On Sun, Nov 22, 2015 at 08:58:08PM +0100, Arnd Bergmann wrote: > does it work with -mcpu=cortex-a15? I've tried crosstool as versions > 2.23.52.20130913, 2.24.0.20141017 and 2.25.51.20150518, and they > all seem to behave as expected, failing with -mcpu=cortex-a9 and > marvell-pj4 but succeeding with -mcpu=cortex-a15 or marvell-pj4+idiv. Appears not: root@cubox:~# gcc -O2 -o idiv idiv.c -Wa,-mcpu='cortex-a15+idiv' -marm /tmp/ccSovg32.s: Assembler messages: /tmp/ccSovg32.s:32: Error: selected processor does not support ARM mode `udiv ip,r5,r4' root@cubox:~# gcc -O2 -o idiv idiv.c -Wa,-mcpu='cortex-a15+idiv' -mthumb /tmp/cchbT3EE.s: Assembler messages: /tmp/cchbT3EE.s:36: Error: selected processor does not support Thumb mode `udiv r6,r5,r4' Same without the +idiv. > I've also found some /proc/cpuinfo output to cross-reference SoCs > to their core names. > > variant part revision name features > mmp2: 0 0x581 5 PJ4 idivt > dove: 0 0x581 5 PJ4 idivt Yes, that agrees with my dove. -- FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net. -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
