Fix ARM64 ADRP page-relative address calculation

[ada-l0velace]

The incorrect part was ADRP handling: it stored only the page-relative immediate instead of adding the instruction’s page-aligned PC, so folded ARM64 global loads resolved to the wrong address.

Arm64 Documentation:

• https://developer.arm.com/documentation/ddi0602/2026-03/Base-Instructions/ADRP--Form-PC-relative-address-to-4KB-page-

[coveralls]

Coverage Report for CI Build 28753900103

Coverage decreased (-0.001%) to 36.138%

Details

• Coverage decreased (-0.001%) from the base build.
• Patch coverage: 2 uncovered changes across 1 file (0 of 2 lines covered, 0.0%).
• No coverage regressions found.

Uncovered Changes

File	Changed	Covered	%
Cpp2IL.Core/InstructionSets/NewArmV8InstructionSet.cs	2	0	0.0%

Coverage Regressions

No coverage regressions found.

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Coverage Stats

Relevant Lines:	12922
Covered Lines:	5053
Line Coverage:	39.1%
Relevant Branches:	8474
Covered Branches:	2679
Branch Coverage:	31.61%
Branches in Coverage %:	Yes
Coverage Strength:	166670.53 hits per line

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💛 - Coveralls