Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#include <linux/config.h>
#include "fpa11.h"
#include "fpopcode.h"
-unsigned int SingleCPDO(const unsigned int opcode, FPREG * rFd);
-unsigned int DoubleCPDO(const unsigned int opcode, FPREG * rFd);
-unsigned int ExtendedCPDO(const unsigned int opcode, FPREG * rFd);
+unsigned int SingleCPDO(struct roundingData *roundData, const unsigned int opcode, FPREG * rFd);
+unsigned int DoubleCPDO(struct roundingData *roundData, const unsigned int opcode, FPREG * rFd);
+unsigned int ExtendedCPDO(struct roundingData *roundData, const unsigned int opcode, FPREG * rFd);
unsigned int EmulateCPDO(const unsigned int opcode)
{
FPA11 *fpa11 = GET_FPA11();
FPREG *rFd;
unsigned int nType, nDest, nRc;
+ struct roundingData roundData;
/* Get the destination size. If not valid let Linux perform
an invalid instruction trap. */
if (typeNone == nDest)
return 0;
- SetRoundingMode(opcode);
+ roundData.mode = SetRoundingMode(opcode);
+ roundData.precision = SetRoundingPrecision(opcode);
+ roundData.exception = 0;
/* Compare the size of the operands in Fn and Fm.
Choose the largest size and perform operations in that size,
switch (nType) {
case typeSingle:
- nRc = SingleCPDO(opcode, rFd);
+ nRc = SingleCPDO(&roundData, opcode, rFd);
break;
case typeDouble:
- nRc = DoubleCPDO(opcode, rFd);
+ nRc = DoubleCPDO(&roundData, opcode, rFd);
break;
#ifdef CONFIG_FPE_NWFPE_XP
case typeExtended:
- nRc = ExtendedCPDO(opcode, rFd);
+ nRc = ExtendedCPDO(&roundData, opcode, rFd);
break;
#endif
default:
case typeSingle:
{
if (typeDouble == nType)
- rFd->fSingle = float64_to_float32(rFd->fDouble);
+ rFd->fSingle = float64_to_float32(&roundData, rFd->fDouble);
else
- rFd->fSingle = floatx80_to_float32(rFd->fExtended);
+ rFd->fSingle = floatx80_to_float32(&roundData, rFd->fExtended);
}
break;
if (typeSingle == nType)
rFd->fDouble = float32_to_float64(rFd->fSingle);
else
- rFd->fDouble = floatx80_to_float64(rFd->fExtended);
+ rFd->fDouble = floatx80_to_float64(&roundData, rFd->fExtended);
}
break;
#else
if (nDest != nType) {
if (nDest == typeSingle)
- rFd->fSingle = float64_to_float32(rFd->fDouble);
+ rFd->fSingle = float64_to_float32(&roundData, rFd->fDouble);
else
rFd->fDouble = float32_to_float64(rFd->fSingle);
}
#endif
}
+ if (roundData.exception)
+ float_raise(roundData.exception);
+
return nRc;
}