Mercurial > projects > ldc
view tests/mini/asm7.d @ 1113:123812e02bc8
Split out LLVM_REV into separate header, to reduce rebuilding when only the LDC
revision has changed.
author | Frits van Bommel <fvbommel wxs.nl> |
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date | Fri, 13 Mar 2009 16:18:43 +0100 |
parents | 12b423e17860 |
children |
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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; }