| ; Test loads of f128 floating-point constants on z14. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s -check-prefix=CONST |
| |
| ; Test loading zero. |
| define void @f1(fp128 *%x) { |
| ; CHECK-LABEL: f1: |
| ; CHECK: vzero [[REG:%v[0-9]+]] |
| ; CHECK: vst [[REG]], 0(%r2) |
| ; CHECK: br %r14 |
| store fp128 0xL00000000000000000000000000000000, fp128 *%x |
| ret void |
| } |
| |
| ; Test loading of negative floating-point zero. |
| define void @f2(fp128 *%x) { |
| ; CHECK-LABEL: f2: |
| ; CHECK: vzero [[REG:%v[0-9]+]] |
| ; CHECK: wflnxb [[REG]], [[REG]] |
| ; CHECK: vst [[REG]], 0(%r2) |
| ; CHECK: br %r14 |
| store fp128 0xL00000000000000008000000000000000, fp128 *%x |
| ret void |
| } |
| |
| ; Test loading of a 128-bit floating-point constant. This value would |
| ; actually fit within the 32-bit format, but we don't have extending |
| ; loads into vector registers. |
| define void @f3(fp128 *%x) { |
| ; CHECK-LABEL: f3: |
| ; CHECK: larl [[REGISTER:%r[1-5]+]], {{.*}} |
| ; CHECK: vl [[REG:%v[0-9]+]], 0([[REGISTER]]) |
| ; CHECK: vst [[REG]], 0(%r2) |
| ; CHECK: br %r14 |
| ; CONST: .quad 4611404543484231680 |
| ; CONST: .quad 0 |
| store fp128 0xL00000000000000003fff000002000000, fp128 *%x |
| ret void |
| } |