From cd64ba5a7265b5733da6b54cf72b726113dd68d8 Mon Sep 17 00:00:00 2001 From: Aldy Hernandez Date: Wed, 24 May 2023 19:53:53 +0200 Subject: [PATCH] Hash known NANs correctly for franges. We're ICEing when trying to hash a known NAN. This is unnoticeable because the only user would be IPA, and even so, it currently doesn't handle floats. However, handling floats is a flip of a switch, so it's best to handle them already. gcc/ChangeLog: * value-range.cc (add_vrange): Handle known NANs. --- gcc/value-range.cc | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/gcc/value-range.cc b/gcc/value-range.cc index 874a1843ebf6..2f37ff3e58e0 100644 --- a/gcc/value-range.cc +++ b/gcc/value-range.cc @@ -269,14 +269,14 @@ add_vrange (const vrange &v, inchash::hash &hstate, if (is_a (v)) { const frange &r = as_a (v); - if (r.varying_p ()) - hstate.add_int (VR_VARYING); + if (r.known_isnan ()) + hstate.add_int (VR_NAN); else - hstate.add_int (VR_RANGE); - - hstate.add_real_value (r.lower_bound ()); - hstate.add_real_value (r.upper_bound ()); - + { + hstate.add_int (r.varying_p () ? VR_VARYING : VR_RANGE); + hstate.add_real_value (r.lower_bound ()); + hstate.add_real_value (r.upper_bound ()); + } nan_state nan = r.get_nan_state (); hstate.add_int (nan.pos_p ()); hstate.add_int (nan.neg_p ()); -- 2.47.2