[PATCH] D117191: [RISCV] Add "isrv64" predicate in xperm.w pattern

WangLian via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jan 13 00:04:05 PST 2022


Jimerlife created this revision.
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xperm.w is only for RV64 target


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D117191

Files:
  llvm/lib/Target/RISCV/RISCVInstrInfoZb.td


Index: llvm/lib/Target/RISCV/RISCVInstrInfoZb.td
===================================================================
--- llvm/lib/Target/RISCV/RISCVInstrInfoZb.td
+++ llvm/lib/Target/RISCV/RISCVInstrInfoZb.td
@@ -838,13 +838,15 @@
 def : PatGprGpr<int_riscv_xperm_n, XPERMN>;
 def : PatGprGpr<int_riscv_xperm_b, XPERMB>;
 def : PatGprGpr<int_riscv_xperm_h, XPERMH>;
-def : PatGprGpr<int_riscv_xperm_w, XPERMW>;
 def : PatGprImm<riscv_shfl, SHFLI, shfl_uimm>;
 def : PatGprImm<riscv_unshfl, UNSHFLI, shfl_uimm>;
 def : PatGprImm<riscv_grev, GREVI, uimmlog2xlen>;
 def : PatGprImm<riscv_gorc, GORCI, uimmlog2xlen>;
 } // Predicates = [HasStdExtZbp]
 
+let Predicates = [HasStdExtZbp, IsRV64] in
+def : PatGprGpr<int_riscv_xperm_w, XPERMW>;
+
 let Predicates = [HasStdExtZbp, IsRV32] in {
 def : Pat<(i32 (rotr (riscv_grev GPR:$rs1, 24), (i32 16))), (GREVI GPR:$rs1, 8)>;
 def : Pat<(i32 (rotl (riscv_grev GPR:$rs1, 24), (i32 16))), (GREVI GPR:$rs1, 8)>;


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