# HG changeset patch
# User twisti
# Date 1375226101 25200
# Node ID 19a7856e3ab9d59650ecc8bcf7c400868ae4d2e5
# Parent  4ea54634f03e69b41b8bafc7a8e92efced44f38a
remove SafepointPollOffset

diff -r 4ea54634f03e -r 19a7856e3ab9 graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64SafepointOp.java
--- a/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64SafepointOp.java	Tue Jul 30 13:03:28 2013 -0700
+++ b/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64SafepointOp.java	Tue Jul 30 16:15:01 2013 -0700
@@ -23,8 +23,6 @@
 package com.oracle.graal.hotspot.amd64;
 
 import static com.oracle.graal.amd64.AMD64.*;
-import static com.oracle.graal.phases.GraalOptions.*;
-import sun.misc.*;
 
 import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.meta.*;
@@ -42,8 +40,6 @@
 @Opcode("SAFEPOINT")
 public class AMD64SafepointOp extends AMD64LIRInstruction {
 
-    private static final Unsafe unsafe = Unsafe.getUnsafe();
-
     @State protected LIRFrameState state;
     @Temp({OperandFlag.REG}) private AllocatableValue temp;
 
@@ -57,11 +53,10 @@
 
     @Override
     public void emitCode(TargetMethodAssembler tasm, AMD64MacroAssembler asm) {
-        int pos = asm.codeBuffer.position();
-        int offset = SafepointPollOffset.getValue() % unsafe.pageSize();
+        final int pos = asm.codeBuffer.position();
         RegisterValue scratch = (RegisterValue) temp;
         if (config.isPollingPageFar) {
-            asm.movq(scratch.getRegister(), config.safepointPollingAddress + offset);
+            asm.movq(scratch.getRegister(), config.safepointPollingAddress);
             tasm.recordMark(Marks.MARK_POLL_FAR);
             tasm.recordInfopoint(pos, state, InfopointReason.SAFEPOINT);
             asm.movq(scratch.getRegister(), new AMD64Address(scratch.getRegister()));
@@ -70,7 +65,7 @@
             tasm.recordInfopoint(pos, state, InfopointReason.SAFEPOINT);
             // The C++ code transforms the polling page offset into an RIP displacement
             // to the real address at that offset in the polling page.
-            asm.movq(scratch.getRegister(), new AMD64Address(rip, offset));
+            asm.movq(scratch.getRegister(), new AMD64Address(rip, 0));
         }
     }
 }
diff -r 4ea54634f03e -r 19a7856e3ab9 graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCSafepointOp.java
--- a/graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCSafepointOp.java	Tue Jul 30 13:03:28 2013 -0700
+++ b/graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCSafepointOp.java	Tue Jul 30 16:15:01 2013 -0700
@@ -24,8 +24,6 @@
 
 import static com.oracle.graal.asm.sparc.SPARCMacroAssembler.*;
 import static com.oracle.graal.sparc.SPARC.*;
-import static com.oracle.graal.phases.GraalOptions.*;
-import sun.misc.*;
 
 import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.meta.*;
@@ -42,8 +40,6 @@
 @Opcode("SAFEPOINT")
 public class SPARCSafepointOp extends SPARCLIRInstruction {
 
-    private static final Unsafe unsafe = Unsafe.getUnsafe();
-
     @State protected LIRFrameState state;
     @Temp({OperandFlag.REG}) private AllocatableValue temp;
 
@@ -58,9 +54,8 @@
     @Override
     public void emitCode(TargetMethodAssembler tasm, SPARCMacroAssembler masm) {
         final int pos = masm.codeBuffer.position();
-        final int offset = SafepointPollOffset.getValue() % unsafe.pageSize();
         Register scratch = ((RegisterValue) temp).getRegister();
-        new Setx(config.safepointPollingAddress + offset, scratch).emit(masm);
+        new Setx(config.safepointPollingAddress, scratch).emit(masm);
         tasm.recordInfopoint(pos, state, InfopointReason.SAFEPOINT);
         new Ldx(new SPARCAddress(scratch, 0), g0).emit(masm);
     }
diff -r 4ea54634f03e -r 19a7856e3ab9 graal/com.oracle.graal.phases/src/com/oracle/graal/phases/GraalOptions.java
--- a/graal/com.oracle.graal.phases/src/com/oracle/graal/phases/GraalOptions.java	Tue Jul 30 13:03:28 2013 -0700
+++ b/graal/com.oracle.graal.phases/src/com/oracle/graal/phases/GraalOptions.java	Tue Jul 30 16:15:01 2013 -0700
@@ -230,8 +230,6 @@
     public static final OptionValue<Boolean> ResolveClassBeforeStaticInvoke = new OptionValue<>(false);
     @Option(help = "")
     public static final OptionValue<Boolean> CanOmitFrame = new OptionValue<>(true);
-    @Option(help = "")
-    public static final OptionValue<Integer> SafepointPollOffset = new OptionValue<>(256);
 
     @Option(help = "")
     public static final OptionValue<Boolean> MemoryAwareScheduling = new OptionValue<>(true);