r178331 - Add RDSEED intrinsic support defined in AVX2 extension
Michael Liao
michael.liao at intel.com
Thu Mar 28 22:17:55 PDT 2013
Author: hliao
Date: Fri Mar 29 00:17:55 2013
New Revision: 178331
URL: http://llvm.org/viewvc/llvm-project?rev=178331&view=rev
Log:
Add RDSEED intrinsic support defined in AVX2 extension
Added:
cfe/trunk/lib/Headers/rdseedintrin.h
Modified:
cfe/trunk/include/clang/Basic/BuiltinsX86.def
cfe/trunk/include/clang/Driver/Options.td
cfe/trunk/lib/Basic/Targets.cpp
cfe/trunk/lib/CodeGen/CGBuiltin.cpp
cfe/trunk/lib/Headers/CMakeLists.txt
cfe/trunk/lib/Headers/x86intrin.h
cfe/trunk/test/CodeGen/rdrand-builtins.c
Modified: cfe/trunk/include/clang/Basic/BuiltinsX86.def
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/BuiltinsX86.def?rev=178331&r1=178330&r2=178331&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/BuiltinsX86.def (original)
+++ cfe/trunk/include/clang/Basic/BuiltinsX86.def Fri Mar 29 00:17:55 2013
@@ -624,6 +624,11 @@ BUILTIN(__builtin_ia32_rdrand16_step, "U
BUILTIN(__builtin_ia32_rdrand32_step, "UiUi*", "")
BUILTIN(__builtin_ia32_rdrand64_step, "UiULLi*", "")
+// RDSEED
+BUILTIN(__builtin_ia32_rdseed16_step, "UiUs*", "")
+BUILTIN(__builtin_ia32_rdseed32_step, "UiUi*", "")
+BUILTIN(__builtin_ia32_rdseed64_step, "UiULLi*", "")
+
// BMI
BUILTIN(__builtin_ia32_bextr_u32, "UiUiUi", "")
BUILTIN(__builtin_ia32_bextr_u64, "ULLiULLiULLi", "")
Modified: cfe/trunk/include/clang/Driver/Options.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Options.td?rev=178331&r1=178330&r2=178331&view=diff
==============================================================================
--- cfe/trunk/include/clang/Driver/Options.td (original)
+++ cfe/trunk/include/clang/Driver/Options.td Fri Mar 29 00:17:55 2013
@@ -902,6 +902,7 @@ def mno_xop : Flag<["-"], "mno-xop">, Gr
def mno_f16c : Flag<["-"], "mno-f16c">, Group<m_x86_Features_Group>;
def mno_rtm : Flag<["-"], "mno-rtm">, Group<m_x86_Features_Group>;
def mno_prfchw : Flag<["-"], "mno-prfchw">, Group<m_x86_Features_Group>;
+def mno_rdseed : Flag<["-"], "mno-rdseed">, Group<m_x86_Features_Group>;
def mno_thumb : Flag<["-"], "mno-thumb">, Group<m_Group>;
def marm : Flag<["-"], "marm">, Alias<mno_thumb>;
@@ -946,6 +947,7 @@ def mxop : Flag<["-"], "mxop">, Group<m_
def mf16c : Flag<["-"], "mf16c">, Group<m_x86_Features_Group>;
def mrtm : Flag<["-"], "mrtm">, Group<m_x86_Features_Group>;
def mprfchw : Flag<["-"], "mprfchw">, Group<m_x86_Features_Group>;
+def mrdseed : Flag<["-"], "mrdseed">, Group<m_x86_Features_Group>;
def mips16 : Flag<["-"], "mips16">, Group<m_Group>;
def mno_mips16 : Flag<["-"], "mno-mips16">, Group<m_Group>;
def mxgot : Flag<["-"], "mxgot">, Group<m_Group>;
Modified: cfe/trunk/lib/Basic/Targets.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=178331&r1=178330&r2=178331&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets.cpp (original)
+++ cfe/trunk/lib/Basic/Targets.cpp Fri Mar 29 00:17:55 2013
@@ -1703,6 +1703,7 @@ class X86TargetInfo : public TargetInfo
bool HasPOPCNT;
bool HasRTM;
bool HasPRFCHW;
+ bool HasRDSEED;
bool HasSSE4a;
bool HasFMA4;
bool HasFMA;
@@ -1854,7 +1855,7 @@ public:
: TargetInfo(triple), SSELevel(NoSSE), MMX3DNowLevel(NoMMX3DNow),
HasAES(false), HasPCLMUL(false), HasLZCNT(false), HasRDRND(false),
HasBMI(false), HasBMI2(false), HasPOPCNT(false), HasRTM(false),
- HasPRFCHW(false), HasSSE4a(false), HasFMA4(false),
+ HasPRFCHW(false), HasRDSEED(false), HasSSE4a(false), HasFMA4(false),
HasFMA(false), HasXOP(false), HasF16C(false), CPU(CK_Generic) {
BigEndian = false;
LongDoubleFormat = &llvm::APFloat::x87DoubleExtended;
@@ -2062,6 +2063,7 @@ void X86TargetInfo::getDefaultFeatures(l
Features["popcnt"] = false;
Features["rtm"] = false;
Features["prfchw"] = false;
+ Features["rdseed"] = false;
Features["fma4"] = false;
Features["fma"] = false;
Features["xop"] = false;
@@ -2286,6 +2288,8 @@ bool X86TargetInfo::setFeatureEnabled(ll
Features["rtm"] = true;
else if (Name == "prfchw")
Features["prfchw"] = true;
+ else if (Name == "rdseed")
+ Features["rdseed"] = true;
} else {
if (Name == "mmx")
Features["mmx"] = Features["3dnow"] = Features["3dnowa"] = false;
@@ -2352,6 +2356,8 @@ bool X86TargetInfo::setFeatureEnabled(ll
Features["rtm"] = false;
else if (Name == "prfchw")
Features["prfchw"] = false;
+ else if (Name == "rdseed")
+ Features["rdseed"] = false;
}
return true;
@@ -2413,6 +2419,11 @@ void X86TargetInfo::HandleTargetFeatures
continue;
}
+ if (Feature == "rdseed") {
+ HasRDSEED = true;
+ continue;
+ }
+
if (Feature == "sse4a") {
HasSSE4a = true;
continue;
@@ -2640,6 +2651,9 @@ void X86TargetInfo::getTargetDefines(con
if (HasPRFCHW)
Builder.defineMacro("__PRFCHW__");
+ if (HasRDSEED)
+ Builder.defineMacro("__RDSEED__");
+
if (HasSSE4a)
Builder.defineMacro("__SSE4A__");
@@ -2729,6 +2743,7 @@ bool X86TargetInfo::hasFeature(StringRef
.Case("popcnt", HasPOPCNT)
.Case("rtm", HasRTM)
.Case("prfchw", HasPRFCHW)
+ .Case("rdseed", HasRDSEED)
.Case("sse", SSELevel >= SSE1)
.Case("sse2", SSELevel >= SSE2)
.Case("sse3", SSELevel >= SSE3)
Modified: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBuiltin.cpp?rev=178331&r1=178330&r2=178331&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGBuiltin.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp Fri Mar 29 00:17:55 2013
@@ -2709,7 +2709,10 @@ Value *CodeGenFunction::EmitX86BuiltinEx
}
case X86::BI__builtin_ia32_rdrand16_step:
case X86::BI__builtin_ia32_rdrand32_step:
- case X86::BI__builtin_ia32_rdrand64_step: {
+ case X86::BI__builtin_ia32_rdrand64_step:
+ case X86::BI__builtin_ia32_rdseed16_step:
+ case X86::BI__builtin_ia32_rdseed32_step:
+ case X86::BI__builtin_ia32_rdseed64_step: {
Intrinsic::ID ID;
switch (BuiltinID) {
default: llvm_unreachable("Unsupported intrinsic!");
@@ -2722,6 +2725,15 @@ Value *CodeGenFunction::EmitX86BuiltinEx
case X86::BI__builtin_ia32_rdrand64_step:
ID = Intrinsic::x86_rdrand_64;
break;
+ case X86::BI__builtin_ia32_rdseed16_step:
+ ID = Intrinsic::x86_rdseed_16;
+ break;
+ case X86::BI__builtin_ia32_rdseed32_step:
+ ID = Intrinsic::x86_rdseed_32;
+ break;
+ case X86::BI__builtin_ia32_rdseed64_step:
+ ID = Intrinsic::x86_rdseed_64;
+ break;
}
Value *Call = Builder.CreateCall(CGM.getIntrinsic(ID));
Modified: cfe/trunk/lib/Headers/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/CMakeLists.txt?rev=178331&r1=178330&r2=178331&view=diff
==============================================================================
--- cfe/trunk/lib/Headers/CMakeLists.txt (original)
+++ cfe/trunk/lib/Headers/CMakeLists.txt Fri Mar 29 00:17:55 2013
@@ -21,6 +21,7 @@ set(files
pmmintrin.h
popcntintrin.h
prfchwintrin.h
+ rdseedintrin.h
rtmintrin.h
smmintrin.h
stdalign.h
Added: cfe/trunk/lib/Headers/rdseedintrin.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/rdseedintrin.h?rev=178331&view=auto
==============================================================================
--- cfe/trunk/lib/Headers/rdseedintrin.h (added)
+++ cfe/trunk/lib/Headers/rdseedintrin.h Fri Mar 29 00:17:55 2013
@@ -0,0 +1,48 @@
+/*===---- rdseedintrin.h - RDSEED intrinsics -------------------------------===
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ *===-----------------------------------------------------------------------===
+ */
+
+#ifndef __X86INTRIN_H
+#error "Never use <rdseedintrin.h> directly; include <x86intrin.h> instead."
+#endif
+
+#ifdef __RDSEED__
+static __inline__ int __attribute__((__always_inline__, __nodebug__))
+_rdseed16_step(unsigned short *__p)
+{
+ return __builtin_ia32_rdseed16_step(__p);
+}
+
+static __inline__ int __attribute__((__always_inline__, __nodebug__))
+_rdseed32_step(unsigned int *__p)
+{
+ return __builtin_ia32_rdseed32_step(__p);
+}
+
+#ifdef __x86_64__
+static __inline__ int __attribute__((__always_inline__, __nodebug__))
+_rdseed64_step(unsigned long long *__p)
+{
+ return __builtin_ia32_rdseed64_step(__p);
+}
+#endif
+#endif /* __RDSEED__ */
Modified: cfe/trunk/lib/Headers/x86intrin.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/x86intrin.h?rev=178331&r1=178330&r2=178331&view=diff
==============================================================================
--- cfe/trunk/lib/Headers/x86intrin.h (original)
+++ cfe/trunk/lib/Headers/x86intrin.h Fri Mar 29 00:17:55 2013
@@ -46,6 +46,10 @@
#include <popcntintrin.h>
#endif
+#ifdef __RDSEED__
+#include <rdseedintrin.h>
+#endif
+
#ifdef __PRFCHW__
#include <prfchwintrin.h>
#endif
Modified: cfe/trunk/test/CodeGen/rdrand-builtins.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/rdrand-builtins.c?rev=178331&r1=178330&r2=178331&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/rdrand-builtins.c (original)
+++ cfe/trunk/test/CodeGen/rdrand-builtins.c Fri Mar 29 00:17:55 2013
@@ -1,9 +1,9 @@
-// RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-feature +rdrnd -emit-llvm -S -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-feature +rdrnd -target-feature +rdseed -emit-llvm -o - %s | FileCheck %s
// Don't include mm_malloc.h, it's system specific.
#define __MM_MALLOC_H
-#include <immintrin.h>
+#include <x86intrin.h>
int rdrand16(unsigned short *p) {
return _rdrand16_step(p);
@@ -25,3 +25,24 @@ int rdrand64(unsigned long long *p) {
// CHECK: call { i64, i32 } @llvm.x86.rdrand.64
// CHECK: store i64
}
+
+int rdseed16(unsigned short *p) {
+ return _rdseed16_step(p);
+// CHECK: @rdseed16
+// CHECK: call { i16, i32 } @llvm.x86.rdseed.16
+// CHECK: store i16
+}
+
+int rdseed32(unsigned *p) {
+ return _rdseed32_step(p);
+// CHECK: @rdseed32
+// CHECK: call { i32, i32 } @llvm.x86.rdseed.32
+// CHECK: store i32
+}
+
+int rdseed64(unsigned long long *p) {
+ return _rdseed64_step(p);
+// CHECK: @rdseed64
+// CHECK: call { i64, i32 } @llvm.x86.rdseed.64
+// CHECK: store i64
+}
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