re PR bootstrap/48230 (bootstrapping gcc-4.6.0-RC-
20110321 fails for lm32-rtems*)
PR bootstrap/48230
PR bootstrap/50927
PR bootstrap/52466
PR target/46898
* config/lm32/lm32.c (lm32_legitimate_constant_p): Remove, as incorrect.
(TARGET_LEGITIMATE_CONSTANT_P): Undefine, as not needed.
* config/lm32/lm32.md (movsi_insn): Add 32-bit immediate support.
(simple_return, *simple_return): New patterns
* config/lm32/predicates.md (movsi_rhs_operand): Remove as obsolete.
* configure.ac (force_sjlj_exceptions): Force sjlj exceptions for lm32.
From-SVN: r208260