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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mcpu=corei7 -mtriple=i686-- -verify-machineinstrs | FileCheck %s --check-prefix=CHECK --check-prefix=SSE42
; RUN: llc < %s -mtriple=i686-- -verify-machineinstrs | FileCheck %s --check-prefix=CHECK --check-prefix=NOSSE
; 64-bit load/store on x86-32
; FIXME: The generated code can be substantially improved.
define void @test1(i64* %ptr, i64 %val1) {
; SSE42-LABEL: test1:
; SSE42: # %bb.0:
; SSE42-NEXT: movl {{[0-9]+}}(%esp), %eax
; SSE42-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
; SSE42-NEXT: movlps %xmm0, (%eax)
; SSE42-NEXT: lock orl $0, (%esp)
; SSE42-NEXT: retl
;
; NOSSE-LABEL: test1:
; NOSSE: # %bb.0:
; NOSSE-NEXT: pushl %ebx
; NOSSE-NEXT: .cfi_def_cfa_offset 8
; NOSSE-NEXT: pushl %esi
; NOSSE-NEXT: .cfi_def_cfa_offset 12
; NOSSE-NEXT: .cfi_offset %esi, -12
; NOSSE-NEXT: .cfi_offset %ebx, -8
; NOSSE-NEXT: movl {{[0-9]+}}(%esp), %ecx
; NOSSE-NEXT: movl {{[0-9]+}}(%esp), %ebx
; NOSSE-NEXT: movl {{[0-9]+}}(%esp), %esi
; NOSSE-NEXT: movl (%esi), %eax
; NOSSE-NEXT: movl 4(%esi), %edx
; NOSSE-NEXT: .p2align 4, 0x90
; NOSSE-NEXT: .LBB0_1: # %atomicrmw.start
; NOSSE-NEXT: # =>This Inner Loop Header: Depth=1
; NOSSE-NEXT: lock cmpxchg8b (%esi)
; NOSSE-NEXT: jne .LBB0_1
; NOSSE-NEXT: # %bb.2: # %atomicrmw.end
; NOSSE-NEXT: popl %esi
; NOSSE-NEXT: .cfi_def_cfa_offset 8
; NOSSE-NEXT: popl %ebx
; NOSSE-NEXT: .cfi_def_cfa_offset 4
; NOSSE-NEXT: retl
store atomic i64 %val1, i64* %ptr seq_cst, align 8
ret void
}
define i64 @test2(i64* %ptr) {
; SSE42-LABEL: test2:
; SSE42: # %bb.0:
; SSE42-NEXT: movl {{[0-9]+}}(%esp), %eax
; SSE42-NEXT: movq {{.*#+}} xmm0 = mem[0],zero
; SSE42-NEXT: movd %xmm0, %eax
; SSE42-NEXT: pextrd $1, %xmm0, %edx
; SSE42-NEXT: retl
;
; NOSSE-LABEL: test2:
; NOSSE: # %bb.0:
; NOSSE-NEXT: pushl %ebp
; NOSSE-NEXT: .cfi_def_cfa_offset 8
; NOSSE-NEXT: .cfi_offset %ebp, -8
; NOSSE-NEXT: movl %esp, %ebp
; NOSSE-NEXT: .cfi_def_cfa_register %ebp
; NOSSE-NEXT: andl $-8, %esp
; NOSSE-NEXT: subl $8, %esp
; NOSSE-NEXT: movl 8(%ebp), %eax
; NOSSE-NEXT: fildll (%eax)
; NOSSE-NEXT: fistpll (%esp)
; NOSSE-NEXT: movl (%esp), %eax
; NOSSE-NEXT: movl {{[0-9]+}}(%esp), %edx
; NOSSE-NEXT: movl %ebp, %esp
; NOSSE-NEXT: popl %ebp
; NOSSE-NEXT: .cfi_def_cfa %esp, 4
; NOSSE-NEXT: retl
%val = load atomic i64, i64* %ptr seq_cst, align 8
ret i64 %val
}
; Same as test2, but with noimplicitfloat.
define i64 @test3(i64* %ptr) noimplicitfloat {
; CHECK-LABEL: test3:
; CHECK: # %bb.0:
; CHECK-NEXT: pushl %ebx
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: pushl %esi
; CHECK-NEXT: .cfi_def_cfa_offset 12
; CHECK-NEXT: .cfi_offset %esi, -12
; CHECK-NEXT: .cfi_offset %ebx, -8
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %esi
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: xorl %edx, %edx
; CHECK-NEXT: xorl %ecx, %ecx
; CHECK-NEXT: xorl %ebx, %ebx
; CHECK-NEXT: lock cmpxchg8b (%esi)
; CHECK-NEXT: popl %esi
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: popl %ebx
; CHECK-NEXT: .cfi_def_cfa_offset 4
; CHECK-NEXT: retl
%val = load atomic i64, i64* %ptr seq_cst, align 8
ret i64 %val
}
define i64 @test4(i64* %ptr) {
; SSE42-LABEL: test4:
; SSE42: # %bb.0:
; SSE42-NEXT: movl {{[0-9]+}}(%esp), %eax
; SSE42-NEXT: movq {{.*#+}} xmm0 = mem[0],zero
; SSE42-NEXT: movd %xmm0, %eax
; SSE42-NEXT: pextrd $1, %xmm0, %edx
; SSE42-NEXT: retl
;
; NOSSE-LABEL: test4:
; NOSSE: # %bb.0:
; NOSSE-NEXT: pushl %ebp
; NOSSE-NEXT: .cfi_def_cfa_offset 8
; NOSSE-NEXT: .cfi_offset %ebp, -8
; NOSSE-NEXT: movl %esp, %ebp
; NOSSE-NEXT: .cfi_def_cfa_register %ebp
; NOSSE-NEXT: andl $-8, %esp
; NOSSE-NEXT: subl $8, %esp
; NOSSE-NEXT: movl 8(%ebp), %eax
; NOSSE-NEXT: fildll (%eax)
; NOSSE-NEXT: fistpll (%esp)
; NOSSE-NEXT: movl (%esp), %eax
; NOSSE-NEXT: movl {{[0-9]+}}(%esp), %edx
; NOSSE-NEXT: movl %ebp, %esp
; NOSSE-NEXT: popl %ebp
; NOSSE-NEXT: .cfi_def_cfa %esp, 4
; NOSSE-NEXT: retl
%val = load atomic volatile i64, i64* %ptr seq_cst, align 8
ret i64 %val
}
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