[Buildroot] [PATCH 1/1] Add newer Atom CPUs as Silvermont Architecture target
Norbert Lange
nolange79 at gmail.com
Tue Oct 24 12:22:06 UTC 2017
The old Atom target is not really fitting for recent Atom CPUs
based on Silvermont, Airmont or Goldmont. Those have more in
common with older Desktop CPUs than old Atoms.
Signed-off-by: Norbert Lange <norbert.lange at andritz.com>
---
arch/Config.in.x86 | 11 +++++++++++
package/openblas/Config.in | 2 +-
2 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/arch/Config.in.x86 b/arch/Config.in.x86
index 0d9e93b089..8e623b3c2b 100644
--- a/arch/Config.in.x86
+++ b/arch/Config.in.x86
@@ -129,6 +129,15 @@ config BR2_x86_atom
select BR2_X86_CPU_HAS_SSE2
select BR2_X86_CPU_HAS_SSE3
select BR2_X86_CPU_HAS_SSSE3
+config BR2_x86_silvermont
+ bool "silvermont"
+ select BR2_X86_CPU_HAS_MMX
+ select BR2_X86_CPU_HAS_SSE
+ select BR2_X86_CPU_HAS_SSE2
+ select BR2_X86_CPU_HAS_SSE3
+ select BR2_X86_CPU_HAS_SSSE3
+ select BR2_X86_CPU_HAS_SSE4
+ select BR2_X86_CPU_HAS_SSE42
config BR2_x86_k6
bool "k6"
select BR2_X86_CPU_HAS_MMX
@@ -229,6 +238,7 @@ config BR2_ARCH
default "i686" if BR2_x86_corei7_avx && BR2_i386
default "i686" if BR2_x86_corei7_avx2 && BR2_i386
default "i686" if BR2_x86_atom && BR2_i386
+ default "i686" if BR2_x86_silvermont && BR2_i386
default "i686" if BR2_x86_opteron && BR2_i386
default "i686" if BR2_x86_opteron_sse3 && BR2_i386
default "i686" if BR2_x86_barcelona && BR2_i386
@@ -261,6 +271,7 @@ config BR2_GCC_TARGET_ARCH
default "corei7-avx" if BR2_x86_corei7_avx
default "core-avx2" if BR2_x86_core_avx2
default "atom" if BR2_x86_atom
+ default "silvermont" if BR2_x86_silvermont
default "k8" if BR2_x86_opteron
default "k8-sse3" if BR2_x86_opteron_sse3
default "barcelona" if BR2_x86_barcelona
diff --git a/package/openblas/Config.in b/package/openblas/Config.in
index bc628960f5..eb93e319e4 100644
--- a/package/openblas/Config.in
+++ b/package/openblas/Config.in
@@ -6,7 +6,7 @@ config BR2_PACKAGE_OPENBLAS_DEFAULT_TARGET
default "PRESCOTT" if BR2_x86_prescott
default "BANIAS" if BR2_x86_pentium_m
default "CORE2" if BR2_x86_core2
- default "NEHALEM" if BR2_x86_corei7
+ default "NEHALEM" if BR2_x86_corei7 || BR2_x86_silvermont
default "SANDYBRIDGE" if BR2_x86_corei7_avx
default "HASWELL" if BR2_x86_core_avx2
default "ATOM" if BR2_x86_atom
--
2.14.2
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