MIPS_SR_MX
: [mips_sr_mx] "r"(MIPS_SR_MX),
tf->tf_regs[_R_SR] |= MIPS_SR_MX;
[mips_sr_mx] "r"(MIPS_SR_MX),
l->l_md.md_utf->tf_regs[_R_SR] &= ~MIPS_SR_MX;
if ((tf->tf_regs[_R_SR] & MIPS_SR_MX) == 0)