[llvm] r195788 - [AArch64] Add support for NEON scalar floating-point to integer convert

Chad Rosier mcrosier at codeaurora.org
Tue Nov 26 14:47:05 PST 2013


Hi Tim/Bill,
Would it be possible to pull this commit and the associated clang-side
commit r195789 into the 3.4 branch?

 Thanks,
  Chad

> Author: mcrosier
> Date: Tue Nov 26 16:17:37 2013
> New Revision: 195788
>
> URL: http://llvm.org/viewvc/llvm-project?rev=195788&view=rev
> Log:
> [AArch64] Add support for NEON scalar floating-point to integer convert
> instructions.
>
> Added:
>     llvm/trunk/test/CodeGen/AArch64/neon-scalar-fcvt.ll
> Modified:
>     llvm/trunk/include/llvm/IR/IntrinsicsAArch64.td
>     llvm/trunk/lib/Target/AArch64/AArch64InstrNEON.td
>     llvm/trunk/test/MC/AArch64/neon-diagnostics.s
>     llvm/trunk/test/MC/AArch64/neon-scalar-cvt.s
>     llvm/trunk/test/MC/Disassembler/AArch64/neon-instructions.txt
>
> Modified: llvm/trunk/include/llvm/IR/IntrinsicsAArch64.td
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/IntrinsicsAArch64.td?rev=195788&r1=195787&r2=195788&view=diff
> ==============================================================================
> --- llvm/trunk/include/llvm/IR/IntrinsicsAArch64.td (original)
> +++ llvm/trunk/include/llvm/IR/IntrinsicsAArch64.td Tue Nov 26 16:17:37
> 2013
> @@ -54,6 +54,10 @@ def int_aarch64_neon_fcvtas :
>    Intrinsic<[llvm_anyvector_ty], [llvm_anyvector_ty], [IntrNoMem]>;
>  def int_aarch64_neon_fcvtau :
>    Intrinsic<[llvm_anyvector_ty], [llvm_anyvector_ty], [IntrNoMem]>;
> +def int_aarch64_neon_fcvtzs :
> +  Intrinsic<[llvm_anyvector_ty], [llvm_anyvector_ty], [IntrNoMem]>;
> +def int_aarch64_neon_fcvtzu :
> +  Intrinsic<[llvm_anyvector_ty], [llvm_anyvector_ty], [IntrNoMem]>;
>
>  // Vector maxNum (Floating Point)
>  def int_aarch64_neon_vmaxnm : Neon_2Arg_Intrinsic;
>
> Modified: llvm/trunk/lib/Target/AArch64/AArch64InstrNEON.td
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64InstrNEON.td?rev=195788&r1=195787&r2=195788&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/AArch64/AArch64InstrNEON.td (original)
> +++ llvm/trunk/lib/Target/AArch64/AArch64InstrNEON.td Tue Nov 26 16:17:37
> 2013
> @@ -4245,7 +4245,7 @@ multiclass NeonI_Scalar2SameMisc_SD_size
>  }
>
>  multiclass NeonI_Scalar2SameMisc_D_size<bit u, bits<5> opcode, string
> asmop> {
> -  def dd: NeonI_Scalar2SameMisc_size<u, 0b11, opcode, asmop, FPR64,
> FPR64>;
> +  def dd : NeonI_Scalar2SameMisc_size<u, 0b11, opcode, asmop, FPR64,
> FPR64>;
>  }
>
>  multiclass NeonI_Scalar2SameMisc_BHSD_size<bit u, bits<5> opcode, string
> asmop>
> @@ -4255,6 +4255,9 @@ multiclass NeonI_Scalar2SameMisc_BHSD_si
>    def ss : NeonI_Scalar2SameMisc_size<u, 0b10, opcode, asmop, FPR32,
> FPR32>;
>  }
>
> +class NeonI_Scalar2SameMisc_fcvtxn_D_size<bit u, bits<5> opcode, string
> asmop>
> +  : NeonI_Scalar2SameMisc_size<u, 0b01, opcode, asmop, FPR32, FPR64>;
> +
>  multiclass NeonI_Scalar2SameMisc_narrow_HSD_size<bit u, bits<5> opcode,
>                                                   string asmop> {
>    def bh : NeonI_Scalar2SameMisc_size<u, 0b00, opcode, asmop, FPR8,
> FPR16>;
> @@ -4281,6 +4284,20 @@ multiclass NeonI_Scalar2SameMisc_accum_B
>    }
>  }
>
> +class Neon_Scalar2SameMisc_fcvtxn_D_size_patterns<SDPatternOperator
> opnode,
> +                                                  Instruction INSTD>
> +  : Pat<(v1f32 (opnode (v1f64 FPR64:$Rn))),
> +        (INSTD FPR64:$Rn)>;
> +
> +multiclass Neon_Scalar2SameMisc_fcvt_SD_size_patterns<SDPatternOperator
> opnode,
> +                                                      Instruction INSTS,
> +                                                      Instruction INSTD>
> {
> +  def : Pat<(v1i32 (opnode (v1f32 FPR32:$Rn))),
> +            (INSTS FPR32:$Rn)>;
> +  def : Pat<(v1i64 (opnode (v1f64 FPR64:$Rn))),
> +            (INSTD FPR64:$Rn)>;
> +}
> +
>  multiclass Neon_Scalar2SameMisc_cvt_SD_size_patterns<SDPatternOperator
> Sopnode,
>                                                       SDPatternOperator
> Dopnode,
>                                                       Instruction INSTS,
> @@ -4885,6 +4902,51 @@ defm : Neon_Scalar2SameMisc_cvt_SD_size_
>                                                   int_aarch64_neon_vcvtf64_u64,
>                                                   UCVTFss, UCVTFdd>;
>
> +// Scalar Floating-point Converts
> +def FCVTXN : NeonI_Scalar2SameMisc_fcvtxn_D_size<0b1, 0b10110, "fcvtxn">;
> +def :
> Neon_Scalar2SameMisc_fcvtxn_D_size_patterns<int_aarch64_neon_fcvtxn,
> +                                                  FCVTXN>;
> +
> +defm FCVTNS : NeonI_Scalar2SameMisc_SD_size<0b0, 0b0, 0b11010, "fcvtns">;
> +defm :
> Neon_Scalar2SameMisc_fcvt_SD_size_patterns<int_aarch64_neon_fcvtns,
> +                                                  FCVTNSss, FCVTNSdd>;
> +
> +defm FCVTNU : NeonI_Scalar2SameMisc_SD_size<0b1, 0b0, 0b11010, "fcvtnu">;
> +defm :
> Neon_Scalar2SameMisc_fcvt_SD_size_patterns<int_aarch64_neon_fcvtnu,
> +                                                  FCVTNUss, FCVTNUdd>;
> +
> +defm FCVTMS : NeonI_Scalar2SameMisc_SD_size<0b0, 0b0, 0b11011, "fcvtms">;
> +defm :
> Neon_Scalar2SameMisc_fcvt_SD_size_patterns<int_aarch64_neon_fcvtms,
> +                                                  FCVTMSss, FCVTMSdd>;
> +
> +defm FCVTMU : NeonI_Scalar2SameMisc_SD_size<0b1, 0b0, 0b11011, "fcvtmu">;
> +defm :
> Neon_Scalar2SameMisc_fcvt_SD_size_patterns<int_aarch64_neon_fcvtmu,
> +                                                  FCVTMUss, FCVTMUdd>;
> +
> +defm FCVTAS : NeonI_Scalar2SameMisc_SD_size<0b0, 0b0, 0b11100, "fcvtas">;
> +defm :
> Neon_Scalar2SameMisc_fcvt_SD_size_patterns<int_aarch64_neon_fcvtas,
> +                                                  FCVTASss, FCVTASdd>;
> +
> +defm FCVTAU : NeonI_Scalar2SameMisc_SD_size<0b1, 0b0, 0b11100, "fcvtau">;
> +defm :
> Neon_Scalar2SameMisc_fcvt_SD_size_patterns<int_aarch64_neon_fcvtau,
> +                                                  FCVTAUss, FCVTAUdd>;
> +
> +defm FCVTPS : NeonI_Scalar2SameMisc_SD_size<0b0, 0b1, 0b11010, "fcvtps">;
> +defm :
> Neon_Scalar2SameMisc_fcvt_SD_size_patterns<int_aarch64_neon_fcvtps,
> +                                                  FCVTPSss, FCVTPSdd>;
> +
> +defm FCVTPU : NeonI_Scalar2SameMisc_SD_size<0b1, 0b1, 0b11010, "fcvtpu">;
> +defm :
> Neon_Scalar2SameMisc_fcvt_SD_size_patterns<int_aarch64_neon_fcvtpu,
> +                                                  FCVTPUss, FCVTPUdd>;
> +
> +defm FCVTZS : NeonI_Scalar2SameMisc_SD_size<0b0, 0b1, 0b11011, "fcvtzs">;
> +defm :
> Neon_Scalar2SameMisc_fcvt_SD_size_patterns<int_aarch64_neon_fcvtzs,
> +                                                  FCVTZSss, FCVTZSdd>;
> +
> +defm FCVTZU : NeonI_Scalar2SameMisc_SD_size<0b1, 0b1, 0b11011, "fcvtzu">;
> +defm :
> Neon_Scalar2SameMisc_fcvt_SD_size_patterns<int_aarch64_neon_fcvtzu,
> +                                                  FCVTZUss, FCVTZUdd>;
> +
>  // Scalar Floating-point Reciprocal Estimate
>  defm FRECPE : NeonI_Scalar2SameMisc_SD_size<0b0, 0b1, 0b11101, "frecpe">;
>  defm : Neon_Scalar2SameMisc_SD_size_patterns<int_arm_neon_vrecpe,
>
> Added: llvm/trunk/test/CodeGen/AArch64/neon-scalar-fcvt.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AArch64/neon-scalar-fcvt.ll?rev=195788&view=auto
> ==============================================================================
> --- llvm/trunk/test/CodeGen/AArch64/neon-scalar-fcvt.ll (added)
> +++ llvm/trunk/test/CodeGen/AArch64/neon-scalar-fcvt.ll Tue Nov 26
> 16:17:37 2013
> @@ -0,0 +1,255 @@
> +; RUN: llc -mtriple=aarch64-none-linux-gnu -mattr=+neon < %s | FileCheck
> %s
> +
> +;; Scalar Floating-point Convert
> +
> +define float @test_vcvtxn(double %a) {
> +; CHECK: test_vcvtxn
> +; CHECK: fcvtxn {{s[0-9]}}, {{d[0-9]}}
> +entry:
> +  %vcvtf.i = insertelement <1 x double> undef, double %a, i32 0
> +  %vcvtf1.i = tail call <1 x float>
> @llvm.aarch64.neon.fcvtxn.v1f32.v1f64(<1 x double> %vcvtf.i)
> +  %0 = extractelement <1 x float> %vcvtf1.i, i32 0
> +  ret float %0
> +}
> +
> +declare <1 x float> @llvm.aarch64.neon.fcvtxn.v1f32.v1f64(<1 x double>)
> +
> +define i32 @test_vcvtass(float %a) {
> +; CHECK: test_vcvtass
> +; CHECK: fcvtas {{s[0-9]}}, {{s[0-9]}}
> +entry:
> +  %vcvtas.i = insertelement <1 x float> undef, float %a, i32 0
> +  %vcvtas1.i = tail call <1 x i32>
> @llvm.aarch64.neon.fcvtas.v1i32.v1f32(<1 x float> %vcvtas.i)
> +  %0 = extractelement <1 x i32> %vcvtas1.i, i32 0
> +  ret i32 %0
> +}
> +
> +declare <1 x i32> @llvm.aarch64.neon.fcvtas.v1i32.v1f32(<1 x float>)
> +
> +define i64 @test_test_vcvtasd(double %a) {
> +; CHECK: test_test_vcvtasd
> +; CHECK: fcvtas {{d[0-9]}}, {{d[0-9]}}
> +entry:
> +  %vcvtas.i = insertelement <1 x double> undef, double %a, i32 0
> +  %vcvtas1.i = tail call <1 x i64>
> @llvm.aarch64.neon.fcvtas.v1i64.v1f64(<1 x double> %vcvtas.i)
> +  %0 = extractelement <1 x i64> %vcvtas1.i, i32 0
> +  ret i64 %0
> +}
> +
> +declare <1 x i64> @llvm.aarch64.neon.fcvtas.v1i64.v1f64(<1 x double>)
> +
> +define i32 @test_vcvtaus(float %a) {
> +; CHECK: test_vcvtaus
> +; CHECK: fcvtau {{s[0-9]}}, {{s[0-9]}}
> +entry:
> +  %vcvtau.i = insertelement <1 x float> undef, float %a, i32 0
> +  %vcvtau1.i = tail call <1 x i32>
> @llvm.aarch64.neon.fcvtau.v1i32.v1f32(<1 x float> %vcvtau.i)
> +  %0 = extractelement <1 x i32> %vcvtau1.i, i32 0
> +  ret i32 %0
> +}
> +
> +declare <1 x i32> @llvm.aarch64.neon.fcvtau.v1i32.v1f32(<1 x float>)
> +
> +define i64 @test_vcvtaud(double %a) {
> +; CHECK: test_vcvtaud
> +; CHECK: fcvtau {{d[0-9]}}, {{d[0-9]}}
> +entry:
> +  %vcvtau.i = insertelement <1 x double> undef, double %a, i32 0
> +  %vcvtau1.i = tail call <1 x i64>
> @llvm.aarch64.neon.fcvtau.v1i64.v1f64(<1 x double> %vcvtau.i)
> +  %0 = extractelement <1 x i64> %vcvtau1.i, i32 0
> +  ret i64 %0
> +}
> +
> +declare <1 x i64> @llvm.aarch64.neon.fcvtau.v1i64.v1f64(<1 x double>)
> +
> +define i32 @test_vcvtmss(float %a) {
> +; CHECK: test_vcvtmss
> +; CHECK: fcvtms {{s[0-9]}}, {{s[0-9]}}
> +entry:
> +  %vcvtms.i = insertelement <1 x float> undef, float %a, i32 0
> +  %vcvtms1.i = tail call <1 x i32>
> @llvm.aarch64.neon.fcvtms.v1i32.v1f32(<1 x float> %vcvtms.i)
> +  %0 = extractelement <1 x i32> %vcvtms1.i, i32 0
> +  ret i32 %0
> +}
> +
> +declare <1 x i32> @llvm.aarch64.neon.fcvtms.v1i32.v1f32(<1 x float>)
> +
> +define i64 @test_vcvtmd_s64_f64(double %a) {
> +; CHECK: test_vcvtmd_s64_f64
> +; CHECK: fcvtms {{d[0-9]}}, {{d[0-9]}}
> +entry:
> +  %vcvtms.i = insertelement <1 x double> undef, double %a, i32 0
> +  %vcvtms1.i = tail call <1 x i64>
> @llvm.aarch64.neon.fcvtms.v1i64.v1f64(<1 x double> %vcvtms.i)
> +  %0 = extractelement <1 x i64> %vcvtms1.i, i32 0
> +  ret i64 %0
> +}
> +
> +declare <1 x i64> @llvm.aarch64.neon.fcvtms.v1i64.v1f64(<1 x double>)
> +
> +define i32 @test_vcvtmus(float %a) {
> +; CHECK: test_vcvtmus
> +; CHECK: fcvtmu {{s[0-9]}}, {{s[0-9]}}
> +entry:
> +  %vcvtmu.i = insertelement <1 x float> undef, float %a, i32 0
> +  %vcvtmu1.i = tail call <1 x i32>
> @llvm.aarch64.neon.fcvtmu.v1i32.v1f32(<1 x float> %vcvtmu.i)
> +  %0 = extractelement <1 x i32> %vcvtmu1.i, i32 0
> +  ret i32 %0
> +}
> +
> +declare <1 x i32> @llvm.aarch64.neon.fcvtmu.v1i32.v1f32(<1 x float>)
> +
> +define i64 @test_vcvtmud(double %a) {
> +; CHECK: test_vcvtmud
> +; CHECK: fcvtmu {{d[0-9]}}, {{d[0-9]}}
> +entry:
> +  %vcvtmu.i = insertelement <1 x double> undef, double %a, i32 0
> +  %vcvtmu1.i = tail call <1 x i64>
> @llvm.aarch64.neon.fcvtmu.v1i64.v1f64(<1 x double> %vcvtmu.i)
> +  %0 = extractelement <1 x i64> %vcvtmu1.i, i32 0
> +  ret i64 %0
> +}
> +
> +declare <1 x i64> @llvm.aarch64.neon.fcvtmu.v1i64.v1f64(<1 x double>)
> +
> +define i32 @test_vcvtnss(float %a) {
> +; CHECK: test_vcvtnss
> +; CHECK: fcvtns {{s[0-9]}}, {{s[0-9]}}
> +entry:
> +  %vcvtns.i = insertelement <1 x float> undef, float %a, i32 0
> +  %vcvtns1.i = tail call <1 x i32>
> @llvm.aarch64.neon.fcvtns.v1i32.v1f32(<1 x float> %vcvtns.i)
> +  %0 = extractelement <1 x i32> %vcvtns1.i, i32 0
> +  ret i32 %0
> +}
> +
> +declare <1 x i32> @llvm.aarch64.neon.fcvtns.v1i32.v1f32(<1 x float>)
> +
> +define i64 @test_vcvtnd_s64_f64(double %a) {
> +; CHECK: test_vcvtnd_s64_f64
> +; CHECK: fcvtns {{d[0-9]}}, {{d[0-9]}}
> +entry:
> +  %vcvtns.i = insertelement <1 x double> undef, double %a, i32 0
> +  %vcvtns1.i = tail call <1 x i64>
> @llvm.aarch64.neon.fcvtns.v1i64.v1f64(<1 x double> %vcvtns.i)
> +  %0 = extractelement <1 x i64> %vcvtns1.i, i32 0
> +  ret i64 %0
> +}
> +
> +declare <1 x i64> @llvm.aarch64.neon.fcvtns.v1i64.v1f64(<1 x double>)
> +
> +define i32 @test_vcvtnus(float %a) {
> +; CHECK: test_vcvtnus
> +; CHECK: fcvtnu {{s[0-9]}}, {{s[0-9]}}
> +entry:
> +  %vcvtnu.i = insertelement <1 x float> undef, float %a, i32 0
> +  %vcvtnu1.i = tail call <1 x i32>
> @llvm.aarch64.neon.fcvtnu.v1i32.v1f32(<1 x float> %vcvtnu.i)
> +  %0 = extractelement <1 x i32> %vcvtnu1.i, i32 0
> +  ret i32 %0
> +}
> +
> +declare <1 x i32> @llvm.aarch64.neon.fcvtnu.v1i32.v1f32(<1 x float>)
> +
> +define i64 @test_vcvtnud(double %a) {
> +; CHECK: test_vcvtnud
> +; CHECK: fcvtnu {{d[0-9]}}, {{d[0-9]}}
> +entry:
> +  %vcvtnu.i = insertelement <1 x double> undef, double %a, i32 0
> +  %vcvtnu1.i = tail call <1 x i64>
> @llvm.aarch64.neon.fcvtnu.v1i64.v1f64(<1 x double> %vcvtnu.i)
> +  %0 = extractelement <1 x i64> %vcvtnu1.i, i32 0
> +  ret i64 %0
> +}
> +
> +declare <1 x i64> @llvm.aarch64.neon.fcvtnu.v1i64.v1f64(<1 x double>)
> +
> +define i32 @test_vcvtpss(float %a) {
> +; CHECK: test_vcvtpss
> +; CHECK: fcvtps {{s[0-9]}}, {{s[0-9]}}
> +entry:
> +  %vcvtps.i = insertelement <1 x float> undef, float %a, i32 0
> +  %vcvtps1.i = tail call <1 x i32>
> @llvm.aarch64.neon.fcvtps.v1i32.v1f32(<1 x float> %vcvtps.i)
> +  %0 = extractelement <1 x i32> %vcvtps1.i, i32 0
> +  ret i32 %0
> +}
> +
> +declare <1 x i32> @llvm.aarch64.neon.fcvtps.v1i32.v1f32(<1 x float>)
> +
> +define i64 @test_vcvtpd_s64_f64(double %a) {
> +; CHECK: test_vcvtpd_s64_f64
> +; CHECK: fcvtps {{d[0-9]}}, {{d[0-9]}}
> +entry:
> +  %vcvtps.i = insertelement <1 x double> undef, double %a, i32 0
> +  %vcvtps1.i = tail call <1 x i64>
> @llvm.aarch64.neon.fcvtps.v1i64.v1f64(<1 x double> %vcvtps.i)
> +  %0 = extractelement <1 x i64> %vcvtps1.i, i32 0
> +  ret i64 %0
> +}
> +
> +declare <1 x i64> @llvm.aarch64.neon.fcvtps.v1i64.v1f64(<1 x double>)
> +
> +define i32 @test_vcvtpus(float %a) {
> +; CHECK: test_vcvtpus
> +; CHECK: fcvtpu {{s[0-9]}}, {{s[0-9]}}
> +entry:
> +  %vcvtpu.i = insertelement <1 x float> undef, float %a, i32 0
> +  %vcvtpu1.i = tail call <1 x i32>
> @llvm.aarch64.neon.fcvtpu.v1i32.v1f32(<1 x float> %vcvtpu.i)
> +  %0 = extractelement <1 x i32> %vcvtpu1.i, i32 0
> +  ret i32 %0
> +}
> +
> +declare <1 x i32> @llvm.aarch64.neon.fcvtpu.v1i32.v1f32(<1 x float>)
> +
> +define i64 @test_vcvtpud(double %a) {
> +; CHECK: test_vcvtpud
> +; CHECK: fcvtpu {{d[0-9]}}, {{d[0-9]}}
> +entry:
> +  %vcvtpu.i = insertelement <1 x double> undef, double %a, i32 0
> +  %vcvtpu1.i = tail call <1 x i64>
> @llvm.aarch64.neon.fcvtpu.v1i64.v1f64(<1 x double> %vcvtpu.i)
> +  %0 = extractelement <1 x i64> %vcvtpu1.i, i32 0
> +  ret i64 %0
> +}
> +
> +declare <1 x i64> @llvm.aarch64.neon.fcvtpu.v1i64.v1f64(<1 x double>)
> +
> +define i32 @test_vcvtss(float %a) {
> +; CHECK: test_vcvtss
> +; CHECK: fcvtzs {{s[0-9]}}, {{s[0-9]}}
> +entry:
> +  %vcvtzs.i = insertelement <1 x float> undef, float %a, i32 0
> +  %vcvtzs1.i = tail call <1 x i32>
> @llvm.aarch64.neon.fcvtzs.v1i32.v1f32(<1 x float> %vcvtzs.i)
> +  %0 = extractelement <1 x i32> %vcvtzs1.i, i32 0
> +  ret i32 %0
> +}
> +
> +declare <1 x i32> @llvm.aarch64.neon.fcvtzs.v1i32.v1f32(<1 x float>)
> +
> +define i64 @test_vcvtd_s64_f64(double %a) {
> +; CHECK: test_vcvtd_s64_f64
> +; CHECK: fcvtzs {{d[0-9]}}, {{d[0-9]}}
> +entry:
> +  %vcvzs.i = insertelement <1 x double> undef, double %a, i32 0
> +  %vcvzs1.i = tail call <1 x i64>
> @llvm.aarch64.neon.fcvtzs.v1i64.v1f64(<1 x double> %vcvzs.i)
> +  %0 = extractelement <1 x i64> %vcvzs1.i, i32 0
> +  ret i64 %0
> +}
> +
> +declare <1 x i64> @llvm.aarch64.neon.fcvtzs.v1i64.v1f64(<1 x double>)
> +
> +define i32 @test_vcvtus(float %a) {
> +; CHECK: test_vcvtus
> +; CHECK: fcvtzu {{s[0-9]}}, {{s[0-9]}}
> +entry:
> +  %vcvtzu.i = insertelement <1 x float> undef, float %a, i32 0
> +  %vcvtzu1.i = tail call <1 x i32>
> @llvm.aarch64.neon.fcvtzu.v1i32.v1f32(<1 x float> %vcvtzu.i)
> +  %0 = extractelement <1 x i32> %vcvtzu1.i, i32 0
> +  ret i32 %0
> +}
> +
> +declare <1 x i32> @llvm.aarch64.neon.fcvtzu.v1i32.v1f32(<1 x float>)
> +
> +define i64 @test_vcvtud(double %a) {
> +; CHECK: test_vcvtud
> +; CHECK: fcvtzu {{d[0-9]}}, {{d[0-9]}}
> +entry:
> +  %vcvtzu.i = insertelement <1 x double> undef, double %a, i32 0
> +  %vcvtzu1.i = tail call <1 x i64>
> @llvm.aarch64.neon.fcvtzu.v1i64.v1f64(<1 x double> %vcvtzu.i)
> +  %0 = extractelement <1 x i64> %vcvtzu1.i, i32 0
> +  ret i64 %0
> +}
> +
> +declare <1 x i64> @llvm.aarch64.neon.fcvtzu.v1i64.v1f64(<1 x double>)
>
> Modified: llvm/trunk/test/MC/AArch64/neon-diagnostics.s
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/AArch64/neon-diagnostics.s?rev=195788&r1=195787&r2=195788&view=diff
> ==============================================================================
> --- llvm/trunk/test/MC/AArch64/neon-diagnostics.s (original)
> +++ llvm/trunk/test/MC/AArch64/neon-diagnostics.s Tue Nov 26 16:17:37 2013
> @@ -7141,3 +7141,163 @@
>  // CHECK-ERROR: error: invalid number of vectors
>  // CHECK-ERROR:        tbx v0.8b, {v1.16b, v2.16b, v3.16b, v4.16b,
> v5.16b}, v2.8b
>  // CHECK-ERROR:                                                    ^
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Lower Precision Narrow, Rounding To
> +// Odd
> +//----------------------------------------------------------------------
> +
> +    fcvtxn s0, s1
> +
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR:        fcvtxn s0, s1
> +// CHECK-ERROR:                   ^
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Signed Integer, Rounding To Nearest
> +// With Ties To Away
> +//----------------------------------------------------------------------
> +
> +    fcvtas s0, d0
> +    fcvtas d0, s0
> +
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR:        fcvtas s0, d0
> +// CHECK-ERROR:                   ^
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR:        fcvtas d0, s0
> +// CHECK-ERROR:                   ^
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Unsigned Integer, Rounding To
> +// Nearest With Ties To Away
> +//----------------------------------------------------------------------
> +
> +    fcvtau s0, d0
> +    fcvtau d0, s0
> +
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR:        fcvtau s0, d0
> +// CHECK-ERROR:                   ^
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR:        fcvtau d0, s0
> +// CHECK-ERROR:                   ^
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Signed Integer, Rounding Toward
> +// Minus Infinity
> +//----------------------------------------------------------------------
> +
> +    fcvtms s0, d0
> +    fcvtms d0, s0
> +
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR:        fcvtms s0, d0
> +// CHECK-ERROR:                   ^
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR:        fcvtms d0, s0
> +// CHECK-ERROR:                   ^
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Unsigned Integer, Rounding Toward
> +// Minus Infinity
> +//----------------------------------------------------------------------
> +
> +    fcvtmu s0, d0
> +    fcvtmu d0, s0
> +
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR:        fcvtmu s0, d0
> +// CHECK-ERROR:                   ^
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR:        fcvtmu d0, s0
> +// CHECK-ERROR:                   ^
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Signed Integer, Rounding To Nearest
> +// With Ties To Even
> +//----------------------------------------------------------------------
> +
> +    fcvtns s0, d0
> +    fcvtns d0, s0
> +
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR:        fcvtns s0, d0
> +// CHECK-ERROR:                   ^
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR:        fcvtns d0, s0
> +// CHECK-ERROR:                   ^
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Unsigned Integer, Rounding To
> +// Nearest With Ties To Even
> +//----------------------------------------------------------------------
> +
> +    fcvtnu s0, d0
> +    fcvtnu d0, s0
> +
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR:        fcvtnu s0, d0
> +// CHECK-ERROR:                   ^
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR:        fcvtnu d0, s0
> +// CHECK-ERROR:                   ^
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Signed Integer, Rounding Toward
> +// Positive Infinity
> +//----------------------------------------------------------------------
> +
> +    fcvtps s0, d0
> +    fcvtps d0, s0
> +
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR:        fcvtps s0, d0
> +// CHECK-ERROR:                   ^
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR:        fcvtps d0, s0
> +// CHECK-ERROR:                   ^
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Unsigned Integer, Rounding Toward
> +// Positive Infinity
> +//----------------------------------------------------------------------
> +
> +    fcvtpu s0, d0
> +    fcvtpu d0, s0
> +
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR:        fcvtpu s0, d0
> +// CHECK-ERROR:                   ^
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR:        fcvtpu d0, s0
> +// CHECK-ERROR:                   ^
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Signed Integer, Rounding Toward Zero
> +//----------------------------------------------------------------------
> +
> +    fcvtzs s0, d0
> +    fcvtzs d0, s0
> +
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR:        fcvtzs s0, d0
> +// CHECK-ERROR:                   ^
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR:        fcvtzs d0, s0
> +// CHECK-ERROR:                   ^
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Unsigned Integer, Rounding Toward
> +// Zero
> +//----------------------------------------------------------------------
> +
> +    fcvtzu s0, d0
> +    fcvtzu d0, s0
> +
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR:        fcvtzu s0, d0
> +// CHECK-ERROR:                   ^
> +// CHECK-ERROR: error: invalid operand for instruction
> +// CHECK-ERROR:        fcvtzu d0, s0
> +// CHECK-ERROR:                   ^
>
> Modified: llvm/trunk/test/MC/AArch64/neon-scalar-cvt.s
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/AArch64/neon-scalar-cvt.s?rev=195788&r1=195787&r2=195788&view=diff
> ==============================================================================
> --- llvm/trunk/test/MC/AArch64/neon-scalar-cvt.s (original)
> +++ llvm/trunk/test/MC/AArch64/neon-scalar-cvt.s Tue Nov 26 16:17:37 2013
> @@ -61,3 +61,121 @@
>
>  // CHECK: fcvtzu s21, s12, #1  // encoding: [0x95,0xfd,0x3f,0x7f]
>  // CHECK: fcvtzu d21, d12, #1  // encoding: [0x95,0xfd,0x7f,0x7f]
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Lower Precision Narrow, Rounding To
> +// Odd
> +//----------------------------------------------------------------------
> +
> +    fcvtxn s22, d13
> +
> +// CHECK: fcvtxn s22, d13    // encoding: [0xb6,0x69,0x61,0x7e]
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Signed Integer, Rounding To Nearest
> +// With Ties To Away
> +//----------------------------------------------------------------------
> +
> +    fcvtas s12, s13
> +    fcvtas d21, d14
> +
> +// CHECK: fcvtas s12, s13    // encoding: [0xac,0xc9,0x21,0x5e]
> +// CHECK: fcvtas d21, d14    // encoding: [0xd5,0xc9,0x61,0x5e]
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Unsigned Integer, Rounding To
> +// Nearest With Ties To Away
> +//----------------------------------------------------------------------
> +
> +    fcvtau s12, s13
> +    fcvtau d21, d14
> +
> +// CHECK: fcvtau s12, s13    // encoding: [0xac,0xc9,0x21,0x7e]
> +// CHECK: fcvtau d21, d14    // encoding: [0xd5,0xc9,0x61,0x7e]
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Signed Integer, Rounding Toward
> +// Minus Infinity
> +//----------------------------------------------------------------------
> +
> +    fcvtms s22, s13
> +    fcvtms d21, d14
> +
> +// CHECK: fcvtms s22, s13    // encoding: [0xb6,0xb9,0x21,0x5e]
> +// CHECK: fcvtms d21, d14    // encoding: [0xd5,0xb9,0x61,0x5e]
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Unsigned Integer, Rounding Toward
> +// Minus Infinity
> +//----------------------------------------------------------------------
> +
> +    fcvtmu s12, s13
> +    fcvtmu d21, d14
> +
> +// CHECK: fcvtmu s12, s13    // encoding: [0xac,0xb9,0x21,0x7e]
> +// CHECK: fcvtmu d21, d14    // encoding: [0xd5,0xb9,0x61,0x7e]
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Signed Integer, Rounding To Nearest
> +// With Ties To Even
> +//----------------------------------------------------------------------
> +
> +    fcvtns s22, s13
> +    fcvtns d21, d14
> +
> +// CHECK: fcvtns s22, s13    // encoding: [0xb6,0xa9,0x21,0x5e]
> +// CHECK: fcvtns d21, d14    // encoding: [0xd5,0xa9,0x61,0x5e]
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Unsigned Integer, Rounding To
> +// Nearest With Ties To Even
> +//----------------------------------------------------------------------
> +
> +    fcvtnu s12, s13
> +    fcvtnu d21, d14
> +
> +// CHECK: fcvtnu s12, s13    // encoding: [0xac,0xa9,0x21,0x7e]
> +// CHECK: fcvtnu d21, d14    // encoding: [0xd5,0xa9,0x61,0x7e]
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Signed Integer, Rounding Toward
> +// Positive Infinity
> +//----------------------------------------------------------------------
> +
> +    fcvtps s22, s13
> +    fcvtps d21, d14
> +
> +// CHECK: fcvtps s22, s13    // encoding: [0xb6,0xa9,0xa1,0x5e]
> +// CHECK: fcvtps d21, d14    // encoding: [0xd5,0xa9,0xe1,0x5e]
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Unsigned Integer, Rounding Toward
> +// Positive Infinity
> +//----------------------------------------------------------------------
> +
> +    fcvtpu s12, s13
> +    fcvtpu d21, d14
> +
> +// CHECK: fcvtpu s12, s13    // encoding: [0xac,0xa9,0xa1,0x7e]
> +// CHECK: fcvtpu d21, d14    // encoding: [0xd5,0xa9,0xe1,0x7e]
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Signed Integer, Rounding Toward Zero
> +//----------------------------------------------------------------------
> +
> +    fcvtzs s12, s13
> +    fcvtzs d21, d14
> +
> +// CHECK: fcvtzs s12, s13    // encoding: [0xac,0xb9,0xa1,0x5e]
> +// CHECK: fcvtzs d21, d14    // encoding: [0xd5,0xb9,0xe1,0x5e]
> +
> +//----------------------------------------------------------------------
> +// Scalar Floating-point Convert To Unsigned Integer, Rounding Toward
> +// Zero
> +//----------------------------------------------------------------------
> +
> +    fcvtzu s12, s13
> +    fcvtzu d21, d14
> +
> +// CHECK: fcvtzu s12, s13    // encoding: [0xac,0xb9,0xa1,0x7e]
> +// CHECK: fcvtzu d21, d14    // encoding: [0xd5,0xb9,0xe1,0x7e]
>
> Modified: llvm/trunk/test/MC/Disassembler/AArch64/neon-instructions.txt
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/Disassembler/AArch64/neon-instructions.txt?rev=195788&r1=195787&r2=195788&view=diff
> ==============================================================================
> --- llvm/trunk/test/MC/Disassembler/AArch64/neon-instructions.txt
> (original)
> +++ llvm/trunk/test/MC/Disassembler/AArch64/neon-instructions.txt Tue Nov
> 26 16:17:37 2013
> @@ -2510,3 +2510,102 @@
>  # CHECK: tbx v0.16b, {v1.16b, v2.16b, v3.16b}, v2.16b
>  # CHECK: tbx v16.16b, {v31.16b, v0.16b, v1.16b, v2.16b}, v2.16b
>
> +#----------------------------------------------------------------------
> +# Scalar Floating-point Convert To Lower Precision Narrow, Rounding To
> +# Odd
> +#----------------------------------------------------------------------
> +# CHECK: fcvtxn s22, d13
> +0xb6,0x69,0x61,0x7e
> +
> +#----------------------------------------------------------------------
> +# Scalar Floating-point Convert To Signed Integer, Rounding To Nearest
> +# With Ties To Away
> +#----------------------------------------------------------------------
> +# CHECK: fcvtas s12, s13
> +# CHECK: fcvtas d21, d14
> +
> +0xac,0xc9,0x21,0x5e
> +0xd5,0xc9,0x61,0x5e
> +
> +#----------------------------------------------------------------------
> +# Scalar Floating-point Convert To Unsigned Integer, Rounding To
> +# Nearest With Ties To Away
> +#----------------------------------------------------------------------
> +# CHECK: fcvtau s12, s13
> +# CHECK: fcvtau d21, d14
> +0xac,0xc9,0x21,0x7e
> +0xd5,0xc9,0x61,0x7e
> +
> +#----------------------------------------------------------------------
> +# Scalar Floating-point Convert To Signed Integer, Rounding Toward
> +# Minus Infinity
> +#----------------------------------------------------------------------
> +# CHECK: fcvtms s22, s13
> +# CHECK: fcvtms d21, d14
> +0xb6,0xb9,0x21,0x5e
> +0xd5,0xb9,0x61,0x5e
> +
> +#----------------------------------------------------------------------
> +# Scalar Floating-point Convert To Unsigned Integer, Rounding Toward
> +# Minus Infinity
> +#----------------------------------------------------------------------
> +# CHECK: fcvtmu s12, s13
> +# CHECK: fcvtmu d21, d14
> +0xac,0xb9,0x21,0x7e
> +0xd5,0xb9,0x61,0x7e
> +
> +#----------------------------------------------------------------------
> +# Scalar Floating-point Convert To Signed Integer, Rounding To Nearest
> +# With Ties To Even
> +#----------------------------------------------------------------------
> +
> +# CHECK: fcvtns s22, s13
> +# CHECK: fcvtns d21, d14
> +
> +0xb6,0xa9,0x21,0x5e
> +0xd5,0xa9,0x61,0x5e
> +
> +#----------------------------------------------------------------------
> +# Scalar Floating-point Convert To Unsigned Integer, Rounding To
> +# Nearest With Ties To Even
> +#----------------------------------------------------------------------
> +
> +# CHECK: fcvtnu s12, s13
> +# CHECK: fcvtnu d21, d14
> +0xac,0xa9,0x21,0x7e
> +0xd5,0xa9,0x61,0x7e
> +
> +#----------------------------------------------------------------------
> +# Scalar Floating-point Convert To Signed Integer, Rounding Toward
> +# Positive Infinity
> +#----------------------------------------------------------------------
> +# CHECK: fcvtps s22, s13
> +# CHECK: fcvtps d21, d14
> +0xb6,0xa9,0xa1,0x5e
> +0xd5,0xa9,0xe1,0x5e
> +
> +#----------------------------------------------------------------------
> +# Scalar Floating-point Convert To Unsigned Integer, Rounding Toward
> +# Positive Infinity
> +#----------------------------------------------------------------------
> +# CHECK: fcvtpu s12, s13
> +# CHECK: fcvtpu d21, d14
> +0xac,0xa9,0xa1,0x7e
> +0xd5,0xa9,0xe1,0x7e
> +
> +#----------------------------------------------------------------------
> +# Scalar Floating-point Convert To Signed Integer, Rounding Toward Zero
> +#----------------------------------------------------------------------
> +# CHECK: fcvtzs s12, s13
> +# CHECK: fcvtzs d21, d14
> +0xac,0xb9,0xa1,0x5e
> +0xd5,0xb9,0xe1,0x5e
> +
> +#----------------------------------------------------------------------
> +# Scalar Floating-point Convert To Unsigned Integer, Rounding Toward
> +# Zero
> +#----------------------------------------------------------------------
> +# CHECK: fcvtzu s12, s13
> +# CHECK: fcvtzu d21, d14
> +0xac,0xb9,0xa1,0x7e
> +0xd5,0xb9,0xe1,0x7e
>
>
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