r196152 - [AArch64] Add missing NEON scalar floating-point to integer convert ACLEs.
Hao Liu
haoliuts at gmail.com
Mon Dec 2 21:55:42 PST 2013
Hi Chad,
I'm confused with this commit. It seems that these intrinsics are not
existing. This commit is a duplicate implementation and a conflict to
other intrinsic.
For example, you implemented an intrinsic "vabd_f64":
float64_t vabd_f64(float64_t a, float64_t b)
But there is already a similar one "vabdd_f64" in arm_neon.h:
float64_t vabdd_f64(float64_t a, float64_t b)
So I think this is unreasonable to implement such intrinsic.
Also, that intrinsic will be conflicted with following intrinsic:
float64x1_t vabd_f64(float64x1_t a, float64x1_t b).
Which is implemented by me in http://llvm-reviews.chandlerc.com/D2298.
There should only one function named "vabd_f64" in arm_neon.h.
So to commit my patch in http://llvm-reviews.chandlerc.com/D2298 and
http://llvm-reviews.chandlerc.com/D2297, I've reverted it in:
http://llvm.org/viewvc/llvm-project?revision=196205&view=revision
Thanks,
-Hao
2013/12/3 Chad Rosier <mcrosier at codeaurora.org>:
> Author: mcrosier
> Date: Mon Dec 2 15:07:24 2013
> New Revision: 196152
>
> URL: http://llvm.org/viewvc/llvm-project?rev=196152&view=rev
> Log:
> [AArch64] Add missing NEON scalar floating-point to integer convert ACLEs.
>
> Modified:
> cfe/trunk/include/clang/Basic/arm_neon.td
> cfe/trunk/lib/CodeGen/CGBuiltin.cpp
> cfe/trunk/test/CodeGen/aarch64-neon-fcvt-intrinsics.c
> cfe/trunk/test/CodeGen/aarch64-neon-intrinsics.c
> cfe/trunk/utils/TableGen/NeonEmitter.cpp
>
> Modified: cfe/trunk/include/clang/Basic/arm_neon.td
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/arm_neon.td?rev=196152&r1=196151&r2=196152&view=diff
> ==============================================================================
> --- cfe/trunk/include/clang/Basic/arm_neon.td (original)
> +++ cfe/trunk/include/clang/Basic/arm_neon.td Mon Dec 2 15:07:24 2013
> @@ -220,6 +220,7 @@ class NoTestOpInst<string n, string p, s
>
> // size modifiers:
> // S: scalar, only used for function mangling.
> +// T: scalar, but without the BHSD suffix mangling.
> // U: unsigned
> // Q: 128b
> // H: 128b without mangling 'q'
> @@ -1119,36 +1120,36 @@ def SCALAR_FRSQRTS : IInst<"vrsqrts", "s
> ////////////////////////////////////////////////////////////////////////////////
> // Scalar Signed Integer Convert To Floating-point
> def SCALAR_SCVTFS : SInst<"vcvt_f32", "ys", "Si">;
> -def SCALAR_SCVTFD : SInst<"vcvt_f64", "os", "Sl">;
> +def SCALAR_SCVTFD : SInst<"vcvt_f64", "os", "SlTl">;
>
> ////////////////////////////////////////////////////////////////////////////////
> // Scalar Unsigned Integer Convert To Floating-point
> def SCALAR_UCVTFS : SInst<"vcvt_f32", "ys", "SUi">;
> -def SCALAR_UCVTFD : SInst<"vcvt_f64", "os", "SUl">;
> +def SCALAR_UCVTFD : SInst<"vcvt_f64", "os", "SUlTUl">;
>
> ////////////////////////////////////////////////////////////////////////////////
> // Scalar Floating-point Converts
> def SCALAR_FCVTXN : IInst<"vcvtx_f32", "ys", "Sd">;
> def SCALAR_FCVTNSS : SInst<"vcvtn_s32", "$s", "Sf">;
> def SCALAR_FCVTNUS : SInst<"vcvtn_u32", "bs", "Sf">;
> -def SCALAR_FCVTNSD : SInst<"vcvtn_s64", "$s", "Sd">;
> -def SCALAR_FCVTNUD : SInst<"vcvtn_u64", "bs", "Sd">;
> +def SCALAR_FCVTNSD : SInst<"vcvtn_s64", "$s", "SdTd">;
> +def SCALAR_FCVTNUD : SInst<"vcvtn_u64", "bs", "SdTd">;
> def SCALAR_FCVTMSS : SInst<"vcvtm_s32", "$s", "Sf">;
> def SCALAR_FCVTMUS : SInst<"vcvtm_u32", "bs", "Sf">;
> -def SCALAR_FCVTMSD : SInst<"vcvtm_s64", "$s", "Sd">;
> -def SCALAR_FCVTMUD : SInst<"vcvtm_u64", "bs", "Sd">;
> +def SCALAR_FCVTMSD : SInst<"vcvtm_s64", "$s", "SdTd">;
> +def SCALAR_FCVTMUD : SInst<"vcvtm_u64", "bs", "SdTd">;
> def SCALAR_FCVTASS : SInst<"vcvta_s32", "$s", "Sf">;
> def SCALAR_FCVTAUS : SInst<"vcvta_u32", "bs", "Sf">;
> -def SCALAR_FCVTASD : SInst<"vcvta_s64", "$s", "Sd">;
> -def SCALAR_FCVTAUD : SInst<"vcvta_u64", "bs", "Sd">;
> +def SCALAR_FCVTASD : SInst<"vcvta_s64", "$s", "SdTd">;
> +def SCALAR_FCVTAUD : SInst<"vcvta_u64", "bs", "SdTd">;
> def SCALAR_FCVTPSS : SInst<"vcvtp_s32", "$s", "Sf">;
> def SCALAR_FCVTPUS : SInst<"vcvtp_u32", "bs", "Sf">;
> -def SCALAR_FCVTPSD : SInst<"vcvtp_s64", "$s", "Sd">;
> -def SCALAR_FCVTPUD : SInst<"vcvtp_u64", "bs", "Sd">;
> +def SCALAR_FCVTPSD : SInst<"vcvtp_s64", "$s", "SdTd">;
> +def SCALAR_FCVTPUD : SInst<"vcvtp_u64", "bs", "SdTd">;
> def SCALAR_FCVTZSS : SInst<"vcvt_s32", "$s", "Sf">;
> def SCALAR_FCVTZUS : SInst<"vcvt_u32", "bs", "Sf">;
> -def SCALAR_FCVTZSD : SInst<"vcvt_s64", "$s", "Sd">;
> -def SCALAR_FCVTZUD : SInst<"vcvt_u64", "bs", "Sd">;
> +def SCALAR_FCVTZSD : SInst<"vcvt_s64", "$s", "SdTd">;
> +def SCALAR_FCVTZUD : SInst<"vcvt_u64", "bs", "SdTd">;
>
> ////////////////////////////////////////////////////////////////////////////////
> // Scalar Floating-point Reciprocal Estimate
> @@ -1207,7 +1208,7 @@ def SCALAR_ABS : SInst<"vabs", "ss", "Sl
>
> ////////////////////////////////////////////////////////////////////////////////
> // Scalar Absolute Difference
> -def SCALAR_ABD : IInst<"vabd", "sss", "SfSd">;
> +def SCALAR_ABD : IInst<"vabd", "sss", "SfSdTd">;
>
> ////////////////////////////////////////////////////////////////////////////////
> // Scalar Signed Saturating Absolute Value
>
> Modified: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBuiltin.cpp?rev=196152&r1=196151&r2=196152&view=diff
> ==============================================================================
> --- cfe/trunk/lib/CodeGen/CGBuiltin.cpp (original)
> +++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp Mon Dec 2 15:07:24 2013
> @@ -2112,6 +2112,7 @@ static Value *EmitAArch64ScalarBuiltinEx
> case AArch64::BI__builtin_neon_vcvts_f32_s32:
> Int = Intrinsic::aarch64_neon_vcvtf32_s32,
> s = "vcvtf"; OverloadInt = false; break;
> + case AArch64::BI__builtin_neon_vcvt_f64_s64:
> case AArch64::BI__builtin_neon_vcvtd_f64_s64:
> Int = Intrinsic::aarch64_neon_vcvtf64_s64,
> s = "vcvtf"; OverloadInt = false; break;
> @@ -2119,6 +2120,7 @@ static Value *EmitAArch64ScalarBuiltinEx
> case AArch64::BI__builtin_neon_vcvts_f32_u32:
> Int = Intrinsic::aarch64_neon_vcvtf32_u32,
> s = "vcvtf"; OverloadInt = false; break;
> + case AArch64::BI__builtin_neon_vcvt_f64_u64:
> case AArch64::BI__builtin_neon_vcvtd_f64_u64:
> Int = Intrinsic::aarch64_neon_vcvtf64_u64,
> s = "vcvtf"; OverloadInt = false; break;
> @@ -2128,42 +2130,52 @@ static Value *EmitAArch64ScalarBuiltinEx
> s = "vcvtxn"; OverloadCvtInt = true; break;
> case AArch64::BI__builtin_neon_vcvtas_s32_f32:
> case AArch64::BI__builtin_neon_vcvtad_s64_f64:
> + case AArch64::BI__builtin_neon_vcvta_s64_f64:
> Int = Intrinsic::aarch64_neon_fcvtas;
> s = "vcvtas"; OverloadCvtInt = true; break;
> case AArch64::BI__builtin_neon_vcvtas_u32_f32:
> case AArch64::BI__builtin_neon_vcvtad_u64_f64:
> + case AArch64::BI__builtin_neon_vcvta_u64_f64:
> Int = Intrinsic::aarch64_neon_fcvtau;
> s = "vcvtau"; OverloadCvtInt = true; break;
> case AArch64::BI__builtin_neon_vcvtms_s32_f32:
> case AArch64::BI__builtin_neon_vcvtmd_s64_f64:
> + case AArch64::BI__builtin_neon_vcvtm_s64_f64:
> Int = Intrinsic::aarch64_neon_fcvtms;
> s = "vcvtms"; OverloadCvtInt = true; break;
> case AArch64::BI__builtin_neon_vcvtms_u32_f32:
> case AArch64::BI__builtin_neon_vcvtmd_u64_f64:
> + case AArch64::BI__builtin_neon_vcvtm_u64_f64:
> Int = Intrinsic::aarch64_neon_fcvtmu;
> s = "vcvtmu"; OverloadCvtInt = true; break;
> case AArch64::BI__builtin_neon_vcvtns_s32_f32:
> case AArch64::BI__builtin_neon_vcvtnd_s64_f64:
> + case AArch64::BI__builtin_neon_vcvtn_s64_f64:
> Int = Intrinsic::aarch64_neon_fcvtns;
> s = "vcvtns"; OverloadCvtInt = true; break;
> case AArch64::BI__builtin_neon_vcvtns_u32_f32:
> case AArch64::BI__builtin_neon_vcvtnd_u64_f64:
> + case AArch64::BI__builtin_neon_vcvtn_u64_f64:
> Int = Intrinsic::aarch64_neon_fcvtnu;
> s = "vcvtnu"; OverloadCvtInt = true; break;
> case AArch64::BI__builtin_neon_vcvtps_s32_f32:
> case AArch64::BI__builtin_neon_vcvtpd_s64_f64:
> + case AArch64::BI__builtin_neon_vcvtp_s64_f64:
> Int = Intrinsic::aarch64_neon_fcvtps;
> s = "vcvtps"; OverloadCvtInt = true; break;
> case AArch64::BI__builtin_neon_vcvtps_u32_f32:
> case AArch64::BI__builtin_neon_vcvtpd_u64_f64:
> + case AArch64::BI__builtin_neon_vcvtp_u64_f64:
> Int = Intrinsic::aarch64_neon_fcvtpu;
> s = "vcvtpu"; OverloadCvtInt = true; break;
> case AArch64::BI__builtin_neon_vcvts_s32_f32:
> case AArch64::BI__builtin_neon_vcvtd_s64_f64:
> + case AArch64::BI__builtin_neon_vcvt_s64_f64:
> Int = Intrinsic::aarch64_neon_fcvtzs;
> s = "vcvtzs"; OverloadCvtInt = true; break;
> case AArch64::BI__builtin_neon_vcvts_u32_f32:
> case AArch64::BI__builtin_neon_vcvtd_u64_f64:
> + case AArch64::BI__builtin_neon_vcvt_u64_f64:
> Int = Intrinsic::aarch64_neon_fcvtzu;
> s = "vcvtzu"; OverloadCvtInt = true; break;
> // Scalar Floating-point Reciprocal Estimate
> @@ -2336,6 +2348,7 @@ static Value *EmitAArch64ScalarBuiltinEx
> s = "vabs"; OverloadInt = false; break;
> // Scalar Absolute Difference
> case AArch64::BI__builtin_neon_vabds_f32:
> + case AArch64::BI__builtin_neon_vabd_f64:
> case AArch64::BI__builtin_neon_vabdd_f64:
> Int = Intrinsic::aarch64_neon_vabd;
> s = "vabd"; OverloadInt = true; break;
>
> Modified: cfe/trunk/test/CodeGen/aarch64-neon-fcvt-intrinsics.c
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/aarch64-neon-fcvt-intrinsics.c?rev=196152&r1=196151&r2=196152&view=diff
> ==============================================================================
> --- cfe/trunk/test/CodeGen/aarch64-neon-fcvt-intrinsics.c (original)
> +++ cfe/trunk/test/CodeGen/aarch64-neon-fcvt-intrinsics.c Mon Dec 2 15:07:24 2013
> @@ -18,12 +18,18 @@ int32_t test_vcvtas_s32_f32(float32_t a)
> return (int32_t)vcvtas_s32_f32(a);
> }
>
> -int64_t test_test_vcvtad_s64_f64(float64_t a) {
> -// CHECK: test_test_vcvtad_s64_f64
> +int64_t test_vcvtad_s64_f64(float64_t a) {
> +// CHECK: test_vcvtad_s64_f64
> // CHECK: fcvtas {{d[0-9]+}}, {{d[0-9]+}}
> return (int64_t)vcvtad_s64_f64(a);
> }
>
> +int64_t test_vcvta_s64_f64(float64_t a) {
> +// CHECK: test_vcvta_s64_f64
> +// CHECK: fcvtas {{d[0-9]+}}, {{d[0-9]+}}
> + return (int64_t)vcvta_s64_f64(a);
> +}
> +
> uint32_t test_vcvtas_u32_f32(float32_t a) {
> // CHECK: test_vcvtas_u32_f32
> // CHECK: fcvtau {{s[0-9]+}}, {{s[0-9]+}}
> @@ -36,6 +42,12 @@ uint64_t test_vcvtad_u64_f64(float64_t a
> return (uint64_t)vcvtad_u64_f64(a);
> }
>
> +uint64_t test_vcvta_u64_f64(float64_t a) {
> +// CHECK: test_vcvta_u64_f64
> +// CHECK: fcvtau {{d[0-9]+}}, {{d[0-9]+}}
> + return (uint64_t)vcvta_u64_f64(a);
> +}
> +
> int32_t test_vcvtms_s32_f32(float32_t a) {
> // CHECK: test_vcvtms_s32_f32
> // CHECK: fcvtms {{s[0-9]+}}, {{s[0-9]+}}
> @@ -48,6 +60,12 @@ int64_t test_vcvtmd_s64_f64(float64_t a)
> return (int64_t)vcvtmd_s64_f64(a);
> }
>
> +int64_t test_vcvtm_s64_f64(float64_t a) {
> +// CHECK: test_vcvtm_s64_f64
> +// CHECK: fcvtms {{d[0-9]+}}, {{d[0-9]+}}
> + return (int64_t)vcvtm_s64_f64(a);
> +}
> +
> uint32_t test_vcvtms_u32_f32(float32_t a) {
> // CHECK: test_vcvtms_u32_f32
> // CHECK: fcvtmu {{s[0-9]+}}, {{s[0-9]+}}
> @@ -60,6 +78,12 @@ uint64_t test_vcvtmd_u64_f64(float64_t a
> return (uint64_t)vcvtmd_u64_f64(a);
> }
>
> +uint64_t test_vcvtm_u64_f64(float64_t a) {
> +// CHECK: test_vcvtm_u64_f64
> +// CHECK: fcvtmu {{d[0-9]+}}, {{d[0-9]+}}
> + return (uint64_t)vcvtm_u64_f64(a);
> +}
> +
> int32_t test_vcvtns_s32_f32(float32_t a) {
> // CHECK: test_vcvtns_s32_f32
> // CHECK: fcvtns {{s[0-9]+}}, {{s[0-9]+}}
> @@ -72,6 +96,12 @@ int64_t test_vcvtnd_s64_f64(float64_t a)
> return (int64_t)vcvtnd_s64_f64(a);
> }
>
> +int64_t test_vcvtn_s64_f64(float64_t a) {
> +// CHECK: test_vcvtn_s64_f64
> +// CHECK: fcvtns {{d[0-9]+}}, {{d[0-9]+}}
> + return (int64_t)vcvtn_s64_f64(a);
> +}
> +
> uint32_t test_vcvtns_u32_f32(float32_t a) {
> // CHECK: test_vcvtns_u32_f32
> // CHECK: fcvtnu {{s[0-9]+}}, {{s[0-9]+}}
> @@ -84,6 +114,12 @@ uint64_t test_vcvtnd_u64_f64(float64_t a
> return (uint64_t)vcvtnd_u64_f64(a);
> }
>
> +uint64_t test_vcvtn_u64_f64(float64_t a) {
> +// CHECK: test_vcvtn_u64_f64
> +// CHECK: fcvtnu {{d[0-9]+}}, {{d[0-9]+}}
> + return (uint64_t)vcvtn_u64_f64(a);
> +}
> +
> int32_t test_vcvtps_s32_f32(float32_t a) {
> // CHECK: test_vcvtps_s32_f32
> // CHECK: fcvtps {{s[0-9]+}}, {{s[0-9]+}}
> @@ -96,6 +132,12 @@ int64_t test_vcvtpd_s64_f64(float64_t a)
> return (int64_t)vcvtpd_s64_f64(a);
> }
>
> +int64_t test_vcvtp_s64_f64(float64_t a) {
> +// CHECK: test_vcvtp_s64_f64
> +// CHECK: fcvtps {{d[0-9]+}}, {{d[0-9]+}}
> + return (int64_t)vcvtp_s64_f64(a);
> +}
> +
> uint32_t test_vcvtps_u32_f32(float32_t a) {
> // CHECK: test_vcvtps_u32_f32
> // CHECK: fcvtpu {{s[0-9]+}}, {{s[0-9]+}}
> @@ -108,6 +150,12 @@ uint64_t test_vcvtpd_u64_f64(float64_t a
> return (uint64_t)vcvtpd_u64_f64(a);
> }
>
> +uint64_t test_vcvtp_u64_f64(float64_t a) {
> +// CHECK: test_vcvtp_u64_f64
> +// CHECK: fcvtpu {{d[0-9]+}}, {{d[0-9]+}}
> + return (uint64_t)vcvtp_u64_f64(a);
> +}
> +
> int32_t test_vcvts_s32_f32(float32_t a) {
> // CHECK: test_vcvts_s32_f32
> // CHECK: fcvtzs {{s[0-9]+}}, {{s[0-9]+}}
> @@ -120,6 +168,12 @@ int64_t test_vcvtd_s64_f64(float64_t a)
> return (int64_t)vcvtd_s64_f64(a);
> }
>
> +int64_t test_vcvt_s64_f64(float64_t a) {
> +// CHECK: test_vcvt_s64_f64
> +// CHECK: fcvtzs {{d[0-9]+}}, {{d[0-9]+}}
> + return (int64_t)vcvt_s64_f64(a);
> +}
> +
> uint32_t test_vcvts_u32_f32(float32_t a) {
> // CHECK: test_vcvts_u32_f32
> // CHECK: fcvtzu {{s[0-9]+}}, {{s[0-9]+}}
> @@ -131,3 +185,9 @@ uint64_t test_vcvtd_u64_f64(float64_t a)
> // CHECK: fcvtzu {{d[0-9]+}}, {{d[0-9]+}}
> return (uint64_t)vcvtd_u64_f64(a);
> }
> +
> +uint64_t test_vcvt_u64_f64(float64_t a) {
> +// CHECK: test_vcvt_u64_f64
> +// CHECK: fcvtzu {{d[0-9]+}}, {{d[0-9]+}}
> + return (uint64_t)vcvt_u64_f64(a);
> +}
>
> Modified: cfe/trunk/test/CodeGen/aarch64-neon-intrinsics.c
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/aarch64-neon-intrinsics.c?rev=196152&r1=196151&r2=196152&view=diff
> ==============================================================================
> --- cfe/trunk/test/CodeGen/aarch64-neon-intrinsics.c (original)
> +++ cfe/trunk/test/CodeGen/aarch64-neon-intrinsics.c Mon Dec 2 15:07:24 2013
> @@ -5616,6 +5616,12 @@ float64_t test_vcvtd_f64_s64(int64_t a)
> return vcvtd_f64_s64(a);
> }
>
> +float64_t test_vcvt_f64_s64(int64_t a) {
> +// CHECK: test_vcvt_f64_s64
> +// CHECK: scvtf {{d[0-9]+}}, {{d[0-9]+}}
> + return vcvt_f64_s64(a);
> +}
> +
> float32_t test_vcvts_f32_u32(uint32_t a) {
> // CHECK: test_vcvts_f32_u32
> // CHECK: ucvtf {{s[0-9]+}}, {{s[0-9]+}}
> @@ -5628,6 +5634,12 @@ float64_t test_vcvtd_f64_u64(uint64_t a)
> return vcvtd_f64_u64(a);
> }
>
> +float64_t test_vcvt_f64_u64(uint64_t a) {
> +// CHECK: test_vcvt_f64_u64
> +// CHECK: ucvtf {{d[0-9]+}}, {{d[0-9]+}}
> + return vcvt_f64_u64(a);
> +}
> +
> float32_t test_vrecpes_f32(float32_t a) {
> // CHECK: test_vrecpes_f32
> // CHECK: frecpe {{s[0-9]+}}, {{s[0-9]+}}
> @@ -11218,3 +11230,9 @@ float64_t test_vabdd_f64(float64_t a, fl
> // CHECK: fabd {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
> return vabdd_f64(a, b);
> }
> +
> +float64_t test_vabd_f64(float64_t a, float64_t b) {
> +// CHECK-LABEL: test_vabd_f64
> +// CHECK: fabd {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
> + return vabd_f64(a, b);
> +}
>
> Modified: cfe/trunk/utils/TableGen/NeonEmitter.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/TableGen/NeonEmitter.cpp?rev=196152&r1=196151&r2=196152&view=diff
> ==============================================================================
> --- cfe/trunk/utils/TableGen/NeonEmitter.cpp (original)
> +++ cfe/trunk/utils/TableGen/NeonEmitter.cpp Mon Dec 2 15:07:24 2013
> @@ -375,8 +375,8 @@ static void ParseTypes(Record *r, std::s
> int len = 0;
>
> for (unsigned i = 0, e = s.size(); i != e; ++i, ++len) {
> - if (data[len] == 'P' || data[len] == 'Q' || data[len] == 'U'
> - || data[len] == 'H' || data[len] == 'S')
> + if (data[len] == 'P' || data[len] == 'Q' || data[len] == 'U' ||
> + data[len] == 'H' || data[len] == 'S' || data[len] == 'T')
> continue;
>
> switch (data[len]) {
> @@ -464,9 +464,9 @@ static std::string GetNarrowTypestr(Stri
> static char ClassifyType(StringRef ty, bool &quad, bool &poly, bool &usgn) {
> unsigned off = 0;
> // ignore scalar.
> - if (ty[off] == 'S') {
> + if (ty[off] == 'S' || ty[off] == 'T')
> ++off;
> - }
> +
> // remember quad.
> if (ty[off] == 'Q' || ty[off] == 'H') {
> quad = true;
> @@ -881,9 +881,14 @@ static void InstructionTypeCode(const St
>
> static char Insert_BHSD_Suffix(StringRef typestr){
> unsigned off = 0;
> - if(typestr[off++] == 'S'){
> - while(typestr[off] == 'Q' || typestr[off] == 'H'||
> - typestr[off] == 'P' || typestr[off] == 'U')
> +
> + // Don't include the BHSD suffix.
> + if (typestr[0] == 'T')
> + return 0;
> +
> + if (typestr[off++] == 'S') {
> + while (typestr[off] == 'Q' || typestr[off] == 'H'||
> + typestr[off] == 'P' || typestr[off] == 'U')
> ++off;
> switch (typestr[off]){
> default : break;
> @@ -911,7 +916,8 @@ static bool endsWith_xN(std::string cons
> /// MangleName - Append a type or width suffix to a base neon function name,
> /// and insert a 'q' in the appropriate location if type string starts with 'Q'.
> /// E.g. turn "vst2_lane" into "vst2q_lane_f32", etc.
> -/// Insert proper 'b' 'h' 's' 'd' if prefix 'S' is used.
> +/// Insert proper 'b' 'h' 's' 'd' if prefix 'S' is used. Do not insert size
> +/// suffix if the prefix 'T' is used.
> static std::string MangleName(const std::string &name, StringRef typestr,
> ClassKind ck) {
> if (name == "vcvt_f32_f16" || name == "vcvt_f32_f64")
>
>
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