http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49877
--- Comment #1 from Arnaud Lacombe <lacombar at gmail dot com> 2011-07-27 18:45:26 UTC --- also triggering: /src/linux/linux/drivers/input/mouse/synaptics.c:679:1: error: insn does not satisfy its constraints: (insn 274 1532 1533 23 (set (mem/c:QI (plus:SI (reg/f:SI 7 sp) (const_int 3 [0x3])) [0 %sfp+-41 S1 A8]) (and:QI (mem/c:QI (plus:SI (reg/f:SI 7 sp) (const_int 3 [0x3])) [0 %sfp+-41 S1 A8]) (const_int 127 [0x7f]))) /src/linux/linux/drivers/input/mouse/synaptics.c:429 160 {andqi3_1} (nil)) /src/linux/linux/drivers/input/mouse/synaptics.c:679:1: internal compiler error: in reload_cse_simplify_operands, at postreload.c:403 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions.