PR c++/71210
* gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
calls if the LHS is variable length or has addressable type.
If targets[0]->decl is a noreturn call with void return type and
zero arguments, adjust fntype and remove lhs in that case.
* g++.dg/opt/pr71210-1.C: New test.
* g++.dg/opt/pr71210-2.C: New test.
From-SVN: r236506
PR tree-optimization/29756
gcc.dg/tree-ssa/vector-6.c: Add -Wno-psabi -w to dg-options.
Add -msse2 for x86 and -maltivec for powerpc. Use scan-tree-dump-times
only on selected targets where V4SImode vectors are known to be
supported.
From-SVN: r236505
2016-05-20 Richard Biener <rguenther@suse.de>
* tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
gimple_seq_add_seq_without_update.
(release_bb_predicate): Assert we have no operands to free.
(if_convertible_loop_p_1): Calculate post dominators later.
Do not free BB predicates here.
(combine_blocks): Do not recompute BB predicates.
(version_loop_for_if_conversion): Save BB predicates around
loop versioning.
* gcc.dg/tree-ssa/ifc-cd.c: Adjust.
From-SVN: r236498
This patch restructures how the prologues/epilogues are inserted. Sibcalls
that run without prologue are now handled in shrink-wrap.c; it communicates
what is already handled by setting the EDGE_IGNORE flag. The
try_shrink_wrapping function then doesn't need to be passed the bb_flags
anymore.
* function.c (make_epilogue_seq): Remove epilogue_end parameter.
(thread_prologue_and_epilogue_insns): Remove bb_flags. Restructure
code. Ignore sibcalls on EDGE_IGNORE edges.
* shrink-wrap.c (handle_simple_exit): New function. Set EDGE_IGNORE
on edges for sibcalls that run without prologue. The rest of the
function is combined from...
(fix_fake_fallthrough_edge): ... this, and ...
(try_shrink_wrapping): ... a part of this. Remove the bb_with
function argument, make it a local variable.
From-SVN: r236491
A common way for a c_expr to have an uninitialized src_range is in
error-handling, where the "value" field is set to error_mark_node
without touching the src_range, leading to complaints from valgrind.
This patch introduces a new method c_expr::set_error which sets
the value to error_mark_node whilst initializing the src_range to
UNKNOWN_LOCATION.
This fixes the valgrind issue seen in PR c/71171, along with various
other related issues seen when running the testsuite using the
checker patch I posted here:
https://gcc.gnu.org/ml/gcc-patches/2015-12/msg00887.html
(this checker still doesn't fully work yet, but it seems to be good
for easily detecting these issues without needing Valgrind).
gcc/c/ChangeLog:
PR c/71171
* c-parser.c (c_parser_generic_selection): Use c_expr::set_error
in error-handling.
(c_parser_postfix_expression): Likewise.
* c-tree.h (c_expr::set_error): New method.
* c-typeck.c (parser_build_binary_op): In error-handling, ensure
that result's range is initialized.
From-SVN: r236488
The source-range handling for the array form of operator
new/delete erroneously assumed that the "]" was present,
leading to a dereference of NULL when it's absent.
Fix it thusly.
gcc/cp/ChangeLog:
PR c++/71184
* parser.c (cp_parser_operator): For array new/delete, check that
cp_parser_require returned a non-NULL token before dereferencing
it.
gcc/testsuite/ChangeLog:
PR c++/71184
* g++.dg/pr71184.C: New test case.
From-SVN: r236483
gcc/testsuite/ChangeLog:
2016-05-19 Kelvin Nilsen <kelvin@gcc.gnu.org>
* gcc.target/powerpc/darn-0.c: New test.
* gcc.target/powerpc/darn-1.c: New test.
* gcc.target/powerpc/darn-2.c: New test.
gcc/ChangeLog:
2016-05-19 Kelvin Nilsen <kelvin@gcc.gnu.org>
* config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
(UNSPEC_DARN_32): New unspec constant.
(UNSPEC_DARN_RAW): New unspec constant.
(darn_32): New instruction.
(darn_raw): New instruction.
(darn): New instruction.
* config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
support and documentation for this macro.
(BU_P9_MISC_1): New macro definition.
(BU_P9_64BIT_MISC_0): New macro definition.
(BU_P9_MISC_0): New macro definition.
(darn_32): New builtin definition.
(darn_raw): New builtin definition.
(darn): New builtin definition.
* config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
RS6000_BUILTIN_0 directives to surround each occurrence of
#include "rs6000-builtin.def".
(rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
RS6000_BTM_64BIT flags to the returned mask, depending on
configuration.
(def_builtin): Correct an error in the assignments made to the
debugging variable attr_string.
(rs6000_expand_builtin): Add support for no-operand built-in
functions.
(builtin_function_type): Remove fatal_error assertion that is no
longer valid.
(rs6000_common_init_builtins): Add support for no-operand built-in
functions.
* config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
definition.
(RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
definition.
(RS6000_BTM_64BIT): New macro definition.
* doc/extend.texi: Document __builtin_darn (void),
__builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
functions.
From-SVN: r236480
PR tree-optimization/71031
* tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
condition and adjust the code a bit.
* gcc.dg/tree-ssa/vrp100.c: New test.
From-SVN: r236477
* ipa-pure-const.c (set_function_state): Remove an existing
funct_state.
(remove_node_data): Do not free it as it's released
in set_function_state.
From-SVN: r236469
PR target/71056
* config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
NULL_TREE early if NEON is not available. Remove now redundant check
in ARM_CHECK_BUILTIN_MODE.
* gcc.target/arm/pr71056.c: New test.
From-SVN: r236459
It failed for targets that have an eh_return pattern with a splitter
gated by epilogue_done.
* function.c (thread_prologue_and_epilogue_insn): Move the
"goto epilogue_done" one block later.
From-SVN: r236441
opts-common.c's cmdline_handle_error handles invalid arguments
for options with CL_ERR_ENUM_ARG by building a string listing the
valid arguments. By also building a vec of valid arguments, we
can use find_closest_string and provide a hint if we see a close
misspelling.
gcc/ChangeLog:
PR driver/69265
* Makefile.in (GCC_OBJS): Move spellcheck.o to...
(OBJS-libcommon-target): ...here.
* opts-common.c: Include spellcheck.h.
(cmdline_handle_error): Build a vec of valid options and use it
to suggest provide hints for misspelled arguments.
gcc/testsuite/ChangeLog:
PR driver/69265
* gcc.dg/spellcheck-options-11.c: New test case.
From-SVN: r236439
PR c++/71100
* cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
lhs if it has TREE_ADDRESSABLE type.
* g++.dg/opt/pr71100.C: New test.
From-SVN: r236430
