gcc/ChangeLog

   1 2007-10-07  Release Manager
   2
   3         * GCC 4.2.2 released.
   4
   5 2007-09-25  Jakub Jelinek  <jakub@redhat.com>
   6
   7         PR tree-optimization/32694
   8         2006-11-08  Roger Sayle  <roger@eyesopen.com>
   9         * tree-ssa-propagate.c (set_rhs): Verify tcc_comparison the same way
  10         as tcc_binary.
  11         * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
  12         the condition after calling fold_binary.
  13
  14 2007-09-24  Jakub Jelinek  <jakub@redhat.com>
  15
  16         PR debug/33316
  17         * dwarf2out.c (modified_type_die): Handle TYPE_DECL with NULL
  18         DECL_NAME.
  19         * dbxout.c (dbxout_type): Likewise.
  20
  21 2007-09-23  H.J. Lu  <hongjiu.lu@intel.com>
  22
  23         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
  24         * configure: Regenerated.
  25
  26 2007-09-23  Jakub Jelinek  <jakub@redhat.com>
  27
  28         * configure.ac (MAKEINFO): Handle makeinfo version 4.10 and above.
  29         * configure: Regenerated.
  30
  31 2007-09-13  H.J. Lu  <hongjiu.lu@intel.com>
  32
  33         PR bootstrap/33418
  34         * configure.ac (ld_vers): Support Linux linker.
  35         * configure: Regenerated.
  36
  37 2007-09-13  Seongbae Park <seongbae.park@gmail.com>
  38
  39         * common.opt (femit-class-debug-always): Turn off by default.
  40
  41 2007-09-12  Bob Wilson  <bob.wilson@acm.org>
  42
  43         * config/xtensa/xtensa.c (machine_function): Add vararg_a7_copy.
  44         (xtensa_copy_incoming_a7): Use start_sequence instead of
  45         push_to_sequence.  Stash insns in vararg_a7_copy for builtin_saveregs.
  46         (xtensa_builtin_saveregs): Place code from vararg_a7_copy at the start
  47         of the saveregs sequence.
  48
  49 2007-09-12  Richard Guenther  <rguenther@suse.de>
  50
  51         PR middle-end/33382
  52         * tree-ssa-structalias.c (get_constraint_for_component_ref):
  53         Note that accesses to a whole flexible array member may not lead
  54         to a subvariable.
  55
  56 2007-09-10  Bob Wilson  <bob.wilson@acm.org>
  57
  58         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
  59         for floating-point values if HOST_BITS_PER_LONG > 32.  Use
  60         split_double instead of operand_subword.
  61
  62 2007-09-10  Bob Wilson  <bob.wilson@acm.org>
  63
  64         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
  65         (subdi3, subdi_carry): Delete.
  66
  67 2007-09-07  Tobias Burnus  <burnus@net-b.de>
  68
  69         PR middle-end/33321
  70         * doc/invoke.texi: Fix -Wstrict-overflow= table.
  71
  72 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
  73
  74         PR target/33256
  75         * config/mips/mips.c (mips_classify_symbolic_expression): New function.
  76         (mips_classify_address): Use it instead of mips_symbolic_constant_p.
  77         (print_operand_reloc): Likewise.
  78
  79 2007-09-03  Anatoly Sokolov <aesok@post.ru>
  80
  81         PR target/28902
  82         * config/avr/avr.h (TARGET_VTABLE_ENTRY_ALIGN): Define.
  83
  84 2007-09-01  Nick Clifton  <nickc@redhat.com>
  85
  86         * COPYING3, COPYING3.LIB: New files.
  87         * tree-ssa-operands.h: Change copyright header to refer to version
  88         3 of the GNU General Public License and to point readers at the
  89         COPYING3 file and the FSF's license web page.
  90         * tree-vrp.c, regrename.c, attribs.c, loop-unswitch.c, sched-ebb.c,
  91         tree-loop-linear.c, dwarf2asm.c, tree-into-ssa.c, dwarf2asm.h,
  92         tree-ssa-loop-im.c, sbitmap.c, targhooks.c, tree-dump.c,
  93         tree-complex.c, sbitmap.h, targhooks.h, tree-dump.h, see.c,
  94         machmode.h, hooks.c, hooks.h, genrecog.c, tree-ssa-threadupdate.c,
  95         gen-protos.c, flags.h, rtlhooks.c, gencheck.c,
  96         tree-ssa-loop-niter.c, opts-common.c, tree-pretty-print.c, tracer.c,
  97         gengtype.c, mkconfig.sh, gengtype.h, tree-ssa-loop-unswitch.c,
  98         cgraph.c, c-lex.c, cgraph.h, libfuncs.h, cfgloopmanip.c,
  99         rtl-error.c, optabs.c, postreload-gcse.c, tree-ssa-loop-manip.c,
 100         optabs.h, genmddeps.c, defaults.h, postreload.c, value-prof.c,
 101         tree-ssa-loop-ch.c, tree-tailcall.c, gengenrtl.c, value-prof.h,
 102         genopinit.c, tree.c, tree.h, reload.c, tree-pass.h, ipa-cp.c,
 103         reload.h, bitmap.c, bitmap.h, tree-scalar-evolution.c,
 104         c-config-lang.in, tree-scalar-evolution.h, target.h, cppspec.c,
 105         rtlanal.c, ddg.c, lambda-mat.c, mips-tdump.c, ddg.h,tree-phinodes.c,
 106         mips-tfile.c, pointer-set.c, pointer-set.h, diagnostic.c, final.c,
 107         diagnostic.h, builtins.c, genoutput.c, gcc.c, lists.c, gcc.h,
 108         cfghooks.c, input.h, gensupport.c, fold-const.c, cfghooks.h,
 109         insn-notes.def, gensupport.h, builtin-attrs.def, sync-builtins.def,
 110         params.c, cfgloopanal.c, params.h, omp-low.c, tree-ssa-dse.c,
 111         gcov.c, cfg.c, genextract.c, ipa-reference.c, genautomata.c,
 112         tree-ssa-uncprop.c, toplev.c, tree-gimple.c, ipa-reference.h,
 113         vmsdbgout.c, errors.c, toplev.h, reorg.c, tree-gimple.h,
 114         tree-chrec.c, pretty-print.c, errors.h, real.c, tree-chrec.h,
 115         pretty-print.h, debug.c, real.h, genemit.c, c-cppbuiltin.c,
 116         genmultilib, debug.h, genconfig.c, cgraphunit.c, regs.h, df-scan.c,
 117         vec.c, hosthooks-def.h, vec.h, tree-ssa-copyrename.c, scan.c,
 118         builtin-types.def, tree-ssa-ccp.c, scan.h, mode-classes.def,
 119         haifa-sched.c, dominance.c, dojump.c, double-int.c, gcov-io.c,
 120         dbxout.c, builtins.def, double-int.h, dbxout.h,
 121         tree-ssa-loop-ivopts.c, df-core.c, mode-switching.c, gengtype-lex.l,
 122         tree-nomudflap.c, modulo-sched.c, c-objc-common.c, hosthooks.h,
 123         c-objc-common.h, caller-save.c, graph.c, ipa-pure-const.c, graph.h,
 124         c-format.c, cse.c, fix-header.c, c-format.h, web.c, tree-stdarg.c,
 125         genpeep.c, tree-stdarg.h, tree-ssa-math-opts.c, xcoffout.c,
 126         tree-ssa-dom.c, tree-nrv.c, xcoffout.h, tree-ssa-propagate.c,
 127         ipa-utils.c, tree-ssa-propagate.h, tree-ssa-alias.c, loop-init.c,
 128         ipa-utils.h, gimple-low.c, rtl.def, c-tree.h, tree-ssa-sink.c,
 129         ipa-inline.c, mkmap-symver.awk, machmode.def, c-pch.c, cfganal.c,
 130         global.c, alloc-pool.c, c-semantics.c, alloc-pool.h, jump.c,
 131         ifcvt.c, dwarf2out.c, expr.c, cfgbuild.c, tree-browser.c,
 132         dwarf2out.h, expr.h, longlong.h, opts.c, gcov-iov.c, opts.h,
 133         dwarf2.h, genattrtab.c, genconditions.c, genattr.c, optc-gen.awk,
 134         timevar.def, tree-ssa-loop-ivcanon.c, hard-reg-set.h, predict.c,
 135         tree-ssa-loop.c, host-default.c, predict.h, recog.c, recog.h,
 136         c-aux-info.c, tree-ssa-address.c, timevar.c, lcm.c, timevar.h,
 137         tree-vn.c, treestruct.def, fp-test.c, c-decl.c, tree-eh.c,
 138         c-errors.c, c-pretty-print.c, regmove.c, lambda-trans.c,
 139         c-pretty-print.h, et-forest.c, et-forest.h, local-alloc.c,
 140         function.c, langhooks.c, cppdefault.c, tree-vectorizer.c,
 141         function.h, langhooks.h, print-rtl.c, cppdefault.h, df.h,
 142         tree-vectorizer.h, sdbout.c, stor-layout.c, sdbout.h,
 143         rtlhooks-def.h, read-rtl.c, gcse.c, ipa-type-escape.c, vmsdbg.h,
 144         alias.c, ipa-type-escape.h, domwalk.c, alias.h, tree-if-conv.c,
 145         profile.c, domwalk.h, ipa.c, gccbug.in, tree-data-ref.c,
 146         loop-unroll.c, tree-data-ref.h, tree-flow-inline.h, mkmap-flat.awk,
 147         tree-vect-analyze.c, c.opt, ggc.h, opt-gather.awk, c-typeck.c,
 148         gimplify.c, coretypes.h, insn-addr.h, tree-ssa-phiopt.c, c-pragma.c,
 149         c-pragma.h, calls.c, genmodes.c, loop-doloop.c, predict.def,
 150         dwarf.h, tree.def, rtl-factoring.c, expmed.c, bt-load.c,
 151         ggc-common.c, genflags.c, tree-dfa.c, except.c, coverage.c,
 152         except.h, emit-rtl.c, cfgexpand.c, coverage.h, stringpool.c,
 153         cselib.c, emit-rtl.h, tree-cfgcleanup.c, c-opts.c, cselib.h,
 154         cfgcleanup.c, simplify-rtx.c, tree-ssa-pre.c, explow.c,
 155         tree-ssa-live.c, tree-sra.c, tree-ssa-live.h, loop-invariant.c,
 156         genpreds.c, protoize.c, opth-gen.awk, c-dump.c, lambda.h, loop-iv.c,
 157         tree-mudflap.c, ipa-prop.c, print-tree.c, tree-mudflap.h,
 158         tree-ssa-copy.c, ipa-prop.h, cfglayout.c, tree-ssa-forwprop.c,
 159         c-convert.c, cfglayout.h, common.opt, ggc-zone.c, ggc-page.c,
 160         c-omp.c, tree-ssa-dce.c, gencodes.c, varasm.c, tree-vect-patterns.c,
 161         libada-mk.in, sched-deps.c, tree-nested.c, c-ppoutput.c, tree-ssa.c,
 162         target-def.h, tree-ssa-loop-prefetch.c, lambda-code.c,
 163         omp-builtins.def, rtl.c, regclass.c, stab.def, intl.c, rtl.h,
 164         intl.h, tree-inline.c, conditions.h, tree-inline.h, integrate.c,
 165         sched-int.h, tree-iterator.c, integrate.h, tree-iterator.h,
 166         genchecksum.c, tree-optimize.c, output.h, tree-vect-transform.c,
 167         tree-object-size.c, combine.c, tree-outof-ssa.c, addresses.h,
 168         bb-reorder.c, resource.c, var-tracking.c, cfgloop.c, system.h,
 169         resource.h, ggc-none.c, tree-profile.c, cfgloop.h, c-gimplify.c,
 170         c-common.c, opt-functions.awk, tree-vect-generic.c, tree-flow.h,
 171         df-problems.c, scan-decls.c, c-common.h, config.gcc, reg-stack.c,
 172         tlink.c, main.c, stub-objc.c, fixproto, config.host, Makefile.in,
 173         gccspec.c, sched-rgn.c, vecprim.h, basic-block.h,
 174         tree-ssa-structalias.c, tree-ssa-structalias.h, c-common.def,
 175         sched-vis.c, tree-cfg.c, passes.c, genconstants.c, c-incpath.c,
 176         c-incpath.h, struct-equiv.c, c-parser.c, tree-ssa-reassoc.c,
 177         varray.c, sreal.c, varray.h, dfp.c, sreal.h, dfp.h, flow.c,
 178         conflict.c reg-notes.def, cfgrtl.c, config.build, gengtype-yacc.y,
 179         stmt.c, tree-browser.def, prefix.c, statistics.h, params.def,
 180         c-lang.c, gcov-dump.c, prefix.h, tree-ssanames.c, collect2.c,
 181         collect2.h, tree-ssa-threadedge.c, convert.c, convert.h,
 182         langhooks-def.h, reload1.c, tree-ssa-operands.c: Likewise.
 183
 184 2007-09-01  Nick Clifton  <nickc@redhat.com>
 185
 186         * host-hpux.c: Change copyright header to refer to version 3 of
 187         the GNU General Public License and to point readers at the
 188         COPYING3 file and the FSF's license web page.
 189         * alpha/predicates.md, alpha/vms-ld.c, alpha/linux.h,
 190         alpha/alpha.opt, alpha/linux-elf.h, alpha/vms.h, alpha/elf.h,
 191         alpha/vms-unwind.h, alpha/ev4.md, alpha/ev6.md, alpha/alpha.c,
 192         alpha/vms-cc.c, alpha/alpha.h, alpha/sync.md, alpha/openbsd.h,
 193         alpha/alpha.md, alpha/alpha-modes.def, alpha/ev5.md,
 194         alpha/alpha-protos.h, alpha/freebsd.h, alpha/osf5.h,
 195         alpha/netbsd.h, alpha/vms64.h, alpha/constraints.md, alpha/osf.h,
 196         alpha/xm-vms.h, alpha/unicosmk.h, linux.h, frv/predicates.md,
 197         frv/frv.h, frv/linux.h, frv/frv.md, frv/frv.opt,
 198         frv/frv-modes.def, frv/frv-asm.h, frv/frv-protos.h, frv/frv-abi.h,
 199         frv/frv.c, s390/tpf.h, s390/s390.c, s390/predicates.md,
 200         s390/s390.h, s390/linux.h, s390/tpf.md, s390/tpf.opt,
 201         s390/2064.md, s390/2084.md, s390/s390.md, s390/s390.opt,
 202         s390/s390-modes.def, s390/fixdfdi.h, s390/constraints.md,
 203         s390/s390-protos.h, s390/s390x.h, elfos.h, dbxcoff.h,
 204         m32c/predicates.md, m32c/cond.md, m32c/m32c.c, m32c/minmax.md,
 205         m32c/blkmov.md, m32c/m32c-pragma.c, m32c/m32c.h, m32c/prologue.md,
 206         m32c/m32c.abi, m32c/muldiv.md, m32c/bitops.md, m32c/mov.md,
 207         m32c/addsub.md, m32c/m32c.md, m32c/m32c.opt, m32c/t-m32c,
 208         m32c/m32c-modes.def, m32c/jump.md, m32c/shift.md,
 209         m32c/m32c-protos.h, libgloss.h, interix.h, sparc/hypersparc.md,
 210         sparc/predicates.md, sparc/linux.h, sparc/sp64-elf.h,
 211         sparc/supersparc.md, sparc/cypress.md, sparc/openbsd1-64.h,
 212         sparc/openbsd64.h, sparc/niagara.md, sparc/sparc.md,
 213         sparc/long-double-switch.opt, sparc/ultra3.md, sparc/sparc.opt,
 214         sparc/sync.md, sparc/sp-elf.h, sparc/sparc-protos.h,
 215         sparc/ultra1_2.md, sparc/biarch64.h, sparc/sparc.c,
 216         sparc/little-endian.opt, sparc/sysv4-only.h, sparc/sparc.h,
 217         sparc/linux64.h, sparc/freebsd.h, sparc/sol2.h, sparc/rtemself.h,
 218         sparc/netbsd-elf.h, sparc/sparc-modes.def, sparc/sparclet.md,
 219         sparc/sysv4.h, vx-common.h, netbsd-aout.h, m32r/m32r.md,
 220         m32r/predicates.md, m32r/little.h, m32r/m32r.c, m32r/m32r.opt,
 221         m32r/linux.h, m32r/m32r.h, m32r/m32r-protos.h, vxworks.opt,
 222         darwin-c.c, darwin.opt, i386/i386.h, i386/cygming.h, i386/linux.h,
 223         i386/cygwin.h, i386/i386.md, i386/netware-crt0.c, i386/sco5.h,
 224         i386/mmx.md, i386/kaos-i386.h, i386/winnt-stubs.c,
 225         i386/netbsd64.h, i386/djgpp.h, i386/gas.h, i386/sol2.h,
 226         i386/constraints.md, i386/netware-libgcc.c, i386/sysv5.h,
 227         i386/predicates.md, i386/x86-64.h, i386/kfreebsd-gnu.h,
 228         i386/freebsd64.h, i386/vxworksae.h, i386/pentium.md, i386/lynx.h,
 229         i386/i386elf.h, i386/rtemself.h, i386/netbsd-elf.h, i386/ppro.md,
 230         i386/k6.md, i386/netware.c, i386/netware.h, i386/i386-modes.def,
 231         i386/sysv4-cpp.h, i386/i386-interix.h, i386/cygwin1.c,
 232         i386/djgpp.opt, i386/uwin.h, i386/unix.h, i386/ptx4-i.h,
 233         i386/xm-djgpp.h, i386/att.h, i386/winnt.c, i386/beos-elf.h,
 234         i386/sol2-10.h, i386/darwin64.h, i386/sse.md, i386/i386.opt,
 235         i386/bsd.h, i386/cygming.opt, i386/xm-mingw32.h, i386/linux64.h,
 236         i386/openbsdelf.h, i386/xm-cygwin.h, i386/sco5.opt, i386/darwin.h,
 237         i386/mingw32.h, i386/winnt-cxx.c, i386/i386-interix3.h,
 238         i386/nwld.c, i386/nwld.h, i386/host-cygwin.c, i386/cygwin2.c,
 239         i386/i386-protos.h, i386/sync.md, i386/openbsd.h,
 240         i386/host-mingw32.c, i386/i386-aout.h, i386/nto.h,
 241         i386/biarch64.h, i386/i386-coff.h, i386/freebsd.h,
 242         i386/driver-i386.c, i386/knetbsd-gnu.h, i386/host-i386-darwin.c,
 243         i386/vxworks.h, i386/crtdll.h, i386/i386.c, i386/sysv4.h,
 244         darwin-protos.h, linux.opt, sol2.c, sol2.h, sh/symbian.c,
 245         sh/sh-protos.h, sh/linux.h, sh/elf.h, sh/superh.h, sh/sh4.md,
 246         sh/coff.h, sh/newlib.h, sh/embed-elf.h, sh/symbian-pre.h,
 247         sh/rtems.h, sh/kaos-sh.h, sh/sh4a.md, sh/sh64.h, sh/sh.opt,
 248         sh/symbian-post.h, sh/sh-c.c, sh/predicates.md, sh/sh.c, sh/sh.h,
 249         sh/shmedia.md, sh/sh-modes.def, sh/little.h, sh/sh1.md,
 250         sh/superh64.h, sh/rtemself.h, sh/netbsd-elf.h, sh/sh.md,
 251         sh/vxworks.h, usegas.h, svr3.h, pdp11/pdp11-protos.h,
 252         pdp11/2bsd.h, pdp11/pdp11.md, pdp11/pdp11.c, pdp11/pdp11.opt,
 253         pdp11/pdp11-modes.def, pdp11/pdp11.h, avr/rtems.h,
 254         avr/avr-protos.h, avr/predicates.md, avr/constraints.md,
 255         avr/avr.md, avr/avr.c, avr/avr.opt, avr/avr.h, sol2-protos.h,
 256         dbxelf.h, lynx.opt, crx/crx.h, crx/crx-protos.h, crx/crx.md,
 257         crx/crx.c, crx/crx.opt, c4x/c4x-c.c, c4x/c4x.c, c4x/c4x.opt,
 258         c4x/c4x-modes.def, c4x/rtems.h, c4x/predicates.md, c4x/c4x.h,
 259         c4x/c4x-protos.h, c4x/c4x.md, kfreebsd-gnu.h,
 260         xtensa/predicates.md, xtensa/xtensa.c, xtensa/linux.h,
 261         xtensa/xtensa.h, xtensa/elf.h, xtensa/xtensa.md,
 262         xtensa/xtensa.opt, xtensa/xtensa-protos.h, dbx.h,
 263         stormy16/predicates.md, stormy16/stormy16.md, stormy16/stormy16.c,
 264         stormy16/stormy16.opt, stormy16/stormy16.h,
 265         stormy16/stormy16-protos.h, host-solaris.c, fr30/fr30.h,
 266         fr30/predicates.md, fr30/fr30-protos.h, fr30/fr30.md, fr30/fr30.c,
 267         fr30/fr30.opt, vxworksae.h, sol2-c.c, lynx.h,
 268         m68hc11/m68hc11-protos.h, m68hc11/predicates.md,
 269         m68hc11/m68hc11.md, m68hc11/m68hc11.c, m68hc11/m68hc11.opt,
 270         m68hc11/m68hc11.h, m68hc11/m68hc12.h, openbsd-oldgas.h,
 271         host-linux.c, interix3.h, cris/cris.c, cris/predicates.md,
 272         cris/linux.h, cris/cris.h, cris/aout.h, cris/cris.md,
 273         cris/linux.opt, cris/cris.opt, cris/elf.opt, cris/aout.opt,
 274         cris/cris-protos.h, netbsd.h, netbsd-elf.h, iq2000/iq2000.h,
 275         iq2000/predicates.md, iq2000/iq2000-protos.h, iq2000/iq2000.md,
 276         iq2000/iq2000.c, iq2000/iq2000.opt, host-darwin.c, mt/mt.md,
 277         mt/mt.c, mt/mt.opt, mt/t-mt, mt/mt.h, mt/mt-protos.h, svr4.h,
 278         host-darwin.h, chorus.h, mn10300/mn10300.c, mn10300/mn10300.opt,
 279         mn10300/predicates.md, mn10300/mn10300.h, mn10300/linux.h,
 280         mn10300/mn10300-protos.h, mn10300/mn10300.md, ia64/predicates.md,
 281         ia64/itanium1.md, ia64/unwind-ia64.h, ia64/ia64-c.c, ia64/sync.md,
 282         ia64/ia64.c, ia64/itanium2.md, ia64/ia64.h, ia64/vect.md,
 283         ia64/freebsd.h, ia64/ia64.md, ia64/ia64-modes.def, ia64/hpux.h,
 284         ia64/ia64-protos.h, windiss.h, gofast.h, rtems.h, sol2-10.h,
 285         m68k/predicates.md, m68k/m68k.md, m68k/linux.h,
 286         m68k/m68k-modes.def, m68k/m68k-protos.h, m68k/coff.h,
 287         m68k/m68k-none.h, m68k/ieee.opt, m68k/openbsd.h, m68k/m68k-aout.h,
 288         m68k/m68k.opt, m68k/m68020-elf.h, m68k/m68kelf.h, m68k/m68k.c,
 289         m68k/rtemself.h, m68k/netbsd-elf.h, m68k/m68k.h, m68k/uclinux.h,
 290         rs6000/power4.md, rs6000/host-darwin.c, rs6000/6xx.md,
 291         rs6000/linux.h, rs6000/eabi.h, rs6000/aix41.opt, rs6000/xcoff.h,
 292         rs6000/secureplt.h, rs6000/linuxspe.h, rs6000/eabialtivec.h,
 293         rs6000/8540.md, rs6000/darwin8.h, rs6000/kaos-ppc.h,
 294         rs6000/windiss.h, rs6000/603.md, rs6000/aix41.h, rs6000/mpc.md,
 295         rs6000/aix43.h, rs6000/beos.h, rs6000/gnu.h, rs6000/rtems.h,
 296         rs6000/aix.opt, rs6000/darwin.md, rs6000/darwin64.h,
 297         rs6000/default64.h, rs6000/7xx.md, rs6000/darwin.opt,
 298         rs6000/spe.md, rs6000/rs6000.opt, rs6000/rs6000-c.c,
 299         rs6000/rios2.md, rs6000/linuxaltivec.h, rs6000/7450.md,
 300         rs6000/linux64.h, rs6000/constraints.md, rs6000/440.md,
 301         rs6000/darwin.h, rs6000/host-ppc64-darwin.c, rs6000/rs6000.c,
 302         rs6000/aix52.h, rs6000/rs6000.h, rs6000/predicates.md,
 303         rs6000/altivec.md, rs6000/aix64.opt, rs6000/rios1.md,
 304         rs6000/rs6000-modes.def, rs6000/rs64.md, rs6000/eabisim.h,
 305         rs6000/sysv4le.h, rs6000/darwin7.h, rs6000/linux64.opt,
 306         rs6000/sync.md, rs6000/vxworksae.h, rs6000/power5.md,
 307         rs6000/lynx.h, rs6000/biarch64.h, rs6000/rs6000.md,
 308         rs6000/sysv4.opt, rs6000/eabispe.h, rs6000/freebsd.h,
 309         rs6000/rs6000-protos.h, rs6000/netbsd.h, rs6000/e500-double.h,
 310         rs6000/aix.h, rs6000/vxworks.h, rs6000/40x.md, rs6000/aix51.h,
 311         rs6000/sysv4.h, arc/arc-protos.h, arc/arc.md, arc/arc.c,
 312         arc/arc.opt, arc/arc-modes.def, arc/arc.h, mcore/mcore-elf.h,
 313         mcore/mcore-protos.h, mcore/predicates.md, mcore/mcore.md,
 314         mcore/mcore.c, mcore/mcore.opt, mcore/mcore.h, mcore/mcore-pe.h,
 315         darwin.c, freebsd-nthr.h, score/predicates.md,
 316         score/score-version.h, score/score-protos.h, score/misc.md,
 317         score/elf.h, score/score.c, score/mac.md, score/score7.md,
 318         score/score.h, score/score-conv.h, score/score-mdaux.c,
 319         score/score.md, score/score.opt, score/score-modes.def,
 320         score/score-mdaux.h, score/mul-div.S, arm/uclinux-elf.h,
 321         arm/semi.h, arm/ecos-elf.h, arm/arm1020e.md, arm/symbian.h,
 322         arm/linux-elf.h, arm/arm1026ejs.md, arm/arm1136jfs.md, arm/elf.h,
 323         arm/aout.h, arm/arm.c, arm/coff.h, arm/strongarm-pe.h, arm/arm.h,
 324         arm/semiaof.h, arm/arm-modes.def, arm/linux-eabi.h,
 325         arm/rtems-elf.h, arm/arm-cores.def, arm/arm-protos.h, arm/vfp.md,
 326         arm/aof.h, arm/linux-gas.h, arm/wince-pe.h, arm/constraints.md,
 327         arm/xscale-elf.h, arm/strongarm-coff.h, arm/arm.opt,
 328         arm/arm926ejs.md, arm/predicates.md, arm/iwmmxt.md,
 329         arm/unknown-elf.h, arm/kaos-arm.h, arm/bpabi.h, arm/pe.opt,
 330         arm/arm.md, arm/xscale-coff.h, arm/pe.c, arm/arm-generic.md,
 331         arm/pe.h, arm/kaos-strongarm.h, arm/freebsd.h, arm/netbsd.h,
 332         arm/fpa.md, arm/strongarm-elf.h, arm/cirrus.md, arm/netbsd-elf.h,
 333         arm/vxworks.h, kaos.h, pa/predicates.md, pa/pa64-hpux.h,
 334         pa/pa-hpux.opt, pa/som.h, pa/pa-hpux1010.opt, pa/pa-hpux1111.opt,
 335         pa/pa-pro-end.h, pa/elf.h, pa/fptr.c, pa/pa64-linux.h, pa/pa.md,
 336         pa/pa.opt, pa/pa-hpux.h, pa/pa-hpux10.h, pa/pa-hpux11.h,
 337         pa/pa-hpux1010.h, pa/pa-protos.h, pa/pa-osf.h, pa/pa-hpux1111.h,
 338         pa/pa-64.h, pa/milli64.S, pa/pa.c, pa/pa-linux.h, pa/pa.h,
 339         pa/pa32-linux.h, pa/pa64-hpux.opt, pa/pa64-regs.h,
 340         pa/pa-modes.def, darwin9.h, mips/4100.md, mips/linux.h,
 341         mips/elf.h, mips/sdb.h, mips/windiss.h, mips/rtems.h,
 342         mips/3000.md, mips/iris5.h, mips/5000.md, mips/7000.md,
 343         mips/9000.md, mips/4600.md, mips/linux64.h, mips/elforion.h,
 344         mips/constraints.md, mips/generic.md, mips/predicates.md,
 345         mips/4300.md,mips/mips-ps-3d.md, mips/iris.h, mips/24k.md,
 346         mips/mips.md, mips/mips.opt, mips/4k.md, mips/5k.md,
 347         mips/vr4120-div.S, mips/openbsd.h, mips/iris6.h, mips/4000.md,
 348         mips/mips-protos.h, mips/6000.md, mips/mips.c, mips/mips.h,
 349         mips/r3900.h, mips/netbsd.h, mips/vxworks.h, mips/mips-modes.def,
 350         mips/vr.h, soft-fp/t-softfp, openbsd.h, ptx4.h, freebsd-spec.h,
 351         vax/vax.c, vax/openbsd.h, vax/vax.h, vax/elf.h, vax/vax.md,
 352         vax/bsd.h, vax/vax.opt, vax/vax-modes.def, vax/openbsd1.h,
 353         vax/netbsd.h, vax/vax-protos.h, vax/netbsd-elf.h, vax/vaxv.h,
 354         vax/ultrix.h, freebsd.h, h8300/rtems.h, h8300/predicates.md,
 355         h8300/h8300.c, h8300/h8300.h, h8300/elf.h, h8300/h8300.md,
 356         h8300/h8300.opt, h8300/coff.h, h8300/h8300-protos.h, v850/v850.md,
 357         v850/predicates.md, v850/v850-c.c, v850/v850.c, v850/v850.opt,
 358         v850/v850.h, v850/v850-protos.h, knetbsd-gnu.h, sol2-6.h,
 359         vxworks.h, mmix/mmix.h, mmix/predicates.md, mmix/mmix-protos.h,
 360         mmix/mmix.md, mmix/mmix.c, mmix/mmix.opt, mmix/mmix-modes.def,
 361         bfin/bfin.opt, bfin/rtems.h, bfin/bfin-modes.def,
 362         bfin/predicates.md, bfin/bfin-protos.h, bfin/bfin.c, bfin/bfin.h,
 363         bfin/bfin.md: Likewise.
 364
 365 2007-08-31  Jakub Jelinek  <jakub@redhat.com>
 366
 367         PR rtl-optimization/33148
 368         * simplify-rtx.c (simplify_unary_operation_1): Only optimize
 369         (neg (lt X 0)) if X has scalar int mode.
 370
 371         PR debug/32914
 372         * dwarf2out.c (rtl_for_decl_init): If vector decl has CONSTRUCTOR
 373         initializer, use build_vector_from_ctor if possible to create
 374         VECTOR_CST out of it.  If vector initializer is not VECTOR_CST
 375         even after this, return NULL.
 376
 377 2007-08-27  Jason Merrill  <jason@redhat.com>
 378
 379         PR c++/31337
 380         * gimplify.c (gimplify_modify_expr): Discard the assignment of
 381         zero-sized types after calling gimplify_modify_expr_rhs.
 382
 383 2007-08-24  Jakub Jelinek  <jakub@redhat.com>
 384
 385         PR debug/32610
 386         * dwarf2out.c (gen_decl_die): Don't call
 387         gen_tagged_type_instantiation_die if decl doesn't have tagged type.
 388
 389 2007-08-24  Richard Guenther  <rguenther@suse.de>
 390
 391         * expr.c (get_inner_reference): Remove unused variable.
 392
 393 2007-08-24  Richard Guenther  <rguenther@suse.de>
 394
 395         * expr.c (get_inner_reference): Do computation of bitoffset
 396         from offset in a way we can detect overflow reliably.
 397
 398 2007-08-22  Richard Guenther  <rguenther@suse.de>
 399
 400         PR middle-end/32563
 401         * tree.c (host_integerp): Treat sizetype as signed as it is
 402         sign-extended.
 403
 404 2007-08-20  Adam Nemet  <anemet@caviumnetworks.com>
 405
 406         * config/mips/predicates.md (const_call_insn_operand): Invoke
 407         SYMBOL_REF_LONG_CALL_P only on SYMBOL_REFs.
 408
 409 2007-08-17  Chen liqin  <liqin@sunnorth.com.cn>
 410
 411         * config/score/score.md : Update pattern tablejump.
 412         * config/score/score.c : Update score_initialize_trampoline
 413         function.
 414         * config/score/score.h (TRAMPOLINE_TEMPLATE): Added macro.
 415         (TRAMPOLINE_INSNS, TRAMPOLINE_SIZE) Update macro.
 416         * doc/contrib.texi: Add my entry.
 417
 418 2007-08-02  Andreas Krebbel  <krebbel1@de.ibm.com>
 419
 420         * config/s390/s390.md ("*xordi3_cconly"): Change xr to xg.
 421
 422 2007-08-01  Andreas Krebbel  <krebbel1@de.ibm.com>
 423
 424         * config/s390/s390.md (TF in GPR splitter): Change operand_subword
 425         parameter to TFmode.
 426
 427 2007-07-30  Mark Mitchell  <mark@codesourcery.com>
 428
 429         * BASE-VER: Bump.
 430         * DEV-PHASE: Mark as prerelease.
 431
 432 2007-07-25  Steve Ellcey  <sje@cup.hp.com>
 433
 434         PR target/32218
 435         * tree-vect-patterns.c (vect_pattern_recog_1): Check for valid type.
 436
 437 2007-07-25  Dorit Nuzman  <dorit@il.ibm.com>
 438             Devang Patel  <dpatel@apple.com>
 439
 440         PR tree-optimization/25413
 441         * targhooks.c (default_builtin_vector_alignment_reachable): New.
 442         * targhooks.h (default_builtin_vector_alignment_reachable): New.
 443         * tree.h (contains_packed_reference): New.
 444         * expr.c (contains_packed_reference): New.
 445         * tree-vect-analyze.c (vector_alignment_reachable_p): New.
 446         (vect_enhance_data_refs_alignment): Call
 447         vector_alignment_reachable_p.
 448         * target.h (vector_alignment_reachable): New builtin.
 449         * target-def.h (TARGET_VECTOR_ALIGNMENT_REACHABLE): New.
 450         * config/rs6000/rs6000.c (rs6000_vector_alignment_reachable): New.
 451         (TARGET_VECTOR_ALIGNMENT_REACHABLE): Define.
 452
 453 2007-07-24  Richard Guenther  <rguenther@suse.de>
 454
 455         Backport from mainline:
 456         2007-07-16  Richard Guenther  <rguenther@suse.de>
 457                     Uros Bizjak  <ubizjak@gmail.com>
 458
 459         * tree-if-conv.c (find_phi_replacement_condition): Unshare "*cond"
 460         before forcing it to gimple operand.
 461
 462 2007-07-24  Richard Guenther  <rguenther@suse.de>
 463
 464         PR tree-optimization/32723
 465         Backport from mainline:
 466         2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
 467
 468         * tree-ssa-structalias.c (shared_bitmap_info_t): New structure.
 469         (shared_bitmap_table): New variable.
 470         (shared_bitmap_hash): New function.
 471         (shared_bitmap_eq): Ditto
 472         (shared_bitmap_lookup): Ditto.
 473         (shared_bitmap_add): Ditto.
 474         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
 475         (init_alias_vars): Init shared bitmap hashtable.
 476         (delete_points_to_sets): Delete shared bitmap hashtable.
 477
 478 2007-07-23  Bernd Schmidt  <bernd.schmidt@analog.com>
 479
 480         * reload1.c (choose_reload_regs): Set reload_spill_index for regs
 481         chosen during find_reloads.
 482
 483 2007-07-19  Release Manager
 484
 485         * GCC 4.2.1 released.
 486
 487 2007-07-18  Paolo Bonzini  <bonzini@gnu.org>
 488
 489         Revert:
 490
 491         2007-07-09  Paolo Bonzini  <bonzini@gnu.org>
 492
 493         PR middle-end/32004
 494         * function.c (rest_of_match_asm_constraints): Pass PROP_REG_INFO.
 495
 496         2007-07-06  Paolo Bonzini  <bonzini@gnu.org>
 497
 498         PR middle-end/32004
 499         * function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
 500         pass_match_asm_constraints): New.
 501         * passes.c (init_optimization_passes): Add new pass.
 502         * stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
 503         * function.h (struct function): Add has_asm_statement bit.
 504         (current_function_has_asm_statement): New.
 505         * tree-pass.h (pass_match_asm_constraints): New.
 506
 507 2007-07-16  Paul Brook  <paul@codesourcery.com>
 508
 509         PR target/32753
 510         gcc/
 511         * config/arm/cirrus.md (cirrus_arm_movsi_insn): Remove dead insn.
 512
 513 2007-07-10  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 514
 515         PR target/32538
 516         * config/mips/iris6.h (LIBGCC_SPEC): Add libm.
 517
 518 2007-07-09  Paolo Bonzini  <bonzini@gnu.org>
 519
 520         PR middle-end/32004
 521         * function.c (rest_of_match_asm_constraints): Pass PROP_REG_INFO.
 522
 523 2007-07-09  Uros Bizjak  <ubizjak@gmail.com>
 524
 525         PR tree-optimization/32681
 526         * tree-if-conv.c (find_phi_replacement_condition): Use the condition
 527         saved in second_edge->aux when first_bb is a loop header.
 528
 529 2007-07-07 Anatoly Sokolov <aesok@post.ru>
 530
 531         PR target/31331
 532         * config/avr/avr.c (avr_naked_function_p): Handle receiving a type
 533         rather than a decl.
 534         (avr_attribute_table): Make "naked" attribute apply to function types
 535         rather than to decls.
 536         (avr_handle_fntype_attribute): New function.
 537
 538 2007-07-06  Paolo Bonzini  <bonzini@gnu.org>
 539
 540         PR middle-end/32004
 541         * function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
 542         pass_match_asm_constraints): New.
 543         * passes.c (init_optimization_passes): Add new pass.
 544         * stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
 545         * function.h (struct function): Add has_asm_statement bit.
 546         (current_function_has_asm_statement): New.
 547         * tree-pass.h (pass_match_asm_constraints): New.
 548
 549 2007-07-06  Uros Bizjak  <ubizjak@gmail.com>
 550
 551         PR rtl-optimization/32450
 552         * function.c (thread_prologue_and_epilogue_insns): Emit blockage insn
 553         to ensure that instructions are not moved into the prologue when
 554         profiling is on.
 555
 556 2007-07-04  Richard Guenther  <rguenther@suse.de>
 557
 558         PR tree-optimization/32500
 559         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
 560         Only use basic blocks that are always executed to infer loop bounds.
 561
 562 2007-07-04  Uros Bizjak  <ubizjak@gmail.com>
 563
 564         PR tree-optimization/31966
 565         PR tree-optimization/32533
 566         * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
 567         "basic_block" description as its third argument.  Update function
 568         calls to get destination bb from "edge" argument.  Save "cond" into
 569         aux field of the edge.  Update prototype for changed arguments.
 570         (if_convertible_loop_p): Clear aux field of incoming edges if bb
 571         contains phi node.
 572         (find_phi_replacement_condition): Operate on incoming edges, not
 573         on predecessor blocks.  If there is a condition saved in the
 574         incoming edge aux field, AND it with incoming bb predicate.
 575         Return source bb of the first edge.
 576         (clean_predicate_lists): Clean aux field of outgoing node edges.
 577         (tree_if_conversion): Do not initialize cond variable. Move
 578         variable declaration into the loop.
 579         (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
 580         initializations of new_stmt, arg0 and arg1 variables.
 581
 582 2007-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>
 583
 584         PR target/32506
 585         Backport from mainline.
 586         * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
 587         predicate instead of target_operand.
 588         (divsi3_i1_media, divsi3_media_2): Likewise.
 589
 590 2007-07-03  Richard Guenther  <rguenther@suse.de>
 591
 592         Backport from mainline:
 593         2006-12-11  Zdenek Dvorak <dvorakz@suse.cz>
 594
 595         PR rtl-optimization/30113
 596         * loop-iv.c (implies_p): Require the mode of the operands to be
 597         scalar.
 598
 599 2007-07-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 600
 601         PR target/28307
 602         * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
 603         (__gthrw_pragma): Provide default definition.
 604         (__gthrw2): Use it.
 605         * gthr-posix.c (__gthrw_pragma): Define.
 606
 607 2007-07-02  Jakub Jelinek  <jakub@redhat.com>
 608
 609         PR libgomp/32468
 610         * omp-low.c (check_combined_parallel): New function.
 611         (lower_omp_parallel): Call it via walk_stmts, set
 612         OMP_PARALLEL_COMBINED if appropriate.
 613         (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
 614         isn't the only statement in WS_ENTRY_BB or OMP_RETURN
 615         the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
 616         don't consider it as combined parallel.
 617
 618 2007-06-30  Alexandre Oliva  <aoliva@redhat.com>
 619
 620         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
 621         limbo die nodes.
 622
 623 2007-06-28  Seongbae Park  <seongbae.park@gmail.com>
 624
 625         * config/arm/arm.c (arm_get_frame_offsets): Set
 626         offsets->locals_base to avoid negative stack size.
 627         (thumb_expand_prologue): Assert on negative stack size.
 628
 629 2007-06-28  Jakub Jelinek  <jakub@redhat.com>
 630
 631         * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
 632         decl is non-external for AIX ABI.
 633
 634 2007-06-28  David Edelsohn  <edelsohn@gnu.org>
 635
 636         * config/rs6000/predicates.md (current_file_function_operand):
 637         Ensure the symbol is non-external for AIX ABI.
 638
 639 2007-06-21  H.J. Lu  <hongjiu.lu@intel.com>
 640
 641         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_VEC_EXT_V16QI.
 642         (ix86_init_mmx_sse_builtins): Add __builtin_ia32_vec_ext_v16qi.
 643         (ix86_expand_builtin): Handle IX86_BUILTIN_VEC_EXT_V16QI.
 644
 645 2007-06-21  Jakub Jelinek  <jakub@redhat.com>
 646
 647         PR middle-end/32362
 648         * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
 649         but decl is a global var, instead return decl.
 650         * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
 651         even for is_global_var decls, if they are private in some outer
 652         context.
 653
 654 2007-06-21  Uros Bizjak  <ubizjak@gmail.com>
 655
 656         PR target/32389
 657         * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
 658         * config/i386/i386.c (assign_386_stack_local): Assert that
 659         SLOT_VIRTUAL is valid only before virtual regs are instantiated.
 660         (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
 661         Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
 662         * config/i386/i386.md (truncdfsf2, truncxfsf2, truncxfdf2): Ditto.
 663
 664 2007-06-20  Jakub Jelinek  <jakub@redhat.com>
 665
 666         PR inline-asm/32109
 667         * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
 668         and !allows_mem.
 669
 670         PR middle-end/32285
 671         * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
 672         if ACCUMULATE_OUTGOING_ARGS.
 673
 674 2007-06-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 675
 676         PR rtl-optimization/28011
 677         Backport from mainline.
 678         * reload.c (push_reload): Set dont_share if IN appears in OUT
 679         also when IN is a PLUS rtx.
 680         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
 681         are same PLUS rtx.
 682
 683 2007-06-19  Richard Guenther  <rguenther@suse.de>
 684         Michael Matz  <matz@suse.de>
 685
 686         PR tree-optimization/30252
 687         * tree-ssa-structalias.c (solution_set_add): Make sure to
 688         preserve all relevant vars.
 689         (handle_ptr_arith): Make sure to only handle positive
 690         offsets.
 691         (push_fields_onto_fieldstack): Create fields for empty
 692         bases.
 693
 694 2007-06-19  Jakub Jelinek  <jakub@redhat.com>
 695
 696         PR tree-optimization/32353
 697         * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
 698
 699 2007-06-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
 700
 701         * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
 702         return mode from the builtin itself.
 703         (sparc_fold_builtin): Fix cast of zero constant.
 704
 705 2007-06-15  Diego Novillo  <dnovillo@google.com>
 706
 707         PR 32327
 708         * tree-ssa-operands.c (build_ssa_operands): Initially assume
 709         that the statement does not take any addresses.
 710
 711 2007-06-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
 712
 713         * config/sparc/sparc.c (sparc_override_options): Initialize
 714         fpu mask correctly.
 715
 716 2007-06-09  Ian Lance Taylor  <iant@google.com>
 717
 718         PR tree-optimization/32169
 719         * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
 720         CONVERT_EXPR, check whether min and max both converted to an
 721         overflow infinity representation.
 722
 723 2007-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
 724
 725         PR target/32163
 726         Backport from mainline.
 727         * config/sh/sh.md (symGOT_load): Don't schedule insns when
 728         the symbol is generated with the stack protector.
 729
 730 2007-06-06  Ian Lance Taylor  <iant@google.com>
 731
 732         * fold-const.c (merge_ranges): If range_successor or
 733         range_predecessor fail, just return 0.
 734
 735 2007-06-05  Ian Lance Taylor  <iant@google.com>
 736
 737         * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
 738         PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
 739         (extract_range_from_assert): Set TREE_NO_WARNING when creating an
 740         expression.
 741         (test_for_singularity): Likewise.
 742
 743 2007-06-04  Ian Lance Taylor  <iant@google.com>
 744
 745         * tree-vrp.c (adjust_range_with_scev): When loop is not expected
 746         to overflow, reduce overflow infinity to regular infinity.
 747         (vrp_var_may_overflow): New static function.
 748         (vrp_visit_phi_node): Check vrp_var_may_overflow.
 749
 750 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
 751
 752         Backport from mainline:
 753         2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
 754
 755         * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
 756         with MASK_SSE2.
 757         (__builtin_ia32_vec_ext_v2di): Likewise.
 758         (__builtin_ia32_vec_ext_v4si): Likewise.
 759         (__builtin_ia32_vec_ext_v8hi): Likewise.
 760         (__builtin_ia32_vec_set_v8hi): Likewise.
 761
 762 2007-05-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 763
 764         Backport from mainline:
 765         2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
 766
 767         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
 768         into pic and non-pic versions. Mark r19 as used for
 769         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
 770         for tgd_load, tld_load and tie_load .
 771         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
 772         version of tgd_load, tld_load and tie_load depending on the
 773         value of flag_pic.
 774
 775 2007-05-27  Daniel Berlin <dberlin@dberlin.org>
 776
 777         Fix PR/30052
 778         Backport PTA solver from mainline
 779
 780         * pointer-set.c: Copy from mainline
 781         * pointer-set.h: Ditto.
 782         * tree-ssa-structalias.c: Copy solver portions from mainline.
 783         * Makefile.in (tree-ssa-structalias.o): Update dependencies
 784
 785 2007-05-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 786
 787         * tree-vrp.c (compare_names): Initialize sop.
 788
 789 2007-05-30  Jakub Jelinek  <jakub@redhat.com>
 790
 791         PR tree-optimization/31769
 792         * except.c (duplicate_eh_regions): Clear prev_try if
 793         ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
 794
 795 2007-05-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 796
 797         PR tree-opt/32100
 798         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
 799         return true when truth_value_p is true and the type
 800         is of signed:1.
 801
 802 2007-05-27  H.J. Lu  <hongjiu.lu@intel.com>
 803
 804         Backport from mainline:
 805         2007-05-25  Uros Bizjak  <ubizjak@gmail.com>
 806
 807         * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
 808         "memory" attribute for "sseishft" type insn without operands[2].
 809
 810         2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
 811
 812         * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
 813
 814 2007-05-22  Ian Lance Taylor  <iant@google.com>
 815
 816         * tree-vrp.c (avoid_overflow_infinity): New static function,
 817         broken out of set_value_range_to_value.
 818         (set_value_range_to_value): Call avoid_overflow_infinity.
 819         (extract_range_from_assert): Likewise.
 820
 821 2007-05-23  Chen Liqin  <liqin@sunnorth.com.cn>
 822
 823         PR target/30987
 824         * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): remove.
 825         * config/score/predicate.md (const_pow2, const_npow2): remove.
 826         * config/score/score.h (ASM_OUTPUT_EXTERNAL): add ASM_OUTPUT_EXTERNAL undef.
 827         PR target/30474
 828         * config/score/score.c (score_print_operand): makes sure that only lower
 829         bits are used.
 830
 831 2007-05-21  Uros Bizjak  <ubizjak@gmail.com>
 832
 833         PR target/31167
 834         Backport from mainline.
 835         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
 836         x86_64_general_operand as operand[2] predicate.  Remove "iF"
 837         from operand constraints and use "e" constraint instead.
 838         (*subti3_1, *subti3_1 splitter): Ditto.
 839         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
 840         operand[1] predicate.
 841
 842 2007-05-21  Uros Bizjak  <ubizjak@gmail.com>
 843
 844         PR target/30041
 845         Backport from mainline.
 846         * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
 847         operands[1] in insn constraint.  Correct type attribute to sselog1.
 848
 849 2007-05-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 850
 851         PR target/31701
 852         Backport from mainline.
 853         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
 854         register itself to hold the offset constant.  Tell flow the use
 855         of r4 and r5 when they are used.
 856
 857 2007-05-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 858
 859         PR target/31480
 860         Backport from mainline.
 861         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
 862         is null.
 863
 864 2007-05-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 865
 866         PR target/31022
 867         Backport from mainline.
 868         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
 869         instead of PATTERN.
 870
 871 2007-05-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 872
 873         PR target/27405
 874         Backport from mainline.
 875         * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
 876         (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
 877         cmp{eq,gt,gtu}{si,di}_media.
 878         (*cmpne0si_media): Remove.
 879         (*movsicc_umin): Adjust gen_cmp*_media call.
 880         (unordered): Change the mode of unordered and operands[1] to
 881         SImode.
 882         (seq): Adjust gen_cmp*_media calls.  Make the mode of
 883         a temporary result of compare SImode if needed.  If the mode
 884         of operands[0] is DImode, extend the temporary result to DImode.
 885         (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
 886         (sunorderd): Change the mode of match_operand and unorderd to
 887         SImode.
 888         (cmpeq{sf,df}_media): Remove.
 889         (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
 890         (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
 891         and compare operation to SImode.
 892
 893 2007-05-18  Joseph Myers  <joseph@codesourcery.com>
 894
 895         * config/soft-fp/double.h, config/soft-fp/extended.h,
 896         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
 897         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
 898         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
 899         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
 900         glibc CVS.
 901
 902 2007-05-17  Ian Lance Taylor  <iant@google.com>
 903
 904         PR tree-optimization/31953
 905         * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
 906         Change all callers.
 907         (set_value_range_to_null): Call set_value_range_to_value.
 908         (extract_range_from_comparison): Likewise.
 909
 910 2007-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
 911
 912         PR rtl-optimization/31691
 913         * combine.c (simplify_set): Build a new src pattern instead of
 914         substituting its operands in the COMPARE case.
 915
 916 2007-05-14  Mark Mitchell  <mark@codesourcery.com>
 917
 918         * BASE-VER: Set to 4.2.1.
 919         * DEV-PHASE: Set to prerelease.
 920
 921 2007-05-13  Release Manager
 922
 923         * GCC 4.2.0 released.
 924
 925 2007-05-12  Richard Guenther  <rguenther@suse.de>
 926
 927         PR tree-optimization/31797
 928         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
 929         propagate into a stmt that has volatile ops.
 930
 931 2007-05-01  Ian Lance Taylor  <iant@google.com>
 932
 933         PR tree-optimization/31739
 934         * tree-vrp.c (vrp_val_is_max): New static function.
 935         (vrp_val_is_min): New static function.
 936         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
 937         copying the node.
 938         (set_value_range): Use vrp_val_is_{max,min}.
 939         (extract_range_from_assert): Likewise.
 940         (extract_range_from_binary_expr): Likewise.
 941         (extract_range_from_unary_expr): Likewise.
 942         (dump_value_range, vrp_meet): Likewise.
 943         (vrp_visit_phi_node): Likewise.
 944         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
 945
 946 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
 947
 948         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
 949
 950 2007-04-27  Anatoly Sokolov <aesok@post.ru>
 951
 952         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
 953         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
 954         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
 955         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
 956
 957 2007-04-27  Ian Lance Taylor  <iant@google.com>
 958
 959         PR middle-end/31710
 960         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
 961         TYPE_MAX_VALUE exist, convert them to the new type.
 962
 963 2007-04-26  Ian Lance Taylor  <iant@google.com>
 964
 965         PR target/28675
 966         * reload.c (find_reloads_subreg_address): If the address was valid
 967         in the original mode but not in the new mode, reload the whole
 968         address.
 969
 970 2007-04-26  Ulrich Weigand  <uweigand@de.ibm.com>
 971
 972         PR middle-end/30761
 973         * reload1.c (eliminate_regs_in_insn): In the single_set special
 974         case, attempt to re-recognize the insn before falling back to
 975         having reload fix it up.
 976
 977 2007-04-26  Richard Guenther  <rguenther@suse.de>
 978         Daniel Berlin  <dberlin@dberlin.org>
 979
 980         PR tree-optimization/30567
 981         * tree-ssa-structalias.c (update_alias_info): Record dereference
 982         also if ESCAPE_STORED_IN_GLOBAL.
 983
 984 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
 985
 986         PR c++/31598
 987         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
 988
 989         PR tree-optimization/30558
 990         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
 991         clear this_state.prev_try.
 992
 993 2007-04-25  Anatoly Sokolov <aesok@post.ru>
 994
 995         PR target/18989
 996         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
 997
 998 2007-04-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 999             Roger Sayle  <roger@eyesopen.com>
1000
1001         PR middle-end/30222
1002         * expmed.c (make_tree): Use the correct type, i.e. the inner
1003         type, when constructing the individual elements of a CONST_VECTOR.
1004
1005 2007-04-24  Ian Lance Taylor  <iant@google.com>
1006
1007         PR tree-optimization/31605
1008         * tree-vrp.c (set_value_range): Check that min and max are not
1009         both overflow infinities.
1010         (set_value_range_to_value): New static function.
1011         (extract_range_from_binary_expr): Call set_value_range_to_value.
1012         (extract_range_from_expr): Likewise.
1013         (extract_range_from_unary_expr): Likewise.  Don't create a range
1014         which overflows on both sides.
1015         (vrp_meet): Check for a useless range.
1016         (vrp_visit_phi_node): If we see a constant which looks like an
1017         overflow infinity, turn off the TREE_OVERFLOW flag.
1018
1019 2007-04-24  Ian Lance Taylor  <iant@google.com>
1020
1021         PR tree-optimization/31602
1022         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
1023         conditionals in the copied loop header.
1024         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
1025         warnings if TREE_NO_WARNING is set.
1026         * doc/invoke.texi (Warning Options): Clarify that
1027         -Wstrict-overflow does not warn about loops.
1028
1029 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1030
1031         PR target/31641
1032         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
1033         argument of 0 for memset.
1034         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
1035         unsigned shift instead of the signed variant.
1036
1037 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
1038
1039         * doc/invoke.texi: Removed leading '-' from option index entries.
1040
1041 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1042
1043         PR middle-end/31448
1044         * expr.c (reduce_to_bit_field_precision): Handle
1045         CONST_INT rtx's.
1046
1047 2007-04-20  Richard Henderson  <rth@redhat.com>
1048
1049         PR target/28623
1050         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1051         argument; update all callers.
1052         (get_unaligned_offset): New.
1053         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1054         get_unaligned_address, just pass on the address directly.
1055         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1056         the subreg in the helper patterns.
1057         (unaligned_extendqidi_le): Use get_unaligned_offset.
1058         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1059         (unaligned_extendhidi_be): Likewise.
1060         (unaligned_extendhidi): Tidy.
1061         * config/alpha/alpha-protos.h: Update.
1062
1063 2007-04-21  Richard Guenther  <rguenther@suse.de>
1064
1065         PR middle-end/31136
1066         * fold-const.c (fold_unary): Call fold_convert_const on the
1067         original tree.
1068
1069 2007-04-20  Richard Henderson  <rth@redhat.com>
1070
1071         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1072
1073 2007-04-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1074
1075         * reload.c (combine_reloads): When trying to use a dying register,
1076         check whether it's uninitialized and don't use if so.
1077
1078 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
1079
1080         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1081         for __builtin_ia32_cmpordss.
1082
1083         PR tree-optimization/31632
1084         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1085         and arg1 for optimizations of comparison against min/max values.
1086         Fold arg0 to arg1's type for optimizations of comparison against
1087         min+1 and max-1 values.
1088
1089 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1090
1091         PR rtl-optimization/29841
1092         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1093         trap instructions.
1094         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1095         that may cause control flow transfer from being moved.
1096
1097 2007-04-18  Anatoly Sokolov <aesok@post.ru>
1098
1099         * config/avr/avr.c (ptrreg_to_str): Replace error() with
1100         output_operand_lossage().
1101
1102 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1103
1104         PR target/30483
1105         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1106         error().
1107
1108 2007-04-17  Jan Hubicka  <jh@suse.cz>
1109
1110         PR middle-end/30700
1111         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
1112         availablility; add more sanity checking; ask varpool only about
1113         VAR_DECL.
1114
1115 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1116
1117         * Backport from mainline:
1118         2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1119
1120         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1121         on "0".
1122         (sse_vmmulv4sf3): Likewise.
1123         (sse2_vmaddv2df3): Likewise.
1124         (sse2_vmmulv2df3): Likewise.
1125
1126 2007-04-16  Matthias Klose  <doko@debian.org>
1127
1128         * config/alpha/linux.h (CPP_SPEC): Define.
1129         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
1130
1131 2007-04-16  Anatoly Sokolov <aesok@post.ru>
1132
1133         * config/avr/avr.c (avr_arch_types): Rearranging  array.
1134         (enum avr_arch): Add.
1135         (avr_mcu_types): Use avr_arch enumeration constants instead of
1136         numbers.
1137         * config/avr/avr.h (LINK_SPEC): Simplify.
1138
1139 2007-04-16  Jan Hubicka  <jh@suse.cz>
1140
1141         PR target/27869
1142         * config/i386/sse.md
1143         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
1144         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
1145         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
1146         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
1147
1148 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
1149
1150         * Backport from mainline:
1151         2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
1152
1153         PR target/31582
1154         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
1155         copy of source, pass it to ix86_expand_vector_set and return
1156         it as target.
1157
1158 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1159
1160         PR c/31520
1161         * c-decl.c (finish_decl): Grab the type of the decl after the call
1162         to store_init_value.
1163
1164 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
1165
1166         PR c++/25874
1167         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1168         post dominators and cleanup cfg before returning.
1169
1170 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1171
1172         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
1173         null before emitting a .nsubspa directive.
1174
1175 2007-04-08  Anatoly Sokolov <aesok@post.ru>
1176
1177         PR target/29932
1178         * config/avr/predicates.md (io_address_operand): Delete predicate.
1179         (low_io_address_operand): Don't use 'mode' argument.
1180         (higth_io_address_operand): Rename ...
1181         (high_io_address_operand): ... to this. Don't use 'mode' argument.
1182         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
1183         for above change.
1184
1185 2007-04-07  Anatoly Sokolov <aesok@post.ru>
1186
1187         PR target/30289
1188         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
1189         earlyclobber.
1190
1191 2007-04-05  Anatoly Sokolov <aesok@post.ru>
1192
1193         PR target/25448
1194         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
1195         DECL_ASSEMBLER_NAME, not the DECL_NAME.
1196
1197 2007-04-04  Richard Henderson  <rth@redhat.com>
1198
1199         PR target/31361
1200         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove
1201         v8hi_ftype_v8hi_v2di, v4si_ftype_v4si_v2di.  Use like-types for
1202         the variable shift builtins.
1203         (ix86_expand_builtin): Properly expand the variable shift builtins.
1204         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
1205         operand 2 be TImode.
1206         * config/i386/emmintrin.h (_mm_slli_epi16, _mm_slli_epi32,
1207         _mm_slli_epi64, _mm_srai_epi16, _mm_srai_epi32, _mm_srli_epi16,
1208         _mm_srli_epi32, _mm_srli_epi64): Turn into macros.
1209         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
1210         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
1211         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
1212         two-vector shift builtins.
1213
1214 2007-04-04  Chen liqin  <liqin@sunnorth.com.cn>
1215
1216         * config/score/crti.asm: Change _bss_start to __bss_start.
1217         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
1218         (OUTGOING_REG_PARM_STACK_SPACE) update.
1219         * config/score/score.opt: add options to make backend support
1220         score5, score5u, score7 and score7d.
1221         * config/score/score.md: Likewise.
1222         * config/score/misc.md: Likewise.
1223         * config/score/mac.md: Likewise.
1224         * doc/invoke.texi: Likewise.
1225         * doc/md.texi: update constraints define.
1226
1227 2007-04-03  Stuart Hastings  <stuart@apple.com>
1228
1229         PR 31281
1230         * objc/objc-act.c (next_sjlj_build_catch_list): Delete volatile
1231         from rethrow decl.
1232         * cse.c (record_jump_equiv): Bail out on CCmode comparisons.
1233
1234 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
1235
1236         PR middle-end/30704
1237         * fold-const.c (native_encode_real): Encode real.c provided longs
1238         as a series of 32-bit native integers.
1239         (native_interpret_real): Interpret buffer as a series of 32-bit
1240         native integers.
1241
1242 2007-04-02  Eric Christopher  <echristo@apple.com>
1243
1244         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
1245         limitations on darwin.
1246
1247 2007-04-02  Anatoly Sokolov <aesok@post.ru>
1248
1249         PR target/31137
1250         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
1251
1252 2007-04-02  H.J. Lu  <hongjiu.lu@intel.com>
1253
1254         * Backport from mainline:
1255         2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1256
1257         PR target/31380
1258         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
1259
1260 2007-03-30  Anatoly Sokolov <aesok@post.ru>
1261
1262         * config/avr/avr.c (avr_override_options): Clear
1263         'flag_delete_null_pointer_checks'.
1264
1265 2007-03-29  Michael Matz  <matz@suse.de>
1266
1267         * builtins.c (expand_builtin_sync_operation,
1268         expand_builtin_compare_and_swap,
1269         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
1270         correctly.
1271
1272         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
1273         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
1274         for operand 3.
1275
1276 2007-03-28  Mike Stump  <mrs@apple.com>
1277
1278         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
1279         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
1280         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
1281
1282 2007-03-27  Anatoly Sokolov <aesok@post.ru>
1283
1284         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
1285         architecture.
1286
1287 2007-03-26  Ian Lance Taylor  <iant@google.com>
1288
1289         PR tree-optimization/31345
1290         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
1291         [+INF, +INF(OVF)] into VARYING.
1292
1293 2007-03-23  Martin Michlmayr  <tbm@cyrius.com>
1294
1295         * doc/invoke.texi (-fforce-mem): Update documentation to reflect
1296         that this option will be removed in 4.3 rather than 4.2.
1297         * opts.c (common_handle_option): Likewise.
1298
1299 2007-03-21  Mike Stump  <mrs@apple.com>
1300
1301         * c.opt: Fixup for Objective-C/C++.
1302
1303 2007-03-21  Richard Henderson  <rth@redhat.com>
1304
1305         PR target/31245
1306         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
1307         * config/i386/mmintrin.h (__m64): Likewise.
1308         * config/i386/xmmintrin.h (__m128): Likewise.
1309
1310 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
1311
1312         PR c/30762
1313         * c-typeck.c (convert_for_assignment): Call comptypes for
1314         RECORD_TYPE or UNION_TYPE.
1315
1316         PR inline-asm/30505
1317         * reload1.c (reload): Do invalid ASM checking after
1318         cleanup_subreg_operands.
1319
1320 2007-03-19  Jeff Law  <law@redhat.com>
1321
1322         * tree-cfg.c (find_taken_edge): Tighten conditions for
1323         optimizing computed gotos.
1324
1325 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1326
1327         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
1328         (output_call): Likewise.
1329
1330 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
1331
1332         PR debug/29906
1333         * dwarf2out.c (force_type_die): Adjust comment.
1334         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
1335
1336 2007-03-15  Seongbae Park <seongbae.park@gmail.com>
1337
1338         PR tree-optimization/30590
1339         * tree-nrv.c (tree_nrv): Check for the partial update
1340         of the return value.
1341
1342 2007-03-14  Ian Lance Taylor  <iant@google.com>
1343
1344         * tree-vrp.c (value_inside_range): Ignore fold warnings.
1345
1346 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1347
1348         PR target/31123
1349         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
1350         two unamed patterns.
1351
1352 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1353
1354         * doc/extend.texi: Edit "gnu_inline" documentation.
1355         * doc/invoke.texi: Edit "-fgnu89-inline" documentation.
1356
1357 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
1358
1359         * doc/extend.texi: Fix cpp.info cross-reference.
1360         * doc/invoke.texi: Fix cpp.info cross-reference.
1361         * doc/passes.texi: Fix gcc.info cross-reference.
1362
1363 2007-03-12  Daniel Berlin  <dberlin@dberlin.org>
1364
1365         Fix PR tree-optimization/28544
1366         * tree-ssa-operands.c (add_virtual_operand):
1367         Move assert triggering on aliasing violations into
1368         debugging define
1369
1370 2007-03-12  Ian Lance Taylor  <iant@google.com>
1371
1372         * c.opt (fgnu89-inline): New option.
1373         * c-opts.c (c_common_post_options): Warn about -fno-gnu89-inline.
1374         * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1375         (handle_gnu_inline_attribute): New static function.
1376         * c-decl.c (start_function): Warn if we see a non-static inline
1377         function in C99 mode.
1378         * c-cppbuiltin.c (c_cpp_builtins): Define __GNUC_GNU_INLINE__.
1379         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
1380         (C Dialect Options): Document -fgnu89-inline.
1381         * doc/extend.texi (Function Attributes): Document gnu_inline.
1382         (Inline): Mention that C99 inline will be implemented in 4.3.
1383         Refer to ways to get the old handling.
1384         * doc/cpp.texi (Common Predefined Macros): Document
1385         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1386
1387 2007-03-12  Richard Henderson  <rth@redhat.com>
1388
1389         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
1390         (TARGET_SECTION_TYPE_FLAGS): New.
1391
1392 2007-03-12  Richard Henderson  <rth@redhat.com>
1393
1394         * config/darwin.c (machopic_reloc_rw_mask): New.
1395         (machopic_select_section): Use decl_readonly_section.
1396         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
1397         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
1398
1399 2007-02-14  Richard Guenther  <rguenther@suse.de>
1400
1401         Backport from mainline:
1402         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1403
1404 2007-03-11  Ian Lance Taylor  <iant@google.com>
1405
1406         Backport -fstrict-overflow/-Wstrict-overflow from mainline:
1407         2007-03-11  Ian Lance Taylor  <iant@google.com>
1408
1409         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
1410         the *_DIV_EXPR codes correctly with overflow infinities.
1411
1412         2007-03-09  Ian Lance Taylor  <iant@google.com>
1413
1414         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
1415         argument) like -Wstrict-overflow=2.
1416         * doc/invoke.texi (Warning Options): Update documentation.
1417
1418         2007-03-08  Ian Lance Taylor  <iant@google.com>
1419
1420         * tree-vrp.c: Include "toplev.h" and "intl.h".
1421         (usable_range_p): New static function.
1422         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
1423         overflowed values, juts set *strict_overflow_p.
1424         (compare_values): Only return -2 if one of the operands is not a
1425         constant.
1426         (compare_ranges): Call usable_range_p.
1427         (compare_range_with_value): Likewise.
1428         (vrp_evaluate_conditional_warnv): Rename from
1429         vrp_evaluate_conditional.  Make static.  Change all callers.
1430         (vrp_evaluate_conditional): New function.
1431         (simplify_div_or_mod_using_ranges): Issue warning about reliance
1432         on signed overflow.
1433         (simplify_abs_using_ranges): Likewise.
1434         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
1435         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
1436         within_stmt parameter.
1437         * tree-ssa-propagate.c (fold_predicate_in): Update call to
1438         vrp_evaluate_conditional.
1439         * tree-ssa-threadedge.c
1440         (record_temporary_equivalences_from_stmts_at_dest): Change
1441         simplify parameter to take a second tree parameter.
1442         (simplify_control_stmt_condition): Likewise.
1443         (thread_across_edge): Likewise.
1444         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1445         (thread_across_edge): Likewise.
1446         * Makefile.in (tree-vrp.o): Depend upon toplev.h and intl.h.
1447
1448         2007-03-05  Ian Lance Taylor  <iant@google.com>
1449
1450         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
1451         half-range if the other side is an overflow infinity.
1452
1453         2007-03-02  Ian Lance Taylor  <iant@google.com>
1454
1455         Used signed infinities in VRP.
1456         * tree-vrp.c (uses_overflow_infinity): New static function.
1457         (supports_overflow_infinity): New static function.
1458         (make_overflow_infinity): New static function.
1459         (negative_overflow_infinity): New static function.
1460         (positive_overflow_infinity): New static function.
1461         (is_negative_overflow_infinity): New static function.
1462         (is_positive_overflow_infinity): New static function.
1463         (is_overflow_infinity): New static function.
1464         (overflow_infinity_range_p): New static function.
1465         (compare_values_warnv): New function split out of compare_values.
1466         (compare_value): Call it.
1467         (set_value_range_to_nonnegative): Add overflow_infinity
1468         parameter.  Change caller.
1469         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
1470         Change callers.
1471         (vrp_expr_computes_nonzero): Likewise.
1472         (compare_ranges, compare_range_with_value): Likewise.
1473         (compare_name_with_value, compare_names): Likewise.
1474         (vrp_evaluate_conditional): Likewise.
1475         (set_value_range): Handle infinity
1476         (vrp_operand_equal_p, operand_less_p): Likewise.
1477         (extract_range_from_assert): Likewise.
1478         (vrp_int_const_binop): Likewise.
1479         (extract_range_from_binary_expr): Likewise.
1480         (extract_range_from_unary_expr): Likewise.
1481         (extract_range_from_comparison): Likewise.
1482         (extract_range_from_expr): Likewise.
1483         (dump_value_range): Likewise.
1484         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
1485         (test_for_singularity): Likewise.
1486         (vrp_int_const_binop): Remove inline qualifier.
1487         (adjust_range_with_scev): Add comment.
1488         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
1489
1490         2007-02-13  Ian Lance Taylor  <iant@google.com>
1491
1492         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1493         * flags.h (warn_strict_overflow): Declare.
1494         (enum warn_strict_overflow_code): Define.
1495         (issue_strict_overflow_warning): New static inline function.
1496         * opts.c (warn_strict_overflow): New variable.
1497         (common_handle_option): Handle OPT_Wstrict_overflow and
1498         OPT_Wstrict_overflow_.
1499         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1500         OPT_Wall.
1501         * fold-const.c: Include intl.h.
1502         (fold_deferring_overflow_warnings): New static variable.
1503         (fold_deferred_overflow_warning): New static variable.
1504         (fold_deferred_overflow_code): New static variable.
1505         (fold_defer_overflow_warnings): New function.
1506         (fold_undefer_overflow_warnings): New function.
1507         (fold_undefer_and_ignore_overflow_warnings): New function.
1508         (fold_deferring_overflow_warnings_p): New function.
1509         (fold_overflow_warning): New static function.
1510         (make_range): Add strict_overflow_p parameter.  Change all
1511         callers.
1512         (extract_muldiv, extract_muldiv_1): Likewise.
1513         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1514         tree_expr_nonnegative_p.
1515         (fold_negate_expr): Call fold_overflow_warning.
1516         (fold_range_test): Likewise.
1517         (fold_comparison): Likewise.
1518         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1519         instead of tree_expr_nonnegative_p.
1520         (tree_expr_nonnegative_warnv_p): Rename from
1521         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1522         (tree_expr_nonnegative_p): New function.
1523         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1524         strict_overflow_p parameter.
1525         (tree_expr_nonzero_p): New function.
1526         * passes.c (verify_interpass_invariants): New static function.
1527         (execute_one_pass): Call it.
1528         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1529         warnings.
1530         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1531         (estimate_numbers_of_iterations): Likewise.
1532         (scev_probably_wraps_p): Likewise.
1533         * tree-ssa-ccp.c: Include "toplev.h".
1534         (evaluate_stmt): Defer fold overflow warnings until we know we are
1535         going to optimize.
1536         (struct fold_stmt_r_data): Add stmt field.
1537         (fold_stmt_r): Defer fold overflow warnings until we know we
1538         optimized.
1539         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1540         (fold_stmt_inplace): Likewise.
1541         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1542         (cleanup_control_expr_graph): Defer fold overflow warnings until
1543         we know we are going to optimize.
1544         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1545         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1546         Likewise.
1547         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1548         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1549         * tree-ssa-loop-manip.c (create_iv): Likewise.
1550         * c-typeck.c (build_conditional_expr): Likewise.
1551         (build_binary_op): Likewise.
1552         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1553         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1554         (extract_range_from_unary_expr): Likewise.
1555         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1556         assuming that signed overflow does not occur.
1557         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1558         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1559         (fold_defer_overflow_warnings): Declare.
1560         (fold_undefer_overflow_warnings): Declare.
1561         (fold_undefer_and_ignore_overflow_warnings): Declare.
1562         (fold_deferring_overflow_warnings_p): Declare.
1563         (tree_expr_nonzero_warnv_p): Declare.
1564         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1565         of warning options.
1566         (Warning Options): Document -Wstrict-overflow.
1567         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1568         (tree-ssa-ccp.o): Likewise.
1569         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1570         (fold-const.o): Depend on intl.h.
1571
1572         2007-01-27  Ian Lance Taylor  <iant@google.com>
1573
1574         * common.opt: Add fstrict-overflow.
1575         * opts.c (decode_options): Set flag_strict_overflow if -O2.
1576         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
1577         (TYPE_OVERFLOW_UNDEFINED): Define.
1578         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
1579         Replace all uses.
1580         * tree.h (TYPE_TRAP_SIGNED): Don't define.
1581         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
1582         (fold_negate_expr): Likewise.
1583         (make_range): Likewise.
1584         (extract_muldiv_1): Likewise.
1585         (fold_comparison): Likewise.
1586         (fold_binary): Likewise.
1587         (tree_expr_nonnegative_p): Likewise.
1588         (tree_expr_nonzero_p): Likewise.
1589         * tree-vrp.c (compare_values): Likewise.
1590         (extract_range_from_binary_expr): Likewise.
1591         (extract_range_from_unary_expr): Likewise.
1592         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1593         Likewise.
1594         (nowrap_type_p): Likewise.
1595         * tree-scalar-evolution.c (simple_iv): Likewise.
1596         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
1597         (build_range_check): Likewise.
1598         (extract_muldiv_1): Likewise.
1599         (fold_comparison): Likewise.
1600         * tree-vrp.c (vrp_int_const_binop): Likewise.
1601         (extract_range_from_unary_expr): Likewise.
1602         * convert.c (convert_to_integer): Likewise.
1603         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
1604         (fold_comparison): Likewise.
1605         (fold_binary): Likewise.
1606         * optabs.c (optab_for_tree_code): Likewise.
1607         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
1608         * simplify-rtx.c (simplify_const_relational_operation): Check
1609         flag_strict_overflow and flag_trapv.
1610         (simplify_const_relational_operation): Likewise.
1611         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
1612         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
1613         -fstrict-overflow.
1614
1615         2007-01-17  Ian Lance Taylor  <iant@google.com>
1616
1617         * vec.h (VEC_reserve_exact): Define.
1618         (vec_gc_p_reserve_exact): Declare.
1619         (vec_gc_o_reserve_exact): Declare.
1620         (vec_heap_p_reserve_exact): Declare.
1621         (vec_heap_o_reserve_exact): Declare.
1622         (VEC_OP (T,A,reserve_exact)): New static inline function, three
1623         versions.
1624         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
1625         negative parameter.
1626         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
1627         (VEC_OP (T,A,copy)) [all versions]: Likewise.
1628         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
1629         * vec.c (calculate_allocation): Add exact parameter.  Change all
1630         callers.
1631         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
1632         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
1633         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
1634         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
1635         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
1636         (vec_heap_p_reserve_exact): New function.
1637         (vec_heap_o_reserve_exact): New function.
1638
1639 2007-03-11  Roger Sayle  <roger@eyesopen.com>
1640             Andrew Pinski  <andrew_pinski@playstation.sony.com>
1641
1642         PR middle-end/30433
1643         * fold-const.c (fold_relational_const): Add back compile-time
1644         evaluation of complex constant equality/inequality comparisons.
1645
1646 2007-03-11  Ira Rosen  <irar@il.ibm.com>
1647
1648         PR tree-optimization/29925
1649         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
1650         indicate success/failure of the analysis. Add negation to subtrahend
1651         in case of subtraction. Fail if both operands contain constants.
1652         (create_data_ref): Fail if analyze_offset fails.
1653
1654 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
1655
1656         PR c++/30924
1657         * tree.c (walk_type_fields): Recurse into the element type of
1658         ARRAY_TYPEs if there is a pointer set.
1659
1660 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1661
1662         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
1663         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
1664         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
1665         SOM target.
1666
1667 2007-03-09  Richard Henderson  <rth@redhat.com>
1668
1669         PR target/26090
1670         * target.h (targetm.asm.out.reloc_rw_mask): New.
1671         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
1672         (TARGET_ASM_OUT): Use it.
1673         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
1674         * varasm.c (categorize_decl_for_section): Remove shlib argument;
1675         use the new reloc_rw_mask target hook instead.
1676         (default_section_type_flags_1): Merge into...
1677         (default_section_type_flags): ... here.
1678         (decl_readonly_section_1): Merge into...
1679         (decl_readonly_section): ... here.
1680         (default_elf_select_section_1): Merge into...
1681         (default_elf_select_section): ... here.
1682         (default_unique_section_1): Merge into...
1683         (default_unique_section): ... here.
1684         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
1685         (default_select_rtx_section): Use it.
1686         (default_elf_select_rtx_section): Likewise.
1687         * output.h: Update to match.
1688         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
1689         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
1690         (TARGET_ASM_RELOC_RW_MASK): New.
1691         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
1692         to categorize_decl_for_section.
1693         (x86_64_elf_unique_section): Likewise.
1694         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
1695         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
1696         (TARGET_ASM_RELOC_RW_MASK): New.
1697         * config/ia64/ia64.c (ia64_rwreloc_select_section,
1698         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
1699         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
1700         (TARGET_RWRELOC): Remove.
1701         (ia64_section_type_flags): Adjust call to default_section_type_flags.
1702         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1703         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
1704         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
1705         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
1706         (rs6000_xcoff_select_section): Use decl_readonly_section.
1707         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
1708         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
1709         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
1710         (TARGET_SECTION_TYPE_FLAGS): Remove.
1711         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
1712
1713 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
1714
1715         PR 31013
1716         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
1717         is declared.
1718         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
1719         passed, use shared libgcc.
1720
1721 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
1722
1723         PR rtl-optimization/30643
1724         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
1725         dest_addr_elt.
1726
1727 2007-03-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1728
1729         PR tree-opt/30045
1730         * tree-vrp.c (nonnull_arg_p): Treat the static decl as always
1731         non null.
1732
1733 2007-03-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1734
1735         PR middle-end/30729
1736         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
1737         effects unknown to this function, return early.
1738
1739 2007-03-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1740
1741         PR tree-opt/28624
1742         * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
1743         bitmap for EXECUTE_IF_SET_IN_BITMAP.
1744
1745 2006-03-09  Mark Shinwell  <shinwell@codesourcery.com>
1746             Andrew MacLeod  <amacleod@redhat.com>
1747         PR tree-optimization/29877
1748         * tree-outof-ssa.c (check_replaceable): Don't allow TER to replace
1749         an expression if the RHS is a register variable.
1750
1751 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1752
1753         PR C/31072
1754         * c-decl.c (merge_decls): Don't call make_var_volatile.
1755         * varasm.c (make_var_volatile): Remove.
1756         * output.h (make_var_volatile): Remove.
1757
1758 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1759
1760         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
1761         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
1762         ATTR_CONST_NOTHROW_LIST.
1763
1764         * fold-const.c (tree_expr_nonnegative_p): Handle FIX_TRUNC_EXPR.
1765
1766 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
1767
1768         PR target/30406
1769         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
1770         instead of precision.
1771
1772 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
1773
1774         PR c++/30852
1775         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
1776
1777 2007-03-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1778
1779         * c.opt (Waddress): New.
1780         * common.opt (Walways-true): Delete.
1781         (Wstring-literal-comparison): Delete.
1782         * doc/invoke.texi (Warning Options): Delete -Walways-true and
1783         -Wstring-literal-comparison. Add -Waddress.
1784         (Waddress): New.
1785         (Walways-true): Delete.
1786         (Wstring-literal-comparison): Delete.
1787         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
1788         consistently instead of -Walways-true in example.
1789         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
1790         * c-typeck.c (parser_build_binary_op): Replace
1791         -Wstring-literal-comparison and -Walways-true with -Waddress.
1792         (build_binary_op): Likewise.
1793         * c-common.c (c_common_truthvalue_conversion): Likewise.
1794
1795 2007-03-07  Richard Henderson  <rth@redhat.com>
1796
1797         PR target/30848
1798         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
1799         silently fix up the stack in the case of a missing register.
1800
1801 2007-03-06  David Daney  <ddaney@avtrex.com>
1802
1803         * doc/install.texi (mips-*-*): Change recommended binutils
1804         version.
1805
1806 2007-03-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1807
1808         * doc/invoke.texi (Warning Options): Replace -Werror- with
1809         -Werror=.
1810         * opts.c (common_handle_option): Likewise.
1811
1812 2007-03-06  Anatoly Sokolov <aesok@post.ru>
1813
1814         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
1815         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
1816         devices.
1817         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1818         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1819
1820 2007-03-06  Roger Sayle  <roger@eyesopen.com>
1821
1822         PR middle-end/30744
1823         * fold-const.c (fold_binary) <EQ_EXPR>: Enforce type consistency
1824         when transforming ~X op C to X op' ~C.
1825
1826 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1827
1828         * pa.md: In unamed move patterns, disparge copies between general
1829         and floating point registers using '?' modifier.  Don't include 'f'
1830         constraint for register preferences in DImode, SImode, HImode and
1831         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
1832         Remove constraints for copies between general and floating registers
1833         in soft-float DFmode pattern.
1834         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
1835         floating register.
1836         (movsf): Likewise.
1837
1838 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1839
1840         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
1841         conversion.
1842
1843 2007-03-05  Steve Ellcey  <sje@cup.hp.com>
1844
1845         Backported from mainline
1846         PR debug/29614
1847         * cgraph.h (cgraph_varpool_last_needed_node): Make global.
1848         * cgraph.c (cgraph_varpool_last_needed_node): Ditto.
1849         * cgraphunit.c (cgraph_varpool_assemble_pending_decls):
1850         Set cgraph_varpool_last_needed_node to NULL.
1851
1852 2007/03/05  David Taylor  <dtaylor@emc.com>
1853
1854         PR 31050
1855         * gcc.c: Correct copyright date in --version output.
1856
1857 2007-03-05  Brooks Moses  <brooks.moses@codesourcery.com>
1858
1859         * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
1860         -ffixed-line-length-* options.
1861
1862 2007-03-05  David Edelsohn  <edelsohn@gnu.ogr>
1863
1864         * config/rs6000/t-ppccomm: Always build libgcc2 for GNU/Linux
1865         with -mlong-double-128, except SPE.
1866
1867         * config/rs6000/darwin-ldouble.c: Only build new functions for
1868         __LONG_DOUBLE_128__.
1869
1870         Backport from mainline:
1871         2007-01-16  David Edelsohn  <edelsohn@gnu.org>
1872
1873         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
1874         (strong_alias): Define.
1875         (__gcc_qmul): Provide non-FMA for soft-float.
1876         (__gcc_qdiv): Same.
1877         (__gcc_qneg): New.
1878         (__gcc_qeq): New.
1879         (__gcc_qle): New.
1880         (__gcc_qge): New.
1881         (__gcc_qunord): New.
1882         (__gcc_stoq): New.
1883         (__gcc_dtoq): New.
1884         (__gcc_qtos): New.
1885         (__gcc_qtod): New.
1886         (__gcc_qtoi): New.
1887         (__gcc_qtou): New.
1888         (__gcc_itoq): New.
1889         (__gcc_utoq): New.
1890         (fmsub): New.
1891         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
1892         soft-float functions.
1893         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
1894         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
1895         about long double soft float.
1896
1897 2007-03-05  Richard Guenther  <rguenther@suse.de>
1898
1899         Backport from mainline:
1900         2007-02-28  Richard Guenther  <rguenther@suse.de>
1901
1902         PR middle-end/30364
1903         * fold-const.c (fold_binary): Do not associate expressions
1904         with more than one variable for integer types that do not wrap.
1905
1906 2007-03-04  Eric Botcazou  <ebotcazou@adacore.com>
1907
1908         PR ada/26797
1909         * doc/invoke.texi (-O2): Document that Tree-VRP is not turned on
1910         for the Ada compiler.
1911
1912 2007-03-02  Zdenek Dvorak <dvorakz@suse.cz>
1913
1914         PR tree-optimization/29902
1915         * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
1916         any involved ssa name appears in abnormal phi node.
1917
1918 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
1919
1920         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
1921         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
1922         if the lhs has side-effects.
1923         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
1924
1925 2007-03-02  Paul Brook  <paul@codesourcery.com>
1926
1927         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
1928         modes to LDRD for DImode.
1929         (output_move_double): Fixup out of range ldrd/strd.
1930         (vfp_secondary_reload_class): Rename...
1931         (coproc_secondary_reload_class): ... to this.  Add wb argument.
1932         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
1933         coproc_secondary_reload_class for CLASS_IWMMXT.
1934         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
1935         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
1936
1937 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
1938
1939         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
1940         entry by means of emit_insn_at_entry.
1941
1942 2007-03-01  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1943
1944         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1945
1946 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1947
1948         * pa/predicates.md (move_src_operand): Allow zero for mode.
1949         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
1950         move pattern.
1951
1952 2007-02-27  Mike Stump  <mrs@apple.com>
1953
1954         * config/darwin-crt3.c: Avoid compilation when compiling for a
1955         kext multilib.
1956
1957 2007-02-27  Andreas Schwab  <schwab@suse.de>
1958
1959         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
1960
1961 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
1962
1963         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
1964
1965 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
1966
1967         * doc/include/gcc-common.texi (versionsubtitle): New macro.
1968         * doc/cpp.texi: Standardize title page.
1969         * doc/cppinternals.texi: Likewise.
1970         * doc/gcc.texi: Standardize title page, remove version number
1971         from copyright page.
1972         * doc/gccint.texi: Likewise.
1973         * doc/install.texi: Standardize title page, add table of
1974         contents.
1975
1976 2007-02-24  Mike Stump  <mrs@apple.com>
1977
1978         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
1979         symbols.
1980
1981 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1982
1983         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
1984
1985 2007-02-23  Mike Stump  <mrs@apple.com>
1986
1987         * tlink.c (scan_linker_output): Parse linker messages from
1988         darwin9's linker better.
1989
1990 2007-02-21 Ira Rosen  <irar@il.ibm.com>
1991
1992         * tree-ssa-alias.c: Include pointer-set.h
1993         * Makefile.in (tree-ssa-alias.o): Depend on pointer-set.h.
1994
1995 2007-02-21  Jakub Jelinek  <jakub@redhat.com>
1996
1997         Backported from mainline
1998         2006-12-20  Andrew Pinski  <pinskia@gmail.com>
1999         PR middle-end/30143
2000         * omp-low.c (init_tmp_var): New function.
2001         (save_tmp_var): New function.
2002         (lower_omp_1): Use them for VAR_DECL.
2003
2004 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
2005
2006         PR target/29943
2007         * varasm.c (use_blocks_for_decl_p): Return false for decls with
2008         alias attribute.
2009
2010 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
2011
2012         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
2013         due to calls to functions taking pointers as parameters.
2014
2015 2007-02-19  Richard Henderson  <rth@redhat.com>
2016
2017         PR debug/29558
2018         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
2019         in memory.
2020
2021 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
2022
2023         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
2024
2025 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
2026
2027         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
2028         for arg pointer based indexed addressing.
2029
2030 2007-02-18 Ira Rosen  <irar@il.ibm.com>
2031
2032         * tree-ssa-alias.c (may_aliases_intersect): New function.
2033         * tree-data-ref.c (ptr_ptr_may_alias_p): Call may_aliases_intersect
2034         for different tags.
2035         * tree-flow.h (may_aliases_intersect): Add function declaration.
2036
2037 2007-02-17  Alexandre Oliva  <aoliva@redhat.com>
2038
2039         PR tree-optimization/30823
2040         * tree-sra.c (sra_build_assignment): Drop type-checking assert.
2041
2042 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2043
2044         PR other/27843
2045         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
2046         nested double- and backquotes.
2047
2048 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
2049
2050         * tree-sra.c (instantiate_missing_elements): Canonicalize
2051         bit-field types.
2052         (sra_build_assignment): New.
2053         (generate_copy_inout, generate_element_copy,
2054         generate_element_zero, generate_one_element_init): Use it.
2055
2056 2007-02-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2057
2058         PR rtl-optimization/29599
2059         Backport from mainline.
2060         * reload1.c (eliminate_regs_in_insn): Take the destination
2061         mode into account when computing the offset.
2062
2063 2007-02-13  Joseph S. Myers  <joseph@codesourcery.com>
2064
2065         * doc/invoke.texi, doc/standards.texi: Refer to
2066         gcc-4.2/c99status.html.
2067
2068 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2069
2070         PR target/30634
2071         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2072         CONST_DOUBLE and operand 0 is a hard register.
2073         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2074         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
2075         is a hard floating-point register.
2076
2077 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
2078
2079         PR target/29487
2080         * tree.h (DECL_REPLACEABLE_P): New macro.
2081         * except.c (set_nothrow_function_flags): Likewise.
2082
2083 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2084
2085         PR c++/30703
2086         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2087         of INDIRECT_REF <RESULT_DECL>.
2088
2089 2007-02-06  Rask Ingemann Lamberisen  <rask@sygehus.dk>
2090
2091         PR 30370
2092         * config/rs6000/t-ppccomm: Correct Makefile typo.
2093
2094 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2095
2096         PR libgomp/28296
2097         Backport from mainline.
2098         * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2099         it into -D_REENTRANT.
2100
2101 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2102
2103         PR debug/30189
2104         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2105         even if cv-qualification is the same.
2106
2107 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2108
2109         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2110         __enable_execute_stack on completion.
2111
2112 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2113
2114         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2115
2116 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2117
2118         PR target/29682
2119         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2120         general or fp registers.  Add comments.
2121         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2122
2123 2007-02-04  Richard Guenther  <rguenther@suse.de>
2124
2125         Backport from mainline:
2126         2007-01-30  Richard Guenther  <rguenther@suse.de>
2127
2128         PR middle-end/27657
2129         * dwarf2out.c (reference_to_unused): Query varpool if the
2130         variable was output.
2131
2132 2007-02-02  Mike Stump  <mrs@apple.com>
2133
2134         * config.gcc (*-*-darwin*): Backport darwin9.h bits.
2135         * config/darwin9.h: Add.
2136         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2137         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2138         generate a branch island.
2139
2140 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2141
2142         Revert for x86 darwin:
2143         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2144
2145         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2146         code before the following patch under TARGET_MACHO.
2147         (ix86_function_value_regno_p): Likewise.
2148
2149 2007-02-02  Simon Martin  <simartin@users.sourceforge.net>
2150
2151         PR c++/28266
2152         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
2153         expanded only once even if an error occurs.
2154
2155 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2156
2157         PR middle-end/30473
2158         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2159         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2160
2161 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
2162
2163         * pa.md (tp_load): Correct mfctl instruction syntax.
2164
2165 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
2166
2167         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
2168         altivec_padding_size calculation on AIX.  Improve comment, add
2169         assert to verify that it's right.
2170
2171 2007-01-31  Anatoly Sokolov <aesok@post.ru>
2172
2173         PR target/19087
2174         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
2175
2176 2007-01-30  Richard Guenther  <rguenther@suse.de>
2177
2178         PR middle-end/30313
2179         * passes.c (execute_one_pass): Reset in_gimple_form to not
2180         confuse non-unit-at-a-time mode.
2181
2182 2007-01-27  Anatoly Sokolov <aesok@post.ru>
2183
2184         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define __AVR_HAVE_MUL__.
2185
2186 2007-01-29  Mike Stump  <mrs@apple.com>
2187
2188         * doc/gccint.texi (Top): Rename Loop Representation to Loop
2189         Analysis and Representation to resolve case insensitive conflict.
2190         * doc/loop.texi (Loop Analysis and Representation): Likewise.
2191
2192 2007-01-29  Josh Conner  <jconner@apple.com>
2193
2194         PR middle-end/29683
2195         * calls.c (compute_argument_addresses): Set stack and stack_slot
2196         for partial args, too.
2197         (store_one_arg): Use locate.size.constant for the size when
2198         generating a save_area.
2199
2200 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2201
2202         * doc/sourcebuild.texi: Add comma for clarity.
2203         * doc/extend.texi: Fix some typos.
2204         * doc/passes.texi: Likewise.
2205         * doc/cppinternals.texi: Likewise.
2206         * doc/c-tree.texi: Likewise.
2207         * doc/tree-ssa.texi: Likewise.
2208         * doc/install.texi: Likewise.
2209
2210 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
2211
2212         PR tree-optimization/29516
2213         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
2214         most_expensive_mult_to_index, addr_to_parts,
2215         create_mem_ref, maybe_fold_tmr): Make the type of
2216         fields of TARGET_MEM_REF sizetype.
2217         (move_fixed_address_to_symbol, move_pointer_to_base,
2218         aff_combination_remove_elt): New functions.
2219         * tree.def (TARGET_MEM_REF): Add comment on types of
2220         the operands.
2221         * gcc.dg/tree-ssa/loop-20.c: New test.
2222
2223 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
2224
2225         PR 25127
2226         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
2227         save Altivec registers in an eh_return function.
2228         (compute_vrsave_mask): Likewise.
2229         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
2230         for saving Altivec registers.
2231         (rs6000_emit_prologue): Don't allocate stack twice in
2232         eh_return function.  Correct expected value of altivec_save_offset
2233         when using save_world.  Describe save of R0 to stack when using
2234         save_world.  Describe stack pointer adjustment when using
2235         save_world.  Remove duplicated eh_return parameter register saving.
2236         Update sp_offset variable after save_world.
2237         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
2238         darwin-world.asm.
2239         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
2240         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
2241         implies Altivec.
2242
2243 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
2244
2245         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
2246
2247 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
2248
2249         PR middle-end/27416
2250         * gimplify.c (omp_check_private): New function.
2251         (gimplify_scan_omp_clauses): Use it for
2252         firstprivate/lastprivate/reduction.
2253
2254         PR middle-end/30494
2255         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
2256         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
2257
2258         PR middle-end/30421
2259         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
2260         If lower_lastprivate_clauses emits some statements, append them
2261         to dlist rather than body_p and to body_p append an initializer.
2262         (lower_omp_for): Adjust caller.
2263
2264 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2265
2266         PR rtl-optimization/29329
2267         * combine.c (replaced_rhs_insn): Rename to i2mod.
2268         (replaced_rhs_value): Rename to i2mod_new_rhs.
2269         (i2mod_old_rhs): New global variable.
2270         (combine_instructions): Adjust for above change.  Save a copy of
2271         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
2272         note are substituted in the second instruction.
2273         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
2274         ditch the note if it pertains to the second eliminated register
2275         and this register is mentioned in i2mod_old_rhs.
2276
2277         Revert:
2278         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
2279
2280         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2281         the insn to which the note was originally attached.
2282
2283 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2284
2285         * pa.c (output_move_double): Change array size of xoperands to 4.
2286
2287 2007-01-17  Eric Christopher  <echristo@apple.com>
2288
2289         Backport from mainline:
2290         2006-12-18  Roger Sayle  <roger@eyesopen.com>
2291                     Eric Christopher  <echristo@apple.com>
2292
2293         PR target/29302
2294         * real.c (real_maxval): Correctly handle IBM extended double format.
2295
2296 2007-01-17  Tom Tromey  <tromey@redhat.com>
2297
2298         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
2299         * doc/install.texi (Testing): Use sourceware.org.
2300         (Binaries): Likewise.
2301         (Specific): Likewise.
2302         * doc/contrib.texi (Contributors): Use sourceware.org.
2303
2304 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
2305
2306         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
2307         glibc CVS.
2308
2309 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2310
2311         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
2312         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
2313         (ASM_OUTPUT_INTERNAL_LABEL): Define.
2314
2315 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
2316
2317         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
2318
2319 2007-01-09  Nicolas Pitre  <nico@cam.org>
2320
2321         PR target/30173
2322         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
2323
2324 2007-01-08  Nick Clifton  <nickc@redhat.com>
2325
2326         * config/frv/predicates.md (reg_or_0_operand): Accept
2327         CONST_DOUBLEs.
2328
2329 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
2330
2331         * config/bfin/rtems.h, config/bfin/t-rtems: New.
2332         * config.gcc: Add bfin*-rtems*.
2333
2334 2007-01-08  Chen liqin  <liqin@sunnorth.com.cn>
2335         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
2336         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
2337         const_simm15, const_pow2, const_npow2): Added.
2338         * config/score/misc.md (insv, extv, extzv, movmemsi,
2339         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
2340         * config/score/score.c (score_address_cost, score_select_cc_mode):
2341         Added.
2342         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
2343         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
2344         Update score_print_operand.
2345         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
2346         Adjust register allocate order and update some macro define.
2347         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
2348         mdx_block_move_straight, mdx_block_move_loop_head,
2349         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
2350         mdx_block_move): Added.
2351         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
2352         mdp_limm): Updated and fix some bug and typo.
2353         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
2354         (movsf, movdf, doloop_end): Added.
2355
2356 2007-01-05  Richard Guenther  <rguenther@suse.de>
2357
2358         PR middle-end/27826
2359         * tree.c (get_narrower): Do not construct COMPONENT_REFs
2360         with mismatched types.  Instead explicitly build a
2361         conversion NOP_EXPR.
2362
2363 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
2364
2365         PR c/30360
2366         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
2367         denom against 0.0.
2368
2369 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
2370
2371         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
2372         (struct _Unwind_Context): Rename args_size to flags, remove
2373         signal_frame field, add a new args_size field and version field.
2374         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
2375         _Unwind_IsExtendedContext): New inline functions.
2376         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2377         Assume by_value array is only present if _Unwind_IsExtendedContext.
2378         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
2379         _Unwind_IsSignalFrame.
2380         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
2381         (uw_update_context_1): Use _Unwind_SetSignalFrame.
2382         (uw_init_context_1): Initialize context->flags to
2383         EXTENDED_CONTEXT_BIT.
2384         * config/rs6000/linux-unwind.h (frob_update_context): Use
2385         _Unwind_SetSignalFrame.
2386
2387 2007-01-01  Mike Stump  <mrs@apple.com>
2388
2389         * configure.ac: Remove support for building with Apple's gcc-3.1.
2390
2391 2007-01-01  Andreas Schwab  <schwab@suse.de>
2392
2393         PR target/29166
2394         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
2395         save of BR0 in extra_spill_size instead of spill_size.
2396         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
2397         area.
2398         (ia64_expand_epilogue): Restore BR0 from its new location.