diff options
Diffstat (limited to 'cginstructions.c')
| -rw-r--r-- | cginstructions.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/cginstructions.c b/cginstructions.c index 96b0db6..941c016 100644 --- a/cginstructions.c +++ b/cginstructions.c @@ -4633,20 +4633,20 @@ void code_ccall (char *c_function_name,char *s,int length) } } - if (a_stack_pointer==A_STACK_POINTER){ - a_stack_pointer = heap_pointer!=REGISTER_D5 ? REGISTER_D5 : REGISTER_D6; - i_move_r_r (A_STACK_POINTER,a_stack_pointer); - } - if (heap_pointer==HEAP_POINTER){ - heap_pointer = a_stack_pointer!=REGISTER_D6 ? REGISTER_D6 : REGISTER_D5; - i_move_r_r (HEAP_POINTER,heap_pointer); - } - - if (save_state_in_global_variables){ - i_move_r_l (-6/*RSI*/,saved_a_stack_p_label); - i_lea_l_i_r (saved_heap_p_label,0,-6/*RSI*/); - i_move_r_id (-7/*RDI*/, 0,-6/*RSI*/); - i_move_r_id (REGISTER_D7,8,-6/*RSI*/); + if (!save_state_in_global_variables){ + if (a_stack_pointer==A_STACK_POINTER){ + a_stack_pointer = heap_pointer!=REGISTER_D5 ? REGISTER_D5 : REGISTER_D6; + i_move_r_r (A_STACK_POINTER,a_stack_pointer); + } + if (heap_pointer==HEAP_POINTER){ + heap_pointer = a_stack_pointer!=REGISTER_D6 ? REGISTER_D6 : REGISTER_D5; + i_move_r_r (HEAP_POINTER,heap_pointer); + } + } else { + i_move_r_l (a_stack_pointer,saved_a_stack_p_label); + i_lea_l_i_r (saved_heap_p_label,0,a_stack_pointer); + i_move_r_id (heap_pointer,0,a_stack_pointer); + i_move_r_id (REGISTER_D7,8,a_stack_pointer); } if (!function_address_parameter) @@ -4659,8 +4659,10 @@ void code_ccall (char *c_function_name,char *s,int length) else i_lea_id_r (c_offset_before_pushing_arguments-(b_result_offset+a_result_offset),REGISTER_RBP,B_STACK_POINTER); - i_move_r_r (a_stack_pointer,A_STACK_POINTER); - i_move_r_r (heap_pointer,HEAP_POINTER); + if (!save_state_in_global_variables){ + i_move_r_r (a_stack_pointer,A_STACK_POINTER); + i_move_r_r (heap_pointer,HEAP_POINTER); + } # else /* for I486 && G_AI64 && ! LINUX_ELF */ { int c_offset_before_pushing_arguments,function_address_reg,c_parameter_n; |