Changeset 103838 in vbox for trunk/src/VBox/VMM/VMMR3

Timestamp:

Mar 13, 2024 8:06:55 PM (13 months ago)

Author:

vboxsync

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

162208

Message:

VMM/IEM: Emit the IEM_MC_MAYBE_RAISE_DEVICE_NOT_AVAILABLE()/IEM_MC_MAYBE_RAISE_SSE_RELATED_XCPT()/IEM_MC_MAYBE_RAISE_AVX_RELATED_XCPT() checks only once per TB or after a helper was called which could modify cr0/cr4/xcr0. Most of the time the check can be omitted for SIMD code, bugref:10614

File:

• trunk/src/VBox/VMM/VMMR3/IEMR3.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR3/IEMR3.cpp

@@ -538 +538 @@
         STAMR3RegisterF(pVM, &pVCpu->iem.s.StatNativePcUpdateTotal,   STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Total RIP updates",   "/IEM/CPU%u/re/NativePcUpdateTotal", idCpu);
         STAMR3RegisterF(pVM, &pVCpu->iem.s.StatNativePcUpdateDelayed, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Delayed RIP updates", "/IEM/CPU%u/re/NativePcUpdateDelayed", idCpu);
+
+#ifdef IEMNATIVE_WITH_SIMD_REG_ALLOCATOR
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatNativeMaybeDeviceNotAvailXcptCheckPotential, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Potential IEM_MC_MAYBE_RAISE_DEVICE_NOT_AVAILABLE() checks", "/IEM/CPU%u/re/NativeMaybeDeviceNotAvailXcptCheckPotential", idCpu);
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatNativeMaybeSseXcptCheckPotential,            STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Potential IEM_MC_MAYBE_RAISE_SSE_RELATED_XCPT() checks",     "/IEM/CPU%u/re/NativeMaybeSseXcptCheckPotential", idCpu);
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatNativeMaybeAvxXcptCheckPotential,            STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Potential IEM_MC_MAYBE_RAISE_AVX_RELATED_XCPT() checks",     "/IEM/CPU%u/re/NativeMaybeAvxXcptCheckPotential", idCpu);
+
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatNativeMaybeDeviceNotAvailXcptCheckOmitted,   STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "IEM_MC_MAYBE_RAISE_DEVICE_NOT_AVAILABLE() checks omitted",   "/IEM/CPU%u/re/NativeMaybeDeviceNotAvailXcptCheckOmitted", idCpu);
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatNativeMaybeSseXcptCheckOmitted,              STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "IEM_MC_MAYBE_RAISE_SSE_RELATED_XCPT() checks omitted",       "/IEM/CPU%u/re/NativeMaybeSseXcptCheckOmitted", idCpu);
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatNativeMaybeAvxXcptCheckOmitted,              STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "IEM_MC_MAYBE_RAISE_AVX_RELATED_XCPT() checks omitted",       "/IEM/CPU%u/re/NativeMaybeAvxXcptCheckOmitted", idCpu);
+#endif
 
         /* Ratio of the status bit skippables. */