src/hotspot/cpu/x86/c2_init_x86.cpp

rev 53738 : [mq]: JDK-8217909.patch

@@ -27,10 +27,12 @@
 #include "opto/node.hpp"
 #include "opto/optoreg.hpp"
 
 // processor dependent initialization for i486
 
+extern void reg_mask_init();
+
 void Compile::pd_compiler2_init() {
   guarantee(CodeEntryAlignment >= InteriorEntryAlignment, "" );
   // QQQ presumably all 64bit cpu's support this. Seems like the ifdef could
   // simply be left out.
 #ifndef AMD64

@@ -56,6 +58,7 @@
     // mark the upper zmm bank bad and all the mask registers bad in this case
     for (OptoReg::Name i = OptoReg::Name(middle); i<OptoReg::Name(_last_Mach_Reg - 1); i = OptoReg::add(i, 1)) {
       OptoReg::invalidate(i);
     }
   }
+  reg_mask_init();
 }