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* [TCWG CI] Regression caused by gcc: Append target/optimize attr to the current cmdline.
@ 2021-10-01 15:02 ci_notify
[not found] ` <3433895F-7734-4EFF-9F63-AAF29DC27D24@linaro.org>
0 siblings, 1 reply; 3+ messages in thread
From: ci_notify @ 2021-10-01 15:02 UTC (permalink / raw)
To: Martin Liska; +Cc: gcc-regression
[TCWG CI] Regression caused by gcc: Append target/optimize attr to the current cmdline.:
commit 6de9f0c13b27c34336587da19d03200f8cc6bcd5
Author: Martin Liska <mliska@suse.cz>
Append target/optimize attr to the current cmdline.
Results regressed to
# reset_artifacts:
-10
# true:
0
# build_abe binutils:
1
# First few build errors in logs:
# 00:02:04 /home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/snapshots/gcc.git~master/libgcc/unwind.inc:87:1: internal compiler error: Segmentation fault
# 00:02:04 /home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/snapshots/gcc.git~master/libgcc/unwind.inc:87:1: internal compiler error: Segmentation fault
# 00:02:04 make[2]: *** [/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/snapshots/gcc.git~master/libgcc/shared-object.mk:14: unwind-dw2.o] Error 1
# 00:02:04 make[2]: *** [/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/snapshots/gcc.git~master/libgcc/shared-object.mk:17: unwind-dw2_s.o] Error 1
# 00:02:05 make[1]: *** [Makefile:13896: all-target-libgcc] Error 2
# 00:02:05 make: *** [Makefile:975: all] Error 2
from
# reset_artifacts:
-10
# true:
0
# build_abe binutils:
1
# build_abe gcc:
2
# build_abe linux:
4
# build_abe glibc:
5
# build_abe gdb:
6
THIS IS THE END OF INTERESTING STUFF. BELOW ARE LINKS TO BUILDS, REPRODUCTION INSTRUCTIONS, AND THE RAW COMMIT.
This commit has regressed these CI configurations:
- tcwg_gnu_native_build/master-aarch64
First_bad build: https://ci.linaro.org/job/tcwg_gnu_native_build-bisect-master-aarch64/3/artifact/artifacts/build-6de9f0c13b27c34336587da19d03200f8cc6bcd5/
Last_good build: https://ci.linaro.org/job/tcwg_gnu_native_build-bisect-master-aarch64/3/artifact/artifacts/build-97909f80fde6c4ce2a2fa1e11b325a80c4741b8c/
Baseline build: https://ci.linaro.org/job/tcwg_gnu_native_build-bisect-master-aarch64/3/artifact/artifacts/build-baseline/
Even more details: https://ci.linaro.org/job/tcwg_gnu_native_build-bisect-master-aarch64/3/artifact/artifacts/
Reproduce builds:
<cut>
mkdir investigate-gcc-6de9f0c13b27c34336587da19d03200f8cc6bcd5
cd investigate-gcc-6de9f0c13b27c34336587da19d03200f8cc6bcd5
# Fetch scripts
git clone https://git.linaro.org/toolchain/jenkins-scripts
# Fetch manifests and test.sh script
mkdir -p artifacts/manifests
curl -o artifacts/manifests/build-baseline.sh https://ci.linaro.org/job/tcwg_gnu_native_build-bisect-master-aarch64/3/artifact/artifacts/manifests/build-baseline.sh --fail
curl -o artifacts/manifests/build-parameters.sh https://ci.linaro.org/job/tcwg_gnu_native_build-bisect-master-aarch64/3/artifact/artifacts/manifests/build-parameters.sh --fail
curl -o artifacts/test.sh https://ci.linaro.org/job/tcwg_gnu_native_build-bisect-master-aarch64/3/artifact/artifacts/test.sh --fail
chmod +x artifacts/test.sh
# Reproduce the baseline build (build all pre-requisites)
./jenkins-scripts/tcwg_gnu-build.sh @@ artifacts/manifests/build-baseline.sh
# Save baseline build state (which is then restored in artifacts/test.sh)
mkdir -p ./bisect
rsync -a --del --delete-excluded --exclude /bisect/ --exclude /artifacts/ --exclude /gcc/ ./ ./bisect/baseline/
cd gcc
# Reproduce first_bad build
git checkout --detach 6de9f0c13b27c34336587da19d03200f8cc6bcd5
../artifacts/test.sh
# Reproduce last_good build
git checkout --detach 97909f80fde6c4ce2a2fa1e11b325a80c4741b8c
../artifacts/test.sh
cd ..
</cut>
Full commit (up to 1000 lines):
<cut>
commit 6de9f0c13b27c34336587da19d03200f8cc6bcd5
Author: Martin Liska <mliska@suse.cz>
Date: Wed Jun 2 08:44:37 2021 +0200
Append target/optimize attr to the current cmdline.
gcc/c-family/ChangeLog:
* c-common.c (parse_optimize_options): Combine optimize
options with what was provided on the command line.
gcc/ChangeLog:
* toplev.c (toplev::main): Save decoded optimization options.
* toplev.h (save_opt_decoded_options): New.
* doc/extend.texi: Be more clear about optimize and target
attributes.
gcc/testsuite/ChangeLog:
* gcc.target/i386/avx512er-vrsqrt28ps-3.c: Disable fast math.
* gcc.target/i386/avx512er-vrsqrt28ps-5.c: Likewise.
* gcc.target/i386/attr-optimize.c: New test.
---
gcc/c-family/c-common.c | 17 +++++++++++++--
gcc/doc/extend.texi | 8 ++++++--
gcc/testsuite/gcc.target/i386/attr-optimize.c | 24 ++++++++++++++++++++++
.../gcc.target/i386/avx512er-vrsqrt28ps-3.c | 2 +-
.../gcc.target/i386/avx512er-vrsqrt28ps-5.c | 2 +-
gcc/toplev.c | 8 ++++++++
gcc/toplev.h | 1 +
7 files changed, 56 insertions(+), 6 deletions(-)
diff --git a/gcc/c-family/c-common.c b/gcc/c-family/c-common.c
index c6757f093ac..7b99a5546ea 100644
--- a/gcc/c-family/c-common.c
+++ b/gcc/c-family/c-common.c
@@ -5904,9 +5904,22 @@ parse_optimize_options (tree args, bool attr_p)
j++;
}
decoded_options_count = j;
- /* And apply them. */
+
+ /* Merge the decoded options with save_decoded_options. */
+ unsigned save_opt_count = save_opt_decoded_options.length ();
+ unsigned merged_decoded_options_count
+ = save_opt_count + decoded_options_count;
+ cl_decoded_option *merged_decoded_options
+ = XNEWVEC (cl_decoded_option, merged_decoded_options_count);
+
+ for (unsigned i = 0; i < save_opt_count; ++i)
+ merged_decoded_options[i] = save_opt_decoded_options[i];
+ for (unsigned i = 0; i < decoded_options_count; ++i)
+ merged_decoded_options[save_opt_count + i] = decoded_options[i];
+
+ /* And apply them. */
decode_options (&global_options, &global_options_set,
- decoded_options, decoded_options_count,
+ merged_decoded_options, merged_decoded_options_count,
input_location, global_dc, NULL);
free (decoded_options);
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index b4c5376223a..133b82eef38 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -3663,7 +3663,10 @@ take function pointer arguments.
@cindex @code{optimize} function attribute
The @code{optimize} attribute is used to specify that a function is to
be compiled with different optimization options than specified on the
-command line. Valid arguments are constant non-negative integers and
+command line. The optimize attribute arguments of a function behave
+behave as if appended to the command-line.
+
+Valid arguments are constant non-negative integers and
strings. Each numeric argument specifies an optimization @var{level}.
Each @var{string} argument consists of one or more comma-separated
substrings. Each substring that begins with the letter @code{O} refers
@@ -3867,7 +3870,8 @@ This attribute prevents stack protection code for the function.
Multiple target back ends implement the @code{target} attribute
to specify that a function is to
be compiled with different target options than specified on the
-command line. One or more strings can be provided as arguments.
+command line. The original target command-line options are ignored.
+One or more strings can be provided as arguments.
Each string consists of one or more comma-separated suffixes to
the @code{-m} prefix jointly forming the name of a machine-dependent
option. @xref{Submodel Options,,Machine-Dependent Options}.
diff --git a/gcc/testsuite/gcc.target/i386/attr-optimize.c b/gcc/testsuite/gcc.target/i386/attr-optimize.c
new file mode 100644
index 00000000000..f5db028f1fd
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/attr-optimize.c
@@ -0,0 +1,24 @@
+/* { dg-do compile } */
+/* { dg-additional-options "-O1 -ftree-slp-vectorize -march=znver1 -fdump-tree-optimized" } */
+
+/* Use -O2, but -ftree-slp-vectorize option should be preserved and used. */
+#pragma GCC optimize "-O2"
+
+typedef struct {
+ long n[4];
+} secp256k1_fe;
+
+void *a;
+int c;
+static void
+fn1(secp256k1_fe *p1, int p2)
+{
+ p1->n[0] = p1->n[1] = p2;
+}
+void
+fn2()
+{
+ fn1(a, !c);
+}
+
+/* { dg-final { scan-tree-dump { MEM <vector\(2\) long int> \[[^]]*\] = } "optimized" } } */
diff --git a/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-3.c b/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-3.c
index 1ba8172d6e3..40aefb50844 100644
--- a/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-3.c
+++ b/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-3.c
@@ -8,7 +8,7 @@
#define MAX 1000
#define EPS 0.00001
-__attribute__ ((noinline, optimize (1)))
+__attribute__ ((noinline, optimize (1, "-fno-fast-math")))
void static
compute_rsqrt_ref (float *a, float *r)
{
diff --git a/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-5.c b/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-5.c
index e067a81e562..498f4d50aa5 100644
--- a/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-5.c
+++ b/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-5.c
@@ -8,7 +8,7 @@
#define MAX 1000
#define EPS 0.00001
-__attribute__ ((noinline, optimize (1)))
+__attribute__ ((noinline, optimize (1, "-fno-fast-math")))
void static
compute_sqrt_ref (float *a, float *r)
{
diff --git a/gcc/toplev.c b/gcc/toplev.c
index e1688aae724..78bb7e9749b 100644
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -121,6 +121,9 @@ static bool no_backend;
struct cl_decoded_option *save_decoded_options;
unsigned int save_decoded_options_count;
+/* Vector of saved Optimization decoded command line options. */
+auto_vec<cl_decoded_option> save_opt_decoded_options;
+
/* Used to enable -fvar-tracking, -fweb and -frename-registers according
to optimize in process_options (). */
#define AUTODETECT_VALUE 2
@@ -2334,6 +2337,11 @@ toplev::main (int argc, char **argv)
&save_decoded_options,
&save_decoded_options_count);
+ /* Save Optimization decoded options. */
+ for (unsigned i = 0; i < save_decoded_options_count; ++i)
+ if (cl_options[save_decoded_options[i].opt_index].flags & CL_OPTIMIZATION)
+ save_opt_decoded_options.safe_push (save_decoded_options[i]);
+
/* Perform language-specific options initialization. */
lang_hooks.init_options (save_decoded_options_count, save_decoded_options);
diff --git a/gcc/toplev.h b/gcc/toplev.h
index f543554b15f..c44c5ff926a 100644
--- a/gcc/toplev.h
+++ b/gcc/toplev.h
@@ -23,6 +23,7 @@ along with GCC; see the file COPYING3. If not see
/* Decoded options, and number of such options. */
extern struct cl_decoded_option *save_decoded_options;
extern unsigned int save_decoded_options_count;
+extern auto_vec<cl_decoded_option> save_opt_decoded_options;
class timer;
</cut>
>From maxim.kuvyrkov@linaro.org Fri Oct 1 15:21:01 2021
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Subject: Re: [TCWG CI] Regression caused by gcc: Append target/optimize attr
to the current cmdline.
From: Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
In-Reply-To: <1003651381.7878.1633100577355@localhost>
Date: Fri, 1 Oct 2021 18:20:56 +0300
Cc: gcc-regression@gcc.gnu.org
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To: Martin Liska <mliska@suse.cz>
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Hi Martin,
This patch appears to break GCC build on aarch64-linux-gnu. Would you =
please take a look?
Thanks!
--
Maxim Kuvyrkov
https://www.linaro.org
> On 1 Oct 2021, at 18:02, ci_notify--- via Gcc-regression =
<gcc-regression@gcc.gnu.org> wrote:
>=20
> [TCWG CI] Regression caused by gcc: Append target/optimize attr to the =
current cmdline.:
> commit 6de9f0c13b27c34336587da19d03200f8cc6bcd5
> Author: Martin Liska <mliska@suse.cz>
>=20
> Append target/optimize attr to the current cmdline.
>=20
> Results regressed to
> # reset_artifacts:
> -10
> # true:
> 0
> # build_abe binutils:
> 1
> # First few build errors in logs:
> # 00:02:04 =
/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/snapshots/gcc.git~master/li=
bgcc/unwind.inc:87:1: internal compiler error: Segmentation fault
> # 00:02:04 =
/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/snapshots/gcc.git~master/li=
bgcc/unwind.inc:87:1: internal compiler error: Segmentation fault
> # 00:02:04 make[2]: *** =
[/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/snapshots/gcc.git~master/l=
ibgcc/shared-object.mk:14: unwind-dw2.o] Error 1
> # 00:02:04 make[2]: *** =
[/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/snapshots/gcc.git~master/l=
ibgcc/shared-object.mk:17: unwind-dw2_s.o] Error 1
> # 00:02:05 make[1]: *** [Makefile:13896: all-target-libgcc] Error 2
> # 00:02:05 make: *** [Makefile:975: all] Error 2
>=20
> from
> # reset_artifacts:
> -10
> # true:
> 0
> # build_abe binutils:
> 1
> # build_abe gcc:
> 2
> # build_abe linux:
> 4
> # build_abe glibc:
> 5
> # build_abe gdb:
> 6
>=20
> THIS IS THE END OF INTERESTING STUFF. BELOW ARE LINKS TO BUILDS, =
REPRODUCTION INSTRUCTIONS, AND THE RAW COMMIT.
>=20
> This commit has regressed these CI configurations:
> - tcwg_gnu_native_build/master-aarch64
>=20
> First_bad build: =
https://ci.linaro.org/job/tcwg_gnu_native_build-bisect-master-aarch64/3/ar=
tifact/artifacts/build-6de9f0c13b27c34336587da19d03200f8cc6bcd5/
> Last_good build: =
https://ci.linaro.org/job/tcwg_gnu_native_build-bisect-master-aarch64/3/ar=
tifact/artifacts/build-97909f80fde6c4ce2a2fa1e11b325a80c4741b8c/
> Baseline build: =
https://ci.linaro.org/job/tcwg_gnu_native_build-bisect-master-aarch64/3/ar=
tifact/artifacts/build-baseline/
> Even more details: =
https://ci.linaro.org/job/tcwg_gnu_native_build-bisect-master-aarch64/3/ar=
tifact/artifacts/
>=20
> Reproduce builds:
> <cut>
> mkdir investigate-gcc-6de9f0c13b27c34336587da19d03200f8cc6bcd5
> cd investigate-gcc-6de9f0c13b27c34336587da19d03200f8cc6bcd5
>=20
> # Fetch scripts
> git clone https://git.linaro.org/toolchain/jenkins-scripts
>=20
> # Fetch manifests and test.sh script
> mkdir -p artifacts/manifests
> curl -o artifacts/manifests/build-baseline.sh =
https://ci.linaro.org/job/tcwg_gnu_native_build-bisect-master-aarch64/3/ar=
tifact/artifacts/manifests/build-baseline.sh --fail
> curl -o artifacts/manifests/build-parameters.sh =
https://ci.linaro.org/job/tcwg_gnu_native_build-bisect-master-aarch64/3/ar=
tifact/artifacts/manifests/build-parameters.sh --fail
> curl -o artifacts/test.sh =
https://ci.linaro.org/job/tcwg_gnu_native_build-bisect-master-aarch64/3/ar=
tifact/artifacts/test.sh --fail
> chmod +x artifacts/test.sh
>=20
> # Reproduce the baseline build (build all pre-requisites)
> ./jenkins-scripts/tcwg_gnu-build.sh @@ =
artifacts/manifests/build-baseline.sh
>=20
> # Save baseline build state (which is then restored in =
artifacts/test.sh)
> mkdir -p ./bisect
> rsync -a --del --delete-excluded --exclude /bisect/ --exclude =
/artifacts/ --exclude /gcc/ ./ ./bisect/baseline/
>=20
> cd gcc
>=20
> # Reproduce first_bad build
> git checkout --detach 6de9f0c13b27c34336587da19d03200f8cc6bcd5
> ../artifacts/test.sh
>=20
> # Reproduce last_good build
> git checkout --detach 97909f80fde6c4ce2a2fa1e11b325a80c4741b8c
> ../artifacts/test.sh
>=20
> cd ..
> </cut>
>=20
> Full commit (up to 1000 lines):
> <cut>
> commit 6de9f0c13b27c34336587da19d03200f8cc6bcd5
> Author: Martin Liska <mliska@suse.cz>
> Date: Wed Jun 2 08:44:37 2021 +0200
>=20
> Append target/optimize attr to the current cmdline.
>=20
> gcc/c-family/ChangeLog:
>=20
> * c-common.c (parse_optimize_options): Combine optimize
> options with what was provided on the command line.
>=20
> gcc/ChangeLog:
>=20
> * toplev.c (toplev::main): Save decoded optimization =
options.
> * toplev.h (save_opt_decoded_options): New.
> * doc/extend.texi: Be more clear about optimize and target
> attributes.
>=20
> gcc/testsuite/ChangeLog:
>=20
> * gcc.target/i386/avx512er-vrsqrt28ps-3.c: Disable fast =
math.
> * gcc.target/i386/avx512er-vrsqrt28ps-5.c: Likewise.
> * gcc.target/i386/attr-optimize.c: New test.
> ---
> gcc/c-family/c-common.c | 17 =
+++++++++++++--
> gcc/doc/extend.texi | 8 ++++++--
> gcc/testsuite/gcc.target/i386/attr-optimize.c | 24 =
++++++++++++++++++++++
> .../gcc.target/i386/avx512er-vrsqrt28ps-3.c | 2 +-
> .../gcc.target/i386/avx512er-vrsqrt28ps-5.c | 2 +-
> gcc/toplev.c | 8 ++++++++
> gcc/toplev.h | 1 +
> 7 files changed, 56 insertions(+), 6 deletions(-)
>=20
> diff --git a/gcc/c-family/c-common.c b/gcc/c-family/c-common.c
> index c6757f093ac..7b99a5546ea 100644
> --- a/gcc/c-family/c-common.c
> +++ b/gcc/c-family/c-common.c
> @@ -5904,9 +5904,22 @@ parse_optimize_options (tree args, bool attr_p)
> j++;
> }
> decoded_options_count =3D j;
> - /* And apply them. */
> +
> + /* Merge the decoded options with save_decoded_options. */
> + unsigned save_opt_count =3D save_opt_decoded_options.length ();
> + unsigned merged_decoded_options_count
> + =3D save_opt_count + decoded_options_count;
> + cl_decoded_option *merged_decoded_options
> + =3D XNEWVEC (cl_decoded_option, merged_decoded_options_count);
> +
> + for (unsigned i =3D 0; i < save_opt_count; ++i)
> + merged_decoded_options[i] =3D save_opt_decoded_options[i];
> + for (unsigned i =3D 0; i < decoded_options_count; ++i)
> + merged_decoded_options[save_opt_count + i] =3D =
decoded_options[i];
> +
> + /* And apply them. */
> decode_options (&global_options, &global_options_set,
> - decoded_options, decoded_options_count,
> + merged_decoded_options, merged_decoded_options_count,
> input_location, global_dc, NULL);
> free (decoded_options);
>=20
> diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
> index b4c5376223a..133b82eef38 100644
> --- a/gcc/doc/extend.texi
> +++ b/gcc/doc/extend.texi
> @@ -3663,7 +3663,10 @@ take function pointer arguments.
> @cindex @code{optimize} function attribute
> The @code{optimize} attribute is used to specify that a function is to
> be compiled with different optimization options than specified on the
> -command line. Valid arguments are constant non-negative integers and
> +command line. The optimize attribute arguments of a function behave
> +behave as if appended to the command-line.
> +
> +Valid arguments are constant non-negative integers and
> strings. Each numeric argument specifies an optimization @var{level}.
> Each @var{string} argument consists of one or more comma-separated
> substrings. Each substring that begins with the letter @code{O} =
refers
> @@ -3867,7 +3870,8 @@ This attribute prevents stack protection code =
for the function.
> Multiple target back ends implement the @code{target} attribute
> to specify that a function is to
> be compiled with different target options than specified on the
> -command line. One or more strings can be provided as arguments.
> +command line. The original target command-line options are ignored.
> +One or more strings can be provided as arguments.
> Each string consists of one or more comma-separated suffixes to
> the @code{-m} prefix jointly forming the name of a machine-dependent
> option. @xref{Submodel Options,,Machine-Dependent Options}.
> diff --git a/gcc/testsuite/gcc.target/i386/attr-optimize.c =
b/gcc/testsuite/gcc.target/i386/attr-optimize.c
> new file mode 100644
> index 00000000000..f5db028f1fd
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/i386/attr-optimize.c
> @@ -0,0 +1,24 @@
> +/* { dg-do compile } */
> +/* { dg-additional-options "-O1 -ftree-slp-vectorize -march=3Dznver1 =
-fdump-tree-optimized" } */
> +
> +/* Use -O2, but -ftree-slp-vectorize option should be preserved and =
used. */
> +#pragma GCC optimize "-O2"
> +
> +typedef struct {
> + long n[4];
> +} secp256k1_fe;
> +
> +void *a;
> +int c;
> +static void
> +fn1(secp256k1_fe *p1, int p2)
> +{
> + p1->n[0] =3D p1->n[1] =3D p2;
> +}
> +void
> +fn2()
> +{
> + fn1(a, !c);
> +}
> +
> +/* { dg-final { scan-tree-dump { MEM <vector\(2\) long int> \[[^]]*\] =
=3D } "optimized" } } */
> diff --git a/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-3.c =
b/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-3.c
> index 1ba8172d6e3..40aefb50844 100644
> --- a/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-3.c
> +++ b/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-3.c
> @@ -8,7 +8,7 @@
> #define MAX 1000
> #define EPS 0.00001
>=20
> -__attribute__ ((noinline, optimize (1)))
> +__attribute__ ((noinline, optimize (1, "-fno-fast-math")))
> void static
> compute_rsqrt_ref (float *a, float *r)
> {
> diff --git a/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-5.c =
b/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-5.c
> index e067a81e562..498f4d50aa5 100644
> --- a/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-5.c
> +++ b/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-5.c
> @@ -8,7 +8,7 @@
> #define MAX 1000
> #define EPS 0.00001
>=20
> -__attribute__ ((noinline, optimize (1)))
> +__attribute__ ((noinline, optimize (1, "-fno-fast-math")))
> void static
> compute_sqrt_ref (float *a, float *r)
> {
> diff --git a/gcc/toplev.c b/gcc/toplev.c
> index e1688aae724..78bb7e9749b 100644
> --- a/gcc/toplev.c
> +++ b/gcc/toplev.c
> @@ -121,6 +121,9 @@ static bool no_backend;
> struct cl_decoded_option *save_decoded_options;
> unsigned int save_decoded_options_count;
>=20
> +/* Vector of saved Optimization decoded command line options. */
> +auto_vec<cl_decoded_option> save_opt_decoded_options;
> +
> /* Used to enable -fvar-tracking, -fweb and -frename-registers =
according
> to optimize in process_options (). */
> #define AUTODETECT_VALUE 2
> @@ -2334,6 +2337,11 @@ toplev::main (int argc, char **argv)
> &save_decoded_options,
> =
&save_decoded_options_count);
>=20
> + /* Save Optimization decoded options. */
> + for (unsigned i =3D 0; i < save_decoded_options_count; ++i)
> + if (cl_options[save_decoded_options[i].opt_index].flags & =
CL_OPTIMIZATION)
> + save_opt_decoded_options.safe_push (save_decoded_options[i]);
> +
> /* Perform language-specific options initialization. */
> lang_hooks.init_options (save_decoded_options_count, =
save_decoded_options);
>=20
> diff --git a/gcc/toplev.h b/gcc/toplev.h
> index f543554b15f..c44c5ff926a 100644
> --- a/gcc/toplev.h
> +++ b/gcc/toplev.h
> @@ -23,6 +23,7 @@ along with GCC; see the file COPYING3. If not see
> /* Decoded options, and number of such options. */
> extern struct cl_decoded_option *save_decoded_options;
> extern unsigned int save_decoded_options_count;
> +extern auto_vec<cl_decoded_option> save_opt_decoded_options;
>=20
> class timer;
>=20
> </cut>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [TCWG CI] Regression caused by gcc: Append target/optimize attr to the current cmdline.
[not found] ` <3433895F-7734-4EFF-9F63-AAF29DC27D24@linaro.org>
@ 2021-10-01 15:23 ` Martin Liška
0 siblings, 0 replies; 3+ messages in thread
From: Martin Liška @ 2021-10-01 15:23 UTC (permalink / raw)
To: Maxim Kuvyrkov; +Cc: gcc-regression
On 10/1/21 17:20, Maxim Kuvyrkov wrote:
> Hi Martin,
>
> This patch appears to break GCC build on aarch64-linux-gnu. Would you please take a look?
>
> Thanks!
Hello.
Should be fixed now with 5051fad8582fcbdd0844232b5a8c4e856be5e5a4.
Cheers,
Martin
^ permalink raw reply [flat|nested] 3+ messages in thread
* [TCWG CI] Regression caused by gcc: Append target/optimize attr to the current cmdline.
@ 2021-10-01 19:41 ci_notify
0 siblings, 0 replies; 3+ messages in thread
From: ci_notify @ 2021-10-01 19:41 UTC (permalink / raw)
To: Martin Liska; +Cc: gcc-regression
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset=UTF-8, Size: 17807 bytes --]
[TCWG CI] Regression caused by gcc: Append target/optimize attr to the current cmdline.:
commit 6de9f0c13b27c34336587da19d03200f8cc6bcd5
Author: Martin Liska <mliska@suse.cz>
Append target/optimize attr to the current cmdline.
Results regressed to
# reset_artifacts:
-10
# true:
0
# build_abe binutils:
1
# First few build errors in logs:
# 00:06:37 make[3]: [Makefile:1770: armv8l-unknown-linux-gnueabihf/bits/largefile-config.h] Error 1 (ignored)
# 00:24:14 /home/tcwg-buildslave/workspace/tcwg_gnu_4/abe/snapshots/gcc.git~master/libgomp/oacc-init.c:876:1: error: optimization attribute on âacc_on_deviceâ follows definition but the attribute doesnât match [-Werror=attributes]
# 00:24:14 /home/tcwg-buildslave/workspace/tcwg_gnu_4/abe/snapshots/gcc.git~master/libgomp/oacc-init.c:954:1: internal compiler error: in dwarf2out_register_main_translation_unit, at dwarf2out.c:28328
# 00:24:15 make[5]: *** [Makefile:799: oacc-init.lo] Error 1
# 00:24:19 make[4]: *** [Makefile:1022: all-recursive] Error 1
# 00:24:19 make[3]: *** [Makefile:622: all] Error 2
# 00:24:19 make[2]: *** [Makefile:22819: all-stage2-target-libgomp] Error 2
# 00:25:02 make[3]: [Makefile:1770: armv8l-unknown-linux-gnueabihf/bits/largefile-config.h] Error 1 (ignored)
# 00:25:02 make[1]: *** [Makefile:24679: stage2-bubble] Error 2
# 00:25:02 make: *** [Makefile:1013: all] Error 2
from
# reset_artifacts:
-10
# true:
0
# build_abe binutils:
1
# build_abe bootstrap_lto:
2
THIS IS THE END OF INTERESTING STUFF. BELOW ARE LINKS TO BUILDS, REPRODUCTION INSTRUCTIONS, AND THE RAW COMMIT.
This commit has regressed these CI configurations:
- tcwg_gcc_bootstrap/master-arm-bootstrap_lto
First_bad build: https://ci.linaro.org/job/tcwg_gcc_bootstrap-bisect-master-arm-bootstrap_lto/4/artifact/artifacts/build-6de9f0c13b27c34336587da19d03200f8cc6bcd5/
Last_good build: https://ci.linaro.org/job/tcwg_gcc_bootstrap-bisect-master-arm-bootstrap_lto/4/artifact/artifacts/build-97909f80fde6c4ce2a2fa1e11b325a80c4741b8c/
Baseline build: https://ci.linaro.org/job/tcwg_gcc_bootstrap-bisect-master-arm-bootstrap_lto/4/artifact/artifacts/build-baseline/
Even more details: https://ci.linaro.org/job/tcwg_gcc_bootstrap-bisect-master-arm-bootstrap_lto/4/artifact/artifacts/
Reproduce builds:
<cut>
mkdir investigate-gcc-6de9f0c13b27c34336587da19d03200f8cc6bcd5
cd investigate-gcc-6de9f0c13b27c34336587da19d03200f8cc6bcd5
# Fetch scripts
git clone https://git.linaro.org/toolchain/jenkins-scripts
# Fetch manifests and test.sh script
mkdir -p artifacts/manifests
curl -o artifacts/manifests/build-baseline.sh https://ci.linaro.org/job/tcwg_gcc_bootstrap-bisect-master-arm-bootstrap_lto/4/artifact/artifacts/manifests/build-baseline.sh --fail
curl -o artifacts/manifests/build-parameters.sh https://ci.linaro.org/job/tcwg_gcc_bootstrap-bisect-master-arm-bootstrap_lto/4/artifact/artifacts/manifests/build-parameters.sh --fail
curl -o artifacts/test.sh https://ci.linaro.org/job/tcwg_gcc_bootstrap-bisect-master-arm-bootstrap_lto/4/artifact/artifacts/test.sh --fail
chmod +x artifacts/test.sh
# Reproduce the baseline build (build all pre-requisites)
./jenkins-scripts/tcwg_gnu-build.sh @@ artifacts/manifests/build-baseline.sh
# Save baseline build state (which is then restored in artifacts/test.sh)
mkdir -p ./bisect
rsync -a --del --delete-excluded --exclude /bisect/ --exclude /artifacts/ --exclude /gcc/ ./ ./bisect/baseline/
cd gcc
# Reproduce first_bad build
git checkout --detach 6de9f0c13b27c34336587da19d03200f8cc6bcd5
../artifacts/test.sh
# Reproduce last_good build
git checkout --detach 97909f80fde6c4ce2a2fa1e11b325a80c4741b8c
../artifacts/test.sh
cd ..
</cut>
Full commit (up to 1000 lines):
<cut>
commit 6de9f0c13b27c34336587da19d03200f8cc6bcd5
Author: Martin Liska <mliska@suse.cz>
Date: Wed Jun 2 08:44:37 2021 +0200
Append target/optimize attr to the current cmdline.
gcc/c-family/ChangeLog:
* c-common.c (parse_optimize_options): Combine optimize
options with what was provided on the command line.
gcc/ChangeLog:
* toplev.c (toplev::main): Save decoded optimization options.
* toplev.h (save_opt_decoded_options): New.
* doc/extend.texi: Be more clear about optimize and target
attributes.
gcc/testsuite/ChangeLog:
* gcc.target/i386/avx512er-vrsqrt28ps-3.c: Disable fast math.
* gcc.target/i386/avx512er-vrsqrt28ps-5.c: Likewise.
* gcc.target/i386/attr-optimize.c: New test.
---
gcc/c-family/c-common.c | 17 +++++++++++++--
gcc/doc/extend.texi | 8 ++++++--
gcc/testsuite/gcc.target/i386/attr-optimize.c | 24 ++++++++++++++++++++++
.../gcc.target/i386/avx512er-vrsqrt28ps-3.c | 2 +-
.../gcc.target/i386/avx512er-vrsqrt28ps-5.c | 2 +-
gcc/toplev.c | 8 ++++++++
gcc/toplev.h | 1 +
7 files changed, 56 insertions(+), 6 deletions(-)
diff --git a/gcc/c-family/c-common.c b/gcc/c-family/c-common.c
index c6757f093ac..7b99a5546ea 100644
--- a/gcc/c-family/c-common.c
+++ b/gcc/c-family/c-common.c
@@ -5904,9 +5904,22 @@ parse_optimize_options (tree args, bool attr_p)
j++;
}
decoded_options_count = j;
- /* And apply them. */
+
+ /* Merge the decoded options with save_decoded_options. */
+ unsigned save_opt_count = save_opt_decoded_options.length ();
+ unsigned merged_decoded_options_count
+ = save_opt_count + decoded_options_count;
+ cl_decoded_option *merged_decoded_options
+ = XNEWVEC (cl_decoded_option, merged_decoded_options_count);
+
+ for (unsigned i = 0; i < save_opt_count; ++i)
+ merged_decoded_options[i] = save_opt_decoded_options[i];
+ for (unsigned i = 0; i < decoded_options_count; ++i)
+ merged_decoded_options[save_opt_count + i] = decoded_options[i];
+
+ /* And apply them. */
decode_options (&global_options, &global_options_set,
- decoded_options, decoded_options_count,
+ merged_decoded_options, merged_decoded_options_count,
input_location, global_dc, NULL);
free (decoded_options);
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index b4c5376223a..133b82eef38 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -3663,7 +3663,10 @@ take function pointer arguments.
@cindex @code{optimize} function attribute
The @code{optimize} attribute is used to specify that a function is to
be compiled with different optimization options than specified on the
-command line. Valid arguments are constant non-negative integers and
+command line. The optimize attribute arguments of a function behave
+behave as if appended to the command-line.
+
+Valid arguments are constant non-negative integers and
strings. Each numeric argument specifies an optimization @var{level}.
Each @var{string} argument consists of one or more comma-separated
substrings. Each substring that begins with the letter @code{O} refers
@@ -3867,7 +3870,8 @@ This attribute prevents stack protection code for the function.
Multiple target back ends implement the @code{target} attribute
to specify that a function is to
be compiled with different target options than specified on the
-command line. One or more strings can be provided as arguments.
+command line. The original target command-line options are ignored.
+One or more strings can be provided as arguments.
Each string consists of one or more comma-separated suffixes to
the @code{-m} prefix jointly forming the name of a machine-dependent
option. @xref{Submodel Options,,Machine-Dependent Options}.
diff --git a/gcc/testsuite/gcc.target/i386/attr-optimize.c b/gcc/testsuite/gcc.target/i386/attr-optimize.c
new file mode 100644
index 00000000000..f5db028f1fd
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/attr-optimize.c
@@ -0,0 +1,24 @@
+/* { dg-do compile } */
+/* { dg-additional-options "-O1 -ftree-slp-vectorize -march=znver1 -fdump-tree-optimized" } */
+
+/* Use -O2, but -ftree-slp-vectorize option should be preserved and used. */
+#pragma GCC optimize "-O2"
+
+typedef struct {
+ long n[4];
+} secp256k1_fe;
+
+void *a;
+int c;
+static void
+fn1(secp256k1_fe *p1, int p2)
+{
+ p1->n[0] = p1->n[1] = p2;
+}
+void
+fn2()
+{
+ fn1(a, !c);
+}
+
+/* { dg-final { scan-tree-dump { MEM <vector\(2\) long int> \[[^]]*\] = } "optimized" } } */
diff --git a/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-3.c b/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-3.c
index 1ba8172d6e3..40aefb50844 100644
--- a/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-3.c
+++ b/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-3.c
@@ -8,7 +8,7 @@
#define MAX 1000
#define EPS 0.00001
-__attribute__ ((noinline, optimize (1)))
+__attribute__ ((noinline, optimize (1, "-fno-fast-math")))
void static
compute_rsqrt_ref (float *a, float *r)
{
diff --git a/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-5.c b/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-5.c
index e067a81e562..498f4d50aa5 100644
--- a/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-5.c
+++ b/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-5.c
@@ -8,7 +8,7 @@
#define MAX 1000
#define EPS 0.00001
-__attribute__ ((noinline, optimize (1)))
+__attribute__ ((noinline, optimize (1, "-fno-fast-math")))
void static
compute_sqrt_ref (float *a, float *r)
{
diff --git a/gcc/toplev.c b/gcc/toplev.c
index e1688aae724..78bb7e9749b 100644
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -121,6 +121,9 @@ static bool no_backend;
struct cl_decoded_option *save_decoded_options;
unsigned int save_decoded_options_count;
+/* Vector of saved Optimization decoded command line options. */
+auto_vec<cl_decoded_option> save_opt_decoded_options;
+
/* Used to enable -fvar-tracking, -fweb and -frename-registers according
to optimize in process_options (). */
#define AUTODETECT_VALUE 2
@@ -2334,6 +2337,11 @@ toplev::main (int argc, char **argv)
&save_decoded_options,
&save_decoded_options_count);
+ /* Save Optimization decoded options. */
+ for (unsigned i = 0; i < save_decoded_options_count; ++i)
+ if (cl_options[save_decoded_options[i].opt_index].flags & CL_OPTIMIZATION)
+ save_opt_decoded_options.safe_push (save_decoded_options[i]);
+
/* Perform language-specific options initialization. */
lang_hooks.init_options (save_decoded_options_count, save_decoded_options);
diff --git a/gcc/toplev.h b/gcc/toplev.h
index f543554b15f..c44c5ff926a 100644
--- a/gcc/toplev.h
+++ b/gcc/toplev.h
@@ -23,6 +23,7 @@ along with GCC; see the file COPYING3. If not see
/* Decoded options, and number of such options. */
extern struct cl_decoded_option *save_decoded_options;
extern unsigned int save_decoded_options_count;
+extern auto_vec<cl_decoded_option> save_opt_decoded_options;
class timer;
</cut>
>From hjl@sc.intel.com Fri Oct 1 21:39:40 2021
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To: skpgkp2@gmail.com, hjl.tools@gmail.com, gcc-regression@gcc.gnu.org
Subject: Regressions on native/master at commit r12-4083 vs commit
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New failures:
FAIL: g++.dg/modules/xtreme-header-2_b.C -std=c++2b (internal compiler error)
FAIL: g++.dg/modules/xtreme-header-2_b.C -std=c++2b (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_a.H module-cmi (gcm.cache/$srcdir/g++.dg/modules/xtreme-header-3_a.H.gcm)
FAIL: g++.dg/modules/xtreme-header-3_a.H module-cmi (gcm.cache/$srcdir/g++.dg/modules/xtreme-header-3_a.H.gcm)
FAIL: g++.dg/modules/xtreme-header-3_a.H module-cmi (gcm.cache/$srcdir/g++.dg/modules/xtreme-header-3_a.H.gcm)
FAIL: g++.dg/modules/xtreme-header-3_a.H module-cmi (gcm.cache/$srcdir/g++.dg/modules/xtreme-header-3_a.H.gcm)
FAIL: g++.dg/modules/xtreme-header-3_a.H module-cmi (gcm.cache/$srcdir/g++.dg/modules/xtreme-header-3_a.H.gcm)
FAIL: g++.dg/modules/xtreme-header-3_a.H module-cmi (gcm.cache/$srcdir/g++.dg/modules/xtreme-header-3_a.H.gcm)
FAIL: g++.dg/modules/xtreme-header-3_a.H module-cmi (gcm.cache/$srcdir/g++.dg/modules/xtreme-header-3_a.H.gcm)
FAIL: g++.dg/modules/xtreme-header-3_a.H module-cmi (gcm.cache/$srcdir/g++.dg/modules/xtreme-header-3_a.H.gcm)
FAIL: g++.dg/modules/xtreme-header-3_a.H module-cmi (gcm.cache/$srcdir/g++.dg/modules/xtreme-header-3_a.H.gcm)
FAIL: g++.dg/modules/xtreme-header-3_a.H -std=c++17 (internal compiler error)
FAIL: g++.dg/modules/xtreme-header-3_a.H -std=c++17 (internal compiler error)
FAIL: g++.dg/modules/xtreme-header-3_a.H -std=c++17 (internal compiler error)
FAIL: g++.dg/modules/xtreme-header-3_a.H -std=c++17 (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_a.H -std=c++17 (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_a.H -std=c++17 (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_a.H -std=c++2a (internal compiler error)
FAIL: g++.dg/modules/xtreme-header-3_a.H -std=c++2a (internal compiler error)
FAIL: g++.dg/modules/xtreme-header-3_a.H -std=c++2a (internal compiler error)
FAIL: g++.dg/modules/xtreme-header-3_a.H -std=c++2a (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_a.H -std=c++2a (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_a.H -std=c++2a (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_a.H -std=c++2b (internal compiler error)
FAIL: g++.dg/modules/xtreme-header-3_a.H -std=c++2b (internal compiler error)
FAIL: g++.dg/modules/xtreme-header-3_a.H -std=c++2b (internal compiler error)
FAIL: g++.dg/modules/xtreme-header-3_a.H -std=c++2b (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_a.H -std=c++2b (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_a.H -std=c++2b (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_b.C -std=c++17 (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_b.C -std=c++17 (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_b.C -std=c++17 (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_b.C -std=c++2a (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_b.C -std=c++2a (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_b.C -std=c++2a (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_b.C -std=c++2b (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_b.C -std=c++2b (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_b.C -std=c++2b (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_c.C -std=c++17 (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_c.C -std=c++17 (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_c.C -std=c++17 (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_c.C -std=c++2a (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_c.C -std=c++2a (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_c.C -std=c++2a (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_c.C -std=c++2b (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_c.C -std=c++2b (test for excess errors)
FAIL: g++.dg/modules/xtreme-header-3_c.C -std=c++2b (test for excess errors)
New passes:
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2021-10-01 19:41 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2021-10-01 15:02 [TCWG CI] Regression caused by gcc: Append target/optimize attr to the current cmdline ci_notify
[not found] ` <3433895F-7734-4EFF-9F63-AAF29DC27D24@linaro.org>
2021-10-01 15:23 ` Martin Liška
2021-10-01 19:41 ci_notify
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