t0, -1 la t1, mtimecmp sw t0, 0(t1) # No smaller than new value. sw a0, 0(s2) (b) fence rw,rw C/C++ Construct RVWMO AMO Mapping atomic <op> relaxed loop:lr.{w|d}; <op>; sc.{w|d}; bnez loop atomic_<op>(memory_order_acquire) loop:lr.{w|d}.aq; <op>; sc.{w|d}; bnez loop atomic_<op>(memory_order_acquire) loop:lr.{w|d}.aq; <op>; sc.{w|d}; bnez loop atomic <op> relaxed amo <op>.{w|d} atomic <op> release amo <op>.{w|d}.rl atomic <op> amo <op>.{w|d}.aqrl Linux Construct RVWMO LR/SC Mapping atomic_<op>(memory_order_relaxed) loop:lr.{w|d}; <op>; sc.{w|d}; bnez loop atomic <op> relaxed loop:lr.{w|d}; <op>; sc.{w|d}.rl; bnez loop Fence fence rw,rw (e) lw a2, (a0) # Spill
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