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From: "hjl.tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug other/67630] ymm and zmm register aren't preserved in interrupt handler Date: Fri, 18 Sep 2015 17:29:00 -0000 [thread overview] Message-ID: <bug-67630-4-6r7CcbDjJx@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-67630-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67630 H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2015-09-18 Ever confirmed|0 |1 --- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> --- ix86_compute_frame_layout has /* Align and set SSE register save area. */ if (frame->nsseregs) { /* The only ABI that has saved SSE registers (Win64) also has a 16-byte aligned default stack, and thus we don't need to be within the re-aligned local stack frame to save them. */ gcc_assert (INCOMING_STACK_BOUNDARY >= 128); offset = (offset + 16 - 1) & -16; offset += frame->nsseregs * 16; } It isn't true for interrupt handler.
next prev parent reply other threads:[~2015-09-18 17:29 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-09-18 17:03 [Bug other/67630] New: " hjl.tools at gmail dot com 2015-09-18 17:29 ` hjl.tools at gmail dot com [this message] 2015-09-18 22:52 ` [Bug other/67630] " hjl.tools at gmail dot com 2015-09-19 22:35 ` hjl.tools at gmail dot com 2015-09-20 10:36 ` ubizjak at gmail dot com
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