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comparison tests/mini/asm1_1.d @ 1215:08f87d8cd101

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Fix some unittests for 64-bit asm. They were operating on int variables as if they were longs. This was causing asm1_1 to fail when compiled with -O3 because it was overwriting the spilled value of callee-saved register %rbx, which the runtime was using as a pointer value at the time.
author Frits van Bommel <fvbommel wxs.nl>
date Mon, 13 Apr 2009 17:42:36 +0200
parents 12b423e17860
children
comparison
equal deleted inserted replaced
1214:7e5547d8e59f 1215:08f87d8cd101
7 int i = 12; 7 int i = 12;
8 int* ip = &i; 8 int* ip = &i;
9 printf("%d\n", i); 9 printf("%d\n", i);
10 version (D_InlineAsm_X86) 10 version (D_InlineAsm_X86)
11 { 11 {
12 asm 12 asm
13 { 13 {
14 mov EBX, ip; 14 mov ECX, ip;
15 mov EAX, [EBX]; 15 mov EAX, [ECX];
16 add EAX, 8; 16 add EAX, 8;
17 mul EAX, EAX; 17 mul EAX, EAX;
18 mov [EBX], EAX; 18 mov [ECX], EAX;
19 } 19 }
20 } 20 }
21 else version (D_InlineAsm_X86_64) 21 else version (D_InlineAsm_X86_64)
22 { 22 {
23 asm 23 asm
24 { 24 {
25 movq RCX, ip; 25 movq RCX, ip;
26 movq RAX, [RCX]; 26 mov EAX, [RCX];
27 add RAX, 8; 27 add EAX, 8;
28 imul RAX, RAX; 28 imul EAX, EAX;
29 movq [RCX], RAX; 29 mov [RCX], EAX;
30 } 30 }
31 } 31 }
32 printf("%d\n", i); 32 printf("%d\n", i);
33 assert(i == 400); 33 assert(i == 400);
34 return 0; 34 return 0;
35 } 35 }