Re: Assembler Macros

Doug Miller wrote:
> In article <kkqu7356m4r3ffd9n2njsr0llf8cigv6ff@[EMAIL PROTECTED]
>, Binyamin Dissen
<postingid@[EMAIL PROTECTED]
> wrote:

>>The purpose of STCM was not to do an unaligned store. It was to allow a
>>selective store of certain bytes in a register.

> Yes, of course. The ability to do an unaligned store is a side effect. 
> Possibly an unintended side effect, but nonetheless a beneficial one.

As far as I know, STCM was most specifically for storing three
byte addresses where the high byte was used for something else,
which would naturally be unaligned.

Is an unaligned four byte STCM faster than an unaligned ST?

-- glen