X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=opcodes%2Flm32-ibld.c;h=784acc02be43343e0c1b2243d1a519e876bf00d1;hb=744ce3025e82a59c13642c57e38febd8ff531f9b;hp=9a1f8bbae076512f6dc1ac7ba648ba64cf6333e9;hpb=b7cd1872af07e11e50368d40505ef8b57e192bcc;p=deliverable%2Fbinutils-gdb.git

diff --git a/opcodes/lm32-ibld.c b/opcodes/lm32-ibld.c
index 9a1f8bbae0..784acc02be 100644
--- a/opcodes/lm32-ibld.c
+++ b/opcodes/lm32-ibld.c
@@ -3,8 +3,7 @@
    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) 1996-2016 Free Software Foundation, Inc.
 
    This file is part of libopcodes.
 
@@ -155,7 +154,7 @@ 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 +192,7 @@ 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 +207,19 @@ 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);
   }
 
@@ -740,12 +746,12 @@ lm32_cgen_extract_operand (CGEN_CPU_DESC cd,
   return length;
 }
 
-cgen_insert_fn * const lm32_cgen_insert_handlers[] = 
+cgen_insert_fn * const lm32_cgen_insert_handlers[] =
 {
   insert_insn_normal,
 };
 
-cgen_extract_fn * const lm32_cgen_extract_handlers[] = 
+cgen_extract_fn * const lm32_cgen_extract_handlers[] =
 {
   extract_insn_normal,
 };