ubsan: nios2: left shift cannot be represented in type 'int'

[deliverable/binutils-gdb.git] / opcodes / mep-ibld.c

diff --git a/opcodes/mep-ibld.c b/opcodes/mep-ibld.c
index f0bbab51d7b83e538fb1d75c87fa089f94327ef5..97688cd100252a4c2914dd636b441792826015f4 100644 (file)
--- a/opcodes/mep-ibld.c
+++ b/opcodes/mep-ibld.c
@@ -1,10 +1,10 @@
+/* DO NOT EDIT!  -*- buffer-read-only: t -*- vi:set ro:  */
 /* Instruction building/extraction support for mep. -*- C -*-
 
    THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
    - the resultant file is machine generated, cgen-ibld.in isn't
 
-   Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2005, 2006, 2007,
-   2008, 2010  Free Software Foundation, Inc.
+   Copyright (C) 1996-2019 Free Software Foundation, Inc.
 
    This file is part of libopcodes.
 
@@ -138,7 +138,7 @@ insert_normal (CGEN_CPU_DESC cd,
   if (length == 0)
     return NULL;
 
-  if (word_length > 32)
+  if (word_length > 8 * sizeof (CGEN_INSN_INT))
     abort ();
 
   /* For architectures with insns smaller than the base-insn-bitsize,
@@ -155,7 +155,7 @@ insert_normal (CGEN_CPU_DESC cd,
     {
       long minval = - (1L << (length - 1));
       unsigned long maxval = mask;
-      
+
       if ((value > 0 && (unsigned long) value > maxval)
          || value < minval)
        {
@@ -193,7 +193,7 @@ insert_normal (CGEN_CPU_DESC cd,
        {
          long minval = - (1L << (length - 1));
          long maxval =   (1L << (length - 1)) - 1;
-         
+
          if (value < minval || value > maxval)
            {
              sprintf
@@ -208,12 +208,19 @@ insert_normal (CGEN_CPU_DESC cd,
 #if CGEN_INT_INSN_P
 
   {
-    int shift;
+    int shift_within_word, shift_to_word, shift;
 
+    /* How to shift the value to BIT0 of the word.  */
+    shift_to_word = total_length - (word_offset + word_length);
+
+    /* How to shift the value to the field within the word.  */
     if (CGEN_INSN_LSB0_P)
-      shift = (word_offset + start + 1) - length;
+      shift_within_word = start + 1 - length;
     else
-      shift = total_length - (word_offset + start + length);
+      shift_within_word = word_length - start - length;
+
+    /* The total SHIFT, then mask in the value.  */
+    shift = shift_to_word + shift_within_word;
     *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift);
   }
 
@@ -442,7 +449,7 @@ extract_normal (CGEN_CPU_DESC cd,
       return 1;
     }
 
-  if (word_length > 32)
+  if (word_length > 8 * sizeof (CGEN_INSN_INT))
     abort ();
 
   /* For architectures with insns smaller than the insn-base-bitsize,
@@ -469,7 +476,7 @@ extract_normal (CGEN_CPU_DESC cd,
     {
       unsigned char *bufp = ex_info->insn_bytes + word_offset / 8;
 
-      if (word_length > 32)
+      if (word_length > 8 * sizeof (CGEN_INSN_INT))
        abort ();
 
       if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0)
@@ -1202,8 +1209,9 @@ mep_cgen_insert_operand (CGEN_CPU_DESC cd,
 
     default :
       /* xgettext:c-format */
-      fprintf (stderr, _("Unrecognized field %d while building insn.\n"),
-              opindex);
+      opcodes_error_handler
+       (_("internal error: unrecognized field %d while building insn"),
+        opindex);
       abort ();
   }
 
@@ -1801,20 +1809,21 @@ mep_cgen_extract_operand (CGEN_CPU_DESC cd,
 
     default :
       /* xgettext:c-format */
-      fprintf (stderr, _("Unrecognized field %d while decoding insn.\n"),
-              opindex);
+      opcodes_error_handler
+       (_("internal error: unrecognized field %d while decoding insn"),
+        opindex);
       abort ();
     }
 
   return length;
 }
 
-cgen_insert_fn * const mep_cgen_insert_handlers[] = 
+cgen_insert_fn * const mep_cgen_insert_handlers[] =
 {
   insert_insn_normal,
 };
 
-cgen_extract_fn * const mep_cgen_extract_handlers[] = 
+cgen_extract_fn * const mep_cgen_extract_handlers[] =
 {
   extract_insn_normal,
 };
@@ -2271,8 +2280,9 @@ mep_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 
     default :
       /* xgettext:c-format */
-      fprintf (stderr, _("Unrecognized field %d while getting int operand.\n"),
-                      opindex);
+      opcodes_error_handler
+       (_("internal error: unrecognized field %d while getting int operand"),
+        opindex);
       abort ();
   }
 
@@ -2723,8 +2733,9 @@ mep_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 
     default :
       /* xgettext:c-format */
-      fprintf (stderr, _("Unrecognized field %d while getting vma operand.\n"),
-                      opindex);
+      opcodes_error_handler
+       (_("internal error: unrecognized field %d while getting vma operand"),
+        opindex);
       abort ();
   }
 
@@ -3136,8 +3147,9 @@ mep_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 
     default :
       /* xgettext:c-format */
-      fprintf (stderr, _("Unrecognized field %d while setting int operand.\n"),
-                      opindex);
+      opcodes_error_handler
+       (_("internal error: unrecognized field %d while setting int operand"),
+        opindex);
       abort ();
   }
 }
@@ -3539,8 +3551,9 @@ mep_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 
     default :
       /* xgettext:c-format */
-      fprintf (stderr, _("Unrecognized field %d while setting vma operand.\n"),
-                      opindex);
+      opcodes_error_handler
+       (_("internal error: unrecognized field %d while setting vma operand"),
+        opindex);
       abort ();
   }
 }