[Bug target/23983] the altivec builtins should be marked as pure/const

[pinskia at gcc dot gnu dot org]

------- Comment #7 from pinskia at gcc dot gnu dot org  2008-03-12 20:42 -------
So what is happening is we don't model the SAT bit of VSCR on the tree level
(in the builtins) so the saturated builtins cannot be marked as const.  They
are modeled correctly at the RTL level though.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23983