powerpc/sstep: mullw should calculate a 64 bit signed result
authorAnton Blanchard <anton@samba.org>
Tue, 19 Sep 2017 23:32:19 +0000 (09:32 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Wed, 20 Sep 2017 03:30:09 +0000 (13:30 +1000)
commit1575fe06f6b1d156ed31fb22c8631d49d79751d8
treeaed176e7eb68819db1178de75db6959d83d79566
parent5bcaa4cc41923871777c3d13906267e812775094
powerpc/sstep: mullw should calculate a 64 bit signed result

mullw should do a 32 bit signed multiply and create a 64 bit signed
result. It currently truncates the result to 32 bits.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/lib/sstep.c