_REG_SP
u->uc_mcontext.__gregs[_REG_SP] = ((__greg_t)sp) & -16;
gr[_REG_SP] = (__greg_t)(uintptr_t)sp;
uc.uc_mcontext.__gregs[_REG_SP] = sc->sc_sp;
gr[_REG_SP] = ((unsigned long) (stack_base + stack_size)) &
gr[_REG_SP] = (__greg_t)sp;
u->uc_mcontext.__gregs[_REG_SP] = ((__greg_t)sp) & ~7;
gr[_REG_SP] = (__greg_t)(uintptr_t)sp;
uc.uc_mcontext.__gregs[_REG_SP] = sc->sc_sp;
gr[_REG_SP] = (__greg_t) sp;
gr[_REG_SP] = (__greg_t)sp;
gr[_REG_SP] = ((unsigned long) (stack_base + stack_size)) & ~0x7;
gr[_REG_SP] = (uintptr_t) sp & ~STACK_ALIGNBYTES;
uc.uc_mcontext.__gregs[_REG_SP] = sc->sc_regs[_R_SP];
gr[_REG_SP] = (intptr_t)sp;
u->uc_mcontext.__gregs[_REG_SP] = (uintptr_t)sp; /* stack */
gr[_REG_SP] = (uintptr_t)sp;
u->uc_mcontext.__gregs[_REG_SP] = (uintptr_t)sp; /* stack */
gr[_REG_SP] = (uintptr_t)sp;
u->uc_mcontext.__gregs[_REG_SP] = ((__greg_t) sp) & ~3;
gr[_REG_SP] = (__greg_t)sp;
uc.uc_mcontext.__gregs[_REG_SP] = jb->jb_sc.sc_sp;
gr[_REG_SP] = (__greg_t)(uintptr_t)sp;
gr[_REG_SP] = (__greg_t)(uintptr_t)sp;
gr[_REG_SP] = (__greg_t)(uintptr_t)sp;
#define pthread__uc_sp(ucp) ((ucp)->uc_mcontext.__gregs[_REG_SP])
#define pthread__uc_sp(ucp) ((ucp)->uc_mcontext.__gregs[_REG_SP])
#define pthread__uc_sp(ucp) ((ucp)->uc_mcontext.__gregs[_REG_SP])
#define pthread__uc_sp(ucp) ((ucp)->uc_mcontext.__gregs[_REG_SP])
#define pthread__uc_sp(ucp) ((ucp)->uc_mcontext.__gregs[_REG_SP])
#define pthread__uc_sp(ucp) ((ucp)->uc_mcontext.__gregs[_REG_SP])
#define pthread__uc_sp(ucp) ((ucp)->uc_mcontext.__gregs[_REG_SP])
#define pthread__uc_sp(ucp) ((ucp)->uc_mcontext.__gregs[_REG_SP])
CTASSERT(offsetof(struct reg, r_sp) == _REG_SP * sizeof(__greg_t));
gr[_REG_SP] = alpha_pal_rdusp();
gr[_REG_SP] = pcb->pcb_hw.apcb_usp;
alpha_pal_wrusp(gr[_REG_SP]);
pcb->pcb_hw.apcb_usp = gr[_REG_SP];
#define _UC_MACHINE_SP(uc) ((uc)->uc_mcontext.__gregs[_REG_SP])
gr[_REG_SP] = tf->tf_usr_sp;
tf->tf_usr_sp = gr[_REG_SP];
#define _UC_MACHINE_SP(uc) ((uc)->uc_mcontext.__gregs[_REG_SP])
#define _UC_MACHINE_SP(uc) ((uc)->uc_mcontext.__gregs[_REG_SP])
#define _UC_MACHINE_SP(uc) ((uc)->uc_mcontext.__gregs[_REG_SP])
#define _UC_MACHINE_SP(uc) ((uc)->uc_mcontext.__gregs[_REG_SP])
#define _UC_MACHINE_SP(uc) ((uc)->uc_mcontext.__gregs[_REG_SP])
|| (int32_t) mcp->__gregs[_REG_SP] < 0
|| (intptr_t) mcp->__gregs[_REG_SP] < 0
#define _UC_MACHINE_SP(uc) ((uc)->uc_mcontext.__gregs[_REG_SP])
#define _UC_MACHINE_SP(uc) ((uc)->uc_mcontext.__gregs[_REG_SP])
gr[_REG_SP] = tf->tf_sp;
tf->tf_sp = gr[_REG_SP];
uc->uc_mcontext.__gregs[_REG_SP] = ctx->sp;
ctx->sp = uc.uc_mcontext.__gregs[_REG_SP];