Retro/pcem
Watch
1
0
Fork
You've already forked pcem
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Reduced number of unnecessary register loads in x86-64 recompiler.

Browse source
This commit is contained in:
TomW 2015-08-05 20:31:20 +01:00
commit 5f391a1992
4 changed files with 54 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/codegen_x86-64.c
View file

@ -28,6 +28,7 @@
int codegen_flags_changed = 0;
int codegen_fpu_entered = 0;
int codegen_fpu_loaded_iq[8];
int codegen_reg_loaded[8];
x86seg *op_ea_seg;
int op_ssegs;
uint32_t op_old_pc;
@ -296,6 +297,9 @@ void codegen_block_init(uint32_t phys_addr)
codegen_fpu_loaded_iq[4] = codegen_fpu_loaded_iq[5] = codegen_fpu_loaded_iq[6] = codegen_fpu_loaded_iq[7] = 0;
_ds.checked = _es.checked = _fs.checked = _gs.checked = (cr0 & 1) ? 0 : 1;
codegen_reg_loaded[0] = codegen_reg_loaded[1] = codegen_reg_loaded[2] = codegen_reg_loaded[3] =
codegen_reg_loaded[4] = codegen_reg_loaded[5] = codegen_reg_loaded[6] = codegen_reg_loaded[7] = 0;
}
void codegen_block_remove()