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[PATCH, i386]: Implement AVX2 all-ones load using vpcmpeqd insn

From: Uros Bizjak <ubizjak at gmail dot com>
To: gcc-patches at gcc dot gnu dot org
Date: Thu, 8 Sep 2011 20:26:19 +0200
Subject: [PATCH, i386]: Implement AVX2 all-ones load using vpcmpeqd insn

Hello!

2011-09-08  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (standard_sse_constant_p): Handle AVX2 modes.
	(standard_sse_constant_opcode) <case 2>: Change vpcmpeqd template.

testsuite/ChangeLog:

2011-09-08  Uros Bizjak  <ubizjak@gmail.com>

	* gcc.target/i386/all_one_m256i.c: New test.

Tested on x86_64-pc-linux-gnu {,-m32}, committed to mainline SVN.

Uros.

Attachment: p.diff.txt
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