.set noat # allow manual use of $at .set noreorder # don't insert nops after branches glabel IP7_Hdlr /* 46050 8006AC50 2401BFFF */ addiu $at, $zero, -0x4001 /* 46054 8006AC54 1000FFED */ b next_interrupt /* 46058 8006AC58 02018024 */ and $s0, $s0, $at