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From: "vries at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/104440] nvptx: FAIL: gcc.c-torture/execute/pr53465.c 
 execution test
Date: Tue, 08 Feb 2022 08:07:54 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104440

Tom de Vries <vries at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|                            |nvptx
           Keywords|                            |testsuite-fail

--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
Tentative patch that fixes example:
...
diff --git a/gcc/config/nvptx/nvptx.cc b/gcc/config/nvptx/nvptx.cc
index 5b26c0f4c7dd..4dc154434853 100644
--- a/gcc/config/nvptx/nvptx.cc
+++ b/gcc/config/nvptx/nvptx.cc
@@ -1565,6 +1565,23 @@ nvptx_declare_function_name (FILE *file, const char
*name, cons
t_tree decl)
          fprintf (file, "\t.reg%s ", nvptx_ptx_type_from_mode (mode, true)=
);
          output_reg (file, i, split, -2);
          fprintf (file, ";\n");
+         switch (mode)
+           {
+           case HImode:
+             fprintf (file, "\tmov.u16 %%r%d, 0;\n", i);
+             break;
+           case SImode:
+             fprintf (file, "\tmov.u32 %%r%d, 0;\n", i);
+             break;
+           case DImode:
+             fprintf (file, "\tmov.u64 %%r%d, 0;\n", i);
+             break;
+           case BImode:
+             fprintf (file, "\tsetp.ne.u32 %%r%d,0,0;\n", i);
+             break;
+           default:
+             gcc_unreachable ();
+           }
        }
     }

...=