Revision 20495218 target-arm/nwfpe/fpa11.c
| b/target-arm/nwfpe/fpa11.c | ||
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void SetRoundingMode(const unsigned int opcode) |
| 63 | 63 |
{
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#if MAINTAIN_FPCR
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int rounding_mode;
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FPA11 *fpa11 = GET_FPA11(); |
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#if MAINTAIN_FPCR |
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fpa11->fpcr &= ~MASK_ROUNDING_MODE; |
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#endif |
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switch (opcode & MASK_ROUNDING_MODE) |
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{
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default: |
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case ROUND_TO_NEAREST: |
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float_rounding_mode = float_round_nearest_even;
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rounding_mode = float_round_nearest_even; |
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#if MAINTAIN_FPCR |
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fpa11->fpcr |= ROUND_TO_NEAREST; |
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#endif |
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break; |
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case ROUND_TO_PLUS_INFINITY: |
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float_rounding_mode = float_round_up;
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rounding_mode = float_round_up; |
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#if MAINTAIN_FPCR |
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fpa11->fpcr |= ROUND_TO_PLUS_INFINITY; |
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#endif |
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break; |
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case ROUND_TO_MINUS_INFINITY: |
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float_rounding_mode = float_round_down;
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rounding_mode = float_round_down; |
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#if MAINTAIN_FPCR |
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fpa11->fpcr |= ROUND_TO_MINUS_INFINITY; |
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#endif |
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break; |
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case ROUND_TO_ZERO: |
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float_rounding_mode = float_round_to_zero;
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rounding_mode = float_round_to_zero; |
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#if MAINTAIN_FPCR |
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fpa11->fpcr |= ROUND_TO_ZERO; |
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#endif |
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break; |
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} |
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set_float_rounding_mode(rounding_mode, &fpa11->fp_status); |
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} |
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void SetRoundingPrecision(const unsigned int opcode) |
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{
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#if MAINTAIN_FPCR
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int rounding_precision;
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FPA11 *fpa11 = GET_FPA11(); |
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#if MAINTAIN_FPCR |
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fpa11->fpcr &= ~MASK_ROUNDING_PRECISION; |
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#endif |
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switch (opcode & MASK_ROUNDING_PRECISION) |
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{
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case ROUND_SINGLE: |
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floatx80_rounding_precision = 32;
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rounding_precision = 32; |
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#if MAINTAIN_FPCR |
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fpa11->fpcr |= ROUND_SINGLE; |
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#endif |
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break; |
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case ROUND_DOUBLE: |
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floatx80_rounding_precision = 64;
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rounding_precision = 64; |
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#if MAINTAIN_FPCR |
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fpa11->fpcr |= ROUND_DOUBLE; |
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#endif |
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break; |
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case ROUND_EXTENDED: |
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floatx80_rounding_precision = 80;
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rounding_precision = 80; |
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#if MAINTAIN_FPCR |
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fpa11->fpcr |= ROUND_EXTENDED; |
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#endif |
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break; |
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default: floatx80_rounding_precision = 80;
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default: rounding_precision = 80; |
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} |
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set_floatx80_rounding_precision(rounding_precision, &fpa11->fp_status); |
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} |
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/* Emulate the instruction in the opcode. */ |
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