diff options
Diffstat (limited to 'Source/JavaScriptCore/yarr')
| -rw-r--r-- | Source/JavaScriptCore/yarr/YarrJIT.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/yarr/YarrJIT.cpp b/Source/JavaScriptCore/yarr/YarrJIT.cpp index ce84e2c74..d5b215413 100644 --- a/Source/JavaScriptCore/yarr/YarrJIT.cpp +++ b/Source/JavaScriptCore/yarr/YarrJIT.cpp @@ -87,10 +87,20 @@ class YarrGenerator : private MacroAssembler { static const RegisterID returnRegister = X86Registers::eax; static const RegisterID returnRegister2 = X86Registers::edx; #elif CPU(X86_64) +#if !OS(WINDOWS) static const RegisterID input = X86Registers::edi; static const RegisterID index = X86Registers::esi; static const RegisterID length = X86Registers::edx; static const RegisterID output = X86Registers::ecx; +#else + // If the return value doesn't fit in 64bits, its destination is pointed by rcx and the parameters are shifted. + // http://msdn.microsoft.com/en-us/library/7572ztz4.aspx + COMPILE_ASSERT(sizeof(MatchResult) > sizeof(void*), MatchResult_does_not_fit_in_64bits); + static const RegisterID input = X86Registers::edx; + static const RegisterID index = X86Registers::r8; + static const RegisterID length = X86Registers::r9; + static const RegisterID output = X86Registers::r10; +#endif static const RegisterID regT0 = X86Registers::eax; static const RegisterID regT1 = X86Registers::ebx; @@ -2502,6 +2512,10 @@ class YarrGenerator : private MacroAssembler { push(X86Registers::ebp); move(stackPointerRegister, X86Registers::ebp); push(X86Registers::ebx); +#if OS(WINDOWS) + if (compileMode == IncludeSubpatterns) + loadPtr(Address(X86Registers::ebp, 6 * sizeof(void*)), output); +#endif #elif CPU(X86) push(X86Registers::ebp); move(stackPointerRegister, X86Registers::ebp); @@ -2540,6 +2554,12 @@ class YarrGenerator : private MacroAssembler { void generateReturn() { #if CPU(X86_64) +#if OS(WINDOWS) + // Store the return value in the allocated space pointed by rcx. + store64(returnRegister, Address(X86Registers::ecx)); + store64(returnRegister2, Address(X86Registers::ecx, sizeof(void*))); + move(X86Registers::ecx, returnRegister); +#endif pop(X86Registers::ebx); pop(X86Registers::ebp); #elif CPU(X86) |