diff options
Diffstat (limited to 'src/dynarec')
| -rw-r--r-- | src/dynarec/arm64/dynarec_arm64_66f30f.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/dynarec/arm64/dynarec_arm64_66f30f.c b/src/dynarec/arm64/dynarec_arm64_66f30f.c index 11a18eba..66e349df 100644 --- a/src/dynarec/arm64/dynarec_arm64_66f30f.c +++ b/src/dynarec/arm64/dynarec_arm64_66f30f.c @@ -56,6 +56,27 @@ uintptr_t dynarec64_66F30F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int switch(opcode) { + case 0xBD: + INST_NAME("LZCNT Gw, Ew"); + SETFLAGS(X_CF|X_ZF, SF_SUBSET); + SET_DFNONE(x1); + nextop = F8; + GETEW(x1, 0); + GETGW(x2); + IFX(X_CF) { + TSTxw_REG(ed, ed); + CSETw(x3, cEQ); + BFIw(xFlags, x3, F_CF, 1); // CF = is source 0? + } + LSLw_IMM(ed, ed, 16); + CLZw(gd, ed); + IFX(X_ZF) { + TSTxw_REG(gd, gd); + CSETw(x3, cEQ); + BFIw(xFlags, x3, F_ZF, 1); // ZF = is dest 0? + } + EWBACK; + break; default: DEFAULT; |