kumquat-buildroot/toolchain/gcc/4.2.2-avr32-2.1.5/903-avr32-fix-removal-of-redundant-cast-operations.patch

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Index: trunk/gcc/config/avr32/avr32.c
===================================================================
--- trunk/gcc/config/avr32/avr32.c (revision 43495)
+++ trunk/gcc/config/avr32/avr32.c (revision 43496)
@@ -6499,6 +6499,11 @@
break;
}
+ /* Check if we have a call and the register is used as an argument. */
+ if (CALL_P (scan)
+ && find_reg_fusage (scan, USE, reg) )
+ break;
+
if (!reg_mentioned_p (reg, PATTERN (scan)))
continue;