[release/8.0] Arm64: Pass the small size accurately to emitIns_valid_imm_for_ldst_offset #92041
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Tagging subscribers to this area: @JulieLeeMSFT, @jakobbotsch Issue DetailsBackport of #91741 to release/8.0 /cc @kunalspathak Customer ImpactTestingRiskIMPORTANT: If this backport is for a servicing release, please verify that:
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BruceForstall
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Sep 14, 2023
jeffschwMSFT
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Backport of #91741 to release/8.0
/cc @kunalspathak
Customer Impact
We sometimes end up choosing a wrong encoding for instruction that needs to load byte/short from memory. This might lead to bad code generated and wrong functional output.
Testing
Manually verified the failing test case and clean CI.
Risk
Low because this scenario happens where frame is larger than usual mostly during OSR when we are trying to load byte/short from tier-0 stack frame.
IMPORTANT: If this backport is for a servicing release, please verify that:
The PR target branch is
release/X.0-staging, notrelease/X.0.If the change touches code that ships in a NuGet package, you have added the necessary package authoring and gotten it explicitly reviewed.