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[Bug target/27537] XMM alignment fault when compiling for i386 with -Os. Needs ABI specification.
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 10 May 2006 20:44:41 -0000
- Subject: [Bug target/27537] XMM alignment fault when compiling for i386 with -Os. Needs ABI specification.
- References: <bug-27537-12669@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from pinskia at gcc dot gnu dot org 2006-05-10 20:44 -------
The SYSV x86 ABI says the stack is aligned 4 byte aligned. Remember the SYSV
x86 ABI was done before MMX or SSE was around or even thought about back in the
486 days (and maybe even before then).
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27537