Mercurial > hg > truffle
diff src/share/vm/c1/c1_LinearScan.cpp @ 20804:7848fc12602b
Merge with jdk8u40-b25
author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
---|---|
date | Tue, 07 Apr 2015 14:58:49 +0200 |
parents | 52b4284cb496 d04cb4166be7 |
children |
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--- a/src/share/vm/c1/c1_LinearScan.cpp Tue Apr 07 11:20:51 2015 +0200 +++ b/src/share/vm/c1/c1_LinearScan.cpp Tue Apr 07 14:58:49 2015 +0200 @@ -1628,25 +1628,22 @@ Interval* precolored_cpu_intervals, *not_precolored_cpu_intervals; Interval* precolored_fpu_intervals, *not_precolored_fpu_intervals; - create_unhandled_lists(&precolored_cpu_intervals, ¬_precolored_cpu_intervals, is_precolored_cpu_interval, is_virtual_cpu_interval); - if (has_fpu_registers()) { - create_unhandled_lists(&precolored_fpu_intervals, ¬_precolored_fpu_intervals, is_precolored_fpu_interval, is_virtual_fpu_interval); -#ifdef ASSERT - } else { - // fpu register allocation is omitted because no virtual fpu registers are present - // just check this again... - create_unhandled_lists(&precolored_fpu_intervals, ¬_precolored_fpu_intervals, is_precolored_fpu_interval, is_virtual_fpu_interval); - assert(not_precolored_fpu_intervals == Interval::end(), "missed an uncolored fpu interval"); -#endif - } - // allocate cpu registers + create_unhandled_lists(&precolored_cpu_intervals, ¬_precolored_cpu_intervals, + is_precolored_cpu_interval, is_virtual_cpu_interval); + + // allocate fpu registers + create_unhandled_lists(&precolored_fpu_intervals, ¬_precolored_fpu_intervals, + is_precolored_fpu_interval, is_virtual_fpu_interval); + + // the fpu interval allocation cannot be moved down below with the fpu section as + // the cpu_lsw.walk() changes interval positions. + LinearScanWalker cpu_lsw(this, precolored_cpu_intervals, not_precolored_cpu_intervals); cpu_lsw.walk(); cpu_lsw.finish_allocation(); if (has_fpu_registers()) { - // allocate fpu registers LinearScanWalker fpu_lsw(this, precolored_fpu_intervals, not_precolored_fpu_intervals); fpu_lsw.walk(); fpu_lsw.finish_allocation();