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diff src/cpu/sparc/vm/interp_masm_sparc.cpp @ 1783:d5d065957597

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6953144: Tiered compilation Summary: Infrastructure for tiered compilation support (interpreter + c1 + c2) for 32 and 64 bit. Simple tiered policy implementation. Reviewed-by: kvn, never, phh, twisti
author iveresov
date Fri, 03 Sep 2010 17:51:07 -0700
parents e9ff18c4ace7
children f95d63e2154a
line wrap: on
line diff
--- a/src/cpu/sparc/vm/interp_masm_sparc.cpp	Thu Sep 02 11:40:02 2010 -0700
+++ b/src/cpu/sparc/vm/interp_masm_sparc.cpp	Fri Sep 03 17:51:07 2010 -0700
@@ -2431,3 +2431,20 @@
   }
 #endif // CC_INTERP
 }
+
+// Jump if ((*counter_addr += increment) & mask) satisfies the condition.
+void InterpreterMacroAssembler::increment_mask_and_jump(Address counter_addr,
+                                                        int increment, int mask,
+                                                        Register scratch1, Register scratch2,
+                                                        Condition cond, Label *where) {
+  ld(counter_addr, scratch1);
+  add(scratch1, increment, scratch1);
+  if (is_simm13(mask)) {
+    andcc(scratch1, mask, G0);
+  } else {
+    set(mask, scratch2);
+    andcc(scratch1, scratch2,  G0);
+  }
+  br(cond, false, Assembler::pn, *where);
+  delayed()->st(scratch1, counter_addr);
+}