* config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
(rs6000_emit_epilogue): Use backchain to restore only when we
have a large frame. Make use of frame pointer to restore if we
have one. Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
From-SVN: r134816
2008-04-29 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
PR ada/35792
* sem_ch3.adb (Find_Type_Name): Refuse completion of an incomplete
tagged type by an untagged protected or task type.
2008-04-29 Samuel Tardieu <sam@rfc1149.net>
gcc/testsuite/
PR ada/35792
* gnat.dg/specs/tag2.ads: New.
From-SVN: r134810
2008-04-29 Benjamin Kosnik <bkoz@redhat.com>
* include/bits/c++config: Remove space between '#' and 'undef' for
_GLIBCXX_LONG_DOUBLE_COMPAT.
From-SVN: r134805
2008-04-29 Richard Guenther <rguenther@suse.de>
PR tree-optimization/36078
* tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
Update virtual SSA form after cleaning up the CFG.
* gfortran.fortran-torture/compile/pr36078.f90: New testcase.
From-SVN: r134799
2008-04-29 Richard Guenther <rguenther@suse.de>
PR middle-end/15255
* fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
* gcc.dg/fold-plusmult.c: New testcase.
From-SVN: r134798
2008-04-29 Richard Guenther <rguenther@suse.de>
* tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
(compute_may_aliases): Do not call finalize_ref_all_pointers.
(compute_flow_insensitive_aliasing): Do not treat
PTR_IS_REF_ALL pointers special.
(get_smt_for): Likewise.
(may_alias_p): Re-structure.
(is_escape_site): A ref-all pointer conversion is not an escape site.
* tree-ssa-structalias.c (find_what_p_points_to): Do not treat
PTR_IS_REF_ALL pointers special.
* tree-ssa-structalias.h (struct alias_info): Remove
ref_all_symbol_mem_tag field.
(PTR_IS_REF_ALL): Remove.
From-SVN: r134797
2008-04-29 Richard Guenther <rguenther@suse.de>
PR middle-end/36077
* fold-const.c (extract_muldiv_1): In combining division constants
make sure to never overflow.
* gcc.c-torture/execute/pr36077.c: New testcase.
From-SVN: r134792
PR c++/35987
* typeck.c (cp_build_modify_expr) <case PREINCREMENT_EXPR>: Don't build
COMPOUND_EXPR if the second argument would be error_mark_node.
* g++.dg/other/error28.C: New test.
From-SVN: r134786
2008-04-28 Benjamin Kosnik <bkoz@redhat.com>
* include/bits/c++config: Move os_defines and cpu_defines after
namespace definitions and base macros.
From-SVN: r134779
2008-04-28 Benjamin Kosnik <bkoz@redhat.com>
PR libstdc++/35887
* acinclude.m4 (GLIBCXX_ENABLE_PARALLEL): Revert back to just
checking for omp.h.
* configure: Regenerate.
From-SVN: r134776
PR ada/36007
* decl.c (gnat_to_gnu_entity) <object>: Do not promote alignment
of aliased objects with an unconstrained nominal subtype.
Cap the promotion to the effective alignment of the word mode.
Co-Authored-By: Tristan Gingold <gingold@adacore.com>
From-SVN: r134766
2008-04-28 Richard Guenther <rguenther@suse.de>
PR tree-optimization/36066
* tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
SCEV and loop.
* gcc.dg/torture/pr36066.c: New testcase.
From-SVN: r134745
PR target/36064
* config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
Use match_scratch instead of match_operand for operands 3 and 4.
testsuite/ChangeLog:
PR target/36064
* gcc.target/i386/pr36064.c: New test.
From-SVN: r134744
2008-04-27 Richard Guenther <rguenther@suse.de>
PR tree-optimization/18754
PR tree-optimization/34223
* tree-pass.h (pass_complete_unrolli): Declare.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
loop size before and after unconditionally of UL_NO_GROWTH in effect.
Rewrite loop into loop closed SSA form if it is not already.
(tree_unroll_loops_completely): Re-structure to iterate over
innermost loops with intermediate CFG cleanups.
Unroll outermost loops only if requested or the code does not grow
doing so.
* tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
loops are available.
(tree_vectorize): Instead do so here.
(tree_complete_unroll): Also unroll outermost loops.
(tree_complete_unroll_inner): New function.
(gate_tree_complete_unroll_inner): Likewise.
(pass_complete_unrolli): New pass.
* tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
uses outside of the loop.
(tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
form if it is available.
* tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
* passes.c (init_optimization_passes): Schedule complete inner
loop unrolling pass before the first CCP pass after final inlining.
* gcc.dg/tree-ssa/loop-36.c: New testcase.
* gcc.dg/tree-ssa/loop-37.c: Likewise.
* gcc.dg/vect/vect-118.c: Likewise.
* gcc.dg/Wunreachable-8.c: XFAIL bogus warning.
* gcc.dg/vect/vect-66.c: Increase loop trip count.
* gcc.dg/vect/no-section-anchors-vect-66.c: Likewise.
* gcc.dg/vect/no-section-anchors-vect-69.c: Likewise.
* gcc.dg/vect/vect-76.c: Likewise.
* gcc.dg/vect/vect-outer-6.c: Likewise.
* gcc.dg/vect/vect-outer-1.c: Likewise.
* gcc.dg/vect/vect-outer-1a.c: Likewise.
* gcc.dg/vect/vect-11a.c: Likewise.
* gcc.dg/vect/vect-shift-1.c: Likewise.
* gcc.target/i386/vectorize1.c: Likewise.
From-SVN: r134730
* config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
constraint for operand 2 when operand 0 is memory operand.
(fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
operand 0 is memory operand.
(fix_trunc<mode>_i387_with_temp): Ditto.
(*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
operand 2 when operand 1 is memory operand.
(*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
(*floatsi<mode>2_vector_sse_with_temp): Ditto.
(*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
(*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
(floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
operands 2,3 and 4 when operand 1 is memory operand.
(fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
is memory operand.
(fistdi2_floor_with_temp): Ditto.
(fist<mode>2_floor_with_temp): Ditto.
(fistdi2_ceil_with_temp): Ditto.
(fist<mode>2_ceil_with_temp): Ditto.
(*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
From-SVN: r134697
2008-04-26 George Helffrich <george@gcc.gnu.org>
PR fortran/35892
PR fortran/35154
* fortran/trans-common.c (create_common): Add decl to function
chain (if inside one) to preserve identifier scope in debug output.
* testsuite/gfortran.dg/debug/pr35154-stabs.f: New test case for
.stabs functionality.
* testsuite/gfortran.dg/debug/pr35154-dwarf2.f: New test case for
DWARF functionality.
From-SVN: r134696
gcc/
2008-04-23 David Daney <ddaney@avtrex.com>
* config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
unspec_volitile.
(UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
UNSPEC_UPDATE_GOT_VERSION): Renumber.
(sync_compare_and_swap<mode>): New expand for QI and HI modes.
(compare_and_swap_12): New insn.
* config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
* config/mips/mips.c (mips_force_binary): New function.
(mips_emit_int_order_test, mips_expand_synci_loop): Use it.
(mips_expand_compare_and_swap_12): New function.
* config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
gcc/testsuite/
* gcc.target/mips/gcc-have-sync-compare-and-swap-1.c: Expect
__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1 and
__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2 to be defined.
* gcc.target/mips/gcc-have-sync-compare-and-swap-2.c: Likewise.
From-SVN: r134695
2008-04-25 Kai Tietz <kai.tietz@onevision.com>
* config/i386/mingw32.h (SUBTARGET_INIT_BUILTINS): New.
* config/i386/i386.c (ix86_init_builtins): Use of
SUBTARGET_INIT_BUILTINS.
Add include of c-common.h for builtin.
From-SVN: r134691
2008-04-25 Tobias Burnus <burnus@net-b.de>
Daniel Franke <franke.daniel@gmail.com>
PR fortran/35156
* gfortranspec.c (lang_specific_driver): Deprecate
-M option; fix ICE when "-M" is last argument and
make "-M<dir>" work.
* options.c (gfc_handle_module_path_options):
Use -J instead of -M in error messages.
* invoke.texi: Mark -M as depecated.
Co-Authored-By: Daniel Franke <franke.daniel@gmail.com>
From-SVN: r134680
