Re: [PATCH] make two combine functions more simplify_rtx-like

This was meant for gcc-patches of course, sorry. http://gcc.gnu.org/ml/gcc/2005-12/msg00633.html Paolo

[PATCH] make two combine functions more simplify_rtx-like

This patch splits simplify_and_const_int and simplify_shift_const into two functions (each): one that tries to simplify and returns NULL_RTX if it cannot produce anything, and one that has the same calling convention as before. In the meanwhile, I made them produce new RTXen instead of substituti