16 registers, 33 instructions:
0	r0 = uniform32 ptr0 4
1	r1 = uniform32 ptr0 8
2	r2 = uniform32 ptr0 C
3	r3 = uniform32 ptr0 10
4	r4 = uniform32 ptr0 14
5	r5 = uniform32 ptr0 18
6	r6 = uniform32 ptr0 1C
7	r7 = uniform32 ptr0 20
8	r8 = splat 0 (0)
9	r9 = splat FFFFFFFF (nan)
10	r10 = trunc r1
11	r8 = eq_i32 r10 r8
12	r11 = bit_and r4 r8
13	r12 = bit_and r5 r8
14	r13 = bit_and r6 r8
15	r14 = bit_and r7 r8
16	r15 = splat 1 (1.4012985e-45)
17	r15 = eq_i32 r10 r15
18	r15 = bit_clear r15 r8
19	r11 = select r15 r0 r11
20	r12 = select r15 r1 r12
21	r13 = select r15 r2 r13
22	r14 = select r15 r3 r14
23	r9 = bit_xor r15 r9
24	r8 = bit_clear r9 r8
25	r11 = select r8 r4 r11
26	r12 = select r8 r5 r12
27	r13 = select r8 r6 r13
28	r14 = select r8 r7 r14
loop:
29	    store32 ptr1 r11
30	    store32 ptr2 r12
31	    store32 ptr3 r13
32	    store32 ptr4 r14