26. M680x0 Dependent Features.................................................................................................... 151

26.1. M680x0 Options .......................................................................................................... 151

26.2. Syntax .......................................................................................................................... 153

26.3. Motorola Syntax........................................................................................................... 154

26.4. Floating Point............................................................................................................... 155

26.5. 680x0 Machine Directives ........................................................................................... 156

26.6. Opcodes........................................................................................................................ 156

26.6.1. Branch Improvement..................................................................................... 156

26.6.2. Special Characters......................................................................................... 158

27. M68HC11 and M68HC12 Dependent Features ..................................................................... 159

27.1. M68HC11 and M68HC12 Options.............................................................................. 159

27.2. Syntax .......................................................................................................................... 160

27.3. Symbolic Operand Modifiers....................................................................................... 161

27.4. Assembler Directives ................................................................................................... 162

27.5. Floating Point............................................................................................................... 163

27.6. Opcodes........................................................................................................................ 163

27.6.1. Branch Improvement..................................................................................... 163

28. Motorola M88K Dependent Features...................................................................................... 165

28.1. M88K Machine Directives........................................................................................... 165

29. MIPS Dependent Features ....................................................................................................... 167

29.1. Assembler options........................................................................................................ 167

29.2. MIPS ECOFF object code ........................................................................................... 169

29.3. Directives for debugging information.......................................................................... 170

29.4. Directives to override the ISA level ............................................................................. 170

29.5. Directives for extending MIPS 16 bit instructions....................................................... 170

29.6. Directive to mark data as an instruction....................................................................... 170

29.7. Directives to save and restore options.......................................................................... 170

29.8. Directives to control generation of MIPS ASE instructions ........................................ 171

30. MMIX Dependent Features ..................................................................................................... 173

30.1. Command line Options................................................................................................ 173

30.2. Instruction expansion ................................................................................................... 173

30.3. Syntax .......................................................................................................................... 174

30.3.1. Special Characters......................................................................................... 174

30.3.2. Symbols ........................................................................................................ 174

30.3.3. Register names .............................................................................................. 175

30.3.4. Assembler Directives .................................................................................... 175

30.4. Differences to

mmixal

................................................................................................. 177

31. MSP 430 Dependent Features .................................................................................................. 181

31.1. Options......................................................................................................................... 181

31.2. Syntax .......................................................................................................................... 181

31.2.1. Macros........................................................................................................... 181

31.2.2. Special Characters......................................................................................... 181

31.2.3. Register Names ............................................................................................. 181

31.2.4. Assembler Extensions................................................................................... 182

31.3. Floating Point............................................................................................................... 183

31.4. MSP 430 Machine Directives ...................................................................................... 183

31.5. Opcodes........................................................................................................................ 183

31.6. Profiling Capability...................................................................................................... 183