Paul Burton 2f2b4fd674 MIPS: Disable Loongson MMI instructions for kernel build ... GCC 9.x automatically enables support for Loongson MMI instructions when using some -march= flags, and then errors out when -msoft-float is specified with: cc1: error: ‘-mloongson-mmi’ must be used with ‘-mhard-float’ The kernel shouldn't be using these MMI instructions anyway, just as it doesn't use floating point instructions. Explicitly disable them in order to fix the build with GCC 9.x. Signed-off-by: Paul Burton <paul.burton@mips.com> Fixes: 3702bba5eb ("MIPS: Loongson: Add GCC 4.4 support for Loongson2E") Fixes: 6f7a251a25 ("MIPS: Loongson: Add basic Loongson 2F support") Fixes: 5188129b8c ("MIPS: Loongson-3: Improve -march option and move it to Platform") Cc: Huacai Chen <chenhc@lemote.com> Cc: Jiaxun Yang <jiaxun.yang@flygoat.com> Cc: stable@vger.kernel.org # v2.6.32+ Cc: linux-mips@vger.kernel.org		2019-10-10 11:58:52 -07:00
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Platform	MIPS: Disable Loongson MMI instructions for kernel build	2019-10-10 11:58:52 -07:00