http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54760
--- Comment #8 from Kazumoto Kojima <kkojima at gcc dot gnu.org> 2012-10-12 00:43:09 UTC --- (In reply to comment #7) > * Slot illegal instruction exception <<< but which insns?!?! Ah, you could see a list in that manual rej09b0003_sh4a.pdf, pdf page 108, Slot Illegal Instruction Exception: ... Previleged instructions:LDC,STC,RTE,LDTLB,SLEEP,but excluding LDC/STC instructions that access GBR ...