1 ; Test 128-bit floating-point subtraction.
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
5 ; There is no memory form of 128-bit subtraction.
6 define void @f1(ptr %ptr, float %f2) {
8 ; CHECK-DAG: lxebr %f0, %f0
9 ; CHECK-DAG: ld %f1, 0(%r2)
10 ; CHECK-DAG: ld %f3, 8(%r2)
11 ; CHECK: sxbr %f1, %f0
12 ; CHECK: std %f1, 0(%r2)
13 ; CHECK: std %f3, 8(%r2)
15 %f1 = load fp128, ptr %ptr
16 %f2x = fpext float %f2 to fp128
17 %sum = fsub fp128 %f1, %f2x
18 store fp128 %sum, ptr %ptr