[PATCH] fix rtl enable-check faikure combine.c:simplify_shift_const

[Graham Stott]

All,

The attached patch fixes a rtl-checking failure in combine.c:simplify_shift_const
that's a fallout from

2004-01-30  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

         * combine.c (simplify_shift_const, case XOR): Be careful when
         commuting XOR with ASHIFTRT.

Bootstrapped i686-pc-linux-gnu all languages no regressions

Also builth8300-elf, xscale-elf, mn10300-elf crosses no regression

Graham

ChangeLog

2004-05-31  Graham Stott  <graham.stott@btinternet.com>

	* combine.c(simplify_shift_const): Check shift amount is a
	CONST_INT.
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