tinycc/lib/alloca86.S
grischka 110a4edc15 drop alloca #define
(Because GNU's alloca.h unconditionally #undef's alloca)

Also, remove gcc specific sections in headers. and
instead change tests such that gcc does not use them.
2009-05-16 22:30:13 +02:00

34 lines
509 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
/* ---------------------------------------------- */