* features/Makefile (WHICH): Add i386/x32, i386/x32-linux, i386/x32-avx and i386/x32-avx-linux. (i386/x32-expedite): New. (i386/x32-linux-expedite): Likewise. (i386/x32-avx-expedite): Likewise. (i386/x32-avx-linux-expedite): Likewise. ($(outdir)/i386/x32.dat): Likewise. ($(outdir)/i386/x32-linux.dat): Likewise. ($(outdir)/i386/x32-avx.dat): Likewise. ($(outdir)/i386/x32-avx-linux.dat): Likewise. * features/i386/x32-avx-linux.xml: New file. * features/i386/x32-avx.xml: Likewise. * features/i386/x32-core.xml: Likewise. * features/i386/x32-linux.xml: Likewise. * features/i386/x32.xml: Likewise. * features/i386/x32-avx-linux.c: New. Generated. * features/i386/x32-avx.c: Likewise. * features/i386/x32-linux.c: Likewise. * features/i386/x32.c: Likewise. * regformats/i386/x32-avx-linux.dat: Likewise. * regformats/i386/x32-avx.dat: Likewise. * regformats/i386/x32-linux.dat: Likewise. * regformats/i386/x32.dat: Likewise.