Ulrich Weigand | a65ccc1 | 2023-12-15 12:55:15 +0100 | [diff] [blame] | 1 | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 |
| 2 | ; Test 128-bit division and remainder in vector registers on z13 using libcalls |
| 3 | ; |
| 4 | ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s |
| 5 | |
| 6 | ; Divide signed. |
| 7 | define i128 @f1(i128 %a, i128 %b) { |
| 8 | ; CHECK-LABEL: f1: |
| 9 | ; CHECK: # %bb.0: |
| 10 | ; CHECK-NEXT: stmg %r13, %r15, 104(%r15) |
| 11 | ; CHECK-NEXT: .cfi_offset %r13, -56 |
| 12 | ; CHECK-NEXT: .cfi_offset %r14, -48 |
| 13 | ; CHECK-NEXT: .cfi_offset %r15, -40 |
| 14 | ; CHECK-NEXT: aghi %r15, -208 |
| 15 | ; CHECK-NEXT: .cfi_def_cfa_offset 368 |
| 16 | ; CHECK-NEXT: vl %v0, 0(%r3), 3 |
| 17 | ; CHECK-NEXT: vl %v1, 0(%r4), 3 |
| 18 | ; CHECK-NEXT: lgr %r13, %r2 |
| 19 | ; CHECK-NEXT: la %r2, 192(%r15) |
| 20 | ; CHECK-NEXT: la %r3, 176(%r15) |
| 21 | ; CHECK-NEXT: la %r4, 160(%r15) |
| 22 | ; CHECK-NEXT: vst %v1, 160(%r15), 3 |
| 23 | ; CHECK-NEXT: vst %v0, 176(%r15), 3 |
| 24 | ; CHECK-NEXT: brasl %r14, __divti3@PLT |
| 25 | ; CHECK-NEXT: vl %v0, 192(%r15), 3 |
| 26 | ; CHECK-NEXT: vst %v0, 0(%r13), 3 |
| 27 | ; CHECK-NEXT: lmg %r13, %r15, 312(%r15) |
| 28 | ; CHECK-NEXT: br %r14 |
| 29 | %res = sdiv i128 %a, %b |
| 30 | ret i128 %res |
| 31 | } |
| 32 | |
| 33 | ; Divide unsigned. |
| 34 | define i128 @f2(i128 %a, i128 %b) { |
| 35 | ; CHECK-LABEL: f2: |
| 36 | ; CHECK: # %bb.0: |
| 37 | ; CHECK-NEXT: stmg %r13, %r15, 104(%r15) |
| 38 | ; CHECK-NEXT: .cfi_offset %r13, -56 |
| 39 | ; CHECK-NEXT: .cfi_offset %r14, -48 |
| 40 | ; CHECK-NEXT: .cfi_offset %r15, -40 |
| 41 | ; CHECK-NEXT: aghi %r15, -208 |
| 42 | ; CHECK-NEXT: .cfi_def_cfa_offset 368 |
| 43 | ; CHECK-NEXT: vl %v0, 0(%r3), 3 |
| 44 | ; CHECK-NEXT: vl %v1, 0(%r4), 3 |
| 45 | ; CHECK-NEXT: lgr %r13, %r2 |
| 46 | ; CHECK-NEXT: la %r2, 192(%r15) |
| 47 | ; CHECK-NEXT: la %r3, 176(%r15) |
| 48 | ; CHECK-NEXT: la %r4, 160(%r15) |
| 49 | ; CHECK-NEXT: vst %v1, 160(%r15), 3 |
| 50 | ; CHECK-NEXT: vst %v0, 176(%r15), 3 |
| 51 | ; CHECK-NEXT: brasl %r14, __udivti3@PLT |
| 52 | ; CHECK-NEXT: vl %v0, 192(%r15), 3 |
| 53 | ; CHECK-NEXT: vst %v0, 0(%r13), 3 |
| 54 | ; CHECK-NEXT: lmg %r13, %r15, 312(%r15) |
| 55 | ; CHECK-NEXT: br %r14 |
| 56 | %res = udiv i128 %a, %b |
| 57 | ret i128 %res |
| 58 | } |
| 59 | |
| 60 | ; Remainder signed. |
| 61 | define i128 @f3(i128 %a, i128 %b) { |
| 62 | ; CHECK-LABEL: f3: |
| 63 | ; CHECK: # %bb.0: |
| 64 | ; CHECK-NEXT: stmg %r13, %r15, 104(%r15) |
| 65 | ; CHECK-NEXT: .cfi_offset %r13, -56 |
| 66 | ; CHECK-NEXT: .cfi_offset %r14, -48 |
| 67 | ; CHECK-NEXT: .cfi_offset %r15, -40 |
| 68 | ; CHECK-NEXT: aghi %r15, -208 |
| 69 | ; CHECK-NEXT: .cfi_def_cfa_offset 368 |
| 70 | ; CHECK-NEXT: vl %v0, 0(%r3), 3 |
| 71 | ; CHECK-NEXT: vl %v1, 0(%r4), 3 |
| 72 | ; CHECK-NEXT: lgr %r13, %r2 |
| 73 | ; CHECK-NEXT: la %r2, 192(%r15) |
| 74 | ; CHECK-NEXT: la %r3, 176(%r15) |
| 75 | ; CHECK-NEXT: la %r4, 160(%r15) |
| 76 | ; CHECK-NEXT: vst %v1, 160(%r15), 3 |
| 77 | ; CHECK-NEXT: vst %v0, 176(%r15), 3 |
| 78 | ; CHECK-NEXT: brasl %r14, __modti3@PLT |
| 79 | ; CHECK-NEXT: vl %v0, 192(%r15), 3 |
| 80 | ; CHECK-NEXT: vst %v0, 0(%r13), 3 |
| 81 | ; CHECK-NEXT: lmg %r13, %r15, 312(%r15) |
| 82 | ; CHECK-NEXT: br %r14 |
| 83 | %res = srem i128 %a, %b |
| 84 | ret i128 %res |
| 85 | } |
| 86 | |
| 87 | ; Remainder unsigned. |
| 88 | define i128 @f4(i128 %a, i128 %b) { |
| 89 | ; CHECK-LABEL: f4: |
| 90 | ; CHECK: # %bb.0: |
| 91 | ; CHECK-NEXT: stmg %r13, %r15, 104(%r15) |
| 92 | ; CHECK-NEXT: .cfi_offset %r13, -56 |
| 93 | ; CHECK-NEXT: .cfi_offset %r14, -48 |
| 94 | ; CHECK-NEXT: .cfi_offset %r15, -40 |
| 95 | ; CHECK-NEXT: aghi %r15, -208 |
| 96 | ; CHECK-NEXT: .cfi_def_cfa_offset 368 |
| 97 | ; CHECK-NEXT: vl %v0, 0(%r3), 3 |
| 98 | ; CHECK-NEXT: vl %v1, 0(%r4), 3 |
| 99 | ; CHECK-NEXT: lgr %r13, %r2 |
| 100 | ; CHECK-NEXT: la %r2, 192(%r15) |
| 101 | ; CHECK-NEXT: la %r3, 176(%r15) |
| 102 | ; CHECK-NEXT: la %r4, 160(%r15) |
| 103 | ; CHECK-NEXT: vst %v1, 160(%r15), 3 |
| 104 | ; CHECK-NEXT: vst %v0, 176(%r15), 3 |
| 105 | ; CHECK-NEXT: brasl %r14, __umodti3@PLT |
| 106 | ; CHECK-NEXT: vl %v0, 192(%r15), 3 |
| 107 | ; CHECK-NEXT: vst %v0, 0(%r13), 3 |
| 108 | ; CHECK-NEXT: lmg %r13, %r15, 312(%r15) |
| 109 | ; CHECK-NEXT: br %r14 |
| 110 | %res = urem i128 %a, %b |
| 111 | ret i128 %res |
| 112 | } |