diff options
Diffstat (limited to 'backend/lib/Target')
| -rw-r--r-- | backend/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/backend/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp b/backend/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp index b87eaca..0dd99da 100644 --- a/backend/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp +++ b/backend/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp @@ -363,7 +363,11 @@ RISCVLegalizerInfo::RISCVLegalizerInfo(const RISCVSubtarget &Subtarget) { .customFor(HasZbb, {{S32, S32}}) .lower(); getActionDefinitionsBuilder(opcode(GenericOpcode::G_BITREVERSE)).maxScalar(0, S64).lower(); - getActionDefinitionsBuilder(opcode(GenericOpcode::G_BSWAP)).maxScalar(0, S64).lower(); + auto &ByteSwapActions = getActionDefinitionsBuilder(opcode(GenericOpcode::G_BSWAP)); + if (HasZbb) + ByteSwapActions.legalFor({S64}).clampScalar(0, S64, S64); + else + ByteSwapActions.maxScalar(0, S64).lower(); getActionDefinitionsBuilder( {opcode(GenericOpcode::G_CTLZ), opcode(GenericOpcode::G_CTTZ), opcode(GenericOpcode::G_CTLS)}) |