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23 lines
1.1 KiB
Diff
23 lines
1.1 KiB
Diff
From ac54ba51bc5bab561573b64d82f3ba2a066d5fde Mon Sep 17 00:00:00 2001
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From: YoshiShaPow <yoshipga@gmail.com>
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Date: Sat, 20 Dec 2014 12:05:19 -0800
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Subject: [PATCH] gcc5: arm: enable cortex_a15 optimization
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---
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arch/arm/Makefile | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/arch/arm/Makefile b/arch/arm/Makefile
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index e620786..0dd6592 100644
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--- a/arch/arm/Makefile
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+++ b/arch/arm/Makefile
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@@ -57,7 +57,7 @@ comma = ,
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# Note that GCC does not numerically define an architecture version
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# macro, but instead defines a whole series of macros which makes
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# testing for a specific architecture or later rather impossible.
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-arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a)
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+arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a -mtune=cortex-a15 -Wa$(comma)-march=armv7-a)
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arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
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# Only override the compiler option if ARMv6. The ARMv6K extensions are
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# always available in ARMv7
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