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[AArch64][SVE] Break false dependencies for inactive lanes of FP unary operations
authorPeter Waller <peter.waller@arm.com>
Mon, 15 Nov 2021 09:02:52 +0000 (09:02 +0000)
committerPeter Waller <peter.waller@arm.com>
Mon, 15 Nov 2021 09:15:21 +0000 (09:15 +0000)
commit599ea3e73fcd6b280bef5bbb8af8db4878e1254b
tree1a1e9187ec2f0997408d888a06bcdbe1c071dc4ftree | snapshot
parentfaf869dc6560844e14eada04f8c8d9dd34d0bf7dcommit | diff
[AArch64][SVE] Break false dependencies for inactive lanes of FP unary operations

Follow up to D105889, covering instructions using sve_fp_2op_p_zd_HSD:
frintn, frintp, frintm, frintz, frinta, frintx, frinti, frecpx and
fsqrt.

Reviewed By: bsmith

Differential Revision: https://reviews.llvm.org/D113485
llvm/lib/Target/AArch64/SVEInstrFormats.td diff | blob | history
llvm/test/CodeGen/AArch64/sve-unary-movprfx.ll diff | blob | history
Domain: System / Toolchain;