1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+d,+zfh,+experimental-zfbfmin -verify-machineinstrs \
; RUN: -target-abi ilp32d < %s | FileCheck -check-prefix=CHECKIZFBFMIN %s
; RUN: llc -mtriple=riscv64 -mattr=+d,+zfh,+experimental-zfbfmin -verify-machineinstrs \
; RUN: -target-abi lp64d < %s | FileCheck -check-prefix=CHECKIZFBFMIN %s
define bfloat @bitcast_bf16_i16(i16 %a) nounwind {
; CHECKIZFBFMIN-LABEL: bitcast_bf16_i16:
; CHECKIZFBFMIN: # %bb.0:
; CHECKIZFBFMIN-NEXT: fmv.h.x fa0, a0
; CHECKIZFBFMIN-NEXT: ret
%1 = bitcast i16 %a to bfloat
ret bfloat %1
}
define i16 @bitcast_i16_bf16(bfloat %a) nounwind {
; CHECKIZFBFMIN-LABEL: bitcast_i16_bf16:
; CHECKIZFBFMIN: # %bb.0:
; CHECKIZFBFMIN-NEXT: fmv.x.h a0, fa0
; CHECKIZFBFMIN-NEXT: ret
%1 = bitcast bfloat %a to i16
ret i16 %1
}
define bfloat @fcvt_bf16_s(float %a) nounwind {
; CHECKIZFBFMIN-LABEL: fcvt_bf16_s:
; CHECKIZFBFMIN: # %bb.0:
; CHECKIZFBFMIN-NEXT: fcvt.bf16.s fa0, fa0
; CHECKIZFBFMIN-NEXT: ret
%1 = fptrunc float %a to bfloat
ret bfloat %1
}
define float @fcvt_s_bf16(bfloat %a) nounwind {
; CHECKIZFBFMIN-LABEL: fcvt_s_bf16:
; CHECKIZFBFMIN: # %bb.0:
; CHECKIZFBFMIN-NEXT: fcvt.s.bf16 fa0, fa0
; CHECKIZFBFMIN-NEXT: ret
%1 = fpext bfloat %a to float
ret float %1
}
define bfloat @fcvt_bf16_d(double %a) nounwind {
; CHECKIZFBFMIN-LABEL: fcvt_bf16_d:
; CHECKIZFBFMIN: # %bb.0:
; CHECKIZFBFMIN-NEXT: fcvt.s.d fa5, fa0
; CHECKIZFBFMIN-NEXT: fcvt.bf16.s fa0, fa5
; CHECKIZFBFMIN-NEXT: ret
%1 = fptrunc double %a to bfloat
ret bfloat %1
}
define double @fcvt_d_bf16(bfloat %a) nounwind {
; CHECKIZFBFMIN-LABEL: fcvt_d_bf16:
; CHECKIZFBFMIN: # %bb.0:
; CHECKIZFBFMIN-NEXT: fcvt.s.bf16 fa5, fa0
; CHECKIZFBFMIN-NEXT: fcvt.d.s fa0, fa5
; CHECKIZFBFMIN-NEXT: ret
%1 = fpext bfloat %a to double
ret double %1
}
define bfloat @bfloat_load(ptr %a) nounwind {
; CHECKIZFBFMIN-LABEL: bfloat_load:
; CHECKIZFBFMIN: # %bb.0:
; CHECKIZFBFMIN-NEXT: flh fa0, 6(a0)
; CHECKIZFBFMIN-NEXT: ret
%1 = getelementptr bfloat, ptr %a, i32 3
%2 = load bfloat, ptr %1
ret bfloat %2
}
define bfloat @bfloat_imm() nounwind {
; CHECKIZFBFMIN-LABEL: bfloat_imm:
; CHECKIZFBFMIN: # %bb.0:
; CHECKIZFBFMIN-NEXT: lui a0, %hi(.LCPI7_0)
; CHECKIZFBFMIN-NEXT: flh fa0, %lo(.LCPI7_0)(a0)
; CHECKIZFBFMIN-NEXT: ret
ret bfloat 3.0
}
define dso_local void @bfloat_store(ptr %a, bfloat %b) nounwind {
; CHECKIZFBFMIN-LABEL: bfloat_store:
; CHECKIZFBFMIN: # %bb.0:
; CHECKIZFBFMIN-NEXT: fsh fa0, 0(a0)
; CHECKIZFBFMIN-NEXT: fsh fa0, 16(a0)
; CHECKIZFBFMIN-NEXT: ret
store bfloat %b, ptr %a
%1 = getelementptr bfloat, ptr %a, i32 8
store bfloat %b, ptr %1
ret void
}
|
