JUMP_PREDICATE
*cs++ = MI_MATH_STORE(MI_MATH_REG(JUMP_PREDICATE), MI_MATH_REG_CF);
*cs++ = i915_mmio_reg_offset(CS_GPR(JUMP_PREDICATE));
*cs++ = MI_MATH_STOREINV(MI_MATH_REG(JUMP_PREDICATE), MI_MATH_REG_CF);
*cs++ = i915_mmio_reg_offset(CS_GPR(JUMP_PREDICATE));