> They don't REQUIRE it, but just miss a lot of optimization if that isn't
> the case (since things that would otherwise be CONST_INT will now be
> CONST_DOUBLE and folding will be harder).
# need_64bit_hwint Set to yes if HOST_WIDE_INT must be 64 bits wide
# for this target. This is true iff this target
# supports "long" or "wchar_t" wider than 32 bits.
alpha*-*-*)
cpu_type=alpha
need_64bit_hwint=yes
;;
x86_64-*-*)
cpu_type=i386
extra_headers="mmintrin.h mm3dnow.h xmmintrin.h emmintrin.h
pmmintrin.h tmmintrin.h ammintrin.h smmintrin.h
nmmintrin.h"
need_64bit_hwint=yes
;;
ia64-*-*)
extra_headers=ia64intrin.h
need_64bit_hwint=yes
;;
mips*-*-*)
cpu_type=mips
need_64bit_hwint=yes
;;
powerpc*-*-*)
cpu_type=rs6000
extra_headers="ppc-asm.h altivec.h spe.h"
need_64bit_hwint=yes
case x$with_cpu in
xpowerpc64|xdefault64|x6[23]0|x970|xG5|xpower[3456]|xpower6x|xrs64a)
cpu_is_64bit=yes
;;
esac
;;
rs6000*-*-*)
need_64bit_hwint=yes
;;
sparc64*-*-*)
cpu_type=sparc
need_64bit_hwint=yes
;;
spu*-*-*)
cpu_type=spu
need_64bit_hwint=yes
;;
s390*-*-*)
cpu_type=s390
need_64bit_hwint=yes
;;
sh[123456789lbe]*-*-*)
cpu_type=sh
need_64bit_hwint=yes
;;
--
Eric Botcazou
