https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70725
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
CC| |hjl.tools at gmail dot com
Resolution|FIXED |---
--- Comment #8 from H.J. Lu <hjl.tools at gmail dot com> ---
It leads to ICE on 32-bit host:
[hjl@gnu-6 gcc]$ ./xgcc -B./
/export/gnu/import/git/sources/gcc/gcc/testsuite/gcc.dg/pr70725.c
-march=skylake-avx512 -O3
/export/gnu/import/git/sources/gcc/gcc/testsuite/gcc.dg/pr70725.c: In function
‘fn1’:
/export/gnu/import/git/sources/gcc/gcc/testsuite/gcc.dg/pr70725.c:13:1:
internal compiler error: in phi_convertible_by_degenerating_args, at
tree-if-conv.c:605
fn1 ()
^~~
0x879899b phi_convertible_by_degenerating_args
/export/gnu/import/git/sources/gcc/gcc/tree-if-conv.c:605
0x879899b if_convertible_phi_p
/export/gnu/import/git/sources/gcc/gcc/tree-if-conv.c:664
0x879899b if_convertible_loop_p_1
/export/gnu/import/git/sources/gcc/gcc/tree-if-conv.c:1408
0x8798f27 if_convertible_loop_p
/export/gnu/import/git/sources/gcc/gcc/tree-if-conv.c:1466
0x8798f27 tree_if_conversion
/export/gnu/import/git/sources/gcc/gcc/tree-if-conv.c:2774
0x8798f27 execute
/export/gnu/import/git/sources/gcc/gcc/tree-if-conv.c:2875
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
[hjl@gnu-6 gcc]$ ./xgcc -v
Using built-in specs.
COLLECT_GCC=./xgcc
Target: i686-linux
Configured with: /export/gnu/import/git/sources/gcc/configure
--enable-languages=c,c++ --disable-bootstrap i686-linux --prefix=/usr/gcc-7.0.0
--with-local-prefix=/usr/local --enable-gnu-indirect-function --enable-libmpx
--disable-libcc1 --disable-libcilkrts --disable-libsanitizer
--enable-clocale=gnu --with-system-zlib --with-demangler-in-ld
--with-fpmath=sse
Thread model: posix
gcc version 7.0.0 20160420 (experimental) (GCC)
[hjl@gnu-6 gcc]$
