[llvm] [AArch64][SME]Check streaming mode when using SME2 instruction in fra… (PR #109680)
Eli Friedman via llvm-commits
llvm-commits at lists.llvm.org
Wed Sep 25 11:17:48 PDT 2024
efriedma-quic wrote:
aarch64_pstate_sm_body is locally streaming, where we're not in streaming mode at entry, but the prologue switches into streaming mode. aarch64_pstate_sm_compatible is streaming-compatible: at the entry point, we don't know whether we're in streaming mode, so we can only use the subset of instructions that are legal inside and outside streaming mode.
https://github.com/llvm/llvm-project/pull/109680
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