https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107304
Bug ID: 107304 Summary: internal compiler error: in convert_move, at expr.cc:220 with -march=tigerlake Product: gcc Version: 12.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: colin.king at intel dot com Target Milestone: --- compiling stress-ng using CLFLAGS=-march-tigerlake: git clone https://github.com/ColinIanKing/stress-ng cd stress-ng make clean CFLAGS=-march=tigerlake make -j 8 make stress-ng VERBOSE= make[1]: Entering directory '/home/cking/repos/stress-ng' CC stress-vecshuf.c during RTL pass: expand stress-vecshuf.c: In function 'stress_vecshuf_u128_4.arch_alderlake': stress-vecshuf.c:107:39: internal compiler error: in convert_move, at expr.cc:220 107 | static double TARGET_CLONES OPTIMIZE3 stress_vecshuf_ ## tag ## _ ## elements ( \ | ^~~~~~~~~~~~~~~ stress-vecshuf.c:139:1: note: in expansion of macro 'STRESS_VEC_SHUFFLE' 139 | STRESS_VEC_SHUFFLE(u128, 4) | ^~~~~~~~~~~~~~~~~~ 0x7f47b0cfb209 __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58 0x7f47b0cfb2bb __libc_start_main_impl ../csu/libc-start.c:389 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <file:///usr/share/doc/gcc-12/README.Bugs> for instructions. make[1]: *** [Makefile:504: stress-vecshuf.o] Error 1 make[1]: Leaving directory '/home/cking/repos/stress-ng' make: *** [Makefile:488: all] Error 2 Without CFLAGS=-march=tigerlake it builds fine.