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| author | LDj3SNuD <35856442+LDj3SNuD@users.noreply.github.com> | 2021-01-04 23:45:54 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-01-04 23:45:54 +0100 |
| commit | 430ba6da65a781196db7d723cc88710bb7f5caf8 (patch) | |
| tree | a7ed55f638dde795f4270a324fa5338ffb80ee12 /ARMeilleure/Instructions/SoftFallback.cs | |
| parent | a03ab0c4a0bef3c168874dc2105c43c9051e0807 (diff) | |
CPU (A64): Add Pmull_V Inst. with Clmul fast path for the "1/2D -> 1Q" variant & Sse fast path and slow path for both the "8/16B -> 8H" and "1/2D -> 1Q" variants; with Test. (#1817)
* Add Pmull_V Sse fast path only, both "8/16B -> 8H" and "1/2D -> 1Q" variants; with Test.
* Add Clmul fast path for the 128 bits variant.
* Small optimisation (save 60 instructions) for the Sse fast path about the 128 bits variant.
* Add slow path, both variants. Fix V128 Shl/Shr when shift = 0.
* A32: Add Vmull_I P64 variant (slow path); not tested.
* A32: Add Vmull_I_P8_P64 Test and fix P64 variant.
Diffstat (limited to 'ARMeilleure/Instructions/SoftFallback.cs')
| -rw-r--r-- | ARMeilleure/Instructions/SoftFallback.cs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/ARMeilleure/Instructions/SoftFallback.cs b/ARMeilleure/Instructions/SoftFallback.cs index ef00fd9d..1d8fa2e2 100644 --- a/ARMeilleure/Instructions/SoftFallback.cs +++ b/ARMeilleure/Instructions/SoftFallback.cs @@ -1260,5 +1260,22 @@ namespace ARMeilleure.Instructions : (uint)(value >> 32); } #endregion + + public static V128 PolynomialMult64_128(ulong op1, ulong op2) + { + V128 result = V128.Zero; + + V128 op2_128 = new V128(op2, 0); + + for (int i = 0; i < 64; i++) + { + if (((op1 >> i) & 1) == 1) + { + result ^= op2_128 << i; + } + } + + return result; + } } } |