212 lines
4.8 KiB
LLVM
212 lines
4.8 KiB
LLVM
; RUN: llc < %s -O0 -march=x86 -mcpu=corei7 -verify-machineinstrs | FileCheck %s --check-prefix X32
|
|
|
|
@sc64 = external global i64
|
|
|
|
define void @atomic_fetch_add64() nounwind {
|
|
; X32-LABEL: atomic_fetch_add64:
|
|
entry:
|
|
%t1 = atomicrmw add i64* @sc64, i64 1 acquire
|
|
; X32: addl
|
|
; X32: adcl
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
%t2 = atomicrmw add i64* @sc64, i64 3 acquire
|
|
; X32: addl
|
|
; X32: adcl
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
%t3 = atomicrmw add i64* @sc64, i64 5 acquire
|
|
; X32: addl
|
|
; X32: adcl
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
%t4 = atomicrmw add i64* @sc64, i64 %t3 acquire
|
|
; X32: addl
|
|
; X32: adcl
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
ret void
|
|
; X32: ret
|
|
}
|
|
|
|
define void @atomic_fetch_sub64() nounwind {
|
|
; X32-LABEL: atomic_fetch_sub64:
|
|
%t1 = atomicrmw sub i64* @sc64, i64 1 acquire
|
|
; X32: addl $-1
|
|
; X32: adcl $-1
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
%t2 = atomicrmw sub i64* @sc64, i64 3 acquire
|
|
; X32: addl $-3
|
|
; X32: adcl $-1
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
%t3 = atomicrmw sub i64* @sc64, i64 5 acquire
|
|
; X32: addl $-5
|
|
; X32: adcl $-1
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
%t4 = atomicrmw sub i64* @sc64, i64 %t3 acquire
|
|
; X32: subl
|
|
; X32: sbbl
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
ret void
|
|
; X32: ret
|
|
}
|
|
|
|
define void @atomic_fetch_and64() nounwind {
|
|
; X32-LABEL: atomic_fetch_and64:
|
|
%t1 = atomicrmw and i64* @sc64, i64 3 acquire
|
|
; X32: andl $3
|
|
; X32-NOT: andl
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
%t2 = atomicrmw and i64* @sc64, i64 4294967297 acquire
|
|
; X32: andl $1
|
|
; X32: andl $1
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
%t3 = atomicrmw and i64* @sc64, i64 %t2 acquire
|
|
; X32: andl
|
|
; X32: andl
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
ret void
|
|
; X32: ret
|
|
}
|
|
|
|
define void @atomic_fetch_or64() nounwind {
|
|
; X32-LABEL: atomic_fetch_or64:
|
|
%t1 = atomicrmw or i64* @sc64, i64 3 acquire
|
|
; X32: orl $3
|
|
; X32-NOT: orl
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
%t2 = atomicrmw or i64* @sc64, i64 4294967297 acquire
|
|
; X32: orl $1
|
|
; X32: orl $1
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
%t3 = atomicrmw or i64* @sc64, i64 %t2 acquire
|
|
; X32: orl
|
|
; X32: orl
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
ret void
|
|
; X32: ret
|
|
}
|
|
|
|
define void @atomic_fetch_xor64() nounwind {
|
|
; X32-LABEL: atomic_fetch_xor64:
|
|
%t1 = atomicrmw xor i64* @sc64, i64 3 acquire
|
|
; X32: xorl
|
|
; X32-NOT: xorl
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
%t2 = atomicrmw xor i64* @sc64, i64 4294967297 acquire
|
|
; X32: xorl $1
|
|
; X32: xorl $1
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
%t3 = atomicrmw xor i64* @sc64, i64 %t2 acquire
|
|
; X32: xorl
|
|
; X32: xorl
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
ret void
|
|
; X32: ret
|
|
}
|
|
|
|
define void @atomic_fetch_nand64(i64 %x) nounwind {
|
|
; X32-LABEL: atomic_fetch_nand64:
|
|
%t1 = atomicrmw nand i64* @sc64, i64 %x acquire
|
|
; X32: andl
|
|
; X32: andl
|
|
; X32: notl
|
|
; X32: notl
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
ret void
|
|
; X32: ret
|
|
}
|
|
|
|
define void @atomic_fetch_max64(i64 %x) nounwind {
|
|
; X32-LABEL: atomic_fetch_max64:
|
|
%t1 = atomicrmw max i64* @sc64, i64 %x acquire
|
|
; X32: subl
|
|
; X32: subl
|
|
; X32: cmov
|
|
; X32: cmov
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
ret void
|
|
; X32: ret
|
|
}
|
|
|
|
define void @atomic_fetch_min64(i64 %x) nounwind {
|
|
; X32-LABEL: atomic_fetch_min64:
|
|
%t1 = atomicrmw min i64* @sc64, i64 %x acquire
|
|
; X32: subl
|
|
; X32: subl
|
|
; X32: cmov
|
|
; X32: cmov
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
ret void
|
|
; X32: ret
|
|
}
|
|
|
|
define void @atomic_fetch_umax64(i64 %x) nounwind {
|
|
; X32-LABEL: atomic_fetch_umax64:
|
|
%t1 = atomicrmw umax i64* @sc64, i64 %x acquire
|
|
; X32: subl
|
|
; X32: subl
|
|
; X32: cmov
|
|
; X32: cmov
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
ret void
|
|
; X32: ret
|
|
}
|
|
|
|
define void @atomic_fetch_umin64(i64 %x) nounwind {
|
|
; X32-LABEL: atomic_fetch_umin64:
|
|
%t1 = atomicrmw umin i64* @sc64, i64 %x acquire
|
|
; X32: subl
|
|
; X32: subl
|
|
; X32: cmov
|
|
; X32: cmov
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
ret void
|
|
; X32: ret
|
|
}
|
|
|
|
define void @atomic_fetch_cmpxchg64() nounwind {
|
|
; X32-LABEL: atomic_fetch_cmpxchg64:
|
|
%t1 = cmpxchg i64* @sc64, i64 0, i64 1 acquire acquire
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
ret void
|
|
; X32: ret
|
|
}
|
|
|
|
define void @atomic_fetch_store64(i64 %x) nounwind {
|
|
; X32-LABEL: atomic_fetch_store64:
|
|
store atomic i64 %x, i64* @sc64 release, align 8
|
|
; X32: lock
|
|
; X32: cmpxchg8b
|
|
ret void
|
|
; X32: ret
|
|
}
|
|
|
|
define void @atomic_fetch_swap64(i64 %x) nounwind {
|
|
; X32-LABEL: atomic_fetch_swap64:
|
|
%t1 = atomicrmw xchg i64* @sc64, i64 %x acquire
|
|
; X32: lock
|
|
; X32: xchg8b
|
|
ret void
|
|
; X32: ret
|
|
}
|