vax decoding of indexed addressing mode

[deliverable/binutils-gdb.git] / opcodes / metag-dis.c

diff --git a/opcodes/metag-dis.c b/opcodes/metag-dis.c
index 60135ed052a38d3000e3e3f1e4d00c8c479c520e..e2926b315002b576c9d686af59048eca555b245e 100644 (file)
--- a/opcodes/metag-dis.c
+++ b/opcodes/metag-dis.c
@@ -1,5 +1,5 @@
 /* Disassemble Imagination Technologies Meta instructions.
-   Copyright (C) 2013-2018 Free Software Foundation, Inc.
+   Copyright (C) 2013-2019 Free Software Foundation, Inc.
    Contributed by Imagination Technologies Ltd.
 
    This library is free software; you can redistribute it and/or modify
@@ -1762,7 +1762,11 @@ print_fmmov (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED,
            const insn_template *template,
            disassemble_info *outf)
 {
-  char buf[OPERAND_WIDTH];
+  /* We used to have buf[OPERAND_WIDTH] here, but gcc v8 complains
+     about the snprintf()s below possibly truncating the output.
+     (There is no way to tell gcc that this truncation is intentional).
+     So now we use an extra wide buffer.  */
+  char buf[OPERAND_WIDTH * 2];
   char data_buf[REG_WIDTH];
   char fpu_buf[REG_WIDTH];
   bfd_boolean to_fpu = MAJOR_OPCODE (insn_word) == OPC_GET;
@@ -1783,9 +1787,9 @@ print_fmmov (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED,
                   convert_fx_rmask (rmask), is_mmovl);
 
   if (to_fpu)
-    snprintf (buf, OPERAND_WIDTH, "%s,%s", fpu_buf, data_buf);
+    snprintf (buf, sizeof buf, "%s,%s", fpu_buf, data_buf);
   else
-    snprintf (buf, OPERAND_WIDTH, "%s,%s", data_buf, fpu_buf);
+    snprintf (buf, sizeof buf, "%s,%s", data_buf, fpu_buf);
 
   print_insn (outf, "F", template->name, buf);
 }