| ; 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 a4, a2, -32 |
| ; RV32I-NEXT: srl a3, a1, a2 |
| ; RV32I-NEXT: bltz a4, .LBB0_2 |
| ; RV32I-NEXT: # %bb.1: |
| ; RV32I-NEXT: mv a0, a3 |
| ; RV32I-NEXT: j .LBB0_3 |
| ; RV32I-NEXT: .LBB0_2: |
| ; RV32I-NEXT: srl a0, a0, a2 |
| ; RV32I-NEXT: not a2, a2 |
| ; RV32I-NEXT: slli a1, a1, 1 |
| ; RV32I-NEXT: sll a1, a1, a2 |
| ; RV32I-NEXT: or a0, a0, a1 |
| ; RV32I-NEXT: .LBB0_3: |
| ; RV32I-NEXT: srai a1, a4, 31 |
| ; RV32I-NEXT: and a1, a1, a3 |
| ; 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 |
| ; 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: mv a3, a1 |
| ; RV32I-NEXT: addi a4, a2, -32 |
| ; RV32I-NEXT: sra a1, a1, a2 |
| ; RV32I-NEXT: bltz a4, .LBB2_2 |
| ; RV32I-NEXT: # %bb.1: |
| ; RV32I-NEXT: srai a3, a3, 31 |
| ; RV32I-NEXT: mv a0, a1 |
| ; RV32I-NEXT: mv a1, a3 |
| ; RV32I-NEXT: ret |
| ; RV32I-NEXT: .LBB2_2: |
| ; RV32I-NEXT: srl a0, a0, a2 |
| ; RV32I-NEXT: not a2, a2 |
| ; RV32I-NEXT: slli a3, a3, 1 |
| ; RV32I-NEXT: sll a2, a3, a2 |
| ; RV32I-NEXT: or a0, a0, 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 |
| ; 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 a4, a2, -32 |
| ; RV32I-NEXT: sll a3, a0, a2 |
| ; RV32I-NEXT: bltz a4, .LBB4_2 |
| ; RV32I-NEXT: # %bb.1: |
| ; RV32I-NEXT: mv a1, a3 |
| ; RV32I-NEXT: j .LBB4_3 |
| ; RV32I-NEXT: .LBB4_2: |
| ; RV32I-NEXT: sll a1, a1, a2 |
| ; RV32I-NEXT: not a2, a2 |
| ; RV32I-NEXT: srli a0, a0, 1 |
| ; RV32I-NEXT: srl a0, a0, a2 |
| ; RV32I-NEXT: or a1, a1, a0 |
| ; RV32I-NEXT: .LBB4_3: |
| ; RV32I-NEXT: srai a0, a4, 31 |
| ; RV32I-NEXT: and a0, a0, a3 |
| ; 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 |
| ; 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, -32 |
| ; RV32I-NEXT: lw a2, 0(a2) |
| ; RV32I-NEXT: lw a3, 0(a1) |
| ; RV32I-NEXT: lw a4, 4(a1) |
| ; RV32I-NEXT: lw a5, 8(a1) |
| ; RV32I-NEXT: lw a1, 12(a1) |
| ; RV32I-NEXT: sb zero, 31(sp) |
| ; RV32I-NEXT: sb zero, 30(sp) |
| ; RV32I-NEXT: sb zero, 29(sp) |
| ; RV32I-NEXT: sb zero, 28(sp) |
| ; RV32I-NEXT: sb zero, 27(sp) |
| ; RV32I-NEXT: sb zero, 26(sp) |
| ; RV32I-NEXT: sb zero, 25(sp) |
| ; RV32I-NEXT: sb zero, 24(sp) |
| ; RV32I-NEXT: sb zero, 23(sp) |
| ; RV32I-NEXT: sb zero, 22(sp) |
| ; RV32I-NEXT: sb zero, 21(sp) |
| ; RV32I-NEXT: sb zero, 20(sp) |
| ; RV32I-NEXT: sb zero, 19(sp) |
| ; RV32I-NEXT: sb zero, 18(sp) |
| ; RV32I-NEXT: sb zero, 17(sp) |
| ; RV32I-NEXT: sb zero, 16(sp) |
| ; RV32I-NEXT: sb a1, 12(sp) |
| ; RV32I-NEXT: sb a5, 8(sp) |
| ; RV32I-NEXT: sb a4, 4(sp) |
| ; RV32I-NEXT: sb a3, 0(sp) |
| ; RV32I-NEXT: srli a6, a1, 24 |
| ; RV32I-NEXT: sb a6, 15(sp) |
| ; RV32I-NEXT: srli a6, a1, 16 |
| ; RV32I-NEXT: sb a6, 14(sp) |
| ; RV32I-NEXT: srli a1, a1, 8 |
| ; RV32I-NEXT: sb a1, 13(sp) |
| ; RV32I-NEXT: srli a1, a5, 24 |
| ; RV32I-NEXT: sb a1, 11(sp) |
| ; RV32I-NEXT: srli a1, a5, 16 |
| ; RV32I-NEXT: sb a1, 10(sp) |
| ; RV32I-NEXT: srli a5, a5, 8 |
| ; RV32I-NEXT: sb a5, 9(sp) |
| ; RV32I-NEXT: srli a1, a4, 24 |
| ; RV32I-NEXT: sb a1, 7(sp) |
| ; RV32I-NEXT: srli a1, a4, 16 |
| ; RV32I-NEXT: sb a1, 6(sp) |
| ; RV32I-NEXT: srli a4, a4, 8 |
| ; RV32I-NEXT: sb a4, 5(sp) |
| ; RV32I-NEXT: srli a1, a3, 24 |
| ; RV32I-NEXT: sb a1, 3(sp) |
| ; RV32I-NEXT: srli a1, a3, 16 |
| ; RV32I-NEXT: sb a1, 2(sp) |
| ; RV32I-NEXT: srli a3, a3, 8 |
| ; RV32I-NEXT: sb a3, 1(sp) |
| ; RV32I-NEXT: slli a1, a2, 25 |
| ; RV32I-NEXT: srli a1, a1, 28 |
| ; RV32I-NEXT: mv a3, sp |
| ; RV32I-NEXT: add a1, a3, a1 |
| ; RV32I-NEXT: lbu a3, 1(a1) |
| ; RV32I-NEXT: lbu a4, 0(a1) |
| ; RV32I-NEXT: lbu a5, 2(a1) |
| ; RV32I-NEXT: lbu a6, 3(a1) |
| ; RV32I-NEXT: slli a3, a3, 8 |
| ; RV32I-NEXT: or a3, a3, a4 |
| ; RV32I-NEXT: slli a5, a5, 16 |
| ; RV32I-NEXT: slli a6, a6, 24 |
| ; RV32I-NEXT: or a4, a6, a5 |
| ; RV32I-NEXT: or a3, a4, a3 |
| ; RV32I-NEXT: andi a2, a2, 7 |
| ; RV32I-NEXT: srl a3, a3, a2 |
| ; RV32I-NEXT: lbu a4, 5(a1) |
| ; RV32I-NEXT: lbu a5, 4(a1) |
| ; RV32I-NEXT: lbu a6, 6(a1) |
| ; RV32I-NEXT: lbu a7, 7(a1) |
| ; RV32I-NEXT: slli a4, a4, 8 |
| ; RV32I-NEXT: or a4, a4, a5 |
| ; RV32I-NEXT: slli a6, a6, 16 |
| ; RV32I-NEXT: slli a7, a7, 24 |
| ; RV32I-NEXT: or a5, a7, a6 |
| ; RV32I-NEXT: or a4, a5, a4 |
| ; RV32I-NEXT: slli a5, a4, 1 |
| ; RV32I-NEXT: xori a6, a2, 31 |
| ; RV32I-NEXT: sll a5, a5, a6 |
| ; RV32I-NEXT: or a3, a3, a5 |
| ; RV32I-NEXT: srl a4, a4, a2 |
| ; RV32I-NEXT: lbu a5, 9(a1) |
| ; RV32I-NEXT: lbu a7, 8(a1) |
| ; RV32I-NEXT: lbu t0, 10(a1) |
| ; RV32I-NEXT: lbu t1, 11(a1) |
| ; RV32I-NEXT: slli a5, a5, 8 |
| ; RV32I-NEXT: or a5, a5, a7 |
| ; RV32I-NEXT: slli t0, t0, 16 |
| ; RV32I-NEXT: slli t1, t1, 24 |
| ; RV32I-NEXT: or a7, t1, t0 |
| ; RV32I-NEXT: or a5, a7, a5 |
| ; RV32I-NEXT: slli a7, a5, 1 |
| ; RV32I-NEXT: not t0, a2 |
| ; RV32I-NEXT: lbu t1, 13(a1) |
| ; RV32I-NEXT: sll a7, a7, t0 |
| ; RV32I-NEXT: or a4, a4, a7 |
| ; RV32I-NEXT: lbu a7, 12(a1) |
| ; RV32I-NEXT: slli t1, t1, 8 |
| ; RV32I-NEXT: lbu t0, 14(a1) |
| ; RV32I-NEXT: lbu a1, 15(a1) |
| ; RV32I-NEXT: or a7, t1, a7 |
| ; RV32I-NEXT: srl a5, a5, a2 |
| ; RV32I-NEXT: slli t0, t0, 16 |
| ; RV32I-NEXT: slli a1, a1, 24 |
| ; RV32I-NEXT: or a1, a1, t0 |
| ; RV32I-NEXT: or a1, a1, a7 |
| ; RV32I-NEXT: slli a7, a1, 1 |
| ; RV32I-NEXT: sll a6, a7, a6 |
| ; RV32I-NEXT: or a5, a5, a6 |
| ; RV32I-NEXT: srl a1, a1, a2 |
| ; RV32I-NEXT: sw a1, 12(a0) |
| ; RV32I-NEXT: sw a5, 8(a0) |
| ; RV32I-NEXT: sw a4, 4(a0) |
| ; RV32I-NEXT: sw a3, 0(a0) |
| ; RV32I-NEXT: addi sp, sp, 32 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: lshr128: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: addi a4, a2, -64 |
| ; RV64I-NEXT: srl a3, a1, a2 |
| ; RV64I-NEXT: bltz a4, .LBB6_2 |
| ; RV64I-NEXT: # %bb.1: |
| ; RV64I-NEXT: mv a0, a3 |
| ; RV64I-NEXT: j .LBB6_3 |
| ; RV64I-NEXT: .LBB6_2: |
| ; RV64I-NEXT: srl a0, a0, a2 |
| ; RV64I-NEXT: not a2, a2 |
| ; RV64I-NEXT: slli a1, a1, 1 |
| ; RV64I-NEXT: sll a1, a1, a2 |
| ; RV64I-NEXT: or a0, a0, a1 |
| ; RV64I-NEXT: .LBB6_3: |
| ; RV64I-NEXT: srai a1, a4, 63 |
| ; RV64I-NEXT: and a1, a1, a3 |
| ; 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, -32 |
| ; RV32I-NEXT: lw a2, 0(a2) |
| ; RV32I-NEXT: lw a3, 12(a1) |
| ; RV32I-NEXT: lw a4, 8(a1) |
| ; RV32I-NEXT: lw a5, 4(a1) |
| ; RV32I-NEXT: lw a1, 0(a1) |
| ; RV32I-NEXT: sb a3, 12(sp) |
| ; RV32I-NEXT: sb a4, 8(sp) |
| ; RV32I-NEXT: sb a5, 4(sp) |
| ; RV32I-NEXT: sb a1, 0(sp) |
| ; RV32I-NEXT: srai a6, a3, 31 |
| ; RV32I-NEXT: sb a6, 28(sp) |
| ; RV32I-NEXT: sb a6, 24(sp) |
| ; RV32I-NEXT: sb a6, 20(sp) |
| ; RV32I-NEXT: sb a6, 16(sp) |
| ; RV32I-NEXT: srli a7, a3, 24 |
| ; RV32I-NEXT: sb a7, 15(sp) |
| ; RV32I-NEXT: srli a7, a3, 16 |
| ; RV32I-NEXT: sb a7, 14(sp) |
| ; RV32I-NEXT: srli a3, a3, 8 |
| ; RV32I-NEXT: sb a3, 13(sp) |
| ; RV32I-NEXT: srli a3, a4, 24 |
| ; RV32I-NEXT: sb a3, 11(sp) |
| ; RV32I-NEXT: srli a3, a4, 16 |
| ; RV32I-NEXT: sb a3, 10(sp) |
| ; RV32I-NEXT: srli a4, a4, 8 |
| ; RV32I-NEXT: sb a4, 9(sp) |
| ; RV32I-NEXT: srli a3, a5, 24 |
| ; RV32I-NEXT: sb a3, 7(sp) |
| ; RV32I-NEXT: srli a3, a5, 16 |
| ; RV32I-NEXT: sb a3, 6(sp) |
| ; RV32I-NEXT: srli a5, a5, 8 |
| ; RV32I-NEXT: sb a5, 5(sp) |
| ; RV32I-NEXT: srli a3, a1, 24 |
| ; RV32I-NEXT: sb a3, 3(sp) |
| ; RV32I-NEXT: srli a3, a1, 16 |
| ; RV32I-NEXT: sb a3, 2(sp) |
| ; RV32I-NEXT: srli a1, a1, 8 |
| ; RV32I-NEXT: sb a1, 1(sp) |
| ; RV32I-NEXT: srli a1, a6, 24 |
| ; RV32I-NEXT: sb a1, 31(sp) |
| ; RV32I-NEXT: srli a3, a6, 16 |
| ; RV32I-NEXT: sb a3, 30(sp) |
| ; RV32I-NEXT: srli a4, a6, 8 |
| ; RV32I-NEXT: sb a4, 29(sp) |
| ; RV32I-NEXT: sb a1, 27(sp) |
| ; RV32I-NEXT: sb a3, 26(sp) |
| ; RV32I-NEXT: sb a4, 25(sp) |
| ; RV32I-NEXT: sb a1, 23(sp) |
| ; RV32I-NEXT: sb a3, 22(sp) |
| ; RV32I-NEXT: sb a4, 21(sp) |
| ; RV32I-NEXT: sb a1, 19(sp) |
| ; RV32I-NEXT: sb a3, 18(sp) |
| ; RV32I-NEXT: sb a4, 17(sp) |
| ; RV32I-NEXT: slli a1, a2, 25 |
| ; RV32I-NEXT: srli a1, a1, 28 |
| ; RV32I-NEXT: mv a3, sp |
| ; RV32I-NEXT: add a1, a3, a1 |
| ; RV32I-NEXT: lbu a3, 1(a1) |
| ; RV32I-NEXT: lbu a4, 0(a1) |
| ; RV32I-NEXT: lbu a5, 2(a1) |
| ; RV32I-NEXT: lbu a6, 3(a1) |
| ; RV32I-NEXT: slli a3, a3, 8 |
| ; RV32I-NEXT: or a3, a3, a4 |
| ; RV32I-NEXT: slli a5, a5, 16 |
| ; RV32I-NEXT: slli a6, a6, 24 |
| ; RV32I-NEXT: or a4, a6, a5 |
| ; RV32I-NEXT: or a3, a4, a3 |
| ; RV32I-NEXT: andi a2, a2, 7 |
| ; RV32I-NEXT: srl a3, a3, a2 |
| ; RV32I-NEXT: lbu a4, 5(a1) |
| ; RV32I-NEXT: lbu a5, 4(a1) |
| ; RV32I-NEXT: lbu a6, 6(a1) |
| ; RV32I-NEXT: lbu a7, 7(a1) |
| ; RV32I-NEXT: slli a4, a4, 8 |
| ; RV32I-NEXT: or a4, a4, a5 |
| ; RV32I-NEXT: slli a6, a6, 16 |
| ; RV32I-NEXT: slli a7, a7, 24 |
| ; RV32I-NEXT: or a5, a7, a6 |
| ; RV32I-NEXT: or a4, a5, a4 |
| ; RV32I-NEXT: slli a5, a4, 1 |
| ; RV32I-NEXT: xori a6, a2, 31 |
| ; RV32I-NEXT: sll a5, a5, a6 |
| ; RV32I-NEXT: or a3, a3, a5 |
| ; RV32I-NEXT: srl a4, a4, a2 |
| ; RV32I-NEXT: lbu a5, 9(a1) |
| ; RV32I-NEXT: lbu a7, 8(a1) |
| ; RV32I-NEXT: lbu t0, 10(a1) |
| ; RV32I-NEXT: lbu t1, 11(a1) |
| ; RV32I-NEXT: slli a5, a5, 8 |
| ; RV32I-NEXT: or a5, a5, a7 |
| ; RV32I-NEXT: slli t0, t0, 16 |
| ; RV32I-NEXT: slli t1, t1, 24 |
| ; RV32I-NEXT: or a7, t1, t0 |
| ; RV32I-NEXT: or a5, a7, a5 |
| ; RV32I-NEXT: slli a7, a5, 1 |
| ; RV32I-NEXT: not t0, a2 |
| ; RV32I-NEXT: lbu t1, 13(a1) |
| ; RV32I-NEXT: sll a7, a7, t0 |
| ; RV32I-NEXT: or a4, a4, a7 |
| ; RV32I-NEXT: lbu a7, 12(a1) |
| ; RV32I-NEXT: slli t1, t1, 8 |
| ; RV32I-NEXT: lbu t0, 14(a1) |
| ; RV32I-NEXT: lbu a1, 15(a1) |
| ; RV32I-NEXT: or a7, t1, a7 |
| ; RV32I-NEXT: srl a5, a5, a2 |
| ; RV32I-NEXT: slli t0, t0, 16 |
| ; RV32I-NEXT: slli a1, a1, 24 |
| ; RV32I-NEXT: or a1, a1, t0 |
| ; RV32I-NEXT: or a1, a1, a7 |
| ; RV32I-NEXT: slli a7, a1, 1 |
| ; RV32I-NEXT: sll a6, a7, a6 |
| ; RV32I-NEXT: or a5, a5, a6 |
| ; RV32I-NEXT: sra a1, a1, a2 |
| ; RV32I-NEXT: sw a1, 12(a0) |
| ; RV32I-NEXT: sw a5, 8(a0) |
| ; RV32I-NEXT: sw a4, 4(a0) |
| ; RV32I-NEXT: sw a3, 0(a0) |
| ; RV32I-NEXT: addi sp, sp, 32 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: ashr128: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: mv a3, a1 |
| ; RV64I-NEXT: addi a4, a2, -64 |
| ; RV64I-NEXT: sra a1, a1, a2 |
| ; RV64I-NEXT: bltz a4, .LBB7_2 |
| ; RV64I-NEXT: # %bb.1: |
| ; RV64I-NEXT: srai a3, a3, 63 |
| ; RV64I-NEXT: mv a0, a1 |
| ; RV64I-NEXT: mv a1, a3 |
| ; RV64I-NEXT: ret |
| ; RV64I-NEXT: .LBB7_2: |
| ; RV64I-NEXT: srl a0, a0, a2 |
| ; RV64I-NEXT: not a2, a2 |
| ; RV64I-NEXT: slli a3, a3, 1 |
| ; RV64I-NEXT: sll a2, a3, a2 |
| ; RV64I-NEXT: or a0, a0, 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, -32 |
| ; RV32I-NEXT: lw a2, 0(a2) |
| ; RV32I-NEXT: lw a3, 0(a1) |
| ; RV32I-NEXT: lw a4, 4(a1) |
| ; RV32I-NEXT: lw a5, 8(a1) |
| ; RV32I-NEXT: lw a1, 12(a1) |
| ; RV32I-NEXT: sb zero, 15(sp) |
| ; RV32I-NEXT: sb zero, 14(sp) |
| ; RV32I-NEXT: sb zero, 13(sp) |
| ; RV32I-NEXT: sb zero, 12(sp) |
| ; RV32I-NEXT: sb zero, 11(sp) |
| ; RV32I-NEXT: sb zero, 10(sp) |
| ; RV32I-NEXT: sb zero, 9(sp) |
| ; RV32I-NEXT: sb zero, 8(sp) |
| ; RV32I-NEXT: sb zero, 7(sp) |
| ; RV32I-NEXT: sb zero, 6(sp) |
| ; RV32I-NEXT: sb zero, 5(sp) |
| ; RV32I-NEXT: sb zero, 4(sp) |
| ; RV32I-NEXT: sb zero, 3(sp) |
| ; RV32I-NEXT: sb zero, 2(sp) |
| ; RV32I-NEXT: sb zero, 1(sp) |
| ; RV32I-NEXT: sb zero, 0(sp) |
| ; RV32I-NEXT: sb a1, 28(sp) |
| ; RV32I-NEXT: sb a5, 24(sp) |
| ; RV32I-NEXT: sb a4, 20(sp) |
| ; RV32I-NEXT: sb a3, 16(sp) |
| ; RV32I-NEXT: srli a6, a1, 24 |
| ; RV32I-NEXT: sb a6, 31(sp) |
| ; RV32I-NEXT: srli a6, a1, 16 |
| ; RV32I-NEXT: sb a6, 30(sp) |
| ; RV32I-NEXT: srli a1, a1, 8 |
| ; RV32I-NEXT: sb a1, 29(sp) |
| ; RV32I-NEXT: srli a1, a5, 24 |
| ; RV32I-NEXT: sb a1, 27(sp) |
| ; RV32I-NEXT: srli a1, a5, 16 |
| ; RV32I-NEXT: sb a1, 26(sp) |
| ; RV32I-NEXT: srli a5, a5, 8 |
| ; RV32I-NEXT: sb a5, 25(sp) |
| ; RV32I-NEXT: srli a1, a4, 24 |
| ; RV32I-NEXT: sb a1, 23(sp) |
| ; RV32I-NEXT: srli a1, a4, 16 |
| ; RV32I-NEXT: sb a1, 22(sp) |
| ; RV32I-NEXT: srli a4, a4, 8 |
| ; RV32I-NEXT: sb a4, 21(sp) |
| ; RV32I-NEXT: srli a1, a3, 24 |
| ; RV32I-NEXT: sb a1, 19(sp) |
| ; RV32I-NEXT: srli a1, a3, 16 |
| ; RV32I-NEXT: sb a1, 18(sp) |
| ; RV32I-NEXT: srli a3, a3, 8 |
| ; RV32I-NEXT: sb a3, 17(sp) |
| ; RV32I-NEXT: slli a1, a2, 25 |
| ; RV32I-NEXT: srli a1, a1, 28 |
| ; RV32I-NEXT: addi a3, sp, 16 |
| ; RV32I-NEXT: sub a1, a3, a1 |
| ; RV32I-NEXT: lbu a3, 5(a1) |
| ; RV32I-NEXT: lbu a4, 4(a1) |
| ; RV32I-NEXT: lbu a5, 6(a1) |
| ; RV32I-NEXT: lbu a6, 7(a1) |
| ; RV32I-NEXT: slli a3, a3, 8 |
| ; RV32I-NEXT: or a3, a3, a4 |
| ; RV32I-NEXT: slli a5, a5, 16 |
| ; RV32I-NEXT: slli a6, a6, 24 |
| ; RV32I-NEXT: or a4, a6, a5 |
| ; RV32I-NEXT: or a3, a4, a3 |
| ; RV32I-NEXT: andi a2, a2, 7 |
| ; RV32I-NEXT: sll a4, a3, a2 |
| ; RV32I-NEXT: lbu a5, 1(a1) |
| ; RV32I-NEXT: lbu a6, 0(a1) |
| ; RV32I-NEXT: lbu a7, 2(a1) |
| ; RV32I-NEXT: lbu t0, 3(a1) |
| ; RV32I-NEXT: slli a5, a5, 8 |
| ; RV32I-NEXT: or a5, a5, a6 |
| ; RV32I-NEXT: slli a7, a7, 16 |
| ; RV32I-NEXT: slli t0, t0, 24 |
| ; RV32I-NEXT: or a6, t0, a7 |
| ; RV32I-NEXT: or a5, a6, a5 |
| ; RV32I-NEXT: srli a6, a5, 1 |
| ; RV32I-NEXT: xori a7, a2, 31 |
| ; RV32I-NEXT: srl a6, a6, a7 |
| ; RV32I-NEXT: or a4, a4, a6 |
| ; RV32I-NEXT: lbu a6, 9(a1) |
| ; RV32I-NEXT: lbu t0, 8(a1) |
| ; RV32I-NEXT: lbu t1, 10(a1) |
| ; RV32I-NEXT: lbu t2, 11(a1) |
| ; RV32I-NEXT: slli a6, a6, 8 |
| ; RV32I-NEXT: or a6, a6, t0 |
| ; RV32I-NEXT: slli t1, t1, 16 |
| ; RV32I-NEXT: slli t2, t2, 24 |
| ; RV32I-NEXT: or t0, t2, t1 |
| ; RV32I-NEXT: or a6, t0, a6 |
| ; RV32I-NEXT: sll t0, a6, a2 |
| ; RV32I-NEXT: srli a3, a3, 1 |
| ; RV32I-NEXT: not t1, a2 |
| ; RV32I-NEXT: srl a3, a3, t1 |
| ; RV32I-NEXT: or a3, t0, a3 |
| ; RV32I-NEXT: lbu t0, 13(a1) |
| ; RV32I-NEXT: lbu t1, 12(a1) |
| ; RV32I-NEXT: lbu t2, 14(a1) |
| ; RV32I-NEXT: lbu a1, 15(a1) |
| ; RV32I-NEXT: slli t0, t0, 8 |
| ; RV32I-NEXT: or t0, t0, t1 |
| ; RV32I-NEXT: slli t2, t2, 16 |
| ; RV32I-NEXT: slli a1, a1, 24 |
| ; RV32I-NEXT: or a1, a1, t2 |
| ; RV32I-NEXT: or a1, a1, t0 |
| ; RV32I-NEXT: sll a1, a1, a2 |
| ; RV32I-NEXT: srli a6, a6, 1 |
| ; RV32I-NEXT: srl a6, a6, a7 |
| ; RV32I-NEXT: or a1, a1, a6 |
| ; RV32I-NEXT: sll a2, a5, a2 |
| ; RV32I-NEXT: sw a2, 0(a0) |
| ; RV32I-NEXT: sw a1, 12(a0) |
| ; RV32I-NEXT: sw a3, 8(a0) |
| ; RV32I-NEXT: sw a4, 4(a0) |
| ; RV32I-NEXT: addi sp, sp, 32 |
| ; RV32I-NEXT: ret |
| ; |
| ; RV64I-LABEL: shl128: |
| ; RV64I: # %bb.0: |
| ; RV64I-NEXT: addi a4, a2, -64 |
| ; RV64I-NEXT: sll a3, a0, a2 |
| ; RV64I-NEXT: bltz a4, .LBB8_2 |
| ; RV64I-NEXT: # %bb.1: |
| ; RV64I-NEXT: mv a1, a3 |
| ; RV64I-NEXT: j .LBB8_3 |
| ; RV64I-NEXT: .LBB8_2: |
| ; RV64I-NEXT: sll a1, a1, a2 |
| ; RV64I-NEXT: not a2, a2 |
| ; RV64I-NEXT: srli a0, a0, 1 |
| ; RV64I-NEXT: srl a0, a0, a2 |
| ; RV64I-NEXT: or a1, a1, a0 |
| ; RV64I-NEXT: .LBB8_3: |
| ; RV64I-NEXT: srai a0, a4, 63 |
| ; RV64I-NEXT: and a0, a0, a3 |
| ; 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 a3, a3, 1 |
| ; RV32I-NEXT: sll a2, a3, 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: negw 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 a3, 8(a1) |
| ; RV32I-NEXT: lw t2, 0(a1) |
| ; RV32I-NEXT: lw a2, 0(a2) |
| ; RV32I-NEXT: lw a7, 4(a1) |
| ; RV32I-NEXT: lw a1, 12(a1) |
| ; RV32I-NEXT: andi t1, a2, 64 |
| ; RV32I-NEXT: mv t0, a7 |
| ; RV32I-NEXT: mv a4, t2 |
| ; RV32I-NEXT: beqz t1, .LBB10_2 |
| ; RV32I-NEXT: # %bb.1: |
| ; RV32I-NEXT: mv t0, a1 |
| ; RV32I-NEXT: mv a4, a3 |
| ; RV32I-NEXT: .LBB10_2: |
| ; RV32I-NEXT: andi a6, a2, 32 |
| ; RV32I-NEXT: mv a5, a4 |
| ; RV32I-NEXT: bnez a6, .LBB10_13 |
| ; RV32I-NEXT: # %bb.3: |
| ; RV32I-NEXT: bnez t1, .LBB10_14 |
| ; RV32I-NEXT: .LBB10_4: |
| ; RV32I-NEXT: beqz a6, .LBB10_6 |
| ; RV32I-NEXT: .LBB10_5: |
| ; RV32I-NEXT: mv t0, a3 |
| ; RV32I-NEXT: .LBB10_6: |
| ; RV32I-NEXT: slli t3, t0, 1 |
| ; RV32I-NEXT: not t2, a2 |
| ; RV32I-NEXT: beqz t1, .LBB10_8 |
| ; RV32I-NEXT: # %bb.7: |
| ; RV32I-NEXT: mv a1, a7 |
| ; RV32I-NEXT: .LBB10_8: |
| ; RV32I-NEXT: srl a7, a5, a2 |
| ; RV32I-NEXT: sll t1, t3, t2 |
| ; RV32I-NEXT: srl t0, t0, a2 |
| ; RV32I-NEXT: beqz a6, .LBB10_10 |
| ; RV32I-NEXT: # %bb.9: |
| ; RV32I-NEXT: mv a3, a1 |
| ; RV32I-NEXT: .LBB10_10: |
| ; RV32I-NEXT: or a7, t1, a7 |
| ; RV32I-NEXT: slli t1, a3, 1 |
| ; RV32I-NEXT: sll t1, t1, t2 |
| ; RV32I-NEXT: or t0, t1, t0 |
| ; RV32I-NEXT: srl a3, a3, a2 |
| ; RV32I-NEXT: beqz a6, .LBB10_12 |
| ; RV32I-NEXT: # %bb.11: |
| ; RV32I-NEXT: mv a1, a4 |
| ; RV32I-NEXT: .LBB10_12: |
| ; RV32I-NEXT: slli a4, a1, 1 |
| ; RV32I-NEXT: sll a4, a4, t2 |
| ; RV32I-NEXT: or a3, a4, a3 |
| ; RV32I-NEXT: srl a1, a1, a2 |
| ; RV32I-NEXT: slli a5, a5, 1 |
| ; RV32I-NEXT: sll a2, a5, t2 |
| ; RV32I-NEXT: or a1, a2, a1 |
| ; RV32I-NEXT: sw a1, 12(a0) |
| ; RV32I-NEXT: sw a3, 8(a0) |
| ; RV32I-NEXT: sw t0, 4(a0) |
| ; RV32I-NEXT: sw a7, 0(a0) |
| ; RV32I-NEXT: ret |
| ; RV32I-NEXT: .LBB10_13: |
| ; RV32I-NEXT: mv a5, t0 |
| ; RV32I-NEXT: beqz t1, .LBB10_4 |
| ; RV32I-NEXT: .LBB10_14: |
| ; RV32I-NEXT: mv a3, t2 |
| ; RV32I-NEXT: bnez a6, .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 a3, a3, 1 |
| ; RV64I-NEXT: sll a2, a3, 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 |
| } |
