Make apple mobile targets R2R size optimized by default#130128
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Pass `--Os` which should instruct the compiler to generate compact code.
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Pull request overview
Updates the Crossgen2 MSBuild targets to make Apple mobile (iOS/tvOS/simulators/MacCatalyst) ReadyToRun compilation favor smaller code size by default, by adding the Crossgen2 --Os flag and consolidating RID checks into a single helper property.
Changes:
- Introduces a
_IsIOSLikeRidMSBuild property to centralize Apple mobile RID detection. - Applies existing iOS-like defaults (disable R2R symbol emission, strip inlining/debug info) using the new helper property.
- Appends
--OstoPublishReadyToRunCrossgen2ExtraArgsfor iOS-like RIDs to favor size-optimized codegen.
jkotas
approved these changes
Jul 2, 2026
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We had two PRs cross which is causing a build break for Wasm. I'll get a PR up shortly. |
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Pass
--Oswhich should instruct the compiler to generate compact code. Refactor code to avoid conditional duplication.Reduces code size by about 1.5%
This change needs to be done in the sdk as well.