; Test 128-bit floating-point comparison. The tests assume a z10 implementation ; of select, using conditional branches rather than LOCGR. ; ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s ; There is no memory form of 128-bit comparison. define i64 @f1(i64 %a, i64 %b, fp128 *%ptr, float %f2) { ; CHECK-LABEL: f1: ; CHECK-DAG: lxebr %f0, %f0 ; CHECK-DAG: ld %f1, 0(%r4) ; CHECK-DAG: ld %f3, 8(%r4) ; CHECK: cxbr %f1, %f0 ; CHECK-NEXT: ber %r14 ; CHECK: lgr %r2, %r3 ; CHECK: br %r14 %f2x = fpext float %f2 to fp128 %f1 = load fp128, fp128 *%ptr %cond = fcmp oeq fp128 %f1, %f2x %res = select i1 %cond, i64 %a, i64 %b ret i64 %res } ; Check comparison with zero. define i64 @f2(i64 %a, i64 %b, fp128 *%ptr) { ; CHECK-LABEL: f2: ; CHECK: ld %f0, 0(%r4) ; CHECK: ld %f2, 8(%r4) ; CHECK: ltxbr %f0, %f0 ; CHECK-NEXT: ber %r14 ; CHECK: lgr %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 }