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authorTom Musta <tommusta@gmail.com>2014-08-12 08:45:06 -0500
committerAlexander Graf <agraf@suse.de>2014-09-08 12:50:50 +0200
commit1fa74845f2bab36bfa37108b9054b53c1b8264b9 (patch)
tree08e77f50d8753ad875fa273663d23631a9cc2353 /scripts/qapi-commands.py
parentf11ebbf8d4308795129bc6651cf701b61b812abf (diff)
downloadfocaccia-qemu-1fa74845f2bab36bfa37108b9054b53c1b8264b9.tar.gz
focaccia-qemu-1fa74845f2bab36bfa37108b9054b53c1b8264b9.zip
target-ppc: Bug Fix: mullw
For 64-bit implementations, the mullw result is the 64 bit product
of the sign-extended least significant 32 bits of the source
registers.

Fix the code to properly sign extend the source operands and produce
a 64 bit product.

Example:
R3 00000000002F37A0
R4 41C33D242F816715
mullw 3,3,4
R3 expected : 0008C3146AE0F020
R3 actual   : 000000006AE0F020 (without this patch)

Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'scripts/qapi-commands.py')
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