Armada 370 processors have only 16 double-precision registers. The change introduced bymaster8dcc108760
("toolchain: ARM: Fix toolchain compilation for gcc 8.x") switched accidentally the toolchain for mvebu cortexa9 subtarget to cpu type with 32 double-precision registers. This stems from gcc defaults which assume "vfpv3-d32" if only "vfpv3" as mfpu is specified. That change resulted in unusable image, in which kernel will kill userspace as soon as it causing "Illegal instruction". Ref: https://forum.openwrt.org/t/gcc-was-broken-on-mvebu-armada-370-device-after-commit-on-2019-03-25/43272 Fixes:8dcc108760
("toolchain: ARM: Fix toolchain compilation for gcc 8.x") Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl> (cherry picked from commit 2d61f8821c7cf99354e904139226c132554ba180)
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