         uint8_type_node, uint16_type_node, c_uint32_type_node,
6932         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
6933         int_least32_type_node, int_least64_type_node,
6934         uint_least8_type_node, uint_least16_type_node,
6935         uint_least32_type_node, uint_least64_type_node,
6936         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
6937         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
6938         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
6939         uintptr_type_node): Define.
6940         * c-cppbuiltin.c (builtin_define_constants,
6941         builtin_define_type_minmax): New.
6942         (builtin_define_stdint_macros): Define more macros.
6943         (c_cpp_builtins): Define more limit macros.
6944         (type_suffix): New.
6945         (builtin_define_type_max): Define in terms of
6946         builtin_define_type_minmax.  Remove is_long parameter.  All
6947         callers changed.
6948         * config.gcc (use_gcc_stdint): Define.
6949         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
6950         Add newlib-stdint.h for generic targets.
6951         * config/glibc-stdint.h, config/newlib-stdint.h,
6952         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
6953         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
6954         * config/score/score.h (UINTPTR_TYPE): Define.
6955         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
6956         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
6957         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6958         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6959         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6960         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6961         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6962         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6963         * config/spu/spu.h (STDINT_LONG32): Define.
6964         * configure.ac (use_gcc_stdint): Substitute.
6965         * configure: Regenerate.
6966         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
6967         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
6968         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
6969         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
6970         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
6971         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
6972         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
6973         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
6974         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
6975         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
6976         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
6977         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
6978         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
6979         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
6980         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
6981         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
6982         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
6983         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
6984         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
6985         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
6986         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
6987         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
6988         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
6989         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6990         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6991         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6992         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6993         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6994         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
6995
6996 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
6997
6998         * loop-iv.c (suitable_set_for_replacement): Renamed from
6999         simplify_using_assignment; changed to return bool and to accept new
7000         args DEST and SRC.  Return true iff we find a source/destination pair
7001         that can be used to make a replacement, and fill SRC and DEST if so.
7002         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
7003         changed.
7004         (simplify_using_initial_values): Deal with altered regs here and track
7005         more precisely the effect they have on the validity of our expression.
7006
7007         * loop-iv.c (simplify_using_condition): A condition of the form
7008         (EQ REG CONST) can be used to simply make a substitution.
7009         (simplify_using_initial_values): Keep track of conditions we have seen
7010         and keep using them to simplify new expressions, while applying the
7011         same substitutions to them as to the expression.
7012
7013         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7014         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
7015         GEU/LTU reversed.
7016
7017         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
7018         changed.  Use this when trying to improve the upper bound.
7019         Generate the comparison by using simplify_gen_relational.
7020
7021         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
7022
7023         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
7024         functions.
7025         (simplify_using_assignment, simplify_using_initial_values): Call
7026         replace_in_expr to make replacements.  Call replace_single_def_regs
7027         once on the initial version of the expression.
7028
7029 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7030
7031         PR target/27237
7032         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
7033
7034 2009-03-31  Richard Guenther  <rguenther@suse.de>
7035
7036         PR middle-end/31029
7037         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
7038         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
7039
7040 2009-03-31  Richard Guenther  <rguenther@suse.de>
7041
7042         * tree.h (div_if_zero_remainder): Declare.
7043         * fold-const.c (div_if_zero_remainder): Export.
7044         * tree-ssa-forwprop.c
7045         (forward_propagate_addr_into_variable_array_index): Handle
7046         constant array index addition outside of the variable index.
7047
7048 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7049
7050         PR target/39592
7051         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
7052         define_splits, floatunssi<mode>2): Require x87 conversions from
7053         DImode to be permitted.
7054
7055 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7056
7057         PR preprocessor/15638
7058         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
7059
7060 2009-03-31  Richard Guenther  <rguenther@suse.de>
7061
7062         PR middle-end/23401
7063         PR middle-end/27810
7064         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
7065         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7066         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
7067         a separate statement.
7068         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
7069         (lookup_tmp_var): Likewise.
7070         (is_gimple_formal_tmp_or_call_rhs): Remove.
7071         (is_gimple_reg_or_call_rhs): Rename to ...
7072         (is_gimple_reg_rhs_or_call): ... this.
7073         (is_gimple_mem_or_call_rhs): Rename to ...
7074         (is_gimple_mem_rhs_or_call): ... this.
7075         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
7076         DECL_GIMPLE_REG_P only if is_formal is true.
7077         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
7078         for non-proper post-modify expression gimplification.
7079         (gimplify_self_mod_expr): For post-modify expressions gimplify
7080         the lvalue to a minimal lvalue.
7081         (rhs_predicate_for): Remove formal temp case.
7082         (gimplify_modify_expr_rhs): Likewise.
7083         (gimplify_addr_expr): Use is_gimple_reg.
7084         (gimplify_expr): Remove formal temp cases.
7085         (gimple_regimplify_operands): Likewise.
7086         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
7087         and FILTER_EXPR like constants.
7088         * gimple.c (walk_gimple_op): Fix val_only initialization, use
7089         is_gimple_reg.
7090         (is_gimple_formal_tmp_rhs): Remove.
7091         (is_gimple_reg_rhs): Remove special casing.
7092         (is_gimple_mem_rhs): Fix.
7093         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
7094         (is_gimple_formal_tmp_var): Remove.
7095         (is_gimple_formal_tmp_reg): Likewise.
7096         (is_gimple_min_lval): Allow invariant component ref parts.
7097         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
7098         is_gimple_formal_tmp_reg): Remove declarations.
7099         * tree-cfg.c (verify_expr): Verify that variables with address
7100         taken do not have DECL_GIMPLE_REG_P set.
7101         * tree-mudflap.c (mf_build_check_statement_for): Use
7102         force_gimple_operand instead of gimplify_expr.
7103
7104 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
7105
7106         * modulo-sched.c (sms_schedule_by_order): Pass the actual
7107         schedulable rows to compute_split_row.
7108
7109 2009-03-31  Ben Elliston  <bje@au.ibm.com>
7110
7111         PR target/31635
7112         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
7113         OPT_mvrsave.
7114
7115 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7116
7117         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
7118         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
7119         * configure: Regenerate.
7120         * config.in: Regenerate.
7121         * config/rs6000/rs6000.opt (mtls-markers): Add.
7122         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
7123         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
7124         (tls_ld_aix, tls_ld_sysv): Likewise.
7125         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
7126         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
7127
7128 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7129
7130         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
7131
7132 2009-03-30  Jan Hubicka  <jh@suse.cz>
7133
7134         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
7135         out of RESX.
7136         (tree_remove_unreachable_handlers): Cleanup EH predecestor
7137         detection and label handling.
7138
7139 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7140
7141         * ira-int.h (ira_allocno): Rename left_conflicts_num to
7142         left_conflicts_size.
7143         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
7144         ALLOCNO_LEFT_CONFLICTS_SIZE.
7145
7146         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
7147         remove_allocno_from_bucket_and_push,
7148         allocno_spill_priority_compare, push_allocnos_to_stack,
7149         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7150         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
7151         (setup_allocno_left_conflicts_num): Ditto.  Rename to
7152         setup_allocno_left_conflicts_size.
7153         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7154         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
7155         setup_allocno_left_conflicts_size instead of
7156         setup_allocno_left_conflicts_num.
7157
7158         * ira-build.c (ira_create_allocno): Use
7159         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
7160         ALLOCNO_LEFT_CONFLICTS_NUM.
7161
7162 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7163
7164         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7165         instead of DF_LR_OUT.
7166
7167         * ira-lives.c (process_bb_node_lives): Ditto.
7168
7169         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7170         instead of DF_LR_{OUT,IN}.
7171
7172         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7173
7174         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7175
7176 2009-03-30  Jan Hubicka  <jh@suse.cz>
7177
7178         * except.c (label_to_region_map): Fix thinko.
7179
7180 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
7181
7182         PR middle-end/38237
7183         * tree.h (tree_find_value): New declaration.
7184         * tree.c (tree_find_value): New function.
7185         * varasm.c (assemble_external): Avoid duplicate entries on lists.
7186
7187 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
7188
7189         PR debug/39563
7190         * c-decl.c (struct c_binding): Add locus field.
7191         (bind): Add locus argument, set locus field from it.
7192         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
7193         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
7194         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
7195         implicitly_declare, undeclared_variable, lookup_label,
7196         declare_label, c_make_fname_decl, c_builtin_function,
7197         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
7198         bind callers.
7199
7200 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7201
7202         PR target/38781
7203         * config/i386/i386.c (classify_argument): Check total size of
7204         structure.
7205
7206 2009-03-30  Martin Jambor  <mjambor@suse.cz>
7207
7208         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
7209         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
7210         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
7211         respectively.
7212
7213         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
7214         seen_variable_array_ref while also traversing a union.
7215
7216         * tree-inline.c (optimize_inline_calls): Do not call
7217         cgraph_node_remove_callees.
7218         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
7219         (pass_remove_cgraph_callee_edges): New variable.
7220         * passes.c (init_optimization_passes): Add
7221         pass_remove_cgraph_callee_edges after early inlining and before all
7222         late intraprocedural passes.
7223
7224         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
7225
7226 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7227
7228         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
7229         Fix typos in names.
7230
7231 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7232
7233         * combine.c (simplify_comparison): Use have_insn_for.
7234         * dojump.c (do_jump): Likewise.
7235
7236 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7237
7238         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
7239         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
7240         sparc_compare_op0 like sparc_compare_emitted used to be handled.
7241         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
7242         instead of sparc_compare_emitted.
7243         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
7244         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
7245         instead of sparc_compare_emitted.
7246
7247 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7248
7249         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
7250         enter/exit cfglayout mode.
7251         (pass_partition_block): Require it.
7252         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
7253         (combine_instructions): Track basic blocks instead of labels.
7254         (update_cfg_for_uncondjump): New.
7255         (try_combine): Use it.  Update jumps after rescanning.
7256         (pass_combine): Require PROP_cfglayout.
7257         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
7258
7259 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7260
7261         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
7262         Provide/destroy PROP_cfglayout respectively.
7263         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
7264         * tree-pass.h (PROP_cfglayout): New.
7265
7266 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7267
7268         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
7269         fold_convert_const_fixed_from_fixed,
7270         fold_convert_const_fixed_from_int,
7271         fold_convert_const_fixed_from_real, fold_negate_const): Do not
7272         set TREE_CONSTANT_OVERFLOW.
7273         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
7274         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
7275
7276 2009-03-30  Ira Rosen  <irar@il.ibm.com>
7277
7278         * tree-vect-loop-manip.c: New file.
7279         * tree-vectorizer.c: Update documentation and included files.
7280         (vect_loop_location): Make extern.
7281         (rename_use_op): Move to tree-vect-loop-manip.c
7282         (rename_variables_in_bb, rename_variables_in_loop,
7283         slpeel_update_phis_for_duplicate_loop,
7284         slpeel_update_phi_nodes_for_guard1,
7285         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
7286         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
7287         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
7288         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
7289         find_loop_location): Likewise.
7290         (new_stmt_vec_info): Move to tree-vect-stmts.c.
7291         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
7292         get_vectype_for_scalar_type, vect_is_simple_use,
7293         supportable_widening_operation, supportable_narrowing_operation):
7294         Likewise.
7295         (bb_in_loop_p): Move to tree-vect-loop.c.
7296         (new_loop_vec_info, destroy_loop_vec_info,
7297         reduction_code_for_scalar_code, report_vect_op,
7298         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
7299         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
7300         (vect_supportable_dr_alignment): Likewise.
7301         * tree-vectorizer.h (tree-data-ref.h): Include.
7302         (vect_loop_location): Declare.
7303         Reorganize function declarations according to the new file structure.
7304         * tree-vect-loop.c: New file.
7305         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
7306         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
7307         * tree-vect-data-refs.c: New file.
7308         * tree-vect-patterns.c (timevar.h): Don't include.
7309         * tree-vect-stmts.c: New file.
7310         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
7311         tree-vect-slp.c, tree-vect-loop.c.
7312         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
7313         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
7314         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
7315         (tree-vect-analyze.o): Remove.
7316         (tree-vect-transform.o): Likewise.
7317         (tree-vect-data-refs.o): Add rule.
7318         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
7319         tree-vect-slp.o): Likewise.
7320         (tree-vect-patterns.o): Remove redundant dependencies.
7321         (tree-vectorizer.o): Likewise.
7322         * tree-vect-slp.c: New file.
7323
7324 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7325
7326         * optc-gen.awk: Warn if an option flag has multiple different
7327         help strings.
7328
7329 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
7330
7331         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
7332         -floop-block): Document dependences on PPL, CLooG and Graphite.
7333
7334 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7335
7336         PR rtl-optimization/323
7337         * c-common.c (c_fully_fold, convert_and_check,
7338         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
7339         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
7340         * c-common.def (EXCESS_PRECISION_EXPR): New.
7341         * c-cppbuiltin.c (builtin_define_float_constants): Define
7342         constants with enough digits for long double.
7343         * c-lex.c (interpret_float): Interpret constant with excess
7344         precision where appropriate.
7345         * c-opts.c (c_common_post_options): Set
7346         flag_excess_precision_cmdline.  Give an error for
7347         -fexcess-precision=standard for C++ for processors where the
7348         option is significant.
7349         * c-parser.c (c_parser_conditional_expression): Handle excess
7350         precision in condition.
7351         * c-typeck.c (convert_arguments): Handle arguments with excess
7352         precision.
7353         (build_unary_op): Move excess precision outside operation.
7354         (build_conditional_expr): Likewise.
7355         (build_compound_expr): Likewise.
7356         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
7357         (build_modify_expr): Handle excess precision in RHS.
7358         (convert_for_assignment): Handle excess precision in converted
7359         value.
7360         (digest_init, output_init_element, process_init_element): Handle
7361         excess precision in initializer.
7362         (c_finish_return): Handle excess precision in return value.
7363         (build_binary_op): Handle excess precision in operands and add
7364         excess precision as needed for operation.
7365         * common.opt (-fexcess-precision=): New option.
7366         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
7367         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
7368         For standard excess precision, output explicit conversion to and
7369         truncation from XFmode.
7370         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
7371         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
7372         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
7373         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
7374         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
7375         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
7376         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
7377         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
7378         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
7379         define_splits, sqrt<mode>2): Disable where appropriate for
7380         standard excess precision.
7381         * convert.c (convert_to_real): Do not shorten arithmetic to type
7382         for which excess precision would be used.
7383         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
7384         * doc/invoke.texi (-fexcess-precision=): Document option.
7385         (-mfpmath=): Correct index entry.
7386         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
7387         flag_excess_precision): New.
7388         * langhooks.c (lhd_post_options): Set
7389         flag_excess_precision_cmdline.
7390         * opts.c (common_handle_option): Handle -fexcess-precision=.
7391         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
7392         init_excess_precision): New.
7393         (lang_dependent_init_target): Call init_excess_precision.
7394         * tree.c (excess_precision_type): New.
7395         * tree.h (excess_precision_type): Declare.
7396
7397 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7398
7399         PR c/35235
7400         * c-typeck.c (build_component_ref): Do not copy qualifiers from
7401         non-lvalue to component.
7402
7403 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7404
7405         PR preprocessor/34695
7406         * Makefile.in (c-opts.o): Depend on c-tree.h.
7407         * c-common.c: Move down include of diagnostic.h.
7408         (done_lexing, c_cpp_error): New.
7409         * c-common.h (done_lexing): Declare.
7410         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
7411         (parse_in).
7412         * c-opts.c: Include c-tree.h.
7413         (c_common_init_options): Set preprocessor error callback.
7414         (c_common_handle_option): Do not set preprocessor
7415         inhibit_warnings, warnings_are_errors, warn_system_headers,
7416         pedantic_errors or inhibit_warnings flags.
7417         (c_common_post_options): Do not check cpp_errors (parse_in).
7418         (c_common_finish): Do not output dependencies if there were
7419         errors.  Do not check return value of cpp_finish.
7420         * c-ppoutput.c (pp_file_change): Set input_location.
7421         * c-tree.h (c_cpp_error): Declare.
7422         * diagnostic.c (diagnostic_set_info_translated): Also initialize
7423         override_column.
7424         (diagnostic_build_prefix): Check override_column.
7425         * diagnostic.h (diagnostic_info): Add override_column field.
7426         (diagnostic_override_column): Define.
7427
7428 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
7429
7430         * c-common.c (c_expand_expr, c_staticp): Remove.
7431         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
7432         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
7433         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
7434         * c-gimplify.c (gimplify_compound_literal_expr,
7435         optimize_compound_literals_in_ctor): Remove.
7436         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
7437         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
7438         * c-semantics.c (emit_local_var): Remove.
7439
7440         * langhooks-def.h (lhd_expand_expr): Remove.
7441         * langhooks.c (lhd_expand_expr): Remove.
7442         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
7443
7444         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
7445         handling from c-semantics.c; don't call into langhook.
7446         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
7447         * gimplify.c (gimplify_compound_literal_expr,
7448         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
7449         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
7450         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
7451         as was done in c-gimplify.c.
7452         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
7453         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
7454         Move from c-common.h.
7455         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
7456
7457         * tree.c (staticp): Do not call langhook.
7458         * langhooks.c (lhd_staticp): Delete.
7459         * langhooks-def.h (lhd_staticp): Delete prototype.
7460         (LANG_HOOKS_STATICP): Delete.
7461         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
7462
7463         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
7464         instead of DECL_STMTs.
7465
7466 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7467
7468         PR c/456
7469         PR c/5675
7470         PR c/19976
7471         PR c/29116
7472         PR c/31871
7473         PR c/35198
7474         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
7475         void_type_node.
7476         (fold_call_expr): Return a NOP_EXPR from folding rather than the
7477         contained expression.
7478         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
7479         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
7480         conditional expressions for C.
7481         (decl_constant_value_for_optimization): Move from
7482         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
7483         whether optimizing and that the expression is a VAR_DECL not of
7484         array type instead of doing such checks in the caller.  Do not
7485         check pedantic.  Call gcc_unreachable for C++.
7486         * c-common.def (C_MAYBE_CONST_EXPR): New.
7487         * c-common.h (c_fully_fold, c_save_expr,
7488         decl_constant_value_for_optimization): New prototypes.
7489         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
7490         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
7491         EXPR_INT_CONST_OPERANDS): Define.
7492         * c-convert.c (convert): Strip nops from expression.
7493         * c-decl.c (groktypename): Take extra parameters expr and
7494         expr_const_operands.  Update call to grokdeclarator.
7495         (start_decl): Update call to grokdeclarator.  Add statement for
7496         expressions used in type of decl.
7497         (grokparm): Update call to grokdeclarator.
7498         (push_parm_decl): Update call to grokdeclarator.
7499         (build_compound_literal): Add parameter non_const and build a
7500         C_MAYBE_COSNT_EXPR if applicable.
7501         (grokdeclarator): Take extra parameters expr and
7502         expr_const_operands.  Track expressions used in declaration
7503         specifiers and declarators.  Fold array sizes and track whether
7504         they are constant expressions and whether they are integer
7505         constant expressions.
7506         (parser_xref_tag): Set expr and expr_const_operands fields in
7507         return value.
7508         (grokfield): Update call to grokdeclarator.
7509         (start_function): Update call to grokdeclarator.
7510         (build_null_declspecs): Set expr and expr_const_operands fields in
7511         return value.
7512         (declspecs_add_type): Handle expressions in typeof specifiers.
7513         * c-parser.c (c_parser_declspecs): Set expr and
7514         expr_const_operands fields for declaration specifiers.
7515         (c_parser_enum_specifier): Likewise.
7516         (c_parser_struct_or_union_specifier): Likewise.
7517         (c_parser_typeof_specifier): Likewise.  Update call to
7518         groktypename.  Fold expression as needed.  Return expressions with
7519         type instead of adding statements.
7520         (c_parser_attributes): Update calls to c_parser_expr_list.
7521         (c_parser_statement_after_labels): Fold expression before passing
7522         to objc_build_throw_stmt.
7523         (c_parser_condition): Fold expression.
7524         (c_parser_asm_operands): Fold expression.
7525         (c_parser_conditional_expression): Use c_save_expr.  Update call
7526         to build_conditional_expr.
7527         (c_parser_alignof_expression): Update call to groktypename.
7528         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
7529         original_code.  Fold expression argument of va_arg.  Create
7530         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
7531         argument to va_arg.  Update calls to groktypename.  Fold array
7532         index for offsetof.  Verify that first argument to
7533         __builtin_choose_expr has integer type.
7534         (c_parser_postfix_expression_after_paren_type): Update calls to
7535         groktypename and build_compound_literal.  Handle expressions with
7536         side effects in type name.
7537         (c_parser_postfix_expression_after_primary): Update call to
7538         c_parser_expr_list.  Set original_code for calls to
7539         __builtin_constant_p.
7540         (c_parser_expr_list): Take extra parameter fold_p.  Fold
7541         expressions if requested.
7542         (c_parser_objc_type_name): Update call to groktypename.
7543         (c_parser_objc_synchronized_statement): Fold expression.
7544         (c_parser_objc_receiver): Fold expression.
7545         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
7546         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
7547         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
7548         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
7549         (struct c_typespec): Add elements expr and expr_const_operands.
7550         (struct c_declspecs): Add elements expr and expr_const_operands.
7551         (groktypename, build_conditional_expr, build_compound_literal):
7552         Update prototypes.
7553         (in_late_binary_op): Declare.
7554         * c-typeck.c (note_integer_operands): New function.
7555         (in_late_binary_op): New variable.
7556         (decl_constant_value_for_broken_optimization): Move to c-common.c
7557         and rename to decl_constant_value_for_optimization.
7558         (default_function_array_conversion): Do not strip nops.
7559         (default_conversion): Do not call
7560         decl_constant_value_for_broken_optimization.
7561         (build_array_ref): Do not fold result.
7562         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
7563         result when operand is a VLA.
7564         (c_expr_sizeof_type): Update call to groktypename.  Handle
7565         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
7566         result when operand names a VLA type.
7567         (build_function_call): Update call to build_compound_literal.
7568         Only fold result for calls to __builtin_* functions.  Strip
7569         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
7570         the function designator.
7571         (convert_arguments): Fold arguments.  Update call to
7572         convert_for_assignment.
7573         (build_unary_op): Handle increment and decrement of
7574         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
7575         decrement earlier.  Fold operand of increment and decrement.
7576         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
7577         built for integer operand.  Wrap returns that are INTEGER_CSTs
7578         without being integer constant expressions or that have integer
7579         constant operands without being INTEGER_CSTs.
7580         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
7581         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
7582         result is an integer constant expression or can be used in
7583         unevaluated parts of one and avoid folding and wrap as
7584         appropriate.  Fold operands before possibly doing -Wsign-compare
7585         warnings.
7586         (build_compound_expr): Wrap result for C99 if operands can be used
7587         in integer constant expressions.
7588         (build_c_cast): Update call to digest_init.  Do not ignore
7589         overflow from casting floating-point constants to integers.  Wrap
7590         results that could be confused with integer constant expressions,
7591         null pointer constants or floating-point constants.
7592         (c_cast_expr): Update call to groktypename.  Handle expressions
7593         included in type name.
7594         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
7595         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
7596         Update calls to convert_for_assignment.
7597         (convert_for_assignment): Take new parameter
7598         null_pointer_constant.  Do not strip nops or call
7599         decl_constant_value_for_broken_optimization.  Set
7600         in_late_binary_op for conversions to boolean.
7601         (store_init_value): Update call to digest_init.
7602         (digest_init): Take new parameter null_pointer_constant.  Do not
7603         call decl_constant_value_for_broken_optimization.  pedwarn for
7604         initializers not constant expressions.  Update calls to
7605         convert_for_assignment.
7606         (constructor_nonconst): New.
7607         (struct constructor_stack): Add nonconst element.
7608         (really_start_incremental_init, push_init_level, pop_init_level):
7609         Handle constructor_nonconst and nonconst element.
7610         (set_init_index): Call constant_expression_warning for array
7611         designators.
7612         (output_init_element): Fold value.  Set constructor_nonconst as
7613         applicable.  pedwarn for initializers not constant expressions.
7614         Update call to digest_init.  Call constant_expression_warning
7615         where constant initializers are required.
7616         (process_init_element): Use c_save_expr.
7617         (c_finish_goto_ptr): Fold expression.
7618         (c_finish_return): Fold return value.  Update call to
7619         convert_for_assignment.
7620         (c_start_case): Fold switch expression.
7621         (c_process_expr_stmt): Fold expression.
7622         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
7623         ensure statement expression is not evaluated in constant expression.
7624         (build_binary_op): Track whether results are integer constant
7625         expressions or may occur in such, disable folding and wrap results
7626         as applicable.  Fold operands for -Wsign-compare warnings unless
7627         in_late_binary_op.
7628         (c_objc_common_truthvalue_conversion): Handle results folded to
7629         integer constants that are not integer constant expressions.
7630         * doc/extend.texi: Document when typeof operands are evaluated,
7631         that condition of __builtin_choose_expr is an integer constant
7632         expression, and more about use of __builtin_constant_p in
7633         initializers.
7634
7635 2009-03-29  Richard Guenther  <rguenther@suse.de>
7636
7637         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
7638         propagate addresses of array references.
7639
7640 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
7641
7642         * regmove.c (perhaps_ends_bb_p): Remove.
7643         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
7644         from INSN and check that the main loop stays within that basic block.
7645         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
7646         (regmove_forward_pass): Split out from regmove_optimize.  Use
7647         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
7648         (regmove_backward_pass): Split out from regmove_optimize.  Use
7649         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
7650         (regmove_optimize): Simplify.
7651
7652 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
7653
7654         PR target/39545
7655         * config/i386/i386.c (classify_argument): Ignore flexible array
7656         member in struct and warn ABI change.
7657
7658 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
7659
7660         * config/i386/i386-protos.h (ix86_agi_dependent): New.
7661
7662         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
7663         (ix86_adjust_cost): Updated.
7664
7665 2009-03-29  Jan Hubicka  <jh@suse.cz>
7666
7667         PR middle-end/28850
7668         * tree-pass.h (pass_cleanup_eh): New function.
7669         (remove_unreachable_regions): Break code handling RTL
7670         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
7671         that can not be reached by runtime.
7672         (can_be_reached_by_runtime): New function.
7673         (label_to_region_map): New function.
7674         (num_eh_regions): New function.
7675         (rtl_remove_unreachable_regions): New function.
7676         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
7677         (remove_eh_region): New function.
7678         * except.h: Include sbitmap and vecprim.
7679         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
7680         num_eh_regions): Declare.
7681         * passes.c (init_optimization_passes): Schedule cleanup_eh.
7682         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
7683         * tree-eh.c (tree_remove_unreachable_handlers): New function.
7684         (tree_empty_eh_handler_p): New function.
7685         (cleanup_empty_eh): New function.
7686         (cleanup_eh): New function.
7687         (pass_cleanup_eh): New function.
7688
7689 2009-03-29  Jan Hubicka  <jh@suse.cz>
7690
7691         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
7692         for removed regions.
7693
7694 2009-03-29  Jan Hubicka  <jh@suse.cz>
7695
7696         * except.c (dump_eh_tree): Dump all datastructures.
7697
7698 2009-03-29  Jan Hubicka  <jh@suse.cz>
7699
7700         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
7701         (duplicate_eh_regions_1): Likewise.
7702         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
7703         vector; call EH verification.
7704         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
7705         Be ready for region being removed.
7706
7707 2009-03-29  Jan Hubicka  <jh@suse.cz>
7708
7709         * bitmap.c (bitmap_last_set_bit): New function.
7710         * bitmap.h (bitmap_last_set_bit): Declare.
7711
7712 2009-03-29  David Ayers  <ayers@fsfe.org>
7713
7714         PR objc/27377
7715         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
7716         by calling objc_compare_types and surpress warnings about
7717         incompatible C pointers that are compatible ObjC pointers.
7718
7719 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
7720
7721         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
7722         call initialize_inline_failed.
7723         (initialize_inline_failed): Move it from here ...
7724         * cgraph.c (initialize_inline_failed): ... to here.
7725         (cgraph_create_edge): Call initialize_inline_failed rather than
7726         setting inline_failed directly.
7727
7728 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7729
7730         PR target/32542
7731         * sysv4.opt (msdata): Improve comment.
7732         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
7733         * sysv4.h (SVR4_ASM_SPEC): Likewise.
7734
7735 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7736
7737         PR target/30451
7738         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
7739         load and store attributes.
7740
7741 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7742
7743         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
7744         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
7745         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
7746         * doc/extend.texi (X86 Built-in Functions): Add index entries for
7747         __builtin_infq and __builtin_huge_valq.
7748
7749 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
7750
7751         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
7752         atmega8m1 devices.
7753         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7754         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
7755
7756 2009-03-28  Xinliang David Li  <davidxl@google.com>
7757
7758         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
7759         (do_dbg_cnt): New function.
7760
7761 2009-03-28  Jan Hubicka  <jh@suse.cz>
7762
7763         Merge from pretty-ipa:
7764
7765         2009-03-27  Jan Hubicka  <jh@suse.cz>
7766
7767         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
7768         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
7769         * passes.c (function_called_by_processed_nodes_p): New.
7770         * ipa-pure-const.c (check_call): Fix handling of operands.
7771         (analyze_function): Dump debug output for skipped bodies.
7772         (local_pure_const): Use function_called_by_processed_nodes_p.
7773         * dwarf2out.c (reference_to_unused): Use output.
7774         * passes.c (do_per_function_toporder): Likewise.
7775
7776         2008-11-12  Jan Hubicka  <jh@suse.cz>
7777
7778         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
7779         * ipa-pure-const.c (funct_state_d): Add can throw field; make
7780         state_set_in_source enum
7781         (check_decl): Ignore memory tags; do not set fake looping flags;
7782         dump diagnostics.
7783         (check_operand, check_tree, check_rhs_var, check_lhs_var,
7784         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
7785         (check_call, analyze_function): Rewrite.
7786         (check_stmt): New.
7787         (add_new_function): Update call of analyze_function.
7788         (generate_summary): Add call of analyze_function.
7789         (propagate): Propagate can_throw; handle state_set_in_source correctly.
7790         (local_pure_const): New function.
7791         (pass_local_pure_const): New pass.
7792         * ipa-inline.c (inline_transform): Set after_inlining.
7793         * tree-eh.c (stmt_can_throw_external): New.
7794         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
7795         work with aliasing built.
7796         * tree-flow.h (stmt_can_throw_external): New.
7797         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
7798         and local pure/const pass in early and late optimization queue.
7799
7800 2009-03-28  Martin Jambor  <mjambor@suse.cz>
7801
7802         * fold-const.c (get_pointer_modulus_and_residue): New parameter
7803         allow_func_align.
7804         (fold_binary): Allow function decl aligment consideration is the
7805         second argument is integer constant one.
7806         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
7807         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
7808         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
7809
7810 2009-03-28  Jan Hubicka  <jh@suse.cz>
7811
7812         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
7813         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
7814         * function.h (rtl_data): Add nothrow flag.
7815         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
7816         set DECL_NOTHROW for AVAILABLE functions.
7817
7818 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
7819
7820         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
7821         following vector keyword has expansion starting with pixel or bool
7822         keyword, expand vector to __vector and pixel or bool to __pixel or
7823         __bool.
7824
7825         PR c++/39554
7826         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
7827         warn_if_disallowed_function_p): Removed.
7828         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
7829         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
7830         warning_if_disallowed_function_p.
7831         * flags.h (warn_if_disallowed_function_p,
7832         warn_disallowed_functions): Removed.
7833         * common.opt (Wdisallowed-function-list=): Removed.
7834         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
7835
7836 2009-03-28  Richard Guenther  <rguenther@suse.de>
7837
7838         PR tree-optimization/38723
7839         * tree-ssa-pre.c (compute_avail): Add all default definitions to
7840         the entry block.
7841
7842 2009-03-28  Jan Hubicka  <jh@suse.cz>
7843
7844         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
7845         test introduced by my previous patch.
7846
7847 2009-03-28  Richard Guenther  <rguenther@suse.de>
7848
7849         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
7850         the PHIs value undefined.
7851
7852 2009-03-28  Jan Hubicka  <jh@suse.cz>
7853
7854         * tree-pass.h (pass_fixup_cfg): New pass.
7855         * ipa-inline.c (inline_transform): Set
7856         always_inline_functions_inlined/after_inlining.
7857         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
7858         (pass_fixup_cfg): New pass.
7859         * passes.c (init_optimization_passes): Add fixup_cfg.
7860
7861 2009-03-28  Richard Guenther  <rguenther@suse.de>
7862
7863         PR tree-optimization/38458
7864         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
7865         argument use the arguments copy-of value.
7866
7867 2009-03-28  Richard Guenther  <rguenther@suse.de>
7868
7869         PR tree-optimization/38180
7870         * tree-ssa-ccp.c (get_default_value): Simplify.
7871         (likely_value): Likewise.
7872         (surely_varying_stmt_p): Properly handle VOP case.
7873         (ccp_initialize): Likewise.
7874         (ccp_fold): Handle propagating through *&.
7875         (fold_const_aggregate_ref): Also handle decls.
7876
7877 2009-03-28  Jan Hubicka  <jh@suse.cz>
7878
7879         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
7880         * cgraph.h (cgraph_node): Likewise.
7881         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
7882         (cgraph_reset_node): Use process flag.
7883         (cgraph_mark_functions_to_output): Likewise.
7884         (cgraph_expand_function): Likewise.
7885         (cgraph_expand_all_functions): Likewise.
7886         (cgraph_output_in_order): Likewise.
7887         * dwarf2out.c (reference_to_unused): Likewise.
7888         * passes.c do_per_function_toporder): Likewise.
7889
7890 2009-03-28  Jan Hubicka  <jh@suse.cz>
7891
7892         Bring from lto-branch:
7893
7894         2008-09-03  Doug Kwan  <dougkwan@google.com>
7895
7896         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
7897         enums instead of reason strings.
7898         * cgraph.c (cgraph_create_edge): Same.
7899         (cgraph_inline_failed_string): New function.
7900         * cgraph.h (cgraph_inline_failed_t): New enum type.
7901         (cgraph_inline_failed_string): New prototype.
7902         (struct cgraph_edge): Change type of INLINED_FAILED from constant
7903         char pointer to cgraph_inline_failed_t.
7904         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
7905         (cgraph_default_inline_p): Ditto.
7906         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
7907         to cgraph_inline_failed_t pointer.
7908         * cif-code.def: New file.
7909         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
7910         reason string.
7911         (cgraph_check_inline_limits): Change type of REASON to pointer to
7912         cgraph_inline_failed_t.  Replace reason strings with enums.
7913         (cgraph_default_inline_p): Ditto.
7914         (cgraph_recursive_inlining_p): Ditto.
7915         (update_caller_keys): Change type of FAILED_REASON to
7916         cgraph_inline_failed_t.
7917         (cgraph_set_inline_failed): Change type of REASON to pointer to
7918         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
7919         convert enums to strings for text output.
7920         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
7921         to be of type cgraph_inline_failed_t.  Replace reason strings with
7922         enums.  Call cgraph_inline_failed_string to covert enums
7923         to strings for text output.
7924         (cgraph_decide_inlining): Replace reason strings with enums.
7925         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
7926         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
7927         for text output.
7928         * tree-inline.c (expand_call_inline): Change type of REASON
7929         to cgraph_inline_failed_t.  Replace reason strings with enums.
7930         Call cgraph_inline_failed_string for text output.
7931         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
7932         (cgraph.o): Ditto.
7933
7934 2009-03-28  Jan Hubicka  <jh@suse.cz>
7935
7936         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
7937         cgraph_clone_node): Remove master clone handling.
7938         (cgraph_is_master_clone, cgraph_master_clone): Remove.
7939         * cgraph.h (master_clone): Remove.
7940         (cgraph_is_master_clone, cgraph_master_clone): Remove.
7941         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
7942         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
7943
7944 2009-03-28  Jan Hubicka  <jh@suse.cz>
7945
7946         * cgraph.c (cgraph_function_body_availability): Functions declared
7947         inline are always safe to assume that it is not going to be replaced.
7948
7949 2009-03-28  Richard Guenther  <rguenther@suse.de>
7950
7951         PR tree-optimization/38513
7952         * tree-ssa-pre.c (eliminate): Remove redundant stores.
7953         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
7954         EXC_PTR_EXPR and FILTER_EXPR.
7955         (get_ref_from_reference_ops): Likewise.
7956
7957 2009-03-28  Richard Guenther  <rguenther@suse.de>
7958
7959         PR tree-optimization/38968
7960         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7961         Use FLOOR_MOD_EXPR to compute misalignment.
7962
7963 2009-03-28  Richard Guenther  <rguenther@suse.de>
7964
7965         PR tree-optimization/37795
7966         * tree.h (combine_comparisons): Declare.
7967         * fold-const.c (combine_comparisons): Export.
7968         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
7969         comparisons.
7970         (ifcombine_iforif): Use combine_comparisons.
7971
7972 2009-03-28  Jan Hubicka  <jh@suse.cz>
7973
7974         * tree-eh.c (inlinable_call_p): New function.
7975         (make_eh_edges): Use it.
7976         (verify_eh_edges): Use it.
7977         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
7978         * except.c (reachable_next_level): Add inlinable_function argument
7979         (sjlj_find_directly_reachable_regions): Update.
7980         (add_reachable_handler): Do not set saw_any_handlers.
7981         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
7982         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
7983         Add new inlinable call parameter.
7984         (can_throw_internal, can_throw_external): Update.
7985         * except.h (can_throw_internal_1, can_throw_external_1,
7986         foreach_reachable_handler): Update declaration.
7987
7988 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
7989
7990         * config/arm/t-arm-coff, config/h8300/coff.h,
7991         config/i386/i386-aout.h, config/i386/i386-coff.h,
7992         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
7993         config/pdp11/2bsd.h, config/rs6000/aix41.h,
7994         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
7995         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
7996         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
7997         sys-types.h: Remove.
7998         * Makefile.in: Remove protoize and fixproto support and references
7999         in comments.
8000         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
8001         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
8002         Remove.
8003         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
8004         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
8005         unprotoize$(exeext).
8006         (rest.encap): Don't depend on $(STMP_FIXPROTO)
8007         (.PHONY): Don't depend on proto.
8008         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
8009         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
8010         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
8011         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
8012         build/gen-protos.o, build/scan.o, xsys-protos.h,
8013         build/fix-header$(build_exeext), build/fix-header.o,
8014         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
8015         stmp-install-fixproto): Remove.
8016         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
8017         SYSCALLS.c or fixproto files.
8018         (install-common): Don't install protoize.
8019         (install-headers-tar, install-headers-cpio, install-headers-cp):
8020         Don't depend on $(STMP_FIXPROTO).
8021         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
8022         install fixproto files or write out fixproto settings.
8023         (uninstall): Don't uninstall protoize.
8024         * config.gcc (use_fixproto): Remove.
8025         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
8026         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
8027         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
8028         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
8029         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
8030         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
8031         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
8032         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
8033         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
8034         * config/t-vxworks (STMP_FIXPROTO): Remove.
8035         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
8036         STMP_FIXPROTO): Remove.
8037         * config.in, configure: Regenerate.
8038         * crtstuff.c (gid_t, uid_t): Don't undefine.
8039         * doc/install.texi: Change m68k-coff to m68k-elf in example.
8040         (arm-*-coff, arm-*-aout: Remove target entries.
8041         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
8042         Remove mention of AIX 4.1.
8043         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
8044         * doc/invoke.texi (Running Protoize): Remove.
8045         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
8046         (Protoize Caveats): Remove.
8047         * tsystem.h: Update comments on headers assumed to exist.
8048
8049 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
8050
8051         * genautomata.c: Add a new year to the copyright.  Add a new
8052         reference.
8053         (struct insn_reserv_decl): Add comments for member bypass_list.
8054         (find_bypass): Remove.
8055         (insert_bypass): New.
8056         (process_decls): Use insert_bypass.
8057         (output_internal_insn_latency_func): Output all bypasses with the
8058         same input insn in one switch case.
8059
8060         * rtl.def (define_bypass): Describe bypass choice.
8061         * doc/md.texi (define_bypass): Ditto.
8062
8063 2009-03-27  Richard Guenther  <rguenther@suse.de>
8064
8065         * gimplify.c (mark_addressable): Export.
8066         * tree-flow.h (mark_addressable): Declare.
8067         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
8068         * tree-ssa.c (verify_phi_args): Verify that address taken
8069         variables have TREE_ADDRESSABLE set.
8070
8071 2009-03-27  Richard Guenther  <rguenther@suse.de>
8072
8073         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
8074         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
8075         Do not mark decls TREE_ADDRESSABLE.
8076         (build_fold_addr_expr): Adjust.
8077         (fold_addr_expr): Remove.
8078         (fold_unary): Use build_fold_addr_expr.
8079         (fold_comparison): Likewise.
8080         (split_address_to_core_and_offset): Likewise.
8081         * coverage.c (tree_coverage_counter_addr): Mark the array decl
8082         TREE_ADDRESSABLE.
8083         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
8084         (gimplify_modify_expr_to_memcpy): Mark source and destination
8085         addressable.
8086         * omp-low.c (create_omp_child_function): Mark the object decl
8087         TREE_ADDRESSABLE.
8088         (lower_rec_input_clauses): Mark the var we take the address of
8089         TREE_ADDRESSABLE.
8090         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
8091
8092 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8093
8094         PR middle-end/39315
8095         * cfgexpand.c (expand_one_stack_var_at): Change alignment
8096         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
8097
8098 2009-03-27  Richard Guenther  <rguenther@suse.de>
8099
8100         PR tree-optimization/39120
8101         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
8102         constraints.
8103         (handle_lhs_call): Process return constraints.  Add escape
8104         constraints if necessary.
8105         (handle_const_call): Fill out return constraints.  Make nested
8106         case more precise.  Avoid consttmp if possible.
8107         (handle_pure_call): Fill out return constraints.  Avoid
8108         callused if possible.
8109         (find_func_aliases): Simplify call handling.
8110
8111 2009-03-27  Richard Guenther  <rguenther@suse.de>
8112
8113         PR tree-optimization/39120
8114         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
8115         as a representative.
8116         (solve_graph): Do propagate CALLUSED.
8117         (handle_pure_call): Use a scalar constraint from CALLUSED for
8118         the return value.
8119         (find_what_p_points_to): CALLUSED shall not appear in poins-to
8120         solutions.
8121
8122 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8123
8124         PR c/39323
8125         * c-common.c (handle_aligned_attribute): Properly check alignment
8126         overflow.  Use (1U << i) instead of (1 << i).
8127
8128         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
8129
8130         * expr.h (get_mem_align_offset): Updated.
8131
8132         * tree.h (tree_decl_common): Change align to "unsigned int" and
8133         move it before pointer_alias_set.
8134
8135 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8136             Jakub Jelinek  <jakub@redhat.com>
8137
8138         PR target/38034
8139         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
8140         gr_register_operand with gr_reg_or_0_operand.
8141         (cmpxchg_rel_di): Likewise.
8142         (sync_lock_test_and_set<mode>): Likewise.
8143
8144 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8145
8146         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
8147         (true_regnum): Likewise.
8148
8149         * rtlanal.c (subreg_info): Moved to ...
8150         * rtl.h (subreg_info): Here.  New.
8151         (subreg_get_info): New.
8152
8153         * rtlanal.c (subreg_get_info): Make it extern.
8154
8155 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8156
8157         PR target/39472
8158         * config/i386/i386.c (ix86_abi): New.
8159         (override_options): Handle -mabi=.
8160         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
8161         (ix86_call_abi_override): Likewise.
8162         (init_cumulative_args): Likewise.
8163         (function_arg_advance): Likewise.
8164         (function_arg_64): Likewise.
8165         (function_arg): Likewise.
8166         (ix86_pass_by_reference): Likewise.
8167         (ix86_function_value_regno_p): Likewise.
8168         (ix86_build_builtin_va_list_abi): Likewise.
8169         (setup_incoming_varargs_64): Likewise.
8170         (is_va_list_char_pointer): Likewise.
8171         (ix86_init_machine_status): Likewise.
8172         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
8173         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
8174         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
8175         (ix86_function_abi): Make it static and return enum calling_abi.
8176         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
8177         with ix86_abi.
8178         (ix86_fn_abi_va_list): Updated.
8179
8180         * config/i386/i386.h (ix86_abi): New.
8181         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
8182         (CONDITIONAL_REGISTER_USAGE): Likewise.
8183         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
8184         (machine_function): Likewise.
8185
8186         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
8187         with ix86_abi.
8188         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
8189         (STACK_BOUNDARY): Likewise.
8190         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
8191
8192         * config/i386/i386.opt (mabi=): New.
8193
8194         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
8195         return enum calling_abi.
8196         (ix86_function_type_abi): Likewise.
8197         (ix86_function_abi): Removed.
8198
8199         * doc/invoke.texi: Document -mabi= option for x86.
8200
8201 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8202
8203         * builtins.c (real_dconstp): Delete.
8204         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
8205
8206 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
8207             Jakub Jelinek  <jakub@redhat.com>
8208
8209         PR debug/37959
8210         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
8211         (gen_subprogram_die): When a function is explicit, generate the
8212         DW_AT_explicit attribute.
8213         * langhooks.h (struct lang_hooks_for_decls): Add
8214         function_decl_explicit_p langhook.
8215         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
8216         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
8217
8218 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
8219
8220         * builtins.c (fold_builtin_memory_op): Optimize memmove
8221         into memcpy if we can prove source and destination don't overlap.
8222
8223         * tree-inline.c: Include gt-tree-inline.h.
8224         (clone_fn_id_num): New variable.
8225         (clone_function_name): New function.
8226         (tree_function_versioning): Use it.
8227         * Makefile.in (GTFILES): Add tree-inline.c.
8228
8229 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
8230
8231         * BASE-VER: Change to 4.5.0.
8232
8233 2009-03-27  Xinliang David Li  <davidxl@google.com>
8234
8235         PR tree-optimization/39557
8236         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
8237
8238 2009-03-27  Xinliang David Li  <davidxl@google.com>
8239
8240         PR tree-optimization/39548
8241         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
8242         candidate check.
8243
8244 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8245
8246         * c-common.c (pointer_int_sum): Use %wd on return from
8247         tree_low_cst.
8248
8249 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8250
8251         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
8252         on return from tree_low_cst.
8253
8254 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8255
8256         PR c++/36799
8257         * ginclude/stdarg.h (va_copy): Define also for
8258         __GXX_EXPERIMENTAL_CXX0X__.
8259
8260 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8261
8262         PR c++/35652
8263         * builtins.h (c_strlen): Do not warn here.
8264         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
8265         * c-common.c (pointer_int_sum): Take an explicit location.
8266         Warn about offsets out of bounds.
8267         * c-common.h (pointer_int_sum): Adjust declaration.
8268
8269 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8270
8271         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
8272         markup glitch.
8273
8274 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
8275
8276         PR c++/39554
8277         * opts.c (warn_if_disallowed_function_p): Don't assume
8278         get_callee_fndecl must return non-NULL.
8279
8280 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
8281
8282         PR rtl-optimization/39522
8283         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
8284         when reg_reloaded_valid is set.
8285
8286 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8287
8288         * config/spu/divv2df3.c: New file.
8289         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
8290         (DPBIT_FUNCS): Filter out _div_df.
8291
8292 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
8293
8294         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
8295         a jump insn, count that jump in the distance to the loop start.
8296
8297 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
8298
8299         PR target/39523
8300         * config/sh/sh.c (calc_live_regs): Fix condition for global
8301         registers except PIC_OFFSET_TABLE_REGNUM.
8302
8303 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
8304
8305         PR/39518
8306         * doc/invoke.texi (-mconsole): New.
8307         (-mcygwin): New.
8308         (-mno-cygwin): New.
8309         (-mdll): New.
8310         (-mnop-fun-dllimport): New.
8311         (-mthread): New.
8312         (-mwin32): New.
8313         (-mwindows): New.
8314         (sub section "i386 and x86-64 Windows Options"): New.
8315
8316 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
8317
8318         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
8319         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
8320
8321 2009-03-25  Richard Guenther  <rguenther@suse.de>
8322
8323         PR middle-end/39497
8324         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
8325         of -Wno-error.
8326
8327 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
8328
8329         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
8330         neither of haifa/selective schedulers are working.
8331
8332 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8333
8334         * doc/invoke.texi (Debugging Options): Fix description of
8335         -fno-merge-debug-strings.
8336
8337 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
8338
8339         * config/cris/libgcc.ver: New version-script.
8340         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
8341
8342         * configure.ac <GAS features, nop mnemonic>: Add pattern
8343         crisv32-*-* for "nop".
8344         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
8345         * configure: Regenerate.
8346
8347 2009-03-24  Ira Rosen  <irar@il.ibm.com>
8348
8349         PR tree-optimization/39529
8350         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
8351         mark_sym_for_renaming for the tag copied to the new vector
8352         pointer.
8353
8354 2009-03-24  Arthur Loiret  <aloiret@debian.org>
8355
8356         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
8357         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
8358         EXTRA_SPEC_FUNCTIONS.
8359         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
8360         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
8361         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
8362         -march and -mtune options.
8363
8364 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
8365
8366         * config/m68k/t-rtems: Add m5329 multilib.
8367
8368 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
8369             Jakub Jelinek  <jakub@redhat.com>
8370
8371         PR debug/39524
8372         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
8373         nodes.
8374
8375 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8376
8377         PR c/39495
8378         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
8379         instead of c_parser_expression_conv, if original_code isn't one of the
8380         4 allowed comparison codes, fail.
8381
8382 2009-03-23  Richard Guenther  <rguenther@suse.de>
8383
8384         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
8385         * tree.h (struct tree_type): Likewise.
8386         * reload.h (struct insn_chain): Likewise.
8387         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
8388         * function.h (struct function): Likewise.
8389         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
8390
8391 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8392
8393         PR tree-optimization/39516
8394         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
8395
8396 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
8397
8398         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
8399         should be set true if BITS_PER_WORD of target is bigger than 32
8400
8401 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
8402
8403         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
8404         Translate -B-options to -rpath-link.  Correct existing
8405         rpath-link and conditionalize on !nostdlib.
8406
8407 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8408
8409         * doc/extend.texi (Function Attributes, Variable Attributes):
8410         Fix typos.
8411         * doc/invoke.texi (Debugging Options, Optimize Options)
8412         (i386 and x86-64 Options, MCore Options): Likewise.
8413
8414 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
8415
8416         PR debug/37890
8417         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
8418         it for block local namespace aliases.
8419         (gen_decl_die): Pass context_die to gen_namespace_die.
8420
8421 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8422
8423         PR c/39495
8424         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
8425         minimum or maximum value.
8426
8427 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
8428
8429         * reginfo.c (globalize_reg): Recompute derived reg sets.
8430
8431 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
8432
8433         PR target/39063
8434         * libgcc2.c (mprotect): Do not use signed arguments for
8435         VirtualProtect, use DWORD arguments.  Also fix the 'may
8436         be used uninitialized' warning for the np variable.
8437
8438 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8439
8440         PR target/39496
8441         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
8442         functions using regparm calling conventions when not optimizing.
8443         (ix86_function_sseregparm): Similarly for sseregparm calling
8444         conventions.
8445
8446 2009-03-19  Li Feng  <nemokingdom@gmail.com>
8447
8448         PR middle-end/39500
8449         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
8450         dependence if the first conflict is after niter iterations.
8451
8452 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
8453
8454         PR middle-end/38609
8455         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
8456         functions with dynamic stack-pointer adjustments.
8457
8458 2009-03-19  Ben Elliston  <bje@au.ibm.com>
8459
8460         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
8461         option; change to -msdata=data.
8462
8463 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8464
8465         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
8466         and -fopenmp.
8467
8468 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
8469
8470         PR target/35180
8471         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
8472
8473 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
8474
8475         * doc/invoke.texi (Code Gen Options): Expand discussion of
8476         -fno-common.
8477
8478 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
8479
8480         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
8481         * matrix-reorg.c (struct matrix_info): Likewise.
8482         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
8483         * rtl.h (struct mem_attrs): Likewise.
8484         * df.h (struct df): Likewise.
8485         * tree-data-ref.h (struct data_dependence_relation): Likewise.
8486         * ira-int.h (struct ira_allocno): Likewise.
8487         * df-scan.c (struct df_collection_rec): Likewise.
8488         * ira.c (struct equivalence): Likewise.
8489         * function.c (struct temp_slot): Likewise.
8490         * cfgloop.h (struct loop): Likewise.
8491
8492         PR debug/39485
8493         * function.c (use_register_for_decl): When not optimizing, disregard
8494         register keyword for variables with types containing methods.
8495
8496 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
8497
8498         PR middle-end/39447
8499         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
8500         (is_simple_operand): Call contains_component_ref_p before calling data
8501         reference analysis that would fail on COMPONENT_REFs.
8502
8503         * tree-vrp.c (search_for_addr_array): Fix formatting.
8504
8505 2009-03-18  Richard Guenther  <rguenther@suse.de>
8506
8507         * tree-vect-transform.c (vect_loop_versioning): Fold the
8508         generated comparisons.
8509         * tree-vectorizer.c (set_prologue_iterations): Likewise.
8510         (slpeel_tree_peel_loop_to_edge): Likewise.
8511
8512 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8513
8514         PR middle-end/37805
8515         * opts.c (print_specific_help): In addition to `undocumented',
8516         accept `separate' and `joined' flags if passed alone.  Describe
8517         output by the first matched one of those.
8518         (common_handle_option): Skip over empty strings.
8519         * gcc.c (display_help): Fix help string for `--help='.
8520         * doc/invoke.texi (Option Summary, Overall Options): With
8521         `--help=', classes and qualifiers can both be repeated, but
8522         only the latter can be negated.  One should not pass only
8523         negated qualifiers.  Fix markup and examples.
8524
8525         Revert
8526         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
8527         PR middle-end/37805
8528         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
8529         and -fhelp=separate.
8530
8531 2009-03-17  Jing Yu  <jingyu@google.com>
8532
8533         PR middle-end/39378
8534         * function.h (struct rtl_data): Move is_thunk from here...
8535         (struct function): ...to here.
8536         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
8537         * varasm.c (assemble_start_function): Change is_thunk from crtl to
8538         cfun.
8539         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
8540         cfun.
8541         (alpha_does_function_need_gp, alpha_start_function): Likewise.
8542         (alpha_output_function_end_prologue): Likewise.
8543         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
8544         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
8545         (rs6000_output_function_epilogue): Likewise.
8546         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
8547
8548 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
8549
8550         PR target/39482
8551         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
8552         from different units in a single alternative.
8553         (*truncdfsf_i387): Ditto.
8554         (*truncxfsf2_mixed): Ditto.
8555         (*truncxfdf2_mixed): Ditto.
8556
8557 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
8558
8559         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
8560         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
8561
8562         PR debug/39474
8563         * tree-ssa-live.c (remove_unused_locals): Don't remove local
8564         unused non-artificial variables when not optimizing.
8565
8566         PR debug/39471
8567         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
8568         DW_TAG_imported_module even if decl is IMPORTED_DECL with
8569         NAMESPACE_DECL in its DECL_INITIAL.
8570
8571         PR middle-end/39443
8572         * optabs.c (set_user_assembler_libfunc): New function.
8573         * expr.h (set_user_assembler_libfunc): New prototype.
8574         * c-common.c: Include libfuncs.h.
8575         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
8576         for memcmp, memset, memcpy, memmove and abort.
8577         * Makefile.in (c-common.o): Depend on libfuncs.h.
8578
8579         PR debug/39412
8580         * dwarf2out.c (gen_inlined_enumeration_type_die,
8581         gen_inlined_structure_type_die, gen_inlined_union_type_die,
8582         gen_tagged_type_instantiation_die): Removed.
8583         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
8584         do nothing.
8585
8586 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
8587
8588         PR testsuite/38526
8589         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
8590         its use.
8591         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
8592         (check-parallel-%): Ditto.
8593         (check-consistency): Ditto.
8594
8595 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
8596
8597         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
8598         local variable rhs by NULL_TREE.
8599
8600 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8601
8602         PR target/39477
8603         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
8604
8605 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8606
8607         PR target/39476
8608         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
8609
8610 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8611
8612         PR target/39473
8613         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
8614         for ms->sysv ABI calls only in 64bit mode.
8615
8616         * config/i386/i386.md (untyped_call): Support 32bit.
8617
8618 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
8619
8620         * doc/extend.texi: Replace x86_65 with x86_64.
8621
8622 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
8623
8624         PR tree-optimization/39455
8625         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
8626         mismatches for POINTER_TYPE_P (type).
8627         (number_of_iterations_le): Likewise.
8628
8629 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
8630
8631         * config/picochip/picochip.c: Removed profiling support.
8632         * config/picochip/picochip.md: Removed profiling instruction.
8633         * config/picochip/picochip.h: Removed profiling builtin.
8634
8635 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
8636
8637         * doc/install.texi (--with-host-libstdcxx): Document.
8638
8639 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
8640
8641         PR target/34299
8642         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
8643         generate a warning if the function name does not begin with
8644         "__vector" and the function has either the 'signal' or 'interrupt'
8645         attribute, from here to ...
8646         (avr_declare_function_name): ...here. New function.
8647         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
8648         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
8649
8650 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
8651
8652         PR bootstrap/39454
8653         * cse.c (fold_rtx): Don't modify original const_arg1 when
8654         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
8655         separate variable instead.
8656         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
8657         from out of range shift counts.
8658         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
8659
8660 2009-03-13  Catherine Moore  <clm@codesourcery.com>
8661
8662         * config/i386/x-mingw32 (host-mingw32.o): Replace
8663         diagnostic.h with $(DIAGNOSTIC_H).
8664
8665 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
8666
8667         PR target/39431
8668         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
8669         predicate.
8670         * config/i386/sync.md (sync_compare_and_swap<mode>,
8671         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
8672         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
8673         into a register.
8674         (sync_double_compare_and_swapdi_pic,
8675         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
8676         cmpxchg8b_pic_memory_operand instead of just memory_operand.
8677
8678 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8679
8680         PR target/39445
8681         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
8682
8683 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8684
8685         PR target/39327
8686         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
8687         (avx_addsubv4df3): Likewise.
8688         (*avx_addsubv4sf3): Likewise.
8689         (sse3_addsubv4sf3): Likewise.
8690
8691 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8692
8693         PR target/38824
8694         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
8695
8696 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
8697
8698         PR debug/39432
8699         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
8700         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
8701         registers for allocnos created from user-defined variables.
8702
8703 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8704
8705         PR target/39181
8706         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
8707         of non-integer mode as well.
8708
8709 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
8710
8711         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
8712         for functions for which the parameter types are unknown.
8713
8714 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
8715
8716         PR target/39137
8717         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
8718         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
8719         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
8720         * config/i386/i386.c (ix86_local_alignment): For
8721         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
8722         long long variables on the stack to avoid dynamic realignment.
8723         Allow the first argument to be a decl rather than type.
8724         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
8725
8726 2009-03-11  Nick Clifton  <nickc@redhat.com>
8727
8728         PR target/5362
8729         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
8730         options.
8731         Add description to mno-lsim option.
8732         * config/mcore/mcore.h: Remove comment about deprecated m4align
8733         option.
8734         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
8735         * doc/invoke.texi: Add description of mno-lsim and
8736         mstack-increment options.
8737
8738         * config/fr30/fr30.opt: Document the -mno-lsim option.
8739         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
8740         and -mno-lsim options.
8741
8742 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8743
8744         * fold-const.c (fold_comparison): Only call fold_inf_compare
8745         if the mode supports infinities.
8746
8747 2009-03-11  Jason Merrill  <jason@redhat.com>
8748
8749         PR debug/39086
8750         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
8751         end already did.  Notice GIMPLE_CALL modifications of the result.
8752         Don't copy debug information from an ignored decl or a decl from
8753         another function.
8754
8755 2009-03-10  Richard Guenther  <rguenther@suse.de>
8756             Nathan Froyd  <froydnj@codesourcery.com>
8757
8758         PR middle-end/37850
8759         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
8760         (__divMODE3): Likewise.
8761
8762 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
8763
8764         PR tree-optimization/39394
8765         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
8766         DECL_SIZE_UNIT of variable length FIELD_DECLs.
8767
8768 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8769
8770         * recog.c (verfiy_changes): Disallow renaming of hard regs in
8771         inline asms for register asm ("") declarations.
8772
8773 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
8774
8775         * fold-const.c (fold_unary): Fix comment.
8776
8777 2009-03-07  Jan Hubicka  <jh@suse.cz>
8778
8779         PR target/39361
8780         * tree-inline.c (setup_one_parameter): Do replacement of const
8781         argument by constant in SSA form.
8782
8783 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8784
8785         PR middle-end/38028
8786         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
8787         determine alignment passed to assign_stack_local.
8788         (assign_parms_unsplit_complex): Likewise.
8789         * except.c (sjlj_build_landing_pads): Likewise.
8790
8791 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
8792
8793         PR middle-end/39360
8794         * tree-flow.h (add_referenced_var): Return bool instead of void.
8795         * tree-dfa.c (add_referenced_var): Return result of
8796         referenced_var_check_and_insert call.
8797         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
8798         of referenced_var_check_and_insert.
8799
8800         PR debug/39372
8801         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
8802         (gen_variable_die): Emit DW_AT_location on abstract static variable's
8803         DIE, don't emit it if abstract origin already has it.
8804         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
8805         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
8806
8807 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
8808
8809         * genpreds.c (needs_variable): Fix parentheses at variable name
8810         detection.
8811         (write_tm_constrs_h): Indent generated code.
8812
8813 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8814
8815         * doc/extend.texi (Function Attributes): Add documentation
8816         for isr attributes.
8817
8818 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
8819
8820         PR debug/39387
8821         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
8822         take locus from its DECL_SOURCE_LOCATION instead of input_location.
8823
8824 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
8825
8826         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
8827         the loop as bad.
8828
8829 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
8830
8831         PR debug/39379
8832         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
8833         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
8834
8835 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
8836
8837         * config/i386/i386.md (R8_REG, R9_REG): New constants.
8838         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
8839         constants instead of magic numbers.
8840         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
8841         (QI_REG_P): Ditto.
8842         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
8843         (x86_64_ms_abi_int_parameter_registers): Ditto.
8844         (x86_64_int_return_registers): Ditto.
8845         (ix86_maybe_switch_abi): Ditto.
8846         (ix86_expand_call): Ditto for clobbered_registers array.
8847         (ix86_hard_regno_mode_ok): Ditto.
8848         (x86_extended_QIreg_mentioned_p): Ditto.
8849
8850 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
8851
8852         PR tree-optimization/39349
8853         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
8854
8855         * combine.c (gen_lowpart_for_combine): Use omode when generating
8856         clobber.
8857
8858 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
8859
8860         PR rtl-optimization/39235
8861         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
8862
8863 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8864
8865         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
8866
8867 2009-03-04  Richard Guenther  <rguenther@suse.de>
8868
8869         PR tree-optimization/39362
8870         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
8871         that occur in abnormal PHIs should be varying.
8872
8873 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8874
8875         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
8876         Extend comments.
8877         (simple_iv):  Take loop as an argument instead of statement.
8878         * tree-scalar-evolution.h (simple_iv): Declaration changed.
8879         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
8880         to simple_iv.
8881         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
8882         Ditto.
8883         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
8884         * matrix-reorg.c (analyze_transpose): Ditto.
8885         * tree-data-ref.c (dr_analyze_innermost): Ditto.
8886         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
8887         * tree-predcom.c (ref_at_iteration): Ditto.
8888         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
8889
8890 2009-03-04  Richard Guenther  <rguenther@suse.de>
8891
8892         PR tree-optimization/39358
8893         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
8894         escaped_id and callused_id.
8895         (solve_graph): Likewise.
8896
8897 2009-03-04  Richard Guenther  <rguenther@suse.de>
8898
8899         PR tree-optimization/39339
8900         * tree-sra.c (try_instantiate_multiple_fields): Make it
8901         no longer ICE on the above.
8902
8903 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
8904
8905         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
8906         that fits within Pmode.
8907
8908 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8909
8910         PR middle-end/10109
8911         * tm.texi (LIBCALL_VALUE): Update description.
8912
8913 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8914
8915         PR middle-end/34443
8916         * doc/extend.texi (section): Update description.
8917
8918 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
8919
8920         PR middle-end/39345
8921         * tree-inline.c (remapped_type): New.
8922         (can_be_nonlocal): Call remapped_type instead of remap_type.
8923
8924 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
8925
8926         PR fortran/39354
8927         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
8928         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
8929
8930 2009-03-03  Richard Guenther  <rguenther@suse.de>
8931
8932         PR middle-end/39272
8933         * tree.c (tree_nonartificial_location): New function.
8934         * tree.h (tree_nonartificial_location): Declare.
8935         * builtins.c (expand_builtin_memory_chk): Provide location
8936         of the call location for artificial function pieces.
8937         (maybe_emit_chk_warning): Likewise.
8938         (maybe_emit_sprintf_chk_warning): Likewise.
8939         (maybe_emit_free_warning): Likewise.
8940         * expr.c (expand_expr_real_1): Likewise.
8941
8942 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
8943
8944         PR tree-optimization/39343
8945         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
8946         COMPONENT_REF t has ARRAY_TYPE.
8947
8948 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8949
8950         PR middle-end/39335
8951         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
8952         when the type precision of the induction variable should be
8953         larger than the type precision of nit.
8954         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
8955         * graphite.c (graphite_loop_normal_form): Same.
8956         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
8957
8958 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
8959
8960         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
8961         (*call_1_rex64_ms_sysv): Use named constants instead of magic
8962         numbers to describe clobbered registers.
8963         (*call_value_0_rex64_ms_sysv): Ditto.
8964         * config/i386/mmx.md (mmx_emms): Ditto.
8965         (mmx_femms): Ditto.
8966
8967 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
8968
8969         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
8970         of ABI_64.
8971
8972 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8973
8974         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
8975         (spu_section_type_flags): New function.
8976
8977 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
8978
8979         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
8980         reg_class_contents of FLOAT_REGS into a temporary.
8981
8982 2009-03-02  Richard Guenther  <rguenther@suse.de>
8983             Ira Rosen  <irar@il.ibm.com>
8984
8985         PR tree-optimization/39318
8986         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
8987         information to the vectorized statement.
8988
8989 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
8990
8991         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
8992         variable.  Use defined names instead of magic constants for REX SSE
8993         registers.
8994
8995 2009-03-01  Richard Guenther  <rguenther@suse.de>
8996
8997         PR tree-optimization/39331
8998         * omp-low.c (lower_send_shared_vars): Do not receive new
8999         values for the reference of DECL_BY_REFERENCE parms or results.
9000
9001 2009-03-01  Jan Hubicka  <jh@suse.cz>
9002
9003         PR debug/39267
9004         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
9005         BLOCK_NONLOCALIZED_VAR): New macros.
9006         (tree_block): Add nonlocalized_vars.
9007         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
9008         gen_decl_die): Add origin argument.  Allow generation of die with
9009         origin at hand only.
9010         (gen_member_die, gen_type_die_with_usage, force_decl_die,
9011         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
9012         of gen_*.
9013         (gen_block_die): Fix checking for unused blocks.
9014         (process_scope_var): Break out from .... ; work with origins only.
9015         (decls_for_scope) ... here; process nonlocalized list.
9016         (dwarf2out_ignore_block): Look for nonlocalized vars.
9017         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
9018         vars.
9019         (dump_scope_block): Dump them.
9020         * tree-inline.c (remap_decls): Handle nonlocalized vars.
9021         (remap_block): Likewise.
9022         (can_be_nonlocal): New predicate.
9023         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
9024
9025 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9026
9027         * configure: Regenerate.
9028
9029 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9030
9031         * optc-gen.awk: No need to duplicate option flags twice.
9032         Reuse help texts for duplicate options which do not have any.
9033
9034         * gcc.c (display_help): Document --version.
9035
9036         * gcc.c (main): If print_help_list and verbose_flag, ensure
9037         driver output comes before subprocess output.
9038
9039         * optc-gen.awk: Assign all remaining fields to help string,
9040         space-separated, for multi-line help in *.opt.
9041
9042         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
9043         -Wno-pedantic-ms-format is for MinGW targets only.
9044
9045         * doc/options.texi (Option file format): Fix bad indentation,
9046         restoring dropped sentence.
9047
9048 2009-02-28  Jan Hubicka  <jh@suse.cz>
9049
9050         * tree-inline.c (tree_function_versioning): Output debug info.
9051
9052 2009-02-28  Jan Hubicka  <jh@suse.cz>
9053
9054         PR debug/39267
9055         * tree-inline.c (setup_one_parameter): Do not copy propagate
9056         arguments when not optimizing.
9057
9058 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9059
9060         PR target/39327
9061         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9062         (avx_addsubv4df3): Likewise.
9063         (*avx_addsubv4sf3): Likewise.
9064         (sse3_addsubv4sf3): Likewise.
9065         (*avx_addsubv2df3): Likewise.
9066         (sse3_addsubv2df3): Likewise.
9067         (avx_unpckhps256): Correct item selectors.
9068         (avx_unpcklps256): Likewise.
9069         (avx_unpckhpd256): Likewise.
9070         (avx_unpcklpd256): Likewise.
9071
9072 2009-02-28  Jan Hubicka  <jh@suse.cz>
9073
9074         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
9075         static vars.
9076         (copy_arguments_for_versioning): If var is declared don't declare it.
9077         (tree_function_versioning): First setup substitutions and then copy
9078         args.
9079
9080 2009-02-27  Jan Hubicka  <jh@suse.cz>
9081
9082         PR debug/39267
9083         * cgraph.h (varpool_output_debug_info): Remove.
9084         * cgraphunit.c (varpool_output_debug_info): Remove.
9085         * dwarf2out.c (deferred_locations_struct): New struct
9086         (deferred_locations): New type.
9087         (deferred_locations_list): New static var.
9088         (deffer_location): New function.
9089         (gen_variable_die): Use it.
9090         (decls_for_scope): Output info on local static vars.
9091         (dwarf2out_finish): Process deferred locations.
9092         * varpool.c (varpool_output_debug_info): Remove.
9093
9094 2009-02-27  Jan Hubicka  <jh@suse.cz>
9095
9096         PR debug/39267
9097         * tree.h (TREE_PROTECTED): Fix comment.
9098         (BLOCK_HANDLER_BLOCK): Remove.
9099         (struct tree_block): Remove handler_block add body_block.
9100         (inlined_function_outer_scope_p): New.
9101         (is_body_block): Remove.
9102         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
9103         * dwarf2out.c (is_inlined_entry_point): Remove.
9104         (add_high_low_attributes): Use inlined_function_outer_scope_p.
9105         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
9106         code.
9107         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
9108         * gimplify.c (gimplify_expr): Gimplify body blocks.
9109         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
9110         block with multiple subblocks.
9111         (dump_scope_block): Prettier output; dump more flags and info.
9112         (dump_scope_blocks): New.
9113         (remove_unused_locals): Use dump_scope_blocks.
9114         * tree-flow.h (dump_scope_blocks): Declare.
9115         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
9116         * stmt.c (is_body_block): Remove.
9117         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
9118         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
9119
9120 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
9121
9122         PR middle-end/39308
9123         * graphite.c (graphite_loop_normal_form): Do not call
9124         number_of_iterations_exit from a gcc_assert.
9125
9126 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9127
9128         * config/s390/s390.c (s390_swap_cmp): Look for conditional
9129         jumps if COND is NULL.
9130         (find_cond_jump): New function.
9131         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
9132         * config/s390/s390.md: Remove z10_cobra attribute value.
9133
9134 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
9135
9136         * config/alpha/alpha.h (alpha_expand_mov): Return false if
9137         force_const_mem returns NULL_RTX.
9138
9139 2009-02-26  Jan Hubicka  <jh@suse.cz>
9140
9141         PR debug/39267
9142         * cgraph.h (varpool_output_debug_info): Remove.
9143         * cgraphunit.c (varpool_output_debug_info): Remove.
9144         * dwarf2out.c (deferred_locations_struct): New struct
9145         (deferred_locations): New type.
9146         (deferred_locations_list): New static var.
9147         (deffer_location): New function.
9148         (gen_variable_die): Use it.
9149         (decls_for_scope): Output info on local static vars.
9150         (dwarf2out_finish): Process deferred locations.
9151         * varpool.c (varpool_output_debug_info): Remove.
9152
9153 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
9154
9155         PR rtl-optimization/39241
9156         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
9157         to subreg_offset_representable_p.
9158
9159 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9160
9161         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
9162         execute function prototype.  Get f and nregs from max_reg_num
9163         and get_insns.  Remove the first backward pass as it's dead,
9164         guard the forward pass by flag_expensive_optimizations.
9165         (rest_of_handle_regmove): Delete.
9166         (pass_regmove): Replace it with regmove_optimize.
9167
9168 2009-02-25  Martin Jambor  <mjambor@suse.cz>
9169
9170         PR tree-optimization/39259
9171         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
9172         calls_alloca function flags.
9173         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
9174         calls are detected.
9175
9176 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9177
9178         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
9179         flags_set_1_rtx, flags_set_1_set): Delete.
9180         (regmove_optimize): Do not call mark_flags_life_zones.
9181
9182 2009-02-24  Julian Brown  <julian@codesourcery.com>
9183
9184         PR target/35965
9185         * config/arm/arm.c (require_pic_register): Only set
9186         cfun->machine->pic_reg once per function.
9187
9188 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
9189
9190         * doc/invoke.texi (Link Options): Document an easier way to pass
9191         options that take arguments to the GNU linker using -Xlinker and -Wl.
9192
9193 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
9194
9195         PR target/33785
9196         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
9197
9198 2009-02-24  Richard Guenther  <rguenther@suse.de>
9199
9200         PR debug/39285
9201         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
9202
9203 2009-02-24  Richard Guenther  <rguenther@suse.de>
9204             Zdenek Dvorak  <ook@ucw.cz>
9205
9206         PR tree-optimization/39233
9207         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
9208         from converting them to a generic type.
9209
9210 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
9211
9212         PR tree-optimization/39260
9213         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
9214         contains a condition with a real type.
9215         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
9216
9217 2009-02-23  Jason Merrill  <jason@redhat.com>
9218
9219         PR c++/38880
9220         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
9221         narrowing_initializer_constant_valid_p.
9222         (narrowing_initializer_constant_valid_p): Don't return
9223         null_pointer_node for adding a pointer to itself.
9224
9225 2009-02-23  Jan Hubicka  <jh@suse.cz>
9226
9227         PR c/12245
9228         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
9229         resizing.
9230
9231 2009-02-23  Jan Hubicka  <jh@suse.cz>
9232
9233         PR tree-optimization/37709
9234         * tree.c (block_ultimate_origin): Move here from dwarf2out.
9235         * tree.h (block_ultimate_origin): Declare.
9236         * dwarf2out.c (block_ultimate_origin): Move to tree.c
9237         * tree-ssa-live.c (remove_unused_scope_block_p):
9238         Eliminate blocks containig no instructions nor live variables nor
9239         nested blocks.
9240         (dump_scope_block): New function.
9241         (remove_unused_locals): Enable removal of dead blocks by default;
9242         enable dumping at TDF_DETAILS.
9243
9244 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9245
9246         * config/i386/i386.c (classify_argument): Don't allow COImode
9247         and OImode.
9248         (function_arg_advance_32): Don't allow OImode.
9249         (function_arg_32): Likewise.
9250         (function_value_32): Likewise.
9251         (return_in_memory_32): Likewise.
9252         (function_arg_64): Remove OImode comment.
9253
9254 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9255
9256         PR target/39261
9257         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
9258         ix86_expand_vector_set for V4DImode in 64bit mode only.
9259         (ix86_expand_vector_init_one_var): Likewise.
9260
9261 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
9262
9263         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
9264
9265 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9266
9267         PR bootstrap/39257
9268         * loop-iv.c: Revert last change.
9269         * emit-rtl.c: Likewise.
9270
9271 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9272
9273         PR target/39256
9274         * config/i386/i386.c (type_natural_mode): Remove an extra
9275         space in the warning message.
9276         (function_value_32): Handle 32-byte vector modes.
9277         (return_in_memory_32): Likewise.
9278
9279 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9280
9281         * loop-iv.c (truncate_value): New function.
9282         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
9283         of lowpart_subreg.
9284         (lowpart_subreg): Move to...
9285         * emit-rtl.c: ...here.
9286
9287 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
9288
9289         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
9290         accidental and undocumented change at revision 140860.
9291
9292 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
9293
9294         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
9295         take gimple_seq * arguments.
9296         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
9297         types_compatible_p langhook.
9298
9299 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
9300             Joseph Myers  <joseph@codesourcery.com>
9301
9302         * config/arm/arm.c (arm_builtin_va_list): New function.
9303         (arm_expand_builtin_va_start): Likewise.
9304         (arm_gimplify_va_arg_expr): Likewise.
9305         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
9306         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
9307         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
9308         (va_list_type): New variable.
9309         (arm_mangle_type): Mangle va_list_type appropriately.
9310
9311 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9312
9313         PR middle-end/39157
9314         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
9315         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
9316         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
9317         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
9318         parameter to 1000 for -O1 by default.
9319         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
9320         parameter.
9321         * loop-invariant.c: Include params.h.
9322         (move_loop_invariants): Don't call move_single_loop_invariants on
9323         very large loops.
9324
9325 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
9326
9327         * calls.c (emit_library_call_value_1): Use slot_offset instead of
9328         offset when calculating bounds for indexing stack_usage_map.  Fixes
9329         a buffer overflow with certain target setups.
9330
9331 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9332
9333         PR target/39240
9334         * calls.c (expand_call): Clear try_tail_call if caller and callee
9335         disagree in promotion of function return value.
9336
9337 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
9338
9339         PR target/39175
9340         * c-common.c (c_determine_visibility): If visibility changed and
9341         DECL_RTL has been already set, call make_decl_rtl to update symbol
9342         flags.
9343
9344 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
9345
9346         PR c++/39188
9347         * varasm.c (assemble_variable): Don't check DECL_NAME when
9348         globalizing a variable.
9349
9350 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
9351
9352         PR c/38483
9353         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
9354         expression before any __builtin_trap call.
9355         * c-typeck.c (build_function_call): Convert and check function
9356         arguments before generating a call to a trap.  Evaluate the
9357         function arguments before the trap.
9358
9359 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
9360
9361         PR target/39228
9362         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
9363         (UNSPEC_FXAM_MEM): New unspec.
9364         (fxam<mode>2_i387_with_temp): New insn and split pattern.
9365         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
9366         memory using fxam<mode>2_i387_with_temp to remove excess precision.
9367
9368 2009-02-19  Richard Guenther  <rguenther@suse.de>
9369
9370         PR tree-optimization/39207
9371         PR tree-optimization/39074
9372         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
9373         storedanything_tree): New.
9374         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
9375         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
9376         (build_succ_graph): Add edges from STOREDANYTHING to all
9377         non-direct nodes.
9378         (init_base_vars): Initialize STOREDANYTHING.
9379         (compute_points_to_sets): Free substitution info after
9380         building the succ graph.
9381         (ipa_pta_execute): Likewise.
9382
9383         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
9384         field.
9385         (do_ds_constraint): Do not add to special var or non-pointer
9386         field solutions.
9387         (type_could_have_pointers): Split out from ...
9388         (could_have_pointers): ... here.  For arrays use the element type.
9389         (create_variable_info_for): Initialize may_have_pointers.
9390         (new_var_info): Likewise.
9391         (handle_lhs_call): Make the HEAP variable unknown-sized.
9392         (intra_create_variable_infos): Use a type with pointers for
9393         PARM_NOALIAS, make it unknown-sized.
9394
9395 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
9396
9397         PR target/39224
9398         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
9399
9400 2009-02-18  Jason Merrill  <jason@redhat.com>
9401
9402         PR target/39179
9403         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
9404         value if DECL_EXTERNAL.
9405         * tree-sra.c (sra_walk_gimple_assign): Likewise.
9406         * target.h (gcc_target::binds_local_p): Clarify "module".
9407         * tree.h (TREE_PUBLIC): Clarify "module".
9408
9409 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
9410
9411         PR target/38891
9412         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
9413         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
9414
9415 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
9416
9417         PR target/39082
9418         * c.opt (Wabi): Support C and ObjC.
9419         (Wpsabi): New.
9420
9421         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
9422
9423         * config/i386/i386.c (classify_argument): Warn once about the ABI
9424         change when passing union with long double.
9425
9426         * doc/invoke.texi: Update -Wabi for warning psABI changes.
9427
9428 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
9429
9430         PR c/35447
9431         * c-parser.c (c_parser_compound_statement): Always enter and leave
9432         a scope.
9433
9434 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9435
9436         PR target/34587
9437         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
9438
9439 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
9440
9441         PR tree-optimization/36922
9442         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
9443         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
9444         Likewise.
9445
9446 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9447
9448         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
9449         to 0 for EABI64.
9450
9451 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9452
9453         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
9454
9455 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9456
9457         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
9458         tree sharing.
9459
9460 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
9461             Richard Sandiford  <rdsandiford@googlemail.com>
9462
9463         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
9464         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
9465         (loongson_biadd): ...this.
9466
9467 2009-02-17  Richard Guenther  <rguenther@suse.de>
9468
9469         PR tree-optimization/39202
9470         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
9471         a var make sure to follow existing collapses.
9472
9473 2009-02-17  Richard Guenther  <rguenther@suse.de>
9474
9475         PR middle-end/39214
9476         * langhooks.c (lhd_print_error_function): Check for NULL block.
9477
9478 2009-02-17  Richard Guenther  <rguenther@suse.de>
9479
9480         PR tree-optimization/39204
9481         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
9482         of the PHI arg.
9483
9484 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
9485
9486         * config/soft-fp/double.h: Update from glibc CVS.
9487
9488 2009-02-17  Richard Guenther  <rguenther@suse.de>
9489
9490         PR tree-optimization/39207
9491         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
9492         strict-aliasing warnings for pointers pointing to NULL.
9493
9494 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
9495
9496         PR c/35446
9497         * c-parser.c (c_parser_braced_init): Call pop_init_level when
9498         skipping until next close brace.
9499
9500 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
9501
9502         PR target/37049
9503         * config/i386/i386.c (ix86_expand_push): Set memory alignment
9504         to function argument boundary.
9505
9506 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9507
9508         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
9509         in the lea_add. Reload eventually constraints it properly.
9510         * config/picochip/constraints.md: Remove the target constraint
9511         "b", since it is not needed anymore.
9512
9513 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
9514
9515         * gthr-dce.h: Uglify function parameter and local variable names.
9516         * gthr-gnat.h: Likewise.
9517         * gthr-mipssde.h: Likewise.
9518         * gthr-nks.h: Likewise.
9519         * gthr-posix95.h: Likewise.
9520         * gthr-posix.h: Likewise.
9521         * gthr-rtems.h: Likewise.
9522         * gthr-single.h: Likewise.
9523         * gthr-solaris.h: Likewise.
9524         * gthr-tpf.h: Likewise.
9525         * gthr-vxworks.h: Likewise.
9526         * gthr-win32.h: Likewise.
9527
9528 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
9529
9530         PR target/39196
9531         * config/i386/i386.md: Restrict the new peephole2 to move
9532         between MMX/SSE registers.
9533
9534 2009-02-15  Richard Guenther  <rguenther@suse.de>
9535
9536         Revert
9537         2009-02-13  Richard Guenther  <rguenther@suse.de>
9538
9539         * configure.ac: Enable LFS.
9540         * configure: Re-generate.
9541         * config.in: Likewise.
9542
9543 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9544
9545         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
9546         spu_srqwbyte, spu_srqwbytebc): Define.
9547         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
9548         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
9549         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
9550         "shrqby_<mode>"): New insn-and-split patterns.
9551         * config/spu/spu.c (expand_builtin_args): Determine and return
9552         number of operands using spu_builtin_description data.
9553         (spu_expand_builtin_1): Use it.
9554
9555 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
9556
9557         PR target/38056
9558         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
9559         TARGET_CONST_GP.
9560
9561 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9562
9563         PR target/39149
9564         * config/i386/i386.c (override_options): Correct warning
9565         messages for -malign-loops, -malign-jumps and -malign-functions.
9566
9567 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9568
9569         PR target/39152
9570         * config/i386/i386.md: Restrict the new peephole2 to move
9571         between the general purpose registers.
9572
9573 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9574
9575         PR target/39162
9576         * config/i386/i386.c (type_natural_mode): Add a new argument.
9577         Return the original mode and warn ABI change if vector size is 32byte.
9578         (function_arg_advance): Updated.
9579         (function_arg): Likewise.
9580         (ix86_function_value): Likewise.
9581         (ix86_return_in_memory): Likewise.
9582         (ix86_sol10_return_in_memory): Likewise.
9583         (ix86_gimplify_va_arg): Likewise.
9584         (function_arg_32): Don't warn ABX ABI change here.
9585         (function_arg_64): Likewise.
9586
9587 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
9588
9589         * loop-iv.c (implies_p): In the final case, test that operands 0
9590         of the two comparisons match.
9591
9592         * config/bfin/bfin.c (find_prev_insn_start): New function.
9593         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
9594         (find_next_insn_start): Move.
9595
9596 2009-02-13  Richard Guenther  <rguenther@suse.de>
9597
9598         * configure.ac: Enable LFS.
9599         * configure: Re-generate.
9600         * config.in: Likewise.
9601
9602 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
9603
9604         PR c/35444
9605         * c-parser.c (c_parser_parms_list_declarator): Discard pending
9606         sizes on syntax error after some arguments have been parsed.
9607
9608 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
9609
9610         * doc/invoke.texi (-fira): Remove.
9611
9612 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9613
9614         * caller-save.c: Replace regclass.c with reginfo.c in comments.
9615         * recog.c: Likewise.
9616         * rtl.h: Likewise.
9617
9618 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
9619
9620         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
9621         (umul_ppmm): Likewise.
9622         (count_leading_zeros): Likewise.
9623         (count_trailing_zeros): Likewise.
9624         (UMUL_TIME): Likewise.
9625
9626 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9627
9628         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
9629         soft-fp/t-softfp to tmake_file.
9630
9631         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
9632         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
9633         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
9634         IA64_BUILTIN_INFQ]: New.
9635         (ia64_init_builtins): Initialize __builtin_infq,
9636         __builtin_fabsq and __builtin_copysignq if not HPUX.
9637         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
9638         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
9639
9640         * config/ia64/lib1funcs.asm (__divtf3): Define only if
9641         SHARED is defined.
9642         (__fixtfti): Likewise.
9643         (__fixunstfti): Likewise.
9644         (__floattitf): Likewise.
9645
9646         * config/ia64/libgcc-glibc.ver: New.
9647         * config/ia64/t-fprules-softfp: Likewise.
9648         * config/ia64/sfp-machine.h: Likewise.
9649
9650         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
9651         (LIBGCC2_TF_CEXT): Likewise.
9652         (TF_SIZE): Likewise.
9653         (TARGET_INIT_LIBFUNCS): Likewise.
9654
9655         * config/ia64/t-glibc (SHLINB_MAPFILES):
9656         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
9657
9658 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9659
9660         * config/i386/i386.c (construct_container): Rewrite processing
9661         BLKmode with X86_64_SSE_CLASS.
9662
9663 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
9664
9665         PR target/39152
9666         * config/i386/i386.md: Replace simplify_replace_rtx with
9667         replace_rtx in the new peephole2.
9668
9669 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
9670
9671         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
9672         loop unrolling do not happen at -O2.
9673
9674 2009-02-12  Michael Matz  <matz@suse.de>
9675
9676         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
9677
9678 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
9679
9680         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
9681         for -g3.
9682
9683 2009-02-12  Ben Elliston  <bje@au.ibm.com>
9684
9685         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
9686         patterns when updating the back chain.  Missed in the 2009-02-10
9687         change.
9688
9689 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
9690
9691         * doc/extend.texi (Decimal Floating Types): Update identifier of
9692         draft TR and list of missing support.
9693
9694 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
9695
9696         PR middle-end/39154
9697         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
9698         bit to variable length decl's flags, add it also to its
9699         pointer replacement variable.
9700
9701 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
9702             Jakub Jelinek  <jakub@redhat.com>
9703
9704         PR target/39118
9705         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
9706         (memory_blockage): New expander.
9707         (*memory_blockage): New insn pattern.
9708         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
9709         instead of general blockage at the end of function prologue when
9710         frame pointer is used to access red zone area.  Do not emit blockage
9711         when profiling, it is emitted in generic code.
9712         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
9713         function epilogue when frame pointer is used to access red zone area.
9714
9715 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
9716
9717         PR target/38824
9718         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
9719         by arithmetic with memory operands.
9720         * config/i386/predicates.md (commutative_operator): New.
9721
9722 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
9723
9724         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
9725         bulleted lists.
9726
9727 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
9728
9729         * alias.h (record_alias_subset): Declare.
9730         * alias.c (record_alias_subset): Make global.
9731
9732 2009-02-10  Nick Clifton  <nickc@redhat.com>
9733
9734         * tree-parloops.c: Change license to GPLv3.
9735         * ipa-struct-reorg.c: Change license to GPLv3.
9736         * ipa-struct-reorg.h: Change license to GPLv3.
9737
9738 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
9739
9740         PR c/39084
9741         * c-decl.c (start_struct): Return NULL on error.
9742
9743 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
9744
9745         PR middle-end/39124
9746         * cfgloopmanip.c (remove_path): Call remove_bbs after
9747         cancel_loop_tree, not before it.
9748
9749         PR target/39139
9750         * function.h (struct function): Add has_local_explicit_reg_vars bit.
9751         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
9752         VAR_DECLs were seen.
9753         * tree-ssa-live.c (remove_unused_locals): Recompute
9754         cfun->has_local_explicit_reg_vars.
9755         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
9756         copies or clearings if cfun->has_local_explicit_reg_vars.
9757
9758 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
9759
9760         PR target/39118
9761         * config/i386/i386.c (expand_prologue): Emit blockage at the end
9762         of function prologue when frame pointer is used to access
9763         red zone area.
9764
9765 2009-02-10  Richard Guenther  <rguenther@suse.de>
9766
9767         PR middle-end/39127
9768         * gimplify.c (gimple_regimplify_operands): Always look if
9769         we need to create a temporary.
9770
9771 2009-02-10  Richard Guenther  <rguenther@suse.de>
9772
9773         PR tree-optimization/39132
9774         * tree-loop-distribution.c (todo): New global var.
9775         (generate_memset_zero): Trigger TODO_rebuild_alias.
9776         (tree_loop_distribution): Return todo.
9777
9778 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
9779
9780         PR target/39119
9781         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
9782         (x86_64_reg_class_name): Removed.
9783         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
9784         first one isn't X86_64_SSE_CLASS or any other ones aren't
9785         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
9786         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
9787         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
9788         and 3 X86_64_SSEUP_CLASS.
9789         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
9790         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
9791
9792 2009-02-10  Ben Elliston  <bje@au.ibm.com>
9793
9794         * config/rs6000/rs6000.md (allocate_stack): Always use an update
9795         form instruction to update the stack back chain word, even if the
9796         user has disabled the generation of update instructions.
9797         (movdi_<mode>_update_stack): New.
9798         (movsi_update_stack): Likewise.
9799         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
9800         always use an update form instruction to update the stack back
9801         chain word.
9802
9803 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
9804
9805         PR middle-end/38953
9806         * graphite.c (if_region_set_false_region): After moving a region in
9807         the false branch of a condition, remove the empty dummy basic block.
9808         (gloog): Remove wrong fix for PR38953.
9809
9810 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9811
9812         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
9813         generation due to implicit sign extension.
9814
9815 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
9816
9817         PR middle-end/38981
9818         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
9819         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
9820
9821 2009-02-09  Richard Guenther  <rguenther@suse.de>
9822
9823         PR middle-end/35202
9824         * convert.c (convert_to_real): Disable (float)fn((double)x)
9825         to fnf(x) conversion if errno differences may occur and
9826         -fmath-errno is set.
9827
9828 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
9829
9830         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
9831         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9832         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9833
9834 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9835
9836         PR c/35434
9837         * c-common.c (handle_alias_attribute): Disallow attribute for
9838         anything not a FUNCTION_DECL or VAR_DECL.
9839
9840 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
9841
9842         PR c/39035
9843         * real.c (do_compare): Special-case compare of zero against
9844         decimal float value.
9845
9846 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9847
9848         PR c/36432
9849         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
9850         as indicating flexible array members unless the field itself is
9851         being declarared as the incomplete array.
9852
9853 2009-02-06  Jan Hubicka  <jh@suse.cz>
9854
9855         PR tree-optimization/38844
9856         * ipa-inline.c (try_inline): Stop inlining recursion when edge
9857         is already inlined.
9858
9859 2009-02-06  Richard Guenther  <rguenther@suse.de>
9860
9861         PR middle-end/38977
9862         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
9863         fork because we may expand it as __gcov_fork.
9864
9865 2009-02-06  Nick Clifton  <nickc@redhat.com>
9866
9867         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
9868
9869 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
9870
9871         PR tree-optimization/35659
9872         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
9873         vn_phi_eq): Shortcut if hashcode does not match.
9874         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
9875         NULL operands.
9876         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
9877         and avoid iterative_hash_expr.
9878         (FOR_EACH_VALUE_ID_IN_SET): New.
9879         (value_id_compare): Remove.
9880         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
9881         sort expressions by value id.
9882
9883 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
9884
9885         PR target/38991
9886         * config/sh/predicates.md (general_movsrc_operand): Don't check
9887         the subreg of system registers here.
9888
9889 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
9890
9891         PR c++/39106
9892         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
9893         on the copied decl.
9894
9895 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
9896
9897         PR rtl-optimization/39110
9898         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
9899         addresses, not aligned ones.
9900
9901 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
9902             Richard Guenther  <rguenther@suse.de>
9903
9904         PR tree-optimization/39100
9905         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
9906         comment says and add edges.
9907
9908 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
9909
9910         PR c/35435
9911         * c-common.c (handle_tls_model_attribute): Ignore attribute for
9912         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
9913
9914 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
9915
9916         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
9917         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
9918         register_bb_in_sese, new_sese, free_sese): Moved.
9919         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
9920         outermost_loop_in_scop, build_scop_iteration_domain,
9921         expand_scalar_variables_ssa_name, get_vdef_before_scop,
9922         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
9923         Use loop_in_sese_p instead of loop_in_scop_p.
9924         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
9925         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
9926         (scopdet_basic_block_info): Fix bug in scop detection.
9927         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
9928         eq_loop_to_cloog_loop): Remove.
9929         (nb_loops_around_loop_in_scop, nb_loop
9930         ref_nb_loops): Moved here...
9931         * graphite.h (ref_nb_loops): ... from here.
9932         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
9933         (loop_domain_dim, loop_iteration_vector_dim): Remove.
9934         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
9935         * testsuite/gcc.dg/graphite/scop-19.c: New
9936
9937 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
9938             Hans-Peter Nilsson  <hp@axis.com>
9939
9940         PR rtl-optimization/37889
9941         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
9942         Move offset handling from PLUS to before the switch.  Use new
9943         arguments when considering SYMBOL_REFs too.
9944         (rtx_addr_can_trap_p): Pass dummy offset and size.
9945         (enum may_trap_p_flags): Remove.
9946         (may_trap_p_1): Pass size from MEM_SIZE.
9947
9948         PR rtl-optimization/38921
9949         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
9950         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
9951         * rtlanal.c (may_trap_after_code_motion_p): Delete.
9952         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
9953
9954 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
9955
9956         AVX Programming Reference (January, 2009)
9957         * config/i386/sse.md (*vpclmulqdq): New.
9958
9959 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
9960
9961         PR tree-optimization/38977
9962         PR gcov-profile/38292
9963         * calls.c (special_function_p): Disregard __builtin_ prefix.
9964
9965 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
9966
9967         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
9968         non-indexable addresses even before reload.
9969
9970 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
9971
9972         PR c/29129
9973         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
9974         as having variable size.  Do not give an error for unnamed
9975         parameters with [*] declarators.  Give a warning for type names
9976         with [*] declarators and mark them as variable size.
9977         * c-parser.c (c_parser_sizeof_expression): Do not give an error
9978         for sizeof applied to [*] type names.
9979
9980 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9981
9982         PR C++/36607
9983         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
9984
9985 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
9986
9987         * gcc.c (process_command): Update copyright notice dates.
9988         * gcov.c (print_version): Likewise.
9989         * gcov-dump.c (print_version): Likewise.
9990         * mips-tfile.c (main): Likewise.
9991         * mips-tdump.c (main): Likewise.
9992
9993 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
9994
9995         PR c/35433
9996         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
9997         for composite type involving a zero-length array type.
9998
9999 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10000
10001         PR target/35318
10002         * function.c (match_asm_constraints_1): Skip over
10003         initial optional % in the constraint.
10004
10005         PR inline-asm/39059
10006         * c-parser.c (c_parser_postfix_expression): If fixed point is not
10007         supported, don't accept FIXED_CSTs.
10008         * c-decl.c (finish_declspecs): Error if fixed point is not supported
10009         and _Sat is used without _Fract/_Accum.  Set specs->type to
10010         integer_type_node for cts_fract/cts_accum if fixed point is not
10011         supported.
10012
10013 2009-02-02  Catherine Moore  <clm@codesourcery.com>
10014
10015         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
10016
10017 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
10018
10019         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
10020         (ABI_HAS_64BIT_SYMBOLS): Use it.
10021         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
10022
10023 2009-02-02  Paul Brook  <paul@codesourcery.com>
10024
10025         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
10026
10027 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
10028
10029         PR inline-asm/39058
10030         * recog.h (asm_operand_ok): Add constraints argument.
10031         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
10032         recurse on matching constraint.
10033         (check_asm_operands): Pass constraints as 3rd argument to
10034         asm_operand_ok.  Don't look up matching constraint here.
10035         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
10036         to asm_operand_ok.
10037
10038 2009-02-02  Ben Elliston  <bje@au.ibm.com>
10039
10040         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
10041         TARGET_NARROW_VOLATILE_BITFIELD macro names.
10042
10043 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10044
10045         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
10046         information.  Remove some obsolete information.  Reorganize.
10047
10048         * config/pa/fptr.c: Revert license to GPL 2.
10049         * config/pa/milli64.S: Likewise.
10050
10051 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10052
10053         PR target/38904
10054         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
10055         LIBRARY name in, instead of hard-coding it.
10056         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
10057         extra target make frag to tmake_files according to EH model.
10058         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
10059         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
10060         frags that define makefile variable EH_MODEL appropriately.
10061         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
10062         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
10063         to "-sjlj" according to type of EH configured.
10064         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10065         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
10066         to "_sjlj" according to type of EH configured.
10067         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10068         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
10069         (SHLIB_LINK):  Add missing semicolon to if-else construct.
10070         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10071         string value of "pe_dll" command-line option.
10072         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
10073         (SHLIB_SONAME):  Use it when overriding t-cygming default.
10074         (SHLIB_IMPLIB):  Override t-cygming default.
10075         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10076         string value of "pe_dll" command-line option.
10077
10078 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10079
10080         PR target/38952
10081         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
10082         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
10083
10084 2009-01-31  Richard Guenther  <rguenther@suse.de>
10085
10086         PR tree-optimization/38937
10087         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
10088         computing the transitive closure.
10089
10090 2009-01-30  Richard Guenther  <rguenther@suse.de>
10091
10092         PR tree-optimization/39041
10093         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10094         Propagate variable indices only if the types match for this stmt.
10095
10096 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
10097
10098         PR target/39013
10099         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
10100         inline but never defined.
10101
10102 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
10103
10104         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
10105         (*insv_h_di_reg_extimm): New insn.
10106         (*insv_l<mode>_reg_extimm): New insn.
10107
10108 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10109
10110         * config/picochip/picochip.c (flag_conserve_stack): set
10111         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
10112         fconserve-stack. Reduce call-overhead used by inliner.
10113
10114 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10115
10116         PR/38157
10117         * common.opt (flag_conserve_stack): Initialised to zero.
10118
10119 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
10120
10121         PR/39002
10122         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
10123         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
10124         method.
10125
10126 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10127
10128         * ira-color.c (allocno_reload_assign): Update comments.
10129         * regmove.c (regmove_optimize): Likewise.
10130
10131         * ra.h: Removed.
10132
10133 2009-01-29  Robert Millan  <rmh@aybabtu.com>
10134
10135         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
10136         * config/i386/kopensolaris-gnu.h: New file.  Undefine
10137         `MD_UNWIND_SUPPORT'.
10138         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
10139
10140 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
10141
10142         PR tree-optimization/39007
10143         * tree-loop-distribution.c (generate_builtin): Use
10144         recompute_dominator to compute the immediate dominator of the
10145         basic block just after the loop.
10146
10147 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10148
10149         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
10150         (ASM_OUTPUT_DWARF_PCREL): Define.
10151
10152 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10153
10154         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
10155         * doc/passes.texi: Remove entries about regclass, local-alloc, and
10156         global.  Modify entries about regmove and IRA.
10157
10158         * ra-conflict.c: Remove the file.
10159
10160         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
10161
10162         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
10163         (pass_regclass_init): Rename to pass_reginfo_init.
10164
10165         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
10166
10167         * toplev.h (flag_ira): Remove.
10168
10169         * caller-save.c (setup_save_areas): Remove flag_ira.
10170
10171         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
10172
10173         * global.c: Remove the file.
10174
10175         * opts.c (decode_options): Remove flag_ira.
10176
10177         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
10178
10179         * regmove.c: Modify file description.
10180         (find_use_as_address, try_auto_increment): Define them only if
10181         AUTO_INC_DEC is defined.
10182         (replacement_quality, replace_in_call_usage, fixup_match_1,
10183         stable_and_no_regs_but_for_p): Remove.
10184         (reg_set_in_bb): Make it static.
10185         (regmove_optimize): Remove flag_ira and code which worked for
10186         !flag_ira.
10187
10188         * local-alloc.c: Remove the file.
10189
10190         * common.opt (fira): Remove.
10191
10192         * ira.c: Include except.h.
10193         (eliminable_regset): Move from global.c.
10194         (mark_elimination): Ditto.  Remove flag_ira.
10195         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
10196         equiv_mem_modified, validate_equiv_mem_from_store,
10197         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
10198         contains_replace_regs, memref_referenced_p, memref_used_between_p,
10199         no_equiv, recorded_label_ref): Move from local-alloc.c.
10200         (update_equiv_regs): Ditto.  Make it static.
10201         (print_insn_chain, print_insn_chains): Move it from global.c.
10202         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
10203         (build_insn_chain): Ditto.  Make it static.
10204         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
10205         Rename to init_live_subregs.
10206         (gate_ira): Remove flag_ira.
10207
10208         * regclass.c: Rename reginfo.c.  Change file description.
10209         (FORBIDDEN_INC_DEC_CLASSES): Remove.
10210         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
10211         (init_reg_sets_1): Remove code for evaluation of
10212         reg_class_superclasses and losing_caller_save_reg_set.
10213         (init_regs): Remove init_reg_autoinc.
10214         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
10215         ok_for_base_p_nonstrict): Remove.
10216         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
10217         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
10218         corresponding entries.
10219         (dump_regclass, record_operand_costs, scan_one_insn,
10220         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
10221         record_address_regs, auto_inc_dec_reg_p): Remove.
10222         (gt-regclass.h): Rename to gt-reginfo.h.
10223
10224         * rtl.h (dump_global_regs, retry_global_alloc,
10225         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
10226
10227         * Makefile.in (RA_H): Remove.
10228         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
10229         Rename regclass.o to reginfo.o.
10230         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
10231         gt-reginfo.h.
10232         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
10233         (GTFILES): Rename regclass.c to reginfo.c.
10234
10235         * passes.c (init_optimization_passes): Remove pass_local_alloc and
10236         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
10237
10238         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10239         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
10240         Remove flag_ira.
10241         (finish_spills): Ditto.  Remove code for !flag_ira.
10242
10243 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
10244
10245         PR middle-end/35854
10246         * doc/invoke.texi (rtl debug options): Complete rewrite.
10247         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
10248         to auto_inc_dec".
10249         * mode-switching.c (pass_mode_switching): Rename pass from
10250         "mode-sw" to "mode_sw".
10251         * except.c (pass_convert_to_eh_ranges): Rename pass from
10252         "eh-ranges" to "eh_ranges".
10253         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
10254         to "subreg1".
10255
10256
10257 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
10258             Alexander Monakov  <amonakov@ispras.ru>
10259
10260         PR middle-end/38857
10261         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
10262         register.
10263         (move_exprs_to_boundary): Change return type and pass through
10264         should_move from move_op.  Relax assert.  Update usage ...
10265         (schedule_expr_on_boundary): ... here.  Use should_move instead of
10266         cant_move.
10267         (move_op_orig_expr_found): Indicate that insn was disconnected from
10268         stream.
10269         (code_motion_process_successors): Do not call after_merge_succs
10270         callback if original expression was not found when traversing any of
10271         the branches.
10272         (code_motion_path_driver): Change return type.  Update prototype.
10273         (move_op): Update comment.  Add a new parameter (should_move).  Update
10274         prototype.  Set *should_move based on indication provided by
10275         move_op_orig_expr_found.
10276
10277 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10278
10279         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
10280         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
10281         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
10282         * config/rs6000/rs6000.c (rs6000_override_options): Default
10283         avoid-indexed-addresses on for Power6, off for everything else.
10284         (avoiding_indexed_address_p): New function.
10285         (rs6000_legitimize_address): Use it.
10286         (rs6000_legitimate_address): Likewise.
10287         * config/rs6000/rs6000.md (movXX_updateX): Likewise
10288
10289 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
10290
10291         PR tree-optimization/38997
10292         * tree-loop-distribution.c (generate_memset_zero): Use
10293         POINTER_PLUS_EXPR for a pointer addition.
10294
10295 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10296
10297         * config/s390/s390.md (bswap<mode>2): New pattern added.
10298
10299 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10300
10301         * config/s390/s390.md (*tls_load_31): Added type attribute.
10302
10303 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10304
10305         * config/s390/s390.md: Fix a few comments.
10306
10307 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10308
10309         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
10310         (*tm<mode>_full): Fixed z10prop attribute.
10311         (*tst<mode>_extimm): Fixed z10prop attribute.
10312         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
10313         (*tstqiCCT_cconly): Fixed z10prop attribute.
10314         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
10315         (*movsi_larl): Fixed z10prop attribute.
10316         (*movsi_zarch): Fixed z10prop attribute.
10317         (*movsi_eas): Fixed z10prop attribute.
10318         (*movhi): Fixed z10prop attribute.
10319         (*movqi): Fixed z10prop attribute.
10320         (*movstrictqi): Fixed z10prop attribute.
10321         (*mov<mode>): Fixed z10prop attribute.
10322         (*movcc): Fixed z10prop attribute.
10323         (*sethighpartdi_64): Fixed z10prop attribute.
10324         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
10325         (*negdi2_sign_cc): Fixed z10prop attribute.
10326         (*negdi2_sign): Fixed z10prop attribute.
10327         (*absdi2_sign_cc): Fixed z10prop attribute.
10328         (*absdi2_sign): Fixed z10prop attribute.
10329         (*negabsdi2_sign_cc): Fixed z10prop attribute.
10330         (*negabsdi2_sign): Fixed z10prop attribute.
10331         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
10332         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
10333         (doloop_si64): Fixed z10prop attribute.
10334         (doloop_si31): Fixed z10prop attribute.
10335         (doloop_long): Fixed z10prop attribute.
10336         (indirect_jump): Fixed z10prop attribute.
10337         (nop): Fixed z10prop attribute.
10338         (main_base_64): Fixed z10prop attribute.
10339         (reload_base_64): Fixed z10prop attribute.
10340
10341 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10342
10343         PR rtl-optimization/38740
10344         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
10345         if !optimize.
10346         * config/mips/mips.c (mips_reorg): Likewise.
10347
10348 2009-01-28  Richard Guenther  <rguenther@suse.de>
10349
10350         PR tree-optimization/38926
10351         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
10352         with the correct value id to a value.
10353         (do_regular_insertion): Use the value number of edoubleprime
10354         for the value number of the expr.
10355
10356         Revert
10357         2008-08-21  Richard Guenther  <rguenther@suse.de>
10358
10359         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
10360         a PHI ask VN if it is already available.
10361         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
10362         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
10363
10364 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10365
10366         PR middle-end/38934
10367         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
10368         set to varying whenever max has TREE_OVERFLOW set, similarly
10369         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
10370
10371 2009-01-28  Richard Guenther  <rguenther@suse.de>
10372
10373         PR middle-end/38908
10374         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
10375         uninitialized aggregate uses in call arguments.
10376
10377 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
10378
10379         PR tree-optimization/38984
10380         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
10381         the nothing_id variable if -fno-delete-null-pointer-checks.
10382
10383 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
10384
10385         PR target/38988
10386         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
10387         (set_got_offset_rex64): Ditto.
10388
10389 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
10390
10391         PR target/38941
10392         * doc/extend.texi: Improve local variable with asm reg.
10393
10394 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
10395
10396         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
10397         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
10398         was not supplied then set warn_packed_bitfield_compat to the
10399         default value of 1.
10400         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
10401         against 1.
10402
10403 2009-01-27  Richard Guenther  <rguenther@suse.de>
10404
10405         PR tree-optimization/38503
10406         * cfgexpand.c (expand_gimple_basic_block): Ignore
10407         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
10408         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
10409         variables that cannot have TBAA applied.
10410         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
10411         statements.
10412
10413 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
10414
10415         PR middle-end/38969
10416         * calls.c (initialize_argument_information): Do not wrap complex
10417         arguments in SAVE_EXPR.
10418
10419 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
10420
10421         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
10422         (INSTALL_LIBGCC): Revert typo commit.
10423
10424 2009-01-26  Richard Guenther  <rguenther@suse.de>
10425
10426         PR tree-optimization/38745
10427         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
10428         from special handling.
10429
10430 2009-01-26  Richard Guenther  <rguenther@suse.de>
10431
10432         PR tree-optimization/38745
10433         * tree-ssa.c (execute_update_addresses_taken): Do not include
10434         variables that cannot possibly be a register in not_reg_needs.
10435         Do not clear TREE_ADDRESSABLE on vars that may not become
10436         registers.
10437         * tree-ssa.c (update_alias_info_1): Include those in the set
10438         of addressable vars.
10439
10440 2009-01-26  Richard Guenther  <rguenther@suse.de>
10441
10442         PR middle-end/38851
10443         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
10444         * tree-ssa-dse.c: Include langhooks.h
10445         (execute_simple_dse): Remove stores with zero size.
10446
10447 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
10448
10449         PR c/38957
10450         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
10451         as PLUS_EXPR.
10452
10453 2009-01-24  Julian Brown  <julian@codesourcery.com>
10454
10455         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
10456         config/arm/linux-atomic.c.
10457         * config/arm/linux-atomic.c: New.
10458
10459 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
10460
10461         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
10462         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
10463         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
10464
10465 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
10466
10467         PR c/38938
10468         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
10469         properly.
10470
10471 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
10472
10473         PR tree-optimization/38953
10474         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
10475         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
10476         (gloog): Split the exit of the scop when the scop exit is a loop exit.
10477         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
10478         changed the CFG.
10479
10480 2009-01-24  Paul Brook  <paul@codesourcery.com>
10481
10482         * config/arm/neon.md (neon_type): Move to arm.md.
10483         (neon_mov<VSTRUCT>): Add neon_type attribute.
10484         * config/arm/arm.md (neon_type): Move to here.
10485         (conds): Add "unconditioal" and use as default for NEON insns.
10486
10487 2009-01-24  Ben Elliston  <bje@au.ibm.com>
10488
10489         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
10490         void *' warning from -Wc++-compat.
10491         * Makefile.in (dominance.o-warn): Remove.
10492
10493 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
10494
10495         PR tree-optimization/38932
10496         * fold-const.c (fold_unary_ignore_overflow): New.
10497         * tree.h (fold_unary_ignore_overflow): Declare.
10498         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
10499         * tree-ssa-sccvn.c (visit_reference_op_load,
10500         simplify_unary_expression): Likewise.
10501
10502 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
10503
10504         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
10505         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
10506         regardless of their type.
10507         * c-common.c (handle_packed_attribute): Don't ignore packed on
10508         bitfields.
10509         * c.opt (Wpacked-bitfield-compat): New warning option.
10510         * stor-layout.c (place_field): Warn if offset of a field changed.
10511         * doc/extend.texi (packed): Mention the ABI change.
10512         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
10513         (Warning Options): Add it to the list.
10514
10515 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
10516
10517         * c-opts.c (c_common_post_options): Fix a typo in comments.
10518
10519 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
10520
10521         PR middle-end/38615
10522         * gimplify.c (gimplify_init_constructor): Fix promotion of const
10523         variables to static.
10524         * doc/invoke.texi (-fmerge-all-constants): Update description.
10525
10526 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
10527
10528         PR target/38931
10529         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
10530         (*movdi_1_rex64): Use type "mmx" for alternative 5.
10531
10532 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
10533
10534         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
10535         a word boundary.
10536         (LOCAL_ALIGNMENT): Similarly.
10537
10538 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
10539             Joseph Myers  <joseph@codesourcery.com>
10540
10541         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
10542         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
10543         * config/arm/arm-tune.md: Regenerate.
10544         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
10545         -march=iwmmxt2.
10546
10547 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
10548
10549         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
10550         version number to five.
10551
10552 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
10553
10554         PR c++/38930
10555         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
10556         * c-common.c (set_underlying_type): Likewise.
10557         (is_typedef_decl ): Likewise
10558         * tree.h: Likewise
10559         (set_underlying_type): Likewise.
10560         (is_typedef_type): Likewise.
10561
10562 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
10563
10564         PR middle-end/38587
10565         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
10566         crossing setjmps.
10567
10568 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
10569
10570         PR bootstrap/37660
10571         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
10572         (LIBGCC_SPEC):  Don't define.
10573         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
10574
10575 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
10576
10577         PR rtl-optimization/38879
10578         * alias.c (base_alias_check): Unaligned access via AND address can
10579         alias all surrounding object types except those with sizes equal
10580         or wider than the size of unaligned access.
10581
10582 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
10583
10584         PR c++/26693
10585         * c-decl.c (clone_underlying_type): Move this ...
10586         * c-common.c (set_underlying_type): ... here.
10587         Also, make sure the function properly sets TYPE_STUB_DECL() on
10588         the newly created typedef variant type.
10589         (is_typedef_decl ): New entry point.
10590         * tree.h: Added a new member member_types_needing_access_check to
10591         struct tree_decl_non_common.
10592         (set_underlying_type): New entry point.
10593         (is_typedef_type): Likewise.
10594
10595 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
10596
10597         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
10598         Check whether two instructions have memory references that
10599         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
10600         are helper functions for traversing.
10601         * alias.h (insn_alias_sets_confilict_p): New prototypes.
10602         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
10603         not to draw dependency edge for instructions with non-conflicting
10604         alias sets.
10605
10606 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
10607
10608         PR other/38758
10609         * longlong.h: Update copyright years.  Use soft-fp license notice.
10610         Sync __clz_tab declaration with glibc.
10611
10612 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
10613
10614         PR target/30687
10615         * doc/extend.texi (syscall_linkage): New.
10616         (version_id): Modify.
10617
10618 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10619             Richard Guenther  <rguenther@suse.de>
10620
10621         PR tree-optimization/38747
10622         PR tree-optimization/38748
10623         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
10624         conversion if the base address is an indirect reference and the
10625         aliasing sets could cause issues.
10626
10627 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
10628
10629         * common.opt (fgraphite, fgraphite-identity): Add comment for
10630         explaining why these options are not documented.
10631
10632 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
10633
10634         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
10635         gimple_call_lhs is NULL.
10636
10637 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
10638
10639         PR target/38868
10640         * emit-rtl.c (adjust_address_1): Make sure memref is never
10641         overwritten.
10642
10643 2009-01-20  Ben Elliston  <bje@au.ibm.com>
10644
10645         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
10646         const qualifier from arg parameter. Remove unnecessary cast to char *.
10647         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
10648         const qualifier from arg 2.
10649
10650 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
10651
10652         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
10653
10654 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
10655
10656         PR c/38869
10657         * rtl.h (reinit_regs): New prototype.
10658         * regclass.c: Include ira.h.
10659         (reinit_regs): New.
10660         * Makefile.in (regclass.o): Add ira.h.
10661         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
10662
10663 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
10664
10665         PR target/38736
10666         * c-common.c (handle_aligned_attribute): Use
10667         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
10668         default alignment value.
10669
10670         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
10671
10672         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
10673         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
10674
10675         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
10676         __BIGGEST_ALIGNMENT__.
10677
10678         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
10679
10680 2009-01-18  Richard Guenther  <rguenther@suse.de>
10681
10682         PR tree-optimization/38819
10683         * tree-flow.h (operation_could_trap_helper_p): Declare.
10684         * tree-eh.c (operation_could_trap_helper_p): Export.
10685         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
10686         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
10687         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
10688         are about to insert a possibly trapping instruction and fail
10689         in this case.
10690
10691 2009-01-18  Andreas Schwab  <schwab@suse.de>
10692
10693         * doc/install.texi (Configuration): Remove obsolete paragraph
10694         about use of --with-gnu-ld with --with-gnu-as.
10695
10696 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
10697
10698         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
10699         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
10700         Follow spelling conventions.
10701
10702 2009-01-18  Ben Elliston  <bje@au.ibm.com>
10703
10704         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
10705         C++ warning about implicit conversion from void * to struct
10706         bitmap_head_def *.
10707         (bitmap_obstack_free): Likewise for bitmap_element *.
10708         * Makefile.in (bitmap.o-warn): Remove.
10709
10710 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
10711
10712         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
10713
10714 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
10715             Tobias Grosser  <tobi.grosser@amd.com>
10716
10717         * graphite.c (graphite_trans_scop_block): Do not block single
10718         nested loops.
10719
10720 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
10721
10722         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
10723         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
10724         test with assertion.
10725
10726 2009-01-16  Richard Guenther  <rguenther@suse.de>
10727
10728         PR tree-optimization/38835
10729         PR middle-end/36227
10730         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
10731         and INT + PTR -> (INT)(PTR p+ INT) folding.
10732         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
10733
10734 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
10735
10736         PR target/38554
10737         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
10738         the subreg from a lowpart subreg if it is also casting the value.
10739
10740 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10741             Tobias Grosser  <tobi.grosser@amd.com>
10742
10743         * graphite.c (compare_prefix_loops): New.
10744         (build_scop_canonical_schedules): Rewritten.
10745         (graphite_transform_loops): Move build_scop_canonical_schedules
10746         after build_scop_iteration_domain.
10747
10748 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10749             Tobias Grosser  <tobi.grosser@amd.com>
10750
10751         * graphite.c (add_conditions_to_domain): Add the loops to
10752         the dimension of the iteration domain.  Do copy the domain
10753         only when it exists.
10754         (build_scop_conditions_1): Do not call add_conditions_to_domain.
10755         (add_conditions_to_constraints): New.
10756         (can_generate_code_stmt, can_generate_code): Removed.
10757         (gloog): Do not call can_generate_code.
10758         (graphite_transform_loops): Call add_conditions_to_constraints
10759         after building the iteration domain.
10760
10761 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
10762
10763         PR tree-optimization/38789
10764         * tree-ssa-threadedge.c
10765         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
10766         __builtin_constant_p.
10767
10768 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
10769
10770         * dce.c (delete_unmarked_insns): Reversed the order that insns are
10771         examined before deleting them.
10772
10773 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
10774
10775         * function.c (aggregate_value_p): Correctly extract the function
10776         type from CALL_EXPR_FN lookup.
10777
10778 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10779
10780         * config/picochip/picochip.c (picochip_override_options): Revert
10781         CFI asm flag disable commited previously.
10782
10783 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
10784             Tobias Grosser  <tobi.grosser@amd.com>
10785             Jan Sjodin  <jan.sjodin@amd.com>
10786
10787         * graphite.c (scan_tree_for_params): On substractions negate
10788         all the coefficients of the term.
10789         (clast_to_gcc_expression_red): New.  Handle reduction expressions
10790         of more than two operands.
10791         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
10792         (get_vdef_before_scop): Handle also the case of default definitions.
10793
10794 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
10795
10796         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
10797         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
10798         Also use them when walking CALL_INSN_FUNCTION_USAGE.
10799
10800 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
10801             Joey Ye  <joey.ye@intel.com>
10802
10803         PR middle-end/37843
10804         * cfgexpand.c (expand_stack_alignment): Don't update stack
10805         boundary nor check incoming stack boundary here.
10806         (gimple_expand_cfg): Update stack boundary and check incoming
10807         stack boundary here.
10808
10809 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
10810
10811         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
10812
10813 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
10814
10815         PR rtl-optimization/38245
10816         * calls.c (expand_call): Add stack arguments to
10817         CALL_INSN_FUNCTION_USAGE even for pure calls (when
10818         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
10819         in regs and partially in memory or BLKmode arguments.
10820         (emit_library_call_value_1): Add stack arguments to
10821         CALL_INSN_FUNCTION_USAGE even for pure calls (when
10822         ACCUMULATE_OUTGOING_ARGS).
10823         * dce.c: Include tm_p.h.
10824         (find_call_stack_args): New function.
10825         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
10826         argument.
10827         (mark_insn): Call find_call_stack_args for CALL_Ps.
10828         (prescan_insns_for_dce): Walk insns backwards in bb rather than
10829         forwards.  Allocate and free arg_stores bitmap if needed, pass it
10830         down to deletable_insn_p, don't mark stores set in arg_stores
10831         bitmap, clear the bitmap at the beginning of each bb.
10832         * Makefile.in (dce.o): Depend on $(TM_P_H).
10833
10834 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
10835
10836         PR target/22599
10837         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
10838         to make sure the insn is a conditional test (bug 22599).  Reformat a
10839         few long lines.
10840
10841 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
10842
10843         PR middle-end/38431
10844         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
10845         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
10846         (gloog): Do not call cleanup_tree_cfg.
10847         (graphite_transform_loops): Call cleanup_tree_cfg after all
10848         scops have been code generated.
10849
10850 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
10851         * doc/gty.texi (Invoking the garbage collector): Added new node
10852         and section documenting ggc_collect.
10853
10854 2009-01-14  Richard Guenther  <rguenther@suse.de>
10855
10856         PR tree-optimization/38826
10857         PR middle-end/38477
10858         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
10859         initialization notes only if we actually emitted a warning.
10860         (intra_create_variable_infos): Add constraints for a result decl
10861         that is passed by hidden reference.
10862         (build_pred_graph): Mark all related variables non-direct on
10863         address-taking.
10864
10865 2009-01-14  Nick Clifton  <nickc@redhat.com>
10866
10867         * ira-conflicts.c: Include addresses.h for the definition of
10868         base_reg_class.
10869         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
10870         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
10871
10872 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
10873
10874         PR target/38811
10875         * Makefile.in (ira-lives.o): Add except.h.
10876
10877         * ira-lives.c: Include except.h.
10878         (process_bb_node_lives): Process can_throw_internal.
10879
10880 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
10881
10882         PR rtl-optimization/38774
10883         * combine.c (simplify_set): When undoing cc_use change, don't do
10884         PUT_CODE on the newly created comparison, but instead put back the
10885         old comparison.
10886
10887 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
10888
10889         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
10890         values.  Remove duplicate arm8 entry.
10891
10892 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10893
10894         PR tree-optimization/38786
10895         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
10896         the SSA_NAME case of expand_scalar_variables_expr.
10897         Set the type of an expression to the type of its assign statement.
10898         (expand_scalar_variables_expr): Also gather the scalar computation
10899         used to index the memory access.  Do not pass loop_p.
10900         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
10901         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
10902         the gimple_stmt_iterator where it inserts new code.
10903         Do not pass loop_p.
10904         (copy_bb_and_scalar_dependences): Do not pass loop_p.
10905         (translate_clast): Update call to copy_bb_and_scalar_dependences.
10906
10907 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10908
10909         * graphite.h (debug_value): Removed.
10910         * graphite.c (debug_value): Removed.
10911
10912 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10913
10914         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
10915         ldrd/strd with two 32-bit instructions.
10916
10917 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10918
10919         * config/arm/arm.c (struct processors): Pass for speed down into
10920         cost helper functions.
10921         (const_ok_for_op): Handle COMPARE and inequality nodes.
10922         (arm_rtx_costs_1): Rewrite.
10923         (arm_size_rtx_costs): Update prototype.
10924         (arm_rtx_costs): Pass speed down to helper functions.
10925         (arm_slowmul_rtx_costs): Rework cost calculations.
10926         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
10927         (arm_9e_rtx_costs): Likewise.
10928
10929 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
10930
10931         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
10932         relocations of local symbols wider than UNITS_PER_WORD are not valid.
10933         (alpha_legitimize_address): Do not split local symbols wider than
10934         UNITS_PER_WORD into HIGH/LO_SUM parts.
10935
10936 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
10937
10938         PR bootstrap/38580
10939         * gcc.c (process_command): Replace call to execvp with calls
10940         to pex_one and exit.
10941
10942 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
10943
10944         PR target/29141
10945         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
10946         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
10947         variant for devices with 3-byte PC.
10948         (__tablejump_elpm__): New.
10949
10950 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
10951
10952         PR c/32041
10953         * c-parser.c (c_parser_postfix_expression): Allow `->' in
10954         offsetof member-designator, handle it as `[0].'.
10955
10956 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10957
10958         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
10959         function when not using named sections on targets with named sections
10960         if branch distance is less than 262132.
10961
10962 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
10963
10964         * combine.c (combine_instructions):  Recompute
10965         optimize_this_for_speed_p  for each BB in the main combine loop.
10966
10967 2009-01-12  Tomas Bily  <tbily@suse.cz>
10968
10969         PR middlend/38385
10970         * tree-loop-distribution.c (prop_phis): New function.
10971         (generate_builtin): Call prop_phis.
10972         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
10973
10974 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
10975
10976         PR tree-optimization/38807
10977         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
10978         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
10979
10980 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
10981
10982         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
10983         subreg of op0 to the original op0.
10984
10985 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
10986
10987         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
10988
10989 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
10990
10991         PR debug/7055
10992         * mips-tfile.c (parse_def): Fix parsing of def strings
10993         starting with digits.
10994
10995 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
10996
10997         PR target/38695
10998         * config/arm/arm.c (arm_is_long_call_p): Don't call
10999         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
11000
11001 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
11002
11003         * regrename.c (regrename_optimize): Fix dumping.
11004         (find_oldest_value_reg): Preserve REG_POINTER.
11005         (copy_hardreg_forward_1): Likewise.
11006
11007 2009-01-09  Diego Novillo  <dnovillo@google.com>
11008
11009         * gimple.h (struct gimple_statement_base) <uid>: Document
11010         the restrictions on its use.
11011         (gimple_uid): Tidy.
11012         (gimple_set_uid): Tidy.
11013
11014 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11015
11016         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
11017         zero guard even if align_bytes != 0 and count is smaller than
11018         size_needed.
11019
11020 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
11021
11022         PR rtl-optimization/38495
11023         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
11024         (add_range_and_copies_from_move_list): Print all added ranges.
11025         Add ranges to memory optimized destination.
11026
11027 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11028
11029         PR target/38686
11030         PR target/38708
11031         * config/i386/i386.c (override_options): Reject
11032         -mstringop-strategy=rep_8byte with -m32.
11033         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
11034         to 1.  Do count comparison against epilogue_size_needed at compile
11035         time even when count_exp was constant forced into register.  For
11036         size_needed don't jump to epilogue, instead just avoid aligning
11037         and invoke the body algorithm.  If need_zero_guard, add zero guard
11038         even if count is non-zero, but smaller than size_needed + number of
11039         bytes that could be stored for alignment.
11040         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
11041         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
11042         but smaller than size_needed + number of bytes that could be stored
11043         for alignment.  Compare size_needed with epilogue_size_needed instead
11044         of desired_align - align, don't adjust size_needed, pass
11045         epilogue_size_needed to the epilogue expanders.
11046
11047         PR c/35742
11048         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
11049
11050 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11051
11052         * pa.c (last_address): Change to unsigned.
11053         (update_total_code_bytes): Change argument to unsigned.  Don't
11054         check if insn addresses are set.
11055         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
11056         addresses are not set.
11057         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
11058
11059 2009-01-09  Nick Clifton  <nickc@redhat.com>
11060
11061         * config/sh/symbian.c: Replace uses of DECL_INLINE with
11062         DECL_DECLARED_INLINE_P.
11063
11064 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11065
11066         PR middle-end/38347
11067         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
11068         GET_MODE (op0) in operand_subword_force calls.
11069
11070         PR middle-end/38771
11071         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
11072         fold_convert arg0 operands to TREE_TYPE (op0) first.
11073
11074 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
11075
11076         * params.def (ira-max-conflict-table-size): Decrease default value
11077         to 1000.
11078
11079 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
11080
11081         PR tree-optimization/37031
11082         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
11083         on parameter_set.
11084         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
11085         allocate it using gc instead of heap, use VEC_quick_push instead of
11086         VEC_safe_push.
11087         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
11088         instead of heap, use VEC_quick_push instead of VEC_safe_push.
11089         * tree-data-ref.h (struct access_matrix): Change matrix to gc
11090         allocated vector from heap allocated.
11091         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
11092         * tree-loop-linear.c (linear_transform_loops): Allocate nest
11093         vector only after perfect_loop_nest_depth call.
11094
11095 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
11096             Jan Sjodin  <jan.sjodin@amd.com>
11097
11098         PR tree-optimization/38559
11099         * graphite.c (debug_value, copy_constraint,
11100         swap_constraint_variables, scale_constraint_variable, ): New.
11101         (get_lower_bound, get_upper_bound): Removed.
11102         (graphite_trans_bb_strip_mine): Clean up this code that works
11103         only for constant number of iterations.  Fully copy upper and
11104         lower bound constraints, not only the constant part of them.
11105         * graphite.h (debug_value): Declared.
11106
11107 2009-01-08  Ira Rosen  <irar@il.ibm.com>
11108
11109         PR tree-optimization/37194
11110         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
11111         Don't add the cost of cost model guard in prologue to scalar
11112         outside cost in case of known number of iterations.
11113
11114 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11115             Alan Modra  <amodra@bigpond.net.au>
11116
11117         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
11118         non-word-aligned REG+CONST addressing.
11119
11120 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11121
11122         PR target/38706
11123         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
11124         free_after_compilation when outputting a thunk.
11125         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
11126         Do not call free_after_compilation here.
11127
11128 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11129
11130         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
11131         (ix86_valid_target_attribute_inner_p): Ditto.
11132
11133 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
11134
11135         PR tree-optimization/38492
11136         PR tree-optimization/38498
11137         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
11138         * tree-chrec.h (scev_is_linear_expression): Declared.
11139         * graphite.c (graphite_cannot_represent_loop_niter): New.
11140         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
11141         (graphite_loop_normal_form): Use gcc_assert.
11142         (scan_tree_for_params): Use CASE_CONVERT.
11143         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
11144         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
11145         Use gcc_assert.  Discard scops that contain unhandled cases.
11146         (build_scop_conditions): Return a boolean status for unhandled cases.
11147         (strip_mine_profitable_p): Print the loop number, not its depth.
11148         (is_interchange_valid): Pass the depth of the loop nest, don't
11149         recompute it wrongly.
11150         (graphite_trans_bb_block): Same.
11151         (graphite_trans_bb_block): Print tentative of loop blocking.
11152         (graphite_trans_scop_block): Do not print that the loop has been
11153         blocked.
11154         (graphite_transform_loops): Do not handle scops that contain condition
11155         scalar phi nodes.
11156
11157 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
11158
11159         AVX Programming Reference (December, 2008)
11160         * config/i386/avxintrin.h (_mm256_stream_si256): New.
11161         (_mm256_stream_pd): Likewise.
11162         (_mm256_stream_ps): Likewise.
11163
11164         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
11165         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
11166         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
11167         (bdesc_special_args): Add __builtin_ia32_movntdq256,
11168         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
11169         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
11170         (ix86_expand_special_args_builtin): Likewise.
11171
11172         * config/i386/sse.md (AVXMODEDI): New.
11173         (avx_movnt<mode>): Likewise.
11174         (avx_movnt<mode>): Likewise.
11175         (<sse>_movnt<mode>): Remove AVX support.
11176         (sse2_movntv2di): Likewise.
11177
11178 2009-01-07  Richard Guenther  <rguenther@suse.de>
11179
11180         PR middle-end/38751
11181         * fold-const.c (extract_muldiv): Remove obsolete comment.
11182         (fold_plusminus_mult_expr): Undo MINUS_EXPR
11183         to PLUS_EXPR canonicalization for the canonicalization.
11184
11185 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
11186
11187         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
11188         hosted cross-compilers generating less efficient code.
11189
11190 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11191
11192         * function.h (rtl_data): Add a dbr_scheduled_p field.
11193         * reorg.c (dbr_schedule): Set it.
11194         (gate_handle_delay_slots): Check it.
11195         * config/mips/mips.c (mips_base_delayed_branch): Delete.
11196         (mips_reorg): Check flag_delayed_branch instead of
11197         mips_base_delayed_branch.
11198         (mips_override_options): Don't set mips_base_delayed_branch
11199         or flag_delayed_branch.
11200
11201 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11202
11203         PR rtl-optimization/38426.
11204         * ira.c (ira): Set current_function_is_leaf earlier.
11205
11206 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
11207
11208         PR rtl-optimization/38722
11209         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
11210         too early, only set a flag and modify after last possible
11211         undo_all point.
11212
11213 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
11214
11215         PR c/34252
11216         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
11217         * real.c (decimal_single_format): Correct values of emin and emax.
11218         (decimal_double_format): Ditto.
11219         (decimal_quad_format): Ditto.
11220         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
11221         computation of DECnn_MIN and DECnn_MAX for corrected values of
11222         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
11223         __DECnn_MIN__, and adjust its computation for the corrected value
11224         of emin.
11225
11226 2009-01-06  Jan Hubicka  <jh@suse.cz>
11227
11228         PR target/38744
11229         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
11230
11231 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
11232
11233         * doc/contrib.texi (Contributors): Slightly adjust the end note.
11234         Add Robert Clark to the list of testers.
11235
11236 2009-01-06  Jan Hubicka  <jh@suse.cz>
11237             Kai Tietz  <kai.tietz@onevision.com>
11238
11239         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
11240         * config/i386/i386.c (ix86_expand_call): Add clobbers.
11241
11242 2009-01-06  Jan Hubicka  <jh@suse.cz>
11243             Kai Tietz  <kai.tietz@onevision.com>
11244
11245         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
11246         for w64 ABI.
11247         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
11248         (ix86_nsaved_regs): Count only general purpose regs.
11249         (ix86_nsaved_sseregs): New.
11250         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
11251         to 16 for w64; compute padding and size of sse reg save area.
11252         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
11253         general purpose regs.
11254         (ix86_emit_save_sse_regs_using_mov): New.
11255         (ix86_expand_prologue): Save SSE regs if needed.
11256         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
11257         (ix86_emit_restore_sse_regs_using_mov): New.
11258         (ix86_expand_epilogue): Save SSE regs if needed.
11259
11260 2009-01-06  Jan Hubicka  <jh@suse.cz>
11261             Kai Tietz  <kai.tietz@onevision.com>
11262
11263         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
11264         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
11265         functions when accumulate outgoing args is off.
11266
11267 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11268
11269         PR bootstrap/38742
11270         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
11271         before using pseudos_have_intersected_live_ranges_p.
11272
11273         * ira-int.h (ira_assert): Always define.
11274
11275 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11276
11277         AVX Programming Reference (December, 2008)
11278         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
11279         (_mm256_permute2_pd): Likewise.
11280         (_mm_permute2_ps): Likewise.
11281         (_mm256_permute2_ps): Likewise.
11282         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
11283         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
11284
11285         * config/i386/i386.c (ix86_builtins): Remove
11286         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
11287         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
11288         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
11289         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
11290         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
11291         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
11292         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
11293         __builtin_ia32_vpermil2ps256.
11294         (ix86_init_mmx_sse_builtins): Updated.
11295         (ix86_expand_args_builtin): Likewise.
11296
11297 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11298
11299         * pa.c (output_call): Relocate non-jump insns in the delay slot of
11300         long absolute calls when generating PA 2.0 code.
11301
11302 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
11303
11304         PR rtl-optimization/38583
11305         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
11306
11307         * params.def (ira-max-conflict-table-size): New.
11308
11309         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
11310
11311         * ira.h (ira_conflicts_p): New external definition.
11312
11313         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
11314         table.  Report this.  Return result of building.
11315         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
11316         building conflict table.
11317
11318         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
11319         (ira_color): Use ira_conflicts_p.
11320
11321         * global.c: Include ira.h.
11322         (pseudo_for_reload_consideration_p, build_insn_chain): Use
11323         ira_conflicts_p.
11324
11325         * Makefile.in (global.o): Add ira.h.
11326
11327         * ira-build.c (mark_all_loops_for_removal,
11328         propagate_some_info_from_allocno): New.
11329         (remove_unnecessary_allocnos): Call
11330         propagate_some_info_from_allocno.
11331         (remove_low_level_allocnos): New.
11332         (remove_unnecessary_regions): Add parameter.  Call
11333         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
11334         parameter to remove_unnecessary_regions.
11335         (ira_build): Remove all regions but root if the conflict table was
11336         not built.  Update conflict hard regs for allocnos crossing calls.
11337
11338         * ira.c (ira_conflicts_p): New global.
11339         (ira): Define and use ira_conflicts_p.
11340
11341         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11342         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
11343         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
11344
11345 2009-01-06  Ben Elliston  <bje@au.ibm.com>
11346
11347         * gengtype-lex.l (YY_NO_INPUT): Define.
11348
11349 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11350
11351         PR c/34911
11352         * c-common.c (handle_vector_size_attribute): Also reject
11353         BOOLEAN_TYPE types.
11354
11355 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
11356
11357         PR tree-optimization/38492
11358         * graphite.c (rename_map_elt, debug_rename_elt,
11359         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
11360         rename_map_elt_info, eq_rename_map_elts,
11361         get_new_name_from_old_name, bb_in_sese_p): Moved around.
11362         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
11363         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
11364         (sese_build_livein_liveouts): New.
11365         (new_sese, free_sese): New.
11366         (new_scop): Call new_sese.
11367         (free_scop): Call free_sese.
11368         (rename_variables_from_edge, rename_phis_end_scop): Removed.
11369         (register_old_new_names): Renamed register_old_and_new_names.
11370         (register_scop_liveout_renames, add_loop_exit_phis,
11371         insert_loop_close_phis, struct igp,
11372         default_liveout_before_guard, add_guard_exit_phis,
11373         insert_guard_phis, copy_renames): New.
11374         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
11375         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
11376         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
11377         (scop_adjust_phis_for_liveouts): New.
11378         (gloog): Call scop_adjust_phis_for_liveouts.
11379
11380         * graphite.h (struct sese): Documented.  Added fields liveout,
11381         num_ver and livein.
11382         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
11383         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
11384         (struct scop): Added field liveout_renames.
11385         (SCOP_LIVEOUT_RENAMES): New.
11386
11387 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11388
11389         PR tree-optimization/38510
11390         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
11391         (translate_clast): Call recompute_all_dominators before
11392         graphite_verify.
11393         (gloog): Call recompute_all_dominators before graphite_verify.
11394
11395 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11396             Jan Sjodin  <jan.sjodin@amd.com>
11397
11398         PR tree-optimization/38500
11399         * graphite.c (create_sese_edges): Call fix_loop_structure after
11400         splitting blocks.
11401
11402 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
11403
11404         * config.gcc: Add m32r*-*-rtems*.
11405         * config/m32r/rtems.h: New file.
11406
11407 2009-01-05  Ben Elliston  <bje@au.ibm.com>
11408
11409         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
11410         (.po.pox): Likewise.
11411         (po/gcc.pot): Likewise.
11412
11413 2009-01-04  David S. Miller  <davem@davemloft.net>
11414
11415         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
11416         (STARTING_FRAME_OFFSET): Always set to zero.
11417
11418 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11419
11420         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
11421         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
11422         fixed-point types, and vectors of the same.
11423
11424 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11425
11426         * config/mips/sync.md (*mb_barrier): Rename to...
11427         (*memory_barrier): ...this.
11428
11429 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
11430
11431         * doc/extend.texi (Function Attributes): Move @cindex after @item
11432         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
11433         and put in alphabetical order. Fix 'target' name and put in order.
11434         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
11435         typos.
11436
11437 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
11438
11439         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
11440         (memory_barrier): Expand as unspec instead of unspec_volatile.
11441         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11442         (*memory_barrier): Define as unspec instead of unspec_volatile.
11443         Use (match_dup 0) as input operand.
11444
11445         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
11446         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
11447         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
11448         scratch register.  Remove operand 1.
11449         (*stbar): Define as unspec instead of unspec_volatile.
11450         Use (match_dup 0) as input operand, remove (const_int 8).
11451         (*membar): Define as unspec instead of unspec_volatile.
11452         Use (match_dup 0) as input operand, remove input operand 2.
11453
11454         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
11455         (memory_barrier): Expand as unspec instead of unspec_volatile.
11456         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11457         (*memory_barrier): Define as unspec instead of unspec_volatile.
11458         Use (match_dup 0) as input operand.
11459
11460         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
11461         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11462         Set volatile flag on operand 0.
11463         (*memory_barrier): New insn pattern.
11464
11465         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
11466         insn operands.
11467         (*memory_barrier): Use (match_dup 0) as input operand.
11468
11469         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
11470         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11471         Set volatile flag on operand 0.
11472         (*mb_internal): New insn pattern.
11473
11474         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
11475
11476 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11477
11478         PR middle-end/38586
11479         * function.c (struct temp_slot): Move to the section of the file
11480         that deals with temp slots.  Remove field 'address'.
11481         (temp_slot_address_table): New hash table of address -> temp slot.
11482         (struct temp_slot_address_entry): New struct, items for the table.
11483         (temp_slot_address_compute_hash, temp_slot_address_hash,
11484         temp_slot_address_eq, insert_temp_slot_address): Support functions
11485         for the new table.
11486         (find_temp_slot_from_address): Rewrite to use the new hash table.
11487         (remove_unused_temp_slot_addresses): Remove addresses of temp
11488         slots that have been made available.
11489         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
11490         worker function for remove_unused_temp_slot_addresses.
11491         (assign_stack_temp_for_type): Don't clear the temp slot address list.
11492         Add the temp slot address to the address -> temp slot map.
11493         (update_temp_slot_address): Update via insert_temp_slot_address.
11494         (free_temp_slots): Call remove_unused_temp_slot_addresses.
11495         (pop_temp_slots): Likewise.
11496         (init_temp_slots): Allocate the address -> temp slot map, or empty
11497         the map if it is already allocated.
11498         (prepare_function_start): Initialize temp slot processing.
11499
11500 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11501
11502         PR middle-end/38584
11503         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
11504         Calculate the size of all stack vars assuming no packing of stack
11505         vars will happen, replacing a quadratic algorithm with a linear one.
11506
11507 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11508
11509         PR target/38707
11510         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
11511         can't be used.
11512
11513 2009-01-03  Diego Novillo  <dnovillo@google.com>
11514
11515         * doc/contrib.texi: Update contributions.
11516
11517 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11518
11519         PR c++/38705
11520         * builtins.c (fold_builtin_memory_op): Give up if either operand
11521         is volatile.  Set srctype or desttype to non-qualified version
11522         of the other type.
11523
11524         PR c/38700
11525         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
11526         and FUNCTION_DECLs.
11527
11528 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
11529
11530         PR rtl-optimization/35805
11531         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
11532         problem if fast dce is able to remove any instructions.
11533         * dce.c (dce_process_block): Fix dump message.
11534
11535 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
11536
11537         PR 33649
11538         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
11539
11540 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
11541
11542         PR middle-end/38690
11543         * tree-flow.h (op_code_prio, op_prio): New prototypes.
11544         * tree-pretty-print.c (op_code_prio): New function.
11545         (op_prio): No longer static.  Use op_code_prio.
11546         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
11547         Use op_prio and op_code_prio to determine if () should be
11548         printed around operand(s) or not.
11549
11550         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
11551         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
11552         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
11553         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
11554         pp_character instead of pp_string for single letter printing.
11555
11556 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
11557
11558         * doc/extend.texi: Fix '#pragma GCC option' typo.
11559
11560 2009-01-02  Richard Guenther  <rguenther@suse.de>
11561
11562         * doc/install.texi (--enable-checking): Mention different
11563         default for stage1.
11564         (--enable-stage1-checking): Document.
11565
11566 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
11567
11568         PR middle-end/30142
11569         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
11570         case to be an error.
11571
11572 2009-01-02  Ben Elliston  <bje@au.ibm.com>
11573
11574         * config/fp-bit.h (pack_d): Constify argument.
11575         * config/fp-bit.c (makenan): Constify return type. Remove casts.
11576         (isnan): Constify argument.
11577         (isinf): Likewise.
11578         (iszero): Likewise.
11579         (pack_d): Likewise.
11580         (_fpadd_parts): Constify return type.
11581         (_fpmul_parts): Likewise.
11582         (_fpdiv_parts): Likewise.
11583
11584 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
11585
11586         PR c/36489
11587         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
11588         warn about overwriting initializer with side-effects or
11589         -Woverride-init if !IMPLICIT.
11590         (output_init_element): Likewise.  Pass IMPLICIT down to
11591         add_pending_init.
11592         (process_init_element): Add IMPLICIT argument.  Pass it down
11593         to output_init_element.
11594         (push_init_element, pop_init_level, set_designator): Adjust
11595         process_init_element callers.
11596         (set_nonincremental_init, set_nonincremental_init_from_string):
11597         Adjust add_pending_init callers.
11598         (output_pending_init_elements): Adjust output_init_element callers.
11599         * c-tree.h (process_init_element): Adjust prototype.
11600         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
11601         process_init_element callers.
11602
11603 \f
11604 Copyright (C) 2009 Free Software Foundation, Inc.
11605
11606 Copying and distribution of this file, with or without modification,
11607 are permitted in any medium without royalty provided the copyright
11608 notice and this notice are preserved.