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/* ---------------------------------------------- */
/* alloca86_64.S */
#include "../config.h"
.globl alloca
alloca:
pop %rdx
mov %rdi,%rax
add $3,%rax
and $-4,%rax
jz p3
#ifdef TCC_TARGET_PE
/* XXX: not tested */
p1:
cmp $4096,%rax
jle p2
sub $4096,%rsp
sub $4096,%rax
test %rax,(%rsp)
jmp p1
p2:
#endif
sub %rax,%rsp
mov %rsp,%rax
p3:
push %rdx
ret
/* ---------------------------------------------- */
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