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[MIPS] Avoid unaligned load/store for 64-bit doubles. 

Change-Id: Iefdcac8742f23fef31f63730b48698fc4205c3ad
Signed-off-by: Douglas Leung <douglas@mips.com>
This commit is contained in:
Douglas Leung 2013-01-11 15:00:55 -08:00
parent 845ed8fdaa
commit cc1a4bb1e1
1 changed files with 44 additions and 1 deletions
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45
libs/binder/Parcel.cpp
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@ -627,11 +627,27 @@ status_t Parcel::writeFloat(float val)
return writeAligned(val);
}
#if defined(__mips__) && defined(__mips_hard_float)
status_t Parcel::writeDouble(double val)
{
union {
double d;
unsigned long long ll;
} u;
u.d = val;
return writeAligned(u.ll);
}
#else
status_t Parcel::writeDouble(double val)
{
return writeAligned(val);
}
#endif
status_t Parcel::writeIntPtr(intptr_t val)
{
return writeAligned(val);
@ -962,17 +978,44 @@ float Parcel::readFloat() const
return readAligned<float>();
}
#if defined(__mips__) && defined(__mips_hard_float)
status_t Parcel::readDouble(double *pArg) const
{
union {
double d;
unsigned long long ll;
} u;
status_t status;
status = readAligned(&u.ll);
*pArg = u.d;
return status;
}
double Parcel::readDouble() const
{
union {
double d;
unsigned long long ll;
} u;
u.ll = readAligned<unsigned long long>();
return u.d;
}
#else
status_t Parcel::readDouble(double *pArg) const
{
return readAligned(pArg);
}
double Parcel::readDouble() const
{
return readAligned<double>();
}
#endif
status_t Parcel::readIntPtr(intptr_t *pArg) const
{
return readAligned(pArg);