diff options
Diffstat (limited to 'llvm/lib/Target/WebAssembly')
| -rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td b/llvm/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td index f0ac26b..14097d7 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td +++ b/llvm/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td @@ -1336,22 +1336,25 @@ def pmax : PatFrags<(ops node:$lhs, node:$rhs), [ ]>; defm PMAX : SIMDBinaryFP<pmax, "pmax", 235>; +multiclass PMinMaxInt<Vec vec, NI baseMinInst, NI baseMaxInst> { + def : Pat<(vec.int_vt (vselect + (setolt (vec.vt (bitconvert V128:$rhs)), + (vec.vt (bitconvert V128:$lhs))), + V128:$rhs, V128:$lhs)), + (baseMinInst $lhs, $rhs)>; + def : Pat<(vec.int_vt (vselect + (setolt (vec.vt (bitconvert V128:$lhs)), + (vec.vt (bitconvert V128:$rhs))), + V128:$rhs, V128:$lhs)), + (baseMaxInst $lhs, $rhs)>; +} // Also match the pmin/pmax cases where the operands are int vectors (but the // comparison is still a floating point comparison). This can happen when using // the wasm_simd128.h intrinsics because v128_t is an integer vector. foreach vec = [F32x4, F64x2, F16x8] in { -defvar pmin = !cast<NI>("PMIN_"#vec); -defvar pmax = !cast<NI>("PMAX_"#vec); -def : Pat<(vec.int_vt (vselect - (setolt (vec.vt (bitconvert V128:$rhs)), - (vec.vt (bitconvert V128:$lhs))), - V128:$rhs, V128:$lhs)), - (pmin $lhs, $rhs)>; -def : Pat<(vec.int_vt (vselect - (setolt (vec.vt (bitconvert V128:$lhs)), - (vec.vt (bitconvert V128:$rhs))), - V128:$rhs, V128:$lhs)), - (pmax $lhs, $rhs)>; + defvar pmin = !cast<NI>("PMIN_"#vec); + defvar pmax = !cast<NI>("PMAX_"#vec); + defm : PMinMaxInt<vec, pmin, pmax>; } // And match the pmin/pmax LLVM intrinsics as well @@ -1756,6 +1759,15 @@ let Predicates = [HasRelaxedSIMD] in { (relaxed_max V128:$lhs, V128:$rhs)>; def : Pat<(vec.vt (fmaximumnum (vec.vt V128:$lhs), (vec.vt V128:$rhs))), (relaxed_max V128:$lhs, V128:$rhs)>; + + // Transform pmin/max-supposed patterns to relaxed min max + let AddedComplexity = 1 in { + def : Pat<(vec.vt (pmin (vec.vt V128:$lhs), (vec.vt V128:$rhs))), + (relaxed_min $lhs, $rhs)>; + def : Pat<(vec.vt (pmax (vec.vt V128:$lhs), (vec.vt V128:$rhs))), + (relaxed_max $lhs, $rhs)>; + defm : PMinMaxInt<vec, relaxed_min, relaxed_max>; + } } } |