From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jun Nakajima Date: Tue, 27 Jun 2000 22:02:09 +0000 Subject: [Linux-ia64] Using f6-f11 floating-point registers Message-Id: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: linux-ia64@vger.kernel.org At this point, the kernel is using more than f6-f11 floating-point registers (using -mfixed-range=F10-f15,f32-f127, i.e. those are *not* available to the kernel, but the others, like f16-f31 are).=20 When do we support the reduced FP model (EL_IA_64_REDUCEFP), where only f6-f11 are used by the kernel? Does the current compiler allow the kernel to use those FP registers only, if we provide -mfixed-range=F2-f5,f12-f127, for example? Of course, we need to change the kernel if we do this. Thanks, --=20 Jun U Nakajima Core OS Development SCO/Murray Hill, NJ