Added 66 0F F2 38 F1 opcode, and fixed all 66 0F F2/F3 xx opcodes (should help #1013)

17 files changed, 473 insertions, 10 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7fb7f1ff..95cfbfef 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -343,6 +343,8 @@ set(INTERPRETER
     "${BOX64_ROOT}/src/emu/x64run64.c"
     "${BOX64_ROOT}/src/emu/x64run66.c"
     "${BOX64_ROOT}/src/emu/x64run660f.c"
+    "${BOX64_ROOT}/src/emu/x64run66f20f.c"
+    "${BOX64_ROOT}/src/emu/x64run66f30f.c"
     "${BOX64_ROOT}/src/emu/x64run6664.c"
     "${BOX64_ROOT}/src/emu/x64run66d9.c"
     "${BOX64_ROOT}/src/emu/x64run66dd.c"
@@ -669,6 +671,8 @@ if(ARM_DYNAREC)
     "${BOX64_ROOT}/src/dynarec/arm64/dynarec_arm64_df.c"
     "${BOX64_ROOT}/src/dynarec/arm64/dynarec_arm64_f0.c"
     "${BOX64_ROOT}/src/dynarec/arm64/dynarec_arm64_660f.c"
+    "${BOX64_ROOT}/src/dynarec/arm64/dynarec_arm64_66f20f.c"
+    "${BOX64_ROOT}/src/dynarec/arm64/dynarec_arm64_66f30f.c"
     "${BOX64_ROOT}/src/dynarec/arm64/dynarec_arm64_6664.c"
     "${BOX64_ROOT}/src/dynarec/arm64/dynarec_arm64_66f0.c"
     "${BOX64_ROOT}/src/dynarec/arm64/dynarec_arm64_f20f.c"
@@ -717,6 +721,8 @@ if(RV64_DYNAREC)
     "${BOX64_ROOT}/src/dynarec/rv64/dynarec_rv64_df.c"
     "${BOX64_ROOT}/src/dynarec/rv64/dynarec_rv64_f0.c"
     "${BOX64_ROOT}/src/dynarec/rv64/dynarec_rv64_660f.c"
+    "${BOX64_ROOT}/src/dynarec/rv64/dynarec_rv64_66f20f.c"
+    "${BOX64_ROOT}/src/dynarec/rv64/dynarec_rv64_66f30f.c"
     "${BOX64_ROOT}/src/dynarec/rv64/dynarec_rv64_6664.c"
     "${BOX64_ROOT}/src/dynarec/rv64/dynarec_rv64_66f0.c"
     "${BOX64_ROOT}/src/dynarec/rv64/dynarec_rv64_f20f.c"
diff --git a/src/dynarec/arm64/dynarec_arm64_66.c b/src/dynarec/arm64/dynarec_arm64_66.c
index 6c0985aa..bd5eeb58 100644
--- a/src/dynarec/arm64/dynarec_arm64_66.c
+++ b/src/dynarec/arm64/dynarec_arm64_66.c
@@ -132,7 +132,11 @@ uintptr_t dynarec64_66(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin
             break;

 

         case 0x0F:

-            addr = dynarec64_660F(dyn, addr, ip, ninst, rex, rep, ok, need_epilog);

+            switch(rep) {

+                case 0: addr = dynarec64_660F(dyn, addr, ip, ninst, rex, ok, need_epilog); break;

+                case 1: addr = dynarec64_66F20F(dyn, addr, ip, ninst, rex, ok, need_epilog); break;

+                case 2: addr = dynarec64_66F30F(dyn, addr, ip, ninst, rex, ok, need_epilog); break;

+            }

             break;

         case 0x11:

             INST_NAME("ADC Ew, Gw");

diff --git a/src/dynarec/arm64/dynarec_arm64_660f.c b/src/dynarec/arm64/dynarec_arm64_660f.c
index 224ea138..f5e689e1 100644
--- a/src/dynarec/arm64/dynarec_arm64_660f.c
+++ b/src/dynarec/arm64/dynarec_arm64_660f.c
@@ -22,9 +22,9 @@
 #include "dynarec_arm64_helper.h"

 #include "emu/x64compstrings.h"

 

-uintptr_t dynarec64_660F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int rep, int* ok, int* need_epilog)

+uintptr_t dynarec64_660F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int* ok, int* need_epilog)

 {

-    (void)ip; (void)rep; (void)need_epilog;

+    (void)ip; (void)need_epilog;

 

     uint8_t opcode = F8;

     uint8_t nextop, u8;

diff --git a/src/dynarec/arm64/dynarec_arm64_66f20f.c b/src/dynarec/arm64/dynarec_arm64_66f20f.c
new file mode 100644
index 00000000..3039c944
--- /dev/null
+++ b/src/dynarec/arm64/dynarec_arm64_66f20f.c
@@ -0,0 +1,64 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <errno.h>
+
+#include "debug.h"
+#include "box64context.h"
+#include "dynarec.h"
+#include "emu/x64emu_private.h"
+#include "emu/x64run_private.h"
+#include "x64run.h"
+#include "x64emu.h"
+#include "box64stack.h"
+#include "callback.h"
+#include "emu/x64run_private.h"
+#include "x64trace.h"
+#include "dynarec_native.h"
+
+#include "arm64_printer.h"
+#include "dynarec_arm64_private.h"
+#include "dynarec_arm64_functions.h"
+#include "dynarec_arm64_helper.h"
+#include "emu/x64compstrings.h"
+
+uintptr_t dynarec64_66F20F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int* ok, int* need_epilog)
+{
+    (void)ip; (void)need_epilog;
+
+    uint8_t opcode = F8;
+    uint8_t nextop, u8;
+    int32_t i32;
+    uint8_t gd, ed;
+    uint8_t wback, wb1, wb2;
+    uint8_t eb1, eb2;
+    int64_t j64;
+    uint64_t tmp64u, tmp64u2;
+    int v0, v1;
+    int q0, q1;
+    int d0, d1;
+    int64_t fixedaddress;
+    int unscaled;
+
+    MAYUSE(d0);
+    MAYUSE(d1);
+    MAYUSE(q0);
+    MAYUSE(q1);
+    MAYUSE(eb1);
+    MAYUSE(eb2);
+    MAYUSE(j64);
+    #if STEP > 1
+    static const int8_t mask_shift8[] = { -7, -6, -5, -4, -3, -2, -1, 0 };
+    static const int8_t mask_string8[] = { 7, 6, 5, 4, 3, 2, 1, 0 };
+    static const int8_t mask_string16[] = { 15, 14, 13, 12, 11, 10, 9, 8 };
+    static const int8_t round_round[] = { 0, 2, 1, 3};
+    #endif
+
+    switch(opcode) {
+
+
+        default:
+            DEFAULT;
+    }
+    return addr;
+}
diff --git a/src/dynarec/arm64/dynarec_arm64_66f30f.c b/src/dynarec/arm64/dynarec_arm64_66f30f.c
new file mode 100644
index 00000000..11a18eba
--- /dev/null
+++ b/src/dynarec/arm64/dynarec_arm64_66f30f.c
@@ -0,0 +1,64 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <errno.h>
+
+#include "debug.h"
+#include "box64context.h"
+#include "dynarec.h"
+#include "emu/x64emu_private.h"
+#include "emu/x64run_private.h"
+#include "x64run.h"
+#include "x64emu.h"
+#include "box64stack.h"
+#include "callback.h"
+#include "emu/x64run_private.h"
+#include "x64trace.h"
+#include "dynarec_native.h"
+
+#include "arm64_printer.h"
+#include "dynarec_arm64_private.h"
+#include "dynarec_arm64_functions.h"
+#include "dynarec_arm64_helper.h"
+#include "emu/x64compstrings.h"
+
+uintptr_t dynarec64_66F30F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int* ok, int* need_epilog)
+{
+    (void)ip; (void)need_epilog;
+
+    uint8_t opcode = F8;
+    uint8_t nextop, u8;
+    int32_t i32;
+    uint8_t gd, ed;
+    uint8_t wback, wb1, wb2;
+    uint8_t eb1, eb2;
+    int64_t j64;
+    uint64_t tmp64u, tmp64u2;
+    int v0, v1;
+    int q0, q1;
+    int d0, d1;
+    int64_t fixedaddress;
+    int unscaled;
+
+    MAYUSE(d0);
+    MAYUSE(d1);
+    MAYUSE(q0);
+    MAYUSE(q1);
+    MAYUSE(eb1);
+    MAYUSE(eb2);
+    MAYUSE(j64);
+    #if STEP > 1
+    static const int8_t mask_shift8[] = { -7, -6, -5, -4, -3, -2, -1, 0 };
+    static const int8_t mask_string8[] = { 7, 6, 5, 4, 3, 2, 1, 0 };
+    static const int8_t mask_string16[] = { 15, 14, 13, 12, 11, 10, 9, 8 };
+    static const int8_t round_round[] = { 0, 2, 1, 3};
+    #endif
+
+    switch(opcode) {
+
+
+        default:
+            DEFAULT;
+    }
+    return addr;
+}
diff --git a/src/dynarec/arm64/dynarec_arm64_helper.h b/src/dynarec/arm64/dynarec_arm64_helper.h
index 298f106a..cdf69a72 100644
--- a/src/dynarec/arm64/dynarec_arm64_helper.h
+++ b/src/dynarec/arm64/dynarec_arm64_helper.h
@@ -930,6 +930,8 @@ void* arm64_next(x64emu_t* emu, uintptr_t addr);
 #define dynarec64_DF       STEPNAME(dynarec64_DF)
 #define dynarec64_F0       STEPNAME(dynarec64_F0)
 #define dynarec64_660F     STEPNAME(dynarec64_660F)
+#define dynarec64_66F20F   STEPNAME(dynarec64_66F20F)
+#define dynarec64_66F30F   STEPNAME(dynarec64_66F30F)
 #define dynarec64_6664     STEPNAME(dynarec64_6664)
 #define dynarec64_66F0     STEPNAME(dynarec64_66F0)
 #define dynarec64_F20F     STEPNAME(dynarec64_F20F)
@@ -1270,7 +1272,9 @@ uintptr_t dynarec64_DD(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin
 uintptr_t dynarec64_DE(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int rep, int* ok, int* need_epilog);
 uintptr_t dynarec64_DF(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int rep, int* ok, int* need_epilog);
 uintptr_t dynarec64_F0(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int rep, int* ok, int* need_epilog);
-uintptr_t dynarec64_660F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int rep, int* ok, int* need_epilog);
+uintptr_t dynarec64_66F20F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int* ok, int* need_epilog);
+uintptr_t dynarec64_66F30F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int* ok, int* need_epilog);
+uintptr_t dynarec64_660F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int* ok, int* need_epilog);
 uintptr_t dynarec64_6664(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int seg, int* ok, int* need_epilog);
 uintptr_t dynarec64_66F0(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int rep, int* ok, int* need_epilog);
 uintptr_t dynarec64_F20F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int* ok, int* need_epilog);
diff --git a/src/dynarec/rv64/dynarec_rv64_66.c b/src/dynarec/rv64/dynarec_rv64_66.c
index 3e11d45f..36bf1257 100644
--- a/src/dynarec/rv64/dynarec_rv64_66.c
+++ b/src/dynarec/rv64/dynarec_rv64_66.c
@@ -115,7 +115,11 @@ uintptr_t dynarec64_66(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int ni
             OR(xRAX, xRAX, x1);
             break;
         case 0x0F:
-            addr = dynarec64_660F(dyn, addr, ip, ninst, rex, ok, need_epilog);
+            switch(rep) {
+                case 0: addr = dynarec64_660F(dyn, addr, ip, ninst, rex, ok, need_epilog); break;
+                case 1: addr = dynarec64_66F20F(dyn, addr, ip, ninst, rex, ok, need_epilog); break;
+                case 2: addr = dynarec64_66F30F(dyn, addr, ip, ninst, rex, ok, need_epilog); break;
+            }
             break;
         case 0x11:
             INST_NAME("ADC Ew, Gw");
diff --git a/src/dynarec/rv64/dynarec_rv64_66f20f.c b/src/dynarec/rv64/dynarec_rv64_66f20f.c
new file mode 100644
index 00000000..cf377f46
--- /dev/null
+++ b/src/dynarec/rv64/dynarec_rv64_66f20f.c
@@ -0,0 +1,58 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <errno.h>
+
+#include "debug.h"
+#include "box64context.h"
+#include "dynarec.h"
+#include "emu/x64emu_private.h"
+#include "emu/x64run_private.h"
+#include "x64run.h"
+#include "x64emu.h"
+#include "box64stack.h"
+#include "callback.h"
+#include "emu/x64run_private.h"
+#include "x64trace.h"
+#include "dynarec_native.h"
+
+#include "rv64_printer.h"
+#include "dynarec_rv64_private.h"
+#include "dynarec_rv64_functions.h"
+#include "dynarec_rv64_helper.h"
+
+uintptr_t dynarec64_66F20F(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int* ok, int* need_epilog)
+{
+    (void)ip;
+    (void)need_epilog;
+
+    uint8_t opcode = F8;
+    uint8_t nextop, u8, s8;
+    int32_t i32;
+    uint8_t gd, ed;
+    uint8_t wback, wb1, wb2, gback;
+    uint8_t eb1, eb2;
+    int64_t j64;
+    uint64_t tmp64u, tmp64u2;
+    int v0, v1;
+    int q0, q1;
+    int d0, d1;
+    int64_t fixedaddress, gdoffset;
+    int unscaled;
+
+    MAYUSE(d0);
+    MAYUSE(d1);
+    MAYUSE(q0);
+    MAYUSE(q1);
+    MAYUSE(eb1);
+    MAYUSE(eb2);
+    MAYUSE(j64);
+
+    static const int8_t round_round[] = { RD_RNE, RD_RDN, RD_RUP, RD_RTZ };
+
+    switch (opcode) {
+        default:
+            DEFAULT;
+    }
+    return addr;
+}
diff --git a/src/dynarec/rv64/dynarec_rv64_66f30f.c b/src/dynarec/rv64/dynarec_rv64_66f30f.c
new file mode 100644
index 00000000..50b4e4a3
--- /dev/null
+++ b/src/dynarec/rv64/dynarec_rv64_66f30f.c
@@ -0,0 +1,58 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <errno.h>
+
+#include "debug.h"
+#include "box64context.h"
+#include "dynarec.h"
+#include "emu/x64emu_private.h"
+#include "emu/x64run_private.h"
+#include "x64run.h"
+#include "x64emu.h"
+#include "box64stack.h"
+#include "callback.h"
+#include "emu/x64run_private.h"
+#include "x64trace.h"
+#include "dynarec_native.h"
+
+#include "rv64_printer.h"
+#include "dynarec_rv64_private.h"
+#include "dynarec_rv64_functions.h"
+#include "dynarec_rv64_helper.h"
+
+uintptr_t dynarec64_66F30F(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int* ok, int* need_epilog)
+{
+    (void)ip;
+    (void)need_epilog;
+
+    uint8_t opcode = F8;
+    uint8_t nextop, u8, s8;
+    int32_t i32;
+    uint8_t gd, ed;
+    uint8_t wback, wb1, wb2, gback;
+    uint8_t eb1, eb2;
+    int64_t j64;
+    uint64_t tmp64u, tmp64u2;
+    int v0, v1;
+    int q0, q1;
+    int d0, d1;
+    int64_t fixedaddress, gdoffset;
+    int unscaled;
+
+    MAYUSE(d0);
+    MAYUSE(d1);
+    MAYUSE(q0);
+    MAYUSE(q1);
+    MAYUSE(eb1);
+    MAYUSE(eb2);
+    MAYUSE(j64);
+
+    static const int8_t round_round[] = { RD_RNE, RD_RDN, RD_RUP, RD_RTZ };
+
+    switch (opcode) {
+        default:
+            DEFAULT;
+    }
+    return addr;
+}
diff --git a/src/dynarec/rv64/dynarec_rv64_helper.h b/src/dynarec/rv64/dynarec_rv64_helper.h
index 8e4d244e..cc05f141 100644
--- a/src/dynarec/rv64/dynarec_rv64_helper.h
+++ b/src/dynarec/rv64/dynarec_rv64_helper.h
@@ -1028,6 +1028,8 @@ void* rv64_next(x64emu_t* emu, uintptr_t addr);
 #define dynarec64_DF   STEPNAME(dynarec64_DF)
 #define dynarec64_F0   STEPNAME(dynarec64_F0)
 #define dynarec64_660F STEPNAME(dynarec64_660F)
+#define dynarec64_66F20F STEPNAME(dynarec64_66F20F)
+#define dynarec64_66F30F STEPNAME(dynarec64_66F30F)
 #define dynarec64_6664 STEPNAME(dynarec64_6664)
 #define dynarec64_66F0 STEPNAME(dynarec64_66F0)
 #define dynarec64_F20F STEPNAME(dynarec64_F20F)
@@ -1380,6 +1382,8 @@ uintptr_t dynarec64_DE(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int ni
 uintptr_t dynarec64_DF(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int rep, int* ok, int* need_epilog);
 uintptr_t dynarec64_F0(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int rep, int* ok, int* need_epilog);
 uintptr_t dynarec64_660F(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int* ok, int* need_epilog);
+uintptr_t dynarec64_66F20F(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int* ok, int* need_epilog);
+uintptr_t dynarec64_66F30F(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int* ok, int* need_epilog);
 uintptr_t dynarec64_6664(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int seg, int* ok, int* need_epilog);
 uintptr_t dynarec64_66F0(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int rep, int* ok, int* need_epilog);
 uintptr_t dynarec64_F20F(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int* ok, int* need_epilog);
diff --git a/src/emu/x64run66.c b/src/emu/x64run66.c
index 6596d081..81fddc80 100644
--- a/src/emu/x64run66.c
+++ b/src/emu/x64run66.c
@@ -127,11 +127,26 @@ uintptr_t Run66(x64emu_t *emu, rex_t rex, int rep, uintptr_t addr)
         break;

 

     case 0x0F:                              /* more opcdes */

-        #ifdef TEST_INTERPRETER

-        return Test660F(test, rex, addr);

-        #else

-        return Run660F(emu, rex, addr);

-        #endif

+        switch(rep) {

+            case 0:

+                #ifdef TEST_INTERPRETER

+                return Test660F(test, rex, addr);

+                #else

+                return Run660F(emu, rex, addr);

+                #endif

+            case 1:

+                #ifdef TEST_INTERPRETER

+                return Test66F20F(test, rex, addr);

+                #else

+                return Run66F20F(emu, rex, addr);

+                #endif

+            case 2:

+                #ifdef TEST_INTERPRETER

+                return Test66F30F(test, rex, addr);

+                #else

+                return Run66F30F(emu, rex, addr);

+                #endif

+        }

 

         case 0x1E:                      /* PUSH DS */

             if(!rex.is32bits) {

diff --git a/src/emu/x64run66f20f.c b/src/emu/x64run66f20f.c
new file mode 100644
index 00000000..a4ad4438
--- /dev/null
+++ b/src/emu/x64run66f20f.c
@@ -0,0 +1,88 @@
+#define _GNU_SOURCE
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <fenv.h>
+#include <string.h>
+#include <signal.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "debug.h"
+#include "box64stack.h"
+#include "x64emu.h"
+#include "x64run.h"
+#include "x64emu_private.h"
+#include "x64run_private.h"
+#include "x64primop.h"
+#include "x64trace.h"
+#include "x87emu_private.h"
+#include "box64context.h"
+#include "bridge.h"
+
+#include "modrm.h"
+#include "x64compstrings.h"
+
+#ifdef TEST_INTERPRETER
+uintptr_t Test66F20F(x64test_t *test, rex_t rex, uintptr_t addr)
+#else
+uintptr_t Run66F20F(x64emu_t *emu, rex_t rex, uintptr_t addr)
+#endif
+{
+    uint8_t opcode;
+    uint8_t nextop;
+    uint8_t tmp8u;
+    int8_t tmp8s;
+    int16_t tmp16s;
+    uint16_t tmp16u;
+    int32_t tmp32s;
+    uint32_t tmp32u;
+    uint64_t tmp64u;
+    int64_t tmp64s, i64[4];
+    float tmpf;
+    double tmpd;
+    #ifndef NOALIGN
+    int is_nan;
+    #endif
+    reg64_t *oped, *opgd;
+    sse_regs_t *opex, *opgx, eax1, *opex2;
+    mmx87_regs_t *opem, *opgm;
+
+    #ifdef TEST_INTERPRETER
+    x64emu_t* emu = test->emu;
+    #endif
+    opcode = F8;
+
+    switch(opcode) {
+
+        case 0x38:  // SSE 4.x
+            opcode = F8;
+            switch(opcode) {
+            
+                case 0xF1:  // CRC32 Gd, Ew
+                    nextop = F8;
+                    GETEW(0);
+                    GETGD;
+                    for(int j=0; j<2; ++j) {
+                        GD->dword[0] ^=  EW->byte[j];
+                        for (int i = 0; i < 8; i++) {
+                            if (GD->dword[0] & 1)
+                                GD->dword[0] = (GD->dword[0] >> 1) ^ 0x82f63b78;
+                            else
+                                GD->dword[0] = (GD->dword[0] >> 1);
+                        }
+                    }
+                    GD->dword[1] = 0;
+                    break;
+
+                default: 
+                    return 0;
+            }
+        break;
+
+        default:
+            return 0;
+    }
+    return addr;
+}
diff --git a/src/emu/x64run66f30f.c b/src/emu/x64run66f30f.c
new file mode 100644
index 00000000..dd466ad5
--- /dev/null
+++ b/src/emu/x64run66f30f.c
@@ -0,0 +1,64 @@
+#define _GNU_SOURCE
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <fenv.h>
+#include <string.h>
+#include <signal.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "debug.h"
+#include "box64stack.h"
+#include "x64emu.h"
+#include "x64run.h"
+#include "x64emu_private.h"
+#include "x64run_private.h"
+#include "x64primop.h"
+#include "x64trace.h"
+#include "x87emu_private.h"
+#include "box64context.h"
+#include "bridge.h"
+
+#include "modrm.h"
+#include "x64compstrings.h"
+
+#ifdef TEST_INTERPRETER
+uintptr_t Test66F30F(x64test_t *test, rex_t rex, uintptr_t addr)
+#else
+uintptr_t Run66F30F(x64emu_t *emu, rex_t rex, uintptr_t addr)
+#endif
+{
+    uint8_t opcode;
+    uint8_t nextop;
+    uint8_t tmp8u;
+    int8_t tmp8s;
+    int16_t tmp16s;
+    uint16_t tmp16u;
+    int32_t tmp32s;
+    uint32_t tmp32u;
+    uint64_t tmp64u;
+    int64_t tmp64s, i64[4];
+    float tmpf;
+    double tmpd;
+    #ifndef NOALIGN
+    int is_nan;
+    #endif
+    reg64_t *oped, *opgd;
+    sse_regs_t *opex, *opgx, eax1, *opex2;
+    mmx87_regs_t *opem, *opgm;
+
+    #ifdef TEST_INTERPRETER
+    x64emu_t* emu = test->emu;
+    #endif
+    opcode = F8;
+
+    switch(opcode) {
+
+
+    default:
+        return 0;
+    }
+    return addr;
+}
diff --git a/src/emu/x64run_private.h b/src/emu/x64run_private.h
index dcda399f..f90a35e3 100644
--- a/src/emu/x64run_private.h
+++ b/src/emu/x64run_private.h
@@ -129,6 +129,8 @@ uintptr_t Run0F(x64emu_t *emu, rex_t rex, uintptr_t addr, int *step);
 uintptr_t Run64(x64emu_t *emu, rex_t rex, int seg, uintptr_t addr);
 uintptr_t Run66(x64emu_t *emu, rex_t rex, int rep, uintptr_t addr);
 uintptr_t Run660F(x64emu_t *emu, rex_t rex, uintptr_t addr);
+uintptr_t Run66F20F(x64emu_t *emu, rex_t rex, uintptr_t addr);
+uintptr_t Run66F30F(x64emu_t *emu, rex_t rex, uintptr_t addr);
 uintptr_t Run6664(x64emu_t *emu, rex_t rex, int seg, uintptr_t addr);
 uintptr_t Run66D9(x64emu_t *emu, rex_t rex, uintptr_t addr);
 uintptr_t Run66DD(x64emu_t *emu, rex_t rex, uintptr_t addr);
@@ -155,6 +157,8 @@ uintptr_t Test0F(x64test_t *test, rex_t rex, uintptr_t addr, int *step);
 uintptr_t Test64(x64test_t *test, rex_t rex, int seg, uintptr_t addr);
 uintptr_t Test66(x64test_t *test, rex_t rex, int rep, uintptr_t addr);
 uintptr_t Test660F(x64test_t *test, rex_t rex, uintptr_t addr);
+uintptr_t Test66F20F(x64test_t *test, rex_t rex, uintptr_t addr);
+uintptr_t Test66F30F(x64test_t *test, rex_t rex, uintptr_t addr);
 uintptr_t Test6664(x64test_t *test, rex_t rex, int seg, uintptr_t addr);
 uintptr_t Test66D9(x64test_t *test, rex_t rex, uintptr_t addr);
 uintptr_t Test66DD(x64test_t *test, rex_t rex, uintptr_t addr);
diff --git a/tests/ref27.txt b/tests/ref27.txt
index 9eb9868d..6283aec8 100644
--- a/tests/ref27.txt
+++ b/tests/ref27.txt
@@ -863,3 +863,9 @@ mm_cmpestrm("", 0, "This is a string", 16, 0x75) = 00000000ffffffff-00000000ffff
 _mm_cmpistri("", "This is a string", 0x75) => 7
 _mm_cmpestri("", "This is a string", 0x75) flags: a:0 s:1 z:0 c:1 o:1
 mm_cmpestrm("", "This is a string", 0x75) = 00000000ffffffff-00000000ffffffff
+crc32(0x0, byte:0x0) => 0x0
+crc32(0x0, byte:0xa) => 0x6be22838
+crc32(0x6be22838, dword:0x0) => 0xb545d4c9
+crc32(0xb545d4c9, dword:0x123456) => 0xc4dd37b5
+crc32(0xc4dd37b5, word:0x8765) => 0x89047b68
+crc32(0x89047b68, qword:0x34567890) => 0x68d0e9ae
diff --git a/tests/test27 b/tests/test27
index 24fb8aa9..fdde43c8 100755
--- a/tests/test27
+++ b/tests/test27
Binary files differdiff --git a/tests/test27.c b/tests/test27.c
index 82b72030..140cb4c2 100644
--- a/tests/test27.c
+++ b/tests/test27.c
@@ -107,5 +107,25 @@ int main(int argc, const char** argv)
   GO2(0b0110110)
   GO2(0b1110100)
 
+  unsigned int crc = 0;
+  printf("crc32(0x%x, byte:0x%x) => ", crc, 0);
+  crc = _mm_crc32_u8(crc, 0);
+  printf("0x%x\n", crc);
+  printf("crc32(0x%x, byte:0x%x) => ", crc, 10);
+  crc = _mm_crc32_u8(crc, 10);
+  printf("0x%x\n", crc);
+  printf("crc32(0x%x, dword:0x%x) => ", crc, 0);
+  crc = _mm_crc32_u32(crc, 0);
+  printf("0x%x\n", crc);
+  printf("crc32(0x%x, dword:0x%x) => ", crc, 0x123456);
+  crc = _mm_crc32_u32(crc, 0x123456);
+  printf("0x%x\n", crc);
+  printf("crc32(0x%x, word:0x%x) => ", crc, 0x8765);
+  crc = _mm_crc32_u16(crc, 0x8765);
+  printf("0x%x\n", crc);
+  printf("crc32(0x%x, qword:0x%x) => ", crc, 0xff1234567890);
+  uint64_t crc64 = _mm_crc32_u64(crc, 0xff1234567890);
+  printf("0x%x\n", crc64);
+
   return 0;
 }