16 registers, 49 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	r11 = splat 2 (2.8025969e-45)
12	r11 = eq_i32 r10 r11
13	r12 = bit_xor r9 r11
14	r13 = bit_and r11 r12
15	r14 = splat 1 (1.4012985e-45)
16	r14 = eq_i32 r10 r14
17	r15 = bit_or r13 r14
18	r15 = bit_and r12 r15
19	r13 = select r15 r9 r13
20	r8 = eq_i32 r8 r10
21	r13 = bit_or r13 r8
22	r13 = bit_and r12 r13
23	r8 = bit_and r8 r13
24	r12 = bit_xor r9 r8
25	r8 = bit_and r8 r12
26	r14 = bit_or r14 r8
27	r14 = bit_and r13 r14
28	r14 = bit_and r12 r14
29	r8 = select r14 r9 r8
30	r11 = bit_or r11 r8
31	r11 = bit_and r13 r11
32	r11 = bit_and r12 r11
33	r8 = select r11 r9 r8
34	r9 = splat 3 (4.2038954e-45)
35	r9 = eq_i32 r10 r9
36	r9 = bit_or r8 r9
37	r9 = bit_and r13 r9
38	r9 = bit_and r12 r9
39	r9 = bit_and r13 r9
40	r9 = bit_and r13 r9
41	r4 = select r9 r0 r4
42	r5 = select r9 r1 r5
43	r6 = select r9 r2 r6
44	r7 = select r9 r3 r7
loop:
45	    store32 ptr1 r4
46	    store32 ptr2 r5
47	    store32 ptr3 r6
48	    store32 ptr4 r7