1; Test 64-bit floating-point stores. 2; 3; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s 4 5; Test the low end of the STD range. 6define void @f1(double *%src, double %val) { 7; CHECK-LABEL: f1: 8; CHECK: std %f0, 0(%r2) 9; CHECK: br %r14 10 store double %val, double *%src 11 ret void 12} 13 14; Test the high end of the STD range. 15define void @f2(double *%src, double %val) { 16; CHECK-LABEL: f2: 17; CHECK: std %f0, 4088(%r2) 18; CHECK: br %r14 19 %ptr = getelementptr double *%src, i64 511 20 store double %val, double *%ptr 21 ret void 22} 23 24; Check the next doubleword up, which should use STDY instead of STD. 25define void @f3(double *%src, double %val) { 26; CHECK-LABEL: f3: 27; CHECK: stdy %f0, 4096(%r2) 28; CHECK: br %r14 29 %ptr = getelementptr double *%src, i64 512 30 store double %val, double *%ptr 31 ret void 32} 33 34; Check the high end of the aligned STDY range. 35define void @f4(double *%src, double %val) { 36; CHECK-LABEL: f4: 37; CHECK: stdy %f0, 524280(%r2) 38; CHECK: br %r14 39 %ptr = getelementptr double *%src, i64 65535 40 store double %val, double *%ptr 41 ret void 42} 43 44; Check the next doubleword up, which needs separate address logic. 45; Other sequences besides this one would be OK. 46define void @f5(double *%src, double %val) { 47; CHECK-LABEL: f5: 48; CHECK: agfi %r2, 524288 49; CHECK: std %f0, 0(%r2) 50; CHECK: br %r14 51 %ptr = getelementptr double *%src, i64 65536 52 store double %val, double *%ptr 53 ret void 54} 55 56; Check the high end of the negative aligned STDY range. 57define void @f6(double *%src, double %val) { 58; CHECK-LABEL: f6: 59; CHECK: stdy %f0, -8(%r2) 60; CHECK: br %r14 61 %ptr = getelementptr double *%src, i64 -1 62 store double %val, double *%ptr 63 ret void 64} 65 66; Check the low end of the STDY range. 67define void @f7(double *%src, double %val) { 68; CHECK-LABEL: f7: 69; CHECK: stdy %f0, -524288(%r2) 70; CHECK: br %r14 71 %ptr = getelementptr double *%src, i64 -65536 72 store double %val, double *%ptr 73 ret void 74} 75 76; Check the next doubleword down, which needs separate address logic. 77; Other sequences besides this one would be OK. 78define void @f8(double *%src, double %val) { 79; CHECK-LABEL: f8: 80; CHECK: agfi %r2, -524296 81; CHECK: std %f0, 0(%r2) 82; CHECK: br %r14 83 %ptr = getelementptr double *%src, i64 -65537 84 store double %val, double *%ptr 85 ret void 86} 87 88; Check that STD allows an index. 89define void @f9(i64 %src, i64 %index, double %val) { 90; CHECK-LABEL: f9: 91; CHECK: std %f0, 4095({{%r3,%r2|%r2,%r3}}) 92; CHECK: br %r14 93 %add1 = add i64 %src, %index 94 %add2 = add i64 %add1, 4095 95 %ptr = inttoptr i64 %add2 to double * 96 store double %val, double *%ptr 97 ret void 98} 99 100; Check that STDY allows an index. 101define void @f10(i64 %src, i64 %index, double %val) { 102; CHECK-LABEL: f10: 103; CHECK: stdy %f0, 4096({{%r3,%r2|%r2,%r3}}) 104; CHECK: br %r14 105 %add1 = add i64 %src, %index 106 %add2 = add i64 %add1, 4096 107 %ptr = inttoptr i64 %add2 to double * 108 store double %val, double *%ptr 109 ret void 110} 111