Mercurial > projects > ldc
view tests/mini/naked_asm6.d @ 1166:c6f39553b702
Clean up some suspicious code.
There's no guarantee a constant of integer type is a ConstantInt, so it's not
safe to just cast<> these to ConstantInt. (It could be a constant expression,
for example)
The code is shorter this way too :).
author | Frits van Bommel <fvbommel wxs.nl> |
---|---|
date | Sun, 29 Mar 2009 03:27:04 +0200 |
parents | 855889b7b268 |
children |
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extern(C) int printf(char*, ...); ulong retval() { version (X86) asm { naked; mov EAX, 0xff; mov EDX, 0xaa; ret; } else version (X86_64) asm { naked; mov RAX, 0xaa000000ff; ret; } } ulong retval2() { return (cast(ulong)0xaa << 32) | 0xff; } void main() { auto a = retval(); auto b = retval2(); printf("%llu\n%llu\n", retval(), retval2()); assert(a == 0xaa000000ff); assert(a == b); }