https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116170
Bug ID: 116170
Summary: [15 regression] ICE unrecognizable insn since
r15-2084-g33dca0a4c1c421
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: sch...@linux-m68k.org
Blocks: 112993
Target Milestone: ---
Target: powerpc64le-*-*
Created attachment 58791
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58791&action=edit
libm-test-support-float128.i
https://build.opensuse.org/package/live_build_log/devel:gcc:next/glibc:testsuite/openSUSE_Factory_PowerPC/ppc64le
$ gcc
/home/abuild/rpmbuild/BUILD/glibc-2.40.9000.38.ge3b0b3484/cc-base/math/libm-test-support-float128.c
-c -std=gnu11 -fgnu89-inline -O2 -Wall -funwind-tables
-fasynchronous-unwind-tables -fstack-clash-protection -Werror=return-type -g
-mabi=ibmlongdouble -Wall -Wwrite-strings -Wundef -Werror -fmerge-all-constants
-frounding-math -fstack-protector-strong -fno-common
-Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wstrict-prototypes
-Wold-style-definition -fmath-errno -mabi=ieeelongdouble -Wno-psabi
-mno-gnu-attribute -mlong-double-128 -fPIE -mfloat128 -mabi=ibmlongdouble
-fno-inline -ffloat-store -fno-builtin -fsignaling-nans -I../include
-I/home/abuild/rpmbuild/BUILD/glibc-2.40.9000.38.ge3b0b3484/cc-base/math
-I/home/abuild/rpmbuild/BUILD/glibc-2.40.9000.38.ge3b0b3484/cc-base
-I../sysdeps/unix/sysv/linux/powerpc/powerpc64/le/fpu
-I../sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu
-I../sysdeps/unix/sysv/linux/powerpc/powerpc64/le
-I../sysdeps/unix/sysv/linux/powerpc/powerpc64
-I../sysdeps/unix/sysv/linux/wordsize-64 -I../sysdeps/unix/sysv/linux/powerpc
-I../sysdeps/powerpc/nptl -I../sysdeps/unix/sysv/linux/include
-I../sysdeps/unix/sysv/linux -I../sysdeps/nptl -I../sysdeps/pthread
-I../sysdeps/gnu -I../sysdeps/unix/inet -I../sysdeps/unix/sysv
-I../sysdeps/unix/powerpc -I../sysdeps/unix -I../sysdeps/posix
-I../sysdeps/powerpc/powerpc64/le/power8/fpu/multiarch
-I../sysdeps/powerpc/powerpc64/le/power7/fpu/multiarch
-I../sysdeps/powerpc/powerpc64/le/fpu/multiarch
-I../sysdeps/powerpc/powerpc64/le/power8/fpu
-I../sysdeps/powerpc/powerpc64/le/power7/fpu
-I../sysdeps/powerpc/powerpc64/le/fpu -I../sysdeps/powerpc/powerpc64/fpu
-I../sysdeps/powerpc/powerpc64/le/power8/multiarch
-I../sysdeps/powerpc/powerpc64/le/power7/multiarch
-I../sysdeps/powerpc/powerpc64/le/multiarch
-I../sysdeps/powerpc/powerpc64/multiarch
-I../sysdeps/powerpc/powerpc64/le/power8 -I../sysdeps/powerpc/powerpc64/power8
-I../sysdeps/powerpc/powerpc64/le/power7
-I../sysdeps/powerpc/powerpc64/power7 -I../sysdeps/powerpc/powerpc64/power6
-I../sysdeps/powerpc/powerpc64/power4 -I../sysdeps/powerpc/power4
-I../sysdeps/powerpc/powerpc64/le -I../sysdeps/powerpc/powerpc64
-I../sysdeps/wordsize-64 -I../sysdeps/powerpc/fpu -I../sysdeps/powerpc
-I../sysdeps/ieee754/ldbl-128ibm-compat
-I../sysdeps/ieee754/ldbl-128ibm/include -I../sysdeps/ieee754/ldbl-128ibm
-I../sysdeps/ieee754/ldbl-opt -I../sysdeps/ieee754/dbl-64
-I../sysdeps/ieee754/flt-32 -I../sysdeps/ieee754/float128
-I../sysdeps/ieee754 -I../sysdeps/generic -I.. -I../libio -I.
-D_LIBC_REENTRANT -include
/home/abuild/rpmbuild/BUILD/glibc-2.40.9000.38.ge3b0b3484/cc-base/libc-modules.h
-DMODULE_NAME=testsuite -include ../include/libc-symbols.h -DPIC
-DTOP_NAMESPACE=glibc -I../soft-fp -o
/home/abuild/rpmbuild/BUILD/glibc-2.40.9000.38.ge3b0b3484/cc-base/math/libm-test-support-float128.o
-MD -MP -MF
/home/abuild/rpmbuild/BUILD/glibc-2.40.9000.38.ge3b0b3484/cc-base/math/libm-test-support-float128.o.dt
-MT
/home/abuild/rpmbuild/BUILD/glibc-2.40.9000.38.ge3b0b3484/cc-base/math/libm-test-support-float128.o
In file included from
/home/abuild/rpmbuild/BUILD/glibc-2.40.9000.38.ge3b0b3484/cc-base/math/libm-test-support-float128.c:2:
./libm-test-support.c: In function ‘check_complex_max_error’:
./libm-test-support.c:479:1: error: unrecognizable insn:
479 | }
| ^
(insn 578 0 0 (set (const_vector:V1TI [
(const_int 0 [0])
])
(reg:V1TI 344)) -1
(nil))
during RTL pass: reload
./libm-test-support.c:479:1: internal compiler error: in extract_insn, at
recog.cc:2848
0x108f277f diagnostic_context::diagnostic_impl(rich_location*,
diagnostic_metadata const*, int, char const*, char**, diagnostic_t)
???:0
0x10878c0b internal_error(char const*, ...)
???:0
0x10822343 fancy_abort(char const*, int, char const*)
???:0
0x103f53a3 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
???:0
0x103f53f7 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
???:0
0x10ef5643 extract_insn(rtx_insn*)
???:0
0x10f8c217 ira_remove_insn_scratches(rtx_insn*, bool, _IO_FILE*, rtx_def*
(*)(rtx_def*))
???:0
0x11311dcb lra_emit_move(rtx_def*, rtx_def*)
???:0
0x1104cfc7 lra_constraints(bool)
???:0
0x115f975f lra(_IO_FILE*, int)
???:0
$ gcc -v
Using built-in specs.
Reading specs from /usr/lib64/gcc/powerpc64le-suse-linux/15/defaults.spec
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib64/gcc/powerpc64le-suse-linux/15/lto-wrapper
Target: powerpc64le-suse-linux
Configured with: ../configure CFLAGS=' -O2 -funwind-tables
-fasynchronous-unwind-tables -fstack-clash-protection -Werror=return-type -g'
CXXFLAGS=' -O2 -funwind-tables -fasynchronous-unwind-tables
-fstack-clash-protection -Werror=return-type -g' XCFLAGS=' -O2 -funwind-tables
-fasynchronous-unwind-tables -fstack-clash-protection -Werror=return-type -g'
TCFLAGS=' -O2 -funwind-tables -fasynchronous-unwind-tables
-fstack-clash-protection -Werror=return-type -g' GDCFLAGS=' -O2 -funwind-tables
-fasynchronous-unwind-tables -fstack-clash-protection -g' --prefix=/usr
--infodir=/usr/share/info --mandir=/usr/share/man --libdir=/usr/lib64
--libexecdir=/usr/lib64
--enable-languages=c,c++,objc,fortran,obj-c++,ada,go,jit,m2
--enable-host-shared --enable-checking=release --disable-werror
--with-gxx-include-dir=/usr/include/c++/15
--with-libstdcxx-zoneinfo=/usr/share/zoneinfo --enable-ssp --disable-libssp
--disable-libvtv --enable-cet=auto --disable-libcc1 --enable-plugin
--with-bugurl=https://bugs.opensuse.org/ --with-pkgversion='SUSE Linux'
--with-slibdir=/lib64 --with-system-zlib --enable-libstdcxx-allocator=new
--disable-libstdcxx-pch --enable-version-specific-runtime-libs
--with-gcc-major-version-only --enable-linker-build-id --enable-linux-futex
--enable-gnu-indirect-function --program-suffix=-15 --without-system-libunwind
--with-cpu=power8 --with-tune=power9 --with-long-double-format=ieee
--enable-secureplt --with-long-double-128 --enable-targets=powerpcle-linux
--disable-multilib --with-build-config=bootstrap-lto-lean
--enable-link-serialization --build=powerpc64le-suse-linux
--host=powerpc64le-suse-linux
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 15.0.0 20240731 (experimental) (SUSE Linux)
Referenced Bugs:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112993
[Bug 112993] rs6000: Rework precision for 128bit float types and modes
