4 registers, 8 instructions:
0	r0 = splat 40A00000 (5)
1	r1 = splat 420C0000 (35)
2	r2 = splat 41700000 (15)
3	r3 = splat 3F800000 (1)
loop:
4	    store32 ptr1 r0
5	    store32 ptr2 r1
6	    store32 ptr3 r2
7	    store32 ptr4 r3