diff options
Diffstat (limited to 'src/dynarec/la64/dynarec_la64_db.c')
| -rw-r--r-- | src/dynarec/la64/dynarec_la64_db.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/dynarec/la64/dynarec_la64_db.c b/src/dynarec/la64/dynarec_la64_db.c index 7b81af4a..5318d6c0 100644 --- a/src/dynarec/la64/dynarec_la64_db.c +++ b/src/dynarec/la64/dynarec_la64_db.c @@ -177,7 +177,25 @@ uintptr_t dynarec64_DB(dynarec_la64_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, LSX_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)) { + MOVGR2FCSR(FCSR2, xZR); // reset all bits + } + FTINT_W_D(v2, v1); + if (!BOX64ENV(dynarec_fastround)) { + MOVFCSR2GR(x5, FCSR2); // get back FPSR to check + BSTRPICK_D(x5, x5, FR_V, FR_V); + BEQZ_MARK(x5); + MOV32w(x4, 0x80000000); + MOVGR2FR_W(v2, x4); + MARK; + } + FST_S(v2, wback, fixedaddress); + x87_restoreround(dyn, ninst, u8); + break; break; case 3: INST_NAME("FISTP Ed, ST0"); |