diff mbox series

sh: Enable ffunction-sections and fdata-sections

Message ID 20200503152626.34190-1-marek.vasut+renesas@gmail.com
State New
Headers show
Series sh: Enable ffunction-sections and fdata-sections | expand

Commit Message

Marek Vasut May 3, 2020, 3:26 p.m. UTC
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 at gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu at nigauri.org>
Cc: Tom Rini <trini at konsulko.com>
---
 arch/sh/config.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/sh/config.mk b/arch/sh/config.mk
index 6ef44638ab..85dab383e7 100644
--- a/arch/sh/config.mk
+++ b/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