1 ; Test multiplication of two f64s, producing an f64 result.
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
5 ; Check register multiplication.
6 define double @f1(double %f1, double %f2) {
10 %res = fmul double %f1, %f2
14 ; Check the low end of the MDB range.
15 define double @f2(double %f1, double *%ptr) {
17 ; CHECK: mdb %f0, 0(%r2)
19 %f2 = load double *%ptr
20 %res = fmul double %f1, %f2
24 ; Check the high end of the aligned MDB range.
25 define double @f3(double %f1, double *%base) {
27 ; CHECK: mdb %f0, 4088(%r2)
29 %ptr = getelementptr double *%base, i64 511
30 %f2 = load double *%ptr
31 %res = fmul double %f1, %f2
35 ; Check the next doubleword up, which needs separate address logic.
36 ; Other sequences besides this one would be OK.
37 define double @f4(double %f1, double *%base) {
39 ; CHECK: aghi %r2, 4096
40 ; CHECK: mdb %f0, 0(%r2)
42 %ptr = getelementptr double *%base, i64 512
43 %f2 = load double *%ptr
44 %res = fmul double %f1, %f2
48 ; Check negative displacements, which also need separate address logic.
49 define double @f5(double %f1, double *%base) {
52 ; CHECK: mdb %f0, 0(%r2)
54 %ptr = getelementptr double *%base, i64 -1
55 %f2 = load double *%ptr
56 %res = fmul double %f1, %f2
60 ; Check that MDB allows indices.
61 define double @f6(double %f1, double *%base, i64 %index) {
63 ; CHECK: sllg %r1, %r3, 3
64 ; CHECK: mdb %f0, 800(%r1,%r2)
66 %ptr1 = getelementptr double *%base, i64 %index
67 %ptr2 = getelementptr double *%ptr1, i64 100
68 %f2 = load double *%ptr2
69 %res = fmul double %f1, %f2