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sh: Enable ffunction-sections and fdata-sections

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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>
This commit is contained in:
Marek Vasut 2020-05-03 17:22:43 +02:00
parent 03578d940d
commit 56f01746ab
1 changed files with 1 additions and 1 deletions
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2
arch/sh/config.mk
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@ -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