Mercurial > projects > ldc
view tests/mini/callingconv1.d @ 1210:3d4581761b4c
Add some alignment info where LLVM might otherwise be more pessimistic.
In particular, %.nest_arg is always aligned even though it's bitcast from i8*.
Pointers in vtables are also guaranteed to be stored at aligned addresses.
author | Frits van Bommel <fvbommel wxs.nl> |
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date | Sun, 12 Apr 2009 21:56:43 +0200 |
parents | 12b423e17860 |
children | a400b1dd657f |
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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) { 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); }