[PATCH] D99454: [RISCV] Add vfabs.v pseudo instruction.

[Hsiangkai Wang via Phabricator via llvm-commits]

HsiangKai created this revision.
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Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D99454

Files:
  llvm/lib/Target/RISCV/RISCVInstrInfoV.td
  llvm/test/MC/RISCV/rvv/aliases.s


Index: llvm/test/MC/RISCV/rvv/aliases.s
===================================================================
--- llvm/test/MC/RISCV/rvv/aliases.s
+++ llvm/test/MC/RISCV/rvv/aliases.s
@@ -75,3 +75,6 @@
 # ALIAS:    vfneg.v         v2, v1, v0.t     # encoding: [0x57,0x91,0x10,0x24]
 # NO-ALIAS: vfsgnjn.vv      v2, v1, v1, v0.t # encoding: [0x57,0x91,0x10,0x24]
 vfneg.v v2, v1, v0.t 
+# ALIAS:    vfabs.v         v2, v1, v0.t     # encoding: [0x57,0x91,0x10,0x28]
+# NO-ALIAS: vfsgnjx.vv      v2, v1, v1, v0.t # encoding: [0x57,0x91,0x10,0x28]
+vfabs.v v2, v1, v0.t
Index: llvm/lib/Target/RISCV/RISCVInstrInfoV.td
===================================================================
--- llvm/lib/Target/RISCV/RISCVInstrInfoV.td
+++ llvm/lib/Target/RISCV/RISCVInstrInfoV.td
@@ -818,6 +818,8 @@
 
 def : InstAlias<"vfneg.v $vd, $vs$vm",
                 (VFSGNJN_VV VR:$vd, VR:$vs, VR:$vs, VMaskOp:$vm)>;
+def : InstAlias<"vfabs.v $vd, $vs$vm",
+                (VFSGNJX_VV VR:$vd, VR:$vs, VR:$vs, VMaskOp:$vm)>;
 
 // Vector Floating-Point Compare Instructions
 let RVVConstraint = NoConstraint in {


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