[llvm-branch-commits] [llvm] [RISCV] Add initial support of memcmp expansion (PR #107548)
Craig Topper via llvm-branch-commits
llvm-branch-commits at lists.llvm.org
Mon Nov 4 09:17:53 PST 2024
================
@@ -315,967 +3233,10985 @@ define i32 @bcmp_size_31(ptr %s1, ptr %s2) nounwind optsize {
; CHECK-RV32: # %bb.0: # %entry
; CHECK-RV32-NEXT: addi sp, sp, -16
; CHECK-RV32-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
-; CHECK-RV32-NEXT: li a2, 31
+; CHECK-RV32-NEXT: li a2, 31
+; CHECK-RV32-NEXT: call bcmp
+; CHECK-RV32-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
+; CHECK-RV32-NEXT: addi sp, sp, 16
+; CHECK-RV32-NEXT: ret
+;
+; CHECK-ALIGNED-RV64-LABEL: bcmp_size_31:
+; CHECK-ALIGNED-RV64: # %bb.0: # %entry
+; CHECK-ALIGNED-RV64-NEXT: addi sp, sp, -16
+; CHECK-ALIGNED-RV64-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
+; CHECK-ALIGNED-RV64-NEXT: li a2, 31
+; CHECK-ALIGNED-RV64-NEXT: call bcmp
+; CHECK-ALIGNED-RV64-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
+; CHECK-ALIGNED-RV64-NEXT: addi sp, sp, 16
+; CHECK-ALIGNED-RV64-NEXT: ret
+;
+; CHECK-ALIGNED-RV64-ZBB-LABEL: bcmp_size_31:
+; CHECK-ALIGNED-RV64-ZBB: # %bb.0: # %entry
+; CHECK-ALIGNED-RV64-ZBB-NEXT: addi sp, sp, -16
+; CHECK-ALIGNED-RV64-ZBB-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
+; CHECK-ALIGNED-RV64-ZBB-NEXT: li a2, 31
+; CHECK-ALIGNED-RV64-ZBB-NEXT: call bcmp
+; CHECK-ALIGNED-RV64-ZBB-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
+; CHECK-ALIGNED-RV64-ZBB-NEXT: addi sp, sp, 16
+; CHECK-ALIGNED-RV64-ZBB-NEXT: ret
+;
+; CHECK-ALIGNED-RV64-ZBKB-LABEL: bcmp_size_31:
+; CHECK-ALIGNED-RV64-ZBKB: # %bb.0: # %entry
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: addi sp, sp, -16
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: li a2, 31
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: call bcmp
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: addi sp, sp, 16
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: ret
+;
+; CHECK-ALIGNED-RV64-V-LABEL: bcmp_size_31:
+; CHECK-ALIGNED-RV64-V: # %bb.0: # %entry
+; CHECK-ALIGNED-RV64-V-NEXT: addi sp, sp, -16
+; CHECK-ALIGNED-RV64-V-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
+; CHECK-ALIGNED-RV64-V-NEXT: li a2, 31
+; CHECK-ALIGNED-RV64-V-NEXT: call bcmp
+; CHECK-ALIGNED-RV64-V-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
+; CHECK-ALIGNED-RV64-V-NEXT: addi sp, sp, 16
+; CHECK-ALIGNED-RV64-V-NEXT: ret
+;
+; CHECK-UNALIGNED-RV64-LABEL: bcmp_size_31:
+; CHECK-UNALIGNED-RV64: # %bb.0: # %entry
+; CHECK-UNALIGNED-RV64-NEXT: ld a2, 0(a0)
+; CHECK-UNALIGNED-RV64-NEXT: ld a3, 8(a0)
+; CHECK-UNALIGNED-RV64-NEXT: ld a4, 16(a0)
+; CHECK-UNALIGNED-RV64-NEXT: ld a0, 23(a0)
+; CHECK-UNALIGNED-RV64-NEXT: ld a5, 0(a1)
+; CHECK-UNALIGNED-RV64-NEXT: ld a6, 8(a1)
+; CHECK-UNALIGNED-RV64-NEXT: ld a7, 16(a1)
+; CHECK-UNALIGNED-RV64-NEXT: ld a1, 23(a1)
+; CHECK-UNALIGNED-RV64-NEXT: xor a2, a2, a5
+; CHECK-UNALIGNED-RV64-NEXT: xor a3, a3, a6
+; CHECK-UNALIGNED-RV64-NEXT: xor a4, a4, a7
+; CHECK-UNALIGNED-RV64-NEXT: xor a0, a0, a1
+; CHECK-UNALIGNED-RV64-NEXT: or a2, a2, a3
+; CHECK-UNALIGNED-RV64-NEXT: or a0, a4, a0
+; CHECK-UNALIGNED-RV64-NEXT: or a0, a2, a0
+; CHECK-UNALIGNED-RV64-NEXT: snez a0, a0
+; CHECK-UNALIGNED-RV64-NEXT: ret
+;
+; CHECK-UNALIGNED-RV64-ZBB-LABEL: bcmp_size_31:
+; CHECK-UNALIGNED-RV64-ZBB: # %bb.0: # %entry
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: ld a2, 0(a0)
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: ld a3, 8(a0)
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: ld a4, 16(a0)
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: ld a0, 23(a0)
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: ld a5, 0(a1)
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: ld a6, 8(a1)
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: ld a7, 16(a1)
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: ld a1, 23(a1)
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: xor a2, a2, a5
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: xor a3, a3, a6
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: xor a4, a4, a7
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: xor a0, a0, a1
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: or a2, a2, a3
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: or a0, a4, a0
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: or a0, a2, a0
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: snez a0, a0
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: ret
+;
+; CHECK-UNALIGNED-RV64-ZBKB-LABEL: bcmp_size_31:
+; CHECK-UNALIGNED-RV64-ZBKB: # %bb.0: # %entry
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: ld a2, 0(a0)
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: ld a3, 8(a0)
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: ld a4, 16(a0)
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: ld a0, 23(a0)
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: ld a5, 0(a1)
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: ld a6, 8(a1)
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: ld a7, 16(a1)
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: ld a1, 23(a1)
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: xor a2, a2, a5
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: xor a3, a3, a6
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: xor a4, a4, a7
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: xor a0, a0, a1
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: or a2, a2, a3
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: or a0, a4, a0
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: or a0, a2, a0
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: snez a0, a0
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: ret
+;
+; CHECK-UNALIGNED-RV64-V-LABEL: bcmp_size_31:
+; CHECK-UNALIGNED-RV64-V: # %bb.0: # %entry
+; CHECK-UNALIGNED-RV64-V-NEXT: ld a2, 0(a0)
+; CHECK-UNALIGNED-RV64-V-NEXT: ld a3, 8(a0)
+; CHECK-UNALIGNED-RV64-V-NEXT: ld a4, 16(a0)
+; CHECK-UNALIGNED-RV64-V-NEXT: ld a0, 23(a0)
+; CHECK-UNALIGNED-RV64-V-NEXT: ld a5, 0(a1)
+; CHECK-UNALIGNED-RV64-V-NEXT: ld a6, 8(a1)
+; CHECK-UNALIGNED-RV64-V-NEXT: ld a7, 16(a1)
+; CHECK-UNALIGNED-RV64-V-NEXT: ld a1, 23(a1)
+; CHECK-UNALIGNED-RV64-V-NEXT: xor a2, a2, a5
+; CHECK-UNALIGNED-RV64-V-NEXT: xor a3, a3, a6
+; CHECK-UNALIGNED-RV64-V-NEXT: xor a4, a4, a7
+; CHECK-UNALIGNED-RV64-V-NEXT: xor a0, a0, a1
+; CHECK-UNALIGNED-RV64-V-NEXT: or a2, a2, a3
+; CHECK-UNALIGNED-RV64-V-NEXT: or a0, a4, a0
+; CHECK-UNALIGNED-RV64-V-NEXT: or a0, a2, a0
+; CHECK-UNALIGNED-RV64-V-NEXT: snez a0, a0
+; CHECK-UNALIGNED-RV64-V-NEXT: ret
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iXLen 31)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_32(ptr %s1, ptr %s2) nounwind optsize {
+; CHECK-RV32-LABEL: bcmp_size_32:
+; CHECK-RV32: # %bb.0: # %entry
+; CHECK-RV32-NEXT: addi sp, sp, -16
+; CHECK-RV32-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
+; CHECK-RV32-NEXT: li a2, 32
+; CHECK-RV32-NEXT: call bcmp
+; CHECK-RV32-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
+; CHECK-RV32-NEXT: addi sp, sp, 16
+; CHECK-RV32-NEXT: ret
+;
+; CHECK-ALIGNED-RV64-LABEL: bcmp_size_32:
+; CHECK-ALIGNED-RV64: # %bb.0: # %entry
+; CHECK-ALIGNED-RV64-NEXT: lbu a2, 1(a0)
+; CHECK-ALIGNED-RV64-NEXT: lbu a3, 0(a0)
+; CHECK-ALIGNED-RV64-NEXT: lbu a4, 2(a0)
+; CHECK-ALIGNED-RV64-NEXT: lbu a5, 3(a0)
+; CHECK-ALIGNED-RV64-NEXT: slli a2, a2, 8
+; CHECK-ALIGNED-RV64-NEXT: or a2, a2, a3
+; CHECK-ALIGNED-RV64-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-NEXT: slli a5, a5, 24
+; CHECK-ALIGNED-RV64-NEXT: or a4, a5, a4
+; CHECK-ALIGNED-RV64-NEXT: lbu a3, 4(a0)
+; CHECK-ALIGNED-RV64-NEXT: lbu a5, 5(a0)
+; CHECK-ALIGNED-RV64-NEXT: or a2, a4, a2
+; CHECK-ALIGNED-RV64-NEXT: lbu a4, 6(a0)
+; CHECK-ALIGNED-RV64-NEXT: lbu a6, 7(a0)
+; CHECK-ALIGNED-RV64-NEXT: slli a5, a5, 8
+; CHECK-ALIGNED-RV64-NEXT: or a3, a5, a3
+; CHECK-ALIGNED-RV64-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-NEXT: slli a6, a6, 24
+; CHECK-ALIGNED-RV64-NEXT: or a4, a6, a4
+; CHECK-ALIGNED-RV64-NEXT: or a3, a4, a3
+; CHECK-ALIGNED-RV64-NEXT: slli a3, a3, 32
+; CHECK-ALIGNED-RV64-NEXT: lbu a4, 0(a1)
+; CHECK-ALIGNED-RV64-NEXT: lbu a5, 1(a1)
+; CHECK-ALIGNED-RV64-NEXT: or a2, a3, a2
+; CHECK-ALIGNED-RV64-NEXT: lbu a3, 2(a1)
+; CHECK-ALIGNED-RV64-NEXT: lbu a6, 3(a1)
+; CHECK-ALIGNED-RV64-NEXT: slli a5, a5, 8
+; CHECK-ALIGNED-RV64-NEXT: or a4, a5, a4
+; CHECK-ALIGNED-RV64-NEXT: slli a3, a3, 16
+; CHECK-ALIGNED-RV64-NEXT: slli a6, a6, 24
+; CHECK-ALIGNED-RV64-NEXT: or a3, a6, a3
+; CHECK-ALIGNED-RV64-NEXT: lbu a5, 4(a1)
+; CHECK-ALIGNED-RV64-NEXT: lbu a6, 5(a1)
+; CHECK-ALIGNED-RV64-NEXT: or a3, a3, a4
+; CHECK-ALIGNED-RV64-NEXT: lbu a4, 6(a1)
+; CHECK-ALIGNED-RV64-NEXT: lbu a7, 7(a1)
+; CHECK-ALIGNED-RV64-NEXT: slli a6, a6, 8
+; CHECK-ALIGNED-RV64-NEXT: or a5, a6, a5
+; CHECK-ALIGNED-RV64-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-NEXT: slli a7, a7, 24
+; CHECK-ALIGNED-RV64-NEXT: or a4, a7, a4
+; CHECK-ALIGNED-RV64-NEXT: or a4, a4, a5
+; CHECK-ALIGNED-RV64-NEXT: slli a4, a4, 32
+; CHECK-ALIGNED-RV64-NEXT: or a3, a4, a3
+; CHECK-ALIGNED-RV64-NEXT: lbu a4, 8(a0)
+; CHECK-ALIGNED-RV64-NEXT: lbu a5, 9(a0)
+; CHECK-ALIGNED-RV64-NEXT: xor a2, a2, a3
+; CHECK-ALIGNED-RV64-NEXT: lbu a3, 10(a0)
+; CHECK-ALIGNED-RV64-NEXT: lbu a6, 11(a0)
+; CHECK-ALIGNED-RV64-NEXT: slli a5, a5, 8
+; CHECK-ALIGNED-RV64-NEXT: or a4, a5, a4
+; CHECK-ALIGNED-RV64-NEXT: slli a3, a3, 16
+; CHECK-ALIGNED-RV64-NEXT: slli a6, a6, 24
+; CHECK-ALIGNED-RV64-NEXT: or a3, a6, a3
+; CHECK-ALIGNED-RV64-NEXT: lbu a5, 12(a0)
+; CHECK-ALIGNED-RV64-NEXT: lbu a6, 13(a0)
+; CHECK-ALIGNED-RV64-NEXT: or a3, a3, a4
+; CHECK-ALIGNED-RV64-NEXT: lbu a4, 14(a0)
+; CHECK-ALIGNED-RV64-NEXT: lbu a7, 15(a0)
+; CHECK-ALIGNED-RV64-NEXT: slli a6, a6, 8
+; CHECK-ALIGNED-RV64-NEXT: or a5, a6, a5
+; CHECK-ALIGNED-RV64-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-NEXT: slli a7, a7, 24
+; CHECK-ALIGNED-RV64-NEXT: or a4, a7, a4
+; CHECK-ALIGNED-RV64-NEXT: or a4, a4, a5
+; CHECK-ALIGNED-RV64-NEXT: slli a4, a4, 32
+; CHECK-ALIGNED-RV64-NEXT: lbu a5, 8(a1)
+; CHECK-ALIGNED-RV64-NEXT: lbu a6, 9(a1)
+; CHECK-ALIGNED-RV64-NEXT: or a3, a4, a3
+; CHECK-ALIGNED-RV64-NEXT: lbu a4, 10(a1)
+; CHECK-ALIGNED-RV64-NEXT: lbu a7, 11(a1)
+; CHECK-ALIGNED-RV64-NEXT: slli a6, a6, 8
+; CHECK-ALIGNED-RV64-NEXT: or a5, a6, a5
+; CHECK-ALIGNED-RV64-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-NEXT: slli a7, a7, 24
+; CHECK-ALIGNED-RV64-NEXT: or a4, a7, a4
+; CHECK-ALIGNED-RV64-NEXT: lbu a6, 12(a1)
+; CHECK-ALIGNED-RV64-NEXT: lbu a7, 13(a1)
+; CHECK-ALIGNED-RV64-NEXT: or a4, a4, a5
+; CHECK-ALIGNED-RV64-NEXT: lbu a5, 14(a1)
+; CHECK-ALIGNED-RV64-NEXT: lbu t0, 15(a1)
+; CHECK-ALIGNED-RV64-NEXT: slli a7, a7, 8
+; CHECK-ALIGNED-RV64-NEXT: or a6, a7, a6
+; CHECK-ALIGNED-RV64-NEXT: slli a5, a5, 16
+; CHECK-ALIGNED-RV64-NEXT: slli t0, t0, 24
+; CHECK-ALIGNED-RV64-NEXT: or a5, t0, a5
+; CHECK-ALIGNED-RV64-NEXT: or a5, a5, a6
+; CHECK-ALIGNED-RV64-NEXT: slli a5, a5, 32
+; CHECK-ALIGNED-RV64-NEXT: or a4, a5, a4
+; CHECK-ALIGNED-RV64-NEXT: lbu a5, 16(a0)
+; CHECK-ALIGNED-RV64-NEXT: lbu a6, 17(a0)
+; CHECK-ALIGNED-RV64-NEXT: xor a3, a3, a4
+; CHECK-ALIGNED-RV64-NEXT: lbu a4, 18(a0)
+; CHECK-ALIGNED-RV64-NEXT: lbu a7, 19(a0)
+; CHECK-ALIGNED-RV64-NEXT: slli a6, a6, 8
+; CHECK-ALIGNED-RV64-NEXT: or a5, a6, a5
+; CHECK-ALIGNED-RV64-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-NEXT: slli a7, a7, 24
+; CHECK-ALIGNED-RV64-NEXT: or a4, a7, a4
+; CHECK-ALIGNED-RV64-NEXT: lbu a6, 20(a0)
+; CHECK-ALIGNED-RV64-NEXT: lbu a7, 21(a0)
+; CHECK-ALIGNED-RV64-NEXT: or a4, a4, a5
+; CHECK-ALIGNED-RV64-NEXT: lbu a5, 22(a0)
+; CHECK-ALIGNED-RV64-NEXT: lbu t0, 23(a0)
+; CHECK-ALIGNED-RV64-NEXT: slli a7, a7, 8
+; CHECK-ALIGNED-RV64-NEXT: or a6, a7, a6
+; CHECK-ALIGNED-RV64-NEXT: slli a5, a5, 16
+; CHECK-ALIGNED-RV64-NEXT: slli t0, t0, 24
+; CHECK-ALIGNED-RV64-NEXT: or a5, t0, a5
+; CHECK-ALIGNED-RV64-NEXT: or a5, a5, a6
+; CHECK-ALIGNED-RV64-NEXT: slli a5, a5, 32
+; CHECK-ALIGNED-RV64-NEXT: lbu a6, 16(a1)
+; CHECK-ALIGNED-RV64-NEXT: lbu a7, 17(a1)
+; CHECK-ALIGNED-RV64-NEXT: or a4, a5, a4
+; CHECK-ALIGNED-RV64-NEXT: lbu a5, 18(a1)
+; CHECK-ALIGNED-RV64-NEXT: lbu t0, 19(a1)
+; CHECK-ALIGNED-RV64-NEXT: slli a7, a7, 8
+; CHECK-ALIGNED-RV64-NEXT: or a6, a7, a6
+; CHECK-ALIGNED-RV64-NEXT: slli a5, a5, 16
+; CHECK-ALIGNED-RV64-NEXT: slli t0, t0, 24
+; CHECK-ALIGNED-RV64-NEXT: or a5, t0, a5
+; CHECK-ALIGNED-RV64-NEXT: lbu a7, 20(a1)
+; CHECK-ALIGNED-RV64-NEXT: lbu t0, 21(a1)
+; CHECK-ALIGNED-RV64-NEXT: or a5, a5, a6
+; CHECK-ALIGNED-RV64-NEXT: lbu a6, 22(a1)
+; CHECK-ALIGNED-RV64-NEXT: lbu t1, 23(a1)
+; CHECK-ALIGNED-RV64-NEXT: slli t0, t0, 8
+; CHECK-ALIGNED-RV64-NEXT: or a7, t0, a7
+; CHECK-ALIGNED-RV64-NEXT: slli a6, a6, 16
+; CHECK-ALIGNED-RV64-NEXT: slli t1, t1, 24
+; CHECK-ALIGNED-RV64-NEXT: or a6, t1, a6
+; CHECK-ALIGNED-RV64-NEXT: or a6, a6, a7
+; CHECK-ALIGNED-RV64-NEXT: slli a6, a6, 32
+; CHECK-ALIGNED-RV64-NEXT: or a5, a6, a5
+; CHECK-ALIGNED-RV64-NEXT: lbu a6, 24(a0)
+; CHECK-ALIGNED-RV64-NEXT: lbu a7, 25(a0)
+; CHECK-ALIGNED-RV64-NEXT: xor a4, a4, a5
+; CHECK-ALIGNED-RV64-NEXT: lbu a5, 26(a0)
+; CHECK-ALIGNED-RV64-NEXT: lbu t0, 27(a0)
+; CHECK-ALIGNED-RV64-NEXT: slli a7, a7, 8
+; CHECK-ALIGNED-RV64-NEXT: or a6, a7, a6
+; CHECK-ALIGNED-RV64-NEXT: slli a5, a5, 16
+; CHECK-ALIGNED-RV64-NEXT: slli t0, t0, 24
+; CHECK-ALIGNED-RV64-NEXT: or a5, t0, a5
+; CHECK-ALIGNED-RV64-NEXT: lbu a7, 28(a0)
+; CHECK-ALIGNED-RV64-NEXT: lbu t0, 29(a0)
+; CHECK-ALIGNED-RV64-NEXT: or a5, a5, a6
+; CHECK-ALIGNED-RV64-NEXT: lbu a6, 30(a0)
+; CHECK-ALIGNED-RV64-NEXT: lbu a0, 31(a0)
+; CHECK-ALIGNED-RV64-NEXT: slli t0, t0, 8
+; CHECK-ALIGNED-RV64-NEXT: or a7, t0, a7
+; CHECK-ALIGNED-RV64-NEXT: slli a6, a6, 16
+; CHECK-ALIGNED-RV64-NEXT: slli a0, a0, 24
+; CHECK-ALIGNED-RV64-NEXT: or a0, a0, a6
+; CHECK-ALIGNED-RV64-NEXT: or a0, a0, a7
+; CHECK-ALIGNED-RV64-NEXT: slli a0, a0, 32
+; CHECK-ALIGNED-RV64-NEXT: lbu a6, 24(a1)
+; CHECK-ALIGNED-RV64-NEXT: lbu a7, 25(a1)
+; CHECK-ALIGNED-RV64-NEXT: or a0, a0, a5
+; CHECK-ALIGNED-RV64-NEXT: lbu a5, 26(a1)
+; CHECK-ALIGNED-RV64-NEXT: lbu t0, 27(a1)
+; CHECK-ALIGNED-RV64-NEXT: slli a7, a7, 8
+; CHECK-ALIGNED-RV64-NEXT: or a6, a7, a6
+; CHECK-ALIGNED-RV64-NEXT: slli a5, a5, 16
+; CHECK-ALIGNED-RV64-NEXT: slli t0, t0, 24
+; CHECK-ALIGNED-RV64-NEXT: or a5, t0, a5
+; CHECK-ALIGNED-RV64-NEXT: lbu a7, 28(a1)
+; CHECK-ALIGNED-RV64-NEXT: lbu t0, 29(a1)
+; CHECK-ALIGNED-RV64-NEXT: or a5, a5, a6
+; CHECK-ALIGNED-RV64-NEXT: lbu a6, 30(a1)
+; CHECK-ALIGNED-RV64-NEXT: lbu a1, 31(a1)
+; CHECK-ALIGNED-RV64-NEXT: slli t0, t0, 8
+; CHECK-ALIGNED-RV64-NEXT: or a7, t0, a7
+; CHECK-ALIGNED-RV64-NEXT: slli a6, a6, 16
+; CHECK-ALIGNED-RV64-NEXT: slli a1, a1, 24
+; CHECK-ALIGNED-RV64-NEXT: or a1, a1, a6
+; CHECK-ALIGNED-RV64-NEXT: or a1, a1, a7
+; CHECK-ALIGNED-RV64-NEXT: slli a1, a1, 32
+; CHECK-ALIGNED-RV64-NEXT: or a1, a1, a5
+; CHECK-ALIGNED-RV64-NEXT: xor a0, a0, a1
+; CHECK-ALIGNED-RV64-NEXT: or a2, a2, a3
+; CHECK-ALIGNED-RV64-NEXT: or a0, a4, a0
+; CHECK-ALIGNED-RV64-NEXT: or a0, a2, a0
+; CHECK-ALIGNED-RV64-NEXT: snez a0, a0
+; CHECK-ALIGNED-RV64-NEXT: ret
+;
+; CHECK-ALIGNED-RV64-ZBB-LABEL: bcmp_size_32:
+; CHECK-ALIGNED-RV64-ZBB: # %bb.0: # %entry
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a2, 1(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a3, 0(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a4, 2(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a5, 3(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a2, a2, 8
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a2, a2, a3
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a5, a5, 24
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a4, a5, a4
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a3, 4(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a5, 5(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a2, a4, a2
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a4, 6(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a6, 7(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a5, a5, 8
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a3, a5, a3
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a6, a6, 24
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a4, a6, a4
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a3, a4, a3
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a3, a3, 32
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a4, 0(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a5, 1(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a2, a3, a2
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a3, 2(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a6, 3(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a5, a5, 8
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a4, a5, a4
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a3, a3, 16
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a6, a6, 24
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a3, a6, a3
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a5, 4(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a6, 5(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a3, a3, a4
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a4, 6(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a7, 7(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a6, a6, 8
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a5, a6, a5
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a7, a7, 24
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a4, a7, a4
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a4, a4, a5
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a4, a4, 32
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a3, a4, a3
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a4, 8(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a5, 9(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: xor a2, a2, a3
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a3, 10(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a6, 11(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a5, a5, 8
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a4, a5, a4
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a3, a3, 16
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a6, a6, 24
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a3, a6, a3
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a5, 12(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a6, 13(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a3, a3, a4
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a4, 14(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a7, 15(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a6, a6, 8
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a5, a6, a5
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a7, a7, 24
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a4, a7, a4
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a4, a4, a5
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a4, a4, 32
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a5, 8(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a6, 9(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a3, a4, a3
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a4, 10(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a7, 11(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a6, a6, 8
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a5, a6, a5
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a7, a7, 24
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a4, a7, a4
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a6, 12(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a7, 13(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a4, a4, a5
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a5, 14(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu t0, 15(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a7, a7, 8
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a6, a7, a6
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a5, a5, 16
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli t0, t0, 24
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a5, t0, a5
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a5, a5, a6
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a5, a5, 32
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a4, a5, a4
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a5, 16(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a6, 17(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: xor a3, a3, a4
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a4, 18(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a7, 19(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a6, a6, 8
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a5, a6, a5
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a7, a7, 24
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a4, a7, a4
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a6, 20(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a7, 21(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a4, a4, a5
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a5, 22(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu t0, 23(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a7, a7, 8
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a6, a7, a6
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a5, a5, 16
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli t0, t0, 24
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a5, t0, a5
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a5, a5, a6
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a5, a5, 32
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a6, 16(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a7, 17(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a4, a5, a4
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a5, 18(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu t0, 19(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a7, a7, 8
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a6, a7, a6
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a5, a5, 16
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli t0, t0, 24
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a5, t0, a5
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a7, 20(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu t0, 21(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a5, a5, a6
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a6, 22(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu t1, 23(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli t0, t0, 8
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a7, t0, a7
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a6, a6, 16
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli t1, t1, 24
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a6, t1, a6
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a6, a6, a7
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a6, a6, 32
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a5, a6, a5
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a6, 24(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a7, 25(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: xor a4, a4, a5
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a5, 26(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu t0, 27(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a7, a7, 8
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a6, a7, a6
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a5, a5, 16
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli t0, t0, 24
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a5, t0, a5
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a7, 28(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu t0, 29(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a5, a5, a6
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a6, 30(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a0, 31(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli t0, t0, 8
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a7, t0, a7
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a6, a6, 16
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a0, a0, 24
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a0, a0, a6
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a0, a0, a7
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a0, a0, 32
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a6, 24(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a7, 25(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a0, a0, a5
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a5, 26(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu t0, 27(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a7, a7, 8
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a6, a7, a6
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a5, a5, 16
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli t0, t0, 24
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a5, t0, a5
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a7, 28(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu t0, 29(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a5, a5, a6
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a6, 30(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a1, 31(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli t0, t0, 8
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a7, t0, a7
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a6, a6, 16
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a1, a1, 24
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a1, a1, a6
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a1, a1, a7
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a1, a1, 32
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a1, a1, a5
+; CHECK-ALIGNED-RV64-ZBB-NEXT: xor a0, a0, a1
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a2, a2, a3
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a0, a4, a0
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a0, a2, a0
+; CHECK-ALIGNED-RV64-ZBB-NEXT: snez a0, a0
+; CHECK-ALIGNED-RV64-ZBB-NEXT: ret
+;
+; CHECK-ALIGNED-RV64-ZBKB-LABEL: bcmp_size_32:
+; CHECK-ALIGNED-RV64-ZBKB: # %bb.0: # %entry
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a2, 4(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a3, 5(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a4, 6(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a5, 7(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a2, a2, a3
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a3, a4, a5
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a4, 0(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a5, 1(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a6, 2(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a7, 3(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: slli a3, a3, 16
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a2, a3, a2
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a3, a4, a5
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a4, a6, a7
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a5, 4(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a6, 5(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a7, 6(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t0, 7(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a3, a4, a3
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: pack a2, a3, a2
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a3, a5, a6
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a4, a7, t0
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a5, 0(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a6, 1(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a7, 2(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t0, 3(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a3, a4, a3
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a4, a5, a6
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a5, a7, t0
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: slli a5, a5, 16
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a4, a5, a4
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a5, 12(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a6, 13(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a7, 14(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t0, 15(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: pack a3, a4, a3
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: xor a2, a2, a3
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a3, a5, a6
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a4, a7, t0
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a5, 8(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a6, 9(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a7, 10(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t0, 11(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a3, a4, a3
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a4, a5, a6
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a5, a7, t0
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: slli a5, a5, 16
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a6, 12(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a7, 13(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t0, 14(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t1, 15(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a4, a5, a4
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: pack a3, a4, a3
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a4, a6, a7
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a5, t0, t1
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a6, 8(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a7, 9(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t0, 10(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t1, 11(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: slli a5, a5, 16
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a4, a5, a4
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a5, a6, a7
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a6, t0, t1
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: slli a6, a6, 16
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a5, a6, a5
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a6, 20(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a7, 21(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t0, 22(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t1, 23(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: pack a4, a5, a4
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: xor a3, a3, a4
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a4, a6, a7
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a5, t0, t1
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a6, 16(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a7, 17(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t0, 18(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t1, 19(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: slli a5, a5, 16
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a4, a5, a4
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a5, a6, a7
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a6, t0, t1
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: slli a6, a6, 16
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a7, 20(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t0, 21(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t1, 22(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t2, 23(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a5, a6, a5
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: pack a4, a5, a4
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a5, a7, t0
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a6, t1, t2
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a7, 16(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t0, 17(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t1, 18(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t2, 19(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: slli a6, a6, 16
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a5, a6, a5
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a6, a7, t0
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a7, t1, t2
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: slli a7, a7, 16
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a6, a7, a6
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a7, 28(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t0, 29(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t1, 30(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t2, 31(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: pack a5, a6, a5
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: xor a4, a4, a5
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a5, a7, t0
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a6, t1, t2
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a7, 24(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t0, 25(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t1, 26(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a0, 27(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: slli a6, a6, 16
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a5, a6, a5
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a6, a7, t0
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a0, t1, a0
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: slli a0, a0, 16
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a7, 28(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t0, 29(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t1, 30(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t2, 31(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a0, a0, a6
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: pack a0, a0, a5
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a5, a7, t0
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a6, t1, t2
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a7, 24(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t0, 25(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu t1, 26(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a1, 27(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: slli a6, a6, 16
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a5, a6, a5
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a6, a7, t0
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a1, t1, a1
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: slli a1, a1, 16
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a1, a1, a6
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: pack a1, a1, a5
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: xor a0, a0, a1
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a2, a2, a3
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a0, a4, a0
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a0, a2, a0
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: snez a0, a0
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: ret
+;
+; CHECK-ALIGNED-RV64-V-LABEL: bcmp_size_32:
+; CHECK-ALIGNED-RV64-V: # %bb.0: # %entry
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a2, 1(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a3, 0(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a4, 2(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a5, 3(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: slli a2, a2, 8
+; CHECK-ALIGNED-RV64-V-NEXT: or a2, a2, a3
+; CHECK-ALIGNED-RV64-V-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-V-NEXT: slli a5, a5, 24
+; CHECK-ALIGNED-RV64-V-NEXT: or a4, a5, a4
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a3, 4(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a5, 5(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: or a2, a4, a2
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a4, 6(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a6, 7(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: slli a5, a5, 8
+; CHECK-ALIGNED-RV64-V-NEXT: or a3, a5, a3
+; CHECK-ALIGNED-RV64-V-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-V-NEXT: slli a6, a6, 24
+; CHECK-ALIGNED-RV64-V-NEXT: or a4, a6, a4
+; CHECK-ALIGNED-RV64-V-NEXT: or a3, a4, a3
+; CHECK-ALIGNED-RV64-V-NEXT: slli a3, a3, 32
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a4, 0(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a5, 1(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: or a2, a3, a2
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a3, 2(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a6, 3(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: slli a5, a5, 8
+; CHECK-ALIGNED-RV64-V-NEXT: or a4, a5, a4
+; CHECK-ALIGNED-RV64-V-NEXT: slli a3, a3, 16
+; CHECK-ALIGNED-RV64-V-NEXT: slli a6, a6, 24
+; CHECK-ALIGNED-RV64-V-NEXT: or a3, a6, a3
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a5, 4(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a6, 5(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: or a3, a3, a4
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a4, 6(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a7, 7(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: slli a6, a6, 8
+; CHECK-ALIGNED-RV64-V-NEXT: or a5, a6, a5
+; CHECK-ALIGNED-RV64-V-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-V-NEXT: slli a7, a7, 24
+; CHECK-ALIGNED-RV64-V-NEXT: or a4, a7, a4
+; CHECK-ALIGNED-RV64-V-NEXT: or a4, a4, a5
+; CHECK-ALIGNED-RV64-V-NEXT: slli a4, a4, 32
+; CHECK-ALIGNED-RV64-V-NEXT: or a3, a4, a3
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a4, 8(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a5, 9(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: xor a2, a2, a3
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a3, 10(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a6, 11(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: slli a5, a5, 8
+; CHECK-ALIGNED-RV64-V-NEXT: or a4, a5, a4
+; CHECK-ALIGNED-RV64-V-NEXT: slli a3, a3, 16
+; CHECK-ALIGNED-RV64-V-NEXT: slli a6, a6, 24
+; CHECK-ALIGNED-RV64-V-NEXT: or a3, a6, a3
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a5, 12(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a6, 13(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: or a3, a3, a4
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a4, 14(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a7, 15(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: slli a6, a6, 8
+; CHECK-ALIGNED-RV64-V-NEXT: or a5, a6, a5
+; CHECK-ALIGNED-RV64-V-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-V-NEXT: slli a7, a7, 24
+; CHECK-ALIGNED-RV64-V-NEXT: or a4, a7, a4
+; CHECK-ALIGNED-RV64-V-NEXT: or a4, a4, a5
+; CHECK-ALIGNED-RV64-V-NEXT: slli a4, a4, 32
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a5, 8(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a6, 9(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: or a3, a4, a3
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a4, 10(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a7, 11(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: slli a6, a6, 8
+; CHECK-ALIGNED-RV64-V-NEXT: or a5, a6, a5
+; CHECK-ALIGNED-RV64-V-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-V-NEXT: slli a7, a7, 24
+; CHECK-ALIGNED-RV64-V-NEXT: or a4, a7, a4
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a6, 12(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a7, 13(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: or a4, a4, a5
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a5, 14(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu t0, 15(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: slli a7, a7, 8
+; CHECK-ALIGNED-RV64-V-NEXT: or a6, a7, a6
+; CHECK-ALIGNED-RV64-V-NEXT: slli a5, a5, 16
+; CHECK-ALIGNED-RV64-V-NEXT: slli t0, t0, 24
+; CHECK-ALIGNED-RV64-V-NEXT: or a5, t0, a5
+; CHECK-ALIGNED-RV64-V-NEXT: or a5, a5, a6
+; CHECK-ALIGNED-RV64-V-NEXT: slli a5, a5, 32
+; CHECK-ALIGNED-RV64-V-NEXT: or a4, a5, a4
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a5, 16(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a6, 17(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: xor a3, a3, a4
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a4, 18(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a7, 19(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: slli a6, a6, 8
+; CHECK-ALIGNED-RV64-V-NEXT: or a5, a6, a5
+; CHECK-ALIGNED-RV64-V-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-V-NEXT: slli a7, a7, 24
+; CHECK-ALIGNED-RV64-V-NEXT: or a4, a7, a4
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a6, 20(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a7, 21(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: or a4, a4, a5
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a5, 22(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu t0, 23(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: slli a7, a7, 8
+; CHECK-ALIGNED-RV64-V-NEXT: or a6, a7, a6
+; CHECK-ALIGNED-RV64-V-NEXT: slli a5, a5, 16
+; CHECK-ALIGNED-RV64-V-NEXT: slli t0, t0, 24
+; CHECK-ALIGNED-RV64-V-NEXT: or a5, t0, a5
+; CHECK-ALIGNED-RV64-V-NEXT: or a5, a5, a6
+; CHECK-ALIGNED-RV64-V-NEXT: slli a5, a5, 32
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a6, 16(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a7, 17(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: or a4, a5, a4
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a5, 18(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu t0, 19(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: slli a7, a7, 8
+; CHECK-ALIGNED-RV64-V-NEXT: or a6, a7, a6
+; CHECK-ALIGNED-RV64-V-NEXT: slli a5, a5, 16
+; CHECK-ALIGNED-RV64-V-NEXT: slli t0, t0, 24
+; CHECK-ALIGNED-RV64-V-NEXT: or a5, t0, a5
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a7, 20(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu t0, 21(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: or a5, a5, a6
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a6, 22(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu t1, 23(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: slli t0, t0, 8
+; CHECK-ALIGNED-RV64-V-NEXT: or a7, t0, a7
+; CHECK-ALIGNED-RV64-V-NEXT: slli a6, a6, 16
+; CHECK-ALIGNED-RV64-V-NEXT: slli t1, t1, 24
+; CHECK-ALIGNED-RV64-V-NEXT: or a6, t1, a6
+; CHECK-ALIGNED-RV64-V-NEXT: or a6, a6, a7
+; CHECK-ALIGNED-RV64-V-NEXT: slli a6, a6, 32
+; CHECK-ALIGNED-RV64-V-NEXT: or a5, a6, a5
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a6, 24(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a7, 25(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: xor a4, a4, a5
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a5, 26(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu t0, 27(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: slli a7, a7, 8
+; CHECK-ALIGNED-RV64-V-NEXT: or a6, a7, a6
+; CHECK-ALIGNED-RV64-V-NEXT: slli a5, a5, 16
+; CHECK-ALIGNED-RV64-V-NEXT: slli t0, t0, 24
+; CHECK-ALIGNED-RV64-V-NEXT: or a5, t0, a5
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a7, 28(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu t0, 29(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: or a5, a5, a6
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a6, 30(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a0, 31(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: slli t0, t0, 8
+; CHECK-ALIGNED-RV64-V-NEXT: or a7, t0, a7
+; CHECK-ALIGNED-RV64-V-NEXT: slli a6, a6, 16
+; CHECK-ALIGNED-RV64-V-NEXT: slli a0, a0, 24
+; CHECK-ALIGNED-RV64-V-NEXT: or a0, a0, a6
+; CHECK-ALIGNED-RV64-V-NEXT: or a0, a0, a7
+; CHECK-ALIGNED-RV64-V-NEXT: slli a0, a0, 32
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a6, 24(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a7, 25(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: or a0, a0, a5
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a5, 26(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu t0, 27(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: slli a7, a7, 8
+; CHECK-ALIGNED-RV64-V-NEXT: or a6, a7, a6
+; CHECK-ALIGNED-RV64-V-NEXT: slli a5, a5, 16
+; CHECK-ALIGNED-RV64-V-NEXT: slli t0, t0, 24
+; CHECK-ALIGNED-RV64-V-NEXT: or a5, t0, a5
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a7, 28(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu t0, 29(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: or a5, a5, a6
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a6, 30(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a1, 31(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: slli t0, t0, 8
+; CHECK-ALIGNED-RV64-V-NEXT: or a7, t0, a7
+; CHECK-ALIGNED-RV64-V-NEXT: slli a6, a6, 16
+; CHECK-ALIGNED-RV64-V-NEXT: slli a1, a1, 24
+; CHECK-ALIGNED-RV64-V-NEXT: or a1, a1, a6
+; CHECK-ALIGNED-RV64-V-NEXT: or a1, a1, a7
+; CHECK-ALIGNED-RV64-V-NEXT: slli a1, a1, 32
+; CHECK-ALIGNED-RV64-V-NEXT: or a1, a1, a5
+; CHECK-ALIGNED-RV64-V-NEXT: xor a0, a0, a1
+; CHECK-ALIGNED-RV64-V-NEXT: or a2, a2, a3
+; CHECK-ALIGNED-RV64-V-NEXT: or a0, a4, a0
+; CHECK-ALIGNED-RV64-V-NEXT: or a0, a2, a0
+; CHECK-ALIGNED-RV64-V-NEXT: snez a0, a0
+; CHECK-ALIGNED-RV64-V-NEXT: ret
+;
+; CHECK-UNALIGNED-RV64-LABEL: bcmp_size_32:
+; CHECK-UNALIGNED-RV64: # %bb.0: # %entry
+; CHECK-UNALIGNED-RV64-NEXT: ld a2, 0(a0)
+; CHECK-UNALIGNED-RV64-NEXT: ld a3, 8(a0)
+; CHECK-UNALIGNED-RV64-NEXT: ld a4, 16(a0)
+; CHECK-UNALIGNED-RV64-NEXT: ld a0, 24(a0)
+; CHECK-UNALIGNED-RV64-NEXT: ld a5, 0(a1)
+; CHECK-UNALIGNED-RV64-NEXT: ld a6, 8(a1)
+; CHECK-UNALIGNED-RV64-NEXT: ld a7, 16(a1)
+; CHECK-UNALIGNED-RV64-NEXT: ld a1, 24(a1)
+; CHECK-UNALIGNED-RV64-NEXT: xor a2, a2, a5
+; CHECK-UNALIGNED-RV64-NEXT: xor a3, a3, a6
+; CHECK-UNALIGNED-RV64-NEXT: xor a4, a4, a7
+; CHECK-UNALIGNED-RV64-NEXT: xor a0, a0, a1
+; CHECK-UNALIGNED-RV64-NEXT: or a2, a2, a3
+; CHECK-UNALIGNED-RV64-NEXT: or a0, a4, a0
+; CHECK-UNALIGNED-RV64-NEXT: or a0, a2, a0
+; CHECK-UNALIGNED-RV64-NEXT: snez a0, a0
+; CHECK-UNALIGNED-RV64-NEXT: ret
+;
+; CHECK-UNALIGNED-RV64-ZBB-LABEL: bcmp_size_32:
+; CHECK-UNALIGNED-RV64-ZBB: # %bb.0: # %entry
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: ld a2, 0(a0)
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: ld a3, 8(a0)
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: ld a4, 16(a0)
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: ld a0, 24(a0)
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: ld a5, 0(a1)
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: ld a6, 8(a1)
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: ld a7, 16(a1)
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: ld a1, 24(a1)
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: xor a2, a2, a5
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: xor a3, a3, a6
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: xor a4, a4, a7
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: xor a0, a0, a1
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: or a2, a2, a3
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: or a0, a4, a0
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: or a0, a2, a0
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: snez a0, a0
+; CHECK-UNALIGNED-RV64-ZBB-NEXT: ret
+;
+; CHECK-UNALIGNED-RV64-ZBKB-LABEL: bcmp_size_32:
+; CHECK-UNALIGNED-RV64-ZBKB: # %bb.0: # %entry
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: ld a2, 0(a0)
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: ld a3, 8(a0)
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: ld a4, 16(a0)
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: ld a0, 24(a0)
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: ld a5, 0(a1)
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: ld a6, 8(a1)
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: ld a7, 16(a1)
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: ld a1, 24(a1)
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: xor a2, a2, a5
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: xor a3, a3, a6
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: xor a4, a4, a7
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: xor a0, a0, a1
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: or a2, a2, a3
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: or a0, a4, a0
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: or a0, a2, a0
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: snez a0, a0
+; CHECK-UNALIGNED-RV64-ZBKB-NEXT: ret
+;
+; CHECK-UNALIGNED-RV64-V-LABEL: bcmp_size_32:
+; CHECK-UNALIGNED-RV64-V: # %bb.0: # %entry
+; CHECK-UNALIGNED-RV64-V-NEXT: ld a2, 0(a0)
+; CHECK-UNALIGNED-RV64-V-NEXT: ld a3, 8(a0)
+; CHECK-UNALIGNED-RV64-V-NEXT: ld a4, 16(a0)
+; CHECK-UNALIGNED-RV64-V-NEXT: ld a0, 24(a0)
+; CHECK-UNALIGNED-RV64-V-NEXT: ld a5, 0(a1)
+; CHECK-UNALIGNED-RV64-V-NEXT: ld a6, 8(a1)
+; CHECK-UNALIGNED-RV64-V-NEXT: ld a7, 16(a1)
+; CHECK-UNALIGNED-RV64-V-NEXT: ld a1, 24(a1)
+; CHECK-UNALIGNED-RV64-V-NEXT: xor a2, a2, a5
+; CHECK-UNALIGNED-RV64-V-NEXT: xor a3, a3, a6
+; CHECK-UNALIGNED-RV64-V-NEXT: xor a4, a4, a7
+; CHECK-UNALIGNED-RV64-V-NEXT: xor a0, a0, a1
+; CHECK-UNALIGNED-RV64-V-NEXT: or a2, a2, a3
+; CHECK-UNALIGNED-RV64-V-NEXT: or a0, a4, a0
+; CHECK-UNALIGNED-RV64-V-NEXT: or a0, a2, a0
+; CHECK-UNALIGNED-RV64-V-NEXT: snez a0, a0
+; CHECK-UNALIGNED-RV64-V-NEXT: ret
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iXLen 32)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_63(ptr %s1, ptr %s2) nounwind optsize {
+; CHECK-RV32-LABEL: bcmp_size_63:
+; CHECK-RV32: # %bb.0: # %entry
+; CHECK-RV32-NEXT: addi sp, sp, -16
+; CHECK-RV32-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
+; CHECK-RV32-NEXT: li a2, 63
+; CHECK-RV32-NEXT: call bcmp
+; CHECK-RV32-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
+; CHECK-RV32-NEXT: addi sp, sp, 16
+; CHECK-RV32-NEXT: ret
+;
+; CHECK-RV64-LABEL: bcmp_size_63:
+; CHECK-RV64: # %bb.0: # %entry
+; CHECK-RV64-NEXT: addi sp, sp, -16
+; CHECK-RV64-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
+; CHECK-RV64-NEXT: li a2, 63
+; CHECK-RV64-NEXT: call bcmp
+; CHECK-RV64-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
+; CHECK-RV64-NEXT: addi sp, sp, 16
+; CHECK-RV64-NEXT: ret
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iXLen 63)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_64(ptr %s1, ptr %s2) nounwind optsize {
+; CHECK-RV32-LABEL: bcmp_size_64:
+; CHECK-RV32: # %bb.0: # %entry
+; CHECK-RV32-NEXT: addi sp, sp, -16
+; CHECK-RV32-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
+; CHECK-RV32-NEXT: li a2, 64
+; CHECK-RV32-NEXT: call bcmp
+; CHECK-RV32-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
+; CHECK-RV32-NEXT: addi sp, sp, 16
+; CHECK-RV32-NEXT: ret
+;
+; CHECK-RV64-LABEL: bcmp_size_64:
+; CHECK-RV64: # %bb.0: # %entry
+; CHECK-RV64-NEXT: addi sp, sp, -16
+; CHECK-RV64-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
+; CHECK-RV64-NEXT: li a2, 64
+; CHECK-RV64-NEXT: call bcmp
+; CHECK-RV64-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
+; CHECK-RV64-NEXT: addi sp, sp, 16
+; CHECK-RV64-NEXT: ret
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iXLen 64)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_127(ptr %s1, ptr %s2) nounwind optsize {
+; CHECK-RV32-LABEL: bcmp_size_127:
+; CHECK-RV32: # %bb.0: # %entry
+; CHECK-RV32-NEXT: addi sp, sp, -16
+; CHECK-RV32-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
+; CHECK-RV32-NEXT: li a2, 127
+; CHECK-RV32-NEXT: call bcmp
+; CHECK-RV32-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
+; CHECK-RV32-NEXT: addi sp, sp, 16
+; CHECK-RV32-NEXT: ret
+;
+; CHECK-RV64-LABEL: bcmp_size_127:
+; CHECK-RV64: # %bb.0: # %entry
+; CHECK-RV64-NEXT: addi sp, sp, -16
+; CHECK-RV64-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
+; CHECK-RV64-NEXT: li a2, 127
+; CHECK-RV64-NEXT: call bcmp
+; CHECK-RV64-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
+; CHECK-RV64-NEXT: addi sp, sp, 16
+; CHECK-RV64-NEXT: ret
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iXLen 127)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_128(ptr %s1, ptr %s2) nounwind optsize {
+; CHECK-RV32-LABEL: bcmp_size_128:
+; CHECK-RV32: # %bb.0: # %entry
+; CHECK-RV32-NEXT: addi sp, sp, -16
+; CHECK-RV32-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
+; CHECK-RV32-NEXT: li a2, 128
+; CHECK-RV32-NEXT: call bcmp
+; CHECK-RV32-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
+; CHECK-RV32-NEXT: addi sp, sp, 16
+; CHECK-RV32-NEXT: ret
+;
+; CHECK-RV64-LABEL: bcmp_size_128:
+; CHECK-RV64: # %bb.0: # %entry
+; CHECK-RV64-NEXT: addi sp, sp, -16
+; CHECK-RV64-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
+; CHECK-RV64-NEXT: li a2, 128
+; CHECK-RV64-NEXT: call bcmp
+; CHECK-RV64-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
+; CHECK-RV64-NEXT: addi sp, sp, 16
+; CHECK-RV64-NEXT: ret
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iXLen 128)
+ ret i32 %bcmp
+}
+
+define i32 @bcmp_size_runtime(ptr %s1, ptr %s2, iXLen %len) nounwind optsize {
+; CHECK-RV32-LABEL: bcmp_size_runtime:
+; CHECK-RV32: # %bb.0: # %entry
+; CHECK-RV32-NEXT: addi sp, sp, -16
+; CHECK-RV32-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; CHECK-RV32-NEXT: call bcmp
; CHECK-RV32-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; CHECK-RV32-NEXT: addi sp, sp, 16
; CHECK-RV32-NEXT: ret
;
-; CHECK-RV64-LABEL: bcmp_size_31:
-; CHECK-RV64: # %bb.0: # %entry
-; CHECK-RV64-NEXT: addi sp, sp, -16
-; CHECK-RV64-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
-; CHECK-RV64-NEXT: li a2, 31
-; CHECK-RV64-NEXT: call bcmp
-; CHECK-RV64-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
-; CHECK-RV64-NEXT: addi sp, sp, 16
-; CHECK-RV64-NEXT: ret
+; CHECK-RV64-LABEL: bcmp_size_runtime:
+; CHECK-RV64: # %bb.0: # %entry
+; CHECK-RV64-NEXT: addi sp, sp, -16
+; CHECK-RV64-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
+; CHECK-RV64-NEXT: call bcmp
+; CHECK-RV64-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
+; CHECK-RV64-NEXT: addi sp, sp, 16
+; CHECK-RV64-NEXT: ret
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iXLen %len)
+ ret i32 %bcmp
+}
+
+define i1 @bcmp_eq_zero(ptr %s1, ptr %s2) nounwind optsize {
+; CHECK-ALIGNED-RV32-LABEL: bcmp_eq_zero:
+; CHECK-ALIGNED-RV32: # %bb.0: # %entry
+; CHECK-ALIGNED-RV32-NEXT: lbu a2, 1(a0)
+; CHECK-ALIGNED-RV32-NEXT: lbu a3, 0(a0)
+; CHECK-ALIGNED-RV32-NEXT: lbu a4, 2(a0)
+; CHECK-ALIGNED-RV32-NEXT: lbu a0, 3(a0)
+; CHECK-ALIGNED-RV32-NEXT: slli a2, a2, 8
+; CHECK-ALIGNED-RV32-NEXT: or a2, a2, a3
+; CHECK-ALIGNED-RV32-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV32-NEXT: slli a0, a0, 24
+; CHECK-ALIGNED-RV32-NEXT: or a0, a0, a4
+; CHECK-ALIGNED-RV32-NEXT: lbu a3, 0(a1)
+; CHECK-ALIGNED-RV32-NEXT: lbu a4, 1(a1)
+; CHECK-ALIGNED-RV32-NEXT: or a0, a0, a2
+; CHECK-ALIGNED-RV32-NEXT: lbu a2, 2(a1)
+; CHECK-ALIGNED-RV32-NEXT: lbu a1, 3(a1)
+; CHECK-ALIGNED-RV32-NEXT: slli a4, a4, 8
+; CHECK-ALIGNED-RV32-NEXT: or a3, a4, a3
+; CHECK-ALIGNED-RV32-NEXT: slli a2, a2, 16
+; CHECK-ALIGNED-RV32-NEXT: slli a1, a1, 24
+; CHECK-ALIGNED-RV32-NEXT: or a1, a1, a2
+; CHECK-ALIGNED-RV32-NEXT: or a1, a1, a3
+; CHECK-ALIGNED-RV32-NEXT: xor a0, a0, a1
+; CHECK-ALIGNED-RV32-NEXT: seqz a0, a0
+; CHECK-ALIGNED-RV32-NEXT: ret
+;
+; CHECK-ALIGNED-RV64-LABEL: bcmp_eq_zero:
+; CHECK-ALIGNED-RV64: # %bb.0: # %entry
+; CHECK-ALIGNED-RV64-NEXT: lbu a2, 1(a0)
+; CHECK-ALIGNED-RV64-NEXT: lbu a3, 0(a0)
+; CHECK-ALIGNED-RV64-NEXT: lbu a4, 2(a0)
+; CHECK-ALIGNED-RV64-NEXT: lb a0, 3(a0)
+; CHECK-ALIGNED-RV64-NEXT: slli a2, a2, 8
+; CHECK-ALIGNED-RV64-NEXT: or a2, a2, a3
+; CHECK-ALIGNED-RV64-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-NEXT: slli a0, a0, 24
+; CHECK-ALIGNED-RV64-NEXT: or a0, a0, a4
+; CHECK-ALIGNED-RV64-NEXT: lbu a3, 0(a1)
+; CHECK-ALIGNED-RV64-NEXT: lbu a4, 1(a1)
+; CHECK-ALIGNED-RV64-NEXT: or a0, a0, a2
+; CHECK-ALIGNED-RV64-NEXT: lbu a2, 2(a1)
+; CHECK-ALIGNED-RV64-NEXT: lb a1, 3(a1)
+; CHECK-ALIGNED-RV64-NEXT: slli a4, a4, 8
+; CHECK-ALIGNED-RV64-NEXT: or a3, a4, a3
+; CHECK-ALIGNED-RV64-NEXT: slli a2, a2, 16
+; CHECK-ALIGNED-RV64-NEXT: slli a1, a1, 24
+; CHECK-ALIGNED-RV64-NEXT: or a1, a1, a2
+; CHECK-ALIGNED-RV64-NEXT: or a1, a1, a3
+; CHECK-ALIGNED-RV64-NEXT: xor a0, a0, a1
+; CHECK-ALIGNED-RV64-NEXT: seqz a0, a0
+; CHECK-ALIGNED-RV64-NEXT: ret
+;
+; CHECK-ALIGNED-RV32-ZBB-LABEL: bcmp_eq_zero:
+; CHECK-ALIGNED-RV32-ZBB: # %bb.0: # %entry
+; CHECK-ALIGNED-RV32-ZBB-NEXT: lbu a2, 1(a0)
+; CHECK-ALIGNED-RV32-ZBB-NEXT: lbu a3, 0(a0)
+; CHECK-ALIGNED-RV32-ZBB-NEXT: lbu a4, 2(a0)
+; CHECK-ALIGNED-RV32-ZBB-NEXT: lbu a0, 3(a0)
+; CHECK-ALIGNED-RV32-ZBB-NEXT: slli a2, a2, 8
+; CHECK-ALIGNED-RV32-ZBB-NEXT: or a2, a2, a3
+; CHECK-ALIGNED-RV32-ZBB-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV32-ZBB-NEXT: slli a0, a0, 24
+; CHECK-ALIGNED-RV32-ZBB-NEXT: or a0, a0, a4
+; CHECK-ALIGNED-RV32-ZBB-NEXT: lbu a3, 0(a1)
+; CHECK-ALIGNED-RV32-ZBB-NEXT: lbu a4, 1(a1)
+; CHECK-ALIGNED-RV32-ZBB-NEXT: or a0, a0, a2
+; CHECK-ALIGNED-RV32-ZBB-NEXT: lbu a2, 2(a1)
+; CHECK-ALIGNED-RV32-ZBB-NEXT: lbu a1, 3(a1)
+; CHECK-ALIGNED-RV32-ZBB-NEXT: slli a4, a4, 8
+; CHECK-ALIGNED-RV32-ZBB-NEXT: or a3, a4, a3
+; CHECK-ALIGNED-RV32-ZBB-NEXT: slli a2, a2, 16
+; CHECK-ALIGNED-RV32-ZBB-NEXT: slli a1, a1, 24
+; CHECK-ALIGNED-RV32-ZBB-NEXT: or a1, a1, a2
+; CHECK-ALIGNED-RV32-ZBB-NEXT: or a1, a1, a3
+; CHECK-ALIGNED-RV32-ZBB-NEXT: xor a0, a0, a1
+; CHECK-ALIGNED-RV32-ZBB-NEXT: seqz a0, a0
+; CHECK-ALIGNED-RV32-ZBB-NEXT: ret
+;
+; CHECK-ALIGNED-RV64-ZBB-LABEL: bcmp_eq_zero:
+; CHECK-ALIGNED-RV64-ZBB: # %bb.0: # %entry
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a2, 1(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a3, 0(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a4, 2(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lb a0, 3(a0)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a2, a2, 8
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a2, a2, a3
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a0, a0, 24
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a0, a0, a4
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a3, 0(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a4, 1(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a0, a0, a2
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lbu a2, 2(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: lb a1, 3(a1)
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a4, a4, 8
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a3, a4, a3
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a2, a2, 16
+; CHECK-ALIGNED-RV64-ZBB-NEXT: slli a1, a1, 24
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a1, a1, a2
+; CHECK-ALIGNED-RV64-ZBB-NEXT: or a1, a1, a3
+; CHECK-ALIGNED-RV64-ZBB-NEXT: xor a0, a0, a1
+; CHECK-ALIGNED-RV64-ZBB-NEXT: seqz a0, a0
+; CHECK-ALIGNED-RV64-ZBB-NEXT: ret
+;
+; CHECK-ALIGNED-RV32-ZBKB-LABEL: bcmp_eq_zero:
+; CHECK-ALIGNED-RV32-ZBKB: # %bb.0: # %entry
+; CHECK-ALIGNED-RV32-ZBKB-NEXT: lbu a2, 0(a0)
+; CHECK-ALIGNED-RV32-ZBKB-NEXT: lbu a3, 1(a0)
+; CHECK-ALIGNED-RV32-ZBKB-NEXT: lbu a4, 2(a0)
+; CHECK-ALIGNED-RV32-ZBKB-NEXT: lbu a0, 3(a0)
+; CHECK-ALIGNED-RV32-ZBKB-NEXT: lbu a5, 0(a1)
+; CHECK-ALIGNED-RV32-ZBKB-NEXT: lbu a6, 1(a1)
+; CHECK-ALIGNED-RV32-ZBKB-NEXT: lbu a7, 2(a1)
+; CHECK-ALIGNED-RV32-ZBKB-NEXT: lbu a1, 3(a1)
+; CHECK-ALIGNED-RV32-ZBKB-NEXT: packh a0, a4, a0
+; CHECK-ALIGNED-RV32-ZBKB-NEXT: packh a2, a2, a3
+; CHECK-ALIGNED-RV32-ZBKB-NEXT: pack a0, a2, a0
+; CHECK-ALIGNED-RV32-ZBKB-NEXT: packh a1, a7, a1
+; CHECK-ALIGNED-RV32-ZBKB-NEXT: packh a2, a5, a6
+; CHECK-ALIGNED-RV32-ZBKB-NEXT: pack a1, a2, a1
+; CHECK-ALIGNED-RV32-ZBKB-NEXT: xor a0, a0, a1
+; CHECK-ALIGNED-RV32-ZBKB-NEXT: seqz a0, a0
+; CHECK-ALIGNED-RV32-ZBKB-NEXT: ret
+;
+; CHECK-ALIGNED-RV64-ZBKB-LABEL: bcmp_eq_zero:
+; CHECK-ALIGNED-RV64-ZBKB: # %bb.0: # %entry
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a2, 0(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a3, 1(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a4, 2(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lb a0, 3(a0)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a2, a2, a3
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: slli a0, a0, 24
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a0, a0, a4
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a3, 0(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a4, 1(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lbu a5, 2(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: lb a1, 3(a1)
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a0, a0, a2
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: packh a2, a3, a4
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: slli a5, a5, 16
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: slli a1, a1, 24
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a1, a1, a5
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: or a1, a1, a2
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: xor a0, a0, a1
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: seqz a0, a0
+; CHECK-ALIGNED-RV64-ZBKB-NEXT: ret
+;
+; CHECK-ALIGNED-RV32-V-LABEL: bcmp_eq_zero:
+; CHECK-ALIGNED-RV32-V: # %bb.0: # %entry
+; CHECK-ALIGNED-RV32-V-NEXT: lbu a2, 1(a0)
+; CHECK-ALIGNED-RV32-V-NEXT: lbu a3, 0(a0)
+; CHECK-ALIGNED-RV32-V-NEXT: lbu a4, 2(a0)
+; CHECK-ALIGNED-RV32-V-NEXT: lbu a0, 3(a0)
+; CHECK-ALIGNED-RV32-V-NEXT: slli a2, a2, 8
+; CHECK-ALIGNED-RV32-V-NEXT: or a2, a2, a3
+; CHECK-ALIGNED-RV32-V-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV32-V-NEXT: slli a0, a0, 24
+; CHECK-ALIGNED-RV32-V-NEXT: or a0, a0, a4
+; CHECK-ALIGNED-RV32-V-NEXT: lbu a3, 0(a1)
+; CHECK-ALIGNED-RV32-V-NEXT: lbu a4, 1(a1)
+; CHECK-ALIGNED-RV32-V-NEXT: or a0, a0, a2
+; CHECK-ALIGNED-RV32-V-NEXT: lbu a2, 2(a1)
+; CHECK-ALIGNED-RV32-V-NEXT: lbu a1, 3(a1)
+; CHECK-ALIGNED-RV32-V-NEXT: slli a4, a4, 8
+; CHECK-ALIGNED-RV32-V-NEXT: or a3, a4, a3
+; CHECK-ALIGNED-RV32-V-NEXT: slli a2, a2, 16
+; CHECK-ALIGNED-RV32-V-NEXT: slli a1, a1, 24
+; CHECK-ALIGNED-RV32-V-NEXT: or a1, a1, a2
+; CHECK-ALIGNED-RV32-V-NEXT: or a1, a1, a3
+; CHECK-ALIGNED-RV32-V-NEXT: xor a0, a0, a1
+; CHECK-ALIGNED-RV32-V-NEXT: seqz a0, a0
+; CHECK-ALIGNED-RV32-V-NEXT: ret
+;
+; CHECK-ALIGNED-RV64-V-LABEL: bcmp_eq_zero:
+; CHECK-ALIGNED-RV64-V: # %bb.0: # %entry
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a2, 1(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a3, 0(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a4, 2(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: lb a0, 3(a0)
+; CHECK-ALIGNED-RV64-V-NEXT: slli a2, a2, 8
+; CHECK-ALIGNED-RV64-V-NEXT: or a2, a2, a3
+; CHECK-ALIGNED-RV64-V-NEXT: slli a4, a4, 16
+; CHECK-ALIGNED-RV64-V-NEXT: slli a0, a0, 24
+; CHECK-ALIGNED-RV64-V-NEXT: or a0, a0, a4
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a3, 0(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a4, 1(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: or a0, a0, a2
+; CHECK-ALIGNED-RV64-V-NEXT: lbu a2, 2(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: lb a1, 3(a1)
+; CHECK-ALIGNED-RV64-V-NEXT: slli a4, a4, 8
+; CHECK-ALIGNED-RV64-V-NEXT: or a3, a4, a3
+; CHECK-ALIGNED-RV64-V-NEXT: slli a2, a2, 16
+; CHECK-ALIGNED-RV64-V-NEXT: slli a1, a1, 24
+; CHECK-ALIGNED-RV64-V-NEXT: or a1, a1, a2
+; CHECK-ALIGNED-RV64-V-NEXT: or a1, a1, a3
+; CHECK-ALIGNED-RV64-V-NEXT: xor a0, a0, a1
+; CHECK-ALIGNED-RV64-V-NEXT: seqz a0, a0
+; CHECK-ALIGNED-RV64-V-NEXT: ret
+;
+; CHECK-UNALIGNED-LABEL: bcmp_eq_zero:
+; CHECK-UNALIGNED: # %bb.0: # %entry
+; CHECK-UNALIGNED-NEXT: lw a0, 0(a0)
+; CHECK-UNALIGNED-NEXT: lw a1, 0(a1)
+; CHECK-UNALIGNED-NEXT: xor a0, a0, a1
+; CHECK-UNALIGNED-NEXT: seqz a0, a0
+; CHECK-UNALIGNED-NEXT: ret
+entry:
+ %bcmp = call signext i32 @bcmp(ptr %s1, ptr %s2, iXLen 4)
+ %ret = icmp eq i32 %bcmp, 0
+ ret i1 %ret
+}
+
+define i1 @bcmp_lt_zero(ptr %s1, ptr %s2) nounwind optsize {
+; CHECK-LABEL: bcmp_lt_zero:
+; CHECK: # %bb.0: # %entry
+; CHECK-NEXT: li a0, 0
----------------
topperc wrote:
I guess llvm is assuming that the bcmp should only be checked for eq/ne 0 and not gt/lt 0?
https://github.com/llvm/llvm-project/pull/107548
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