GCC Status Report (2004-03-09)

Mark Mitchell mark@codesourcery.com
Wed Mar 31 21:48:00 GMT 2004

Richard Kenner wrote:

>I have a suggestion, one that I think I made before:
>There are two separate cases.
>For the not-all-field-specified case, we *have* to do the clearing, but it's
>relatively uncommon.  So if TARGET is /u, make a new temporary, do the store
>into it in the usual manner, and copy it into the /u TARGET.
>In the other cases (mostly_zero), the clearing is an *optimization*.  So
>suppress it for the /u TARGET.
I'd be OK with that approach.  Do you have a patch we can try out?

Mark Mitchell
CodeSourcery, LLC
(916) 791-8304

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