1 ; Test f128 moves on z14. 2 ; 3 ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s 4 5 ; VR-to-VR moves. Since f128s are passed by reference, 6 ; we need to force a copy by other means. 7 define void @f1(fp128 *%x) { 8 ; CHECK-LABEL: f1: 9 ; CHECK: vlr 10 ; CHECK: vleig 11 ; CHECK: br %r14 12 %val = load volatile fp128, fp128 *%x 13 %t1 = bitcast fp128 %val to <2 x i64> 14 %t2 = insertelement <2 x i64> %t1, i64 0, i32 0 15 %res = bitcast <2 x i64> %t2 to fp128 16 store volatile fp128 %res, fp128 *%x 17 store volatile fp128 %val, fp128 *%x 18 ret void 19 } 20 21 ; Test 128-bit moves from GPRs to VRs. i128 isn't a legitimate type, 22 ; so this goes through memory. 23 define void @f2(fp128 *%a, i128 *%b) { 24 ; CHECK-LABEL: f2: 25 ; CHECK: vl 26 ; CHECK: vst 27 ; CHECK: br %r14 28 %val = load i128, i128 *%b 29 %res = bitcast i128 %val to fp128 30 store fp128 %res, fp128 *%a 31 ret void 32 } 33 34 ; Test 128-bit moves from VRs to GPRs, with the same restriction as f2. 35 define void @f3(fp128 *%a, i128 *%b) { 36 ; CHECK-LABEL: f3: 37 ; CHECK: vl 38 ; CHECK: vst 39 %val = load fp128, fp128 *%a 40 %res = bitcast fp128 %val to i128 41 store i128 %res, i128 *%b 42 ret void 43 } 44 45
