[Buildroot] [PATCH 2/2] arch: Add support for Westmere targets
Esben Haabendal
esben at geanix.com
Fri Jun 7 12:53:13 UTC 2019
The westmere line of x86_64 targets lies between nehalem (corei7) and
sandybridge (corei7-avx). Allowing use of -march=westmere enables use of AES
instruction set on these targets.
Signed-off-by: Esben Haabendal <esben at geanix.com>
---
arch/Config.in.x86 | 10 ++++++++++
package/openblas/Config.in | 2 +-
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/arch/Config.in.x86 b/arch/Config.in.x86
index 3f6983ac1b63..26496b8d08e9 100644
--- a/arch/Config.in.x86
+++ b/arch/Config.in.x86
@@ -101,6 +101,15 @@ config BR2_x86_corei7
select BR2_X86_CPU_HAS_SSSE3
select BR2_X86_CPU_HAS_SSE4
select BR2_X86_CPU_HAS_SSE42
+config BR2_x86_westmere
+ bool "westmere"
+ 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_corei7_avx
bool "corei7-avx"
select BR2_X86_CPU_HAS_MMX
@@ -235,6 +244,7 @@ config BR2_ARCH
default "i686" if BR2_x86_nocona && BR2_i386
default "i686" if BR2_x86_core2 && BR2_i386
default "i686" if BR2_x86_corei7 && BR2_i386
+ default "i686" if BR2_x86_westmere && BR2_i386
default "i686" if BR2_x86_corei7_avx && BR2_i386
default "i686" if BR2_x86_core_avx2 && BR2_i386
default "i686" if BR2_x86_atom && BR2_i386
diff --git a/package/openblas/Config.in b/package/openblas/Config.in
index 8e71a43f982c..c8a516bb9f93 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 || BR2_x86_nocona
default "BANIAS" if BR2_x86_pentium_m
default "CORE2" if BR2_x86_core2
- default "NEHALEM" if BR2_x86_corei7 || BR2_x86_silvermont
+ default "NEHALEM" if BR2_x86_corei7 || BR2_x86_westmere || BR2_x86_silvermont
default "SANDYBRIDGE" if BR2_x86_corei7_avx
default "HASWELL" if BR2_x86_core_avx2
default "ATOM" if BR2_x86_atom
--
2.21.0
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