projects / ipfire-2.x.git / blame
| Commit | Line | Data |
|---|---|---|
| 12788f63 MT |
1 | commit 3d29045b5e8329d97693eda8d98f1d1e60b99c8f |
| 2 | Author: H.J. Lu <hongjiu.lu@intel.com> | |
| 3 | Date: Fri Jun 3 07:01:25 2011 -0400 | |
| 4 | ||
| 5 | Assume Intel Core i3/i5/i7 processor if AVX is available | |
| 6 | ||
| 7 | 2011-06-02 H.J. Lu <hongjiu.lu@intel.com> | |
| 8 | ||
| 9 | * sysdeps/x86_64/multiarch/init-arch.c (__init_cpu_features): | |
| 10 | Assume Intel Core i3/i5/i7 processor if AVX is available. | |
| 11 | ||
| 12 | diff --git a/sysdeps/x86_64/multiarch/init-arch.c b/sysdeps/x86_64/multiarch/init-arch.c | |
| 13 | index 34ec2df..809d105 100644 | |
| 14 | --- a/sysdeps/x86_64/multiarch/init-arch.c | |
| 15 | +++ b/sysdeps/x86_64/multiarch/init-arch.c | |
| 16 | @@ -74,6 +74,7 @@ __init_cpu_features (void) | |
| 17 | } | |
| 18 | else if (family == 0x06) | |
| 19 | { | |
| 20 | + ecx = __cpu_features.cpuid[COMMON_CPUID_INDEX_1].ecx; | |
| 21 | model += extended_model; | |
| 22 | switch (model) | |
| 23 | { | |
| 24 | @@ -83,6 +84,12 @@ __init_cpu_features (void) | |
| 25 | __cpu_features.feature[index_Slow_BSF] |= bit_Slow_BSF; | |
| 26 | break; | |
| 27 | ||
| 28 | + default: | |
| 29 | + /* Unknown family 0x06 processors. Assuming this is one | |
| 30 | + of Core i3/i5/i7 processors if AVX is available. */ | |
| 31 | + if ((ecx & bit_AVX) == 0) | |
| 32 | + break; | |
| 33 | + | |
| 34 | case 0x1a: | |
| 35 | case 0x1e: | |
| 36 | case 0x1f: |