jpienaar added inline comments.
================
Comment at: llvm/lib/Target/NVPTX/NVPTXInstrInfo.td:3352
- // Coalesce two bf16 registers into bf16x2
- def BuildBF16x2 : NVPTXInst<(outs BFloat16x2Regs:$dst),
- (ins BFloat16Regs:$a, BFloat16Regs:$b),
- "mov.b32 \t$dst, {{$a, $b}};",
- [(set (v2bf16 BFloat16x2Regs:$dst),
- (build_vector (bf16 BFloat16Regs:$a), (bf16
BFloat16Regs:$b)))]>;
-
- // Directly initializing underlying the b32 register is one less SASS
- // instruction than than vector-packing move.
- def BuildBF16x2i : NVPTXInst<(outs BFloat16x2Regs:$dst), (ins i32imm:$src),
- "mov.b32 \t$dst, $src;",
- []>;
-
- // Split f16x2 into two f16 registers.
- def SplitBF16x2 : NVPTXInst<(outs BFloat16Regs:$lo, BFloat16Regs:$hi),
- (ins BFloat16x2Regs:$src),
- "mov.b32 \t{{$lo, $hi}}, $src;",
- []>;
- // Split an i32 into two f16
- def SplitI32toBF16x2 : NVPTXInst<(outs BFloat16Regs:$lo, BFloat16Regs:$hi),
- (ins Int32Regs:$src),
- "mov.b32 \t{{$lo, $hi}}, $src;",
- []>;
+ // // Coalesce two bf16 registers into bf16x2
+ // def BuildBF16x2 : NVPTXInst<(outs BFloat16x2Regs:$dst),
----------------
Could these commented parts be dropped?
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D144911/new/
https://reviews.llvm.org/D144911
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
