Index: lib/Target/X86/X86InstrInfo.cpp =================================================================== --- lib/Target/X86/X86InstrInfo.cpp +++ lib/Target/X86/X86InstrInfo.cpp @@ -449,6 +449,8 @@ { X86::CVTSS2SI64rr, X86::CVTSS2SI64rm, 0 }, { X86::CVTSS2SIrr, X86::CVTSS2SIrm, 0 }, { X86::CVTDQ2PSrr, X86::CVTDQ2PSrm, TB_ALIGN_16 }, + { X86::CVTPD2DQrr, X86::CVTPD2DQrm, TB_ALIGN_16 }, + { X86::CVTPS2DQrr, X86::CVTPS2DQrm, TB_ALIGN_16 }, { X86::CVTTPD2DQrr, X86::CVTTPD2DQrm, TB_ALIGN_16 }, { X86::CVTTPS2DQrr, X86::CVTTPS2DQrm, TB_ALIGN_16 }, { X86::Int_CVTTSD2SI64rr,X86::Int_CVTTSD2SI64rm, 0 }, @@ -528,6 +530,10 @@ { X86::VCVTSS2SI64rr, X86::VCVTSS2SI64rm, 0 }, { X86::VCVTSS2SIrr, X86::VCVTSS2SIrm, 0 }, { X86::VCVTDQ2PSrr, X86::VCVTDQ2PSrm, 0 }, + { X86::VCVTPD2DQrr, X86::VCVTPD2DQXrm, 0 }, + { X86::VCVTPS2DQrr, X86::VCVTPS2DQrm, 0 }, + { X86::VCVTTPD2DQrr, X86::VCVTTPD2DQXrm, 0 }, + { X86::VCVTTPS2DQrr, X86::VCVTTPS2DQrm, 0 }, { X86::VMOV64toPQIrr, X86::VMOVQI2PQIrm, 0 }, { X86::VMOV64toSDrr, X86::VMOV64toSDrm, 0 }, { X86::VMOVAPDrr, X86::VMOVAPDrm, TB_ALIGN_16 }, @@ -562,6 +568,10 @@ // AVX 256-bit foldable instructions { X86::VCVTDQ2PSYrr, X86::VCVTDQ2PSYrm, 0 }, + { X86::VCVTPD2DQYrr, X86::VCVTPD2DQYrm, 0 }, + { X86::VCVTPS2DQYrr, X86::VCVTPS2DQYrm, 0 }, + { X86::VCVTTPD2DQYrr, X86::VCVTTPD2DQYrm, 0 }, + { X86::VCVTTPS2DQYrr, X86::VCVTTPS2DQYrm, 0 }, { X86::VMOVAPDYrr, X86::VMOVAPDYrm, TB_ALIGN_32 }, { X86::VMOVAPSYrr, X86::VMOVAPSYrm, TB_ALIGN_32 }, { X86::VMOVDQAYrr, X86::VMOVDQAYrm, TB_ALIGN_32 }, @@ -933,8 +943,6 @@ { X86::Int_VCVTSI2SSrr, X86::Int_VCVTSI2SSrm, 0 }, { X86::VCVTSS2SDrr, X86::VCVTSS2SDrm, 0 }, { X86::Int_VCVTSS2SDrr, X86::Int_VCVTSS2SDrm, 0 }, - { X86::VCVTTPD2DQrr, X86::VCVTTPD2DQXrm, 0 }, - { X86::VCVTTPS2DQrr, X86::VCVTTPS2DQrm, 0 }, { X86::VRSQRTSSr, X86::VRSQRTSSm, 0 }, { X86::VSQRTSDr, X86::VSQRTSDm, 0 }, { X86::VSQRTSSr, X86::VSQRTSSm, 0 }, Index: test/CodeGen/X86/avx1-stack-reload-folding.ll =================================================================== --- test/CodeGen/X86/avx1-stack-reload-folding.ll +++ test/CodeGen/X86/avx1-stack-reload-folding.ll @@ -32,3 +32,35 @@ store <128 x float> %7, <128 x float>* %c ret void } + +define void @stack_fold_cvttpd2dq(<64 x double>* %a, <64 x double>* %b, <64 x i32>* %c) #0 { + %1 = load <64 x double>* %a + %2 = load <64 x double>* %b + %3 = fadd <64 x double> %1, %2 + %4 = fsub <64 x double> %1, %2 + %5 = fptosi <64 x double> %3 to <64 x i32> + %6 = fptosi <64 x double> %4 to <64 x i32> + %7 = or <64 x i32> %5, %6 + store <64 x i32> %7, <64 x i32>* %c + ret void + + ;CHECK-NOT: vmovapd {{.*#+}} 32-byte Reload + ;CHECK: vcvttpd2dqy {{[0-9]*}}(%rsp), {{%xmm[0-9][0-9]*}} {{.*#+}} 32-byte Folded Reload + ;CHECK-NOT: vmovapd {{.*#+}} 32-byte Reload +} + +define void @stack_fold_cvttps2dq(<128 x float>* %a, <128 x float>* %b, <128 x i32>* %c) #0 { + %1 = load <128 x float>* %a + %2 = load <128 x float>* %b + %3 = fadd <128 x float> %1, %2 + %4 = fsub <128 x float> %1, %2 + %5 = fptosi <128 x float> %3 to <128 x i32> + %6 = fptosi <128 x float> %4 to <128 x i32> + %7 = or <128 x i32> %5, %6 + store <128 x i32> %7, <128 x i32>* %c + ret void + + ;CHECK-NOT: vmovaps {{.*#+}} 32-byte Reload + ;CHECK: vcvttps2dq {{[0-9]*}}(%rsp), {{%ymm[0-9][0-9]*}} {{.*#+}} 32-byte Folded Reload + ret void +}