xref: /llvm-project/llvm/test/CodeGen/RISCV/rvv/fixed-vectors-fp-conv.ll (revision 1cb599835ccf7ee8b2d1d5a7f3107e19a26fc6f5)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=riscv32 -target-abi=ilp32d -mattr=+v,+zvfh,+f,+d -verify-machineinstrs < %s | FileCheck %s
3; RUN: llc -mtriple=riscv64 -target-abi=lp64d -mattr=+v,+zvfh,+f,+d -verify-machineinstrs < %s | FileCheck %s
4
5define void @fpext_v2f16_v2f32(ptr %x, ptr %y) {
6; CHECK-LABEL: fpext_v2f16_v2f32:
7; CHECK:       # %bb.0:
8; CHECK-NEXT:    vsetivli zero, 2, e16, mf4, ta, ma
9; CHECK-NEXT:    vle16.v v8, (a0)
10; CHECK-NEXT:    vfwcvt.f.f.v v9, v8
11; CHECK-NEXT:    vse32.v v9, (a1)
12; CHECK-NEXT:    ret
13  %a = load <2 x half>, ptr %x
14  %d = fpext <2 x half> %a to <2 x float>
15  store <2 x float> %d, ptr %y
16  ret void
17}
18
19define void @fpext_v2f16_v2f64(ptr %x, ptr %y) {
20; CHECK-LABEL: fpext_v2f16_v2f64:
21; CHECK:       # %bb.0:
22; CHECK-NEXT:    vsetivli zero, 2, e16, mf4, ta, ma
23; CHECK-NEXT:    vle16.v v8, (a0)
24; CHECK-NEXT:    vfwcvt.f.f.v v9, v8
25; CHECK-NEXT:    vsetvli zero, zero, e32, mf2, ta, ma
26; CHECK-NEXT:    vfwcvt.f.f.v v8, v9
27; CHECK-NEXT:    vse64.v v8, (a1)
28; CHECK-NEXT:    ret
29  %a = load <2 x half>, ptr %x
30  %d = fpext <2 x half> %a to <2 x double>
31  store <2 x double> %d, ptr %y
32  ret void
33}
34
35define void @fpext_v8f16_v8f32(ptr %x, ptr %y) {
36; CHECK-LABEL: fpext_v8f16_v8f32:
37; CHECK:       # %bb.0:
38; CHECK-NEXT:    vsetivli zero, 8, e16, m1, ta, ma
39; CHECK-NEXT:    vle16.v v8, (a0)
40; CHECK-NEXT:    vfwcvt.f.f.v v10, v8
41; CHECK-NEXT:    vse32.v v10, (a1)
42; CHECK-NEXT:    ret
43  %a = load <8 x half>, ptr %x
44  %d = fpext <8 x half> %a to <8 x float>
45  store <8 x float> %d, ptr %y
46  ret void
47}
48
49define void @fpext_v8f16_v8f64(ptr %x, ptr %y) {
50; CHECK-LABEL: fpext_v8f16_v8f64:
51; CHECK:       # %bb.0:
52; CHECK-NEXT:    vsetivli zero, 8, e16, m1, ta, ma
53; CHECK-NEXT:    vle16.v v8, (a0)
54; CHECK-NEXT:    vfwcvt.f.f.v v10, v8
55; CHECK-NEXT:    vsetvli zero, zero, e32, m2, ta, ma
56; CHECK-NEXT:    vfwcvt.f.f.v v12, v10
57; CHECK-NEXT:    vse64.v v12, (a1)
58; CHECK-NEXT:    ret
59  %a = load <8 x half>, ptr %x
60  %d = fpext <8 x half> %a to <8 x double>
61  store <8 x double> %d, ptr %y
62  ret void
63}
64
65define void @fpround_v2f32_v2f16(ptr %x, ptr %y) {
66; CHECK-LABEL: fpround_v2f32_v2f16:
67; CHECK:       # %bb.0:
68; CHECK-NEXT:    vsetivli zero, 2, e16, mf4, ta, ma
69; CHECK-NEXT:    vle32.v v8, (a0)
70; CHECK-NEXT:    vfncvt.f.f.w v9, v8
71; CHECK-NEXT:    vse16.v v9, (a1)
72; CHECK-NEXT:    ret
73  %a = load <2 x float>, ptr %x
74  %d = fptrunc <2 x float> %a to <2 x half>
75  store <2 x half> %d, ptr %y
76  ret void
77}
78
79define void @fpround_v2f64_v2f16(ptr %x, ptr %y) {
80; CHECK-LABEL: fpround_v2f64_v2f16:
81; CHECK:       # %bb.0:
82; CHECK-NEXT:    vsetivli zero, 2, e32, mf2, ta, ma
83; CHECK-NEXT:    vle64.v v8, (a0)
84; CHECK-NEXT:    vfncvt.rod.f.f.w v9, v8
85; CHECK-NEXT:    vsetvli zero, zero, e16, mf4, ta, ma
86; CHECK-NEXT:    vfncvt.f.f.w v8, v9
87; CHECK-NEXT:    vse16.v v8, (a1)
88; CHECK-NEXT:    ret
89  %a = load <2 x double>, ptr %x
90  %d = fptrunc <2 x double> %a to <2 x half>
91  store <2 x half> %d, ptr %y
92  ret void
93}
94
95define void @fpround_v8f32_v8f16(ptr %x, ptr %y) {
96; CHECK-LABEL: fpround_v8f32_v8f16:
97; CHECK:       # %bb.0:
98; CHECK-NEXT:    vsetivli zero, 8, e16, m1, ta, ma
99; CHECK-NEXT:    vle32.v v8, (a0)
100; CHECK-NEXT:    vfncvt.f.f.w v10, v8
101; CHECK-NEXT:    vse16.v v10, (a1)
102; CHECK-NEXT:    ret
103  %a = load <8 x float>, ptr %x
104  %d = fptrunc <8 x float> %a to <8 x half>
105  store <8 x half> %d, ptr %y
106  ret void
107}
108
109define void @fpround_v8f64_v8f16(ptr %x, ptr %y) {
110; CHECK-LABEL: fpround_v8f64_v8f16:
111; CHECK:       # %bb.0:
112; CHECK-NEXT:    vsetivli zero, 8, e32, m2, ta, ma
113; CHECK-NEXT:    vle64.v v8, (a0)
114; CHECK-NEXT:    vfncvt.rod.f.f.w v12, v8
115; CHECK-NEXT:    vsetvli zero, zero, e16, m1, ta, ma
116; CHECK-NEXT:    vfncvt.f.f.w v8, v12
117; CHECK-NEXT:    vse16.v v8, (a1)
118; CHECK-NEXT:    ret
119  %a = load <8 x double>, ptr %x
120  %d = fptrunc <8 x double> %a to <8 x half>
121  store <8 x half> %d, ptr %y
122  ret void
123}
124