+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>
+
+ Atom pipeline model, tuning and insn selection.
+ * config.gcc (atom): Add atom config options and target.
+
+ * config/i386/atom.md: New.
+
+ * config/i386/i386.c (atom_cost): New cost.
+ (m_ATOM): New macro flag.
+ (initial_ix86_tune_features): Set m_ATOM.
+ (x86_accumulate_outgoing_args): Likewise.
+ (x86_arch_always_fancy_math_387): Likewise.
+ (processor_target): Add Atom cost.
+ (cpu_names): Add Atom cpu name.
+ (override_options): Set Atom ISA.
+ (ix86_issue_rate): New case PROCESSOR_ATOM.
+ (ix86_adjust_cost): Likewise.
+
+ * config/i386/i386.h (TARGET_ATOM): New target macro.
+ (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
+ (TARGET_OPT_AGU): New target option.
+ (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
+ (processor_type): Add PROCESSOR_ATOM.
+
+ * config/i386/i386.md (cpu): Add new value "atom".
+ (use_carry, movu): New attr.
+ (atom.md): Include atom.md.
+ (adddi3_carry_rex64): Set attr "use_carry".
+ (addqi3_carry): Likewise.
+ (addhi3_carry): Likewise.
+ (addsi3_carry): Likewise.
+ (*addsi3_carry_zext): Likewise.
+ (subdi3_carry_rex64): Likewise.
+ (subqi3_carry): Likewise.
+ (subhi3_carry): Likewise.
+ (subsi3_carry): Likewise.
+ (x86_movdicc_0_m1_rex64): Likewise.
+ (*x86_movdicc_0_m1_se): Likewise.
+ (x86_movsicc_0_m1): Likewise.
+ (*x86_movsicc_0_m1_se): Likewise.
+ (*adddi_1_rex64): Emit add insn as much as possible.
+ (*addsi_1): Likewise.
+ (return_internal): Set atom_unit.
+ (return_internal_long): Likewise.
+ (return_pop_internal): Likewise.
+ (*rcpsf2_sse): Set atom_sse_attr attr.
+ (*qrt<mode>2_sse): Likewise.
+ (*prefetch_sse): Likewise.
+
+ * config/i386/i386-c.c (ix86_target_macros_internal): New case
+ PROCESSOR_ATOM.
+ (ix86_target_macros_internal): Likewise.
+
+ * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
+ (*prefetch_sse_rex): Likewise.
+ (sse_rcpv4sf2): Likewise.
+ (sse_vmrcpv4sf2): Likewise.
+ (sse_sqrtv4sf2): Likewise.
+ (<sse>_vmsqrt<mode>2): Likewise.
+ (sse_ldmxcsr): Likewise.
+ (sse_stmxcsr): Likewise.
+ (*sse_sfence): Likewise.
+ (sse2_clflush): Likewise.
+ (*sse2_mfence): Likewise.
+ (*sse2_lfence): Likewise.
+ (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
+ (<sse>_movup<ssemodesuffixf2c>): Likewise.
+ (avx_movdqu<avxmodesuffix>): Likewise.
+ (avx_lddqu<avxmodesuffix>): Likewise.
+ (sse2_movntv2di): Change attr "type" to "ssemov".
+ (sse2_movntsi): Likewise.
+ (rsqrtv8sf2): Change attr "type" to "sseadd".
+ (sse3_addsubv2df3): Set attr "atom_unit".
+ (sse3_h<plusminus_insn>v4sf3): Likewise.
+ (*sse2_pmaddwd): Likewise.
+ (*vec_extractv2di_1_rex64): Likewise.
+ (*vec_extractv2di_1_avx): Likewise.
+ (sse2_psadbw): Likewise.
+ (ssse3_phaddwv8hi3): Likewise.
+ (ssse3_phaddwv4hi3): Likewise.
+ (ssse3_phadddv4si3): Likewise.
+ (ssse3_phadddv2si3): Likewise.
+ (ssse3_phaddswv8hi3): Likewise.
+ (ssse3_phaddswv4hi3): Likewise.
+ (ssse3_phsubwv8hi3): Likewise.
+ (ssse3_phsubwv4hi3): Likewise.
+ (ssse3_phsubdv4si3): Likewise.
+ (ssse3_phsubdv2si3): Likewise.
+ (ssse3_phsubswv8hi3): Likewise.
+ (ssse3_phsubswv4hi3): Likewise.
+ (ssse3_pmaddubsw128): Likewise.
+ (sse3_pmaddubsw: Likewise.
+ (ssse3_palignrti): Likewise.
+ (ssse3_palignrdi): Likewise.
+
+2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * doc/install.texi (Specific): Fix two cross-references to MinGW.
+
+2009-04-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/28868
+ * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
+ of which PHI results we inserted.
+ (insert_into_preds_of_block): Record inserted PHIs.
+ (eliminate): Eliminate redundant PHI nodes.
+ (init_pre): Init inserted_phi_names.
+
+2009-04-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/39643
+ * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
+ IMAGPART_EXPRs of complex constants.
+ (execute_fold_all_builtins): If we folded a call queue
+ TODO_update_address_taken.
+
+2009-04-06 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/39659
+ * except.c (remove_unreachable_regions): Propagate may_contain_throw
+ flag.
+
+2009-04-06 Andrew Stubbs <ams@codesourcery.com>
+
+ * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
+ delay slot.
+ (ic_invalidate_array): Likewise.
+
+2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
+
+ * calls.c (emit_library_call_value_1): Fix a problem with parameter
+ alignment for library calls.
+
+2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
+ (mingw32 tm clause use_gcc_stdint): Set to wrap.
+ * config/i386/mingw-stdint.h: New file.
+
+2009-04-05 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/39648
+ * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
+ our &A vs. &A[0] IL deficiencies.
+
+2009-04-04 Jan Hubicka <jh@suse.cz>
+
+ * except.c (sjlj_find_directly_reachable_regions): Be ready for
+ removed toplevel regions.
+ (sjlj_mark_call_sites): Likewise.
+
+2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
+
+ * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
+ (cygwin tm clause use_gcc_stdint): Set to wrap.
+ * config/i386/cygwin-stdint.h: New file.
+
+2009-04-04 Richard Guenther <rguenther@suse.de>
+
+ * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
+ * tree-ssa-copy.c (init_copy_prop): Do not propagate through
+ single-argument PHIs if we are in loop-closed SSA form.
+ * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
+ for the pre-condition.
+ (slpeel_tree_peel_loop_to_edge): Likewise.
+ (vect_build_loop_niters): Take an optional sequence to append stmts.
+ (vect_generate_tmps_on_preheader): Likewise.
+ (vect_do_peeling_for_loop_bound): Take extra guards for the
+ pre-condition.
+ (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.
+ * 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
+ loop bound only record extra pre-conditions, do not apply loop
+ versioning.
+
+2009-04-04 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
+ renaming code.
+
+2009-04-04 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
+ last_basic_block for size of bb->index indexed array.
+ * bt-load.c (compute_defs_uses_and_gen, compute_kill,
+ compute_out, link_btr_uses, build_btr_def_use_webs,
+ build_btr_def_use_webs, migrate_btr_defs): Likewise.
+
+2009-04-04 Jan Hubicka <jh@suse.cz>
+
+ * except.c (remove_eh_handler_and_replace): Break out from ...
+ (remove_eh_handler): ... here.
+ (bring_to_root): New function.
+ (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
+ handled ones, bring others to root of tree.
+
+2009-04-04 Jan Hubicka <jh@suse.cz>
+
+ * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
+ (all_phis_safe_to_merge): New function.
+ (update_info): New structure.
+ (make_eh_edge_and_update_phi, update_eh_edges): New functions.
+ (cleanup_empty_eh): Update SSA if possible.
+
+2009-04-04 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
+ * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
+ (append_vuse): Likewise.
+
+2009-04-04 Jakub Jelinek <jakub@redhat.com>
+
+ * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
+ * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
+ instead of REG_UNSAVED for DW_CFA_undefined.
+ (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
+ (uw_update_context): If RA column is REG_UNDEFINED, mark it as
+ outermost frame.
+
+2009-04-04 Richard Earnshaw <rearnsha@arm.com>
+
+ PR target/39501
+ * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
+ * testsuite/gcc.c-torture/execute/pr39501.c: New file.
+ * testsuite/gcc.c-torture/execute/pr39501.x: New file.
+
+2009-04-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/8781
+ PR tree-optimization/37892
+ * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
+ * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
+ (valueize_refs): Call it for *& valueizations.
+ (shared_reference_ops_from_ref): Rename to ...
+ (valueize_shared_reference_ops_from_ref): ... this and valueize.
+ (shared_reference_ops_from_call): Rename to ...
+ (valueize_shared_reference_ops_from_call): ... this and valueize.
+ (vn_reference_lookup): Update.
+ (visit_reference_op_call): Likewise.
+ * tree-ssa-pre.c (phi_translate_1): Fold *&.
+ (eliminate): Value-replace the call address in call statements.
+
+2009-04-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/39636
+ * tree-ssa-forwprop.c
+ (forward_propagate_addr_into_variable_array_index): Check for
+ GIMPLE_ASSIGN before accessing the rhs code.
+
+2009-04-03 Jason Merrill <jason@redhat.com>
+
+ * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
+
+2009-04-03 Steve Ellcey <sje@cup.hp.com>
+
+ * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
+ truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
+ fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
+ floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
+ fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
+ smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
+ divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
+ umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
+ *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
+ *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
+ adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
+ smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
+ *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
+ *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
+ sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
+ Use fr_reg_or_fp01_operand instead of fr_register_operand
+
+ * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
+ recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
+ divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
+
+2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/39607
+ PR rtl-optimization/39631
+
+ 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.
+ * ira-lives.c (process_bb_node_lives): Ditto.
+ * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
+ instead of DF_LR_{OUT,IN}.
+ * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
+ * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
+
+2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
+
+ * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
+ (execute_lower_omp): Always run but take the short way out if -fopenmp
+ is not given.
+ (gate_lower_omp): Remove, forcing the pass manager to always run the
+ pass and always set PROP_gimple_lomp.
+ (pass_lower_omp): Remove gate function.
+ * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
+ PROP_trees. Instead, require it.
+ * ipa-cp.c (pass_ipa_cp): Likewise.
+ * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
+ (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
+ * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
+ and PROP_gimple_leh.
+
+2009-04-03 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/13146
+ PR tree-optimization/23940
+ PR tree-optimization/33237
+ PR middle-end/33974
+ PR middle-end/34093
+ PR tree-optimization/36201
+ PR tree-optimization/36230
+ PR tree-optimization/38049
+ PR tree-optimization/38207
+ PR tree-optimization/38230
+ PR tree-optimization/38301
+ PR tree-optimization/38585
+ PR middle-end/38895
+ PR tree-optimization/38985
+ PR tree-optimization/39299
+ * tree-ssa-structalias.h: Remove.
+ * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
+ (NULL_DEF_OPERAND_P): Make of type def_operand_p.
+ (struct vuse_element_d): Remove.
+ (struct vuse_vec_d): Likewise.
+ (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
+ VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
+ SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
+ VUSE_ELEMENT_VAR): Likewise.
+ (struct voptype_d): Likewise.
+ (NUM_VOP_FREE_BUCKETS): Likewise.
+ (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
+ (struct stmt_operands_d): Remove.
+ (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
+ VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
+ VDEF_NUM, VDEF_VECT): Likewise.
+ (copy_virtual_operands): Remove.
+ (operand_build_cmp): Likewise.
+ (create_ssa_artificial_load_stmt): Likewise.
+ (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
+ (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
+ vuse_index and mayuse_index members. Pack and move done and iter_type
+ members to the front.
+ (SSA_OP_VMAYUSE): Remove.
+ (SSA_OP_VIRTUAL_USES): Adjust.
+ (FOR_EACH_SSA_VDEF_OPERAND): Remove.
+ (unlink_stmt_vdef): Declare.
+ (add_to_addressable_set): Remove.
+ * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
+ (vrp_visit_stmt): Likewise.
+ * doc/tree-ssa.texi (Alias analysis): Update.
+ * doc/invoke.texi (max-aliased-vops): Remove docs.
+ (avg-aliased-vops): Likewise.
+ * tree-into-ssa.c (syms_to_rename): Remove.
+ (need_to_update_vops_p): Likewise.
+ (need_to_initialize_update_ssa_p): Rename to ...
+ (update_ssa_initialized_fn): ... this. Track function we are
+ initialized for.
+ (symbol_marked_for_renaming): Simplify.
+ (add_new_name_mapping): Do not set need_to_update_vops_p.
+ (dump_currdefs): Use SYMS_TO_RENAME.
+ (rewrite_update_stmt): Always walk all uses/defs.
+ (dump_update_ssa): Adjust.
+ (init_update_ssa): Take function argument. Track what we are
+ initialized for.
+ (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
+ (create_new_def_for): Initialize for cfun, assert we are initialized
+ for cfun.
+ (mark_sym_for_renaming): Simplify.
+ (mark_set_for_renaming): Do not initialize update-ssa.
+ (need_ssa_update_p): Simplify. Take function argument.
+ (name_mappings_registered_p): Assert we ask for the correct function.
+ (name_registered_for_update_p): Likewise.
+ (ssa_names_to_replace): Likewise.
+ (release_ssa_name_after_update_ssa): Likewise.
+ (update_ssa): Likewise. Use SYMS_TO_RENAME.
+ (dump_decl_set): Do not print a newline.
+ (debug_decl_set): Do it here.
+ (dump_update_ssa): And here.
+ * tree-ssa-loop-im.c (move_computations): Adjust.
+ (movement_possibility): Likewise.
+ (determine_max_movement): Likewise.
+ (gather_mem_refs_stmt): Likewise.
+ * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
+ or NAME_MEMORY_TAG.
+ * tree-complex.c (update_all_vops): Remove.
+ (expand_complex_move): Adjust.
+ * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
+ Simplify test for memory referencing statement. Exclude
+ non-invariant ADDR_EXPRs.
+ * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
+ * tree-loop-distribution.c (generate_memset_zero): Adjust.
+ (rdg_flag_uses): Likewise.
+ * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
+ related code.
+ (tree_optimize_tail_calls_1): Also split the
+ edge from the entry block if we have degenerate PHI nodes in
+ the first basic block.
+ * tree.c (init_ttree): Remove memory-tag related code.
+ (tree_code_size): Likewise.
+ (tree_node_structure): Likewise.
+ (build7_stat): Re-write to be build6_stat.
+ * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
+ (SSA_VAR_P): Adjust.
+ (struct tree_memory_tag): Remove.
+ (struct tree_memory_partition_tag): Likewise.
+ (union tree_node): Adjust.
+ (build7): Re-write to be build6.
+ * tree-pass.h (pass_reset_cc_flags): Remove.
+ (TODO_update_address_taken): New flag.
+ (pass_simple_dse): Remove.
+ * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
+ * params.h (MAX_ALIASED_VOPS): Remove.
+ (AVG_ALIASED_VOPS): Likewise.
+ * omp-low.c (expand_omp_taskreg): Update SSA form.
+ * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
+ aliases the lhs in a copy stmt.
+ * tree-ssa-dse.c (struct address_walk_data): Remove.
+ (memory_ssa_name_same): Likewise.
+ (memory_address_same): Likewise.
+ (get_kill_of_stmt_lhs): Likewise.
+ (dse_possible_dead_store_p): Simplify, use the oracle. Handle
+ unused stores. Look through PHI nodes into post-dominated regions.
+ (dse_optimize_stmt): Simplify. Properly remove stores.
+ (tree_ssa_dse): Compute dominators.
+ (execute_simple_dse): Remove.
+ (pass_simple_dse): Likewise.
+ * ipa-reference.c (scan_stmt_for_static_refs): Open-code
+ gimple_loaded_syms and gimple_stored_syms computation.
+ * toplev.c (dump_memory_report): Dump alias and pta stats.
+ * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
+ (vn_reference_eq): Likewise.
+ (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
+ copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
+ valueize_vuses): Remove.
+ (get_def_ref_stmt_vuses): Simplify. Rename to ...
+ (get_def_ref_stmt_vuse): ... this.
+ (vn_reference_lookup_2): New function.
+ (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
+ walking equivalent vuses. Simplify.
+ (vn_reference_lookup): Likewise.
+ (vn_reference_insert): Likewise.
+ (vn_reference_insert_pieces): Likewise.
+ (visit_reference_op_call): Simplify.
+ (visit_reference_op_load): Likewise.
+ (visit_reference_op_store): Likewise.
+ (init_scc_vn): Remove shared_lookup_vuses initialization.
+ (free_scc_vn): Remove shared_lookup_vuses freeing.
+ (sort_vuses, sort_vuses_heap): Remove.
+ (get_ref_from_reference_ops): Export.
+ * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
+ vector with single vuse pointer.
+ (vn_reference_lookup_pieces, vn_reference_lookup,
+ vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
+ (shared_vuses_from_stmt): Remove.
+ (get_ref_from_reference_ops): Declare.
+ * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
+ * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
+ memory-tag related code.
+ * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
+ (likely_value): Add comment, skip static-chain of call statements.
+ (surely_varying_stmt_p): Adjust.
+ (gimplify_and_update_call_from_tree): Likewise.
+ (execute_fold_all_builtins): Do not rebuild alias info.
+ (gimplify_and_update_call_from_tree): Properly update VOPs.
+ * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
+ (copy_ref_info): Remove memory-tag related code.
+ * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
+ * ipa-pure-const.c (check_decl): Remove memory-tag related code.
+ (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
+ computation.
+ * tree-ssa-dom.c (gimple_p): Remove typedef.
+ (eliminate_redundant_computations): Adjust.
+ (record_equivalences_from_stmt): Likewise.
+ (avail_expr_hash): Likewise.
+ (avail_expr_eq): Likewise.
+ * 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.
+ (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
+ debug_mem_sym_stats, dump_mem_sym_stats_for_var,
+ debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
+ delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
+ dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
+ Remove public functions.
+ (pass_reset_cc_flags): Remove.
+ (pass_build_alias): Move ...
+ * tree-ssa-structalias.c (pass_build_alias): ... here.
+ * tree-ssa-alias.c (may_be_aliased): Move ...
+ * tree-flow-inline.h (may_be_aliased): ... here.
+ tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
+ count_uses_and_derefs): Move ...
+ * gimple.c: ... here.
+ * gimple.h (count_uses_and_derefs): Declare.
+ * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
+ ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
+ same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
+ indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
+ ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
+ call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
+ get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
+ New functions.
+ * tree-dfa.c (refs_may_alias_p): Move ...
+ * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
+ * tree-ssa-alias.h: New file.
+ * tree-ssa-sink.c (is_hidden_global_store): Adjust.
+ (statement_sink_location): Likewise.
+ * opts.c (decode_options): Do not adjust max-aliased-vops or
+ avg-aliased-vops values.
+ * timevar.def (TV_TREE_MAY_ALIAS): Remove.
+ (TV_CALL_CLOBBER): Likewise.
+ (TV_FLOW_SENSITIVE): Likewise.
+ (TV_FLOW_INSENSITIVE): Likewise.
+ (TV_MEMORY_PARTITIONING): Likewise.
+ (TV_ALIAS_STMT_WALK): New timevar.
+ * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
+ * tree-ssa-address.c (create_mem_ref_raw): Use build6.
+ (get_address_description): Remove memory-tag related code.
+ * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
+ * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
+ * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
+ and immediate uses in statements. Document.
+ * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
+ (dump_symbols): Remove.
+ (dump_gimple_mem_ops): Do not dump loaded or stored syms.
+ * alias.c (get_deref_alias_set): New function split out from ...
+ (get_alias_set): ... here.
+ * alias.h (get_deref_alias_set): Declare.
+ * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
+ type parameter. Remove restrict pointer handling. Create a
+ ref-all pointer in case type-based alias sets do not conflict.
+ (vect_analyze_data_refs): Remove SMT related code.
+ * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
+ (vectorizable_load): Likewise.
+ * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
+ (DR_SYMBOL_TAG, DR_VOPS): Remove.
+ * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
+ Ignore vops and SMTs.
+ (dr_analyze_alias): Likewise..
+ (free_data_ref): Likewise.
+ (create_data_ref): Likewise.
+ (analyze_all_data_dependences): Likewise.
+ (get_references_in_stmt): Adjust.
+ * tree-flow-inline.h (gimple_aliases_computed_p,
+ gimple_addressable_vars, gimple_call_clobbered_vars,
+ gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
+ factoring_name_p, mark_call_clobbered, clear_call_clobbered,
+ compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
+ gimple_mem_ref_stats): Remove.
+ (gimple_vop): New function.
+ (op_iter_next_use): Remove vuses and mayuses cases.
+ (op_iter_next_def): Remove vdefs case.
+ (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
+ (clear_and_done_ssa_iter): Do not set removed fields.
+ (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
+ Assert we are not iterating over vuses or vdefs if not also
+ iterating over uses or defs.
+ (op_iter_init_use): Likewise.
+ (op_iter_init_def): Likewise.
+ (op_iter_next_vdef): Remove.
+ (op_iter_next_mustdef): Likewise.
+ (op_iter_init_vdef): Likewise.
+ (compare_ssa_operands_equal): Likewise.
+ (link_use_stmts_after): Handle vuse operand.
+ (is_call_used): Use is_call_clobbered.
+ (is_call_clobbered): Global variables are always call clobbered,
+ query the call-clobbers bitmap.
+ (mark_call_clobbered): Ignore global variables.
+ (clear_call_clobbered): Likewise.
+ * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
+ virtual operands sanity check.
+ * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
+ Remove.
+ (TARGET_MEM_REF): Remove TMR_TAG operand.
+ * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
+ Remove call-clobber related code.
+ (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
+ (dump_variable): Do not dump SMTs, memory stats, may-aliases or
+ partitions or escape reason.
+ (get_single_def_stmt, get_single_def_stmt_from_phi,
+ get_single_def_stmt_with_phi): Remove.
+ (dump_referenced_vars): Tidy.
+ (get_ref_base_and_extent): Allow bare decls.
+ (collect_dfa_stats): Adjust.
+ * graphite.c (rename_variables_in_stmt): Adjust.
+ (graphite_copy_stmts_from_block): Likewise.
+ (translate_clast): Likewise.
+ * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
+ (EXPR_DIES): New.
+ (translate_vuse_through_block): Use the oracle.
+ (phi_translate_1): Adjust.
+ (value_dies_in_block_x): Use the oracle. Cache the outcome
+ in EXPR_DIES.
+ (valid_in_sets): Check if the VUSE for
+ a REFERENCE is available.
+ (eliminate): Do not remove stmts during elimination,
+ instead queue and remove them afterwards.
+ (do_pre): Do not rebuild alias info.
+ (pass_pre): Run TODO_rebuild_alias before PRE.
+ * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
+ * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
+ (mark_all_v_defs_stmt): Remove.
+ (mark_all_v_defs_seq): Adjust.
+ (sra_replace): Likewise.
+ (scalarize_use): Likewise.
+ (scalarize_copy): Likewise.
+ (scalarize_init): Likewise.
+ (scalarize_ldst): Likewise.
+ (todoflags): Remove.
+ (tree_sra): Do not rebuild alias info.
+ (tree_sra_early): Adjust.
+ (pass_sra): Run TODO_update_address_taken before SRA.
+ * tree-predcom.c (set_alias_info): Remove.
+ (prepare_initializers_chain): Do not call it.
+ (mark_virtual_ops_for_renaming): Adjust.
+ (mark_virtual_ops_for_renaming_list): Remove.
+ (initialize_root_vars): Adjust.
+ (initialize_root_vars_lm): Likewise.
+ (prepare_initializers_chain): Likewise.
+ * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
+ (may_propagate_copy_into_stmt): Likewise.
+ (merge_alias_info): Do nothing for now.
+ (propagate_tree_value_into_stmt): Adjust.
+ (stmt_may_generate_copy): Likewise.
+ * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
+ not mark symbols for renaming.
+ (forward_propagate_addr_expr): Match up push/pop_stmt_changes
+ with the same statement, make sure to update the new pointed-to one.
+ * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
+ call statements, do not mark symbols for renaming.
+ (mark_operand_necessary): Dump something.
+ (ref_may_be_aliased): New function.
+ (mark_aliased_reaching_defs_necessary_1): New helper function.
+ (mark_aliased_reaching_defs_necessary): Likewise.
+ (mark_all_reaching_defs_necessary_1): Likewise.
+ (mark_all_reaching_defs_necessary): Likewise.
+ (propagate_necessity): Do not process virtual PHIs. For
+ non-aliased loads mark all reaching definitions as necessary.
+ For aliased loads and stores mark the immediate dominating
+ aliased clobbers as necessary.
+ (visited): New global static.
+ (perform_tree_ssa_dce): Free visited bitmap after propagating
+ necessity.
+ (remove_dead_phis): Perform simple dead virtual PHI removal.
+ (remove_dead_stmt): Properly unlink virtual operands when
+ removing stores.
+ (eliminate_unnecessary_stmts): Schedule PHI removal after
+ stmt removal.
+ * tree-ssa-ter.c (is_replaceable_p): Adjust.
+ (process_replaceable): Likewise.
+ (find_replaceable_in_bb): Likewise.
+ * tree-ssa.c (verify_ssa_name): Verify all VOPs are
+ based on the single gimple vop.
+ (verify_flow_insensitive_alias_info): Remove.
+ (verify_flow_sensitive_alias_info): Likewise.
+ (verify_call_clobbering): Likewise.
+ (verify_memory_partitions): Likewise.
+ (verify_alias_info): Likewise.
+ (verify_ssa): Adjust..
+ (execute_update_addresses_taken): Export. Update SSA
+ manually. Optimize only when optimizing. Use a local bitmap.
+ (pass_update_address_taken): Remove TODO_update_ssa, add
+ TODO_dump_func.
+ (pass_update_address_taken): Just use TODO_update_address_taken.
+ (init_tree_ssa): Do not initialize addressable_vars.
+ (verify_ssa): Verify new VUSE / VDEF properties.
+ Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
+ Do not call verify_alias_info.
+ (delete_tree_ssa): Clear the VUSE, VDEF operands.
+ Do not free the loaded and stored syms bitmaps. Reset the escaped
+ and callused solutions. Do not free addressable_vars.
+ Remove memory-tag related code.
+ (warn_uninitialized_var): Aliases are always available.
+ * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
+ * lambda-code.c (can_put_in_inner_loop): Adjust.
+ (can_put_after_inner_loop): Likewise.
+ (perfect_nestify): Likewise.
+ * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
+ (vect_gen_widened_results_half): Remove CALL_EXPR handling.
+ (vectorizable_conversion): Do not mark symbols for renaming.
+ * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
+ (expand_call_inline): Unlink the calls virtual operands before
+ replacing it.
+ (tree_function_versioning): Do not call update_ssa if we are not
+ updating clones. Simplify.
+ * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
+ (propagate_with_phi): Likewise..
+ * tree-outof-ssa.c (create_temp): Remove memory tag and call
+ clobber code. Assert we are not aliased or global.
+ * tree-flow.h: Include tree-ssa-alias.h
+ (enum escape_type): Remove.
+ (struct mem_sym_stats_d): Likewise.
+ (struct mem_ref_stats_d): Likewise.
+ (struct gimple_df): Add vop member. Remove global_var,
+ call_clobbered_vars, call_used_vars, addressable_vars,
+ aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
+ escaped and callused members.
+ (struct ptr_info_def): Remove all members, add points-to solution
+ member pt.
+ (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
+ call_clobbered, escape_mask, mpt and symbol_mem_tag members.
+ * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
+ (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
+ (tree-ssa-alias.o): Likewise.
+ (toplev.o): Add tree-ssa-alias.h
+ (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
+ * gimple.c (gimple_set_bb): Fix off-by-one error.
+ (is_gimple_reg): Do not handle memory tags.
+ (gimple_copy): Also copy virtual operands.
+ Delay updating the statement. Do not reset loaded and stored syms.
+ (gimple_set_stored_syms): Remove.
+ (gimple_set_loaded_syms): Likewise.
+ (gimple_call_copy_skip_args): Copy the virtual operands
+ and mark the new statement modified.
+ * tree-ssa-structalias.c (may_alias_p): Remove.
+ (set_uids_in_ptset): Take the alias set to prune with as
+ parameter. Fold in the alias test of may_alias_p.
+ (compute_points_to_sets): Compute whether a ptr is dereferenced
+ in a local sbitmap.
+ (process_constraint): Deal with &ANYTHING on the lhs, reject all
+ other ADDRESSOF constraints on the lhs.
+ (get_constraint_for_component_ref): Assert that we don't get
+ ADDRESSOF constraints from the base of the reference.
+ Properly generate UNKNOWN_OFFSET for DEREF if needed.
+ (struct variable_info): Remove collapsed_to member.
+ (get_varinfo_fc): Remove.
+ (new_var_info): Do not set collapsed_to.
+ (dump_constraint): Do not follow cycles.
+ (dump_constraint_graph): Likewise.
+ (build_pred_graph): Likewise.
+ (build_succ_graph): Likewise.
+ (rewrite_constraints): Likewise.
+ (do_simple_structure_copy): Remove.
+ (do_rhs_deref_structure_copy): Remove.
+ (do_lhs_deref_structure_copy): Remove.
+ (collapse_rest_of_var): Remove.
+ (do_structure_copy): Re-implement.
+ (pta_stats): New global variable.
+ (dump_pta_stats): New function.
+ (struct constraint_expr): Make offset signed.
+ (UNKNOWN_OFFSET): Define special value.
+ (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
+ (solution_set_expand): New helper function split out from ...
+ (do_sd_constraint): ... here.
+ (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
+ (do_ds_constraint): Likewise.
+ (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
+ and CALLUSED = *CALLUSED.
+ (set_union_with_increment): Make inc argument signed.
+ (type_safe): Remove.
+ (get_constraint_for_ptr_offset): Handle unknown and negative
+ constant offsets.
+ (first_vi_for_offset): Handle offsets before start. Bail
+ out early for offsets beyond the variable extent.
+ (first_or_preceding_vi_for_offset): New function.
+ (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
+ Together with ESCAPED = *ESCAPED this properly computes reachability.
+ (find_what_var_points_to): New function.
+ (find_what_p_points_to): Implement in terms of find_what_var_points_to.
+ (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
+ pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
+ pt_solutions_intersect): New functions.
+ (compute_call_used_vars): Remove.
+ (compute_may_aliases): New main entry into PTA computation.
+ * gimple.h (gimple_p): New typedef.
+ (struct gimple_statement_base): Remove references_memory_p.
+ (struct gimple_statement_with_memory_ops_base): Remove
+ vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
+ members.
+ (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
+ gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
+ gimple_set_references_memory): Remove.
+ (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
+ gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
+ New functions.
+ * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
+ (verify_expr): Allow RESULT_DECL.
+ (gimple_duplicate_bb): Do not copy virtual operands.
+ (gimple_duplicate_sese_region): Adjust.
+ (gimple_duplicate_sese_tail): Likewise.
+ (mark_virtual_ops_in_region): Remove.
+ (move_sese_region_to_fn): Do not call it.
+ * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
+ and pass_simple_dse.
+ (execute_function_todo): Handle TODO_update_address_taken,
+ call execute_update_addresses_taken for TODO_rebuild_alias.
+ (execute_todo): Adjust.
+ (execute_one_pass): Init dump files early.
+ * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
+ call-clobbered.
+ (create_general_new_stmt): Clear vops.
+ * tree-ssa-reassoc.c (get_rank): Adjust.
+ * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
+ symbols for renaming.
+ * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
+ (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.
+ (operand_build_cmp, copy_virtual_operands,
+ create_ssa_artificial_load_stmt, add_to_addressable_set,
+ gimple_add_to_addresses_taken): Remove public functions.
+ (unlink_stmt_vdef): New function.
+
+2009-04-03 Alan Modra <amodra@bigpond.net.au>
+
+ * config.gcc (powerpc-*-linux*): Merge variants.
+
+2009-04-02 Chao-ying Fu <fu@mips.com>
+ James Grosbach <james.grosbach@microchip.com>
+
+ * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
+ num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
+ cop0_sp_offset.
+ (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
+ keep_interrupts_masked_p, use_debug_exception_return_p.
+ (mips_attribute_table): Add interrupt, use_shadow_register_set,
+ keep_interrupts_masked, use_debug_exception_return.
+ (mips_interrupt_type_p, mips_use_shadow_register_set_p,
+ mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
+ New functions.
+ (mips_function_ok_for_sibcall): Return false for interrupt handlers.
+ (mips_print_operand): Process COP0 registers to print $0 .. $31
+ correctly for GAS to process.
+ (mips_interrupt_extra_call_saved_reg_p): New function.
+ (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
+ extra registers.
+ (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
+ (mips_compute_frame_info): Add supports for interrupt context that
+ includes doubleword accumulators and COP0 registers.
+ (mips_for_each_saved_acc): New function.
+ (mips_for_each_saved_gpr_and_fpr): Change the function name from
+ mips_for_each_saved_reg.
+ (mips_save_reg): Save accumulators.
+ (mips_kernel_reg_p): A new for_each_rtx callback.
+ (mips_expand_prologue): Support interrupt handlers.
+ (mips_restore_reg): Restore accumulators.
+ (mips_expand_epilogue): Support interrupt handlers.
+ (mips_can_use_return_insn): Return false for interrupt handlers.
+ (mips_epilogue_uses): New function.
+ * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
+ UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
+ (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
+ cop0_move): New instructions.
+ * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
+ * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
+ defines.
+ (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
+ New defines.
+ (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
+ (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
+ interrupt handlers, we use K0 as the temporary register.
+ (EPILOGUE_USES): Change to a function call.
+ * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
+ handlers, we use K0 as the temporary register.
+
+ * doc/extend.texi (Function Attributes): Document interrupt,
+ use_shadow_register_set, keep_interrupts_masked,
+ use_debug_exception_return for MIPS attributes.
+
+2009-04-03 Alan Modra <amodra@bigpond.net.au>
+
+ * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
+ Remove a number of t-files from tmake_file.
+ * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
+ * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
+ * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
+ target_prototype, not TARGET_PROTOTYPE.
+ (LINK_OS_GNU_SPEC): Define.
+ * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
+ and darwin-ldoubdle.c.
+
+2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ PR driver/39293
+ * gcc.c (save_temps_flag): Add support for -save-temps=obj.
+ (cpp_options): Ditto.
+ (default_compilers): Ditto.
+ (display_help): Ditto.
+ (process_command): Ditto.
+ (do_spec_1): Ditto.
+ (set_input): Use lbasename instead of duplicate code.
+ (save_temps_prefix): New static for -save-temps=obj.
+ (save_temps_length): Ditto.
+
+ * doc/invoke.texi (-save-temps=obj): Document new variant to
+ -save-temps switch.
+
+2009-04-02 Jeff Law <law@redhat.com>
+
+ * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
+ variable.
+
+2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
+
+ * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
+ * configure: Regenerated.
+
+2009-04-02 Rafael Avila de Espindola <espindola@google.com>
+
+ * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
+ share the argument list.
+
+2009-04-02 Rafael Avila de Espindola <espindola@google.com>
+
+ Merge
+
+ 2009-02-12 Diego Novillo <dnovillo@google.com>
+
+ * varpool.c (debug_varpool): New.
+ * cgraph.h (debug_varpool): Declare.
+
+2009-04-02 Jan Hubicka <jh@suse.cz>
+
+ * passes.c (init_optimization_passes): Remove two copies of ehcleanup
+ pass.
+
+2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (ix86_abi): Move initialization to ...
+ (override_options): Here.
+
+2009-04-02 Christian Bruel <christian.bruel@st.com>
+
+ * config/sh/sh.c (sh_dwarf_register_span): New function.
+ (TARGET_DWARF_REGISTER_SPAN): Define.
+ * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
+
+2009-04-02 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/39595
+ * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
+ interleaved loads group is not greater than the SLP group size.
+
2009-04-02 Rafael Avila de Espindola <espindola@google.com>
* builtins.c (is_builtin_name): New.
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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