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
Jason Merrill
GCC Administrator
Vladimir Makarov
Richard Guenther
Jan Hubicka
Eric Botcazou
Uros Bizjak
Richard Sandiford
Mark Mitchell
Rainer Orth
Michael Matz
Paolo Bonzini
Nick Clifton
Ben Elliston
DJ Delorie
Anthony Green
Richard Henderson
Michael Meissner
Adam Nemet
Eric Botcazou
Jakub Jelinek
Ian Lance Taylor
John David Anglin
H.J. Lu
Tobias Grosser
Maciej W. Rozycki