[Pixman] [PATCH] [mmx] Mark some of the output variables as earlyclobber.

Søren Sandmann sandmann at daimi.au.dk
Sat Oct 30 15:05:59 PDT 2010

From: Søren Sandmann Pedersen <ssp at redhat.com>

GCC assumes that input variables in inline assembly are fully consumed
before any output variable is written. This means it may allocate the
variables in the same register unless the output variables are marked
as early-clobber.

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