Mercurial > projects > ldc
view tests/mini/asm6.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 | 4c524d80e6e1 |
children |
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extern(C) int printf(char*, ...); version (D_InlineAsm_X86) version = InlineAsm_X86_Any; version (D_InlineAsm_X86_64) version = InlineAsm_X86_Any; void main() { int a,b,c; a = int.max-1; b = 5; version (InlineAsm_X86_Any) { asm { mov EAX, a; mov ECX, b; add EAX, ECX; jo Loverflow; mov c, EAX; } } printf("a == %d\n", a); printf("b == %d\n", b); printf("c == %d\n", c); assert(c == c); return; Loverflow: int y=0; //assert(0, "overflow"); }