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comparison run/a/asm_pfrcp_01_A.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_A; 5 module dstress.run.a.asm_pfrcp_01_A;
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 pfrcp MM0, A; 14 import addon.cpuinfo;
14 movq c, MM0; 15
15 emms; 16 int main(){
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 pfrcp MM0, [EAX];
28 mov EAX, c;
29 movq [EAX], MM0;
30 emms;
31 }
32 }else static if(size_t.sizeof == 8){
33 asm{
34 mov RAX, a;
35 pfrcp MM0, [RAX];
36 mov RAX, c;
37 movq [RAX], MM0;
38 emms;
39 }
40 }else{
41 static assert(0, "unhandled pointer size");
16 } 42 }
43
17 c[0] -= 0.5f; 44 c[0] -= 0.5f;
18 if(c[0] < 0.0f){ 45 if(c[0] < 0.0f){
19 c[0] = -c[0]; 46 c[0] = -c[0];
20 } 47 }
21 if(c[0] > float.epsilon * (1 << 11)){ 48 if(c[0] > float.epsilon * (1 << 11)){
29 if(c[1] > float.epsilon * (1 << 11)){ 56 if(c[1] > float.epsilon * (1 << 11)){
30 assert(0); 57 assert(0);
31 } 58 }
32 59
33 return 0; 60 return 0;
34 }else{
35 pragma(msg, "no Inline asm support");
36 static assert(0);
37 } 61 }
62 }else{
63 pragma(msg, "DSTRESS{XFAIL}: no inline ASM support");
64 static assert(0);
38 } 65 }