; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=aarch64-unknown-linux-gnu < %s | FileCheck %s --check-prefix=NEON ; RUN: llc -mtriple=aarch64-unknown-linux-gnu -mattr=+sve2 < %s | FileCheck %s --check-prefix=SVE2 ; Test SVE2 BSL/NBSL/BSL1N/BSL2N code generation for: ; #define BSL(x,y,z) ( ((x) & (z)) | ( (y) & ~(z))) ; #define NBSL(x,y,z) (~(((x) & (z)) | ( (y) & ~(z)))) ; #define BSL1N(x,y,z) ( (~(x) & (z)) | ( (y) & ~(z))) ; #define BSL2N(x,y,z) ( ((x) & (z)) | (~(y) & ~(z))) ; ; See also llvm/test/CodeGen/AArch64/sve2-bsl.ll. ; Test basic codegen. define <1 x i64> @bsl_v1i64(<1 x i64> %0, <1 x i64> %1, <1 x i64> %2) { ; NEON-LABEL: bsl_v1i64: ; NEON: // %bb.0: ; NEON-NEXT: bif v0.8b, v1.8b, v2.8b ; NEON-NEXT: ret ; ; SVE2-LABEL: bsl_v1i64: ; SVE2: // %bb.0: ; SVE2-NEXT: bif v0.8b, v1.8b, v2.8b ; SVE2-NEXT: ret %4 = and <1 x i64> %2, %0 %5 = xor <1 x i64> %2, splat (i64 -1) %6 = and <1 x i64> %1, %5 %7 = or <1 x i64> %4, %6 ret <1 x i64> %7 } define <1 x i64> @nbsl_v1i64(<1 x i64> %0, <1 x i64> %1, <1 x i64> %2) { ; NEON-LABEL: nbsl_v1i64: ; NEON: // %bb.0: ; NEON-NEXT: bif v0.8b, v1.8b, v2.8b ; NEON-NEXT: mvn v0.8b, v0.8b ; NEON-NEXT: ret ; ; SVE2-LABEL: nbsl_v1i64: ; SVE2: // %bb.0: ; SVE2-NEXT: // kill: def $d0 killed $d0 def $z0 ; SVE2-NEXT: // kill: def $d2 killed $d2 def $z2 ; SVE2-NEXT: // kill: def $d1 killed $d1 def $z1 ; SVE2-NEXT: nbsl z0.d, z0.d, z1.d, z2.d ; SVE2-NEXT: // kill: def $d0 killed $d0 killed $z0 ; SVE2-NEXT: ret %4 = and <1 x i64> %2, %0 %5 = xor <1 x i64> %2, splat (i64 -1) %6 = and <1 x i64> %1, %5 %7 = or <1 x i64> %4, %6 %8 = xor <1 x i64> %7, splat (i64 -1) ret <1 x i64> %8 } define <1 x i64> @bsl1n_v1i64(<1 x i64> %0, <1 x i64> %1, <1 x i64> %2) { ; NEON-LABEL: bsl1n_v1i64: ; NEON: // %bb.0: ; NEON-NEXT: mvn v0.8b, v0.8b ; NEON-NEXT: bif v0.8b, v1.8b, v2.8b ; NEON-NEXT: ret ; ; SVE2-LABEL: bsl1n_v1i64: ; SVE2: // %bb.0: ; SVE2-NEXT: // kill: def $d0 killed $d0 def $z0 ; SVE2-NEXT: // kill: def $d2 killed $d2 def $z2 ; SVE2-NEXT: // kill: def $d1 killed $d1 def $z1 ; SVE2-NEXT: bsl1n z0.d, z0.d, z1.d, z2.d ; SVE2-NEXT: // kill: def $d0 killed $d0 killed $z0 ; SVE2-NEXT: ret %4 = xor <1 x i64> %0, splat (i64 -1) %5 = and <1 x i64> %2, %4 %6 = xor <1 x i64> %2, splat (i64 -1) %7 = and <1 x i64> %1, %6 %8 = or <1 x i64> %5, %7 ret <1 x i64> %8 } define <1 x i64> @bsl2n_v1i64(<1 x i64> %0, <1 x i64> %1, <1 x i64> %2) { ; NEON-LABEL: bsl2n_v1i64: ; NEON: // %bb.0: ; NEON-NEXT: and v0.8b, v2.8b, v0.8b ; NEON-NEXT: orr v1.8b, v2.8b, v1.8b ; NEON-NEXT: orn v0.8b, v0.8b, v1.8b ; NEON-NEXT: ret ; ; SVE2-LABEL: bsl2n_v1i64: ; SVE2: // %bb.0: ; SVE2-NEXT: // kill: def $d0 killed $d0 def $z0 ; SVE2-NEXT: // kill: def $d2 killed $d2 def $z2 ; SVE2-NEXT: // kill: def $d1 killed $d1 def $z1 ; SVE2-NEXT: bsl2n z0.d, z0.d, z1.d, z2.d ; SVE2-NEXT: // kill: def $d0 killed $d0 killed $z0 ; SVE2-NEXT: ret %4 = and <1 x i64> %2, %0 %5 = or <1 x i64> %2, %1 %6 = xor <1 x i64> %5, splat (i64 -1) %7 = or <1 x i64> %4, %6 ret <1 x i64> %7 } define <2 x i64> @bsl_v2i64(<2 x i64> %0, <2 x i64> %1, <2 x i64> %2) { ; NEON-LABEL: bsl_v2i64: ; NEON: // %bb.0: ; NEON-NEXT: bif v0.16b, v1.16b, v2.16b ; NEON-NEXT: ret ; ; SVE2-LABEL: bsl_v2i64: ; SVE2: // %bb.0: ; SVE2-NEXT: bif v0.16b, v1.16b, v2.16b ; SVE2-NEXT: ret %4 = and <2 x i64> %2, %0 %5 = xor <2 x i64> %2, splat (i64 -1) %6 = and <2 x i64> %1, %5 %7 = or <2 x i64> %4, %6 ret <2 x i64> %7 } define <2 x i64> @nbsl_v2i64(<2 x i64> %0, <2 x i64> %1, <2 x i64> %2) { ; NEON-LABEL: nbsl_v2i64: ; NEON: // %bb.0: ; NEON-NEXT: bif v0.16b, v1.16b, v2.16b ; NEON-NEXT: mvn v0.16b, v0.16b ; NEON-NEXT: ret ; ; SVE2-LABEL: nbsl_v2i64: ; SVE2: // %bb.0: ; SVE2-NEXT: // kill: def $q0 killed $q0 def $z0 ; SVE2-NEXT: // kill: def $q2 killed $q2 def $z2 ; SVE2-NEXT: // kill: def $q1 killed $q1 def $z1 ; SVE2-NEXT: nbsl z0.d, z0.d, z1.d, z2.d ; SVE2-NEXT: // kill: def $q0 killed $q0 killed $z0 ; SVE2-NEXT: ret %4 = and <2 x i64> %2, %0 %5 = xor <2 x i64> %2, splat (i64 -1) %6 = and <2 x i64> %1, %5 %7 = or <2 x i64> %4, %6 %8 = xor <2 x i64> %7, splat (i64 -1) ret <2 x i64> %8 } define <2 x i64> @bsl1n_v2i64(<2 x i64> %0, <2 x i64> %1, <2 x i64> %2) { ; NEON-LABEL: bsl1n_v2i64: ; NEON: // %bb.0: ; NEON-NEXT: mvn v0.16b, v0.16b ; NEON-NEXT: bif v0.16b, v1.16b, v2.16b ; NEON-NEXT: ret ; ; SVE2-LABEL: bsl1n_v2i64: ; SVE2: // %bb.0: ; SVE2-NEXT: // kill: def $q0 killed $q0 def $z0 ; SVE2-NEXT: // kill: def $q2 killed $q2 def $z2 ; SVE2-NEXT: // kill: def $q1 killed $q1 def $z1 ; SVE2-NEXT: bsl1n z0.d, z0.d, z1.d, z2.d ; SVE2-NEXT: // kill: def $q0 killed $q0 killed $z0 ; SVE2-NEXT: ret %4 = xor <2 x i64> %0, splat (i64 -1) %5 = and <2 x i64> %2, %4 %6 = xor <2 x i64> %2, splat (i64 -1) %7 = and <2 x i64> %1, %6 %8 = or <2 x i64> %5, %7 ret <2 x i64> %8 } define <2 x i64> @bsl2n_v2i64(<2 x i64> %0, <2 x i64> %1, <2 x i64> %2) { ; NEON-LABEL: bsl2n_v2i64: ; NEON: // %bb.0: ; NEON-NEXT: and v0.16b, v2.16b, v0.16b ; NEON-NEXT: orr v1.16b, v2.16b, v1.16b ; NEON-NEXT: orn v0.16b, v0.16b, v1.16b ; NEON-NEXT: ret ; ; SVE2-LABEL: bsl2n_v2i64: ; SVE2: // %bb.0: ; SVE2-NEXT: // kill: def $q0 killed $q0 def $z0 ; SVE2-NEXT: // kill: def $q2 killed $q2 def $z2 ; SVE2-NEXT: // kill: def $q1 killed $q1 def $z1 ; SVE2-NEXT: bsl2n z0.d, z0.d, z1.d, z2.d ; SVE2-NEXT: // kill: def $q0 killed $q0 killed $z0 ; SVE2-NEXT: ret %4 = and <2 x i64> %2, %0 %5 = or <2 x i64> %2, %1 %6 = xor <2 x i64> %5, splat (i64 -1) %7 = or <2 x i64> %4, %6 ret <2 x i64> %7 } ; Test other element types. define <8 x i8> @nbsl_v8i8(<8 x i8> %0, <8 x i8> %1, <8 x i8> %2) { ; NEON-LABEL: nbsl_v8i8: ; NEON: // %bb.0: ; NEON-NEXT: bif v0.8b, v1.8b, v2.8b ; NEON-NEXT: mvn v0.8b, v0.8b ; NEON-NEXT: ret ; ; SVE2-LABEL: nbsl_v8i8: ; SVE2: // %bb.0: ; SVE2-NEXT: // kill: def $d0 killed $d0 def $z0 ; SVE2-NEXT: // kill: def $d2 killed $d2 def $z2 ; SVE2-NEXT: // kill: def $d1 killed $d1 def $z1 ; SVE2-NEXT: nbsl z0.d, z0.d, z1.d, z2.d ; SVE2-NEXT: // kill: def $d0 killed $d0 killed $z0 ; SVE2-NEXT: ret %4 = and <8 x i8> %2, %0 %5 = xor <8 x i8> %2, splat (i8 -1) %6 = and <8 x i8> %1, %5 %7 = or <8 x i8> %4, %6 %8 = xor <8 x i8> %7, splat (i8 -1) ret <8 x i8> %8 } define <4 x i16> @nbsl_v4i16(<4 x i16> %0, <4 x i16> %1, <4 x i16> %2) { ; NEON-LABEL: nbsl_v4i16: ; NEON: // %bb.0: ; NEON-NEXT: bif v0.8b, v1.8b, v2.8b ; NEON-NEXT: mvn v0.8b, v0.8b ; NEON-NEXT: ret ; ; SVE2-LABEL: nbsl_v4i16: ; SVE2: // %bb.0: ; SVE2-NEXT: // kill: def $d0 killed $d0 def $z0 ; SVE2-NEXT: // kill: def $d2 killed $d2 def $z2 ; SVE2-NEXT: // kill: def $d1 killed $d1 def $z1 ; SVE2-NEXT: nbsl z0.d, z0.d, z1.d, z2.d ; SVE2-NEXT: // kill: def $d0 killed $d0 killed $z0 ; SVE2-NEXT: ret %4 = and <4 x i16> %2, %0 %5 = xor <4 x i16> %2, splat (i16 -1) %6 = and <4 x i16> %1, %5 %7 = or <4 x i16> %4, %6 %8 = xor <4 x i16> %7, splat (i16 -1) ret <4 x i16> %8 } define <2 x i32> @nbsl_v2i32(<2 x i32> %0, <2 x i32> %1, <2 x i32> %2) { ; NEON-LABEL: nbsl_v2i32: ; NEON: // %bb.0: ; NEON-NEXT: bif v0.8b, v1.8b, v2.8b ; NEON-NEXT: mvn v0.8b, v0.8b ; NEON-NEXT: ret ; ; SVE2-LABEL: nbsl_v2i32: ; SVE2: // %bb.0: ; SVE2-NEXT: // kill: def $d0 killed $d0 def $z0 ; SVE2-NEXT: // kill: def $d2 killed $d2 def $z2 ; SVE2-NEXT: // kill: def $d1 killed $d1 def $z1 ; SVE2-NEXT: nbsl z0.d, z0.d, z1.d, z2.d ; SVE2-NEXT: // kill: def $d0 killed $d0 killed $z0 ; SVE2-NEXT: ret %4 = and <2 x i32> %2, %0 %5 = xor <2 x i32> %2, splat (i32 -1) %6 = and <2 x i32> %1, %5 %7 = or <2 x i32> %4, %6 %8 = xor <2 x i32> %7, splat (i32 -1) ret <2 x i32> %8 } define <16 x i8> @nbsl_v16i8(<16 x i8> %0, <16 x i8> %1, <16 x i8> %2) { ; NEON-LABEL: nbsl_v16i8: ; NEON: // %bb.0: ; NEON-NEXT: bif v0.16b, v1.16b, v2.16b ; NEON-NEXT: mvn v0.16b, v0.16b ; NEON-NEXT: ret ; ; SVE2-LABEL: nbsl_v16i8: ; SVE2: // %bb.0: ; SVE2-NEXT: // kill: def $q0 killed $q0 def $z0 ; SVE2-NEXT: // kill: def $q2 killed $q2 def $z2 ; SVE2-NEXT: // kill: def $q1 killed $q1 def $z1 ; SVE2-NEXT: nbsl z0.d, z0.d, z1.d, z2.d ; SVE2-NEXT: // kill: def $q0 killed $q0 killed $z0 ; SVE2-NEXT: ret %4 = and <16 x i8> %2, %0 %5 = xor <16 x i8> %2, splat (i8 -1) %6 = and <16 x i8> %1, %5 %7 = or <16 x i8> %4, %6 %8 = xor <16 x i8> %7, splat (i8 -1) ret <16 x i8> %8 } define <8 x i16> @nbsl_v8i16(<8 x i16> %0, <8 x i16> %1, <8 x i16> %2) { ; NEON-LABEL: nbsl_v8i16: ; NEON: // %bb.0: ; NEON-NEXT: bif v0.16b, v1.16b, v2.16b ; NEON-NEXT: mvn v0.16b, v0.16b ; NEON-NEXT: ret ; ; SVE2-LABEL: nbsl_v8i16: ; SVE2: // %bb.0: ; SVE2-NEXT: // kill: def $q0 killed $q0 def $z0 ; SVE2-NEXT: // kill: def $q2 killed $q2 def $z2 ; SVE2-NEXT: // kill: def $q1 killed $q1 def $z1 ; SVE2-NEXT: nbsl z0.d, z0.d, z1.d, z2.d ; SVE2-NEXT: // kill: def $q0 killed $q0 killed $z0 ; SVE2-NEXT: ret %4 = and <8 x i16> %2, %0 %5 = xor <8 x i16> %2, splat (i16 -1) %6 = and <8 x i16> %1, %5 %7 = or <8 x i16> %4, %6 %8 = xor <8 x i16> %7, splat (i16 -1) ret <8 x i16> %8 } define <4 x i32> @nbsl_v4i32(<4 x i32> %0, <4 x i32> %1, <4 x i32> %2) { ; NEON-LABEL: nbsl_v4i32: ; NEON: // %bb.0: ; NEON-NEXT: bif v0.16b, v1.16b, v2.16b ; NEON-NEXT: mvn v0.16b, v0.16b ; NEON-NEXT: ret ; ; SVE2-LABEL: nbsl_v4i32: ; SVE2: // %bb.0: ; SVE2-NEXT: // kill: def $q0 killed $q0 def $z0 ; SVE2-NEXT: // kill: def $q2 killed $q2 def $z2 ; SVE2-NEXT: // kill: def $q1 killed $q1 def $z1 ; SVE2-NEXT: nbsl z0.d, z0.d, z1.d, z2.d ; SVE2-NEXT: // kill: def $q0 killed $q0 killed $z0 ; SVE2-NEXT: ret %4 = and <4 x i32> %2, %0 %5 = xor <4 x i32> %2, splat (i32 -1) %6 = and <4 x i32> %1, %5 %7 = or <4 x i32> %4, %6 %8 = xor <4 x i32> %7, splat (i32 -1) ret <4 x i32> %8 } ; Test types that need promotion. define <4 x i8> @bsl_v4i8(<4 x i8> %0, <4 x i8> %1, <4 x i8> %2) { ; NEON-LABEL: bsl_v4i8: ; NEON: // %bb.0: ; NEON-NEXT: movi d3, #0xff00ff00ff00ff ; NEON-NEXT: and v0.8b, v2.8b, v0.8b ; NEON-NEXT: eor v3.8b, v2.8b, v3.8b ; NEON-NEXT: and v1.8b, v1.8b, v3.8b ; NEON-NEXT: orr v0.8b, v0.8b, v1.8b ; NEON-NEXT: ret ; ; SVE2-LABEL: bsl_v4i8: ; SVE2: // %bb.0: ; SVE2-NEXT: movi d3, #0xff00ff00ff00ff ; SVE2-NEXT: and v0.8b, v2.8b, v0.8b ; SVE2-NEXT: eor v3.8b, v2.8b, v3.8b ; SVE2-NEXT: and v1.8b, v1.8b, v3.8b ; SVE2-NEXT: orr v0.8b, v0.8b, v1.8b ; SVE2-NEXT: ret %4 = and <4 x i8> %2, %0 %5 = xor <4 x i8> %2, splat (i8 -1) %6 = and <4 x i8> %1, %5 %7 = or <4 x i8> %4, %6 ret <4 x i8> %7 } define <4 x i8> @nbsl_v4i8(<4 x i8> %0, <4 x i8> %1, <4 x i8> %2) { ; NEON-LABEL: nbsl_v4i8: ; NEON: // %bb.0: ; NEON-NEXT: movi d3, #0xff00ff00ff00ff ; NEON-NEXT: and v0.8b, v2.8b, v0.8b ; NEON-NEXT: eor v4.8b, v2.8b, v3.8b ; NEON-NEXT: and v1.8b, v1.8b, v4.8b ; NEON-NEXT: orr v0.8b, v0.8b, v1.8b ; NEON-NEXT: eor v0.8b, v0.8b, v3.8b ; NEON-NEXT: ret ; ; SVE2-LABEL: nbsl_v4i8: ; SVE2: // %bb.0: ; SVE2-NEXT: movi d3, #0xff00ff00ff00ff ; SVE2-NEXT: and v0.8b, v2.8b, v0.8b ; SVE2-NEXT: eor v4.8b, v2.8b, v3.8b ; SVE2-NEXT: and v1.8b, v1.8b, v4.8b ; SVE2-NEXT: orr v0.8b, v0.8b, v1.8b ; SVE2-NEXT: eor v0.8b, v0.8b, v3.8b ; SVE2-NEXT: ret %4 = and <4 x i8> %2, %0 %5 = xor <4 x i8> %2, splat (i8 -1) %6 = and <4 x i8> %1, %5 %7 = or <4 x i8> %4, %6 %8 = xor <4 x i8> %7, splat (i8 -1) ret <4 x i8> %8 } define <4 x i8> @bsl1n_v4i8(<4 x i8> %0, <4 x i8> %1, <4 x i8> %2) { ; NEON-LABEL: bsl1n_v4i8: ; NEON: // %bb.0: ; NEON-NEXT: movi d3, #0xff00ff00ff00ff ; NEON-NEXT: eor v0.8b, v0.8b, v3.8b ; NEON-NEXT: eor v3.8b, v2.8b, v3.8b ; NEON-NEXT: and v0.8b, v2.8b, v0.8b ; NEON-NEXT: and v1.8b, v1.8b, v3.8b ; NEON-NEXT: orr v0.8b, v0.8b, v1.8b ; NEON-NEXT: ret ; ; SVE2-LABEL: bsl1n_v4i8: ; SVE2: // %bb.0: ; SVE2-NEXT: movi d3, #0xff00ff00ff00ff ; SVE2-NEXT: eor v0.8b, v0.8b, v3.8b ; SVE2-NEXT: eor v3.8b, v2.8b, v3.8b ; SVE2-NEXT: and v0.8b, v2.8b, v0.8b ; SVE2-NEXT: and v1.8b, v1.8b, v3.8b ; SVE2-NEXT: orr v0.8b, v0.8b, v1.8b ; SVE2-NEXT: ret %4 = xor <4 x i8> %0, splat (i8 -1) %5 = and <4 x i8> %2, %4 %6 = xor <4 x i8> %2, splat (i8 -1) %7 = and <4 x i8> %1, %6 %8 = or <4 x i8> %5, %7 ret <4 x i8> %8 } define <4 x i8> @bsl2n_v4i8(<4 x i8> %0, <4 x i8> %1, <4 x i8> %2) { ; NEON-LABEL: bsl2n_v4i8: ; NEON: // %bb.0: ; NEON-NEXT: movi d3, #0xff00ff00ff00ff ; NEON-NEXT: orr v1.8b, v2.8b, v1.8b ; NEON-NEXT: and v0.8b, v2.8b, v0.8b ; NEON-NEXT: eor v1.8b, v1.8b, v3.8b ; NEON-NEXT: orr v0.8b, v0.8b, v1.8b ; NEON-NEXT: ret ; ; SVE2-LABEL: bsl2n_v4i8: ; SVE2: // %bb.0: ; SVE2-NEXT: movi d3, #0xff00ff00ff00ff ; SVE2-NEXT: orr v1.8b, v2.8b, v1.8b ; SVE2-NEXT: and v0.8b, v2.8b, v0.8b ; SVE2-NEXT: eor v1.8b, v1.8b, v3.8b ; SVE2-NEXT: orr v0.8b, v0.8b, v1.8b ; SVE2-NEXT: ret %4 = and <4 x i8> %2, %0 %5 = or <4 x i8> %2, %1 %6 = xor <4 x i8> %5, splat (i8 -1) %7 = or <4 x i8> %4, %6 ret <4 x i8> %7 } ; NOT (a) has a dedicated instruction (MVN). define <2 x i64> @not_q(<2 x i64> %0) #0 { ; NEON-LABEL: not_q: ; NEON: // %bb.0: ; NEON-NEXT: mvn v0.16b, v0.16b ; NEON-NEXT: ret ; ; SVE2-LABEL: not_q: ; SVE2: // %bb.0: ; SVE2-NEXT: mvn v0.16b, v0.16b ; SVE2-NEXT: ret %2 = xor <2 x i64> %0, splat (i64 -1) ret <2 x i64> %2 } ; NAND (a, b) = NBSL (a, b, b) = NBSL (b, a, a). define <2 x i64> @nand_q(<2 x i64> %0, <2 x i64> %1) #0 { ; NEON-LABEL: nand_q: ; NEON: // %bb.0: ; NEON-NEXT: and v0.16b, v1.16b, v0.16b ; NEON-NEXT: mvn v0.16b, v0.16b ; NEON-NEXT: ret ; ; SVE2-LABEL: nand_q: ; SVE2: // %bb.0: ; SVE2-NEXT: // kill: def $q0 killed $q0 def $z0 ; SVE2-NEXT: // kill: def $q1 killed $q1 def $z1 ; SVE2-NEXT: nbsl z0.d, z0.d, z1.d, z1.d ; SVE2-NEXT: // kill: def $q0 killed $q0 killed $z0 ; SVE2-NEXT: ret %3 = and <2 x i64> %1, %0 %4 = xor <2 x i64> %3, splat (i64 -1) ret <2 x i64> %4 } ; NOR (a, b) = NBSL (a, b, a) = NBSL (b, a, b). define <2 x i64> @nor_q(<2 x i64> %0, <2 x i64> %1) #0 { ; NEON-LABEL: nor_q: ; NEON: // %bb.0: ; NEON-NEXT: orr v0.16b, v1.16b, v0.16b ; NEON-NEXT: mvn v0.16b, v0.16b ; NEON-NEXT: ret ; ; SVE2-LABEL: nor_q: ; SVE2: // %bb.0: ; SVE2-NEXT: // kill: def $q0 killed $q0 def $z0 ; SVE2-NEXT: // kill: def $q1 killed $q1 def $z1 ; SVE2-NEXT: nbsl z0.d, z0.d, z1.d, z0.d ; SVE2-NEXT: // kill: def $q0 killed $q0 killed $z0 ; SVE2-NEXT: ret %3 = or <2 x i64> %1, %0 %4 = xor <2 x i64> %3, splat (i64 -1) ret <2 x i64> %4 } ; EON (a, b) = BSL2N (a, a, b) = BSL2N (b, b, a). define <2 x i64> @eon_q(<2 x i64> %0, <2 x i64> %1) #0 { ; NEON-LABEL: eon_q: ; NEON: // %bb.0: ; NEON-NEXT: eor v0.16b, v0.16b, v1.16b ; NEON-NEXT: mvn v0.16b, v0.16b ; NEON-NEXT: ret ; ; SVE2-LABEL: eon_q: ; SVE2: // %bb.0: ; SVE2-NEXT: // kill: def $q0 killed $q0 def $z0 ; SVE2-NEXT: // kill: def $q1 killed $q1 def $z1 ; SVE2-NEXT: bsl2n z0.d, z0.d, z0.d, z1.d ; SVE2-NEXT: // kill: def $q0 killed $q0 killed $z0 ; SVE2-NEXT: ret %3 = xor <2 x i64> %0, %1 %4 = xor <2 x i64> %3, splat (i64 -1) ret <2 x i64> %4 } ; ORN (a, b) has a dedicated instruction (ORN). define <2 x i64> @orn_q(<2 x i64> %0, <2 x i64> %1) #0 { ; NEON-LABEL: orn_q: ; NEON: // %bb.0: ; NEON-NEXT: orn v0.16b, v0.16b, v1.16b ; NEON-NEXT: ret ; ; SVE2-LABEL: orn_q: ; SVE2: // %bb.0: ; SVE2-NEXT: orn v0.16b, v0.16b, v1.16b ; SVE2-NEXT: ret %3 = xor <2 x i64> %1, splat (i64 -1) %4 = or <2 x i64> %0, %3 ret <2 x i64> %4 }