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
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i386-apple-darwin -mattr=+mmx | FileCheck %s --check-prefix=X86-32
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+mmx,+sse2 | FileCheck %s --check-prefix=X86-64
;
; On Darwin x86-32, v8i8, v4i16, v2i32 values are passed in MM[0-2].
; On Darwin x86-32, v1i64 values are passed in memory. In this example, they
; are never moved into an MM register at all.
; On Darwin x86-64, v8i8, v4i16, v2i32 values are passed in XMM[0-7].
; On Darwin x86-64, v1i64 values are passed in 64-bit GPRs.
@u1 = external global x86_mmx
define void @t1(x86_mmx %v1) nounwind {
; X86-32-LABEL: t1:
; X86-32: ## %bb.0:
; X86-32-NEXT: movl L_u1$non_lazy_ptr, %eax
; X86-32-NEXT: movq %mm0, (%eax)
; X86-32-NEXT: retl
;
; X86-64-LABEL: t1:
; X86-64: ## %bb.0:
; X86-64-NEXT: movdq2q %xmm0, %mm0
; X86-64-NEXT: movq _u1@{{.*}}(%rip), %rax
; X86-64-NEXT: movq %mm0, (%rax)
; X86-64-NEXT: retq
store x86_mmx %v1, x86_mmx* @u1, align 8
ret void
}
@u2 = external global x86_mmx
define void @t2(<1 x i64> %v1) nounwind {
; X86-32-LABEL: t2:
; X86-32: ## %bb.0:
; X86-32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-32-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X86-32-NEXT: movl L_u2$non_lazy_ptr, %edx
; X86-32-NEXT: movl %ecx, 4(%edx)
; X86-32-NEXT: movl %eax, (%edx)
; X86-32-NEXT: retl
;
; X86-64-LABEL: t2:
; X86-64: ## %bb.0:
; X86-64-NEXT: movq _u2@{{.*}}(%rip), %rax
; X86-64-NEXT: movq %rdi, (%rax)
; X86-64-NEXT: retq
%tmp = bitcast <1 x i64> %v1 to x86_mmx
store x86_mmx %tmp, x86_mmx* @u2, align 8
ret void
}
|
