2019-01-02 Richard Biener <rguenther@suse.de>
PR ipa/85574
* ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
* ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
function.
(sem_item_optimizer::do_congruence_step_f): Sort the congruence
set after UIDs before splitting them.
From-SVN: r267506
* gimple-fold.c (get_range_strlen_tree): Record if the computed
length is optimistic. If it is, then arrange to compute the
conservative length as well.
* gcc.dg/strlenopt-40.c: Update
* gcc.dg/strlenopt-51.c: Likewise.
* gcc.dg/tree-ssa/pr79376.c: Likewise.
Co-Authored-By: Jeff Law <law@redhat.com>
From-SVN: r267505
* gimple-fold.h (get_range_strlen): Update prototype.
* builtins.c (check_access): Update call to get_range_strlen to use
c_strlen_data pointer. Change various variable accesses to instead
pull data from the c_strlen_data structure.
(check_strncat_sizes, expand_builtin_strncat): Likewise.
* calls.c (maybe_warn_nonstring_arg): Likewise.
* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise. Reset
minimum length if maximum lengh is unknown.
* gimple-ssa-sprintf.c (get_string_length): Likewise. Drop code
that used c_strlen, it's no longer needed. Restructure slightly.
(format_string): Set unlikely range appropriately.
* gimple-fold.c (get_range_strlen): Update comments. Fix minor
formatting issues.
(get_range_strlen): Accept c_strlen_data pointer for external
call sites as well. Pass through to call to internal get_range_strlen.
Adjust minlen, maxlen and maxbound as needed.
(get_maxval_strlen): Update comments.
(gimple_fold_builtin_strlen): Update call to get_range_strlen
to use c_strlen_data pointer. Change variable accesses to instead
use c_strlen_data data members.
* gcc.dg/strlenopt-40.c: Disable a couple tests.
* gcc.dg/strlenopt-48.c: Twiddle test.
* gcc.dg/strlenopt-59.c: New test.
* gcc.dg/tree-ssa/builtin-snprintf-5.c: New test.
* g++.dg/init/strlen.C: New test.
Co-Authored-By: Jeff Law <law@redhat.com>
From-SVN: r267503
2019-01-01 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/82743
* primary.c (gfc_convert_to_structure_constructor): If a character
in a constructor is too long, add a warning with
-Wcharacter-truncation.
2019-01-01 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/82743
* gfortran.dg/structure_constructor_16.f90: New test.
From-SVN: r267499
* gimple-fold.c (get_range_strlen): Update prototype.
(get_range_strlen_tree): Update prototype. Drop minlen/maxlen
local variables. Use pdata to return information to caller.
Update calls to get_range_strlen. Update pdata->maxbound.
(get_range_strlen -- static version): Similarly.
(get_range_strlen -- extern version): Update for internal
get_range_strlen API change. Convert to external data format.
(get_maxval_strlen): Similarly.
Co-Authored-By: Jeff Law <law@redhat.com>
From-SVN: r267498
PR target/86814
Xtensa architecture is not affected by speculation.
gcc/
2018-12-31 Max Filippov <jcmvbkbc@gmail.com>
* config/xtensa/xtensa.c (TARGET_HAVE_SPECULATION_SAFE_VALUE):
Define to speculation_safe_value_not_needed.
From-SVN: r267488
).
2018-12-31 Martin Liska <mliska@suse.cz>
* predict.c (set_even_probabilities): Include also
unlikely_count in calculation.
(combine_predictions_for_bb): Consider also HOT and
COLD labels predictions.
* predict.def (PRED_HOT_LABEL): Move it just after
__builtin_expect_with_probability predictor.
(PRED_COLD_LABEL): Likewise.
2018-12-31 Martin Liska <mliska@suse.cz>
* g++.dg/predict-2.C: New test.
* g++.dg/predict-3.C: New test.
* g++.dg/predict-4.C: New test.
* gcc.dg/tree-ssa/attr-hotcold-2.c: Adjust test-case.
From-SVN: r267485
* gimple-fold.c (strlen_range_kind): New enum.
(get_range_strlen): Update signature to use strlen_range_kind
instead of type+fuzzy.
(get_range_strlen_tree): Update signature to use
strlen_range_kind instead of type+fuzzy. Pass rkind down to
get_range_strlen. Check the rkind enum value instead of
type+fuzzy.
(get_range_strlen): Similarly.
(get_maxval_strlen): Update signature to make NONSTR argument have
a default value and make static. Add asserts to ensure sanity of
arguments. Update calls to get_range_strlen.
(gimple_fold_builtin_strcpy): Update calls to get_maxval_strlen.
(gimple_fold_builtin_strcat, gimple_fold_builtin_fputs): Similarly.
(gimple_fold_builtin_memory_chk): Similarly.
(gimple_fold_builtin_stxcpy_chk): Similarly.
(gimple_fold_builtin_snprintf_chk): Similarly.
(gimple_fold_builtin_sprintf, gimple_fold_builtin_snprintf): Similarly.
* gimple-fold.h (get_maxval_strlen): Delete prototype.
Co-Authored-By: Jeff Law <law@redhat.com>
From-SVN: r267482
Use dg-additional-options rather than dg-options to avoid overwriting the
default IEEE options which are passed by ieee.exp and necessary.
PR testsuite/88639
* gfortran.dg/ieee/ieee_10.f90: Use dg-additional-options
instead of dg-options.
From-SVN: r267478
2018-12-29 Steven G. Kargl <kargl@gcc.gnu.org>
* expr.c (external_spec_function): Add ieee_support_subnormal to list
of IEEE inquiry functions.
2018-12-29 Steven G. Kargl <kargl@gcc.gnu.org>
* gfortran.map: Expose subnormal functions in dynamic library.
* ieee/ieee_arithmetic.F90: Add support for IEEE_SUBNORMAL,
IEEE_POSITIVE_SUBNORMAL, and IEEE_NEGATIVE_SUBNORMAL.
* ieee/ieee_helper.c: Ditto.
* ieee/ieee_features.F90: Add IEEE_SUBNORMAL.
2018-12-29 Steven G. Kargl <kargl@gcc.gnu.org>
* gfortran.dg/ieee/ieee_11.F90: New test.
From-SVN: r267468
2018-12-29 Jozef Lawrynowicz <jozef.l@mittosystems.com>
gcc/ChangeLog:
* config/msp430/msp430.c (msp430_attr): Warn when the critical and
interrupt function attributes are used together.
* gcc/doc/extend.texi: Update documentation on the critical attribute.
gcc/testsuite/ChangeLog:
* gcc.target/msp430/critical-interrupt.c: New test.
From-SVN: r267467
2018-12-29 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/88342
* ieee/ieee_arithmetic.F90: Prevent exceptions in IEEE_VALUE if
-ffpe-trap=invalid or -ffpe-trap=overflow is used.
2018-12-29 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/88342
* gfortran.dg/ieee/ieee_10.f90: New test.
From-SVN: r267465
2018-12-25 Steven G. Kargl <kargl@gcc.gnu.org>
* cpp.c (gfc_cpp_init): Add pre-defined macros for INTEGER(1)
INTEGER(2), INTEGER(8) and INTEGER(16) if supported. Add pre-defined
macros for REAL(10) and REAL(16) if available.
* gfortran.texi: Document new macros.
From-SVN: r267464
PR ipa/88586
* omp-low.c (lower_omp_task_reductions): Set DECL_CONTEXT on field
and ifield. Update TYPE_ALIGN from alignment of field, ifield or
bfield.
* g++.dg/gomp/pr88586.C: New test.
From-SVN: r267461
Precise stack scan needs to unwind the stack. When it is
unwinding the stack, if a profiling signal arrives, which also
does a traceback, it may deadlock in dl_iterate_phdr. Prevent
this deadlock by setting up runtime_in_callers before traceback.
Reviewed-on: https://go-review.googlesource.com/c/155766
From-SVN: r267457
The fields were set to true initially and never set to false.
These were left over from an earlier attempt at escape analysis.
Reviewed-on: https://go-review.googlesource.com/c/155750
From-SVN: r267455
Since snapshot() is implemented in assembly code, .file directive should
be removed. Otherwise, debugger can't find the snapshot source.
* gcc.target/x86_64/abi/asm-support-darwin.s: Remove .file
directive.
* gcc.target/x86_64/abi/asm-support.S: Likewise.
From-SVN: r267450
... so that we're then able to use this for other flags in addition to
"GOACC_FLAG_HOST_FALLBACK".
gcc/
* omp-expand.c (expand_omp_target): Restructure OpenACC vs. OpenMP
code paths. Update for libgomp OpenACC entry points change.
include/
* gomp-constants.h (GOACC_FLAG_HOST_FALLBACK)
(GOACC_FLAGS_MARSHAL_OP, GOACC_FLAGS_UNMARSHAL): Define.
libgomp/
* oacc-parallel.c (GOACC_parallel_keyed, GOACC_parallel)
(GOACC_data_start, GOACC_enter_exit_data, GOACC_update)
(GOACC_declare): Redefine the "device" argument to "flags".
From-SVN: r267448
Richard Biener