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target/arm: Implement FEAT_FPAC and FEAT_FPACCOMBINE

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Signed-off-by: Aaron Lindsay <aaron@os.amperecomputing.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230829232335.965414-10-richard.henderson@linaro.org
Message-Id: <20230609172324.982888-8-aaron@os.amperecomputing.com>
[rth: Simplify fpac comparison, reusing cmp_mask]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Aaron Lindsay 2023-08-29 16:23:32 -07:00 • committed by Peter Maydell
parent 28b9dcb74b
commit 8a69a42340
4 changed files with 27 additions and 2 deletions
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docs/system/arm/emulation.rst
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@ -35,6 +35,8 @@ the following architecture extensions:
- FEAT_FGT (Fine-Grained Traps)
- FEAT_FHM (Floating-point half-precision multiplication instructions)
- FEAT_FP16 (Half-precision floating-point data processing)
- FEAT_FPAC (Faulting on AUT* instructions)
- FEAT_FPACCOMBINE (Faulting on combined pointer authentication instructions)
- FEAT_FRINTTS (Floating-point to integer instructions)
- FEAT_FlagM (Flag manipulation instructions v2)
- FEAT_FlagM2 (Enhancements to flag manipulation instructions)