On 8/13/23 20:11, Hans-Peter Nilsson wrote:
On Mon, 1 May 2023, Jeff Law wrote:
Spurred by Segher's RFC, I went ahead and tested several ports with LRA
enabled. Not surprisingly, many failed, but a few built their full set of
libraries successful and of those a few even ran their testsuites with no
regressions. In fact, enabling LRA fixes a small number of failures on the
iq2000 port.
This patch converts the ports which built their libraries and have test
results that are as good as or better than without LRA. There may be minor
code quality regressions or there may be minor code quality improvements --
I'm leaving that for the port maintainers to own going forward.
How do you configure your builds? Perhaps your cross-builds
exclude C++? I found that this (r14-383) broke MMIX building
libstdc++-v3 from that commit up to and including r14-3180.
See commit r14-3187.
Mine configure without C++ for the embedded targets. So that would
explain why my testing was clean and yours failed during build time.
Thankfully there was just one single gotcha. I temporarily
reverted the LRA change for MMIX so that I can get honest
repeatable baseline results. There seems to have been one
test-case regressing from the LRA switch (PR53948), thus I
re-enabled LRA for MMIX again. Sorry for the late reaction.
Thanks. ANd I'm sorry for 1. breaking things and 2. for responding so
damn slowly.
jeff
