https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102222
Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2021-09-07 CC| |krebbel at gcc dot gnu.org, | |marxin at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #4 from Martin Liška <marxin at gcc dot gnu.org> --- Thank you for the report. I can confirm it happens for the current master: $ ./xgcc -B. ~/Programming/testcases/pr102222.c -O2 -pipe -march=z10 -c ./as: line 114: exec: -m: invalid option exec: usage: exec [-cl] [-a name] [command [argument ...]] [redirection ...] /home/marxin/Programming/testcases/pr102222.c:2:1: warning: data definition has no type or storage class 2 | read_inode_val; | ^~~~~~~~~~~~~~ /home/marxin/Programming/testcases/pr102222.c:2:1: warning: type defaults to ‘int’ in declaration of ‘read_inode_val’ [-Wimplicit-int] /home/marxin/Programming/testcases/pr102222.c:5:1: warning: no semicolon at end of struct or union 5 | } __attribute__((packed)) read_inode() { | ^ /home/marxin/Programming/testcases/pr102222.c: In function ‘read_inode’: /home/marxin/Programming/testcases/pr102222.c:7:1: error: unrecognizable insn: 7 | } | ^ (insn 9 8 10 2 (set (strict_low_part (reg:SI 66)) (mem/c:SI (plus:SI (reg/f:SI 64) (const_int 4 [0x4])) [1 read_inode_val+0 S4 A32])) "/home/marxin/Programming/testcases/pr102222.c":6:30 -1 (nil)) during RTL pass: vregs /home/marxin/Programming/testcases/pr102222.c:7:1: internal compiler error: in extract_insn, at recog.c:2769 0x6998f5 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) /home/marxin/Programming/gcc2/gcc/rtl-error.c:108 0x699911 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*) /home/marxin/Programming/gcc2/gcc/rtl-error.c:116 0x698327 extract_insn(rtx_insn*) /home/marxin/Programming/gcc2/gcc/recog.c:2769 0xaa8bb5 instantiate_virtual_regs_in_insn /home/marxin/Programming/gcc2/gcc/function.c:1611 0xaa8bb5 instantiate_virtual_regs /home/marxin/Programming/gcc2/gcc/function.c:1985 0xaa8bb5 execute /home/marxin/Programming/gcc2/gcc/function.c:2034 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. $ ./xgcc -v Using built-in specs. COLLECT_GCC=./xgcc Target: s390-linux-gnu Configured with: /home/marxin/Programming/gcc2/configure --enable-languages=c,c++,fortran,lto --prefix=/home/marxin/bin/gcc2 --disable-bootstrap --disable-multilib --disable-libsanitizer --target=s390-linux-gnu Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 12.0.0 20210907 (experimental) (GCC)