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PATCH [x86_64] PR20020 - 128 bit structs not targeted to TImode

From: Gary Funck <gary at intrepid dot com>
To: Gcc Patches <gcc-patches at gcc dot gnu dot org>
Cc: jh at suse dot cz, hjl dot tools at gmail dot com
Date: Mon, 13 Aug 2012 21:20:32 -0700
Subject: PATCH [x86_64] PR20020 - 128 bit structs not targeted to TImode

Attached, is a patch to fix PR20020, and three test cases.
This patch improves the code generated for structs that
can be represented in a TImode value on an x86_64 target.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20020

The test cases scan the generated RTL and verify
that TImode operations are present.

Note that this patch will uncover a new test
regression, described here:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20020#c9

Attachment: pr20020-patch.txt
Description: Text document

Follow-Ups:
- Re: PATCH [x86_64] PR20020 - 128 bit structs not targeted to TImode
  - From: Jakub Jelinek

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