| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 |
| ; Test 128-bit multiplication in vector registers on z17 |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z17 | FileCheck %s |
| |
| ; Multiplication. |
| define i128 @f1(i128 %a, i128 %b) { |
| ; CHECK-LABEL: f1: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: vl %v0, 0(%r4), 3 |
| ; CHECK-NEXT: vl %v1, 0(%r3), 3 |
| ; CHECK-NEXT: vmlq %v0, %v1, %v0 |
| ; CHECK-NEXT: vst %v0, 0(%r2), 3 |
| ; CHECK-NEXT: br %r14 |
| %res = mul i128 %a, %b |
| ret i128 %res |
| } |
| |
| ; Multiply-and-add. |
| define i128 @f2(i128 %a, i128 %b, i128 %add) { |
| ; CHECK-LABEL: f2: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: vl %v0, 0(%r5), 3 |
| ; CHECK-NEXT: vl %v1, 0(%r4), 3 |
| ; CHECK-NEXT: vl %v2, 0(%r3), 3 |
| ; CHECK-NEXT: vmalq %v0, %v2, %v1, %v0 |
| ; CHECK-NEXT: vst %v0, 0(%r2), 3 |
| ; CHECK-NEXT: br %r14 |
| %mul = mul i128 %a, %b |
| %res = add i128 %mul, %add |
| ret i128 %res |
| } |