Mercurial > projects > ldc
view tests/mini/naked_asm5.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 | 1b10a9c6e3e8 |
children | a400b1dd657f |
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int foo(int op)(int a, int b) { version(X86) { const OP = (op == '+') ? "add" : "sub"; asm { naked; } mixin("asm{"~OP~" EAX, [ESP+4];}"); asm { ret 4; } } else version(X86_64) { const OP = (op == '+') ? "add" : "sub"; asm { naked; } mixin("asm{"~OP~" ESI,EDI; mov EAX, ESI;}"); asm { ret; } } else static assert(0, "todo"); } void main() { int i = foo!('+')(2, 4); assert(i == 6); i = foo!('-')(2, 4); assert(i == 2); }