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8. Machine Dependent Features

The machine instruction sets are (almost by definition) different on each machine where as runs. Floating point representations vary as well, and as often supports a few additional directives or command-line options for compatibility with other assemblers on a particular platform. Finally, some versions of as support special pseudo-instructions for branch optimization.

This chapter discusses most of these differences, though it does not include details on any machine's instruction set. For details on that subject, see the hardware manufacturer's manual.

8.2 AMD 29K Dependent Features
8.1 ARC Dependent Features
8.3 ARM Dependent Features
8.4 D10V Dependent Features
8.5 H8/300 Dependent Features		Hitachi H8/300 Dependent Features
8.6 H8/500 Dependent Features		Hitachi H8/500 Dependent Features
8.7 HPPA Dependent Features
8.8 80386 Dependent Features		Intel 80386 Dependent Features
8.9 Intel 80960 Dependent Features
8.10 M680x0 Dependent Features
8.11 MIPS Dependent Features
8.12 Hitachi SH Dependent Features
8.13 SPARC Dependent Features
8.16 v850 Dependent Features		V850 Dependent Features
8.14 Z8000 Dependent Features
8.15 VAX Dependent Features