1 ; Test 128-bit floating-point comparison. 2 ; 3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s 4 5 ; There is no memory form of 128-bit comparison. 6 define i64 @f1(i64 %a, i64 %b, fp128 *%ptr, float %f2) { 7 ; CHECK-LABEL: f1: 8 ; CHECK: lxebr %f0, %f0 9 ; CHECK: ld %f1, 0(%r4) 10 ; CHECK: ld %f3, 8(%r4) 11 ; CHECK: cxbr %f1, %f0 12 ; CHECK-NEXT: je 13 ; CHECK: lgr %r2, %r3 14 ; CHECK: br %r14 15 %f2x = fpext float %f2 to fp128 16 %f1 = load fp128 *%ptr 17 %cond = fcmp oeq fp128 %f1, %f2x 18 %res = select i1 %cond, i64 %a, i64 %b 19 ret i64 %res 20 } 21 22 ; Check comparison with zero. 23 define i64 @f2(i64 %a, i64 %b, fp128 *%ptr) { 24 ; CHECK-LABEL: f2: 25 ; CHECK: ld %f0, 0(%r4) 26 ; CHECK: ld %f2, 8(%r4) 27 ; CHECK: ltxbr %f0, %f0 28 ; CHECK-NEXT: je 29 ; CHECK: lgr %r2, %r3 30 ; CHECK: br %r14 31 %f = load fp128 *%ptr 32 %cond = fcmp oeq fp128 %f, 0xL00000000000000000000000000000000 33 %res = select i1 %cond, i64 %a, i64 %b 34 ret i64 %res 35 } 36
