https://bugs.llvm.org/show_bug.cgi?id=33005
Bug ID: 33005
Summary: LLVM Cross Compile for AARCH64 failing to find ARM
intrinsics
Product: new-bugs
Version: 4.0
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: mboudre...@panicbuttongames.com
CC: llvm-bugs@lists.llvm.org
When using cross compile with an Arch of "aarch64" and feature "+neon" (or
simply setting the target CPU to cortex-a57), and providing it a simple
application that does an rsqrt will fail with the following error:
LLVM ERROR: Cannot select: intrinsic %llvm.arm.neon.vrsqrts
cortex-a57 does support that intrinsic, but it appears LLVM is looking only at
the llvm.aarch64 intrinsics table without also checking the llvm.arm table.
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