From 272ee0ade83e2e0c1bcbb76ee25daa0cf247897b Mon Sep 17 00:00:00 2001
From: Ed Nevill <enevill@openjdk.org>
Date: Tue, 26 Jan 2016 14:04:01 +0000
Subject: [PATCH] 8148240: aarch64: random infrequent null pointer exceptions
 in javac

Disable fp as an allocatable register

Reviewed-by: aph
---
 hotspot/src/cpu/aarch64/vm/aarch64.ad | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hotspot/src/cpu/aarch64/vm/aarch64.ad b/hotspot/src/cpu/aarch64/vm/aarch64.ad
index 0dd35270b1d..2b5d3d8838d 100644
--- a/hotspot/src/cpu/aarch64/vm/aarch64.ad
+++ b/hotspot/src/cpu/aarch64/vm/aarch64.ad
@@ -577,7 +577,7 @@ reg_class no_special_reg32_with_fp(
     R26
  /* R27, */                     // heapbase
  /* R28, */                     // thread
-    R29,                        // fp
+ /* R29, */                     // fp
  /* R30, */                     // lr
  /* R31 */                      // sp
 );
@@ -646,7 +646,7 @@ reg_class no_special_reg_with_fp(
     R26, R26_H,
  /* R27, R27_H, */              // heapbase
  /* R28, R28_H, */              // thread
-    R29, R29_H,                 // fp
+ /* R29, R29_H, */              // fp
  /* R30, R30_H, */              // lr
  /* R31, R31_H */               // sp
 );