r233205 - Add Hardware Transactional Memory (HTM) Support
Richard Smith
richard at metafoo.co.uk
Wed Mar 25 13:47:40 PDT 2015
On Wed, Mar 25, 2015 at 12:41 PM, Kit Barton <kbarton at ca.ibm.com> wrote:
> Author: kbarton
> Date: Wed Mar 25 14:41:41 2015
> New Revision: 233205
>
> URL: http://llvm.org/viewvc/llvm-project?rev=233205&view=rev
> Log:
> Add Hardware Transactional Memory (HTM) Support
>
> This patch adds Hardware Transaction Memory (HTM) support supported by ISA
> 2.07
> (POWER8). The intrinsic support is based on GCC one [1], with both
> 'PowerPC HTM
> Low Level Built-in Functions' and 'PowerPC HTM High Level Inline Functions'
> implemented.
>
> Along with builtins a new driver switch is added to enable/disable HTM
> instruction support (-mhtm) and a header with common definitions (mostly to
> parse the TFHAR register value). The HTM switch also sets a preprocessor
> builtin
> HTM.
>
> The HTM usage requires a recently newer kernel with PPC HTM enabled.
> Tested on
> powerpc64 and powerpc64le.
>
> This is send along a llvm patch to enabled the builtins and option switch.
>
> [1]
>
> https://gcc.gnu.org/onlinedocs/gcc/PowerPC-Hardware-Transactional-Memory-Built-in-Functions.html
>
> Phabricator Review: http://reviews.llvm.org/D8248
>
> Added:
> cfe/trunk/lib/Headers/htmintrin.h
> cfe/trunk/lib/Headers/htmxlintrin.h
> cfe/trunk/test/CodeGen/builtins-ppc-htm.c
> Modified:
> cfe/trunk/include/clang/Basic/BuiltinsPPC.def
> cfe/trunk/include/clang/Driver/Options.td
> cfe/trunk/lib/Basic/Targets.cpp
> cfe/trunk/lib/CodeGen/CGBuiltin.cpp
>
> Modified: cfe/trunk/include/clang/Basic/BuiltinsPPC.def
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/BuiltinsPPC.def?rev=233205&r1=233204&r2=233205&view=diff
>
> ==============================================================================
> --- cfe/trunk/include/clang/Basic/BuiltinsPPC.def (original)
> +++ cfe/trunk/include/clang/Basic/BuiltinsPPC.def Wed Mar 25 14:41:41 2015
> @@ -252,6 +252,37 @@ BUILTIN(__builtin_vsx_xsmindp, "ddd", ""
> BUILTIN(__builtin_vsx_xvdivdp, "V2dV2dV2d", "")
> BUILTIN(__builtin_vsx_xvdivsp, "V4fV4fV4f", "")
>
> +// HTM builtins
> +BUILTIN(__builtin_tbegin, "UiUIi", "")
> +BUILTIN(__builtin_tend, "UiUIi", "")
> +
> +BUILTIN(__builtin_tabort, "UiUi", "")
> +BUILTIN(__builtin_tabortdc, "UiUiUiUi", "")
> +BUILTIN(__builtin_tabortdci, "UiUiUii", "")
> +BUILTIN(__builtin_tabortwc, "UiUiUiUi", "")
> +BUILTIN(__builtin_tabortwci, "UiUiUii", "")
> +
> +BUILTIN(__builtin_tcheck, "Ui", "")
> +BUILTIN(__builtin_treclaim, "UiUi", "")
> +BUILTIN(__builtin_trechkpt, "Ui", "")
> +BUILTIN(__builtin_tsr, "UiUi", "")
> +
> +BUILTIN(__builtin_tendall, "Ui", "")
> +BUILTIN(__builtin_tresume, "Ui", "")
> +BUILTIN(__builtin_tsuspend, "Ui", "")
> +
> +BUILTIN(__builtin_get_texasr, "LUi", "c")
> +BUILTIN(__builtin_get_texasru, "LUi", "c")
> +BUILTIN(__builtin_get_tfhar, "LUi", "c")
> +BUILTIN(__builtin_get_tfiar, "LUi", "c")
> +
> +BUILTIN(__builtin_set_texasr, "vLUi", "c")
> +BUILTIN(__builtin_set_texasru, "vLUi", "c")
> +BUILTIN(__builtin_set_tfhar, "vLUi", "c")
> +BUILTIN(__builtin_set_tfiar, "vLUi", "c")
> +
> +BUILTIN(__builtin_ttest, "LUi", "")
> +
> // FIXME: Obviously incomplete.
>
> #undef BUILTIN
>
> Modified: cfe/trunk/include/clang/Driver/Options.td
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Options.td?rev=233205&r1=233204&r2=233205&view=diff
>
> ==============================================================================
> --- cfe/trunk/include/clang/Driver/Options.td (original)
> +++ cfe/trunk/include/clang/Driver/Options.td Wed Mar 25 14:41:41 2015
> @@ -1263,6 +1263,8 @@ def mpower8_crypto : Flag<["-"], "mcrypt
> Group<m_ppc_Features_Group>;
> def mnopower8_crypto : Flag<["-"], "mno-crypto">,
> Group<m_ppc_Features_Group>;
> +def mhtm : Flag<["-"], "mhtm">, Group<m_ppc_Features_Group>;
> +def mno_htm : Flag<["-"], "mno-htm">, Group<m_ppc_Features_Group>;
> def mfprnd : Flag<["-"], "mfprnd">, Group<m_ppc_Features_Group>;
> def mno_fprnd : Flag<["-"], "mno-fprnd">, Group<m_ppc_Features_Group>;
> def mcmpb : Flag<["-"], "mcmpb">, Group<m_ppc_Features_Group>;
>
> Modified: cfe/trunk/lib/Basic/Targets.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=233205&r1=233204&r2=233205&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/Basic/Targets.cpp (original)
> +++ cfe/trunk/lib/Basic/Targets.cpp Wed Mar 25 14:41:41 2015
> @@ -744,6 +744,7 @@ class PPCTargetInfo : public TargetInfo
> bool HasP8Vector;
> bool HasP8Crypto;
> bool HasQPX;
> + bool HasHTM;
>
> protected:
> std::string ABI;
> @@ -751,7 +752,7 @@ protected:
> public:
> PPCTargetInfo(const llvm::Triple &Triple)
> : TargetInfo(Triple), HasVSX(false), HasP8Vector(false),
> - HasP8Crypto(false), HasQPX(false) {
> + HasP8Crypto(false), HasQPX(false), HasHTM(false) {
> BigEndian = (Triple.getArch() != llvm::Triple::ppc64le);
> LongDoubleWidth = LongDoubleAlign = 128;
> LongDoubleFormat = &llvm::APFloat::PPCDoubleDouble;
> @@ -1026,6 +1027,11 @@ bool PPCTargetInfo::handleTargetFeatures
> continue;
> }
>
> + if (Feature == "htm") {
> + HasHTM = true;
> + continue;
> + }
> +
> // TODO: Finish this list and add an assert that we've handled them
> // all.
> }
> @@ -1180,6 +1186,8 @@ void PPCTargetInfo::getTargetDefines(con
> Builder.defineMacro("__POWER8_VECTOR__");
> if (HasP8Crypto)
> Builder.defineMacro("__CRYPTO__");
> + if (HasHTM)
> + Builder.defineMacro("__HTM__");
>
> // FIXME: The following are not yet generated here by Clang, but are
> // generated by GCC:
> @@ -1235,6 +1243,7 @@ bool PPCTargetInfo::hasFeature(StringRef
> .Case("power8-vector", HasP8Vector)
> .Case("crypto", HasP8Crypto)
> .Case("qpx", HasQPX)
> + .Case("htm", HasHTM)
> .Default(false);
> }
>
>
> Modified: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBuiltin.cpp?rev=233205&r1=233204&r2=233205&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/CodeGen/CGBuiltin.cpp (original)
> +++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp Wed Mar 25 14:41:41 2015
> @@ -26,6 +26,7 @@
> #include "llvm/IR/DataLayout.h"
> #include "llvm/IR/InlineAsm.h"
> #include "llvm/IR/Intrinsics.h"
> +#include <sstream>
>
> using namespace clang;
> using namespace CodeGen;
> @@ -6370,6 +6371,7 @@ Value *CodeGenFunction::EmitPPCBuiltinEx
> llvm::Function *F = CGM.getIntrinsic(ID);
> return Builder.CreateCall(F, Ops, "");
> }
> +
> // P8 Crypto builtins
> case PPC::BI__builtin_altivec_crypto_vshasigmaw:
> case PPC::BI__builtin_altivec_crypto_vshasigmad:
> @@ -6399,6 +6401,89 @@ Value *CodeGenFunction::EmitPPCBuiltinEx
> llvm::Function *F = CGM.getIntrinsic(ID);
> return Builder.CreateCall(F, Ops, "");
> }
> +
> + // HTM builtins
> + case PPC::BI__builtin_tbegin:
> + case PPC::BI__builtin_tend:
> + case PPC::BI__builtin_tsr: {
> + unsigned int MaxValue;
> + // The HTM instructions only accept one argument and with limited
> range.
> + ConstantInt *CI = dyn_cast<ConstantInt>(Ops[0]);
> + assert(CI);
> + switch (BuiltinID) {
> + case PPC::BI__builtin_tbegin:
> + ID = Intrinsic::ppc_tbegin;
> + MaxValue = 1;
> + break;
> + case PPC::BI__builtin_tend:
> + ID = Intrinsic::ppc_tend;
> + MaxValue = 1;
> + break;
> + case PPC::BI__builtin_tsr:
> + ID = Intrinsic::ppc_tsr;
> + MaxValue = 7;
> + break;
> + }
> + if (CI->getZExtValue() > MaxValue) {
> + std::stringstream ss;
> + ss << "argument out of range (should be 0 or " << MaxValue << ")";
> + CGM.Error(E->getArg(0)->getExprLoc(), ss.str());
> + return llvm::UndefValue::get(Ops[0]->getType());
>
This constraint should be checked and diagnosed in Sema, not here, and
should use a proper diagnostic.
+ }
> +
> + llvm::Function *F = CGM.getIntrinsic(ID);
> + return Builder.CreateCall(F, Ops, "");
> + }
> + case PPC::BI__builtin_tabortdc:
> + case PPC::BI__builtin_tabortwc: {
> + // For wd and dc variant of tabort first argument must be a 5-bit
> constant
> + // integer
> + ConstantInt *CI = dyn_cast<ConstantInt>(Ops[0]);
> + assert(CI);
> + if (CI->getZExtValue() > 31) {
> + CGM.ErrorUnsupported(E->getArg(0), "argument out of range (should
> be 0-31)");
> + return llvm::UndefValue::get(Ops[0]->getType());
>
Likewise here and in the two cases below.
Please also add some test coverage for these diagnostics.
+ }
> + switch (BuiltinID) {
> + case PPC::BI__builtin_tabortdc:
> + ID = Intrinsic::ppc_tabortdc;
> + break;
> + case PPC::BI__builtin_tabortwc:
> + ID = Intrinsic::ppc_tabortwc;
> + break;
> + }
> + llvm::Function *F = CGM.getIntrinsic(ID);
> + return Builder.CreateCall(F, Ops, "");
> + }
> + case PPC::BI__builtin_tabortdci:
> + case PPC::BI__builtin_tabortwci: {
> + // For wd and dc variant of tabort first and third argument must be a
> + // 5-bit constant integer
> + ConstantInt *CI = dyn_cast<ConstantInt>(Ops[0]);
> + assert(CI);
> + if (CI->getZExtValue() > 31) {
> + CGM.ErrorUnsupported(E->getArg(0), "argument out of range (should
> be 0-31)");
> + return llvm::UndefValue::get(Ops[0]->getType());
> + }
> + CI = dyn_cast<ConstantInt>(Ops[2]);
> + assert(CI);
> + if (CI->getZExtValue() > 31) {
> + CGM.ErrorUnsupported(E->getArg(2), "argument out of range (should
> be 0-31)");
> + return llvm::UndefValue::get(Ops[2]->getType());
> + }
> + switch (BuiltinID) {
> + default: llvm_unreachable("Unsupported htm intrinsic!");
> + case PPC::BI__builtin_tabortdci:
> + ID = Intrinsic::ppc_tabortdci;
> + break;
> + case PPC::BI__builtin_tabortwci:
> + ID = Intrinsic::ppc_tabortwci;
> + break;
> + }
> + llvm::Function *F = CGM.getIntrinsic(ID);
> + return Builder.CreateCall(F, Ops, "");
> + }
> +
> }
> }
>
>
> Added: cfe/trunk/lib/Headers/htmintrin.h
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/htmintrin.h?rev=233205&view=auto
>
> ==============================================================================
> --- cfe/trunk/lib/Headers/htmintrin.h (added)
> +++ cfe/trunk/lib/Headers/htmintrin.h Wed Mar 25 14:41:41 2015
> @@ -0,0 +1,131 @@
> +/*===---- htmintrin.h - Standard header for PowerPC HTM
> ---------------===*\
> + *
> + * 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 __HTMINTRIN_H
> +#define __HTMINTRIN_H
> +
> +#ifndef __HTM__
> +#error "HTM instruction set not enabled"
> +#endif
> +
> +#ifdef __powerpc__
> +
> +#include <stdint.h>
> +
> +typedef uint64_t texasr_t;
> +typedef uint32_t texasru_t;
> +typedef uint32_t texasrl_t;
> +typedef uintptr_t tfiar_t;
> +typedef uintptr_t tfhar_t;
> +
> +#define _HTM_STATE(CR0) ((CR0 >> 1) & 0x3)
> +#define _HTM_NONTRANSACTIONAL 0x0
> +#define _HTM_SUSPENDED 0x1
> +#define _HTM_TRANSACTIONAL 0x2
> +
> +#define _TEXASR_EXTRACT_BITS(TEXASR,BITNUM,SIZE) \
> + (((TEXASR) >> (63-(BITNUM))) & ((1<<(SIZE))-1))
> +#define _TEXASRU_EXTRACT_BITS(TEXASR,BITNUM,SIZE) \
> + (((TEXASR) >> (31-(BITNUM))) & ((1<<(SIZE))-1))
> +
> +#define _TEXASR_FAILURE_CODE(TEXASR) \
> + _TEXASR_EXTRACT_BITS(TEXASR, 7, 8)
> +#define _TEXASRU_FAILURE_CODE(TEXASRU) \
> + _TEXASRU_EXTRACT_BITS(TEXASRU, 7, 8)
> +
> +#define _TEXASR_FAILURE_PERSISTENT(TEXASR) \
> + _TEXASR_EXTRACT_BITS(TEXASR, 7, 1)
> +#define _TEXASRU_FAILURE_PERSISTENT(TEXASRU) \
> + _TEXASRU_EXTRACT_BITS(TEXASRU, 7, 1)
> +
> +#define _TEXASR_DISALLOWED(TEXASR) \
> + _TEXASR_EXTRACT_BITS(TEXASR, 8, 1)
> +#define _TEXASRU_DISALLOWED(TEXASRU) \
> + _TEXASRU_EXTRACT_BITS(TEXASRU, 8, 1)
> +
> +#define _TEXASR_NESTING_OVERFLOW(TEXASR) \
> + _TEXASR_EXTRACT_BITS(TEXASR, 9, 1)
> +#define _TEXASRU_NESTING_OVERFLOW(TEXASRU) \
> + _TEXASRU_EXTRACT_BITS(TEXASRU, 9, 1)
> +
> +#define _TEXASR_FOOTPRINT_OVERFLOW(TEXASR) \
> + _TEXASR_EXTRACT_BITS(TEXASR, 10, 1)
> +#define _TEXASRU_FOOTPRINT_OVERFLOW(TEXASRU) \
> + _TEXASRU_EXTRACT_BITS(TEXASRU, 10, 1)
> +
> +#define _TEXASR_SELF_INDUCED_CONFLICT(TEXASR) \
> + _TEXASR_EXTRACT_BITS(TEXASR, 11, 1)
> +#define _TEXASRU_SELF_INDUCED_CONFLICT(TEXASRU) \
> + _TEXASRU_EXTRACT_BITS(TEXASRU, 11, 1)
> +
> +#define _TEXASR_NON_TRANSACTIONAL_CONFLICT(TEXASR) \
> + _TEXASR_EXTRACT_BITS(TEXASR, 12, 1)
> +#define _TEXASRU_NON_TRANSACTIONAL_CONFLICT(TEXASRU) \
> + _TEXASRU_EXTRACT_BITS(TEXASRU, 12, 1)
> +
> +#define _TEXASR_TRANSACTION_CONFLICT(TEXASR) \
> + _TEXASR_EXTRACT_BITS(TEXASR, 13, 1)
> +#define _TEXASRU_TRANSACTION_CONFLICT(TEXASRU) \
> + _TEXASRU_EXTRACT_BITS(TEXASRU, 13, 1)
> +
> +#define _TEXASR_TRANSLATION_INVALIDATION_CONFLICT(TEXASR) \
> + _TEXASR_EXTRACT_BITS(TEXASR, 14, 1)
> +#define _TEXASRU_TRANSLATION_INVALIDATION_CONFLICT(TEXASRU) \
> + _TEXASRU_EXTRACT_BITS(TEXASRU, 14, 1)
> +
> +#define _TEXASR_IMPLEMENTAION_SPECIFIC(TEXASR) \
> + _TEXASR_EXTRACT_BITS(TEXASR, 15, 1)
> +#define _TEXASRU_IMPLEMENTAION_SPECIFIC(TEXASRU) \
> + _TEXASRU_EXTRACT_BITS(TEXASRU, 15, 1)
> +
> +#define _TEXASR_INSTRUCTION_FETCH_CONFLICT(TEXASR) \
> + _TEXASR_EXTRACT_BITS(TEXASR, 16, 1)
> +#define _TEXASRU_INSTRUCTION_FETCH_CONFLICT(TEXASRU) \
> + _TEXASRU_EXTRACT_BITS(TEXASRU, 16, 1)
> +
> +#define _TEXASR_ABORT(TEXASR) \
> + _TEXASR_EXTRACT_BITS(TEXASR, 31, 1)
> +#define _TEXASRU_ABORT(TEXASRU) \
> + _TEXASRU_EXTRACT_BITS(TEXASRU, 31, 1)
> +
> +
> +#define _TEXASR_SUSPENDED(TEXASR) \
> + _TEXASR_EXTRACT_BITS(TEXASR, 32, 1)
> +
> +#define _TEXASR_PRIVILEGE(TEXASR) \
> + _TEXASR_EXTRACT_BITS(TEXASR, 35, 2)
> +
> +#define _TEXASR_FAILURE_SUMMARY(TEXASR) \
> + _TEXASR_EXTRACT_BITS(TEXASR, 36, 1)
> +
> +#define _TEXASR_TFIAR_EXACT(TEXASR) \
> + _TEXASR_EXTRACT_BITS(TEXASR, 37, 1)
> +
> +#define _TEXASR_ROT(TEXASR) \
> + _TEXASR_EXTRACT_BITS(TEXASR, 38, 1)
> +
> +#define _TEXASR_TRANSACTION_LEVEL(TEXASR) \
> + _TEXASR_EXTRACT_BITS(TEXASR, 63, 12)
> +
> +#endif /* __powerpc */
> +
> +#endif /* __HTMINTRIN_H */
>
> Added: cfe/trunk/lib/Headers/htmxlintrin.h
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/htmxlintrin.h?rev=233205&view=auto
>
> ==============================================================================
> --- cfe/trunk/lib/Headers/htmxlintrin.h (added)
> +++ cfe/trunk/lib/Headers/htmxlintrin.h Wed Mar 25 14:41:41 2015
> @@ -0,0 +1,215 @@
> +/*===---- htmxlintrin.h - XL compiler HTM execution
> 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 __HTMXLINTRIN_H
> +#define __HTMXLINTRIN_H
> +
> +#ifndef __HTM__
> +#error "HTM instruction set not enabled"
> +#endif
> +
> +#include <htmintrin.h>
> +
> +#ifdef __powerpc__
> +
> +#ifdef __cplusplus
> +extern "C" {
> +#endif
> +
> +#define _TEXASR_PTR(TM_BUF) \
> + ((texasr_t *)((TM_BUF)+0))
> +#define _TEXASRU_PTR(TM_BUF) \
> + ((texasru_t *)((TM_BUF)+0))
> +#define _TEXASRL_PTR(TM_BUF) \
> + ((texasrl_t *)((TM_BUF)+4))
> +#define _TFIAR_PTR(TM_BUF) \
> + ((tfiar_t *)((TM_BUF)+8))
> +
> +typedef char TM_buff_type[16];
> +
> +/* This macro can be used to determine whether a transaction was
> successfully
> + started from the __TM_begin() and __TM_simple_begin() intrinsic
> functions
> + below. */
> +#define _HTM_TBEGIN_STARTED 1
> +
> +extern __inline long
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +__TM_simple_begin (void)
> +{
> + if (__builtin_expect (__builtin_tbegin (0), 1))
> + return _HTM_TBEGIN_STARTED;
> + return 0;
> +}
> +
> +extern __inline long
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +__TM_begin (void* const TM_buff)
> +{
> + *_TEXASRL_PTR (TM_buff) = 0;
> + if (__builtin_expect (__builtin_tbegin (0), 1))
> + return _HTM_TBEGIN_STARTED;
> +#ifdef __powerpc64__
> + *_TEXASR_PTR (TM_buff) = __builtin_get_texasr ();
> +#else
> + *_TEXASRU_PTR (TM_buff) = __builtin_get_texasru ();
> + *_TEXASRL_PTR (TM_buff) = __builtin_get_texasr ();
> +#endif
> + *_TFIAR_PTR (TM_buff) = __builtin_get_tfiar ();
> + return 0;
> +}
> +
> +extern __inline long
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +__TM_end (void)
> +{
> + if (__builtin_expect (__builtin_tend (0), 1))
> + return 1;
> + return 0;
> +}
> +
> +extern __inline void
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +__TM_abort (void)
> +{
> + __builtin_tabort (0);
> +}
> +
> +extern __inline void
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +__TM_named_abort (unsigned char const code)
> +{
> + __builtin_tabort (code);
> +}
> +
> +extern __inline void
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +__TM_resume (void)
> +{
> + __builtin_tresume ();
> +}
> +
> +extern __inline void
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +__TM_suspend (void)
> +{
> + __builtin_tsuspend ();
> +}
> +
> +extern __inline long
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +__TM_is_user_abort (void* const TM_buff)
> +{
> + texasru_t texasru = *_TEXASRU_PTR (TM_buff);
> + return _TEXASRU_ABORT (texasru);
> +}
> +
> +extern __inline long
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +__TM_is_named_user_abort (void* const TM_buff, unsigned char *code)
> +{
> + texasru_t texasru = *_TEXASRU_PTR (TM_buff);
> +
> + *code = _TEXASRU_FAILURE_CODE (texasru);
> + return _TEXASRU_ABORT (texasru);
> +}
> +
> +extern __inline long
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +__TM_is_illegal (void* const TM_buff)
> +{
> + texasru_t texasru = *_TEXASRU_PTR (TM_buff);
> + return _TEXASRU_DISALLOWED (texasru);
> +}
> +
> +extern __inline long
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +__TM_is_footprint_exceeded (void* const TM_buff)
> +{
> + texasru_t texasru = *_TEXASRU_PTR (TM_buff);
> + return _TEXASRU_FOOTPRINT_OVERFLOW (texasru);
> +}
> +
> +extern __inline long
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +__TM_nesting_depth (void* const TM_buff)
> +{
> + texasrl_t texasrl;
> +
> + if (_HTM_STATE (__builtin_ttest ()) == _HTM_NONTRANSACTIONAL)
> + {
> + texasrl = *_TEXASRL_PTR (TM_buff);
> + if (!_TEXASR_FAILURE_SUMMARY (texasrl))
> + texasrl = 0;
> + }
> + else
> + texasrl = (texasrl_t) __builtin_get_texasr ();
> +
> + return _TEXASR_TRANSACTION_LEVEL (texasrl);
> +}
> +
> +extern __inline long
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +__TM_is_nested_too_deep(void* const TM_buff)
> +{
> + texasru_t texasru = *_TEXASRU_PTR (TM_buff);
> + return _TEXASRU_NESTING_OVERFLOW (texasru);
> +}
> +
> +extern __inline long
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +__TM_is_conflict(void* const TM_buff)
> +{
> + texasru_t texasru = *_TEXASRU_PTR (TM_buff);
> + /* Return TEXASR bits 11 (Self-Induced Conflict) through
> + 14 (Translation Invalidation Conflict). */
> + return (_TEXASRU_EXTRACT_BITS (texasru, 14, 4)) ? 1 : 0;
> +}
> +
> +extern __inline long
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +__TM_is_failure_persistent(void* const TM_buff)
> +{
> + texasru_t texasru = *_TEXASRU_PTR (TM_buff);
> + return _TEXASRU_FAILURE_PERSISTENT (texasru);
> +}
> +
> +extern __inline long
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +__TM_failure_address(void* const TM_buff)
> +{
> + return *_TFIAR_PTR (TM_buff);
> +}
> +
> +extern __inline long long
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +__TM_failure_code(void* const TM_buff)
> +{
> + return *_TEXASR_PTR (TM_buff);
> +}
> +
> +#ifdef __cplusplus
> +}
> +#endif
> +
> +#endif /* __powerpc__ */
> +
> +#endif /* __HTMXLINTRIN_H */
>
> Added: cfe/trunk/test/CodeGen/builtins-ppc-htm.c
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/builtins-ppc-htm.c?rev=233205&view=auto
>
> ==============================================================================
> --- cfe/trunk/test/CodeGen/builtins-ppc-htm.c (added)
> +++ cfe/trunk/test/CodeGen/builtins-ppc-htm.c Wed Mar 25 14:41:41 2015
> @@ -0,0 +1,62 @@
> +// REQUIRES: powerpc-registered-target
> +// RUN: %clang_cc1 -faltivec -target-feature +htm -triple
> powerpc64-unknown-unknown -emit-llvm %s -o - | FileCheck %s
> +
> +void test1(long int *r, int code, long int *a, long int *b) {
> +// CHECK-LABEL: define void @test1
> +
> + r[0] = __builtin_tbegin (0);
> +// CHECK: @llvm.ppc.tbegin
> + r[1] = __builtin_tbegin (1);
> +// CHECK: @llvm.ppc.tbegin
> + r[2] = __builtin_tend (0);
> +// CHECK: @llvm.ppc.tend
> + r[3] = __builtin_tendall ();
> +// CHECK: @llvm.ppc.tendall
> +
> + r[4] = __builtin_tabort (code);
> +// CHECK: @llvm.ppc.tabort
> + r[5] = __builtin_tabort (0x1);
> +// CHECK: @llvm.ppc.tabort
> + r[6] = __builtin_tabortdc (0xf, a[0], b[0]);
> +// CHECK: @llvm.ppc.tabortdc
> + r[7] = __builtin_tabortdci (0xf, a[1], 0x1);
> +// CHECK: @llvm.ppc.tabortdc
> + r[8] = __builtin_tabortwc (0xf, a[2], b[2]);
> +// CHECK: @llvm.ppc.tabortwc
> + r[9] = __builtin_tabortwci (0xf, a[3], 0x1);
> +// CHECK: @llvm.ppc.tabortwc
> +
> + r[10] = __builtin_tcheck ();
> +// CHECK: @llvm.ppc.tcheck
> + r[11] = __builtin_trechkpt ();
> +// CHECK: @llvm.ppc.trechkpt
> + r[12] = __builtin_treclaim (0);
> +// CHECK: @llvm.ppc.treclaim
> + r[13] = __builtin_tresume ();
> +// CHECK: @llvm.ppc.tresume
> + r[14] = __builtin_tsuspend ();
> +// CHECK: @llvm.ppc.tsuspend
> + r[15] = __builtin_tsr (0);
> +// CHECK: @llvm.ppc.tsr
> +
> + r[16] = __builtin_ttest ();
> +// CHECK: @llvm.ppc.ttest
> +
> + r[17] = __builtin_get_texasr ();
> +// CHECK: @llvm.ppc.get.texasr
> + r[18] = __builtin_get_texasru ();
> +// CHECK: @llvm.ppc.get.texasru
> + r[19] = __builtin_get_tfhar ();
> +// CHECK: @llvm.ppc.get.tfhar
> + r[20] = __builtin_get_tfiar ();
> +// CHECK: @llvm.ppc.get.tfiar
> +
> + __builtin_set_texasr (a[21]);
> +// CHECK: @llvm.ppc.set.texasr
> + __builtin_set_texasru (a[22]);
> +// CHECK: @llvm.ppc.set.texasru
> + __builtin_set_tfhar (a[23]);
> +// CHECK: @llvm.ppc.set.tfhar
> + __builtin_set_tfiar (a[24]);
> +// CHECK: @llvm.ppc.set.tfiar
> +}
>
>
> _______________________________________________
> cfe-commits mailing list
> cfe-commits at cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
>
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