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
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
; Test long double atomic loads on z14.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
define void @f1(ptr %ret, ptr %src) {
; CHECK-LABEL: f1:
; CHECK: # %bb.0:
; CHECK-NEXT: lpq %r0, 0(%r3)
; CHECK-NEXT: stg %r1, 8(%r2)
; CHECK-NEXT: stg %r0, 0(%r2)
; CHECK-NEXT: br %r14
%val = load atomic fp128, ptr %src seq_cst, align 16
store fp128 %val, ptr %ret, align 8
ret void
}
define void @f1_fpuse(ptr %ret, ptr %src) {
; CHECK-LABEL: f1_fpuse:
; CHECK: # %bb.0:
; CHECK-NEXT: lpq %r0, 0(%r3)
; CHECK-NEXT: vlvgp %v0, %r0, %r1
; CHECK-NEXT: wfaxb %v0, %v0, %v0
; CHECK-NEXT: vst %v0, 0(%r2), 3
; CHECK-NEXT: br %r14
%val = load atomic fp128, ptr %src seq_cst, align 16
%use = fadd fp128 %val, %val
store fp128 %use, ptr %ret, align 8
ret void
}
define void @f2(ptr %ret, ptr %src) {
; CHECK-LABEL: f2:
; CHECK: # %bb.0:
; CHECK-NEXT: stmg %r13, %r15, 104(%r15)
; CHECK-NEXT: .cfi_offset %r13, -56
; CHECK-NEXT: .cfi_offset %r14, -48
; CHECK-NEXT: .cfi_offset %r15, -40
; CHECK-NEXT: aghi %r15, -176
; CHECK-NEXT: .cfi_def_cfa_offset 336
; CHECK-NEXT: lgr %r13, %r2
; CHECK-NEXT: la %r4, 160(%r15)
; CHECK-NEXT: lghi %r2, 16
; CHECK-NEXT: lhi %r5, 5
; CHECK-NEXT: brasl %r14, __atomic_load@PLT
; CHECK-NEXT: vl %v0, 160(%r15), 3
; CHECK-NEXT: vst %v0, 0(%r13), 3
; CHECK-NEXT: lmg %r13, %r15, 280(%r15)
; CHECK-NEXT: br %r14
%val = load atomic fp128, ptr %src seq_cst, align 8
store fp128 %val, ptr %ret, align 8
ret void
}
define void @f2_fpuse(ptr %ret, ptr %src) {
; CHECK-LABEL: f2_fpuse:
; CHECK: # %bb.0:
; CHECK-NEXT: stmg %r13, %r15, 104(%r15)
; CHECK-NEXT: .cfi_offset %r13, -56
; CHECK-NEXT: .cfi_offset %r14, -48
; CHECK-NEXT: .cfi_offset %r15, -40
; CHECK-NEXT: aghi %r15, -176
; CHECK-NEXT: .cfi_def_cfa_offset 336
; CHECK-NEXT: lgr %r13, %r2
; CHECK-NEXT: la %r4, 160(%r15)
; CHECK-NEXT: lghi %r2, 16
; CHECK-NEXT: lhi %r5, 5
; CHECK-NEXT: brasl %r14, __atomic_load@PLT
; CHECK-NEXT: vl %v0, 160(%r15), 3
; CHECK-NEXT: wfaxb %v0, %v0, %v0
; CHECK-NEXT: vst %v0, 0(%r13), 3
; CHECK-NEXT: lmg %r13, %r15, 280(%r15)
; CHECK-NEXT: br %r14
%val = load atomic fp128, ptr %src seq_cst, align 8
%use = fadd fp128 %val, %val
store fp128 %use, ptr %ret, align 8
ret void
}
|
