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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>
Marek Vasut 4 years ago
parent
commit
56f01746ab
1 changed files with 1 additions and 1 deletions
  1. 1 1
      arch/sh/config.mk

+ 1 - 1
arch/sh/config.mk

@@ -13,6 +13,6 @@ LDFLAGS_STANDALONE += -EB
 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