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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s --check-prefix=X64
; RUN: llc < %s -mtriple=i386-unknown | FileCheck %s --check-prefix=X86
define i128 @foo(i128 %t, i128 %u) {
; X64-LABEL: foo:
; X64: # %bb.0:
; X64-NEXT: movq %rdx, %r8
; X64-NEXT: movq %rdi, %rax
; X64-NEXT: imulq %rdi, %rcx
; X64-NEXT: mulq %rdx
; X64-NEXT: addq %rcx, %rdx
; X64-NEXT: imulq %r8, %rsi
; X64-NEXT: addq %rsi, %rdx
; X64-NEXT: retq
;
; X86-LABEL: foo:
; X86: # %bb.0:
; X86-NEXT: pushl %ebp
; X86-NEXT: .cfi_def_cfa_offset 8
; X86-NEXT: pushl %ebx
; X86-NEXT: .cfi_def_cfa_offset 12
; X86-NEXT: pushl %edi
; X86-NEXT: .cfi_def_cfa_offset 16
; X86-NEXT: pushl %esi
; X86-NEXT: .cfi_def_cfa_offset 20
; X86-NEXT: subl $8, %esp
; X86-NEXT: .cfi_def_cfa_offset 28
; X86-NEXT: .cfi_offset %esi, -20
; X86-NEXT: .cfi_offset %edi, -16
; X86-NEXT: .cfi_offset %ebx, -12
; X86-NEXT: .cfi_offset %ebp, -8
; X86-NEXT: movl {{[0-9]+}}(%esp), %edx
; X86-NEXT: movl {{[0-9]+}}(%esp), %edi
; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
; X86-NEXT: imull %edx, %esi
; X86-NEXT: movl %edi, %eax
; X86-NEXT: mull %edx
; X86-NEXT: movl %eax, %ebx
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: imull %edi, %ecx
; X86-NEXT: addl %edx, %ecx
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: addl %esi, %ecx
; X86-NEXT: movl %eax, %esi
; X86-NEXT: imull {{[0-9]+}}(%esp), %esi
; X86-NEXT: movl {{[0-9]+}}(%esp), %ebp
; X86-NEXT: mull %ebp
; X86-NEXT: addl %esi, %edx
; X86-NEXT: movl {{[0-9]+}}(%esp), %edi
; X86-NEXT: imull %ebp, %edi
; X86-NEXT: addl %edx, %edi
; X86-NEXT: addl %ebx, %eax
; X86-NEXT: movl %eax, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
; X86-NEXT: adcl %ecx, %edi
; X86-NEXT: movl %ebp, %eax
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: mull %ecx
; X86-NEXT: movl %edx, %ebx
; X86-NEXT: movl %eax, (%esp) # 4-byte Spill
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: mull %ecx
; X86-NEXT: movl %edx, %esi
; X86-NEXT: movl %eax, %ecx
; X86-NEXT: addl %ebx, %ecx
; X86-NEXT: adcl $0, %esi
; X86-NEXT: movl %ebp, %eax
; X86-NEXT: mull {{[0-9]+}}(%esp)
; X86-NEXT: movl %edx, %ebx
; X86-NEXT: movl %eax, %ebp
; X86-NEXT: addl %ecx, %ebp
; X86-NEXT: adcl %esi, %ebx
; X86-NEXT: setb %cl
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: mull {{[0-9]+}}(%esp)
; X86-NEXT: addl %ebx, %eax
; X86-NEXT: movzbl %cl, %ecx
; X86-NEXT: adcl %ecx, %edx
; X86-NEXT: addl {{[-0-9]+}}(%e{{[sb]}}p), %eax # 4-byte Folded Reload
; X86-NEXT: adcl %edi, %edx
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: movl (%esp), %esi # 4-byte Reload
; X86-NEXT: movl %esi, (%ecx)
; X86-NEXT: movl %ebp, 4(%ecx)
; X86-NEXT: movl %eax, 8(%ecx)
; X86-NEXT: movl %edx, 12(%ecx)
; X86-NEXT: movl %ecx, %eax
; X86-NEXT: addl $8, %esp
; X86-NEXT: .cfi_def_cfa_offset 20
; X86-NEXT: popl %esi
; X86-NEXT: .cfi_def_cfa_offset 16
; X86-NEXT: popl %edi
; X86-NEXT: .cfi_def_cfa_offset 12
; X86-NEXT: popl %ebx
; X86-NEXT: .cfi_def_cfa_offset 8
; X86-NEXT: popl %ebp
; X86-NEXT: .cfi_def_cfa_offset 4
; X86-NEXT: retl $4
%k = mul i128 %t, %u
ret i128 %k
}
@aaa = external global i128
@bbb = external global i128
define void @PR13897() nounwind {
; X64-LABEL: PR13897:
; X64: # %bb.0: # %"0x0"
; X64-NEXT: movl {{.*}}(%rip), %ecx
; X64-NEXT: movabsq $4294967297, %rdx # imm = 0x100000001
; X64-NEXT: movq %rcx, %rax
; X64-NEXT: mulq %rdx
; X64-NEXT: addq %rcx, %rdx
; X64-NEXT: shlq $32, %rcx
; X64-NEXT: addq %rcx, %rdx
; X64-NEXT: movq %rax, {{.*}}(%rip)
; X64-NEXT: movq %rdx, aaa+{{.*}}(%rip)
; X64-NEXT: retq
;
; X86-LABEL: PR13897:
; X86: # %bb.0: # %"0x0"
; X86-NEXT: movl bbb, %eax
; X86-NEXT: movl %eax, aaa+12
; X86-NEXT: movl %eax, aaa+8
; X86-NEXT: movl %eax, aaa+4
; X86-NEXT: movl %eax, aaa
; X86-NEXT: retl
"0x0":
%0 = load i128, i128* @bbb
%1 = and i128 %0, 4294967295
%2 = shl i128 %0, 96
%3 = mul i128 %1, 18446744078004518913
%4 = add i128 %3, %2
store i128 %4, i128* @aaa
ret void
}
|