In libgo system goroutines register themselves after they start. That
means that there is a small race between the goroutine being seen by
the scheduler and the scheduler knowing that the goroutine is a system
goroutine. That in turn means that runtime.NumGoroutines can
overestimate the number of
On Thu, Jun 22, 2017 at 11:09 AM, Rainer Orth
wrote:
>
>> Because of how gccgo implements cgo calls, the code in dropm may not
>> have any write barriers. As a step toward implementing that, change
>> the gcstack, gcnextsegment, and gcnextsp fields of the g struct to
>> uintptr, so that assignmen
James, any thoughts?
Ian
On Thu, Jun 22, 2017 at 12:55 AM, Andreas Schwab wrote:
> On Jun 21 2017, Ian Lance Taylor wrote:
>
>> Index: libgo/sysinfo.c
>> ===
>> --- libgo/sysinfo.c (revision 249205
This patch to libgo exports the getm function so that it can be
referenced by a test (from
runtime/testdata/testprogcgo/dropm_stub.go). The test is not
currently run, but it will be soon. Bootstrapped and ran Go testsuite
on x86_64-pc-linux-gnu. Committed to mainline.
Ian
Index: gcc/go/gofronte
The CgocallbackDone function calls dropm after it calls entersyscall,
which means that dropm must not have any write barriers. Mark it
accordingly. Bootstrapped and ran Go testsuite on
x86_64-pc-linux-gnu. Committed to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
This libgo patch uncomments a check. Now that systemstack changes to
the g0 stack, the check passes. Bootstrapped and ran Go testsuite on
x86_64-pc-linux-gnu. Committed to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
===
--- gcc/go
When a Go panic occurs while processing a deferred function that
recovered an earlier panic, we shouldn't report the recovered panic in
the panic stack trace. This libgo patch stops doing so by keeping
track of the panic that triggered a defer, marking it as aborted if we
see the defer again, and d
On Fri, Jun 23, 2017 at 2:34 AM, James Cowgill wrote:
> Hi,
>
> On 22/06/17 20:59, Ian Lance Taylor wrote:
>> James, any thoughts?
>>
>> Ian
>>
>> On Thu, Jun 22, 2017 at 12:55 AM, Andreas Schwab wrote:
>>> On Jun 21 2017, Ian Lanc
This patch to the Go frontend implements go:notinheap as the gc
compiler does. A type marked as go:notinheap may not live in the heap,
and does not require a write barrier. Struct and array types that
incorporate notinheap types are themselves notinheap. Allocating a
value of a notinheap type on th
In libgo the kickoff function for g0 can be invoked without a p, for
example from mcall(exitsyscall0) in exitsyscall after exitsyscall has
cleared the p field. The assignment gp.param = nil will invoke a write
barrier. If gp.param is not already nil, this will require a p. Avoid
the problem for a
Backport a patch just committed to gc tip. There is a bug report on
the golang-dev mailing list
(https://groups.google.com/d/msg/golang-dev/sDg-t1_DPw0/-AJmLxgPBQAJ)
in which waitid running on MIPS returns EFAULT, and this patch may fix
the problem. Bootstrapped and ran Go tests on x86_64-pc-linu
This patch to libgo changes the libgo version of the go tool to not
require GOROOT. GOROOT is only required for the gc toolchain, and is
not necessary for gccgo. This fixes running the gotools testsuite in
a GCC build directory when using a --prefix for which you've never run
`make install`. Boo
This patch to libgo completes the handling of a cgo-generated defer in
CgocallBackDone.
When C code calls a Go function, it actually calls a function
generated by cgo. That function is written in Go, and, among other
things, it calls the real Go function like this:
CgocallBack()
defer Cgoc
more testing. Bootstrapped and ran Go
testsuite on x86_64-pc-linux-gnu.
Ian
2017-06-23 Ian Lance Taylor
* Makefile.am (MOSTLYCLEANFILES): Remove testing files and logs.
(mostlyclean-local): Remove check-runtime-dir.
(ECHO_ENV): Define.
(check-go-tool): Depend on cgo. Write command to testlog
I merged GCC trunk revision 249632 to the gccgo branch.
Ian
On Sat, Jun 24, 2017 at 12:04 AM, Andreas Schwab wrote:
> On Jun 23 2017, Ian Lance Taylor wrote:
>
>> Andreas, can we avoid the problem for earlier glibc versions with a
>> patch like the appended?
>>
>> Ian
>>
>> diff --git a/libgo/sysinfo.c b/libgo/sy
On Mon, Jun 26, 2017 at 12:24 AM, Uros Bizjak wrote:
>
> libgo is now able to automatically determine PtraceRegs. Attached
> patch removes duplicate manual definition from system dependent
> source.
>
> Bootstrapped and regression tested on alphaev68-linux-gnu.
Thanks.
Committed to mainline.
Ia
const defaultCXX = "/usr/local/bin/g++"
> const defaultPkgConfig = "pkg-config"
>
> The absolute path is wrong, since - as mentioned above - the system
> compiler is installed in /usr/bin.
>
> Probably we just need to remove $bindir and assume
This patch adds the misc/cgo files from the Go 1.8.3 release to libgo.
These will be used for tests of the go tool in various modes.
Bootstrapped on x86_64-pc-linux-gnu. Committed to mainline.
Ian
patch.txt.gz
Description: GNU Zip compressed data
On Tue, Jun 27, 2017 at 12:52 AM, Andreas Krebbel
wrote:
>
> go bootstrap fails on s390x starting with r249472. With including the ptrace
> header the s390 special
> code in mksysinfo.sh isn't used anymore:
>
> if test "$regs" = ""; then
> # s390
> regs=`grep '^type __user_regs_struct struct'
On AIX:
* mmap does not allow to map an already mapped range,
* mmap range start at 0x3000 for 32 bits processes,
* mmap range start at 0x7000_ for 64 bits processes
This libgo patch by Matthieu Sarter addresses these issues.
Bootstrapped and ran Go testsuite on x86_64-pc-linux-gnu
This libgo patch fixes the go tool when using
-buildmode={c-archive,c-shared,pie} with gccgo. The tests are
misc/cgo tests that are not currently run but will be
run soon. Bootstrapped and ran Go testsuite on x86_64-pc-linux-gnu.
Committed to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
This patch fixes the misc/cgo/testcachive test to work with gccgo.
This test is not currently run, but it will be soon. Bootstrapped on
x86_64-pc-linux-gnu. Committed to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
===
--- gcc/go/go
.
Ian
2017-06-29 Ian Lance Taylor
* Makefile.am (MOSTLYCLEANFILES): Remove testing files and logs.
(mostlyclean-local): Remove check-runtime-dir, cgo-test-dir,
carchive-test-dir.
(ECHO_ENV): Define.
(check-go-tool): Depend on cgo. Write command to testlog.
(check-runtime): New target.
(check-cgo
On Sat, Nov 4, 2017 at 3:07 AM, Gerald Pfeifer wrote:
> On Fri, 6 Oct 2017, Ian Lance Taylor wrote:
>> Thanks for the report. I committed this patch, which I hope will fix
>> the problem.
>
>> * ztest.c (test_large): Pass unsigned long *, not size_t *, to
>> zlib
This libgo patch from Tony Reix fixes libgo on AIX, where reads from
address 0 simply return 0 rather than crashing with a segmentation
violation. The libgo code was expecting the latter, which caused some
tests to fail. Bootstrapped and ran Go testsuite on
x86_64-pc-linux-gnu. Committed to main
This patch to the Go frontend by Than McIntosh removes the LHS/RHS
context determination for variable references. It used to be needed
for a different backend but it's no longer necessary. Bootstrapped
and ran Go testsuite on x86_64-pc-linux-gnu. Committed to mainline.
Ian
2017-11-14 Than M
This patch to the Go frontend reports an error when ++ or -- is used
with a non-numeric type. This avoids a later compiler crash. This
fixes GCC PR 83071. Bootstrapped and ran Go testsuite on
x86_64-pc-linux-gnu. Committed to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
===
This patch by Than McIntosh fixes a small bug in the libgo Makefile
recipe that constructs the directory from which to pick up
libgcc_s.so; the gccgo invocation with -print-libgcc-file-name was
missing the flags, which meant that for -m32 builds we'd see the
64-bit libgcc dir. Bootstrapped and ran
On Tue, Nov 21, 2017 at 11:53 AM, Eric Botcazou wrote:
>> This patch by Than McIntosh fixes a small bug in the libgo Makefile
>> recipe that constructs the directory from which to pick up
>> libgcc_s.so; the gccgo invocation with -print-libgcc-file-name was
>> missing the flags, which meant that f
On Wed, Nov 22, 2017 at 3:06 AM, Jonathan Wakely wrote:
> On 22/11/17 10:56 +, Jonathan Wakely wrote:
>>
>> On 22/11/17 11:23 +0100, Rainer Orth wrote:
>>>
>>> Hi Jonathan,
>>>
This uses static_assert to improve the errors when attempting to
instantiate invalid specializations of con
This libgo patch by Tony Reix passes a -X option to ar on AIX, so that
it does the right object file handling. Bootstrapped and ran Go
testsuite on x86_64-pc-linux-gnu. Committed to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
===
-
This patch changes the Go frontend to not make the map zero value
constant. The map zero value is a common symbol, and it doesn't
really make sense to have a constant common symbol. Current GCC has
started to reject this case, probably as part of the fix for PR 83100.
Bootstrapped and ran Go tests
Jakub Jelinek writes:
> between static var initializers inside of a function and outside of
> functions. Apparently we've done that earlier, but only at -O1 and above
> where decl_constant_value would be called and in initializers inside of
> functions would fold to DECL_INITIAL if other conditi
This patch to the Go frontend by Than McIntosh adds a new control
variable to the Gogo class that stores the size threshold for nil
checks. This value can be used to control the policy for deciding when
a given deference operation needs a check and when it does not. A size
threshold of -1 means tha
12-01 Ian Lance Taylor
* go-gcc.cc (Gcc_backend::Gcc_backend): Define
__builtin_unreachable.
(Gcc_backend::function): Add does_not_return parameter.
Index: gcc/go/go-gcc.cc
===
--- gcc/go/go-gcc.cc(revision 255340)
+++ gcc/go
This patch to libgo exports the cgoCheck functions. The functions
cgoCheckPointer and cgoCheckResult are called by code generated by
cgo. That means that we need to export them using go:linkname, as
otherwise they are local symbols. The cgo code currently uses weak
references to only call the symb
This patch to the Go frontend by Than McIntosh adds the "no nil check
needed" annotation to the dereference operations created in
Parse::enclosing_var_reference (this is safe since the closure object
is under control of the compiler, and pointer fields in it will always
be non-nil). Bootstrapped a
This patch by Than McIntosh changes the Go frontend code in
Unary_expression::do_get_backend that introduces explicit nil checks
for dereference operations to special case set-and-use-temporary
expressions. For this case it is better to generate an explicit
reference of the temp in the final condit
This patch by Than McIntosh removes -fplan9-extensions from the CFLAGS
used for libgo. It is no longer needed since the runtime was
converted from C to Go. Bootstrapped and ran Go testsuite on
x86_64-pc-linux-gnu. Committed to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
===
d made by means of gmake.
>
> ChangeLog:
> * go-lang.c (go_langhook_init): Handle AIX case for
> nil_check_size_threshold.
Thanks. I changed it to avoid #ifdef in the middle of the function,
and committed as follows.
Ian
2017-12-12 Tony Reix
Ian Lance Taylor
* go-lang.c
This patch by Tony Reix adds an emulation of the Flock call to libgo's
syscall package on AIX. Committed to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
===
--- gcc/go/gofrontend/MERGE (revision 255666)
+++ gcc/go/gofrontend/MERG
This patch by Tony Reix changes the libgo tests for the os package on
AIX to use hostname -s, not plain hostname. Bootstrapped and ran Go
tests on x86_64-pc-linux-gnu. Committed to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
===
--
This patch to the Go frontend by Cherry Zhang improves the escape
analysis diagnostics. This brings the diagnostics closer to those
generated by the gc compiler, which makes porting and debugging the
escape analysis code easier.
- In the gc compiler, the variable expression is represented with th
This patch to the Go frontend by Cherry Zhang brings the Go frontend's
escape analysis mostly in line with gc compiler.
Changes include:
- In the gc compiler, the variable expression is represented with the
variable node itself (ONAME). It is the same node used in the AST for
multiple var express
This patch by Cherry Zhang fixes the Go frontend to not propagate
address-taken of a slice element to the slice.
Array_index_expression may be used for indexing/slicing array or
slice. If a slice element is address taken, the slice itself is not
necessarily address taken. Only propagate address-ta
using the direct instruction (fsqrt, etc.).
Bootstrapped and ran Go testsuite on x86_64-pc-linux-gnu. Committed
to mainline.
Ian
2018-01-05 Ian Lance Taylor
* go-gcc.cc (Gcc_backend::Gcc_backend): Correct
math_function_type_long to take one argument.
Index: go-gcc.cc
This libgo patch by James Clarke fixes GOARCH_CACHELINESIZE on ia64.
Bootstrapped on x86_64-pc-linux-gnu. Committed to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
===
--- gcc/go/gofrontend/MERGE (revision 256262)
+++ gcc/go/gofr
and ran Go testsuite on x86_64-pc-linux-gnu. Committed
to mainline.
Ian
2018-01-08 Ian Lance Taylor
* Makefile.am (go_cmd_vet_files): New variable.
(go_cmd_buildid_files, go_cmd_test2json_files): New variables.
(s-zdefaultcc): Change from constants to functions.
(noinst_PROGRAMS): Add vet, bu
This libgo patch by Tony Reix adds a patch to the AIX certificate
file. Bootstrapped and ran Go testsuite on x86_64-pc-linux-gnu.
Committed to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
===
--- gcc/go/gofrontend/MERGE (revision
Update libgo so that the vet tool works with gccgo. This is a
backport of https://golang.org/cl/113715 and
https://golang.org/cl/113716:
cmd/go: don't pass -compiler flag to vet
Without this running go vet -compiler=gccgo causes vet to fail.
The vet tool does need to know the compiler, but it is
This patch to libgo updates it to the 1.10.2 release. Bootstrapped
and ran Go testsuite on x86_64-pc-linux-gnu. Committed to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
===
--- gcc/go/gofrontend/MERGE (revision 260913)
+++ gcc/
rnal/load to go/build.
Ian
gotools/ChangeLog:
Backport from mainline:
2018-05-09 Ian Lance Taylor
* Makefile.am (check-go-tool): Don't copy zstdpkglist.go.
* Makefile.in: Rebuild.
Index: gotools/Makefile.am
===
--- gotools/M
This patch by Than McIntosh fixes type traversal in the Go frontend to
avoid compiler crashes for test cases where a type T includes an
expression that refers back to the type without actually explicitly
mentioning T. Examples include:
var x [uintptr(unsafe.Sizeof(&x))]byte
var a [len(a)]int
This libgo patch by Massimiliano Ghilardi changes the reflect package
to canonicalize types returned by StructOf() and friends.
Since gccgo does not currently merge identical types at link time, the
reflect function canonicalize() exists to choose a canonical specimen
for each set of identical typ
This libgo patch adjusts the hash and string fields computed by
reflect.StructOf to match the values that the compiler computes for a
struct type with the same field names and types. This makes the
reflect code match the compiler's Type::hash_for_method and
Type::reflection methods. This fixes ht
The Go frontend used to do variable initializer sorting by looping
through all the initialized variables and, for each one, looping
through all the initialized variables and checking for a dependency.
For very large packages with thousands of initialized global
variables, this quadratic loop could
I've merged trunk revision 261284 to the gccgo branch.
Ian
This patch to the Go frontend by Cherry Zhang removes
stack_allocation_expression from the backend interface. Now that we
consistently use temporary variables for temporaries,
stack_allocation_expression is no longer used. Bootstrapped and ran
Go testsuite on x86_64-pc-linux-gnu. Committed to ma
This libgo patch add riscv and js/wasm as known targets. This
incorporates cut down versions of https://golang.org/cl/102835 and
https://golang.org/cl/106256 from the master sources. This will tell
the go/build to skip files with those tags. Bootstrapped and ran Go
testsuite on x86_64-pc-linux-g
On Mon, Jun 11, 2018 at 12:22 PM, Palmer Dabbelt wrote:
> On Mon, 11 Jun 2018 12:16:39 PDT (-0700), i...@golang.org wrote:
>>
>> This libgo patch add riscv and js/wasm as known targets. This
>> incorporates cut down versions of https://golang.org/cl/102835 and
>> https://golang.org/cl/106256 from
This patch updates libgo to the 1.10.3 release. Bootstrapped and ran
Go testsuite on x86_64-pc-linux-gnu. Committed to mainline and GCC 8
branch.
Ian
Index: gcc/go/gofrontend/MERGE
===
--- gcc/go/gofrontend/MERGE (revision 26152
This patch to the Go frontend by Than McIntosh includes global
variable preinit blocks in AST dumps. Each preinit block is prefixed
with a comment indicating the variable it is initializing.
Bootstrapped and ran Go testsuite on x86_64-pc-linux-gnu. Committed
to mainline.
Ian
Index: gcc/go/gofron
This patch to the Go frontend by Than McIntosh fixes the compier to
avoid introducing redundant write barriers. The traversal used by the
write barrier insertion phase can sometimes wind up visiting new
statements inserted during the traversal, which then results in
duplicate / redundant write bar
On Wed, Jun 20, 2018 at 12:02 PM, Than McIntosh wrote:
>
> Please find below a patch to fix PR 86213. This changes the runtime
> code for -fsplit-stack to move a couple of calls (getenv, etc) from
> the routine called by __morestack to a function called on startup,
> so as to avoid having the call
On Wed, Jun 20, 2018 at 2:11 PM, Ian Lance Taylor wrote:
> On Wed, Jun 20, 2018 at 12:02 PM, Than McIntosh wrote:
>>
>> Please find below a patch to fix PR 86213. This changes the runtime
>> code for -fsplit-stack to move a couple of calls (getenv, etc) from
>> the ro
This libgo patch re-enables a couple of tests that are specific gccgo.
This is a port of https://golang.org/cl/120375 so that it gets more
reliable testing. Bootstrapped and ran Go testsuite on
x86_64-pc-linux-gnu. Committed to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
===
Reportedly glibc 2.28 removes the ustat.h header file and the ustat
function. This breaks libgo, which provides syscall.Ustat that calls
the C ustat function. Fix this by removing syscall.Ustat from libgo.
Bootstrapped and ran Go testsuite on x86_64-pc-linux-gnu. Committed
to mainline, GCC 8 bra
This patch by Cherry Zhang fixes the libgo runtime code to
consistently use #ifdef instead of #if for USING_SPLIT_STACK.
Bootstrapped and ran Go testsuite on x86_64-pc-linux-gnu. Committed
to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
Since it looks like there might be a 6.5 release, here is backport of
https://gcc.gnu.org/ml/gcc-patches/2018-06/msg01420.html
to GCC 6 branch. This removes the syscall.Ustat function from libgo,
since the ustat function is being removed from new versions of glibc.
Bootstrapped and ran Go tests
This patch to the Go frontend by Cherry Zhang adds some escape
analysis improvements to the Go frontend. These are based on earlier
patches to the gc compiler.
- https://golang.org/cl/99335: unnamed receiver should not escape.
- https://golang.org/cl/105257: propagate loop depth to field. This p
right relationship for the
DECL_CONTEXT setting. Bootstrapped and ran Go testsuite on
x86_64-pc-linux-gnu. Committed to mainline.
Ian
2018-06-28 Ian Lance Taylor
PR go/86343
* go-gcc.cc (Gcc_backend::set_placeholder_struct_type): Call
build_variant_type_copy rather than
The libgo code to create a backtrace state would sometimes call
stat(NULL). This didn't matter, since the stat failure would not
cause any further problem, but it was pointless and sloppy. The
problem was pointed out by Andreas Schwab in PR 86331. This patch
removes it. Bootstrapped and ran Go
On Fri, Jun 29, 2018 at 8:43 AM, Jakub Jelinek wrote:
> On Fri, Jun 29, 2018 at 09:09:38AM -0600, Jeff Law wrote:
>> > Btw, running find to search for libtool.m4/ltmain.sh I find extra copies in
>> >
>> > ./libgo/config/ltmain.sh
>> > ./libgo/config/libtool.m4
>> >
>> > which are nearly identical
This patch by Cherry Zhang fixes a case in the Go frontend that was
using std::unodered_map where it should use the macro Unordered_map
for more portability. Bootstrapped on x86_64-pc-linux-gnu. Committed
to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
===
This patch by Cherry Zhang adds a new -fgo-debug-escape-hash option
to the Go frontend. This option takes a string that can be used to
select specific functions on which to run escape analysis. This makes
it easier to find escape analysis bugs by doing a binary search over
all the functions, enab
In the Go frontend, if a local variable's address is taken and passed
out of its lexical scope, the GCC middle-end may reuse the stack slot
for the variable, not knowing it is still live through a pointer.
This patch by Cherry Zhang creates a top-level temporary variable and
let the user-defined va
On Tue, Jan 9, 2018 at 12:26 PM, Rainer Orth
wrote:
> Hi Ian,
>
>> This patch updates libgo to the Go1.10beta1 release. The final Go
>> 1.10 release is expected around February 1, so it's not clear how the
>> release timing is going to work with GCC 8. In any case this updates
>> GCC to somethin
This patch to the Go frontend by Cherry Zhang delays escaping sliced
arrays. Arrays that are sliced are set to escape in type checking,
very early in compilation. The escape analysis runs later but cannot
undo it. This patch changes it to not escape in the early stage.
Later the escape analysis
This patch to the Go frontend by Cherry Zhang stack allocates a
non-escaping make of a slice type with a constant length and capacity.
Bootstrapped on x86_64-pc-linux-gnu. Committed to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
===
This patch to the Go frontend by Cherry Zhang adds support for the
go:noescape compilation pragma across packages.
https://golang.org/cl/83876 added support for the go:noescape pragma,
but only for functions called from the same package. The pragma did
not take effect for exported functions that a
This patch to the Go frontend by Cherry Zhang moves some checks of
escape state earlier, from get_backend to Mark_address_taken. This
permits us to reclaim escape analysis Nodes before kicking off the
backend (although that is not done in this patch). Also it makes it
easier to check variables a
This patch to the Go frontend by Cherry Zhang makes non-escaping
Bound_method_expression not heap allocate. It stack allocates the
closure when it does not escape. Bootstrapped on x86_64-pc-linux-gnu.
Committed to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
This patch to the Go frontend by Cherry Zhang stack allocates defer
thunk when possible, which is to say when the defer statement is not
in a loop. Bootstrapped on x86_64-pc-linux-gnu. Committed to
mainline.
Ian
Index: gcc/go/gofrontend/MERGE
=
This patch to the Go frontend by Cherry Zhang sets captured variable
addresses to nonescape until the flood phase. The escape analysis
pass models closures by flowing captured variable address to the
closure node. However, the escape state for the address expressions
remained unset as ESCAPE_UNKN
This patch to the Go frontend by Cherry Zhang uses a temporary
variable for stack allocation when possible. Currently, an allocation
expression that can be allocated on stack is implemented with
__builtin_alloca, which turns into __morestack_allocate_stack_space,
which may call the C malloc functi
This patch by Tony Reix adds some aix build tags to new libgo files.
Bootstrapped on x86_64-pc-linux-gnu. Committed to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
===
--- gcc/go/gofrontend/MERGE (revision 256412)
+++ gcc/go/gofr
This patch by Tony Reix adds AIX support to cmd/go in libgo. For
gccgo code avoid --whole-archive and -(. Use -blibpath instead of
-rpath. Bootstrapped and ran Go testsuite on x86_64-pc-linux-gnu.
Committed to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
This libgo patch by Cherry Zhang adds some noescape cases to the
runtime package. This is in preparation of turning on escape analysis
for the
runtime.
- In gccgo, systemstack is implemented with mcall, which is not
go:noescape. Wrap the closure in noescape so the escape analysis
does not th
This libgo patch by Cherry Zhang works around some escaping code in
runtime/export_test.go. When compiling the runtime, local variables
and closures may not be heap allocated. In one test, there is a go
statement with a closure. In the gc compiler, it distinguishes
capturing variable by value vs
On Tue, Jan 9, 2018 at 11:34 PM, Uros Bizjak wrote:
>> This patch updates libgo to the Go1.10beta1 release. The final Go
>> 1.10 release is expected around February 1, so it's not clear how the
>> release timing is going to work with GCC 8. In any case this updates
>> GCC to something pretty clo
On Wed, Jan 10, 2018 at 5:35 AM, Ian Lance Taylor wrote:
> On Tue, Jan 9, 2018 at 11:34 PM, Uros Bizjak wrote:
>>> This patch updates libgo to the Go1.10beta1 release. The final Go
>>> 1.10 release is expected around February 1, so it's not clear how the
>>> r
On Wed, Jan 10, 2018 at 3:44 AM, Rainer Orth
wrote:
>
>>> the patch broke Solaris bootstrap:
>>>
>>> mv: cannot stat 'os/signal/internal/pty.s-gox.tmp': No such file or
>>> directory
>>> make[4]: *** [Makefile:3348: os/signal/internal/pty.s-gox] Error 1
>>> make[4]: *** Waiting for unfinished job
On Sun, Dec 17, 2017 at 4:38 AM, John Paul Adrian Glaubitz
wrote:
>
> This is the second version of my patch to add support for SuperH
> in libgo. The changes over my first patch in [1] are:
>
> * account for little- and big-endian targets
> * account for sh3- and sh4-specific parameters
>
> I h
On Wed, Jan 10, 2018 at 6:00 AM, Uros Bizjak wrote:
> On Wed, Jan 10, 2018 at 2:37 PM, Ian Lance Taylor wrote:
>> On Wed, Jan 10, 2018 at 5:35 AM, Ian Lance Taylor wrote:
>>> On Tue, Jan 9, 2018 at 11:34 PM, Uros Bizjak wrote:
>>>>> This patch updates libgo
On Wed, Jan 10, 2018 at 6:30 AM, John Paul Adrian Glaubitz
wrote:
> On 01/10/2018 03:25 PM, Ian Lance Taylor wrote:
>>
>> Thanks. I finally took a look at this. I don't know much about SH,
>> but I don't think we want to add each SH variant as a separate GOARCH
On Wed, Jan 10, 2018 at 6:30 AM, Oleg Endo wrote:
> On Wed, 2018-01-10 at 06:25 -0800, Ian Lance Taylor wrote:
>>
>> Thanks. I finally took a look at this. I don't know much about SH,
>> but I don't think we want to add each SH variant as a separate GOARCH
>
On Wed, Jan 10, 2018 at 3:44 AM, Rainer Orth
wrote:
>
> thanks. Testing has now concluded as well. x86 results are good (no
> regressions except for cmd/internal/buildid which fails on Linux, too),
> as are 64-bit sparc results.
The cmd/internal/buildid test does pass on my system. What are yo
On Wed, Jan 10, 2018 at 5:42 AM, Ian Lance Taylor wrote:
>
> Whoops, there's a bug on big-endian 32-bit systems. I'm testing
> https://golang.org/cl/87135.
Committed as follows.
Ian
Index: gcc/go/gofrontend/MERGE
===
On Wed, Jan 10, 2018 at 6:34 AM, Ian Lance Taylor wrote:
>
> Thanks. I think https://golang.org/cl/87137 will fix it.
Committed as follows.
Ian
Index: gcc/go/gofrontend/MERGE
===
--- gcc/go/gofrontend/MERGE (revision
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