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package/go: enable ARMv7 optimizations for 32-bit ARMv8

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When building for an ARMv8 in 32-bit, Go does not yet support ARMv8
optimizations (see issue: https://github.com/golang/go/issues/29373)
but can still benefit from ARMv7 optimizations.

Signed-off-by: Michael Baudino <michael@baudi.no>
[yann.morin.1998@free.fr:
  - move the comment to its own line, expand and reword it a bit
  - reword the commit log
]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
This commit is contained in:
Michael Baudino 2020-12-18 10:00:23 +00:00 committed by Yann E. MORIN
parent 4e81152078
commit c59409afd9
1 changed files with 4 additions and 0 deletions
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4
package/go/go.mk
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@ -39,6 +39,10 @@ else ifeq ($(BR2_ARM_CPU_ARMV6),y)
GO_GOARM = 6
else ifeq ($(BR2_ARM_CPU_ARMV7A),y)
GO_GOARM = 7
else ifeq ($(BR2_ARM_CPU_ARMV8A),y)
# Go doesn't support 32-bit GOARM=8 (https://github.com/golang/go/issues/29373)
# but can still benefit from amrv7 optimisations
GO_GOARM = 7
endif
else ifeq ($(BR2_aarch64),y)
GO_GOARCH = arm64