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authorChristian Krinitsin <mail@krinitsin.com>2025-07-17 09:10:43 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-07-17 09:10:43 +0200
commitf2ec263023649e596c5076df32c2d328bc9393d2 (patch)
tree5dd86caab46e552bd2e62bf9c4fb1a7504a44db4 /results/scraper/fex/88
parent63d2e9d409831aa8582787234cae4741847504b7 (diff)
downloadqemu-analysis-main.tar.gz
qemu-analysis-main.zip
add downloaded fex bug-reports HEAD main
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+Implement RA reg class conflict support
+We need to support register class conflicts in the RA.

+This is because we need the regular GPR class, and an additional GPR pair class.

+AArch64 CASP instructions mandate that the Expected and Desired arguments are two pairs of registers that are consecutive and start at an even offset.

+So we need register pairs in one class `{x0, x1}, {x2, x3}, ...` That conflict with the regular GPR class when those are in use `x0, x1, x2, x3,...`
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