Author: mcrosier
Date: Fri Oct 18 09:03:36 2013
New Revision: 192971
URL: http://llvm.org/viewvc/llvm-project?rev=192971&view=rev
Log:
[AArch64] Add support for NEON scalar extract narrow instructions.
Modified:
cfe/trunk/include/clang/Basic/arm_neon.td
cfe/trunk/lib/CodeGen/CGBuiltin.cpp
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=192971&r1=192970&r2=192971&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/arm_neon.td (original)
+++ cfe/trunk/include/clang/Basic/arm_neon.td Fri Oct 18 09:03:36 2013
@@ -166,7 +166,8 @@ class NoTestOpInst<string n, string p, s
// i: constant int
// l: constant uint64
// s: scalar of element type
-// r: scalar of double width element type
+// z: scalar of half width element type, signed
+// r: scalar of double width element type, signed
// a: scalar of element type (splat to vector type)
// y: scalar of float
// o: scalar of double
@@ -890,4 +891,16 @@ def SCALAR_SQDMLSL : SInst<"vqdmlsl", "r
////////////////////////////////////////////////////////////////////////////////
// Signed Saturating Doubling Multiply Long
def SCALAR_SQDMULL : SInst<"vqdmull", "rss", "SsSi">;
+
+////////////////////////////////////////////////////////////////////////////////
+// Scalar Signed Saturating Extract Unsigned Narrow
+def SCALAR_SQXTUN : SInst<"vqmovun", "zs", "SsSiSl">;
+
+////////////////////////////////////////////////////////////////////////////////
+// Scalar Signed Saturating Extract Narrow
+def SCALAR_SQXTN : SInst<"vqmovn", "zs", "SsSiSl">;
+
+////////////////////////////////////////////////////////////////////////////////
+// Scalar Unsigned Saturating Extract Narrow
+def SCALAR_UQXTN : SInst<"vqmovn", "zs", "SUsSUiSUl">;
}
Modified: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBuiltin.cpp?rev=192971&r1=192970&r2=192971&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGBuiltin.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp Fri Oct 18 09:03:36 2013
@@ -1756,6 +1756,7 @@ static Value *EmitAArch64ScalarBuiltinEx
bool ExtendEle = false;
bool OverloadInt = false;
bool OverloadWideInt = false;
+ bool OverloadNarrowInt = false;
const char *s = NULL;
SmallVector<Value *, 4> Ops;
@@ -2126,6 +2127,24 @@ static Value *EmitAArch64ScalarBuiltinEx
case AArch64::BI__builtin_neon_vqdmulls_s32:
Int = Intrinsic::aarch64_neon_vqdmull;
s = "vqdmull"; OverloadWideInt = true; break;
+ // Scalar Signed Saturating Extract Unsigned Narrow
+ case AArch64::BI__builtin_neon_vqmovunh_s16:
+ case AArch64::BI__builtin_neon_vqmovuns_s32:
+ case AArch64::BI__builtin_neon_vqmovund_s64:
+ Int = Intrinsic::arm_neon_vqmovnsu;
+ s = "vqmovun"; OverloadNarrowInt = true; break;
+ // Scalar Signed Saturating Extract Narrow
+ case AArch64::BI__builtin_neon_vqmovnh_s16:
+ case AArch64::BI__builtin_neon_vqmovns_s32:
+ case AArch64::BI__builtin_neon_vqmovnd_s64:
+ Int = Intrinsic::arm_neon_vqmovns;
+ s = "vqmovn"; OverloadNarrowInt = true; break;
+ // Scalar Unsigned Saturating Extract Narrow
+ case AArch64::BI__builtin_neon_vqmovnh_u16:
+ case AArch64::BI__builtin_neon_vqmovns_u32:
+ case AArch64::BI__builtin_neon_vqmovnd_u64:
+ Int = Intrinsic::arm_neon_vqmovnu;
+ s = "vqmovn"; OverloadNarrowInt = true; break;
}
if (!Int)
@@ -2159,12 +2178,14 @@ static Value *EmitAArch64ScalarBuiltinEx
assert(VTy);
F = CGF.CGM.getIntrinsic(Int, VTy);
- } else if (OverloadWideInt) {
+ } else if (OverloadWideInt || OverloadNarrowInt) {
// Determine the type of this overloaded AArch64 intrinsic
const Expr *Arg = E->getArg(E->getNumArgs()-1);
llvm::Type *Ty = CGF.ConvertType(Arg->getType());
llvm::VectorType *VTy = llvm::VectorType::get(Ty, 1);
- llvm::VectorType *RTy =
llvm::VectorType::getExtendedElementVectorType(VTy);
+ llvm::VectorType *RTy = OverloadWideInt ?
+ llvm::VectorType::getExtendedElementVectorType(VTy) :
+ llvm::VectorType::getTruncatedElementVectorType(VTy);
F = CGF.CGM.getIntrinsic(Int, RTy);
} else
F = CGF.CGM.getIntrinsic(Int);
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=192971&r1=192970&r2=192971&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/aarch64-neon-intrinsics.c (original)
+++ cfe/trunk/test/CodeGen/aarch64-neon-intrinsics.c Fri Oct 18 09:03:36 2013
@@ -7261,3 +7261,57 @@ int64_t test_vqdmulls_s32(int32_t a, int
// CHECK: sqdmull {{d[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
return (int64_t)vqdmulls_s32(a, b);
}
+
+int8_t test_vqmovunh_s16(int16_t a) {
+// CHECK: test_vqmovunh_s16
+// CHECK: sqxtun {{b[0-9]+}}, {{h[0-9]+}}
+ return (int8_t)vqmovunh_s16(a);
+}
+
+int16_t test_vqmovuns_s32(int32_t a) {
+// CHECK: test_vqmovuns_s32
+// CHECK: sqxtun {{h[0-9]+}}, {{s[0-9]+}}
+ return (int16_t)vqmovuns_s32(a);
+}
+
+int32_t test_vqmovund_s64(int64_t a) {
+// CHECK: test_vqmovund_s64
+// CHECK: sqxtun {{s[0-9]+}}, {{d[0-9]+}}
+ return (int32_t)vqmovund_s64(a);
+}
+
+int8_t test_vqmovnh_s16(int16_t a) {
+// CHECK: test_vqmovnh_s16
+// CHECK: sqxtn {{b[0-9]+}}, {{h[0-9]+}}
+ return (int8_t)vqmovnh_s16(a);
+}
+
+int16_t test_vqmovns_s32(int32_t a) {
+// CHECK: test_vqmovns_s32
+// CHECK: sqxtn {{h[0-9]+}}, {{s[0-9]+}}
+ return (int16_t)vqmovns_s32(a);
+}
+
+int32_t test_vqmovnd_s64(int64_t a) {
+// CHECK: test_vqmovnd_s64
+// CHECK: sqxtn {{s[0-9]+}}, {{d[0-9]+}}
+ return (int32_t)vqmovnd_s64(a);
+}
+
+int8_t test_vqmovnh_u16(int16_t a) {
+// CHECK: test_vqmovnh_u16
+// CHECK: uqxtn {{b[0-9]+}}, {{h[0-9]+}}
+ return (int8_t)vqmovnh_u16(a);
+}
+
+int16_t test_vqmovns_u32(int32_t a) {
+// CHECK: test_vqmovns_u32
+// CHECK: uqxtn {{h[0-9]+}}, {{s[0-9]+}}
+ return (int16_t)vqmovns_u32(a);
+}
+
+int32_t test_vqmovnd_u64(int64_t a) {
+// CHECK: test_vqmovnd_u64
+// CHECK: uqxtn {{s[0-9]+}}, {{d[0-9]+}}
+ return (int32_t)vqmovnd_u64(a);
+}
Modified: cfe/trunk/utils/TableGen/NeonEmitter.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/TableGen/NeonEmitter.cpp?rev=192971&r1=192970&r2=192971&view=diff
==============================================================================
--- cfe/trunk/utils/TableGen/NeonEmitter.cpp (original)
+++ cfe/trunk/utils/TableGen/NeonEmitter.cpp Fri Oct 18 09:03:36 2013
@@ -493,8 +493,14 @@ static char ModType(const char mod, char
scal = true;
usgn = true;
break;
+ case 'z':
+ type = Narrow(type);
+ scal = true;
+ break;
case 'r':
type = Widen(type);
+ scal = true;
+ break;
case 's':
case 'a':
scal = true;
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