Mercurial > projects > ldc
view tests/mini/asm1_1.d @ 1215:08f87d8cd101
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 |
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module tangotests.asm1_1; extern(C) int printf(char*, ...); int main() { int i = 12; int* ip = &i; printf("%d\n", i); version (D_InlineAsm_X86) { asm { mov ECX, ip; mov EAX, [ECX]; add EAX, 8; mul EAX, EAX; mov [ECX], EAX; } } else version (D_InlineAsm_X86_64) { asm { movq RCX, ip; mov EAX, [RCX]; add EAX, 8; imul EAX, EAX; mov [RCX], EAX; } } printf("%d\n", i); assert(i == 400); return 0; }