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Re: 64-bit powerpc compare with constant problem
- To: Gabriel Paubert <paubert at iram dot es>
- Subject: Re: 64-bit powerpc compare with constant problem
- From: David Edelsohn <dje at watson dot ibm dot com>
- Date: Fri, 18 Feb 2000 21:46:20 -0500
- cc: Geoff Keating <geoffk at cygnus dot com>, gcc-patches at gcc dot gnu dot org
I added the ChangeLog entry which had been omitted and removed the
mfcr+shift pattern which does not match a simple 64-bit instruction
sequence.
The rs6000 machine description is not going to get any simpler,
but code generation is going to improve. Although PowerPC is RISC, it has
a very rich set of optimizations which take a lot of space to describe to
GCC.
David