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/openbmc/u-boot/arch/riscv/
H A DMakefile0c074845 Thu Nov 22 04:26:15 CST 2018 Lukas Auer <lukas.auer@aisec.fraunhofer.de> riscv: set -march and -mabi based on the Kconfig configuration

Use the new Kconfig entries to construct the ISA string for the -march
compiler flag. The -mabi compiler flag is selected based on the base
integer instruction set.

With this change, the C (compressed instructions) ISA extension is now
enabled for all boards with CONFIG_RISCV_ISA_C set. Buildman reports a
decrease in binary size of 71590 bytes.

Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
H A Dconfig.mk0c074845 Thu Nov 22 04:26:15 CST 2018 Lukas Auer <lukas.auer@aisec.fraunhofer.de> riscv: set -march and -mabi based on the Kconfig configuration

Use the new Kconfig entries to construct the ISA string for the -march
compiler flag. The -mabi compiler flag is selected based on the base
integer instruction set.

With this change, the C (compressed instructions) ISA extension is now
enabled for all boards with CONFIG_RISCV_ISA_C set. Buildman reports a
decrease in binary size of 71590 bytes.

Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>