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Summary:
These changes allow us to support sign-extending gather loads with the
exisiting intrinsics (i.e. @llvm.aarch64.sve.ld1.gather.*).
Reviewers: sdesmalen, huntergr, kmclaughlin, efriedma, rengolin, rovka, dancgr, mgudim
Reviewed By: sdesmalen
Subscribers: tschuett, kristof.beyls, hiraditya, rkruppe, psnobl, llvm-commits
Tags: #llvm
Differential revision: https://reviews.llvm.org/D70812
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This patch adds the following intrinsics for gather loads with 64-bit offsets:
* @llvm.aarch64.sve.ld1.gather (unscaled offset)
* @llvm.aarch64.sve.ld1.gather.index (scaled offset)
These intrinsics map 1-1 to the following AArch64 instructions respectively (examples for half-words):
* ld1h { z0.d }, p0/z, [x0, z0.d]
* ld1h { z0.d }, p0/z, [x0, z0.d, lsl #1]
Committing on behalf of Andrzej Warzynski (andwar)
Reviewers: sdesmalen, huntergr, rovka, mgudim, dancgr, rengolin, efriedma
Reviewed By: efriedma
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D70542
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