diff options
Diffstat (limited to 'llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp | 66 |
1 files changed, 41 insertions, 25 deletions
diff --git a/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp b/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp index c204683f4e79..055193bcc2c8 100644 --- a/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp +++ b/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp @@ -287,34 +287,48 @@ RISCVLegalizerInfo::RISCVLegalizerInfo(const RISCVSubtarget &ST) auto &LoadActions = getActionDefinitionsBuilder(G_LOAD); auto &StoreActions = getActionDefinitionsBuilder(G_STORE); + auto &ExtLoadActions = getActionDefinitionsBuilder({G_SEXTLOAD, G_ZEXTLOAD}); - LoadActions - .legalForTypesWithMemDesc({{s32, p0, s8, 8}, - {s32, p0, s16, 16}, - {s32, p0, s32, 32}, - {p0, p0, sXLen, XLen}}); - StoreActions - .legalForTypesWithMemDesc({{s32, p0, s8, 8}, - {s32, p0, s16, 16}, - {s32, p0, s32, 32}, - {p0, p0, sXLen, XLen}}); - auto &ExtLoadActions = - getActionDefinitionsBuilder({G_SEXTLOAD, G_ZEXTLOAD}) - .legalForTypesWithMemDesc({{s32, p0, s8, 8}, {s32, p0, s16, 16}}); + // Return the alignment needed for scalar memory ops. If unaligned scalar mem + // is supported, we only require byte alignment. Otherwise, we need the memory + // op to be natively aligned. + auto getScalarMemAlign = [&ST](unsigned Size) { + return ST.enableUnalignedScalarMem() ? 8 : Size; + }; + + LoadActions.legalForTypesWithMemDesc( + {{s32, p0, s8, getScalarMemAlign(8)}, + {s32, p0, s16, getScalarMemAlign(16)}, + {s32, p0, s32, getScalarMemAlign(32)}, + {p0, p0, sXLen, getScalarMemAlign(XLen)}}); + StoreActions.legalForTypesWithMemDesc( + {{s32, p0, s8, getScalarMemAlign(8)}, + {s32, p0, s16, getScalarMemAlign(16)}, + {s32, p0, s32, getScalarMemAlign(32)}, + {p0, p0, sXLen, getScalarMemAlign(XLen)}}); + ExtLoadActions.legalForTypesWithMemDesc( + {{s32, p0, s8, getScalarMemAlign(8)}, + {s32, p0, s16, getScalarMemAlign(16)}}); if (XLen == 64) { - LoadActions.legalForTypesWithMemDesc({{s64, p0, s8, 8}, - {s64, p0, s16, 16}, - {s64, p0, s32, 32}, - {s64, p0, s64, 64}}); - StoreActions.legalForTypesWithMemDesc({{s64, p0, s8, 8}, - {s64, p0, s16, 16}, - {s64, p0, s32, 32}, - {s64, p0, s64, 64}}); + LoadActions.legalForTypesWithMemDesc( + {{s64, p0, s8, getScalarMemAlign(8)}, + {s64, p0, s16, getScalarMemAlign(16)}, + {s64, p0, s32, getScalarMemAlign(32)}, + {s64, p0, s64, getScalarMemAlign(64)}}); + StoreActions.legalForTypesWithMemDesc( + {{s64, p0, s8, getScalarMemAlign(8)}, + {s64, p0, s16, getScalarMemAlign(16)}, + {s64, p0, s32, getScalarMemAlign(32)}, + {s64, p0, s64, getScalarMemAlign(64)}}); ExtLoadActions.legalForTypesWithMemDesc( - {{s64, p0, s8, 8}, {s64, p0, s16, 16}, {s64, p0, s32, 32}}); + {{s64, p0, s8, getScalarMemAlign(8)}, + {s64, p0, s16, getScalarMemAlign(16)}, + {s64, p0, s32, getScalarMemAlign(32)}}); } else if (ST.hasStdExtD()) { - LoadActions.legalForTypesWithMemDesc({{s64, p0, s64, 64}}); - StoreActions.legalForTypesWithMemDesc({{s64, p0, s64, 64}}); + LoadActions.legalForTypesWithMemDesc( + {{s64, p0, s64, getScalarMemAlign(64)}}); + StoreActions.legalForTypesWithMemDesc( + {{s64, p0, s64, getScalarMemAlign(64)}}); } // Vector loads/stores. @@ -541,7 +555,9 @@ RISCVLegalizerInfo::RISCVLegalizerInfo(const RISCVSubtarget &ST) // FIXME: We can do custom inline expansion like SelectionDAG. // FIXME: Legal with Zfa. - getActionDefinitionsBuilder({G_FCEIL, G_FFLOOR}) + getActionDefinitionsBuilder({G_FCEIL, G_FFLOOR, G_FRINT, G_FNEARBYINT, + G_INTRINSIC_TRUNC, G_INTRINSIC_ROUND, + G_INTRINSIC_ROUNDEVEN}) .libcallFor({s32, s64}); getActionDefinitionsBuilder(G_VASTART).customFor({p0}); |