[PATCH] sh64: prepare_move_operand fix

[Clarke, Stephen]

The attached file contains a patch for sh64 that prevents
prepare_move_operand from calling target_reg_operand when
compiling for a target that does not have branch target
registers.

There isn't currently a problem, as target_reg_operand
happens to return false for all 32-bit targets, and
the targets with branch target registers are 64-bit.
However, this seems to be accidental, and thus fragile.

Regression tested on sh-elf/sh-hms-sim and sh64-elf/sh64-sim.

Steve.
--
Stephen Clarke, Principal Engineer, SuperH Inc.
Phone:1-408-273-3146, Fax:1-408-273-3199, mailto:Stephen.Clarke@superh.com
Mail:  SuperH Inc., 405 River Oaks Pkwy, San Jose, CA 95134, USA.
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