Changeset 56667 in vbox

Timestamp:

Jun 28, 2015 4:25:16 PM (9 years ago)

Author:

vboxsync

Message:

hmR0SvmExitIOInstr: Optimize the OUTS on old-CPU when it's clear from the instruction size that no segment prefixes are used. Build fix for signed/unsigned comparison.

File:

• trunk/src/VBox/VMM/VMMR0/HMSVMR0.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR0/HMSVMR0.cpp

@@ -4818 +4818 @@
                                                         IoExitInfo.n.u3SEG);
                     }
-                    else if (cbInstr != 1U + IoExitInfo.n.u1REP)
+                    else if (cbInstr == 1U + IoExitInfo.n.u1REP)
                         rcStrict = IEMExecStringIoWrite(pVCpu, cbValue, enmAddrMode, IoExitInfo.n.u1REP, (uint8_t)cbInstr,
                                                         X86_SREG_DS);