1; Test 64-bit atomic ANDs. 2; 3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s 4 5; Check ANDs of a variable. 6define i64 @f1(i64 %dummy, i64 *%src, i64 %b) { 7; CHECK-LABEL: f1: 8; CHECK: lg %r2, 0(%r3) 9; CHECK: [[LABEL:\.[^:]*]]: 10; CHECK: lgr %r0, %r2 11; CHECK: ngr %r0, %r4 12; CHECK: csg %r2, %r0, 0(%r3) 13; CHECK: jl [[LABEL]] 14; CHECK: br %r14 15 %res = atomicrmw and i64 *%src, i64 %b seq_cst 16 ret i64 %res 17} 18 19; Check ANDs of 1, which are done using a register. (We could use RISBG 20; instead, but that isn't implemented yet.) 21define i64 @f2(i64 %dummy, i64 *%src) { 22; CHECK-LABEL: f2: 23; CHECK: ngr 24; CHECK: br %r14 25 %res = atomicrmw and i64 *%src, i64 1 seq_cst 26 ret i64 %res 27} 28 29; Check the equivalent of NIHF with 1, which can use RISBG instead. 30define i64 @f3(i64 %dummy, i64 *%src) { 31; CHECK-LABEL: f3: 32; CHECK: lg %r2, 0(%r3) 33; CHECK: [[LABEL:\.[^:]*]]: 34; CHECK: risbg %r0, %r2, 31, 191, 0 35; CHECK: csg %r2, %r0, 0(%r3) 36; CHECK: jl [[LABEL]] 37; CHECK: br %r14 38 %res = atomicrmw and i64 *%src, i64 8589934591 seq_cst 39 ret i64 %res 40} 41 42; Check the lowest NIHF value outside the range of RISBG. 43define i64 @f4(i64 %dummy, i64 *%src) { 44; CHECK-LABEL: f4: 45; CHECK: lg %r2, 0(%r3) 46; CHECK: [[LABEL:\.[^:]*]]: 47; CHECK: lgr %r0, %r2 48; CHECK: nihf %r0, 2 49; CHECK: csg %r2, %r0, 0(%r3) 50; CHECK: jl [[LABEL]] 51; CHECK: br %r14 52 %res = atomicrmw and i64 *%src, i64 12884901887 seq_cst 53 ret i64 %res 54} 55 56; Check the next value up, which must use a register. 57define i64 @f5(i64 %dummy, i64 *%src) { 58; CHECK-LABEL: f5: 59; CHECK: ngr 60; CHECK: br %r14 61 %res = atomicrmw and i64 *%src, i64 12884901888 seq_cst 62 ret i64 %res 63} 64 65; Check the lowest NIHH value outside the range of RISBG. 66define i64 @f6(i64 %dummy, i64 *%src) { 67; CHECK-LABEL: f6: 68; CHECK: nihh {{%r[0-5]}}, 2 69; CHECK: br %r14 70 %res = atomicrmw and i64 *%src, i64 844424930131967 seq_cst 71 ret i64 %res 72} 73 74; Check the next value up, which must use a register. 75define i64 @f7(i64 %dummy, i64 *%src) { 76; CHECK-LABEL: f7: 77; CHECK: ngr 78; CHECK: br %r14 79 %res = atomicrmw and i64 *%src, i64 281474976710656 seq_cst 80 ret i64 %res 81} 82 83; Check the highest NILL value outside the range of RISBG. 84define i64 @f8(i64 %dummy, i64 *%src) { 85; CHECK-LABEL: f8: 86; CHECK: nill {{%r[0-5]}}, 65530 87; CHECK: br %r14 88 %res = atomicrmw and i64 *%src, i64 -6 seq_cst 89 ret i64 %res 90} 91 92; Check the lowest NILL value outside the range of RISBG. 93define i64 @f9(i64 %dummy, i64 *%src) { 94; CHECK-LABEL: f9: 95; CHECK: nill {{%r[0-5]}}, 2 96; CHECK: br %r14 97 %res = atomicrmw and i64 *%src, i64 -65534 seq_cst 98 ret i64 %res 99} 100 101; Check the highest useful NILF value. 102define i64 @f10(i64 %dummy, i64 *%src) { 103; CHECK-LABEL: f10: 104; CHECK: nilf {{%r[0-5]}}, 4294901758 105; CHECK: br %r14 106 %res = atomicrmw and i64 *%src, i64 -65538 seq_cst 107 ret i64 %res 108} 109 110; Check the highest NILH value outside the range of RISBG. 111define i64 @f11(i64 %dummy, i64 *%src) { 112; CHECK-LABEL: f11: 113; CHECK: nilh {{%r[0-5]}}, 65530 114; CHECK: br %r14 115 %res = atomicrmw and i64 *%src, i64 -327681 seq_cst 116 ret i64 %res 117} 118 119; Check the lowest NILH value outside the range of RISBG. 120define i64 @f12(i64 %dummy, i64 *%src) { 121; CHECK-LABEL: f12: 122; CHECK: nilh {{%r[0-5]}}, 2 123; CHECK: br %r14 124 %res = atomicrmw and i64 *%src, i64 -4294770689 seq_cst 125 ret i64 %res 126} 127 128; Check the lowest NILF value outside the range of RISBG. 129define i64 @f13(i64 %dummy, i64 *%src) { 130; CHECK-LABEL: f13: 131; CHECK: nilf {{%r[0-5]}}, 2 132; CHECK: br %r14 133 %res = atomicrmw and i64 *%src, i64 -4294967294 seq_cst 134 ret i64 %res 135} 136 137; Check the highest NIHL value outside the range of RISBG. 138define i64 @f14(i64 %dummy, i64 *%src) { 139; CHECK-LABEL: f14: 140; CHECK: nihl {{%r[0-5]}}, 65530 141; CHECK: br %r14 142 %res = atomicrmw and i64 *%src, i64 -21474836481 seq_cst 143 ret i64 %res 144} 145 146; Check the lowest NIHL value outside the range of RISBG. 147define i64 @f15(i64 %dummy, i64 *%src) { 148; CHECK-LABEL: f15: 149; CHECK: nihl {{%r[0-5]}}, 2 150; CHECK: br %r14 151 %res = atomicrmw and i64 *%src, i64 -281462091808769 seq_cst 152 ret i64 %res 153} 154 155; Check the highest NIHH value outside the range of RISBG. 156define i64 @f16(i64 %dummy, i64 *%src) { 157; CHECK-LABEL: f16: 158; CHECK: nihh {{%r[0-5]}}, 65530 159; CHECK: br %r14 160 %res = atomicrmw and i64 *%src, i64 -1407374883553281 seq_cst 161 ret i64 %res 162} 163 164; Check the highest useful NIHF value. 165define i64 @f17(i64 %dummy, i64 *%src) { 166; CHECK-LABEL: f17: 167; CHECK: nihf {{%r[0-5]}}, 4294901758 168; CHECK: br %r14 169 %res = atomicrmw and i64 *%src, i64 -281479271677953 seq_cst 170 ret i64 %res 171} 172