tree 7110476ce5e2a8e1ddf09ca0cbf04c8b46200139
parent 2bc173224adc0fc318f2bd6fcf65dfdbc7d51123
author Richard Henderson <rth@twiddle.net> 1364986605 +0000
committer Alexander Graf <agraf@suse.de> 1367010160 +0200

target-ppc: Fix narrow-mode add/sub carry output

Broken in b5a73f8d8a57e940f9bbeb399a9e47897522ee9a, the carry itself was
fixed in 79482e5ab38a05ca8869040b0d8b8f451f16ff62.  But we still need to
produce the full 64-bit addition.

Simplify the conditions at the top of the functions for when we need a
new temporary.  Only plain addition is important enough to warrent avoiding
the temporary, and the extra tcg move op that would come with it.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Alexander Graf <agraf@suse.de>