Add support for simplify ">>" and "<<" in <imm>#345
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mkannwischer
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Oct 15, 2025
- This commit add the "<<", ">>" support for immediate value. e.g., "movs r0,#38<<1" - this simplify support all three architecture: aarch64_neon, arch_v7m, arch_v81m. Signed-off-by: willieyz <willie.zhao@chelpis.com>
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LGTM. Thanks @willieyz!
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During PR Add instruction support for Curve25519 armv7-M optimization tasks #341, we noticed that some shifted immediate values need to be handled.
This PR adds support for simplifying shift operators (<< and >>) applied to immediate values.
For example:
movs r0, #38 << 1will be simplified tomovs r0, #76.Apply on following architecture model:
aarch_neonarch_v7march_v81m