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[PATCH] Remove Fast_Copy_Backward from Intel Core processors

Intel Core i3, i5 and i7 processors have fast unaligned copy and
copy backward is ignored.  Remove Fast_Copy_Backward from Intel Core
processors to avoid confusion.

I will check it in shortly.

	* sysdeps/x86/cpu-features.c (init_cpu_features): Don't set
 sysdeps/x86/cpu-features.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c
index de75c79..963b845 100644
--- a/sysdeps/x86/cpu-features.c
+++ b/sysdeps/x86/cpu-features.c
@@ -176,11 +176,8 @@ init_cpu_features (struct cpu_features *cpu_features)
 	    case 0x2c:
 	    case 0x2e:
 	    case 0x2f:
-	      /* Rep string instructions, copy backward, unaligned loads
+	      /* Rep string instructions, unaligned load, unaligned copy,
 		 and pminub are fast on Intel Core i3, i5 and i7.  */
-#if index_arch_Fast_Rep_String != index_arch_Fast_Copy_Backward
-# error index_arch_Fast_Rep_String != index_arch_Fast_Copy_Backward
 #if index_arch_Fast_Rep_String != index_arch_Fast_Unaligned_Load
 # error index_arch_Fast_Rep_String != index_arch_Fast_Unaligned_Load
@@ -192,7 +189,6 @@ init_cpu_features (struct cpu_features *cpu_features)
 		|= (bit_arch_Fast_Rep_String
-		    | bit_arch_Fast_Copy_Backward
 		    | bit_arch_Fast_Unaligned_Load
 		    | bit_arch_Fast_Unaligned_Copy
 		    | bit_arch_Prefer_PMINUB_for_stringop);

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