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# cb0c034e 05-Jan-2021 Stefan Pintilie <[email protected]>

[PowerPC] Fix issue where vsrq is given incorrect shift vector

The new Power10 instruction vsrq was being given the wrong shift vector.
The original code assumed that the shift would be found in bit

[PowerPC] Fix issue where vsrq is given incorrect shift vector

The new Power10 instruction vsrq was being given the wrong shift vector.
The original code assumed that the shift would be found in bits 121 to 127.
This is not correct. The shift is found in bits 57 to 63.
This can be fixed by swaping the first and second double words.

Reviewed By: nemanjai, #powerpc

Differential Revision: https://reviews.llvm.org/D94113

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Revision tags: llvmorg-11.0.1, llvmorg-11.0.1-rc2, llvmorg-11.0.1-rc1, llvmorg-11.0.0, llvmorg-11.0.0-rc6, llvmorg-11.0.0-rc5, llvmorg-11.0.0-rc4, llvmorg-11.0.0-rc3, llvmorg-11.0.0-rc2
# 3136cbe2 12-Aug-2020 Albion Fung <[email protected]>

[PowerPC] Implement Vector Shift Builtins

This patch implements the builtins for the vector shifts (shl, srl, sra), and
adds the appropriate test cases for these builtins. The builtins utilize the

[PowerPC] Implement Vector Shift Builtins

This patch implements the builtins for the vector shifts (shl, srl, sra), and
adds the appropriate test cases for these builtins. The builtins utilize the
vector shift instructions introduced within ISA 3.1.

Differential Revision: https://reviews.llvm.org/D83338

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