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18 lines
507 B
18 lines
507 B
4 months ago
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; Test 128-bit floating-point subtraction 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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define void @f1(fp128 *%ptr1, fp128 *%ptr2) {
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; CHECK-LABEL: f1:
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; CHECK-DAG: vl [[REG1:%v[0-9]+]], 0(%r2)
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; CHECK-DAG: vl [[REG2:%v[0-9]+]], 0(%r3)
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; CHECK: wfsxb [[RES:%v[0-9]+]], [[REG1]], [[REG2]]
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; CHECK: vst [[RES]], 0(%r2)
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; CHECK: br %r14
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%f1 = load fp128, fp128 *%ptr1
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%f2 = load fp128, fp128 *%ptr2
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%sum = fsub fp128 %f1, %f2
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store fp128 %sum, fp128 *%ptr1
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ret void
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}
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