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Ryan Houdek
a823d918c2
The current separated adr and adrp handlers are difficult to use if you don't know if the resulting address is going to be within 1MB or 4GB. Adds a `LongAddressGen` helper that will generate the various pieces of code that will need to be emitted. Backward labels: - Can generate three different code segments depending on distance to label - adr if label is within 1MB - adrp if label is 4K page aligned and within 4GB - adrp+add if label is within 4GB Forward labels: - Can generate three different code segments depending on distance to label - nop+adr if label is within 1MB - nop+adrp if label is 4K page aligned and within 4GB - adrp+add if label is within 4GB There is still the limitation that this can't generate addresses to labels that are >4GB away. Which is fine.