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[AVX] PATCH: Add vzeroall/vzeroupper patterns

From: "H.J. Lu" <hjl dot tools at gmail dot com>
To: "GCC Patches" <gcc-patches at gcc dot gnu dot org>
Date: Fri, 11 Apr 2008 15:36:01 -0700
Subject: [AVX] PATCH: Add vzeroall/vzeroupper patterns

Hi,

This patch adds vzeroall/vzeroupper patterns.


H.J.
--
2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_VZEROALL
        and IX86_BUILTIN_VZEROUPPER.
        (ix86_init_mmx_sse_builtins): Handle __builtin_ia32_vzeroall
        and __builtin_ia32_vzeroupper.
        (ix86_expand_builtin): Handle IX86_BUILTIN_VZEROALL and
        IX86_BUILTIN_VZEROUPPER.

        * config/i386/sse.md (avx_vzeroall): New.
        (avx_vzeroall_rex64): Likewise.
        (avx_vzeroupper): Likewise.

Attachment: zero.txt
Description: Text document

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