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firmware: globally enable LTO. 

This used to crash with earlier rustc versions, but doesn't anymore,
and gives significant speedup (e.g. 2x on test_dma_record_time).
This commit is contained in:
whitequark 2018-08-12 19:11:48 +00:00
parent 5da45f9486
commit a8615cdbcf
2 changed files with 2 additions and 2 deletions
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1
artiq/firmware/Cargo.toml
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@ -3,4 +3,5 @@ members = ["bootloader", "runtime", "ksupport", "satman"]
[profile.dev] [profile.dev]
incremental = false # incompatible with LTO incremental = false # incompatible with LTO
lto = true
debug = 2 debug = 2

3
artiq/firmware/bootloader/Makefile
View File

@ -7,8 +7,7 @@ all:: bootloader.bin
.PHONY: $(RUSTOUT)/libbootloader.a .PHONY: $(RUSTOUT)/libbootloader.a
$(RUSTOUT)/libbootloader.a: $(RUSTOUT)/libbootloader.a:
$(cargo) --manifest-path $(BOOTLOADER_DIRECTORY)/Cargo.toml -- \ $(cargo) --manifest-path $(BOOTLOADER_DIRECTORY)/Cargo.toml
-Clto
bootloader.elf: $(RUSTOUT)/libbootloader.a bootloader.elf: $(RUSTOUT)/libbootloader.a
$(link) -T $(BOOTLOADER_DIRECTORY)/bootloader.ld $(link) -T $(BOOTLOADER_DIRECTORY)/bootloader.ld