gas/
* tc-xgate.c (md_begin): Refactored code.
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0c56f59b40
commit
19f55fe4ff
1 changed files with 26 additions and 30 deletions
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@ -49,7 +49,9 @@ const char FLT_CHARS[] = "dD";
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/* This macro has no side-effects. */
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#define ENCODE_RELAX(what,length) (((what) << 2) + (length))
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/* what this is */
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/* Each unique opcode name has a handle. That handle may
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contain pointers to opcodes with the same name but
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different address modes. */
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struct xgate_opcode_handle
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{
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int number_of_modes;
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@ -283,16 +285,16 @@ md_begin (void)
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struct xgate_opcode_handle *op_handles = 0;
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char *prev_op_name = 0;
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int handle_enum = 0;
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unsigned int number_of_handle_rows = 0;
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int number_of_op_handles = 0;
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int i, j = 0;
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/* Create a local copy of our opcode table
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including an extra line for NULL termination. */
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xgate_op_table = (struct xgate_opcode *)
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xmalloc ((xgate_num_opcodes + 1) * sizeof (struct xgate_opcode));
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xmalloc ((xgate_num_opcodes) * sizeof (struct xgate_opcode));
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memset (xgate_op_table, 0,
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sizeof(struct xgate_opcode) * (xgate_num_opcodes + 1));
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sizeof(struct xgate_opcode) * (xgate_num_opcodes));
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for (xgate_opcode_ptr = (struct xgate_opcode*) xgate_opcodes, i = 0;
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i < xgate_num_opcodes; i++)
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@ -303,50 +305,44 @@ md_begin (void)
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/* Calculate number of handles since this will be
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smaller than the raw number of opcodes in the table. */
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for (xgate_opcode_ptr = xgate_op_table; xgate_opcode_ptr->name;
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xgate_opcode_ptr++)
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prev_op_name = "";
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for (xgate_opcode_ptr = xgate_op_table, i = 0; i < xgate_num_opcodes;
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xgate_opcode_ptr++, i++)
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{
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if (prev_op_name != 0)
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{
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if (strcmp (prev_op_name, xgate_opcode_ptr->name))
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number_of_handle_rows++;
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}
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if (strcmp (prev_op_name, xgate_opcode_ptr->name))
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number_of_op_handles++;
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prev_op_name = xgate_opcode_ptr->name;
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}
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op_handles = (struct xgate_opcode_handle *)
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xmalloc (sizeof(struct xgate_opcode_handle) * (number_of_handle_rows + 1));
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xmalloc (sizeof(struct xgate_opcode_handle) * (number_of_op_handles));
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/* Insert opcode names into hash table, aliasing duplicates. */
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/* Insert unique opcode names into hash table, aliasing duplicates. */
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xgate_hash = hash_new ();
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prev_op_name = "";
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for (xgate_opcode_ptr = xgate_op_table, i = 0, j = 0; i < xgate_num_opcodes;
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i++, xgate_opcode_ptr++)
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i++, xgate_opcode_ptr++)
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{
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if (strcmp (prev_op_name, xgate_opcode_ptr->name) || i == 0)
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{
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handle_enum = 0;
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if (i)
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j++;
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op_handles[j].name = xgate_opcode_ptr->name;
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op_handles[j].opc0[0] = xgate_opcode_ptr;
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}
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else
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if (!strcmp (prev_op_name, xgate_opcode_ptr->name))
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{
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handle_enum++;
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op_handles[j].opc0[handle_enum] = xgate_opcode_ptr;
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}
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else
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{
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handle_enum = 0;
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if (i)
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j++;
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op_handles[j].name = xgate_opcode_ptr->name;
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op_handles[j].opc0[0] = xgate_opcode_ptr;
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hash_insert (xgate_hash, (char *) op_handles[j].name,
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(char *) &(op_handles[j]));
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}
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op_handles[j].number_of_modes = handle_enum;
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prev_op_name = op_handles[j].name;
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}
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for (i = 1; i < (int)number_of_handle_rows; i++)
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{
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hash_insert (xgate_hash, op_handles->name, (char *) op_handles);
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op_handles++;
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}
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if (flag_print_opcodes == 1)
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xgate_print_table ();
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}
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