tccgen: factor out gfunc_return

Also:
- on windows i386 and x86-64, structures of size <= 8 are
  NOT returned in registers if size is not one of 1,2,4,8.
- cleanup: put all tv-push/pop/swap/rot into one place

1 files changed, 1 insertions, 2 deletions

diff --git a/tcc.h b/tcc.h
index 7997e86..e500140 100644
--- a/tcc.h
+++ b/tcc.h
@@ -1273,7 +1273,6 @@ ST_FUNC void check_vstack(void);
 ST_INLN int is_float(int t);
 ST_FUNC int ieee_finite(double d);
 ST_FUNC void test_lvalue(void);
-ST_FUNC void swap(int *p, int *q);
 ST_FUNC void vpushi(int v);
 ST_FUNC Sym *external_global_sym(int v, CType *type, int r);
 ST_FUNC void vset(CType *type, int r, long v);
@@ -1519,7 +1518,7 @@ ST_FUNC void gen_cvt_itof1(int t);
 #ifdef TCC_TARGET_ARM64
 ST_FUNC void gen_cvt_sxtw(void);
 ST_FUNC void gen_opl(int op);
-ST_FUNC void greturn(void);
+ST_FUNC void gfunc_return(CType *func_type);
 ST_FUNC void gen_va_start(void);
 ST_FUNC void gen_va_arg(CType *t);
 ST_FUNC void gen_clear_cache(void);