[RV64_DYNAREC] Added more opcodes (#806)

* [RV64_DYNAREC] Added DC /6 FDIV opcode

* [RV64_DYNAREC] Added 66 0F 13 MOVLPD opcode

* [RV64_DYNAREC] Added 66 19 SBB opcode

* [RV64_DYNAREC] Added F0 29 LOCK SUB opcode

4 files changed, 53 insertions, 0 deletions

diff --git a/src/dynarec/rv64/dynarec_rv64_66.c b/src/dynarec/rv64/dynarec_rv64_66.c
index afa95515..36359a20 100644
--- a/src/dynarec/rv64/dynarec_rv64_66.c
+++ b/src/dynarec/rv64/dynarec_rv64_66.c
@@ -122,6 +122,16 @@ uintptr_t dynarec64_66(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int ni
         case 0x0F:
             addr = dynarec64_660F(dyn, addr, ip, ninst, rex, ok, need_epilog);
             break;
+        case 0x19:
+            INST_NAME("SBB Ew, Gw");
+            READFLAGS(X_CF);
+            SETFLAGS(X_ALL, SF_SET_PENDING);
+            nextop = F8;
+            GETGW(x2);
+            GETEW(x1, 0);
+            emit_sbb16(dyn, ninst, x1, x2, x4, x5, x6);
+            EWBACK;
+            break;
         case 0x1B:
             INST_NAME("SBB Gw, Ew");
             READFLAGS(X_CF);
diff --git a/src/dynarec/rv64/dynarec_rv64_660f.c b/src/dynarec/rv64/dynarec_rv64_660f.c
index c95449a4..b3e097eb 100644
--- a/src/dynarec/rv64/dynarec_rv64_660f.c
+++ b/src/dynarec/rv64/dynarec_rv64_660f.c
@@ -80,6 +80,20 @@ uintptr_t dynarec64_660F(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int
             LD(x3, wback, fixedaddress);
             SD(x3, gback, 0);
             break;
+        case 0x13:
+            INST_NAME("MOVLPD Eq, Gx");
+            nextop = F8;
+            GETGX(x1);
+            if(MODREG) {
+                // access register instead of memory is bad opcode!
+                DEFAULT;
+                return addr;
+            }
+            addr = geted(dyn, addr, ninst, nextop, &wback, x2, x3, &fixedaddress, rex, NULL, 1, 0);
+            LD(x3, gback, 0);
+            SD(x3, wback, fixedaddress);
+            SMWRITE2();
+            break;
         case 0x14:
             INST_NAME("UNPCKLPD Gx, Ex");
             nextop = F8;
diff --git a/src/dynarec/rv64/dynarec_rv64_dc.c b/src/dynarec/rv64/dynarec_rv64_dc.c
index 4facfe0e..750789da 100644
--- a/src/dynarec/rv64/dynarec_rv64_dc.c
+++ b/src/dynarec/rv64/dynarec_rv64_dc.c
@@ -104,6 +104,14 @@ uintptr_t dynarec64_DC(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int ni
 
                     x87_do_pop(dyn, ninst, x3);
                     break;
+                case 6:
+                    INST_NAME("FDIV ST0, double[ED]");
+                    v1 = x87_get_st(dyn, ninst, x1, x2, 0, EXT_CACHE_ST_D);
+                    v2 = fpu_get_scratch(dyn);
+                    addr = geted(dyn, addr, ninst, nextop, &wback, x2, x1, &fixedaddress, rex, NULL, 1, 0);
+                    FLD(v2, wback, fixedaddress);
+                    FDIVD(v1, v1, v2);
+                    break;
                 default:
                     DEFAULT;
             }
diff --git a/src/dynarec/rv64/dynarec_rv64_f0.c b/src/dynarec/rv64/dynarec_rv64_f0.c
index 9e184343..cafca95d 100644
--- a/src/dynarec/rv64/dynarec_rv64_f0.c
+++ b/src/dynarec/rv64/dynarec_rv64_f0.c
@@ -355,6 +355,27 @@ uintptr_t dynarec64_F0(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int ni
             }
             SMDMB();
             break;
+        case 0x29:
+            INST_NAME("LOCK SUB Ed, Gd");
+            SETFLAGS(X_ALL, SF_SET_PENDING);
+            nextop = F8;
+            GETGD;
+            SMDMB();
+            if(MODREG) {
+                ed = xRAX+(nextop&7)+(rex.b<<3);
+                emit_sub32(dyn, ninst, rex, ed, gd, x3, x4, x5);
+            } else {
+                addr = geted(dyn, addr, ninst, nextop, &wback, x2, x1, &fixedaddress, rex, LOCK_LOCK, 0, 0);
+                MARKLOCK;
+                LRxw(x1, wback, 1, 1);
+                SUB(x4, x1, gd);
+                SCxw(x3, x4, wback, 1, 1);
+                BNEZ_MARKLOCK(x3);
+                IFX(X_ALL|X_PEND)
+                    emit_sub32(dyn, ninst, rex, x1, gd, x3, x4, x5);
+            }
+            SMDMB();
+            break;
         case 0x81:
         case 0x83:
             nextop = F8;