commit 3d29045b5e8329d97693eda8d98f1d1e60b99c8f Author: H.J. Lu Date: Fri Jun 3 07:01:25 2011 -0400 Assume Intel Core i3/i5/i7 processor if AVX is available 2011-06-02 H.J. Lu * sysdeps/x86_64/multiarch/init-arch.c (__init_cpu_features): Assume Intel Core i3/i5/i7 processor if AVX is available. diff --git a/sysdeps/x86_64/multiarch/init-arch.c b/sysdeps/x86_64/multiarch/init-arch.c index 34ec2df..809d105 100644 --- a/sysdeps/x86_64/multiarch/init-arch.c +++ b/sysdeps/x86_64/multiarch/init-arch.c @@ -74,6 +74,7 @@ __init_cpu_features (void) } else if (family == 0x06) { + ecx = __cpu_features.cpuid[COMMON_CPUID_INDEX_1].ecx; model += extended_model; switch (model) { @@ -83,6 +84,12 @@ __init_cpu_features (void) __cpu_features.feature[index_Slow_BSF] |= bit_Slow_BSF; break; + default: + /* Unknown family 0x06 processors. Assuming this is one + of Core i3/i5/i7 processors if AVX is available. */ + if ((ecx & bit_AVX) == 0) + break; + case 0x1a: case 0x1e: case 0x1f: