X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Fxtensa-isa.c;h=bc55d71360ff5339183e852d3b0529e96c348756;hb=af2d5cd8e9f81832b04af6cd0e51def4065bbf71;hp=cf5543ebcdc33f811178a6b466255c69470d2d92;hpb=68ffbac672c0d7f2566e715f878e65ed9b44795f;p=deliverable%2Fbinutils-gdb.git

diff --git a/bfd/xtensa-isa.c b/bfd/xtensa-isa.c
index cf5543ebcd..bc55d71360 100644
--- a/bfd/xtensa-isa.c
+++ b/bfd/xtensa-isa.c
@@ -1,5 +1,5 @@
 /* Configurable Xtensa ISA support.
-   Copyright 2003, 2004, 2005, 2007, 2008, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2003-2020 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -223,7 +223,7 @@ xtensa_insnbuf_from_chars (xtensa_isa isa,
       int word_inx = byte_to_word_index (i);
       int bit_inx = byte_to_bit_index (i);
 
-      insn[word_inx] |= (*cp & 0xff) << bit_inx;
+      insn[word_inx] |= (unsigned) (*cp & 0xff) << bit_inx;
     }
 }
 
@@ -292,7 +292,8 @@ xtensa_isa_init (xtensa_isa_status *errno_p, char **error_msg_p)
       xtensa_sysreg_internal *sreg = &isa->sysregs[n];
       is_user = sreg->is_user;
 
-      isa->sysreg_table[is_user][sreg->number] = n;
+      if (sreg->number >= 0)
+	isa->sysreg_table[is_user][sreg->number] = n;
     }
 
   /* Set up the interface lookup table.  */