+2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR middle-end/39701
+ * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
+
+ * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
+ here.
+
+ * doc/invoke.texi: Update -fdelete-null-pointer-checks.
+
+2009-04-10 Chao-ying Fu <fu@mips.com>
+
+ * doc/tm.texi (Instruction Output): Document
+ TARGET_ASM_FINAL_POSTSCAN_INSN.
+ * target.h (final_postscan_insn): New field in asm_out.
+ * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
+ (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
+ * final.c (final_scan_insn): Call
+ targetm.asm_out.final_postscan_insn after outputting
+ an asm macro and a normal instruction.
+
+ * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
+ * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
+ * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
+ (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
+ (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
+
+2009-04-10 Paolo Bonzini <bonzini@gnu.org>
+
+ PR middle-end/39701
+ * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
+ variables as non-NULL even with -fdelete-null-pointer-checks.
+
+2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
+
+2009-04-09 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/39678
+ * config/i386/i386.c (classify_argument): Handle SCmode with
+ (bit_offset % 64) != 0.
+
+2009-04-09 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi (Optimize Options): Add cross-reference to
+ -Q --help=optimizers examples.
+
+2009-04-10 Ben Elliston <bje@au.ibm.com>
+
+ PR target/36800
+ * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
+ regalign for the reg == fpr and TDmode case.
+
+2009-04-09 David Ayers <ayers@fsfe.org>
+
+ PR objc/29200
+ * objc/objc-act.c (warn_with_method): Remove helper function.
+ (check_duplicates): Call warning and inform directly.
+ (really_start_method): Likewise.
+
+2009-04-09 Paolo Bonzini <bonzini@gnu.org>
+
+ * expmed.c (expand_divmod): Always use a comparison for a division
+ by a large unsigned integer.
+
+ * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
+ for things others than variables or functions as nonzero.
+
+2009-04-09 Nick Clifton <nickc@redhat.com>
+
+ * unwind-compat.c: Change copyright header to refer to version
+ 3 of the GNU General Public License with version 3.1 of the
+ GCC Runtime Library Exception and to point readers at the
+ COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
+ * config/alpha/crtfastmath.c: Likewise.
+ * config/alpha/linux-unwind.h: Likewise.
+ * config/alpha/qrnnd.asm: Likewise.
+ * config/alpha/vms-crt0-64.c: Likewise.
+ * config/alpha/vms-crt0.c: Likewise.
+ * config/alpha/vms-dwarf2.asm: Likewise.
+ * config/alpha/vms-dwarf2eh.asm: Likewise.
+ * config/alpha/vms-psxcrt0-64.c: Likewise.
+ * config/alpha/vms-psxcrt0.c: Likewise.
+ * config/alpha/vms_tramp.asm: Likewise.
+ * config/arc/initfini.c: Likewise.
+ * config/arc/lib1funcs.asm: Likewise.
+ * config/arm/bpabi-v6m.S: Likewise.
+ * config/arm/bpabi.S: Likewise.
+ * config/arm/bpabi.c: Likewise.
+ * config/arm/crti.asm: Likewise.
+ * config/arm/crtn.asm: Likewise.
+ * config/arm/ieee754-df.S: Likewise.
+ * config/arm/ieee754-sf.S: Likewise.
+ * config/arm/lib1funcs.asm: Likewise.
+ * config/arm/libunwind.S: Likewise.
+ * config/arm/linux-atomic.c: Likewise.
+ * config/arm/mmintrin.h: Likewise.
+ * config/arm/pr-support.c: Likewise.
+ * config/arm/unaligned-funcs.c: Likewise.
+ * config/arm/unwind-arm.c: Likewise.
+ * config/arm/unwind-arm.h: Likewise.
+ * config/avr/libgcc.S: Likewise.
+ * config/bfin/crti.s: Likewise.
+ * config/bfin/crtlibid.s: Likewise.
+ * config/bfin/crtn.s: Likewise.
+ * config/bfin/lib1funcs.asm: Likewise.
+ * config/bfin/linux-unwind.h: Likewise.
+ * config/cris/arit.c: Likewise.
+ * config/cris/cris_abi_symbol.c: Likewise.
+ * config/darwin-64.c: Likewise.
+ * config/darwin-crt2.c: Likewise.
+ * config/darwin-crt3.c: Likewise.
+ * config/darwin.h: Likewise.
+ * config/dbxelf.h: Likewise.
+ * config/dfp-bit.c: Likewise.
+ * config/dfp-bit.h: Likewise.
+ * config/elfos.h: Likewise.
+ * config/fixed-bit.c: Likewise.
+ * config/fixed-bit.h: Likewise.
+ * config/fp-bit.c: Likewise.
+ * config/fp-bit.h: Likewise.
+ * config/fr30/crti.asm: Likewise.
+ * config/fr30/crtn.asm: Likewise.
+ * config/fr30/lib1funcs.asm: Likewise.
+ * config/freebsd-spec.h: Likewise.
+ * config/frv/cmovd.c: Likewise.
+ * config/frv/cmovh.c: Likewise.
+ * config/frv/cmovw.c: Likewise.
+ * config/frv/frvbegin.c: Likewise.
+ * config/frv/frvend.c: Likewise.
+ * config/frv/lib1funcs.asm: Likewise.
+ * config/glibc-stdint.h: Likewise.
+ * config/h8300/clzhi2.c: Likewise.
+ * config/h8300/crti.asm: Likewise.
+ * config/h8300/crtn.asm: Likewise.
+ * config/h8300/ctzhi2.c: Likewise.
+ * config/h8300/fixunssfsi.c: Likewise.
+ * config/h8300/lib1funcs.asm: Likewise.
+ * config/h8300/parityhi2.c: Likewise.
+ * config/h8300/popcounthi2.c: Likewise.
+ * config/i386/ammintrin.h: Likewise.
+ * config/i386/att.h: Likewise.
+ * config/i386/avxintrin.h: Likewise.
+ * config/i386/biarch64.h: Likewise.
+ * config/i386/bmmintrin.h: Likewise.
+ * config/i386/cpuid.h: Likewise.
+ * config/i386/cross-stdarg.h: Likewise.
+ * config/i386/crtfastmath.c: Likewise.
+ * config/i386/crtprec.c: Likewise.
+ * config/i386/cygming-crtbegin.c: Likewise.
+ * config/i386/cygming-crtend.c: Likewise.
+ * config/i386/cygwin.asm: Likewise.
+ * config/i386/emmintrin.h: Likewise.
+ * config/i386/gmm_malloc.h: Likewise.
+ * config/i386/gthr-win32.c: Likewise.
+ * config/i386/i386.h: Likewise.
+ * config/i386/immintrin.h: Likewise.
+ * config/i386/linux-unwind.h: Likewise.
+ * config/i386/linux64.h: Likewise.
+ * config/i386/mm3dnow.h: Likewise.
+ * config/i386/mmintrin-common.h: Likewise.
+ * config/i386/mmintrin.h: Likewise.
+ * config/i386/nmmintrin.h: Likewise.
+ * config/i386/pmm_malloc.h: Likewise.
+ * config/i386/pmmintrin.h: Likewise.
+ * config/i386/smmintrin.h: Likewise.
+ * config/i386/sol2-c1.asm: Likewise.
+ * config/i386/sol2-ci.asm: Likewise.
+ * config/i386/sol2-cn.asm: Likewise.
+ * config/i386/sol2-gc1.asm: Likewise.
+ * config/i386/tmmintrin.h: Likewise.
+ * config/i386/unix.h: Likewise.
+ * config/i386/w32-unwind.h: Likewise.
+ * config/i386/wmmintrin.h: Likewise.
+ * config/i386/x86-64.h: Likewise.
+ * config/i386/x86intrin.h: Likewise.
+ * config/i386/xmmintrin.h: Likewise.
+ * config/ia64/crtbegin.asm: Likewise.
+ * config/ia64/crtend.asm: Likewise.
+ * config/ia64/crtfastmath.c: Likewise.
+ * config/ia64/crti.asm: Likewise.
+ * config/ia64/crtn.asm: Likewise.
+ * config/ia64/fde-glibc.c: Likewise.
+ * config/ia64/lib1funcs.asm: Likewise.
+ * config/ia64/linux-unwind.h: Likewise.
+ * config/ia64/quadlib.c: Likewise.
+ * config/ia64/unwind-ia64.c: Likewise.
+ * config/linux.h: Likewise.
+ * config/m32c/m32c-lib1.S: Likewise.
+ * config/m32c/m32c-lib2-trapv.c: Likewise.
+ * config/m32c/m32c-lib2.c: Likewise.
+ * config/m32r/initfini.c: Likewise.
+ * config/m68hc11/larith.asm: Likewise.
+ * config/m68hc11/m68hc11-crt0.S: Likewise.
+ * config/m68k/cf.md: Likewise.
+ * config/m68k/crti.s: Likewise.
+ * config/m68k/crtn.s: Likewise.
+ * config/m68k/lb1sf68.asm: Likewise.
+ * config/m68k/linux-unwind.h: Likewise.
+ * config/mcore/crti.asm: Likewise.
+ * config/mcore/crtn.asm: Likewise.
+ * config/mcore/lib1.asm: Likewise.
+ * config/mips/linux-unwind.h: Likewise.
+ * config/mips/loongson.h: Likewise.
+ * config/mips/mips16.S: Likewise.
+ * config/mmix/crti.asm: Likewise.
+ * config/mmix/crtn.asm: Likewise.
+ * config/pa/fptr.c: Likewise.
+ * config/pa/hpux-unwind.h: Likewise.
+ * config/pa/lib2funcs.asm: Likewise.
+ * config/pa/linux-atomic.c: Likewise.
+ * config/pa/linux-unwind.h: Likewise.
+ * config/pa/milli64.S: Likewise.
+ * config/pa/quadlib.c: Likewise.
+ * config/pa/stublib.c: Likewise.
+ * config/picochip/libgccExtras/adddi3.asm: Likewise.
+ * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
+ * config/picochip/libgccExtras/ashlsi3.c: Likewise.
+ * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
+ * config/picochip/libgccExtras/ashrsi3.c: Likewise.
+ * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
+ * config/picochip/libgccExtras/divmod15.asm: Likewise.
+ * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
+ * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
+ * config/picochip/libgccExtras/longjmp.asm: Likewise.
+ * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
+ * config/picochip/libgccExtras/lshrsi3.c: Likewise.
+ * config/picochip/libgccExtras/parityhi2.asm: Likewise.
+ * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
+ * config/picochip/libgccExtras/setjmp.asm: Likewise.
+ * config/picochip/libgccExtras/subdi3.asm: Likewise.
+ * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
+ * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
+ * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
+ * config/rs6000/750cl.h: Likewise.
+ * config/rs6000/altivec.h: Likewise.
+ * config/rs6000/biarch64.h: Likewise.
+ * config/rs6000/crtresfpr.asm: Likewise.
+ * config/rs6000/crtresgpr.asm: Likewise.
+ * config/rs6000/crtresxfpr.asm: Likewise.
+ * config/rs6000/crtresxgpr.asm: Likewise.
+ * config/rs6000/crtsavfpr.asm: Likewise.
+ * config/rs6000/crtsavgpr.asm: Likewise.
+ * config/rs6000/darwin-asm.h: Likewise.
+ * config/rs6000/darwin-fallback.c: Likewise.
+ * config/rs6000/darwin-fpsave.asm: Likewise.
+ * config/rs6000/darwin-ldouble.c: Likewise.
+ * config/rs6000/darwin-tramp.asm: Likewise.
+ * config/rs6000/darwin-unwind.h: Likewise.
+ * config/rs6000/darwin-vecsave.asm: Likewise.
+ * config/rs6000/darwin-world.asm: Likewise.
+ * config/rs6000/e500crtres32gpr.asm: Likewise.
+ * config/rs6000/e500crtres64gpr.asm: Likewise.
+ * config/rs6000/e500crtres64gprctr.asm: Likewise.
+ * config/rs6000/e500crtrest32gpr.asm: Likewise.
+ * config/rs6000/e500crtrest64gpr.asm: Likewise.
+ * config/rs6000/e500crtresx32gpr.asm: Likewise.
+ * config/rs6000/e500crtresx64gpr.asm: Likewise.
+ * config/rs6000/e500crtsav32gpr.asm: Likewise.
+ * config/rs6000/e500crtsav64gpr.asm: Likewise.
+ * config/rs6000/e500crtsav64gprctr.asm: Likewise.
+ * config/rs6000/e500crtsavg32gpr.asm: Likewise.
+ * config/rs6000/e500crtsavg64gpr.asm: Likewise.
+ * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
+ * config/rs6000/eabi-ci.asm: Likewise.
+ * config/rs6000/eabi-cn.asm: Likewise.
+ * config/rs6000/eabi.asm: Likewise.
+ * config/rs6000/linux-unwind.h: Likewise.
+ * config/rs6000/linux64.h: Likewise.
+ * config/rs6000/paired.h: Likewise.
+ * config/rs6000/paired.md: Likewise.
+ * config/rs6000/ppc64-fp.c: Likewise.
+ * config/rs6000/ppu_intrinsics.h: Likewise.
+ * config/rs6000/rs6000.h: Likewise.
+ * config/rs6000/si2vmx.h: Likewise.
+ * config/rs6000/sol-ci.asm: Likewise.
+ * config/rs6000/sol-cn.asm: Likewise.
+ * config/rs6000/spe.h: Likewise.
+ * config/rs6000/spu2vmx.h: Likewise.
+ * config/rs6000/sysv4.h: Likewise.
+ * config/rs6000/tramp.asm: Likewise.
+ * config/rs6000/vec_types.h: Likewise.
+ * config/s390/linux-unwind.h: Likewise.
+ * config/s390/tpf-unwind.h: Likewise.
+ * config/score/crti.asm: Likewise.
+ * config/score/crtn.asm: Likewise.
+ * config/sh/crt1.asm: Likewise.
+ * config/sh/crti.asm: Likewise.
+ * config/sh/crtn.asm: Likewise.
+ * config/sh/divtab-sh4-300.c: Likewise.
+ * config/sh/divtab-sh4.c: Likewise.
+ * config/sh/divtab.c: Likewise.
+ * config/sh/lib1funcs-4-300.asm: Likewise.
+ * config/sh/lib1funcs-Os-4-200.asm: Likewise.
+ * config/sh/lib1funcs.asm: Likewise.
+ * config/sh/lib1funcs.h: Likewise.
+ * config/sh/linux-atomic.asm: Likewise.
+ * config/sh/linux-unwind.h: Likewise.
+ * config/sh/shmedia.h: Likewise.
+ * config/sh/sshmedia.h: Likewise.
+ * config/sh/ushmedia.h: Likewise.
+ * config/sparc/crtfastmath.c: Likewise.
+ * config/sparc/linux-unwind.h: Likewise.
+ * config/sparc/sol2-c1.asm: Likewise.
+ * config/sparc/sol2-ci.asm: Likewise.
+ * config/sparc/sol2-cn.asm: Likewise.
+ * config/spu/divmodti4.c: Likewise.
+ * config/spu/divv2df3.c: Likewise.
+ * config/spu/float_disf.c: Likewise.
+ * config/spu/float_unsdidf.c: Likewise.
+ * config/spu/float_unsdisf.c: Likewise.
+ * config/spu/float_unssidf.c: Likewise.
+ * config/spu/mfc_multi_tag_release.c: Likewise.
+ * config/spu/mfc_multi_tag_reserve.c: Likewise.
+ * config/spu/mfc_tag_release.c: Likewise.
+ * config/spu/mfc_tag_reserve.c: Likewise.
+ * config/spu/mfc_tag_table.c: Likewise.
+ * config/spu/multi3.c: Likewise.
+ * config/spu/spu_internals.h: Likewise.
+ * config/spu/spu_intrinsics.h: Likewise.
+ * config/spu/spu_mfcio.h: Likewise.
+ * config/spu/vec_types.h: Likewise.
+ * config/spu/vmx2spu.h: Likewise.
+ * config/stormy16/stormy16-lib2.c: Likewise.
+ * config/svr4.h: Likewise.
+ * config/sync.c: Likewise.
+ * config/v850/lib1funcs.asm: Likewise.
+ * config/vxlib-tls.c: Likewise.
+ * config/vxlib.c: Likewise.
+ * config/vxworks-dummy.h: Likewise.
+ * config/xtensa/crti.asm: Likewise.
+ * config/xtensa/crtn.asm: Likewise.
+ * config/xtensa/ieee754-df.S: Likewise.
+ * config/xtensa/ieee754-sf.S: Likewise.
+ * config/xtensa/lib1funcs.asm: Likewise.
+ * config/xtensa/lib2funcs.S: Likewise.
+ * config/xtensa/linux-unwind.h: Likewise.
+ * config/xtensa/unwind-dw2-xtensa.c: Likewise.
+ * config/xtensa/unwind-dw2-xtensa.h: Likewise.
+ * coretypes.h: Likewise.
+ * crtstuff.c: Likewise.
+ * defaults.h: Likewise.
+ * dwarf2.h: Likewise.
+ * emutls.c: Likewise.
+ * gbl-ctors.h: Likewise.
+ * gcov-io.h: Likewise.
+ * ginclude/float.h: Likewise.
+ * ginclude/iso646.h: Likewise.
+ * ginclude/stdarg.h: Likewise.
+ * ginclude/stdbool.h: Likewise.
+ * ginclude/stddef.h: Likewise.
+ * ginclude/stdfix.h: Likewise.
+ * ginclude/stdint-gcc.h: Likewise.
+ * ginclude/tgmath.h: Likewise.
+ * gthr-aix.h: Likewise.
+ * gthr-dce.h: Likewise.
+ * gthr-gnat.c: Likewise.
+ * gthr-gnat.h: Likewise.
+ * gthr-lynx.h: Likewise.
+ * gthr-mipssde.h: Likewise.
+ * gthr-nks.h: Likewise.
+ * gthr-posix.c: Likewise.
+ * gthr-posix.h: Likewise.
+ * gthr-posix95.h: Likewise.
+ * gthr-rtems.h: Likewise.
+ * gthr-single.h: Likewise.
+ * gthr-solaris.h: Likewise.
+ * gthr-tpf.h: Likewise.
+ * gthr-vxworks.h: Likewise.
+ * gthr-win32.h: Likewise.
+ * gthr.h: Likewise.
+ * libgcc2.c: Likewise.
+ * libgcc2.h: Likewise.
+ * libgcov.c: Likewise.
+ * tsystem.h: Likewise.
+ * typeclass.h: Likewise.
+ * unwind-c.c: Likewise.
+ * unwind-compat.h: Likewise.
+ * unwind-dw2-fde-compat.c: Likewise.
+ * unwind-dw2-fde-darwin.c: Likewise.
+ * unwind-dw2-fde-glibc.c: Likewise.
+ * unwind-dw2-fde.c: Likewise.
+ * unwind-dw2-fde.h: Likewise.
+ * unwind-dw2.c: Likewise.
+ * unwind-dw2.h: Likewise.
+ * unwind-generic.h: Likewise.
+ * unwind-pe.h: Likewise.
+ * unwind-sjlj.c: Likewise.
+ * unwind.inc: Likewise.
+ * config/arm/neon-gen.ml: Change generated copyright header to
+ refer to version 3 of the GNU General Public License with
+ version 3.1 of the GCC Runtime Library Exception and to point
+ readers at the COPYING3 and COPYING3.RUNTIME files and the
+ FSF's license web page.
+ * config/arm/arm_neon.h: Regenerate.
+
+2009-04-09 Jakub Jelinek <jakub@redhat.com>
+
+ * config/cris/cris.md: Change copyright header to refer to version
+ 3 of the GNU General Public License.
+ * doc/install.texi2html: Change copyright header to refer to version
+ 3 of the GNU General Public License and to point readers at the
+ COPYING3 file and the FSF's license web page.
+ * config/vax/linux.h: Likewise.
+
+2009-04-09 Paolo Bonzini <bonzini@gnu.org>
+
+ * config/i386/i386.md (cmpcc): New.
+ * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
+ (sync_compare_and_swap_cc*): Delete.
+
+ * config/s390/s390.c (s390_compare_emitted): Remove.
+ (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
+ s390_compare_emitted used to be handled. Assert that modes match.
+ (s390_emit_compare_and_swap): Use s390_emit_compare, do not
+ refer to sync_compare_and_swap_ccsi.
+ * config/s390/s390.h (s390_compare_emitted): Remove.
+ * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
+ instead of s390_compare_emitted.
+ (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
+ instead of s390_compare_emitted.
+ * config/s390/s390.md (cmpcc): New.
+ (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
+ CC_REGNUM, do not pretend it's set.
+ (sync_compare_and_swap_cc*): Delete.
+ * config/s390/predicates.md (cc_reg_operand): New.
+
+ * expr.c (sync_compare_and_swap_cc): Delete.
+ * optabs.h (sync_compare_and_swap_cc): Delete.
+ * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
+ is being used with can_compare_p.
+ (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
+ (find_cc_set): New.
+ (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
+ look for a MODE_CC set instead. Use emit_store_flag.
+ (expand_compare_and_swap_loop): Likewise, with some additional
+ complication to avoid a force_reg when useless. Use
+ emit_cmp_and_jump_insns.
+ * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
+ * doc/md.texi (sync_compare_and_swap_cc): Merge with
+ sync_compare_and_swap documentation.
+
+2009-04-09 Jan Hubicka <jh@suse.cz>
+
+ * except.c (find_prev_try): Break out from ....
+ (duplicate_eh_regions): ... here; properly update prev_try pointers
+ when duplication part of tree.
+ (dump_eh_tree): Improve dumping.
+ (verify_eh_region): New.
+ (verify_eh_tree): Use it.
+
+2009-04-06 Richard Guenther <rguenther@suse.de>
+
+ * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
+ &ARRAY addresses by adjusting their types and prepending
+ a conversion.
+ * tree-cfg.c (verify_gimple_assign_single): Verify that
+ addresses are correct.
+
+2009-04-09 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
+ indices into an array reference if possible.
+ * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
+ Fold POINTER_PLUS_EXPR statements with invariant address.
+
+2009-04-09 Alan Modra <amodra@bigpond.net.au>
+
+ PR target/39634
+ * config.gcc (powerpc64-*-linux*): Always build biarch.
+
+2009-04-09 Joseph Myers <joseph@codesourcery.com>
+
+ PR c/39613
+ * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
+ it and pedwarn if this results in an INTEGER_CST.
+
+2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * doc/install.texi: Update minimum GMP version. Remove obsolete
+ text in MPFR section.
+
+2009-04-08 Jakub Jelinek <jakub@redhat.com>
+
+ * dwarf2out.c (class_scope_p): New static inline.
+ (class_or_namespace_scope_p): Use it.
+ (gen_variable_die): Use DW_TAG_member tag for static data member
+ declarations instead of DW_TAG_variable.
+
+ PR middle-end/39573
+ * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
+ variables.
+
+2009-04-08 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-sccvn.c (valueize_refs): Do not continue to
+ valueize random data.
+
+2009-04-08 David Edelsohn <edelsohn@gnu.org>
+
+ * config.gcc (aix tm_file): Add aix-stdint.h.
+ (aix tm clause use_gcc_stdint): Set to wrap.
+ * config/rs6000/aix-stdint.h: New file.
+
+2009-04-08 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/36291
+ * tree-dfa.c (add_referenced_var): Do not recurse into
+ global initializers.
+ * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
+ exposed variables.
+ (fold_const_aggregate_ref): Likewise.
+
+2009-04-08 Paolo Bonzini <bonzini@gnu.org>
+
+ * recog.c (ordered_comparison_operator): New.
+ * gensupport.c (std_preds): Add it.
+ * doc/md.texi (Machine-Independent Predicates): Document it.
+
+2009-04-08 Jan Hubicka <jh@suse.cz>
+
+ * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
+ * function.h (rtl_eh): Remove exception_handler_label_map.
+ * except.c (ehl_hash, ehl_eq, add_ehl_entry,
+ remove_exception_handler_label, for_each_eh_label_1): Remove.
+ (rtl_remove_unreachable_regions): Remove.
+ (convert_from_eh_region_ranges): Do not remove unreachable regions.
+ (find_exception_handler_labels): Don't build the hashtable.
+ (maybe_remove_eh_handler): Remove.
+ (for_each_eh_label): Rewrite to walk the tree.
+ (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
+ * except.h (maybe_remove_eh_handler): Remove.
+ * passes.c (init_optimization_passes): Schedule second EH cleanup
+ before out-of-ssa.
+ * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
+ cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
+
+2009-04-08 Paolo Bonzini <bonzini@gnu.org>
+
+ * genoutput.c (validate_optab_operands): New.
+ (gen_insn, gen_expand): Call it.
+
+ * genflags.c (gen_insn): Detect misused iterators.
+ (main): Pass line_no to gen_insn, exit with status 1 on error.
+
+ * genextract.c (line_no): Make global.
+ (VEC_safe_set_locstr): Change assertion to error message.
+ (main): Exit with status 1 on error.
+
+2009-04-08 Joseph Myers <joseph@codesourcery.com>
+
+ PR c/39614
+ PR c/39673
+ * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
+ C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
+ EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
+ * c-convert.c (convert): Do not call fold on results of conversion
+ functions when the result is a C_MAYBE_CONST_EXPR.
+ * c-parser.c (c_parser_postfix_expression): Do not fold condition
+ of __builtin_choose_expr.
+ * c-typeck.c (remove_c_maybe_const_expr): New.
+ (build_unary_op, build_conditional_expr, build_compound_expr,
+ build_binary_op, c_objc_common_truthvalue_conversion): Call
+ remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
+ integer operands.
+
+2009-04-08 Bingfeng Mei <bmei@broadcom.com>
+
+ * fold-const.c (const_binop): Combine two VECTOR_CST under operation
+ CODE to produce a new one. Add a prototype to use fold_convert_const
+
+2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
+
+ PR bootstrap/39660
+ * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
+ mix declarations and code.
+
+2009-04-08 Ben Elliston <bje@au.ibm.com>
+
+ * gcc.c: Replace `CC' with `GCC' throughout.
+
+2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
+
+ * doc/invoke.texi: Document Atom support.
+
+2009-04-07 Jason Merrill <jason@redhat.com>
+
+ PR c++/25185
+ * c-common.h, c-common.c: Add flag_pretty_templates.
+ * c-opts.c (c_common_handle_option): Set it.
+ * c.opt: Add -fno-pretty-templates.
+ * doc/invoke.texi (C++ Dialect Options): Likewise.
+
+2009-04-07 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
+ (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
+ (ia64_expand_builtin): Likewise.
+
+2009-04-07 Martin Jambor <mjambor@suse.cz>
+
+ * tree-ssa-alias.c (refs_may_alias_p_1): Check for
+ is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
+ ADDR_EXPRS are include too.
+
+2009-04-07 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
+ decls are only used if passes as parameters or if they are
+ local statics and the call is not to a builtin.
+ (call_may_clobber_ref_p_1): Likewise.
+
+2009-04-07 Paolo Bonzini <bonzini@gnu.org>
+
+ * expr.c (do_store_flag): Remove last argument. Simplify code
+ to avoid duplication of tests already done by can_compare_p.
+ (expand_expr_real_1): Adjust caller.
+
+2009-04-07 Paolo Bonzini <bonzini@gnu.org>
+
+ * optabs.c (can_compare_p): Test the predicate of a
+ cbranch and cstore pattern.
+
+2009-04-07 Paolo Bonzini <bonzini@gnu.org>
+
+ * expr.c (convert_move): Use emit_store_flag instead of
+ "emulating" it.
+
+2009-04-07 Paolo Bonzini <bonzini@gnu.org>
+
+ * config/i386/i386.c (ix86_compare_emitted): Remove.
+ (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
+ ix86_compare_op0 like ix86_compare_emitted used to be handled.
+ * config/i386/i386.h (ix86_compare_emitted): Remove.
+ * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
+ instead of ix86_compare_emitted.
+ * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
+
+2009-04-07 Andrew Stubbs <ams@codesourcery.com>
+
+ * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
+ Add t-sysroot-suffix to tmake_file.
+ * config/print-sysroot-suffix.sh: New file.
+ * config/t-sysroot-suffix: New file.
+
+2009-04-07 Ben Elliston <bje@au.ibm.com>
+
+ * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
+ as the latter produces a warning when the target does not support
+ infinity.
+
+2009-04-07 Ben Elliston <bje@au.ibm.com>
+
+ * dfp.c: Replace type punning assignments with memcpy throughout.
+ * Makefile.in (dfp.o-warn): Remove.
+
+2009-04-07 Alan Modra <amodra@bigpond.net.au>
+
+ PR target/39634
+ * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
+ Include soft-fp/t-softfp after rs6000/t-linux64.
+
+2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
+
+ * stor-layout.c (set_sizetype): Use the full precision of their
+ machine mode for bitsize types.
+
+2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.md: Revert 2 accidental checkins.
+
2009-04-06 Joey Ye <joey.ye@intel.com>
Xuepeng Guo <xuepeng.guo@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
(vect_do_peeling_for_alignment): Adjust. Unconditionally apply
the cost model check.
(vect_loop_versioning): Take stmt and stmt list to put pre-condition
- guards if we are going to peel. Do not apply versioning in that
- case.
+ guards if we are going to peel. Do not apply versioning in that case.
* tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
(vect_do_peeling_for_loop_bound): Likewise.
* tree-vect-loop.c (vect_transform_loop): If we are peeling for
PR rtl-optimization/39607
PR rtl-optimization/39631
- Revert
+
+ Revert:
+
2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
* reload.c (push_reload, find_dummy_reload): Use df_get_live_out
instead of DF_LR_OUT.
(record_equivalences_from_stmt): Likewise.
(avail_expr_hash): Likewise.
(avail_expr_eq): Likewise.
- * tree-ssa-propagate.c (update_call_from_tree): Properly
- update VOPs.
+ * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
(stmt_makes_single_load): Likewise.
(stmt_makes_single_store): Likewise.
* tree-ssa-alias.c: Rewrite completely.
(PARAM_AVG_ALIASED_VOPS): Likewise.
* tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
(duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
- * tree-ssa-operands.c: Simplify for new virtual operand
- representation.
+ * tree-ssa-operands.c: Simplify for new virtual operand representation.
(operand_build_cmp, copy_virtual_operands,
create_ssa_artificial_load_stmt, add_to_addressable_set,
gimple_add_to_addresses_taken): Remove public functions.
Also, make sure the function properly sets TYPE_STUB_DECL() on
the newly created typedef variant type.
* c-common.h (is_typedef_decl, set_underlying_type): Declare ...
- * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
+ * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
+ points.
2009-04-02 Richard Guenther <rguenther@suse.de>
* config/i386/i386.c (legitimate_constant_p): Recognize
all one vector constant.
-2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
+2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
* gcc/config/vax/vax.c: Add #includes to silence warnings.
Change #include order to silence two warnings.
-2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
+2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
* gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
(ASM_SPEC): Pass -k to the assembler for PIC code.
-2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
+2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
* gcc/config.gcc: Add vax-*-linux* to the switch.
* gcc/config/vax/linux.h: New file. (TARGET_VERSION,
TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
-2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
+2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
* gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
Use predicate macros instead of GET_CODE() == foo.
* gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
ashlsi3, rotrsi3, <unnamed>): Likewise.
-2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
+2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
* gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
jbbccihi, jbbccisi): Remova trailing whitespace.
* gcc/config/vax/vax.h: Likewise.
* gcc/config/vax/vax.md (nonlocal_goto): Likewise.
-2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
+2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
* gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
(indirectable_address_p, adjacent_operands_p): Add spaces around
braces.
* gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
-2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
+2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
* gcc/config/vax/vax.c (legitimate_constant_address_p,
legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
vax_mode_dependent_address_p): Update comments to match functions
modified by the recent int->bool conversion.
-2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
+2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
* gcc/config/vax/builtins.md: Update copyright message.
* gcc/config/vax/constraints.md: Likewise.
* gcc/config/vax/vax.md: Likewise.
* gcc/config/vax/vax.opt: Likewise.
-2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
+2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
* gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
* gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
untyped_call): Likewise.
-2009-04-01 Matt Thomas <matt@3am-software.com>
+2009-04-01 Matt Thomas <matt@3am-software.com>
- * config/vax/predicates.md: New file. (symbolic_operand,
- local_symbolic_operand, external_symbolic_operand,
+ * config/vax/predicates.md: New file.
+ (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
external_const_operand, nonsymbolic_operand, external_memory_operand,
indirect_memory_operand, indexed_memory_operand,
illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
nonimmediate_addsub_di_operand, general_addsub_di_operand): New
predicate.
- * config/vax/constraints.md: New file. (Z0, U06, U08, U16, CN6, S08,
- S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
- * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
- sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
- sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
+ * config/vax/constraints.md: New file.
+ (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
+ New constraint.
+ * config/vax/builtins.md: New file.
+ (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
+ jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
+ jbbccisi): Define.
* config/vax/vax.opt (mqmath): Add option.
* config/vax/vax.md (isfx): Extend with DI.
(VAXintQH, VAXintQHSD): Define.
ASM_OUTPUT_DWARF_PCREL): Define.
(ASM_SPEC): Change definition to allow PIC generation.
+2009-04-01 Steve Ellcey <sje@cup.hp.com>
+
+ * doc/sourcebuild.texi: Update front-end requirements.
+
2009-04-01 Jakub Jelinek <jakub@redhat.com>
PR target/39226
2009-04-01 Rafael Avila de Espindola <espindola@google.com>
- * varasm.c (default_function_rodata_section): Declare DOT as const char*.
+ * varasm.c (default_function_rodata_section): Declare DOT as
+ const char*.
2009-04-01 Kai Tietz <kai.tietz@onevision.com>
Andrey Galkin <agalkin@hypercom.com>
2009-03-31 Joseph Myers <joseph@codesourcery.com>
* c-common.c (c_get_ident): New.
- (c_common_nodes_and_builtins): Call it for type names that may be
- NULL.
+ (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2009-04-01 Ben Elliston <bje@au.ibm.com>
2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
- PR target/27237
+ PR target/27237
* doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2009-03-31 Richard Guenther <rguenther@suse.de>
2009-03-30 Paolo Bonzini <bonzini@gnu.org>
- * combine.c (simplify_comparison): Use have_insn_for.
- * dojump.c (do_jump): Likewise.
+ * combine.c (simplify_comparison): Use have_insn_for.
+ * dojump.c (do_jump): Likewise.
2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2009-03-30 Paolo Bonzini <bonzini@gnu.org>
- * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
- Provide/destroy PROP_cfglayout respectively.
- * gcse.c (pass_jump_bypass, pass_gcse): Require it.
- * tree-pass.h (PROP_cfglayout): New.
+ * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
+ Provide/destroy PROP_cfglayout respectively.
+ * gcse.c (pass_jump_bypass, pass_gcse): Require it.
+ * tree-pass.h (PROP_cfglayout): New.
2009-03-30 Paolo Bonzini <bonzini@gnu.org>
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