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Aarch64 call abi does not zeroext (and one cannot assume it does so) #97800
Aarch64 call abi does not zeroext (and one cannot assume it does so) #97800
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Nit: I wonder if we should pull this logic into a method on
ParamExtension
instead of duplicating it at these two places?There was a problem hiding this comment.
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We have a test setup for ABI tests with
auxiliary/rust_test_helpers.c
andui/abi
. Can that mechanism be used instead?There was a problem hiding this comment.
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let me go inspect that.
(whatever it is, it will need to use
-O
to replicate the problems here...)There was a problem hiding this comment.
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auxiliary/rust_test_helpers.c
doesn't currently include<stdlib.h>
, which is "needed" here if we want to reproduce the original test faithfully, in that it callsmalloc
. (And given how sensitive reproducing the failure is to small changes, I'm inclined to assume thatmalloc
is a necessity.)@nagisa do you know offhand if we are deliberately trying to avoid introducing a dependence from
rust_test_helpers.c
uponstdlib.h
and/ormalloc
itself, perhaps to ensure we can compile the file on esoteric targets that do not have that available? Just curious.I'll keep moving forward with trying to move this test into
auxiliary/rust_test_helpers.c
, under the assumption that we can add such a dependence. But given the amount of work I put into getting the codegen tests working, I'm sort of inclined to just live with a run-make test here, if I encounter any hurdles on the way...