Ulrich Weigand | f2968d5 | 2017-07-17 17:44:20 +0000 | [diff] [blame] | 1 | ; Test f128 floating-point conversion to/from integers on z14. |
| 2 | ; |
| 3 | ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s |
| 4 | |
| 5 | ; Test signed i32->f128. |
| 6 | define void @f1(i32 %i, fp128 *%dst) { |
| 7 | ; CHECK-LABEL: f1: |
| 8 | ; CHECK: cxfbr %f0, %r2 |
| 9 | ; CHECK: vmrhg %v0, %v0, %v2 |
| 10 | ; CHECK: vst %v0, 0(%r3) |
| 11 | ; CHECK: br %r14 |
| 12 | %conv = sitofp i32 %i to fp128 |
| 13 | store fp128 %conv, fp128 *%dst |
| 14 | ret void |
| 15 | } |
| 16 | |
| 17 | ; Test signed i64->f128. |
| 18 | define void @f2(i64 %i, fp128 *%dst) { |
| 19 | ; CHECK-LABEL: f2: |
| 20 | ; CHECK: cxgbr %f0, %r2 |
| 21 | ; CHECK: vmrhg %v0, %v0, %v2 |
| 22 | ; CHECK: vst %v0, 0(%r3) |
| 23 | ; CHECK: br %r14 |
| 24 | %conv = sitofp i64 %i to fp128 |
| 25 | store fp128 %conv, fp128 *%dst |
| 26 | ret void |
| 27 | } |
| 28 | |
| 29 | ; Test unsigned i32->f128. |
| 30 | define void @f3(i32 %i, fp128 *%dst) { |
| 31 | ; CHECK-LABEL: f3: |
| 32 | ; CHECK: cxlfbr %f0, 0, %r2, 0 |
| 33 | ; CHECK: vmrhg %v0, %v0, %v2 |
| 34 | ; CHECK: vst %v0, 0(%r3) |
| 35 | ; CHECK: br %r14 |
| 36 | %conv = uitofp i32 %i to fp128 |
| 37 | store fp128 %conv, fp128 *%dst |
| 38 | ret void |
| 39 | } |
| 40 | |
| 41 | ; Test unsigned i64->f128. |
| 42 | define void @f4(i64 %i, fp128 *%dst) { |
| 43 | ; CHECK-LABEL: f4: |
| 44 | ; CHECK: cxlgbr %f0, 0, %r2, 0 |
| 45 | ; CHECK: vmrhg %v0, %v0, %v2 |
| 46 | ; CHECK: vst %v0, 0(%r3) |
| 47 | ; CHECK: br %r14 |
| 48 | %conv = uitofp i64 %i to fp128 |
| 49 | store fp128 %conv, fp128 *%dst |
| 50 | ret void |
| 51 | } |
| 52 | |
| 53 | ; Test signed f128->i32. |
| 54 | define i32 @f5(fp128 *%src) { |
| 55 | ; CHECK-LABEL: f5: |
| 56 | ; CHECK: vl %v0, 0(%r2) |
| 57 | ; CHECK: vrepg %v2, %v0, 1 |
| 58 | ; CHECK: cfxbr %r2, 5, %f0 |
| 59 | ; CHECK: br %r14 |
| 60 | %f = load fp128, fp128 *%src |
| 61 | %conv = fptosi fp128 %f to i32 |
| 62 | ret i32 %conv |
| 63 | } |
| 64 | |
| 65 | ; Test signed f128->i64. |
| 66 | define i64 @f6(fp128 *%src) { |
| 67 | ; CHECK-LABEL: f6: |
| 68 | ; CHECK: vl %v0, 0(%r2) |
| 69 | ; CHECK: vrepg %v2, %v0, 1 |
| 70 | ; CHECK: cgxbr %r2, 5, %f0 |
| 71 | ; CHECK: br %r14 |
| 72 | %f = load fp128, fp128 *%src |
| 73 | %conv = fptosi fp128 %f to i64 |
| 74 | ret i64 %conv |
| 75 | } |
| 76 | |
| 77 | ; Test unsigned f128->i32. |
| 78 | define i32 @f7(fp128 *%src) { |
| 79 | ; CHECK-LABEL: f7: |
| 80 | ; CHECK: vl %v0, 0(%r2) |
| 81 | ; CHECK: vrepg %v2, %v0, 1 |
| 82 | ; CHECK: clfxbr %r2, 5, %f0, 0 |
| 83 | ; CHECK: br %r14 |
Ulrich Weigand | 9dd23b8 | 2018-07-20 12:12:10 +0000 | [diff] [blame] | 84 | %f = load fp128, fp128 *%src |
Ulrich Weigand | f2968d5 | 2017-07-17 17:44:20 +0000 | [diff] [blame] | 85 | %conv = fptoui fp128 %f to i32 |
| 86 | ret i32 %conv |
| 87 | } |
| 88 | |
| 89 | ; Test unsigned f128->i64. |
| 90 | define i64 @f8(fp128 *%src) { |
| 91 | ; CHECK-LABEL: f8: |
| 92 | ; CHECK: vl %v0, 0(%r2) |
| 93 | ; CHECK: vrepg %v2, %v0, 1 |
| 94 | ; CHECK: clgxbr %r2, 5, %f0, 0 |
| 95 | ; CHECK: br %r14 |
Ulrich Weigand | 9dd23b8 | 2018-07-20 12:12:10 +0000 | [diff] [blame] | 96 | %f = load fp128, fp128 *%src |
Ulrich Weigand | f2968d5 | 2017-07-17 17:44:20 +0000 | [diff] [blame] | 97 | %conv = fptoui fp128 %f to i64 |
| 98 | ret i64 %conv |
| 99 | } |