2011-06-14 Easwaran Raman <eraman@google.com>
PR rtl-optimization/44194
* dse.c: Include tree-flow.h
(insn_info): Add new field non_frame_wild_read.
(group_info): Add new fields escaped_n and escaped_p.
(kill_on_calls): New variable.
(get_group_info): Initialize gi->escaped_n and gi->escaped_p.
(dse_step0): Initialize kill_on_calls.
(can_escape): New function.
(set_usage_bits): Add additional parameter; record information
about escaped locations.
(record_store): Pass EXPR corresponding to MEM to
set_usage_bits.
(dse_step2_nospill): Set kill_on_calls based on
group->escaped_n and group->escaped_n.
(add_wild_read): Refactor into...
(reset_active_stores): ... New method, and
(free_read_records): ... New method.
(add_non_frame_wild_read): New method.
(scan_insn): Call add_non_frame_wild_read on non-const calls.
(scan_reads_nospill): Handle instructions with
non_frame_wild_read.
(dse_step5_nospill): Call scan_reads_nospill for instructions
marked as non_frame_wild_read.
(dse_step7): Free escaped_n, escaped_p and kill_on_calls
bitmaps.
testsuite/ChangeLog
2011-06-14 Easwaran Raman <eraman@google.com>
PR rtl-optimization/44194
* gcc.dg/pr44194-1.c: New test.
* gcc.dg/pr44194-2.c: New test.
From-SVN: r175063
PR c++/49290
* semantics.c (cxx_fold_indirect_ref): Local, more permissive copy
of fold_indirect_ref_1.
(cxx_eval_indirect_ref): Use it.
From-SVN: r175041
2011-06-14 H.J. Lu <hongjiu.lu@intel.com>
PR middle-end/47364
* builtins.c (expand_builtin_strlen): Expand strlen to Pmode
and properly handle result not in Pmode.
From-SVN: r175034
* config/i386/kfreebsd-gnu.h: Resync with `config/i386/linux.h'.
* config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKER): Resync with
`config/linux.h'.
* config/i386/kfreebsd-gnu64.h: New file.
* config.gcc (x86_64-*-kfreebsd*-gnu): Replace `i386/kfreebsd-gnu.h'
with `i386/kfreebsd-gnu64.h'.
* config/i386/linux64.h (GNU_USER_LINK_EMULATION32)
(GNU_USER_LINK_EMULATION64): New macros.
* config/i386/gnu-user64.h (LINK_SPEC): Rely on
`GNU_USER_LINK_EMULATION32' and `GNU_USER_LINK_EMULATION64' instead
of hardcoding `elf_i386' and `elf_x86_64'.
From-SVN: r175031
PR fortran/49103
* tree.h (DECL_NONSHAREABLE): Define.
(struct tree_decl_common): Change decl_common_unused to
decl_nonshareable_flag.
* cfgexpand.c (expand_used_vars_for_block, clear_tree_used):
Ignore vars with DECL_NONSHAREABLE bit set.
* tree-cfg.c (gimple_duplicate_bb): Set DECL_NONSHAREABLE
on stores to automatic aggregate vars.
* gfortran.dg/pr49103.f90: New test.
From-SVN: r175028
2011-06-14 Tom de Vries <tom@codesourcery.com>
PR target/45098
* gcc.target/arm/ivopts-3.c: New test.
* gcc.target/arm/ivopts-4.c: New test.
* gcc.target/arm/ivopts-5.c: New test.
From-SVN: r175025
include/
* demangle.h (DMGL_RET_POSTFIX): Extend the comment.
(DMGL_RET_DROP): New.
libiberty/
* cp-demangle.c (d_print_comp) <DEMANGLE_COMPONENT_FUNCTION_TYPE>: Do
not pass DMGL_RET_POSTFIX or DMGL_RET_DROP. Support DMGL_RET_DROP.
* testsuite/demangle-expected: New testcases for --ret-drop.
* testsuite/test-demangle.c: Document --ret-drop in a comment.
(main): New variable ret_drop, fill it, call cplus_demangle with it.
From-SVN: r175000
2011-06-13 David Edelsohn <dje.gcc@gmail.com>
* config/rs6000/rs6000.md (movdi_mfpgpr): Remove POWER mnemonic.
(movdi_internal64): Same.
2011-06-13 Edmar Wienskoski <edmar@freescale.com>
* config/rs6000/rs6000.md (save_gpregs_<mode>): Replaced pattern
with a set of similar patterns, where the MATCH_OPERAND for the
function argument is replaced with individual references to hardware
registers.
(save_fpregs_<mode>): Ditto
(restore_gpregs_<mode>): Ditto
(return_and_restore_gpregs_<mode>): Ditto
(return_and_restore_fpregs_<mode>): Ditto
(return_and_restore_fpregs_aix_<mode>): Ditto
From-SVN: r174997
* ipa-inline.c (reset_edge_caches): Walk aliases.
(update_caller_keys): Do not test inlinability of aliases.
* ipa-inline-analysis.c (do_estimate_edge_time): Look through alias.
(do_estimate_growth): Fix typo.
From-SVN: r174992
* ipa-inline-transform.c (+can_remove_node_now_p_1): Break out from...
(can_remove_node_now_p): ... here; handle same comdat groups.
(clone_inlined_nodes): Update use of can_remove_node_now_p add TODO.
(inline_call): Update use of can_remove_node_now_p.
From-SVN: r174989
