Mercurial > projects > ldc
view runtime/internal/ldc/vararg.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> |
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date | Wed, 18 Feb 2009 03:38:12 +0100 |
parents | d8a1481eaa0c |
children |
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/* * This module holds the implementation of special vararg templates for D style var args. * * Provides the functions tango.core.Vararg expects to be present! */ module ldc.Vararg; // Check for the right compiler version(LDC) { // OK } else { static assert(false, "This module is only valid for LDC"); } alias void* va_list; void va_start(T) ( out va_list ap, inout T parmn ) { // not needed ! } T va_arg(T)(ref va_list vp) { T* arg = cast(T*) vp; // ldc always aligns to size_t.sizeof in vararg lists vp = cast(va_list) ( cast(void*) vp + ( ( T.sizeof + size_t.sizeof - 1 ) & ~( size_t.sizeof - 1 ) ) ); return *arg; } void va_end( va_list ap ) { // not needed ! } void va_copy( out va_list dst, va_list src ) { // seems pretty useless ! dst = src; }