[Bug target/39118] x86_64 red zone violation

[hjl dot tools at gmail dot com]

------- Comment #6 from hjl dot tools at gmail dot com  2009-02-06 16:44 -------
Gcc 4.1 -fno-omit-frame-pointer -O2 generates

---
adler32:
        pushq   %rbp
        movq    %rdi, %rax
        andl    $65535, %edi
        shrq    $16, %rax
        movq    %rsp, %rbp
        pushq   %r15
        andl    $65535, %eax
        pushq   %r14
        pushq   %r13
        pushq   %r12
        pushq   %rbx
        subq    $16, %rsp
        movl    %edx, -148(%rbp)
---

Is this a regression?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39118