| ; RUN: llc < %s -march=x86 -mcpu=corei7 | FileCheck %s |
| ; RUN: llc < %s -march=x86 -mcpu=core-avx-i | FileCheck %s --check-prefix=AVX |
| |
| define <1 x float> @test1(<1 x double> %x) nounwind { |
| ; CHECK-LABEL: test1: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: pushl %eax |
| ; CHECK-NEXT: movsd {{[0-9]+}}(%esp), %xmm0 |
| ; CHECK-NEXT: cvtsd2ss %xmm0, %xmm0 |
| ; CHECK-NEXT: movss %xmm0, (%esp) |
| ; CHECK-NEXT: flds (%esp) |
| ; CHECK-NEXT: popl %eax |
| ; CHECK-NEXT: retl |
| ; |
| ; AVX-LABEL: test1: |
| ; AVX: # BB#0: |
| ; AVX-NEXT: pushl %eax |
| ; AVX-NEXT: vmovsd {{[0-9]+}}(%esp), %xmm0 |
| ; AVX-NEXT: vcvtsd2ss %xmm0, %xmm0, %xmm0 |
| ; AVX-NEXT: vmovss %xmm0, (%esp) |
| ; AVX-NEXT: flds (%esp) |
| ; AVX-NEXT: popl %eax |
| ; AVX-NEXT: retl |
| %y = fptrunc <1 x double> %x to <1 x float> |
| ret <1 x float> %y |
| } |
| |
| define <2 x float> @test2(<2 x double> %x) nounwind { |
| ; CHECK-LABEL: test2: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: cvtpd2ps %xmm0, %xmm0 |
| ; CHECK-NEXT: retl |
| ; |
| ; AVX-LABEL: test2: |
| ; AVX: # BB#0: |
| ; AVX-NEXT: vcvtpd2ps %xmm0, %xmm0 |
| ; AVX-NEXT: retl |
| %y = fptrunc <2 x double> %x to <2 x float> |
| ret <2 x float> %y |
| } |
| |
| define <4 x float> @test3(<4 x double> %x) nounwind { |
| ; CHECK-LABEL: test3: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: cvtpd2ps %xmm1, %xmm1 |
| ; CHECK-NEXT: cvtpd2ps %xmm0, %xmm0 |
| ; CHECK-NEXT: unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm1[0] |
| ; CHECK-NEXT: retl |
| ; |
| ; AVX-LABEL: test3: |
| ; AVX: # BB#0: |
| ; AVX-NEXT: vcvtpd2psy %ymm0, %xmm0 |
| ; AVX-NEXT: vzeroupper |
| ; AVX-NEXT: retl |
| %y = fptrunc <4 x double> %x to <4 x float> |
| ret <4 x float> %y |
| } |
| |
| define <8 x float> @test4(<8 x double> %x) nounwind { |
| ; CHECK-LABEL: test4: |
| ; CHECK: # BB#0: |
| ; CHECK-NEXT: cvtpd2ps %xmm1, %xmm1 |
| ; CHECK-NEXT: cvtpd2ps %xmm0, %xmm0 |
| ; CHECK-NEXT: unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm1[0] |
| ; CHECK-NEXT: cvtpd2ps %xmm3, %xmm3 |
| ; CHECK-NEXT: cvtpd2ps %xmm2, %xmm1 |
| ; CHECK-NEXT: unpcklpd {{.*#+}} xmm1 = xmm1[0],xmm3[0] |
| ; CHECK-NEXT: retl |
| ; |
| ; AVX-LABEL: test4: |
| ; AVX: # BB#0: |
| ; AVX-NEXT: vcvtpd2psy %ymm0, %xmm0 |
| ; AVX-NEXT: vcvtpd2psy %ymm1, %xmm1 |
| ; AVX-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0 |
| ; AVX-NEXT: retl |
| %y = fptrunc <8 x double> %x to <8 x float> |
| ret <8 x float> %y |
| } |
| |
| |