* [U-Boot] U-Boot SPL and LTO (armv7)
@ 2018-10-10 17:03 Adam Ford
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From: Adam Ford @ 2018-10-10 17:03 UTC (permalink / raw)
To: u-boot
I am wondering if anyone has done any tests using LTO in SPL? For
those of us with limited resources, I noticed that we're creeping up
in size, especially when using DM in SPL.
I made a few attempts to enable -flto during compile, but the .S files
fail to assemble. I found some references that indicating not to use
-flto when running the assembler, but we appear to be using CFLAGS for
assembly and I am not entirely sure how to apply -fno-lto to just the
assembly files.
I am focusing on ARMv7 right now, but if anyone has any suggestions or
have started something, on a different architecture, I'd like to
experiment a little. I am not sure if the LTO will buy us much
anyway, but any little improvement during SPL would be appreciated.
thanks
adam
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2018-10-10 17:03 [U-Boot] U-Boot SPL and LTO (armv7) Adam Ford
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