Changeset 66313 in vbox for trunk/src/VBox/VMM/VMMAll/IEMAllInstructionsTwoByte0f.cpp.h

Timestamp:

Mar 28, 2017 7:28:08 PM (8 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

114242

Message:

bs3-cpu-generated-1,IEM: Introducing @opcodesub to more effectively deal with mod=3 vs mod!=3 encoding different instructions; hacked stuff to test unused mod encodings.

File:

• trunk/src/VBox/VMM/VMMAll/IEMAllInstructionsTwoByte0f.cpp.h (modified) (6 diffs)

trunk/src/VBox/VMM/VMMAll/IEMAllInstructionsTwoByte0f.cpp.h

@@ -1293 +1293 @@
         /**
          * @opcode      0x12
+         * @opcodesub   11 mr/reg
          * @oppfx       none
          * @opcpuid     sse
@@ -1299 +1300 @@
          * @optest      op1=1 op2=2 -> op1=2
          * @optest      op1=0 op2=-42 -> op1=-42
-         * @oponlytest
          */
         IEMOP_MNEMONIC2(RM_REG, MOVHLPS, movhlps, Vq, UqHi, DISOPTYPE_HARMLESS, IEMOPHINT_IGNORES_OP_SIZE);
@@ -1320 +1320 @@
          * @opdone
          * @opcode      0x12
+         * @opcodesub   !11 mr/reg
          * @oppfx       none
          * @opcpuid     sse
@@ -1327 +1328 @@
          * @optest      op1=0 op2=-42 -> op1=-42
          * @opfunction  iemOp_vmovlps_Vq_Hq_Mq__vmovhlps
-         * @oponlytest
          */
         IEMOP_MNEMONIC2(RM_MEM, MOVLPS, movlps, Vq, Mq, DISOPTYPE_HARMLESS, IEMOPHINT_IGNORES_OP_SIZE);
@@ -1350 +1350 @@
 
 
+/**
+ * @opcode      0x12
+ * @opcodesub   !11 mr/reg
+ * @oppfx       0x66
+ * @opcpuid     sse2
+ * @opgroup     og_sse2_pcksclr_datamove
+ * @opxcpttype  5
+ * @optest      op1=1 op2=2 -> op1=2
+ * @optest      op1=0 op2=-42 -> op1=-42
+ */
 FNIEMOP_DEF(iemOp_vmovlpd_Vq_Hq_Mq)
 {
     uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
-    if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
-    {
-        /**
-         * @todo figure this out!
-         * opcode      0x12
-         * todo        11 /reg
-         * oppfx       0x66
-         * openc       ModR/M
-         * opcpuid     sse2
-         * opgroup     og_sse_simdfp_datamove
-         * opunused    immediate
-         * optest      op1=1 op2=2 -> op1=2
-         * oponlytest
-         */
-        return IEMOP_RAISE_INVALID_OPCODE();
-    }
-    else
-    {
-        /**
-         * @opdone
-         * @opcode      0x12
-         * @oppfx       0x66
-         * @opcpuid     sse2
-         * @opgroup     og_sse2_pcksclr_datamove
-         * @opxcpttype  5
-         * @optest      op1=1 op2=2 -> op1=2
-         * @optest      op1=0 op2=-42 -> op1=-42
-         * @opfunction  iemOp_vmovlpd_Vq_Hq_Mq
-         * @oponlytest
-         */
+    if ((bRm & X86_MODRM_MOD_MASK) != (3 << X86_MODRM_MOD_SHIFT))
+    {
         IEMOP_MNEMONIC2(RM_MEM, MOVLPD, movlpd, Vq, Mq, DISOPTYPE_HARMLESS, IEMOPHINT_IGNORES_OP_SIZE);
 
@@ -1399 +1381 @@
         IEM_MC_ADVANCE_RIP();
         IEM_MC_END();
-    }
-    return VINF_SUCCESS;
+        return VINF_SUCCESS;
+    }
+
+    /**
+     * @opdone
+     * @opmnemonic  ud660f12m3
+     * @opcode      0x12
+     * @opcodesub   11 mr/reg
+     * @oppfx       0x66
+     * @opunused    immediate
+     * @opcpuid     sse
+     * @optest      ->
+     */
+    return IEMOP_RAISE_INVALID_OPCODE();
 }