diff options
Diffstat (limited to 'machine/fp_emulation.c')
| -rw-r--r-- | machine/fp_emulation.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/machine/fp_emulation.c b/machine/fp_emulation.c index 182567a..c83ef73 100644 --- a/machine/fp_emulation.c +++ b/machine/fp_emulation.c @@ -201,7 +201,7 @@ DECLARE_EMULATION_FUNC(emulate_fcvt_fi) { case 0: // int32 negative = (int32_t)uint_val < 0; - uint_val = negative ? -(int32_t)uint_val : (int32_t)uint_val; + uint_val = (uint32_t)(negative ? -uint_val : uint_val); break; case 1: // uint32 uint_val = (uint32_t)uint_val; @@ -331,6 +331,7 @@ DECLARE_EMULATION_FUNC(emulate_fcmp) } return truly_illegal_insn(regs, mcause, mepc, mstatus, insn); success: + SET_FS_DIRTY(); SET_RD(insn, regs, result); } @@ -343,7 +344,7 @@ DECLARE_EMULATION_FUNC(emulate_fmv_if) if (GET_PRECISION(insn) == PRECISION_S) { result = GET_F32_RS1(insn, regs); switch (GET_RM(insn)) { - case GET_RM(MATCH_FMV_X_S): break; + case GET_RM(MATCH_FMV_X_W): break; case GET_RM(MATCH_FCLASS_S): result = f32_classify(result); break; default: return truly_illegal_insn(regs, mcause, mepc, mstatus, insn); } @@ -358,6 +359,7 @@ DECLARE_EMULATION_FUNC(emulate_fmv_if) return truly_illegal_insn(regs, mcause, mepc, mstatus, insn); } + SET_FS_DIRTY(); SET_RD(insn, regs, result); } @@ -365,7 +367,7 @@ DECLARE_EMULATION_FUNC(emulate_fmv_fi) { uintptr_t rs1 = GET_RS1(insn, regs); - if ((insn & MASK_FMV_S_X) == MATCH_FMV_S_X) + if ((insn & MASK_FMV_W_X) == MATCH_FMV_W_X) SET_F32_RD(insn, regs, rs1); #if __riscv_xlen == 64 else if ((insn & MASK_FMV_D_X) == MATCH_FMV_D_X) |