diff options
Diffstat (limited to 'test/CodeGen/SystemZ/fp-const-11.ll')
| -rw-r--r-- | test/CodeGen/SystemZ/fp-const-11.ll | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/fp-const-11.ll b/test/CodeGen/SystemZ/fp-const-11.ll new file mode 100644 index 0000000000000..8523f2786c34c --- /dev/null +++ b/test/CodeGen/SystemZ/fp-const-11.ll @@ -0,0 +1,40 @@ +; 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 +} |
