Mercurial > projects > dstress
view run/a/asm_f2xm1_01.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> |
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date | Sat, 23 Apr 2011 22:57:32 +0200 |
parents | 03c97933de98 |
children |
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// $HeadURL$ // $Date$ // $Author$ module dstress.run.a.asm_f2xm1_01; version(D_InlineAsm_X86){ version = runTest; }else version(D_InlineAsm_X86_64){ version = runTest; } version(runTest){ import addon.cpuinfo; int main(){ haveFPU!()(); float f = -1.0f; asm{ fld f; f2xm1; fst f; } if(f >= 0.0f){ assert(0); } f += 0.5f; f = (f > 0.0f) ? f : -f; if(f > f.epsilon * 4.0f){ assert(0); } f = 1.0f; asm{ fld f; f2xm1; fst f; } if(f < 0.0f){ assert(0); } f -= 1.0f; f = (f > 0.0f) ? f : -f; if(f > f.epsilon * 4.0f){ assert(0); } return 0; } }else{ pragma(msg, "DSTRESS{XFAIL}: no inline ASM support"); static assert(0); }