| Ulrich Weigand | 33435c4 | 2017-07-17 17:42:48 +0000 | [diff] [blame] | 1 | ; Test vector subtraction on z14. |
| 2 | ; |
| 3 | ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s |
| 4 | |
| 5 | ; Test a v4f32 subtraction. |
| 6 | define <4 x float> @f6(<4 x float> %dummy, <4 x float> %val1, |
| 7 | <4 x float> %val2) { |
| 8 | ; CHECK-LABEL: f6: |
| 9 | ; CHECK: vfssb %v24, %v26, %v28 |
| 10 | ; CHECK: br %r14 |
| 11 | %ret = fsub <4 x float> %val1, %val2 |
| 12 | ret <4 x float> %ret |
| 13 | } |
| 14 | |
| 15 | ; Test an f32 subtraction that uses vector registers. |
| 16 | define float @f7(<4 x float> %val1, <4 x float> %val2) { |
| 17 | ; CHECK-LABEL: f7: |
| 18 | ; CHECK: wfssb %f0, %v24, %v26 |
| 19 | ; CHECK: br %r14 |
| 20 | %scalar1 = extractelement <4 x float> %val1, i32 0 |
| 21 | %scalar2 = extractelement <4 x float> %val2, i32 0 |
| 22 | %ret = fsub float %scalar1, %scalar2 |
| 23 | ret float %ret |
| 24 | } |
| 25 | |
| 26 | ; Test a v2f32 subtraction, which gets promoted to v4f32. |
| 27 | define <2 x float> @f14(<2 x float> %val1, <2 x float> %val2) { |
| 28 | ; No particular output expected, but must compile. |
| 29 | %ret = fsub <2 x float> %val1, %val2 |
| 30 | ret <2 x float> %ret |
| 31 | } |