diff --git a/llvm/lib/Target/Mips/MipsLegalizerInfo.cpp b/llvm/lib/Target/Mips/MipsLegalizerInfo.cpp --- a/llvm/lib/Target/Mips/MipsLegalizerInfo.cpp +++ b/llvm/lib/Target/Mips/MipsLegalizerInfo.cpp @@ -89,7 +89,8 @@ getActionDefinitionsBuilder({G_SHL, G_ASHR, G_LSHR}) .legalFor({{s32, s32}}) - .clampScalar(1, s32, s32); + .clampScalar(1, s32, s32) + .clampScalar(0, s32, s32); getActionDefinitionsBuilder(G_ICMP) .legalForCartesianProduct({s32}, {s32, p0}) diff --git a/llvm/test/CodeGen/Mips/GlobalISel/legalizer/bitwise.mir b/llvm/test/CodeGen/Mips/GlobalISel/legalizer/bitwise.mir --- a/llvm/test/CodeGen/Mips/GlobalISel/legalizer/bitwise.mir +++ b/llvm/test/CodeGen/Mips/GlobalISel/legalizer/bitwise.mir @@ -24,6 +24,12 @@ define void @shlv(i32, i32) {entry: ret void} define void @ashrv(i32, i32) {entry: ret void} define void @lshrv(i32, i32) {entry: ret void} + define void @shl_i16() {entry: ret void} + define void @ashr_i8() {entry: ret void} + define void @lshr_i16() {entry: ret void} + define void @shl_i64() {entry: ret void} + define void @ashl_i64() {entry: ret void} + define void @lshr_i64() {entry: ret void} ... --- @@ -596,3 +602,252 @@ RetRA implicit $v0 ... +--- +name: shl_i16 +alignment: 2 +tracksRegLiveness: true +body: | + bb.1.entry: + liveins: $a0 + + ; MIPS32-LABEL: name: shl_i16 + ; MIPS32: liveins: $a0 + ; MIPS32: [[COPY:%[0-9]+]]:_(s32) = COPY $a0 + ; MIPS32: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2 + ; MIPS32: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535 + ; MIPS32: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C]](s32) + ; MIPS32: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]] + ; MIPS32: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY]](s32) + ; MIPS32: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY2]], [[AND]](s32) + ; MIPS32: [[COPY3:%[0-9]+]]:_(s32) = COPY [[SHL]](s32) + ; MIPS32: $v0 = COPY [[COPY3]](s32) + ; MIPS32: RetRA implicit $v0 + %1:_(s32) = COPY $a0 + %0:_(s16) = G_TRUNC %1(s32) + %2:_(s16) = G_CONSTANT i16 2 + %3:_(s16) = G_SHL %0, %2(s16) + %4:_(s32) = G_ANYEXT %3(s16) + $v0 = COPY %4(s32) + RetRA implicit $v0 + +... +--- +name: ashr_i8 +alignment: 2 +tracksRegLiveness: true +body: | + bb.1.entry: + liveins: $a0 + + ; MIPS32-LABEL: name: ashr_i8 + ; MIPS32: liveins: $a0 + ; MIPS32: [[COPY:%[0-9]+]]:_(s32) = COPY $a0 + ; MIPS32: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2 + ; MIPS32: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 255 + ; MIPS32: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C]](s32) + ; MIPS32: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]] + ; MIPS32: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY]](s32) + ; MIPS32: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24 + ; MIPS32: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY2]], [[C2]](s32) + ; MIPS32: [[ASHR:%[0-9]+]]:_(s32) = G_ASHR [[SHL]], [[C2]](s32) + ; MIPS32: [[ASHR1:%[0-9]+]]:_(s32) = G_ASHR [[ASHR]], [[AND]](s32) + ; MIPS32: [[COPY3:%[0-9]+]]:_(s32) = COPY [[ASHR1]](s32) + ; MIPS32: $v0 = COPY [[COPY3]](s32) + ; MIPS32: RetRA implicit $v0 + %1:_(s32) = COPY $a0 + %0:_(s8) = G_TRUNC %1(s32) + %2:_(s8) = G_CONSTANT i8 2 + %3:_(s8) = G_ASHR %0, %2(s8) + %4:_(s32) = G_ANYEXT %3(s8) + $v0 = COPY %4(s32) + RetRA implicit $v0 + +... +--- +name: lshr_i16 +alignment: 2 +tracksRegLiveness: true +body: | + bb.1.entry: + liveins: $a0 + + ; MIPS32-LABEL: name: lshr_i16 + ; MIPS32: liveins: $a0 + ; MIPS32: [[COPY:%[0-9]+]]:_(s32) = COPY $a0 + ; MIPS32: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2 + ; MIPS32: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535 + ; MIPS32: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C]](s32) + ; MIPS32: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]] + ; MIPS32: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY]](s32) + ; MIPS32: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]] + ; MIPS32: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[AND1]], [[AND]](s32) + ; MIPS32: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32) + ; MIPS32: $v0 = COPY [[COPY3]](s32) + ; MIPS32: RetRA implicit $v0 + %1:_(s32) = COPY $a0 + %0:_(s16) = G_TRUNC %1(s32) + %2:_(s16) = G_CONSTANT i16 2 + %3:_(s16) = G_LSHR %0, %2(s16) + %4:_(s32) = G_ANYEXT %3(s16) + $v0 = COPY %4(s32) + RetRA implicit $v0 + +... +--- +name: shl_i64 +alignment: 2 +tracksRegLiveness: true +body: | + bb.1.entry: + liveins: $a0, $a1, $a2, $a3 + + ; MIPS32-LABEL: name: shl_i64 + ; MIPS32: liveins: $a0, $a1, $a2, $a3 + ; MIPS32: [[COPY:%[0-9]+]]:_(s32) = COPY $a0 + ; MIPS32: [[COPY1:%[0-9]+]]:_(s32) = COPY $a1 + ; MIPS32: [[COPY2:%[0-9]+]]:_(s32) = COPY $a2 + ; MIPS32: [[COPY3:%[0-9]+]]:_(s32) = COPY $a3 + ; MIPS32: [[COPY4:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32) + ; MIPS32: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 32 + ; MIPS32: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[COPY4]], [[C]] + ; MIPS32: [[SUB1:%[0-9]+]]:_(s32) = G_SUB [[C]], [[COPY4]] + ; MIPS32: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0 + ; MIPS32: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ult), [[COPY4]](s32), [[C]] + ; MIPS32: [[ICMP1:%[0-9]+]]:_(s32) = G_ICMP intpred(eq), [[COPY4]](s32), [[C1]] + ; MIPS32: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY]], [[COPY4]](s32) + ; MIPS32: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY]], [[SUB1]](s32) + ; MIPS32: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[COPY1]], [[COPY4]](s32) + ; MIPS32: [[OR:%[0-9]+]]:_(s32) = G_OR [[LSHR]], [[SHL1]] + ; MIPS32: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[COPY]], [[SUB]](s32) + ; MIPS32: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 1 + ; MIPS32: [[COPY5:%[0-9]+]]:_(s32) = COPY [[ICMP]](s32) + ; MIPS32: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C2]] + ; MIPS32: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[AND]](s32), [[SHL]], [[C1]] + ; MIPS32: [[COPY6:%[0-9]+]]:_(s32) = COPY [[ICMP]](s32) + ; MIPS32: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C2]] + ; MIPS32: [[SELECT1:%[0-9]+]]:_(s32) = G_SELECT [[AND1]](s32), [[OR]], [[SHL2]] + ; MIPS32: [[COPY7:%[0-9]+]]:_(s32) = COPY [[ICMP1]](s32) + ; MIPS32: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C2]] + ; MIPS32: [[SELECT2:%[0-9]+]]:_(s32) = G_SELECT [[AND2]](s32), [[COPY1]], [[SELECT1]] + ; MIPS32: $v0 = COPY [[SELECT]](s32) + ; MIPS32: $v1 = COPY [[SELECT2]](s32) + ; MIPS32: RetRA implicit $v0, implicit $v1 + %2:_(s32) = COPY $a0 + %3:_(s32) = COPY $a1 + %0:_(s64) = G_MERGE_VALUES %2(s32), %3(s32) + %4:_(s32) = COPY $a2 + %5:_(s32) = COPY $a3 + %1:_(s64) = G_MERGE_VALUES %4(s32), %5(s32) + %6:_(s64) = G_SHL %0, %1(s64) + %7:_(s32), %8:_(s32) = G_UNMERGE_VALUES %6(s64) + $v0 = COPY %7(s32) + $v1 = COPY %8(s32) + RetRA implicit $v0, implicit $v1 + +... +--- +name: ashl_i64 +alignment: 2 +tracksRegLiveness: true +body: | + bb.1.entry: + liveins: $a0, $a1, $a2, $a3 + + ; MIPS32-LABEL: name: ashl_i64 + ; MIPS32: liveins: $a0, $a1, $a2, $a3 + ; MIPS32: [[COPY:%[0-9]+]]:_(s32) = COPY $a0 + ; MIPS32: [[COPY1:%[0-9]+]]:_(s32) = COPY $a1 + ; MIPS32: [[COPY2:%[0-9]+]]:_(s32) = COPY $a2 + ; MIPS32: [[COPY3:%[0-9]+]]:_(s32) = COPY $a3 + ; MIPS32: [[COPY4:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32) + ; MIPS32: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 32 + ; MIPS32: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[COPY4]], [[C]] + ; MIPS32: [[SUB1:%[0-9]+]]:_(s32) = G_SUB [[C]], [[COPY4]] + ; MIPS32: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0 + ; MIPS32: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ult), [[COPY4]](s32), [[C]] + ; MIPS32: [[ICMP1:%[0-9]+]]:_(s32) = G_ICMP intpred(eq), [[COPY4]](s32), [[C1]] + ; MIPS32: [[ASHR:%[0-9]+]]:_(s32) = G_ASHR [[COPY1]], [[COPY4]](s32) + ; MIPS32: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY]], [[COPY4]](s32) + ; MIPS32: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY1]], [[SUB1]](s32) + ; MIPS32: [[OR:%[0-9]+]]:_(s32) = G_OR [[LSHR]], [[SHL]] + ; MIPS32: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 31 + ; MIPS32: [[ASHR1:%[0-9]+]]:_(s32) = G_ASHR [[COPY1]], [[C2]](s32) + ; MIPS32: [[ASHR2:%[0-9]+]]:_(s32) = G_ASHR [[COPY1]], [[SUB]](s32) + ; MIPS32: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 1 + ; MIPS32: [[COPY5:%[0-9]+]]:_(s32) = COPY [[ICMP]](s32) + ; MIPS32: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]] + ; MIPS32: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[AND]](s32), [[OR]], [[ASHR2]] + ; MIPS32: [[COPY6:%[0-9]+]]:_(s32) = COPY [[ICMP1]](s32) + ; MIPS32: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]] + ; MIPS32: [[SELECT1:%[0-9]+]]:_(s32) = G_SELECT [[AND1]](s32), [[COPY]], [[SELECT]] + ; MIPS32: [[COPY7:%[0-9]+]]:_(s32) = COPY [[ICMP]](s32) + ; MIPS32: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]] + ; MIPS32: [[SELECT2:%[0-9]+]]:_(s32) = G_SELECT [[AND2]](s32), [[ASHR]], [[ASHR1]] + ; MIPS32: $v0 = COPY [[SELECT1]](s32) + ; MIPS32: $v1 = COPY [[SELECT2]](s32) + ; MIPS32: RetRA implicit $v0, implicit $v1 + %2:_(s32) = COPY $a0 + %3:_(s32) = COPY $a1 + %0:_(s64) = G_MERGE_VALUES %2(s32), %3(s32) + %4:_(s32) = COPY $a2 + %5:_(s32) = COPY $a3 + %1:_(s64) = G_MERGE_VALUES %4(s32), %5(s32) + %6:_(s64) = G_ASHR %0, %1(s64) + %7:_(s32), %8:_(s32) = G_UNMERGE_VALUES %6(s64) + $v0 = COPY %7(s32) + $v1 = COPY %8(s32) + RetRA implicit $v0, implicit $v1 + +... +--- +name: lshr_i64 +alignment: 2 +tracksRegLiveness: true +body: | + bb.1.entry: + liveins: $a0, $a1, $a2, $a3 + + ; MIPS32-LABEL: name: lshr_i64 + ; MIPS32: liveins: $a0, $a1, $a2, $a3 + ; MIPS32: [[COPY:%[0-9]+]]:_(s32) = COPY $a0 + ; MIPS32: [[COPY1:%[0-9]+]]:_(s32) = COPY $a1 + ; MIPS32: [[COPY2:%[0-9]+]]:_(s32) = COPY $a2 + ; MIPS32: [[COPY3:%[0-9]+]]:_(s32) = COPY $a3 + ; MIPS32: [[COPY4:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32) + ; MIPS32: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 32 + ; MIPS32: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[COPY4]], [[C]] + ; MIPS32: [[SUB1:%[0-9]+]]:_(s32) = G_SUB [[C]], [[COPY4]] + ; MIPS32: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0 + ; MIPS32: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ult), [[COPY4]](s32), [[C]] + ; MIPS32: [[ICMP1:%[0-9]+]]:_(s32) = G_ICMP intpred(eq), [[COPY4]](s32), [[C1]] + ; MIPS32: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY1]], [[COPY4]](s32) + ; MIPS32: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[COPY]], [[COPY4]](s32) + ; MIPS32: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY1]], [[SUB1]](s32) + ; MIPS32: [[OR:%[0-9]+]]:_(s32) = G_OR [[LSHR1]], [[SHL]] + ; MIPS32: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[COPY1]], [[SUB]](s32) + ; MIPS32: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 1 + ; MIPS32: [[COPY5:%[0-9]+]]:_(s32) = COPY [[ICMP]](s32) + ; MIPS32: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C2]] + ; MIPS32: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[AND]](s32), [[OR]], [[LSHR2]] + ; MIPS32: [[COPY6:%[0-9]+]]:_(s32) = COPY [[ICMP1]](s32) + ; MIPS32: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C2]] + ; MIPS32: [[SELECT1:%[0-9]+]]:_(s32) = G_SELECT [[AND1]](s32), [[COPY]], [[SELECT]] + ; MIPS32: [[COPY7:%[0-9]+]]:_(s32) = COPY [[ICMP]](s32) + ; MIPS32: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C2]] + ; MIPS32: [[SELECT2:%[0-9]+]]:_(s32) = G_SELECT [[AND2]](s32), [[LSHR]], [[C1]] + ; MIPS32: $v0 = COPY [[SELECT1]](s32) + ; MIPS32: $v1 = COPY [[SELECT2]](s32) + ; MIPS32: RetRA implicit $v0, implicit $v1 + %2:_(s32) = COPY $a0 + %3:_(s32) = COPY $a1 + %0:_(s64) = G_MERGE_VALUES %2(s32), %3(s32) + %4:_(s32) = COPY $a2 + %5:_(s32) = COPY $a3 + %1:_(s64) = G_MERGE_VALUES %4(s32), %5(s32) + %6:_(s64) = G_LSHR %0, %1(s64) + %7:_(s32), %8:_(s32) = G_UNMERGE_VALUES %6(s64) + $v0 = COPY %7(s32) + $v1 = COPY %8(s32) + RetRA implicit $v0, implicit $v1 + +... diff --git a/llvm/test/CodeGen/Mips/GlobalISel/llvm-ir/bitwise.ll b/llvm/test/CodeGen/Mips/GlobalISel/llvm-ir/bitwise.ll --- a/llvm/test/CodeGen/Mips/GlobalISel/llvm-ir/bitwise.ll +++ b/llvm/test/CodeGen/Mips/GlobalISel/llvm-ir/bitwise.ll @@ -235,3 +235,143 @@ ret i32 %shr } +define i16 @shl_i16(i16 %a) { +; MIPS32-LABEL: shl_i16: +; MIPS32: # %bb.0: # %entry +; MIPS32-NEXT: ori $1, $zero, 2 +; MIPS32-NEXT: ori $2, $zero, 65535 +; MIPS32-NEXT: and $1, $1, $2 +; MIPS32-NEXT: sllv $2, $4, $1 +; MIPS32-NEXT: jr $ra +; MIPS32-NEXT: nop +entry: + %shl = shl i16 %a, 2 + ret i16 %shl +} + +define i8 @ashr_i8(i8 %a) { +; MIPS32-LABEL: ashr_i8: +; MIPS32: # %bb.0: # %entry +; MIPS32-NEXT: ori $1, $zero, 2 +; MIPS32-NEXT: ori $2, $zero, 255 +; MIPS32-NEXT: and $1, $1, $2 +; MIPS32-NEXT: sll $2, $4, 24 +; MIPS32-NEXT: sra $2, $2, 24 +; MIPS32-NEXT: srav $2, $2, $1 +; MIPS32-NEXT: jr $ra +; MIPS32-NEXT: nop +entry: + %0 = ashr i8 %a, 2 + ret i8 %0 +} + +define i16 @lshr_i16(i16 %a) { +; MIPS32-LABEL: lshr_i16: +; MIPS32: # %bb.0: # %entry +; MIPS32-NEXT: ori $1, $zero, 2 +; MIPS32-NEXT: ori $2, $zero, 65535 +; MIPS32-NEXT: and $1, $1, $2 +; MIPS32-NEXT: and $2, $4, $2 +; MIPS32-NEXT: srlv $2, $2, $1 +; MIPS32-NEXT: jr $ra +; MIPS32-NEXT: nop +entry: + %0 = lshr i16 %a, 2 + ret i16 %0 +} + +define i64 @shl_i64(i64 %a, i64 %b) { +; MIPS32-LABEL: shl_i64: +; MIPS32: # %bb.0: # %entry +; MIPS32-NEXT: addiu $sp, $sp, -8 +; MIPS32-NEXT: .cfi_def_cfa_offset 8 +; MIPS32-NEXT: ori $1, $zero, 32 +; MIPS32-NEXT: subu $2, $6, $1 +; MIPS32-NEXT: subu $3, $1, $6 +; MIPS32-NEXT: ori $8, $zero, 0 +; MIPS32-NEXT: sltu $1, $6, $1 +; MIPS32-NEXT: xor $9, $6, $8 +; MIPS32-NEXT: sltiu $9, $9, 1 +; MIPS32-NEXT: sllv $10, $4, $6 +; MIPS32-NEXT: srlv $3, $4, $3 +; MIPS32-NEXT: sllv $6, $5, $6 +; MIPS32-NEXT: or $3, $3, $6 +; MIPS32-NEXT: sllv $2, $4, $2 +; MIPS32-NEXT: ori $4, $zero, 1 +; MIPS32-NEXT: and $6, $1, $4 +; MIPS32-NEXT: movn $8, $10, $6 +; MIPS32-NEXT: and $1, $1, $4 +; MIPS32-NEXT: movn $2, $3, $1 +; MIPS32-NEXT: and $1, $9, $4 +; MIPS32-NEXT: movn $2, $5, $1 +; MIPS32-NEXT: sw $2, 4($sp) # 4-byte Folded Spill +; MIPS32-NEXT: move $2, $8 +; MIPS32-NEXT: lw $3, 4($sp) # 4-byte Folded Reload +; MIPS32-NEXT: addiu $sp, $sp, 8 +; MIPS32-NEXT: jr $ra +; MIPS32-NEXT: nop +entry: + %shl = shl i64 %a, %b + ret i64 %shl +} + +define i64 @ashl_i64(i64 %a, i64 %b) { +; MIPS32-LABEL: ashl_i64: +; MIPS32: # %bb.0: # %entry +; MIPS32-NEXT: ori $1, $zero, 32 +; MIPS32-NEXT: subu $2, $6, $1 +; MIPS32-NEXT: subu $3, $1, $6 +; MIPS32-NEXT: ori $8, $zero, 0 +; MIPS32-NEXT: sltu $1, $6, $1 +; MIPS32-NEXT: xor $8, $6, $8 +; MIPS32-NEXT: sltiu $8, $8, 1 +; MIPS32-NEXT: srav $9, $5, $6 +; MIPS32-NEXT: srlv $6, $4, $6 +; MIPS32-NEXT: sllv $3, $5, $3 +; MIPS32-NEXT: or $3, $6, $3 +; MIPS32-NEXT: sra $6, $5, 31 +; MIPS32-NEXT: srav $2, $5, $2 +; MIPS32-NEXT: ori $5, $zero, 1 +; MIPS32-NEXT: and $10, $1, $5 +; MIPS32-NEXT: movn $2, $3, $10 +; MIPS32-NEXT: and $3, $8, $5 +; MIPS32-NEXT: movn $2, $4, $3 +; MIPS32-NEXT: and $1, $1, $5 +; MIPS32-NEXT: movn $6, $9, $1 +; MIPS32-NEXT: move $3, $6 +; MIPS32-NEXT: jr $ra +; MIPS32-NEXT: nop +entry: + %shr = ashr i64 %a, %b + ret i64 %shr +} + +define i64 @lshr_i64(i64 %a, i64 %b) { +; MIPS32-LABEL: lshr_i64: +; MIPS32: # %bb.0: # %entry +; MIPS32-NEXT: ori $1, $zero, 32 +; MIPS32-NEXT: subu $2, $6, $1 +; MIPS32-NEXT: subu $3, $1, $6 +; MIPS32-NEXT: ori $8, $zero, 0 +; MIPS32-NEXT: sltu $1, $6, $1 +; MIPS32-NEXT: xor $9, $6, $8 +; MIPS32-NEXT: sltiu $9, $9, 1 +; MIPS32-NEXT: srlv $10, $5, $6 +; MIPS32-NEXT: srlv $6, $4, $6 +; MIPS32-NEXT: sllv $3, $5, $3 +; MIPS32-NEXT: or $3, $6, $3 +; MIPS32-NEXT: srlv $2, $5, $2 +; MIPS32-NEXT: ori $5, $zero, 1 +; MIPS32-NEXT: and $6, $1, $5 +; MIPS32-NEXT: movn $2, $3, $6 +; MIPS32-NEXT: and $3, $9, $5 +; MIPS32-NEXT: movn $2, $4, $3 +; MIPS32-NEXT: and $1, $1, $5 +; MIPS32-NEXT: movn $8, $10, $1 +; MIPS32-NEXT: move $3, $8 +; MIPS32-NEXT: jr $ra +; MIPS32-NEXT: nop +entry: + %shr = lshr i64 %a, %b + ret i64 %shr +}