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1 //===- subzero/src/IceTargetLoweringX8664.cpp - x86-64 lowering -----------===// | 1 //===- subzero/src/IceTargetLoweringX8664.cpp - x86-64 lowering -----------===// |
2 // | 2 // |
3 // The Subzero Code Generator | 3 // The Subzero Code Generator |
4 // | 4 // |
5 // This file is distributed under the University of Illinois Open Source | 5 // This file is distributed under the University of Illinois Open Source |
6 // License. See LICENSE.TXT for details. | 6 // License. See LICENSE.TXT for details. |
7 // | 7 // |
8 //===----------------------------------------------------------------------===// | 8 //===----------------------------------------------------------------------===// |
9 /// | 9 /// |
10 /// \file | 10 /// \file |
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766 // Use memcpy() to copy bits from Value into RawValue in a way that avoids | 766 // Use memcpy() to copy bits from Value into RawValue in a way that avoids |
767 // breaking strict-aliasing rules. | 767 // breaking strict-aliasing rules. |
768 typename T::PrimitiveIntType RawValue; | 768 typename T::PrimitiveIntType RawValue; |
769 memcpy(&RawValue, &Value, sizeof(Value)); | 769 memcpy(&RawValue, &Value, sizeof(Value)); |
770 char buf[30]; | 770 char buf[30]; |
771 int CharsPrinted = | 771 int CharsPrinted = |
772 snprintf(buf, llvm::array_lengthof(buf), T::PrintfString, RawValue); | 772 snprintf(buf, llvm::array_lengthof(buf), T::PrintfString, RawValue); |
773 assert(CharsPrinted >= 0 && | 773 assert(CharsPrinted >= 0 && |
774 (size_t)CharsPrinted < llvm::array_lengthof(buf)); | 774 (size_t)CharsPrinted < llvm::array_lengthof(buf)); |
775 (void)CharsPrinted; // avoid warnings if asserts are disabled | 775 (void)CharsPrinted; // avoid warnings if asserts are disabled |
776 Const->emitPoolLabel(Str); | 776 Const->emitPoolLabel(Str, Ctx); |
777 Str << ":\n\t" << T::AsmTag << "\t" << buf << "\t# " << T::TypeName << " " | 777 Str << ":\n\t" << T::AsmTag << "\t" << buf << "\t# " << T::TypeName << " " |
778 << Value << "\n"; | 778 << Value << "\n"; |
779 } | 779 } |
780 } | 780 } |
781 | 781 |
782 void TargetDataX8664::lowerConstants() { | 782 void TargetDataX8664::lowerConstants() { |
783 if (Ctx->getFlags().getDisableTranslation()) | 783 if (Ctx->getFlags().getDisableTranslation()) |
784 return; | 784 return; |
785 // No need to emit constants from the int pool since (for x86) they are | 785 // No need to emit constants from the int pool since (for x86) they are |
786 // embedded as immediates in the instructions, just emit float/double. | 786 // embedded as immediates in the instructions, just emit float/double. |
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957 // case the high-level table has extra entries. | 957 // case the high-level table has extra entries. |
958 #define X(tag, sizeLog2, align, elts, elty, str) \ | 958 #define X(tag, sizeLog2, align, elts, elty, str) \ |
959 static_assert(_table1_##tag == _table2_##tag, \ | 959 static_assert(_table1_##tag == _table2_##tag, \ |
960 "Inconsistency between ICETYPEX8664_TABLE and ICETYPE_TABLE"); | 960 "Inconsistency between ICETYPEX8664_TABLE and ICETYPE_TABLE"); |
961 ICETYPE_TABLE | 961 ICETYPE_TABLE |
962 #undef X | 962 #undef X |
963 } // end of namespace dummy3 | 963 } // end of namespace dummy3 |
964 } // end of anonymous namespace | 964 } // end of anonymous namespace |
965 | 965 |
966 } // end of namespace Ice | 966 } // end of namespace Ice |
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