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view run/mini/callingconv1.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 | c6ef09dfba4d |
children |
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module mini.callingconv1; extern(C) int printf(char*, ...); float foo(float a, float b) { return a + b; } void main() { float a = 1.5; float b = 2.5; float c; version(D_InlineAsm_X86) { version(Windows) { asm { movss XMM0, [a]; movss XMM1, [b]; movss [ESP], XMM1; movss [ESP]+4, XMM0; call foo; fstp [c]-4; movss XMM0, [c]-4; movss [c], XMM0; } } else { asm { mov EAX, [a]; push EAX; mov EAX, [b]; push EAX; call foo; fstp c; } } } else version(D_InlineAsm_X86_64) { asm { movss XMM0, [a]; movss XMM1, [b]; call foo; movss [c], XMM0; } } printf("%f\n", c); assert(c == 4.0); printf("passed %f\n", c); }