sim: warnings: fix unused variable warnings

Leave the igen code in place as it's meant to be used with newer
(to-be-written) code ported from the ppc version.

The sh code isn't really necessary as the opcodes enums have been
maintained independently from here, and the lists are out-of-sync
already.

3 files changed, 7 insertions, 76 deletions

diff --git a/sim/igen/ld-decode.c b/sim/igen/ld-decode.c
index 6edd7c8..6a2d859 100644
--- a/sim/igen/ld-decode.c
+++ b/sim/igen/ld-decode.c
@@ -61,12 +61,14 @@ static const name_map decode_combine_map[] = {
   {NULL, 0},
 };
 
+#if 0
 static const name_map decode_search_map[] = {
   {"constants", decode_find_constants},
   {"mixed", decode_find_mixed},
   {"strings", decode_find_strings},
   {NULL, decode_find_mixed},
 };
+#endif
 
 
 static void
diff --git a/sim/igen/table.c b/sim/igen/table.c
index fdca9cb..90b4102 100644
--- a/sim/igen/table.c
+++ b/sim/igen/table.c
@@ -490,7 +490,6 @@ extern void
 table_print_code (lf *file, const table_entry *entry)
 {
   int field_nr;
-  int nr = 0;
   for (field_nr = 0; field_nr < entry->nr_fields; field_nr++)
     {
       char *chp = entry->field[field_nr];
@@ -502,20 +501,20 @@ table_print_code (lf *file, const table_entry *entry)
 	  if (chp[0] == '{' && !isspace (chp[1]) && chp[1] != '\0')
 	    {
 	      in_bit_field = 1;
-	      nr += lf_putchr (file, '_');
+	      lf_putchr (file, '_');
 	    }
 	  else if (in_bit_field && chp[0] == ':')
 	    {
-	      nr += lf_putchr (file, '_');
+	      lf_putchr (file, '_');
 	    }
 	  else if (in_bit_field && *chp == '}')
 	    {
-	      nr += lf_putchr (file, '_');
+	      lf_putchr (file, '_');
 	      in_bit_field = 0;
 	    }
 	  else
 	    {
-	      nr += lf_putchr (file, *chp);
+	      lf_putchr (file, *chp);
 	    }
 	  chp++;
 	}
@@ -525,7 +524,7 @@ table_print_code (lf *file, const table_entry *entry)
 	  line.line_nr += field_nr;
 	  error (&line, "Bit field brace miss match\n");
 	}
-      nr += lf_putchr (file, '\n');
+      lf_putchr (file, '\n');
     }
 }
 
diff --git a/sim/sh/gencode.c b/sim/sh/gencode.c
index 8246e894..b00a16a 100644
--- a/sim/sh/gencode.c
+++ b/sim/sh/gencode.c
@@ -2468,76 +2468,6 @@ static op ppi_tab[] =
   {0, 0}
 };
 
-/* Tables of things to put into enums for sh-opc.h */
-static
-const char * const nibble_type_list[] =
-{
-  "HEX_0",
-  "HEX_1",
-  "HEX_2",
-  "HEX_3",
-  "HEX_4",
-  "HEX_5",
-  "HEX_6",
-  "HEX_7",
-  "HEX_8",
-  "HEX_9",
-  "HEX_A",
-  "HEX_B",
-  "HEX_C",
-  "HEX_D",
-  "HEX_E",
-  "HEX_F",
-  "REG_N",
-  "REG_M",
-  "BRANCH_12",
-  "BRANCH_8",
-  "DISP_8",
-  "DISP_4",
-  "IMM_4",
-  "IMM_4BY2",
-  "IMM_4BY4",
-  "PCRELIMM_8BY2",
-  "PCRELIMM_8BY4",
-  "IMM_8",
-  "IMM_8BY2",
-  "IMM_8BY4",
-  0
-};
-static
-const char * const arg_type_list[] =
-{
-  "A_END",
-  "A_BDISP12",
-  "A_BDISP8",
-  "A_DEC_M",
-  "A_DEC_N",
-  "A_DISP_GBR",
-  "A_DISP_PC",
-  "A_DISP_REG_M",
-  "A_DISP_REG_N",
-  "A_GBR",
-  "A_IMM",
-  "A_INC_M",
-  "A_INC_N",
-  "A_IND_M",
-  "A_IND_N",
-  "A_IND_R0_REG_M",
-  "A_IND_R0_REG_N",
-  "A_MACH",
-  "A_MACL",
-  "A_PR",
-  "A_R0",
-  "A_R0_GBR",
-  "A_REG_M",
-  "A_REG_N",
-  "A_SR",
-  "A_VBR",
-  "A_SSR",
-  "A_SPC",
-  0,
-};
-
 static int
 qfunc (const void *va, const void *vb)
 {