target/ppc: fix cpu_ov setting for 32-bit
commit38a61d34875335717f22e3a0eb1e0d5df4f62def
authorNikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Mon, 13 Mar 2017 09:31:04 +0000 (13 15:01 +0530)
committerDavid Gibson <david@gibson.dropbear.id.au>
Tue, 14 Mar 2017 00:27:23 +0000 (14 11:27 +1100)
tree078875be99c3fa19d1c4ebe7436ae24f6e0f0e80
parentf244115cbd7530893e720cd1302308e4390c5ef7
target/ppc: fix cpu_ov setting for 32-bit

A bug was introduced in following commit:

    dc0ad84 target/ppc: update overflow flags for add/sub

As for 32-bit ppc target extracting bit 63 for overflow is not correct.
Made it dependent on TARGET_LOG_BITS. This had broken booting MacOS
9.2.1 image

Reported-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
target/ppc/translate.c