diff options
Diffstat (limited to 'Source/JavaScriptCore/assembler/ARMv7Assembler.h')
| -rw-r--r-- | Source/JavaScriptCore/assembler/ARMv7Assembler.h | 50 |
1 files changed, 32 insertions, 18 deletions
diff --git a/Source/JavaScriptCore/assembler/ARMv7Assembler.h b/Source/JavaScriptCore/assembler/ARMv7Assembler.h index eef0ba8a7..96c4f096c 100644 --- a/Source/JavaScriptCore/assembler/ARMv7Assembler.h +++ b/Source/JavaScriptCore/assembler/ARMv7Assembler.h @@ -462,28 +462,42 @@ public: class LinkRecord { public: LinkRecord(intptr_t from, intptr_t to, JumpType type, Condition condition) - : m_from(from) - , m_to(to) - , m_type(type) - , m_linkType(LinkInvalid) - , m_condition(condition) { + data.realTypes.m_from = from; + data.realTypes.m_to = to; + data.realTypes.m_type = type; + data.realTypes.m_linkType = LinkInvalid; + data.realTypes.m_condition = condition; } - intptr_t from() const { return m_from; } - void setFrom(intptr_t from) { m_from = from; } - intptr_t to() const { return m_to; } - JumpType type() const { return m_type; } - JumpLinkType linkType() const { return m_linkType; } - void setLinkType(JumpLinkType linkType) { ASSERT(m_linkType == LinkInvalid); m_linkType = linkType; } - Condition condition() const { return m_condition; } + void operator=(const LinkRecord& other) + { + data.copyTypes.content[0] = other.data.copyTypes.content[0]; + data.copyTypes.content[1] = other.data.copyTypes.content[1]; + data.copyTypes.content[2] = other.data.copyTypes.content[2]; + } + intptr_t from() const { return data.realTypes.m_from; } + void setFrom(intptr_t from) { data.realTypes.m_from = from; } + intptr_t to() const { return data.realTypes.m_to; } + JumpType type() const { return data.realTypes.m_type; } + JumpLinkType linkType() const { return data.realTypes.m_linkType; } + void setLinkType(JumpLinkType linkType) { ASSERT(data.realTypes.m_linkType == LinkInvalid); data.realTypes.m_linkType = linkType; } + Condition condition() const { return data.realTypes.m_condition; } private: - intptr_t m_from : 31; - intptr_t m_to : 31; - JumpType m_type : 8; - JumpLinkType m_linkType : 8; - Condition m_condition : 16; + union { + struct RealTypes { + intptr_t m_from : 31; + intptr_t m_to : 31; + JumpType m_type : 8; + JumpLinkType m_linkType : 8; + Condition m_condition : 16; + } realTypes; + struct CopyTypes { + uint32_t content[3]; + } copyTypes; + COMPILE_ASSERT(sizeof(RealTypes) == sizeof(CopyTypes), LinkRecordCopyStructSizeEqualsRealStruct); + } data; }; - + ARMv7Assembler() : m_indexOfLastWatchpoint(INT_MIN) , m_indexOfTailOfLastWatchpoint(INT_MIN) |