| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-apple-macosx10.9 -verify-machineinstrs -mattr=cx16 | FileCheck %s |
| |
| ; FIXME: This test has a fatal error in 32-bit mode |
| |
| @fsc128 = external global fp128 |
| |
| define void @atomic_fetch_swapf128(fp128 %x) nounwind { |
| ; CHECK-LABEL: atomic_fetch_swapf128: |
| ; CHECK: ## %bb.0: |
| ; CHECK-NEXT: pushq %rbx |
| ; CHECK-NEXT: movq %rsi, %rcx |
| ; CHECK-NEXT: movq %rdi, %rbx |
| ; CHECK-NEXT: movq _fsc128@{{.*}}(%rip), %rsi |
| ; CHECK-NEXT: movq (%rsi), %rax |
| ; CHECK-NEXT: movq 8(%rsi), %rdx |
| ; CHECK-NEXT: .p2align 4, 0x90 |
| ; CHECK-NEXT: LBB0_1: ## %atomicrmw.start |
| ; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1 |
| ; CHECK-NEXT: lock cmpxchg16b (%rsi) |
| ; CHECK-NEXT: jne LBB0_1 |
| ; CHECK-NEXT: ## %bb.2: ## %atomicrmw.end |
| ; CHECK-NEXT: popq %rbx |
| ; CHECK-NEXT: retq |
| %t1 = atomicrmw xchg fp128* @fsc128, fp128 %x acquire |
| ret void |
| } |
