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author | pommicket <pommicket@gmail.com> | 2022-02-18 12:36:57 -0500 |
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committer | pommicket <pommicket@gmail.com> | 2022-02-18 12:36:57 -0500 |
commit | 826d1afd58c2e064a9c8fdb09eda1b08469de1a8 (patch) | |
tree | b4fedc589a1944f6cf3f451a9db976b431e89b25 /05/tcc-0.9.27/lib/alloca86_64.S | |
parent | c42c5d94b8944e19cd17a5b540e4c70013c62b92 (diff) |
newer version of tcc almost working
Diffstat (limited to '05/tcc-0.9.27/lib/alloca86_64.S')
-rw-r--r-- | 05/tcc-0.9.27/lib/alloca86_64.S | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/05/tcc-0.9.27/lib/alloca86_64.S b/05/tcc-0.9.27/lib/alloca86_64.S new file mode 100644 index 0000000..ae3c97d --- /dev/null +++ b/05/tcc-0.9.27/lib/alloca86_64.S @@ -0,0 +1,34 @@ +/* ---------------------------------------------- */ +/* alloca86_64.S */ + +.globl alloca + +alloca: + pop %rdx +#ifdef _WIN32 + mov %rcx,%rax +#else + mov %rdi,%rax +#endif + add $15,%rax + and $-16,%rax + jz p3 + +#ifdef _WIN32 +p1: + cmp $4096,%rax + jbe p2 + test %rax,-4096(%rsp) + sub $4096,%rsp + sub $4096,%rax + jmp p1 +p2: +#endif + + sub %rax,%rsp + mov %rsp,%rax +p3: + push %rdx + ret + +/* ---------------------------------------------- */ |