(as) Machine Dependencies

 
 9 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.

 
 
* Alpha-Dependent             Alpha Dependent Features
 
* ARC-Dependent               ARC Dependent Features
 
* ARM-Dependent               ARM Dependent Features
 
* AVR-Dependent               AVR Dependent Features
 
* Blackfin-Dependent          Blackfin Dependent Features
 
* CR16-Dependent              CR16 Dependent Features
 
* CRIS-Dependent              CRIS Dependent Features
 
* D10V-Dependent              D10V Dependent Features
 
* D30V-Dependent              D30V Dependent Features
 
* H8/300-Dependent            Renesas H8/300 Dependent Features
 
* HPPA-Dependent              HPPA Dependent Features
 
* ESA/390-Dependent           IBM ESA/390 Dependent Features
 
* i386-Dependent              Intel 80386 and AMD x86-64 Dependent Features
 
* i860-Dependent              Intel 80860 Dependent Features
 
* i960-Dependent              Intel 80960 Dependent Features
 
* IA-64-Dependent             Intel IA-64 Dependent Features
 
* IP2K-Dependent              IP2K Dependent Features
 
* LM32-Dependent              LM32 Dependent Features
 
* M32C-Dependent              M32C Dependent Features
 
* M32R-Dependent              M32R Dependent Features
 
* M68K-Dependent              M680x0 Dependent Features
 
* M68HC11-Dependent           M68HC11 and 68HC12 Dependent Features
 
* MicroBlaze-Dependent        MICROBLAZE Dependent Features
 
* MIPS-Dependent              MIPS Dependent Features
 
* MMIX-Dependent              MMIX Dependent Features
 
* MSP430-Dependent            MSP430 Dependent Features
 
* SH-Dependent                Renesas / SuperH SH Dependent Features
* SH64-Dependent              SuperH SH64 Dependent Features
 
* PDP-11-Dependent            PDP-11 Dependent Features
 
* PJ-Dependent                picoJava Dependent Features
 
* PPC-Dependent               PowerPC Dependent Features
 
* S/390-Dependent             IBM S/390 Dependent Features
 
* SCORE-Dependent             SCORE Dependent Features
 
* Sparc-Dependent             SPARC Dependent Features
 
* TIC54X-Dependent            TI TMS320C54x Dependent Features
 
* V850-Dependent              V850 Dependent Features
 
* Xtensa-Dependent            Xtensa Dependent Features
 
* Z80-Dependent               Z80 Dependent Features
 
* Z8000-Dependent             Z8000 Dependent Features
 
* Vax-Dependent               VAX Dependent Features

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