[Bug target/57688] -O3 -march=native generates illegal opcode on AMD

[dcb314 at hotmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57688

--- Comment #4 from David Binderman <dcb314 at hotmail dot com> ---
(In reply to Mikael Pettersson from comment #1)
> Run it in gdb, wait for the fault, and disassemble the code around the
> faulting PC.  That valgrind report doesn't really say anything useful.

   0x00000000004045d4 <+948>:    lea    -0x5(%r9),%edx
   0x00000000004045d8 <+952>:    lea    0x140(%r10),%rsi
   0x00000000004045df <+959>:    mov    %rax,%rcx
=> 0x00000000004045e2 <+962>:    bextr  $0x1e02,%rdx,%rdx
   0x00000000004045eb <+971>:    xor    %r8d,%r8d
   0x00000000004045ee <+974>:    shl    $0x6,%rdx
   0x00000000004045f2 <+978>:    lea    0x180(%r10,%rdx,1),%rdi