Changeset 95578 in vbox for trunk/src/VBox/VMM/VMMAll/IEMAllAImpl.asm

Timestamp:

Jul 9, 2022 12:09:50 AM (3 years ago)

Author:

vboxsync

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

152205

Message:

VMM/IEM: [v]ptest. bugref:9898

File:

• trunk/src/VBox/VMM/VMMAll/IEMAllAImpl.asm (modified) (2 diffs)

trunk/src/VBox/VMM/VMMAll/IEMAllAImpl.asm

@@ -4054 +4054 @@
 ; The SSE 4.2 crc32
 ;
-; @param    1       The instruction
-;
 ; @param    A1      Pointer to the 32-bit destination.
 ; @param    A2      The source operand, sized according to the suffix.
 ;
-
 BEGINPROC_FASTCALL iemAImpl_crc32_u8, 8
         PROLOGUE_2_ARGS
@@ -4102 +4099 @@
 %endif
 
+
+;
+; PTEST (SSE 4.1)
+;
+; @param    A0      Pointer to the first source operand (aka readonly destination).
+; @param    A1      Pointer to the second source operand.
+; @param    A2      Pointer to the EFLAGS register.
+;
+BEGINPROC_FASTCALL  iemAImpl_ptest_u128, 12
+        PROLOGUE_3_ARGS
+        IEMIMPL_SSE_PROLOGUE
+
+        movdqu  xmm0, [A0]
+        movdqu  xmm1, [A1]
+        ptest   xmm0, xmm1
+        IEM_SAVE_FLAGS A2, X86_EFL_STATUS_BITS, 0
+
+        IEMIMPL_SSE_EPILOGUE
+        EPILOGUE_3_ARGS
+ENDPROC             iemAImpl_ptest_u128
+
+BEGINPROC_FASTCALL  iemAImpl_vptest_u256, 12
+        PROLOGUE_3_ARGS
+        IEMIMPL_SSE_PROLOGUE
+
+        vmovdqu ymm0, [A0]
+        vmovdqu ymm1, [A1]
+        vptest  ymm0, ymm1
+        IEM_SAVE_FLAGS A2, X86_EFL_STATUS_BITS, 0
+
+        IEMIMPL_SSE_EPILOGUE
+        EPILOGUE_3_ARGS
+ENDPROC             iemAImpl_vptest_u256
+