[gnu.gcc.bug] Better code generated with -fno-function-cse despite documentation

piet@cs.ruu.nl (Piet van Oostrum) (11/15/89)

In article <8911102301.AA03955@deng>, eb@LUCID (Eric Benson) writes:
 `
 `However, I have found at least one example of a function that actually
 `runs faster with -fno-function-cse that without.  This is the famous
 `
 `It looks like it might be preferable for -fno-function-cse to be the
 `default, at least in the case when a PC-relative call can be used.
 `
This is also true on the Harris HCX computers (tahoe clones). On this
machine a call with a PC-rel address is about 4 times as fast as one with
an indirect register.
-- 
Piet* van Oostrum, Dept of Computer Science, University of Utrecht
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