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gcc/po/
* be.po, da.po, de.po, el.po, es.po, fi.po, fr.po, hr.po, id.po,
ja.po, nl.po, ru.po, sr.po, sv.po, tr.po, uk.po, vi.po, zh_CN.po,
zh_TW.po: Update.
libcpp/po/
* be.po, ca.po, da.po, de.po, el.po, eo.po, es.po, fi.po, fr.po,
id.po, ja.po, ka.po, nl.po, pt_BR.po, ro.po, ru.po, sr.po, sv.po,
tr.po, uk.po, vi.po, zh_CN.po, zh_TW.po: Update.
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Add the rest of the weak-*.f90 testcases.
gcc/fortran/ChangeLog:
* trans-decl.cc (gfc_finish_var_decl): Apply attribute.
(generate_local_decl): Add diagnostic for dummy and local variables.
gcc/testsuite/ChangeLog:
* gfortran.dg/weak-2.f90: New test.
* gfortran.dg/weak-3.f90: New test.
Signed-off-by: Rimvydas Jasinskas <rimvydas.jas@gmail.com>
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This fixes a memory leak by accompanying the release of
gfc_actual_arglist elements' memory with a release of the
associated_dummy field memory (if allocated).
Actual argument copy is adjusted as well so that each copy can free
its field independently.
PR fortran/108923
gcc/fortran/ChangeLog:
* expr.cc (gfc_free_actual_arglist): Free associated_dummy
memory.
(gfc_copy_actual_arglist): Make a copy of the associated_dummy
field if it is set in the original element.
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gcc/fortran/ChangeLog:
PR fortran/108924
* frontend-passes.cc (do_subscript): Clear used gmp variable.
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Whitespace changes only.
Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
libstdc++-v3/ChangeLog:
* include/experimental/bits/simd.h: Line breaks and indenting
fixed to follow the libstdc++ standard.
* include/experimental/bits/simd_builtin.h: Likewise.
* include/experimental/bits/simd_fixed_size.h: Likewise.
* include/experimental/bits/simd_neon.h: Likewise.
* include/experimental/bits/simd_ppc.h: Likewise.
* include/experimental/bits/simd_scalar.h: Likewise.
* include/experimental/bits/simd_x86.h: Likewise.
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For simd, the inlining behavior should be similar to builtin types. (No
operator on buitin types is ever translated into a function call.)
Therefore, always_inline is the right choice (i.e. inline on -O0 as
well).
Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
libstdc++-v3/ChangeLog:
PR libstdc++/108030
* include/experimental/bits/simd_fixed_size.h
(_SimdImplFixedSize::_S_broadcast): Replace inline with
_GLIBCXX_SIMD_INTRINSIC.
(_SimdImplFixedSize::_S_generate): Likewise.
(_SimdImplFixedSize::_S_load): Likewise.
(_SimdImplFixedSize::_S_masked_load): Likewise.
(_SimdImplFixedSize::_S_store): Likewise.
(_SimdImplFixedSize::_S_masked_store): Likewise.
(_SimdImplFixedSize::_S_min): Likewise.
(_SimdImplFixedSize::_S_max): Likewise.
(_SimdImplFixedSize::_S_complement): Likewise.
(_SimdImplFixedSize::_S_unary_minus): Likewise.
(_SimdImplFixedSize::_S_plus): Likewise.
(_SimdImplFixedSize::_S_minus): Likewise.
(_SimdImplFixedSize::_S_multiplies): Likewise.
(_SimdImplFixedSize::_S_divides): Likewise.
(_SimdImplFixedSize::_S_modulus): Likewise.
(_SimdImplFixedSize::_S_bit_and): Likewise.
(_SimdImplFixedSize::_S_bit_or): Likewise.
(_SimdImplFixedSize::_S_bit_xor): Likewise.
(_SimdImplFixedSize::_S_bit_shift_left): Likewise.
(_SimdImplFixedSize::_S_bit_shift_right): Likewise.
(_SimdImplFixedSize::_S_remquo): Add inline keyword (to be
explicit about not always-inline, yet).
(_SimdImplFixedSize::_S_isinf): Likewise.
(_SimdImplFixedSize::_S_isfinite): Likewise.
(_SimdImplFixedSize::_S_isnan): Likewise.
(_SimdImplFixedSize::_S_isnormal): Likewise.
(_SimdImplFixedSize::_S_signbit): Likewise.
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Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
libstdc++-v3/ChangeLog:
PR libstdc++/108856
* include/experimental/bits/simd_builtin.h
(_SimdImplBuiltin::_S_masked_unary): More efficient
implementation of masked inc-/decrement for integers and floats
without AVX2.
* include/experimental/bits/simd_x86.h
(_SimdImplX86::_S_masked_unary): New. Use AVX512 masked subtract
builtins for masked inc-/decrement.
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The following avoids default-initializing auto_vec storage for
non-POD T since that's not what the allocated storage fallback
will do and it's also not expected for existing cases like
auto_vec<std::pair<unsigned, unsigned>, 64> elts;
which exist to optimize the allocation.
It also fixes the array accesses done by vec<vl_embed> to not
use its own m_vecdata member but instead access the container
provided storage via pointer arithmetic.
* vec.h (vec<T, A, vl_embed>::m_vecdata): Remove.
(vec<T, A, vl_embed>::m_vecpfx): Align as T to avoid
changing alignment of vec<T, A, vl_embed> and simplifying
address.
(vec<T, A, vl_embed>::address): Compute as this + 1.
(vec<T, A, vl_embed>::embedded_size): Use sizeof the
vector instead of the offset of the m_vecdata member.
(auto_vec<T, N>::m_data): Turn storage into
uninitialized unsigned char.
(auto_vec<T, N>::auto_vec): Allow allocation of one
stack member. Initialize m_vec in a special way to
avoid later stringop overflow diagnostics.
* vec.cc (test_auto_alias): New.
(vec_cc_tests): Call it.
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As preparation to remove m_vecdata in the vl_embed vector this
changes references to it into calls to address ().
As I was here it also fixes ::contains to avoid repeated bounds
checking and the same issue in ::lower_bound which also suffers
from unnecessary copying around values.
* vec.h (vec<T, A, vl_embed>::lower_bound): Adjust to
take a const reference to the object, use address to
access data.
(vec<T, A, vl_embed>::contains): Use address to access data.
(vec<T, A, vl_embed>::operator[]): Use address instead of
m_vecdata to access data.
(vec<T, A, vl_embed>::iterate): Likewise.
(vec<T, A, vl_embed>::copy): Likewise.
(vec<T, A, vl_embed>::quick_push): Likewise.
(vec<T, A, vl_embed>::pop): Likewise.
(vec<T, A, vl_embed>::quick_insert): Likewise.
(vec<T, A, vl_embed>::ordered_remove): Likewise.
(vec<T, A, vl_embed>::unordered_remove): Likewise.
(vec<T, A, vl_embed>::block_remove): Likewise.
(vec<T, A, vl_heap>::address): Likewise.
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As mentioned in the PR, when we use LTO, we wrongly use ltrans output
file name as a module name of a global variable. That leads to a
non-reproducible output.
After the suggested change, we emit context name of normal global
variables. And for artificial variables (like .Lubsan_data3), we use
aux_base_name (e.g. "./a.ltrans0.ltrans").
PR sanitizer/108834
gcc/ChangeLog:
* asan.cc (asan_add_global): Use proper TU name for normal
global variables (and aux_base_name for the artificial one).
gcc/testsuite/ChangeLog:
* c-c++-common/asan/global-overflow-1.c: Test line and column
info for a global variable.
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g++.dg/modules/virt-2_a.C fails on arm-eabi and many other arm targets
that use the AAPCS variant. ARM is the only target that overrides
TARGET_CXX_KEY_METHOD_MAY_BE_INLINE. It's not clear to me which way
the clash between AAPCS and C++ Modules design should be resolved, but
currently it favors AAPCS and thus the test fails, so skip it on
arm_eabi.
for gcc/testsuite/ChangeLog
PR c++/105224
* g++.dg/modules/virt-2_a.C: Skip on arm_eabi.
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The TS says the arguments to these constructors shall meet the Executor
requirements, so it's undefined if they don't. Constraining on a subset
of those requirements won't affect valid cases, but prevents the
majority of invalid cases from trying to instantiate the constructor.
This prevents the non-explicit executor(Executor) constructor being a
candidate anywhere that a net::executor could be constructed e.g.
comparing ip::tcp::v4() == ip::udp::v4() would try to convert both
operands to executor using that constructor, then compare then using
operator==(const executor&, const executor&).
libstdc++-v3/ChangeLog:
* include/experimental/executor (executor): Constrain template
constructors.
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libstdc++-v3/ChangeLog:
* include/experimental/internet (basic_endpoint): Add missing
constexpr to comparison operators.
* testsuite/experimental/net/internet/endpoint/cons.cc: New test.
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libstdc++-v3/ChangeLog:
* include/experimental/internet (network_v4::netmask()): Avoid
undefined shift.
(network_v4::broadcast()): Optimize and fix for targets with
uint_least32_t wider than 32 bits.
(network_v4::to_string(const Allocator&)): Fix for custom
allocators and optimize using to_chars.
(operator==(const network_v4&, const network_v4&)): Add missing
constexpr.
(operator==(const network_v6&, const network_v6&)): Likewise.
* testsuite/experimental/net/internet/network/v4/cons.cc: New test.
* testsuite/experimental/net/internet/network/v4/members.cc: New test.
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I messed up the endianness of the address_v4::bytes_type array, which
should always be in network byte order. We can just use bit_cast to
convert the _M_addr member to/from bytes_type.
libstdc++-v3/ChangeLog:
* include/experimental/internet (address_4(const bytes_type&)):
Use __builtin_bit_cast if available, otherwise convert to
network byte order.
(address_v4::to_bytes()): Likewise, but convert from network
byte order.
* testsuite/experimental/net/internet/address/v4/cons.cc: Fix
incorrect tests. Check for constexpr too.
* testsuite/experimental/net/internet/address/v4/creation.cc:
Likewise.
* testsuite/experimental/net/internet/address/v4/members.cc:
Check that bytes_type is a standard-layout type.
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This is an order of magnitude faster than calling inet_ntop (and not
only because we now avoid allocating a string that is one byte larger
than the SSO buffer).
libstdc++-v3/ChangeLog:
* include/experimental/internet (address_v4::to_string):
Optimize.
* testsuite/experimental/net/internet/address/v4/members.cc:
Check more addresses.
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libstdc++-v3/ChangeLog:
* include/ext/aligned_buffer.h (__aligned_buffer): Add
diagnostic pragmas.
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The options need to be set first, so that -std=gnu++20 is used when
checking the c++20 effective target.
libstdc++-v3/ChangeLog:
* testsuite/std/format/arguments/lwg3810.cc: Move dg-options
before dg-do.
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I've noticed the description of these wasn't updated when the mask2
argument has been added in 2019.
2023-02-24 Jakub Jelinek <jakub@redhat.com>
* config/i386/i386-builtin.def: Update description of BDESC
and BDESC_FIRST in file comment to include mask2.
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With the cleanup of the arch features in GCC 13 the comment on the FLAGS field in aarch64-cores.def
is now outdated. It's now a comma-separated list rather than a bitwise or.
Spotted while reviewing an aarch64-cores.def patch.
Update the comment.
gcc/ChangeLog:
* config/aarch64/aarch64-cores.def (FLAGS): Update comment.
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thunk [PR108854]
The following testcase ICEs on x86_64-linux with -m32. The problem is
we create an artificial thunk and because of -fPIC, ia32 and thunk
destination which doesn't bind locally can't use a mi thunk.
The ICE is because during expansion to RTL we see SSA_NAME for a PARM_DECL,
but the PARM_DECL doesn't have DECL_CONTEXT of the current function.
This is because duplicate_thunk_for_node creates a new DECL_ARGUMENTS chain
only if some arguments need modification.
The following patch fixes it by copying the DECL_ARGUMENTS list even if
the arguments can stay as is, to update DECL_CONTEXT on them. While for
mi thunks it doesn't really matter because we don't use those arguments
in any way, for other thunks it is important.
2023-02-23 Jakub Jelinek <jakub@redhat.com>
PR middle-end/108854
* cgraphclones.cc (duplicate_thunk_for_node): If no parameter
changes are needed, copy at least DECL_ARGUMENTS PARM_DECL
nodes and adjust their DECL_CONTEXT.
* g++.dg/opt/pr108854.C: New test.
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The builtins used in avx512bf16vlintrin.h implementation need both
avx512bf16 and avx512vl ISAs, which the header ensures for them, but
the builtins weren't actually requiring avx512vl, so when used by hand
with just -mavx512bf16 -mno-avx512vl it resulted in ICEs.
Fixed by adding OPTION_MASK_ISA_AVX512VL to their BDESC.
2023-02-24 Jakub Jelinek <jakub@redhat.com>
PR target/108881
* config/i386/i386-builtin.def (__builtin_ia32_cvtne2ps2bf16_v16bf,
__builtin_ia32_cvtne2ps2bf16_v16bf_mask,
__builtin_ia32_cvtne2ps2bf16_v16bf_maskz,
__builtin_ia32_cvtne2ps2bf16_v8bf,
__builtin_ia32_cvtne2ps2bf16_v8bf_mask,
__builtin_ia32_cvtne2ps2bf16_v8bf_maskz,
__builtin_ia32_cvtneps2bf16_v8sf_mask,
__builtin_ia32_cvtneps2bf16_v8sf_maskz,
__builtin_ia32_cvtneps2bf16_v4sf_mask,
__builtin_ia32_cvtneps2bf16_v4sf_maskz,
__builtin_ia32_dpbf16ps_v8sf, __builtin_ia32_dpbf16ps_v8sf_mask,
__builtin_ia32_dpbf16ps_v8sf_maskz, __builtin_ia32_dpbf16ps_v4sf,
__builtin_ia32_dpbf16ps_v4sf_mask,
__builtin_ia32_dpbf16ps_v4sf_maskz): Require also
OPTION_MASK_ISA_AVX512VL.
* gcc.target/i386/avx512bf16-pr108881.c: New test.
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from upstream
ASAN: keep support for Global::location
We as GCC still emit __asan_global_source_location for global variables
and we would like to use it in the future. On other hand, we don't
support llvm-symbolizer and the default libbacktraace symbolizer
does not support location info.
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gcc/ChangeLog:
* config/riscv/t-rtems: Keep only -mcmodel=medany 64-bit multilibs.
Add non-compact 32-bit multilibs.
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gcc/ChangeLog:
* config/mips/mips.md (*clo<mode>2): New pattern.
gcc/testsuite/ChangeLog:
* gcc.target/mips/clz.c: New test.
* gcc.target/mips/clo.c: New test.
* gcc.target/mips/mips.exp: New option HAS_CLZ.
Signed-off-by: Junxian Zhu <zhujunxian@oss.cipunited.com>
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This patch allows a function to request clearing of all instruction and execution
hazards upon normal return via __attribute__ ((use_hazard_barrier_return)).
2017-04-25 Prachi Godbole <prachi.godbole@imgtec.com>
gcc/ChangeLog:
* config/mips/mips.h (machine_function): New variable
use_hazard_barrier_return_p.
* config/mips/mips.md (UNSPEC_JRHB): New unspec.
(mips_hb_return_internal): New insn pattern.
* config/mips/mips.cc (mips_attribute_table): Add attribute
use_hazard_barrier_return.
(mips_use_hazard_barrier_return_p): New static function.
(mips_function_attr_inlinable_p): Likewise.
(mips_compute_frame_info): Set use_hazard_barrier_return_p.
Emit error for unsupported architecture choice.
(mips_function_ok_for_sibcall, mips_can_use_return_insn):
Return false for use_hazard_barrier_return.
(mips_expand_epilogue): Emit hazard barrier return.
* doc/extend.texi: Document use_hazard_barrier_return.
gcc/testsuite/ChangeLog:
* gcc.target/mips/hazard-barrier-return-attribute.c: New test.
Signed-off-by: Junxian Zhu <zhujunxian@oss.cipunited.com>
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gcc/
* config/xtensa/xtensa-dynconfig.cc (config.h, system.h)
(coretypes.h, diagnostic.h, intl.h): Use "..." instead of <...>
for the gcc-internal headers.
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gcc/
* config/xtensa/t-xtensa (xtensa-dynconfig.o): Use $(COMPILE)
and $(POSTCOMPILE) instead of manual dependency listing.
* config/xtensa/xtensa-dynconfig.c: Rename to ...
* config/xtensa/xtensa-dynconfig.cc: ... this.
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This change is a generalization of r13-6292-gddf6fe375d9110.
Historically, makeinfo exhibited a bug, due to which a structure like:
@item foo
@cindex foo
@cindex bar
... would be transformed into an item heading, with the first index
entry on it, followed by an item body, with the second index entry in
it. This has often lead to index entries not linking to relevant items,
but rather, just below them.
This bug was exhibited in both Info and HTML documentation, and was most
glaringly obvious in the latter.
After a discussion with the Texinfo developers, it was decided that the
appropriate construct for this case is:
@cindex foo
@cindex bar
@item foo
... which behaves correctly in newer versions, linking all the index
entries to the item itself. This pattern also produces copiable
anchors in HTML output.
This commit fixes most indices to follow the pattern above, however,
omits relevant changes in the Ada manuals, as the algorithm described
below lead to many false positives and unwanted changes in that manual.
Much like the previous commit, this change is mostly mechanical, with a
simple script. I have, however, gone over the patch myself also, to see
if there's anything that ought to be kept as-is. Formatter:
# GPL3+
use v5.35;
use strict;
use warnings;
my @lineq = ();
my @itemq = ();
my @indxq = ();
my $lstin = 0;
while (<>)
{
push (@lineq, $_);
if (/^\@[a-zA-Z0-9]{1,2}index\W/)
{
$lstin = @lineq;
push (@indxq, $_);
next;
}
if (/^\@itemx?\W/)
{
$lstin = @lineq;
push (@itemq, $_);
next;
}
next if $lstin && /^\s*(\@c(omment)?\W.*)?$/;
if (@indxq and @itemq)
{
print @indxq;
print @itemq;
print @lineq[$lstin..@lineq-1];
}
else
{
print @lineq;
}
@lineq = ();
@itemq = ();
@indxq = ();
$lstin = 0;
}
if (@indxq and @itemq)
{
print @indxq;
print @itemq;
print @lineq[$lstin..@lineq-1];
}
else
{
print @lineq;
}
# Local Variables:
# indent-tabs-mode: nil
# End:
gcc/d/ChangeLog:
* implement-d.texi: Reorder index entries around @items.
gcc/ChangeLog:
* doc/cfg.texi: Reorder index entries around @items.
* doc/cpp.texi: Ditto.
* doc/cppenv.texi: Ditto.
* doc/cppopts.texi: Ditto.
* doc/generic.texi: Ditto.
* doc/install.texi: Ditto.
* doc/extend.texi: Ditto.
* doc/invoke.texi: Ditto.
* doc/md.texi: Ditto.
* doc/rtl.texi: Ditto.
* doc/tm.texi.in: Ditto.
* doc/trouble.texi: Ditto.
* doc/tm.texi: Regenerate.
gcc/fortran/ChangeLog:
* invoke.texi: Reorder index entries around @items.
gcc/go/ChangeLog:
* gccgo.texi: Reorder index entries around @items.
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Register-register move instructions that can be easily seen as
unnecessary by the human eye may remain in the compiled result.
For example:
/* example */
double test(double a, double b) {
return __builtin_copysign(a, b);
}
test:
add.n a3, a3, a3
extui a5, a5, 31, 1
ssai 1
;; Be in the same BB
src a7, a5, a3 ;; Replacing the destination doesn't
;; violate any constraints of the
;; operands
;; No CALL insns in this span
;; Both A3 and A7 are irrelevant to
;; insns in this span
mov.n a3, a7 ;; An unnecessary reg-reg move
;; A7 is not used after this
ret.n
The last two instructions above, excluding the return instruction,
could be done like this:
src a3, a5, a3
This symptom often occurs when handling DI/DFmode values with SImode
instructions. This patch solves the above problem using peephole2
pattern.
gcc/ChangeLog:
* config/xtensa/xtensa.md: New peephole2 pattern that eliminates
the occurrence of general-purpose register used only once and for
transferring intermediate value.
gcc/testsuite/ChangeLog:
* gcc.target/xtensa/elim_GP_regmove_0.c: New test.
* gcc.target/xtensa/elim_GP_regmove_1.c: New test.
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only once
In the case of the CALL0 ABI, values that must be retained before and
after function calls are placed in the callee-saved registers (A12
through A15) and referenced later. However, it is often the case that
the save and the reference are each only once and a simple register-
register move (with two exceptions; i. the register saved to/restored
from is the stack pointer, ii. the function needs an additional stack
pointer adjustment to grow the stack).
e.g. in the following example, if there are no other occurrences of
register A14:
;; before
; prologue {
...
s32i.n a14, sp, 16
... ;; no frame pointer needed
;; no additional stack growth
; } prologue
...
mov.n a14, a6 ;; A6 is not SP
...
call0 foo
...
mov.n a8, a14 ;; A8 is not SP
...
; epilogue {
...
l32i.n a14, sp, 16
...
; } epilogue
It can be possible like this:
;; after
; prologue {
...
(no save needed)
...
; } prologue
...
s32i.n a6, sp, 16 ;; replaced with A14's slot
...
call0 foo
...
l32i.n a8, sp, 16 ;; through SP
...
; epilogue {
...
(no restoration needed)
...
; } epilogue
This patch adds the abovementioned logic to the function prologue/epilogue
RTL expander code.
gcc/ChangeLog:
* config/xtensa/xtensa.cc (machine_function): Add new member
'eliminated_callee_saved_bmp'.
(xtensa_can_eliminate_callee_saved_reg_p): New function to
determine whether the register can be eliminated or not.
(xtensa_expand_prologue): Add invoking the above function and
elimination the use of callee-saved register by using its stack
slot through the stack pointer (or the frame pointer if needed)
directly.
(xtensa_expand_prologue): Modify to not emit register restoration
insn from its stack slot if the register is already eliminated.
gcc/testsuite/ChangeLog:
* gcc.target/xtensa/elim_callee_saved.c: New.
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The translation PR complains that these 4 messages from xtensa-dynconfig.c
are marked in po/gcc.pot as c-format (which doesn't allow %qs) while they
should be gcc-internal-format.
The problem is in the manual translation of the strings with _(),
that should be both unnecessary because fatal_error invokes _() on its
argument already, but also incorrect for the above reason, for
gcc-internal-format strings one should use G_("...") instead if really
needed.
The following patch drops those _("..."), tested by regenerating po/gcc.pot
to see they are now gcc-internal-format, but not really tested on xtensa
target.
2023-02-23 Jakub Jelinek <jakub@redhat.com>
PR translation/108890
* config/xtensa/xtensa-dynconfig.c (xtensa_load_config): Drop _()s
around fatal_error format strings.
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On Wed, Feb 22, 2023 at 02:33:42PM -0300, Alexandre Oliva via Gcc-patches wrote:
> When a multi-source module is found to be unsupported, we fail
> module_cmi_p and subsequent sources. Override proc unsupported to
> mark the result in module_do, and test it to skip module_cmp_p and
> subsequent related tests.
>
> for gcc/testsuite/ChangeLog
>
> * g++.dg/modules/modules.exp: Override unsupported to update
> module_do, and test it after dg-test.
This patch breaks testing with more than one set of options in
target board, like
make check-g++ RUNTESTFLAGS='--target_board=unix\{-m32,-m64\} modules.exp'
yields:
...
=== g++ Summary for unix/-m32 ===
# of expected passes 7217
# of unexpected failures 1
# of expected failures 18
# of unsupported tests 2
Running target unix/-m64
...
ERROR: tcl error sourcing /home/jakub/src/gcc/gcc/testsuite/g++.dg/modules/modules.exp.
ERROR: tcl error code TCL OPERATION RENAME TARGET_EXISTS
ERROR: can't rename to "saved-unsupported": command already exists
while executing
"rename unsupported saved-unsupported"
(file "/home/jakub/src/gcc/gcc/testsuite/g++.dg/modules/modules.exp" line 322)
invoked from within
"source /home/jakub/src/gcc/gcc/testsuite/g++.dg/modules/modules.exp"
("uplevel" body line 1)
invoked from within
"uplevel #0 source /home/jakub/src/gcc/gcc/testsuite/g++.dg/modules/modules.exp"
invoked from within
"catch "uplevel #0 source $test_file_name" msg"
In other spots where we in *.exp files rename some routine, we guard that
and the following patch does that for modules.exp too.
Tested with running
make check-g++ RUNTESTFLAGS='--target_board=unix\{-m32,-m64\} modules.exp'
again which now works properly again.
2023-02-23 Jakub Jelinek <jakub@redhat.com>
PR testsuite/108899
* g++.dg/modules/modules.exp: Only override unsupported if it
exists and saved-unsupported doesn't.
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When handle_lhs_call calls .create on the passed in vector it leaks
any previous allocated storage. Avoid doing that and instead rely
on the caller for memory management, just truncate the vector.
* tree-ssa-structalias.cc (handle_lhs_call): Do not
re-create rhsc, only truncate it.
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This translation PR mentioned the description is a little bit weird.
2023-02-23 Jakub Jelinek <jakub@redhat.com>
PR translation/108890
* c.opt (fcontracts): Fix description.
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[PR106258]
There is another spot that handles in IPA just BUILT_IN_UNREACHABLE and
not BUILT_IN_UNREACHABLE_TRAP.
This patch fixes that.
2023-02-23 Jakub Jelinek <jakub@redhat.com>
PR middle-end/106258
* ipa-prop.cc (try_make_edge_direct_virtual_call): Handle
BUILT_IN_UNREACHABLE_TRAP like BUILT_IN_UNREACHABLE.
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Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
libstdc++-v3/ChangeLog:
* testsuite/experimental/simd/tests/reductions.cc: Introduce
max_distance as the type-dependent max error.
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Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
libstdc++-v3/ChangeLog:
* include/experimental/bits/simd_builtin.h (_S_set): Compare as
int. The actual range of these indexes is very small.
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Resolves -Wtautological-compare warnings about `if
(__builtin_is_constant_evaluated())` in the implementations of these
functions.
Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
libstdc++-v3/ChangeLog:
* include/experimental/bits/simd_x86.h (_S_bit_shift_left)
(_S_bit_shift_right): Declare constexpr. The implementation was
already expecting constexpr evaluation.
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Clang does not support __attribute__ on lambdas. Therefore, only set
_GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA if __clang__ is not defined.
Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
libstdc++-v3/ChangeLog:
PR libstdc++/108030
* include/experimental/bits/simd_detail.h
(_GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA): Define as empty for
__clang__.
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Broadcast is a very common function. This should reduce compile-time
effort.
Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
libstdc++-v3/ChangeLog:
PR libstdc++/108030
* include/experimental/bits/simd.h (__vector_broadcast):
Implement via __vector_broadcast_impl instead of
__call_with_n_evaluations + 2 lambdas.
(__vector_broadcast_impl): New.
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The following fixes if-conversion failing to release data-references
and the data-reference vector.
* tree-if-conv.cc (tree_if_conversion): Properly manage
memory of refs and the contained data references.
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The following makes sure to only predicate calls necessary.
PR tree-optimization/108888
* tree-if-conv.cc (if_convertible_stmt_p): Set PLF_2 on
calls to predicate.
(predicate_statements): Only predicate calls with PLF_2.
* g++.dg/torture/pr108888.C: New testcase.
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gcc/ChangeLog:
* config/xtensa/xtensa.md
(zero_cost_loop_start, zero_cost_loop_end, loop_end):
Add missing "SI:" to PLUS RTXes.
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In commit b2ef02e8cbbaf95fee98be255f697f47193960ec, the sibling call
insn included (use (reg:SI A0_REG)) to fix the problem, which added
a USE chain unconditionally to the data flow of register A0 during
the sibling call.
As a result, df_regs_ever_live_p (A0_REG) returns true, so even if
register A0 is not used outside of the sibling call insn, saves and
restores to stack slots are emitted in pro/epilogue, and finally
code size increases.
(This is why I never included (use A0) in sibling calls)
/* example */
extern int foo(int);
int test(int a) {
return foo(a * 3 + 1);
}
;; before
test:
addi sp, sp, -16 ;; unneeded stack frame allocation (induced)
s32i.n a0, sp, 12 ;; unneeded saving of register A0
l32i.n a0, sp, 12 ;; unneeded restoration of register A0
addx2 a2, a2, a2
addi.n a2, a2, 1
addi sp, sp, 16 ;; unneeded stack frame freeing (induced)
j.l foo, a9 ;; sibling call (truly needs register A0)
The essential cause is that we emit (use A0) *before* the insns that
does the stack pointer adjustment during epilogue expansion, so the
liveness of register A0 ends early, so register A0 is reused afterwards.
This patch fixes the problem and avoids such regression by doing the
emit of (use A0) in the sibling call epilogue expansion at the end.
;; after
test:
addx2 a2, a2, a2
addi.n a2, a2, 1
j.l foo, a9
>From RTL-pass "315r.rnreg" by
"gfortran -O3 -funroll-loops -mabi=call0 -S -da gcc-gnu/gcc/testsuite/gfortran.dg/allocate_with_source_5.f90":
;; Function selector_init (__selectors_MOD_selector_init, funcdef_no=2, decl_uid=987, cgraph_uid=3, symbol_order=4)
...
(insn 3807 3806 3808 121 (set (reg:SI 15 a15)
(mem/c:SI (plus:SI (reg/f:SI 1 sp)
(const_int 268 [0x10c])) [31 S4 A32])) "gcc-gnu/gcc/testsuite/gfortran.dg/allocate_with_source_5.f90":35:30 53 {movsi_internal}
(nil))
(insn 3808 3807 3809 121 (set (reg:SI 7 a7)
(const_int 288 [0x120])) "gcc-gnu/gcc/testsuite/gfortran.dg/allocate_with_source_5.f90":35:30 53 {movsi_internal}
(nil))
(insn 3809 3808 3810 121 (set (reg/f:SI 1 sp)
(plus:SI (reg/f:SI 1 sp)
(reg:SI 7 a7))) "gcc-gnu/gcc/testsuite/gfortran.dg/allocate_with_source_5.f90":35:30 1 {addsi3}
(expr_list:REG_DEAD (reg:SI 9 a9)
(nil)))
(insn 3810 3809 721 121 (use (reg:SI 0 a0)) "gcc-gnu/gcc/testsuite/gfortran.dg/allocate_with_source_5.f90":35:30 -1
(expr_list:REG_DEAD (reg:SI 0 a0)
(nil)))
(call_insn/j 721 3810 722 121 (call (mem:SI (symbol_ref:SI ("free") [flags 0x41] <function_decl 0x7f7c885f6000 __builtin_free>) [0 __builtin_free S4 A32])
(const_int 0 [0])) "gcc-gnu/gcc/testsuite/gfortran.dg/allocate_with_source_5.f90":35:30 discrim 1 106 {sibcall_internal}
(expr_list:REG_DEAD (reg:SI 2 a2)
(expr_list:REG_CALL_DECL (symbol_ref:SI ("free") [flags 0x41] <function_decl 0x7f7c885f6000 __builtin_free>)
(expr_list:REG_EH_REGION (const_int 0 [0])
(nil))))
(expr_list:SI (use (reg:SI 2 a2))
(nil)))
(IMHO the "rnreg" pass doesn't take REG_ALLOC_ORDER into account;
it just seems to allocate registers in fixed_regs index order,
which may have hurt register A0 that became allocatable in the recent
patch)
gcc/ChangeLog:
PR target/108876
* config/xtensa/xtensa.cc (xtensa_expand_epilogue):
Emit (use (reg:SI A0_REG)) at the end in the sibling call
(i.e. the same place as (return) in the normal call).
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This reverts commit b2ef02e8cbbaf95fee98be255f697f47193960ec.
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gcc/d/ChangeLog:
* gdc.texi: Reorder @opindex commands to precede @items they
relate to.
gcc/ChangeLog:
* doc/cppdiropts.texi: Reorder @opindex commands to precede
@items they relate to.
* doc/cppopts.texi: Ditto.
* doc/cppwarnopts.texi: Ditto.
* doc/invoke.texi: Ditto.
* doc/lto.texi: Ditto.
gcc/fortran/ChangeLog:
* invoke.texi: Reorder @opindex commands to precede @items they
relate to.
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