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[FMV][AArch64] Remove features which expose non exploitable runtime behavior. #355

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Nov 6, 2024
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4 changes: 1 addition & 3 deletions main/acle.md
Original file line number Diff line number Diff line change
Expand Up @@ -419,6 +419,7 @@ Armv8.4-A [[ARMARMv84]](#ARMARMv84). Support is added for the Dot Product intrin
* Unified Function Multi Versioning features memtag and memtag2.
* Unified Function Multi Versioning features aes and pmull.
* Unified Function Multi Versioning features sve2-aes and sve2-pmull128.
* Removed Function Multi Versioning features ebf16, memtag3, and rpres.
* Fixed range of operand `o0` (too small) in AArch64 system register designations.
* Fixed SVE2.1 quadword gather load/scatter store intrinsics.

Expand Down Expand Up @@ -2803,8 +2804,6 @@ The following table lists the architectures feature mapping for AArch64
| 260 | `FEAT_DGH` | dgh | ```ID_AA64ISAR1_EL1.DGH >= 0b0001``` |
| 270 | `FEAT_I8MM` | i8mm | ```ID_AA64ISAR1_EL1.I8MM >= 0b0001``` |
| 280 | `FEAT_BF16` | bf16 | ```ID_AA64ISAR1_EL1.BF16 >= 0b0001``` |
| 290 | `FEAT_EBF16` | ebf16 | ```ID_AA64ISAR1_EL1.BF16 >= 0b0010``` |
| 300 | `FEAT_RPRES` | rpres | ```ID_AA64ISAR2_EL1.RPRES >= 0b0001``` |
| 310 | `FEAT_SVE` | sve | ```ID_AA64PFR0_EL1.SVE >= 0b0001``` |
| 320 | `FEAT_BF16` | sve-bf16 | ```ID_AA64ZFR0_EL1.BF16 >= 0b0001``` |
| 330 | `FEAT_EBF16` | sve-ebf16 | ```ID_AA64ZFR0_EL1.BF16 >= 0b0010``` |
Expand All @@ -2818,7 +2817,6 @@ The following table lists the architectures feature mapping for AArch64
| 420 | `FEAT_SM3`, `FEAT_SVE_SM4` | sve2-sm4 | ```ID_AA64ZFR0_EL1.SM4 >= 0b0001``` |
| 430 | `FEAT_SME` | sme | ```ID_AA64PFR1_EL1.SME >= 0b0001``` |
| 440 | `FEAT_MTE`, `FEAT_MTE2` | memtag | ```ID_AA64PFR1_EL1.MTE >= 0b0010``` |
| 460 | `FEAT_MTE3` | memtag3 | ```ID_AA64PFR1_EL1.MTE >= 0b0011``` |
| 470 | `FEAT_SB` | sb | ```ID_AA64ISAR1_EL1.SB >= 0b0001``` |
| 480 | `FEAT_SPECRES` | predres | ```ID_AA64ISAR1_EL1.SPECRES >= 0b0001``` |
| 490 | `FEAT_SSBS`, `FEAT_SSBS2`| ssbs | ```ID_AA64PFR1_EL1.SSBS >= 0b0010``` |
Expand Down