https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114568
Bug ID: 114568
Summary: [14 regression] g++.dg/vect/pr84556.cc fails to
produce executable since r14-9706-gb8e7aaaf350a45
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: testsuite
Assignee: unassigned at gcc dot gnu.org
Reporter: thiago.bauermann at linaro dot org
CC: mkuvyrkov at gcc dot gnu.org
Target Milestone: ---
After g:b8e7aaaf350a4584d9b76e8dd69daa2203bac339, r14-9706-gb8e7aaaf350a45 we
have noticed a regression on our "thumb_m3_eabi" and "thumb_m55_hard_eabi"
(more details about them later):
Running g++:g++.dg/vect/vect.exp ...
FAIL: g++.dg/vect/pr84556.cc -std=c++14 (test for excess errors)
UNRESOLVED: g++.dg/vect/pr84556.cc -std=c++14 compilation failed to produce
executable
FAIL: g++.dg/vect/pr84556.cc -std=c++17 (test for excess errors)
UNRESOLVED: g++.dg/vect/pr84556.cc -std=c++17 compilation failed to produce
executable
FAIL: g++.dg/vect/pr84556.cc -std=c++20 (test for excess errors)
UNRESOLVED: g++.dg/vect/pr84556.cc -std=c++20 compilation failed to produce
executable
commit b8e7aaaf350a4584d9b76e8dd69daa2203bac339
Author: Maxim Kuvyrkov <[email protected]>
CommitDate: Thu Mar 28 13:38:59 2024 +0000
[testsuite] Fixup dg-options in {gcc,g++,gfortran}.dg/vect.exp tests
This is the part of g++.log showing the problem:
spawn -ignore SIGHUP
/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/destdir/x86_64-pc-linux-gnu/bin/arm-eabi-g++
/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/snapshots/gcc.git~master/gcc/testsuite/g++.dg/vect/pr84556.cc
-mthumb -march=armv8.1-m.main+mve.fp+fp.dp -mtune=cortex-m55 -mfloat-abi=hard
-mfpu=auto -fdiagnostics-plain-output -nostdinc++
-I/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/x86_64-pc-linux-gnu/arm-eabi/gcc-gcc.git~master-stage2/arm-eabi/libstdc++-v3/include/arm-eabi
-I/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/x86_64-pc-linux-gnu/arm-eabi/gcc-gcc.git~master-stage2/arm-eabi/libstdc++-v3/include
-I/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/snapshots/gcc.git~master/libstdc++-v3/libsupc++
-I/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/snapshots/gcc.git~master/libstdc++-v3/include/backward
-I/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/snapshots/gcc.git~master/libstdc++-v3/testsuite/util
-fmessage-length=0 -std=c++20 -O2 -ftree-vectorize -fno-vect-cost-model
-mfpu=neon -mfloat-abi=softfp -march=armv7-a -ffast-math
-fdump-tree-vect-details -O2 -fopenmp-simd -specs=rdimon.specs
-L/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/x86_64-pc-linux-gnu/arm-eabi/gcc-gcc.git~master-stage2/arm-eabi/./libstdc++-v3/src/.libs
-B/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/x86_64-pc-linux-gnu/arm-eabi/gcc-gcc.git~master-stage2/arm-eabi/./libstdc++-v3/src/.libs
-L/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/x86_64-pc-linux-gnu/arm-eabi/gcc-gcc.git~master-stage2/arm-eabi/./libstdc++-v3/src/experimental/.libs
-lm -o ./pr84556.exe
/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/destdir/x86_64-pc-linux-gnu/lib/gcc/arm-eabi/14.0.1/../../../../arm-eabi/bin/ld:
error: ./pr84556.exe uses VFP register arguments, /tmp/cce7HucW.o does not
/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/destdir/x86_64-pc-linux-gnu/lib/gcc/arm-eabi/14.0.1/../../../../arm-eabi/bin/ld:
error: /tmp/cce7HucW.o: conflicting architecture profiles A/M
/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/destdir/x86_64-pc-linux-gnu/lib/gcc/arm-eabi/14.0.1/../../../../arm-eabi/bin/ld:
failed to merge target specific data of file /tmp/cce7HucW.o
collect2: error: ld returned 1 exit status
compiler exited with status 1
I selected "testsuite" as the problematic component because the commit above
only made testsuite changes, but I'm not sure if this is a symptom of a problem
somewhere else.
In the "thumb_m3_eabi" configuration, GCC was configured with:
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/snapshots/gcc.git~master/configure
\
SHELL=/bin/bash \
--with-mpc=/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/destdir/x86_64-pc-linux-gnu
\
--with-mpfr=/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/destdir/x86_64-pc-linux-gnu
\
--with-gmp=/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/destdir/x86_64-pc-linux-gnu
\
--with-gnu-as \
--with-gnu-ld \
--disable-libmudflap \
--enable-lto \
--enable-shared \
--without-included-gettext \
--enable-nls \
--with-system-zlib \
--disable-sjlj-exceptions \
--enable-gnu-unique-object \
--enable-linker-build-id \
--disable-libstdcxx-pch \
--enable-c99 \
--enable-clocale=gnu \
--enable-libstdcxx-debug \
--enable-long-long \
--with-cloog=no \
--with-ppl=no \
--with-isl=no \
--enable-threads=no \
--disable-multiarch \
--disable-multilib \
--with-mode=thumb \
--with-cpu=cortex-m3 \
--with-float=softfp \
--with-sysroot=/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/destdir/x86_64-pc-linux-gnu/arm-eabi
\
--with-headers=yes \
--with-native-system-header-dir=/include \
--with-newlib \
--enable-checking=yes \
--disable-bootstrap \
--enable-languages=c,c++,lto \
--prefix=/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/destdir/x86_64-pc-linux-gnu
\
--build=x86_64-pc-linux-gnu \
--host=x86_64-pc-linux-gnu \
--target=arm-eabi
In the "thumb_m55_hard_eabi" configuration, GCC was configured with:
/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/snapshots/gcc.git~master/configure
\
SHELL=/bin/bash \
--with-mpc=/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/destdir/x86_64-pc-linux-gnu
\
--with-mpfr=/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/destdir/x86_64-pc-linux-gnu
\
--with-gmp=/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/destdir/x86_64-pc-linux-gnu
\
--with-gnu-as \
--with-gnu-ld \
--disable-libmudflap \
--enable-lto \
--enable-shared \
--without-included-gettext \
--enable-nls \
--with-system-zlib \
--disable-sjlj-exceptions \
--enable-gnu-unique-object \
--enable-linker-build-id \
--disable-libstdcxx-pch \
--enable-c99 \
--enable-clocale=gnu \
--enable-libstdcxx-debug \
--enable-long-long \
--with-cloog=no \
--with-ppl=no \
--with-isl=no \
--enable-threads=no \
--disable-multiarch \
--disable-multilib \
--with-mode=thumb \
--with-arch=armv8.1-m.main+mve.fp+fp.dp \
--with-float=hard \
--with-sysroot=/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/destdir/x86_64-pc-linux-gnu/arm-eabi
\
--with-headers=yes \
--with-native-system-header-dir=/include \
--with-newlib \
--enable-checking=yes \
--disable-bootstrap \
--enable-languages=c,c++,lto \
--prefix=/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/destdir/x86_64-pc-linux-gnu
\
--build=x86_64-pc-linux-gnu \
--host=x86_64-pc-linux-gnu \
--target=arm-eabi
