cfgexpand.c (asm_clobber_reg_is_valid): Reject clobbers outside of accessible_reg_set.
* cfgexpand.c (asm_clobber_reg_is_valid): Reject
clobbers outside of accessible_reg_set.
* config/i386/i386.c (ix86_conditional_register_usage):
Disable register sets by clearing corresponding bits in
accessible_reg_set. Do not set corresponding bits in fixed_regs,
call_used_regs and don't clear corresponding reg_names array members.