1 ; RUN: llc < %s -march=x86 -mcpu=corei7 | FileCheck %s 2 ; RUN: llc < %s -march=x86 -mcpu=core-avx-i | FileCheck %s --check-prefix=AVX 3 4 target triple = "i686-pc-linux-gnu" 5 6 define <1 x float> @test1(<1 x double> %x) nounwind { 7 ; CHECK-LABEL: test1: 8 ; CHECK: # BB#0: 9 ; CHECK-NEXT: pushl %eax 10 ; CHECK-NEXT: movsd {{[0-9]+}}(%esp), %xmm0 11 ; CHECK-NEXT: cvtsd2ss %xmm0, %xmm0 12 ; CHECK-NEXT: movss %xmm0, (%esp) 13 ; CHECK-NEXT: flds (%esp) 14 ; CHECK-NEXT: popl %eax 15 ; CHECK-NEXT: retl 16 ; 17 ; AVX-LABEL: test1: 18 ; AVX: # BB#0: 19 ; AVX-NEXT: pushl %eax 20 ; AVX-NEXT: vmovsd {{[0-9]+}}(%esp), %xmm0 21 ; AVX-NEXT: vcvtsd2ss %xmm0, %xmm0, %xmm0 22 ; AVX-NEXT: vmovss %xmm0, (%esp) 23 ; AVX-NEXT: flds (%esp) 24 ; AVX-NEXT: popl %eax 25 ; AVX-NEXT: retl 26 %y = fptrunc <1 x double> %x to <1 x float> 27 ret <1 x float> %y 28 } 29 30 define <2 x float> @test2(<2 x double> %x) nounwind { 31 ; CHECK-LABEL: test2: 32 ; CHECK: # BB#0: 33 ; CHECK-NEXT: cvtpd2ps %xmm0, %xmm0 34 ; CHECK-NEXT: retl 35 ; 36 ; AVX-LABEL: test2: 37 ; AVX: # BB#0: 38 ; AVX-NEXT: vcvtpd2ps %xmm0, %xmm0 39 ; AVX-NEXT: retl 40 %y = fptrunc <2 x double> %x to <2 x float> 41 ret <2 x float> %y 42 } 43 44 define <4 x float> @test3(<4 x double> %x) nounwind { 45 ; CHECK-LABEL: test3: 46 ; CHECK: # BB#0: 47 ; CHECK-NEXT: cvtpd2ps %xmm1, %xmm1 48 ; CHECK-NEXT: cvtpd2ps %xmm0, %xmm0 49 ; CHECK-NEXT: unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm1[0] 50 ; CHECK-NEXT: retl 51 ; 52 ; AVX-LABEL: test3: 53 ; AVX: # BB#0: 54 ; AVX-NEXT: vcvtpd2psy %ymm0, %xmm0 55 ; AVX-NEXT: vzeroupper 56 ; AVX-NEXT: retl 57 %y = fptrunc <4 x double> %x to <4 x float> 58 ret <4 x float> %y 59 } 60 61 define <8 x float> @test4(<8 x double> %x) nounwind { 62 ; CHECK-LABEL: test4: 63 ; CHECK: # BB#0: 64 ; CHECK-NEXT: subl $12, %esp 65 ; CHECK-NEXT: cvtpd2ps %xmm1, %xmm1 66 ; CHECK-NEXT: cvtpd2ps %xmm0, %xmm0 67 ; CHECK-NEXT: unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm1[0] 68 ; CHECK-NEXT: cvtpd2ps %xmm2, %xmm1 69 ; CHECK-NEXT: cvtpd2ps 16(%esp), %xmm2 70 ; CHECK-NEXT: unpcklpd {{.*#+}} xmm1 = xmm1[0],xmm2[0] 71 ; CHECK-NEXT: addl $12, %esp 72 ; CHECK-NEXT: retl 73 ; 74 ; AVX-LABEL: test4: 75 ; AVX: # BB#0: 76 ; AVX-NEXT: vcvtpd2psy %ymm0, %xmm0 77 ; AVX-NEXT: vcvtpd2psy %ymm1, %xmm1 78 ; AVX-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0 79 ; AVX-NEXT: retl 80 %y = fptrunc <8 x double> %x to <8 x float> 81 ret <8 x float> %y 82 } 83 84 85
