Hi, On Mon, Sep 04, 2017 at 06:36:25AM -0500, vikram1729 wrote: > We are building GCC 4.1.2 cross toolchain for our custom processor in 64 bit > OS environment. Our custom processor is 32 bit. We faced with the following > ICE. This error did not come in 32 bit OS environment and toolchain build > successfully. That compiler is over ten years old. You might want to upgrade ;-) > t.c:3: error: unrecognizable insn: > (insn 22 21 23 (set:SI (reg:SI 19 r19) > (lo_sum:SI (reg:SI 19 r19) > (const_int 4294967280 [0xfffffff0]))) -1 (nil) > (nil)) It looks like you meant -16 instead. Somewhere (could be anywhere really) you are treating the offset as an unsigned int instead of as a HOST_WIDE_INT? See where the wrong offset first appears (use -da for example), and work from there finding the problem. Good luck & have fun, Segher
