Ulrich Weigand | f2968d5 | 2017-07-17 17:44:20 +0000 | [diff] [blame] | 1 | ; Test loads of f128 floating-point constants on z14. |
| 2 | ; |
| 3 | ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s |
| 4 | ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s -check-prefix=CONST |
| 5 | |
| 6 | ; Test loading zero. |
Kai Nacke | a1710eb | 2022-10-11 20:59:16 +0000 | [diff] [blame] | 7 | define void @f1(ptr %x) { |
Ulrich Weigand | f2968d5 | 2017-07-17 17:44:20 +0000 | [diff] [blame] | 8 | ; CHECK-LABEL: f1: |
| 9 | ; CHECK: vzero [[REG:%v[0-9]+]] |
| 10 | ; CHECK: vst [[REG]], 0(%r2) |
| 11 | ; CHECK: br %r14 |
Kai Nacke | a1710eb | 2022-10-11 20:59:16 +0000 | [diff] [blame] | 12 | store fp128 0xL00000000000000000000000000000000, ptr %x |
Ulrich Weigand | f2968d5 | 2017-07-17 17:44:20 +0000 | [diff] [blame] | 13 | ret void |
| 14 | } |
| 15 | |
| 16 | ; Test loading of negative floating-point zero. |
Kai Nacke | a1710eb | 2022-10-11 20:59:16 +0000 | [diff] [blame] | 17 | define void @f2(ptr %x) { |
Ulrich Weigand | f2968d5 | 2017-07-17 17:44:20 +0000 | [diff] [blame] | 18 | ; CHECK-LABEL: f2: |
| 19 | ; CHECK: vzero [[REG:%v[0-9]+]] |
| 20 | ; CHECK: wflnxb [[REG]], [[REG]] |
| 21 | ; CHECK: vst [[REG]], 0(%r2) |
| 22 | ; CHECK: br %r14 |
Kai Nacke | a1710eb | 2022-10-11 20:59:16 +0000 | [diff] [blame] | 23 | store fp128 0xL00000000000000008000000000000000, ptr %x |
Ulrich Weigand | f2968d5 | 2017-07-17 17:44:20 +0000 | [diff] [blame] | 24 | ret void |
| 25 | } |
| 26 | |
| 27 | ; Test loading of a 128-bit floating-point constant. This value would |
| 28 | ; actually fit within the 32-bit format, but we don't have extending |
| 29 | ; loads into vector registers. |
Kai Nacke | a1710eb | 2022-10-11 20:59:16 +0000 | [diff] [blame] | 30 | define void @f3(ptr %x) { |
Ulrich Weigand | f2968d5 | 2017-07-17 17:44:20 +0000 | [diff] [blame] | 31 | ; CHECK-LABEL: f3: |
| 32 | ; CHECK: larl [[REGISTER:%r[1-5]+]], {{.*}} |
| 33 | ; CHECK: vl [[REG:%v[0-9]+]], 0([[REGISTER]]) |
| 34 | ; CHECK: vst [[REG]], 0(%r2) |
| 35 | ; CHECK: br %r14 |
Jinsong Ji | 01edae1 | 2020-02-06 16:12:10 +0000 | [diff] [blame] | 36 | ; CONST: .quad 0x3fff000002000000 |
| 37 | ; CONST: .quad 0x0 |
Kai Nacke | a1710eb | 2022-10-11 20:59:16 +0000 | [diff] [blame] | 38 | store fp128 0xL00000000000000003fff000002000000, ptr %x |
Ulrich Weigand | f2968d5 | 2017-07-17 17:44:20 +0000 | [diff] [blame] | 39 | ret void |
| 40 | } |
Jonas Paulsson | c110b5b | 2019-02-26 16:47:59 +0000 | [diff] [blame] | 41 | |
| 42 | ; Test that VGBM works. |
Kai Nacke | a1710eb | 2022-10-11 20:59:16 +0000 | [diff] [blame] | 43 | define void @f4(ptr %x) { |
Jonas Paulsson | c110b5b | 2019-02-26 16:47:59 +0000 | [diff] [blame] | 44 | ; CHECK-LABEL: f4: |
| 45 | ; CHECK: vgbm %v0, 21845 |
| 46 | ; CHECK-NEXT: vst %v0, 0(%r2) |
| 47 | ; CHECK-NEXT: br %r14 |
Kai Nacke | a1710eb | 2022-10-11 20:59:16 +0000 | [diff] [blame] | 48 | store fp128 0xL00ff00ff00ff00ff00ff00ff00ff00ff, ptr %x |
Jonas Paulsson | c110b5b | 2019-02-26 16:47:59 +0000 | [diff] [blame] | 49 | ret void |
| 50 | } |
| 51 | |
| 52 | ; Test that VREPI works. |
Kai Nacke | a1710eb | 2022-10-11 20:59:16 +0000 | [diff] [blame] | 53 | define void @f5(ptr %x) { |
Jonas Paulsson | c110b5b | 2019-02-26 16:47:59 +0000 | [diff] [blame] | 54 | ; CHECK-LABEL: f5: |
| 55 | ; CHECK: vrepib %v0, -8 |
| 56 | ; CHECK-NEXT: vst %v0, 0(%r2) |
| 57 | ; CHECK-NEXT: br %r14 |
Kai Nacke | a1710eb | 2022-10-11 20:59:16 +0000 | [diff] [blame] | 58 | store fp128 0xLf8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8, ptr %x |
Jonas Paulsson | c110b5b | 2019-02-26 16:47:59 +0000 | [diff] [blame] | 59 | ret void |
| 60 | } |
| 61 | |
| 62 | ; Test that VGM works. |
Kai Nacke | a1710eb | 2022-10-11 20:59:16 +0000 | [diff] [blame] | 63 | define void @f6(ptr %x) { |
Jonas Paulsson | c110b5b | 2019-02-26 16:47:59 +0000 | [diff] [blame] | 64 | ; CHECK-LABEL: f6: |
| 65 | ; CHECK: vgmg %v0, 12, 31 |
| 66 | ; CHECK-NEXT: vst %v0, 0(%r2) |
| 67 | ; CHECK-NEXT: br %r14 |
Kai Nacke | a1710eb | 2022-10-11 20:59:16 +0000 | [diff] [blame] | 68 | store fp128 0xL000fffff00000000000fffff00000000, ptr %x |
Jonas Paulsson | c110b5b | 2019-02-26 16:47:59 +0000 | [diff] [blame] | 69 | ret void |
| 70 | } |