Mercurial > projects > ldc
view tests/mini/asm1_1.d @ 978:6a32d2e18175
Fix a latent bug in the asm code.
I think that technically, using "*m0" instead of "*0" allows LLVM to pick
between using the same memory as output 0 and using a new memory location.
(So far I haven't been able to construct a testcase that actually breaks
because of this, though)
author | Frits van Bommel <fvbommel wxs.nl> |
---|---|
date | Wed, 18 Feb 2009 03:38:12 +0100 |
parents | 4ac97ec7c18e |
children | 12b423e17860 |
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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 (LLVM_InlineAsm_X86) { asm { mov EBX, ip; mov EAX, [EBX]; add EAX, 8; mul EAX, EAX; mov [EBX], EAX; } } else version (LLVM_InlineAsm_X86_64) { asm { movq RCX, ip; movq RAX, [RCX]; add RAX, 8; imul RAX, RAX; movq [RCX], RAX; } } printf("%d\n", i); assert(i == 400); return 0; }