For the default multilib settings, it looks like you just intended to use -mcustom-fpu-cfg=60-2. I suggest you modify t-rtems to do that instead of enumerating the individual FPU insn options.
Other than that, the patch looks okay. Chung-Lin On 2014/6/26 07:43 PM, Sebastian Huber wrote: > diff --git a/gcc/config/nios2/t-rtems b/gcc/config/nios2/t-rtems > new file mode 100644 > index 0000000..f95fa3c > --- /dev/null > +++ b/gcc/config/nios2/t-rtems > @@ -0,0 +1,133 @@ > +# Custom RTEMS multilibs > + > +MULTILIB_OPTIONS = mhw-mul mhw-mulx mhw-div mcustom-fadds=253 > mcustom-fdivs=255 mcustom-fmuls=252 mcustom-fsubs=254 > + > +# Enumeration of multilibs > + > +# MULTILIB_EXCEPTIONS += > mhw-mul/mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += > mhw-mul/mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += > mhw-mul/mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += > mhw-mul/mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fdivs=255 > +MULTILIB_EXCEPTIONS += > mhw-mul/mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += > mhw-mul/mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += > mhw-mul/mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mhw-div/mcustom-fadds=253 > +MULTILIB_EXCEPTIONS += > mhw-mul/mhw-mulx/mhw-div/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += > mhw-mul/mhw-mulx/mhw-div/mcustom-fdivs=255/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += > mhw-mul/mhw-mulx/mhw-div/mcustom-fdivs=255/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mhw-div/mcustom-fdivs=255 > +MULTILIB_EXCEPTIONS += > mhw-mul/mhw-mulx/mhw-div/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mhw-div/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mhw-div/mcustom-fsubs=254 > +# MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mhw-div > +MULTILIB_EXCEPTIONS += > mhw-mul/mhw-mulx/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += > mhw-mul/mhw-mulx/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += > mhw-mul/mhw-mulx/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fadds=253/mcustom-fdivs=255 > +MULTILIB_EXCEPTIONS += > mhw-mul/mhw-mulx/mcustom-fadds=253/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fadds=253/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fadds=253/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fadds=253 > +MULTILIB_EXCEPTIONS += > mhw-mul/mhw-mulx/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fdivs=255/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fdivs=255/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fdivs=255 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-mulx > +MULTILIB_EXCEPTIONS += > mhw-mul/mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += > mhw-mul/mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += > mhw-mul/mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fadds=253/mcustom-fdivs=255 > +MULTILIB_EXCEPTIONS += > mhw-mul/mhw-div/mcustom-fadds=253/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fadds=253/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fadds=253/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fadds=253 > +MULTILIB_EXCEPTIONS += > mhw-mul/mhw-div/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fdivs=255/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fdivs=255/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fdivs=255 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mhw-div > +MULTILIB_EXCEPTIONS += > mhw-mul/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += > mhw-mul/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += > mhw-mul/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fadds=253/mcustom-fdivs=255 > +MULTILIB_EXCEPTIONS += > mhw-mul/mcustom-fadds=253/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fadds=253/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fadds=253/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fadds=253 > +MULTILIB_EXCEPTIONS += > mhw-mul/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fdivs=255/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fdivs=255/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fdivs=255 > +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mhw-mul/mcustom-fsubs=254 > +# MULTILIB_EXCEPTIONS += mhw-mul > +MULTILIB_EXCEPTIONS += > mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += > mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += > mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fdivs=255 > +MULTILIB_EXCEPTIONS += > mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fadds=253/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fadds=253 > +MULTILIB_EXCEPTIONS += > mhw-mulx/mhw-div/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fdivs=255/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fdivs=255/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fdivs=255 > +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mulx/mhw-div > +MULTILIB_EXCEPTIONS += > mhw-mulx/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += > mhw-mulx/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += > mhw-mulx/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fadds=253/mcustom-fdivs=255 > +MULTILIB_EXCEPTIONS += > mhw-mulx/mcustom-fadds=253/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fadds=253/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fadds=253/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fadds=253 > +MULTILIB_EXCEPTIONS += > mhw-mulx/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fdivs=255/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fdivs=255/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fdivs=255 > +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mhw-mulx/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-mulx > +MULTILIB_EXCEPTIONS += > mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += > mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += > mhw-div/mcustom-fadds=253/mcustom-fdivs=255/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fadds=253/mcustom-fdivs=255 > +MULTILIB_EXCEPTIONS += > mhw-div/mcustom-fadds=253/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fadds=253/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fadds=253/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fadds=253 > +MULTILIB_EXCEPTIONS += > mhw-div/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fdivs=255/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fdivs=255/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fdivs=255 > +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mhw-div/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mhw-div > +MULTILIB_EXCEPTIONS += > mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mcustom-fadds=253/mcustom-fdivs=255/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mcustom-fadds=253/mcustom-fdivs=255/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mcustom-fadds=253/mcustom-fdivs=255 > +MULTILIB_EXCEPTIONS += mcustom-fadds=253/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mcustom-fadds=253/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mcustom-fadds=253/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mcustom-fadds=253 > +MULTILIB_EXCEPTIONS += mcustom-fdivs=255/mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mcustom-fdivs=255/mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mcustom-fdivs=255/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mcustom-fdivs=255 > +MULTILIB_EXCEPTIONS += mcustom-fmuls=252/mcustom-fsubs=254 > +MULTILIB_EXCEPTIONS += mcustom-fmuls=252 > +MULTILIB_EXCEPTIONS += mcustom-fsubs=254
