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view test/CodeGen/SystemZ/fp-cmp-06.ll @ 128:c347d3398279 default tip
fix
author | mir3636 |
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date | Wed, 06 Dec 2017 14:37:17 +0900 |
parents | 803732b1fca8 |
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; Test f128 comparisons on z14. ; ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s ; There is no memory form of 128-bit comparison. define i64 @f1(i64 %a, i64 %b, fp128 *%ptr1, fp128 *%ptr2) { ; CHECK-LABEL: f1: ; CHECK-DAG: vl [[REG1:%v[0-9]+]], 0(%r4) ; CHECK-DAG: vl [[REG2:%v[0-9]+]], 0(%r5) ; CHECK: wfcxb [[REG1]], [[REG2]] ; CHECK-NEXT: locgrne %r2, %r3 ; CHECK: br %r14 %f1 = load fp128, fp128 *%ptr1 %f2 = load fp128, fp128 *%ptr2 %cond = fcmp oeq fp128 %f1, %f2 %res = select i1 %cond, i64 %a, i64 %b ret i64 %res } ; Check comparison with zero -- it is not worthwhile to copy to ; FP pairs just so we can use LTXBR, so simply load up a zero. define i64 @f2(i64 %a, i64 %b, fp128 *%ptr) { ; CHECK-LABEL: f2: ; CHECK-DAG: vl [[REG1:%v[0-9]+]], 0(%r4) ; CHECK-DAG: vzero [[REG2:%v[0-9]+]] ; CHECK: wfcxb [[REG1]], [[REG2]] ; CHECK-NEXT: locgrne %r2, %r3 ; CHECK: br %r14 %f = load fp128, fp128 *%ptr %cond = fcmp oeq fp128 %f, 0xL00000000000000000000000000000000 %res = select i1 %cond, i64 %a, i64 %b ret i64 %res }