2009-07-03 Vladimir Makarov <vmakarov@redhat.com>
PR target/40587
* ira.c (build_insn_chain): Use DF_LR_OUT instead of
df_get_live_out.
* testsuite/gfortran.dg/pr40587.f: New test.
From-SVN: r149212
2009-07-03 Richard Guenther <rguenther@suse.de>
PR tree-optimization/40640
* tree-switch-conversion.c (build_arrays): Perform arithmetic
in original type.
* gcc.c-torture/compile/pr40640.c: New testcase.
From-SVN: r149211
2009-07-03 Richard Guenther <rguenther@suse.de>
PR middle-end/34163
* tree-chrec.c (chrec_convert_1): Fold (T2)(t +- x) to
(T2)t +- (T2)x if t +- x is known to not overflow and
the conversion widens the operation.
* Makefile.in (tree-chrec.o): Add $(FLAGS_H) dependency.
* gfortran.dg/pr34163.f90: New testcase.
From-SVN: r149207
* tree-ssa-dce.c (bb_contains_live_stmts): New bitmap.
(mark_stmt_necessary): Set it.
(mark_operand_necessary): Set it.
(mark_control_dependent_edges_necessary): Set it.
(mark_virtual_phi_result_for_renaming): New function.
(get_live_post_dom): New function.
(forward_edge_to_pdom): New function.
(remove_dead_stmt): Fix handling of control dependences.
(tree_dce_init): Init new bitmap.
(tree_dce_done): Free it.
From-SVN: r149199
2009-07-02 Mark Mitchell <mark@codesourcery.com>
* typeck.c (cp_build_binary_op): Move warnings about use of NULL
in arithmetic earlier and allow comparisions of NULL with
pointers-to-members.
2009-07-02 Mark Mitchell <mark@codesourcery.com>
* g++.dg/warn/null4.C: Extend.
From-SVN: r149190
* pt.c (struct spec_entry): New type.
(decl_specializations, type_specializations): New hash tables.
(register_specialization, retrieve_specialization): Use them.
(reregister_specialization, lookup_template_class): Use them.
(eq_specializations, hash_tmpl_and_args, hash_specialization): New.
(iterative_hash_template_arg): New.
(init_template_processing): New
(process_partial_specialization): Don't look to see if we already
have this partial specialization.
(maybe_process_partial_specialization): Handle reassigning
full specializations when we get an explicit specialization
of the partial instantiation.
(tsubst_friend_function): Adjust specialization reassignment code.
(instantiate_template): Only do one lookup.
(instantiate_decl): Don't do any lookup.
* cp-tree.h: Declare init_template_processing.
* decl.c (duplicate_decls): Pass args to reregister_specialization.
From-SVN: r149188
fortran/
PR fortran/32131
* trans-array.c (gfc_conv_descriptor_stride_get): Return
constant one for strides in the first dimension of ALLOCATABLE
arrays.
testsuite/
PR fortran/32131
* gfortran.dg/pr32921.f: Adjust.
From-SVN: r149178
2009-07-02 Richard Guenther <rguenther@suse.de>
* tree-ssa-live.c (remove_unused_locals): Do not remove
heap variables.
* tree-ssa-structalias.c (handle_lhs_call): Delay setting
of DECL_EXTERNAL for HEAP variables.
(compute_points_to_sets): Set DECL_EXTERNAL for escaped
HEAP variables. Do not adjust RESTRICT vars.
(find_what_var_points_to): Nobody cares if something
points to READONLY.
From-SVN: r149170
* pt.c (register_specialization): Use duplicate_decls to merge
the argument with a previous specialization.
(check_explicit_specialization): Call register_specialization to
merge the TEMPLATE_DECL with a previous version.
(determine_specialization): Return the args even if fn is a template.
From-SVN: r149165
* config/mep/mep.c (mep_handle_option): Leave IVC2 control
registers as fixed.
(mep_interrupt_saved_reg): Save appropriate IVC2 control
registers.
* config/mep/mep-ivc2.cpu: Add VOLATILE to insns that make
unspecified accesses to control registers.
* config/mep/intrinsics.md: Regenerate.
* config/mep/intrinsics.h: Regenerate.
* config/mep/mep-intrin.h: Regenerate.
From-SVN: r149164
PR bootstrap/40347
* function.c (reposition_prologue_and_epilogue_notes): If epilogue
contained no insns, reposition note before last insn.
From-SVN: r149158
* combine.c (force_to_mode): Handle TRUNCATE. Factor out
truncation from operands in binary operations.
testsuite/
* gcc.target/mips/truncate-4.c: New testcase.
From-SVN: r149154
Revert:
2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
* expmed.c (store_bit_field_1): Properly truncate the paradoxical
subreg of op0 to the original op0.
* expmed.c (store_bit_field_1): Use a temporary as the destination
instead of a paradoxical subreg when we need to truncate the result.
From-SVN: r149153
libffi/
* testsuite/lib/libffi-dg.exp (libffi-init): Set ld_library_path
to "" before adding paths. (This reinstates an assignment that
was removed by my 2009-06-30 commit, but changes the initial
value from "." to "".)
From-SVN: r149149
2009-07-01 H.J. Lu <hongjiu.lu@intel.com>
PR testsuite/40601
* testsuite/lib/libffi-dg.exp (libffi-init): Properly set
gccdir. Adjust ld_library_path for gcc only if gccdir isn't
empty.
From-SVN: r149145
* pa.c (forward_branch_p): Return bool type. Use instruction addresses
when available. Assert that INSN has a jump label.
(pa_adjust_insn_length): Don't call forward_branch_p if INSN doesn't
have a jump label.
From-SVN: r149141
2009-07-01 Richard Guenther <rguenther@suse.de>
PR tree-optimization/19831
* tree-ssa-dce.c (propagate_necessity): Calls to functions
that only act as barriers do not make any previous stores
necessary.
* tree-ssa-structalias.c (handle_lhs_call): Delay making
HEAP variables global, do not add a constraint from nonlocal.
(find_func_aliases): Handle escapes through return statements.
(compute_points_to_sets): Make escaped HEAP variables global.
* gcc.dg/tree-ssa/20041122-1.c: Enable TBAA, scan FRE dump,
make allocated memory escape. Un-XFAIL.
* gcc.dg/vect/pr21591.c: Make allocated memory escape.
* gcc.dg/vect/pr31699.c: Likewise.
* gcc.dg/tree-ssa/ssa-dce-7.c: New testcase.
libmudflap/
* testsuite/libmudflap.c/fail11-frag.c: Make allocated memory
escape.
* testsuite/libmudflap.c/fail12-frag.c: Likewise.
* testsuite/libmudflap.c/fail16-frag.c: Likewise.
* testsuite/libmudflap.c/fail31-frag.c: Likewise.
From-SVN: r149140
2009-07-01 Paolo Bonzini <bonzini@gnu.org>
PR bootstrap/40597
* expmed.c (emit_store_flag): Perform a conversion if necessary,
after reducing a DImode cstore to SImode.
From-SVN: r149137
* config/vax/vax.h (TARGET_BSD_DIVMOD): New macro. Set to 1.
* config/vax/linux.h (TARGET_BSD_DIVMOD): New macro. Redefine the
to 0.
* config/vax/vax.c (vax_init_libfuncs): Only redefine udiv_optab
and umod_optab if TARGET_BSD_DIVMOD.
* config/vax/lib1funcs.asm: New file.
* config/vax/t-linux: New file.
* config.gcc (vax-*-linux*): Set tmake_file to vax/t-linux.
From-SVN: r149128
PR c++/40566
* convert.c (convert_to_integer) <case COND_EXPR>: Don't convert
to type arguments that have void type.
* g++.dg/parse/cond5.C: New test.
From-SVN: r149121
