diff mbox series

[u-boot,36/39] ARM: make LTO available

Message ID 20210307042538.21229-37-marek.behun@nic.cz
State Superseded
Delegated to: Tom Rini
Headers show
Series U-Boot LTO (Sandbox + Some ARM boards) | expand

Commit Message

Marek Behún March 7, 2021, 4:25 a.m. UTC 
Make LTO available for ARM architecture.

Signed-off-by: Marek Behún <marek.behun@nic.cz>
---
 arch/Kconfig          | 1 +
 arch/arm/lib/Makefile | 2 ++
 2 files changed, 3 insertions(+)
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Patch

diff --git a/arch/Kconfig b/arch/Kconfig
index b884b7b248..bf4b8afcb4 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -33,6 +33,7 @@  config ARC
 
 config ARM
 	bool "ARM architecture"
+	select ARCH_SUPPORTS_LTO
 	select CREATE_ARCH_SYMLINK
 	select HAVE_PRIVATE_LIBGCC if !ARM64
 	select SUPPORT_OF_CONTROL
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index 61bef1d5af..7f66332715 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -45,6 +45,8 @@  obj-$(CONFIG_SEMIHOSTING) += semihosting.o
 
 obj-y	+= bdinfo.o
 obj-y	+= sections.o
+CFLAGS_REMOVE_sections.o := $(LTO_CFLAGS)
+
 obj-y	+= stack.o
 ifdef CONFIG_CPU_V7M
 obj-y	+= interrupts_m.o