1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=x86_64-apple-macosx10.9 -verify-machineinstrs -mattr=cx16 | FileCheck %s
3; RUN: llc < %s -mtriple=x86_64-apple-macosx10.9 -verify-machineinstrs -mattr=cx16 -mattr=-sse | FileCheck %s --check-prefix=NOSSE
4
5; FIXME: This test has a fatal error in 32-bit mode
6
7@fsc128 = external global fp128
8
9define void @atomic_fetch_swapf128(fp128 %x) nounwind {
10; CHECK-LABEL: atomic_fetch_swapf128:
11; CHECK:       ## %bb.0:
12; CHECK-NEXT:    pushq %rbx
13; CHECK-NEXT:    movaps %xmm0, -{{[0-9]+}}(%rsp)
14; CHECK-NEXT:    movq -{{[0-9]+}}(%rsp), %rbx
15; CHECK-NEXT:    movq -{{[0-9]+}}(%rsp), %rcx
16; CHECK-NEXT:    movq _fsc128@GOTPCREL(%rip), %rsi
17; CHECK-NEXT:    movq (%rsi), %rax
18; CHECK-NEXT:    movq 8(%rsi), %rdx
19; CHECK-NEXT:    .p2align 4, 0x90
20; CHECK-NEXT:  LBB0_1: ## %atomicrmw.start
21; CHECK-NEXT:    ## =>This Inner Loop Header: Depth=1
22; CHECK-NEXT:    lock cmpxchg16b (%rsi)
23; CHECK-NEXT:    jne LBB0_1
24; CHECK-NEXT:  ## %bb.2: ## %atomicrmw.end
25; CHECK-NEXT:    popq %rbx
26; CHECK-NEXT:    retq
27;
28; NOSSE-LABEL: atomic_fetch_swapf128:
29; NOSSE:       ## %bb.0:
30; NOSSE-NEXT:    pushq %rbx
31; NOSSE-NEXT:    movq %rsi, %rcx
32; NOSSE-NEXT:    movq %rdi, %rbx
33; NOSSE-NEXT:    movq _fsc128@GOTPCREL(%rip), %rsi
34; NOSSE-NEXT:    movq (%rsi), %rax
35; NOSSE-NEXT:    movq 8(%rsi), %rdx
36; NOSSE-NEXT:    .p2align 4, 0x90
37; NOSSE-NEXT:  LBB0_1: ## %atomicrmw.start
38; NOSSE-NEXT:    ## =>This Inner Loop Header: Depth=1
39; NOSSE-NEXT:    lock cmpxchg16b (%rsi)
40; NOSSE-NEXT:    jne LBB0_1
41; NOSSE-NEXT:  ## %bb.2: ## %atomicrmw.end
42; NOSSE-NEXT:    popq %rbx
43; NOSSE-NEXT:    retq
44  %t1 = atomicrmw xchg ptr @fsc128, fp128 %x acquire
45  ret void
46}
47