--- zzzz-none-000/linux-3.10.107/arch/mips/include/asm/fpregdef.h 2017-06-27 09:49:32.000000000 +0000 +++ vr9-7490-729/linux-3.10.107/arch/mips/include/asm/fpregdef.h 2021-11-10 11:53:53.000000000 +0000 @@ -14,6 +14,20 @@ #include +/* + * starting with binutils 2.24.51.20140729, MIPS binutils warn about mixing + * hardfloat and softfloat object files. The kernel build uses soft-float by + * default, so we also need to pass -msoft-float along to GAS if it supports it. + * But this in turn causes assembler errors in files which access hardfloat + * registers. We detect if GAS supports "-msoft-float" in the Makefile and + * explicitly put ".set hardfloat" where floating point registers are touched. + */ +#ifdef GAS_HAS_SET_HARDFLOAT +#define SET_HARDFLOAT .set hardfloat +#else +#define SET_HARDFLOAT +#endif + #if _MIPS_SIM == _MIPS_SIM_ABI32 /*