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This is a mechanical change to move Selector_expression up in expressions.cc.
This will make it visible to Builtin_call_expression for later work.
This produces a very large "git --diff", but "git diff --minimal" is clear.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/536642
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This changes the Expression {numeric,string,boolean}_constant_value
methods non-const. This does not affect anything immediately,
but will be useful for later CLs in this series.
The only real effect is to Builtin_call_expression::do_export,
which remains const and can no longer call numeric_constant_value.
But it never needed to call it, as do_export runs after do_lower,
and do_lower replaces a constant expression with the actual constant.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/536641
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This is a boilerplate change to pass gogo to Runtime::make_call.
It's not currently used but will be used by later CLs in this series.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/536640
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This method is not currently used by anything, but it will be used
by later CLs in this series.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/536639
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The gofrontend incorrectly accepted code that was missing a type conversion.
The test case for this is bug518.go in https://go.dev/cl/536537.
Future CLs in this series will detect the type error.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/536638
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The last caller was removed in https://go.dev/cl/18261 in 2016.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/536637
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It's not used for anything.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/536636
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Also pass Gogo to the type verification pass.
This is a refactoring that does not change the compiler behavior.
This is in preparation for future CLs that rearrange the pass ordering.
This introduces one new call to go_get_gogo, which will be removed in
a future CL.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/536635
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Patch from Thomas Schwinge.
PR testsuite/109951
* configure.ac: 'AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)'.
* Makefile.in: Regenerate.
* configure: Likewise.
* testsuite/Makefile.in: Likewise.
* testsuite/lib/libgo.exp (libgo_init): If
'--with-build-sysroot=[...]' was specified, use it for build-tree
testing.
* testsuite/libgo-test-support.exp.in (GOC_UNDER_TEST): Don't set.
(SYSROOT_CFLAGS_FOR_TARGET): Set.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/527755
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Handle the AR environment variable, used by gccgo,
the same way we handle the CC environment variable.
This ports https://go.dev/cl/526275 to the gofrontend repo.
This is needed for gccgo testing because the top-level GCC Makefile
now passes a --plugin option to ar if it supports one.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/526295
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They are already collected via cmd/cgo.
The gccgo_link_c test is tweaked to do real linking as with this
change the cgo ldflags are not fully reflected in go build -n output,
since they now only come from the built archive.
This is a backport of https://go.dev/cl/497117 from the main repo.
For golang/go#60287
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/511675
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RISC-V lowers the TYPE_PRECISION for MODE_VECTOR_BOOL vectors in order
to distinguish between VNx1BI, VNx2BI, VNx4BI and VNx8BI.
This patch adjusts uses of MODE_VECTOR_BOOL to use GET_MODE_PRECISION
instead of GET_MODE_BITSIZE.
The RISC-V tests are provided by Juzhe.
Co-Authored-By: Juzhe-Zhong <juzhe.zhong@rivai.ai>
gcc/c-family/ChangeLog:
* c-common.cc (c_common_type_for_mode): Use GET_MODE_PRECISION.
gcc/ChangeLog:
* simplify-rtx.cc (native_encode_rtx): Ditto.
(native_decode_vector_rtx): Ditto.
(simplify_const_vector_byte_offset): Ditto.
(simplify_const_vector_subreg): Ditto.
* tree.cc (build_truth_vector_type_for_mode): Ditto.
* varasm.cc (output_constant_pool_2): Ditto.
gcc/fortran/ChangeLog:
* trans-types.cc (gfc_type_for_mode): Ditto.
gcc/go/ChangeLog:
* go-lang.cc (go_langhook_type_for_mode): Ditto.
gcc/lto/ChangeLog:
* lto-lang.cc (lto_type_for_mode): Ditto.
gcc/rust/ChangeLog:
* backend/rust-tree.cc (c_common_type_for_mode): Ditto.
gcc/testsuite/ChangeLog:
* gcc.target/riscv/rvv/autovec/vls-vlmax/bitmask-1.c: New test.
* gcc.target/riscv/rvv/autovec/vls-vlmax/bitmask-10.c: New test.
* gcc.target/riscv/rvv/autovec/vls-vlmax/bitmask-11.c: New test.
* gcc.target/riscv/rvv/autovec/vls-vlmax/bitmask-12.c: New test.
* gcc.target/riscv/rvv/autovec/vls-vlmax/bitmask-13.c: New test.
* gcc.target/riscv/rvv/autovec/vls-vlmax/bitmask-14.c: New test.
* gcc.target/riscv/rvv/autovec/vls-vlmax/bitmask-2.c: New test.
* gcc.target/riscv/rvv/autovec/vls-vlmax/bitmask-3.c: New test.
* gcc.target/riscv/rvv/autovec/vls-vlmax/bitmask-4.c: New test.
* gcc.target/riscv/rvv/autovec/vls-vlmax/bitmask-5.c: New test.
* gcc.target/riscv/rvv/autovec/vls-vlmax/bitmask-6.c: New test.
* gcc.target/riscv/rvv/autovec/vls-vlmax/bitmask-7.c: New test.
* gcc.target/riscv/rvv/autovec/vls-vlmax/bitmask-8.c: New test.
* gcc.target/riscv/rvv/autovec/vls-vlmax/bitmask-9.c: New test.
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* lang.opt (fgo-importcfg): New option.
* go-c.h (struct go_create_gogo_args): Add importcfg field.
* go-lang.cc (go_importcfg): New static variable.
(go_langhook_init): Set args.importcfg.
(go_langhook_handle_option): Handle -fgo-importcfg.
* gccgo.texi (Invoking gccgo): Document -fgo-importcfg.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/506095
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In the Go 1.21 release the package internal/profile imports
internal/lazyregexp. That works when bootstrapping with Go 1.17,
because that compiler has internal/lazyregep and permits importing it.
We also have internal/lazyregexp in libgo, but since it is not installed
it is not available for importing. This CL adds internal/lazyregexp
to the list of internal packages that are installed for bootstrapping.
The Go 1.21, and earlier, releases have a couple of functions in
the internal/abi package that are always fully intrinsified.
The gofrontend recognizes and intrinsifies those functions as well.
However, the gofrontend was also building function descriptors
for references to the functions without calling them, which
failed because there was nothing to refer to. That is OK for the
gc compiler, which guarantees that the functions are only called,
not referenced. This CL arranges to not generate function descriptors
for these functions.
For golang/go#60913
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/504798
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TARGET_AIX is defined to a non-zero value on linux and maybe other
powerpc64le targets. This leads to unexpected behavior such as
dropping the .go_export section when linking a shared library
on linux/powerpc64le.
Instead, use TARGET_AIX_OS to toggle AIX specific behavior.
Fixes golang/go#60798.
2023-06-22 Paul E. Murphy <murphyp@linux.ibm.com>
gcc/go/
* go-backend.cc [TARGET_AIX]: Rename and update usage to TARGET_AIX_OS.
* go-lang.cc: Likewise.
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This fixes an accidental omission in the determine types pass.
Test case is https://go.dev/cl/505015.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/504797
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The final argument to mmap, of type off_t, varies.
In CL 445375 we changed it to always use the C off_t type,
but that broke 32-bit big-endian Linux systems. On those systems,
using the C off_t type requires calling the mmap64 function.
In C this is automatically handled by the <sys/mman.h> file.
In Go, we would have to change the magic //extern comment to
call mmap64 when appropriate. Rather than try to get that right,
we instead go through a C function that uses C implicit type
conversions to pick the right type.
Fixes PR go/110297
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/504415
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In CL 384695 I simplified the code that built lists of benchmarks,
examples, and fuzz tests, and managed to break it. This CL corrects
the code to once again make the benchmarks available, and to run
the examples with output and the fuzz targets.
Doing this revealed a test failure in internal/fuzz on 32-bit x86:
a signalling NaN is turned into a quiet NaN on the 387 floating-point
stack that GCC uses by default. This CL skips the test.
Fixes golang/go#60826
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/503798
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As of https://go.dev/cl/476695 golang.org/x/sys/unix can call
syscall.prlimit, so we need such a function in libgo.
For golang/go#46279
Fixes golang/go#59712
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/486576
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Backport CL 421442 from upstream.
Original description:
Arrange for tests that call setMimeInit to fully restore the old values,
by clearing the sync.Once that controls initialization.
Once we've done that, call initMime in initMimeUnixTest because
otherwise the test types loaded there will be cleared by the call to
initMime that previously was not being done.
For golang/go#51648
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/483117
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In https://go.dev/cl/343873 we stopped padding zero-sized trailing
fields in functions that return multiple results where the last result
is zero-sized. This CL makes the corresponding change on the caller side.
The test case is https://go.dev/cl/479898.
Fixes golang/go#55242
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/479955
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The PR109086 r13-6690 inline_string_cmp change to
if (diff != result)
emit_move_insn (result, diff);
regressed
FAIL: go.test/test/fixedbugs/bug207.go, -O2 -g (internal compiler error: in emit_move_insn, at expr.cc:4224)
The problem is the Go FE doesn't mark __builtin_memcmp as pure as other FEs,
so we ended up with
__builtin_memcmp (whatever, whateverelse, somesize);
in the IL before expansion and the expansion ICEd on it.
As the builtin calls a library function which is pure or is inline expanded
as such, not marking it pure is an unnecessary pessimization from the FE
side, keeping such dead calls in the IL if they aren't needed will not help
anything.
The following patch fixes that. Initially I've added just DECL_PURE_P to
it, but that unfortunately broke bootstrap, for __builtin_memcmp there is
also __builtin_memcmp_eq registered by the middle-end code if not registered
earlier and that one is registered with the usual flags (pure, nothrow,
leaf), so if __builtin_memcmp from FE was just pure, it would appear in the
IL as that it can raise exceptions and when folded into __builtin_memcmp_eq
all of sudden it couldn't and we'd ICE in verification.
I think tons of functions should have builtin_nothrow as well, but changing
that wasn't necessary for this fix.
2023-03-24 Jakub Jelinek <jakub@redhat.com>
PR middle-end/109258
* go-gcc.cc (Gcc_backend): Add new static data members builtin_pure
and builtin_nothrow.
(Gcc_backend::Gcc_backend): Pass builtin_pure | builtin_nothrow for
BUILT_IN_MEMCMP.
(Gcc_backend::define_builtin): Handle builtin_pure and builtin_nothrow
in flags.
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Fixes golang/go#59169
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/478176
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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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PR go/108426
* go-gcc.cc (Gcc_backend::Gcc_backend): Define __builtin_ctzl and
__builtin_clzl. Patch by Andrew Pinski.
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Manual part of copyright year updates.
2023-01-02 Jakub Jelinek <jakub@redhat.com>
gcc/
* gcc.cc (process_command): Update copyright notice dates.
* gcov-dump.cc (print_version): Ditto.
* gcov.cc (print_version): Ditto.
* gcov-tool.cc (print_version): Ditto.
* gengtype.cc (create_file): Ditto.
* doc/cpp.texi: Bump @copying's copyright year.
* doc/cppinternals.texi: Ditto.
* doc/gcc.texi: Ditto.
* doc/gccint.texi: Ditto.
* doc/gcov.texi: Ditto.
* doc/install.texi: Ditto.
* doc/invoke.texi: Ditto.
gcc/ada/
* gnat_ugn.texi: Bump @copying's copyright year.
* gnat_rm.texi: Likewise.
gcc/d/
* gdc.texi: Bump @copyrights-d year.
gcc/fortran/
* gfortranspec.cc (lang_specific_driver): Update copyright notice
dates.
* gfc-internals.texi: Bump @copying's copyright year.
* gfortran.texi: Ditto.
* intrinsic.texi: Ditto.
* invoke.texi: Ditto.
gcc/go/
* gccgo.texi: Bump @copyrights-go year.
libgomp/
* libgomp.texi: Bump @copying's copyright year.
libitm/
* libitm.texi: Bump @copying's copyright year.
libquadmath/
* libquadmath.texi: Bump @copying's copyright year.
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2022 -> 2023
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This avoids clang warnings:
gcc/go/gofrontend/escape.cc:1290:17: warning: private field 'fn_' is not used [-Wunused-private-field]
gcc/go/gofrontend/escape.cc:3478:19: warning: private field 'context_' is not used [-Wunused-private-field]
gcc/go/gofrontend/lex.h:564:15: warning: private field 'input_file_name_' is not used [-Wunused-private-field]
gcc/go/gofrontend/types.cc:5788:20: warning: private field 'call_' is not used [-Wunused-private-field]
gcc/go/gofrontend/wb.cc:206:9: warning: private field 'gogo_' is not used [-Wunused-private-field]
Path by Martin Liška.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/458975
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Patch from Sören Tempel.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/458396
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PR go/108057
The current version is the same as for the previous GCC release,
but there have been minor changes like new type descriptors that
make it impossible to run Go programs built with the previous GCC
release with the current libgo.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/456976
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Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/454275
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This does the right thing for either glibc or musl on GNU/Linux.
Based on patch by Sören Tempel.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/454176
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This reverts commit c63539ffe4c0e327337a1a51f638d9c8c958cb26.
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This reverts commit 41a45cba0021f597dbfdec1f782026215ea21726.
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This reverts commit 54ca4eef58661a7d7a511e2bbbe309bde1732abf.
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This reverts commit 1f5a932e89b0c2c4a7af7f849ca2e2e3dbf329e0.
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This reverts commit e5821d3f62b5bf532db1be661459b7553a956fa2.
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This reverts commit 3ed1b4ce7c9bdf8c777d12da0f5fe4cae8ba7c8e.
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This reverts commit bd044dae51caea3c641f86ec5cb0ebccf7e06de7.
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