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| author | Richard Henderson <richard.henderson@linaro.org> | 2024-04-16 20:43:00 -0700 |
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| committer | Richard Henderson <richard.henderson@linaro.org> | 2024-05-15 10:03:44 +0200 |
| commit | d27fe7c3af30a9b6281e7aafb5d603efe64ff939 (patch) | |
| tree | b947bed44fe177b37fe06d08fc462e49f22ba84b /scripts/xml-preprocess-test.py | |
| parent | ebc9401a4067fd61afea811d1d059d8ac0fc5db9 (diff) | |
| download | focaccia-qemu-d27fe7c3af30a9b6281e7aafb5d603efe64ff939.tar.gz focaccia-qemu-d27fe7c3af30a9b6281e7aafb5d603efe64ff939.zip | |
target/hppa: Manage PSW_X and PSW_B in translator
PSW_X is cleared after every instruction, and only set by RFI. PSW_B is cleared after every non-branch, or branch not taken, and only set by taken branches. We can clear both bits with a single store, at most once per TB. Taken branches set PSW_B, at most once per TB. Reviewed-by: Helge Deller <deller@gmx.de> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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