Changeset 65983 in vbox for trunk/src/VBox/VMM/include

Timestamp:

Mar 7, 2017 1:34:33 PM (8 years ago)

Author:

vboxsync

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

113809

Message:

PGMInline.h: PAE shift optimizations.

File:

• trunk/src/VBox/VMM/include/PGMInline.h (modified) (5 diffs)

trunk/src/VBox/VMM/include/PGMInline.h

@@ -721 +721 @@
     }
 #endif
-    return &pGuestPDPT->a[(GCPtr >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE];
+    return &pGuestPDPT->a[(uint32_t)GCPtr >> X86_PDPT_SHIFT];
 }
 
@@ -739 +739 @@
     if (RT_LIKELY(pGuestPDPT))
     {
-        const unsigned iPdpt = (GCPtr >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE;
+        const unsigned iPdpt = (uint32_t)GCPtr >> X86_PDPT_SHIFT;
         if (    pGuestPDPT->a[iPdpt].n.u1Present
             &&  !(pGuestPDPT->a[iPdpt].u & pVCpu->pgm.s.fGstPaeMbzPdpeMask) )
@@ -788 +788 @@
     if (RT_UNLIKELY(!pGuestPDPT))
         return NULL;
-    const unsigned  iPdpt = (GCPtr >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE;
+    const unsigned  iPdpt = (uint32_t)GCPtr >> X86_PDPT_SHIFT;
     if (pPdpe)
         *pPdpe = pGuestPDPT->a[iPdpt];
@@ -1055 +1055 @@
 DECLINLINE(PX86PDPAE) pgmShwGetPaePDPtr(PVMCPU pVCpu, RTGCPTR GCPtr)
 {
-    const unsigned  iPdpt = (GCPtr >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE;
+    const unsigned  iPdpt = (uint32_t)GCPtr >> X86_PDPT_SHIFT;
     PX86PDPT        pPdpt = pgmShwGetPaePDPTPtr(pVCpu);
 
@@ -1080 +1080 @@
 DECLINLINE(PX86PDPAE) pgmShwGetPaePDPtr(PVMCPU pVCpu, PX86PDPT pPdpt, RTGCPTR GCPtr)
 {
-    const unsigned  iPdpt = (GCPtr >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE;
+    const unsigned  iPdpt = (uint32_t)GCPtr >> X86_PDPT_SHIFT;
 
     if (!pPdpt->a[iPdpt].n.u1Present)