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Re: m68k-coff-gcc and NOPs

To: crossgcc at sourceware dot cygnus dot com
Subject: Re: m68k-coff-gcc and NOPs
From: Rich Pinkall-Pollei <whraven at msn dot fullfeed dot com>
Date: Thu, 13 Jan 2000 09:41:19 -0600
Cc: "Palmer.Chris" <PalmerC at intgame dot com>

+-+-----------------------------------------------------------------+-+
|o|                                                                 |o|
|o|  > Does anybody know why the 68K version of gcc compiles a      |o|
|o|  > NOP instruction at the end of each function, after the       |o|
|o|  > RTS?                                                         |o|
|o|                                                                 |o|
+-+-----------------------------------------------------------------+-+

It's been a long time since I worked with the Motorola chips, but if I
remember correctly, the design of the instruction pipeline required a
NOP after the return instruction for best performance.





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References:
- m68k-coff-gcc and NOPs
  - From: Palmer.Chris

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