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[Bug target/46942] x86_64 parameter passing unnecessary sign/zero extends
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 2 Jan 2011 19:02:16 +0000
- Subject: [Bug target/46942] x86_64 parameter passing unnecessary sign/zero extends
- Auto-submitted: auto-generated
- References: <bug-46942-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46942
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-01-02 19:01:58 UTC ---
And upper 32 bits are undefined if the argument is 8/16/32 bit (i.e. callee
must sign/zero extend, instead of caller)?