Mercurial > repos > blastem
diff gen_x86.c @ 1840:3d0b20e9a187
Merge
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Thu, 18 Apr 2019 19:48:04 -0700 |
| parents | a79e92929044 |
| children | 4af54c6ca3e6 |
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--- a/gen_x86.c Thu Apr 18 19:47:50 2019 -0700 +++ b/gen_x86.c Thu Apr 18 19:48:04 2019 -0700 @@ -2111,7 +2111,12 @@ } #ifdef X86_64 uint32_t stack_args = 0; +#ifdef _WIN32 + //Microsoft is too good for the ABI that everyone else uses on x86-64 apparently + uint8_t abi_regs[] = {RCX, RDX, R8, R9}; +#else uint8_t abi_regs[] = {RDI, RSI, RDX, RCX, R8, R9}; +#endif int8_t reg_swap[R15+1]; uint32_t usage = 0; memset(reg_swap, -1, sizeof(reg_swap)); @@ -2153,6 +2158,11 @@ push_r(code, arg_arr[i]); } free(arg_arr); +#if defined(X86_64) && defined(_WIN32) + sub_ir(code, 32, RSP, SZ_PTR); + code->stack_off += 32; + adjust += 32; +#endif return stack_args * sizeof(void *) + adjust; } @@ -2218,7 +2228,8 @@ push_r(code, R13); push_r(code, R14); push_r(code, R15); -#else +#endif +#if !defined(X86_64) || defined(_WIN32) push_r(code, RDI); push_r(code, RSI); #endif @@ -2226,14 +2237,15 @@ void restore_callee_save_regs(code_info *code) { +#if !defined(X86_64) || defined(_WIN32) + pop_r(code, RSI); + pop_r(code, RDI); +#endif #ifdef X86_64 pop_r(code, R15); pop_r(code, R14); pop_r(code, R13); pop_r(code, R12); -#else - pop_r(code, RSI); - pop_r(code, RDI); #endif pop_r(code, RBP); pop_r(code, RBX);