Mercurial > projects > dstress
view run/mini/asm7.d @ 1630:d0efa3ae5522 default tip
run/mini/naked_asm5: New x86_64 ABI passes the arguments in reverse order.
author | David Nadlinger <code@klickverbot.at> |
---|---|
date | Sat, 23 Apr 2011 22:57:32 +0200 |
parents | c6ef09dfba4d |
children |
line wrap: on
line source
module tangotests.asm7; // test massive label collisions (runtime uses Loverflow too) extern(C) int printf(char*, ...); void main() { int a = add(1,2); int s = sub(1,2); assert(a == 3); assert(s == -1); } int add(int a, int b) { int res; version (D_InlineAsm_X86) { asm { mov EAX, a; add EAX, b; jo Loverflow; mov res, EAX; } } else version (D_InlineAsm_X86_64) { asm { mov EAX, a; add EAX, b; jo Loverflow; mov res, EAX; } } printf("%d\n",res); return res; Loverflow: assert(0, "add overflow"); } int sub(int a, int b) { int res; version (D_InlineAsm_X86) { asm { mov EAX, a; sub EAX, b; jo Loverflow; mov res, EAX; } } else version (D_InlineAsm_X86_64) { asm { mov EAX, a; sub EAX, b; jo Loverflow; mov res, EAX; } } printf("%d\n",res); return res; Loverflow: assert(0, "sub overflow"); int x; }