# HG changeset patch
# User Stefan Anzinger <stefan.anzinger@oracle.com>
# Date 1418831438 -3600
# Node ID 2206dae9a8024a5c9946dada593c87fd49f9e830
# Parent  5dcb9fdea75ad832f433ff032205058265c580c4
[SPARC] Allow null base register on memory access

diff -r 5dcb9fdea75a -r 2206dae9a802 graal/com.oracle.graal.asm.sparc/src/com/oracle/graal/asm/sparc/SPARCAssembler.java
--- a/graal/com.oracle.graal.asm.sparc/src/com/oracle/graal/asm/sparc/SPARCAssembler.java	Wed Dec 17 08:04:57 2014 +0100
+++ b/graal/com.oracle.graal.asm.sparc/src/com/oracle/graal/asm/sparc/SPARCAssembler.java	Wed Dec 17 16:50:38 2014 +0100
@@ -1263,9 +1263,9 @@
         }
 
         public void verify() {
-            assert ((rd << RD_SHIFT) & RD_MASK) == (rd << RD_SHIFT);
-            assert ((op3 << OP3_SHIFT) & OP3_MASK) == (op3 << OP3_SHIFT);
-            assert ((rs1 << RS1_SHIFT) & RS1_MASK) == (rs1 << RS1_SHIFT);
+            assert ((rd << RD_SHIFT) & RD_MASK) == (rd << RD_SHIFT) : rd;
+            assert ((op3 << OP3_SHIFT) & OP3_MASK) == (op3 << OP3_SHIFT) : op3;
+            assert ((rs1 << RS1_SHIFT) & RS1_MASK) == (rs1 << RS1_SHIFT) : rs1;
             assert ((i << I_SHIFT) & I_MASK) == (i << I_SHIFT);
             assert ((immAsi << IMM_ASI_SHIFT) & IMM_ASI_MASK) == (immAsi << IMM_ASI_SHIFT);
             assert ((rs2 << RS2_SHIFT) & RS2_MASK) == (rs2 << RS2_SHIFT);
diff -r 5dcb9fdea75a -r 2206dae9a802 graal/com.oracle.graal.compiler.sparc/src/com/oracle/graal/compiler/sparc/SPARCLIRGenerator.java
--- a/graal/com.oracle.graal.compiler.sparc/src/com/oracle/graal/compiler/sparc/SPARCLIRGenerator.java	Wed Dec 17 08:04:57 2014 +0100
+++ b/graal/com.oracle.graal.compiler.sparc/src/com/oracle/graal/compiler/sparc/SPARCLIRGenerator.java	Wed Dec 17 16:50:38 2014 +0100
@@ -123,7 +123,7 @@
         long finalDisp = displacement;
         if (isConstant(base)) {
             if (asConstant(base).isNull()) {
-                baseRegister = Value.ILLEGAL;
+                baseRegister = SPARC.g0.asValue();
             } else if (asConstant(base).getKind() != Kind.Object) {
                 finalDisp += asConstant(base).asLong();
                 baseRegister = Value.ILLEGAL;
diff -r 5dcb9fdea75a -r 2206dae9a802 graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotLIRGenerator.java
--- a/graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotLIRGenerator.java	Wed Dec 17 08:04:57 2014 +0100
+++ b/graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotLIRGenerator.java	Wed Dec 17 16:50:38 2014 +0100
@@ -353,7 +353,8 @@
     }
 
     public void emitNullCheck(Value address, LIRFrameState state) {
-        assert address.getKind() == Kind.Object : address + " - " + address.getKind() + " not an object!";
+        PlatformKind kind = address.getLIRKind().getPlatformKind();
+        assert kind == Kind.Object || kind == Kind.Long : address + " - " + kind + " not an object!";
         append(new NullCheckOp(load(address), state));
     }
 }