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diff src/share/vm/opto/c2_globals.hpp @ 1730:f55c4f82ab9d

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6978249: spill between cpu and fpu registers when those moves are fast Reviewed-by: kvn
author never
date Thu, 19 Aug 2010 14:51:47 -0700
parents 0e35fa8ebccd
children d6f45b55c972
line wrap: on
line diff
--- a/src/share/vm/opto/c2_globals.hpp	Wed Aug 18 01:22:16 2010 -0700
+++ b/src/share/vm/opto/c2_globals.hpp	Thu Aug 19 14:51:47 2010 -0700
@@ -178,6 +178,9 @@
   product(bool, ReduceBulkZeroing, true,                                    \
           "When bulk-initializing, try to avoid needless zeroing")          \
                                                                             \
+  product(bool, UseFPUForSpilling, false,                                   \
+          "Spill integer registers to FPU instead of stack when possible")  \
+                                                                            \
   develop_pd(intx, RegisterCostAreaRatio,                                   \
           "Spill selection in reg allocator: scale area by (X/64K) before " \
           "adding cost")                                                    \