[gcc(refs/vendors/vrull/heads/slp-improvements)] Fix signedness warnings in aarch64_evpc_ins_uzp

[Philipp Tomsich]

https://gcc.gnu.org/g:313febe010385fe9dbca0af3611a84cfec650af6

commit 313febe010385fe9dbca0af3611a84cfec650af6
Author: Manolis Tsamis <manolis.tsamis@vrull.eu>
Date:   Fri Nov 24 10:12:53 2023 +0100

    Fix signedness warnings in aarch64_evpc_ins_uzp
    
    Ref #344

Diff:
---
 gcc/config/aarch64/aarch64.cc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/gcc/config/aarch64/aarch64.cc b/gcc/config/aarch64/aarch64.cc
index 7ae94091b7e..14b9a9d860e 100644
--- a/gcc/config/aarch64/aarch64.cc
+++ b/gcc/config/aarch64/aarch64.cc
@@ -25846,15 +25846,15 @@ aarch64_evpc_ins_uzp (struct expand_vec_perm_d *d)
     return false;
 
   /* We have a {A, B, A, B} permutation.  */
-  HOST_WIDE_INT A = d->perm[0].to_constant ();
-  HOST_WIDE_INT B = d->perm[1].to_constant ();
+  unsigned HOST_WIDE_INT A = d->perm[0].to_constant ();
+  unsigned HOST_WIDE_INT B = d->perm[1].to_constant ();
 
   if (A >= nelt || B < nelt || d->op0 == d->op1)
     return false;
 
   rtx insv;
   rtx extractv;
-  HOST_WIDE_INT idx, extractindex;
+  unsigned HOST_WIDE_INT idx, extractindex;
 
   /* If A is the first element or B is the second element of a UZP1/2 then we
      can emit this permute as INS + UZP .  */