xref: /llvm-project/llvm/test/CodeGen/SystemZ/int-mul-12.ll (revision a65ccc1b9fe740c9f65d9cf2b627de50278aad56)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
2; Test 128-bit multiplication on z13
3;
4; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
5
6; Multiplication.
7define i128 @f1(i128 %a, i128 %b) {
8; CHECK-LABEL: f1:
9; CHECK:       # %bb.0:
10; CHECK-NEXT:    stmg %r12, %r15, 96(%r15)
11; CHECK-NEXT:    .cfi_offset %r12, -64
12; CHECK-NEXT:    .cfi_offset %r13, -56
13; CHECK-NEXT:    .cfi_offset %r15, -40
14; CHECK-NEXT:    lg %r13, 8(%r3)
15; CHECK-NEXT:    lg %r0, 8(%r4)
16; CHECK-NEXT:    lgr %r1, %r13
17; CHECK-NEXT:    mlgr %r12, %r0
18; CHECK-NEXT:    msg %r1, 0(%r4)
19; CHECK-NEXT:    msg %r0, 0(%r3)
20; CHECK-NEXT:    agr %r1, %r12
21; CHECK-NEXT:    agr %r0, %r1
22; CHECK-NEXT:    stg %r13, 8(%r2)
23; CHECK-NEXT:    stg %r0, 0(%r2)
24; CHECK-NEXT:    lmg %r12, %r15, 96(%r15)
25; CHECK-NEXT:    br %r14
26  %res = mul i128 %a, %b
27  ret i128 %res
28}
29