[patch] Fix for postreload

[Chung-Lin Tang]

Hi,
this patch is a fix for the move2add transform in the postreload pass; 
reg_symbol_ref[] was not checked together for some reg_base_reg[] < 0 cases.

This was tested to fix a few gcc.dg/torture/fp-int-convert-* execution 
FAIL cases on trunk for ARM, with no other regressions.

Ok for trunk?

Thanks,
Chung-Lin

2010-09-13  Chung-Lin Tang  <cltang@codesourcery.com>

	* postreload.c (move2add_note_store): Add reg_symbol_ref[]
	checks to update conditions.

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