XMM_ALIGN
uint8_t fxsave_state[sizeof (struct fxsave_state) + XMM_ALIGN];
XMM_ALIGN) & ~(XMM_ALIGN - 1ul));
subl $_CONST(_MUL(XMM_SIZE, nreg) + XMM_ALIGN), %esp; \
addl $XMM_ALIGN, sreg; \
andl $_BITNOT(XMM_ALIGN-1), sreg
addl $_CONST(_MUL(XMM_SIZE, nreg) + XMM_ALIGN), %esp;