Re: [PATCH] loop-{iv,unswitch}.c fixes (PR rtl-optimization/58997)

On 11/05/13 06:09, Jakub Jelinek wrote: Hi! Apparently, for iv->extend == IV_UNKNOWN_EXTEND if iv->mode != iv->extend_mode get_iv_value returns a value in iv->mode mode, while otherwise in iv->extend_mode. This makes some sense, because with IV_UNKNOWN_EXTEND the upper bits are unknown, so ther

[PATCH] loop-{iv,unswitch}.c fixes (PR rtl-optimization/58997)

Hi! Apparently, for iv->extend == IV_UNKNOWN_EXTEND if iv->mode != iv->extend_mode get_iv_value returns a value in iv->mode mode, while otherwise in iv->extend_mode. This makes some sense, because with IV_UNKNOWN_EXTEND the upper bits are unknown, so there is nothing reasonable to return in the e