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arch-arm: Add support for Armv8.2-DotProd NEON extension.

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Add support for the Armv8.2-DotProd NEON extension. This provides the
SDOT and UDOT SIMD Dot Product instructions.

For more information please refer to the Arm Architecture Reference
Manual (https://developer.arm.com/documentation/ddi0487/latest/).

Change-Id: I4caa3b97a74c65f32421487c55c3e36427194e61
Reviewed-by: Richard Cooper <richard.cooper@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/70736
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
This commit is contained in:
Richard Cooper
2020-11-09 18:56:31 +00:00
committed by Bobby Bruce
parent fab3d8a1c1
commit eb4f83b178
5 changed files with 107 additions and 0 deletions
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3
src/arch/arm/ArmSystem.py
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@@ -81,6 +81,7 @@ class ArmExtension(ScopedEnum):
"FEAT_F32MM", # Optional in Armv8.2
"FEAT_F64MM", # Optional in Armv8.2
"FEAT_I8MM", # Optional in Armv8.2
"FEAT_DOTPROD", # Optional in Armv8.2
# Armv8.3
"FEAT_FCMA",
"FEAT_JSCVT",
@@ -169,6 +170,7 @@ class ArmDefaultRelease(Armv8):
"FEAT_F32MM",
"FEAT_F64MM",
"FEAT_I8MM",
"FEAT_DOTPROD",
# Armv8.3
"FEAT_FCMA",
"FEAT_JSCVT",
@@ -205,6 +207,7 @@ class Armv82(Armv81):
"FEAT_F32MM",
"FEAT_F64MM",
"FEAT_I8MM",
"FEAT_DOTPROD",
]