| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck %s -check-prefix=RV32I |
| ; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \ |
| ; RUN: | FileCheck %s -check-prefix=RV64I |
| |
| ; Basic shift support is tested as part of ALU.ll. This file ensures that |
| ; shifts which may not be supported natively are lowered properly. |
| |
| declare i64 @llvm.fshr.i64(i64, i64, i64) |
| declare i128 @llvm.fshr.i128(i128, i128, i128) |
| |
| define i64 @lshr64(i64 %a, i64 %b) nounwind { |
| ; RV32I-LABEL: lshr64: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi a3, a2, -32 |
| ; RV32I-NEXT: bltz a3, .LBB0_2 |
| ; RV32I-NEXT: # %bb.1: |
| ; RV32I-NEXT: srl a0, a1, a3 |
| ; RV32I-NEXT: li a1, 0 |
| ; RV32I-NEXT: ret |
| ; RV32I-NEXT: .LBB0_2: |
| ; RV32I-NEXT: srl a0, a0, a2 |
| ; RV32I-NEXT: li a3, 31 |
| ; RV32I-NEXT: sub a3, a3, a2 |
| ; RV32I-NEXT: slli a4, a1, 1 |
| ; RV32I-NEXT: sll a3, a4, a3 |
| ; RV32I-NEXT: or a0, a0, a3 |
| ; RV32I-NEXT: srl a1, a1, a2 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: lshr64: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: srl a0, a0, a1 |
| ; RV64I-NEXT: ret |
| %1 = lshr i64 %a, %b |
| ret i64 %1 |
| } |
| |
| define i64 @lshr64_minsize(i64 %a, i64 %b) minsize nounwind { |
| ; RV32I-LABEL: lshr64_minsize: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -16 |
| ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: call __lshrdi3@plt |
| ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 16 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: lshr64_minsize: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: srl a0, a0, a1 |
| ; RV64I-NEXT: ret |
| %1 = lshr i64 %a, %b |
| ret i64 %1 |
| } |
| |
| define i64 @ashr64(i64 %a, i64 %b) nounwind { |
| ; RV32I-LABEL: ashr64: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi a3, a2, -32 |
| ; RV32I-NEXT: bltz a3, .LBB2_2 |
| ; RV32I-NEXT: # %bb.1: |
| ; RV32I-NEXT: sra a0, a1, a3 |
| ; RV32I-NEXT: srai a1, a1, 31 |
| ; RV32I-NEXT: ret |
| ; RV32I-NEXT: .LBB2_2: |
| ; RV32I-NEXT: srl a0, a0, a2 |
| ; RV32I-NEXT: li a3, 31 |
| ; RV32I-NEXT: sub a3, a3, a2 |
| ; RV32I-NEXT: slli a4, a1, 1 |
| ; RV32I-NEXT: sll a3, a4, a3 |
| ; RV32I-NEXT: or a0, a0, a3 |
| ; RV32I-NEXT: sra a1, a1, a2 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: ashr64: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: sra a0, a0, a1 |
| ; RV64I-NEXT: ret |
| %1 = ashr i64 %a, %b |
| ret i64 %1 |
| } |
| |
| define i64 @ashr64_minsize(i64 %a, i64 %b) minsize nounwind { |
| ; RV32I-LABEL: ashr64_minsize: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -16 |
| ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: call __ashrdi3@plt |
| ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 16 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: ashr64_minsize: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: sra a0, a0, a1 |
| ; RV64I-NEXT: ret |
| %1 = ashr i64 %a, %b |
| ret i64 %1 |
| } |
| |
| define i64 @shl64(i64 %a, i64 %b) nounwind { |
| ; RV32I-LABEL: shl64: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi a3, a2, -32 |
| ; RV32I-NEXT: bltz a3, .LBB4_2 |
| ; RV32I-NEXT: # %bb.1: |
| ; RV32I-NEXT: sll a1, a0, a3 |
| ; RV32I-NEXT: li a0, 0 |
| ; RV32I-NEXT: ret |
| ; RV32I-NEXT: .LBB4_2: |
| ; RV32I-NEXT: sll a1, a1, a2 |
| ; RV32I-NEXT: li a3, 31 |
| ; RV32I-NEXT: sub a3, a3, a2 |
| ; RV32I-NEXT: srli a4, a0, 1 |
| ; RV32I-NEXT: srl a3, a4, a3 |
| ; RV32I-NEXT: or a1, a1, a3 |
| ; RV32I-NEXT: sll a0, a0, a2 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: shl64: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: sll a0, a0, a1 |
| ; RV64I-NEXT: ret |
| %1 = shl i64 %a, %b |
| ret i64 %1 |
| } |
| |
| define i64 @shl64_minsize(i64 %a, i64 %b) minsize nounwind { |
| ; RV32I-LABEL: shl64_minsize: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -16 |
| ; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: call __ashldi3@plt |
| ; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 16 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: shl64_minsize: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: sll a0, a0, a1 |
| ; RV64I-NEXT: ret |
| %1 = shl i64 %a, %b |
| ret i64 %1 |
| } |
| |
| define i128 @lshr128(i128 %a, i128 %b) nounwind { |
| ; RV32I-LABEL: lshr128: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -16 |
| ; RV32I-NEXT: sw s0, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: lw a2, 0(a2) |
| ; RV32I-NEXT: lw t0, 8(a1) |
| ; RV32I-NEXT: lw t4, 12(a1) |
| ; RV32I-NEXT: li a6, 64 |
| ; RV32I-NEXT: sub t1, a6, a2 |
| ; RV32I-NEXT: li a3, 32 |
| ; RV32I-NEXT: sub t5, a3, a2 |
| ; RV32I-NEXT: li t2, 31 |
| ; RV32I-NEXT: bltz t5, .LBB6_2 |
| ; RV32I-NEXT: # %bb.1: |
| ; RV32I-NEXT: sll a3, t0, t5 |
| ; RV32I-NEXT: j .LBB6_3 |
| ; RV32I-NEXT: .LBB6_2: |
| ; RV32I-NEXT: sll a3, t4, t1 |
| ; RV32I-NEXT: sub a4, t2, t1 |
| ; RV32I-NEXT: srli a5, t0, 1 |
| ; RV32I-NEXT: srl a4, a5, a4 |
| ; RV32I-NEXT: or a3, a3, a4 |
| ; RV32I-NEXT: .LBB6_3: |
| ; RV32I-NEXT: lw a5, 4(a1) |
| ; RV32I-NEXT: addi t6, a2, -32 |
| ; RV32I-NEXT: bgez t6, .LBB6_5 |
| ; RV32I-NEXT: # %bb.4: |
| ; RV32I-NEXT: srl a4, a5, a2 |
| ; RV32I-NEXT: or a3, a3, a4 |
| ; RV32I-NEXT: .LBB6_5: |
| ; RV32I-NEXT: addi a4, a2, -96 |
| ; RV32I-NEXT: addi t3, a2, -64 |
| ; RV32I-NEXT: bltz a4, .LBB6_7 |
| ; RV32I-NEXT: # %bb.6: |
| ; RV32I-NEXT: li a7, 0 |
| ; RV32I-NEXT: bgeu a2, a6, .LBB6_8 |
| ; RV32I-NEXT: j .LBB6_9 |
| ; RV32I-NEXT: .LBB6_7: |
| ; RV32I-NEXT: srl a7, t4, t3 |
| ; RV32I-NEXT: bltu a2, a6, .LBB6_9 |
| ; RV32I-NEXT: .LBB6_8: |
| ; RV32I-NEXT: mv a3, a7 |
| ; RV32I-NEXT: .LBB6_9: |
| ; RV32I-NEXT: mv a7, a5 |
| ; RV32I-NEXT: beqz a2, .LBB6_11 |
| ; RV32I-NEXT: # %bb.10: |
| ; RV32I-NEXT: mv a7, a3 |
| ; RV32I-NEXT: .LBB6_11: |
| ; RV32I-NEXT: lw s0, 0(a1) |
| ; RV32I-NEXT: sub t2, t2, a2 |
| ; RV32I-NEXT: bltz t6, .LBB6_13 |
| ; RV32I-NEXT: # %bb.12: |
| ; RV32I-NEXT: srl a5, a5, t6 |
| ; RV32I-NEXT: bltz t5, .LBB6_14 |
| ; RV32I-NEXT: j .LBB6_15 |
| ; RV32I-NEXT: .LBB6_13: |
| ; RV32I-NEXT: srl a3, s0, a2 |
| ; RV32I-NEXT: slli a5, a5, 1 |
| ; RV32I-NEXT: sll a5, a5, t2 |
| ; RV32I-NEXT: or a5, a3, a5 |
| ; RV32I-NEXT: bgez t5, .LBB6_15 |
| ; RV32I-NEXT: .LBB6_14: |
| ; RV32I-NEXT: sll a3, t0, t1 |
| ; RV32I-NEXT: or a5, a5, a3 |
| ; RV32I-NEXT: .LBB6_15: |
| ; RV32I-NEXT: slli a3, t4, 1 |
| ; RV32I-NEXT: bltz a4, .LBB6_17 |
| ; RV32I-NEXT: # %bb.16: |
| ; RV32I-NEXT: srl a4, t4, a4 |
| ; RV32I-NEXT: bgeu a2, a6, .LBB6_18 |
| ; RV32I-NEXT: j .LBB6_19 |
| ; RV32I-NEXT: .LBB6_17: |
| ; RV32I-NEXT: li a4, 95 |
| ; RV32I-NEXT: sub a4, a4, a2 |
| ; RV32I-NEXT: sll a4, a3, a4 |
| ; RV32I-NEXT: srl a1, t0, t3 |
| ; RV32I-NEXT: or a4, a1, a4 |
| ; RV32I-NEXT: bltu a2, a6, .LBB6_19 |
| ; RV32I-NEXT: .LBB6_18: |
| ; RV32I-NEXT: mv a5, a4 |
| ; RV32I-NEXT: .LBB6_19: |
| ; RV32I-NEXT: bnez a2, .LBB6_22 |
| ; RV32I-NEXT: # %bb.20: |
| ; RV32I-NEXT: bltz t6, .LBB6_23 |
| ; RV32I-NEXT: .LBB6_21: |
| ; RV32I-NEXT: srl a3, t4, t6 |
| ; RV32I-NEXT: bgeu a2, a6, .LBB6_24 |
| ; RV32I-NEXT: j .LBB6_25 |
| ; RV32I-NEXT: .LBB6_22: |
| ; RV32I-NEXT: mv s0, a5 |
| ; RV32I-NEXT: bgez t6, .LBB6_21 |
| ; RV32I-NEXT: .LBB6_23: |
| ; RV32I-NEXT: srl a1, t0, a2 |
| ; RV32I-NEXT: sll a3, a3, t2 |
| ; RV32I-NEXT: or a3, a1, a3 |
| ; RV32I-NEXT: bltu a2, a6, .LBB6_25 |
| ; RV32I-NEXT: .LBB6_24: |
| ; RV32I-NEXT: li a3, 0 |
| ; RV32I-NEXT: .LBB6_25: |
| ; RV32I-NEXT: bltz t6, .LBB6_27 |
| ; RV32I-NEXT: # %bb.26: |
| ; RV32I-NEXT: li a4, 0 |
| ; RV32I-NEXT: bgeu a2, a6, .LBB6_28 |
| ; RV32I-NEXT: j .LBB6_29 |
| ; RV32I-NEXT: .LBB6_27: |
| ; RV32I-NEXT: srl a4, t4, a2 |
| ; RV32I-NEXT: bltu a2, a6, .LBB6_29 |
| ; RV32I-NEXT: .LBB6_28: |
| ; RV32I-NEXT: li a4, 0 |
| ; RV32I-NEXT: .LBB6_29: |
| ; RV32I-NEXT: sw a4, 12(a0) |
| ; RV32I-NEXT: sw a3, 8(a0) |
| ; RV32I-NEXT: sw s0, 0(a0) |
| ; RV32I-NEXT: sw a7, 4(a0) |
| ; RV32I-NEXT: lw s0, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 16 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: lshr128: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: addi a3, a2, -64 |
| ; RV64I-NEXT: bltz a3, .LBB6_2 |
| ; RV64I-NEXT: # %bb.1: |
| ; RV64I-NEXT: srl a0, a1, a3 |
| ; RV64I-NEXT: li a1, 0 |
| ; RV64I-NEXT: ret |
| ; RV64I-NEXT: .LBB6_2: |
| ; RV64I-NEXT: srl a0, a0, a2 |
| ; RV64I-NEXT: li a3, 63 |
| ; RV64I-NEXT: sub a3, a3, a2 |
| ; RV64I-NEXT: slli a4, a1, 1 |
| ; RV64I-NEXT: sll a3, a4, a3 |
| ; RV64I-NEXT: or a0, a0, a3 |
| ; RV64I-NEXT: srl a1, a1, a2 |
| ; RV64I-NEXT: ret |
| %1 = lshr i128 %a, %b |
| ret i128 %1 |
| } |
| |
| define i128 @ashr128(i128 %a, i128 %b) nounwind { |
| ; RV32I-LABEL: ashr128: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -16 |
| ; RV32I-NEXT: sw s0, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: sw s1, 8(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: lw a2, 0(a2) |
| ; RV32I-NEXT: lw t2, 8(a1) |
| ; RV32I-NEXT: lw t5, 12(a1) |
| ; RV32I-NEXT: li a6, 64 |
| ; RV32I-NEXT: sub t1, a6, a2 |
| ; RV32I-NEXT: li a3, 32 |
| ; RV32I-NEXT: sub t6, a3, a2 |
| ; RV32I-NEXT: li t4, 31 |
| ; RV32I-NEXT: bltz t6, .LBB7_2 |
| ; RV32I-NEXT: # %bb.1: |
| ; RV32I-NEXT: sll s0, t2, t6 |
| ; RV32I-NEXT: j .LBB7_3 |
| ; RV32I-NEXT: .LBB7_2: |
| ; RV32I-NEXT: sll a3, t5, t1 |
| ; RV32I-NEXT: sub a4, t4, t1 |
| ; RV32I-NEXT: srli a5, t2, 1 |
| ; RV32I-NEXT: srl a4, a5, a4 |
| ; RV32I-NEXT: or s0, a3, a4 |
| ; RV32I-NEXT: .LBB7_3: |
| ; RV32I-NEXT: lw a5, 4(a1) |
| ; RV32I-NEXT: addi a3, a2, -32 |
| ; RV32I-NEXT: bgez a3, .LBB7_5 |
| ; RV32I-NEXT: # %bb.4: |
| ; RV32I-NEXT: srl a4, a5, a2 |
| ; RV32I-NEXT: or s0, s0, a4 |
| ; RV32I-NEXT: .LBB7_5: |
| ; RV32I-NEXT: addi t3, a2, -64 |
| ; RV32I-NEXT: addi a4, a2, -96 |
| ; RV32I-NEXT: srai a7, t5, 31 |
| ; RV32I-NEXT: bltz a4, .LBB7_7 |
| ; RV32I-NEXT: # %bb.6: |
| ; RV32I-NEXT: mv t0, a7 |
| ; RV32I-NEXT: bgeu a2, a6, .LBB7_8 |
| ; RV32I-NEXT: j .LBB7_9 |
| ; RV32I-NEXT: .LBB7_7: |
| ; RV32I-NEXT: sra t0, t5, t3 |
| ; RV32I-NEXT: bltu a2, a6, .LBB7_9 |
| ; RV32I-NEXT: .LBB7_8: |
| ; RV32I-NEXT: mv s0, t0 |
| ; RV32I-NEXT: .LBB7_9: |
| ; RV32I-NEXT: mv t0, a5 |
| ; RV32I-NEXT: beqz a2, .LBB7_11 |
| ; RV32I-NEXT: # %bb.10: |
| ; RV32I-NEXT: mv t0, s0 |
| ; RV32I-NEXT: .LBB7_11: |
| ; RV32I-NEXT: lw s1, 0(a1) |
| ; RV32I-NEXT: sub t4, t4, a2 |
| ; RV32I-NEXT: bltz a3, .LBB7_13 |
| ; RV32I-NEXT: # %bb.12: |
| ; RV32I-NEXT: srl a5, a5, a3 |
| ; RV32I-NEXT: bltz t6, .LBB7_14 |
| ; RV32I-NEXT: j .LBB7_15 |
| ; RV32I-NEXT: .LBB7_13: |
| ; RV32I-NEXT: srl s0, s1, a2 |
| ; RV32I-NEXT: slli a5, a5, 1 |
| ; RV32I-NEXT: sll a5, a5, t4 |
| ; RV32I-NEXT: or a5, s0, a5 |
| ; RV32I-NEXT: bgez t6, .LBB7_15 |
| ; RV32I-NEXT: .LBB7_14: |
| ; RV32I-NEXT: sll s0, t2, t1 |
| ; RV32I-NEXT: or a5, a5, s0 |
| ; RV32I-NEXT: .LBB7_15: |
| ; RV32I-NEXT: slli s0, t5, 1 |
| ; RV32I-NEXT: bltz a4, .LBB7_17 |
| ; RV32I-NEXT: # %bb.16: |
| ; RV32I-NEXT: sra a4, t5, a4 |
| ; RV32I-NEXT: bgeu a2, a6, .LBB7_18 |
| ; RV32I-NEXT: j .LBB7_19 |
| ; RV32I-NEXT: .LBB7_17: |
| ; RV32I-NEXT: li a4, 95 |
| ; RV32I-NEXT: sub a4, a4, a2 |
| ; RV32I-NEXT: sll a4, s0, a4 |
| ; RV32I-NEXT: srl a1, t2, t3 |
| ; RV32I-NEXT: or a4, a1, a4 |
| ; RV32I-NEXT: bltu a2, a6, .LBB7_19 |
| ; RV32I-NEXT: .LBB7_18: |
| ; RV32I-NEXT: mv a5, a4 |
| ; RV32I-NEXT: .LBB7_19: |
| ; RV32I-NEXT: bnez a2, .LBB7_22 |
| ; RV32I-NEXT: # %bb.20: |
| ; RV32I-NEXT: bltz a3, .LBB7_23 |
| ; RV32I-NEXT: .LBB7_21: |
| ; RV32I-NEXT: sra a4, t5, a3 |
| ; RV32I-NEXT: bgeu a2, a6, .LBB7_24 |
| ; RV32I-NEXT: j .LBB7_25 |
| ; RV32I-NEXT: .LBB7_22: |
| ; RV32I-NEXT: mv s1, a5 |
| ; RV32I-NEXT: bgez a3, .LBB7_21 |
| ; RV32I-NEXT: .LBB7_23: |
| ; RV32I-NEXT: srl a1, t2, a2 |
| ; RV32I-NEXT: sll a4, s0, t4 |
| ; RV32I-NEXT: or a4, a1, a4 |
| ; RV32I-NEXT: bltu a2, a6, .LBB7_25 |
| ; RV32I-NEXT: .LBB7_24: |
| ; RV32I-NEXT: mv a4, a7 |
| ; RV32I-NEXT: .LBB7_25: |
| ; RV32I-NEXT: bltz a3, .LBB7_27 |
| ; RV32I-NEXT: # %bb.26: |
| ; RV32I-NEXT: mv a3, a7 |
| ; RV32I-NEXT: bgeu a2, a6, .LBB7_28 |
| ; RV32I-NEXT: j .LBB7_29 |
| ; RV32I-NEXT: .LBB7_27: |
| ; RV32I-NEXT: sra a3, t5, a2 |
| ; RV32I-NEXT: bltu a2, a6, .LBB7_29 |
| ; RV32I-NEXT: .LBB7_28: |
| ; RV32I-NEXT: mv a3, a7 |
| ; RV32I-NEXT: .LBB7_29: |
| ; RV32I-NEXT: sw a3, 12(a0) |
| ; RV32I-NEXT: sw a4, 8(a0) |
| ; RV32I-NEXT: sw s1, 0(a0) |
| ; RV32I-NEXT: sw t0, 4(a0) |
| ; RV32I-NEXT: lw s0, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: lw s1, 8(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 16 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: ashr128: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: addi a3, a2, -64 |
| ; RV64I-NEXT: bltz a3, .LBB7_2 |
| ; RV64I-NEXT: # %bb.1: |
| ; RV64I-NEXT: sra a0, a1, a3 |
| ; RV64I-NEXT: srai a1, a1, 63 |
| ; RV64I-NEXT: ret |
| ; RV64I-NEXT: .LBB7_2: |
| ; RV64I-NEXT: srl a0, a0, a2 |
| ; RV64I-NEXT: li a3, 63 |
| ; RV64I-NEXT: sub a3, a3, a2 |
| ; RV64I-NEXT: slli a4, a1, 1 |
| ; RV64I-NEXT: sll a3, a4, a3 |
| ; RV64I-NEXT: or a0, a0, a3 |
| ; RV64I-NEXT: sra a1, a1, a2 |
| ; RV64I-NEXT: ret |
| %1 = ashr i128 %a, %b |
| ret i128 %1 |
| } |
| |
| define i128 @shl128(i128 %a, i128 %b) nounwind { |
| ; RV32I-LABEL: shl128: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: addi sp, sp, -16 |
| ; RV32I-NEXT: sw s0, 12(sp) # 4-byte Folded Spill |
| ; RV32I-NEXT: lw a2, 0(a2) |
| ; RV32I-NEXT: lw t0, 4(a1) |
| ; RV32I-NEXT: lw t4, 0(a1) |
| ; RV32I-NEXT: li a6, 64 |
| ; RV32I-NEXT: sub t1, a6, a2 |
| ; RV32I-NEXT: li a3, 32 |
| ; RV32I-NEXT: sub t5, a3, a2 |
| ; RV32I-NEXT: li t2, 31 |
| ; RV32I-NEXT: bltz t5, .LBB8_2 |
| ; RV32I-NEXT: # %bb.1: |
| ; RV32I-NEXT: srl a3, t0, t5 |
| ; RV32I-NEXT: j .LBB8_3 |
| ; RV32I-NEXT: .LBB8_2: |
| ; RV32I-NEXT: srl a3, t4, t1 |
| ; RV32I-NEXT: sub a4, t2, t1 |
| ; RV32I-NEXT: slli a5, t0, 1 |
| ; RV32I-NEXT: sll a4, a5, a4 |
| ; RV32I-NEXT: or a3, a3, a4 |
| ; RV32I-NEXT: .LBB8_3: |
| ; RV32I-NEXT: lw a5, 8(a1) |
| ; RV32I-NEXT: addi t6, a2, -32 |
| ; RV32I-NEXT: bgez t6, .LBB8_5 |
| ; RV32I-NEXT: # %bb.4: |
| ; RV32I-NEXT: sll a4, a5, a2 |
| ; RV32I-NEXT: or a3, a3, a4 |
| ; RV32I-NEXT: .LBB8_5: |
| ; RV32I-NEXT: addi a4, a2, -96 |
| ; RV32I-NEXT: addi t3, a2, -64 |
| ; RV32I-NEXT: bltz a4, .LBB8_7 |
| ; RV32I-NEXT: # %bb.6: |
| ; RV32I-NEXT: li a7, 0 |
| ; RV32I-NEXT: bgeu a2, a6, .LBB8_8 |
| ; RV32I-NEXT: j .LBB8_9 |
| ; RV32I-NEXT: .LBB8_7: |
| ; RV32I-NEXT: sll a7, t4, t3 |
| ; RV32I-NEXT: bltu a2, a6, .LBB8_9 |
| ; RV32I-NEXT: .LBB8_8: |
| ; RV32I-NEXT: mv a3, a7 |
| ; RV32I-NEXT: .LBB8_9: |
| ; RV32I-NEXT: mv a7, a5 |
| ; RV32I-NEXT: beqz a2, .LBB8_11 |
| ; RV32I-NEXT: # %bb.10: |
| ; RV32I-NEXT: mv a7, a3 |
| ; RV32I-NEXT: .LBB8_11: |
| ; RV32I-NEXT: lw s0, 12(a1) |
| ; RV32I-NEXT: sub t2, t2, a2 |
| ; RV32I-NEXT: bltz t6, .LBB8_13 |
| ; RV32I-NEXT: # %bb.12: |
| ; RV32I-NEXT: sll a5, a5, t6 |
| ; RV32I-NEXT: bltz t5, .LBB8_14 |
| ; RV32I-NEXT: j .LBB8_15 |
| ; RV32I-NEXT: .LBB8_13: |
| ; RV32I-NEXT: sll a3, s0, a2 |
| ; RV32I-NEXT: srli a5, a5, 1 |
| ; RV32I-NEXT: srl a5, a5, t2 |
| ; RV32I-NEXT: or a5, a3, a5 |
| ; RV32I-NEXT: bgez t5, .LBB8_15 |
| ; RV32I-NEXT: .LBB8_14: |
| ; RV32I-NEXT: srl a3, t0, t1 |
| ; RV32I-NEXT: or a5, a5, a3 |
| ; RV32I-NEXT: .LBB8_15: |
| ; RV32I-NEXT: srli a3, t4, 1 |
| ; RV32I-NEXT: bltz a4, .LBB8_17 |
| ; RV32I-NEXT: # %bb.16: |
| ; RV32I-NEXT: sll a4, t4, a4 |
| ; RV32I-NEXT: bgeu a2, a6, .LBB8_18 |
| ; RV32I-NEXT: j .LBB8_19 |
| ; RV32I-NEXT: .LBB8_17: |
| ; RV32I-NEXT: li a4, 95 |
| ; RV32I-NEXT: sub a4, a4, a2 |
| ; RV32I-NEXT: srl a4, a3, a4 |
| ; RV32I-NEXT: sll a1, t0, t3 |
| ; RV32I-NEXT: or a4, a1, a4 |
| ; RV32I-NEXT: bltu a2, a6, .LBB8_19 |
| ; RV32I-NEXT: .LBB8_18: |
| ; RV32I-NEXT: mv a5, a4 |
| ; RV32I-NEXT: .LBB8_19: |
| ; RV32I-NEXT: bnez a2, .LBB8_22 |
| ; RV32I-NEXT: # %bb.20: |
| ; RV32I-NEXT: bltz t6, .LBB8_23 |
| ; RV32I-NEXT: .LBB8_21: |
| ; RV32I-NEXT: sll a3, t4, t6 |
| ; RV32I-NEXT: bgeu a2, a6, .LBB8_24 |
| ; RV32I-NEXT: j .LBB8_25 |
| ; RV32I-NEXT: .LBB8_22: |
| ; RV32I-NEXT: mv s0, a5 |
| ; RV32I-NEXT: bgez t6, .LBB8_21 |
| ; RV32I-NEXT: .LBB8_23: |
| ; RV32I-NEXT: sll a1, t0, a2 |
| ; RV32I-NEXT: srl a3, a3, t2 |
| ; RV32I-NEXT: or a3, a1, a3 |
| ; RV32I-NEXT: bltu a2, a6, .LBB8_25 |
| ; RV32I-NEXT: .LBB8_24: |
| ; RV32I-NEXT: li a3, 0 |
| ; RV32I-NEXT: .LBB8_25: |
| ; RV32I-NEXT: bltz t6, .LBB8_27 |
| ; RV32I-NEXT: # %bb.26: |
| ; RV32I-NEXT: li a4, 0 |
| ; RV32I-NEXT: bgeu a2, a6, .LBB8_28 |
| ; RV32I-NEXT: j .LBB8_29 |
| ; RV32I-NEXT: .LBB8_27: |
| ; RV32I-NEXT: sll a4, t4, a2 |
| ; RV32I-NEXT: bltu a2, a6, .LBB8_29 |
| ; RV32I-NEXT: .LBB8_28: |
| ; RV32I-NEXT: li a4, 0 |
| ; RV32I-NEXT: .LBB8_29: |
| ; RV32I-NEXT: sw a4, 0(a0) |
| ; RV32I-NEXT: sw a3, 4(a0) |
| ; RV32I-NEXT: sw s0, 12(a0) |
| ; RV32I-NEXT: sw a7, 8(a0) |
| ; RV32I-NEXT: lw s0, 12(sp) # 4-byte Folded Reload |
| ; RV32I-NEXT: addi sp, sp, 16 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: shl128: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: addi a3, a2, -64 |
| ; RV64I-NEXT: bltz a3, .LBB8_2 |
| ; RV64I-NEXT: # %bb.1: |
| ; RV64I-NEXT: sll a1, a0, a3 |
| ; RV64I-NEXT: li a0, 0 |
| ; RV64I-NEXT: ret |
| ; RV64I-NEXT: .LBB8_2: |
| ; RV64I-NEXT: sll a1, a1, a2 |
| ; RV64I-NEXT: li a3, 63 |
| ; RV64I-NEXT: sub a3, a3, a2 |
| ; RV64I-NEXT: srli a4, a0, 1 |
| ; RV64I-NEXT: srl a3, a4, a3 |
| ; RV64I-NEXT: or a1, a1, a3 |
| ; RV64I-NEXT: sll a0, a0, a2 |
| ; RV64I-NEXT: ret |
| %1 = shl i128 %a, %b |
| ret i128 %1 |
| } |
| |
| define i64 @fshr64_minsize(i64 %a, i64 %b) minsize nounwind { |
| ; RV32I-LABEL: fshr64_minsize: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: andi a4, a2, 32 |
| ; RV32I-NEXT: mv a3, a0 |
| ; RV32I-NEXT: beqz a4, .LBB9_2 |
| ; RV32I-NEXT: # %bb.1: |
| ; RV32I-NEXT: mv a3, a1 |
| ; RV32I-NEXT: .LBB9_2: |
| ; RV32I-NEXT: srl a5, a3, a2 |
| ; RV32I-NEXT: beqz a4, .LBB9_4 |
| ; RV32I-NEXT: # %bb.3: |
| ; RV32I-NEXT: mv a1, a0 |
| ; RV32I-NEXT: .LBB9_4: |
| ; RV32I-NEXT: slli a0, a1, 1 |
| ; RV32I-NEXT: not a4, a2 |
| ; RV32I-NEXT: sll a0, a0, a4 |
| ; RV32I-NEXT: or a0, a0, a5 |
| ; RV32I-NEXT: srl a1, a1, a2 |
| ; RV32I-NEXT: slli a2, a3, 1 |
| ; RV32I-NEXT: sll a2, a2, a4 |
| ; RV32I-NEXT: or a1, a2, a1 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: fshr64_minsize: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: srl a2, a0, a1 |
| ; RV64I-NEXT: neg a1, a1 |
| ; RV64I-NEXT: sll a0, a0, a1 |
| ; RV64I-NEXT: or a0, a2, a0 |
| ; RV64I-NEXT: ret |
| %res = tail call i64 @llvm.fshr.i64(i64 %a, i64 %a, i64 %b) |
| ret i64 %res |
| } |
| |
| define i128 @fshr128_minsize(i128 %a, i128 %b) minsize nounwind { |
| ; RV32I-LABEL: fshr128_minsize: |
| ; RV32I: # %bb.0: |
| ; RV32I-NEXT: lw t2, 8(a1) |
| ; RV32I-NEXT: lw a3, 0(a1) |
| ; RV32I-NEXT: lw a2, 0(a2) |
| ; RV32I-NEXT: lw a7, 4(a1) |
| ; RV32I-NEXT: lw t1, 12(a1) |
| ; RV32I-NEXT: andi a1, a2, 64 |
| ; RV32I-NEXT: mv a5, a7 |
| ; RV32I-NEXT: mv a6, a3 |
| ; RV32I-NEXT: beqz a1, .LBB10_2 |
| ; RV32I-NEXT: # %bb.1: |
| ; RV32I-NEXT: mv a5, t1 |
| ; RV32I-NEXT: mv a6, t2 |
| ; RV32I-NEXT: .LBB10_2: |
| ; RV32I-NEXT: andi a4, a2, 32 |
| ; RV32I-NEXT: mv t0, a6 |
| ; RV32I-NEXT: bnez a4, .LBB10_13 |
| ; RV32I-NEXT: # %bb.3: |
| ; RV32I-NEXT: bnez a1, .LBB10_14 |
| ; RV32I-NEXT: .LBB10_4: |
| ; RV32I-NEXT: beqz a4, .LBB10_6 |
| ; RV32I-NEXT: .LBB10_5: |
| ; RV32I-NEXT: mv a5, t2 |
| ; RV32I-NEXT: .LBB10_6: |
| ; RV32I-NEXT: slli t3, a5, 1 |
| ; RV32I-NEXT: not a3, a2 |
| ; RV32I-NEXT: beqz a1, .LBB10_8 |
| ; RV32I-NEXT: # %bb.7: |
| ; RV32I-NEXT: mv t1, a7 |
| ; RV32I-NEXT: .LBB10_8: |
| ; RV32I-NEXT: srl a7, t0, a2 |
| ; RV32I-NEXT: sll a1, t3, a3 |
| ; RV32I-NEXT: srl a5, a5, a2 |
| ; RV32I-NEXT: beqz a4, .LBB10_10 |
| ; RV32I-NEXT: # %bb.9: |
| ; RV32I-NEXT: mv t2, t1 |
| ; RV32I-NEXT: .LBB10_10: |
| ; RV32I-NEXT: or a7, a1, a7 |
| ; RV32I-NEXT: slli a1, t2, 1 |
| ; RV32I-NEXT: sll a1, a1, a3 |
| ; RV32I-NEXT: or a5, a1, a5 |
| ; RV32I-NEXT: srl a1, t2, a2 |
| ; RV32I-NEXT: beqz a4, .LBB10_12 |
| ; RV32I-NEXT: # %bb.11: |
| ; RV32I-NEXT: mv t1, a6 |
| ; RV32I-NEXT: .LBB10_12: |
| ; RV32I-NEXT: slli a4, t1, 1 |
| ; RV32I-NEXT: sll a4, a4, a3 |
| ; RV32I-NEXT: or a1, a4, a1 |
| ; RV32I-NEXT: srl a2, t1, a2 |
| ; RV32I-NEXT: slli a4, t0, 1 |
| ; RV32I-NEXT: sll a3, a4, a3 |
| ; RV32I-NEXT: or a2, a3, a2 |
| ; RV32I-NEXT: sw a2, 12(a0) |
| ; RV32I-NEXT: sw a1, 8(a0) |
| ; RV32I-NEXT: sw a5, 4(a0) |
| ; RV32I-NEXT: sw a7, 0(a0) |
| ; RV32I-NEXT: ret |
| ; RV32I-NEXT: .LBB10_13: |
| ; RV32I-NEXT: mv t0, a5 |
| ; RV32I-NEXT: beqz a1, .LBB10_4 |
| ; RV32I-NEXT: .LBB10_14: |
| ; RV32I-NEXT: mv t2, a3 |
| ; RV32I-NEXT: bnez a4, .LBB10_5 |
| ; RV32I-NEXT: j .LBB10_6 |
| ; |
| ; RV64I-LABEL: fshr128_minsize: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: andi a4, a2, 64 |
| ; RV64I-NEXT: mv a3, a0 |
| ; RV64I-NEXT: beqz a4, .LBB10_2 |
| ; RV64I-NEXT: # %bb.1: |
| ; RV64I-NEXT: mv a3, a1 |
| ; RV64I-NEXT: .LBB10_2: |
| ; RV64I-NEXT: srl a5, a3, a2 |
| ; RV64I-NEXT: beqz a4, .LBB10_4 |
| ; RV64I-NEXT: # %bb.3: |
| ; RV64I-NEXT: mv a1, a0 |
| ; RV64I-NEXT: .LBB10_4: |
| ; RV64I-NEXT: slli a0, a1, 1 |
| ; RV64I-NEXT: not a4, a2 |
| ; RV64I-NEXT: sll a0, a0, a4 |
| ; RV64I-NEXT: or a0, a0, a5 |
| ; RV64I-NEXT: srl a1, a1, a2 |
| ; RV64I-NEXT: slli a2, a3, 1 |
| ; RV64I-NEXT: sll a2, a2, a4 |
| ; RV64I-NEXT: or a1, a2, a1 |
| ; RV64I-NEXT: ret |
| %res = tail call i128 @llvm.fshr.i128(i128 %a, i128 %a, i128 %b) |
| ret i128 %res |
| } |
