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r168927 - in /trunk/gcc: ChangeLog config/rx/pr...


Author: rth
Date: Mon Jan 17 18:16:39 2011
New Revision: 168927

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=168927
Log:
rx: Rewrite the bit manipulation patterns.

The patterns represented with ashift 1 canonically need to have
the ashift as the first operand of the logical operation.

Leave insv represented as a zero_extract store.
Implement a variable store to a 1 bit field as tst+bmne.
Implement a variable store of a condition into a 1 bit field with bmcc.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/rx/predicates.md
    trunk/gcc/config/rx/rx-protos.h
    trunk/gcc/config/rx/rx.c
    trunk/gcc/config/rx/rx.md


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