Even though EM SDP is FPGA-based board and different FPGA images (known as .bit-files) are awailable for the board still there's a common subset of options we may rely on for all configs.

These are: * Normalizer * Swap instructions * Simple multiplier * Barrel-shifter * Floating-point unit * Shorter instructions (code density)

This among other improvements allows to compile code with 64-bit divisions, see [1].

[1] https://patchwork.ozlabs.org/patch/1156541/

Signed-off-by: Alexey Brodkin abrodkin@synopsys.com Cc: Kever Yang kever.yang@rock-chips.com --- board/synopsys/emsdp/config.mk | 2 ++ 1 file changed, 2 insertions(+) create mode 100644 board/synopsys/emsdp/config.mk

diff --git a/board/synopsys/emsdp/config.mk b/board/synopsys/emsdp/config.mk new file mode 100644 index 0000000000..67fd7bf82a --- /dev/null +++ b/board/synopsys/emsdp/config.mk @@ -0,0 +1,2 @@ +PLATFORM_CPPFLAGS += -mlittle-endian -mnorm -mswap -mmpy-option=3 \ + -mbarrel-shifter -mfpu=fpuda_all -mcode-density