1 ; Test 128-bit floating-point subtraction. 2 ; 3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s 4 5 ; There is no memory form of 128-bit subtraction. 6 define void @f1(fp128 *%ptr, float %f2) { 7 ; CHECK-LABEL: f1: 8 ; CHECK: lxebr %f0, %f0 9 ; CHECK: ld %f1, 0(%r2) 10 ; CHECK: ld %f3, 8(%r2) 11 ; CHECK: sxbr %f1, %f0 12 ; CHECK: std %f1, 0(%r2) 13 ; CHECK: std %f3, 8(%r2) 14 ; CHECK: br %r14 15 %f1 = load fp128 , fp128 *%ptr 16 %f2x = fpext float %f2 to fp128 17 %sum = fsub fp128 %f1, %f2x 18 store fp128 %sum, fp128 *%ptr 19 ret void 20 } 21
