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6754519: don't emit flag fixup for NaN when condition being tested doesn't need it

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Reviewed-by: kvn, rasbold
This commit is contained in:
Tom Rodriguez 2008-10-28 09:31:30 -07:00
parent f3a403d0d4
commit 429a95440a
16 changed files with 1125 additions and 253 deletions
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2
hotspot/src/share/vm/opto/matcher.hpp
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@ -324,7 +324,7 @@ public:
virtual int regnum_to_fpu_offset(int regnum);
// Is this branch offset small enough to be addressed by a short branch?
bool is_short_branch_offset(int offset);
bool is_short_branch_offset(int rule, int offset);
// Optional scaling for the parameter to the ClearArray/CopyArray node.
static const bool init_array_count_is_in_bytes;