Mercurial > projects > dstress
comparison run/a/asm_pavgw_01_A.d @ 1285:229e630d4b1a
partuial inline asm review
author | thomask |
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date | Tue, 26 Dec 2006 14:21:37 +0000 |
parents | f9084d3862e8 |
children |
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1284:96e7be832c35 | 1285:229e630d4b1a |
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14 import addon.cpuinfo; | 14 import addon.cpuinfo; |
15 | 15 |
16 int main(){ | 16 int main(){ |
17 haveSSE!()(); | 17 haveSSE!()(); |
18 | 18 |
19 short[] a = new short[8]; | 19 short* a = (new short[8]).ptr; |
20 a[0] = 1; | 20 a[0] = 1; |
21 a[1] = -2; | 21 a[1] = 2; |
22 a[2] = 3; | 22 a[2] = 3; |
23 a[3] = 4; | 23 a[3] = 4; |
24 a[4] = 5; | 24 a[4] = 5; |
25 a[5] = 6; | 25 a[5] = 6; |
26 a[6] = 7; | 26 a[6] = 7; |
27 a[7] = 8; | 27 a[7] = 8; |
28 | 28 |
29 short[] b = new short[8]; | 29 ushort* b = (new ushort[8]).ptr; |
30 b[0] = 5; | 30 b[0] = 5; |
31 b[1] = 2; | 31 b[1] = 2; |
32 b[2] = -1; | 32 b[2] = 1; |
33 b[3] = -8; | 33 b[3] = 8; |
34 b[4] = 15; | 34 b[4] = 15; |
35 b[5] = 4; | 35 b[5] = 4; |
36 b[6] = 1; | 36 b[6] = 1; |
37 b[7] = 4; | 37 b[7] = 4; |
38 | 38 |
39 short[] c = new short[8]; | 39 ushort[] c = new ushort[8]; |
40 c[0] = 3; | 40 c[0] = 3; |
41 c[1] = 0; | 41 c[1] = 2; |
42 c[2] = 1; | 42 c[2] = 2; |
43 c[3] = -2; | 43 c[3] = 6; |
44 c[4] = 10; | 44 c[4] = 10; |
45 c[5] = 5; | 45 c[5] = 5; |
46 c[6] = 4; | 46 c[6] = 4; |
47 c[7] = 6; | 47 c[7] = 6; |
48 | 48 |
49 byte[] d = new byte[8]; | 49 ushort* d = (new ushort[8]).ptr; |
50 | 50 |
51 asm{ | 51 static if(size_t.sizeof == 4){ |
52 movdqu XMM0, a; | 52 asm{ |
53 movdqu XMM1, b; | 53 mov EAX, a; |
54 pavgw XMM0, XMM1; | 54 movdqu XMM0, [EAX]; |
55 movdqu d, XMM0; | 55 mov EAX, b; |
56 movdqu XMM1, [EAX]; | |
57 pavgw XMM0, XMM1; | |
58 mov EAX, d; | |
59 movdqu [EAX], XMM0; | |
60 } | |
61 }else static if(size_t.sizeof == 8){ | |
62 asm{ | |
63 mov RAX, a; | |
64 movdqu XMM0, [RAX]; | |
65 mov RAX, b; | |
66 movdqu XMM1, [RAX]; | |
67 pavgw XMM0, XMM1; | |
68 mov RAX, d; | |
69 movdqu [RAX], XMM0; | |
70 } | |
71 }else{ | |
72 static assert(0, "unhandled pointer size"); | |
56 } | 73 } |
57 | 74 |
58 for(size_t i = 0; i < c.length; i++){ | 75 for(size_t i = 0; i < c.length; i++){ |
59 if(d[i] != c[i]){ | 76 if(d[i] != c[i]){ |
60 assert(0); | 77 assert(0); |