2013-11-21 Richard Biener <rguenther@suse.de>
* tree-vect-loop-manip.c (vect_build_loop_niters,
vect_generate_tmps_on_preheader): Move ...
* tree-vect-loop.c (vect_build_loop_niters,
vect_generate_tmps_on_preheader): ... here and simplify.
(vect_transform_loop): Call them here and pass down results
to consumers.
* tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound):
Get niter variables from caller.
(vect_do_peeling_for_alignment): Likewise.
* tree-vectorizer.h (vect_generate_tmps_on_preheader): Remove.
(vect_do_peeling_for_loop_bound, vect_do_peeling_for_alignment):
Adjust prototypes.
From-SVN: r205199
2013-11-21 Richard Biener <rguenther@suse.de>
PR tree-optimization/59058
* tree-loop-distribution.c (struct partition_s): Add plus_one
member.
(build_size_arg_loc): Apply niter adjustment here.
(generate_memset_builtin): Adjust.
(generate_memcpy_builtin): Likewise.
(classify_partition): Do not use number_of_exit_cond_executions
but record whether niter needs to be adjusted.
From-SVN: r205197
PR libfortran/49024
* intrinsics/erfc_scaled.c (erfc_scaled_r16): New function.
* intrinsics/erfc_scaled_inc.c: Do not provide quadruple
precision variant.
* gfortran.dg/erf_3.F90: New file.
From-SVN: r205151
gcc:
2013-11-20 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
* config/rs6000/vsx.md (vsx_set_<mode>): Adjust for little endian.
(vsx_extract_<mode>): Likewise.
(*vsx_extract_<mode>_one_le): New LE variant on
*vsx_extract_<mode>_zero.
(vsx_extract_v4sf): Adjust for little endian.
gcc/testsuite:
2013-11-20 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
* gcc.target/powerpc/pr48258-1.c: Skip for little endian.
From-SVN: r205146
PR libstdc++/49204
* include/std/future (__future_base::_State_base): Rename to
__future_base::_State_baseV2.
(__future_base::_State_baseV2::~_State_baseV2): Define as defaulted.
(__future_base::_State_baseV2::_M_run_deferred): Rename to
_M_complete_async.
(__future_base::_State_baseV2::_M_has_deferred): Add new virtual.
(__future_base::_State_baseV2::wait_for): Call _M_has_deferred() to
test for a deferred function, or call _M_complete_async() to join an
async thread that has made the shared state ready.
(__future_base::_State_baseV2::wait_until): Likewise.
(__future_base::_Async_state_common): Rename to _Async_state_commonV2.
(__future_base::_Async_state_commonV2::_M_run_deferred): Rename to
_M_complete_async.
* src/c++11/compatibility-thread-c++0x.cc (__future_base::_State_base):
Export old definition.
(__future_base::_Async_state_common): Likewise.
* src/c++11/future.cc (__future_base::_State_base::~_State_base):
Remove.
* doc/xml/manual/status_cxx2011.xml: Update status.
* testsuite/30_threads/async/async.cc: Test future_status::timeout
and future_status::ready.
* testsuite/30_threads/async/sync.cc: Test future_status::deferred.
From-SVN: r205144
2013-11-20 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/59133
* lra.c (expand_reg_data): Add new argument. Set up ALL_REGS for
new pseudos.
(lra_create_new_reg_with_unique_value): Pass new argument value.
(lra_emit_add, lra_emit_move): Ditto.
* lra-constraints.c (in_class_p): Add check for move for a new
insn.
(change_class): Rename to lra_change_class. Move to lra-int.h.
(get_reload_reg, narrow_reload_pseudo_class): Adjust calls of
change_class.
(process_addr_reg, process_addr): Ditto.
(curr_insn_transform): Ditto. Add check on old pseudo for
optional reload.
* lra-int.h (lra_get_regno_hard_regno): Move below.
(lra_change_class): Renamed change_class from lra.c.
2013-11-20 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/59133
* gcc.target/i386/pr59133.c: New.
From-SVN: r205141
* lra.c (lra): Set lra_in_progress before check_rtl call.
* recog.c (insn_invalid_p): Add !lra_in_progress to prevent
adding clobber regs when LRA is running
From-SVN: r205136
* config/mips/mips.h (ISA_HAS_FP_RECIP_RSQRT): New macro.
* config/mips/mips.c (mips_rtx_costs) <DIV>: Check for
ISA_HAS_FP_RECIP_RSQRT rather than ISA_HAS_FP4.
* config/mips/mips.md (recip_condition): Remove mode attribute.
(div<mode>3): Use ISA_HAS_FP_RECIP_RSQRT rather than
<recip_condition>.
(*recip<mode>3, *rsqrt<mode>a, *rsqrt<mode>b): Likewise.
From-SVN: r205129
* config/rs6000/rs6000.c (rs6000_cannot_change_mode_class): Do not
allow subregs of TDmode in FPRs of smaller size in little-endian.
(rs6000_split_multireg_move): When splitting an access to TDmode
in FPRs, do not use simplify_gen_subreg.
From-SVN: r205123
PR middle-end/21718
* real.c: Remove comment about decimal string conversion and
rounding errors.
(real_from_string): Use MPFR to convert nonzero decimal constant
to REAL_VALUE_TYPE.
testsuite:
* gcc.dg/float-exact-1.c: New test.
From-SVN: r205119
PR rtl-optimization/54300
gcc/
PR rtl-optimization/54300
* regcprop.c (copyprop_hardreg_forward_1): Ensure any unused
outputs in a single-set are killed from the value chains.
gcc/testsuite:
PR rtl-optimization/54300
* gcc.target/arm/pr54300.C: New test.
From-SVN: r205117
2013-11-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
Dominik Vogt <vogt@linux.vnet.ibm.com>
* config/s390/s390.c (s390_canonicalize_comparison): Don't fold
int comparisons with an out of range condition code.
(s390_optimize_nonescaping_tx): Skip empty BBs.
Generate the new tbegin RTX when removing the FPR clobbers (with
two SETs).
(s390_expand_tbegin): Fix the retry loop counter. Copy CC to the
result before doing the retry calculations.
(s390_init_builtins): Make tbegin "returns_twice" and tabort
"noreturn".
* config/s390/s390.md (UNSPECV_TBEGIN_TDB): New constant used for
the TDB setting part of an tbegin.
("tbegin_1", "tbegin_nofloat_1"): Add a set for the TDB.
("tx_assist"): Set unused argument to an immediate zero instead of
loading zero into a GPR and pass it as argument.
* config/s390/htmxlintrin.h (__TM_simple_begin, __TM_begin):
Remove inline and related attributes.
(__TM_nesting_depth, __TM_is_user_abort, __TM_is_named_user_abort)
(__TM_is_illegal, __TM_is_footprint_exceeded)
(__TM_is_nested_too_deep, __TM_is_conflict): Fix format value
check.
2013-11-20 Dominik Vogt <vogt@linux.vnet.ibm.com>
* gcc.target/s390/htm-1.c: Rename to ...
* gcc/testsuite/gcc.target/s390/htm-builtins-compile-1.c: ... this
one.
* gcc.target/s390/htm-xl-intrin-1.c: Rename to ...
* gcc.target/s390/htm-builtins-compile-3.c: ... this one.
* gcc.target/s390/htm-builtins-compile-2.c: New testcase.
* gcc.target/s390/htm-builtins-1.c: New testcase.
* gcc.target/s390/htm-builtins-2.c: New testcase.
* gcc.target/s390/s390.exp: Add check for htm machine.
From-SVN: r205099
2013-11-20 Richard Biener <rguenther@suse.de>
PR lto/59035
* lto-opts.c (lto_write_options): Write defaults only if
they were not explicitely specified. Also write
-ffp-contract default.
* lto-wrapper.c (merge_and_complain): Merge -ffp-contract
conservatively.
(run_gcc): Pass through -ffp-contract.
From-SVN: r205096
2013-11-19 Joshua J Cogliati <jrincayc@yahoo.com>
PR c/53001
Splitting out a -Wfloat-conversion from -Wconversion for
conversions that lower floating point number precision
or conversion from floating point numbers to integers.
gcc/c-family/
* c-common.c (unsafe_conversion_p): Make this function
return an enumeration with more detail.
(conversion_warning): Use the new return type of
unsafe_conversion_p to separately warn either about conversions
that lower floating point number precision or about the other
kinds of conversions.
* c-common.h (enum conversion_safety): New enumeration.
(unsafe_conversion_p): switching return type to
conversion_safety enumeration.
* c.opt: Adding new warning -Wfloat-conversion and
enabling it with -Wconversion.
gcc/
* doc/invoke.texi: Adding documentation about
-Wfloat-conversion.
gcc/testsuite/
* c-c++-common/Wfloat-conversion.c: Copies relevant
tests from c-c++-common/Wconversion-real.c,
gcc.dg/Wconversion-real-integer.c and gcc.dg/pr35635.c into
new testcase for conversions that are warned about by
-Wfloat-conversion.
From-SVN: r205090
