* config/tc-mn10300.c (md_pseudo_table): Add ".am33" pseudo-op.

        (r_registers, xr_registers): Define.
        (r_register_name, xr_register_name): New functions.
        (md_assemble): Handle new am33 operand types and instruction
        formats.
        (mn10300_insert_operand, check_operand): Likewise.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 384aae8c7e854a2ea6891fd1900fdeb01ca1788c..72f884496a0c7ced2fd626b29cfdb07eca1b90f4 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,12 @@
+Tue Nov 30 22:59:00 1999  Jeffrey A Law  (law@cygnus.com)
+
+       * config/tc-mn10300.c (md_pseudo_table): Add ".am33" pseudo-op.
+       (r_registers, xr_registers): Define.
+       (r_register_name, xr_register_name): New functions.
+       (md_assemble): Handle new am33 operand types and instruction
+       formats.
+       (mn10300_insert_operand, check_operand): Likewise.
+
 1999-11-29  Nick Clifton  <nickc@cygnus.com>
 
        * config/tc-arm.c (thumb_mode): Turn into a tristate variable.

diff --git a/gas/config/tc-mn10300.c b/gas/config/tc-mn10300.c
index 4f146d13e5bdae5bafe59694b2f109e27f922f6b..e0076f4f2fb815384a98934aeb9b794d808cd596 100644 (file)
--- a/gas/config/tc-mn10300.c
+++ b/gas/config/tc-mn10300.c
@@ -119,6 +119,7 @@ size_t md_longopts_size = sizeof(md_longopts);
 const pseudo_typeS md_pseudo_table[] =
 {
   { "am30",    set_arch_mach,          300 },
+  { "am33",    set_arch_mach,          330 },
   { "mn10300", set_arch_mach,          300 },
   {NULL, 0, 0}
 };
@@ -145,6 +146,77 @@ static const struct reg_name address_registers[] =
 };
 #define ADDRESS_REG_NAME_CNT   (sizeof(address_registers) / sizeof(struct reg_name))
 
+static const struct reg_name r_registers[] =
+{
+  { "a0", 8 },
+  { "a1", 9 },
+  { "a2", 10 },
+  { "a3", 11 },
+  { "d0", 12 },
+  { "d1", 13 },
+  { "d2", 14 },
+  { "d3", 15 },
+  { "e0", 0 },
+  { "e1", 1 },
+  { "e10", 10 },
+  { "e11", 11 },
+  { "e12", 12 },
+  { "e13", 13 },
+  { "e14", 14 },
+  { "e15", 15 },
+  { "e2", 2 },
+  { "e3", 3 },
+  { "e4", 4 },
+  { "e5", 5 },
+  { "e6", 6 },
+  { "e7", 7 },
+  { "e8", 8 },
+  { "e9", 9 },
+  { "r0", 0 },
+  { "r1", 1 },
+  { "r10", 10 },
+  { "r11", 11 },
+  { "r12", 12 },
+  { "r13", 13 },
+  { "r14", 14 },
+  { "r15", 15 },
+  { "r2", 2 },
+  { "r3", 3 },
+  { "r4", 4 },
+  { "r5", 5 },
+  { "r6", 6 },
+  { "r7", 7 },
+  { "r8", 8 },
+  { "r9", 9 },
+};
+#define R_REG_NAME_CNT (sizeof(r_registers) / sizeof(struct reg_name))
+
+static const struct reg_name xr_registers[] =
+{
+  { "mcrh", 2 },
+  { "mcrl", 3 },
+  { "mcvf", 4 },
+  { "mdrq", 1 },
+  { "sp", 0 },
+  { "xr0", 0 },
+  { "xr1", 1 },
+  { "xr10", 10 },
+  { "xr11", 11 },
+  { "xr12", 12 },
+  { "xr13", 13 },
+  { "xr14", 14 },
+  { "xr15", 15 },
+  { "xr2", 2 },
+  { "xr3", 3 },
+  { "xr4", 4 },
+  { "xr5", 5 },
+  { "xr6", 6 },
+  { "xr7", 7 },
+  { "xr8", 8 },
+  { "xr9", 9 },
+};
+#define XR_REG_NAME_CNT        (sizeof(xr_registers) / sizeof(struct reg_name))
+
 
 static const struct reg_name other_registers[] =
 {
@@ -186,6 +258,97 @@ reg_name_search (regs, regcount, name)
 }
 
 
+/* Summary of register_name().
+ *
+ * in: Input_line_pointer points to 1st char of operand.
+ *
+ * out: A expressionS.
+ *     The operand may have been a register: in this case, X_op == O_register,
+ *     X_add_number is set to the register number, and truth is returned.
+ *     Input_line_pointer->(next non-blank) char after operand, or is in
+ *     its original state.
+ */
+static boolean
+r_register_name (expressionP)
+     expressionS *expressionP;
+{
+  int reg_number;
+  char *name;
+  char *start;
+  char c;
+
+  /* Find the spelling of the operand */
+  start = name = input_line_pointer;
+
+  c = get_symbol_end ();
+  reg_number = reg_name_search (r_registers, R_REG_NAME_CNT, name);
+
+  /* look to see if it's in the register table */
+  if (reg_number >= 0) 
+    {
+      expressionP->X_op = O_register;
+      expressionP->X_add_number = reg_number;
+
+      /* make the rest nice */
+      expressionP->X_add_symbol = NULL;
+      expressionP->X_op_symbol = NULL;
+      *input_line_pointer = c; /* put back the delimiting char */
+      return true;
+    }
+  else
+    {
+      /* reset the line as if we had not done anything */
+      *input_line_pointer = c;   /* put back the delimiting char */
+      input_line_pointer = start; /* reset input_line pointer */
+      return false;
+    }
+}
+
+/* Summary of register_name().
+ *
+ * in: Input_line_pointer points to 1st char of operand.
+ *
+ * out: A expressionS.
+ *     The operand may have been a register: in this case, X_op == O_register,
+ *     X_add_number is set to the register number, and truth is returned.
+ *     Input_line_pointer->(next non-blank) char after operand, or is in
+ *     its original state.
+ */
+static boolean
+xr_register_name (expressionP)
+     expressionS *expressionP;
+{
+  int reg_number;
+  char *name;
+  char *start;
+  char c;
+
+  /* Find the spelling of the operand */
+  start = name = input_line_pointer;
+
+  c = get_symbol_end ();
+  reg_number = reg_name_search (xr_registers, XR_REG_NAME_CNT, name);
+
+  /* look to see if it's in the register table */
+  if (reg_number >= 0) 
+    {
+      expressionP->X_op = O_register;
+      expressionP->X_add_number = reg_number;
+
+      /* make the rest nice */
+      expressionP->X_add_symbol = NULL;
+      expressionP->X_op_symbol = NULL;
+      *input_line_pointer = c; /* put back the delimiting char */
+      return true;
+    }
+  else
+    {
+      /* reset the line as if we had not done anything */
+      *input_line_pointer = c;   /* put back the delimiting char */
+      input_line_pointer = start; /* reset input_line pointer */
+      return false;
+    }
+}
 
 /* Summary of register_name().
  *
@@ -854,6 +1017,110 @@ md_assemble (str)
              *input_line_pointer = c;
              goto keep_going;
            }
+         else if (operand->flags & MN10300_OPERAND_RREG)
+           {
+             if (!r_register_name (&ex))
+               {
+                 input_line_pointer = hold;
+                 str = hold;
+                 goto error;
+               }
+           }
+         else if (operand->flags & MN10300_OPERAND_XRREG)
+           {
+             if (!xr_register_name (&ex))
+               {
+                 input_line_pointer = hold;
+                 str = hold;
+                 goto error;
+               }
+           }
+         else if (operand->flags & MN10300_OPERAND_USP)
+           {
+             char *start = input_line_pointer;
+             char c = get_symbol_end ();
+
+             if (strcasecmp (start, "usp") != 0)
+               {
+                 *input_line_pointer = c;
+                 input_line_pointer = hold;
+                 str = hold;
+                 goto error;
+               }
+             *input_line_pointer = c;
+             goto keep_going;
+           }
+         else if (operand->flags & MN10300_OPERAND_SSP)
+           {
+             char *start = input_line_pointer;
+             char c = get_symbol_end ();
+
+             if (strcasecmp (start, "ssp") != 0)
+               {
+                 *input_line_pointer = c;
+                 input_line_pointer = hold;
+                 str = hold;
+                 goto error;
+               }
+             *input_line_pointer = c;
+             goto keep_going;
+           }
+         else if (operand->flags & MN10300_OPERAND_MSP)
+           {
+             char *start = input_line_pointer;
+             char c = get_symbol_end ();
+
+             if (strcasecmp (start, "msp") != 0)
+               {
+                 *input_line_pointer = c;
+                 input_line_pointer = hold;
+                 str = hold;
+                 goto error;
+               }
+             *input_line_pointer = c;
+             goto keep_going;
+           }
+         else if (operand->flags & MN10300_OPERAND_PC)
+           {
+             char *start = input_line_pointer;
+             char c = get_symbol_end ();
+
+             if (strcasecmp (start, "pc") != 0)
+               {
+                 *input_line_pointer = c;
+                 input_line_pointer = hold;
+                 str = hold;
+                 goto error;
+               }
+             *input_line_pointer = c;
+             goto keep_going;
+           }
+         else if (operand->flags & MN10300_OPERAND_EPSW)
+           {
+             char *start = input_line_pointer;
+             char c = get_symbol_end ();
+
+             if (strcasecmp (start, "epsw") != 0)
+               {
+                 *input_line_pointer = c;
+                 input_line_pointer = hold;
+                 str = hold;
+                 goto error;
+               }
+             *input_line_pointer = c;
+             goto keep_going;
+           }
+         else if (operand->flags & MN10300_OPERAND_PLUS)
+           {
+             if (*input_line_pointer != '+')
+               {
+                 input_line_pointer = hold;
+                 str = hold;
+                 goto error;
+               }
+             input_line_pointer++;
+             goto keep_going;
+           }
          else if (operand->flags & MN10300_OPERAND_PSW)
            {
              char *start = input_line_pointer;
@@ -940,6 +1207,30 @@ md_assemble (str)
                      value |= 0x08;
                      *input_line_pointer = c;
                    }
+                 else if (current_machine == 330
+                          && strcasecmp (start, "exreg0") == 0)
+                   {
+                     value |= 0x04;
+                     *input_line_pointer = c;
+                   }
+                 else if (current_machine == 330
+                          && strcasecmp (start, "exreg1") == 0)
+                   {
+                     value |= 0x02;
+                     *input_line_pointer = c;
+                   }
+                 else if (current_machine == 330
+                          && strcasecmp (start, "exother") == 0)
+                   {
+                     value |= 0x01;
+                     *input_line_pointer = c;
+                   }
+                 else if (current_machine == 330
+                          && strcasecmp (start, "all") == 0)
+                   {
+                     value |= 0xff;
+                     *input_line_pointer = c;
+                   }
                  else
                    {
                      input_line_pointer = hold;
@@ -971,6 +1262,18 @@ md_assemble (str)
              str = hold;
              goto error;
            }
+         else if (r_register_name (&ex))
+           {
+             input_line_pointer = hold;
+             str = hold;
+             goto error;
+           }
+         else if (xr_register_name (&ex))
+           {
+             input_line_pointer = hold;
+             str = hold;
+             goto error;
+           }
          else if (*str == ')' || *str == '(')
            {
              input_line_pointer = hold;
@@ -995,6 +1298,7 @@ md_assemble (str)
                int mask;
 
                mask = MN10300_OPERAND_DREG | MN10300_OPERAND_AREG;
+               mask |= MN10300_OPERAND_RREG | MN10300_OPERAND_XRREG;
                if ((operand->flags & mask) == 0)
                  {
                    input_line_pointer = hold;
@@ -1011,6 +1315,10 @@ md_assemble (str)
                         || opcode->format == FMT_S6
                         || opcode->format == FMT_D5)
                  extra_shift = 16;
+               else if (opcode->format == FMT_D7)
+                 extra_shift = 8;
+               else if (opcode->format == FMT_D8 || opcode->format == FMT_D9)
+                 extra_shift = 8;
                else
                  extra_shift = 0;
              
@@ -1138,6 +1446,17 @@ keep_going:
   if (opcode->format == FMT_S2 || opcode->format == FMT_D1)
     size = 3;
 
+  if (opcode->format == FMT_D6)
+    size = 3;
+
+  if (opcode->format == FMT_D7 || opcode->format == FMT_D10)
+    size = 4;
+
+  if (opcode->format == FMT_D8)
+    size = 6;
+
+  if (opcode->format == FMT_D9)
+    size = 7;
 
   if (opcode->format == FMT_S4)
     size = 5;
@@ -1222,6 +1541,9 @@ keep_going:
       if (opcode->format == FMT_S0
          || opcode->format == FMT_S1
          || opcode->format == FMT_D0
+         || opcode->format == FMT_D6
+         || opcode->format == FMT_D7
+         || opcode->format == FMT_D10
          || opcode->format == FMT_D1)
        {
          number_to_chars_bigendian (f, insn, size);
@@ -1296,6 +1618,19 @@ keep_going:
          number_to_chars_littleendian (f + 2, temp, 4);
          number_to_chars_bigendian (f + 6, extension & 0xff, 1);
        }
+      else if (opcode->format == FMT_D8)
+       {
+          unsigned long temp = ((insn & 0xff) << 16) | (extension & 0xffff);
+          number_to_chars_bigendian (f, (insn >> 8) & 0xffffff, 3);
+          number_to_chars_bigendian (f + 3, (temp & 0xff), 1);
+          number_to_chars_littleendian (f + 4, temp >> 8, 2);
+       }
+      else if (opcode->format == FMT_D9)
+       {
+          unsigned long temp = ((insn & 0xff) << 24) | (extension & 0xffffff);
+          number_to_chars_bigendian (f, (insn >> 8) & 0xffffff, 3);
+          number_to_chars_littleendian (f + 3, temp, 4);
+       }
 
       /* Create any fixups.  */
       for (i = 0; i < fc; i++)
@@ -1336,6 +1671,8 @@ keep_going:
                 implicitly 32bits.  */
              if ((operand->flags & MN10300_OPERAND_SPLIT) != 0)
                reloc_size = 32;
+             else if ((operand->flags & MN10300_OPERAND_24BIT) != 0)
+               reloc_size = 24;
              else
                reloc_size = operand->bits;
 
@@ -1544,6 +1881,8 @@ mn10300_insert_operand (insnp, extensionp, operand, val, file, line, shift)
       int bits;
 
       bits = operand->bits;
+      if (operand->flags & MN10300_OPERAND_24BIT)
+       bits = 24;
 
       if ((operand->flags & MN10300_OPERAND_SIGNED) != 0)
        {
@@ -1579,6 +1918,12 @@ mn10300_insert_operand (insnp, extensionp, operand, val, file, line, shift)
       *extensionp |= ((val & ((1 << (32 - operand->bits)) - 1))
                      << operand->shift);
     }
+  else if ((operand->flags & MN10300_OPERAND_24BIT) != 0)
+    {
+      *insnp |= (val >> (24 - operand->bits)) & ((1 << operand->bits) - 1);
+      *extensionp |= ((val & ((1 << (24 - operand->bits)) - 1))
+                     << operand->shift);
+    }
   else if ((operand->flags & MN10300_OPERAND_EXTENDED) == 0)
     {
       *insnp |= (((long) val & ((1 << operand->bits) - 1))
@@ -1615,6 +1960,8 @@ check_operand (insn, operand, val)
       int bits;
 
       bits = operand->bits;
+      if (operand->flags & MN10300_OPERAND_24BIT)
+       bits = 24;
 
       if ((operand->flags & MN10300_OPERAND_SIGNED) != 0)
        {