2011-03-18 Chung-Lin Tang <cltang@codesourcery.com>
* combine.c (try_combine): Do simplification only call of
subst() on i2 even when i1 is present. Update comments.
testsuite/
* gcc.target/arm/unsigned-extend-1.c: New.
From-SVN: r171138
2011-03-18 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* config/s390/s390.md: Use define_c_enum for the unspec constant
definitions.
From-SVN: r171132
PR bootstrap/48161
* expr.c (expand_expr_addr_expr_1): Use simplify_gen_binary
instead of gen_rtx_PLUS if EXPAND_SUM or EXPAND_INITIALIZER.
* gcc.c-torture/compile/pr48161.c: New test.
From-SVN: r171126
PR debug/48163
* var-tracking.c (prepare_call_arguments): If CALL target
is a non-SYMBOL_REF CONSTANT_P, just add that into the list as
pc instead of looking it up using cselib_lookup and use
Pmode for it if x has VOIDmode.
* dwarf2out.c (gen_subprogram_die): If also both first and
second CONCAT arguments are VOIDmode, use mode of CONCAT itself.
From-SVN: r171114
PR debug/48163
* function.c (assign_parms): For data.passed_pointer parms
use MEM of data.entry_parm instead of data.entry_parm itself
as DECL_INCOMING_RTL.
* dwarf2out.c (rtl_for_decl_location): Use DECL_INCOMING_RTL
also when passed and declared mode is the same, DECL_RTL
is a MEM with pseudo as address and DECL_INCOMING_RTL is
a MEM too.
From-SVN: r171113
PR rtl-optimization/37273
* ira-costs.c (scan_one_insn): Detect constants living in memory and
handle them like argument loads from stack slots. Do not double
count memory for memory constants and argument loads from stack slots.
From-SVN: r171111
* gcc-interface/decl.c (elaborate_expression_1): Try harder to find
out whether the expression is read-only. Short-circuit placeholder
case and rename a couple of local variables.
From-SVN: r171106
2011-03-17 Richard Guenther <rguenther@suse.de>
PR middle-end/48134
* tree-ssa.c (insert_debug_temp_for_var_def): If we propagated
a value make sure to fold the statement.
* gcc.dg/pr48134.c: New testcase.
From-SVN: r171098
2011-03-17 Richard Guenther <rguenther@suse.de>
PR bootstrap/48148
* lto-cgraph.c (input_overwrite_node): Clear the abstract
origin for decls in other ltrans units.
(input_varpool_node): Likewise.
From-SVN: r171094
2011-03-17 Richard Guenther <rguenther@suse.de>
PR middle-end/48165
* tree-object-size.c (compute_object_offset): Properly return
the offset operand of MEM_REFs as sizetype.
* g++.dg/torture/pr48165.C: New testcase.
From-SVN: r171092
* gcc-interface/gigi.h (smaller_form_type_p): Declare.
* gcc-interface/trans.c (smaller_form_type_p): Make global and move...
* gcc-interface/utils.c (smaller_form_type_p): ...to here.
(convert): Deal with conversions from a smaller form type specially.
From-SVN: r171091
PR rtl-optimization/48141
* params.def (PARAM_MAX_DSE_ACTIVE_LOCAL_STORES): New.
* dse.c: Include params.h.
(active_local_stores_len): New variable.
(add_wild_read, dse_step1): Clear it when setting active_local_stores
to NULL.
(record_store, check_mem_read_rtx): Decrease it when removing
from the chain.
(scan_insn): Likewise. Increase it when adding to chain, if it
reaches PARAM_MAX_DSE_ACTIVE_LOCAL_STORES limit, set to 1 and
set active_local_stores to NULL before the addition.
* Makefile.in (dse.o): Depend on $(PARAMS_H).
From-SVN: r171090
PR rtl-optimization/48141
* dse.c (record_store): If no positions are needed in an insn
that cannot be deleted, at least unchain it from active_local_stores.
* gcc.dg/pr48141.c: New test.
From-SVN: r171089
* Make-lang.in (CXX_PARSER_H): New.
(cp/parser.o): Add dependency on CXX_PARSER_H.
Add dependency on tree-pretty-print.h
(cp/cp-lang.o): Add dependency on CXX_PARSER_H.
* cp-lang.c: Include parser.h.
* parser.c: Include parser.h.
(struct cp_token): Add bitfield purged_p.
Update all users.
Move to parser.h.
(CPP_PURGED): Remove. Update all users.
(struct cp_lexer): Change field buffer to be a VEC of cp_token.
Remove field buffer_length.
Update all users.
Move to parser.h.
(struct tree_check): Move to parser.h.
(cp_token_position): Likewise.
(struct cp_token_cache): Likewise.
(CPP_KEYWORD): Likewise.
(CPP_TEMPLATE_ID): Likewise.
(CPP_NESTED_NAME_SPECIFIER): Likewise.
(N_CP_TTYPES): Likewise.
(enum cp_parser_status_kind): Likewise.
(struct cp_parser_context): Likewise.
(struct cp_default_arg_entry_d): Likewise.
(struct cp_unparsed_functions_entry_d): Likewise.
(struct cp_parser): Likewise.
(cp_lexer_dump_tokens): New.
(cp_lexer_debug_tokens): New.
(cp_lexer_finished_p): New.
(cp_lexer_alloc): Factor out of cp_lexer_new_main.
(cp_lexer_new_main): Re-write main lexing loop to push
tokens into the new VEC buffer.
(cp_lexer_print_token): Improve printing of CPP_NUMBER tokens.
Do not abort if the token type is not recognized, just print
its code.
* parser.h: New file.
* config-lang.in (gtfiles): Add cp/parser.h.
From-SVN: r171075
PR debug/47510
gcc/
PR debug/47510
* dwarf2out.c (strip_naming_typedef): Factorize out of ...
(lookup_type_die_strip_naming_typedef): ... here.
(get_context_die): Use it.
(gen_typedef_die): Add a DW_AT_{,MIPS_}linkage_name attribute to
the anonymous struct named by the naming typedef.
gcc/testsuite/
PR debug/47510
* g++.dg/debug/dwarf2/typedef6.C: New test.
From-SVN: r171073
PR c++/48113
* typeck.c (convert_for_initialization): Use
perform_implicit_conversion_flags.
* call.c (standard_conversion): If LOOKUP_PREFER_RVALUE, set
rvaluedness_matches_p on ck_rvalue.
(convert_like_real) [ck_rvalue]: And restore it here.
From-SVN: r171067
* tree-vrp.c (identify_jump_threads): Slightly simplify type
check for operands of conditional. Allow type to be a
pointer.
* gcc.dg/tree-ssa/vrp55.c: New test.
From-SVN: r171055
