URL https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk

Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [opcodes/] [crx-dis.c] - Diff between revs 157 and 225

Rev 157	Rev 225
Line 1...	Line 1...
`/* Disassembler code for CRX.`	`/* Disassembler code for CRX.`
`Copyright 2004, 2005, 2007 Free Software Foundation, Inc.`	`Copyright 2004, 2005, 2006, 2007 Free Software Foundation, Inc.`
`Contributed by Tomer Levi, NSC, Israel.`	`Contributed by Tomer Levi, NSC, Israel.`
`Written by Tomer Levi.`	`Written by Tomer Levi.`

`This file is part of the GNU opcodes library.`	`This file is part of the GNU opcodes library.`

Line 353...	Line 353...
`match_opcode (void)`	`match_opcode (void)`
`{`	`{`
`unsigned long mask;`	`unsigned long mask;`

`/* The instruction 'constant' opcode doewsn't exceed 32 bits. */`	`/* The instruction 'constant' opcode doewsn't exceed 32 bits. */`
`unsigned long doubleWord = words[1] + (words[0] << 16);`	`unsigned long doubleWord = (words[1] + (words[0] << 16)) & 0xffffffff;`

`/* Start searching from end of instruction table. */`	`/* Start searching from end of instruction table. */`
`instruction = &crx_instruction[NUMOPCODES - 2];`	`instruction = &crx_instruction[NUMOPCODES - 2];`

`/* Loop over instruction table until a full match is found. */`	`/* Loop over instruction table until a full match is found. */`