From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Robboy, David G" <david.g.robboy@intel.com>
Date: Tue, 31 Jul 2001 22:57:38 +0000
Subject: [Linux-ia64] Patch to set the OSFXSR bit of CR4
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To: linux-ia64@vger.kernel.org

Linux should enable the ia32 "streaming SIMD" instructions (the PIII
extensions of MMX).  These instructions work on the Itanium processor under
seamless. Currently Linux disables them by clearing the OSFXSR bit of CR4.

Here's the patch for linux R2.4.5.

  - David Robboy

include/asm-ia64/ia32.h
373c373
< #define IA32_CR4       0             /* No architectural extensions */
---
> #define IA32_CR4       (1 << 9)          /* Set OSFXSR to enable streaming
SIMD */