# HG changeset patch
# User roland
# Date 1315380952 -7200
# Node ID c2d3caa64b3e57bce6f9e734f2d1132b7dc7f75e
# Parent  7588156f5cf91d68761133946ce051812f9de0c8
7086394: c2/arm: enable UseFPUForSpilling
Summary: ARM has instructions to move data directly between the fpu and integer registers.
Reviewed-by: kvn, never

diff -r 7588156f5cf9 -r c2d3caa64b3e src/share/vm/opto/matcher.cpp
--- a/src/share/vm/opto/matcher.cpp	Mon Sep 05 17:09:05 2011 -0700
+++ b/src/share/vm/opto/matcher.cpp	Wed Sep 07 09:35:52 2011 +0200
@@ -501,6 +501,12 @@
      idealreg2spillmask[Op_RegP]->OR(*idealreg2regmask[Op_RegD]);
 #else
      idealreg2spillmask[Op_RegP]->OR(*idealreg2regmask[Op_RegF]);
+#ifdef ARM
+     // ARM has support for moving 64bit values between a pair of
+     // integer registers and a double register
+     idealreg2spillmask[Op_RegL]->OR(*idealreg2regmask[Op_RegD]);
+     idealreg2spillmask[Op_RegD]->OR(*idealreg2regmask[Op_RegL]);
+#endif
 #endif
    }