PR rtl-optimization/55388
* alias.c (nonoverlapping_component_refs_p): Handle bitfields.
* emit-rtl.c (adjust_address_1): Deal with VOIDmode early.
* expmed.c (store_bit_field): Turn the call to adjust_address
into a call to adjust_bitfield_address_size.
From-SVN: r193760
* gcc-interface/decl.c (components_need_strict_alignment): New.
(components_to_record): Do not pack the variants if one of the fields
needs strict alignment. Likewise for the variant part as a whole.
Specify the position of the variants even if the size isn't specified,
but do not specify the size of the variant part in this case.
From-SVN: r193750
* predict.c (maybe_hot_count_p): Use threshold from profiled working
set instead of hard limit.
(cgraph_maybe_hot_edge_p): Invoke maybe_hot_count_p() instead of
directly checking limit.
* params.def (HOT_BB_COUNT_FRACTION): Remove.
(HOT_BB_COUNT_WS_PERMILLE): New parameter.
* invoke.texi (hot-bb-count-fraction): Remove.
(hot-bb-count-ws-permille): Document.
Co-Authored-By: Jan Hubicka <jh@suse.cz>
From-SVN: r193747
* config/i386/i386.md (FPCMP): New mode iterator.
(unord): New mode attribute.
(*cmp<mode>_0_i387): Macroize insn from *cmpfp_0
using X87MODEF mode iterator.
(*cmp<mode>_0_cc_i387): Macroize insn from *cmpfp_0_cc using
X87MODEF mode iterator.
(*cmpxf_i387): Rename from *cmpfp_xf.
(*cmpxf_cc_i387): Rename from *cmpfp_xf_cc.
(*cmp<mode>_i387): Rename from *cmpfp_<mode>.
(*cmp<mode>_cc_i387): Rename from *cmpfp_<mode>_cc.
(*cmpu<mode>_i387): Macroize insn from *cmpfp_u using X87MODEF
mode iterator.
(*cmpu<mode>_cc_i387): Macroize insn from *cmpfp_u_cc using X87MODEF
mode iterator.
(*cmp<X87MODEF:mode>_<SWI24:mode>_i387): Macroize_insn from
*cmpfp_<mode> using X87MODEF mode iterator.
(*cmp<X87MODEF:mode>_<SWI24:mode>_cc_i387): Macroize_insn from
*cmpfp_<mode>_cc using X87MODEF mode iterator.
(*cmpi<FPCMP:unord><MODEF:mode>_mixed): Macroize insn from
*cmpfp_i{,u}_mixed using FPCMP and MODEF mode iterators.
(*cmpi<FPCMP:unord><MODEF:mode>_mixed): Macroize insn from
*cmpfp_i{,u}_sse using FPCMP and MODEF mode iterators.
(*cmpi<CCFPCMP:unord><X87MODEF:mode>_i387): Macroize insn from
*cmpfp_i{,u}_387 using FPCMP and X87MODEF mode iterators.
From-SVN: r193731
PR c++/55137
* semantics.c (verify_constant): Track overflow separately.
(reduced_constant_expression_p): Don't check it here.
(cxx_eval_constant_expression): Check it on CSTs.
(cxx_eval_outermost_constant_expr): Treat overflows as non-constant
at this point, but still return the folded version.
(potential_constant_expression_1): Don't check overflow.
From-SVN: r193727
* gcc.c (ADD_STATIC_LIBASAN_LIBS): New macro. Defined
with STATIC_LIBASAN_LIBS.
(LIBASAN_SPEC): Add STATIC_LIBASAN_LIBS.
* config/gnu-user.h (STATIC_LIBASAN_LIBS): New macro.
From-SVN: r193725
libgcc/
Adjust decimal point of signed accum mode to GCC default.
PR target/54222
* config/avr/t-avr (LIB1ASMFUNCS): Add _fractsfsq _fractsfusq,
_divqq_helper.
* config/avr/lib1funcs-fixed.S (__fractqqsf, __fracthqsf)
(__fractsasf, __fractsfha, __fractusqsf, __fractsfsa)
(__mulha3, __mulsa3)
(__divqq3, __divha3, __divsa3): Adjust to new position of
decimal point of signed accum types.
(__mulusa3_round): New function.
(__mulusa3): Use it.
(__divqq_helper): New function.
(__udivuqq3): Use it.
gcc/
Adjust decimal point of signed accum mode to GCC default.
PR target/54222
* config/avr/avr-modes.def (HA, SA, DA): Remove mode adjustments.
(TA): Move decimal point one bit to the right.
* config/avr/avr.c (avr_out_fract): Rewrite.
From-SVN: r193721
2012-11-22 David S. Miller <davem@davemloft.net>
Tobias Burnus <burnus@net-b.de>
Joseph Myers <joseph@codesourcery.com>
* math/atanq.c (atanq): Update from GLIBC. Handle tiny and
very large arguments properly.
* math/j0q.c (y0q): Update from GLIBC. Avoid arithmetic
underflow when 'x' is very small.
* math/j1q.c (y1q): Ditto.
* math/log1pq.c (log1pq): Update from GLIBC. Saturate
nonzero exponents with absolute value below 0x1p-128 to
+/- 0x1p-128.
* math/powq.c (powq): Update from GLIBC. If xm1 is
smaller than LDBL_EPSILON/2.0L, just return xm1.
Co-Authored-By: Joseph Myers <joseph@codesourcery.com>
Co-Authored-By: Tobias Burnus <burnus@net-b.de>
From-SVN: r193716
2012-11-21 Janus Weil <janus@gcc.gnu.org>
PR fortran/55352
* trans-decl.c (generate_local_decl): Don't warn for explicitly imported
but unused module variables which are in a namelist or common block.
2012-11-21 Janus Weil <janus@gcc.gnu.org>
PR fortran/55352
* gfortran.dg/namelist_76.f90: New.
From-SVN: r193711
* config/alpha/alpha.md (extvmisaligndi): Rename from extv; update
mode of operand 1; remove ancient extract_bit_field workaround.
(insvmisaligndi): Rename from insv and update similarly.
(extzvmisaligndi): Rename from extzv and update similarly; split out...
(extzvdi): New expander.
From-SVN: r193710
2012-11-21 Martin Jambor <mjambor@suse.cz>
* ipa-prop.h (struct ipa_node_params): Rename clone_for_all_contexts to
do_clone_for_all_contexts. Update all uses. New flag
is_all_contexts_clone.
* ipa-cp.c (cgraph_edge_brings_value_p): Also consider the case when cs
leads to the clone for all contexts.
(perhaps_add_new_callers): Likewise.
(decide_whether_version_node): Remove bogus !plats->aggs test. Set
is_all_contexts_clone when cloning for all contexts.
* testsuite/gcc.dg/ipa/ipcp-agg-7.c: New test.
* testsuite/gcc.dg/ipa/ipcp-agg-8.c: Likewise.
From-SVN: r193701
2012-11-21 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/55260
* ipa-cp.c (intersect_aggregates_with_edge): New function.
(find_aggregate_values_for_callers_subset): Part moved to the function
above. Call it.
(cgraph_edge_brings_all_agg_vals_for_node): Reimplemented using
intersect_aggregates_with_edge.
* testsuite/g++.dg/torture/pr55260-2.C: New test.
From-SVN: r193700