diff options
Diffstat (limited to 'Source/JavaScriptCore/assembler/AssemblerBufferWithConstantPool.h')
-rw-r--r-- | Source/JavaScriptCore/assembler/AssemblerBufferWithConstantPool.h | 56 |
1 files changed, 34 insertions, 22 deletions
diff --git a/Source/JavaScriptCore/assembler/AssemblerBufferWithConstantPool.h b/Source/JavaScriptCore/assembler/AssemblerBufferWithConstantPool.h index 599be14..9a9618f 100644 --- a/Source/JavaScriptCore/assembler/AssemblerBufferWithConstantPool.h +++ b/Source/JavaScriptCore/assembler/AssemblerBufferWithConstantPool.h @@ -188,29 +188,14 @@ public: return AssemblerBuffer::executableCopy(allocator); } - void putIntWithConstantInt(uint32_t insn, uint32_t constant, bool isReusable = false) + void putShortWithConstantInt(uint16_t insn, uint32_t constant, bool isReusable = false) { - if (!m_numConsts) - m_maxDistance = maxPoolSize; - flushIfNoSpaceFor(4, 4); - - m_loadOffsets.append(AssemblerBuffer::size()); - if (isReusable) - for (int i = 0; i < m_numConsts; ++i) { - if (m_mask[i] == ReusableConst && m_pool[i] == constant) { - AssemblerBuffer::putInt(AssemblerType::patchConstantPoolLoad(insn, i)); - correctDeltas(4); - return; - } - } - - m_pool[m_numConsts] = constant; - m_mask[m_numConsts] = static_cast<char>(isReusable ? ReusableConst : UniqueConst); - - AssemblerBuffer::putInt(AssemblerType::patchConstantPoolLoad(insn, m_numConsts)); - ++m_numConsts; + putIntegralWithConstantInt(insn, constant, isReusable); + } - correctDeltas(4, 4); + void putIntWithConstantInt(uint32_t insn, uint32_t constant, bool isReusable = false) + { + putIntegralWithConstantInt(insn, constant, isReusable); } // This flushing mechanism can be called after any unconditional jumps. @@ -248,6 +233,33 @@ private: m_lastConstDelta = constSize; } + template<typename IntegralType> + void putIntegralWithConstantInt(IntegralType insn, uint32_t constant, bool isReusable) + { + if (!m_numConsts) + m_maxDistance = maxPoolSize; + flushIfNoSpaceFor(sizeof(IntegralType), 4); + + m_loadOffsets.append(AssemblerBuffer::size()); + if (isReusable) { + for (int i = 0; i < m_numConsts; ++i) { + if (m_mask[i] == ReusableConst && m_pool[i] == constant) { + putIntegral(static_cast<IntegralType>(AssemblerType::patchConstantPoolLoad(insn, i))); + correctDeltas(sizeof(IntegralType)); + return; + } + } + } + + m_pool[m_numConsts] = constant; + m_mask[m_numConsts] = static_cast<char>(isReusable ? ReusableConst : UniqueConst); + + putIntegral(static_cast<IntegralType>(AssemblerType::patchConstantPoolLoad(insn, m_numConsts))); + ++m_numConsts; + + correctDeltas(sizeof(IntegralType), 4); + } + void flushConstantPool(bool useBarrier = true) { if (m_numConsts == 0) @@ -259,7 +271,7 @@ private: // Callback to protect the constant pool from execution if (useBarrier) - AssemblerBuffer::putInt(AssemblerType::placeConstantPoolBarrier(m_numConsts * sizeof(uint32_t) + alignPool)); + putIntegral(AssemblerType::placeConstantPoolBarrier(m_numConsts * sizeof(uint32_t) + alignPool)); if (alignPool) { if (alignPool & 1) |