diff options
| -rw-r--r-- | src/arch/arm/insts/pred_inst.hh | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/arch/arm/insts/pred_inst.hh b/src/arch/arm/insts/pred_inst.hh index 76d1029e8..b5095dcef 100644 --- a/src/arch/arm/insts/pred_inst.hh +++ b/src/arch/arm/insts/pred_inst.hh @@ -144,6 +144,25 @@ simd_modified_imm(bool op, uint8_t cmode, uint8_t data) return bigData; } +static inline uint64_t +vfp_modified_imm(uint8_t data, bool wide) +{ + uint64_t bigData = data; + uint64_t repData; + if (wide) { + repData = bits(data, 6) ? 0xFF : 0; + bigData = (bits(bigData, 5, 0) << 48) | + (repData << 54) | (bits(~bigData, 6) << 62) | + (bits(bigData, 7) << 63); + } else { + repData = bits(data, 6) ? 0x1F : 0; + bigData = (bits(bigData, 5, 0) << 19) | + (repData << 25) | (bits(~bigData, 6) << 30) | + (bits(bigData, 7) << 31); + } + return bigData; +} + /** * Base class for predicated integer operations. |