| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s |
| |
| ; Test 128-bit rotate by constant amount. |
| define i128 @f1(i128 %val) { |
| ; CHECK-LABEL: f1: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: vl %v0, 0(%r3), 3 |
| ; CHECK-NEXT: vrepib %v1, 100 |
| ; CHECK-NEXT: vsrlb %v2, %v0, %v1 |
| ; CHECK-NEXT: vsrl %v1, %v2, %v1 |
| ; CHECK-NEXT: vrepib %v2, 28 |
| ; CHECK-NEXT: vslb %v0, %v0, %v2 |
| ; CHECK-NEXT: vsl %v0, %v0, %v2 |
| ; CHECK-NEXT: vo %v0, %v0, %v1 |
| ; CHECK-NEXT: vst %v0, 0(%r2), 3 |
| ; CHECK-NEXT: br %r14 |
| |
| %parta = shl i128 %val, 28 |
| %partb = lshr i128 %val, 100 |
| |
| %rotl = or i128 %parta, %partb |
| |
| ret i128 %rotl |
| } |
| |
| ; Test 128-bit rotate by constant amount (full bytes). |
| define i128 @f2(i128 %val) { |
| ; CHECK-LABEL: f2: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: vl %v0, 0(%r3), 3 |
| ; CHECK-NEXT: vrepib %v1, 96 |
| ; CHECK-NEXT: vrepib %v2, 32 |
| ; CHECK-NEXT: vsrlb %v1, %v0, %v1 |
| ; CHECK-NEXT: vslb %v0, %v0, %v2 |
| ; CHECK-NEXT: vo %v0, %v0, %v1 |
| ; CHECK-NEXT: vst %v0, 0(%r2), 3 |
| ; CHECK-NEXT: br %r14 |
| |
| %parta = shl i128 %val, 32 |
| %partb = lshr i128 %val, 96 |
| |
| %rotl = or i128 %parta, %partb |
| |
| ret i128 %rotl |
| } |
| |
| ; Test 128-bit rotate by variable amount. |
| define i128 @f3(i128 %val, i128 %amt) { |
| ; CHECK-LABEL: f3: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: l %r0, 12(%r4) |
| ; CHECK-NEXT: vlvgp %v1, %r0, %r0 |
| ; CHECK-NEXT: vl %v0, 0(%r3), 3 |
| ; CHECK-NEXT: vrepb %v1, %v1, 15 |
| ; CHECK-NEXT: vslb %v2, %v0, %v1 |
| ; CHECK-NEXT: lhi %r1, 128 |
| ; CHECK-NEXT: sr %r1, %r0 |
| ; CHECK-NEXT: vsl %v1, %v2, %v1 |
| ; CHECK-NEXT: vlvgp %v2, %r1, %r1 |
| ; CHECK-NEXT: vrepb %v2, %v2, 15 |
| ; CHECK-NEXT: vsrlb %v0, %v0, %v2 |
| ; CHECK-NEXT: vsrl %v0, %v0, %v2 |
| ; CHECK-NEXT: vo %v0, %v1, %v0 |
| ; CHECK-NEXT: vst %v0, 0(%r2), 3 |
| ; CHECK-NEXT: br %r14 |
| |
| %inv = sub i128 128, %amt |
| %parta = shl i128 %val, %amt |
| %partb = lshr i128 %val, %inv |
| |
| %rotl = or i128 %parta, %partb |
| |
| ret i128 %rotl |
| } |
| |