[DYNAREC] Added F2 0F 5E opcode

3 files changed, 33 insertions, 0 deletions

diff --git a/src/dynarec/arm64_emitter.h b/src/dynarec/arm64_emitter.h
index 394a9042..c3c58612 100755
--- a/src/dynarec/arm64_emitter.h
+++ b/src/dynarec/arm64_emitter.h
@@ -624,4 +624,14 @@
 #define FMULS(Sd, Sn, Sm)           EMIT(FMUL_scalar(0b00, Sm, Sn, Sd))
 #define FMULD(Dd, Dn, Dm)           EMIT(FMUL_scalar(0b01, Dm, Dn, Dd))
 
+// DIV
+#define FDIV_vector(Q, sz, Rm, Rn, Rd)  ((Q)<<30 | 1<<29 | 0b01110<<24 | (sz)<<22 | 1<<21 | (Rm)<<16 | 0b11111<<11 | 1<<10 | (Rn)<<5 | (Rd))
+#define VFDIVS(Sd, Sn, Sm)          EMIT(FDIV_vector(0, 0, Sm, Sn, Sd))
+#define VFDIVQS(Sd, Sn, Sm)         EMIT(FDIV_vector(1, 0, Sm, Sn, Sd))
+#define VFDIVQD(Sd, Sn, Sm)         EMIT(FDIV_vector(1, 1, Sm, Sn, Sd))
+
+#define FDIV_scalar(type, Rm, Rn, Rd)   (0b11110<<24 | (type)<<22 | 1<<21 | (Rm)<<16 | 0b0001<<12 | 0b10<<10 | (Rn)<<5 | Rd)
+#define FDIVS(Sd, Sn, Sm)           EMIT(FDIV_scalar(0b00, Sm, Sn, Sd))
+#define FDIVD(Dd, Dn, Dm)           EMIT(FDIV_scalar(0b01, Dm, Dn, Dd))
+
 #endif  //__ARM64_EMITTER_H__
diff --git a/src/dynarec/arm64_printer.c b/src/dynarec/arm64_printer.c
index 4f161ba0..57dca1a5 100755
--- a/src/dynarec/arm64_printer.c
+++ b/src/dynarec/arm64_printer.c
@@ -828,6 +828,20 @@ const char* arm64_print(uint32_t opcode, uintptr_t addr)
         return buff;

     }

 

+    // FDIV

+    if(isMask(opcode, "0Q1011100f1mmmmm111111nnnnnddddd", &a)) {

+        char s = a.Q?'V':'D';

+        char d = sf?'D':'S';

+        int n = (a.Q && !sf)?4:2;

+        snprintf(buff, sizeof(buff), "VFDIV %c%d.%d%c, %c%d.%d%c, %c%d.%c%d", s, Rd, n, d, s, Rn, n, d, s, Rm, s, d);

+        return buff;

+    }

+    if(isMask(opcode, "00011110ff1mmmmm000110nnnnnddddd", &a)) {

+        char s = (sf==0)?'S':((sf==1)?'D':'?');

+        snprintf(buff, sizeof(buff), "FDIV %c%d, %c%d, %c%d", s, Rd, s, Rn, s, Rm);

+        return buff;

+    }

+

     snprintf(buff, sizeof(buff), "%08X ???", __builtin_bswap32(opcode));

     return buff;

 }
\ No newline at end of file
diff --git a/src/dynarec/dynarec_arm64_f20f.c b/src/dynarec/dynarec_arm64_f20f.c
index b2503708..cea7c519 100755
--- a/src/dynarec/dynarec_arm64_f20f.c
+++ b/src/dynarec/dynarec_arm64_f20f.c
@@ -123,6 +123,15 @@ uintptr_t dynarec64_F20F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int n
             FSUBD(v0, v0, d0);

             break;

 

+        case 0x5E:

+            INST_NAME("DIVSD Gx, Ex");

+            nextop = F8;

+            GETGX;

+            v0 = sse_get_reg(dyn, ninst, x1, gd);

+            GETEX(d0, 0);

+            FDIVD(v0, v0, d0);

+            break;

+

         default:

             DEFAULT;

     }