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comparison run/a/asm_pfrcp_01_B.d @ 1288:61d7e32e70a8

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partial inline asm review
author thomask
date Wed, 27 Dec 2006 11:59:19 +0000
parents 03c97933de98
children
comparison
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1287:8cd17283ece1 1288:61d7e32e70a8
2 // $Date$ 2 // $Date$
3 // $Author$ 3 // $Author$
4 4
5 module dstress.run.a.asm_pfrcp_01_B; 5 module dstress.run.a.asm_pfrcp_01_B;
6 6
7 int main(){ 7 version(D_InlineAsm_X86){
8 version(D_InlineAsm_X86){ 8 version = runTest;
9 const float[2] A = [2.0f, 3.3f]; 9 }else version(D_InlineAsm_X86_64){
10 float[2] c; 10 version = runTest;
11 }
11 12
12 asm{ 13 version(runTest){
13 movq MM1, A; 14 import addon.cpuinfo;
14 pfrcp MM0, MM1; 15
15 movq c, MM0; 16 int main(){
16 emms; 17 haveMMX!()();
18
19 float[] A = [2.0f, 3.3f];
20 float* a = A.ptr;
21
22 float* c = (new float[2]).ptr;
23
24 static if(size_t.sizeof == 4){
25 asm{
26 mov EAX, a;
27 movq MM1, [EAX];
28 pfrcp MM0, MM1;
29 mov EAX, c;
30 movq [EAX], MM0;
31 emms;
32 }
33 }else static if(size_t.sizeof == 8){
34 asm{
35 mov RAX, a;
36 movq MM1, [RAX];
37 pfrcp MM0, MM1;
38 mov RAX, c;
39 movq [RAX], MM0;
40 emms;
41 }
42 }else{
43 static assert(0, "unhandled pointer size");
17 } 44 }
18 45
19 c[0] -= 0.5f; 46 c[0] -= 0.5f;
20 if(c[0] < 0.0f){ 47 if(c[0] < 0.0f){
21 c[0] = -c[0]; 48 c[0] = -c[0];
31 if(c[1] > float.epsilon * (1 << 11)){ 58 if(c[1] > float.epsilon * (1 << 11)){
32 assert(0); 59 assert(0);
33 } 60 }
34 61
35 return 0; 62 return 0;
36 }else{
37 pragma(msg, "no Inline asm support");
38 static assert(0);
39 } 63 }
64 }else{
65 pragma(msg, "DSTRESS{XFAIL}: no inline ASM support");
66 static assert(0);
40 } 67 }