diff --git a/llvm/lib/Target/LoongArch/LoongArchISelLowering.h b/llvm/lib/Target/LoongArch/LoongArchISelLowering.h --- a/llvm/lib/Target/LoongArch/LoongArchISelLowering.h +++ b/llvm/lib/Target/LoongArch/LoongArchISelLowering.h @@ -35,6 +35,9 @@ SRA_W, SRL_W, + ROTL_W, + ROTR_W, + // FPR<->GPR transfer operations MOVGR2FR_W_LA64, MOVFR2GR_S_LA64, diff --git a/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp b/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp --- a/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp +++ b/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp @@ -52,6 +52,7 @@ setOperationAction(ISD::SRA_PARTS, GRLenVT, Custom); setOperationAction(ISD::SRL_PARTS, GRLenVT, Custom); setOperationAction(ISD::FP_TO_SINT, GRLenVT, Custom); + setOperationAction(ISD::ROTL, GRLenVT, Expand); setOperationAction({ISD::GlobalAddress, ISD::ConstantPool}, GRLenVT, Custom); @@ -65,6 +66,8 @@ setOperationAction(ISD::SRL, MVT::i32, Custom); setOperationAction(ISD::FP_TO_SINT, MVT::i32, Custom); setOperationAction(ISD::BITCAST, MVT::i32, Custom); + setOperationAction(ISD::ROTR, MVT::i32, Custom); + setOperationAction(ISD::ROTL, MVT::i32, Custom); if (Subtarget.hasBasicF() && !Subtarget.hasBasicD()) setOperationAction(ISD::FP_TO_UINT, MVT::i32, Custom); } @@ -363,6 +366,10 @@ return LoongArchISD::SRA_W; case ISD::SRL: return LoongArchISD::SRL_W; + case ISD::ROTR: + return LoongArchISD::ROTR_W; + case ISD::ROTL: + return LoongArchISD::ROTL_W; } } @@ -391,6 +398,7 @@ case ISD::SHL: case ISD::SRA: case ISD::SRL: + case ISD::ROTR: assert(N->getValueType(0) == MVT::i32 && Subtarget.is64Bit() && "Unexpected custom legalisation"); if (N->getOperand(1).getOpcode() != ISD::Constant) { @@ -398,6 +406,13 @@ break; } break; + case ISD::ROTL: + ConstantSDNode *CN; + if ((CN = dyn_cast(N->getOperand(1)))) { + Results.push_back(customLegalizeToWOp(N, DAG)); + break; + } + break; case ISD::FP_TO_SINT: { assert(N->getValueType(0) == MVT::i32 && Subtarget.is64Bit() && "Unexpected custom legalisation"); @@ -882,6 +897,8 @@ NODE_NAME_CASE(FTINT) NODE_NAME_CASE(REVB_2H) NODE_NAME_CASE(REVB_2W) + NODE_NAME_CASE(ROTR_W) + NODE_NAME_CASE(ROTL_W) } #undef NODE_NAME_CASE return nullptr; diff --git a/llvm/lib/Target/LoongArch/LoongArchInstrInfo.td b/llvm/lib/Target/LoongArch/LoongArchInstrInfo.td --- a/llvm/lib/Target/LoongArch/LoongArchInstrInfo.td +++ b/llvm/lib/Target/LoongArch/LoongArchInstrInfo.td @@ -51,6 +51,8 @@ def loongarch_sll_w : SDNode<"LoongArchISD::SLL_W", SDT_LoongArchIntBinOpW>; def loongarch_sra_w : SDNode<"LoongArchISD::SRA_W", SDT_LoongArchIntBinOpW>; def loongarch_srl_w : SDNode<"LoongArchISD::SRL_W", SDT_LoongArchIntBinOpW>; +def loongarch_rotr_w : SDNode<"LoongArchISD::ROTR_W", SDT_LoongArchIntBinOpW>; +def loongarch_rotl_w : SDNode<"LoongArchISD::ROTL_W", SDT_LoongArchIntBinOpW>; def loongarch_bstrins : SDNode<"LoongArchISD::BSTRINS", SDT_LoongArchBStrIns>; def loongarch_bstrpick @@ -178,6 +180,12 @@ def fpimm0neg : PatLeaf<(fpimm), [{return N->isExactlyValue(-0.0);}]>; def fpimm1 : PatLeaf<(fpimm), [{return N->isExactlyValue(+1.0);}]>; +// Return an immediate subtracted from 32. +def ImmSubFrom32 : SDNodeXFormgetTargetConstant(32 - N->getZExtValue(), SDLoc(N), + N->getValueType(0)); +}]>; + def CallSymbol: AsmOperandClass { let Name = "CallSymbol"; let RenderMethod = "addImmOperands"; @@ -626,6 +634,8 @@ def : PatGprGpr; def : PatGprGpr; def : PatGprGpr; +def : PatGprGpr; +def : PatGprImm; } // Predicates = [IsLA32] let Predicates = [IsLA64] in { @@ -639,6 +649,14 @@ def : PatGprGpr; def : PatGprGpr; def : PatGprGpr; +def : PatGprGpr; +def : PatGprGpr; +def : PatGprImm; +def : PatGprImm_32; +def : Pat<(loongarch_rotl_w GPR:$rj, uimm5:$imm), + (ROTRI_W GPR:$rj, (ImmSubFrom32 uimm5:$imm))>; +def : Pat<(sext_inreg (loongarch_rotl_w GPR:$rj, uimm5:$imm), i32), + (ROTRI_W GPR:$rj, (ImmSubFrom32 uimm5:$imm))>; // TODO: Select "_W[U]" instructions for i32xi32 if only lower 32 bits of the // product are used. def : PatGprGpr; diff --git a/llvm/test/CodeGen/LoongArch/rotl-rotr.ll b/llvm/test/CodeGen/LoongArch/rotl-rotr.ll new file mode 100644 --- /dev/null +++ b/llvm/test/CodeGen/LoongArch/rotl-rotr.ll @@ -0,0 +1,629 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc --mtriple=loongarch32 < %s | FileCheck %s --check-prefix=LA32 +; RUN: llc --mtriple=loongarch64 < %s | FileCheck %s --check-prefix=LA64 + +;; TODO: Add optimization to ISD::ROTL + +define i32 @rotl_32(i32 %x, i32 %y) nounwind { +; LA32-LABEL: rotl_32: +; LA32: # %bb.0: +; LA32-NEXT: ori $a2, $zero, 32 +; LA32-NEXT: sub.w $a1, $a2, $a1 +; LA32-NEXT: rotr.w $a0, $a0, $a1 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotl_32: +; LA64: # %bb.0: +; LA64-NEXT: sub.d $a2, $zero, $a1 +; LA64-NEXT: sll.w $a1, $a0, $a1 +; LA64-NEXT: srl.w $a0, $a0, $a2 +; LA64-NEXT: or $a0, $a1, $a0 +; LA64-NEXT: jirl $zero, $ra, 0 + %z = sub i32 32, %y + %b = shl i32 %x, %y + %c = lshr i32 %x, %z + %d = or i32 %b, %c + ret i32 %d +} + +define i32 @rotr_32(i32 %x, i32 %y) nounwind { +; LA32-LABEL: rotr_32: +; LA32: # %bb.0: +; LA32-NEXT: rotr.w $a0, $a0, $a1 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotr_32: +; LA64: # %bb.0: +; LA64-NEXT: rotr.w $a0, $a0, $a1 +; LA64-NEXT: jirl $zero, $ra, 0 + %z = sub i32 32, %y + %b = lshr i32 %x, %y + %c = shl i32 %x, %z + %d = or i32 %b, %c + ret i32 %d +} + +define i64 @rotl_64(i64 %x, i64 %y) nounwind { +; LA32-LABEL: rotl_64: +; LA32: # %bb.0: +; LA32-NEXT: xori $a3, $a2, 31 +; LA32-NEXT: srli.w $a4, $a0, 1 +; LA32-NEXT: srl.w $a3, $a4, $a3 +; LA32-NEXT: sll.w $a4, $a1, $a2 +; LA32-NEXT: or $a3, $a4, $a3 +; LA32-NEXT: addi.w $a4, $a2, -32 +; LA32-NEXT: slti $a5, $a4, 0 +; LA32-NEXT: maskeqz $a3, $a3, $a5 +; LA32-NEXT: sll.w $a6, $a0, $a4 +; LA32-NEXT: masknez $a5, $a6, $a5 +; LA32-NEXT: or $a3, $a3, $a5 +; LA32-NEXT: ori $a5, $zero, 64 +; LA32-NEXT: sub.w $a5, $a5, $a2 +; LA32-NEXT: xori $a5, $a5, 31 +; LA32-NEXT: slli.w $a6, $a1, 1 +; LA32-NEXT: sll.w $a5, $a6, $a5 +; LA32-NEXT: sub.w $a6, $zero, $a2 +; LA32-NEXT: srl.w $a7, $a1, $a6 +; LA32-NEXT: ori $a1, $zero, 32 +; LA32-NEXT: sub.w $t0, $a1, $a2 +; LA32-NEXT: srai.w $a1, $t0, 31 +; LA32-NEXT: and $a1, $a1, $a7 +; LA32-NEXT: or $a1, $a3, $a1 +; LA32-NEXT: srl.w $a3, $a0, $a6 +; LA32-NEXT: or $a3, $a3, $a5 +; LA32-NEXT: slti $a5, $t0, 0 +; LA32-NEXT: masknez $a6, $a7, $a5 +; LA32-NEXT: maskeqz $a3, $a3, $a5 +; LA32-NEXT: or $a3, $a3, $a6 +; LA32-NEXT: sll.w $a0, $a0, $a2 +; LA32-NEXT: srai.w $a2, $a4, 31 +; LA32-NEXT: and $a0, $a2, $a0 +; LA32-NEXT: or $a0, $a0, $a3 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotl_64: +; LA64: # %bb.0: +; LA64-NEXT: ori $a2, $zero, 64 +; LA64-NEXT: sub.d $a1, $a2, $a1 +; LA64-NEXT: rotr.d $a0, $a0, $a1 +; LA64-NEXT: jirl $zero, $ra, 0 + %z = sub i64 64, %y + %b = shl i64 %x, %y + %c = lshr i64 %x, %z + %d = or i64 %b, %c + ret i64 %d +} + +define i64 @rotr_64(i64 %x, i64 %y) nounwind { +; LA32-LABEL: rotr_64: +; LA32: # %bb.0: +; LA32-NEXT: xori $a3, $a2, 31 +; LA32-NEXT: slli.w $a4, $a1, 1 +; LA32-NEXT: sll.w $a3, $a4, $a3 +; LA32-NEXT: srl.w $a4, $a0, $a2 +; LA32-NEXT: or $a3, $a4, $a3 +; LA32-NEXT: addi.w $a4, $a2, -32 +; LA32-NEXT: slti $a5, $a4, 0 +; LA32-NEXT: maskeqz $a3, $a3, $a5 +; LA32-NEXT: srl.w $a6, $a1, $a4 +; LA32-NEXT: masknez $a5, $a6, $a5 +; LA32-NEXT: or $a3, $a3, $a5 +; LA32-NEXT: ori $a5, $zero, 64 +; LA32-NEXT: sub.w $a5, $a5, $a2 +; LA32-NEXT: xori $a5, $a5, 31 +; LA32-NEXT: srli.w $a6, $a0, 1 +; LA32-NEXT: srl.w $a5, $a6, $a5 +; LA32-NEXT: sub.w $a6, $zero, $a2 +; LA32-NEXT: sll.w $a7, $a0, $a6 +; LA32-NEXT: ori $a0, $zero, 32 +; LA32-NEXT: sub.w $t0, $a0, $a2 +; LA32-NEXT: srai.w $a0, $t0, 31 +; LA32-NEXT: and $a0, $a0, $a7 +; LA32-NEXT: or $a0, $a3, $a0 +; LA32-NEXT: sll.w $a3, $a1, $a6 +; LA32-NEXT: or $a3, $a3, $a5 +; LA32-NEXT: slti $a5, $t0, 0 +; LA32-NEXT: masknez $a6, $a7, $a5 +; LA32-NEXT: maskeqz $a3, $a3, $a5 +; LA32-NEXT: or $a3, $a3, $a6 +; LA32-NEXT: srl.w $a1, $a1, $a2 +; LA32-NEXT: srai.w $a2, $a4, 31 +; LA32-NEXT: and $a1, $a2, $a1 +; LA32-NEXT: or $a1, $a1, $a3 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotr_64: +; LA64: # %bb.0: +; LA64-NEXT: rotr.d $a0, $a0, $a1 +; LA64-NEXT: jirl $zero, $ra, 0 + %z = sub i64 64, %y + %b = lshr i64 %x, %y + %c = shl i64 %x, %z + %d = or i64 %b, %c + ret i64 %d +} + +define i32 @rotl_32_mask(i32 %x, i32 %y) nounwind { +; LA32-LABEL: rotl_32_mask: +; LA32: # %bb.0: +; LA32-NEXT: sub.w $a1, $zero, $a1 +; LA32-NEXT: rotr.w $a0, $a0, $a1 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotl_32_mask: +; LA64: # %bb.0: +; LA64-NEXT: sub.d $a2, $zero, $a1 +; LA64-NEXT: sll.w $a1, $a0, $a1 +; LA64-NEXT: srl.w $a0, $a0, $a2 +; LA64-NEXT: or $a0, $a1, $a0 +; LA64-NEXT: jirl $zero, $ra, 0 + %z = sub i32 0, %y + %and = and i32 %z, 31 + %b = shl i32 %x, %y + %c = lshr i32 %x, %and + %d = or i32 %b, %c + ret i32 %d +} + +define i32 @rotl_32_mask_and_63_and_31(i32 %x, i32 %y) nounwind { +; LA32-LABEL: rotl_32_mask_and_63_and_31: +; LA32: # %bb.0: +; LA32-NEXT: sub.w $a1, $zero, $a1 +; LA32-NEXT: rotr.w $a0, $a0, $a1 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotl_32_mask_and_63_and_31: +; LA64: # %bb.0: +; LA64-NEXT: sub.d $a2, $zero, $a1 +; LA64-NEXT: sll.w $a1, $a0, $a1 +; LA64-NEXT: srl.w $a0, $a0, $a2 +; LA64-NEXT: or $a0, $a1, $a0 +; LA64-NEXT: jirl $zero, $ra, 0 + %a = and i32 %y, 63 + %b = shl i32 %x, %a + %c = sub i32 0, %y + %d = and i32 %c, 31 + %e = lshr i32 %x, %d + %f = or i32 %b, %e + ret i32 %f +} + +define i32 @rotl_32_mask_or_64_or_32(i32 %x, i32 %y) nounwind { +; LA32-LABEL: rotl_32_mask_or_64_or_32: +; LA32: # %bb.0: +; LA32-NEXT: sub.w $a1, $zero, $a1 +; LA32-NEXT: rotr.w $a0, $a0, $a1 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotl_32_mask_or_64_or_32: +; LA64: # %bb.0: +; LA64-NEXT: sub.d $a2, $zero, $a1 +; LA64-NEXT: sll.w $a1, $a0, $a1 +; LA64-NEXT: srl.w $a0, $a0, $a2 +; LA64-NEXT: or $a0, $a1, $a0 +; LA64-NEXT: jirl $zero, $ra, 0 + %a = or i32 %y, 64 + %b = shl i32 %x, %a + %c = sub i32 0, %y + %d = or i32 %c, 32 + %e = lshr i32 %x, %d + %f = or i32 %b, %e + ret i32 %f +} + +define i32 @rotr_32_mask(i32 %x, i32 %y) nounwind { +; LA32-LABEL: rotr_32_mask: +; LA32: # %bb.0: +; LA32-NEXT: rotr.w $a0, $a0, $a1 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotr_32_mask: +; LA64: # %bb.0: +; LA64-NEXT: rotr.w $a0, $a0, $a1 +; LA64-NEXT: jirl $zero, $ra, 0 + %z = sub i32 0, %y + %and = and i32 %z, 31 + %b = lshr i32 %x, %y + %c = shl i32 %x, %and + %d = or i32 %b, %c + ret i32 %d +} + +define i32 @rotr_32_mask_and_63_and_31(i32 %x, i32 %y) nounwind { +; LA32-LABEL: rotr_32_mask_and_63_and_31: +; LA32: # %bb.0: +; LA32-NEXT: rotr.w $a0, $a0, $a1 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotr_32_mask_and_63_and_31: +; LA64: # %bb.0: +; LA64-NEXT: rotr.w $a0, $a0, $a1 +; LA64-NEXT: jirl $zero, $ra, 0 + %a = and i32 %y, 63 + %b = lshr i32 %x, %a + %c = sub i32 0, %y + %d = and i32 %c, 31 + %e = shl i32 %x, %d + %f = or i32 %b, %e + ret i32 %f +} + +define i32 @rotr_32_mask_or_64_or_32(i32 %x, i32 %y) nounwind { +; LA32-LABEL: rotr_32_mask_or_64_or_32: +; LA32: # %bb.0: +; LA32-NEXT: rotr.w $a0, $a0, $a1 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotr_32_mask_or_64_or_32: +; LA64: # %bb.0: +; LA64-NEXT: rotr.w $a0, $a0, $a1 +; LA64-NEXT: jirl $zero, $ra, 0 + %a = or i32 %y, 64 + %b = lshr i32 %x, %a + %c = sub i32 0, %y + %d = or i32 %c, 32 + %e = shl i32 %x, %d + %f = or i32 %b, %e + ret i32 %f +} + +define i64 @rotl_64_mask(i64 %x, i64 %y) nounwind { +; LA32-LABEL: rotl_64_mask: +; LA32: # %bb.0: +; LA32-NEXT: xori $a3, $a2, 31 +; LA32-NEXT: srli.w $a4, $a0, 1 +; LA32-NEXT: srl.w $a3, $a4, $a3 +; LA32-NEXT: sll.w $a4, $a1, $a2 +; LA32-NEXT: or $a3, $a4, $a3 +; LA32-NEXT: sub.w $a4, $zero, $a2 +; LA32-NEXT: srl.w $a5, $a1, $a4 +; LA32-NEXT: andi $a6, $a4, 63 +; LA32-NEXT: addi.w $a7, $a6, -32 +; LA32-NEXT: srai.w $t0, $a7, 31 +; LA32-NEXT: and $a5, $t0, $a5 +; LA32-NEXT: addi.w $t0, $a2, -32 +; LA32-NEXT: slti $t1, $t0, 0 +; LA32-NEXT: maskeqz $a3, $a3, $t1 +; LA32-NEXT: sll.w $t2, $a0, $t0 +; LA32-NEXT: masknez $t1, $t2, $t1 +; LA32-NEXT: or $a3, $a3, $t1 +; LA32-NEXT: xori $a6, $a6, 31 +; LA32-NEXT: slli.w $t1, $a1, 1 +; LA32-NEXT: sll.w $a6, $t1, $a6 +; LA32-NEXT: or $a3, $a3, $a5 +; LA32-NEXT: srl.w $a4, $a0, $a4 +; LA32-NEXT: or $a4, $a4, $a6 +; LA32-NEXT: srl.w $a1, $a1, $a7 +; LA32-NEXT: slti $a5, $a7, 0 +; LA32-NEXT: masknez $a1, $a1, $a5 +; LA32-NEXT: maskeqz $a4, $a4, $a5 +; LA32-NEXT: or $a1, $a4, $a1 +; LA32-NEXT: sll.w $a0, $a0, $a2 +; LA32-NEXT: srai.w $a2, $t0, 31 +; LA32-NEXT: and $a0, $a2, $a0 +; LA32-NEXT: or $a0, $a0, $a1 +; LA32-NEXT: move $a1, $a3 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotl_64_mask: +; LA64: # %bb.0: +; LA64-NEXT: sub.d $a1, $zero, $a1 +; LA64-NEXT: rotr.d $a0, $a0, $a1 +; LA64-NEXT: jirl $zero, $ra, 0 + %z = sub i64 0, %y + %and = and i64 %z, 63 + %b = shl i64 %x, %y + %c = lshr i64 %x, %and + %d = or i64 %b, %c + ret i64 %d +} + +define i64 @rotl_64_mask_and_127_and_63(i64 %x, i64 %y) nounwind { +; LA32-LABEL: rotl_64_mask_and_127_and_63: +; LA32: # %bb.0: +; LA32-NEXT: srli.w $a3, $a0, 1 +; LA32-NEXT: andi $a4, $a2, 127 +; LA32-NEXT: xori $a5, $a4, 31 +; LA32-NEXT: srl.w $a3, $a3, $a5 +; LA32-NEXT: sll.w $a5, $a1, $a2 +; LA32-NEXT: or $a3, $a5, $a3 +; LA32-NEXT: sub.w $a5, $zero, $a2 +; LA32-NEXT: srl.w $a6, $a1, $a5 +; LA32-NEXT: andi $a7, $a5, 63 +; LA32-NEXT: addi.w $t0, $a7, -32 +; LA32-NEXT: srai.w $t1, $t0, 31 +; LA32-NEXT: and $a6, $t1, $a6 +; LA32-NEXT: addi.w $a4, $a4, -32 +; LA32-NEXT: slti $t1, $a4, 0 +; LA32-NEXT: maskeqz $a3, $a3, $t1 +; LA32-NEXT: sll.w $t2, $a0, $a4 +; LA32-NEXT: masknez $t1, $t2, $t1 +; LA32-NEXT: or $a3, $a3, $t1 +; LA32-NEXT: xori $a7, $a7, 31 +; LA32-NEXT: slli.w $t1, $a1, 1 +; LA32-NEXT: sll.w $a7, $t1, $a7 +; LA32-NEXT: or $a3, $a3, $a6 +; LA32-NEXT: srl.w $a5, $a0, $a5 +; LA32-NEXT: or $a5, $a5, $a7 +; LA32-NEXT: srl.w $a1, $a1, $t0 +; LA32-NEXT: slti $a6, $t0, 0 +; LA32-NEXT: masknez $a1, $a1, $a6 +; LA32-NEXT: maskeqz $a5, $a5, $a6 +; LA32-NEXT: or $a1, $a5, $a1 +; LA32-NEXT: sll.w $a0, $a0, $a2 +; LA32-NEXT: srai.w $a2, $a4, 31 +; LA32-NEXT: and $a0, $a2, $a0 +; LA32-NEXT: or $a0, $a0, $a1 +; LA32-NEXT: move $a1, $a3 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotl_64_mask_and_127_and_63: +; LA64: # %bb.0: +; LA64-NEXT: sub.d $a1, $zero, $a1 +; LA64-NEXT: rotr.d $a0, $a0, $a1 +; LA64-NEXT: jirl $zero, $ra, 0 + %a = and i64 %y, 127 + %b = shl i64 %x, %a + %c = sub i64 0, %y + %d = and i64 %c, 63 + %e = lshr i64 %x, %d + %f = or i64 %b, %e + ret i64 %f +} + +define i64 @rotl_64_mask_or_128_or_64(i64 %x, i64 %y) nounwind { +; LA32-LABEL: rotl_64_mask_or_128_or_64: +; LA32: # %bb.0: +; LA32-NEXT: sll.w $a3, $a0, $a2 +; LA32-NEXT: sub.w $a0, $zero, $a2 +; LA32-NEXT: srl.w $a0, $a1, $a0 +; LA32-NEXT: move $a1, $a3 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotl_64_mask_or_128_or_64: +; LA64: # %bb.0: +; LA64-NEXT: sub.d $a1, $zero, $a1 +; LA64-NEXT: rotr.d $a0, $a0, $a1 +; LA64-NEXT: jirl $zero, $ra, 0 + %a = or i64 %y, 128 + %b = shl i64 %x, %a + %c = sub i64 0, %y + %d = or i64 %c, 64 + %e = lshr i64 %x, %d + %f = or i64 %b, %e + ret i64 %f +} + +define i64 @rotr_64_mask(i64 %x, i64 %y) nounwind { +; LA32-LABEL: rotr_64_mask: +; LA32: # %bb.0: +; LA32-NEXT: xori $a3, $a2, 31 +; LA32-NEXT: slli.w $a4, $a1, 1 +; LA32-NEXT: sll.w $a3, $a4, $a3 +; LA32-NEXT: srl.w $a4, $a0, $a2 +; LA32-NEXT: or $a3, $a4, $a3 +; LA32-NEXT: sub.w $a4, $zero, $a2 +; LA32-NEXT: sll.w $a5, $a0, $a4 +; LA32-NEXT: andi $a6, $a4, 63 +; LA32-NEXT: addi.w $a7, $a6, -32 +; LA32-NEXT: srai.w $t0, $a7, 31 +; LA32-NEXT: and $a5, $t0, $a5 +; LA32-NEXT: addi.w $t0, $a2, -32 +; LA32-NEXT: slti $t1, $t0, 0 +; LA32-NEXT: maskeqz $a3, $a3, $t1 +; LA32-NEXT: srl.w $t2, $a1, $t0 +; LA32-NEXT: masknez $t1, $t2, $t1 +; LA32-NEXT: or $a3, $a3, $t1 +; LA32-NEXT: xori $a6, $a6, 31 +; LA32-NEXT: srli.w $t1, $a0, 1 +; LA32-NEXT: srl.w $a6, $t1, $a6 +; LA32-NEXT: or $a3, $a3, $a5 +; LA32-NEXT: sll.w $a4, $a1, $a4 +; LA32-NEXT: or $a4, $a4, $a6 +; LA32-NEXT: sll.w $a0, $a0, $a7 +; LA32-NEXT: slti $a5, $a7, 0 +; LA32-NEXT: masknez $a0, $a0, $a5 +; LA32-NEXT: maskeqz $a4, $a4, $a5 +; LA32-NEXT: or $a0, $a4, $a0 +; LA32-NEXT: srl.w $a1, $a1, $a2 +; LA32-NEXT: srai.w $a2, $t0, 31 +; LA32-NEXT: and $a1, $a2, $a1 +; LA32-NEXT: or $a1, $a1, $a0 +; LA32-NEXT: move $a0, $a3 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotr_64_mask: +; LA64: # %bb.0: +; LA64-NEXT: rotr.d $a0, $a0, $a1 +; LA64-NEXT: jirl $zero, $ra, 0 + %z = sub i64 0, %y + %and = and i64 %z, 63 + %b = lshr i64 %x, %y + %c = shl i64 %x, %and + %d = or i64 %b, %c + ret i64 %d +} + +define i64 @rotr_64_mask_and_127_and_63(i64 %x, i64 %y) nounwind { +; LA32-LABEL: rotr_64_mask_and_127_and_63: +; LA32: # %bb.0: +; LA32-NEXT: slli.w $a3, $a1, 1 +; LA32-NEXT: andi $a4, $a2, 127 +; LA32-NEXT: xori $a5, $a4, 31 +; LA32-NEXT: sll.w $a3, $a3, $a5 +; LA32-NEXT: srl.w $a5, $a0, $a2 +; LA32-NEXT: or $a3, $a5, $a3 +; LA32-NEXT: sub.w $a5, $zero, $a2 +; LA32-NEXT: sll.w $a6, $a0, $a5 +; LA32-NEXT: andi $a7, $a5, 63 +; LA32-NEXT: addi.w $t0, $a7, -32 +; LA32-NEXT: srai.w $t1, $t0, 31 +; LA32-NEXT: and $a6, $t1, $a6 +; LA32-NEXT: addi.w $a4, $a4, -32 +; LA32-NEXT: slti $t1, $a4, 0 +; LA32-NEXT: maskeqz $a3, $a3, $t1 +; LA32-NEXT: srl.w $t2, $a1, $a4 +; LA32-NEXT: masknez $t1, $t2, $t1 +; LA32-NEXT: or $a3, $a3, $t1 +; LA32-NEXT: xori $a7, $a7, 31 +; LA32-NEXT: srli.w $t1, $a0, 1 +; LA32-NEXT: srl.w $a7, $t1, $a7 +; LA32-NEXT: or $a3, $a3, $a6 +; LA32-NEXT: sll.w $a5, $a1, $a5 +; LA32-NEXT: or $a5, $a5, $a7 +; LA32-NEXT: sll.w $a0, $a0, $t0 +; LA32-NEXT: slti $a6, $t0, 0 +; LA32-NEXT: masknez $a0, $a0, $a6 +; LA32-NEXT: maskeqz $a5, $a5, $a6 +; LA32-NEXT: or $a0, $a5, $a0 +; LA32-NEXT: srl.w $a1, $a1, $a2 +; LA32-NEXT: srai.w $a2, $a4, 31 +; LA32-NEXT: and $a1, $a2, $a1 +; LA32-NEXT: or $a1, $a1, $a0 +; LA32-NEXT: move $a0, $a3 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotr_64_mask_and_127_and_63: +; LA64: # %bb.0: +; LA64-NEXT: rotr.d $a0, $a0, $a1 +; LA64-NEXT: jirl $zero, $ra, 0 + %a = and i64 %y, 127 + %b = lshr i64 %x, %a + %c = sub i64 0, %y + %d = and i64 %c, 63 + %e = shl i64 %x, %d + %f = or i64 %b, %e + ret i64 %f +} + +define i64 @rotr_64_mask_or_128_or_64(i64 %x, i64 %y) nounwind { +; LA32-LABEL: rotr_64_mask_or_128_or_64: +; LA32: # %bb.0: +; LA32-NEXT: srl.w $a3, $a1, $a2 +; LA32-NEXT: sub.w $a1, $zero, $a2 +; LA32-NEXT: sll.w $a1, $a0, $a1 +; LA32-NEXT: move $a0, $a3 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotr_64_mask_or_128_or_64: +; LA64: # %bb.0: +; LA64-NEXT: rotr.d $a0, $a0, $a1 +; LA64-NEXT: jirl $zero, $ra, 0 + %a = or i64 %y, 128 + %b = lshr i64 %x, %a + %c = sub i64 0, %y + %d = or i64 %c, 64 + %e = shl i64 %x, %d + %f = or i64 %b, %e + ret i64 %f +} + +define i32 @rotri_i32(i32 %a) nounwind { +; LA32-LABEL: rotri_i32: +; LA32: # %bb.0: +; LA32-NEXT: rotri.w $a0, $a0, 16 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotri_i32: +; LA64: # %bb.0: +; LA64-NEXT: rotri.w $a0, $a0, 16 +; LA64-NEXT: jirl $zero, $ra, 0 + %shl = shl i32 %a, 16 + %shr = lshr i32 %a, 16 + %or = or i32 %shl, %shr + ret i32 %or +} + +define i64 @rotri_i64(i64 %a) nounwind { +; LA32-LABEL: rotri_i64: +; LA32: # %bb.0: +; LA32-NEXT: move $a2, $a0 +; LA32-NEXT: move $a0, $a1 +; LA32-NEXT: move $a1, $a2 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotri_i64: +; LA64: # %bb.0: +; LA64-NEXT: rotri.d $a0, $a0, 32 +; LA64-NEXT: jirl $zero, $ra, 0 + %shl = shl i64 %a, 32 + %shr = lshr i64 %a, 32 + %or = or i64 %shl, %shr + ret i64 %or +} + +declare i32 @llvm.fshl.i32(i32, i32, i32) +declare i64 @llvm.fshl.i64(i64, i64, i64) +declare i32 @llvm.fshr.i32(i32, i32, i32) +declare i64 @llvm.fshr.i64(i64, i64, i64) + +define signext i32 @rotl_i32_fshl(i32 signext %a) nounwind { +; LA32-LABEL: rotl_i32_fshl: +; LA32: # %bb.0: +; LA32-NEXT: rotri.w $a0, $a0, 20 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotl_i32_fshl: +; LA64: # %bb.0: +; LA64-NEXT: rotri.w $a0, $a0, 20 +; LA64-NEXT: jirl $zero, $ra, 0 + %or = tail call i32 @llvm.fshl.i32(i32 %a, i32 %a, i32 12) + ret i32 %or +} + +define i64 @rotl_i64_fshl(i64 %a) nounwind { +; LA32-LABEL: rotl_i64_fshl: +; LA32: # %bb.0: +; LA32-NEXT: srli.w $a2, $a1, 20 +; LA32-NEXT: slli.w $a3, $a0, 12 +; LA32-NEXT: or $a2, $a3, $a2 +; LA32-NEXT: srli.w $a0, $a0, 20 +; LA32-NEXT: slli.w $a1, $a1, 12 +; LA32-NEXT: or $a1, $a1, $a0 +; LA32-NEXT: move $a0, $a2 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotl_i64_fshl: +; LA64: # %bb.0: +; LA64-NEXT: rotri.d $a0, $a0, 52 +; LA64-NEXT: jirl $zero, $ra, 0 + %or = tail call i64 @llvm.fshl.i64(i64 %a, i64 %a, i64 12) + ret i64 %or +} + +define signext i32 @rotr_i32_fshr(i32 signext %a) nounwind { +; LA32-LABEL: rotr_i32_fshr: +; LA32: # %bb.0: +; LA32-NEXT: rotri.w $a0, $a0, 12 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotr_i32_fshr: +; LA64: # %bb.0: +; LA64-NEXT: slli.d $a1, $a0, 20 +; LA64-NEXT: bstrpick.d $a0, $a0, 31, 12 +; LA64-NEXT: or $a0, $a0, $a1 +; LA64-NEXT: addi.w $a0, $a0, 0 +; LA64-NEXT: jirl $zero, $ra, 0 + %or = tail call i32 @llvm.fshr.i32(i32 %a, i32 %a, i32 12) + ret i32 %or +} + +define i64 @rotr_i64_fshr(i64 %a) nounwind { +; LA32-LABEL: rotr_i64_fshr: +; LA32: # %bb.0: +; LA32-NEXT: srli.w $a2, $a0, 12 +; LA32-NEXT: slli.w $a3, $a1, 20 +; LA32-NEXT: or $a2, $a3, $a2 +; LA32-NEXT: srli.w $a1, $a1, 12 +; LA32-NEXT: slli.w $a0, $a0, 20 +; LA32-NEXT: or $a1, $a0, $a1 +; LA32-NEXT: move $a0, $a2 +; LA32-NEXT: jirl $zero, $ra, 0 +; +; LA64-LABEL: rotr_i64_fshr: +; LA64: # %bb.0: +; LA64-NEXT: rotri.d $a0, $a0, 12 +; LA64-NEXT: jirl $zero, $ra, 0 + %or = tail call i64 @llvm.fshr.i64(i64 %a, i64 %a, i64 12) + ret i64 %or +}