| Ulrich Weigand | 9e3577f | 2013-05-06 16:17:29 +0000 | [diff] [blame] | 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: 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 *%ptr |
| 16 | %f2x = fpext float %f2 to fp128 |
| 17 | %sum = fsub fp128 %f1, %f2x |
| 18 | store fp128 %sum, fp128 *%ptr |
| 19 | ret void |
| 20 | } |