"Kim, Eunchan" <helpbygrace@xxxxxxxxx> writes: > (insn 81 80 0 ../../../../sdk/gcc-4.3.3/libgcc/../gcc/unwind-dw2.c:1503 > (parallel [ > (set (mem:BLK (reg/v/f:SI 43 [ c ]) [0 S4 A8]) > (unspec:BLK [ > (reg:SI 75) > (mem:QI (reg/v/f:SI 43 [ c ]) [0 S1 A8]) > (mem:BLK (reg/v/f:SI 43 [ c ]) [0 S4 A8]) > ] 21)) > (clobber (scratch:SI)) > ]) -1 (nil)) Where did this insn come from? (clobber (scratch:SI)) is something one might see in a reload insn pattern, but it shouldn't be in a normal insn patter. If you are trying to write an insn which does a memory copy and needs a scratch register, then you need to use a define_expand which calls gen_reg_rtx. Ian
