[PATCH] x86, boot: simplify setting of the PAE bit

[Alexander Potashev]

A single 'movl' is shorter than the 'xorl'-'orl' pair.
No behaviour change.

Signed-off-by: Alexander Potashev <aspotashev@xxxxxxxxx>
---
 arch/x86/boot/compressed/head_64.S |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index 077e1b6..faff0dc 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -107,8 +107,7 @@ ENTRY(startup_32)
 	lgdt	gdt(%ebp)
 
 	/* Enable PAE mode */
-	xorl	%eax, %eax
-	orl	$(X86_CR4_PAE), %eax
+	movl	$(X86_CR4_PAE), %eax
 	movl	%eax, %cr4
 
  /*
-- 
1.6.5.1

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