Paradoxical subreg in compare

Richard Henderson rth@cygnus.com
Fri May 26 15:07:00 GMT 2000


On Fri, May 26, 2000 at 01:05:23PM -0700, Geoff Keating wrote:
> (subreg:SI (foo:HI ...))
> 
> means a 32-bit value with the high 16 bits unspecified.

Well, not exactly.  There's WORD_REGISTER_OPERATIONS, which I 
believe combine will use in this case.


r~


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