[Bug c/41990] Incorrect stack setup on x86_64

cube at cubidou dot net gcc-bugzilla@gcc.gnu.org
Sun Nov 8 20:28:00 GMT 2009



------- Comment #1 from cube at cubidou dot net  2009-11-08 20:27 -------
Created an attachment (id=18995)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18995&action=view)
Test case

This very simple C file will expose the bug.  In the assembler output, see how
only 152 is substracted to %rsp when the space taken by the variables
themselves is already 268 bytes.  Uncommenting the function call will make gcc
compute the correct value.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41990



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