r194395 - [AArch64] Add support for NEON scalar floating-point convert to fixed-point instructions.
Chad Rosier
mcrosier at codeaurora.org
Mon Nov 11 10:04:22 PST 2013
Author: mcrosier
Date: Mon Nov 11 12:04:22 2013
New Revision: 194395
URL: http://llvm.org/viewvc/llvm-project?rev=194395&view=rev
Log:
[AArch64] Add support for NEON scalar floating-point convert to fixed-point 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=194395&r1=194394&r2=194395&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/arm_neon.td (original)
+++ cfe/trunk/include/clang/Basic/arm_neon.td Mon Nov 11 12:04:22 2013
@@ -179,6 +179,7 @@ class NoTestOpInst<string n, string p, s
// r: scalar of double width element type, signed
// a: scalar of element type (splat to vector type)
// b: scalar of unsigned integer/long type (int/float args)
+// $: scalar of signed integer/long type (int/float args)
// y: scalar of float
// o: scalar of double
// k: default elt width, double num elts
@@ -870,7 +871,6 @@ def SCALAR_SQRSHRN_N: SInst<"vqrshrn_n",
def SCALAR_SQSHRUN_N: SInst<"vqshrun_n", "zsi", "SsSiSl">;
// Signed Saturating Rounded Shift Right Unsigned Narrow (Immediate)
def SCALAR_SQRSHRUN_N: SInst<"vqrshrun_n", "zsi", "SsSiSl">;
-}
////////////////////////////////////////////////////////////////////////////////
// Scalar Signed/Unsigned Fixed-point Convert To Floating-Point (Immediate)
@@ -879,10 +879,11 @@ def SCALAR_SCVTF_N_F64: SInst<"vcvt_n_f6
////////////////////////////////////////////////////////////////////////////////
// Scalar Floating-point Convert To Signed/Unsigned Fixed-point (Immediate)
-def SCALAR_FCVTZS_N_S32 : SInst<"vcvt_n_s32", "xsi", "Sf">;
-def SCALAR_FCVTZU_N_U32 : SInst<"vcvt_n_u32", "usi", "Sf">;
-def SCALAR_FCVTZS_N_S64 : SInst<"vcvt_n_s64", "xsi", "Sd">;
-def SCALAR_FCVTZU_N_U64 : SInst<"vcvt_n_u64", "usi", "Sd">;
+def SCALAR_FCVTZS_N_S32 : SInst<"vcvt_n_s32", "$si", "Sf">;
+def SCALAR_FCVTZU_N_U32 : SInst<"vcvt_n_u32", "bsi", "Sf">;
+def SCALAR_FCVTZS_N_S64 : SInst<"vcvt_n_s64", "$si", "Sd">;
+def SCALAR_FCVTZU_N_U64 : SInst<"vcvt_n_u64", "bsi", "Sd">;
+}
////////////////////////////////////////////////////////////////////////////////
// Scalar Reduce Pairwise Addition (Scalar and Floating Point)
Modified: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBuiltin.cpp?rev=194395&r1=194394&r2=194395&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGBuiltin.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp Mon Nov 11 12:04:22 2013
@@ -2384,6 +2384,20 @@ static Value *EmitAArch64ScalarBuiltinEx
case AArch64::BI__builtin_neon_vcvtd_n_f64_u64:
Int = Intrinsic::aarch64_neon_vcvtf64_n_u64;
s = "vcvtf"; OverloadInt = false; break;
+ // Scalar Floating-point Convert To Signed Fixed-point (Immediate)
+ case AArch64::BI__builtin_neon_vcvts_n_s32_f32:
+ Int = Intrinsic::aarch64_neon_vcvts_n_s32_f32;
+ s = "fcvtzs"; OverloadInt = false; break;
+ case AArch64::BI__builtin_neon_vcvtd_n_s64_f64:
+ Int = Intrinsic::aarch64_neon_vcvtd_n_s64_f64;
+ s = "fcvtzs"; OverloadInt = false; break;
+ // Scalar Floating-point Convert To Unsigned Fixed-point (Immediate)
+ case AArch64::BI__builtin_neon_vcvts_n_u32_f32:
+ Int = Intrinsic::aarch64_neon_vcvts_n_u32_f32;
+ s = "fcvtzu"; OverloadInt = false; break;
+ case AArch64::BI__builtin_neon_vcvtd_n_u64_f64:
+ Int = Intrinsic::aarch64_neon_vcvtd_n_u64_f64;
+ s = "fcvtzu"; OverloadInt = false; break;
}
if (!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=194395&r1=194394&r2=194395&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/aarch64-neon-intrinsics.c (original)
+++ cfe/trunk/test/CodeGen/aarch64-neon-intrinsics.c Mon Nov 11 12:04:22 2013
@@ -7750,24 +7750,48 @@ int32_t test_vqrshrund_n_s64(int64_t a)
float32_t test_vcvts_n_f32_s32(int32_t a) {
// CHECK: test_vcvts_n_f32_s32
-// CHECK: scvtf {{s[0-9]+}}, {{s[0-9]+}}, #0
- return (float32_t)vcvts_n_f32_s32(a, 0);
+// CHECK: scvtf {{s[0-9]+}}, {{s[0-9]+}}, #1
+ return (float32_t)vcvts_n_f32_s32(a, 1);
}
float64_t test_vcvtd_n_f64_s64(int64_t a) {
// CHECK: test_vcvtd_n_f64_s64
-// CHECK: scvtf {{d[0-9]+}}, {{d[0-9]+}}, #0
- return (float64_t)vcvtd_n_f64_s64(a, 0);
+// CHECK: scvtf {{d[0-9]+}}, {{d[0-9]+}}, #1
+ return (float64_t)vcvtd_n_f64_s64(a, 1);
}
float32_t test_vcvts_n_f32_u32(uint32_t a) {
// CHECK: test_vcvts_n_f32_u32
-// CHECK: ucvtf {{s[0-9]+}}, {{s[0-9]+}}, #0
- return (float32_t)vcvts_n_f32_u32(a, 0);
+// CHECK: ucvtf {{s[0-9]+}}, {{s[0-9]+}}, #32
+ return (float32_t)vcvts_n_f32_u32(a, 32);
}
float64_t test_vcvtd_n_f64_u64(uint64_t a) {
// CHECK: test_vcvtd_n_f64_u64
-// CHECK: ucvtf {{d[0-9]+}}, {{d[0-9]+}}, #0
- return (float64_t)vcvtd_n_f64_u64(a, 0);
+// CHECK: ucvtf {{d[0-9]+}}, {{d[0-9]+}}, #64
+ return (float64_t)vcvtd_n_f64_u64(a, 64);
+}
+
+int32_t test_vcvts_n_s32_f32(float32_t a) {
+// CHECK: test_vcvts_n_s32_f32
+// CHECK: fcvtzs {{s[0-9]+}}, {{s[0-9]+}}, #1
+ return (int32_t)vcvts_n_s32_f32(a, 1);
+}
+
+int64_t test_vcvtd_n_s64_f64(float64_t a) {
+// CHECK: test_vcvtd_n_s64_f64
+// CHECK: fcvtzs {{d[0-9]+}}, {{d[0-9]+}}, #1
+ return (int64_t)vcvtd_n_s64_f64(a, 1);
+}
+
+uint32_t test_vcvts_n_u32_f32(float32_t a) {
+// CHECK: test_vcvts_n_u32_f32
+// CHECK: fcvtzu {{s[0-9]+}}, {{s[0-9]+}}, #32
+ return (uint32_t)vcvts_n_u32_f32(a, 32);
+}
+
+uint64_t test_vcvtd_n_u64_f64(float64_t a) {
+// CHECK: test_vcvtd_n_u64_f64
+// CHECK: fcvtzu {{d[0-9]+}}, {{d[0-9]+}}, #64
+ return (uint64_t)vcvtd_n_u64_f64(a, 64);
}
Modified: cfe/trunk/utils/TableGen/NeonEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/TableGen/NeonEmitter.cpp?rev=194395&r1=194394&r2=194395&view=diff
==============================================================================
--- cfe/trunk/utils/TableGen/NeonEmitter.cpp (original)
+++ cfe/trunk/utils/TableGen/NeonEmitter.cpp Mon Nov 11 12:04:22 2013
@@ -468,6 +468,8 @@ static char ModType(const char mod, char
if (type == 'd')
type = 'l';
break;
+ case '$':
+ scal = true;
case 'x':
usgn = false;
poly = false;
@@ -2547,8 +2549,10 @@ NeonEmitter::genIntrinsicRangeCheckCode(
"Fixed point convert name should contains \"32\" or \"64\"");
} else if (R->getValueAsBit("isScalarShift")) {
- // Right shifts have an 'r' in the name, left shifts do not.
- if (name.find('r') != std::string::npos)
+ // Right shifts have an 'r' in the name, left shifts do not. Convert
+ // instructions have the same bounds and right shifts.
+ if (name.find('r') != std::string::npos ||
+ name.find("cvt") != std::string::npos)
rangestr = "l = 1; ";
rangestr += "u = " +
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