gcc/ChangeLog

   1 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
   2
   3         Revert:
   4
   5         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
   6
   7         * optabs.c (prepare_cmp_insn): Temporarily disable test that
   8         causes spurious differences between trunk and cond-optab branch.
   9
  10 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
  11
  12         * dojump.c (compare_from_rtx): Delete.
  13         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
  14         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
  15         if the comparison does not satisfy the predicate; test predicates for
  16         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
  17         further if one existing pattern fails.
  18         * expr.h (compare_from_rtx): Delete.
  19         (prepare_operand): Declare it.
  20         * optabs.c: Change "lib call" to "libcall" throughout.
  21         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
  22         HAVE_conditional_trap, emit_cmp_insn): Delete.
  23         (can_compare_p): Delete cmp_optab case.
  24         (prepare_float_lib_cmp): Return an rtx and a machine mode.
  25         Accept other parameters by value.
  26         (prepare_operand): Make non-static.
  27         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
  28         other parameters by value.  Try to widen operands here based on
  29         an optab_methods argument and looking at cbranch_optab.
  30         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening loop.
  31         Use cbranch_optab directly.
  32         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to prepare_cmp_insn
  33         and emit_cmp_and_jump_insn_1, remove obsolete assertion.
  34         (emit_conditional_move, emit_conditional_add): Inline what's needed
  35         of compare_from_rtx, using new prepare_cmp_insn for the rest.
  36         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
  37         with COMPARE.  Move cmov_optab and cstore_optab above
  38         with cbranch_optab, move cmp_optab down with ucmp_optab,
  39         remove tst_otpab.  Do not initialize trap_rtx.
  40         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
  41         for trap code.  Do not check HAVE_conditional_trap.  Use
  42         prepare_cmp_insn.  Accept no predicate for operand 3.
  43         * optabs.h (OTI_cmp): Mark as used only for libcalls.
  44         (OTI_ctrap, ctrap_optab): New.
  45         (tst_optab): Delete.
  46         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
  47         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
  48         with lookup of ctrap_optab.
  49         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
  50         setcc_gen_code): Delete.
  51         (ctrap_optab): New.
  52
  53         * combine.c (combine_simplify_rtx, simplify_set): Do not
  54         special case comparing against zero for cc0 machines.
  55         * simplify-rtx.c (simplify_binary_operation_1): Never remove
  56         COMPARE on cc0 machines.
  57         (simplify_relational_operation): Return a new expression when
  58         a COMPARE could be removed.
  59         * final.c (final_scan_insn): Compare cc_status values
  60         against LHS of a (compare FOO (const_int 0)) cc0 source.
  61         Also check if cc_status.value is the full compare.
  62
  63         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
  64         (cstoreMM4): Document.
  65         (conditional_trap): Document ctrapMM4 instead.
  66         (sync_compare_and_swapMM): Refer to cbranchcc4.
  67         (Dependent Patterns): Eliminate obsolete information referring to
  68         the old jump optimization phase.
  69         (Canonicalization): Include cbranchcc4 case, omit canonicalization
  70         of compares with 0 on cc0 machines.
  71         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
  72         avoiding references to cc0.  Remove text about storing operands
  73         in cmpMM.
  74         * doc/tm.texi (Condition Codes): Include blurb on different
  75         condition code representations, separate into subsections for
  76         CC0, MODE_CC and conditional execution.
  77
  78         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
  79         alpha_emit_setcc): Accept operands and a machine mode.
  80         * config/alpha/alpha.c (alpha_emit_conditional_branch):
  81         Get code/op0/op1 from operands, use machine mode argument
  82         instead of alpha_compare.fp_p.  Emit the branch here.
  83         (alpha_emit_setcc): Likewise, and return boolean.
  84         (alpha_emit_conditional_move): Likewise.  Assert that
  85         cmp_op_mode == cmp_mode, and simplify accordingly.
  86         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
  87         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
  88         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,
  89         cstoredi4): Delete.
  90         (stack probe test): Use cbranchdi4.
  91         * config/alpha/predicates.md (alpha_cbranch_operator): New.
  92
  93         * config/arc/arc.c (gen_compare_reg): Do not emit cmp.
  94         * config/arc/arc.h (movsicc, movsfcc): Use it.
  95         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
  96         (cbranchsi4, cstoresi4): New.
  97         (cmpsi, bCC and sCC expanders): Remove.
  98
  99         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
 100         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
 101         * config/arm/predicates.md (arm_comparison_operator): Only include
 102         floating-point operators if there is a hardware floating-point unit.
 103         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
 104         deferring to cbranch_cc and cstore_cc respectively.
 105         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
 106         cbranch_cc, cstore_cc): New.
 107         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
 108         arm_compare_op1.
 109         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
 110
 111         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
 112         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
 113         as an argument.
 114         (adjust_insn_length): Adjust calls.
 115         (avr_reorg): Handle (compare (foo) (const_int 0)).
 116         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
 117         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
 118         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
 119         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
 120         (bCC): Remove.
 121         (cbranchqi4, cbranchhi4, cbranchsi4): New.
 122         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
 123
 124         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
 125         (cbranchsi4, cstorebi4, cstoresi4): New.
 126         (movbisi): This insn is duplicate, split it to zero_extend.
 127         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
 128         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
 129         (bfin_optimize_loop): Use cbranch expander.
 130         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
 131         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
 132         (bfin_bimode_comparison_operator): ... this.
 133         (bfin_direct_comparison_operator): New.
 134
 135         * config/cris/cris.c (cris_normal_notice_update_cc): Look
 136         inside (compare FOO (const_int 0)).
 137         (cris_rtx_costs): Handle ZERO_EXTRACT.
 138         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
 139         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
 140         (*tstdi_v32): Delete.
 141         (*cmpdi_non_v32): Add M alternative for operand 1.
 142         (cmpsi, cmp<mode>): Make private.
 143         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap
 144         LHS with COMPARE.
 145         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
 146
 147         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
 148         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
 149         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
 150         (cc_reg_operand): New.
 151         (any_cond): Delete.
 152         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
 153         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
 154         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
 155         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
 156         crx_expand_scond): Delete.
 157
 158         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
 159         (cbranchsi4): New.
 160         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
 161         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
 162
 163         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
 164         cstoresi4, cstoresf4, cstoredf4): New.
 165         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
 166         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
 167         Receive the entire operands array.
 168         * config/frv/frv.h (frv_compare_op0,
 169         frv_compare_op1): Delete.
 170         * config/frv/frv.c (frv_compare_op0,
 171         frv_compare_op1): Delete.
 172         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
 173         Get test/op0/op1 from the operands array.
 174         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
 175
 176         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
 177         (h8300_expand_store): New.
 178         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
 179         (const_int 0)).
 180         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
 181         (h8300_expand_store): New.
 182         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
 183         or do not try to produce (set (cc0) REG).
 184         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
 185         change a compare into a move to a scratch register.  Disable some
 186         peepholes when comparing with zero.
 187         (tstsi, tsthi, tstsi, cmpqi): Make private.
 188         (cmphi): Delete.
 189         (bCC, sCC): Delete.
 190         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
 191         cstoresi4): New.
 192
 193         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
 194         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
 195         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
 196         (ix86_emit_i387_log1p): Use cbranchxf2.
 197         (ix86_expand_setcc): Return void.
 198         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
 199         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
 200         cmp<MODEF>, cmpcc): Remove.
 201         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4, cbranchxf4,
 202         cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4, cstorehi4,
 203         cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
 204         (sCC and bCC expanders): Remove.
 205         (stack_protect_test): Use cbranchcc4.
 206
 207         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
 208         Delete.
 209         (ia64_expand_compare): Accept three rtx by reference and return void.
 210         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
 211         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
 212         from *expr.  Update *expr with the BImode comparison to do.
 213         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
 214         cmptf, bCC, sCC, conditional_trap): Delete.
 215         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4,
 216         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
 217         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
 218         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
 219         * config/ia64/predicates.md (ia64_cbranch_operator): New.
 220
 221         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
 222         type of last argument.
 223         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
 224         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
 225         use machine mode argument instead of branch_type.  Remove dead
 226         code for floating-point comparisons.
 227         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
 228         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi,
 229         bCC): Remove.
 230         (cbranchsi4, cstoresi4): New.
 231         * config/iq2000/predicates.md (reg_or_const_operand): New.
 232
 233         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
 234         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
 235         (b<code>_op): Rewrite to...
 236         (bcc_op): ... this, using match_operator.
 237         (s<code>_op): Rewrite to...
 238         (scc_op): ... this, using match_operator.
 239         (s<code>_24_op): Rewrite to...
 240         (scc_op_24): ... this, using match_operator.
 241         (s<code>_<mode>): Rewrite to...
 242         (cstore<mode>4): ... this, using match_operator.
 243         (s<code>_<mode>_24): Rewrite to...
 244         (cstore<mode>4_24): ... this, using match_operator.
 245         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
 246         m32c_unpend_compare, m32c_expand_scc): Delete.
 247         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
 248         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
 249         (m32c_expand_movcc): Change NE to EQ if necessary.
 250         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
 251
 252         * config/m32r/m32r-protos.h (gen_cond_store): New.
 253         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
 254         (gen_cond_store): New, from sCC patterns.
 255         (m32r_expand_block_move): Use cbranchsi4.
 256         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
 257         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
 258         (cbranchsi4, cstoresi4): New.
 259
 260         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
 261         Delete.
 262         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
 263         (m68hc11_notice_update_cc): Look into a compare with 0.
 264         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
 265         Delete.
 266         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
 267         cmphi, cmpqi, bCC): Delete.
 268         (cbranchsi4, cbranchhi4, cbranchqi4): New.
 269         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
 270         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
 271         sets with COMPARE.
 272
 273         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
 274         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
 275         * config/m68k/constraints.md (H): New.
 276         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
 277         the define_insn below.
 278         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
 279         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
 280         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
 281         patterns): Wrap RHS with COMPARE.
 282         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
 283         (*cmpdi_internal): Name this pattern.
 284         (cmpdi): Change to define_insn.
 285         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
 286         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
 287         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
 288         predicate.
 289         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
 290         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
 291         (conditional_trap): Change to...
 292         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
 293         (*conditional_trap): Use the ordered_comparison_operator and
 294         const1_operand predicates.
 295         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
 296         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
 297         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
 298         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
 299
 300         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
 301         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
 302         (mcore_gen_compare): New.
 303         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
 304         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
 305         (mcore_gen_compare): ... this.
 306         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
 307         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
 308         (stack probe pattern): Use cbranchsi4.
 309
 310         * config/mips/predicates.md (mips_cstore_operator): New.
 311         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
 312         * config/mips/mips.md (any_cond): Delete.
 313         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
 314         always succeed.
 315         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
 316         fixuns_truncsfdi2): Use cbranch patterns.
 317         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete.
 318         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
 319         Adjust call to mips_expand_conditional_branch.
 320         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to cstore<GPR:mode>4.
 321         * config/mips/mips-protos.h (mips_expand_conditional_branch,
 322         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
 323         * config/mips/mips.c (cmp_operands): Delete.
 324         (mips_emit_compare): Get comparison operands from *op0/*op1.
 325         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
 326         that it succeeds.  Use op0/op1 instead of cmp_operands.
 327         (mips_expand_conditional_branch, mips_expand_conditional_move,
 328         mips_expand_conditional_trap): Likewise.
 329         (mips_block_move_loop): Use cbranch patterns.
 330         * config/mips/mips.h (cmp_operands): Delete.
 331
 332         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
 333         (mmix_gen_compare_reg): Just return a register in the right CC mode.
 334         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
 335         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
 336         (*cmpcc_folded): Rename to...
 337         (*cmpdi_folded): this.
 338         (*cmpcc): Rename to...
 339         (*cmps): ... this.
 340         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
 341         (bCC): Remove.
 342         (cbranchdi4): New.
 343         (cbranchdf4): New.  Handle invalid comparisons here.
 344         * config/mmix/predicates.md (float_comparison_operator): New.
 345
 346         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
 347         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
 348         * config/mn10300/mn10300.md (tst): Delete.
 349         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
 350         Name these patterns and wrap RHS in a compare.
 351         (*cmpsi): Make this pattern private.  Include tst.
 352         (*cmpsf): Make this pattern private.
 353         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
 354         (compare with zero peepholes): Likewise.
 355         (bCC): Remove.
 356         (cbranchsi4, cbranchsf4): New.
 357         (casesi): Use cbranchsi4.
 358
 359         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
 360         hppa_branch_type): Delete.
 361         (return_addr_rtx): Use cbranchsi4.
 362         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
 363         Emit CCFPmode comparison here.
 364         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
 365         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
 366         hppa_branch_type): Delete.
 367         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
 368         (movsicc, movdicc): Remove references to hppa_compare_op0,
 369         hppa_compare_op1 and compare_from_rtx.
 370         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
 371         (casesi): Use cbranchsi4.
 372
 373         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
 374         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
 375         * config/pdp11/pdp11.md (register_or_const0_operand): New.
 376         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
 377         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
 378         (bCC): Delete.
 379         (cbranchdf4, cbranchhi4, cbranchqi4): New.
 380         (*branch, *branch_inverted): New.
 381
 382         * config/picochip/picochip.md (cbranchhi4): Use
 383         ordered_comparison_operator.
 384         (cmphi, bCC): Remove.
 385
 386         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
 387         (trap_comparison_operator): Delete.
 388         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
 389         rs6000_emit_cbranch): Accept mode and operands.
 390         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
 391         rs6000_compare_fp_p): Delete.
 392         (rs6000_generate_compare): Accept mode and comparison.  Extract code
 393         and op0/op1 from there.  Replace references to rs6000_compare_op0
 394         and rs6000_compare_op1.
 395         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
 396         extract result from passed operands.
 397         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
 398         extract loc from passed operands.
 399         (rs6000_emit_cmove): Likewise.
 400         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
 401         rs6000_compare_fp_p): Delete.
 402         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
 403         (cbranch<GPR>4, cbranch<FP>4): New.
 404         (cstore<mode>4): New.  Consolidate here all choices about when to use
 405         portable or specialized sCC sequences.
 406         (stack_protect_test): Use cbranchsi4.
 407         (conditional_trap): Replace with ctrap<GPR>4.
 408         (conditional trap insn): Replace trap_comparison_operator with
 409         ordered_comparison_operator.
 410
 411         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
 412         (s390_emit_prologue): Use ctrap.
 413         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
 414         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
 415         New predicates replacing...
 416         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
 417         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
 418         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
 419         (add<mode>cc): Do not use s390_compare_op0/op1.
 420         (s<code>): Change to...
 421         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
 422         (seq): Change to...
 423         (cstorecc4): ... this.  Handle EQ or NE equally.
 424         (*sne): Un-privatize for use in cstorecc4.
 425         (b<code>): Change to...
 426         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
 427         (conditional_trap): Replace with...
 428         (ctrap<GPR>4, ctrap<FP>4): ... these.
 429         (stack_protect): Use cbranchcc4.
 430
 431         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
 432         * config/score/score-protos.h (score_gen_cmp): Delete.
 433         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
 434         (score_block_move-loop): Use cbranchsi4.
 435         * config/score/score.md (cbranchsi4): New.
 436         (cmpsi, bCC): Delete.
 437         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
 438         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
 439         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
 440         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
 441         * config/score/score3.h (score3_gen_cmp): Delete.
 442         * config/score/score7.h (score7_gen_cmp): Delete.
 443
 444         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
 445         (sh_emit_scc_to_t): ... this.  Return void.
 446         (from_compare): Rename to...
 447         (sh_emit_compare_and_branch): ... this.
 448         (sh_emit_compare_and_set): New.
 449         (sh_expand_t_scc): Accept operands.
 450         * config/sh/predicates.md (sh_float_comparison_operator): New.
 451         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
 452         (prepare_scc_operands): Rename to...
 453         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from arguments.
 454         (sh_emit_cheap_store_flag): New.
 455         (sh_emit_set_t_insn): New.
 456         (from_compare): Rename to...
 457         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
 458         handling of TARGET_SH2E floating point to avoid recursive call.
 459         Generate branch here.
 460         (sh_emit_compare_and_set): New.
 461         (sh_expand_t_scc): Get op0/op1 from arguments.
 462         (sh_emit_cheap_store_flag): New.
 463         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
 464         cases.
 465         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
 466         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
 467         (movsicc, movdicc): Do nothing when it recreated operands from
 468         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
 469         prepare_scc_operands (now sh_emit_scc_to_t).
 470         (udivdi3): Use cstoresi4.
 471         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
 472         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered):
 473         Delete.
 474         (cbranchint4_media, cbranchfp4_media): New.
 475         (casesi): Use cbranchdi4.
 476         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
 477         Delete.
 478         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
 479         (movnegt): Remove second operand.
 480         (cbranchsf4, cbranchdf4): New.
 481         (stack_protect): Use cbranchdi4/cbranchsi4.
 482
 483         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
 484         (gen_compare_reg): Accept comparison, extract part of it to...
 485         (gen_compare_reg_1): ... this.
 486         (gen_compare_operator): Delete.
 487         (gen_v9_scc): Accept separate destination, comparison code and arms.
 488         Do not use sparc_compare_op0/sparc_compare_op1.
 489         (emit_scc_insn, emit_conditional_branch_insn): New.
 490         (emit_v9_brxx): Make static.  Remove useless assertion.
 491         (sparc_emit_float_lib_cmp): Return RTL instead of calling emit_cmp_insn.
 492         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
 493         * config/sparc/sparc-protos.h (gen_compare_reg,
 494         sparc_emit_float_lib_cmp): Adjust prototype.
 495         (emit_scc_insn, emit_conditional_branch_insn): New.
 496         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
 497         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
 498         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
 499         iterators to the top.
 500         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
 501         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
 502         snedi_special_trunc): Delete.
 503         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
 504         and snedi_special_trunc.
 505         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
 506         cbranchdi4, cbranch<F:mode>4): New.
 507         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
 508         here.  Use gen_compare_reg instead of gen_compare_operator.
 509         (conditional_trap): Replace with...
 510         (ctrapsi4, ctrapdi4): ... this.
 511         (stack_protect_test): Use cbranchcc4.
 512
 513         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
 514         argument to rtx.
 515         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove.
 516         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
 517         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
 518         from operands[0] or operands[3] depending on is_set.
 519         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
 520         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
 521         cmpdf, bCC), sCC: Remove.
 522         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4,
 523         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
 524         cstoredf4): New.
 525         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
 526         spu_emit_branch_or_set.
 527
 528         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
 529         Add two arguments.
 530         * config/stormy16/stormy16.h (xstormy16_compare_op0,
 531         xstormy16_compare_op1): Delete.
 532         * config/stormy16/stormy16.c (xstormy16_compare_op0,
 533         xstormy16_compare_op1): Delete.
 534         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
 535         Adjust calls.
 536         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
 537         (cmphi, cmpsi, bCC): Remove.
 538
 539         * config/v850/v850.md (tstsi, cmpsi): Fold into...
 540         (*cmpsi): ... this one.
 541         (cbranchsi4, cstoresi4): New.
 542         (bCC expanders): Delete.
 543         (sCC insns): Fold into...
 544         (*setcc): ... this one.
 545         (casesi): Do not use gen_cmpsi and gen_bgtu.
 546         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
 547         (movsicc): Simplify.
 548         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
 549
 550         * config/vax/vax-protos.h (cond_name): New.
 551         (vax_output_conditional_branch): Remove.
 552         * config/vax/vax.c (cond_name): New.
 553         (vax_output_conditional_branch): Remove.
 554         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
 555         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
 556         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
 557         (bit<VAXint>): Wrap source with (compare).
 558         (b<code> and following unnamed pattern): Rename to *branch and
 559         *branch_reversed.  Change macroization to match_operator.
 560         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
 561
 562         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
 563         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
 564         Change last argument to machine_mode.
 565         (xtensa_expand_scc): Add machine_mode argument.
 566         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
 567         (gen_conditional_move, xtensa_expand_conditional_branch,
 568         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
 569         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
 570         Adjust operand numbers.
 571         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
 572         Delete.
 573         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
 574         (cmpsi, cmpsf, b<code>, s<code>): Delete.
 575         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
 576
 577 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
 578
 579         * optabs.c (prepare_cmp_insn): Temporarily disable test that
 580         causes spurious differences between trunk and cond-optab branch.
 581
 582 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
 583
 584         PR target/37137
 585         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
 586
 587 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
 588
 589         * tree.c (iterative_hash_pointer): Delete.
 590         (iterative_hash_expr): Short-circuit handling of NULL pointer.
 591         Hash UIDs and versions of SSA names.  Don't special-case built-in
 592         function declarations.
 593
 594 2009-05-11  Ian Lance Taylor  <iant@google.com>
 595
 596         PR bootstrap/40103
 597         * graphite.c: Force -Wc++-compat to only be a warning before
 598         #including "cloog/cloog.h".
 599
 600 2009-05-11  Martin Jambor  <mjambor@suse.cz>
 601
 602         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
 603
 604 2009-05-11  Jan Hubicka  <jh@suse.cz>
 605
 606         * tree-ssa-loop-ivcanon.c: Include target.h
 607         (struct loop_size): new structure.
 608         (constant_after_peeling): New predicate.
 609         (tree_estimate_loop_size): New function.
 610         (estimated_unrolled_size): Rewrite for new estimates.
 611         (try_unroll_loop_completely): Use new estimates.
 612         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
 613
 614 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 615
 616         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
 617         libcpp interface change.
 618         (spu_macro_to_expand): Likewise.
 619
 620 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
 621
 622         PR tree-optimization/40026
 623         * gimplify.c (gimplify_init_constructor): Change initial conditional
 624         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
 625         optimize_compound_literals_in_ctor.
 626
 627 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
 628
 629         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
 630         New devices.
 631         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
 632
 633 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
 634
 635         * tree-vect-data-refs.c (vect_analyze_group_access): Use
 636         HOST_WIDE_INT for gap.
 637
 638 2009-05-11  Ira Rosen  <irar@il.ibm.com>
 639
 640         PR tree-optimization/40074
 641         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
 642         account in group size and step comparison.
 643
 644 2009-05-11  Richard Guenther  <rguenther@suse.de>
 645
 646         * passes.c (init_optimization_passes): Strip now incorrect comment.
 647         (execute_function_todo): Do not set PROP_alias.
 648         * tree-pass.h (PROP_alias): Remove.
 649         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
 650         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
 651         * tree-nrv.c (pass_return_slot): Likewise.
 652         * tree-object-size.c (pass_object_sizes): Likewise.
 653         * tree-ssa-dom.c (pass_dominator): Likewise.
 654         (pass_phi_only_cprop): Likewise.
 655         * tree-ssa-dse.c (pass_dse): Likewise.
 656         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
 657         (pass_cselim): Likewise.
 658         * tree-ssa-pre.c (pass_pre): Likewise.
 659         (pass_fre): Likewise.
 660         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
 661         * tree-ssa-sink.c (pass_sink_code): Likewise.
 662         * tree-stdarg.c (pass_stdarg): Likewise.
 663         * tree-tailcall.c (pass_tail_calls): Likewise.
 664         * tree-vrp.c (pass_vrp): Likewise.
 665
 666 2009-05-10  Ian Lance Taylor  <iant@google.com>
 667
 668         * basic-block.h (enum profile_status): Break out of struct
 669         control_flow_graph.
 670         * cgraph.h (struct inline_summary): Break out of struct
 671         cgraph_local_info.
 672         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
 673         of struct cgraph_order_sort.
 674         * combine.c (enum undo_kind): New enum, broken out of struct
 675         undo.
 676         * cse.c (struct branch_path): Break out of struct
 677         cse_basic_block_data.
 678         * except.h (enum eh_region_type): Break out of struct eh_region.
 679         * gcc.c (enum add_del): Break out of struct modify_target.
 680         * genrecog.c (enum decision_type): Break out of struct
 681         decision_test.
 682         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
 683         ggc_pch_data.
 684         * matrix-reorg.c (struct free_info): Break out of struct
 685         matrix_info.
 686         * regmove.c (enum match_use): New enum, broken out of struct
 687         match.
 688         * sched-int.h (enum post_call_group): New enum, broken out of
 689         struct deps.
 690         (struct deps_reg): Break out of struct deps.
 691         * target.h (struct asm_int_op): Break out of struct gcc_target.
 692         * tree-eh.c (struct goto_queue_node): Break out of struct
 693         leh_tf_state.
 694         * tree-inline.h (enum copy_body_cge_which): Break out of
 695         copy_body_data.
 696         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
 697
 698         * c-decl.c (in_struct, struct_types): New static variables.
 699         (pushtag): Add loc parameter.  Change all callers.
 700         (lookup_tag): Add ploc parameter.  Change all callers.
 701         (check_compound_literal_type): New function.
 702         (parser_xref_tag): Add loc parameter.  Change all callers.  If
 703         -Wc++-compat, warn about struct/union/enum types defined within a
 704         struct or union.
 705         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
 706         and loc parameters.  Change all callers.  Change error calls to
 707         error_at, using loc.  For a redefinition, if the location of the
 708         original definition is known, report it.  Set in_struct and
 709         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or
 710         alignof.
 711         (finish_struct): Add new parameters enclosing_in_struct and
 712         enclosing_struct_types.  Change all callers.  Set
 713         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
 714         in the struct.  If in a struct, add this struct to struct_types.
 715         (start_enum): Add loc parameter.  Change all callers.  Use
 716         error_at for errors, using loc.  For a redefinition, if the
 717         location of the original definition is known, report it.  If in a
 718         struct, add this enum type to struct_types.  If -Wc++-compat warn
 719         if in sizeof, typeof, or alignof.
 720         * c-parser.c (disable_extension_diagnostics): Disable
 721         -Wc++-compat.
 722         (enable_extension_diagnostics): Reenable -Wc++-compat if
 723         appropriate.
 724         (c_parser_enum_specifier): Get enum location for start_enum.
 725         (c_parser_struct_or_union_specifier): Get struct location for
 726         start_struct.  Save in_struct and struct_types status between
 727         start_struct and finish_struct.
 728         (c_parser_cast_expression): Get location of cast.
 729         (c_parser_alignof_expression): Get location of type.
 730         (c_parser_postfix_expression): Likewise.
 731         (c_parser_postfix_expression_after_paren_type): Add type_loc
 732         parameter.  Change all callers.  Call
 733         check_compound_literal_type.  Use type_loc for error about
 734         variable size type.
 735         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a
 736         use of an enum constant from an enum type defined in a struct or
 737         union.
 738         (c_cast_expr): Add loc parameter.  Change all callers.  If
 739         -Wc++-compat, warn about defining a type in a cast.
 740         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
 741         (start_enum, start_struct, finish_struct): Update declarations.
 742         (parser_xref_tag, c_cast_expr): Update declarations.
 743         (check_compound_literal_type): Declare.
 744
 745 2009-05-11  Ben Elliston  <bje@au.ibm.com>
 746
 747         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
 748         for recent libcpp interface change.
 749         (rs6000_macro_to_expand): Likewise.
 750
 751 2009-05-10  Michael Matz  <matz@suse.de>
 752
 753         PR target/40031
 754         * config/arm/arm.c (require_pic_register): Emit on entry edge,
 755         not at entry of function.
 756
 757 2009-05-10  Richard Guenther  <rguenther@suse.de>
 758
 759         PR tree-optimization/40081
 760         Revert
 761         * tree-sra.c (instantiate_element): Instantiate scalar replacements
 762         using the main variant of the element type.  Do not fiddle with
 763         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
 764
 765         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
 766         structs with volatile fields.
 767
 768 2009-05-10  Jan Hubicka  <jh@suse.cz>
 769
 770         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
 771         (estimate_move_cost): Assert that it does not get called for VOID_TYPE_P.
 772         (estimate_num_insns): Skip VOID types in argument handling.
 773         (optimize_inline_calls): Delete unreachable blocks and verify that
 774         callgraph is valid.
 775
 776 2009-05-10  Jan Hubicka  <jh@suse.cz>
 777
 778         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
 779         * cgraph.c (cgraph_mark_address_taken_node): New function.
 780         (dump_cgraph_node): Dump new flag.
 781         * cgraph.h (struct cgraph_node): Add address_taken.
 782         (cgraph_mark_address_taken_node): New function.
 783         * ipa.c (cgraph_postorder): Prioritize functions with address taken
 784         since new direct calls can be born.
 785
 786 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
 787
 788         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
 789         tok->val.node.node.
 790
 791 2009-05-10  Jan Hubicka  <jh@suse.cz>
 792
 793         PR middle-end/40084
 794         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
 795         argument; rewrite.
 796         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
 797         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
 798         * tree-inline.c (copy_bb): Set frequency correctly.
 799         (fold_marked_statements): Update call to
 800         cgraph_update_edges_for_call_stmt.
 801
 802 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
 803
 804         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
 805         identifiers in diagnostics.
 806         * config/arm/arm.c (arm_handle_fndecl_attribute,
 807         arm_handle_isr_attribute): Likewise.
 808         * config/avr/avr.c (avr_handle_progmem_attribute,
 809         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
 810         Likewise.
 811         * config/bfin/bfin.c (handle_int_attribute,
 812         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
 813         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
 814         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
 815         Likewise.
 816         * config/darwin.c (darwin_handle_kext_attribute,
 817         darwin_handle_weak_import_attribute): Likewise.
 818         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
 819         h8300_handle_eightbit_data_attribute,
 820         h8300_handle_tiny_data_attribute): Likewise.
 821         * config/i386/i386.c (ix86_handle_cconv_attribute,
 822         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
 823         Likewise.
 824         * config/i386/winnt.c (ix86_handle_shared_attribute,
 825         ix86_handle_selectany_attribute): Likewise.
 826         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
 827         * config/m32c/m32c.c (function_vector_handler): Likewise.
 828         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
 829         m68hc11_handle_fntype_attribute): Likewise.
 830         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
 831         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
 832         * config/mips/mips.c (mips_insert_attributes,
 833         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
 834         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
 835         rs6000_handle_struct_attribute): Likewise.
 836         * config/sh/sh.c (sh_insert_attributes,
 837         sh_handle_resbank_handler_attribute,
 838         sh_handle_interrupt_handler_attribute,
 839         sh2a_handle_function_vector_handler_attribute,
 840         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
 841         Likewise.
 842         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
 843         * config/spu/spu.c (spu_handle_fndecl_attribute,
 844         spu_handle_vector_attribute): Likewise.
 845         * config/stormy16/stormy16.c
 846         (xstormy16_handle_interrupt_attribute): Likewise.
 847         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
 848         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
 849
 850 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
 851
 852         * pretty-print.h (struct pretty_print_info): Add
 853         translate_identifiers.
 854         (pp_translate_identifiers): New.
 855         (pp_identifier): Only conditionally translate identifier to locale
 856         character set.
 857         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
 858         (pp_base_tree_identifier): Only conditionally translate identifier
 859         to locale character set.
 860         * c-pretty-print.c (M_): Define.
 861         (pp_c_type_specifier, pp_c_primary_expression): Mark English
 862         fragments for conditional translation with M_.
 863         * tree-pretty-print.c (maybe_init_pretty_print): Disable
 864         identifier translation.
 865
 866 2009-05-10  Richard Guenther  <rguenther@suse.de>
 867
 868         PR tree-optimization/40081
 869         * tree-sra.c (instantiate_element): Instantiate scalar replacements
 870         using the main variant of the element type.  Do not fiddle with
 871         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
 872
 873 2009-05-09  Jan Hubicka  <jh@suse.cz>
 874
 875         PR middle-end/40080
 876         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
 877         indirect calls; verify cgraph afterwards.
 878
 879 2009-05-09  Jan Hubicka  <jh@suse.cz>
 880
 881         PR bootstrap/40082
 882         * ipa.c (update_inlined_to_pointer): New function.
 883         (cgraph_remove_unreachable_nodes): Use it.
 884
 885 2009-05-09  Jan Hubicka  <jh@suse.cz>
 886
 887         * tree-eh.c (struct leh_state): Remove prev_try.
 888         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
 889         not track prev_try.
 890         * except.c (gen_eh_region_cleanup, duplicate_eh_regions,
 891         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
 892         remove_eh_handler_and_replace, foreach_reachable_handler,
 893         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
 894         * except.h (struct eh_region): Remove eh_region_u_cleanup.
 895         (gen_eh_region_cleanup): Update prototype.
 896
 897 2009-05-09  Jan Hubicka  <jh@suse.cz>
 898
 899         PR middle-end/40043
 900         * except.c (copy_eh_region): Always set prev_try.
 901         (redirect_eh_edge_to_label): Find outer try.
 902         (foreach_reachable_handler): When looking for prev try
 903         handle case where previous try is not going to be taken.
 904
 905 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
 906
 907         PR tree-optimization/40049
 908         * tree-vect-stmts.c (vectorizable_operation): If the machine has
 909         only vector/vector shifts, convert the type of the constant to the
 910         appropriate type to avoid building incorrect trees, which
 911         eventually have problems with garbage collection.
 912
 913 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
 914
 915         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
 916         -1 for complex floating-point types if honoring signed zeros.
 917
 918 2009-05-08  Jan Hubicka  <jh@suse.cz>
 919
 920         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
 921         argument; handle correctly when profile is absent.
 922         (build_cgraph_edges): Update.
 923         (rebuild_cgraph_edges): Update.
 924         * cgraph.c: Do not include varray.h.
 925         (cgraph_set_call_stmt_including_clones): New function.
 926         (cgraph_create_edge_including_clones): Likewise
 927         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
 928         (cgraph_update_edges_for_call_stmt): Handle clones.
 929         (cgraph_remove_node): Handle clone tree.
 930         (cgraph_remove_node_and_inline_clones): New function.
 931         (dump_cgraph_node): Dump clone tree.
 932         (cgraph_clone_node): Handle clone tree.
 933         (clone_function_name): Bring here from tree-inline.c.
 934         (cgraph_create_virtual_clone): New function.
 935         * cgraph.h (ipa_replace_map): Move here from ipa.h.
 936         (cgraph_clone_info): New function.
 937         (strut cgraph_node): Add clone_info and new clone tree pointers.
 938         (cgraph_remove_node_and_inline_clones,
 939         cgraph_set_call_stmt_including_clones,
 940         cgraph_create_edge_including_clones,
 941         cgraph_create_virtual_clone): Declare.
 942         (cgraph_function_versioning): Use VEC argument.
 943         (compute_call_stmt_bb_frequency): Update prototype.
 944         (cgraph_materialize_all_clones): New function.
 945         * ipa-cp.c (ipcp_update_cloned_node): Remove.
 946         (ipcp_create_replace_map): Update to VECtors.
 947         (ipcp_update_callgraph): Use virtual clones.
 948         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
 949         (ipcp_update_profiling): Do not update local profiling.
 950         (ipcp_insert_stage): Use VECtors and virtual clones.
 951         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
 952         (clone_of_p): New function.
 953         (cgraph_preserve_function_body_p): Use clone tree.
 954         (cgraph_optimize): Materialize clones.
 955         (cgraph_function_versioning): Update for VECtors.
 956         (save_inline_function_body): Use clone tree.
 957         (cgraph_materialize_clone): New function.
 958         (cgraph_materialize_all_clones): Likewise.
 959         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
 960         * ipa.c: Include gimple.h.
 961         (cgraph_remove_unreachable_nodes): Use clone tree.
 962         * ipa-prop.c (ipa_note_param_call): Update call to
 963         compute_call_stmt_bb_frequencycall.
 964         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
 965         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
 966         (copy_bb): Handle updating of clone tree; add new edge when new call
 967         appears.
 968         (expand_call_inline): Be strict about every call having edge.
 969         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
 970         (delete_unreachable_blocks_update_callgraph): New function.
 971         (tree_function_versioning): Use VECtors; always remove unreachable
 972         blocks and fold conditionals.
 973         * tree-inline.h: Do not include varray.h.
 974         (tree_function_versioning): Remove.
 975         * Makefile.in (GTFILES): Remove tree-inline.c
 976         * passes.c (do_per_function): Do only functions having body.
 977         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
 978         tree.
 979
 980 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
 981             Andrew Morrow  <acm@google.com>
 982
 983         PR c/36892
 984         * c-common.c (c_common_attribute_table): Permit deprecated
 985         attribute to take an optional argument.
 986         (handle_deprecated_attribute): If the optional argument to
 987         __attribute__((deprecated)) is not a string ignore the attribute
 988         and emit a warning.
 989
 990         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
 991         * c-typeck.c (build_component_ref): Likewise.
 992         (build_external_ref): Likewise.
 993
 994         * toplev.c (warn_deprecated_use): Add an attribute argument.
 995         Emit the message associated with __attribute__((deprecated)).
 996
 997         * toplev.h (warn_deprecated_use): Updated.
 998
 999         * doc/extend.texi: Document new optional parameter to
1000         __attribute__((deprecated))
1001
1002 2009-05-08  Michael Eager <eager@eagercon.com>
1003
1004         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
1005         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
1006
1007 2009-05-08  Richard Guenther  <rguenther@suse.de>
1008
1009         PR tree-optimization/40062
1010         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
1011         Avoid exponential behavior.
1012
1013 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1014
1015         PR rtl-optimization/33928
1016         PR 26854
1017         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
1018         process_uses, build_single_def_use_links): New.
1019         (update_df): Update use_def_ref.
1020         (forward_propagate_into): Use get_def_for_use instead of use-def
1021         chains.
1022         (fwprop_init): Call build_single_def_use_links and let it initialize
1023         dataflow.
1024         (fwprop_done): Free use_def_ref.
1025         (fwprop_addr): Eliminate duplicate call to df_set_flags.
1026         * df-problems.c (df_rd_simulate_artificial_defs_at_top,
1027         df_rd_simulate_one_insn): New.
1028         (df_rd_bb_local_compute_process_def): Update head comment.
1029         (df_chain_create_bb): Use the new RD simulation functions.
1030         * df.h (df_rd_simulate_artificial_defs_at_top,
1031         df_rd_simulate_one_insn): New.
1032         * opts.c (decode_options): Enable fwprop at -O1.
1033         * doc/invoke.texi (-fforward-propagate): Document this.
1034
1035 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1036
1037         PR c/24581
1038         * c-typeck.c (build_binary_op): Handle arithmetic between one real
1039         and one complex operand specially.
1040         * tree-complex.c (some_nonzerop): Do not identify a real value as
1041         zero if flag_signed_zeros.
1042
1043 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1044
1045         PR rtl-optimization/33928
1046         * loop-invariant.c (record_use): Fix && vs. || mishap.
1047
1048 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1049
1050         PR rtl-optimization/33928
1051         * loop-invariant.c (struct use): Add addr_use_p.
1052         (struct def): Add n_addr_uses.
1053         (struct invariant): Add cheap_address.
1054         (create_new_invariant): Set cheap_address.
1055         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
1056         (record_uses): Pass df_ref to record_use.
1057         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
1058         used only as such.
1059
1060 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1061
1062         * config/sh/sh.c: Do not include c-pragma.h.
1063
1064 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1065
1066         * config/spu/spu.c: Remove include of c-common.h.
1067
1068 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
1069
1070         PR c/39037
1071         * c-common.h (mark_valid_location_for_stdc_pragma,
1072         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
1073         clear_float_const_decimal64, float_const_decimal64_p): New.
1074         * c.opt (Wunsuffixed-float-constants): New.
1075         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
1076         unsuffixed float constant, handle new warning.
1077         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
1078         * c-decl.c (c_scope): New flag float_const_decimal64.
1079         (set_float_const_decimal64, clear_float_const_decimal64,
1080         float_const_decimal64_p): New.
1081         (push_scope): Set new flag.
1082         * c-parser.c (c_parser_translation_unit): Mark when it's valid
1083         to use STDC pragmas.
1084         (c_parser_external_declaration): Ditto.
1085         (c_parser_compound_statement_nostart): Ditto.
1086         * c-pragma.c (valid_location_for_stdc_pragma,
1087         mark_valid_location_for_stdc_pragma,
1088         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
1089         handle_pragma_float_const_decimal64): New.
1090         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
1091         * cp/semantics.c (valid_location_for_stdc_pragma_p,
1092         set_float_const_decimal64, clear_float_const_decimal64,
1093         float_const_decimal64_p): New dummy functions.
1094         * doc/extend.texi (Decimal Float): Remove statement that the
1095         pragma, and suffix for double constants, are not supported.
1096         * doc/invoke.texi (Warning Options): List new option.
1097         (-Wunsuffixed-float-constants): New.
1098
1099 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
1100
1101         * config/i386/i386.c: Do not include c-common.h.
1102
1103 2009-05-07  Mark Heffernan  <meheff@google.com>
1104
1105         * doc/invoke.texi (Debugging Options): Document change of debugging
1106         dump location.
1107         * opts.c (decode_options): Make dump_base_name relative to
1108         aux_base_name directory.
1109
1110 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
1111
1112         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
1113         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
1114
1115 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
1116
1117         * Makefile.in (install-plugin): Simplify a bit.
1118
1119 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
1120
1121         * Makefile.in (OBJS-common): Add regcprop.o.
1122         (regcprop.o): New.
1123         * timevar.def (TV_CPROP_REGISTERS): New.
1124         * regrename.c (regrename_optimize): Return 0.
1125         (rest_of_handle_regrename): Delete.
1126         (pass_rename_registers): Point to regrename_optimize.
1127         (struct value_data_entry, struct value_data,
1128         kill_value_one_regno, kill_value_regno, kill_value,
1129         set_value_regno, init_value_data, kill_clobbered_value,
1130         kill_set_value, kill_autoinc_value, copy_value,
1131         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
1132         replace_oldest_value_reg, replace_oldest_value_addr,
1133         replace_oldest_value_mem, copyprop_hardreg_forward_1,
1134         debug_value_data, validate_value_data): Move...
1135         * regcprop.c: ... here.
1136         (rest_of_handle_cprop): Delete.
1137         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
1138
1139 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
1140
1141         PR middle-end/40057
1142         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
1143         GEN_INT for 1 << bitnum.
1144         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
1145         build_int_cst_type.
1146
1147 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
1148
1149         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
1150         Remove wrong description of "nand" operation.
1151
1152 2009-05-06  Richard Guenther  <rguenther@suse.de>
1153             Adam Nemet  <anemet@caviumnetworks.com>
1154
1155         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
1156         comment.  Add that if LHS is not a gimple register, then RHS1 has
1157         to be a single object (GIMPLE_SINGLE_RHS).
1158
1159 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
1160
1161         * expr.c (get_def_for_expr): Move it up in the file.
1162         (store_field): When expanding a bit-field store, look at the
1163         defining gimple stmt for the masking conversion.
1164
1165 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
1166
1167         PR middle-end/39986
1168         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1169         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
1170         32-bit memcpy into long.
1171
1172 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
1173
1174         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
1175         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
1176         new_reg_loc_descr.
1177         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
1178         instead of appending DW_OP_deref*.
1179
1180 2009-05-06  Michael Matz  <matz@suse.de>
1181
1182         PR middle-end/40021
1183         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
1184         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
1185
1186 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
1187
1188         * Makefile.in (install-plugin): Fix srcdir handling.
1189
1190 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
1191
1192         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
1193         when processing for not_regs_needed bitmap.
1194         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
1195         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while
1196         handling it for rhs.
1197
1198 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1199
1200         * config/i386/i386.md (unnamed inc/dec peephole): Use
1201         optimize_insn_for_size_p instead of optimize_size.
1202         * config/i386/predicates.md (incdec_operand): Likewise.
1203         (aligned_operand): Likewise.
1204         * config/i386/sse.md (divv8sf3): Likewise.
1205         (sqrtv8sf2): Likewise.
1206
1207 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1208
1209         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
1210
1211         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
1212
1213 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1214
1215         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
1216         ssemodesuffixf2c with avxmodesuffixf2c.
1217
1218 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
1219
1220         PR c/40032
1221         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
1222
1223 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
1224
1225         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
1226         (struct tree_base): Adjust spacing for 8 bit boundaries.
1227         (struct tree_decl_common): Add decl_by_reference_flag bit.
1228         (DECL_BY_REFERENCE): Adjust.
1229         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
1230         print DECL_BY_REFERENCE bit.
1231         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
1232         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
1233         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
1234         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
1235         unconditionally.
1236
1237         PR middle-end/39666
1238         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
1239         range of the type, but default label is missing, add it with one
1240         of the existing labels instead of adding a new label for it.
1241
1242 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
1243
1244         * dwarf.h: Remove.
1245
1246 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
1247
1248         * Makefile.in (enable_plugin, plugin_includedir): New.
1249         (install): Depend on install-plugin.
1250         (PLUGIN_HEADERS): New.
1251         (install-plugin): New.
1252         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
1253
1254 2009-05-05  Richard Guenther  <rguenther@suse.de>
1255
1256         PR tree-optimization/40022
1257         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
1258         the only vuse.
1259         (phivn_valid_p): Fix tuplification error, simplify.
1260         (phiprop_insert_phi): Add dumps.
1261         (propagate_with_phi): Simplify.
1262
1263 2009-05-05  Richard Guenther  <rguenther@suse.de>
1264
1265         PR middle-end/40023
1266         * builtins.c (gimplify_va_arg_expr): Properly build the address.
1267
1268 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
1269
1270         * tree.h (strip_float_extensions): Remove duplicate declaration.
1271         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
1272         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
1273         block_ultimate_origin): Rearrange the declarations line to match the
1274         comment that indicates the .c file which the functions are defined.
1275         (dwarf2out_*, set_decl_rtl): Add comment.
1276         (get_base_address): Adjust comment.
1277         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
1278         declarations line and add comment.
1279         (is_builtin_name): Add blank after function name, for clarity.
1280
1281 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1282
1283         * attribs.c (decl_attributes): Use %qE for identifiers in
1284         diagnostics.
1285         * cgraphunit.c (verify_cgraph_node): Translate function names to
1286         locale character set in diagnostics.
1287         * coverage.c (get_coverage_counts): Use %qE for identifiers in
1288         diagnostics.
1289         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
1290         Document that functions are named in UTF-8.
1291         * expr.c (expand_expr_real_1): Translate function names to locale
1292         character set in diagnostics.
1293         * gimplify.c (omp_notice_variable, omp_is_private,
1294         gimplify_scan_omp_clauses): Use %qE for identifiers in
1295         diagnostics.
1296         * langhooks.c (lhd_print_error_function): Translate function names
1297         to locale character set.
1298         * langhooks.h (decl_printable_name): Document that return value is
1299         in internal character set.
1300         * stmt.c: Include pretty-print.h
1301         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
1302         diagnostics.
1303         (resolve_operand_name_1): Translate named operand name to locale
1304         character set.
1305         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
1306         diagnostics.
1307         * toplev.c (announce_function): Translate function names to locale
1308         character set.
1309         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
1310         (default_tree_printer): Use pp_identifier or translate identifiers
1311         to locale character set.  Mark "<anonymous>" for translation.
1312         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
1313         for identifiers in diagnostics.
1314         * tree.c (handle_dll_attribute): Use %qE for identifiers in
1315         diagnostics.
1316         * varasm.c (output_constructor): Use %qE for identifiers in
1317         diagnostics.
1318
1319 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
1320
1321         * configure.ac: use ` ` instead of $()
1322         * configure: Regenerate.
1323
1324 2009-05-05  Ben Elliston  <bje@au.ibm.com>
1325
1326         * config/pa/linux-atomic.c: Eliminate conditional include of
1327         errno.h on non-LP64 systems to simplify build requirements.
1328
1329 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1330
1331         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
1332         diagnostics.
1333         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
1334         and pass value to identifier_to_locale.
1335         (warn_variable_length_array): Make name a tree.
1336         (grokdeclarator): Separate diagnostic texts for named and unnamed
1337         declarators.  Use %qE for named declarators.
1338         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
1339         diagnostics.
1340         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
1341         identifiers in diagnostics.
1342         * c-typeck.c (push_member_name, start_init): Pass identifiers to
1343         identifier_to_locale.  Mark "anonymous" strings for translation.
1344
1345 2009-05-04  Michael Eager <eager@eagercon.com>
1346
1347         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
1348         address for DImode/DFmode only if double-precision FP regs.
1349
1350 2009-05-04  Michael Eager <eager@eagercon.com>
1351
1352         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
1353         TARGET_SINGLE_FLOAT check.
1354
1355 2009-05-04  Michael Eager <eager@eagercon.com>
1356
1357         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
1358
1359 2009-05-04  Michael Eager <eager@eagercon.com>
1360
1361         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
1362         * config/rs6000/t-xilinx: New
1363
1364 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
1365
1366         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
1367         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
1368         * gcc/explow.c (memory_address): Use target hook.
1369         * gcc/targhooks.c (default_legitimize_address): New.
1370         * gcc/targhooks.h (default_legitimize_address): New.
1371         * gcc/target.h (legitimize_address): New.
1372         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
1373         (TARGET_INITIALIZER): Include it.
1374         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
1375
1376         * config/bfin/bfin-protos.h (legitimize_address): Remove.
1377         * config/bfin/bfin.c (legitimize_address): Remove.
1378         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
1379         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
1380         Remove.
1381         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
1382         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
1383
1384         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
1385         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
1386         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
1387         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
1388         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
1389         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
1390         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
1391         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
1392         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
1393         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
1394         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
1395         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
1396         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
1397         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
1398         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
1399         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
1400         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
1401         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
1402         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
1403         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
1404         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
1405         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
1406         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
1407
1408         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
1409         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
1410         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
1411         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
1412         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
1413         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
1414         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
1415         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
1416         (thumb_legitimize_address): Delete.
1417         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
1418         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
1419         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
1420         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
1421         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
1422         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
1423         Delete.
1424         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
1425         Delete.
1426
1427         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
1428         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
1429         * config/m32r/m32r.c (m32r_legitimize_address): New.
1430         * config/m68k/m68k.c (m68k_legitimize_address): New.
1431         * config/score/score.c (score_legitimize_address): Standardize.
1432         * config/score/score3.c (score3_legitimize_address): Standardize.
1433         * config/score/score3.h (score3_legitimize_address): Adjust.
1434         * config/score/score7.c (score7_legitimize_address): Standardize.
1435         * config/score/score7.h (score7_legitimize_address): Adjust.
1436         * config/sh/sh.c (sh_legitimize_address): New.
1437         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
1438
1439         * gcc/config/s390/s390.c (legitimize_address): Rename to...
1440         (s390_legitimize_address): ... this.
1441         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
1442         (sparc_legitimize_address): ... this.
1443         * gcc/config/i386/i386.c (legitimize_address): Rename to...
1444         (ix86_legitimize_address): ... this.
1445         * gcc/config/avr/avr.c (legitimize_address): Rename to...
1446         (avr_legitimize_address): ... this.
1447         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
1448         (mn10300_legitimize_address): ... this.
1449         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
1450         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
1451         (alpha_expand_mov): Adjust call.
1452
1453         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
1454         * config/spu/spu.c (spu_legitimize_address): Likewise.
1455         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
1456         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
1457
1458 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1459
1460         * intl.c (locale_encoding, locale_utf8): New.
1461         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
1462         * intl.h (locale_encoding, locale_utf8): Declare.
1463         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
1464         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
1465         New.
1466         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
1467         argument.
1468         (pp_tree_identifier): Define to call pp_base_tree_identifier.
1469         (pp_base_tree_identifier): Declare as function.
1470         (identifier_to_locale): Declare.
1471         * Makefile.in (pretty-print.o): Update dependencies.
1472         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
1473
1474 2009-05-04  Richard Guenther  <rguenther@suse.de>
1475
1476         PR middle-end/40015
1477         * builtins.c (fold_builtin_memory_op): Do not decay to element
1478         type if the size matches the whole array.
1479
1480 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1481
1482         * expmed.c (synth_mult): When trying out a shift, pass the result
1483         of a signed shift.
1484
1485 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1486
1487         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
1488         (shiftsub1_cost): New.
1489         (init_expmed): Compute shiftsub1_cost.
1490         (synth_mult): Optimize multiplications by constants of the form
1491         -(2^^m-1) for some constant positive integer m.
1492
1493 2009-05-03  Richard Guenther  <rguenther@suse.de>
1494
1495         PR c/39983
1496         * c-typeck.c (array_to_pointer_conversion): Do not built
1497         ADDR_EXPRs of arrays of pointer-to-element type.
1498         * c-gimplify.c (c_gimplify_expr): Revert change fixing
1499         up wrong ADDR_EXPRs after-the-fact.
1500         * c-common.c (strict_aliasing_warning): Strip pointer
1501         conversions for obtaining the original type.
1502         * builtins.c (fold_builtin_memset): Handle array types.
1503         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
1504         and array types
1505
1506 2009-05-03  Richard Guenther  <rguenther@suse.de>
1507
1508         PR middle-end/23329
1509         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
1510         Do not lose casts from array types with unknown extent to array
1511         types with known extent.
1512         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
1513         alias set compatibility.
1514
1515 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1516
1517         * flags.h (extra_warnings): Delete.
1518         * toplev.c (process_options): Handle Wuninitialized here.
1519         * opts.c (extra_warnings): Delete.
1520         (set_Wextra): Delete.
1521         (common_handle_option): -Wextra can be handled automatically.
1522         * c-opts.c (c_common_handle_option): Delete obsolete code.
1523         (c_common_post_options): Simplify comment.
1524         * common.opt (W): Add Var.
1525         (Wextra): Add Var.
1526         (Wuninitialized): Initialize to -1.
1527
1528 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
1529             Richard Guenther  <rguenther@suse.de>
1530
1531         * expr.c (get_def_for_expr): New function.
1532         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
1533         SSA rather than trees.
1534         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
1535         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
1536
1537 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
1538
1539         * c-common.c (reswords): Add _Imaginary.
1540         * c-common.c (enum rid): Add RID_IMAGINARY.
1541
1542 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
1543
1544         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
1545         Patch by Richard Guenther.
1546
1547 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
1548
1549         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
1550         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
1551         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
1552         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
1553         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
1554         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
1555         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
1556         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
1557         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
1558         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
1559         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
1560         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
1561         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
1562         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
1563         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
1564         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
1565         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
1566         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
1567
1568 2009-05-02  Richard Guenther  <rguenther@suse.de>
1569
1570         PR tree-optimization/39940
1571         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
1572         doing so.
1573
1574 2009-05-02  Richard Guenther  <rguenther@suse.de>
1575
1576         PR middle-end/40001
1577         * tree-ssa.c (execute_update_addresses_taken): Properly check
1578         if we can mark a variable DECL_GIMPLE_REG_P.
1579         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
1580         back to the end of the function.
1581         (is_gimple_reg_type): Remove complex type special casing.
1582         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
1583         if not optimizing.
1584
1585 2009-05-02  Ben Elliston  <bje@au.ibm.com>
1586
1587         * doc/collect2.texi (Collect2): Document search path behaviour
1588         when configured with --with-ld.
1589
1590 2009-05-02  Jan Hubicka  <jh@suse.cz>
1591
1592         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
1593         parameter; update callers.
1594         (coalesce_cost_edge): EH edges are costier because they needs
1595         splitting even if not critical and even more costier when there are
1596         multiple EH predecestors.
1597
1598 2009-05-02  Jan Hubicka  <jh@suse.cz>
1599
1600         * except.c (remove_eh_handler_and_replace): Handle updating after
1601         removing TRY blocks.
1602
1603 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
1604
1605         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
1606
1607 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
1608
1609         * varasm.c: Do not include c-pragma.h.
1610         * attribs.c: Do not incude c-common.h.
1611
1612 2009-05-01  Michael Matz  <matz@suse.de>
1613
1614         * calls.c (initialize_argument_information): Handle SSA names like
1615         decls with a non MEM_P DECL_RTL.
1616
1617 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
1618
1619         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
1620         * ipa-utils.c: Likewise.
1621         * ipa-type-escape.c: Likewise.
1622         * cgraphunit.c Do not include c-common.h.
1623         * ipa-pure-const.c: Likewise.
1624         * tree-if-conv.c: Likewise.
1625         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
1626         * ipa-struct-reorg.c: Likewise.
1627         * tree-nomudflap.c: Likewise.
1628         * tree-ssa-structalias.c: Likewise.
1629
1630 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
1631
1632         * store-motion.c: Many cleanups to make this pass a first-class
1633         citizen instead of an appendix to gcse load motion.  Add TODO list
1634         to make this pass faster/cleaner/better.
1635
1636         (struct ls_expr): Post gcse.c-split cleanups.
1637         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
1638         "stores" field to "avail_stores".
1639         (pre_ldst_mems): Rename to store_motion_mems.
1640         (pre_ldst_table): Rename to store_motion_mems_table.
1641         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
1642         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
1643         (ldst_entry): Rename to st_expr_entry, update users.
1644         (free_ldst_entry): Rename to free_st_expr_entry, update users.
1645         (free_ldst_mems): Rename to free_store_motion_mems, update users.
1646         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
1647         update caller.
1648         (first_ls_expr): Rename to first_st_expr, update users.
1649         (next_ls_expr): Rename to next_st_expr, update users.
1650         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
1651         fields properly for store motion instead of names inherited from load
1652         motion in gcse.c.
1653         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
1654         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
1655         are done with it.
1656
1657         (ae_kill): Rename to st_kill, update users.
1658         (ae_gen): Rename to st_avloc, update users.
1659         (transp): Rename to st_transp, update users.
1660         (pre_insert_map): Rename to st_insert_map, update users.
1661         (pre_delete_map): Rename to st_delete_map, update users.
1662         (insert_store, build_store_vectors, free_store_memory,
1663         one_store_motion_pass): Update for abovementioned changes.
1664
1665         (gcse_subst_count, gcse_create_count): Remove.
1666         (one_store_motion_pass): New statistics counters "n_stores_deleted"
1667         and "n_stores_created", local variables.
1668
1669         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
1670         use for_each_rtx.
1671
1672         (regvec, compute_store_table_current_insn): Remove.
1673         (reg_set_info, reg_clear_last_set): Remove.
1674         (compute_store_table): Use DF caches instead of local dataflow
1675         solvers.
1676
1677 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
1678
1679         * c-objc-common.c (c_tree_printer): Print identifiers with
1680         pp_identifier, not pp_string.  Mark "({anonymous})" for
1681         translation.
1682         * c-pretty-print.c (pp_c_ws_string): New.
1683         (pp_c_cv_qualifier, pp_c_type_specifier,
1684         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
1685         pp_c_storage_class_specifier, pp_c_function_specifier,
1686         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
1687         pp_c_primary_expression, pp_c_postfix_expression,
1688         pp_c_unary_expression, pp_c_shift_expression,
1689         pp_c_relational_expression, pp_c_equality_expression,
1690         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
1691         use pp_string and pp_c_ws_string in place of pp_identifier and
1692         pp_c_identifier for non-identifiers.  Mark English strings for
1693         translation.
1694         * c-pretty-print.h (pp_c_ws_string): Declare.
1695
1696 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
1697             Roland McGrath <roland@redhat.com>
1698
1699         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
1700         (ENABLE_LD_BUILDID): New configuration option.
1701         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
1702         (LINK_BUILDID_SPEC): New macro.
1703         (init_spec): If defined, prepend it between LINK_EH_SPEC and
1704         link_spec.
1705         * doc/install.texi: Document --enable-linker-build-id option.
1706         * configure: Rebuild.
1707         * config.in: Rebuild.
1708
1709 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
1710
1711         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
1712         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
1713         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
1714         MIPS_GP_SAVE_AREA_SIZE.
1715         * config/mips/mips.c (struct mips_frame_info): Update comment
1716         before arg_pointer_offset and hard_frame_pointer_offset.
1717         (mips_compute_frame_info): Update diagram before function: to
1718         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
1719         indicate the position of frame_pointer_rtx with -fstack-protector and
1720         to show args_size.  Don't allocate cprestore area for leaf functions
1721         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
1722         cprestore_size.
1723         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
1724
1725 2009-04-30  Michael Matz  <matz@suse.de>
1726
1727         PR tree-optimization/39955
1728         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
1729
1730 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
1731
1732         * ira.c (setup_cover_and_important_classes):  Use safe macro
1733         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
1734         directly.
1735         * genpreds.c (write_tm_preds_h):  Output suitable definition of
1736         REG_CLASS_FOR_CONSTRAINT.
1737
1738 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
1739
1740         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
1741         instead of an int.
1742         * bitmap.c (bitmap_descriptor): Likewise.
1743         * ggc-common.c (loc_descriptor): Likewise.
1744         * varray.c (varray_descriptor): Likewise.
1745         * vec.c (vec_descriptor): Likewise.
1746
1747 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1748
1749         * Makefile.in (dce.o): Add $(EXCEPT_H).
1750         * dce.c: Include except.h and delete redundant vector definitions.
1751         (deletable_insn_p): Return false for non-call insns that can throw
1752         if DF is running.
1753
1754 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1755
1756         * gcse.c (ae_gen): Remove.
1757         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
1758         and make non-static function to make it available in store-motion.c.
1759         Update call sites with search-and-replace.
1760         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
1761         extract_mentioned_regs, extract_mentioned_regs_helper,
1762         find_moveable_store, compute_store_table, load_kills_store, find_loads,
1763         store_killed_in_insn, store_killed_after, store_killed_before,
1764         build_store_vectors, insert_insn_start_basic_block, insert-store,
1765         remove_reachable_equiv_notes, replace_store_insn, delete_store,
1766         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
1767         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
1768         * store-motion.c: ...new file.  Also copy data structures from gcse.c
1769         and clean up to remove parts not used by store motion.
1770         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
1771         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
1772
1773 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1774
1775         PR target/38571
1776         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
1777         when optimizing for size.
1778
1779 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
1780
1781         * gcse.c (gcse_constant_p): Fix typo in last change.
1782
1783 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
1784
1785         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
1786
1787 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
1788
1789         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
1790
1791 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
1792
1793         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
1794         CONST_HIGH_PART result.
1795
1796 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
1797
1798         * config/avr/avr.c (initial_elimination_offset): Rename to
1799         avr_initial_elimination_offset.
1800         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
1801         change return type to bool.
1802         (avr_can_eliminate): New function.
1803         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
1804         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
1805         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
1806         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
1807         avr_initial_elimination_offset.
1808         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
1809         (avr_initial_elimination_offset): Define.
1810
1811 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
1812             Steven Bosscher  <steven@gcc.gnu.org>
1813
1814         PR rtl-optimization/39938
1815         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
1816         * cfgrtl.c: Include insn-attr.h.
1817         (rest_of_pass_free_cfg): New function.
1818         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
1819         * resource.c (init_resource_info): Remove call to df_analyze.
1820
1821 2009-04-29  Richard Guenther  <rguenther@suse.de>
1822
1823         PR target/39943
1824         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
1825         allow conversion to signed integers.
1826
1827 2009-04-29  Richard Guenther  <rguenther@suse.de>
1828
1829         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
1830         shifts of floating point vectors if the shift amount is
1831         a constant multiple of the element size.
1832
1833 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1834             Michael Matz  <matz@suse.de>
1835
1836         PR middle-end/39927
1837         PR bootstrap/39929
1838         * tree-outof-ssa.c (emit_partition_copy): New function.
1839         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
1840         insert_part_to_rtx_on_edge): Perform the partition base var
1841         copy using emit_partition_copy.
1842         (insert_value_copy_on_edge): Convert constants to the right mode.
1843         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
1844         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
1845
1846 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1847
1848         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
1849         scan backwards to try to find a constant to initialize it.
1850
1851         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
1852         insn before the loop_end instruction, don't look past labels.
1853
1854 2009-04-29  Richard Guenther  <rguenther@suse.de>
1855
1856         PR middle-end/39937
1857         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
1858         loose type conversions.
1859         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
1860         stmts only if there are no uses of its definition.
1861
1862 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1863
1864         * config/bfin/bfin.h (splitting_loops): Declare.
1865         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
1866         Reorder bit definitions to be ascending.
1867         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
1868         * config/bfin/bfin.c (splitting_loops): New variable.
1869         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
1870         (struct loop_info): Remove members INIT and LOOP_INIT.
1871         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
1872         the LSETUP sequence.  Allow LC to be loaded from any register, but
1873         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
1874         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
1875         set to 1.
1876         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
1877         of reload_completed.
1878
1879         From Jie Zhang:
1880         * config/bfin/bfin.md (movsi_insn): Refine constraints.
1881
1882 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
1883
1884         * Makefile.in (PLUGIN_VERSION_H): New.
1885         (OBJS-common): Remove plugin-version.o.
1886         (plugin.o): Depend on (PLUGIN_VERSION_H).
1887         (plugin-version.o): Remove.
1888         * configure: Regenerate
1889         * configure.ac: Create plugin-version.h.
1890         * gcc-plugin.h (plugin_gcc_version): Remove.
1891         (plugin_default_version_check): Change signature.
1892         * plugin-version.c: Remove.
1893         * plugin.c: Include plugin-version.h.
1894         (str_plugin_gcc_version_name): Remove.
1895         (try_init_one_plugin): Pass gcc version to plugin_init.
1896         (plugin_default_version_check): Both gcc and plugin versions are now
1897         arguments.
1898
1899 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1900
1901         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
1902         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
1903         Remove special case testing for last insn of inner loops. Don't fail
1904         if the loop ends with a jump, emit an extra nop instead.
1905
1906         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
1907         DREGS rather than comparing directly.  Remove code that tries to
1908         account for latencies.
1909
1910 2009-04-29  Richard Guenther  <rguenther@suse.de>
1911
1912         PR tree-optimization/39941
1913         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
1914         eliminating an indirect call.
1915
1916 2009-04-29  Richard Guenther  <rguenther@suse.de>
1917
1918         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
1919         parameter.  Allow invariants as base if !require_lvalue.
1920         (verify_gimple_assign_single): Adjust.
1921
1922 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1923
1924         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
1925         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
1926         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
1927         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
1928         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
1929         a VEC_SELECT.
1930         * config/bfin/bfin.c (bfin_expand_builtin,
1931         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
1932
1933 2009-04-28  Richard Guenther  <rguenther@suse.de>
1934
1935         * tree-vect-loop.c (get_initial_def_for_induction): Use
1936         correct types for pointer increment.
1937
1938 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1939
1940         * toplev.c (print_version): Update GMP version string calculation.
1941
1942 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1943
1944         PR rtl-optimization/39938
1945         * resource.c (init_resource_info): Add call to df_analyze.
1946
1947 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1948
1949         * config/alpha/alpha.md (usegp): Cast the result of
1950         alpha_find_lo_sum_using_gp to enum attr_usegp.
1951         * config/alpha/alpha.c (override_options): Remove end-of-structure
1952         marker element from cpu_table.  Use array size of cpu_table to handle
1953         -mcpu and -mtune options.
1954         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
1955
1956 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
1957
1958         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
1959         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
1960         tune_32 and tune_64.
1961         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
1962         support on PowerPC.
1963         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
1964         * config/rs6000/option-defaults.h: ... here.  New file.
1965         (OPT_64, OPT_32): Define.
1966         (MASK_64BIT): Define to 0 if not already defined.
1967         (OPT_ARCH64, OPT_ARCH32): Define.
1968         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
1969         and tune_64.
1970
1971 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1972
1973         * config/arm/arm.c (arm_override_options): Emit error on using
1974         fpa with AAPCS.
1975
1976 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1977
1978         PR rtl-optimization/39914
1979         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1980         registers for allocnos created from user-defined variables only
1981         when not optimizing.
1982
1983 2009-04-28  Richard Guenther  <rguenther@suse.de>
1984
1985         PR middle-end/39937
1986         * fold-const.c (fold_binary): Use distribute_real_division only
1987         on float types.
1988
1989 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
1990
1991         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
1992         add hpux-stdint.h to tm_file.
1993         (hppa[12]*-*-hpux11*): Ditto.
1994         (ia64*-*-hpux*): Ditto.
1995         * config/hpux-stdint.h: New.
1996         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
1997         __STDC_EXT__ for all compiles.
1998         * config/pa/pa-hpux.h: Ditto.
1999         * config/pa/pa-hpux10.h: Ditto.
2000         * config/pa/pa-hpux11.h: Ditto.
2001
2002 2009-04-28  Catherine Moore  <clm@codesourcery.com>
2003
2004         * debug.h (set_name): Add comment.
2005
2006 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
2007
2008         PR target/39929
2009         * config/darwin.c (machopic_gen_offset): Check
2010         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
2011         * config/arm/arm.c (require_pic_register): Likewise.
2012
2013 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
2014
2015         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
2016         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
2017         m32c_promote_prototypes): Delete.
2018
2019 2009-04-28  Michael Matz  <matz@suse.de>
2020
2021         PR middle-end/39922
2022         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
2023         constants.
2024
2025 2009-04-28  Richard Guenther  <rguenther@suse.de>
2026
2027         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
2028
2029 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2030
2031         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
2032         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
2033         * config/arm/arm-tune.md: Regenerate.
2034
2035 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
2036
2037         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
2038         block if there are complex incoming edges.
2039         (sel_merge_blocks): Remove useless assert.
2040         (sel_redirect_edge_and_branch): Check that edge was redirected.
2041         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
2042         (sel_find_rgns): Delete declaration.
2043         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
2044         the region when it is not a preheader.
2045
2046 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2047
2048         PR c/39323
2049         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
2050
2051 2009-04-28  Richard Guenther  <rguenther@suse.de>
2052
2053         * tree.h (SSA_NAME_VALUE): Remove.
2054         (struct tree_ssa_name): Remove value_handle member.
2055         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
2056         array for jump threading.
2057         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
2058         SSA_NAME_VALUEs.
2059         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
2060         * tree-flow.h (threadedge_initialize_values): Declare.
2061         (threadedge_finalize_values): Likewise.
2062         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
2063         (SSA_NAME_VALUE): Define.
2064         (threadedge_initialize_values): New function.
2065         (threadedge_finalize_values): Likewise.
2066         * tree-ssa-dom.c (ssa_name_values): New global variable.
2067         (SSA_NAME_VALUE): Define.
2068         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
2069
2070 2009-04-28  Ira Rosen  <irar@il.ibm.com>
2071
2072         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
2073         Use REPORT_VECTORIZED_LOCATIONS instead
2074         REPORT_VECTORIZED_LOOPS.
2075         * tree-vectorizer.c (vect_verbosity_level): Make static.
2076         (vect_loop_location): Rename to vect_location.
2077         (vect_set_verbosity_level): Update comment.
2078         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
2079         and vect_location.
2080         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
2081         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
2082         instead REPORT_UNVECTORIZED_LOOPS.
2083         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def and
2084         vect_loop_def to vect_external_def and vect_internal_def.
2085         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
2086         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and
2087         REPORT_UNVECTORIZED_LOCATIONS.
2088         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
2089         and vect_used_in_loop and to vect_unused_in_scope and
2090         vect_used_in_scope.
2091         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
2092         (vect_verbosity_level): Remove declaration.
2093         (vect_analyze_operations): Likewise.
2094         (vect_analyze_stmt): Declare.
2095         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
2096         REPORT_UNVECTORIZED_LOCATIONS.
2097         (vect_get_loop_niters): Fix indentation.
2098         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
2099         (vect_analyze_loop_operations): New function.
2100         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
2101         vect_analyze_operations.
2102         (vect_is_simple_reduction): Use new names.
2103         (vectorizable_live_operation, vect_transform_loop): Likewise.
2104         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value to
2105         specify whether the data references can be a part of interleaving chain.
2106         (vect_analyze_data_ref_dependence): Use new names.
2107         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
2108         (vect_create_addr_base_for_vector_ref): Remove redundant code.
2109         * tree-vect-patterns.c (widened_name_p): Use new names.
2110         (vect_recog_dot_prod_pattern): Likewise.
2111         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
2112         (process_use, vect_mark_stmts_to_be_vectorized,
2113         vect_model_simple_cost, vect_model_store_cost,
2114         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
2115         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2116         vectorizable_operation, vectorizable_type_demotion,
2117         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
2118         vectorizable_condition): Likewise.
2119         (vect_analyze_operations): Split into vect_analyze_loop_operations
2120         and ...
2121         (vect_analyze_stmt): ... new function.
2122         (new_stmt_vec_info): Use new names.
2123         (vect_is_simple_use): Use new names and fix comment.
2124         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
2125         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
2126
2127 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2128
2129         PR target/39911
2130         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
2131         and integer modes for x87 operands.  Do not ICE for unsupported size,
2132         generate error instead.  Generate error for unsupported operand types.
2133         ['z']: Do not handle HImode memory operands specially.  Warning
2134         for floating-point operands.  Fallthru to 'Z' for unsupported operand
2135         types.  Do not ICE for unsupported size, generate error instead.
2136         (output_387_binary_op): Use %Z to output operands.
2137         (output_fp_compare): Ditto.
2138         (output_387_reg_move): Ditto.
2139
2140 2009-04-28  Ben Elliston  <bje@au.ibm.com>
2141
2142         PR c++/35652
2143         Revert:
2144
2145         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2146
2147         * builtins.c (c_strlen): Do not warn here.
2148         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2149         * c-common.c (pointer_int_sum): Take an explicit location.
2150         Warn about offsets out of bounds.
2151         * c-common.h (pointer_int_sum): Adjust declaration.
2152
2153 2009-04-27  Ian Lance Taylor  <iant@google.com>
2154
2155         * collect2.c (is_ctor_dtor): Change type of ret field in struct
2156         names to symkind.
2157         * dce.c (run_fast_df_dce): Change type of old_flags to int.
2158         * df-core.c (df_set_flags): Change return type to int.  Change
2159         type of old_flags to int.
2160         (df_clear_flags): Likewise.
2161         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
2162         (df_get_conditional_uses): Likewise.
2163         * df.h (df_set_flags, df_clear_flags): Update declarations.
2164         * dwarf2out.c (struct indirect_string_node): Change type of form
2165         field to enum dwarf_form.
2166         (AT_string_form): Change return type to enum dwarf_form.
2167         * fixed-value.c (fixed_compare): Add cast to enum type.
2168         * fwprop.c (update_df): Change 0 to VOIDmode.
2169         * gensupport.c: Change 0 to UNKNOWN.
2170         * gimple.h (gimple_cond_code): Add cast to enum type.
2171         * haifa-sched.c (reemit_notes): Add cast to enum type.
2172         * hooks.c (hook_int_void_no_regs): Remove function.
2173         * hooks.h (hook_int_void_no_regs): Remove declaration.
2174         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
2175         * predict.c (combine_predictions_for_insn): Add casts to enum type.
2176         * real.c (real_arithmetic): Add cast to enum type.
2177         (real_compare): Likewise.
2178         * target.h (struct gcc_target): Change return type of
2179         branch_target_register_class to enum reg_class.
2180         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
2181         default_branch_target_register_class.
2182         * targhooks.c (default_branch_target_register_class): New function.
2183         * targhooks.h (default_branch_target_register_class): Declare.
2184         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
2185         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
2186         cast to int.
2187         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
2188         ERROR_MARK.
2189         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
2190         vect_uninitialized_def.  Change 0 to ERROR_MARK.
2191         * tree-vect-stmts.c (supportable_widening_operation): Don't
2192         initialize icode1 and icode2.
2193         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
2194         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
2195         and to STD_C89.
2196         (cmn_err_flag_specs): Change 0 to STD_C89.
2197         (cmn_err_char_table): Likewise.
2198         * config/arm/arm.c (get_arm_condition_code): Change type of code
2199         to enum arm_cond_code.
2200         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
2201         (IWMMXT_BUILTIN2): Likewise.
2202         (neon_builtin_type_bits): Don't define typedef.
2203         (neon_builtin_datum): Change type of bits field to int.
2204         (arm_expand_neon_args): Add cast to enum type.
2205         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
2206         TLS_MODEL_NONE.
2207         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
2208         casts to enum type.
2209         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
2210         MIPS_FP_COND_f.
2211         * config/mips/mips.md (jal_macro): Return enum constant.
2212         (single_insn): Likewise.
2213         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
2214         CODE_FOR_nothing.
2215         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2216         casts to enum type.
2217         * config/s390/s390.c (s390_tune_flags): Change type to int.
2218         (s390_arch_flags): Likewise.
2219         (s390_handle_arch_option): Change flags field of struct pta to int.
2220         * config/s390/s390.h (s390_tune_flags): Update declaration.
2221         (s390_arch_flags): Likewise.
2222         * config/sh/sh.c (prepare_move_operands): Compare
2223         tls_symbolic_operand result with enum constant.
2224         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
2225         (sh_expand_prologue): Add cast to enum type.
2226         (sh_expand_epilogue): Likewise.
2227         (tls_symbolic_operand): Change return type to enum tls_model.
2228         (fpscr_set_from_mem): Add cast to enum type.
2229         (legitimize_pic_address): Compare tls_symbolic_operand result with
2230         enum constant.
2231         (sh_target_reg_class): Change return type to enum reg_class.
2232         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
2233         PROCESSOR_xxx.
2234         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
2235         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
2236         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
2237         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
2238         (delayed_branch, tls_call_delay): Likewise.
2239         (eligible_for_sibcall_delay): Likewise.
2240         (eligible_for_return_delay): Likewise.
2241         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
2242         (spu_expand_builtin_1): Likewise.
2243
2244         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
2245         for all types of conversions.
2246         (output_init_element): Issue -Wc++-compat warning if needed when
2247         initializing a bitfield with enum type.
2248         * c-parser.c (c_parser_expression): Set original_type to
2249         original_type of right hand operand of comman operator.
2250
2251 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2252
2253         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
2254         grammar nits.
2255         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
2256         * doc/cpp.texi (Standard Predefined Macros)
2257         (Implementation-defined behavior): Likewise.
2258         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
2259         * doc/gimple.texi (GIMPLE Exception Handling)
2260         (@code{GIMPLE_ASSIGN}): Likewise.
2261         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
2262         * doc/invoke.texi (Warning Options, Optimize Options)
2263         (AVR Options, Darwin Options): Likewise.
2264         (Optimize Options): Reformulate -fwhole-program description.
2265         * doc/loop.texi (Lambda): Likewise.
2266         * doc/md.texi (Output Template, Define Constraints)
2267         (Standard Names, Insn Splitting): Likewise.
2268         * doc/options.texi (Option properties): Likewise.
2269         * doc/passes.texi (Tree-SSA passes): Likewise.
2270         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
2271         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
2272         (File Names and DBX): Likewise.
2273         * doc/trouble.texi (Incompatibilities): Likewise.
2274
2275 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2276
2277         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
2278         instruction is correct.
2279
2280 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2281
2282         Allow non-constant arguments to conversion intrinsics.
2283         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
2284         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
2285         * spu.c (print_operand): Handle 'v' and 'w'.
2286         (exp2_immediate_p, spu_gen_exp2): Define.
2287         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
2288         spu_convtf_1): Update parameter descriptions.
2289         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
2290         * constraints.md ('v', 'w'): New.
2291         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
2292         Remove.
2293         (i2f, I2F): New define_mode_attr.
2294         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
2295         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
2296         fixuns_truncv4sfv4si2):  Update to use mode attribute.
2297         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
2298         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
2299         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
2300         patterns for combine.
2301
2302 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
2303
2304         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
2305         (cprop, hoist, pre, store_motion): New debug counters.
2306         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
2307         is not an RTL pass anymore.
2308         (pass_profiling): Remove extern decl for pass removed in 2005.
2309         (pass_gcse, pass_jump_bypass): Remove.
2310         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
2311         to 0 for clean state.
2312         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
2313         * cse.c (gate_handle_cse_after_global_opts,
2314         rest_of_handle_cse_after_global_opts): New functions.
2315         (pass_cse_after_global_opts): New pass, does local CSE.
2316         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
2317         (TV_CPROP): New timevar.
2318         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
2319         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
2320         (gcse_main, recompute_all_luids): Remove.
2321         (compute_hash_table_work): Call max_reg_num instead of reading
2322         max_gcse_regno.
2323         (cprop_jump): Don't set run_jump_opt_after_gcse.
2324         (constprop_register): Always allow to alter jumps.
2325         (cprop_insn): Likewise.
2326         (do_local_cprop): Likewise.
2327         (local_cprop_pass): Likewise.  Return non-zero if something changed.
2328         (cprop): Remove function, fold interesting bits into one_cprop_pass.
2329         (find_implicit_sets): Add note about missed optimization opportunity.
2330         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
2331         pass_rtl_cprop execute function.
2332         Don't bother tracking the pass number, each pass gets its own dumpfile
2333         now anyway.
2334         Always allow to alter jumpsand bypass jumps.
2335         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
2336         will just find no suitable set.
2337         (pre_edge_insert): Fix dumping, this function is for PRE only.
2338         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
2339         pass_rtl_pre execute function.
2340         (hoist_code): Return non-zero if something changed.  Keep track of
2341         substitutions and insertions for statistics gathering similar to PRE.
2342         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
2343         called from the pass_rtl_hoist execute function.  Show pass statistics.
2344         (compute_store_table): Use max_reg_num directly instead of using the
2345         formerly global max_gcse_regno.
2346         (build_store_vectors): Likewise.
2347         (replace_store_insn): Fix dumping.
2348         (store_motion): Rename to ...
2349         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
2350         pass, called from the pass_rtl_store_motion execute function.  Keep
2351         track of substitutions and insertions for statistics gathering similar
2352         to PRE.
2353         (bypass_jumps): Remove, fold interesting bits into ...
2354         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
2355         from the pass_rtl_cprop execute function.
2356         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
2357         pass_jump_bypass): Remove.
2358         (gate_handle_gcse, rest_of_handle_gcse): Remove.
2359         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
2360         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
2361         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
2362         (gate_rtl_store_motion, execute_rtl_store_motion,
2363         pass_rtl_store_motion): New.
2364         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
2365         make it clear that -fcse-skip-blocks is a no-op for backward compat.
2366         * passes.c (init_optimization_passes): Remove pass_gcse and
2367         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
2368         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
2369         instead of pass_jump_bypass.
2370
2371 2009-04-27  Richard Guenther  <rguenther@suse.de>
2372
2373         PR middle-end/39928
2374         * gimplify.c (gimplify_expr): If we are required to create
2375         a temporary make sure it ends up as register.
2376
2377 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2378
2379         PR target/39903
2380         * config/i386/i386.c (construct_container): Don't call
2381         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
2382         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
2383
2384 2009-04-27  Michael Matz  <matz@suse.de>
2385
2386         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
2387         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
2388         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
2389         (dump_replaceable_exprs): Take a bitmap.
2390         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
2391         array.
2392         (expand_gimple_basic_block): Likewise.
2393         * tree-ssa-ter.c (struct temp_expr_table_d): Make
2394         replaceable_expressions member a bitmap.
2395         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
2396         (mark_replaceable): Likewise.
2397         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
2398         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
2399
2400 2009-04-27  Richard Guenther  <rguenther@suse.de>
2401
2402         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
2403         (verify_stmts): Dispatch to gimple/type verification code.
2404         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
2405         issue with call argument types.
2406
2407 2009-04-27  Michael Matz  <matz@suse.de>
2408
2409         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
2410         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
2411         to above.
2412
2413 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
2414             Eric Botcazou  <ebotcazou@adacore.com>
2415
2416         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
2417         a label's basic block.
2418         (mark_target_live_regs): Tidy and rework obsolete comments.
2419         Change back DF problem to LIVE.  If a label starts a basic block,
2420         assume that all registers that used to be live then still are.
2421         (init_resource_info): If a label starts a basic block, set its
2422         BLOCK_FOR_INSN accordingly.
2423         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
2424
2425 2009-04-27  Richard Guenther  <rguenther@suse.de>
2426
2427         * tree-flow-inline.h (function_ann): Remove.
2428         (get_function_ann): Likewise.
2429         * tree-dfa.c (create_function_ann): Remove.
2430         * tree-flow.h (struct static_var_ann_d): Remove.
2431         (struct function_ann_d): Likewise.
2432         (union tree_ann_d): Remove fdecl member.
2433         (function_ann_t): Remove.
2434         (function_ann, get_function_ann, create_function_ann): Remove
2435         declarations.
2436
2437 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
2438
2439         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
2440
2441 2009-04-27  Jan Hubicka  <jh@suse.cz>
2442
2443         * ipa-pure-const.c (struct funct_state_d): New fields
2444         state_previously_known, looping_previously_known; remove
2445         state_set_in_source.
2446         (analyze_function): Use new fields.
2447         (propagate): Avoid assumption that state_set_in_source imply
2448         nonlooping.
2449
2450         * tree-ssa-loop-niter.c (finite_loop_p): New function.
2451         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
2452         * cfgloop.h (finite_loop_p): Declare.
2453
2454 2009-04-26  Michael Matz  <matz@suse.de>
2455
2456         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
2457
2458 2009-04-26  Michael Matz  <matz@suse.de>
2459
2460         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
2461         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
2462         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
2463         pass_mark_used_blocks): Remove.
2464         * tree-optimize.c (pass_free_datastructures,
2465         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
2466         * passes.c (init_optimization_passes): Don't call
2467         pass_mark_used_blocks, remove dead code.
2468
2469 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
2470
2471         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
2472         * tree-ssa-live.h (register_ssa_partition): Likewise.
2473
2474 2009-04-26  Michael Matz  <matz@suse.de>
2475
2476         Expand from SSA.
2477         * builtins.c (fold_builtin_next_arg): Handle SSA names.
2478         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
2479         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
2480         SSA names.
2481         (compare_pairs): Swap cost comparison.
2482         (coalesce_ssa_name): Don't use change_partition_var.
2483         * tree-nrv.c (struct nrv_data): Add modified member.
2484         (finalize_nrv_r): Set it.
2485         (tree_nrv): Use it to update statements.
2486         (pass_nrv): Require PROP_ssa.
2487         * tree-mudflap.c (mf_decl_cache_locals,
2488         mf_build_check_statement_for): Use make_rename_temp.
2489         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
2490         * alias.c (find_base_decl): Handle SSA names.
2491         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
2492         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
2493         * rtl.h (set_reg_attrs_for_parm): Declare.
2494         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
2495         to "optimized", remove unused locals at finish.
2496         (execute_free_datastructures): Make global, call
2497         delete_tree_cfg_annotations.
2498         (execute_free_cfg_annotations): Don't call
2499         delete_tree_cfg_annotations.
2500
2501         * ssaexpand.h: New file.
2502         * expr.c (toplevel): Include ssaexpand.h.
2503         (expand_assignment): Handle SSA names the same as register variables.
2504         (expand_expr_real_1): Expand SSA names.
2505         * cfgexpand.c (toplevel): Include ssaexpand.h.
2506         (SA): New global variable.
2507         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
2508         (SSAVAR): New macro.
2509         (set_rtl): New helper function.
2510         (add_stack_var): Deal with SSA names, use set_rtl.
2511         (expand_one_stack_var_at): Likewise.
2512         (expand_one_stack_var): Deal with SSA names.
2513         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
2514         before unique numbers.
2515         (expand_stack_vars): Use set_rtl.
2516         (expand_one_var): Accept SSA names, add asserts for them, feed them
2517         to above subroutines.
2518         (expand_used_vars): Expand all partitions (without default defs),
2519         then only the local decls (ignoring those expanded already).
2520         (expand_gimple_cond): Remove edges when jumpif() expands an
2521         unconditional jump.
2522         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
2523         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
2524         SSA name.
2525         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
2526         members of SA; deal with PARM_DECL partitions here; expand
2527         all PHI nodes, free tree datastructures and SA.  Commit instructions
2528         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
2529         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
2530         info and statements at start, collect garbage at finish.
2531         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
2532         (VAR_ANN_PARTITION) Remove.
2533         (change_partition_var): Don't declare.
2534         (partition_to_var): Always return SSA names.
2535         (var_to_partition): Only accept SSA names.
2536         (register_ssa_partition): Only check argument.
2537         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
2538         member.
2539         (delete_var_map): Don't free it.
2540         (var_union): Only accept SSA names, simplify.
2541         (partition_view_init): Mark only useful SSA names as used.
2542         (partition_view_fini): Only deal with SSA names.
2543         (change_partition_var): Remove.
2544         (dump_var_map): Use ssa_name instead of partition_to_var member.
2545         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
2546         basic blocks.
2547         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
2548         (struct _elim_graph): New member const_dests; nodes member vector of
2549         ints.
2550         (set_location_for_edge): New static helper.
2551         (create_temp): Remove.
2552         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
2553         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
2554         (new_elim_graph): Allocate const_dests member.
2555         (clean_elim_graph): Truncate const_dests member.
2556         (delete_elim_graph): Free const_dests member.
2557         (elim_graph_size): Adapt to new type of nodes member.
2558         (elim_graph_add_node): Likewise.
2559         (eliminate_name): Likewise.
2560         (eliminate_build): Don't take basic block argument, deal only with
2561         partition numbers, not variables.
2562         (get_temp_reg): New static helper.
2563         (elim_create): Use it, deal with RTL temporaries instead of trees.
2564         (eliminate_phi): Adjust all calls to new signature.
2565         (assign_vars, replace_use_variable, replace_def_variable): Remove.
2566         (rewrite_trees): Only do checking.
2567         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
2568         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
2569         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
2570         contains_tree_r, MAX_STMTS_IN_LATCH,
2571         process_single_block_loop_latch, analyze_edges_for_bb,
2572         perform_edge_inserts): Remove.
2573         (expand_phi_nodes): New global function.
2574         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
2575         functions, initialize new parameter, remember partitions having a
2576         default def.
2577         (finish_out_of_ssa): New global function.
2578         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
2579         don't reset in_ssa_p here, don't disable TER when mudflap.
2580         (pass_del_ssa): Remove.
2581         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
2582         partition members.
2583         (execute_free_datastructures): Declare.
2584         * Makefile.in (SSAEXPAND_H): New variable.
2585         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
2586         * basic-block.h (commit_one_edge_insertion): Declare.
2587         * passes.c (init_optimization_passes): Move pass_nrv and
2588         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
2589         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
2590         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
2591         (redirect_branch_edge): Deal with super block when expanding, split
2592         out jump patching itself into ...
2593         (patch_jump_insn): ... here, new static helper.
2594
2595 2009-04-26  Michael Matz  <matz@suse.de>
2596
2597         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
2598         beyond num_ssa_names.
2599         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
2600         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
2601
2602 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
2603
2604         PR inline-asm/39543
2605         * fwprop.c (forward_propagate_asm): New function.
2606         (forward_propagate_and_simplify): Propagate also into __asm, if it
2607         doesn't increase the number of referenced registers.
2608
2609         PR c/39889
2610         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
2611
2612 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
2613
2614         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
2615         note_nonlocal_vla_type for nonlocal VLAs.
2616         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
2617         contains_remapped_vars, remap_vla_decls): New functions.
2618         (convert_nonlocal_reference_stmt): If not optimizing, call
2619         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
2620         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
2621         if it wasn't found in var_map.
2622         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
2623         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
2624         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
2625         declare_vars.
2626         * gimplify.c (nonlocal_vlas): New variable.
2627         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
2628         referenced VLAs.
2629         (gimplify_body): Create and destroy nonlocal_vlas.
2630
2631         * dwarf2out.c (loc_descr_plus_const): New function.
2632         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
2633         mem_loc_descriptor, loc_descriptor_from_tree_1,
2634         descr_info_loc, gen_variable_die): Use it.
2635
2636         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
2637         !TREE_STATIC VAR_DECLs.
2638         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
2639         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
2640         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
2641         DECL_BY_REFERENCE is valid.
2642         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
2643         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
2644         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
2645         Copy DECL_BY_REFERENCE.
2646         (struct nesting_copy_body_data): New type.
2647         (nesting_copy_decl): New function.
2648         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
2649         if they have variable length.
2650
2651 2009-04-26  Michael Matz  <matz@suse.de>
2652
2653         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
2654         mark new temporaries for renaming.
2655
2656 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
2657
2658         PR c/39581
2659         * c-decl.c (global_bindings_p): Return negative value.
2660         (c_variable_size): New.  Based on variable_size from
2661         stor-layout.c.
2662         (grokdeclarator): Call c_variable_size not variable_size.
2663
2664 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
2665
2666         * config/i386/i386.c (print_operand) ['z']: Fix typo.
2667
2668 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
2669
2670         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
2671         Redefine it to just use mingw/include.
2672         (ASM_SPEC): Rules for -m32 and -m64.
2673         (LINK_SPEC): Use Likewise.
2674         (SPEC_32): New define.
2675         (SPEC_64): Likewise.
2676         (SUB_LINK_SPEC): Likewise.
2677         (MULTILIB_DEFAULTS): New define.
2678         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
2679         Add multilib options.
2680         (MULTILIB_DIRNAMES): Likewise.
2681         (MULTILIB_OSDIRNAMES): Likewise.
2682         (LIBGCC): Likewise.
2683         (INSTALL_LIBGCC): Likewise.
2684
2685 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
2686
2687         PR c/39556
2688         * c-tree.h (enum c_inline_static_type): New.
2689         (record_inline_static): Declare.
2690         * c-decl.c (struct c_inline_static, c_inline_statics,
2691         record_inline_static, check_inline_statics): New.
2692         (pop_file_scope): Call check_inline_statics.
2693         (start_decl): Call record_inline_static instead of pedwarning
2694         directly for static in inline function.
2695         * c-typeck.c (build_external_ref): Call record_inline_static
2696         instead of pedwarning directly for static referenced in inline
2697         function.
2698
2699 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
2700
2701         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
2702         not new but only being rescanned.
2703         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
2704         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
2705         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
2706         record_set_info, compute_set, grealloc): Remove.
2707         (recompute_all_luids): New function.
2708         (gcse_main): Don't compute sets, and don't do related memory
2709         allocations/free-ing.  If something changed before the end of the
2710         pass, update LUIDs using recompute_all_luids.
2711         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
2712         (free_gcse_mem): Don't free it either.
2713         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
2714         Use the df insn LUIDs.
2715         (load_killed_in_block): Likewise.
2716         (compute_hash_table_work): Don't compute reg_set_in_block.
2717         (compute_transp): Use DF_REG_DEF_CHAINs.
2718         (local_cprop_pass): Don't use compute_sets and related functions.
2719         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
2720         Use get_max_uid() instead of max_cuid.
2721         (insert_insn_end_basic_block, pre_insert_copy_insn,
2722         update_ld_motion_stores): Don't try to
2723         keep reg_set tables up to date.
2724         (pre_insert_copies): Use df insn LUIDs.
2725         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
2726         (reg_set_info): Don't use extra bitmap argument.
2727         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
2728         information to compute regs_set_in_block.
2729         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
2730         (bypass_jumps): Don't use compute_sets and friends.
2731
2732 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2733
2734         PR testsuite/39710
2735         * opts.c (undocumented_msg): Do not leave blank even with
2736         ENABLE_CHECKING.
2737
2738 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2739
2740         * c-decl.c (build_enumerator): Allow values folding to integer
2741         constants but not integer constant expressions with a pedwarn if
2742         pedantic.
2743
2744 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2745
2746         PR c/39582
2747         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
2748         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
2749         type is an integer constant.
2750
2751 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
2752
2753         PR target/39897
2754         * config/i386/i386.c (print_operand) ['z']: Revert handling of
2755         HImode operands.
2756
2757 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2758
2759         PR c/39564
2760         * c-decl.c (grokdeclarator): Diagnose declarations of functions
2761         with variably modified return type and no storage class
2762         specifiers, except for the case of nested functions.  Distinguish
2763         extern declarations of functions with variably modified return
2764         types from those of objects with variably modified types.
2765
2766 2009-04-25  Jan Hubicka  <jh@suse.cz>
2767
2768         * tree.c (list_equal_p): New function.
2769         * tree.h (list_equal_p): Declare.
2770         * coretypes.h (edge_def, edge, const_edge, basic_block_def
2771         basic_block_def, basic_block, const_basic_block): New.
2772         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
2773         (redirect_eh_edge): New function.
2774         (make_eh_edge_update_phi): EH edges are not abnormal.
2775         * except.c: Include tree-flow.h.
2776         (list_match): New function.
2777         (eh_region_replaceable_by_p): New function.
2778         (replace_region): New function.
2779         (hash_type_list): New function.
2780         (hash_eh_region): New function.
2781         (eh_regions_equal_p): New function.
2782         (merge_peers): New function.
2783         (remove_unreachable_regions): Verify EH tree when checking;
2784         merge peers.
2785         (copy_eh_region_1): New function.
2786         (copy_eh_region): New function.
2787         (push_reachable_handler): New function.
2788         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
2789         regions without label but with live RESX.
2790         * except.h (redirect_eh_edge_to_label): New.
2791         * tree-flow.h (redirect_eh_edge): New.
2792         * coretypes.h (edge_def, edge, const_edge, basic_block_def
2793         basic_block_def, basic_block, const_basic_block): Remove.
2794         * Makefile.in (except.o): Add dependency on tree-flow.h
2795         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
2796         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
2797         Remove.
2798
2799 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
2800
2801         PR bootstrap/39645
2802         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
2803         on the destination of memcpy.
2804
2805 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
2806
2807         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
2808         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
2809         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
2810
2811 2009-04-25  Jan Hubicka  <jh@suse.cz>
2812
2813         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
2814         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
2815         to be reached by different label than left.
2816         (update_eh_edges): Update comment; remove edge_to_remove if possible
2817         and return true if suceeded.
2818         (cleanup_empty_eh): Accept sharing map; handle shared regions.
2819         (cleanup_eh): Compute sharing map.
2820         * except.c (remove_eh_handler_and_replace): Add argument if we should
2821         update regions.
2822         (remove_unreachable_regions): Update for label sharing.
2823         (label_to_region_map): Likewise.
2824         (get_next_region_sharing_label): New function.
2825         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
2826         prev_try pointers.
2827         (remove_eh_handler): Update.
2828         (remove_eh_region_and_replace_by_outer_of): New function.
2829         * except.h (struct eh_region): Add next_region_sharing_label.
2830         (remove_eh_region_and_replace_by_outer_of,
2831         get_next_region_sharing_label): Declare.
2832         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
2833
2834 2009-04-25  Jan Hubicka  <jh@suse.cz>
2835
2836         * tree-cfg.c (split_critical_edges): Split also edges where we can't
2837         insert code even if they are not critical.
2838
2839 2009-04-25  Jan Hubicka  <jh@suse.cz>
2840
2841         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2842         (gimple_can_remove_branch_p): EH edges won't remove branch by
2843         redirection.
2844         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
2845         updating of non-abnormal EH edges.
2846         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2847         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
2848         (split_critical_edges): Split also edges where emitting code on them
2849         will lead to splitting later.
2850
2851 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
2852             H.J. Lu  <hongjiu.lu@intel.com>
2853
2854         PR target/39590
2855         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
2856         the configured assembler supports fildq and fistpq mnemonics.
2857         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
2858         * configure: Regenerated.
2859         * config.in: Ditto.
2860
2861         * config/i386/i386.c (print_operand): Handle 'Z'.
2862         ['z']: Remove handling of special fild/fist suffixes.
2863         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
2864         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
2865         suffix of fild insn.
2866         (*floatsi<mode>2_vector_mixed): Ditto.
2867         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
2868         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
2869         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2870         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
2871         * config/i386/gas.h (GAS_MNEMONICS): Remove.
2872
2873 2009-04-25  Ben Elliston  <bje@au.ibm.com>
2874
2875         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
2876         the source of a set operation.
2877
2878 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
2879
2880         * target.h (struct gcc_target): Add case_values_threshold field.
2881         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
2882         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
2883         * targhooks.c (default_case_values_threshold): New function.
2884         * targhooks.h (default_case_values_threshold): Declare function.
2885         * stmt.c (expand_case): Use case_values_threshold target hook.
2886         * expr.h (case_values_threshold): Remove declartation.
2887         * expr.c (case_values_threshold): Remove function.
2888         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
2889
2890         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
2891         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
2892         (avr_case_values_threshold): Declare as static.
2893         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
2894
2895         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
2896         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
2897         (mn10300_case_values_threshold): New function.
2898
2899 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
2900
2901         * ira.c (setup_cover_and_important_classes): Add enum cast.
2902
2903 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
2904
2905         * genpreds.c (write_enum_constraint_num): Output definition of
2906         CONSTRAINT_NUM_DEFINED_P macro.
2907         * ira.c (setup_cover_and_important_classes): Use
2908         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
2909
2910 2009-04-24  DJ Delorie  <dj@redhat.com>
2911
2912         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
2913         __SH2A_SINGLE_ONLY__ also.
2914
2915 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
2916
2917         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
2918         (movdf_internal): Ditto.
2919         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
2920         SFmode and DFmode constants.
2921         (ia64_print_operand): Add 'G' format for printing
2922         floating point constants.
2923
2924 2009-04-24  Richard Guenther  <rguenther@suse.de>
2925
2926         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
2927         from unsigned additions.
2928
2929 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
2930
2931         * c-typeck.c (set_init_index): Allow array designators that are
2932         not integer constant expressions with a pedwarn if pedantic.
2933
2934 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2935
2936         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
2937         zero if no overlap in nonzero bits between the operands.
2938
2939 2009-04-24  Ian Lance Taylor  <iant@google.com>
2940
2941         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
2942         (record_dead_and_set_regs): Likewise.
2943         * df.h (struct df_mw_hardreg): Change flags field to int.
2944         (struct df_base_ref): Likewise.
2945         (struct df): Change changeable_flags field to int.
2946         * df-scan.c (df_defs_record): Change clobber_flags to int.
2947         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
2948         constants rather than #define macros.
2949         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
2950         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
2951         (enum dwarf_calling_convention): Likewise.
2952         (enum dwarf_line_number_x_ops): Likewise.
2953         (enum dwarf_call_frame_info): Likewise.
2954         (enum dwarf_source_language): Likewise.
2955         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
2956         (add_calling_convention_attribute): Likewise.
2957         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
2958         (combine_comparisons): Change compcode to int.  Add cast to enum type.
2959         * genrecog.c (maybe_both_true_2): Change c to int.
2960         (write_switch): Likewise.  Add cast to enum type.
2961         * gimplify.c (gimplify_omp_for): Handle return values from
2962         gimplify_expr using MIN rather than bitwise or.
2963         (gimplify_expr): Add cast to enum type.
2964         * ipa-prop.c (update_jump_functions_after_inlining): Change
2965         IPA_BOTTOM to IPA_JF_UNKNOWN.
2966         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
2967         Add casts to enum type.
2968         (setup_cover_and_important_classes): Change cl to int.  Add casts
2969         to enum type.
2970         (setup_class_translate): Change cl and mode to int.
2971         (ira_init_once): Change mode to int.
2972         (free_register_move_costs): Likewise.
2973         (setup_prohibited_mode_move_regs): Add casts to enum type.
2974         * langhooks.c (add_builtin_function_common): Rework assertion that
2975         value fits bitfield.
2976         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
2977         * omega.c (omega_do_elimination): Avoid math on enum types.
2978         * optabs.c (expand_vec_shift_expr): Remove casts to int.
2979         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
2980         int local to handle integral_argment value.
2981         * regmove.c (try_auto_increment): Change PUT_MODE to
2982         PUT_REG_NOTE_KIND.
2983         * reload.c (push_secondary_reload): Add casts to enum type.
2984         (secondary_reload_class, find_valid_class): Likewise.
2985         * reload1.c (emit_input_reload_insns): Likewise.
2986         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
2987         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
2988         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
2989         constant.
2990         * tree.c (build_common_builtin_nodes): Add casts to enum type.
2991         * tree-complex.c (complex_lattice_t): Typedef to int rather than
2992         enum type.
2993         (expand_complex_libcall): Add casts to enum type.
2994         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
2995         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
2996         with ERROR_MARK, not NUM_TREE_CODES.
2997         (vect_create_epilog_for_reduction): Likewise.
2998         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
2999         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
3000         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
3001         enum machine_mode.
3002         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
3003         vect_unused_in_loop.  Change 0 to loop_vect.
3004         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
3005         * var-tracking.c (get_init_value): Change return type to enum
3006         var_init_status.
3007         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
3008         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
3009         arm_fp_model.
3010         (arm_override_options): Add casts to enum type.
3011         (arm_emit_tls_decoration): Likewise.
3012         * config/i386/i386.c (ix86_function_specific_restore): Add casts
3013         to enum type.
3014         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
3015         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
3016         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
3017         enum type.
3018         * config/s390/s390.c (code_for_builtin_64): Change to array of
3019         enum insn_code.
3020         (code_for_builtin_31): Likewise.
3021         (s390_expand_builtin): Change code_for_builtin to enum insn_code
3022         const *.
3023         * config/sparc/sparc.c (sparc_override_options): Change value
3024         field in struct code_model to enum cmodel.  In initializer change
3025         0 to NULL and add cast to enum type.
3026
3027         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
3028         Change all callers.  Issue a -Wc++-compat warning using
3029         lhs_origtype if necessary.
3030         (convert_for_assignment): Issue -Wc++-compat warnings about
3031         invalid conversions to enum type on assignment.
3032         * c-common.h (build_modify_expr): Update declaration.
3033
3034 2009-04-24  Nick Clifton  <nickc@redhat.com>
3035
3036         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
3037         (function_arg_advance): Likewise.
3038         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
3039         5th alternative.
3040
3041 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3042
3043         * config/s390/constraints.md ('I', 'J'): Fix condition.
3044
3045 2009-04-24  Diego Novillo  <dnovillo@google.com>
3046
3047         * gengtype-parse.c (parse_error): Add newline after message.
3048
3049 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3050
3051         * config/i386/sse.md (avxmodesuffixs): Removed.
3052         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
3053         (*avx_pinsr<ssevecsize>): This.
3054
3055 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3056
3057         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
3058         follow chains of regs with a single definition, and allow expressions
3059         that are function_invariant_p.
3060         (simple_rhs_p): Allow expressions that are function_invariant_p.
3061
3062 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
3063
3064         PR middle-end/39867
3065         * fold-const.c (fold_cond_expr_with_comparison): When folding
3066         > and >= to MAX, make sure the MAX uses the same type as the
3067         comparison's operands.
3068
3069 2009-04-24  Nick Clifton  <nickc@redhat.com>
3070
3071         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
3072         addressing for DImode accesses.
3073         (frv_print_operand_address): Handle PLUS case.
3074         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
3075
3076 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
3077
3078         PR rtl-optimization/39794
3079         * alias.c (canon_true_dependence): Add x_addr argument.
3080         * rtl.h (canon_true_dependence): Adjust prototype.
3081         * cse.c (check_dependence): Adjust canon_true_dependence callers.
3082         * cselib.c (cselib_invalidate_mem): Likewise.
3083         * gcse.c (compute_transp): Likewise.
3084         * dse.c (scan_reads_nospill): Likewise.
3085         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
3086         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
3087         canon_base_addr of the group, plus optional offset.
3088         (struct group_info): Rename canon_base_mem to
3089         canon_base_addr.
3090         (get_group_info): Set canon_base_addr to canon_rtx of base, not
3091         canon_rtx of base_mem.
3092
3093 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
3094
3095         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
3096         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
3097
3098 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3099
3100         * config/spu/spu-builtins.h: Delete file.
3101
3102         * config/spu/spu.h (enum spu_builtin_type): Move here from
3103         spu-builtins.h.
3104         (struct spu_builtin_description): Likewise.  Add GTY marker.
3105         Do not use enum spu_function_code or enum insn_code.
3106         (spu_builtins): Add extern declaration.
3107
3108         * config/spu/spu.c: Do not include "spu-builtins.h".
3109         (enum spu_function_code, enum spu_builtin_type_index,
3110         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
3111         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
3112         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
3113         unsigned_V2DI_type_node): Move here from spu-builtins.h.
3114         (spu_builtin_types): Make static.  Add GTY marker.
3115         (spu_builtins): Add extern declaration with GTY marker.
3116         Include "gt-spu.h".
3117
3118         * config/spu/spu-c.c: Do not include "spu-builtins.h".
3119         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
3120         Check programmatically whether all parameters are scalar.
3121
3122         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
3123
3124 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3125
3126         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
3127         assignment from the constructor either if the target is volatile.
3128
3129 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
3130
3131         * config/arm/arm.md (insv): Do not share operands[0].
3132
3133 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3134
3135         * config/vxlib-tls.c (active_tls_threads): Delete.
3136         (delete_hook_installed): New.
3137         (tls_delete_hook): Don't delete the delete hook.
3138         (tls_destructor): Delete it here.
3139         (__gthread_set_specific): Adjust installing the delete hook.
3140         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
3141         __gthread_leave_tsd_dtor_context.
3142
3143 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
3144
3145         * c-format.c (gcc_tdiag_char_table): Add support for %E.
3146
3147 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
3148
3149         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
3150         enum type.
3151         (alpha_rtx_costs): Ditto.
3152         (emit_unlikely_jump): Use add_reg_note.
3153         (emit_frame_store_1): Ditto.
3154         (alpha_expand_prologue): Ditto.
3155         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3156         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
3157
3158 2009-04-23  Nick Clifton  <nickc@redhat.com>
3159
3160         * config/v850/v850.md (epilogue): Remove suppressed code.
3161         (return): Rename to return_simple and remove test of frame size.
3162         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
3163         to gen_return_simple.
3164
3165 2009-04-22  Jing Yu  <jingyu@google.com>
3166
3167         PR testsuite/39781
3168         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3169
3170 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3171
3172         PR C/31499
3173         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
3174         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
3175         value is a VECTOR_CST, the element type is the element type of the
3176         vector.
3177
3178 2009-04-22  DJ Delorie  <dj@redhat.com>
3179
3180         * config/m32c/m32c.h: Update GTY annotations to new syntax.
3181
3182 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
3183
3184         * alias.c (find_base_term): Move around LO_SUM case, so that
3185         CONST falls through into PLUS/MINUS handling.
3186
3187         PR c/39855
3188         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
3189         into 0, use omit_one_operand.
3190
3191 2009-04-23  Ben Elliston  <bje@au.ibm.com>
3192
3193         * config/rs6000/linux-unwind.h (get_regs): Remove type
3194         puns. Change the type of `pc' to an array of unsigned ints and
3195         update all users.  Constify frame24.
3196
3197 2009-04-22  DJ Delorie  <dj@redhat.com>
3198
3199         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
3200         declarations before code.
3201         (current_function_special_page_vector): Likewise.
3202         (m32c_expand_insv): Silence a warning.
3203
3204 2009-04-21  Taras Glek  <tglek@mozilla.com>
3205
3206         * alias.c: Update GTY annotations to new syntax.
3207         * basic-block.h: Likewise.
3208         * bitmap.h: Likewise.
3209         * c-common.h: Likewise.
3210         * c-decl.c: Likewise.
3211         * c-parser.c: Likewise.
3212         * c-pragma.c: Likewise.
3213         * c-tree.h: Likewise.
3214         * cfgloop.h: Likewise.
3215         * cgraph.h: Likewise.
3216         * config/alpha/alpha.c: Likewise.
3217         * config/arm/arm.h: Likewise.
3218         * config/avr/avr.h: Likewise.
3219         * config/bfin/bfin.c: Likewise.
3220         * config/cris/cris.c: Likewise.
3221         * config/darwin.c: Likewise.
3222         * config/frv/frv.c: Likewise.
3223         * config/i386/i386.c: Likewise.
3224         * config/i386/i386.h: Likewise.
3225         * config/i386/winnt.c: Likewise.
3226         * config/ia64/ia64.h: Likewise.
3227         * config/iq2000/iq2000.c: Likewise.
3228         * config/mips/mips.c: Likewise.
3229         * config/mmix/mmix.h: Likewise.
3230         * config/pa/pa.c: Likewise.
3231         * config/pa/pa.h: Likewise.
3232         * config/rs6000/rs6000.c: Likewise.
3233         * config/s390/s390.c: Likewise.
3234         * config/sparc/sparc.c: Likewise.
3235         * config/xtensa/xtensa.c: Likewise.
3236         * cselib.h: Likewise.
3237         * dbxout.c: Likewise.
3238         * dwarf2out.c: Likewise.
3239         * except.c: Likewise.
3240         * except.h: Likewise.
3241         * fixed-value.h: Likewise.
3242         * function.c: Likewise.
3243         * function.h: Likewise.
3244         * gimple.h: Likewise.
3245         * integrate.c: Likewise.
3246         * optabs.c: Likewise.
3247         * output.h: Likewise.
3248         * real.h: Likewise.
3249         * rtl.h: Likewise.
3250         * stringpool.c: Likewise.
3251         * tree-data-ref.c: Likewise.
3252         * tree-flow.h: Likewise.
3253         * tree-scalar-evolution.c: Likewise.
3254         * tree-ssa-address.c: Likewise.
3255         * tree-ssa-alias.h: Likewise.
3256         * tree-ssa-operands.h: Likewise.
3257         * tree.c: Likewise.
3258         * tree.h: Likewise.
3259         * varasm.c: Likewise.
3260         * varray.h: Likewise.
3261         * vec.h: Likewise.
3262         * coretypes.h: Do not define GTY macro if it is already defined.
3263         * doc/gty.texi: Update GTY documentation to new syntax.
3264         * gengtype-lex.l: Enforce attribute-like syntax for GTY
3265         annotations on structs.
3266         * gengtype-parse.c: Likewise.
3267
3268 2009-04-22  Mark Heffernan  <meheff@google.com>
3269
3270         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
3271
3272 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3273
3274         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
3275         where appropriate.
3276
3277 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3278
3279         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
3280         the same as a PLUS without a shift.  Increase the cost of a
3281         CONST_INT in MULT.
3282
3283 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3284
3285         * Makefile.in: Update dependencies.
3286         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
3287         * errors.h: Remove bogus comment about compatibility.
3288         (warning): Update declaration.
3289         * genautomata.c: Update all calls to warning.
3290         * gimple.c: Do not include errors.h. Include toplev.h.
3291         * tree-ssa-structalias.c: Do not include errors.h.
3292         * omega.c: Likewise.
3293         * tree-ssa-reassoc.c: Likewise.
3294         * config/spu/spu-c.c: Likewise.
3295         * config/spu/t-spu-elf: Update dependencies.
3296
3297 2009-04-22  Richard Guenther  <rguenther@suse.de>
3298
3299         PR tree-optimization/39824
3300         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
3301         make sure the types are compatible.
3302
3303 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3304
3305         PR c++/14875
3306         * c-common.c (c_parse_error): Take a token_flags parameter.
3307         Use token_type for the token type instead.
3308         Pass token_flags to cpp_type2name.
3309         * c-common.h (c_parse_error): Update declaration.
3310         * c-parser.c (c_parser_error): Pass 0 as token flags.
3311
3312 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
3313
3314         PR rtl-optimization/39580
3315         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert.
3316
3317 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3318
3319         * function.c (expand_function_end): Do not emit a jump to the "naked"
3320         return label for fall-through returns.
3321         * except.c (sjlj_emit_function_exit): Always place the call to the
3322         unregister function at the location installed by expand_function_end.
3323
3324 2009-04-22  Richard Guenther  <rguenther@suse.de>
3325
3326         PR tree-optimization/39845
3327         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
3328         (gen_inbound_check): Likewise.
3329
3330 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3331
3332         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
3333         padding for PPC.
3334         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
3335         * config/vxlib.c (__gthread_once): Add race guard for PPC.
3336
3337 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3338
3339         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
3340         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
3341         shift counts to avoid out-of-bounds array accesses.
3342
3343 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3344
3345         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
3346         (Pmode): Move above.
3347
3348 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
3349
3350         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
3351         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
3352         GET_CODE macro.  Use IN_RANGE macro where appropriate.
3353         * config/alpha/alpha.h: Ditto.
3354         * config/alpha/alpha.md: Ditto.
3355         * config/alpha/constraints.md: Ditto.
3356         * config/alpha/predicates.md: Ditto.
3357
3358 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3359
3360         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
3361         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3362         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3363         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3364         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3365         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3366         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3367         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3368         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3369         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3370         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3371         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3372         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3373         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3374         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3375         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3376         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3377         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3378         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3379         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3380         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3381         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3382         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3383         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3384         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3385         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3386         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3387
3388 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3389
3390         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
3391         references from comments.
3392         * cfgbuild.c: (count_basic_blocks): Delete.
3393         (find_basic_blocks_1): Delete.
3394         (find_basic_blocks): Delete.
3395         * except.c (finish_eh_generation): Make static.  Move comment from
3396         except.h here.  Remove find_basic_blocks references from comments.
3397         * except.h (finish_eh_generation): Delete.
3398         * basic-block.h (find_basic_blocks): Delete.
3399         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
3400
3401 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
3402
3403         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
3404         (sdbout_parms):  Likewise.
3405
3406 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3407
3408         * config/sh/sh.c (prepare_cbranch_operands): Use
3409         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
3410         (expand_cbranchdi4): Likewise.
3411         (from_compare): Add cast to enum type.
3412         (expand_cbranchsi4): Use add_reg_note.
3413         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
3414         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
3415         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
3416         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3417         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
3418         instead of CODE_FOR_nothing.
3419         (cbranchdi4): Likewise.  Fix the order of arguments for
3420         gen_rtx_fmt_ee.
3421         (push_fpscr): Use add_reg_note.
3422         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
3423         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
3424
3425 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
3426
3427         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
3428         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3429         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3430         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
3431         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
3432         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
3433         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
3434         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
3435         config/alpha/x-vms, config/arc/t-arc,
3436         config/arm/README-interworking, config/arm/arm-c.c,
3437         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
3438         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
3439         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
3440         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
3441         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
3442         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
3443         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
3444         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
3445         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
3446         config/cris/t-elfmulti, config/crx/t-crx,
3447         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
3448         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
3449         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
3450         config/h8300/t-h8300, config/i386/athlon.md,
3451         config/i386/darwin-libgcc.10.4.ver,
3452         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
3453         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
3454         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
3455         config/i386/t-linux64, config/i386/t-nwld,
3456         config/i386/t-rtems-i386, config/i386/t-sol2-10,
3457         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
3458         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
3459         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
3460         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
3461         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
3462         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
3463         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
3464         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
3465         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
3466         config/m68k/t-uclinux, config/mcore/t-mcore,
3467         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
3468         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
3469         config/mips/crtn.asm, config/mips/irix-crti.asm,
3470         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
3471         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
3472         config/mips/mips-fixed.md, config/mips/sb1.md,
3473         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
3474         config/mips/t-iris6, config/mips/t-isa3264,
3475         config/mips/t-libgcc-mips16, config/mips/t-linux64,
3476         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
3477         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
3478         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
3479         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
3480         config/mn10300/t-linux, config/mn10300/t-mn10300,
3481         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
3482         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
3483         config/picochip/libgccExtras/clzsi2.asm,
3484         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
3485         config/rs6000/darwin-libgcc.10.4.ver,
3486         config/rs6000/darwin-libgcc.10.5.ver,
3487         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
3488         config/rs6000/t-aix43, config/rs6000/t-aix52,
3489         config/rs6000/t-darwin, config/rs6000/t-fprules,
3490         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
3491         config/rs6000/t-lynx, config/rs6000/t-netbsd,
3492         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
3493         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
3494         config/rs6000/t-rtems, config/rs6000/t-spe,
3495         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
3496         config/score/t-score-elf, config/sh/divcost-analysis,
3497         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
3498         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
3499         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
3500         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
3501         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
3502         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
3503         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
3504         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
3505         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
3506         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
3507         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
3508         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
3509         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
3510         limitx.h, version.c, xcoff.h: Add copyright and license notices.
3511         * config/h8300/genmova.sh: Include copyright and license notices
3512         in generated output.
3513         * config/h8300/mova.md: Regenerate.
3514         * doc/install.texi2html: Include word "Copyright" in copyright
3515         notice and use name "Free Software Foundation, Inc.".
3516         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3517         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3518         ChangeLog-2007, ChangeLog-2008: Correct dates.
3519
3520 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
3521
3522         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
3523         NE_EXPR operations as well.
3524         * c-parser.c (c_parser_condition): Do not set location information on
3525         the condition.
3526         (c_parser_conditional_expression): Likewise.
3527         (c_parser_binary_expression): Set location information on operators.
3528         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
3529         TRUTH_NOT_EXPR has been folded.
3530         * fold-const.c (fold_truth_not_expr): Copy location information from
3531         the incoming expression to the outgoing one.
3532         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
3533         recursive calls on the LHS of the operator but pass that of the
3534         operator to recursive calls on the RHS of the operator.  Set it
3535         on the COND_EXPR.
3536         (shortcut_cond_expr): Set the locus of the operator on the second
3537         COND_EXPR and that of the expression on the first in degenerate cases.
3538         Pass the locus of the expression to calls to shortcut_cond_r.
3539         Set the locus of the 'then' block on the associated jump, if any.
3540         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
3541         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
3542         expression to call to gimplify_boolean_expr.
3543
3544 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
3545
3546         * config.gcc: Add additional configuration for
3547         i686-w64-mingw* and x86_64-w64-mingw* triplet.
3548         * config/i386/mingw-w64.h: New mingw-w64 specific header.
3549         (CPP_SPEC): Redefine for allowing -municode option.
3550         (STARTFILE_SPEC): Likewise.
3551         * config/i386/t-mingw-w64: New.
3552         * config/i386/mingw-w64.opt: New.
3553         (municode): Add new target option.
3554         * doc/invoke.texi (municode): Add documentation for new option.
3555
3556 2009-04-21  Ian Lance Taylor  <iant@google.com>
3557
3558         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3559         Correct test for number of arguments.
3560         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
3561
3562 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
3563
3564         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
3565         argument of emit_library_call.
3566
3567 2009-04-21  Richard Guenther  <rguenther@suse.de>
3568
3569         PR middle-end/39829
3570         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
3571         inside VIEW_CONVERT_EXPRs.
3572
3573 2009-04-21  Martin Jambor  <mjambor@suse.cz>
3574
3575         * tree-switch-conversion.c (build_constructors): Split a long line.
3576         (constructor_contains_same_values_p): New function.
3577         (build_one_array): Create assigns of constants if possible, do not
3578         call mark_sym_for_renaming, call update_stmt.
3579         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
3580         make_rename_temp.  Do not call mark_symbols_for_renaming, call
3581         update_stmt.
3582         (gen_def_assigns): Do not call mark_symbols_for_renaming or
3583         find_new_referenced_vars, call update_stmt.
3584         (gen_inbound_check): Use create_tmp_var and create ssa names manually
3585         instead of calling make_rename_temp.  Do not call
3586         find_new_referenced_vars or mark_symbols_for_renaming, call
3587         update_stmt.
3588
3589 2009-04-21  Richard Guenther  <rguenther@suse.de>
3590
3591         PR tree-optimization/39827
3592         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
3593         (tree_ssa_phiprop): Pass the correct array size.
3594
3595 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
3596
3597         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
3598
3599 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3600
3601         PR 16202
3602         * c-typeck.c (lvalue_p): Move declaration ...
3603         * c-common.h (lvalue_p): ... to here.
3604         * c-common.c (candidate_equal_p): New.
3605         (add_tlist): Use it.
3606         (merge_tlist): Use it.
3607         (warn_for_collisions_1): Likewise.
3608         (warning_candidate_p): Accept more candidates.
3609         (verify_tree): A warning candidate can be an expression. Use
3610         candidate_equal_p.
3611
3612 2009-04-21  Ben Elliston  <bje@au.ibm.com>
3613
3614         PR target/5267
3615         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
3616         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
3617         options.  Remove -mcall-solaris documentation.
3618
3619 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3620
3621         PR c++/13358
3622         * doc/invoke.texi (-Wlong-long): Update description.
3623         * c-lex (interpret_integer): Only warn if there was no previous
3624         overflow and -Wlong-long is enabled.
3625         * c-decl.c (declspecs_add_type): Drop redundant flags.
3626         * c.opt (Wlong-long): Init to -1.
3627         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
3628         and front-end warn_long_long. Wlong-long only depends on other
3629         flags if it is uninitialized.
3630         * c-parser.c (disable_extension_diagnostics): warn_long_long is
3631         the same for CPP and FE.
3632         (restore_extension_diagnostics): Likewise.
3633
3634 2009-04-20  Ian Lance Taylor  <iant@google.com>
3635
3636         Fix enum conversions which are invalid in C++:
3637         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
3638         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
3639         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
3640         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
3641         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
3642         (dbxout_parms): Likewise.
3643         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
3644         (df_clear_flags): Likewise.
3645         * df-problems.c (df_rd_bb_local_compute_process_def): Change
3646         top_flag parameter to int.
3647         (df_chain_create_bb_process_use): Likewise.
3648         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
3649         Remove cast.
3650         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
3651         (df_ref_create_structure, df_def_record_1): Likewise.
3652         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
3653         (df_notes_rescan): Change 0 to VOIDmode in function call.
3654         (df_get_call_refs, df_insn_refs_collect): Likewise.
3655         (df_bb_regs_collect): Likewise.
3656         (df_entry_block_defs_collect): Likewise.
3657         (df_exit_block_uses_collect): Likewise.
3658         * df.h: Update declarations.
3659         * double-int.c (double_int_divmod): Add cast to enum type.
3660         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
3661         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
3662         (based_loc_descr): Likewise.
3663         (loc_descriptor_from_tree_1): Change first_op and second_op to
3664         enum dwarf_location_atom.  Add cast to enum type.
3665         * expmed.c (init_expmed): Change 0 to SET in function call.
3666         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
3667         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
3668         (do_store_flag): Likewise.
3669         * fixed-value.h (struct fixed_value): Change mode to enum
3670         machine_mode.
3671         * function.c (assign_parms): Change 0 to VOIDmode in function call.
3672         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
3673         function call.
3674         (insert_insn_decl, insert_decl, insert_state): Likewise.
3675         (automata_list_finish): Likewise.
3676         * genrecog.c (process_define_predicate): Add cast to enum type.
3677         * gensupport.c (init_predicate_table): Add cast to enum type.
3678         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
3679         function call.
3680         (gimple_build_call_1, gimple_build_label): Likewise.
3681         (gimple_build_goto, gimple_build_asm_1): Likewise.
3682         (gimple_build_switch_1, gimple_build_cdt): Likewise.
3683         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
3684         (enum fallback): Rename from enum fallback_t.
3685         (fallback_t): Typedef as int.
3686         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
3687         GSI_SAME_STMT in function call.
3688         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
3689         enum type.
3690         (setup_reg_class_relations): Likewise.
3691         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
3692         (setup_prohibited_class_mode_regs): Add cast to enum type.
3693         (setup_prohibited_mode_move_regs): Likewise.
3694         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
3695         (record_address_regs): Change i to enum reg_class.
3696         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
3697         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
3698         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
3699         (GET_MODE_2XWIDER_MODE): Likewise.
3700         (GET_CLASS_NARROWEST_MODE): Likewise.
3701         * omp-low.c (expand_omp_for): Add cast to enum type.
3702         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
3703         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
3704         * postreload.c (reload_cse_simplify_operands): Change rclass local
3705         to enum reg_class.
3706         * predict.c (combine_predictions_for_insn): Change best_predictor
3707         and predictor to enum br_predictor.
3708         (combine_predictions_for_bb): Likewise.
3709         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
3710         use SET_PREDICT_EXPR_OUTCOME.
3711         * real.c (real_arithmetic): Change icode to code in function call.
3712         * reginfo.c (init_move_cost): Add casts to enum type.
3713         (init_reg_sets_1, init_fake_stack_mems): Likewise.
3714         * regmove.c (regclass_compatible_p): Change class0 and class1 to
3715         enum reg_class.
3716         * reload.c (find_valid_class): Add casts to enum type.
3717         (push_reload): Change 0 to NO_REGS in function call.
3718         (find_reloads): Change this_alternative to array of enum
3719         reg_class.  Remove some now-unnecessary casts.
3720         (make_memloc): Change 0 to VOIDmode in function call.
3721         * reload1.c (reload): Change 0 to VOIDmode in function call.
3722         (eliminate_regs_1, elimination_effects): Likewise.
3723         (eliminate_regs_in_insn): Likewise.
3724         (emit_input_reload_insns): Add cast to enum type.
3725         (delete_output_reload): Change 0 to VOIDmode in function call.
3726         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
3727         to enum type in function call.
3728         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
3729         (SET_PREDICT_EXPR_OUTCOME): Define.
3730         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
3731         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
3732         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
3733         (dump_function): Likewise.
3734         * tree-dump.h: Update declarations.
3735         * tree-pass.h: Update declarations.
3736         * varasm.c (assemble_integer): Change mclass to enum mode_class.
3737         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
3738         enum type.
3739         (arm_rtx_costs_1): Correct parenthesization.
3740         (arm_rtx_costs): Add casts to enum type.
3741         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
3742         (vfp_emit_fstmd): Use add_rg_note.
3743         (emit_multi_reg_push, emit_sfm): Likewise.
3744         (thumb_set_frame_pointer): Likewise.
3745         (arm_expand_prologue): Likewise.
3746         (arm_regno_class): Change return type to enum reg_class.
3747         (thumb1_expand_prologue): Use add_reg_note.
3748         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
3749         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
3750         in function call.
3751         * config/arm/gentune.sh: Add cast to enum type.
3752         * config/arm/arm-tune.md: Rebuild.
3753         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
3754         (ix86_split_fp_branch, predict_jump): Likewise.
3755         (ix86_expand_multi_arg_builtin): Change sub_code from enum
3756         insn_code to enum rtx_code.
3757         (ix86_builtin_vectorized_function): Add cast to enum type.
3758         * config/i386/i386.md (truncdfsf2): Change slot to enum
3759         ix86_stack_slot.
3760         (truncxf<mode>2, isinf<mode>2): Likewise.
3761         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
3762         enum type.
3763         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
3764         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
3765         (insert_bundle_state): Change 1 to INSERT in function call.
3766         (ia64_add_bundle_selector_before): Likewise.
3767         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
3768         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
3769         (restore_stack_nonlocal): Likewise.
3770         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
3771         function call.
3772         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
3773         function call.
3774         (mips_rtx_costs): Likewise.
3775         (mips_override_options): Add casts to enum type.
3776         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
3777         in function call.
3778         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
3779         (store_reg, set_reg_plus_d): Likewise.
3780         (hppa_expand_prologue, hppa_profile_hook): Likewise.
3781         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
3782         cast to enum type.
3783         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
3784         function call.
3785         (emit_unlikely_jump): Use add_reg_note.
3786         (rs6000_emit_allocate_stack): Likewise.
3787         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
3788         (output_toc): Change 1 to INSERT in function call.
3789         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
3790         (rs6000_initialize_trampoline): Likewise.
3791         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
3792         function call.
3793         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
3794         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
3795         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
3796         (save_gprs): Use add_reg_note.
3797         (s390_emit_prologue): Likewise.
3798         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3799         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
3800         (sparc_fold_builtin): Add cast to enum type.
3801         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
3802         enum insn_code.
3803         (spu_expand_prologue): Use add_reg_note.
3804         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
3805
3806 2009-04-20  Ian Lance Taylor  <iant@google.com>
3807
3808         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
3809         (c_parser_postfix_expression_after_primary): Get VEC for list of
3810         arguments.  Get original types of arguments.  Call
3811         build_function_call_vec.
3812         (cached_expr_list_1, cached_expr_list_2): New static variables.
3813         (c_parser_expr_list): Change return type to VEC *.  Add
3814         p_orig_types parameter.  Change all callers.
3815         (c_parser_release_expr): New static function.
3816         (c_parser_vec_to_tree_list): New static function.
3817         * c-typeck.c (build_function_call): Rewrite to build a VEC and
3818         call build_function_call_vec.
3819         (build_function_call_vec): New function, based on old
3820         build_function_call.
3821         (convert_arguments): Remove nargs and argarray parameters.  Change
3822         values to a VEC.  Add origtypes parameter.
3823         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
3824         (convert_for_assignment): Add origtype parameter.  Change all
3825         callers.  If warn_cxx_compat, check for conversion to an enum
3826         type when calling a function.
3827         (store_init_value): Add origtype parameter.  Change all callers.
3828         (digest_init): Likewise.
3829         (struct init_node): Add origtype field.
3830         (add_pending_init): Add origtype parameter.  Change all callers.
3831         (output_init_element): Likewise.
3832         (output_pending_init_elements): Pass origtype from init_node to
3833         output_init_element.
3834         (process_init_element): Pass origtype from c_expr to
3835         output_init_element.
3836         (c_finish_return): Add origtype parameter.  Change all callers.
3837         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
3838         caller.
3839         (sync_resolve_params): Likewise.
3840         (sync_resolve_return): Change params to first_param.  Change caller.
3841         (resolve_overloaded_builtins): Change params to VEC *.  Change
3842         callers.  Save first parameter around call to build_function_call_vec.
3843         * c-decl.c (finish_decl): Add origtype parameter.  Change all
3844         callers.  Call build_function_call_vec rather than
3845         build_function_call for cleanup.
3846         * c-tree.h: Update declarations.
3847         * c-common.h: Update declarations.
3848         * stub-objc.c (objc_rewrite_function_call): Change parameter from
3849         params to first_param.
3850         * target.h (struct gcc_target): Change resolve_overloaded_builtin
3851         params parameter from tree to void *.
3852         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3853         Change arglist parameter to have type void *, and to be a pointer
3854         to a VEC.
3855         * config/rs6000/rs6000-protos.h
3856         (altivec_resolve_overloaded_builtin): Update declaration.
3857         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
3858         fnargs parameter to have type void *, and to be a pointer to a
3859         VEC.  Call build_function_call_vec instead of
3860         build_function_call.
3861         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
3862
3863 2009-04-20  Joey Ye  <joey.ye@intel.com>
3864             Xuepeng Guo  <xuepeng.guo@intel.com>
3865             H.J. Lu  <hongjiu.lu@intel.com>
3866
3867         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
3868
3869         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
3870         (IX86_LEA_PRIORITY): Likewise.
3871         (distance_non_agu_define): New function.
3872         (distance_agu_use): Likewise.
3873         (ix86_lea_for_add_ok): Likewise.
3874         (ix86_dep_by_shift_count): Likewise.
3875
3876         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
3877         should split for LEA.
3878
3879         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
3880         function.
3881         (ix86_dep_by_shift_count): Likewise.
3882
3883 2009-04-20  Richard Guenther  <rguenther@suse.de>
3884
3885         * expr.c (handled_component_p): Move ...
3886         * tree.h (handled_component_p): ... here.
3887         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
3888         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
3889         and REALPART_EXPR to be in one group.
3890
3891 2009-04-20  Richard Guenther  <rguenther@suse.de>
3892
3893         * basic-block.h (get_all_dominated_blocks): Declare.
3894         * dominance.c (get_all_dominated_blocks): New function.
3895         * tree-cfg.c (get_all_dominated_blocks): Remove.
3896         (remove_edge_and_dominated_blocks): Adjust.
3897         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
3898         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
3899         instead of recursing.
3900
3901 2009-04-20  Doug Kwan  <dougkwan@google.com>
3902
3903         * cgraph.h (cgraph_node_ptr): New type for vector functions.
3904         (struct cgraph_node_set_def): New type.
3905         (cgraph_node_set) New type. Also declare vector functions.
3906         (struct cgraph_node_set_element_def): New type.
3907         (cgraph_node_set_element): Ditto.
3908         (cgraph_node_set_iterator): New iterator type.
3909         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
3910         cgraph_node_set_remove, dump_cgraph_node_set,
3911         debug_cgraph_node_set): New prototypes.
3912         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
3913         cgraph_node_set_size): New inlines.
3914         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
3915         including cgraph.h.
3916         (struct ipa_opt_pass): Add struct cgraph_node_set_def
3917         argument to function 'write_summary'.
3918         * ipa.c: Include ggc.h.
3919         (hash_cgraph_node_set_element,
3920         eq_cgraph_node_set_element, cgraph_node_set_new,
3921         cgraph_node_set_add, cgraph_node_set_remove,
3922         cgraph_node_set_find, dump_cgraph_node_set,
3923         debug_cgraph_node_set): New functions.
3924         * Makefile.in (ipa.o): Add dependency on GGC_H.
3925
3926 2009-04-20  Ira Rosen  <irar@il.ibm.com>
3927
3928         PR tree-optimization/39675
3929         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
3930         check of the return code of vect_schedule_slp. Check that
3931         stmt_vec_info still exists for the statement, before checking its
3932         vectorization type.
3933
3934 2009-04-20  Michael Matz  <matz@suse.de>
3935
3936         * Makefile.in (generated_files): Take out $(simple_generated_c).
3937
3938 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
3939
3940         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
3941         (UINTPTR_TYPE):  Likewise.
3942
3943 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
3944
3945         PR c/37481
3946         * c-typeck.c (digest_init): Check for initializing an array with a
3947         string literal.
3948
3949 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
3950
3951         PR c/19771
3952         * c-semantics.c (pop_stmt_list): Propagate
3953         STATEMENT_LIST_HAS_LABEL to parent statement list.
3954
3955 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
3956
3957         * config/mips/mips.h (mips_tune_attr): New macro.
3958         * config/mips/mips.md (cpu): Use it.
3959
3960 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
3961
3962         PR c/38243
3963         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
3964         declaring a tag.
3965
3966 2009-04-19  Diego Novillo  <dnovillo@google.com>
3967
3968         * toplev.c (compile_file): Move call to coverage_finish ...
3969         * cgraphunit.c (ipa_passes): ... here.
3970         Call cgraph_process_new_functions.
3971         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
3972         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
3973
3974 2009-04-19  Jan Hubicka  <jh@suse.cz>
3975
3976         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
3977         cfun.
3978         (dump_cgraph_node): Dump can throw external flag.
3979         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
3980
3981 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3982
3983         PR c/32061
3984         PR c++/36954
3985         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
3986         * common.opt (Wlogical-op): Move from here...
3987         * c.opt (Wlogical-op): ... to here.
3988         * c-typeck.c (parser_build_binary_op): Update call to
3989         warn_logical_operator.
3990         * c-opts.c (c_common_post_options): Enable warn_logical_op with
3991         extra_warnings.
3992         * c-common.c (warn_logical_op): Update.
3993         * c-common.h (warn_logical_op): Update declaration.
3994
3995 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
3996
3997         * tree.c (protected_set_expr_location): Fix formatting.
3998
3999 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4000
4001         PR c/27676
4002         * c-typeck.c (readonly_warning): new.
4003         (build_unary_op, build_modify_expr): Use readonly_warning for
4004         storing into something readonly but not const-qualified.
4005
4006 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4007
4008         PR c/22367
4009         * c-typeck.c (build_unary_op): Check for taking address of
4010         expression of type void.
4011
4012 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4013
4014         PR c/35210
4015         * c-typeck.c (build_function_call): Check for calling a function
4016         with qualified void return types.  Call require_complete_type when
4017         generating a trap.
4018
4019 2009-04-18  Jan Hubicka  <jh@suse.cz>
4020
4021         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
4022         Set nothrow flag.
4023         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
4024         can_throw_external flag.
4025         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
4026         * ipa-pure-const.c (ignore_edge): New function.
4027         (propagate): Compute order for NOTHROW computation; set NOTHROWs
4028         only over can_throw_external edges.
4029         (local_pure_const): Add nothrow flag.
4030         * ipa-utils.c (searchc): Add ignore_edge callback.
4031         (ipa_utils_reduced_inorder): Add ignore_edge callback.
4032         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
4033         (set_nothrow_function_flags): Update cgraph.
4034         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
4035
4036 2009-04-18  Richard Guenther  <rguenther@suse.de>
4037
4038         PR middle-end/39804
4039         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
4040         (fold_stmt): ... this and ...
4041         (fold_stmt_inplace): ... this.
4042         (fold_stmt_1): Fold references in calls and asms.
4043         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
4044
4045 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4046
4047         * tree-vrp.c (ssa_name_nonzero_p): Remove.
4048         * tree.h: Remove the prototype for ssa_name_nonzero_p.
4049
4050 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4051
4052         * tree.c (function_args_count): Remove.
4053         * tree.h: Remove the prototype for function_args_count.
4054
4055 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4056
4057         * tree-iterator.c (expr_only): Remove.
4058         * tree.h: Remove the prototype for expr_only.
4059
4060 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4061
4062         * reginfo.c (cannot_change_mode_set_regs): Remove.
4063         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
4064
4065 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
4066
4067         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
4068         whether operands 0 and 1 overlaps.
4069
4070 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4071
4072         PR middle-end/36902
4073         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
4074         pointer. Use warning_at instead of warning.
4075         (search_for_addr_array): Likewise.
4076         (check_array_bounds): Likewise.
4077         (check_all_array_refs): Check that the incoming edge is not in the
4078         list of edges to be removed.
4079         (check_all_array_refs): Avoid the temporal pointer.
4080         (vrp_visit_cond_stmt): Fix typo.
4081         (simplify_switch_using_ranges): Handle the case where the switch
4082         index is an integer constant.
4083
4084 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
4085
4086         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
4087
4088 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4089
4090         * doc/extend.texi, doc/invoke.texi: Fix typos.
4091
4092 2009-04-17  Cary Coutant  <ccoutant@google.com>
4093
4094         * tree-flow-inline.h (get_lineno): Fix inverted test.
4095
4096 2009-04-17  Diego Novillo  <dnovillo@google.com>
4097
4098         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4099         assertion for AVAIL_OUT.
4100
4101 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
4102
4103         PR target/38627
4104         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
4105         * config/sh/linux-atomic.asm: Likewise.
4106
4107 2009-04-17  Diego Novillo  <dnovillo@google.com>
4108
4109         * except.c (debug_eh_tree): New.
4110         (struct eh_region, struct eh_status): Move ...
4111         * except.h: ... here.
4112         (add_type_for_runtime): Declare extern.
4113         (lookup_type_for_runtime): Likewise.
4114         (debug_eh_tree): Declare.
4115         * Makefile.in (GTFILES): List except.h before except.c
4116
4117 2009-04-17  Diego Novillo  <dnovillo@google.com>
4118
4119         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
4120         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4121         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
4122         (find_vars_r): ... here.
4123         * tree-flow.h (find_referenced_vars_in): Declare.
4124         * tree-ssa-pre.c (create_expression_by_pieces): Assert
4125         that AVAIL_OUT exists for BLOCK.
4126         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
4127         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
4128         (tree-parloops.o): Likewise.
4129
4130 2009-04-17  Simon Baldwin  <simonb@google.com>
4131
4132         * toplev.c (default_tree_printer): Add handling for %E format.
4133
4134 2009-04-17  Diego Novillo  <dnovillo@google.com>
4135
4136         * tree-pretty-print.c (dump_generic_node): Add break after
4137         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
4138         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
4139         FUNCTION_TYPE together.  Call print_struct_decl when printing
4140         structures and TDF_SLIM is not given.
4141         (print_struct_decl): Fix logic for detecting recursion.
4142
4143 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4144
4145         PR 31567
4146         * gcc.c (create_at_file): New.
4147         (compile_input_file_p): New.
4148         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
4149         * main.c (main): Update call to toplev_main.
4150         * toplev.c (toplev_main): Change signature. Call expandargv.
4151         * toplev.h (toplev_main): Change signature.
4152
4153 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4154
4155         * dwarf2out.c (field_byte_offset): Use the type size as the field size
4156         if the latter is not constant.
4157
4158 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
4159
4160         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
4161
4162 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4163
4164         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
4165         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
4166
4167 2009-04-17  Richard Guenther  <rguenther@suse.de>
4168
4169         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4170         Handle component references view-converting an invariant address.
4171
4172 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
4173
4174         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
4175         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
4176         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
4177         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
4178         Use @deftypevr rather than @deftypevar.
4179
4180 2009-04-17  Richard Guenther  <rguenther@suse.de>
4181
4182         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
4183         (get_prop_source_stmt): Likewise.
4184         (can_propagate_from): Likewise.
4185
4186 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
4187
4188         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
4189         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
4190         (--with-multilib-list): Add default value.
4191         * configure: Regenerate.
4192         * Makefile.in (TM_ENDIAN_CONFIG): Define.
4193         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
4194         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
4195         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
4196         Don't add default cpu to multilib list unnecessarily, but do enable
4197         the relevant compiler option..
4198         Add support for --with-multilib-list=<blank> and
4199         --with-multilib-list=!<somelib> to supress unwanted multilibs.
4200         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
4201         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
4202         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
4203         TM_MULTILIB_CONFIG.
4204         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
4205         (MULTILIB_OSDIRNAMES): New variable.
4206         * config/sh/t-1e: Delete file.
4207         * config/sh/t-mlib-sh1: Delete file.
4208         * config/sh/t-mlib-sh2: Delete file.
4209         * config/sh/t-mlib-sh2a: Delete file.
4210         * config/sh/t-mlib-sh2a-nofpu: Delete file.
4211         * config/sh/t-mlib-sh2a-single: Delete file.
4212         * config/sh/t-mlib-sh2a-single-only: Delete file.
4213         * config/sh/t-mlib-sh2e: Delete file.
4214         * config/sh/t-mlib-sh3e: Delete file.
4215         * config/sh/t-mlib-sh4: Delete file.
4216         * config/sh/t-mlib-sh4-nofpu: Delete file.
4217         * config/sh/t-mlib-sh4-single: Delete file.
4218         * config/sh/t-mlib-sh4-single-only: Delete file.
4219         * config/sh/t-mlib-sh4a: Delete file.
4220         * config/sh/t-mlib-sh4a-nofpu: Delete file.
4221         * config/sh/t-mlib-sh4a-single: Delete file.
4222         * config/sh/t-mlib-sh4a-single-only: Delete file.
4223         * config/sh/t-mlib-sh4al: Delete file.
4224         * config/sh/t-mlib-sh5-32media: Delete file.
4225         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
4226         * config/sh/t-mlib-sh5-64media: Delete file.
4227         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
4228         * config/sh/t-mlib-sh5-compact: Delete file.
4229         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
4230         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
4231         * doc/install.texi (Options specification): Add
4232         --with-multilib-list and --with-endian.
4233
4234 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4235
4236         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
4237         REVISION_c.
4238         (OBJS-common): Add plugin-version.o.
4239         (plugin-version.o): New.
4240         * gcc-plugin.h (plugin_gcc_version): New.
4241         (plugin_default_version_check): New.
4242         (plugin_init_func, plugin_init): Add version argument.
4243         * plugin-version.c: New.
4244         * plugin.c (str_plugin_gcc_version_name): New.
4245         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
4246         pass it to the init function.
4247         (plugin_default_version_check): New.
4248
4249 2009-04-17  Richard Guenther  <rguenther@suse.de>
4250
4251         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
4252         for decl-vs-decl disambiguation.
4253
4254 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4255
4256         * config/s390/s390.h (s390_tune_attr): New macro definition.
4257         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
4258
4259 2009-04-17  Richard Guenther  <rguenther@suse.de>
4260
4261         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
4262         (fold_stmt_r): Likewise.
4263         (maybe_fold_reference): New function.
4264         (fold_gimple_assign): Handle cases fold_stmt_r did.
4265         (fold_stmt): Do not use fold_stmt_r.
4266         (fold_stmt_inplace): Likewise.
4267
4268 2009-04-17  Richard Guenther  <rguenther@suse.de>
4269
4270         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
4271         (record_equivalences_from_stmt): Remove useless checks and
4272         simplifications.
4273         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
4274         the type is already suitable.
4275
4276 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
4277
4278         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
4279
4280 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
4281
4282         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
4283         (CMPtype): Define as __gcc_CMPtype.
4284
4285 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
4286
4287         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
4288         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
4289
4290 2009-04-17  Richard Guenther  <rguenther@suse.de>
4291
4292         PR tree-optimization/39746
4293         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
4294         special-casing for builtins and static variable use/def.
4295         (call_may_clobber_ref_p_1): Likewise.
4296
4297 2009-04-16  Ian Lance Taylor  <iant@google.com>
4298
4299         * df.h: Include "timevar.h".
4300         (struct df_problem): Change tv_id field to timevar_id_t.
4301         * tree-pass.h: Include "timevar.h".
4302         (struct opt_pass): Change tv_id field to timevar_id_t.
4303         * timevar.h (timevar_id_t): Define TV_NONE.
4304         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
4305         TV_NONE rather than tv_id != 0.
4306         (execute_one_pass): Likewise.
4307         * Makefile.in (DF_H): Add $(TIMEVAR_H).
4308         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
4309         dependencies to $(TREE_PASS_H).
4310         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
4311         to TV_NONE.
4312         (pass_branch_target_load_optimize2): Likewise.
4313         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
4314         (pass_outof_cfg_layout_mode): Likewise.
4315         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
4316         (pass_rebuild_cgraph_edges): Likewise.
4317         (pass_remove_cgraph_callee_edges): Likewise.
4318         * df-core.c (pass_df_initialize_opt): Likewise.
4319         (pass_df_initialize_no_opt): Likewise.
4320         (pass_df_finish): Likewise.
4321         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
4322         * except.c (pass_set_nothrow_function_flags): Likewise.
4323         (pass_convert_to_eh_region_ranges): Likewise.
4324         * final.c (pass_compute_alignments): Likewise.
4325         * function.c (pass_instantiate_virtual_regs): Likewise.
4326         (pass_init_function): Likewise.
4327         (pass_leaf_regs): Likewise.
4328         (pass_match_asm_constraints): Likewise.
4329         * gimple-low.c (pass_lower_cf): Likewise.
4330         (pass_mark_used_blocks): Likewise.
4331         * init-regs.c (pass_initialize_regs): Likewise.
4332         * integrate.c (pass_initial_value_sets): Likewise.
4333         * ira.c (pass_ira): Likewise.
4334         * jump.c (pass_cleanup_barriers): Likewise.
4335         * omp-low.c (pass_expand_omp): Likewise.
4336         (pass_lower_omp): Likewise.
4337         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
4338         * recog.c (pass_split_all_insns): Likewise.
4339         (pass_split_after_reload): Likewise.
4340         (pass_split_before_regstack): Likewise.
4341         (pass_split_before_sched2): Likewise.
4342         (pass_split_for_shorten_branches): Likewise.
4343         * reginfo.c (pass_reginfo_init): Likewise.
4344         (pass_subregs_of_mode_init): Likewise.
4345         (pass_subregs_of_mode_finish): Likewise.
4346         * passes.c (pass_postreload): Likewise.
4347         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
4348         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
4349         (pass_warn_function_return): Likewise.
4350         (pass_warn_function_noreturn): Likewise.
4351         * tree-complex.c (pass_lower_complex): Likewise.
4352         (pass_lower_complex_O0): Likewise.
4353         * tree-if-conv.c (pass_if_conversion): Likewise.
4354         * tree-into-ssa.c (pass_build_ssa): Likewise.
4355         * tree-mudflap.c (pass_mudflap_1): Likewise.
4356         (pass_mudflap_2): Likewise.
4357         * tree-nomudflap.c (pass_mudflap_1): Likewise.
4358         (pass_mudflap_2): Likewise.
4359         * tree-nrv.c (pass_return_slot): Likewise.
4360         * tree-object-size.c (pass_object_sizes): Likewise.
4361         * tree-optimize.c (pass_all_optimizations): Likewise.
4362         (pass_early_local_passes): Likewise.
4363         (pass_all_early_optimizations): Likewise.
4364         (pass_cleanup_cfg): Likewise.
4365         (pass_cleanup_cfg_post_optimizing): Likewise.
4366         (pass_free_datastructures): Likewise.
4367         (pass_free_cfg_annotations): Likewise.
4368         (pass_fixup_cfg): Likewise.
4369         (pass_init_datastructures): Likewise.
4370         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
4371         (pass_late_warn_uninitialized): Likewise.
4372         (pass_update_address_taken): Likewise.
4373         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
4374         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
4375         (pass_cse_sincos): Likewise.
4376         (pass_convert_to_rsqrt): Likewise.
4377         * tree-ssa-structalias.c (pass_build_alias): Likewise.
4378         * tree-stdarg.c (pass_stdarg): Likewise.
4379         * tree-tailcall.c (pass_tail_recursion): Likewise.
4380         (pass_tail_calls): Likewise.
4381         * tree-vect-generic.c (pass_lower_vector): Likewise.
4382         (pass_lower_vector_ssa): Likewise.
4383         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
4384
4385 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
4386
4387         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
4388         XLR entry.
4389         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
4390         Handle -march=xlr.
4391         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
4392         logical and signext.
4393
4394 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
4395
4396         PR target/39767
4397         * config/sh/predicates.md (arith_operand): Check if the operand
4398         of TRUNCATE is a REG.
4399
4400 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4401
4402         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
4403         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
4404
4405 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4406
4407         * tree-iterator.c (tsi_split_statement_list_after,
4408         tsi_split_statement_list_before): Remove.
4409         * tree-iterator.h: Remove the prototypes for
4410         tsi_split_statement_list_after and tsi_split_statement_list_before.
4411
4412 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4413
4414         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
4415         * tree-ssa-propagate.h: Remove the prototype for
4416         stmt_makes_single_load.
4417
4418 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4419
4420         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
4421         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
4422
4423 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4424
4425         * tree-iterator.c (EXPR_LAST_BODY): Remove.
4426
4427 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4428
4429         * except.c (eh_region_outer_p): Remove.
4430         * except.h: Remove the prototype for eh_region_outer_p.
4431
4432 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4433
4434         * function.c (current_function_assembler_name): Remove.
4435         * function.h: Remove the prototype for
4436         current_function_assembler_name.
4437
4438 2009-04-16  Ian Lance Taylor  <iant@google.com>
4439
4440         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
4441         (add_reg_note): Call alloc_reg_note.
4442         * rtl.h (alloc_reg_note): Declare.
4443         * combine.c (try_combine): Use alloc_reg_note.
4444         (recog_for_combine, move_deaths): Likewise.
4445         (distribute_notes): Use alloc_reg_note and add_reg_note.
4446         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
4447         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
4448         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
4449
4450 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
4451
4452         PR rtl-optimization/39762
4453         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
4454         ira_may_move_out_cost): Add comments about way of their usage.
4455         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
4456
4457         * ira-conflicts.c (process_regs_for_copy): Use function
4458         ira_get_register_move_cost instead of global
4459         ira_register_move_cost.
4460
4461         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
4462         color_pass, move_spill_restore, update_curr_costs): Ditto.
4463
4464         * ira-lives.c (process_single_reg_class_operands): Ditto.
4465
4466         * ira-emit.c (emit_move_list): Ditto.
4467
4468         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
4469         (record_reg_classes): Ditto.  Use functions
4470         ira_get_register_move_cost and ira_get_may_move_cost instead of
4471         global vars ira_register_move_cost, ira_may_move_out_cost and
4472         ira_may_move_in_cost.
4473         (record_address_regs): Don't call ira_init_register_move_cost.
4474         Use function ira_get_may_move_cost instead of global
4475         ira_may_move_in_cost.
4476         (process_bb_node_for_hard_reg_moves): Use function
4477         ira_get_register_move_cost instead of global ira_register_move_cost.
4478         (ira_costs): Don't call ira_init_register_move_cost.
4479
4480 2009-04-16  Richard Guenther  <rguenther@suse.de>
4481
4482         * tree-cfg.c (verify_gimple_assign_binary):
4483         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
4484         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
4485         (create_general_new_stmt): Note that this function is broken.
4486
4487 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4488
4489         * common.opt (fhelp): Add Var(help_flag).
4490         * gcc-plugin.h (plugin_info): Add help.
4491         * plugin.c (plugin_name_args): Add help.
4492         (register_plugin_info): Set plugin->help.
4493         (print_help_one_plugin): New.
4494         (print_plugins_help): New.
4495         * plugin.h (print_plugins_help): New.
4496         * toplev.c (toplev_main): Call print_plugins_help if needed.
4497
4498 2009-04-16  Richard Guenther  <rguenther@suse.de>
4499
4500         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
4501         (gimple_ior_addresses_taken_1): New function.
4502         (gimple_ior_addresses_taken): Likewise.
4503         * gimple.h (struct gimple_statement_with_ops_base): Remove
4504         addresses_taken member.
4505         (gimple_ior_addresses_taken): Declare.
4506         (gimple_addresses_taken, gimple_addresses_taken_ptr,
4507         gimple_set_addresses_taken): Remove.
4508         * ipa-reference.c (mark_address): New function.
4509         (scan_stmt_for_static_refs): Use it for marking addresses taken.
4510         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
4511         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
4512         (gimple_add_to_addresses_taken): Remove.
4513         (get_tmr_operands): Call mark_address_taken.
4514         (get_asm_expr_operands): Likewise.
4515         (get_expr_operands): Likewise.
4516         (build_ssa_operands): Do not clear the addresses_taken bitmap.
4517         (free_stmt_operands): Do not free it.
4518         * tree-ssa.c (delete_tree_ssa): Likewise.
4519         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
4520
4521 2009-04-16  Richard Guenther  <rguenther@suse.de>
4522
4523         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
4524         (walk_stmt_load_store_ops): Likewise.
4525         * gimple.c (get_base_loadstore): New function.
4526         (walk_stmt_load_store_addr_ops): Likewise.
4527         (walk_stmt_load_store_ops): Likewise.
4528         * ipa-pure-const.c (check_op): Simplify.
4529         (check_load, check_store): New functions.
4530         (check_stmt): Use walk_stmt_load_store_ops.
4531         * ipa-reference.c (mark_load): Adjust signature.
4532         (mark_store): Likewise.
4533         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
4534
4535 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4536
4537         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
4538         (plugin_info): New.
4539         * opts.c (common_handle_option): Don't call print_version.
4540         * plugin.c (plugin_name_args): Add version.
4541         (register_plugin_info): New.
4542         (register_callback): Handle PLUGIN_INFO.
4543         (try_init_one_plugin): New.
4544         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
4545         if failed to init.
4546         (finalize_one_plugin): New.
4547         (finalize_plugins): New.
4548         (print_one_plugin): New.
4549         (print_plugins_versions): New.
4550         * plugin.h (print_plugins_versions): New.
4551         (finalize_plugins): New.
4552         * toplev.c (compile_file): Don't call initialize_plugins.
4553         (print_version): Call print_plugins_versions.
4554         (toplev_main): Call initialize_plugins. Print version if needed.
4555         Call finalize_plugins.
4556
4557 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4558
4559         * common.opt (fversion): New.
4560         * gcc.c (print_version): New.
4561         (process_command): Don't print the version. Just set print_version.
4562         (main): Print version. Call subprocesses if print_version and
4563         verbose_flag are set.
4564         * opts.c (common_handle_option): Handle OPT_fversion.
4565
4566 2009-04-16  Richard Guenther  <rguenther@suse.de>
4567             Ira Rosen  <irar@il.ibm.com>
4568
4569         PR tree-optimization/39698
4570         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
4571         type of the reduction variable.  Only generate the def if
4572         it is needed.
4573
4574         * omp-low.c (expand_omp_for_generic): When converting to a pointer
4575         make sure to first convert to an integer of the same precision.
4576         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
4577         the type of the evolution correctly in computing the new
4578         induction variable base.
4579
4580 2009-04-16  Richard Guenther  <rguenther@suse.de>
4581
4582         PR middle-end/39625
4583         * tree-cfg.c (make_blocks): Split statements with to-be
4584         abnormal SSA names on the lhs.
4585
4586 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
4587
4588         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
4589         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
4590         * c-typeck.c (really_start_incremental_init): Likewise.
4591         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
4592         (TARGET_INITIALIZER): Remove it.
4593         * target.h (struct target): Remove vector_opaque_p.
4594         * tree.c (build_opaque_vector_type): New.
4595         * tree.h (TYPE_VECTOR_OPAQUE): New.
4596         (build_opaque_vector_type): Declare.
4597         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
4598         * config/rs6000/rs6000.c (build_opaque_vector_type,
4599         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
4600         (rs6000_init_builtins): Use build_opaque_vector_type for
4601         opaque_V4SI_type_node.
4602
4603 2009-04-15  Catherine Moore  <clm@codesourcery.com>
4604
4605         * debug.h (set_name):  Declare.
4606         * dwarf2out.c (dwarf2out_set_name): Declare.
4607         (dwarf2_debug_hooks): Add set_name.
4608         (find_AT_string): New.
4609         (add_AT_string): Call find_AT_string.
4610         (dwarf2out_set_name): New.
4611         * cp/decl.c (grokdeclarator): Call set_name.
4612         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
4613         * debug.c (do_nothing_debug_hooks):  Likewise.
4614         * dbxout.c (dbx_debug_hooks): Likewise.
4615         * sdbout.c (sdb_debug_hooks): Likewise.
4616
4617 2009-04-15  Michael Eager  <eager@eagercon.com>
4618
4619         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
4620         reg for single-precision FPU.
4621         * config/rs6000/rs6000.md (movsi_internal1): Only for
4622         !TARGET_SINGLE_FPU.
4623         (movsi_internal1_single): New. Add pattern to move SI values to/from
4624         single-precision FP regs.
4625
4626 2009-04-15  Richard Guenther  <rguenther@suse.de>
4627
4628         * omp-low.c (lower_rec_input_clauses): Build correct address
4629         expressions.
4630         (expand_omp_for_generic): Fix multiplication type.
4631         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
4632         (generate_memset_zero): Fix types.
4633         * tree-profile.c (prepare_instrumented_value): Correctly
4634         widen a pointer.
4635
4636 2009-04-15  Ian Lance Taylor  <iant@google.com>
4637
4638         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
4639         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
4640         for -Wall and for -Wc++-compat.
4641         (c_common_post_options): For C++, set warn_enum_compare if not
4642         already set.
4643         * c-tree.h (struct c_expr): Add field original_type.
4644         (build_external_ref): Update declaration.
4645         * c-parser.c (c_parser_braced_init): Set original_type.
4646         (c_parser_initelt): Likewise.
4647         (c_parser_expr_no_commas): Likewise.
4648         (c_parser_conditional_expression): Likewise.
4649         (c_parser_cast_expression): Likewise.
4650         (c_parser_unary_expression): Likewise.  Pull setting of
4651         original_code to top of function.
4652         (c_parser_sizeof_expression): Set original_type.
4653         (c_parser_alignof_expression): Likewise.
4654         (c_parser_postfix_expression): Likewise.  Pull setting of
4655         original_code to top of function.
4656         (c_parser_postfix_expression_after_paren_type): Set original_type.
4657         (c_parser_postfix_expression_after_primary): Likewise.
4658         (c_parser_expression): Likewise.
4659         * c-typeck.c (build_external_ref): Add type parameter.  Change all
4660         callers.
4661         (c_expr_sizeof_expr): Set original_type field.
4662         (parser_build_unary_op): Likewise.
4663         (parser_build_binary_op): Likewise.  Optionally warn about
4664         comparisons of enums of different types.
4665         (digest_init): Set original_type field.
4666         (really_start_incremental_init): Likewise.
4667         (push_init_level, pop_init_level): Likewise.
4668         * doc/invoke.texi (Warning Options): -Wenum-compare now
4669         supported in C.
4670
4671 2009-04-15  Richard Guenther  <rguenther@suse.de>
4672
4673         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
4674         out a necessary conversion.
4675         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
4676         names we didn't value number.
4677         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
4678
4679 2009-04-15  Richard Guenther  <rguenther@suse.de>
4680
4681         PR tree-optimization/39764
4682         * tree-ssa-ccp.c (get_value): Canonicalize value with
4683         canonicalize_float_value.
4684
4685 2009-04-15  Jan Hubicka  <jh@suse.cz>
4686
4687         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
4688         Wrong version of patch.
4689
4690 2009-04-15  Jan Hubicka  <jh@suse.cz>
4691
4692         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
4693
4694 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
4695
4696         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
4697         our distinct integral and vector types.
4698
4699 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
4700
4701         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
4702         * init.c (build_vtbl_address): Remove call to assemble_external.
4703
4704 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
4705
4706         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
4707         output for other floating point modes.
4708
4709 2009-04-14  Diego Novillo  <dnovillo@google.com>
4710
4711         * diagnostic.c (diagnostic_report_diagnostic): Do not
4712         warn about loaded plugins for DK_ERROR and DK_WARNING.
4713         * c-decl.c (declspecs_add_type): Move call to
4714         invoke_plugin_callbacks ...
4715         * c-parser.c (c_parser_declspecs): ... here.
4716         * plugin.c (dump_active_plugins): Tidy output.
4717
4718 2009-04-14  Diego Novillo  <dnovillo@google.com>
4719             Le-Chun Wu  <lcwu@google.com>
4720
4721         * configure.ac: Add --enable-plugin support.
4722         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
4723         * Makefile.in (PLUGIN_H): Define.
4724         Export ENABLE_PLUGIN and GMPINC to site.exp.
4725         Add PLUGINLIBS to link command.
4726         Add/modify dependencies for plugin.o and files including plugin.h.
4727         (plugin.o): New.
4728         * config.in: Regenerate.
4729
4730         * opts.c (common_handle_option): Handle OPT_fplugin_ and
4731         OPT_fplugin_arg_.
4732
4733 2009-04-14  Le-Chun Wu  <lcwu@google.com>
4734
4735         * tree-pass.h (register_one_dump_file): Add a prototype for
4736         register_one_dump_file.
4737         * toplev.c (compile_file): Call initialize_plugins.
4738         (do_compile): Call invoke_plugin_callbacks.
4739         (toplev_main): Call invoke_plugin_callbacks.
4740         * common.opt: Add -fplugin= and -fplugin-arg-.
4741         * gcc-plugin.h: New public header file for plugins to include.
4742         * plugin.c: New source file.
4743         * plugin.h: New internal header file.
4744         * passes.c (register_one_dump_file): Make it external.
4745
4746         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
4747
4748 2009-04-14  Diego Novillo  <dnovillo@google.com>
4749
4750         * doc/plugins.texi: New.
4751         * doc/gccint.texi: Add reference to Plugins chapter.
4752         * doc/invoke.texi: Document -fplugin and -fplugin-arg
4753         * diagnostic.c (diagnostic_report_diagnostic): Warn about
4754         loaded plugins, if any.
4755         * timevar.def (TV_PLUGIN_INIT): Define.
4756         (TV_PLUGIN_RUN): Define.
4757         * plugin.c: Include timevar.h
4758         (plugins_active_p): New.
4759         (dump_active_plugins): New.
4760         (debug_active_plugins): New.
4761
4762 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
4763
4764         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
4765         library paths.
4766         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
4767
4768 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
4769
4770         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
4771         the same as a minus without a shift.
4772
4773 2009-04-14  Nick Clifton  <nickc@redhat.com>
4774
4775         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
4776         comparisons with small integers will always produce a short
4777         branch.
4778
4779 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
4780
4781         Merge:
4782         2008-12-19  Diego Novillo  <dnovillo@google.com>
4783
4784         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
4785
4786 2009-04-14  Richard Guenther  <rguenther@suse.de>
4787
4788         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
4789         verification.
4790         (verify_gimple_assign_binary): Likewise.  Handle shifts and
4791         rotates correctly.
4792         (verify_gimple_phi): Print the mismatched argument position.
4793         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
4794         Fix types.
4795         (vect_update_init_of_dr): Likewise.
4796         * matrix-reorg.c (transform_access_sites): Do what the
4797         comment suggests.
4798         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
4799
4800 2009-04-13  Michael Eager  <eager@eagercon.com>
4801
4802         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
4803         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
4804         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
4805         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
4806         remove duplicate config
4807
4808 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4809
4810         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
4811         file_name:line_number type locator of the call site.
4812
4813 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
4814
4815         * genautomata.c: Put blank after comma.
4816         (automaton_decls): New.
4817         (struct unit_usage): Add comments to member next.
4818         (store_alt_unit_usage): Keep the list ordered.
4819         (unit_present_on_list_p, equal_alternatives_p): New.
4820         (check_regexp_units_distribution): Check units distribution
4821         correctness correctly.
4822         (main): Don't write automata if error is found.  Return correct
4823         exit code.
4824
4825         * config/m68k/cf.md (cfv4_ds): Remove.
4826         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
4827         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
4828
4829         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
4830         power4-load-ext, power4-store, power4-store-update,
4831         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
4832         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
4833         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
4834         power4-sqrt, power4-isync): Modify reservation to make correct
4835         unit distribution to automata.
4836
4837         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
4838         power5-store-update, power5-two, power5-three, power5-lmul,
4839         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
4840
4841 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
4842
4843         * except.c (pass_set_nothrow_function_flags): Set name and add
4844         TODO_dump_func.
4845         (set_nothrow_function_flags): Mention in the dump file when
4846         changing a function to nothrow.
4847
4848 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
4849
4850         PR/39066
4851         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
4852         instead of unsigned long.
4853
4854 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4855
4856         * config/arm/arm.c (return_used_this_function): Remove.
4857         (arm_output_function_prologue): Remove use of
4858         return_used_this_function.
4859         (output_return_instruction): Replace use of
4860         return_used_this_function
4861         by cfun->machine->return_used_this_function.
4862         (arm_output_epilogue): Likewise.
4863         (arm_output_function_epilogue): Likewise.
4864         (thumb_unexpanded_epilogue): Likewise.
4865         * config/arm/arm.h (struct machine_function):
4866         New member return_used_this_function.
4867
4868 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
4869
4870         * doc/install.texi: Correct description of default directory for
4871         --with-gxx-include-dir.
4872
4873 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
4874
4875         * fold-const.c (build_range_check): Properly deal with enumeral and
4876         boolean base types.
4877
4878 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
4879
4880         * doc/invoke.texi (max_gcse_passes): Remove documentation.
4881         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
4882         * params.h (MAX_GCSE_PASSES): Remove.
4883         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
4884         in sequence.  Remove ability to run multiple passes.
4885         (bypass_jumps): Report run as third CPROP pass.
4886
4887 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
4888
4889         PR middle-end/39651
4890         * except.c (can_throw_external): Look at each insn in a SEQUENCE
4891         when deciding whether the whole SEQUENCE can throw.
4892
4893 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
4894
4895         PR target/39740
4896         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
4897         offseted label references.
4898
4899 2009-04-11  Jan Hubicka  <jh@suse.cz>
4900
4901         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
4902
4903 2009-04-11  Richard Guenther  <rguenther@suse.de>
4904
4905         PR middle-end/39732
4906         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
4907         return variables as TREE_ADDRESSABLE.
4908
4909 2009-04-11  Richard Guenther  <rguenther@suse.de>
4910
4911         PR tree-optimization/39713
4912         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
4913         reference trees have SSA_NAME operands.
4914
4915 2009-04-11  Richard Guenther  <rguenther@suse.de>
4916
4917         PR c/39712
4918         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
4919         address expressions.
4920
4921 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
4922
4923         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
4924         match changes in Cygwin 1.7
4925         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
4926         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
4927
4928 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
4929
4930         PR tree-optimization/39701
4931         * doc/invoke.texi (Optimization Options): Document change in
4932         meaning and initialization of -fdelete-null-pointer-checks.
4933
4934 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
4935
4936         PR middle-end/39701
4937         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
4938
4939         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
4940         here.
4941
4942         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
4943
4944 2009-04-10  Chao-ying Fu  <fu@mips.com>
4945
4946         * doc/tm.texi (Instruction Output): Document
4947         TARGET_ASM_FINAL_POSTSCAN_INSN.
4948         * target.h (final_postscan_insn): New field in asm_out.
4949         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
4950         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
4951         * final.c (final_scan_insn): Call
4952         targetm.asm_out.final_postscan_insn after outputting
4953         an asm macro and a normal instruction.
4954
4955         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
4956         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
4957         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
4958         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
4959         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
4960
4961 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
4962
4963         PR middle-end/39701
4964         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
4965         variables as non-NULL even with -fdelete-null-pointer-checks.
4966
4967 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
4968
4969         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
4970
4971 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4972
4973         PR target/39678
4974         * config/i386/i386.c (classify_argument): Handle SCmode with
4975         (bit_offset % 64) != 0.
4976
4977 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
4978
4979         * doc/invoke.texi (Optimize Options): Add cross-reference to
4980         -Q --help=optimizers examples.
4981
4982 2009-04-10  Ben Elliston  <bje@au.ibm.com>
4983
4984         PR target/36800
4985         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
4986         regalign for the reg == fpr and TDmode case.
4987
4988 2009-04-09  David Ayers  <ayers@fsfe.org>
4989
4990         PR objc/29200
4991         * objc/objc-act.c (warn_with_method): Remove helper function.
4992         (check_duplicates): Call warning and inform directly.
4993         (really_start_method): Likewise.
4994
4995 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
4996
4997         * expmed.c (expand_divmod): Always use a comparison for a division
4998         by a large unsigned integer.
4999
5000         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
5001         for things others than variables or functions as nonzero.
5002
5003 2009-04-09  Nick Clifton  <nickc@redhat.com>
5004
5005         * unwind-compat.c: Change copyright header to refer to version
5006         3 of the GNU General Public License with version 3.1 of the
5007         GCC Runtime Library Exception and to point readers at the
5008         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
5009         * config/alpha/crtfastmath.c: Likewise.
5010         * config/alpha/linux-unwind.h: Likewise.
5011         * config/alpha/qrnnd.asm: Likewise.
5012         * config/alpha/vms-crt0-64.c: Likewise.
5013         * config/alpha/vms-crt0.c: Likewise.
5014         * config/alpha/vms-dwarf2.asm: Likewise.
5015         * config/alpha/vms-dwarf2eh.asm: Likewise.
5016         * config/alpha/vms-psxcrt0-64.c: Likewise.
5017         * config/alpha/vms-psxcrt0.c: Likewise.
5018         * config/alpha/vms_tramp.asm: Likewise.
5019         * config/arc/initfini.c: Likewise.
5020         * config/arc/lib1funcs.asm: Likewise.
5021         * config/arm/bpabi-v6m.S: Likewise.
5022         * config/arm/bpabi.S: Likewise.
5023         * config/arm/bpabi.c: Likewise.
5024         * config/arm/crti.asm: Likewise.
5025         * config/arm/crtn.asm: Likewise.
5026         * config/arm/ieee754-df.S: Likewise.
5027         * config/arm/ieee754-sf.S: Likewise.
5028         * config/arm/lib1funcs.asm: Likewise.
5029         * config/arm/libunwind.S: Likewise.
5030         * config/arm/linux-atomic.c: Likewise.
5031         * config/arm/mmintrin.h: Likewise.
5032         * config/arm/pr-support.c: Likewise.
5033         * config/arm/unaligned-funcs.c: Likewise.
5034         * config/arm/unwind-arm.c: Likewise.
5035         * config/arm/unwind-arm.h: Likewise.
5036         * config/avr/libgcc.S: Likewise.
5037         * config/bfin/crti.s: Likewise.
5038         * config/bfin/crtlibid.s: Likewise.
5039         * config/bfin/crtn.s: Likewise.
5040         * config/bfin/lib1funcs.asm: Likewise.
5041         * config/bfin/linux-unwind.h: Likewise.
5042         * config/cris/arit.c: Likewise.
5043         * config/cris/cris_abi_symbol.c: Likewise.
5044         * config/darwin-64.c: Likewise.
5045         * config/darwin-crt2.c: Likewise.
5046         * config/darwin-crt3.c: Likewise.
5047         * config/darwin.h: Likewise.
5048         * config/dbxelf.h: Likewise.
5049         * config/dfp-bit.c: Likewise.
5050         * config/dfp-bit.h: Likewise.
5051         * config/elfos.h: Likewise.
5052         * config/fixed-bit.c: Likewise.
5053         * config/fixed-bit.h: Likewise.
5054         * config/fp-bit.c: Likewise.
5055         * config/fp-bit.h: Likewise.
5056         * config/fr30/crti.asm: Likewise.
5057         * config/fr30/crtn.asm: Likewise.
5058         * config/fr30/lib1funcs.asm: Likewise.
5059         * config/freebsd-spec.h: Likewise.
5060         * config/frv/cmovd.c: Likewise.
5061         * config/frv/cmovh.c: Likewise.
5062         * config/frv/cmovw.c: Likewise.
5063         * config/frv/frvbegin.c: Likewise.
5064         * config/frv/frvend.c: Likewise.
5065         * config/frv/lib1funcs.asm: Likewise.
5066         * config/glibc-stdint.h: Likewise.
5067         * config/h8300/clzhi2.c: Likewise.
5068         * config/h8300/crti.asm: Likewise.
5069         * config/h8300/crtn.asm: Likewise.
5070         * config/h8300/ctzhi2.c: Likewise.
5071         * config/h8300/fixunssfsi.c: Likewise.
5072         * config/h8300/lib1funcs.asm: Likewise.
5073         * config/h8300/parityhi2.c: Likewise.
5074         * config/h8300/popcounthi2.c: Likewise.
5075         * config/i386/ammintrin.h: Likewise.
5076         * config/i386/att.h: Likewise.
5077         * config/i386/avxintrin.h: Likewise.
5078         * config/i386/biarch64.h: Likewise.
5079         * config/i386/bmmintrin.h: Likewise.
5080         * config/i386/cpuid.h: Likewise.
5081         * config/i386/cross-stdarg.h: Likewise.
5082         * config/i386/crtfastmath.c: Likewise.
5083         * config/i386/crtprec.c: Likewise.
5084         * config/i386/cygming-crtbegin.c: Likewise.
5085         * config/i386/cygming-crtend.c: Likewise.
5086         * config/i386/cygwin.asm: Likewise.
5087         * config/i386/emmintrin.h: Likewise.
5088         * config/i386/gmm_malloc.h: Likewise.
5089         * config/i386/gthr-win32.c: Likewise.
5090         * config/i386/i386.h: Likewise.
5091         * config/i386/immintrin.h: Likewise.
5092         * config/i386/linux-unwind.h: Likewise.
5093         * config/i386/linux64.h: Likewise.
5094         * config/i386/mm3dnow.h: Likewise.
5095         * config/i386/mmintrin-common.h: Likewise.
5096         * config/i386/mmintrin.h: Likewise.
5097         * config/i386/nmmintrin.h: Likewise.
5098         * config/i386/pmm_malloc.h: Likewise.
5099         * config/i386/pmmintrin.h: Likewise.
5100         * config/i386/smmintrin.h: Likewise.
5101         * config/i386/sol2-c1.asm: Likewise.
5102         * config/i386/sol2-ci.asm: Likewise.
5103         * config/i386/sol2-cn.asm: Likewise.
5104         * config/i386/sol2-gc1.asm: Likewise.
5105         * config/i386/tmmintrin.h: Likewise.
5106         * config/i386/unix.h: Likewise.
5107         * config/i386/w32-unwind.h: Likewise.
5108         * config/i386/wmmintrin.h: Likewise.
5109         * config/i386/x86-64.h: Likewise.
5110         * config/i386/x86intrin.h: Likewise.
5111         * config/i386/xmmintrin.h: Likewise.
5112         * config/ia64/crtbegin.asm: Likewise.
5113         * config/ia64/crtend.asm: Likewise.
5114         * config/ia64/crtfastmath.c: Likewise.
5115         * config/ia64/crti.asm: Likewise.
5116         * config/ia64/crtn.asm: Likewise.
5117         * config/ia64/fde-glibc.c: Likewise.
5118         * config/ia64/lib1funcs.asm: Likewise.
5119         * config/ia64/linux-unwind.h: Likewise.
5120         * config/ia64/quadlib.c: Likewise.
5121         * config/ia64/unwind-ia64.c: Likewise.
5122         * config/linux.h: Likewise.
5123         * config/m32c/m32c-lib1.S: Likewise.
5124         * config/m32c/m32c-lib2-trapv.c: Likewise.
5125         * config/m32c/m32c-lib2.c: Likewise.
5126         * config/m32r/initfini.c: Likewise.
5127         * config/m68hc11/larith.asm: Likewise.
5128         * config/m68hc11/m68hc11-crt0.S: Likewise.
5129         * config/m68k/cf.md: Likewise.
5130         * config/m68k/crti.s: Likewise.
5131         * config/m68k/crtn.s: Likewise.
5132         * config/m68k/lb1sf68.asm: Likewise.
5133         * config/m68k/linux-unwind.h: Likewise.
5134         * config/mcore/crti.asm: Likewise.
5135         * config/mcore/crtn.asm: Likewise.
5136         * config/mcore/lib1.asm: Likewise.
5137         * config/mips/linux-unwind.h: Likewise.
5138         * config/mips/loongson.h: Likewise.
5139         * config/mips/mips16.S: Likewise.
5140         * config/mmix/crti.asm: Likewise.
5141         * config/mmix/crtn.asm: Likewise.
5142         * config/pa/fptr.c: Likewise.
5143         * config/pa/hpux-unwind.h: Likewise.
5144         * config/pa/lib2funcs.asm: Likewise.
5145         * config/pa/linux-atomic.c: Likewise.
5146         * config/pa/linux-unwind.h: Likewise.
5147         * config/pa/milli64.S: Likewise.
5148         * config/pa/quadlib.c: Likewise.
5149         * config/pa/stublib.c: Likewise.
5150         * config/picochip/libgccExtras/adddi3.asm: Likewise.
5151         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
5152         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
5153         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
5154         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
5155         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
5156         * config/picochip/libgccExtras/divmod15.asm: Likewise.
5157         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
5158         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
5159         * config/picochip/libgccExtras/longjmp.asm: Likewise.
5160         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
5161         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
5162         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
5163         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
5164         * config/picochip/libgccExtras/setjmp.asm: Likewise.
5165         * config/picochip/libgccExtras/subdi3.asm: Likewise.
5166         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
5167         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
5168         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
5169         * config/rs6000/750cl.h: Likewise.
5170         * config/rs6000/altivec.h: Likewise.
5171         * config/rs6000/biarch64.h: Likewise.
5172         * config/rs6000/crtresfpr.asm: Likewise.
5173         * config/rs6000/crtresgpr.asm: Likewise.
5174         * config/rs6000/crtresxfpr.asm: Likewise.
5175         * config/rs6000/crtresxgpr.asm: Likewise.
5176         * config/rs6000/crtsavfpr.asm: Likewise.
5177         * config/rs6000/crtsavgpr.asm: Likewise.
5178         * config/rs6000/darwin-asm.h: Likewise.
5179         * config/rs6000/darwin-fallback.c: Likewise.
5180         * config/rs6000/darwin-fpsave.asm: Likewise.
5181         * config/rs6000/darwin-ldouble.c: Likewise.
5182         * config/rs6000/darwin-tramp.asm: Likewise.
5183         * config/rs6000/darwin-unwind.h: Likewise.
5184         * config/rs6000/darwin-vecsave.asm: Likewise.
5185         * config/rs6000/darwin-world.asm: Likewise.
5186         * config/rs6000/e500crtres32gpr.asm: Likewise.
5187         * config/rs6000/e500crtres64gpr.asm: Likewise.
5188         * config/rs6000/e500crtres64gprctr.asm: Likewise.
5189         * config/rs6000/e500crtrest32gpr.asm: Likewise.
5190         * config/rs6000/e500crtrest64gpr.asm: Likewise.
5191         * config/rs6000/e500crtresx32gpr.asm: Likewise.
5192         * config/rs6000/e500crtresx64gpr.asm: Likewise.
5193         * config/rs6000/e500crtsav32gpr.asm: Likewise.
5194         * config/rs6000/e500crtsav64gpr.asm: Likewise.
5195         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
5196         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
5197         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
5198         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
5199         * config/rs6000/eabi-ci.asm: Likewise.
5200         * config/rs6000/eabi-cn.asm: Likewise.
5201         * config/rs6000/eabi.asm: Likewise.
5202         * config/rs6000/linux-unwind.h: Likewise.
5203         * config/rs6000/linux64.h: Likewise.
5204         * config/rs6000/paired.h: Likewise.
5205         * config/rs6000/paired.md: Likewise.
5206         * config/rs6000/ppc64-fp.c: Likewise.
5207         * config/rs6000/ppu_intrinsics.h: Likewise.
5208         * config/rs6000/rs6000.h: Likewise.
5209         * config/rs6000/si2vmx.h: Likewise.
5210         * config/rs6000/sol-ci.asm: Likewise.
5211         * config/rs6000/sol-cn.asm: Likewise.
5212         * config/rs6000/spe.h: Likewise.
5213         * config/rs6000/spu2vmx.h: Likewise.
5214         * config/rs6000/sysv4.h: Likewise.
5215         * config/rs6000/tramp.asm: Likewise.
5216         * config/rs6000/vec_types.h: Likewise.
5217         * config/s390/linux-unwind.h: Likewise.
5218         * config/s390/tpf-unwind.h: Likewise.
5219         * config/score/crti.asm: Likewise.
5220         * config/score/crtn.asm: Likewise.
5221         * config/sh/crt1.asm: Likewise.
5222         * config/sh/crti.asm: Likewise.
5223         * config/sh/crtn.asm: Likewise.
5224         * config/sh/divtab-sh4-300.c: Likewise.
5225         * config/sh/divtab-sh4.c: Likewise.
5226         * config/sh/divtab.c: Likewise.
5227         * config/sh/lib1funcs-4-300.asm: Likewise.
5228         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
5229         * config/sh/lib1funcs.asm: Likewise.
5230         * config/sh/lib1funcs.h: Likewise.
5231         * config/sh/linux-atomic.asm: Likewise.
5232         * config/sh/linux-unwind.h: Likewise.
5233         * config/sh/shmedia.h: Likewise.
5234         * config/sh/sshmedia.h: Likewise.
5235         * config/sh/ushmedia.h: Likewise.
5236         * config/sparc/crtfastmath.c: Likewise.
5237         * config/sparc/linux-unwind.h: Likewise.
5238         * config/sparc/sol2-c1.asm: Likewise.
5239         * config/sparc/sol2-ci.asm: Likewise.
5240         * config/sparc/sol2-cn.asm: Likewise.
5241         * config/spu/divmodti4.c: Likewise.
5242         * config/spu/divv2df3.c: Likewise.
5243         * config/spu/float_disf.c: Likewise.
5244         * config/spu/float_unsdidf.c: Likewise.
5245         * config/spu/float_unsdisf.c: Likewise.
5246         * config/spu/float_unssidf.c: Likewise.
5247         * config/spu/mfc_multi_tag_release.c: Likewise.
5248         * config/spu/mfc_multi_tag_reserve.c: Likewise.
5249         * config/spu/mfc_tag_release.c: Likewise.
5250         * config/spu/mfc_tag_reserve.c: Likewise.
5251         * config/spu/mfc_tag_table.c: Likewise.
5252         * config/spu/multi3.c: Likewise.
5253         * config/spu/spu_internals.h: Likewise.
5254         * config/spu/spu_intrinsics.h: Likewise.
5255         * config/spu/spu_mfcio.h: Likewise.
5256         * config/spu/vec_types.h: Likewise.
5257         * config/spu/vmx2spu.h: Likewise.
5258         * config/stormy16/stormy16-lib2.c: Likewise.
5259         * config/svr4.h: Likewise.
5260         * config/sync.c: Likewise.
5261         * config/v850/lib1funcs.asm: Likewise.
5262         * config/vxlib-tls.c: Likewise.
5263         * config/vxlib.c: Likewise.
5264         * config/vxworks-dummy.h: Likewise.
5265         * config/xtensa/crti.asm: Likewise.
5266         * config/xtensa/crtn.asm: Likewise.
5267         * config/xtensa/ieee754-df.S: Likewise.
5268         * config/xtensa/ieee754-sf.S: Likewise.
5269         * config/xtensa/lib1funcs.asm: Likewise.
5270         * config/xtensa/lib2funcs.S: Likewise.
5271         * config/xtensa/linux-unwind.h: Likewise.
5272         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
5273         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
5274         * coretypes.h: Likewise.
5275         * crtstuff.c: Likewise.
5276         * defaults.h: Likewise.
5277         * dwarf2.h: Likewise.
5278         * emutls.c: Likewise.
5279         * gbl-ctors.h: Likewise.
5280         * gcov-io.h: Likewise.
5281         * ginclude/float.h: Likewise.
5282         * ginclude/iso646.h: Likewise.
5283         * ginclude/stdarg.h: Likewise.
5284         * ginclude/stdbool.h: Likewise.
5285         * ginclude/stddef.h: Likewise.
5286         * ginclude/stdfix.h: Likewise.
5287         * ginclude/stdint-gcc.h: Likewise.
5288         * ginclude/tgmath.h: Likewise.
5289         * gthr-aix.h: Likewise.
5290         * gthr-dce.h: Likewise.
5291         * gthr-gnat.c: Likewise.
5292         * gthr-gnat.h: Likewise.
5293         * gthr-lynx.h: Likewise.
5294         * gthr-mipssde.h: Likewise.
5295         * gthr-nks.h: Likewise.
5296         * gthr-posix.c: Likewise.
5297         * gthr-posix.h: Likewise.
5298         * gthr-posix95.h: Likewise.
5299         * gthr-rtems.h: Likewise.
5300         * gthr-single.h: Likewise.
5301         * gthr-solaris.h: Likewise.
5302         * gthr-tpf.h: Likewise.
5303         * gthr-vxworks.h: Likewise.
5304         * gthr-win32.h: Likewise.
5305         * gthr.h: Likewise.
5306         * libgcc2.c: Likewise.
5307         * libgcc2.h: Likewise.
5308         * libgcov.c: Likewise.
5309         * tsystem.h: Likewise.
5310         * typeclass.h: Likewise.
5311         * unwind-c.c: Likewise.
5312         * unwind-compat.h: Likewise.
5313         * unwind-dw2-fde-compat.c: Likewise.
5314         * unwind-dw2-fde-darwin.c: Likewise.
5315         * unwind-dw2-fde-glibc.c: Likewise.
5316         * unwind-dw2-fde.c: Likewise.
5317         * unwind-dw2-fde.h: Likewise.
5318         * unwind-dw2.c: Likewise.
5319         * unwind-dw2.h: Likewise.
5320         * unwind-generic.h: Likewise.
5321         * unwind-pe.h: Likewise.
5322         * unwind-sjlj.c: Likewise.
5323         * unwind.inc: Likewise.
5324         * config/arm/neon-gen.ml: Change generated copyright header to
5325         refer to version 3 of the GNU General Public License with
5326         version 3.1 of the GCC Runtime Library Exception and to point
5327         readers at the COPYING3 and COPYING3.RUNTIME files and the
5328         FSF's license web page.
5329         * config/arm/arm_neon.h: Regenerate.
5330
5331 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
5332
5333         * config/cris/cris.md: Change copyright header to refer to version
5334         3 of the GNU General Public License.
5335         * doc/install.texi2html: Change copyright header to refer to version
5336         3 of the GNU General Public License and to point readers at the
5337         COPYING3 file and the FSF's license web page.
5338         * config/vax/linux.h: Likewise.
5339
5340 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5341
5342         * config/i386/i386.md (cmpcc): New.
5343         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
5344         (sync_compare_and_swap_cc*): Delete.
5345
5346         * config/s390/s390.c (s390_compare_emitted): Remove.
5347         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
5348         s390_compare_emitted used to be handled.  Assert that modes match.
5349         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
5350         refer to sync_compare_and_swap_ccsi.
5351         * config/s390/s390.h (s390_compare_emitted): Remove.
5352         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
5353         instead of s390_compare_emitted.
5354         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
5355         instead of s390_compare_emitted.
5356         * config/s390/s390.md (cmpcc): New.
5357         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
5358         CC_REGNUM, do not pretend it's set.
5359         (sync_compare_and_swap_cc*): Delete.
5360         * config/s390/predicates.md (cc_reg_operand): New.
5361
5362         * expr.c (sync_compare_and_swap_cc): Delete.
5363         * optabs.h (sync_compare_and_swap_cc): Delete.
5364         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
5365         is being used with can_compare_p.
5366         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
5367         (find_cc_set): New.
5368         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
5369         look for a MODE_CC set instead.  Use emit_store_flag.
5370         (expand_compare_and_swap_loop): Likewise, with some additional
5371         complication to avoid a force_reg when useless.  Use
5372         emit_cmp_and_jump_insns.
5373         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
5374         * doc/md.texi (sync_compare_and_swap_cc): Merge with
5375         sync_compare_and_swap documentation.
5376
5377 2009-04-09  Jan Hubicka  <jh@suse.cz>
5378
5379         * except.c (find_prev_try): Break out from ....
5380         (duplicate_eh_regions): ... here; properly update prev_try pointers
5381         when duplication part of tree.
5382         (dump_eh_tree): Improve dumping.
5383         (verify_eh_region): New.
5384         (verify_eh_tree): Use it.
5385
5386 2009-04-06  Richard Guenther  <rguenther@suse.de>
5387
5388         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
5389         &ARRAY addresses by adjusting their types and prepending
5390         a conversion.
5391         * tree-cfg.c (verify_gimple_assign_single): Verify that
5392         addresses are correct.
5393
5394 2009-04-09  Richard Guenther  <rguenther@suse.de>
5395
5396         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
5397         indices into an array reference if possible.
5398         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
5399         Fold POINTER_PLUS_EXPR statements with invariant address.
5400
5401 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
5402
5403         PR target/39634
5404         * config.gcc (powerpc64-*-linux*): Always build biarch.
5405
5406 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
5407
5408         PR c/39613
5409         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
5410         it and pedwarn if this results in an INTEGER_CST.
5411
5412 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5413
5414         * doc/install.texi: Update minimum GMP version.  Remove obsolete
5415         text in MPFR section.
5416
5417 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
5418
5419         * dwarf2out.c (class_scope_p): New static inline.
5420         (class_or_namespace_scope_p): Use it.
5421         (gen_variable_die): Use DW_TAG_member tag for static data member
5422         declarations instead of DW_TAG_variable.
5423
5424         PR middle-end/39573
5425         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
5426         variables.
5427
5428 2009-04-08  Richard Guenther  <rguenther@suse.de>
5429
5430         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
5431         valueize random data.
5432
5433 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
5434
5435         * config.gcc (aix tm_file):  Add aix-stdint.h.
5436         (aix tm clause use_gcc_stdint):  Set to wrap.
5437         * config/rs6000/aix-stdint.h:  New file.
5438
5439 2009-04-08  Richard Guenther  <rguenther@suse.de>
5440
5441         PR middle-end/36291
5442         * tree-dfa.c (add_referenced_var): Do not recurse into
5443         global initializers.
5444         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
5445         exposed variables.
5446         (fold_const_aggregate_ref): Likewise.
5447
5448 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5449
5450         * recog.c (ordered_comparison_operator): New.
5451         * gensupport.c (std_preds): Add it.
5452         * doc/md.texi (Machine-Independent Predicates): Document it.
5453
5454 2009-04-08  Jan Hubicka  <jh@suse.cz>
5455
5456         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
5457         * function.h (rtl_eh): Remove exception_handler_label_map.
5458         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
5459         remove_exception_handler_label, for_each_eh_label_1): Remove.
5460         (rtl_remove_unreachable_regions): Remove.
5461         (convert_from_eh_region_ranges): Do not remove unreachable regions.
5462         (find_exception_handler_labels): Don't build the hashtable.
5463         (maybe_remove_eh_handler): Remove.
5464         (for_each_eh_label): Rewrite to walk the tree.
5465         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
5466         * except.h (maybe_remove_eh_handler): Remove.
5467         * passes.c (init_optimization_passes): Schedule second EH cleanup
5468         before out-of-ssa.
5469         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
5470         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
5471
5472 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5473
5474         * genoutput.c (validate_optab_operands): New.
5475         (gen_insn, gen_expand): Call it.
5476
5477         * genflags.c (gen_insn): Detect misused iterators.
5478         (main): Pass line_no to gen_insn, exit with status 1 on error.
5479
5480         * genextract.c (line_no): Make global.
5481         (VEC_safe_set_locstr): Change assertion to error message.
5482         (main): Exit with status 1 on error.
5483
5484 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
5485
5486         PR c/39614
5487         PR c/39673
5488         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
5489         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
5490         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
5491         * c-convert.c (convert): Do not call fold on results of conversion
5492         functions when the result is a C_MAYBE_CONST_EXPR.
5493         * c-parser.c (c_parser_postfix_expression): Do not fold condition
5494         of __builtin_choose_expr.
5495         * c-typeck.c (remove_c_maybe_const_expr): New.
5496         (build_unary_op, build_conditional_expr, build_compound_expr,
5497         build_binary_op, c_objc_common_truthvalue_conversion): Call
5498         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
5499         integer operands.
5500
5501 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
5502
5503         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
5504         CODE to produce a new one. Add a prototype to use fold_convert_const
5505
5506 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
5507
5508         PR bootstrap/39660
5509         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
5510         mix declarations and code.
5511
5512 2009-04-08  Ben Elliston  <bje@au.ibm.com>
5513
5514         * gcc.c: Replace `CC' with `GCC' throughout.
5515
5516 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
5517
5518         * doc/invoke.texi: Document Atom support.
5519
5520 2009-04-07  Jason Merrill  <jason@redhat.com>
5521
5522         PR c++/25185
5523         * c-common.h, c-common.c: Add flag_pretty_templates.
5524         * c-opts.c (c_common_handle_option): Set it.
5525         * c.opt: Add -fno-pretty-templates.
5526         * doc/invoke.texi (C++ Dialect Options): Likewise.
5527
5528 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
5529
5530         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
5531         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
5532         (ia64_expand_builtin): Likewise.
5533
5534 2009-04-07  Martin Jambor  <mjambor@suse.cz>
5535
5536         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
5537         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
5538         ADDR_EXPRS are include too.
5539
5540 2009-04-07  Richard Guenther  <rguenther@suse.de>
5541
5542         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
5543         decls are only used if passes as parameters or if they are
5544         local statics and the call is not to a builtin.
5545         (call_may_clobber_ref_p_1): Likewise.
5546
5547 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5548
5549         * expr.c (do_store_flag): Remove last argument.  Simplify code
5550         to avoid duplication of tests already done by can_compare_p.
5551         (expand_expr_real_1): Adjust caller.
5552
5553 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5554
5555         * optabs.c (can_compare_p): Test the predicate of a
5556         cbranch and cstore pattern.
5557
5558 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5559
5560         * expr.c (convert_move): Use emit_store_flag instead of
5561         "emulating" it.
5562
5563 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5564
5565         * config/i386/i386.c (ix86_compare_emitted): Remove.
5566         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
5567         ix86_compare_op0 like ix86_compare_emitted used to be handled.
5568         * config/i386/i386.h (ix86_compare_emitted): Remove.
5569         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
5570         instead of ix86_compare_emitted.
5571         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
5572
5573 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
5574
5575         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
5576         Add t-sysroot-suffix to tmake_file.
5577         * config/print-sysroot-suffix.sh: New file.
5578         * config/t-sysroot-suffix: New file.
5579
5580 2009-04-07  Ben Elliston  <bje@au.ibm.com>
5581
5582         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
5583         as the latter produces a warning when the target does not support
5584         infinity.
5585
5586 2009-04-07  Ben Elliston  <bje@au.ibm.com>
5587
5588         * dfp.c: Replace type punning assignments with memcpy throughout.
5589         * Makefile.in (dfp.o-warn): Remove.
5590
5591 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
5592
5593         PR target/39634
5594         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
5595         Include soft-fp/t-softfp after rs6000/t-linux64.
5596
5597 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
5598
5599         * stor-layout.c (set_sizetype): Use the full precision of their
5600         machine mode for bitsize types.
5601
5602 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
5603
5604         * config/i386/i386.md: Revert 2 accidental checkins.
5605
5606 2009-04-06  Joey Ye  <joey.ye@intel.com>
5607             Xuepeng Guo  <xuepeng.guo@intel.com>
5608             H.J. Lu  <hongjiu.lu@intel.com>
5609
5610         Atom pipeline model, tuning and insn selection.
5611         * config.gcc (atom): Add atom config options and target.
5612
5613         * config/i386/atom.md: New.
5614
5615         * config/i386/i386.c (atom_cost): New cost.
5616         (m_ATOM): New macro flag.
5617         (initial_ix86_tune_features): Set m_ATOM.
5618         (x86_accumulate_outgoing_args): Likewise.
5619         (x86_arch_always_fancy_math_387): Likewise.
5620         (processor_target): Add Atom cost.
5621         (cpu_names): Add Atom cpu name.
5622         (override_options): Set Atom ISA.
5623         (ix86_issue_rate): New case PROCESSOR_ATOM.
5624         (ix86_adjust_cost): Likewise.
5625
5626         * config/i386/i386.h (TARGET_ATOM): New target macro.
5627         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
5628         (TARGET_OPT_AGU): New target option.
5629         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
5630         (processor_type): Add PROCESSOR_ATOM.
5631
5632         * config/i386/i386.md (cpu): Add new value "atom".
5633         (use_carry, movu): New attr.
5634         (atom.md): Include atom.md.
5635         (adddi3_carry_rex64): Set attr "use_carry".
5636         (addqi3_carry): Likewise.
5637         (addhi3_carry): Likewise.
5638         (addsi3_carry): Likewise.
5639         (*addsi3_carry_zext): Likewise.
5640         (subdi3_carry_rex64): Likewise.
5641         (subqi3_carry): Likewise.
5642         (subhi3_carry): Likewise.
5643         (subsi3_carry): Likewise.
5644         (x86_movdicc_0_m1_rex64): Likewise.
5645         (*x86_movdicc_0_m1_se): Likewise.
5646         (x86_movsicc_0_m1): Likewise.
5647         (*x86_movsicc_0_m1_se): Likewise.
5648         (*adddi_1_rex64): Emit add insn as much as possible.
5649         (*addsi_1): Likewise.
5650         (return_internal): Set atom_unit.
5651         (return_internal_long): Likewise.
5652         (return_pop_internal): Likewise.
5653         (*rcpsf2_sse): Set atom_sse_attr attr.
5654         (*qrt<mode>2_sse): Likewise.
5655         (*prefetch_sse): Likewise.
5656
5657         * config/i386/i386-c.c (ix86_target_macros_internal): New case
5658         PROCESSOR_ATOM.
5659         (ix86_target_macros_internal): Likewise.
5660
5661         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
5662         (*prefetch_sse_rex): Likewise.
5663         (sse_rcpv4sf2): Likewise.
5664         (sse_vmrcpv4sf2): Likewise.
5665         (sse_sqrtv4sf2): Likewise.
5666         (<sse>_vmsqrt<mode>2): Likewise.
5667         (sse_ldmxcsr): Likewise.
5668         (sse_stmxcsr): Likewise.
5669         (*sse_sfence): Likewise.
5670         (sse2_clflush): Likewise.
5671         (*sse2_mfence): Likewise.
5672         (*sse2_lfence): Likewise.
5673         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
5674         (<sse>_movup<ssemodesuffixf2c>): Likewise.
5675         (avx_movdqu<avxmodesuffix>): Likewise.
5676         (avx_lddqu<avxmodesuffix>): Likewise.
5677         (sse2_movntv2di): Change attr "type" to "ssemov".
5678         (sse2_movntsi): Likewise.
5679         (rsqrtv8sf2): Change attr "type" to "sseadd".
5680         (sse3_addsubv2df3): Set attr "atom_unit".
5681         (sse3_h<plusminus_insn>v4sf3): Likewise.
5682         (*sse2_pmaddwd): Likewise.
5683         (*vec_extractv2di_1_rex64): Likewise.
5684         (*vec_extractv2di_1_avx): Likewise.
5685         (sse2_psadbw): Likewise.
5686         (ssse3_phaddwv8hi3): Likewise.
5687         (ssse3_phaddwv4hi3): Likewise.
5688         (ssse3_phadddv4si3): Likewise.
5689         (ssse3_phadddv2si3): Likewise.
5690         (ssse3_phaddswv8hi3): Likewise.
5691         (ssse3_phaddswv4hi3): Likewise.
5692         (ssse3_phsubwv8hi3): Likewise.
5693         (ssse3_phsubwv4hi3): Likewise.
5694         (ssse3_phsubdv4si3): Likewise.
5695         (ssse3_phsubdv2si3): Likewise.
5696         (ssse3_phsubswv8hi3): Likewise.
5697         (ssse3_phsubswv4hi3): Likewise.
5698         (ssse3_pmaddubsw128): Likewise.
5699         (sse3_pmaddubsw: Likewise.
5700         (ssse3_palignrti): Likewise.
5701         (ssse3_palignrdi): Likewise.
5702
5703 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
5704
5705         * doc/install.texi (Specific): Fix two cross-references to MinGW.
5706
5707 2009-04-06  Richard Guenther  <rguenther@suse.de>
5708
5709         PR tree-optimization/28868
5710         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
5711         of which PHI results we inserted.
5712         (insert_into_preds_of_block): Record inserted PHIs.
5713         (eliminate): Eliminate redundant PHI nodes.
5714         (init_pre): Init inserted_phi_names.
5715
5716 2009-04-06  Richard Guenther  <rguenther@suse.de>
5717
5718         PR tree-optimization/39643
5719         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
5720         IMAGPART_EXPRs of complex constants.
5721         (execute_fold_all_builtins): If we folded a call queue
5722         TODO_update_address_taken.
5723
5724 2009-04-06  Jan Hubicka  <jh@suse.cz>
5725
5726         PR middle-end/39659
5727         * except.c (remove_unreachable_regions): Propagate may_contain_throw
5728         flag.
5729
5730 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
5731
5732         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
5733         delay slot.
5734         (ic_invalidate_array): Likewise.
5735
5736 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
5737
5738         * calls.c (emit_library_call_value_1): Fix a problem with parameter
5739         alignment for library calls.
5740
5741 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
5742
5743         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
5744         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
5745         * config/i386/mingw-stdint.h:  New file.
5746
5747 2009-04-05  Richard Guenther  <rguenther@suse.de>
5748
5749         PR tree-optimization/39648
5750         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
5751         our &A vs. &A[0] IL deficiencies.
5752
5753 2009-04-04  Jan Hubicka  <jh@suse.cz>
5754
5755         * except.c (sjlj_find_directly_reachable_regions): Be ready for
5756         removed toplevel regions.
5757         (sjlj_mark_call_sites): Likewise.
5758
5759 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
5760
5761         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
5762         (cygwin tm clause use_gcc_stdint):  Set to wrap.
5763         * config/i386/cygwin-stdint.h:  New file.
5764
5765 2009-04-04  Richard Guenther  <rguenther@suse.de>
5766
5767         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
5768         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
5769         single-argument PHIs if we are in loop-closed SSA form.
5770         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
5771         for the pre-condition.
5772         (slpeel_tree_peel_loop_to_edge): Likewise.
5773         (vect_build_loop_niters): Take an optional sequence to append stmts.
5774         (vect_generate_tmps_on_preheader): Likewise.
5775         (vect_do_peeling_for_loop_bound): Take extra guards for the
5776         pre-condition.
5777         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
5778         the cost model check.
5779         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
5780         guards if we are going to peel.  Do not apply versioning in that case.
5781         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
5782         (vect_do_peeling_for_loop_bound): Likewise.
5783         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
5784         loop bound only record extra pre-conditions, do not apply loop
5785         versioning.
5786
5787 2009-04-04  Richard Guenther  <rguenther@suse.de>
5788
5789         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
5790         renaming code.
5791
5792 2009-04-04  Jan Hubicka  <jh@suse.cz>
5793
5794         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
5795         last_basic_block for size of bb->index indexed array.
5796         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
5797         compute_out, link_btr_uses, build_btr_def_use_webs,
5798         build_btr_def_use_webs, migrate_btr_defs): Likewise.
5799
5800 2009-04-04  Jan Hubicka  <jh@suse.cz>
5801
5802         * except.c (remove_eh_handler_and_replace): Break out from ...
5803         (remove_eh_handler): ... here.
5804         (bring_to_root): New function.
5805         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
5806         handled ones, bring others to root of tree.
5807
5808 2009-04-04  Jan Hubicka  <jh@suse.cz>
5809
5810         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
5811         (all_phis_safe_to_merge): New function.
5812         (update_info): New structure.
5813         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
5814         (cleanup_empty_eh): Update SSA if possible.
5815
5816 2009-04-04  Richard Guenther  <rguenther@suse.de>
5817
5818         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
5819         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
5820         (append_vuse): Likewise.
5821
5822 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
5823
5824         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
5825         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
5826         instead of REG_UNSAVED for DW_CFA_undefined.
5827         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
5828         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
5829         outermost frame.
5830
5831 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
5832
5833         PR target/39501
5834         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
5835         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
5836         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
5837
5838 2009-04-04  Richard Guenther  <rguenther@suse.de>
5839
5840         PR tree-optimization/8781
5841         PR tree-optimization/37892
5842         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
5843         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
5844         (valueize_refs): Call it for *& valueizations.
5845         (shared_reference_ops_from_ref): Rename to ...
5846         (valueize_shared_reference_ops_from_ref): ... this and valueize.
5847         (shared_reference_ops_from_call): Rename to ...
5848         (valueize_shared_reference_ops_from_call): ... this and valueize.
5849         (vn_reference_lookup): Update.
5850         (visit_reference_op_call): Likewise.
5851         * tree-ssa-pre.c (phi_translate_1): Fold *&.
5852         (eliminate): Value-replace the call address in call statements.
5853
5854 2009-04-04  Richard Guenther  <rguenther@suse.de>
5855
5856         PR tree-optimization/39636
5857         * tree-ssa-forwprop.c
5858         (forward_propagate_addr_into_variable_array_index): Check for
5859         GIMPLE_ASSIGN before accessing the rhs code.
5860
5861 2009-04-03  Jason Merrill  <jason@redhat.com>
5862
5863         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
5864
5865 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
5866
5867         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
5868         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
5869         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
5870         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
5871         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
5872         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
5873         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
5874         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
5875         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
5876         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
5877         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
5878         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
5879         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
5880         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
5881         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
5882         Use fr_reg_or_fp01_operand instead of fr_register_operand
5883
5884         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
5885         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
5886         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
5887
5888 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
5889
5890         PR rtl-optimization/39607
5891         PR rtl-optimization/39631
5892
5893         Revert:
5894
5895         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
5896         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
5897         instead of DF_LR_OUT.
5898         * ira-lives.c (process_bb_node_lives): Ditto.
5899         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
5900         instead of DF_LR_{OUT,IN}.
5901         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
5902         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
5903
5904 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
5905
5906         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
5907         (execute_lower_omp): Always run but take the short way out if -fopenmp
5908         is not given.
5909         (gate_lower_omp): Remove, forcing the pass manager to always run the
5910         pass and always set PROP_gimple_lomp.
5911         (pass_lower_omp): Remove gate function.
5912         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
5913         PROP_trees.  Instead, require it.
5914         * ipa-cp.c (pass_ipa_cp): Likewise.
5915         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
5916         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
5917         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
5918         and PROP_gimple_leh.
5919
5920 2009-04-03  Richard Guenther  <rguenther@suse.de>
5921
5922         PR middle-end/13146
5923         PR tree-optimization/23940
5924         PR tree-optimization/33237
5925         PR middle-end/33974
5926         PR middle-end/34093
5927         PR tree-optimization/36201
5928         PR tree-optimization/36230
5929         PR tree-optimization/38049
5930         PR tree-optimization/38207
5931         PR tree-optimization/38230
5932         PR tree-optimization/38301
5933         PR tree-optimization/38585
5934         PR middle-end/38895
5935         PR tree-optimization/38985
5936         PR tree-optimization/39299
5937         * tree-ssa-structalias.h: Remove.
5938         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
5939         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
5940         (struct vuse_element_d): Remove.
5941         (struct vuse_vec_d): Likewise.
5942         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
5943         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
5944         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
5945         VUSE_ELEMENT_VAR): Likewise.
5946         (struct voptype_d): Likewise.
5947         (NUM_VOP_FREE_BUCKETS): Likewise.
5948         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
5949         (struct stmt_operands_d): Remove.
5950         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
5951         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
5952         VDEF_NUM, VDEF_VECT): Likewise.
5953         (copy_virtual_operands): Remove.
5954         (operand_build_cmp): Likewise.
5955         (create_ssa_artificial_load_stmt): Likewise.
5956         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
5957         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
5958         vuse_index and mayuse_index members.  Pack and move done and iter_type
5959         members to the front.
5960         (SSA_OP_VMAYUSE): Remove.
5961         (SSA_OP_VIRTUAL_USES): Adjust.
5962         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
5963         (unlink_stmt_vdef): Declare.
5964         (add_to_addressable_set): Remove.
5965         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
5966         (vrp_visit_stmt): Likewise.
5967         * doc/tree-ssa.texi (Alias analysis): Update.
5968         * doc/invoke.texi (max-aliased-vops): Remove docs.
5969         (avg-aliased-vops): Likewise.
5970         * tree-into-ssa.c (syms_to_rename): Remove.
5971         (need_to_update_vops_p): Likewise.
5972         (need_to_initialize_update_ssa_p): Rename to ...
5973         (update_ssa_initialized_fn): ... this.  Track function we are
5974         initialized for.
5975         (symbol_marked_for_renaming): Simplify.
5976         (add_new_name_mapping): Do not set need_to_update_vops_p.
5977         (dump_currdefs): Use SYMS_TO_RENAME.
5978         (rewrite_update_stmt): Always walk all uses/defs.
5979         (dump_update_ssa): Adjust.
5980         (init_update_ssa): Take function argument.  Track what we are
5981         initialized for.
5982         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
5983         (create_new_def_for): Initialize for cfun, assert we are initialized
5984         for cfun.
5985         (mark_sym_for_renaming): Simplify.
5986         (mark_set_for_renaming): Do not initialize update-ssa.
5987         (need_ssa_update_p): Simplify.  Take function argument.
5988         (name_mappings_registered_p): Assert we ask for the correct function.
5989         (name_registered_for_update_p): Likewise.
5990         (ssa_names_to_replace): Likewise.
5991         (release_ssa_name_after_update_ssa): Likewise.
5992         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
5993         (dump_decl_set): Do not print a newline.
5994         (debug_decl_set): Do it here.
5995         (dump_update_ssa): And here.
5996         * tree-ssa-loop-im.c (move_computations): Adjust.
5997         (movement_possibility): Likewise.
5998         (determine_max_movement): Likewise.
5999         (gather_mem_refs_stmt): Likewise.
6000         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
6001         or NAME_MEMORY_TAG.
6002         * tree-complex.c (update_all_vops): Remove.
6003         (expand_complex_move): Adjust.
6004         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
6005         Simplify test for memory referencing statement.  Exclude
6006         non-invariant ADDR_EXPRs.
6007         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
6008         * tree-loop-distribution.c (generate_memset_zero): Adjust.
6009         (rdg_flag_uses): Likewise.
6010         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
6011         related code.
6012         (tree_optimize_tail_calls_1): Also split the
6013         edge from the entry block if we have degenerate PHI nodes in
6014         the first basic block.
6015         * tree.c (init_ttree): Remove memory-tag related code.
6016         (tree_code_size): Likewise.
6017         (tree_node_structure): Likewise.
6018         (build7_stat): Re-write to be build6_stat.
6019         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
6020         (SSA_VAR_P): Adjust.
6021         (struct tree_memory_tag): Remove.
6022         (struct tree_memory_partition_tag): Likewise.
6023         (union tree_node): Adjust.
6024         (build7): Re-write to be build6.
6025         * tree-pass.h (pass_reset_cc_flags): Remove.
6026         (TODO_update_address_taken): New flag.
6027         (pass_simple_dse): Remove.
6028         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
6029         * params.h (MAX_ALIASED_VOPS): Remove.
6030         (AVG_ALIASED_VOPS): Likewise.
6031         * omp-low.c (expand_omp_taskreg): Update SSA form.
6032         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
6033         aliases the lhs in a copy stmt.
6034         * tree-ssa-dse.c (struct address_walk_data): Remove.
6035         (memory_ssa_name_same): Likewise.
6036         (memory_address_same): Likewise.
6037         (get_kill_of_stmt_lhs): Likewise.
6038         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
6039         unused stores.  Look through PHI nodes into post-dominated regions.
6040         (dse_optimize_stmt): Simplify.  Properly remove stores.
6041         (tree_ssa_dse): Compute dominators.
6042         (execute_simple_dse): Remove.
6043         (pass_simple_dse): Likewise.
6044         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
6045         gimple_loaded_syms and gimple_stored_syms computation.
6046         * toplev.c (dump_memory_report): Dump alias and pta stats.
6047         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
6048         (vn_reference_eq): Likewise.
6049         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
6050         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
6051         valueize_vuses): Remove.
6052         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
6053         (get_def_ref_stmt_vuse): ... this.
6054         (vn_reference_lookup_2): New function.
6055         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
6056         walking equivalent vuses.  Simplify.
6057         (vn_reference_lookup): Likewise.
6058         (vn_reference_insert): Likewise.
6059         (vn_reference_insert_pieces): Likewise.
6060         (visit_reference_op_call): Simplify.
6061         (visit_reference_op_load): Likewise.
6062         (visit_reference_op_store): Likewise.
6063         (init_scc_vn): Remove shared_lookup_vuses initialization.
6064         (free_scc_vn): Remove shared_lookup_vuses freeing.
6065         (sort_vuses, sort_vuses_heap): Remove.
6066         (get_ref_from_reference_ops): Export.
6067         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
6068         vector with single vuse pointer.
6069         (vn_reference_lookup_pieces, vn_reference_lookup,
6070         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
6071         (shared_vuses_from_stmt): Remove.
6072         (get_ref_from_reference_ops): Declare.
6073         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
6074         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
6075         memory-tag related code.
6076         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
6077         (likely_value): Add comment, skip static-chain of call statements.
6078         (surely_varying_stmt_p): Adjust.
6079         (gimplify_and_update_call_from_tree): Likewise.
6080         (execute_fold_all_builtins): Do not rebuild alias info.
6081         (gimplify_and_update_call_from_tree): Properly update VOPs.
6082         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
6083         (copy_ref_info): Remove memory-tag related code.
6084         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
6085         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
6086         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
6087         computation.
6088         * tree-ssa-dom.c (gimple_p): Remove typedef.
6089         (eliminate_redundant_computations): Adjust.
6090         (record_equivalences_from_stmt): Likewise.
6091         (avail_expr_hash): Likewise.
6092         (avail_expr_eq): Likewise.
6093         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
6094         (stmt_makes_single_load): Likewise.
6095         (stmt_makes_single_store): Likewise.
6096         * tree-ssa-alias.c: Rewrite completely.
6097         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
6098         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
6099         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
6100         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
6101         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
6102         Remove public functions.
6103         (pass_reset_cc_flags): Remove.
6104         (pass_build_alias): Move ...
6105         * tree-ssa-structalias.c (pass_build_alias): ... here.
6106         * tree-ssa-alias.c (may_be_aliased): Move ...
6107         * tree-flow-inline.h (may_be_aliased): ... here.
6108         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
6109         count_uses_and_derefs): Move ...
6110         * gimple.c: ... here.
6111         * gimple.h (count_uses_and_derefs): Declare.
6112         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
6113         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
6114         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
6115         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
6116         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
6117         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
6118         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
6119         New functions.
6120         * tree-dfa.c (refs_may_alias_p): Move ...
6121         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
6122         * tree-ssa-alias.h: New file.
6123         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
6124         (statement_sink_location): Likewise.
6125         * opts.c (decode_options): Do not adjust max-aliased-vops or
6126         avg-aliased-vops values.
6127         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
6128         (TV_CALL_CLOBBER): Likewise.
6129         (TV_FLOW_SENSITIVE): Likewise.
6130         (TV_FLOW_INSENSITIVE): Likewise.
6131         (TV_MEMORY_PARTITIONING): Likewise.
6132         (TV_ALIAS_STMT_WALK): New timevar.
6133         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
6134         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
6135         (get_address_description): Remove memory-tag related code.
6136         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
6137         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
6138         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
6139         and immediate uses in statements.  Document.
6140         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
6141         (dump_symbols): Remove.
6142         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
6143         * alias.c (get_deref_alias_set): New function split out from ...
6144         (get_alias_set): ... here.
6145         * alias.h (get_deref_alias_set): Declare.
6146         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
6147         type parameter.  Remove restrict pointer handling.  Create a
6148         ref-all pointer in case type-based alias sets do not conflict.
6149         (vect_analyze_data_refs): Remove SMT related code.
6150         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
6151         (vectorizable_load): Likewise.
6152         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
6153         (DR_SYMBOL_TAG, DR_VOPS): Remove.
6154         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
6155         Ignore vops and SMTs.
6156         (dr_analyze_alias): Likewise..
6157         (free_data_ref): Likewise.
6158         (create_data_ref): Likewise.
6159         (analyze_all_data_dependences): Likewise.
6160         (get_references_in_stmt): Adjust.
6161         * tree-flow-inline.h (gimple_aliases_computed_p,
6162         gimple_addressable_vars, gimple_call_clobbered_vars,
6163         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
6164         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
6165         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
6166         gimple_mem_ref_stats): Remove.
6167         (gimple_vop): New function.
6168         (op_iter_next_use): Remove vuses and mayuses cases.
6169         (op_iter_next_def): Remove vdefs case.
6170         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
6171         (clear_and_done_ssa_iter): Do not set removed fields.
6172         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
6173         Assert we are not iterating over vuses or vdefs if not also
6174         iterating over uses or defs.
6175         (op_iter_init_use): Likewise.
6176         (op_iter_init_def): Likewise.
6177         (op_iter_next_vdef): Remove.
6178         (op_iter_next_mustdef): Likewise.
6179         (op_iter_init_vdef): Likewise.
6180         (compare_ssa_operands_equal): Likewise.
6181         (link_use_stmts_after): Handle vuse operand.
6182         (is_call_used): Use is_call_clobbered.
6183         (is_call_clobbered): Global variables are always call clobbered,
6184         query the call-clobbers bitmap.
6185         (mark_call_clobbered): Ignore global variables.
6186         (clear_call_clobbered): Likewise.
6187         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
6188         virtual operands sanity check.
6189         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
6190         Remove.
6191         (TARGET_MEM_REF): Remove TMR_TAG operand.
6192         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
6193         Remove call-clobber related code.
6194         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
6195         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
6196         partitions or escape reason.
6197         (get_single_def_stmt, get_single_def_stmt_from_phi,
6198         get_single_def_stmt_with_phi): Remove.
6199         (dump_referenced_vars): Tidy.
6200         (get_ref_base_and_extent): Allow bare decls.
6201         (collect_dfa_stats): Adjust.
6202         * graphite.c (rename_variables_in_stmt): Adjust.
6203         (graphite_copy_stmts_from_block): Likewise.
6204         (translate_clast): Likewise.
6205         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
6206         (EXPR_DIES): New.
6207         (translate_vuse_through_block): Use the oracle.
6208         (phi_translate_1): Adjust.
6209         (value_dies_in_block_x): Use the oracle.  Cache the outcome
6210         in EXPR_DIES.
6211         (valid_in_sets): Check if the VUSE for
6212         a REFERENCE is available.
6213         (eliminate): Do not remove stmts during elimination,
6214         instead queue and remove them afterwards.
6215         (do_pre): Do not rebuild alias info.
6216         (pass_pre): Run TODO_rebuild_alias before PRE.
6217         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
6218         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
6219         (mark_all_v_defs_stmt): Remove.
6220         (mark_all_v_defs_seq): Adjust.
6221         (sra_replace): Likewise.
6222         (scalarize_use): Likewise.
6223         (scalarize_copy): Likewise.
6224         (scalarize_init): Likewise.
6225         (scalarize_ldst): Likewise.
6226         (todoflags): Remove.
6227         (tree_sra): Do not rebuild alias info.
6228         (tree_sra_early): Adjust.
6229         (pass_sra): Run TODO_update_address_taken before SRA.
6230         * tree-predcom.c (set_alias_info): Remove.
6231         (prepare_initializers_chain): Do not call it.
6232         (mark_virtual_ops_for_renaming): Adjust.
6233         (mark_virtual_ops_for_renaming_list): Remove.
6234         (initialize_root_vars): Adjust.
6235         (initialize_root_vars_lm): Likewise.
6236         (prepare_initializers_chain): Likewise.
6237         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
6238         (may_propagate_copy_into_stmt): Likewise.
6239         (merge_alias_info): Do nothing for now.
6240         (propagate_tree_value_into_stmt): Adjust.
6241         (stmt_may_generate_copy): Likewise.
6242         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
6243         not mark symbols for renaming.
6244         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
6245         with the same statement, make sure to update the new pointed-to one.
6246         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
6247         call statements, do not mark symbols for renaming.
6248         (mark_operand_necessary): Dump something.
6249         (ref_may_be_aliased): New function.
6250         (mark_aliased_reaching_defs_necessary_1): New helper function.
6251         (mark_aliased_reaching_defs_necessary): Likewise.
6252         (mark_all_reaching_defs_necessary_1): Likewise.
6253         (mark_all_reaching_defs_necessary): Likewise.
6254         (propagate_necessity): Do not process virtual PHIs.  For
6255         non-aliased loads mark all reaching definitions as necessary.
6256         For aliased loads and stores mark the immediate dominating
6257         aliased clobbers as necessary.
6258         (visited): New global static.
6259         (perform_tree_ssa_dce): Free visited bitmap after propagating
6260         necessity.
6261         (remove_dead_phis): Perform simple dead virtual PHI removal.
6262         (remove_dead_stmt): Properly unlink virtual operands when
6263         removing stores.
6264         (eliminate_unnecessary_stmts): Schedule PHI removal after
6265         stmt removal.
6266         * tree-ssa-ter.c (is_replaceable_p): Adjust.
6267         (process_replaceable): Likewise.
6268         (find_replaceable_in_bb): Likewise.
6269         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
6270         based on the single gimple vop.
6271         (verify_flow_insensitive_alias_info): Remove.
6272         (verify_flow_sensitive_alias_info): Likewise.
6273         (verify_call_clobbering): Likewise.
6274         (verify_memory_partitions): Likewise.
6275         (verify_alias_info): Likewise.
6276         (verify_ssa): Adjust..
6277         (execute_update_addresses_taken): Export.  Update SSA
6278         manually.  Optimize only when optimizing.  Use a local bitmap.
6279         (pass_update_address_taken): Remove TODO_update_ssa, add
6280         TODO_dump_func.
6281         (pass_update_address_taken): Just use TODO_update_address_taken.
6282         (init_tree_ssa): Do not initialize addressable_vars.
6283         (verify_ssa): Verify new VUSE / VDEF properties.
6284         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
6285         Do not call verify_alias_info.
6286         (delete_tree_ssa): Clear the VUSE, VDEF operands.
6287         Do not free the loaded and stored syms bitmaps.  Reset the escaped
6288         and callused solutions.  Do not free addressable_vars.
6289         Remove memory-tag related code.
6290         (warn_uninitialized_var): Aliases are always available.
6291         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
6292         * lambda-code.c (can_put_in_inner_loop): Adjust.
6293         (can_put_after_inner_loop): Likewise.
6294         (perfect_nestify): Likewise.
6295         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
6296         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
6297         (vectorizable_conversion): Do not mark symbols for renaming.
6298         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
6299         (expand_call_inline): Unlink the calls virtual operands before
6300         replacing it.
6301         (tree_function_versioning): Do not call update_ssa if we are not
6302         updating clones.  Simplify.
6303         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
6304         (propagate_with_phi): Likewise..
6305         * tree-outof-ssa.c (create_temp): Remove memory tag and call
6306         clobber code.  Assert we are not aliased or global.
6307         * tree-flow.h: Include tree-ssa-alias.h
6308         (enum escape_type): Remove.
6309         (struct mem_sym_stats_d): Likewise.
6310         (struct mem_ref_stats_d): Likewise.
6311         (struct gimple_df): Add vop member.  Remove global_var,
6312         call_clobbered_vars, call_used_vars, addressable_vars,
6313         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
6314         escaped and callused members.
6315         (struct ptr_info_def): Remove all members, add points-to solution
6316         member pt.
6317         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
6318         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
6319         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
6320         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
6321         (tree-ssa-alias.o): Likewise.
6322         (toplev.o): Add tree-ssa-alias.h
6323         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
6324         * gimple.c (gimple_set_bb): Fix off-by-one error.
6325         (is_gimple_reg): Do not handle memory tags.
6326         (gimple_copy): Also copy virtual operands.
6327         Delay updating the statement.  Do not reset loaded and stored syms.
6328         (gimple_set_stored_syms): Remove.
6329         (gimple_set_loaded_syms): Likewise.
6330         (gimple_call_copy_skip_args): Copy the virtual operands
6331         and mark the new statement modified.
6332         * tree-ssa-structalias.c (may_alias_p): Remove.
6333         (set_uids_in_ptset): Take the alias set to prune with as
6334         parameter.  Fold in the alias test of may_alias_p.
6335         (compute_points_to_sets): Compute whether a ptr is dereferenced
6336         in a local sbitmap.
6337         (process_constraint): Deal with &ANYTHING on the lhs, reject all
6338         other ADDRESSOF constraints on the lhs.
6339         (get_constraint_for_component_ref): Assert that we don't get
6340         ADDRESSOF constraints from the base of the reference.
6341         Properly generate UNKNOWN_OFFSET for DEREF if needed.
6342         (struct variable_info): Remove collapsed_to member.
6343         (get_varinfo_fc): Remove.
6344         (new_var_info): Do not set collapsed_to.
6345         (dump_constraint): Do not follow cycles.
6346         (dump_constraint_graph): Likewise.
6347         (build_pred_graph): Likewise.
6348         (build_succ_graph): Likewise.
6349         (rewrite_constraints): Likewise.
6350         (do_simple_structure_copy): Remove.
6351         (do_rhs_deref_structure_copy): Remove.
6352         (do_lhs_deref_structure_copy): Remove.
6353         (collapse_rest_of_var): Remove.
6354         (do_structure_copy): Re-implement.
6355         (pta_stats): New global variable.
6356         (dump_pta_stats): New function.
6357         (struct constraint_expr): Make offset signed.
6358         (UNKNOWN_OFFSET): Define special value.
6359         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
6360         (solution_set_expand): New helper function split out from ...
6361         (do_sd_constraint): ... here.
6362         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
6363         (do_ds_constraint): Likewise.
6364         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
6365         and CALLUSED = *CALLUSED.
6366         (set_union_with_increment): Make inc argument signed.
6367         (type_safe): Remove.
6368         (get_constraint_for_ptr_offset): Handle unknown and negative
6369         constant offsets.
6370         (first_vi_for_offset): Handle offsets before start.  Bail
6371         out early for offsets beyond the variable extent.
6372         (first_or_preceding_vi_for_offset): New function.
6373         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
6374         Together with ESCAPED = *ESCAPED this properly computes reachability.
6375         (find_what_var_points_to): New function.
6376         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
6377         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
6378         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
6379         pt_solutions_intersect): New functions.
6380         (compute_call_used_vars): Remove.
6381         (compute_may_aliases): New main entry into PTA computation.
6382         * gimple.h (gimple_p): New typedef.
6383         (struct gimple_statement_base): Remove references_memory_p.
6384         (struct gimple_statement_with_memory_ops_base): Remove
6385         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
6386         members.
6387         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
6388         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
6389         gimple_set_references_memory): Remove.
6390         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
6391         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
6392         New functions.
6393         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
6394         (verify_expr): Allow RESULT_DECL.
6395         (gimple_duplicate_bb): Do not copy virtual operands.
6396         (gimple_duplicate_sese_region): Adjust.
6397         (gimple_duplicate_sese_tail): Likewise.
6398         (mark_virtual_ops_in_region): Remove.
6399         (move_sese_region_to_fn): Do not call it.
6400         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
6401         and pass_simple_dse.
6402         (execute_function_todo): Handle TODO_update_address_taken,
6403         call execute_update_addresses_taken for TODO_rebuild_alias.
6404         (execute_todo): Adjust.
6405         (execute_one_pass): Init dump files early.
6406         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
6407         call-clobbered.
6408         (create_general_new_stmt): Clear vops.
6409         * tree-ssa-reassoc.c (get_rank): Adjust.
6410         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
6411         symbols for renaming.
6412         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
6413         (PARAM_AVG_ALIASED_VOPS): Likewise.
6414         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
6415         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
6416         * tree-ssa-operands.c: Simplify for new virtual operand representation.
6417         (operand_build_cmp, copy_virtual_operands,
6418         create_ssa_artificial_load_stmt, add_to_addressable_set,
6419         gimple_add_to_addresses_taken): Remove public functions.
6420         (unlink_stmt_vdef): New function.
6421
6422 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6423
6424         * config.gcc (powerpc-*-linux*): Merge variants.
6425
6426 2009-04-02  Chao-ying Fu  <fu@mips.com>
6427             James Grosbach  <james.grosbach@microchip.com>
6428
6429         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
6430         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
6431         cop0_sp_offset.
6432         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
6433         keep_interrupts_masked_p, use_debug_exception_return_p.
6434         (mips_attribute_table): Add interrupt, use_shadow_register_set,
6435         keep_interrupts_masked, use_debug_exception_return.
6436         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
6437         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
6438         New functions.
6439         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
6440         (mips_print_operand): Process COP0 registers to print $0 .. $31
6441         correctly for GAS to process.
6442         (mips_interrupt_extra_call_saved_reg_p): New function.
6443         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
6444         extra registers.
6445         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
6446         (mips_compute_frame_info): Add supports for interrupt context that
6447         includes doubleword accumulators and COP0 registers.
6448         (mips_for_each_saved_acc): New function.
6449         (mips_for_each_saved_gpr_and_fpr): Change the function name from
6450         mips_for_each_saved_reg.
6451         (mips_save_reg): Save accumulators.
6452         (mips_kernel_reg_p): A new for_each_rtx callback.
6453         (mips_expand_prologue): Support interrupt handlers.
6454         (mips_restore_reg): Restore accumulators.
6455         (mips_expand_epilogue): Support interrupt handlers.
6456         (mips_can_use_return_insn): Return false for interrupt handlers.
6457         (mips_epilogue_uses): New function.
6458         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
6459         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
6460         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
6461         cop0_move): New instructions.
6462         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
6463         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
6464         defines.
6465         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
6466         New defines.
6467         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
6468         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
6469         interrupt handlers, we use K0 as the temporary register.
6470         (EPILOGUE_USES): Change to a function call.
6471         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
6472         handlers, we use K0 as the temporary register.
6473
6474         * doc/extend.texi (Function Attributes): Document interrupt,
6475         use_shadow_register_set, keep_interrupts_masked,
6476         use_debug_exception_return for MIPS attributes.
6477
6478 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6479
6480         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
6481         Remove a number of t-files from tmake_file.
6482         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
6483         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
6484         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
6485         target_prototype, not TARGET_PROTOTYPE.
6486         (LINK_OS_GNU_SPEC): Define.
6487         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
6488         and darwin-ldoubdle.c.
6489
6490 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
6491
6492         PR driver/39293
6493         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
6494         (cpp_options): Ditto.
6495         (default_compilers): Ditto.
6496         (display_help): Ditto.
6497         (process_command): Ditto.
6498         (do_spec_1): Ditto.
6499         (set_input): Use lbasename instead of duplicate code.
6500         (save_temps_prefix): New static for -save-temps=obj.
6501         (save_temps_length): Ditto.
6502
6503         * doc/invoke.texi (-save-temps=obj): Document new variant to
6504         -save-temps switch.
6505
6506 2009-04-02  Jeff Law  <law@redhat.com>
6507
6508         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
6509         variable.
6510
6511 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6512
6513         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
6514         * configure: Regenerated.
6515
6516 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6517
6518         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
6519         share the argument list.
6520
6521 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6522
6523         Merge
6524
6525         2009-02-12  Diego Novillo  <dnovillo@google.com>
6526
6527         * varpool.c (debug_varpool): New.
6528         * cgraph.h (debug_varpool): Declare.
6529
6530 2009-04-02  Jan Hubicka  <jh@suse.cz>
6531
6532         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
6533         pass.
6534
6535 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6536
6537         * config/i386/i386.c (ix86_abi): Move initialization to ...
6538         (override_options): Here.
6539
6540 2009-04-02  Christian Bruel  <christian.bruel@st.com>
6541
6542         * config/sh/sh.c (sh_dwarf_register_span): New function.
6543         (TARGET_DWARF_REGISTER_SPAN): Define.
6544         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
6545
6546 2009-04-02  Ira Rosen  <irar@il.ibm.com>
6547
6548         PR tree-optimization/39595
6549         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
6550         interleaved loads group is not  greater than the SLP group size.
6551
6552 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6553
6554         * builtins.c (is_builtin_name): New.
6555         (called_as_built_in): Use is_builtin_name.
6556         * tree.h (is_builtin_name): New.
6557         * varasm.c (incorporeal_function_p): Use is_builtin_name
6558
6559 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
6560
6561         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
6562
6563 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
6564
6565         PR c++/26693
6566         * c-decl.c (clone_underlying_type): Move this ...
6567         * c-common.c (set_underlying_type): ... here.
6568         Also, make sure the function properly sets TYPE_STUB_DECL() on
6569         the newly created typedef variant type.
6570         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
6571         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
6572         points.
6573
6574 2009-04-02  Richard Guenther  <rguenther@suse.de>
6575
6576         PR tree-optimization/37221
6577         * tree-flow.h (degenerate_phi_result): Declare.
6578         * tree-ssa-dom.c (degenerate_phi_result): Export.
6579         * tree-scalar-evolution.c (analyze_initial_condition): If
6580         the initial condition is defined by a degenerate PHI node
6581         use the degenerate value.
6582
6583 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
6584
6585         PR rtl-optimization/39588
6586         * combine.c (merge_outer_ops): Do not set the constant when this
6587         is not necessary.
6588         (simplify_shift_const_1): Do not modify it either in this case.
6589
6590 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
6591
6592         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
6593         tuning is deprecated if -mtune value is set to an Itanium1 variant.
6594
6595 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
6596
6597         PR c/29027
6598         * c-lex.c (interpret_float): Default (no suffix) is double.
6599
6600 2009-04-1  Xinliang David Li  <davidxl@google.com>
6601
6602         * config/i386/i386.c (legitimate_constant_p): Recognize
6603         all one vector constant.
6604
6605 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6606
6607         * config/vax/vax.c: Add #includes to silence warnings.
6608         Change #include order to silence two warnings.
6609
6610 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6611
6612         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
6613         (ASM_SPEC): Pass -k to the assembler for PIC code.
6614
6615 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6616
6617         * config.gcc: Add vax-*-linux* to the switch.
6618         * config/vax/linux.h: New file. (TARGET_VERSION,
6619         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
6620
6621 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6622
6623         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
6624         Use predicate macros instead of GET_CODE() == foo.
6625         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
6626         ashlsi3, rotrsi3, <unnamed>): Likewise.
6627
6628 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6629
6630         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
6631         jbbccihi, jbbccisi): Remova trailing whitespace.
6632         * config/vax/constraints.md: Likewise.
6633         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6634         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
6635         * config/vax/predicates.md: Likewise.
6636         * config/vax/vax.c (print_operand_address, vax_output_int_move,
6637         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
6638         * config/vax/vax.h: Likewise.
6639         * config/vax/vax.md (nonlocal_goto): Likewise.
6640
6641 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6642
6643         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
6644         (indirectable_address_p, adjacent_operands_p): Add spaces around
6645         braces.
6646         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
6647
6648 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6649
6650         * config/vax/vax.c (legitimate_constant_address_p,
6651         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
6652         index_term_p, reg_plus_index_p, legitimate_address_p,
6653         vax_mode_dependent_address_p): Update comments to match functions
6654         modified by the recent int->bool conversion.
6655
6656 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6657
6658         * config/vax/builtins.md: Update copyright message.
6659         * config/vax/constraints.md: Likewise.
6660         * config/vax/netbsd-elf.h: Likewise.
6661         * config/vax/predicates.md: Likewise.
6662         * config/vax/vax-protos.h: Likewise.
6663         * config/vax/vax.c: Likewise.
6664         * config/vax/vax.h: Likewise.
6665         * config/vax/vax.md: Likewise.
6666         * config/vax/vax.opt: Likewise.
6667
6668 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6669
6670         * config/vax/builtins.md (ffssi2, ffssi2_internal,
6671         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
6672         * config/vax/constraints.md (B, R): Likewise.
6673         * config/vax/predicates.md (external_memory_operand,
6674         nonimmediate_addsub_di_operand): Likewise.
6675         * config/vax/vax.c (vax_output_int_add): Likewise.
6676         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
6677         untyped_call): Likewise.
6678
6679 2009-04-01  Matt Thomas  <matt@3am-software.com>
6680
6681         * config/vax/predicates.md: New file.
6682         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
6683         external_const_operand, nonsymbolic_operand, external_memory_operand,
6684         indirect_memory_operand, indexed_memory_operand,
6685         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
6686         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
6687         predicate.
6688         * config/vax/constraints.md: New file.
6689         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
6690         New constraint.
6691         * config/vax/builtins.md: New file.
6692         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
6693         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
6694         jbbccisi): Define.
6695         * config/vax/vax.opt (mqmath): Add option.
6696         * config/vax/vax.md (isfx): Extend with DI.
6697         (VAXintQH, VAXintQHSD): Define.
6698         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
6699         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
6700         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
6701         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
6702         (movdi): Update constraints and use vax_output_int_move().
6703         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
6704         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
6705         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
6706         nonlocal_goto): New.
6707         (mov<mode>): Extend accepted operand types.
6708         (subdi3_old): Rename from subdi3, change update constraints and use
6709         a new implementation.
6710         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
6711         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
6712         MOVE_RATIO, CLEAR_RATIO): Define.
6713         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
6714         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6715         (PRINT_OPERAND): Redefine using a function instead of inlined code.
6716         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
6717         (split_quadword_operands): Make static and really allow variable
6718         splitting.
6719         (print_operand_address): Update for PIC generation.
6720         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
6721         indexable_address_p, fixup_mathdi_operand,
6722         vax_expand_addsub_di_operands, adjacent_operands_p): New.
6723         (vax_float_literal, legitimate_constant_p,
6724         indirectable_constant_address_p, index_term_p,
6725         reg_plus_index_p): Return bool instead of int.
6726         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
6727         where needed.
6728         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
6729         generation.
6730         (vax_output_conditional_branch): Indent.
6731         (legitimate_constant_address_p, indirectable_constant_address_p,
6732         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
6733         vax_mode_dependent_address_p): Return bool instead of int, update for
6734         PIC generation.
6735         * config/vax/vax-protos.h (legitimate_constant_address_p,
6736         legitimate_constant_p, legitimate_address_p,
6737         vax_mode_dependent_address_p): Change declaration to bool.
6738         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
6739         vax_expand_addsub_di_operands, vax_output_int_subtract,
6740         vax_output_movmemsi): Declare.
6741         (split_quadword_operands, vax_float_literal): Delete declaration.
6742         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
6743         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
6744         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
6745         ASM_OUTPUT_DWARF_PCREL): Define.
6746         (ASM_SPEC): Change definition to allow PIC generation.
6747
6748 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
6749
6750         * doc/sourcebuild.texi: Update front-end requirements.
6751
6752 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6753
6754         PR target/39226
6755         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
6756         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
6757         (booldi3_internal3): Use boolean_or_operator instead of
6758         boolean_operator.
6759
6760 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
6761
6762         PR c/39605
6763         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
6764         declarator whose size is not an integer constant expression but
6765         folds to an integer constant, then treat it as a constant
6766         subsequently.
6767
6768 2009-04-01  Richard Guenther  <rguenther@suse.de>
6769
6770         * fold-const.c (fold_plusminus_mult_expr): Do not fold
6771         i * 4 + 2 to (i * 2 + 1) * 2.
6772
6773 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6774
6775         PR c/37772
6776         * c-parser.c (c_parser_asm_statement): Skip until close paren and
6777         return if c_parser_asm_string_literal returned NULL.
6778
6779 2009-04-01  Nick Clifton  <nickc@redhat.com>
6780
6781         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
6782         already defined.
6783         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
6784         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
6785         other typedefs to avoid conflicts with libgcc2.c.  Define labels
6786         to gain 16-bit bit-manipulation functions from libgcc2.c and then
6787         include it.
6788         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
6789         to gain 16-bit trapping arithmetic functions from libgcc2.c and
6790         then include it.
6791
6792 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
6793
6794         * varasm.c (default_function_rodata_section): Declare DOT as
6795         const char*.
6796
6797 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
6798             Andrey Galkin  <agalkin@hypercom.com>
6799
6800         PR/39492
6801         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
6802         Make object_name unique for each process.
6803
6804 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6805
6806         PR other/39591
6807         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
6808         addressable variables in the parallel that could go out of scope while
6809         running queued tasks.
6810
6811 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
6812
6813         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
6814         (CASE_VALUES_THRESHOLD): Redefine.
6815         * config/avr/avr.c (avr_override_options): Remove initialization of
6816         avr_case_values_threshold variable.
6817         (avr_case_values_threshold): Remove variable. Add new function.
6818         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
6819         * config/avr/avr.opt (mno-tablejump): Remove option.
6820         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
6821
6822 2009-04-01  DJ Delorie  <dj@redhat.com>
6823
6824         * varasm.c (default_function_rodata_section): Don't assume
6825         anything about where the first '.' in the section name is.
6826
6827 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
6828
6829         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
6830         rs6000_emit_stack_tie.
6831
6832 2009-03-31  Ian Lance Taylor  <iant@google.com>
6833
6834         * tree-eh.c (tree_remove_unreachable_handlers): Compare
6835         gimple_code with GIMPLE_RESX, not RESX.
6836
6837 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6838
6839         * c-common.c (c_get_ident): New.
6840         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
6841
6842 2009-04-01  Ben Elliston  <bje@au.ibm.com>
6843
6844         * config/rs6000/sysv4.opt (msdata): Improve option description.
6845
6846 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
6847
6848         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
6849         (divdf3_internal_lat): Remove.
6850         (divxf3_internal_lat): Remove.
6851         (divxf3_internal_thr): Remove.
6852         (divxf): Use divxf3_internal.
6853         * config/ia64/div.md (divsf3_internal_lat): New.
6854         (divdf3_internal_lat): New.
6855         (divxf3_internal): New.
6856
6857 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6858
6859         PR c/448
6860         * Makefile.in (USE_GCC_STDINT): Define.
6861         (stmp-int-hdrs): Install stdint.h if applicable.
6862         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
6863         if known.
6864         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
6865         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
6866         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
6867         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6868         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6869         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6870         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6871         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6872         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6873         (c_common_nodes_and_builtins): Initialize
6874         underlying_wchar_type_node.  Do not initialize
6875         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
6876         nodes for new types.
6877         (c_stddef_cpp_builtins): Define macros for new types.
6878         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
6879         Remove.
6880         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
6881         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
6882         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
6883         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
6884         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
6885         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
6886         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
6887         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
6888         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
6889         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
6890         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
6891         int16_type_node, int32_type_node, int64_type_node,
6892         uint8_type_node, uint16_type_node, c_uint32_type_node,
6893         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
6894         int_least32_type_node, int_least64_type_node,
6895         uint_least8_type_node, uint_least16_type_node,
6896         uint_least32_type_node, uint_least64_type_node,
6897         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
6898         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
6899         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
6900         uintptr_type_node): Define.
6901         * c-cppbuiltin.c (builtin_define_constants,
6902         builtin_define_type_minmax): New.
6903         (builtin_define_stdint_macros): Define more macros.
6904         (c_cpp_builtins): Define more limit macros.
6905         (type_suffix): New.
6906         (builtin_define_type_max): Define in terms of
6907         builtin_define_type_minmax.  Remove is_long parameter.  All
6908         callers changed.
6909         * config.gcc (use_gcc_stdint): Define.
6910         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
6911         Add newlib-stdint.h for generic targets.
6912         * config/glibc-stdint.h, config/newlib-stdint.h,
6913         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
6914         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
6915         * config/score/score.h (UINTPTR_TYPE): Define.
6916         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
6917         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
6918         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6919         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6920         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6921         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6922         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6923         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6924         * config/spu/spu.h (STDINT_LONG32): Define.
6925         * configure.ac (use_gcc_stdint): Substitute.
6926         * configure: Regenerate.
6927         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
6928         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
6929         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
6930         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
6931         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
6932         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
6933         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
6934         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
6935         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
6936         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
6937         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
6938         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
6939         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
6940         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
6941         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
6942         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
6943         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
6944         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
6945         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
6946         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
6947         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
6948         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
6949         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
6950         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6951         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6952         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6953         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6954         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6955         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
6956
6957 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
6958
6959         * loop-iv.c (suitable_set_for_replacement): Renamed from
6960         simplify_using_assignment; changed to return bool and to accept new
6961         args DEST and SRC.  Return true iff we find a source/destination pair
6962         that can be used to make a replacement, and fill SRC and DEST if so.
6963         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
6964         changed.
6965         (simplify_using_initial_values): Deal with altered regs here and track
6966         more precisely the effect they have on the validity of our expression.
6967
6968         * loop-iv.c (simplify_using_condition): A condition of the form
6969         (EQ REG CONST) can be used to simply make a substitution.
6970         (simplify_using_initial_values): Keep track of conditions we have seen
6971         and keep using them to simplify new expressions, while applying the
6972         same substitutions to them as to the expression.
6973
6974         * simplify-rtx.c (simplify_relational_operation_1): Simplify
6975         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
6976         GEU/LTU reversed.
6977
6978         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
6979         changed.  Use this when trying to improve the upper bound.
6980         Generate the comparison by using simplify_gen_relational.
6981
6982         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
6983
6984         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
6985         functions.
6986         (simplify_using_assignment, simplify_using_initial_values): Call
6987         replace_in_expr to make replacements.  Call replace_single_def_regs
6988         once on the initial version of the expression.
6989
6990 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6991
6992         PR target/27237
6993         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
6994
6995 2009-03-31  Richard Guenther  <rguenther@suse.de>
6996
6997         PR middle-end/31029
6998         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
6999         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
7000
7001 2009-03-31  Richard Guenther  <rguenther@suse.de>
7002
7003         * tree.h (div_if_zero_remainder): Declare.
7004         * fold-const.c (div_if_zero_remainder): Export.
7005         * tree-ssa-forwprop.c
7006         (forward_propagate_addr_into_variable_array_index): Handle
7007         constant array index addition outside of the variable index.
7008
7009 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7010
7011         PR target/39592
7012         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
7013         define_splits, floatunssi<mode>2): Require x87 conversions from
7014         DImode to be permitted.
7015
7016 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7017
7018         PR preprocessor/15638
7019         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
7020
7021 2009-03-31  Richard Guenther  <rguenther@suse.de>
7022
7023         PR middle-end/23401
7024         PR middle-end/27810
7025         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
7026         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7027         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
7028         a separate statement.
7029         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
7030         (lookup_tmp_var): Likewise.
7031         (is_gimple_formal_tmp_or_call_rhs): Remove.
7032         (is_gimple_reg_or_call_rhs): Rename to ...
7033         (is_gimple_reg_rhs_or_call): ... this.
7034         (is_gimple_mem_or_call_rhs): Rename to ...
7035         (is_gimple_mem_rhs_or_call): ... this.
7036         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
7037         DECL_GIMPLE_REG_P only if is_formal is true.
7038         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
7039         for non-proper post-modify expression gimplification.
7040         (gimplify_self_mod_expr): For post-modify expressions gimplify
7041         the lvalue to a minimal lvalue.
7042         (rhs_predicate_for): Remove formal temp case.
7043         (gimplify_modify_expr_rhs): Likewise.
7044         (gimplify_addr_expr): Use is_gimple_reg.
7045         (gimplify_expr): Remove formal temp cases.
7046         (gimple_regimplify_operands): Likewise.
7047         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
7048         and FILTER_EXPR like constants.
7049         * gimple.c (walk_gimple_op): Fix val_only initialization, use
7050         is_gimple_reg.
7051         (is_gimple_formal_tmp_rhs): Remove.
7052         (is_gimple_reg_rhs): Remove special casing.
7053         (is_gimple_mem_rhs): Fix.
7054         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
7055         (is_gimple_formal_tmp_var): Remove.
7056         (is_gimple_formal_tmp_reg): Likewise.
7057         (is_gimple_min_lval): Allow invariant component ref parts.
7058         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
7059         is_gimple_formal_tmp_reg): Remove declarations.
7060         * tree-cfg.c (verify_expr): Verify that variables with address
7061         taken do not have DECL_GIMPLE_REG_P set.
7062         * tree-mudflap.c (mf_build_check_statement_for): Use
7063         force_gimple_operand instead of gimplify_expr.
7064
7065 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
7066
7067         * modulo-sched.c (sms_schedule_by_order): Pass the actual
7068         schedulable rows to compute_split_row.
7069
7070 2009-03-31  Ben Elliston  <bje@au.ibm.com>
7071
7072         PR target/31635
7073         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
7074         OPT_mvrsave.
7075
7076 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7077
7078         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
7079         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
7080         * configure: Regenerate.
7081         * config.in: Regenerate.
7082         * config/rs6000/rs6000.opt (mtls-markers): Add.
7083         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
7084         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
7085         (tls_ld_aix, tls_ld_sysv): Likewise.
7086         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
7087         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
7088
7089 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7090
7091         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
7092
7093 2009-03-30  Jan Hubicka  <jh@suse.cz>
7094
7095         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
7096         out of RESX.
7097         (tree_remove_unreachable_handlers): Cleanup EH predecestor
7098         detection and label handling.
7099
7100 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7101
7102         * ira-int.h (ira_allocno): Rename left_conflicts_num to
7103         left_conflicts_size.
7104         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
7105         ALLOCNO_LEFT_CONFLICTS_SIZE.
7106
7107         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
7108         remove_allocno_from_bucket_and_push,
7109         allocno_spill_priority_compare, push_allocnos_to_stack,
7110         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7111         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
7112         (setup_allocno_left_conflicts_num): Ditto.  Rename to
7113         setup_allocno_left_conflicts_size.
7114         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7115         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
7116         setup_allocno_left_conflicts_size instead of
7117         setup_allocno_left_conflicts_num.
7118
7119         * ira-build.c (ira_create_allocno): Use
7120         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
7121         ALLOCNO_LEFT_CONFLICTS_NUM.
7122
7123 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7124
7125         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7126         instead of DF_LR_OUT.
7127
7128         * ira-lives.c (process_bb_node_lives): Ditto.
7129
7130         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7131         instead of DF_LR_{OUT,IN}.
7132
7133         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7134
7135         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7136
7137 2009-03-30  Jan Hubicka  <jh@suse.cz>
7138
7139         * except.c (label_to_region_map): Fix thinko.
7140
7141 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
7142
7143         PR middle-end/38237
7144         * tree.h (tree_find_value): New declaration.
7145         * tree.c (tree_find_value): New function.
7146         * varasm.c (assemble_external): Avoid duplicate entries on lists.
7147
7148 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
7149
7150         PR debug/39563
7151         * c-decl.c (struct c_binding): Add locus field.
7152         (bind): Add locus argument, set locus field from it.
7153         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
7154         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
7155         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
7156         implicitly_declare, undeclared_variable, lookup_label,
7157         declare_label, c_make_fname_decl, c_builtin_function,
7158         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
7159         bind callers.
7160
7161 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7162
7163         PR target/38781
7164         * config/i386/i386.c (classify_argument): Check total size of
7165         structure.
7166
7167 2009-03-30  Martin Jambor  <mjambor@suse.cz>
7168
7169         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
7170         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
7171         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
7172         respectively.
7173
7174         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
7175         seen_variable_array_ref while also traversing a union.
7176
7177         * tree-inline.c (optimize_inline_calls): Do not call
7178         cgraph_node_remove_callees.
7179         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
7180         (pass_remove_cgraph_callee_edges): New variable.
7181         * passes.c (init_optimization_passes): Add
7182         pass_remove_cgraph_callee_edges after early inlining and before all
7183         late intraprocedural passes.
7184
7185         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
7186
7187 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7188
7189         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
7190         Fix typos in names.
7191
7192 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7193
7194         * combine.c (simplify_comparison): Use have_insn_for.
7195         * dojump.c (do_jump): Likewise.
7196
7197 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7198
7199         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
7200         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
7201         sparc_compare_op0 like sparc_compare_emitted used to be handled.
7202         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
7203         instead of sparc_compare_emitted.
7204         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
7205         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
7206         instead of sparc_compare_emitted.
7207
7208 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7209
7210         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
7211         enter/exit cfglayout mode.
7212         (pass_partition_block): Require it.
7213         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
7214         (combine_instructions): Track basic blocks instead of labels.
7215         (update_cfg_for_uncondjump): New.
7216         (try_combine): Use it.  Update jumps after rescanning.
7217         (pass_combine): Require PROP_cfglayout.
7218         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
7219
7220 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7221
7222         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
7223         Provide/destroy PROP_cfglayout respectively.
7224         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
7225         * tree-pass.h (PROP_cfglayout): New.
7226
7227 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7228
7229         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
7230         fold_convert_const_fixed_from_fixed,
7231         fold_convert_const_fixed_from_int,
7232         fold_convert_const_fixed_from_real, fold_negate_const): Do not
7233         set TREE_CONSTANT_OVERFLOW.
7234         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
7235         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
7236
7237 2009-03-30  Ira Rosen  <irar@il.ibm.com>
7238
7239         * tree-vect-loop-manip.c: New file.
7240         * tree-vectorizer.c: Update documentation and included files.
7241         (vect_loop_location): Make extern.
7242         (rename_use_op): Move to tree-vect-loop-manip.c
7243         (rename_variables_in_bb, rename_variables_in_loop,
7244         slpeel_update_phis_for_duplicate_loop,
7245         slpeel_update_phi_nodes_for_guard1,
7246         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
7247         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
7248         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
7249         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
7250         find_loop_location): Likewise.
7251         (new_stmt_vec_info): Move to tree-vect-stmts.c.
7252         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
7253         get_vectype_for_scalar_type, vect_is_simple_use,
7254         supportable_widening_operation, supportable_narrowing_operation):
7255         Likewise.
7256         (bb_in_loop_p): Move to tree-vect-loop.c.
7257         (new_loop_vec_info, destroy_loop_vec_info,
7258         reduction_code_for_scalar_code, report_vect_op,
7259         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
7260         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
7261         (vect_supportable_dr_alignment): Likewise.
7262         * tree-vectorizer.h (tree-data-ref.h): Include.
7263         (vect_loop_location): Declare.
7264         Reorganize function declarations according to the new file structure.
7265         * tree-vect-loop.c: New file.
7266         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
7267         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
7268         * tree-vect-data-refs.c: New file.
7269         * tree-vect-patterns.c (timevar.h): Don't include.
7270         * tree-vect-stmts.c: New file.
7271         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
7272         tree-vect-slp.c, tree-vect-loop.c.
7273         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
7274         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
7275         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
7276         (tree-vect-analyze.o): Remove.
7277         (tree-vect-transform.o): Likewise.
7278         (tree-vect-data-refs.o): Add rule.
7279         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
7280         tree-vect-slp.o): Likewise.
7281         (tree-vect-patterns.o): Remove redundant dependencies.
7282         (tree-vectorizer.o): Likewise.
7283         * tree-vect-slp.c: New file.
7284
7285 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7286
7287         * optc-gen.awk: Warn if an option flag has multiple different
7288         help strings.
7289
7290 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
7291
7292         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
7293         -floop-block): Document dependences on PPL, CLooG and Graphite.
7294
7295 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7296
7297         PR rtl-optimization/323
7298         * c-common.c (c_fully_fold, convert_and_check,
7299         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
7300         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
7301         * c-common.def (EXCESS_PRECISION_EXPR): New.
7302         * c-cppbuiltin.c (builtin_define_float_constants): Define
7303         constants with enough digits for long double.
7304         * c-lex.c (interpret_float): Interpret constant with excess
7305         precision where appropriate.
7306         * c-opts.c (c_common_post_options): Set
7307         flag_excess_precision_cmdline.  Give an error for
7308         -fexcess-precision=standard for C++ for processors where the
7309         option is significant.
7310         * c-parser.c (c_parser_conditional_expression): Handle excess
7311         precision in condition.
7312         * c-typeck.c (convert_arguments): Handle arguments with excess
7313         precision.
7314         (build_unary_op): Move excess precision outside operation.
7315         (build_conditional_expr): Likewise.
7316         (build_compound_expr): Likewise.
7317         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
7318         (build_modify_expr): Handle excess precision in RHS.
7319         (convert_for_assignment): Handle excess precision in converted
7320         value.
7321         (digest_init, output_init_element, process_init_element): Handle
7322         excess precision in initializer.
7323         (c_finish_return): Handle excess precision in return value.
7324         (build_binary_op): Handle excess precision in operands and add
7325         excess precision as needed for operation.
7326         * common.opt (-fexcess-precision=): New option.
7327         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
7328         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
7329         For standard excess precision, output explicit conversion to and
7330         truncation from XFmode.
7331         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
7332         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
7333         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
7334         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
7335         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
7336         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
7337         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
7338         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
7339         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
7340         define_splits, sqrt<mode>2): Disable where appropriate for
7341         standard excess precision.
7342         * convert.c (convert_to_real): Do not shorten arithmetic to type
7343         for which excess precision would be used.
7344         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
7345         * doc/invoke.texi (-fexcess-precision=): Document option.
7346         (-mfpmath=): Correct index entry.
7347         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
7348         flag_excess_precision): New.
7349         * langhooks.c (lhd_post_options): Set
7350         flag_excess_precision_cmdline.
7351         * opts.c (common_handle_option): Handle -fexcess-precision=.
7352         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
7353         init_excess_precision): New.
7354         (lang_dependent_init_target): Call init_excess_precision.
7355         * tree.c (excess_precision_type): New.
7356         * tree.h (excess_precision_type): Declare.
7357
7358 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7359
7360         PR c/35235
7361         * c-typeck.c (build_component_ref): Do not copy qualifiers from
7362         non-lvalue to component.
7363
7364 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7365
7366         PR preprocessor/34695
7367         * Makefile.in (c-opts.o): Depend on c-tree.h.
7368         * c-common.c: Move down include of diagnostic.h.
7369         (done_lexing, c_cpp_error): New.
7370         * c-common.h (done_lexing): Declare.
7371         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
7372         (parse_in).
7373         * c-opts.c: Include c-tree.h.
7374         (c_common_init_options): Set preprocessor error callback.
7375         (c_common_handle_option): Do not set preprocessor
7376         inhibit_warnings, warnings_are_errors, warn_system_headers,
7377         pedantic_errors or inhibit_warnings flags.
7378         (c_common_post_options): Do not check cpp_errors (parse_in).
7379         (c_common_finish): Do not output dependencies if there were
7380         errors.  Do not check return value of cpp_finish.
7381         * c-ppoutput.c (pp_file_change): Set input_location.
7382         * c-tree.h (c_cpp_error): Declare.
7383         * diagnostic.c (diagnostic_set_info_translated): Also initialize
7384         override_column.
7385         (diagnostic_build_prefix): Check override_column.
7386         * diagnostic.h (diagnostic_info): Add override_column field.
7387         (diagnostic_override_column): Define.
7388
7389 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
7390
7391         * c-common.c (c_expand_expr, c_staticp): Remove.
7392         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
7393         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
7394         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
7395         * c-gimplify.c (gimplify_compound_literal_expr,
7396         optimize_compound_literals_in_ctor): Remove.
7397         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
7398         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
7399         * c-semantics.c (emit_local_var): Remove.
7400
7401         * langhooks-def.h (lhd_expand_expr): Remove.
7402         * langhooks.c (lhd_expand_expr): Remove.
7403         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
7404
7405         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
7406         handling from c-semantics.c; don't call into langhook.
7407         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
7408         * gimplify.c (gimplify_compound_literal_expr,
7409         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
7410         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
7411         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
7412         as was done in c-gimplify.c.
7413         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
7414         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
7415         Move from c-common.h.
7416         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
7417
7418         * tree.c (staticp): Do not call langhook.
7419         * langhooks.c (lhd_staticp): Delete.
7420         * langhooks-def.h (lhd_staticp): Delete prototype.
7421         (LANG_HOOKS_STATICP): Delete.
7422         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
7423
7424         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
7425         instead of DECL_STMTs.
7426
7427 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7428
7429         PR c/456
7430         PR c/5675
7431         PR c/19976
7432         PR c/29116
7433         PR c/31871
7434         PR c/35198
7435         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
7436         void_type_node.
7437         (fold_call_expr): Return a NOP_EXPR from folding rather than the
7438         contained expression.
7439         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
7440         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
7441         conditional expressions for C.
7442         (decl_constant_value_for_optimization): Move from
7443         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
7444         whether optimizing and that the expression is a VAR_DECL not of
7445         array type instead of doing such checks in the caller.  Do not
7446         check pedantic.  Call gcc_unreachable for C++.
7447         * c-common.def (C_MAYBE_CONST_EXPR): New.
7448         * c-common.h (c_fully_fold, c_save_expr,
7449         decl_constant_value_for_optimization): New prototypes.
7450         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
7451         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
7452         EXPR_INT_CONST_OPERANDS): Define.
7453         * c-convert.c (convert): Strip nops from expression.
7454         * c-decl.c (groktypename): Take extra parameters expr and
7455         expr_const_operands.  Update call to grokdeclarator.
7456         (start_decl): Update call to grokdeclarator.  Add statement for
7457         expressions used in type of decl.
7458         (grokparm): Update call to grokdeclarator.
7459         (push_parm_decl): Update call to grokdeclarator.
7460         (build_compound_literal): Add parameter non_const and build a
7461         C_MAYBE_COSNT_EXPR if applicable.
7462         (grokdeclarator): Take extra parameters expr and
7463         expr_const_operands.  Track expressions used in declaration
7464         specifiers and declarators.  Fold array sizes and track whether
7465         they are constant expressions and whether they are integer
7466         constant expressions.
7467         (parser_xref_tag): Set expr and expr_const_operands fields in
7468         return value.
7469         (grokfield): Update call to grokdeclarator.
7470         (start_function): Update call to grokdeclarator.
7471         (build_null_declspecs): Set expr and expr_const_operands fields in
7472         return value.
7473         (declspecs_add_type): Handle expressions in typeof specifiers.
7474         * c-parser.c (c_parser_declspecs): Set expr and
7475         expr_const_operands fields for declaration specifiers.
7476         (c_parser_enum_specifier): Likewise.
7477         (c_parser_struct_or_union_specifier): Likewise.
7478         (c_parser_typeof_specifier): Likewise.  Update call to
7479         groktypename.  Fold expression as needed.  Return expressions with
7480         type instead of adding statements.
7481         (c_parser_attributes): Update calls to c_parser_expr_list.
7482         (c_parser_statement_after_labels): Fold expression before passing
7483         to objc_build_throw_stmt.
7484         (c_parser_condition): Fold expression.
7485         (c_parser_asm_operands): Fold expression.
7486         (c_parser_conditional_expression): Use c_save_expr.  Update call
7487         to build_conditional_expr.
7488         (c_parser_alignof_expression): Update call to groktypename.
7489         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
7490         original_code.  Fold expression argument of va_arg.  Create
7491         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
7492         argument to va_arg.  Update calls to groktypename.  Fold array
7493         index for offsetof.  Verify that first argument to
7494         __builtin_choose_expr has integer type.
7495         (c_parser_postfix_expression_after_paren_type): Update calls to
7496         groktypename and build_compound_literal.  Handle expressions with
7497         side effects in type name.
7498         (c_parser_postfix_expression_after_primary): Update call to
7499         c_parser_expr_list.  Set original_code for calls to
7500         __builtin_constant_p.
7501         (c_parser_expr_list): Take extra parameter fold_p.  Fold
7502         expressions if requested.
7503         (c_parser_objc_type_name): Update call to groktypename.
7504         (c_parser_objc_synchronized_statement): Fold expression.
7505         (c_parser_objc_receiver): Fold expression.
7506         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
7507         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
7508         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
7509         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
7510         (struct c_typespec): Add elements expr and expr_const_operands.
7511         (struct c_declspecs): Add elements expr and expr_const_operands.
7512         (groktypename, build_conditional_expr, build_compound_literal):
7513         Update prototypes.
7514         (in_late_binary_op): Declare.
7515         * c-typeck.c (note_integer_operands): New function.
7516         (in_late_binary_op): New variable.
7517         (decl_constant_value_for_broken_optimization): Move to c-common.c
7518         and rename to decl_constant_value_for_optimization.
7519         (default_function_array_conversion): Do not strip nops.
7520         (default_conversion): Do not call
7521         decl_constant_value_for_broken_optimization.
7522         (build_array_ref): Do not fold result.
7523         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
7524         result when operand is a VLA.
7525         (c_expr_sizeof_type): Update call to groktypename.  Handle
7526         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
7527         result when operand names a VLA type.
7528         (build_function_call): Update call to build_compound_literal.
7529         Only fold result for calls to __builtin_* functions.  Strip
7530         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
7531         the function designator.
7532         (convert_arguments): Fold arguments.  Update call to
7533         convert_for_assignment.
7534         (build_unary_op): Handle increment and decrement of
7535         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
7536         decrement earlier.  Fold operand of increment and decrement.
7537         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
7538         built for integer operand.  Wrap returns that are INTEGER_CSTs
7539         without being integer constant expressions or that have integer
7540         constant operands without being INTEGER_CSTs.
7541         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
7542         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
7543         result is an integer constant expression or can be used in
7544         unevaluated parts of one and avoid folding and wrap as
7545         appropriate.  Fold operands before possibly doing -Wsign-compare
7546         warnings.
7547         (build_compound_expr): Wrap result for C99 if operands can be used
7548         in integer constant expressions.
7549         (build_c_cast): Update call to digest_init.  Do not ignore
7550         overflow from casting floating-point constants to integers.  Wrap
7551         results that could be confused with integer constant expressions,
7552         null pointer constants or floating-point constants.
7553         (c_cast_expr): Update call to groktypename.  Handle expressions
7554         included in type name.
7555         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
7556         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
7557         Update calls to convert_for_assignment.
7558         (convert_for_assignment): Take new parameter
7559         null_pointer_constant.  Do not strip nops or call
7560         decl_constant_value_for_broken_optimization.  Set
7561         in_late_binary_op for conversions to boolean.
7562         (store_init_value): Update call to digest_init.
7563         (digest_init): Take new parameter null_pointer_constant.  Do not
7564         call decl_constant_value_for_broken_optimization.  pedwarn for
7565         initializers not constant expressions.  Update calls to
7566         convert_for_assignment.
7567         (constructor_nonconst): New.
7568         (struct constructor_stack): Add nonconst element.
7569         (really_start_incremental_init, push_init_level, pop_init_level):
7570         Handle constructor_nonconst and nonconst element.
7571         (set_init_index): Call constant_expression_warning for array
7572         designators.
7573         (output_init_element): Fold value.  Set constructor_nonconst as
7574         applicable.  pedwarn for initializers not constant expressions.
7575         Update call to digest_init.  Call constant_expression_warning
7576         where constant initializers are required.
7577         (process_init_element): Use c_save_expr.
7578         (c_finish_goto_ptr): Fold expression.
7579         (c_finish_return): Fold return value.  Update call to
7580         convert_for_assignment.
7581         (c_start_case): Fold switch expression.
7582         (c_process_expr_stmt): Fold expression.
7583         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
7584         ensure statement expression is not evaluated in constant expression.
7585         (build_binary_op): Track whether results are integer constant
7586         expressions or may occur in such, disable folding and wrap results
7587         as applicable.  Fold operands for -Wsign-compare warnings unless
7588         in_late_binary_op.
7589         (c_objc_common_truthvalue_conversion): Handle results folded to
7590         integer constants that are not integer constant expressions.
7591         * doc/extend.texi: Document when typeof operands are evaluated,
7592         that condition of __builtin_choose_expr is an integer constant
7593         expression, and more about use of __builtin_constant_p in
7594         initializers.
7595
7596 2009-03-29  Richard Guenther  <rguenther@suse.de>
7597
7598         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
7599         propagate addresses of array references.
7600
7601 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
7602
7603         * regmove.c (perhaps_ends_bb_p): Remove.
7604         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
7605         from INSN and check that the main loop stays within that basic block.
7606         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
7607         (regmove_forward_pass): Split out from regmove_optimize.  Use
7608         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
7609         (regmove_backward_pass): Split out from regmove_optimize.  Use
7610         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
7611         (regmove_optimize): Simplify.
7612
7613 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
7614
7615         PR target/39545
7616         * config/i386/i386.c (classify_argument): Ignore flexible array
7617         member in struct and warn ABI change.
7618
7619 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
7620
7621         * config/i386/i386-protos.h (ix86_agi_dependent): New.
7622
7623         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
7624         (ix86_adjust_cost): Updated.
7625
7626 2009-03-29  Jan Hubicka  <jh@suse.cz>
7627
7628         PR middle-end/28850
7629         * tree-pass.h (pass_cleanup_eh): New function.
7630         (remove_unreachable_regions): Break code handling RTL
7631         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
7632         that can not be reached by runtime.
7633         (can_be_reached_by_runtime): New function.
7634         (label_to_region_map): New function.
7635         (num_eh_regions): New function.
7636         (rtl_remove_unreachable_regions): New function.
7637         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
7638         (remove_eh_region): New function.
7639         * except.h: Include sbitmap and vecprim.
7640         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
7641         num_eh_regions): Declare.
7642         * passes.c (init_optimization_passes): Schedule cleanup_eh.
7643         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
7644         * tree-eh.c (tree_remove_unreachable_handlers): New function.
7645         (tree_empty_eh_handler_p): New function.
7646         (cleanup_empty_eh): New function.
7647         (cleanup_eh): New function.
7648         (pass_cleanup_eh): New function.
7649
7650 2009-03-29  Jan Hubicka  <jh@suse.cz>
7651
7652         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
7653         for removed regions.
7654
7655 2009-03-29  Jan Hubicka  <jh@suse.cz>
7656
7657         * except.c (dump_eh_tree): Dump all datastructures.
7658
7659 2009-03-29  Jan Hubicka  <jh@suse.cz>
7660
7661         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
7662         (duplicate_eh_regions_1): Likewise.
7663         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
7664         vector; call EH verification.
7665         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
7666         Be ready for region being removed.
7667
7668 2009-03-29  Jan Hubicka  <jh@suse.cz>
7669
7670         * bitmap.c (bitmap_last_set_bit): New function.
7671         * bitmap.h (bitmap_last_set_bit): Declare.
7672
7673 2009-03-29  David Ayers  <ayers@fsfe.org>
7674
7675         PR objc/27377
7676         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
7677         by calling objc_compare_types and surpress warnings about
7678         incompatible C pointers that are compatible ObjC pointers.
7679
7680 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
7681
7682         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
7683         call initialize_inline_failed.
7684         (initialize_inline_failed): Move it from here ...
7685         * cgraph.c (initialize_inline_failed): ... to here.
7686         (cgraph_create_edge): Call initialize_inline_failed rather than
7687         setting inline_failed directly.
7688
7689 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7690
7691         PR target/32542
7692         * sysv4.opt (msdata): Improve comment.
7693         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
7694         * sysv4.h (SVR4_ASM_SPEC): Likewise.
7695
7696 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7697
7698         PR target/30451
7699         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
7700         load and store attributes.
7701
7702 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7703
7704         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
7705         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
7706         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
7707         * doc/extend.texi (X86 Built-in Functions): Add index entries for
7708         __builtin_infq and __builtin_huge_valq.
7709
7710 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
7711
7712         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
7713         atmega8m1 devices.
7714         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7715         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
7716
7717 2009-03-28  Xinliang David Li  <davidxl@google.com>
7718
7719         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
7720         (do_dbg_cnt): New function.
7721
7722 2009-03-28  Jan Hubicka  <jh@suse.cz>
7723
7724         Merge from pretty-ipa:
7725
7726         2009-03-27  Jan Hubicka  <jh@suse.cz>
7727
7728         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
7729         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
7730         * passes.c (function_called_by_processed_nodes_p): New.
7731         * ipa-pure-const.c (check_call): Fix handling of operands.
7732         (analyze_function): Dump debug output for skipped bodies.
7733         (local_pure_const): Use function_called_by_processed_nodes_p.
7734         * dwarf2out.c (reference_to_unused): Use output.
7735         * passes.c (do_per_function_toporder): Likewise.
7736
7737         2008-11-12  Jan Hubicka  <jh@suse.cz>
7738
7739         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
7740         * ipa-pure-const.c (funct_state_d): Add can throw field; make
7741         state_set_in_source enum
7742         (check_decl): Ignore memory tags; do not set fake looping flags;
7743         dump diagnostics.
7744         (check_operand, check_tree, check_rhs_var, check_lhs_var,
7745         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
7746         (check_call, analyze_function): Rewrite.
7747         (check_stmt): New.
7748         (add_new_function): Update call of analyze_function.
7749         (generate_summary): Add call of analyze_function.
7750         (propagate): Propagate can_throw; handle state_set_in_source correctly.
7751         (local_pure_const): New function.
7752         (pass_local_pure_const): New pass.
7753         * ipa-inline.c (inline_transform): Set after_inlining.
7754         * tree-eh.c (stmt_can_throw_external): New.
7755         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
7756         work with aliasing built.
7757         * tree-flow.h (stmt_can_throw_external): New.
7758         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
7759         and local pure/const pass in early and late optimization queue.
7760
7761 2009-03-28  Martin Jambor  <mjambor@suse.cz>
7762
7763         * fold-const.c (get_pointer_modulus_and_residue): New parameter
7764         allow_func_align.
7765         (fold_binary): Allow function decl aligment consideration is the
7766         second argument is integer constant one.
7767         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
7768         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
7769         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
7770
7771 2009-03-28  Jan Hubicka  <jh@suse.cz>
7772
7773         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
7774         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
7775         * function.h (rtl_data): Add nothrow flag.
7776         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
7777         set DECL_NOTHROW for AVAILABLE functions.
7778
7779 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
7780
7781         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
7782         following vector keyword has expansion starting with pixel or bool
7783         keyword, expand vector to __vector and pixel or bool to __pixel or
7784         __bool.
7785
7786         PR c++/39554
7787         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
7788         warn_if_disallowed_function_p): Removed.
7789         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
7790         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
7791         warning_if_disallowed_function_p.
7792         * flags.h (warn_if_disallowed_function_p,
7793         warn_disallowed_functions): Removed.
7794         * common.opt (Wdisallowed-function-list=): Removed.
7795         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
7796
7797 2009-03-28  Richard Guenther  <rguenther@suse.de>
7798
7799         PR tree-optimization/38723
7800         * tree-ssa-pre.c (compute_avail): Add all default definitions to
7801         the entry block.
7802
7803 2009-03-28  Jan Hubicka  <jh@suse.cz>
7804
7805         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
7806         test introduced by my previous patch.
7807
7808 2009-03-28  Richard Guenther  <rguenther@suse.de>
7809
7810         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
7811         the PHIs value undefined.
7812
7813 2009-03-28  Jan Hubicka  <jh@suse.cz>
7814
7815         * tree-pass.h (pass_fixup_cfg): New pass.
7816         * ipa-inline.c (inline_transform): Set
7817         always_inline_functions_inlined/after_inlining.
7818         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
7819         (pass_fixup_cfg): New pass.
7820         * passes.c (init_optimization_passes): Add fixup_cfg.
7821
7822 2009-03-28  Richard Guenther  <rguenther@suse.de>
7823
7824         PR tree-optimization/38458
7825         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
7826         argument use the arguments copy-of value.
7827
7828 2009-03-28  Richard Guenther  <rguenther@suse.de>
7829
7830         PR tree-optimization/38180
7831         * tree-ssa-ccp.c (get_default_value): Simplify.
7832         (likely_value): Likewise.
7833         (surely_varying_stmt_p): Properly handle VOP case.
7834         (ccp_initialize): Likewise.
7835         (ccp_fold): Handle propagating through *&.
7836         (fold_const_aggregate_ref): Also handle decls.
7837
7838 2009-03-28  Jan Hubicka  <jh@suse.cz>
7839
7840         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
7841         * cgraph.h (cgraph_node): Likewise.
7842         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
7843         (cgraph_reset_node): Use process flag.
7844         (cgraph_mark_functions_to_output): Likewise.
7845         (cgraph_expand_function): Likewise.
7846         (cgraph_expand_all_functions): Likewise.
7847         (cgraph_output_in_order): Likewise.
7848         * dwarf2out.c (reference_to_unused): Likewise.
7849         * passes.c do_per_function_toporder): Likewise.
7850
7851 2009-03-28  Jan Hubicka  <jh@suse.cz>
7852
7853         Bring from lto-branch:
7854
7855         2008-09-03  Doug Kwan  <dougkwan@google.com>
7856
7857         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
7858         enums instead of reason strings.
7859         * cgraph.c (cgraph_create_edge): Same.
7860         (cgraph_inline_failed_string): New function.
7861         * cgraph.h (cgraph_inline_failed_t): New enum type.
7862         (cgraph_inline_failed_string): New prototype.
7863         (struct cgraph_edge): Change type of INLINED_FAILED from constant
7864         char pointer to cgraph_inline_failed_t.
7865         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
7866         (cgraph_default_inline_p): Ditto.
7867         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
7868         to cgraph_inline_failed_t pointer.
7869         * cif-code.def: New file.
7870         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
7871         reason string.
7872         (cgraph_check_inline_limits): Change type of REASON to pointer to
7873         cgraph_inline_failed_t.  Replace reason strings with enums.
7874         (cgraph_default_inline_p): Ditto.
7875         (cgraph_recursive_inlining_p): Ditto.
7876         (update_caller_keys): Change type of FAILED_REASON to
7877         cgraph_inline_failed_t.
7878         (cgraph_set_inline_failed): Change type of REASON to pointer to
7879         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
7880         convert enums to strings for text output.
7881         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
7882         to be of type cgraph_inline_failed_t.  Replace reason strings with
7883         enums.  Call cgraph_inline_failed_string to covert enums
7884         to strings for text output.
7885         (cgraph_decide_inlining): Replace reason strings with enums.
7886         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
7887         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
7888         for text output.
7889         * tree-inline.c (expand_call_inline): Change type of REASON
7890         to cgraph_inline_failed_t.  Replace reason strings with enums.
7891         Call cgraph_inline_failed_string for text output.
7892         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
7893         (cgraph.o): Ditto.
7894
7895 2009-03-28  Jan Hubicka  <jh@suse.cz>
7896
7897         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
7898         cgraph_clone_node): Remove master clone handling.
7899         (cgraph_is_master_clone, cgraph_master_clone): Remove.
7900         * cgraph.h (master_clone): Remove.
7901         (cgraph_is_master_clone, cgraph_master_clone): Remove.
7902         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
7903         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
7904
7905 2009-03-28  Jan Hubicka  <jh@suse.cz>
7906
7907         * cgraph.c (cgraph_function_body_availability): Functions declared
7908         inline are always safe to assume that it is not going to be replaced.
7909
7910 2009-03-28  Richard Guenther  <rguenther@suse.de>
7911
7912         PR tree-optimization/38513
7913         * tree-ssa-pre.c (eliminate): Remove redundant stores.
7914         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
7915         EXC_PTR_EXPR and FILTER_EXPR.
7916         (get_ref_from_reference_ops): Likewise.
7917
7918 2009-03-28  Richard Guenther  <rguenther@suse.de>
7919
7920         PR tree-optimization/38968
7921         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7922         Use FLOOR_MOD_EXPR to compute misalignment.
7923
7924 2009-03-28  Richard Guenther  <rguenther@suse.de>
7925
7926         PR tree-optimization/37795
7927         * tree.h (combine_comparisons): Declare.
7928         * fold-const.c (combine_comparisons): Export.
7929         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
7930         comparisons.
7931         (ifcombine_iforif): Use combine_comparisons.
7932
7933 2009-03-28  Jan Hubicka  <jh@suse.cz>
7934
7935         * tree-eh.c (inlinable_call_p): New function.
7936         (make_eh_edges): Use it.
7937         (verify_eh_edges): Use it.
7938         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
7939         * except.c (reachable_next_level): Add inlinable_function argument
7940         (sjlj_find_directly_reachable_regions): Update.
7941         (add_reachable_handler): Do not set saw_any_handlers.
7942         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
7943         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
7944         Add new inlinable call parameter.
7945         (can_throw_internal, can_throw_external): Update.
7946         * except.h (can_throw_internal_1, can_throw_external_1,
7947         foreach_reachable_handler): Update declaration.
7948
7949 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
7950
7951         * config/arm/t-arm-coff, config/h8300/coff.h,
7952         config/i386/i386-aout.h, config/i386/i386-coff.h,
7953         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
7954         config/pdp11/2bsd.h, config/rs6000/aix41.h,
7955         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
7956         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
7957         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
7958         sys-types.h: Remove.
7959         * Makefile.in: Remove protoize and fixproto support and references
7960         in comments.
7961         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
7962         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
7963         Remove.
7964         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
7965         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
7966         unprotoize$(exeext).
7967         (rest.encap): Don't depend on $(STMP_FIXPROTO)
7968         (.PHONY): Don't depend on proto.
7969         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
7970         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
7971         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
7972         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
7973         build/gen-protos.o, build/scan.o, xsys-protos.h,
7974         build/fix-header$(build_exeext), build/fix-header.o,
7975         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
7976         stmp-install-fixproto): Remove.
7977         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
7978         SYSCALLS.c or fixproto files.
7979         (install-common): Don't install protoize.
7980         (install-headers-tar, install-headers-cpio, install-headers-cp):
7981         Don't depend on $(STMP_FIXPROTO).
7982         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
7983         install fixproto files or write out fixproto settings.
7984         (uninstall): Don't uninstall protoize.
7985         * config.gcc (use_fixproto): Remove.
7986         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
7987         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
7988         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
7989         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
7990         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
7991         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
7992         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
7993         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
7994         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
7995         * config/t-vxworks (STMP_FIXPROTO): Remove.
7996         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
7997         STMP_FIXPROTO): Remove.
7998         * config.in, configure: Regenerate.
7999         * crtstuff.c (gid_t, uid_t): Don't undefine.
8000         * doc/install.texi: Change m68k-coff to m68k-elf in example.
8001         (arm-*-coff, arm-*-aout: Remove target entries.
8002         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
8003         Remove mention of AIX 4.1.
8004         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
8005         * doc/invoke.texi (Running Protoize): Remove.
8006         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
8007         (Protoize Caveats): Remove.
8008         * tsystem.h: Update comments on headers assumed to exist.
8009
8010 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
8011
8012         * genautomata.c: Add a new year to the copyright.  Add a new
8013         reference.
8014         (struct insn_reserv_decl): Add comments for member bypass_list.
8015         (find_bypass): Remove.
8016         (insert_bypass): New.
8017         (process_decls): Use insert_bypass.
8018         (output_internal_insn_latency_func): Output all bypasses with the
8019         same input insn in one switch case.
8020
8021         * rtl.def (define_bypass): Describe bypass choice.
8022         * doc/md.texi (define_bypass): Ditto.
8023
8024 2009-03-27  Richard Guenther  <rguenther@suse.de>
8025
8026         * gimplify.c (mark_addressable): Export.
8027         * tree-flow.h (mark_addressable): Declare.
8028         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
8029         * tree-ssa.c (verify_phi_args): Verify that address taken
8030         variables have TREE_ADDRESSABLE set.
8031
8032 2009-03-27  Richard Guenther  <rguenther@suse.de>
8033
8034         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
8035         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
8036         Do not mark decls TREE_ADDRESSABLE.
8037         (build_fold_addr_expr): Adjust.
8038         (fold_addr_expr): Remove.
8039         (fold_unary): Use build_fold_addr_expr.
8040         (fold_comparison): Likewise.
8041         (split_address_to_core_and_offset): Likewise.
8042         * coverage.c (tree_coverage_counter_addr): Mark the array decl
8043         TREE_ADDRESSABLE.
8044         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
8045         (gimplify_modify_expr_to_memcpy): Mark source and destination
8046         addressable.
8047         * omp-low.c (create_omp_child_function): Mark the object decl
8048         TREE_ADDRESSABLE.
8049         (lower_rec_input_clauses): Mark the var we take the address of
8050         TREE_ADDRESSABLE.
8051         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
8052
8053 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8054
8055         PR middle-end/39315
8056         * cfgexpand.c (expand_one_stack_var_at): Change alignment
8057         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
8058
8059 2009-03-27  Richard Guenther  <rguenther@suse.de>
8060
8061         PR tree-optimization/39120
8062         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
8063         constraints.
8064         (handle_lhs_call): Process return constraints.  Add escape
8065         constraints if necessary.
8066         (handle_const_call): Fill out return constraints.  Make nested
8067         case more precise.  Avoid consttmp if possible.
8068         (handle_pure_call): Fill out return constraints.  Avoid
8069         callused if possible.
8070         (find_func_aliases): Simplify call handling.
8071
8072 2009-03-27  Richard Guenther  <rguenther@suse.de>
8073
8074         PR tree-optimization/39120
8075         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
8076         as a representative.
8077         (solve_graph): Do propagate CALLUSED.
8078         (handle_pure_call): Use a scalar constraint from CALLUSED for
8079         the return value.
8080         (find_what_p_points_to): CALLUSED shall not appear in poins-to
8081         solutions.
8082
8083 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8084
8085         PR c/39323
8086         * c-common.c (handle_aligned_attribute): Properly check alignment
8087         overflow.  Use (1U << i) instead of (1 << i).
8088
8089         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
8090
8091         * expr.h (get_mem_align_offset): Updated.
8092
8093         * tree.h (tree_decl_common): Change align to "unsigned int" and
8094         move it before pointer_alias_set.
8095
8096 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8097             Jakub Jelinek  <jakub@redhat.com>
8098
8099         PR target/38034
8100         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
8101         gr_register_operand with gr_reg_or_0_operand.
8102         (cmpxchg_rel_di): Likewise.
8103         (sync_lock_test_and_set<mode>): Likewise.
8104
8105 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8106
8107         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
8108         (true_regnum): Likewise.
8109
8110         * rtlanal.c (subreg_info): Moved to ...
8111         * rtl.h (subreg_info): Here.  New.
8112         (subreg_get_info): New.
8113
8114         * rtlanal.c (subreg_get_info): Make it extern.
8115
8116 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8117
8118         PR target/39472
8119         * config/i386/i386.c (ix86_abi): New.
8120         (override_options): Handle -mabi=.
8121         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
8122         (ix86_call_abi_override): Likewise.
8123         (init_cumulative_args): Likewise.
8124         (function_arg_advance): Likewise.
8125         (function_arg_64): Likewise.
8126         (function_arg): Likewise.
8127         (ix86_pass_by_reference): Likewise.
8128         (ix86_function_value_regno_p): Likewise.
8129         (ix86_build_builtin_va_list_abi): Likewise.
8130         (setup_incoming_varargs_64): Likewise.
8131         (is_va_list_char_pointer): Likewise.
8132         (ix86_init_machine_status): Likewise.
8133         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
8134         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
8135         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
8136         (ix86_function_abi): Make it static and return enum calling_abi.
8137         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
8138         with ix86_abi.
8139         (ix86_fn_abi_va_list): Updated.
8140
8141         * config/i386/i386.h (ix86_abi): New.
8142         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
8143         (CONDITIONAL_REGISTER_USAGE): Likewise.
8144         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
8145         (machine_function): Likewise.
8146
8147         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
8148         with ix86_abi.
8149         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
8150         (STACK_BOUNDARY): Likewise.
8151         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
8152
8153         * config/i386/i386.opt (mabi=): New.
8154
8155         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
8156         return enum calling_abi.
8157         (ix86_function_type_abi): Likewise.
8158         (ix86_function_abi): Removed.
8159
8160         * doc/invoke.texi: Document -mabi= option for x86.
8161
8162 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8163
8164         * builtins.c (real_dconstp): Delete.
8165         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
8166
8167 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
8168             Jakub Jelinek  <jakub@redhat.com>
8169
8170         PR debug/37959
8171         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
8172         (gen_subprogram_die): When a function is explicit, generate the
8173         DW_AT_explicit attribute.
8174         * langhooks.h (struct lang_hooks_for_decls): Add
8175         function_decl_explicit_p langhook.
8176         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
8177         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
8178
8179 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
8180
8181         * builtins.c (fold_builtin_memory_op): Optimize memmove
8182         into memcpy if we can prove source and destination don't overlap.
8183
8184         * tree-inline.c: Include gt-tree-inline.h.
8185         (clone_fn_id_num): New variable.
8186         (clone_function_name): New function.
8187         (tree_function_versioning): Use it.
8188         * Makefile.in (GTFILES): Add tree-inline.c.
8189
8190 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
8191
8192         * BASE-VER: Change to 4.5.0.
8193
8194 2009-03-27  Xinliang David Li  <davidxl@google.com>
8195
8196         PR tree-optimization/39557
8197         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
8198
8199 2009-03-27  Xinliang David Li  <davidxl@google.com>
8200
8201         PR tree-optimization/39548
8202         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
8203         candidate check.
8204
8205 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8206
8207         * c-common.c (pointer_int_sum): Use %wd on return from
8208         tree_low_cst.
8209
8210 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8211
8212         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
8213         on return from tree_low_cst.
8214
8215 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8216
8217         PR c++/36799
8218         * ginclude/stdarg.h (va_copy): Define also for
8219         __GXX_EXPERIMENTAL_CXX0X__.
8220
8221 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8222
8223         PR c++/35652
8224         * builtins.h (c_strlen): Do not warn here.
8225         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
8226         * c-common.c (pointer_int_sum): Take an explicit location.
8227         Warn about offsets out of bounds.
8228         * c-common.h (pointer_int_sum): Adjust declaration.
8229
8230 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8231
8232         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
8233         markup glitch.
8234
8235 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
8236
8237         PR c++/39554
8238         * opts.c (warn_if_disallowed_function_p): Don't assume
8239         get_callee_fndecl must return non-NULL.
8240
8241 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
8242
8243         PR rtl-optimization/39522
8244         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
8245         when reg_reloaded_valid is set.
8246
8247 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8248
8249         * config/spu/divv2df3.c: New file.
8250         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
8251         (DPBIT_FUNCS): Filter out _div_df.
8252
8253 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
8254
8255         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
8256         a jump insn, count that jump in the distance to the loop start.
8257
8258 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
8259
8260         PR target/39523
8261         * config/sh/sh.c (calc_live_regs): Fix condition for global
8262         registers except PIC_OFFSET_TABLE_REGNUM.
8263
8264 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
8265
8266         PR/39518
8267         * doc/invoke.texi (-mconsole): New.
8268         (-mcygwin): New.
8269         (-mno-cygwin): New.
8270         (-mdll): New.
8271         (-mnop-fun-dllimport): New.
8272         (-mthread): New.
8273         (-mwin32): New.
8274         (-mwindows): New.
8275         (sub section "i386 and x86-64 Windows Options"): New.
8276
8277 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
8278
8279         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
8280         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
8281
8282 2009-03-25  Richard Guenther  <rguenther@suse.de>
8283
8284         PR middle-end/39497
8285         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
8286         of -Wno-error.
8287
8288 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
8289
8290         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
8291         neither of haifa/selective schedulers are working.
8292
8293 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8294
8295         * doc/invoke.texi (Debugging Options): Fix description of
8296         -fno-merge-debug-strings.
8297
8298 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
8299
8300         * config/cris/libgcc.ver: New version-script.
8301         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
8302
8303         * configure.ac <GAS features, nop mnemonic>: Add pattern
8304         crisv32-*-* for "nop".
8305         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
8306         * configure: Regenerate.
8307
8308 2009-03-24  Ira Rosen  <irar@il.ibm.com>
8309
8310         PR tree-optimization/39529
8311         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
8312         mark_sym_for_renaming for the tag copied to the new vector
8313         pointer.
8314
8315 2009-03-24  Arthur Loiret  <aloiret@debian.org>
8316
8317         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
8318         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
8319         EXTRA_SPEC_FUNCTIONS.
8320         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
8321         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
8322         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
8323         -march and -mtune options.
8324
8325 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
8326
8327         * config/m68k/t-rtems: Add m5329 multilib.
8328
8329 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
8330             Jakub Jelinek  <jakub@redhat.com>
8331
8332         PR debug/39524
8333         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
8334         nodes.
8335
8336 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8337
8338         PR c/39495
8339         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
8340         instead of c_parser_expression_conv, if original_code isn't one of the
8341         4 allowed comparison codes, fail.
8342
8343 2009-03-23  Richard Guenther  <rguenther@suse.de>
8344
8345         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
8346         * tree.h (struct tree_type): Likewise.
8347         * reload.h (struct insn_chain): Likewise.
8348         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
8349         * function.h (struct function): Likewise.
8350         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
8351
8352 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8353
8354         PR tree-optimization/39516
8355         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
8356
8357 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
8358
8359         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
8360         should be set true if BITS_PER_WORD of target is bigger than 32
8361
8362 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
8363
8364         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
8365         Translate -B-options to -rpath-link.  Correct existing
8366         rpath-link and conditionalize on !nostdlib.
8367
8368 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8369
8370         * doc/extend.texi (Function Attributes, Variable Attributes):
8371         Fix typos.
8372         * doc/invoke.texi (Debugging Options, Optimize Options)
8373         (i386 and x86-64 Options, MCore Options): Likewise.
8374
8375 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
8376
8377         PR debug/37890
8378         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
8379         it for block local namespace aliases.
8380         (gen_decl_die): Pass context_die to gen_namespace_die.
8381
8382 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8383
8384         PR c/39495
8385         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
8386         minimum or maximum value.
8387
8388 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
8389
8390         * reginfo.c (globalize_reg): Recompute derived reg sets.
8391
8392 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
8393
8394         PR target/39063
8395         * libgcc2.c (mprotect): Do not use signed arguments for
8396         VirtualProtect, use DWORD arguments.  Also fix the 'may
8397         be used uninitialized' warning for the np variable.
8398
8399 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8400
8401         PR target/39496
8402         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
8403         functions using regparm calling conventions when not optimizing.
8404         (ix86_function_sseregparm): Similarly for sseregparm calling
8405         conventions.
8406
8407 2009-03-19  Li Feng  <nemokingdom@gmail.com>
8408
8409         PR middle-end/39500
8410         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
8411         dependence if the first conflict is after niter iterations.
8412
8413 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
8414
8415         PR middle-end/38609
8416         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
8417         functions with dynamic stack-pointer adjustments.
8418
8419 2009-03-19  Ben Elliston  <bje@au.ibm.com>
8420
8421         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
8422         option; change to -msdata=data.
8423
8424 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8425
8426         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
8427         and -fopenmp.
8428
8429 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
8430
8431         PR target/35180
8432         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
8433
8434 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
8435
8436         * doc/invoke.texi (Code Gen Options): Expand discussion of
8437         -fno-common.
8438
8439 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
8440
8441         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
8442         * matrix-reorg.c (struct matrix_info): Likewise.
8443         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
8444         * rtl.h (struct mem_attrs): Likewise.
8445         * df.h (struct df): Likewise.
8446         * tree-data-ref.h (struct data_dependence_relation): Likewise.
8447         * ira-int.h (struct ira_allocno): Likewise.
8448         * df-scan.c (struct df_collection_rec): Likewise.
8449         * ira.c (struct equivalence): Likewise.
8450         * function.c (struct temp_slot): Likewise.
8451         * cfgloop.h (struct loop): Likewise.
8452
8453         PR debug/39485
8454         * function.c (use_register_for_decl): When not optimizing, disregard
8455         register keyword for variables with types containing methods.
8456
8457 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
8458
8459         PR middle-end/39447
8460         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
8461         (is_simple_operand): Call contains_component_ref_p before calling data
8462         reference analysis that would fail on COMPONENT_REFs.
8463
8464         * tree-vrp.c (search_for_addr_array): Fix formatting.
8465
8466 2009-03-18  Richard Guenther  <rguenther@suse.de>
8467
8468         * tree-vect-transform.c (vect_loop_versioning): Fold the
8469         generated comparisons.
8470         * tree-vectorizer.c (set_prologue_iterations): Likewise.
8471         (slpeel_tree_peel_loop_to_edge): Likewise.
8472
8473 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8474
8475         PR middle-end/37805
8476         * opts.c (print_specific_help): In addition to `undocumented',
8477         accept `separate' and `joined' flags if passed alone.  Describe
8478         output by the first matched one of those.
8479         (common_handle_option): Skip over empty strings.
8480         * gcc.c (display_help): Fix help string for `--help='.
8481         * doc/invoke.texi (Option Summary, Overall Options): With
8482         `--help=', classes and qualifiers can both be repeated, but
8483         only the latter can be negated.  One should not pass only
8484         negated qualifiers.  Fix markup and examples.
8485
8486         Revert
8487         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
8488         PR middle-end/37805
8489         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
8490         and -fhelp=separate.
8491
8492 2009-03-17  Jing Yu  <jingyu@google.com>
8493
8494         PR middle-end/39378
8495         * function.h (struct rtl_data): Move is_thunk from here...
8496         (struct function): ...to here.
8497         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
8498         * varasm.c (assemble_start_function): Change is_thunk from crtl to
8499         cfun.
8500         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
8501         cfun.
8502         (alpha_does_function_need_gp, alpha_start_function): Likewise.
8503         (alpha_output_function_end_prologue): Likewise.
8504         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
8505         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
8506         (rs6000_output_function_epilogue): Likewise.
8507         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
8508
8509 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
8510
8511         PR target/39482
8512         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
8513         from different units in a single alternative.
8514         (*truncdfsf_i387): Ditto.
8515         (*truncxfsf2_mixed): Ditto.
8516         (*truncxfdf2_mixed): Ditto.
8517
8518 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
8519
8520         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
8521         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
8522
8523         PR debug/39474
8524         * tree-ssa-live.c (remove_unused_locals): Don't remove local
8525         unused non-artificial variables when not optimizing.
8526
8527         PR debug/39471
8528         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
8529         DW_TAG_imported_module even if decl is IMPORTED_DECL with
8530         NAMESPACE_DECL in its DECL_INITIAL.
8531
8532         PR middle-end/39443
8533         * optabs.c (set_user_assembler_libfunc): New function.
8534         * expr.h (set_user_assembler_libfunc): New prototype.
8535         * c-common.c: Include libfuncs.h.
8536         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
8537         for memcmp, memset, memcpy, memmove and abort.
8538         * Makefile.in (c-common.o): Depend on libfuncs.h.
8539
8540         PR debug/39412
8541         * dwarf2out.c (gen_inlined_enumeration_type_die,
8542         gen_inlined_structure_type_die, gen_inlined_union_type_die,
8543         gen_tagged_type_instantiation_die): Removed.
8544         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
8545         do nothing.
8546
8547 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
8548
8549         PR testsuite/38526
8550         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
8551         its use.
8552         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
8553         (check-parallel-%): Ditto.
8554         (check-consistency): Ditto.
8555
8556 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
8557
8558         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
8559         local variable rhs by NULL_TREE.
8560
8561 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8562
8563         PR target/39477
8564         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
8565
8566 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8567
8568         PR target/39476
8569         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
8570
8571 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8572
8573         PR target/39473
8574         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
8575         for ms->sysv ABI calls only in 64bit mode.
8576
8577         * config/i386/i386.md (untyped_call): Support 32bit.
8578
8579 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
8580
8581         * doc/extend.texi: Replace x86_65 with x86_64.
8582
8583 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
8584
8585         PR tree-optimization/39455
8586         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
8587         mismatches for POINTER_TYPE_P (type).
8588         (number_of_iterations_le): Likewise.
8589
8590 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
8591
8592         * config/picochip/picochip.c: Removed profiling support.
8593         * config/picochip/picochip.md: Removed profiling instruction.
8594         * config/picochip/picochip.h: Removed profiling builtin.
8595
8596 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
8597
8598         * doc/install.texi (--with-host-libstdcxx): Document.
8599
8600 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
8601
8602         PR target/34299
8603         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
8604         generate a warning if the function name does not begin with
8605         "__vector" and the function has either the 'signal' or 'interrupt'
8606         attribute, from here to ...
8607         (avr_declare_function_name): ...here. New function.
8608         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
8609         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
8610
8611 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
8612
8613         PR bootstrap/39454
8614         * cse.c (fold_rtx): Don't modify original const_arg1 when
8615         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
8616         separate variable instead.
8617         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
8618         from out of range shift counts.
8619         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
8620
8621 2009-03-13  Catherine Moore  <clm@codesourcery.com>
8622
8623         * config/i386/x-mingw32 (host-mingw32.o): Replace
8624         diagnostic.h with $(DIAGNOSTIC_H).
8625
8626 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
8627
8628         PR target/39431
8629         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
8630         predicate.
8631         * config/i386/sync.md (sync_compare_and_swap<mode>,
8632         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
8633         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
8634         into a register.
8635         (sync_double_compare_and_swapdi_pic,
8636         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
8637         cmpxchg8b_pic_memory_operand instead of just memory_operand.
8638
8639 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8640
8641         PR target/39445
8642         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
8643
8644 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8645
8646         PR target/39327
8647         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
8648         (avx_addsubv4df3): Likewise.
8649         (*avx_addsubv4sf3): Likewise.
8650         (sse3_addsubv4sf3): Likewise.
8651
8652 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8653
8654         PR target/38824
8655         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
8656
8657 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
8658
8659         PR debug/39432
8660         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
8661         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
8662         registers for allocnos created from user-defined variables.
8663
8664 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8665
8666         PR target/39181
8667         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
8668         of non-integer mode as well.
8669
8670 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
8671
8672         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
8673         for functions for which the parameter types are unknown.
8674
8675 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
8676
8677         PR target/39137
8678         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
8679         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
8680         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
8681         * config/i386/i386.c (ix86_local_alignment): For
8682         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
8683         long long variables on the stack to avoid dynamic realignment.
8684         Allow the first argument to be a decl rather than type.
8685         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
8686
8687 2009-03-11  Nick Clifton  <nickc@redhat.com>
8688
8689         PR target/5362
8690         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
8691         options.
8692         Add description to mno-lsim option.
8693         * config/mcore/mcore.h: Remove comment about deprecated m4align
8694         option.
8695         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
8696         * doc/invoke.texi: Add description of mno-lsim and
8697         mstack-increment options.
8698
8699         * config/fr30/fr30.opt: Document the -mno-lsim option.
8700         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
8701         and -mno-lsim options.
8702
8703 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8704
8705         * fold-const.c (fold_comparison): Only call fold_inf_compare
8706         if the mode supports infinities.
8707
8708 2009-03-11  Jason Merrill  <jason@redhat.com>
8709
8710         PR debug/39086
8711         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
8712         end already did.  Notice GIMPLE_CALL modifications of the result.
8713         Don't copy debug information from an ignored decl or a decl from
8714         another function.
8715
8716 2009-03-10  Richard Guenther  <rguenther@suse.de>
8717             Nathan Froyd  <froydnj@codesourcery.com>
8718
8719         PR middle-end/37850
8720         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
8721         (__divMODE3): Likewise.
8722
8723 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
8724
8725         PR tree-optimization/39394
8726         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
8727         DECL_SIZE_UNIT of variable length FIELD_DECLs.
8728
8729 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8730
8731         * recog.c (verfiy_changes): Disallow renaming of hard regs in
8732         inline asms for register asm ("") declarations.
8733
8734 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
8735
8736         * fold-const.c (fold_unary): Fix comment.
8737
8738 2009-03-07  Jan Hubicka  <jh@suse.cz>
8739
8740         PR target/39361
8741         * tree-inline.c (setup_one_parameter): Do replacement of const
8742         argument by constant in SSA form.
8743
8744 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8745
8746         PR middle-end/38028
8747         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
8748         determine alignment passed to assign_stack_local.
8749         (assign_parms_unsplit_complex): Likewise.
8750         * except.c (sjlj_build_landing_pads): Likewise.
8751
8752 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
8753
8754         PR middle-end/39360
8755         * tree-flow.h (add_referenced_var): Return bool instead of void.
8756         * tree-dfa.c (add_referenced_var): Return result of
8757         referenced_var_check_and_insert call.
8758         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
8759         of referenced_var_check_and_insert.
8760
8761         PR debug/39372
8762         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
8763         (gen_variable_die): Emit DW_AT_location on abstract static variable's
8764         DIE, don't emit it if abstract origin already has it.
8765         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
8766         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
8767
8768 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
8769
8770         * genpreds.c (needs_variable): Fix parentheses at variable name
8771         detection.
8772         (write_tm_constrs_h): Indent generated code.
8773
8774 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8775
8776         * doc/extend.texi (Function Attributes): Add documentation
8777         for isr attributes.
8778
8779 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
8780
8781         PR debug/39387
8782         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
8783         take locus from its DECL_SOURCE_LOCATION instead of input_location.
8784
8785 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
8786
8787         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
8788         the loop as bad.
8789
8790 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
8791
8792         PR debug/39379
8793         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
8794         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
8795
8796 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
8797
8798         * config/i386/i386.md (R8_REG, R9_REG): New constants.
8799         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
8800         constants instead of magic numbers.
8801         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
8802         (QI_REG_P): Ditto.
8803         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
8804         (x86_64_ms_abi_int_parameter_registers): Ditto.
8805         (x86_64_int_return_registers): Ditto.
8806         (ix86_maybe_switch_abi): Ditto.
8807         (ix86_expand_call): Ditto for clobbered_registers array.
8808         (ix86_hard_regno_mode_ok): Ditto.
8809         (x86_extended_QIreg_mentioned_p): Ditto.
8810
8811 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
8812
8813         PR tree-optimization/39349
8814         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
8815
8816         * combine.c (gen_lowpart_for_combine): Use omode when generating
8817         clobber.
8818
8819 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
8820
8821         PR rtl-optimization/39235
8822         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
8823
8824 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8825
8826         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
8827
8828 2009-03-04  Richard Guenther  <rguenther@suse.de>
8829
8830         PR tree-optimization/39362
8831         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
8832         that occur in abnormal PHIs should be varying.
8833
8834 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8835
8836         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
8837         Extend comments.
8838         (simple_iv):  Take loop as an argument instead of statement.
8839         * tree-scalar-evolution.h (simple_iv): Declaration changed.
8840         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
8841         to simple_iv.
8842         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
8843         Ditto.
8844         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
8845         * matrix-reorg.c (analyze_transpose): Ditto.
8846         * tree-data-ref.c (dr_analyze_innermost): Ditto.
8847         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
8848         * tree-predcom.c (ref_at_iteration): Ditto.
8849         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
8850
8851 2009-03-04  Richard Guenther  <rguenther@suse.de>
8852
8853         PR tree-optimization/39358
8854         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
8855         escaped_id and callused_id.
8856         (solve_graph): Likewise.
8857
8858 2009-03-04  Richard Guenther  <rguenther@suse.de>
8859
8860         PR tree-optimization/39339
8861         * tree-sra.c (try_instantiate_multiple_fields): Make it
8862         no longer ICE on the above.
8863
8864 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
8865
8866         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
8867         that fits within Pmode.
8868
8869 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8870
8871         PR middle-end/10109
8872         * tm.texi (LIBCALL_VALUE): Update description.
8873
8874 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8875
8876         PR middle-end/34443
8877         * doc/extend.texi (section): Update description.
8878
8879 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
8880
8881         PR middle-end/39345
8882         * tree-inline.c (remapped_type): New.
8883         (can_be_nonlocal): Call remapped_type instead of remap_type.
8884
8885 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
8886
8887         PR fortran/39354
8888         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
8889         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
8890
8891 2009-03-03  Richard Guenther  <rguenther@suse.de>
8892
8893         PR middle-end/39272
8894         * tree.c (tree_nonartificial_location): New function.
8895         * tree.h (tree_nonartificial_location): Declare.
8896         * builtins.c (expand_builtin_memory_chk): Provide location
8897         of the call location for artificial function pieces.
8898         (maybe_emit_chk_warning): Likewise.
8899         (maybe_emit_sprintf_chk_warning): Likewise.
8900         (maybe_emit_free_warning): Likewise.
8901         * expr.c (expand_expr_real_1): Likewise.
8902
8903 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
8904
8905         PR tree-optimization/39343
8906         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
8907         COMPONENT_REF t has ARRAY_TYPE.
8908
8909 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8910
8911         PR middle-end/39335
8912         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
8913         when the type precision of the induction variable should be
8914         larger than the type precision of nit.
8915         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
8916         * graphite.c (graphite_loop_normal_form): Same.
8917         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
8918
8919 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
8920
8921         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
8922         (*call_1_rex64_ms_sysv): Use named constants instead of magic
8923         numbers to describe clobbered registers.
8924         (*call_value_0_rex64_ms_sysv): Ditto.
8925         * config/i386/mmx.md (mmx_emms): Ditto.
8926         (mmx_femms): Ditto.
8927
8928 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
8929
8930         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
8931         of ABI_64.
8932
8933 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8934
8935         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
8936         (spu_section_type_flags): New function.
8937
8938 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
8939
8940         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
8941         reg_class_contents of FLOAT_REGS into a temporary.
8942
8943 2009-03-02  Richard Guenther  <rguenther@suse.de>
8944             Ira Rosen  <irar@il.ibm.com>
8945
8946         PR tree-optimization/39318
8947         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
8948         information to the vectorized statement.
8949
8950 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
8951
8952         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
8953         variable.  Use defined names instead of magic constants for REX SSE
8954         registers.
8955
8956 2009-03-01  Richard Guenther  <rguenther@suse.de>
8957
8958         PR tree-optimization/39331
8959         * omp-low.c (lower_send_shared_vars): Do not receive new
8960         values for the reference of DECL_BY_REFERENCE parms or results.
8961
8962 2009-03-01  Jan Hubicka  <jh@suse.cz>
8963
8964         PR debug/39267
8965         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
8966         BLOCK_NONLOCALIZED_VAR): New macros.
8967         (tree_block): Add nonlocalized_vars.
8968         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
8969         gen_decl_die): Add origin argument.  Allow generation of die with
8970         origin at hand only.
8971         (gen_member_die, gen_type_die_with_usage, force_decl_die,
8972         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
8973         of gen_*.
8974         (gen_block_die): Fix checking for unused blocks.
8975         (process_scope_var): Break out from .... ; work with origins only.
8976         (decls_for_scope) ... here; process nonlocalized list.
8977         (dwarf2out_ignore_block): Look for nonlocalized vars.
8978         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
8979         vars.
8980         (dump_scope_block): Dump them.
8981         * tree-inline.c (remap_decls): Handle nonlocalized vars.
8982         (remap_block): Likewise.
8983         (can_be_nonlocal): New predicate.
8984         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
8985
8986 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8987
8988         * configure: Regenerate.
8989
8990 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8991
8992         * optc-gen.awk: No need to duplicate option flags twice.
8993         Reuse help texts for duplicate options which do not have any.
8994
8995         * gcc.c (display_help): Document --version.
8996
8997         * gcc.c (main): If print_help_list and verbose_flag, ensure
8998         driver output comes before subprocess output.
8999
9000         * optc-gen.awk: Assign all remaining fields to help string,
9001         space-separated, for multi-line help in *.opt.
9002
9003         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
9004         -Wno-pedantic-ms-format is for MinGW targets only.
9005
9006         * doc/options.texi (Option file format): Fix bad indentation,
9007         restoring dropped sentence.
9008
9009 2009-02-28  Jan Hubicka  <jh@suse.cz>
9010
9011         * tree-inline.c (tree_function_versioning): Output debug info.
9012
9013 2009-02-28  Jan Hubicka  <jh@suse.cz>
9014
9015         PR debug/39267
9016         * tree-inline.c (setup_one_parameter): Do not copy propagate
9017         arguments when not optimizing.
9018
9019 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9020
9021         PR target/39327
9022         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9023         (avx_addsubv4df3): Likewise.
9024         (*avx_addsubv4sf3): Likewise.
9025         (sse3_addsubv4sf3): Likewise.
9026         (*avx_addsubv2df3): Likewise.
9027         (sse3_addsubv2df3): Likewise.
9028         (avx_unpckhps256): Correct item selectors.
9029         (avx_unpcklps256): Likewise.
9030         (avx_unpckhpd256): Likewise.
9031         (avx_unpcklpd256): Likewise.
9032
9033 2009-02-28  Jan Hubicka  <jh@suse.cz>
9034
9035         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
9036         static vars.
9037         (copy_arguments_for_versioning): If var is declared don't declare it.
9038         (tree_function_versioning): First setup substitutions and then copy
9039         args.
9040
9041 2009-02-27  Jan Hubicka  <jh@suse.cz>
9042
9043         PR debug/39267
9044         * cgraph.h (varpool_output_debug_info): Remove.
9045         * cgraphunit.c (varpool_output_debug_info): Remove.
9046         * dwarf2out.c (deferred_locations_struct): New struct
9047         (deferred_locations): New type.
9048         (deferred_locations_list): New static var.
9049         (deffer_location): New function.
9050         (gen_variable_die): Use it.
9051         (decls_for_scope): Output info on local static vars.
9052         (dwarf2out_finish): Process deferred locations.
9053         * varpool.c (varpool_output_debug_info): Remove.
9054
9055 2009-02-27  Jan Hubicka  <jh@suse.cz>
9056
9057         PR debug/39267
9058         * tree.h (TREE_PROTECTED): Fix comment.
9059         (BLOCK_HANDLER_BLOCK): Remove.
9060         (struct tree_block): Remove handler_block add body_block.
9061         (inlined_function_outer_scope_p): New.
9062         (is_body_block): Remove.
9063         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
9064         * dwarf2out.c (is_inlined_entry_point): Remove.
9065         (add_high_low_attributes): Use inlined_function_outer_scope_p.
9066         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
9067         code.
9068         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
9069         * gimplify.c (gimplify_expr): Gimplify body blocks.
9070         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
9071         block with multiple subblocks.
9072         (dump_scope_block): Prettier output; dump more flags and info.
9073         (dump_scope_blocks): New.
9074         (remove_unused_locals): Use dump_scope_blocks.
9075         * tree-flow.h (dump_scope_blocks): Declare.
9076         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
9077         * stmt.c (is_body_block): Remove.
9078         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
9079         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
9080
9081 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
9082
9083         PR middle-end/39308
9084         * graphite.c (graphite_loop_normal_form): Do not call
9085         number_of_iterations_exit from a gcc_assert.
9086
9087 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9088
9089         * config/s390/s390.c (s390_swap_cmp): Look for conditional
9090         jumps if COND is NULL.
9091         (find_cond_jump): New function.
9092         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
9093         * config/s390/s390.md: Remove z10_cobra attribute value.
9094
9095 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
9096
9097         * config/alpha/alpha.h (alpha_expand_mov): Return false if
9098         force_const_mem returns NULL_RTX.
9099
9100 2009-02-26  Jan Hubicka  <jh@suse.cz>
9101
9102         PR debug/39267
9103         * cgraph.h (varpool_output_debug_info): Remove.
9104         * cgraphunit.c (varpool_output_debug_info): Remove.
9105         * dwarf2out.c (deferred_locations_struct): New struct
9106         (deferred_locations): New type.
9107         (deferred_locations_list): New static var.
9108         (deffer_location): New function.
9109         (gen_variable_die): Use it.
9110         (decls_for_scope): Output info on local static vars.
9111         (dwarf2out_finish): Process deferred locations.
9112         * varpool.c (varpool_output_debug_info): Remove.
9113
9114 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
9115
9116         PR rtl-optimization/39241
9117         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
9118         to subreg_offset_representable_p.
9119
9120 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9121
9122         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
9123         execute function prototype.  Get f and nregs from max_reg_num
9124         and get_insns.  Remove the first backward pass as it's dead,
9125         guard the forward pass by flag_expensive_optimizations.
9126         (rest_of_handle_regmove): Delete.
9127         (pass_regmove): Replace it with regmove_optimize.
9128
9129 2009-02-25  Martin Jambor  <mjambor@suse.cz>
9130
9131         PR tree-optimization/39259
9132         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
9133         calls_alloca function flags.
9134         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
9135         calls are detected.
9136
9137 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9138
9139         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
9140         flags_set_1_rtx, flags_set_1_set): Delete.
9141         (regmove_optimize): Do not call mark_flags_life_zones.
9142
9143 2009-02-24  Julian Brown  <julian@codesourcery.com>
9144
9145         PR target/35965
9146         * config/arm/arm.c (require_pic_register): Only set
9147         cfun->machine->pic_reg once per function.
9148
9149 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
9150
9151         * doc/invoke.texi (Link Options): Document an easier way to pass
9152         options that take arguments to the GNU linker using -Xlinker and -Wl.
9153
9154 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
9155
9156         PR target/33785
9157         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
9158
9159 2009-02-24  Richard Guenther  <rguenther@suse.de>
9160
9161         PR debug/39285
9162         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
9163
9164 2009-02-24  Richard Guenther  <rguenther@suse.de>
9165             Zdenek Dvorak  <ook@ucw.cz>
9166
9167         PR tree-optimization/39233
9168         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
9169         from converting them to a generic type.
9170
9171 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
9172
9173         PR tree-optimization/39260
9174         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
9175         contains a condition with a real type.
9176         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
9177
9178 2009-02-23  Jason Merrill  <jason@redhat.com>
9179
9180         PR c++/38880
9181         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
9182         narrowing_initializer_constant_valid_p.
9183         (narrowing_initializer_constant_valid_p): Don't return
9184         null_pointer_node for adding a pointer to itself.
9185
9186 2009-02-23  Jan Hubicka  <jh@suse.cz>
9187
9188         PR c/12245
9189         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
9190         resizing.
9191
9192 2009-02-23  Jan Hubicka  <jh@suse.cz>
9193
9194         PR tree-optimization/37709
9195         * tree.c (block_ultimate_origin): Move here from dwarf2out.
9196         * tree.h (block_ultimate_origin): Declare.
9197         * dwarf2out.c (block_ultimate_origin): Move to tree.c
9198         * tree-ssa-live.c (remove_unused_scope_block_p):
9199         Eliminate blocks containig no instructions nor live variables nor
9200         nested blocks.
9201         (dump_scope_block): New function.
9202         (remove_unused_locals): Enable removal of dead blocks by default;
9203         enable dumping at TDF_DETAILS.
9204
9205 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9206
9207         * config/i386/i386.c (classify_argument): Don't allow COImode
9208         and OImode.
9209         (function_arg_advance_32): Don't allow OImode.
9210         (function_arg_32): Likewise.
9211         (function_value_32): Likewise.
9212         (return_in_memory_32): Likewise.
9213         (function_arg_64): Remove OImode comment.
9214
9215 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9216
9217         PR target/39261
9218         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
9219         ix86_expand_vector_set for V4DImode in 64bit mode only.
9220         (ix86_expand_vector_init_one_var): Likewise.
9221
9222 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
9223
9224         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
9225
9226 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9227
9228         PR bootstrap/39257
9229         * loop-iv.c: Revert last change.
9230         * emit-rtl.c: Likewise.
9231
9232 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9233
9234         PR target/39256
9235         * config/i386/i386.c (type_natural_mode): Remove an extra
9236         space in the warning message.
9237         (function_value_32): Handle 32-byte vector modes.
9238         (return_in_memory_32): Likewise.
9239
9240 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9241
9242         * loop-iv.c (truncate_value): New function.
9243         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
9244         of lowpart_subreg.
9245         (lowpart_subreg): Move to...
9246         * emit-rtl.c: ...here.
9247
9248 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
9249
9250         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
9251         accidental and undocumented change at revision 140860.
9252
9253 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
9254
9255         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
9256         take gimple_seq * arguments.
9257         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
9258         types_compatible_p langhook.
9259
9260 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
9261             Joseph Myers  <joseph@codesourcery.com>
9262
9263         * config/arm/arm.c (arm_builtin_va_list): New function.
9264         (arm_expand_builtin_va_start): Likewise.
9265         (arm_gimplify_va_arg_expr): Likewise.
9266         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
9267         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
9268         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
9269         (va_list_type): New variable.
9270         (arm_mangle_type): Mangle va_list_type appropriately.
9271
9272 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9273
9274         PR middle-end/39157
9275         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
9276         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
9277         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
9278         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
9279         parameter to 1000 for -O1 by default.
9280         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
9281         parameter.
9282         * loop-invariant.c: Include params.h.
9283         (move_loop_invariants): Don't call move_single_loop_invariants on
9284         very large loops.
9285
9286 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
9287
9288         * calls.c (emit_library_call_value_1): Use slot_offset instead of
9289         offset when calculating bounds for indexing stack_usage_map.  Fixes
9290         a buffer overflow with certain target setups.
9291
9292 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9293
9294         PR target/39240
9295         * calls.c (expand_call): Clear try_tail_call if caller and callee
9296         disagree in promotion of function return value.
9297
9298 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
9299
9300         PR target/39175
9301         * c-common.c (c_determine_visibility): If visibility changed and
9302         DECL_RTL has been already set, call make_decl_rtl to update symbol
9303         flags.
9304
9305 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
9306
9307         PR c++/39188
9308         * varasm.c (assemble_variable): Don't check DECL_NAME when
9309         globalizing a variable.
9310
9311 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
9312
9313         PR c/38483
9314         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
9315         expression before any __builtin_trap call.
9316         * c-typeck.c (build_function_call): Convert and check function
9317         arguments before generating a call to a trap.  Evaluate the
9318         function arguments before the trap.
9319
9320 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
9321
9322         PR target/39228
9323         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
9324         (UNSPEC_FXAM_MEM): New unspec.
9325         (fxam<mode>2_i387_with_temp): New insn and split pattern.
9326         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
9327         memory using fxam<mode>2_i387_with_temp to remove excess precision.
9328
9329 2009-02-19  Richard Guenther  <rguenther@suse.de>
9330
9331         PR tree-optimization/39207
9332         PR tree-optimization/39074
9333         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
9334         storedanything_tree): New.
9335         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
9336         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
9337         (build_succ_graph): Add edges from STOREDANYTHING to all
9338         non-direct nodes.
9339         (init_base_vars): Initialize STOREDANYTHING.
9340         (compute_points_to_sets): Free substitution info after
9341         building the succ graph.
9342         (ipa_pta_execute): Likewise.
9343
9344         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
9345         field.
9346         (do_ds_constraint): Do not add to special var or non-pointer
9347         field solutions.
9348         (type_could_have_pointers): Split out from ...
9349         (could_have_pointers): ... here.  For arrays use the element type.
9350         (create_variable_info_for): Initialize may_have_pointers.
9351         (new_var_info): Likewise.
9352         (handle_lhs_call): Make the HEAP variable unknown-sized.
9353         (intra_create_variable_infos): Use a type with pointers for
9354         PARM_NOALIAS, make it unknown-sized.
9355
9356 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
9357
9358         PR target/39224
9359         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
9360
9361 2009-02-18  Jason Merrill  <jason@redhat.com>
9362
9363         PR target/39179
9364         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
9365         value if DECL_EXTERNAL.
9366         * tree-sra.c (sra_walk_gimple_assign): Likewise.
9367         * target.h (gcc_target::binds_local_p): Clarify "module".
9368         * tree.h (TREE_PUBLIC): Clarify "module".
9369
9370 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
9371
9372         PR target/38891
9373         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
9374         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
9375
9376 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
9377
9378         PR target/39082
9379         * c.opt (Wabi): Support C and ObjC.
9380         (Wpsabi): New.
9381
9382         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
9383
9384         * config/i386/i386.c (classify_argument): Warn once about the ABI
9385         change when passing union with long double.
9386
9387         * doc/invoke.texi: Update -Wabi for warning psABI changes.
9388
9389 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
9390
9391         PR c/35447
9392         * c-parser.c (c_parser_compound_statement): Always enter and leave
9393         a scope.
9394
9395 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9396
9397         PR target/34587
9398         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
9399
9400 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
9401
9402         PR tree-optimization/36922
9403         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
9404         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
9405         Likewise.
9406
9407 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9408
9409         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
9410         to 0 for EABI64.
9411
9412 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9413
9414         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
9415
9416 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9417
9418         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
9419         tree sharing.
9420
9421 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
9422             Richard Sandiford  <rdsandiford@googlemail.com>
9423
9424         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
9425         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
9426         (loongson_biadd): ...this.
9427
9428 2009-02-17  Richard Guenther  <rguenther@suse.de>
9429
9430         PR tree-optimization/39202
9431         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
9432         a var make sure to follow existing collapses.
9433
9434 2009-02-17  Richard Guenther  <rguenther@suse.de>
9435
9436         PR middle-end/39214
9437         * langhooks.c (lhd_print_error_function): Check for NULL block.
9438
9439 2009-02-17  Richard Guenther  <rguenther@suse.de>
9440
9441         PR tree-optimization/39204
9442         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
9443         of the PHI arg.
9444
9445 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
9446
9447         * config/soft-fp/double.h: Update from glibc CVS.
9448
9449 2009-02-17  Richard Guenther  <rguenther@suse.de>
9450
9451         PR tree-optimization/39207
9452         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
9453         strict-aliasing warnings for pointers pointing to NULL.
9454
9455 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
9456
9457         PR c/35446
9458         * c-parser.c (c_parser_braced_init): Call pop_init_level when
9459         skipping until next close brace.
9460
9461 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
9462
9463         PR target/37049
9464         * config/i386/i386.c (ix86_expand_push): Set memory alignment
9465         to function argument boundary.
9466
9467 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9468
9469         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
9470         in the lea_add. Reload eventually constraints it properly.
9471         * config/picochip/constraints.md: Remove the target constraint
9472         "b", since it is not needed anymore.
9473
9474 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
9475
9476         * gthr-dce.h: Uglify function parameter and local variable names.
9477         * gthr-gnat.h: Likewise.
9478         * gthr-mipssde.h: Likewise.
9479         * gthr-nks.h: Likewise.
9480         * gthr-posix95.h: Likewise.
9481         * gthr-posix.h: Likewise.
9482         * gthr-rtems.h: Likewise.
9483         * gthr-single.h: Likewise.
9484         * gthr-solaris.h: Likewise.
9485         * gthr-tpf.h: Likewise.
9486         * gthr-vxworks.h: Likewise.
9487         * gthr-win32.h: Likewise.
9488
9489 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
9490
9491         PR target/39196
9492         * config/i386/i386.md: Restrict the new peephole2 to move
9493         between MMX/SSE registers.
9494
9495 2009-02-15  Richard Guenther  <rguenther@suse.de>
9496
9497         Revert
9498         2009-02-13  Richard Guenther  <rguenther@suse.de>
9499
9500         * configure.ac: Enable LFS.
9501         * configure: Re-generate.
9502         * config.in: Likewise.
9503
9504 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9505
9506         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
9507         spu_srqwbyte, spu_srqwbytebc): Define.
9508         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
9509         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
9510         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
9511         "shrqby_<mode>"): New insn-and-split patterns.
9512         * config/spu/spu.c (expand_builtin_args): Determine and return
9513         number of operands using spu_builtin_description data.
9514         (spu_expand_builtin_1): Use it.
9515
9516 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
9517
9518         PR target/38056
9519         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
9520         TARGET_CONST_GP.
9521
9522 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9523
9524         PR target/39149
9525         * config/i386/i386.c (override_options): Correct warning
9526         messages for -malign-loops, -malign-jumps and -malign-functions.
9527
9528 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9529
9530         PR target/39152
9531         * config/i386/i386.md: Restrict the new peephole2 to move
9532         between the general purpose registers.
9533
9534 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9535
9536         PR target/39162
9537         * config/i386/i386.c (type_natural_mode): Add a new argument.
9538         Return the original mode and warn ABI change if vector size is 32byte.
9539         (function_arg_advance): Updated.
9540         (function_arg): Likewise.
9541         (ix86_function_value): Likewise.
9542         (ix86_return_in_memory): Likewise.
9543         (ix86_sol10_return_in_memory): Likewise.
9544         (ix86_gimplify_va_arg): Likewise.
9545         (function_arg_32): Don't warn ABX ABI change here.
9546         (function_arg_64): Likewise.
9547
9548 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
9549
9550         * loop-iv.c (implies_p): In the final case, test that operands 0
9551         of the two comparisons match.
9552
9553         * config/bfin/bfin.c (find_prev_insn_start): New function.
9554         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
9555         (find_next_insn_start): Move.
9556
9557 2009-02-13  Richard Guenther  <rguenther@suse.de>
9558
9559         * configure.ac: Enable LFS.
9560         * configure: Re-generate.
9561         * config.in: Likewise.
9562
9563 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
9564
9565         PR c/35444
9566         * c-parser.c (c_parser_parms_list_declarator): Discard pending
9567         sizes on syntax error after some arguments have been parsed.
9568
9569 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
9570
9571         * doc/invoke.texi (-fira): Remove.
9572
9573 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9574
9575         * caller-save.c: Replace regclass.c with reginfo.c in comments.
9576         * recog.c: Likewise.
9577         * rtl.h: Likewise.
9578
9579 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
9580
9581         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
9582         (umul_ppmm): Likewise.
9583         (count_leading_zeros): Likewise.
9584         (count_trailing_zeros): Likewise.
9585         (UMUL_TIME): Likewise.
9586
9587 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9588
9589         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
9590         soft-fp/t-softfp to tmake_file.
9591
9592         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
9593         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
9594         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
9595         IA64_BUILTIN_INFQ]: New.
9596         (ia64_init_builtins): Initialize __builtin_infq,
9597         __builtin_fabsq and __builtin_copysignq if not HPUX.
9598         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
9599         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
9600
9601         * config/ia64/lib1funcs.asm (__divtf3): Define only if
9602         SHARED is defined.
9603         (__fixtfti): Likewise.
9604         (__fixunstfti): Likewise.
9605         (__floattitf): Likewise.
9606
9607         * config/ia64/libgcc-glibc.ver: New.
9608         * config/ia64/t-fprules-softfp: Likewise.
9609         * config/ia64/sfp-machine.h: Likewise.
9610
9611         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
9612         (LIBGCC2_TF_CEXT): Likewise.
9613         (TF_SIZE): Likewise.
9614         (TARGET_INIT_LIBFUNCS): Likewise.
9615
9616         * config/ia64/t-glibc (SHLINB_MAPFILES):
9617         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
9618
9619 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9620
9621         * config/i386/i386.c (construct_container): Rewrite processing
9622         BLKmode with X86_64_SSE_CLASS.
9623
9624 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
9625
9626         PR target/39152
9627         * config/i386/i386.md: Replace simplify_replace_rtx with
9628         replace_rtx in the new peephole2.
9629
9630 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
9631
9632         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
9633         loop unrolling do not happen at -O2.
9634
9635 2009-02-12  Michael Matz  <matz@suse.de>
9636
9637         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
9638
9639 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
9640
9641         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
9642         for -g3.
9643
9644 2009-02-12  Ben Elliston  <bje@au.ibm.com>
9645
9646         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
9647         patterns when updating the back chain.  Missed in the 2009-02-10
9648         change.
9649
9650 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
9651
9652         * doc/extend.texi (Decimal Floating Types): Update identifier of
9653         draft TR and list of missing support.
9654
9655 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
9656
9657         PR middle-end/39154
9658         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
9659         bit to variable length decl's flags, add it also to its
9660         pointer replacement variable.
9661
9662 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
9663             Jakub Jelinek  <jakub@redhat.com>
9664
9665         PR target/39118
9666         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
9667         (memory_blockage): New expander.
9668         (*memory_blockage): New insn pattern.
9669         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
9670         instead of general blockage at the end of function prologue when
9671         frame pointer is used to access red zone area.  Do not emit blockage
9672         when profiling, it is emitted in generic code.
9673         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
9674         function epilogue when frame pointer is used to access red zone area.
9675
9676 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
9677
9678         PR target/38824
9679         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
9680         by arithmetic with memory operands.
9681         * config/i386/predicates.md (commutative_operator): New.
9682
9683 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
9684
9685         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
9686         bulleted lists.
9687
9688 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
9689
9690         * alias.h (record_alias_subset): Declare.
9691         * alias.c (record_alias_subset): Make global.
9692
9693 2009-02-10  Nick Clifton  <nickc@redhat.com>
9694
9695         * tree-parloops.c: Change license to GPLv3.
9696         * ipa-struct-reorg.c: Change license to GPLv3.
9697         * ipa-struct-reorg.h: Change license to GPLv3.
9698
9699 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
9700
9701         PR c/39084
9702         * c-decl.c (start_struct): Return NULL on error.
9703
9704 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
9705
9706         PR middle-end/39124
9707         * cfgloopmanip.c (remove_path): Call remove_bbs after
9708         cancel_loop_tree, not before it.
9709
9710         PR target/39139
9711         * function.h (struct function): Add has_local_explicit_reg_vars bit.
9712         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
9713         VAR_DECLs were seen.
9714         * tree-ssa-live.c (remove_unused_locals): Recompute
9715         cfun->has_local_explicit_reg_vars.
9716         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
9717         copies or clearings if cfun->has_local_explicit_reg_vars.
9718
9719 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
9720
9721         PR target/39118
9722         * config/i386/i386.c (expand_prologue): Emit blockage at the end
9723         of function prologue when frame pointer is used to access
9724         red zone area.
9725
9726 2009-02-10  Richard Guenther  <rguenther@suse.de>
9727
9728         PR middle-end/39127
9729         * gimplify.c (gimple_regimplify_operands): Always look if
9730         we need to create a temporary.
9731
9732 2009-02-10  Richard Guenther  <rguenther@suse.de>
9733
9734         PR tree-optimization/39132
9735         * tree-loop-distribution.c (todo): New global var.
9736         (generate_memset_zero): Trigger TODO_rebuild_alias.
9737         (tree_loop_distribution): Return todo.
9738
9739 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
9740
9741         PR target/39119
9742         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
9743         (x86_64_reg_class_name): Removed.
9744         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
9745         first one isn't X86_64_SSE_CLASS or any other ones aren't
9746         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
9747         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
9748         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
9749         and 3 X86_64_SSEUP_CLASS.
9750         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
9751         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
9752
9753 2009-02-10  Ben Elliston  <bje@au.ibm.com>
9754
9755         * config/rs6000/rs6000.md (allocate_stack): Always use an update
9756         form instruction to update the stack back chain word, even if the
9757         user has disabled the generation of update instructions.
9758         (movdi_<mode>_update_stack): New.
9759         (movsi_update_stack): Likewise.
9760         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
9761         always use an update form instruction to update the stack back
9762         chain word.
9763
9764 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
9765
9766         PR middle-end/38953
9767         * graphite.c (if_region_set_false_region): After moving a region in
9768         the false branch of a condition, remove the empty dummy basic block.
9769         (gloog): Remove wrong fix for PR38953.
9770
9771 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9772
9773         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
9774         generation due to implicit sign extension.
9775
9776 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
9777
9778         PR middle-end/38981
9779         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
9780         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
9781
9782 2009-02-09  Richard Guenther  <rguenther@suse.de>
9783
9784         PR middle-end/35202
9785         * convert.c (convert_to_real): Disable (float)fn((double)x)
9786         to fnf(x) conversion if errno differences may occur and
9787         -fmath-errno is set.
9788
9789 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
9790
9791         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
9792         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9793         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9794
9795 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9796
9797         PR c/35434
9798         * c-common.c (handle_alias_attribute): Disallow attribute for
9799         anything not a FUNCTION_DECL or VAR_DECL.
9800
9801 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
9802
9803         PR c/39035
9804         * real.c (do_compare): Special-case compare of zero against
9805         decimal float value.
9806
9807 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9808
9809         PR c/36432
9810         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
9811         as indicating flexible array members unless the field itself is
9812         being declarared as the incomplete array.
9813
9814 2009-02-06  Jan Hubicka  <jh@suse.cz>
9815
9816         PR tree-optimization/38844
9817         * ipa-inline.c (try_inline): Stop inlining recursion when edge
9818         is already inlined.
9819
9820 2009-02-06  Richard Guenther  <rguenther@suse.de>
9821
9822         PR middle-end/38977
9823         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
9824         fork because we may expand it as __gcov_fork.
9825
9826 2009-02-06  Nick Clifton  <nickc@redhat.com>
9827
9828         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
9829
9830 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
9831
9832         PR tree-optimization/35659
9833         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
9834         vn_phi_eq): Shortcut if hashcode does not match.
9835         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
9836         NULL operands.
9837         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
9838         and avoid iterative_hash_expr.
9839         (FOR_EACH_VALUE_ID_IN_SET): New.
9840         (value_id_compare): Remove.
9841         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
9842         sort expressions by value id.
9843
9844 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
9845
9846         PR target/38991
9847         * config/sh/predicates.md (general_movsrc_operand): Don't check
9848         the subreg of system registers here.
9849
9850 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
9851
9852         PR c++/39106
9853         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
9854         on the copied decl.
9855
9856 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
9857
9858         PR rtl-optimization/39110
9859         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
9860         addresses, not aligned ones.
9861
9862 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
9863             Richard Guenther  <rguenther@suse.de>
9864
9865         PR tree-optimization/39100
9866         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
9867         comment says and add edges.
9868
9869 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
9870
9871         PR c/35435
9872         * c-common.c (handle_tls_model_attribute): Ignore attribute for
9873         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
9874
9875 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
9876
9877         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
9878         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
9879         register_bb_in_sese, new_sese, free_sese): Moved.
9880         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
9881         outermost_loop_in_scop, build_scop_iteration_domain,
9882         expand_scalar_variables_ssa_name, get_vdef_before_scop,
9883         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
9884         Use loop_in_sese_p instead of loop_in_scop_p.
9885         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
9886         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
9887         (scopdet_basic_block_info): Fix bug in scop detection.
9888         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
9889         eq_loop_to_cloog_loop): Remove.
9890         (nb_loops_around_loop_in_scop, nb_loop
9891         ref_nb_loops): Moved here...
9892         * graphite.h (ref_nb_loops): ... from here.
9893         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
9894         (loop_domain_dim, loop_iteration_vector_dim): Remove.
9895         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
9896         * testsuite/gcc.dg/graphite/scop-19.c: New
9897
9898 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
9899             Hans-Peter Nilsson  <hp@axis.com>
9900
9901         PR rtl-optimization/37889
9902         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
9903         Move offset handling from PLUS to before the switch.  Use new
9904         arguments when considering SYMBOL_REFs too.
9905         (rtx_addr_can_trap_p): Pass dummy offset and size.
9906         (enum may_trap_p_flags): Remove.
9907         (may_trap_p_1): Pass size from MEM_SIZE.
9908
9909         PR rtl-optimization/38921
9910         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
9911         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
9912         * rtlanal.c (may_trap_after_code_motion_p): Delete.
9913         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
9914
9915 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
9916
9917         AVX Programming Reference (January, 2009)
9918         * config/i386/sse.md (*vpclmulqdq): New.
9919
9920 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
9921
9922         PR tree-optimization/38977
9923         PR gcov-profile/38292
9924         * calls.c (special_function_p): Disregard __builtin_ prefix.
9925
9926 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
9927
9928         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
9929         non-indexable addresses even before reload.
9930
9931 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
9932
9933         PR c/29129
9934         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
9935         as having variable size.  Do not give an error for unnamed
9936         parameters with [*] declarators.  Give a warning for type names
9937         with [*] declarators and mark them as variable size.
9938         * c-parser.c (c_parser_sizeof_expression): Do not give an error
9939         for sizeof applied to [*] type names.
9940
9941 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9942
9943         PR C++/36607
9944         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
9945
9946 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
9947
9948         * gcc.c (process_command): Update copyright notice dates.
9949         * gcov.c (print_version): Likewise.
9950         * gcov-dump.c (print_version): Likewise.
9951         * mips-tfile.c (main): Likewise.
9952         * mips-tdump.c (main): Likewise.
9953
9954 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
9955
9956         PR c/35433
9957         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
9958         for composite type involving a zero-length array type.
9959
9960 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
9961
9962         PR target/35318
9963         * function.c (match_asm_constraints_1): Skip over
9964         initial optional % in the constraint.
9965
9966         PR inline-asm/39059
9967         * c-parser.c (c_parser_postfix_expression): If fixed point is not
9968         supported, don't accept FIXED_CSTs.
9969         * c-decl.c (finish_declspecs): Error if fixed point is not supported
9970         and _Sat is used without _Fract/_Accum.  Set specs->type to
9971         integer_type_node for cts_fract/cts_accum if fixed point is not
9972         supported.
9973
9974 2009-02-02  Catherine Moore  <clm@codesourcery.com>
9975
9976         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
9977
9978 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
9979
9980         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
9981         (ABI_HAS_64BIT_SYMBOLS): Use it.
9982         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
9983
9984 2009-02-02  Paul Brook  <paul@codesourcery.com>
9985
9986         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
9987
9988 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
9989
9990         PR inline-asm/39058
9991         * recog.h (asm_operand_ok): Add constraints argument.
9992         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
9993         recurse on matching constraint.
9994         (check_asm_operands): Pass constraints as 3rd argument to
9995         asm_operand_ok.  Don't look up matching constraint here.
9996         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
9997         to asm_operand_ok.
9998
9999 2009-02-02  Ben Elliston  <bje@au.ibm.com>
10000
10001         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
10002         TARGET_NARROW_VOLATILE_BITFIELD macro names.
10003
10004 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10005
10006         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
10007         information.  Remove some obsolete information.  Reorganize.
10008
10009         * config/pa/fptr.c: Revert license to GPL 2.
10010         * config/pa/milli64.S: Likewise.
10011
10012 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10013
10014         PR target/38904
10015         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
10016         LIBRARY name in, instead of hard-coding it.
10017         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
10018         extra target make frag to tmake_files according to EH model.
10019         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
10020         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
10021         frags that define makefile variable EH_MODEL appropriately.
10022         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
10023         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
10024         to "-sjlj" according to type of EH configured.
10025         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10026         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
10027         to "_sjlj" according to type of EH configured.
10028         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10029         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
10030         (SHLIB_LINK):  Add missing semicolon to if-else construct.
10031         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10032         string value of "pe_dll" command-line option.
10033         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
10034         (SHLIB_SONAME):  Use it when overriding t-cygming default.
10035         (SHLIB_IMPLIB):  Override t-cygming default.
10036         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10037         string value of "pe_dll" command-line option.
10038
10039 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10040
10041         PR target/38952
10042         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
10043         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
10044
10045 2009-01-31  Richard Guenther  <rguenther@suse.de>
10046
10047         PR tree-optimization/38937
10048         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
10049         computing the transitive closure.
10050
10051 2009-01-30  Richard Guenther  <rguenther@suse.de>
10052
10053         PR tree-optimization/39041
10054         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10055         Propagate variable indices only if the types match for this stmt.
10056
10057 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
10058
10059         PR target/39013
10060         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
10061         inline but never defined.
10062
10063 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
10064
10065         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
10066         (*insv_h_di_reg_extimm): New insn.
10067         (*insv_l<mode>_reg_extimm): New insn.
10068
10069 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10070
10071         * config/picochip/picochip.c (flag_conserve_stack): set
10072         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
10073         fconserve-stack. Reduce call-overhead used by inliner.
10074
10075 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10076
10077         PR/38157
10078         * common.opt (flag_conserve_stack): Initialised to zero.
10079
10080 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
10081
10082         PR/39002
10083         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
10084         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
10085         method.
10086
10087 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10088
10089         * ira-color.c (allocno_reload_assign): Update comments.
10090         * regmove.c (regmove_optimize): Likewise.
10091
10092         * ra.h: Removed.
10093
10094 2009-01-29  Robert Millan  <rmh@aybabtu.com>
10095
10096         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
10097         * config/i386/kopensolaris-gnu.h: New file.  Undefine
10098         `MD_UNWIND_SUPPORT'.
10099         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
10100
10101 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
10102
10103         PR tree-optimization/39007
10104         * tree-loop-distribution.c (generate_builtin): Use
10105         recompute_dominator to compute the immediate dominator of the
10106         basic block just after the loop.
10107
10108 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10109
10110         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
10111         (ASM_OUTPUT_DWARF_PCREL): Define.
10112
10113 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10114
10115         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
10116         * doc/passes.texi: Remove entries about regclass, local-alloc, and
10117         global.  Modify entries about regmove and IRA.
10118
10119         * ra-conflict.c: Remove the file.
10120
10121         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
10122
10123         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
10124         (pass_regclass_init): Rename to pass_reginfo_init.
10125
10126         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
10127
10128         * toplev.h (flag_ira): Remove.
10129
10130         * caller-save.c (setup_save_areas): Remove flag_ira.
10131
10132         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
10133
10134         * global.c: Remove the file.
10135
10136         * opts.c (decode_options): Remove flag_ira.
10137
10138         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
10139
10140         * regmove.c: Modify file description.
10141         (find_use_as_address, try_auto_increment): Define them only if
10142         AUTO_INC_DEC is defined.
10143         (replacement_quality, replace_in_call_usage, fixup_match_1,
10144         stable_and_no_regs_but_for_p): Remove.
10145         (reg_set_in_bb): Make it static.
10146         (regmove_optimize): Remove flag_ira and code which worked for
10147         !flag_ira.
10148
10149         * local-alloc.c: Remove the file.
10150
10151         * common.opt (fira): Remove.
10152
10153         * ira.c: Include except.h.
10154         (eliminable_regset): Move from global.c.
10155         (mark_elimination): Ditto.  Remove flag_ira.
10156         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
10157         equiv_mem_modified, validate_equiv_mem_from_store,
10158         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
10159         contains_replace_regs, memref_referenced_p, memref_used_between_p,
10160         no_equiv, recorded_label_ref): Move from local-alloc.c.
10161         (update_equiv_regs): Ditto.  Make it static.
10162         (print_insn_chain, print_insn_chains): Move it from global.c.
10163         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
10164         (build_insn_chain): Ditto.  Make it static.
10165         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
10166         Rename to init_live_subregs.
10167         (gate_ira): Remove flag_ira.
10168
10169         * regclass.c: Rename reginfo.c.  Change file description.
10170         (FORBIDDEN_INC_DEC_CLASSES): Remove.
10171         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
10172         (init_reg_sets_1): Remove code for evaluation of
10173         reg_class_superclasses and losing_caller_save_reg_set.
10174         (init_regs): Remove init_reg_autoinc.
10175         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
10176         ok_for_base_p_nonstrict): Remove.
10177         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
10178         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
10179         corresponding entries.
10180         (dump_regclass, record_operand_costs, scan_one_insn,
10181         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
10182         record_address_regs, auto_inc_dec_reg_p): Remove.
10183         (gt-regclass.h): Rename to gt-reginfo.h.
10184
10185         * rtl.h (dump_global_regs, retry_global_alloc,
10186         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
10187
10188         * Makefile.in (RA_H): Remove.
10189         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
10190         Rename regclass.o to reginfo.o.
10191         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
10192         gt-reginfo.h.
10193         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
10194         (GTFILES): Rename regclass.c to reginfo.c.
10195
10196         * passes.c (init_optimization_passes): Remove pass_local_alloc and
10197         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
10198
10199         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10200         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
10201         Remove flag_ira.
10202         (finish_spills): Ditto.  Remove code for !flag_ira.
10203
10204 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
10205
10206         PR middle-end/35854
10207         * doc/invoke.texi (rtl debug options): Complete rewrite.
10208         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
10209         to auto_inc_dec".
10210         * mode-switching.c (pass_mode_switching): Rename pass from
10211         "mode-sw" to "mode_sw".
10212         * except.c (pass_convert_to_eh_ranges): Rename pass from
10213         "eh-ranges" to "eh_ranges".
10214         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
10215         to "subreg1".
10216
10217
10218 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
10219             Alexander Monakov  <amonakov@ispras.ru>
10220
10221         PR middle-end/38857
10222         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
10223         register.
10224         (move_exprs_to_boundary): Change return type and pass through
10225         should_move from move_op.  Relax assert.  Update usage ...
10226         (schedule_expr_on_boundary): ... here.  Use should_move instead of
10227         cant_move.
10228         (move_op_orig_expr_found): Indicate that insn was disconnected from
10229         stream.
10230         (code_motion_process_successors): Do not call after_merge_succs
10231         callback if original expression was not found when traversing any of
10232         the branches.
10233         (code_motion_path_driver): Change return type.  Update prototype.
10234         (move_op): Update comment.  Add a new parameter (should_move).  Update
10235         prototype.  Set *should_move based on indication provided by
10236         move_op_orig_expr_found.
10237
10238 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10239
10240         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
10241         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
10242         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
10243         * config/rs6000/rs6000.c (rs6000_override_options): Default
10244         avoid-indexed-addresses on for Power6, off for everything else.
10245         (avoiding_indexed_address_p): New function.
10246         (rs6000_legitimize_address): Use it.
10247         (rs6000_legitimate_address): Likewise.
10248         * config/rs6000/rs6000.md (movXX_updateX): Likewise
10249
10250 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
10251
10252         PR tree-optimization/38997
10253         * tree-loop-distribution.c (generate_memset_zero): Use
10254         POINTER_PLUS_EXPR for a pointer addition.
10255
10256 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10257
10258         * config/s390/s390.md (bswap<mode>2): New pattern added.
10259
10260 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10261
10262         * config/s390/s390.md (*tls_load_31): Added type attribute.
10263
10264 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10265
10266         * config/s390/s390.md: Fix a few comments.
10267
10268 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10269
10270         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
10271         (*tm<mode>_full): Fixed z10prop attribute.
10272         (*tst<mode>_extimm): Fixed z10prop attribute.
10273         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
10274         (*tstqiCCT_cconly): Fixed z10prop attribute.
10275         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
10276         (*movsi_larl): Fixed z10prop attribute.
10277         (*movsi_zarch): Fixed z10prop attribute.
10278         (*movsi_eas): Fixed z10prop attribute.
10279         (*movhi): Fixed z10prop attribute.
10280         (*movqi): Fixed z10prop attribute.
10281         (*movstrictqi): Fixed z10prop attribute.
10282         (*mov<mode>): Fixed z10prop attribute.
10283         (*movcc): Fixed z10prop attribute.
10284         (*sethighpartdi_64): Fixed z10prop attribute.
10285         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
10286         (*negdi2_sign_cc): Fixed z10prop attribute.
10287         (*negdi2_sign): Fixed z10prop attribute.
10288         (*absdi2_sign_cc): Fixed z10prop attribute.
10289         (*absdi2_sign): Fixed z10prop attribute.
10290         (*negabsdi2_sign_cc): Fixed z10prop attribute.
10291         (*negabsdi2_sign): Fixed z10prop attribute.
10292         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
10293         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
10294         (doloop_si64): Fixed z10prop attribute.
10295         (doloop_si31): Fixed z10prop attribute.
10296         (doloop_long): Fixed z10prop attribute.
10297         (indirect_jump): Fixed z10prop attribute.
10298         (nop): Fixed z10prop attribute.
10299         (main_base_64): Fixed z10prop attribute.
10300         (reload_base_64): Fixed z10prop attribute.
10301
10302 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10303
10304         PR rtl-optimization/38740
10305         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
10306         if !optimize.
10307         * config/mips/mips.c (mips_reorg): Likewise.
10308
10309 2009-01-28  Richard Guenther  <rguenther@suse.de>
10310
10311         PR tree-optimization/38926
10312         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
10313         with the correct value id to a value.
10314         (do_regular_insertion): Use the value number of edoubleprime
10315         for the value number of the expr.
10316
10317         Revert
10318         2008-08-21  Richard Guenther  <rguenther@suse.de>
10319
10320         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
10321         a PHI ask VN if it is already available.
10322         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
10323         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
10324
10325 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10326
10327         PR middle-end/38934
10328         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
10329         set to varying whenever max has TREE_OVERFLOW set, similarly
10330         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
10331
10332 2009-01-28  Richard Guenther  <rguenther@suse.de>
10333
10334         PR middle-end/38908
10335         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
10336         uninitialized aggregate uses in call arguments.
10337
10338 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
10339
10340         PR tree-optimization/38984
10341         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
10342         the nothing_id variable if -fno-delete-null-pointer-checks.
10343
10344 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
10345
10346         PR target/38988
10347         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
10348         (set_got_offset_rex64): Ditto.
10349
10350 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
10351
10352         PR target/38941
10353         * doc/extend.texi: Improve local variable with asm reg.
10354
10355 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
10356
10357         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
10358         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
10359         was not supplied then set warn_packed_bitfield_compat to the
10360         default value of 1.
10361         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
10362         against 1.
10363
10364 2009-01-27  Richard Guenther  <rguenther@suse.de>
10365
10366         PR tree-optimization/38503
10367         * cfgexpand.c (expand_gimple_basic_block): Ignore
10368         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
10369         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
10370         variables that cannot have TBAA applied.
10371         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
10372         statements.
10373
10374 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
10375
10376         PR middle-end/38969
10377         * calls.c (initialize_argument_information): Do not wrap complex
10378         arguments in SAVE_EXPR.
10379
10380 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
10381
10382         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
10383         (INSTALL_LIBGCC): Revert typo commit.
10384
10385 2009-01-26  Richard Guenther  <rguenther@suse.de>
10386
10387         PR tree-optimization/38745
10388         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
10389         from special handling.
10390
10391 2009-01-26  Richard Guenther  <rguenther@suse.de>
10392
10393         PR tree-optimization/38745
10394         * tree-ssa.c (execute_update_addresses_taken): Do not include
10395         variables that cannot possibly be a register in not_reg_needs.
10396         Do not clear TREE_ADDRESSABLE on vars that may not become
10397         registers.
10398         * tree-ssa.c (update_alias_info_1): Include those in the set
10399         of addressable vars.
10400
10401 2009-01-26  Richard Guenther  <rguenther@suse.de>
10402
10403         PR middle-end/38851
10404         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
10405         * tree-ssa-dse.c: Include langhooks.h
10406         (execute_simple_dse): Remove stores with zero size.
10407
10408 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
10409
10410         PR c/38957
10411         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
10412         as PLUS_EXPR.
10413
10414 2009-01-24  Julian Brown  <julian@codesourcery.com>
10415
10416         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
10417         config/arm/linux-atomic.c.
10418         * config/arm/linux-atomic.c: New.
10419
10420 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
10421
10422         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
10423         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
10424         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
10425
10426 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
10427
10428         PR c/38938
10429         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
10430         properly.
10431
10432 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
10433
10434         PR tree-optimization/38953
10435         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
10436         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
10437         (gloog): Split the exit of the scop when the scop exit is a loop exit.
10438         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
10439         changed the CFG.
10440
10441 2009-01-24  Paul Brook  <paul@codesourcery.com>
10442
10443         * config/arm/neon.md (neon_type): Move to arm.md.
10444         (neon_mov<VSTRUCT>): Add neon_type attribute.
10445         * config/arm/arm.md (neon_type): Move to here.
10446         (conds): Add "unconditioal" and use as default for NEON insns.
10447
10448 2009-01-24  Ben Elliston  <bje@au.ibm.com>
10449
10450         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
10451         void *' warning from -Wc++-compat.
10452         * Makefile.in (dominance.o-warn): Remove.
10453
10454 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
10455
10456         PR tree-optimization/38932
10457         * fold-const.c (fold_unary_ignore_overflow): New.
10458         * tree.h (fold_unary_ignore_overflow): Declare.
10459         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
10460         * tree-ssa-sccvn.c (visit_reference_op_load,
10461         simplify_unary_expression): Likewise.
10462
10463 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
10464
10465         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
10466         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
10467         regardless of their type.
10468         * c-common.c (handle_packed_attribute): Don't ignore packed on
10469         bitfields.
10470         * c.opt (Wpacked-bitfield-compat): New warning option.
10471         * stor-layout.c (place_field): Warn if offset of a field changed.
10472         * doc/extend.texi (packed): Mention the ABI change.
10473         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
10474         (Warning Options): Add it to the list.
10475
10476 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
10477
10478         * c-opts.c (c_common_post_options): Fix a typo in comments.
10479
10480 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
10481
10482         PR middle-end/38615
10483         * gimplify.c (gimplify_init_constructor): Fix promotion of const
10484         variables to static.
10485         * doc/invoke.texi (-fmerge-all-constants): Update description.
10486
10487 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
10488
10489         PR target/38931
10490         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
10491         (*movdi_1_rex64): Use type "mmx" for alternative 5.
10492
10493 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
10494
10495         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
10496         a word boundary.
10497         (LOCAL_ALIGNMENT): Similarly.
10498
10499 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
10500             Joseph Myers  <joseph@codesourcery.com>
10501
10502         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
10503         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
10504         * config/arm/arm-tune.md: Regenerate.
10505         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
10506         -march=iwmmxt2.
10507
10508 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
10509
10510         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
10511         version number to five.
10512
10513 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
10514
10515         PR c++/38930
10516         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
10517         * c-common.c (set_underlying_type): Likewise.
10518         (is_typedef_decl ): Likewise
10519         * tree.h: Likewise
10520         (set_underlying_type): Likewise.
10521         (is_typedef_type): Likewise.
10522
10523 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
10524
10525         PR middle-end/38587
10526         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
10527         crossing setjmps.
10528
10529 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
10530
10531         PR bootstrap/37660
10532         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
10533         (LIBGCC_SPEC):  Don't define.
10534         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
10535
10536 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
10537
10538         PR rtl-optimization/38879
10539         * alias.c (base_alias_check): Unaligned access via AND address can
10540         alias all surrounding object types except those with sizes equal
10541         or wider than the size of unaligned access.
10542
10543 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
10544
10545         PR c++/26693
10546         * c-decl.c (clone_underlying_type): Move this ...
10547         * c-common.c (set_underlying_type): ... here.
10548         Also, make sure the function properly sets TYPE_STUB_DECL() on
10549         the newly created typedef variant type.
10550         (is_typedef_decl ): New entry point.
10551         * tree.h: Added a new member member_types_needing_access_check to
10552         struct tree_decl_non_common.
10553         (set_underlying_type): New entry point.
10554         (is_typedef_type): Likewise.
10555
10556 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
10557
10558         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
10559         Check whether two instructions have memory references that
10560         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
10561         are helper functions for traversing.
10562         * alias.h (insn_alias_sets_confilict_p): New prototypes.
10563         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
10564         not to draw dependency edge for instructions with non-conflicting
10565         alias sets.
10566
10567 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
10568
10569         PR other/38758
10570         * longlong.h: Update copyright years.  Use soft-fp license notice.
10571         Sync __clz_tab declaration with glibc.
10572
10573 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
10574
10575         PR target/30687
10576         * doc/extend.texi (syscall_linkage): New.
10577         (version_id): Modify.
10578
10579 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10580             Richard Guenther  <rguenther@suse.de>
10581
10582         PR tree-optimization/38747
10583         PR tree-optimization/38748
10584         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
10585         conversion if the base address is an indirect reference and the
10586         aliasing sets could cause issues.
10587
10588 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
10589
10590         * common.opt (fgraphite, fgraphite-identity): Add comment for
10591         explaining why these options are not documented.
10592
10593 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
10594
10595         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
10596         gimple_call_lhs is NULL.
10597
10598 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
10599
10600         PR target/38868
10601         * emit-rtl.c (adjust_address_1): Make sure memref is never
10602         overwritten.
10603
10604 2009-01-20  Ben Elliston  <bje@au.ibm.com>
10605
10606         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
10607         const qualifier from arg parameter. Remove unnecessary cast to char *.
10608         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
10609         const qualifier from arg 2.
10610
10611 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
10612
10613         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
10614
10615 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
10616
10617         PR c/38869
10618         * rtl.h (reinit_regs): New prototype.
10619         * regclass.c: Include ira.h.
10620         (reinit_regs): New.
10621         * Makefile.in (regclass.o): Add ira.h.
10622         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
10623
10624 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
10625
10626         PR target/38736
10627         * c-common.c (handle_aligned_attribute): Use
10628         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
10629         default alignment value.
10630
10631         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
10632
10633         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
10634         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
10635
10636         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
10637         __BIGGEST_ALIGNMENT__.
10638
10639         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
10640
10641 2009-01-18  Richard Guenther  <rguenther@suse.de>
10642
10643         PR tree-optimization/38819
10644         * tree-flow.h (operation_could_trap_helper_p): Declare.
10645         * tree-eh.c (operation_could_trap_helper_p): Export.
10646         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
10647         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
10648         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
10649         are about to insert a possibly trapping instruction and fail
10650         in this case.
10651
10652 2009-01-18  Andreas Schwab  <schwab@suse.de>
10653
10654         * doc/install.texi (Configuration): Remove obsolete paragraph
10655         about use of --with-gnu-ld with --with-gnu-as.
10656
10657 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
10658
10659         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
10660         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
10661         Follow spelling conventions.
10662
10663 2009-01-18  Ben Elliston  <bje@au.ibm.com>
10664
10665         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
10666         C++ warning about implicit conversion from void * to struct
10667         bitmap_head_def *.
10668         (bitmap_obstack_free): Likewise for bitmap_element *.
10669         * Makefile.in (bitmap.o-warn): Remove.
10670
10671 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
10672
10673         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
10674
10675 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
10676             Tobias Grosser  <tobi.grosser@amd.com>
10677
10678         * graphite.c (graphite_trans_scop_block): Do not block single
10679         nested loops.
10680
10681 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
10682
10683         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
10684         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
10685         test with assertion.
10686
10687 2009-01-16  Richard Guenther  <rguenther@suse.de>
10688
10689         PR tree-optimization/38835
10690         PR middle-end/36227
10691         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
10692         and INT + PTR -> (INT)(PTR p+ INT) folding.
10693         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
10694
10695 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
10696
10697         PR target/38554
10698         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
10699         the subreg from a lowpart subreg if it is also casting the value.
10700
10701 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10702             Tobias Grosser  <tobi.grosser@amd.com>
10703
10704         * graphite.c (compare_prefix_loops): New.
10705         (build_scop_canonical_schedules): Rewritten.
10706         (graphite_transform_loops): Move build_scop_canonical_schedules
10707         after build_scop_iteration_domain.
10708
10709 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10710             Tobias Grosser  <tobi.grosser@amd.com>
10711
10712         * graphite.c (add_conditions_to_domain): Add the loops to
10713         the dimension of the iteration domain.  Do copy the domain
10714         only when it exists.
10715         (build_scop_conditions_1): Do not call add_conditions_to_domain.
10716         (add_conditions_to_constraints): New.
10717         (can_generate_code_stmt, can_generate_code): Removed.
10718         (gloog): Do not call can_generate_code.
10719         (graphite_transform_loops): Call add_conditions_to_constraints
10720         after building the iteration domain.
10721
10722 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
10723
10724         PR tree-optimization/38789
10725         * tree-ssa-threadedge.c
10726         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
10727         __builtin_constant_p.
10728
10729 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
10730
10731         * dce.c (delete_unmarked_insns): Reversed the order that insns are
10732         examined before deleting them.
10733
10734 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
10735
10736         * function.c (aggregate_value_p): Correctly extract the function
10737         type from CALL_EXPR_FN lookup.
10738
10739 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10740
10741         * config/picochip/picochip.c (picochip_override_options): Revert
10742         CFI asm flag disable commited previously.
10743
10744 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
10745             Tobias Grosser  <tobi.grosser@amd.com>
10746             Jan Sjodin  <jan.sjodin@amd.com>
10747
10748         * graphite.c (scan_tree_for_params): On substractions negate
10749         all the coefficients of the term.
10750         (clast_to_gcc_expression_red): New.  Handle reduction expressions
10751         of more than two operands.
10752         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
10753         (get_vdef_before_scop): Handle also the case of default definitions.
10754
10755 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
10756
10757         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
10758         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
10759         Also use them when walking CALL_INSN_FUNCTION_USAGE.
10760
10761 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
10762             Joey Ye  <joey.ye@intel.com>
10763
10764         PR middle-end/37843
10765         * cfgexpand.c (expand_stack_alignment): Don't update stack
10766         boundary nor check incoming stack boundary here.
10767         (gimple_expand_cfg): Update stack boundary and check incoming
10768         stack boundary here.
10769
10770 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
10771
10772         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
10773
10774 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
10775
10776         PR rtl-optimization/38245
10777         * calls.c (expand_call): Add stack arguments to
10778         CALL_INSN_FUNCTION_USAGE even for pure calls (when
10779         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
10780         in regs and partially in memory or BLKmode arguments.
10781         (emit_library_call_value_1): Add stack arguments to
10782         CALL_INSN_FUNCTION_USAGE even for pure calls (when
10783         ACCUMULATE_OUTGOING_ARGS).
10784         * dce.c: Include tm_p.h.
10785         (find_call_stack_args): New function.
10786         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
10787         argument.
10788         (mark_insn): Call find_call_stack_args for CALL_Ps.
10789         (prescan_insns_for_dce): Walk insns backwards in bb rather than
10790         forwards.  Allocate and free arg_stores bitmap if needed, pass it
10791         down to deletable_insn_p, don't mark stores set in arg_stores
10792         bitmap, clear the bitmap at the beginning of each bb.
10793         * Makefile.in (dce.o): Depend on $(TM_P_H).
10794
10795 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
10796
10797         PR target/22599
10798         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
10799         to make sure the insn is a conditional test (bug 22599).  Reformat a
10800         few long lines.
10801
10802 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
10803
10804         PR middle-end/38431
10805         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
10806         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
10807         (gloog): Do not call cleanup_tree_cfg.
10808         (graphite_transform_loops): Call cleanup_tree_cfg after all
10809         scops have been code generated.
10810
10811 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
10812         * doc/gty.texi (Invoking the garbage collector): Added new node
10813         and section documenting ggc_collect.
10814
10815 2009-01-14  Richard Guenther  <rguenther@suse.de>
10816
10817         PR tree-optimization/38826
10818         PR middle-end/38477
10819         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
10820         initialization notes only if we actually emitted a warning.
10821         (intra_create_variable_infos): Add constraints for a result decl
10822         that is passed by hidden reference.
10823         (build_pred_graph): Mark all related variables non-direct on
10824         address-taking.
10825
10826 2009-01-14  Nick Clifton  <nickc@redhat.com>
10827
10828         * ira-conflicts.c: Include addresses.h for the definition of
10829         base_reg_class.
10830         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
10831         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
10832
10833 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
10834
10835         PR target/38811
10836         * Makefile.in (ira-lives.o): Add except.h.
10837
10838         * ira-lives.c: Include except.h.
10839         (process_bb_node_lives): Process can_throw_internal.
10840
10841 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
10842
10843         PR rtl-optimization/38774
10844         * combine.c (simplify_set): When undoing cc_use change, don't do
10845         PUT_CODE on the newly created comparison, but instead put back the
10846         old comparison.
10847
10848 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
10849
10850         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
10851         values.  Remove duplicate arm8 entry.
10852
10853 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10854
10855         PR tree-optimization/38786
10856         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
10857         the SSA_NAME case of expand_scalar_variables_expr.
10858         Set the type of an expression to the type of its assign statement.
10859         (expand_scalar_variables_expr): Also gather the scalar computation
10860         used to index the memory access.  Do not pass loop_p.
10861         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
10862         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
10863         the gimple_stmt_iterator where it inserts new code.
10864         Do not pass loop_p.
10865         (copy_bb_and_scalar_dependences): Do not pass loop_p.
10866         (translate_clast): Update call to copy_bb_and_scalar_dependences.
10867
10868 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10869
10870         * graphite.h (debug_value): Removed.
10871         * graphite.c (debug_value): Removed.
10872
10873 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10874
10875         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
10876         ldrd/strd with two 32-bit instructions.
10877
10878 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10879
10880         * config/arm/arm.c (struct processors): Pass for speed down into
10881         cost helper functions.
10882         (const_ok_for_op): Handle COMPARE and inequality nodes.
10883         (arm_rtx_costs_1): Rewrite.
10884         (arm_size_rtx_costs): Update prototype.
10885         (arm_rtx_costs): Pass speed down to helper functions.
10886         (arm_slowmul_rtx_costs): Rework cost calculations.
10887         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
10888         (arm_9e_rtx_costs): Likewise.
10889
10890 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
10891
10892         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
10893         relocations of local symbols wider than UNITS_PER_WORD are not valid.
10894         (alpha_legitimize_address): Do not split local symbols wider than
10895         UNITS_PER_WORD into HIGH/LO_SUM parts.
10896
10897 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
10898
10899         PR bootstrap/38580
10900         * gcc.c (process_command): Replace call to execvp with calls
10901         to pex_one and exit.
10902
10903 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
10904
10905         PR target/29141
10906         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
10907         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
10908         variant for devices with 3-byte PC.
10909         (__tablejump_elpm__): New.
10910
10911 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
10912
10913         PR c/32041
10914         * c-parser.c (c_parser_postfix_expression): Allow `->' in
10915         offsetof member-designator, handle it as `[0].'.
10916
10917 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10918
10919         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
10920         function when not using named sections on targets with named sections
10921         if branch distance is less than 262132.
10922
10923 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
10924
10925         * combine.c (combine_instructions):  Recompute
10926         optimize_this_for_speed_p  for each BB in the main combine loop.
10927
10928 2009-01-12  Tomas Bily  <tbily@suse.cz>
10929
10930         PR middlend/38385
10931         * tree-loop-distribution.c (prop_phis): New function.
10932         (generate_builtin): Call prop_phis.
10933         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
10934
10935 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
10936
10937         PR tree-optimization/38807
10938         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
10939         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
10940
10941 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
10942
10943         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
10944         subreg of op0 to the original op0.
10945
10946 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
10947
10948         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
10949
10950 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
10951
10952         PR debug/7055
10953         * mips-tfile.c (parse_def): Fix parsing of def strings
10954         starting with digits.
10955
10956 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
10957
10958         PR target/38695
10959         * config/arm/arm.c (arm_is_long_call_p): Don't call
10960         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
10961
10962 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
10963
10964         * regrename.c (regrename_optimize): Fix dumping.
10965         (find_oldest_value_reg): Preserve REG_POINTER.
10966         (copy_hardreg_forward_1): Likewise.
10967
10968 2009-01-09  Diego Novillo  <dnovillo@google.com>
10969
10970         * gimple.h (struct gimple_statement_base) <uid>: Document
10971         the restrictions on its use.
10972         (gimple_uid): Tidy.
10973         (gimple_set_uid): Tidy.
10974
10975 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
10976
10977         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
10978         zero guard even if align_bytes != 0 and count is smaller than
10979         size_needed.
10980
10981 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
10982
10983         PR rtl-optimization/38495
10984         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
10985         (add_range_and_copies_from_move_list): Print all added ranges.
10986         Add ranges to memory optimized destination.
10987
10988 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
10989
10990         PR target/38686
10991         PR target/38708
10992         * config/i386/i386.c (override_options): Reject
10993         -mstringop-strategy=rep_8byte with -m32.
10994         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
10995         to 1.  Do count comparison against epilogue_size_needed at compile
10996         time even when count_exp was constant forced into register.  For
10997         size_needed don't jump to epilogue, instead just avoid aligning
10998         and invoke the body algorithm.  If need_zero_guard, add zero guard
10999         even if count is non-zero, but smaller than size_needed + number of
11000         bytes that could be stored for alignment.
11001         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
11002         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
11003         but smaller than size_needed + number of bytes that could be stored
11004         for alignment.  Compare size_needed with epilogue_size_needed instead
11005         of desired_align - align, don't adjust size_needed, pass
11006         epilogue_size_needed to the epilogue expanders.
11007
11008         PR c/35742
11009         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
11010
11011 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11012
11013         * pa.c (last_address): Change to unsigned.
11014         (update_total_code_bytes): Change argument to unsigned.  Don't
11015         check if insn addresses are set.
11016         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
11017         addresses are not set.
11018         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
11019
11020 2009-01-09  Nick Clifton  <nickc@redhat.com>
11021
11022         * config/sh/symbian.c: Replace uses of DECL_INLINE with
11023         DECL_DECLARED_INLINE_P.
11024
11025 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11026
11027         PR middle-end/38347
11028         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
11029         GET_MODE (op0) in operand_subword_force calls.
11030
11031         PR middle-end/38771
11032         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
11033         fold_convert arg0 operands to TREE_TYPE (op0) first.
11034
11035 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
11036
11037         * params.def (ira-max-conflict-table-size): Decrease default value
11038         to 1000.
11039
11040 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
11041
11042         PR tree-optimization/37031
11043         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
11044         on parameter_set.
11045         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
11046         allocate it using gc instead of heap, use VEC_quick_push instead of
11047         VEC_safe_push.
11048         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
11049         instead of heap, use VEC_quick_push instead of VEC_safe_push.
11050         * tree-data-ref.h (struct access_matrix): Change matrix to gc
11051         allocated vector from heap allocated.
11052         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
11053         * tree-loop-linear.c (linear_transform_loops): Allocate nest
11054         vector only after perfect_loop_nest_depth call.
11055
11056 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
11057             Jan Sjodin  <jan.sjodin@amd.com>
11058
11059         PR tree-optimization/38559
11060         * graphite.c (debug_value, copy_constraint,
11061         swap_constraint_variables, scale_constraint_variable, ): New.
11062         (get_lower_bound, get_upper_bound): Removed.
11063         (graphite_trans_bb_strip_mine): Clean up this code that works
11064         only for constant number of iterations.  Fully copy upper and
11065         lower bound constraints, not only the constant part of them.
11066         * graphite.h (debug_value): Declared.
11067
11068 2009-01-08  Ira Rosen  <irar@il.ibm.com>
11069
11070         PR tree-optimization/37194
11071         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
11072         Don't add the cost of cost model guard in prologue to scalar
11073         outside cost in case of known number of iterations.
11074
11075 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11076             Alan Modra  <amodra@bigpond.net.au>
11077
11078         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
11079         non-word-aligned REG+CONST addressing.
11080
11081 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11082
11083         PR target/38706
11084         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
11085         free_after_compilation when outputting a thunk.
11086         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
11087         Do not call free_after_compilation here.
11088
11089 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11090
11091         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
11092         (ix86_valid_target_attribute_inner_p): Ditto.
11093
11094 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
11095
11096         PR tree-optimization/38492
11097         PR tree-optimization/38498
11098         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
11099         * tree-chrec.h (scev_is_linear_expression): Declared.
11100         * graphite.c (graphite_cannot_represent_loop_niter): New.
11101         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
11102         (graphite_loop_normal_form): Use gcc_assert.
11103         (scan_tree_for_params): Use CASE_CONVERT.
11104         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
11105         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
11106         Use gcc_assert.  Discard scops that contain unhandled cases.
11107         (build_scop_conditions): Return a boolean status for unhandled cases.
11108         (strip_mine_profitable_p): Print the loop number, not its depth.
11109         (is_interchange_valid): Pass the depth of the loop nest, don't
11110         recompute it wrongly.
11111         (graphite_trans_bb_block): Same.
11112         (graphite_trans_bb_block): Print tentative of loop blocking.
11113         (graphite_trans_scop_block): Do not print that the loop has been
11114         blocked.
11115         (graphite_transform_loops): Do not handle scops that contain condition
11116         scalar phi nodes.
11117
11118 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
11119
11120         AVX Programming Reference (December, 2008)
11121         * config/i386/avxintrin.h (_mm256_stream_si256): New.
11122         (_mm256_stream_pd): Likewise.
11123         (_mm256_stream_ps): Likewise.
11124
11125         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
11126         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
11127         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
11128         (bdesc_special_args): Add __builtin_ia32_movntdq256,
11129         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
11130         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
11131         (ix86_expand_special_args_builtin): Likewise.
11132
11133         * config/i386/sse.md (AVXMODEDI): New.
11134         (avx_movnt<mode>): Likewise.
11135         (avx_movnt<mode>): Likewise.
11136         (<sse>_movnt<mode>): Remove AVX support.
11137         (sse2_movntv2di): Likewise.
11138
11139 2009-01-07  Richard Guenther  <rguenther@suse.de>
11140
11141         PR middle-end/38751
11142         * fold-const.c (extract_muldiv): Remove obsolete comment.
11143         (fold_plusminus_mult_expr): Undo MINUS_EXPR
11144         to PLUS_EXPR canonicalization for the canonicalization.
11145
11146 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
11147
11148         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
11149         hosted cross-compilers generating less efficient code.
11150
11151 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11152
11153         * function.h (rtl_data): Add a dbr_scheduled_p field.
11154         * reorg.c (dbr_schedule): Set it.
11155         (gate_handle_delay_slots): Check it.
11156         * config/mips/mips.c (mips_base_delayed_branch): Delete.
11157         (mips_reorg): Check flag_delayed_branch instead of
11158         mips_base_delayed_branch.
11159         (mips_override_options): Don't set mips_base_delayed_branch
11160         or flag_delayed_branch.
11161
11162 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11163
11164         PR rtl-optimization/38426.
11165         * ira.c (ira): Set current_function_is_leaf earlier.
11166
11167 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
11168
11169         PR rtl-optimization/38722
11170         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
11171         too early, only set a flag and modify after last possible
11172         undo_all point.
11173
11174 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
11175
11176         PR c/34252
11177         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
11178         * real.c (decimal_single_format): Correct values of emin and emax.
11179         (decimal_double_format): Ditto.
11180         (decimal_quad_format): Ditto.
11181         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
11182         computation of DECnn_MIN and DECnn_MAX for corrected values of
11183         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
11184         __DECnn_MIN__, and adjust its computation for the corrected value
11185         of emin.
11186
11187 2009-01-06  Jan Hubicka  <jh@suse.cz>
11188
11189         PR target/38744
11190         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
11191
11192 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
11193
11194         * doc/contrib.texi (Contributors): Slightly adjust the end note.
11195         Add Robert Clark to the list of testers.
11196
11197 2009-01-06  Jan Hubicka  <jh@suse.cz>
11198             Kai Tietz  <kai.tietz@onevision.com>
11199
11200         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
11201         * config/i386/i386.c (ix86_expand_call): Add clobbers.
11202
11203 2009-01-06  Jan Hubicka  <jh@suse.cz>
11204             Kai Tietz  <kai.tietz@onevision.com>
11205
11206         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
11207         for w64 ABI.
11208         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
11209         (ix86_nsaved_regs): Count only general purpose regs.
11210         (ix86_nsaved_sseregs): New.
11211         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
11212         to 16 for w64; compute padding and size of sse reg save area.
11213         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
11214         general purpose regs.
11215         (ix86_emit_save_sse_regs_using_mov): New.
11216         (ix86_expand_prologue): Save SSE regs if needed.
11217         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
11218         (ix86_emit_restore_sse_regs_using_mov): New.
11219         (ix86_expand_epilogue): Save SSE regs if needed.
11220
11221 2009-01-06  Jan Hubicka  <jh@suse.cz>
11222             Kai Tietz  <kai.tietz@onevision.com>
11223
11224         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
11225         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
11226         functions when accumulate outgoing args is off.
11227
11228 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11229
11230         PR bootstrap/38742
11231         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
11232         before using pseudos_have_intersected_live_ranges_p.
11233
11234         * ira-int.h (ira_assert): Always define.
11235
11236 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11237
11238         AVX Programming Reference (December, 2008)
11239         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
11240         (_mm256_permute2_pd): Likewise.
11241         (_mm_permute2_ps): Likewise.
11242         (_mm256_permute2_ps): Likewise.
11243         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
11244         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
11245
11246         * config/i386/i386.c (ix86_builtins): Remove
11247         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
11248         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
11249         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
11250         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
11251         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
11252         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
11253         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
11254         __builtin_ia32_vpermil2ps256.
11255         (ix86_init_mmx_sse_builtins): Updated.
11256         (ix86_expand_args_builtin): Likewise.
11257
11258 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11259
11260         * pa.c (output_call): Relocate non-jump insns in the delay slot of
11261         long absolute calls when generating PA 2.0 code.
11262
11263 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
11264
11265         PR rtl-optimization/38583
11266         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
11267
11268         * params.def (ira-max-conflict-table-size): New.
11269
11270         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
11271
11272         * ira.h (ira_conflicts_p): New external definition.
11273
11274         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
11275         table.  Report this.  Return result of building.
11276         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
11277         building conflict table.
11278
11279         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
11280         (ira_color): Use ira_conflicts_p.
11281
11282         * global.c: Include ira.h.
11283         (pseudo_for_reload_consideration_p, build_insn_chain): Use
11284         ira_conflicts_p.
11285
11286         * Makefile.in (global.o): Add ira.h.
11287
11288         * ira-build.c (mark_all_loops_for_removal,
11289         propagate_some_info_from_allocno): New.
11290         (remove_unnecessary_allocnos): Call
11291         propagate_some_info_from_allocno.
11292         (remove_low_level_allocnos): New.
11293         (remove_unnecessary_regions): Add parameter.  Call
11294         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
11295         parameter to remove_unnecessary_regions.
11296         (ira_build): Remove all regions but root if the conflict table was
11297         not built.  Update conflict hard regs for allocnos crossing calls.
11298
11299         * ira.c (ira_conflicts_p): New global.
11300         (ira): Define and use ira_conflicts_p.
11301
11302         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11303         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
11304         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
11305
11306 2009-01-06  Ben Elliston  <bje@au.ibm.com>
11307
11308         * gengtype-lex.l (YY_NO_INPUT): Define.
11309
11310 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11311
11312         PR c/34911
11313         * c-common.c (handle_vector_size_attribute): Also reject
11314         BOOLEAN_TYPE types.
11315
11316 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
11317
11318         PR tree-optimization/38492
11319         * graphite.c (rename_map_elt, debug_rename_elt,
11320         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
11321         rename_map_elt_info, eq_rename_map_elts,
11322         get_new_name_from_old_name, bb_in_sese_p): Moved around.
11323         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
11324         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
11325         (sese_build_livein_liveouts): New.
11326         (new_sese, free_sese): New.
11327         (new_scop): Call new_sese.
11328         (free_scop): Call free_sese.
11329         (rename_variables_from_edge, rename_phis_end_scop): Removed.
11330         (register_old_new_names): Renamed register_old_and_new_names.
11331         (register_scop_liveout_renames, add_loop_exit_phis,
11332         insert_loop_close_phis, struct igp,
11333         default_liveout_before_guard, add_guard_exit_phis,
11334         insert_guard_phis, copy_renames): New.
11335         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
11336         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
11337         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
11338         (scop_adjust_phis_for_liveouts): New.
11339         (gloog): Call scop_adjust_phis_for_liveouts.
11340
11341         * graphite.h (struct sese): Documented.  Added fields liveout,
11342         num_ver and livein.
11343         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
11344         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
11345         (struct scop): Added field liveout_renames.
11346         (SCOP_LIVEOUT_RENAMES): New.
11347
11348 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11349
11350         PR tree-optimization/38510
11351         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
11352         (translate_clast): Call recompute_all_dominators before
11353         graphite_verify.
11354         (gloog): Call recompute_all_dominators before graphite_verify.
11355
11356 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11357             Jan Sjodin  <jan.sjodin@amd.com>
11358
11359         PR tree-optimization/38500
11360         * graphite.c (create_sese_edges): Call fix_loop_structure after
11361         splitting blocks.
11362
11363 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
11364
11365         * config.gcc: Add m32r*-*-rtems*.
11366         * config/m32r/rtems.h: New file.
11367
11368 2009-01-05  Ben Elliston  <bje@au.ibm.com>
11369
11370         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
11371         (.po.pox): Likewise.
11372         (po/gcc.pot): Likewise.
11373
11374 2009-01-04  David S. Miller  <davem@davemloft.net>
11375
11376         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
11377         (STARTING_FRAME_OFFSET): Always set to zero.
11378
11379 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11380
11381         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
11382         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
11383         fixed-point types, and vectors of the same.
11384
11385 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11386
11387         * config/mips/sync.md (*mb_barrier): Rename to...
11388         (*memory_barrier): ...this.
11389
11390 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
11391
11392         * doc/extend.texi (Function Attributes): Move @cindex after @item
11393         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
11394         and put in alphabetical order. Fix 'target' name and put in order.
11395         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
11396         typos.
11397
11398 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
11399
11400         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
11401         (memory_barrier): Expand as unspec instead of unspec_volatile.
11402         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11403         (*memory_barrier): Define as unspec instead of unspec_volatile.
11404         Use (match_dup 0) as input operand.
11405
11406         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
11407         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
11408         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
11409         scratch register.  Remove operand 1.
11410         (*stbar): Define as unspec instead of unspec_volatile.
11411         Use (match_dup 0) as input operand, remove (const_int 8).
11412         (*membar): Define as unspec instead of unspec_volatile.
11413         Use (match_dup 0) as input operand, remove input operand 2.
11414
11415         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
11416         (memory_barrier): Expand as unspec instead of unspec_volatile.
11417         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11418         (*memory_barrier): Define as unspec instead of unspec_volatile.
11419         Use (match_dup 0) as input operand.
11420
11421         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
11422         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11423         Set volatile flag on operand 0.
11424         (*memory_barrier): New insn pattern.
11425
11426         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
11427         insn operands.
11428         (*memory_barrier): Use (match_dup 0) as input operand.
11429
11430         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
11431         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11432         Set volatile flag on operand 0.
11433         (*mb_internal): New insn pattern.
11434
11435         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
11436
11437 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11438
11439         PR middle-end/38586
11440         * function.c (struct temp_slot): Move to the section of the file
11441         that deals with temp slots.  Remove field 'address'.
11442         (temp_slot_address_table): New hash table of address -> temp slot.
11443         (struct temp_slot_address_entry): New struct, items for the table.
11444         (temp_slot_address_compute_hash, temp_slot_address_hash,
11445         temp_slot_address_eq, insert_temp_slot_address): Support functions
11446         for the new table.
11447         (find_temp_slot_from_address): Rewrite to use the new hash table.
11448         (remove_unused_temp_slot_addresses): Remove addresses of temp
11449         slots that have been made available.
11450         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
11451         worker function for remove_unused_temp_slot_addresses.
11452         (assign_stack_temp_for_type): Don't clear the temp slot address list.
11453         Add the temp slot address to the address -> temp slot map.
11454         (update_temp_slot_address): Update via insert_temp_slot_address.
11455         (free_temp_slots): Call remove_unused_temp_slot_addresses.
11456         (pop_temp_slots): Likewise.
11457         (init_temp_slots): Allocate the address -> temp slot map, or empty
11458         the map if it is already allocated.
11459         (prepare_function_start): Initialize temp slot processing.
11460
11461 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11462
11463         PR middle-end/38584
11464         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
11465         Calculate the size of all stack vars assuming no packing of stack
11466         vars will happen, replacing a quadratic algorithm with a linear one.
11467
11468 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11469
11470         PR target/38707
11471         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
11472         can't be used.
11473
11474 2009-01-03  Diego Novillo  <dnovillo@google.com>
11475
11476         * doc/contrib.texi: Update contributions.
11477
11478 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11479
11480         PR c++/38705
11481         * builtins.c (fold_builtin_memory_op): Give up if either operand
11482         is volatile.  Set srctype or desttype to non-qualified version
11483         of the other type.
11484
11485         PR c/38700
11486         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
11487         and FUNCTION_DECLs.
11488
11489 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
11490
11491         PR rtl-optimization/35805
11492         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
11493         problem if fast dce is able to remove any instructions.
11494         * dce.c (dce_process_block): Fix dump message.
11495
11496 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
11497
11498         PR 33649
11499         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
11500
11501 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
11502
11503         PR middle-end/38690
11504         * tree-flow.h (op_code_prio, op_prio): New prototypes.
11505         * tree-pretty-print.c (op_code_prio): New function.
11506         (op_prio): No longer static.  Use op_code_prio.
11507         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
11508         Use op_prio and op_code_prio to determine if () should be
11509         printed around operand(s) or not.
11510
11511         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
11512         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
11513         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
11514         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
11515         pp_character instead of pp_string for single letter printing.
11516
11517 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
11518
11519         * doc/extend.texi: Fix '#pragma GCC option' typo.
11520
11521 2009-01-02  Richard Guenther  <rguenther@suse.de>
11522
11523         * doc/install.texi (--enable-checking): Mention different
11524         default for stage1.
11525         (--enable-stage1-checking): Document.
11526
11527 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
11528
11529         PR middle-end/30142
11530         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
11531         case to be an error.
11532
11533 2009-01-02  Ben Elliston  <bje@au.ibm.com>
11534
11535         * config/fp-bit.h (pack_d): Constify argument.
11536         * config/fp-bit.c (makenan): Constify return type. Remove casts.
11537         (isnan): Constify argument.
11538         (isinf): Likewise.
11539         (iszero): Likewise.
11540         (pack_d): Likewise.
11541         (_fpadd_parts): Constify return type.
11542         (_fpmul_parts): Likewise.
11543         (_fpdiv_parts): Likewise.
11544
11545 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
11546
11547         PR c/36489
11548         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
11549         warn about overwriting initializer with side-effects or
11550         -Woverride-init if !IMPLICIT.
11551         (output_init_element): Likewise.  Pass IMPLICIT down to
11552         add_pending_init.
11553         (process_init_element): Add IMPLICIT argument.  Pass it down
11554         to output_init_element.
11555         (push_init_element, pop_init_level, set_designator): Adjust
11556         process_init_element callers.
11557         (set_nonincremental_init, set_nonincremental_init_from_string):
11558         Adjust add_pending_init callers.
11559         (output_pending_init_elements): Adjust output_init_element callers.
11560         * c-tree.h (process_init_element): Adjust prototype.
11561         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
11562         process_init_element callers.
11563
11564 \f
11565 Copyright (C) 2009 Free Software Foundation, Inc.
11566
11567 Copying and distribution of this file, with or without modification,
11568 are permitted in any medium without royalty provided the copyright
11569 notice and this notice are preserved.