Commit 581a6a7c authored by Ben.Lippmeier@anu.edu.au's avatar Ben.Lippmeier@anu.edu.au
Browse files

SPARC NCG: Also do misaligned reads

parent 485ab9c9
......@@ -292,6 +292,12 @@ rts_getInt32 (HaskellObj p)
return (HsInt32)(HsInt)(UNTAG_CLOSURE(p)->payload[0]);
}
#ifdef sparc_HOST_ARCH
/* The closures returned by allocateLocal are only guaranteed to be 32 bit
aligned, because that's the size of pointers. SPARC v9 can't do
misaligned loads/stores, so we have to read the 64bit word in chunks */
HsInt64
rts_getInt64 (HaskellObj p)
{
......@@ -302,6 +308,25 @@ rts_getInt64 (HaskellObj p)
tmp = (HsInt64*)&(UNTAG_CLOSURE(p)->payload[0]);
return *tmp;
}
#else
HsInt64
rts_getInt64 (HaskellObj p)
{
HsInt32* tmp;
// See comment above:
// ASSERT(p->header.info == I64zh_con_info ||
// p->header.info == I64zh_static_info);
tmp = (HsInt32*)&(UNTAG_CLOSURE(p)->payload[0]);
HsInt64 i = (HsInt64)(tmp[0] << 32) | (HsInt64)tmp[1];
return i
}
#endif /* sparc_HOST_ARCH */
HsWord
rts_getWord (HaskellObj p)
{
......
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