Re: [PATCH] Fix PR 110386: backprop vs ABSU_EXPR

2023-09-24 Thread Richard Biener
> Am 24.09.2023 um 17:24 schrieb Andrew Pinski : > > The issue here is that when backprop tries to go > and strip sign ops, it skips over ABSU_EXPR but > ABSU_EXPR not only does an ABS, it also changes the > type to unsigned. > Since strip_sign_op_1 is only supposed to strip off > sign changin

[PATCH] Fix PR 110386: backprop vs ABSU_EXPR

2023-09-24 Thread Andrew Pinski
The issue here is that when backprop tries to go and strip sign ops, it skips over ABSU_EXPR but ABSU_EXPR not only does an ABS, it also changes the type to unsigned. Since strip_sign_op_1 is only supposed to strip off sign changing operands and not ones that change types, removing ABSU_EXPR here i