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comparison gen_x86.c @ 901:dc71e32091d8

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Adjust stack before pushing arguments. Fixes new stack alignment code on 32-bit targets
author Michael Pavone <pavone@retrodev.com>
date Fri, 27 Nov 2015 10:48:13 -0800
parents 07bfbbbb4b2e
children cd6048e0397b
comparison
equal deleted inserted replaced
900:30efd12b1be1 901:dc71e32091d8
2109 } 2109 }
2110 } 2110 }
2111 #else 2111 #else
2112 #define stack_args num_args 2112 #define stack_args num_args
2113 #endif 2113 #endif
2114 for (int i = stack_args -1; i >= 0; i--) 2114 uint32_t stack_off_call = code->stack_off + sizeof(void *) * (stack_args + 1);
2115 {
2116 push_r(code, arg_arr[i]);
2117 }
2118 uint32_t stack_off_call = code->stack_off + sizeof(void *);
2119 uint32_t adjust = 0; 2115 uint32_t adjust = 0;
2120 if (stack_off_call & 0xF) { 2116 if (stack_off_call & 0xF) {
2121 adjust = 16 - (stack_off_call & 0xF); 2117 adjust = 16 - (stack_off_call & 0xF);
2122 sub_ir(code, adjust, RSP, SZ_PTR); 2118 sub_ir(code, adjust, RSP, SZ_PTR);
2123 code->stack_off += adjust; 2119 code->stack_off += adjust;
2124 } 2120 }
2125 2121 for (int i = stack_args -1; i >= 0; i--)
2122 {
2123 push_r(code, arg_arr[i]);
2124 }
2125
2126 return stack_args * sizeof(void *) + adjust; 2126 return stack_args * sizeof(void *) + adjust;
2127 } 2127 }
2128 2128
2129 void call_args(code_info *code, code_ptr fun, uint32_t num_args, ...) 2129 void call_args(code_info *code, code_ptr fun, uint32_t num_args, ...)
2130 { 2130 {