Changeset 53104 in vbox for trunk/src

Timestamp:

Oct 20, 2014 6:39:49 PM (10 years ago)

Author:

vboxsync

Message:

IEM: Added FILD m16.

File:

• trunk/src/VBox/VMM/VMMAll/IEMAllInstructions.cpp.h (modified) (1 diff)

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

@@ -15491 +15491 @@
 
 /** Opcode 0xdf !11/0. */
-FNIEMOP_STUB_1(iemOp_fild_m16i,   uint8_t, bRm);
+FNIEMOP_DEF_1(iemOp_fild_m16i, uint8_t, bRm)
+{
+    IEMOP_MNEMONIC("fild m16i");
+
+    IEM_MC_BEGIN(2, 3);
+    IEM_MC_LOCAL(RTGCPTR,                   GCPtrEffSrc);
+    IEM_MC_LOCAL(IEMFPURESULT,              FpuRes);
+    IEM_MC_LOCAL(int16_t,                   i16Val);
+    IEM_MC_ARG_LOCAL_REF(PIEMFPURESULT,     pFpuRes,    FpuRes, 0);
+    IEM_MC_ARG_LOCAL_REF(int16_t const *,   pi16Val,    i16Val, 1);
+
+    IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffSrc, bRm, 0);
+    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
+
+    IEM_MC_MAYBE_RAISE_DEVICE_NOT_AVAILABLE();
+    IEM_MC_MAYBE_RAISE_FPU_XCPT();
+    IEM_MC_FETCH_MEM_I16(i16Val, pIemCpu->iEffSeg, GCPtrEffSrc);
+
+    IEM_MC_IF_FPUREG_IS_EMPTY(7)
+        IEM_MC_CALL_FPU_AIMPL_2(iemAImpl_fild_i16_to_r80, pFpuRes, pi16Val);
+        IEM_MC_PUSH_FPU_RESULT_MEM_OP(FpuRes, pIemCpu->iEffSeg, GCPtrEffSrc);
+    IEM_MC_ELSE()
+        IEM_MC_FPU_STACK_PUSH_OVERFLOW_MEM_OP(pIemCpu->iEffSeg, GCPtrEffSrc);
+    IEM_MC_ENDIF();
+    IEM_MC_USED_FPU();
+    IEM_MC_ADVANCE_RIP();
+
+    IEM_MC_END();
+    return VINF_SUCCESS;
+}