Mercurial > projects > ldc
view tests/mini/callingconv1.d @ 978:6a32d2e18175
Fix a latent bug in the asm code.
I think that technically, using "*m0" instead of "*0" allows LLVM to pick
between using the same memory as output 0 and using a new memory location.
(So far I haven't been able to construct a testcase that actually breaks
because of this, though)
author | Frits van Bommel <fvbommel wxs.nl> |
---|---|
date | Wed, 18 Feb 2009 03:38:12 +0100 |
parents | 4ac97ec7c18e |
children | 12b423e17860 |
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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(LLVM_InlineAsm_X86) { asm { mov EAX, [a]; push EAX; mov EAX, [b]; push EAX; call foo; fstp c; } } else version(LLVM_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); }