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GCC 10 now enable by default -ftree-loop-distribute-patterns at -O2 or -Os optimization level instead of -O3, see commit [1]. Due to this change, the microblaze kernel doesn't boot (as reported by toolchain-builder project). The gcc docs between version 9 and 10 has been updated accordingly [2] [3] but there no word about this change in the gcc 10 changelog [4]. Fixes microblazebe: https://gitlab.com/bootlin/toolchains-builder/-/jobs/729359536 (glibc) https://gitlab.com/bootlin/toolchains-builder/-/jobs/729359538 (musl) https://gitlab.com/bootlin/toolchains-builder/-/jobs/729359540 (uClubc-ng) Fixes microblazeel: https://gitlab.com/bootlin/toolchains-builder/-/jobs/729359542 (glibc) https://gitlab.com/bootlin/toolchains-builder/-/jobs/729359544 (musl) https://gitlab.com/bootlin/toolchains-builder/-/jobs/729359546 (uClibc-ng) This has been reported upsteam [5]. [1] https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=5879ab5fafedc8f6f9bfe95a4cf8501b0df90edd [2] https://gcc.gnu.org/onlinedocs/gcc-9.3.0/gcc/Optimize-Options.html#Optimize-Options [3] https://gcc.gnu.org/onlinedocs/gcc-10.2.0/gcc/Optimize-Options.html#Optimize-Options [4] https://gcc.gnu.org/gcc-10/changes.html [5] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97208 Signed-off-by: Romain Naour <romain.naour@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> |
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| toolchain | ||
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| toolchain-external | ||
| Config.in | ||
| helpers.mk | ||
| toolchain-wrapper.c | ||
| toolchain-wrapper.mk | ||
| toolchain.mk | ||