1 ; Test multiplication of two f32s, producing an f64 result.
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
5 ; Check register multiplication.
6 define double @f1(float %f1, float %f2) {
8 ; CHECK: mdebr %f0, %f2
10 %f1x = fpext float %f1 to double
11 %f2x = fpext float %f2 to double
12 %res = fmul double %f1x, %f2x
16 ; Check the low end of the MDEB range.
17 define double @f2(float %f1, float *%ptr) {
19 ; CHECK: mdeb %f0, 0(%r2)
21 %f2 = load float *%ptr
22 %f1x = fpext float %f1 to double
23 %f2x = fpext float %f2 to double
24 %res = fmul double %f1x, %f2x
28 ; Check the high end of the aligned MDEB range.
29 define double @f3(float %f1, float *%base) {
31 ; CHECK: mdeb %f0, 4092(%r2)
33 %ptr = getelementptr float *%base, i64 1023
34 %f2 = load float *%ptr
35 %f1x = fpext float %f1 to double
36 %f2x = fpext float %f2 to double
37 %res = fmul double %f1x, %f2x
41 ; Check the next word up, which needs separate address logic.
42 ; Other sequences besides this one would be OK.
43 define double @f4(float %f1, float *%base) {
45 ; CHECK: aghi %r2, 4096
46 ; CHECK: mdeb %f0, 0(%r2)
48 %ptr = getelementptr float *%base, i64 1024
49 %f2 = load float *%ptr
50 %f1x = fpext float %f1 to double
51 %f2x = fpext float %f2 to double
52 %res = fmul double %f1x, %f2x
56 ; Check negative displacements, which also need separate address logic.
57 define double @f5(float %f1, float *%base) {
60 ; CHECK: mdeb %f0, 0(%r2)
62 %ptr = getelementptr float *%base, i64 -1
63 %f2 = load float *%ptr
64 %f1x = fpext float %f1 to double
65 %f2x = fpext float %f2 to double
66 %res = fmul double %f1x, %f2x
70 ; Check that MDEB allows indices.
71 define double @f6(float %f1, float *%base, i64 %index) {
73 ; CHECK: sllg %r1, %r3, 2
74 ; CHECK: mdeb %f0, 400(%r1,%r2)
76 %ptr1 = getelementptr float *%base, i64 %index
77 %ptr2 = getelementptr float *%ptr1, i64 100
78 %f2 = load float *%ptr2
79 %f1x = fpext float %f1 to double
80 %f2x = fpext float %f2 to double
81 %res = fmul double %f1x, %f2x