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Conference vaxaxp::alphanotes

Title:Alpha Support Conference
Notice:This is a new Alphanotes, please read note 2.2
Moderator:VAXAXP::BERNARDO
Created:Thu Jan 02 1997
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:128
Total number of notes:617

101.0. "Byte instructions?" by NEWVAX::DSMITH () Thu May 08 1997 13:36

    Does the 466MHz Alpha chip contain byte and 16 bit fetch/put
    instructions?  If so, where can I get a C compiler which uses
    these new Alpha instructions.
    
    The Alpha Architecture Handbook I have says these instruction don't
    exist but I've heard that the EV5/6 chips have this support and that
    there is a C compiler available somewhere.  Maybe I live in a cave
    cause I don't know this already.  :-)
    
    Thanks,
    
    Dave S
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101.1TLE::REAGANAll of this chaos makes perfect senseThu May 08 1997 13:495
    Yes that chip contains the instructions.  Look at the /architecture
    (or -arch on Digital UNIX) qualifier to tell the compiler that its OK
    to output the instructions.
    
    				-John
101.2NEWVAX::DSMITHThu May 08 1997 14:116
    re.1:
    
    Thanks John
    
    
    Dave S
101.3DECCXL::OUELLETTEmudseason into blackfly seasonThu May 08 1997 16:531
For Visual C++ the switch is -QA21164A.
101.4-> Alpha Architecture Handbook (latest)COMEUP::SIMMONDSloose canonThu May 08 1997 22:309
    Re: .0
    
.0>    The Alpha Architecture Handbook I have says these instruction don't
    
    Grab yourself the latest AAH at (e.g.)
    
    ChipBz::Production$:[DS_Info.Alpha_Info]EC-QD2KB-TE.{PDF|PS}
    
    John.
101.5NEWVAX::DSMITHFri May 09 1997 11:405
    re .3 + .4:
    
    Thanks also!
    
    Dave S