diff options
Diffstat (limited to 'src/dynarec/rv64/dynarec_rv64_db.c')
| -rw-r--r-- | src/dynarec/rv64/dynarec_rv64_db.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/dynarec/rv64/dynarec_rv64_db.c b/src/dynarec/rv64/dynarec_rv64_db.c index c07e35a5..d31ddc11 100644 --- a/src/dynarec/rv64/dynarec_rv64_db.c +++ b/src/dynarec/rv64/dynarec_rv64_db.c @@ -170,7 +170,23 @@ uintptr_t dynarec64_DB(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int ni break; case 2: INST_NAME("FIST Ed, ST0"); - DEFAULT; + v1 = x87_get_st(dyn, ninst, x1, x2, 0, EXT_CACHE_ST_D); + u8 = x87_setround(dyn, ninst, x1, x5); + addr = geted(dyn, addr, ninst, nextop, &wback, x2, x3, &fixedaddress, rex, NULL, 1, 0); + v2 = fpu_get_scratch(dyn); + if (!BOX64ENV(dynarec_fastround)) { + FSFLAGSI(0); // reset all bits + } + FCVTWD(x4, v1, RD_DYN); + if (!BOX64ENV(dynarec_fastround)) { + FRFLAGS(x5); // get back FPSR to check the IOC bit + ANDI(x5, x5, 1 << FR_NV); + BEQ_MARK2(x5, xZR); + MOV32w(x4, 0x80000000); + } + MARK2; + SW(x4, wback, fixedaddress); + x87_restoreround(dyn, ninst, u8); break; case 3: INST_NAME("FISTP Ed, ST0"); |