tinycc/alloca86.S

34 lines
508 B
ArmAsm

/* ---------------------------------------------- */
/* alloca86.S */
#include "config.h"
.globl _alloca
_alloca:
pop %edx
pop %eax
add $3,%eax
and $-4,%eax
jz p3
#ifdef TCC_TARGET_PE
p1:
cmp $4096,%eax
jle p2
sub $4096,%esp
sub $4096,%eax
test %eax,(%esp)
jmp p1
p2:
#endif
sub %eax,%esp
mov %esp,%eax
p3:
push %edx
push %edx
ret
/* ---------------------------------------------- */