Mercurial > projects > ldc
view tests/mini/asm10.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 | 97d80437cb80 |
children |
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module asm10; struct S { ushort first; ushort second; int unaccessed; } void main() { auto s = S(512, 42, -1); ushort x = 0; version(D_InlineAsm_X86) { asm { lea EAX, s; mov CX, S.second[EAX]; mov x, CX; mov S.first[EAX], 640; } } else version(D_InlineAsm_X86_64) { asm { lea RAX, s; mov CX, S.second[RAX]; mov x, CX; mov S.first[RAX], 640; } } assert(x == 42); assert(s.first == 640); assert(s.second == 42); assert(s.unaccessed == -1); }