http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47766
Summary: [x32] -fstack-protector doesn't work Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassig...@gcc.gnu.org ReportedBy: hjl.to...@gmail.com [hjl@gnu-6 ilp32-22]$ cat x.c int parse_opt (int key) { struct { int arg[key]; } reqdata; return 0; } [hjl@gnu-6 ilp32-22]$ make x.s /export/build/gnu/gcc-x32/build-x86_64-linux/gcc/xgcc -B/export/build/gnu/gcc-x32/build-x86_64-linux/gcc/ -S -o x.s -mx32 -O2 -g -fstack-protector x.c x.c: In function \u2018parse_opt\u2019: x.c:9:1: error: unrecognizable insn: (insn 4 3 6 2 (parallel [ (set (mem/v/f/c/i:SI (plus:DI (reg/f:DI 54 virtual-stack-vars) (const_int -4 [0xfffffffffffffffc])) [2 D.2703+0 S4 A32]) (unspec:DI [ (const_int 40 [0x28]) ] UNSPEC_SP_TLS_SET)) (set (scratch:DI) (const_int 0 [0])) (clobber (reg:CC 17 flags)) ]) x.c:3 -1 (nil)) x.c:9:1: internal compiler error: in extract_insn, at recog.c:2109 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. make: *** [x.s] Error 1 [hjl@gnu-6 ilp32-22]$