commit c55ff070e63ec8fbe98a70ea3ab87f8ebcad1c10
author Marek Vasut <marek.vasut+renesas@gmail.com> Sun May 03 17:22:43 2020 +0200
committer Marek Vasut <marek.vasut+renesas@gmail.com> Wed May 20 13:20:25 2020 +0200
tree c6c27f3fcadcf35107f2577505b282437f4b39b9
parent a6c719fb7582c0b16495dc80df7da4a87e3772cc

sh: Enable ffunction-sections and fdata-sections

Enable these two options to let compiler eliminate unused code.
On R2Dplus, this results in considerable amount of saved space:

      text    data     bss     dec     hex filename
  - 266580   13196   39076  318852   4dd84 u-boot
  + 220214   12797   38745  271756   4258c u-boot

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Cc: Tom Rini <trini@konsulko.com>

arch/sh/config.mk

diff --git a/arch/sh/config.mk b/arch/sh/config.mk
index 6ef4463..85dab38 100644
--- a/arch/sh/config.mk
+++ b/arch/sh/config.mk
@@ -13,6 +13,6 @@
 endif
 
 PLATFORM_CPPFLAGS += -DCONFIG_SH -D__SH__
-PLATFORM_RELFLAGS += -fpic
+PLATFORM_RELFLAGS += -fpic -ffunction-sections -fdata-sections
 LDFLAGS_FINAL = --gc-sections
 PLATFORM_RELFLAGS += -ffixed-r13