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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/adlc/filebuff.hpp
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@ -51,6 +51,7 @@ class FileBuff {
int _err; // Error flag for file seek/read operations
long _filepos; // Current offset from start of file
int _linenum;
ArchDesc& _AD; // Reference to Architecture Description
@ -66,6 +67,7 @@ class FileBuff {
// This returns a pointer to the start of the current line in the buffer,
// and increments bufeol and filepos to point at the end of that line.
char *get_line(void);
int linenum() const { return _linenum; }
// This converts a pointer into the buffer to a file offset. It only works
// when the pointer is valid (i.e. just obtained from getline()).