#include "fpmodule.h"
#include "fpmodule.inl"
-#include <linux/config.h>
#include <linux/compiler.h>
#include <linux/string.h>
#include <asm/system.h>
-/* forward declarations */
-unsigned int EmulateCPDO(const unsigned int);
-unsigned int EmulateCPDT(const unsigned int);
-unsigned int EmulateCPRT(const unsigned int);
-
/* Reset the FPA11 chip. Called to initialize and reset the emulator. */
static void resetFPA11(void)
{
fpa11->fpsr = FP_EMULATOR | BIT_AC;
}
-void SetRoundingMode(const unsigned int opcode)
+int8 SetRoundingMode(const unsigned int opcode)
{
switch (opcode & MASK_ROUNDING_MODE) {
default:
case ROUND_TO_NEAREST:
- float_rounding_mode = float_round_nearest_even;
- break;
+ return float_round_nearest_even;
case ROUND_TO_PLUS_INFINITY:
- float_rounding_mode = float_round_up;
- break;
+ return float_round_up;
case ROUND_TO_MINUS_INFINITY:
- float_rounding_mode = float_round_down;
- break;
+ return float_round_down;
case ROUND_TO_ZERO:
- float_rounding_mode = float_round_to_zero;
- break;
+ return float_round_to_zero;
}
}
-void SetRoundingPrecision(const unsigned int opcode)
+int8 SetRoundingPrecision(const unsigned int opcode)
{
#ifdef CONFIG_FPE_NWFPE_XP
switch (opcode & MASK_ROUNDING_PRECISION) {
case ROUND_SINGLE:
- floatx80_rounding_precision = 32;
- break;
+ return 32;
case ROUND_DOUBLE:
- floatx80_rounding_precision = 64;
- break;
+ return 64;
case ROUND_EXTENDED:
- floatx80_rounding_precision = 80;
- break;
+ return 80;
default:
- floatx80_rounding_precision = 80;
+ return 80;
}
#endif
+ return 80;
}
void nwfpe_init_fpa(union fp_state *fp)
#endif
memset(fpa11, 0, sizeof(FPA11));
resetFPA11();
- SetRoundingMode(ROUND_TO_NEAREST);
- SetRoundingPrecision(ROUND_EXTENDED);
fpa11->initflag = 1;
}