OSO/TinyCC
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

tcc on i386 are still having problems at work.Thank Roy report again. Struck on several variables can be connected to commit in the register. I am worried whether tcc can run the os. Since my machine is ubuntu 64 bits I can test my machine.

Browse Source
This commit is contained in:
jiang
2014-05-03 23:51:09 +08:00
parent a0d45c1bcd
commit 089dea355a
6 changed files with 33 additions and 39 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
tccgen.c
View File

@ -873,7 +873,7 @@ ST_FUNC int gv(int rc)
#endif
r = vtop->r & VT_VALMASK;
if((rc & ~RC_MASK) && (rc != RC_ST0))
if(rc & ~RC_MASK)
rc2 = ex_rc;
else
rc2 = (rc & RC_FLOAT) ? RC_FLOAT : RC_INT;
@ -2624,20 +2624,19 @@ ST_FUNC void vstore(void)
vtop -=2;
}else{
size = type_size(&vtop->type, &align);
#ifndef TCC_TARGET_X86_64
/* destination */
vswap();
vtop->type.t = VT_PTR;
gaddrof();
/* address of memcpy() */
# ifdef TCC_ARM_EABI
#ifdef TCC_ARM_EABI
if(!(align & 7))
vpush_global_sym(&func_old_type, TOK_memcpy8);
else if(!(align & 3))
vpush_global_sym(&func_old_type, TOK_memcpy4);
else
# endif
#endif
vpush_global_sym(&func_old_type, TOK_memcpy);
vswap();
@ -2646,22 +2645,8 @@ ST_FUNC void vstore(void)
vtop->type.t = VT_PTR;
gaddrof();
/* type size */
vpushs(size);
vpushi(size);
gfunc_call(3);
#else
/* destination */
vswap();
vtop->type.t = VT_PTR;
gaddrof();
/* source */
vpushv(vtop - 1);
vtop->type.t = VT_PTR;
gaddrof();
/* size */
vpushs(size);
struct_copy(&vtop[-2], &vtop[-1], &vtop[0]);
vtop -=3;
#endif
}
} else {
vswap();
@ -5354,22 +5339,16 @@ static void init_putz(CType *t, Section *sec, unsigned long c, int size)
if (sec) {
/* nothing to do because globals are already set to zero */
} else {
#ifndef TCC_TARGET_X86_64
vpush_global_sym(&func_old_type, TOK_memset);
vseti(VT_LOCAL, c);
# ifdef TCC_TARGET_ARM
#ifdef TCC_TARGET_ARM
vpushs(size);
vpushi(0);
# else
vpushi(0);
vpushs(size);
# endif
gfunc_call(3);
#else
vseti(VT_LOCAL, c);
gen_putz(vtop, size);
vtop--;
vpushi(0);
vpushs(size);
#endif
gfunc_call(3);
}
}