71 lines
1.8 KiB
LLVM
71 lines
1.8 KiB
LLVM
; Test loads of f128 floating-point constants on z14.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s -check-prefix=CONST
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; Test loading zero.
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define void @f1(fp128 *%x) {
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; CHECK-LABEL: f1:
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; CHECK: vzero [[REG:%v[0-9]+]]
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; CHECK: vst [[REG]], 0(%r2)
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; CHECK: br %r14
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store fp128 0xL00000000000000000000000000000000, fp128 *%x
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ret void
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}
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; Test loading of negative floating-point zero.
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define void @f2(fp128 *%x) {
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; CHECK-LABEL: f2:
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; CHECK: vzero [[REG:%v[0-9]+]]
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; CHECK: wflnxb [[REG]], [[REG]]
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; CHECK: vst [[REG]], 0(%r2)
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; CHECK: br %r14
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store fp128 0xL00000000000000008000000000000000, fp128 *%x
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ret void
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}
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; Test loading of a 128-bit floating-point constant. This value would
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; actually fit within the 32-bit format, but we don't have extending
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; loads into vector registers.
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define void @f3(fp128 *%x) {
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; CHECK-LABEL: f3:
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; CHECK: larl [[REGISTER:%r[1-5]+]], {{.*}}
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; CHECK: vl [[REG:%v[0-9]+]], 0([[REGISTER]])
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; CHECK: vst [[REG]], 0(%r2)
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; CHECK: br %r14
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; CONST: .quad 4611404543484231680
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; CONST: .quad 0
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store fp128 0xL00000000000000003fff000002000000, fp128 *%x
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ret void
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}
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; Test that VGBM works.
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define void @f4(fp128 *%x) {
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; CHECK-LABEL: f4:
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; CHECK: vgbm %v0, 21845
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; CHECK-NEXT: vst %v0, 0(%r2)
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; CHECK-NEXT: br %r14
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store fp128 0xL00ff00ff00ff00ff00ff00ff00ff00ff, fp128 *%x
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ret void
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}
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; Test that VREPI works.
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define void @f5(fp128 *%x) {
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; CHECK-LABEL: f5:
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; CHECK: vrepib %v0, -8
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; CHECK-NEXT: vst %v0, 0(%r2)
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; CHECK-NEXT: br %r14
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store fp128 0xLf8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8, fp128 *%x
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ret void
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}
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; Test that VGM works.
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define void @f6(fp128 *%x) {
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; CHECK-LABEL: f6:
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; CHECK: vgmg %v0, 12, 31
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; CHECK-NEXT: vst %v0, 0(%r2)
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; CHECK-NEXT: br %r14
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store fp128 0xL000fffff00000000000fffff00000000, fp128 *%x
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ret void
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}
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