diff options
Diffstat (limited to 'tinycc/lib/alloca-bt.S')
| -rw-r--r-- | tinycc/lib/alloca-bt.S | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/tinycc/lib/alloca-bt.S b/tinycc/lib/alloca-bt.S deleted file mode 100644 index c161488..0000000 --- a/tinycc/lib/alloca-bt.S +++ /dev/null @@ -1,96 +0,0 @@ -/* ---------------------------------------------- */ -/* alloca-bt.S */ - -#ifdef __leading_underscore -# define _(s) _##s -#else -# define _(s) s -#endif - -/* ---------------------------------------------- */ -#if defined __i386__ - -.globl _(__bound_alloca) -_(__bound_alloca): - pop %edx - pop %eax - mov %eax, %ecx - add $3+1,%eax - and $-4,%eax - jz p6 - -#ifdef _WIN32 -p4: - cmp $4096,%eax - jbe p5 - test %eax,-4096(%esp) - sub $4096,%esp - sub $4096,%eax - jmp p4 - -p5: -#endif - - sub %eax,%esp - mov %esp,%eax - - push %edx - push %eax - push %ecx - push %eax - call _(__bound_new_region) - add $8, %esp - pop %eax - pop %edx - -p6: - push %edx - push %edx - ret - -/* ---------------------------------------------- */ -#elif defined __x86_64__ - -.globl _(__bound_alloca) -_(__bound_alloca): -#ifdef _WIN32 - inc %rcx # add one extra to separate regions - jmp _(alloca) -.globl _(__bound_alloca_nr) -_(__bound_alloca_nr): - dec %rcx - push %rax - mov %rcx,%rdx - mov %rax,%rcx - sub $32,%rsp - call _(__bound_new_region) - add $32,%rsp - pop %rax - ret -#else - pop %rdx - mov %rdi,%rax - mov %rax,%rsi # size, a second parm to the __bound_new_region - - add $15 + 1,%rax # add one extra to separate regions - and $-16,%rax - jz p3 - - - sub %rax,%rsp - mov %rsp,%rdi # pointer, a first parm to the __bound_new_region - mov %rsp,%rax - - push %rdx - push %rax - call _(__bound_new_region) - pop %rax - pop %rdx - -p3: - push %rdx - ret -#endif - -/* ---------------------------------------------- */ -#endif |