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From: "Bernhard.Rosenkranzer at linaro dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug regression/67415] [5/6 Regression] -mcpu= breaks -print-file-name for ARM crosscompilers
Date: Wed, 02 Sep 2015 17:09:00 -0000 [thread overview]
Message-ID: <bug-67415-4-QtoZBkA9tf@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-67415-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67415
--- Comment #4 from Bernhard Rosenkränzer <Bernhard.Rosenkranzer at linaro dot org> ---
Relevant parameters are the same.
Also, gcc-5.2/bin/arm-linux-androideabi-gcc -latomic does find libatomic -- so
probably print-file-name=libatomic.a should reflect that...
$ gcc-5.2/bin/arm-linux-androideabi-gcc -v
Using built-in specs.
COLLECT_GCC=gcc-5.2/bin/arm-linux-androideabi-gcc
COLLECT_LTO_WRAPPER=/home/bero/android-toolchains/gcc-5.2/bin/../libexec/gcc/arm-linux-androideabi/5.2.0/lto-wrapper
Target: arm-linux-androideabi
Configured with:
/mnt/jenkins/workspace/linaro-android_toolchain-5.2.0/build/objdir/../build/../gcc/gcc-5.2.0/configure
--prefix=/tmp/android-toolchain-eabi --host=x86_64-linux-gnu
--build=x86_64-linux-gnu --with-gnu-as --with-gnu-ld --enable-languages=c,c++
--with-gmp=/mnt/jenkins/workspace/linaro-android_toolchain-5.2.0/build/objdir/temp-install
--with-mpfr=/mnt/jenkins/workspace/linaro-android_toolchain-5.2.0/build/objdir/temp-install
--with-mpc=/mnt/jenkins/workspace/linaro-android_toolchain-5.2.0/build/objdir/temp-install
--with-isl=/mnt/jenkins/workspace/linaro-android_toolchain-5.2.0/build/objdir/temp-install
--with-cloog=/mnt/jenkins/workspace/linaro-android_toolchain-5.2.0/build/objdir/temp-install
--with-isl=/mnt/jenkins/workspace/linaro-android_toolchain-5.2.0/build/objdir/temp-install
--with-ppl=/mnt/jenkins/workspace/linaro-android_toolchain-5.2.0/build/objdir/temp-install
--disable-ppl-version-check --disable-cloog-version-check
--disable-isl-version-check --enable-cloog-backend=isl
--with-host-libstdcxx='-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm'
--disable-libssp --disable-nls --disable-libmudflap --disable-shared
--disable-sjlj-exceptions --disable-libquadmath --disable-libitm
--disable-libsanitizer --with-float=softfp --with-fpu=neon --with-arch=armv7-a
--enable-target-optspace --prefix=/tmp/android-toolchain-eabi --disable-docs
--disable-nls --with-gcc-version=5.2.0
--with-binutils-version=linaro-2.25.0-2015.01-2 --with-gmp-version=current
--with-mpfr-version=current --with-mpc-version=current
--with-gdb-version=current --with-ppl-version=1.1 --with-isl-version=0.14
--target=arm-linux-androideabi --enable-threads --enable-tls --enable-libgomp
--disable-libitm --disable-libsanitizer --enable-libatomic
--disable-libstdc__-v3 : (reconfigured)
/mnt/jenkins/workspace/linaro-android_toolchain-5.2.0/build/objdir/../build/../gcc/gcc-5.2.0/configure
--prefix=/tmp/android-toolchain-eabi --host=x86_64-linux-gnu
--build=x86_64-linux-gnu --with-gnu-as --with-gnu-ld --enable-languages=c,c++
--with-gmp=/mnt/jenkins/workspace/linaro-android_toolchain-5.2.0/build/objdir/temp-install
--with-mpfr=/mnt/jenkins/workspace/linaro-android_toolchain-5.2.0/build/objdir/temp-install
--with-mpc=/mnt/jenkins/workspace/linaro-android_toolchain-5.2.0/build/objdir/temp-install
--with-isl=/mnt/jenkins/workspace/linaro-android_toolchain-5.2.0/build/objdir/temp-install
--with-cloog=/mnt/jenkins/workspace/linaro-android_toolchain-5.2.0/build/objdir/temp-install
--with-isl=/mnt/jenkins/workspace/linaro-android_toolchain-5.2.0/build/objdir/temp-install
--with-ppl=/mnt/jenkins/workspace/linaro-android_toolchain-5.2.0/build/objdir/temp-install
--disable-ppl-version-check --disable-cloog-version-check
--disable-isl-version-check --enable-cloog-backend=isl
--with-host-libstdcxx='-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm'
--disable-libssp --disable-nls --disable-libmudflap --disable-shared
--disable-sjlj-exceptions --disable-libquadmath --disable-libitm
--disable-libsanitizer --with-float=softfp --with-fpu=neon --with-arch=armv7-a
--enable-target-optspace --prefix=/tmp/android-toolchain-eabi --disable-docs
--disable-nls --with-gcc-version=5.2.0
--with-binutils-version=linaro-2.25.0-2015.01-2 --with-gmp-version=current
--with-mpfr-version=current --with-mpc-version=current
--with-gdb-version=current --with-ppl-version=1.1 --with-isl-version=0.14
--target=arm-linux-androideabi --enable-threads --enable-tls --enable-libgomp
--disable-libitm --disable-libsanitizer --enable-libatomic
--disable-libstdc__-v3
Thread model: posix
gcc version 5.2.0 (GCC)
$ gcc-4.9/bin/arm-linux-androideabi-gcc -v
Using built-in specs.
COLLECT_GCC=gcc-4.9/bin/arm-linux-androideabi-gcc
COLLECT_LTO_WRAPPER=/home/bero/android-toolchains/gcc-4.9/bin/../libexec/gcc/arm-linux-androideabi/4.9.4/lto-wrapper
Target: arm-linux-androideabi
Configured with:
/mnt/jenkins/workspace/linaro-android_toolchain-4.9-2015.06/build/objdir/../build/../gcc/gcc-linaro-4.9-2015.06/configure
--prefix=/tmp/android-toolchain-eabi --host=x86_64-linux-gnu
--build=x86_64-linux-gnu --with-gnu-as --with-gnu-ld --enable-languages=c,c++
--with-gmp=/mnt/jenkins/workspace/linaro-android_toolchain-4.9-2015.06/build/objdir/temp-install
--with-mpfr=/mnt/jenkins/workspace/linaro-android_toolchain-4.9-2015.06/build/objdir/temp-install
--with-mpc=/mnt/jenkins/workspace/linaro-android_toolchain-4.9-2015.06/build/objdir/temp-install
--with-isl=/mnt/jenkins/workspace/linaro-android_toolchain-4.9-2015.06/build/objdir/temp-install
--with-cloog=/mnt/jenkins/workspace/linaro-android_toolchain-4.9-2015.06/build/objdir/temp-install
--with-isl=/mnt/jenkins/workspace/linaro-android_toolchain-4.9-2015.06/build/objdir/temp-install
--with-ppl=/mnt/jenkins/workspace/linaro-android_toolchain-4.9-2015.06/build/objdir/temp-install
--disable-ppl-version-check --disable-cloog-version-check
--disable-isl-version-check --enable-cloog-backend=isl
--with-host-libstdcxx='-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm'
--disable-libssp --disable-nls --disable-libmudflap --disable-shared
--disable-sjlj-exceptions --disable-libquadmath --disable-libitm
--disable-libsanitizer --with-float=softfp --with-fpu=neon --with-arch=armv7-a
--enable-target-optspace --prefix=/tmp/android-toolchain-eabi --disable-docs
--disable-nls --with-gcc-version=linaro-4.9-2015.06
--with-binutils-version=linaro-2.25.0-2015.01-2 --with-gmp-version=current
--with-mpfr-version=current --with-mpc-version=current
--with-gdb-version=current --with-ppl-version=1.1 --with-isl-version=0.14
--target=arm-linux-androideabi --enable-threads --enable-tls --enable-libgomp
--disable-libitm --disable-libsanitizer --enable-libatomic
--disable-libstdc__-v3 : (reconfigured)
/mnt/jenkins/workspace/linaro-android_toolchain-4.9-2015.06/build/objdir/../build/../gcc/gcc-linaro-4.9-2015.06/configure
--prefix=/tmp/android-toolchain-eabi --host=x86_64-linux-gnu
--build=x86_64-linux-gnu --with-gnu-as --with-gnu-ld --enable-languages=c,c++
--with-gmp=/mnt/jenkins/workspace/linaro-android_toolchain-4.9-2015.06/build/objdir/temp-install
--with-mpfr=/mnt/jenkins/workspace/linaro-android_toolchain-4.9-2015.06/build/objdir/temp-install
--with-mpc=/mnt/jenkins/workspace/linaro-android_toolchain-4.9-2015.06/build/objdir/temp-install
--with-isl=/mnt/jenkins/workspace/linaro-android_toolchain-4.9-2015.06/build/objdir/temp-install
--with-cloog=/mnt/jenkins/workspace/linaro-android_toolchain-4.9-2015.06/build/objdir/temp-install
--with-isl=/mnt/jenkins/workspace/linaro-android_toolchain-4.9-2015.06/build/objdir/temp-install
--with-ppl=/mnt/jenkins/workspace/linaro-android_toolchain-4.9-2015.06/build/objdir/temp-install
--disable-ppl-version-check --disable-cloog-version-check
--disable-isl-version-check --enable-cloog-backend=isl
--with-host-libstdcxx='-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm'
--disable-libssp --disable-nls --disable-libmudflap --disable-shared
--disable-sjlj-exceptions --disable-libquadmath --disable-libitm
--disable-libsanitizer --with-float=softfp --with-fpu=neon --with-arch=armv7-a
--enable-target-optspace --prefix=/tmp/android-toolchain-eabi --disable-docs
--disable-nls --with-gcc-version=linaro-4.9-2015.06
--with-binutils-version=linaro-2.25.0-2015.01-2 --with-gmp-version=current
--with-mpfr-version=current --with-mpc-version=current
--with-gdb-version=current --with-ppl-version=1.1 --with-isl-version=0.14
--target=arm-linux-androideabi --enable-threads --enable-tls --enable-libgomp
--disable-libitm --disable-libsanitizer --enable-libatomic
--disable-libstdc__-v3
Thread model: posix
gcc version 4.9.4 20150629 (prerelease) (Linaro GCC 4.9-2015.06)
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From: "Bernhard.Rosenkranzer at linaro dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/67437] New: [5/6 Regression] Template can't use const value of explicitly instantiated instance in a const expression
Date: Wed, 02 Sep 2015 17:19:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: c++
X-Bugzilla-Version: 5.2.1
X-Bugzilla-Keywords:
X-Bugzilla-Severity: normal
X-Bugzilla-Who: Bernhard.Rosenkranzer at linaro dot org
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Resolution:
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags:
X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter target_milestone
Message-ID: <bug-67437-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
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X-SW-Source: 2015-09/txt/msg00194.txt.bz2
Content-length: 1719
https://gcc.gnu.org/bugzilla/show_bug.cgi?idg437
Bug ID: 67437
Summary: [5/6 Regression] Template can't use const value of
explicitly instantiated instance in a const expression
Product: gcc
Version: 5.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: Bernhard.Rosenkranzer at linaro dot org
Target Milestone: ---
The following code builds fine with gcc versions up to 4.9 and with any version
of clang, but fails with gcc 5.1, 5.2 and trunk:
template <int N>
struct I0ATerm {
static const double value = I0ATerm<N-1>::value * (2.*N-1.) * (2.*N-1.)
/ (8. * N);
};
template <>
struct I0ATerm<0> { // 1/sqrt(2*PI);
static const double value 0.398942280401432677939946059934381868475858631164934657665925;
};
int main(int argc, char **argv) {
I0ATerm<1>::value;
}
Error message from gcc 5.2:
test.cpp: In instantiation of 'const double I0ATerm<1>::value':
test.cpp:12:14: required from here
test.cpp:3:22: error: the value of 'I0ATerm<0>::value' is not usable in a
constant expression
static const double value = I0ATerm<N-1>::value * (2.*N-1.) * (2.*N-1.) / (8.
* N);
^
test.cpp:8:22: note: 'I0ATerm<0>::value' does not have integral or enumeration
type
static const double value 0.398942280401432677939946059934381868475858631164934657665925;
^
(changing "double" to "int" "fixes" it (but of course that loss of precision is
not always acceptable).
Given the double is a constant expression, I'm not sure this is intended to
break.
next prev parent reply other threads:[~2015-09-02 17:09 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-31 22:50 [Bug regression/67415] New: [5.1/5.2 " Bernhard.Rosenkranzer at linaro dot org
2015-08-31 22:56 ` [Bug regression/67415] " Bernhard.Rosenkranzer at linaro dot org
2015-09-01 8:34 ` [Bug regression/67415] [5/6 " rguenth at gcc dot gnu.org
2015-09-01 14:57 ` rearnsha at gcc dot gnu.org
2015-09-02 17:09 ` Bernhard.Rosenkranzer at linaro dot org [this message]
2015-09-02 21:41 ` rearnsha at gcc dot gnu.org
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