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arch: add support for "jaguar" AMD CPU optimisations

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AMD Jaguar ( https://en.wikipedia.org/wiki/Jaguar_%28microarchitecture%29 ) is
suddenly a popular architecture since it is used in the PS4 and the XBox One.
Many embedded systems are also likely to use it in the next years.

This patch adds support for GCC architecture-specific optimisations and
tuning for these CPUs.
These optimizations are available with GCC 4.8+.

Signed-off-by: Adrien Beraud <adrien.beraud@savoirfairelinux.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Adrien Béraud
2014-01-15 17:17:10 -05:00
committed by Peter Korsgaard
parent 613c30c85e
commit a20cb38659
3 changed files with 18 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
arch/Config.in.x86
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@@ -124,6 +124,13 @@ config BR2_x86_barcelona
select BR2_X86_CPU_HAS_SSE
select BR2_X86_CPU_HAS_SSE2
select BR2_X86_CPU_HAS_SSE3
config BR2_x86_jaguar
bool "jaguar"
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
config BR2_x86_geode
bool "geode"
# Don't include MMX support because there several variant of geode
@@ -172,6 +179,7 @@ config BR2_ARCH
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
default "i686" if BR2_x86_jaguar && BR2_i386
default "i686" if BR2_x86_k6
default "i686" if BR2_x86_k6_2
default "i686" if BR2_x86_athlon
@@ -200,6 +208,7 @@ config BR2_GCC_TARGET_TUNE
default "k8" if BR2_x86_opteron
default "k8-sse3" if BR2_x86_opteron_sse3
default "barcelona" if BR2_x86_barcelona
default "btver2" if BR2_x86_jaguar
default "k6" if BR2_x86_k6
default "k6-2" if BR2_x86_k6_2
default "athlon" if BR2_x86_athlon
@@ -229,6 +238,7 @@ config BR2_GCC_TARGET_ARCH
default "k8" if BR2_x86_opteron
default "k8-sse3" if BR2_x86_opteron_sse3
default "barcelona" if BR2_x86_barcelona
default "btver2" if BR2_x86_jaguar
default "k6" if BR2_x86_k6
default "k6-2" if BR2_x86_k6_2
default "athlon" if BR2_x86_athlon