Fix a range check on the ipr_index.

--HG--
extra : convert_revision : 84e25abd4bb2de0c877c883804d39feb019c7030

diff --git a/src/arch/alpha/isa/decoder.isa b/src/arch/alpha/isa/decoder.isa
index fcf022ce1cd5e3f27c7d8d03afb1fdb1080275f3..be6f574a98a6954a521c7cf3c77287e3b97ae7b1 100644 (file)
--- a/src/arch/alpha/isa/decoder.isa
+++ b/src/arch/alpha/isa/decoder.isa
@@ -745,7 +745,7 @@ decode OPCODE default Unknown::unknown() {
         0: OpcdecFault::hw_mfpr();
         format HwMoveIPR {
             1: hw_mfpr({{
-                int miscRegIndex = (ipr_index < NumInternalProcRegs) ?
+                int miscRegIndex = (ipr_index < MaxInternalProcRegs) ?
                         IprToMiscRegIndex[ipr_index] : -1;
                 if(miscRegIndex < 0 || !IprIsReadable(miscRegIndex) ||
                     miscRegIndex >= NumInternalProcRegs)
@@ -760,7 +760,7 @@ decode OPCODE default Unknown::unknown() {
         0: OpcdecFault::hw_mtpr();
         format HwMoveIPR {
             1: hw_mtpr({{
-                int miscRegIndex = (ipr_index < NumInternalProcRegs) ?
+                int miscRegIndex = (ipr_index < MaxInternalProcRegs) ?
                         IprToMiscRegIndex[ipr_index] : -1;
                 if(miscRegIndex < 0 || !IprIsWritable(miscRegIndex) ||
                     miscRegIndex >= NumInternalProcRegs)