PR target/62308
Backport from mainline r215707.
2014-09-30 David Sherwood <david.sherwood@arm.com>
* ira-int.h (ira_allocno): Add "wmode" field.
* ira-build.c (create_insn_allocnos): Add new "parent" function
parameter.
* ira-conflicts.c (ira_build_conflicts): Add conflicts for registers
that cannot be accessed in wmode.
Backport from mainline r224649.
2015-06-19 Christophe Lyon <christophe.lyon@linaro.org>
Backported from mainline r217076.
2014-11-04 Michael Collison <michael.collison@linaro.org>
* config/aarch64/iterators.md (lconst_atomic): New mode attribute
to support constraints for CONST_INT in atomic operations.
* config/aarch64/atomics.md
(atomic_<atomic_optab><mode>): Use lconst_atomic constraint.
(atomic_nand<mode>): Likewise.
(atomic_fetch_<atomic_optab><mode>): Likewise.
(atomic_fetch_nand<mode>): Likewise.
(atomic_<atomic_optab>_fetch<mode>): Likewise.
(atomic_nand_fetch<mode>): Likewise.
Michael Matz [Fri, 12 Jun 2015 14:13:33 +0000 (14:13 +0000)]
backport: re PR debug/63623 (Lots of functions get -fvar-tracking silently turned off unnecessarily)
Backported from mainline
2014-10-23 Jakub Jelinek <jakub@redhat.com>
PR debug/63623
* var-tracking.c (stack_adjust_offset_pre_post_cb): New function.
(stack_adjust_offset_pre_post): Use it through for_each_inc_dec,
instead of only handling autoinc in dest if it is a MEM.
Michael Meissner [Wed, 10 Jun 2015 17:16:58 +0000 (17:16 +0000)]
backport: re PR target/66474 (Document the use of %x in powerpc asm statements)
2015-06-10 Michael Meissner <meissner@linux.vnet.ibm.com>
Backport from mainline:
2015-06-10 Michael Meissner <meissner@linux.vnet.ibm.com>
PR target/66474
* doc/md.texi (Machine Constraints): Document that on the PowerPC
if you use a constraint that targets a VSX register, you must use
%x<n> in the template.
Jakub Jelinek [Wed, 10 Jun 2015 09:26:06 +0000 (11:26 +0200)]
re PR target/66470 (TLS ICE due to ix86_split_long_move)
PR target/66470
* config/i386/i386.c (ix86_split_long_move): For collisions
involving direct tls segment refs, move the UNSPEC_TP possibly
wrapped in ZERO_EXTEND out of the address for lea, to each of
the memory loads.
* gcc.dg/tls/pr66470.c: New test.
* gcc.target/i386/pr66470.c: New test.
Uros Bizjak [Mon, 8 Jun 2015 20:07:08 +0000 (22:07 +0200)]
backport: re PR target/66275 (__attribute__((sysv_abi)) with x86_64-w64-mingw32-gcc generates incorrect code)
Backport from mainline:
2015-06-03 Uros Bizjak <ubizjak@gmail.com>
PR target/66275
* config/i386/i386.c (ix86_function_arg_regno): Use ix86_cfun_abi
to determine current function ABI.
(ix86_function_value_regno_p): Ditto.
testsuite/ChangeLog:
Backport from mainline:
2015-06-03 Uros Bizjak <ubizjak@gmail.com>
PR target/66275
* gcc.target/i386/pr66275.c: New test.
Jonathan Wakely [Mon, 8 Jun 2015 14:42:02 +0000 (15:42 +0100)]
re PR libstdc++/66354 ([UBSAN] stl_algobase.h:708:7: runtime error: null pointer passed as argument)
PR libstdc++/66354
* include/bits/stl_algobase.h (__fill_a): Check length before calling
memset.
PR libstdc++/66327
* include/bits/stl_algobase.h (__equal<true>::equal): Do not call
memcmp for empty ranges.
(__lexicographical_compare<true>::__lc): Likewise.
Jakub Jelinek [Wed, 3 Jun 2015 15:35:03 +0000 (17:35 +0200)]
backport: re PR middle-end/66133 (Wrong-code with noreturn #pragma omp task body)
Backported from mainline
2015-05-13 Jakub Jelinek <jakub@redhat.com>
PR middle-end/66133
* omp-low.c (expand_omp_taskreg): For GIMPLE_OMP_TASK expansion,
make sure it is never noreturn, even when the task body does not
return.
(lower_omp_taskreg): For GIMPLE_OMP_TASK, emit GIMPLE_OMP_CONTINUE
right before GIMPLE_OMP_RETURN.
(make_gimple_omp_edges): Accept GIMPLE_OMP_CONTINUE as ->cont
for GIMPLE_OMP_TASK. For GIMPLE_OMP_RETURN corresponding to
GIMPLE_OMP_TASK add an EDGE_ABNORMAL edge from entry to exit.
Jakub Jelinek [Wed, 3 Jun 2015 15:33:59 +0000 (17:33 +0200)]
backport: re PR middle-end/65984 (ICE: definition in block 4 does not dominate use in block 2 with -fnon-call-exceptions -fsanitize=enum)
Backported from mainline
2015-05-04 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/65984
* ubsan.c: Include tree-cfg.h.
(instrument_bool_enum_load): Use stmt_ends_bb_p instead of
stmt_could_throw_p test, rename can_throw variable to ends_bb.
Jakub Jelinek [Wed, 3 Jun 2015 15:31:46 +0000 (17:31 +0200)]
backport: re PR middle-end/65597 (ICE in build_outer_var_ref, at omp-low.c:1043)
Backported from mainline
2015-03-30 Jakub Jelinek <jakub@redhat.com>
PR fortran/65597
* trans-openmp.c (gfc_trans_omp_do): For !simple simd with explicit
linear clause for the iterator set OMP_CLAUSE_LINEAR_NO_COPYIN.
For implcitly added !simple OMP_CLAUSE_LINEAR set it too. Use step 1
instead of the original step on the new iterator - count.
* testsuite/libgomp.fortran/pr65597.f90: New test.
Jakub Jelinek [Wed, 3 Jun 2015 15:30:58 +0000 (17:30 +0200)]
backport: re PR target/65504 (select case with strings and -fgcse -O)
2015-06-03 Jakub Jelinek <jakub@redhat.com>
Backported from mainline
2015-03-23 Jakub Jelinek <jakub@redhat.com>
PR target/65504
* config/i386/i386.c (ix86_copy_addr_to_reg): Set REG_POINTER
on the pseudo.
(expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Set
REG_POINTER on *destptr after adjusting it for prologue size.
Jakub Jelinek [Wed, 3 Jun 2015 15:27:43 +0000 (17:27 +0200)]
backport: re PR tree-optimization/65450 (Unaligned access with -O3 -mtune=k8)
Backported from mainline
2015-03-18 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/65450
* tree-vect-data-refs.c (vect_duplicate_ssa_name_ptr_info): New
function.
(vect_create_addr_base_for_vector_ref, vect_create_data_ref_ptr): Use
it instead of duplicate_ssa_name_ptr_info.
Jakub Jelinek [Wed, 3 Jun 2015 15:25:15 +0000 (17:25 +0200)]
backport: re PR gcov-profile/64634 (gcov reports catch(...) as not executed)
Backported from mainline
2015-02-18 Jakub Jelinek <jakub@redhat.com>
PR gcov-profile/64634
* tree-eh.c (frob_into_branch_around): Fix up typos
in function comment.
(lower_catch): Put eh_seq resulting from EH lowering of
the cleanup sequence after the cleanup rather than before
it.
Backport from mainline
2015-05-26 Michael Matz <matz@suse.de>
PR middle-end/66251
* tree-vect-stmts.c (vect_create_vectorized_demotion_stmts): Always set
STMT_VINFO_VEC_STMT, also with SLP.
* gcc.dg/vect/pr66251.c: New test.
2015-05-22 Richard Biener <rguenther@suse.de>
PR tree-optimization/66251
* tree-vect-stmts.c (vectorizable_conversion): Properly
set STMT_VINFO_VEC_STMT even for the SLP case.
* gfortran.fortran-torture/compile/pr66251.f90: New testcase.
2015-05-27 Richard Biener <rguenther@suse.de>
PR tree-optimization/66272
Revert parts of
2014-08-15 Richard Biener <rguenther@suse.de>
PR tree-optimization/62031
* tree-data-ref.c (dr_analyze_indices): Do not set
DR_UNCONSTRAINED_BASE.
(dr_may_alias_p): All indirect accesses have to go the
formerly DR_UNCONSTRAINED_BASE path.
* tree-data-ref.h (struct indices): Remove
unconstrained_base member.
(DR_UNCONSTRAINED_BASE): Remove.
* gcc.dg/torture/pr66272.c: New testcase.
2015-05-13 Richard Biener <rguenther@suse.de>
PR tree-optimization/66123
* tree-ssa-dom.c (propagate_rhs_into_lhs): Check if we found
a taken edge.
* gcc.dg/torture/pr66123.c: New testcase.
2015-06-02 Richard Biener <rguenther@suse.de>
PR debug/65549
* dwarf2out.c (lookup_context_die): New function.
(resolve_addr): Avoid forcing a full DIE for the
target of a DW_TAG_GNU_call_site during late compilation.
Instead create a stub DIE without a type if we have a
context DIE present.
backport: varasm.c (output_constant_pool_1): Pass down alignment from constant pool entry's descriptor to output_constant_pool_2.
Backported from mainline
2015-05-14 Rohit Arul Raj <rohitarulraj@freescale.com>
* varasm.c (output_constant_pool_1): Pass down alignment from
constant pool entry's descriptor to output_constant_pool_2.
(output_object_block): Add comment prior to call to
output_constant_pool_1.
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