gem5  v21.2.0.0
fp_inst.hh
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28  * Authors: Kai Ren
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30 
31 #ifndef __ARCH_RISCV_FP_INST_HH__
32 #define __ARCH_RISCV_FP_INST_HH__
33 
34 #define RM_REQUIRED \
35  uint_fast8_t rm = ROUND_MODE; \
36  uint_fast8_t frm = xc->readMiscReg(MISCREG_FRM); \
37  if (rm == 7) \
38  rm = frm; \
39  if (rm > 4) \
40  return std::make_shared<IllegalInstFault>("RM fault", machInst);\
41  softfloat_roundingMode = rm; \
42 
43 #endif // __ARCH_RISCV_FP_INST_HH__

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