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[Bug target/14326] boehm-gc hardcodes to 3DNow! prefetch for x86_64


------- Additional Comments From hjl at lucon dot org  2004-02-27 18:55 -------
__builtin_prefetch will generate the appropriate instruction for
target CPU.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14326


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