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[PATCH, i386]: Fix PR 67967, ICE in i386_pe_seh_unwind_emit

From: Uros Bizjak <ubizjak at gmail dot com>
To: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
Date: Wed, 14 Oct 2015 23:22:25 +0200
Subject: [PATCH, i386]: Fix PR 67967, ICE in i386_pe_seh_unwind_emit
Authentication-results: sourceware.org; auth=none

Attached patch fixes PR 67967, where we emit REG_CFA_EXPRESSION,
attached to aligned SSE store. This is unnecessary, and confuses SEH
targets.

2015-10-14  Uros Bizjak  <ubizjak@gmail.com>

    PR target/67967
    * config/i386/i386.c (ix86_emit_save_reg_using_mov): Do not add
    REG_CFA_EXPRESSION to aligned SSE stores.

Bootstrapped and regression tested on x86_64-linux-gnu, also tested
with a crosscompiler to x86_64-unknown-cygwin.

Committed to mainline SVN, will be committed to gcc-5 branch.

Uros.

Attachment: p.diff.txt
Description: Text document

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