From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-vs1-xe30.google.com (mail-vs1-xe30.google.com [IPv6:2607:f8b0:4864:20::e30]) by sourceware.org (Postfix) with ESMTPS id C460B384BC3A for ; Thu, 1 Jul 2021 08:06:24 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org C460B384BC3A Received: by mail-vs1-xe30.google.com with SMTP id l26so3312807vsm.9 for ; Thu, 01 Jul 2021 01:06:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=/RPeAHH5MhtUCrhs7HlRlwnSoHBB+Jk8wxGN1vJp8ZU=; b=LWTnyRfD21lcSCua6XXaIbwCsnmeLz1cweYv0iyXBwmEvKl8roOwXnojsBLwIbeHFb kpyg1jizixQbixgnPf2yTq0mTXWe/sUdHFeQdDRS0en9z9tpA9caXRUAkSsjRVPRTkxg A1mYXdxAw7QqTL9NbmtEjEUaQ3PG0qX2RQM8SpwUjWuOXXdOjNhFZ+ihdc1jWFKeAsc8 /a8amJzjmM4MQG+oO/FY4oAHPT2fIK3yQF1xdXbQy3DhKHL2FIaViY6cEDevE2U2CIRP DHVfHo6mlU1G5Oj8/9AHeKitOLR3WeX8GO8dzds+Stm1jS6d8ipyVGWJxITTURo8wSrz Qyhg== X-Gm-Message-State: AOAM5312gaCQobnHWuLy2aYwmSGycTxSaiyWIb1zqJw6SfPF89pd1DGx /ZdPUoMKyD9EHjd5/96gbbY8CLJQLn4OQryZngo= X-Google-Smtp-Source: ABdhPJxhhnabLMjwG7DH2yc6IvQ2XkTRegwdKv/IoG9LETSRiTiyj7+XQmAZy1hrvyiWIIHufezzc18z3yJ7TLgp5qI= X-Received: by 2002:a67:1787:: with SMTP id 129mr34586669vsx.57.1625126784275; Thu, 01 Jul 2021 01:06:24 -0700 (PDT) MIME-Version: 1.0 References: <20210701075149.1619883-1-hongyu.wang@intel.com> In-Reply-To: <20210701075149.1619883-1-hongyu.wang@intel.com> From: Hongtao Liu Date: Thu, 1 Jul 2021 16:11:29 +0800 Message-ID: Subject: Re: [PATCH] [i386] Clear odata for aes(enc|dec)(wide)?kl intrinsics To: Hongyu Wang Cc: GCC Patches Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-9.6 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, KAM_SHORT, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Jul 2021 08:06:27 -0000 On Thu, Jul 1, 2021 at 3:51 PM Hongyu Wang wrote: > > For Keylocker aesenc/aesdec intrinsics, current implementation > moves idata to odata unconditionally, which causes safety issue when > the instruction meets runtime error. So we add a branch to clear > odata when ZF is set after instruction exectution. > > gcc/ChangeLog: > > * config/i386/i386-expand.c (ix86_expand_builtin): > Add branch to clear odata when ZF is set for asedecenc_expand > and wideaesdecenc_expand. > > gcc/testsuite/ChangeLog: > > * gcc.target/i386/keylocker-aesdec128kl.c: Update test. > * gcc.target/i386/keylocker-aesdec256kl.c: Likewise. > * gcc.target/i386/keylocker-aesdecwide128kl.c: Likewise. > * gcc.target/i386/keylocker-aesdecwide256kl.c: Likewise. > * gcc.target/i386/keylocker-aesenc128kl.c: Likewise. > * gcc.target/i386/keylocker-aesenc256kl.c: Likewise. > * gcc.target/i386/keylocker-aesencwide128kl.c: Likewise. > * gcc.target/i386/keylocker-aesencwide256kl.c: Likewise. > --- > gcc/config/i386/i386-expand.c | 33 ++++++++++++++++--- > .../gcc.target/i386/keylocker-aesdec128kl.c | 2 ++ > .../gcc.target/i386/keylocker-aesdec256kl.c | 2 ++ > .../i386/keylocker-aesdecwide128kl.c | 9 +++++ > .../i386/keylocker-aesdecwide256kl.c | 9 +++++ > .../gcc.target/i386/keylocker-aesenc128kl.c | 2 ++ > .../gcc.target/i386/keylocker-aesenc256kl.c | 2 ++ > .../i386/keylocker-aesencwide128kl.c | 9 +++++ > .../i386/keylocker-aesencwide256kl.c | 9 +++++ > 9 files changed, 72 insertions(+), 5 deletions(-) > > diff --git a/gcc/config/i386/i386-expand.c b/gcc/config/i386/i386-expand.c > index e9763eb5b3e..de85f256fee 100644 > --- a/gcc/config/i386/i386-expand.c > +++ b/gcc/config/i386/i386-expand.c > @@ -11556,6 +11556,9 @@ ix86_expand_builtin (tree exp, rtx target, rtx subtarget, > > aesdecenc_expand: > > + rtx_code_label *ok_label; > + rtx tmp; > + > arg0 = CALL_EXPR_ARG (exp, 0); // __m128i *odata > arg1 = CALL_EXPR_ARG (exp, 1); // __m128i idata > arg2 = CALL_EXPR_ARG (exp, 2); // const void *p > @@ -11586,10 +11589,21 @@ ix86_expand_builtin (tree exp, rtx target, rtx subtarget, > if (target == 0) > target = gen_reg_rtx (QImode); > > - pat = gen_rtx_EQ (QImode, gen_rtx_REG (CCZmode, FLAGS_REG), > - const0_rtx); > - emit_insn (gen_rtx_SET (target, pat)); > + /* NB: For some keylocker insn, ZF will be set when runtime > + error occurs. Then the output should be cleared for safety. */ Change some keylocker insn to Keylocker aesenc/aesdec in comments. others LGTM. > + tmp = gen_rtx_REG (CCZmode, FLAGS_REG); > + pat = gen_rtx_EQ (QImode, tmp, const0_rtx); > + ok_label = gen_label_rtx (); > + emit_cmp_and_jump_insns (tmp, const0_rtx, NE, 0, GET_MODE (tmp), > + true, ok_label); > + /* Usually the runtime error seldom occur, so predict OK path as > + hotspot to optimize it as fallthrough block. */ > + predict_jump (REG_BR_PROB_BASE * 90 / 100); > + > + emit_insn (gen_rtx_SET (op1, const0_rtx)); > > + emit_label (ok_label); > + emit_insn (gen_rtx_SET (target, pat)); > emit_insn (gen_rtx_SET (op0, op1)); > > return target; > @@ -11644,8 +11658,17 @@ ix86_expand_builtin (tree exp, rtx target, rtx subtarget, > if (target == 0) > target = gen_reg_rtx (QImode); > > - pat = gen_rtx_EQ (QImode, gen_rtx_REG (CCZmode, FLAGS_REG), > - const0_rtx); > + tmp = gen_rtx_REG (CCZmode, FLAGS_REG); > + pat = gen_rtx_EQ (QImode, tmp, const0_rtx); > + ok_label = gen_label_rtx (); > + emit_cmp_and_jump_insns (tmp, const0_rtx, NE, 0, GET_MODE (tmp), > + true, ok_label); > + predict_jump (REG_BR_PROB_BASE * 90 / 100); > + > + for (i = 0; i < 8; i++) > + emit_insn (gen_rtx_SET (xmm_regs[i], const0_rtx)); > + > + emit_label (ok_label); > emit_insn (gen_rtx_SET (target, pat)); > > for (i = 0; i < 8; i++) > diff --git a/gcc/testsuite/gcc.target/i386/keylocker-aesdec128kl.c b/gcc/testsuite/gcc.target/i386/keylocker-aesdec128kl.c > index d134612beea..71111c3206c 100644 > --- a/gcc/testsuite/gcc.target/i386/keylocker-aesdec128kl.c > +++ b/gcc/testsuite/gcc.target/i386/keylocker-aesdec128kl.c > @@ -2,8 +2,10 @@ > /* { dg-options "-mkl -O2" } */ > /* { dg-final { scan-assembler "movdqa\[ \\t\]+\[^\\n\\r\]*, %xmm0" } } */ > /* { dg-final { scan-assembler "aesdec128kl\[ \\t\]+\[^\\n\\r\]*, %xmm0" } } */ > +/* { dg-final { scan-assembler "j\[ez\]" } } */ > /* { dg-final { scan-assembler "sete" } } */ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm0,\[^\\n\\r\]*" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm0, %xmm0" } } */ > > #include > > diff --git a/gcc/testsuite/gcc.target/i386/keylocker-aesdec256kl.c b/gcc/testsuite/gcc.target/i386/keylocker-aesdec256kl.c > index 34736d2d61a..30189d6ae06 100644 > --- a/gcc/testsuite/gcc.target/i386/keylocker-aesdec256kl.c > +++ b/gcc/testsuite/gcc.target/i386/keylocker-aesdec256kl.c > @@ -2,8 +2,10 @@ > /* { dg-options "-mkl -O2" } */ > /* { dg-final { scan-assembler "movdqa\[ \\t\]+\[^\\n\\r\]*, %xmm0" } } */ > /* { dg-final { scan-assembler "aesdec256kl\[ \\t\]+\[^\\n\\r\]*, %xmm0" } } */ > +/* { dg-final { scan-assembler "j\[ez\]" } } */ > /* { dg-final { scan-assembler "sete" } } */ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm0,\[^\\n\\r\]*" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm0, %xmm0" } } */ > > #include > > diff --git a/gcc/testsuite/gcc.target/i386/keylocker-aesdecwide128kl.c b/gcc/testsuite/gcc.target/i386/keylocker-aesdecwide128kl.c > index d23cf4b6517..93806e51508 100644 > --- a/gcc/testsuite/gcc.target/i386/keylocker-aesdecwide128kl.c > +++ b/gcc/testsuite/gcc.target/i386/keylocker-aesdecwide128kl.c > @@ -9,6 +9,7 @@ > /* { dg-final { scan-assembler "movdqu\[ \\t\]+\[^\\n\\r\]*96\[^\\n\\r\]*, %xmm6" } } */ > /* { dg-final { scan-assembler "movdqu\[ \\t\]+\[^\\n\\r\]*112\[^\\n\\r\]*, %xmm7" } } */ > /* { dg-final { scan-assembler "aesdecwide128kl\[ \\t\]+\[^\\n\\r\]*" } } */ > +/* { dg-final { scan-assembler "j\[ez\]" } } */ > /* { dg-final { scan-assembler "sete" } } */ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm0,\[^\\n\\r\]*" } } */ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm1,\[^\\n\\r\]*16\[^\\n\\r\]*" } } */ > @@ -18,6 +19,14 @@ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm5,\[^\\n\\r\]*80\[^\\n\\r\]*" } } */ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm6,\[^\\n\\r\]*96\[^\\n\\r\]*" } } */ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm7,\[^\\n\\r\]*112\[^\\n\\r\]*" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm0, %xmm0" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm1, %xmm1" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm2, %xmm2" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm3, %xmm3" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm4, %xmm4" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm5, %xmm5" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm6, %xmm6" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm7, %xmm7" } } */ > > #include > > diff --git a/gcc/testsuite/gcc.target/i386/keylocker-aesdecwide256kl.c b/gcc/testsuite/gcc.target/i386/keylocker-aesdecwide256kl.c > index 44c3252ab47..f9ccc82c7ca 100644 > --- a/gcc/testsuite/gcc.target/i386/keylocker-aesdecwide256kl.c > +++ b/gcc/testsuite/gcc.target/i386/keylocker-aesdecwide256kl.c > @@ -9,6 +9,7 @@ > /* { dg-final { scan-assembler "movdqu\[ \\t\]+\[^\\n\\r\]*96\[^\\n\\r\]*, %xmm6" } } */ > /* { dg-final { scan-assembler "movdqu\[ \\t\]+\[^\\n\\r\]*112\[^\\n\\r\]*, %xmm7" } } */ > /* { dg-final { scan-assembler "aesdecwide256kl\[ \\t\]+\[^\\n\\r\]*" } } */ > +/* { dg-final { scan-assembler "j\[ez\]" } } */ > /* { dg-final { scan-assembler "sete" } } */ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm0,\[^\\n\\r\]*" } } */ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm1,\[^\\n\\r\]*16\[^\\n\\r\]*" } } */ > @@ -18,6 +19,14 @@ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm5,\[^\\n\\r\]*80\[^\\n\\r\]*" } } */ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm6,\[^\\n\\r\]*96\[^\\n\\r\]*" } } */ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm7,\[^\\n\\r\]*112\[^\\n\\r\]*" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm0, %xmm0" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm1, %xmm1" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm2, %xmm2" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm3, %xmm3" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm4, %xmm4" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm5, %xmm5" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm6, %xmm6" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm7, %xmm7" } } */ > > #include > > diff --git a/gcc/testsuite/gcc.target/i386/keylocker-aesenc128kl.c b/gcc/testsuite/gcc.target/i386/keylocker-aesenc128kl.c > index 9ff483656fd..61a9cc279fc 100644 > --- a/gcc/testsuite/gcc.target/i386/keylocker-aesenc128kl.c > +++ b/gcc/testsuite/gcc.target/i386/keylocker-aesenc128kl.c > @@ -2,8 +2,10 @@ > /* { dg-options "-mkl -O2" } */ > /* { dg-final { scan-assembler "movdqa\[ \\t\]+\[^\\n\\r\]*, %xmm0" } } */ > /* { dg-final { scan-assembler "aesenc128kl\[ \\t\]+\[^\\n\\r\]*, %xmm0" } } */ > +/* { dg-final { scan-assembler "j\[ez\]" } } */ > /* { dg-final { scan-assembler "sete" } } */ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm0,\[^\\n\\r\]*" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm0, %xmm0" } } */ > > #include > > diff --git a/gcc/testsuite/gcc.target/i386/keylocker-aesenc256kl.c b/gcc/testsuite/gcc.target/i386/keylocker-aesenc256kl.c > index 1c5e0765c07..f8e6bb7321f 100644 > --- a/gcc/testsuite/gcc.target/i386/keylocker-aesenc256kl.c > +++ b/gcc/testsuite/gcc.target/i386/keylocker-aesenc256kl.c > @@ -2,8 +2,10 @@ > /* { dg-options "-mkl -O2" } */ > /* { dg-final { scan-assembler "movdqa\[ \\t\]+\[^\\n\\r\]*, %xmm0" } } */ > /* { dg-final { scan-assembler "aesenc256kl\[ \\t\]+\[^\\n\\r\]*, %xmm0" } } */ > +/* { dg-final { scan-assembler "j\[ez\]" } } */ > /* { dg-final { scan-assembler "sete" } } */ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm0,\[^\\n\\r\]*" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm0, %xmm0" } } */ > > #include > > diff --git a/gcc/testsuite/gcc.target/i386/keylocker-aesencwide128kl.c b/gcc/testsuite/gcc.target/i386/keylocker-aesencwide128kl.c > index 9fb9c49314f..c0fcd28fb07 100644 > --- a/gcc/testsuite/gcc.target/i386/keylocker-aesencwide128kl.c > +++ b/gcc/testsuite/gcc.target/i386/keylocker-aesencwide128kl.c > @@ -9,6 +9,7 @@ > /* { dg-final { scan-assembler "movdqu\[ \\t\]+\[^\\n\\r\]*96\[^\\n\\r\]*, %xmm6" } } */ > /* { dg-final { scan-assembler "movdqu\[ \\t\]+\[^\\n\\r\]*112\[^\\n\\r\]*, %xmm7" } } */ > /* { dg-final { scan-assembler "aesencwide128kl\[ \\t\]+\[^\\n\\r\]*" } } */ > +/* { dg-final { scan-assembler "j\[ez\]" } } */ > /* { dg-final { scan-assembler "sete" } } */ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm0,\[^\\n\\r\]*" } } */ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm1,\[^\\n\\r\]*16\[^\\n\\r\]*" } } */ > @@ -18,6 +19,14 @@ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm5,\[^\\n\\r\]*80\[^\\n\\r\]*" } } */ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm6,\[^\\n\\r\]*96\[^\\n\\r\]*" } } */ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm7,\[^\\n\\r\]*112\[^\\n\\r\]*" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm0, %xmm0" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm1, %xmm1" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm2, %xmm2" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm3, %xmm3" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm4, %xmm4" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm5, %xmm5" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm6, %xmm6" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm7, %xmm7" } } */ > > #include > > diff --git a/gcc/testsuite/gcc.target/i386/keylocker-aesencwide256kl.c b/gcc/testsuite/gcc.target/i386/keylocker-aesencwide256kl.c > index 125a787dcd9..31463a8b2da 100644 > --- a/gcc/testsuite/gcc.target/i386/keylocker-aesencwide256kl.c > +++ b/gcc/testsuite/gcc.target/i386/keylocker-aesencwide256kl.c > @@ -9,6 +9,7 @@ > /* { dg-final { scan-assembler "movdqu\[ \\t\]+\[^\\n\\r\]*96\[^\\n\\r\]*, %xmm6" } } */ > /* { dg-final { scan-assembler "movdqu\[ \\t\]+\[^\\n\\r\]*112\[^\\n\\r\]*, %xmm7" } } */ > /* { dg-final { scan-assembler "aesencwide256kl\[ \\t\]+\[^\\n\\r\]*" } } */ > +/* { dg-final { scan-assembler "j\[ez\]" } } */ > /* { dg-final { scan-assembler "sete" } } */ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm0,\[^\\n\\r\]*" } } */ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm1,\[^\\n\\r\]*16\[^\\n\\r\]*" } } */ > @@ -18,6 +19,14 @@ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm5,\[^\\n\\r\]*80\[^\\n\\r\]*" } } */ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm6,\[^\\n\\r\]*96\[^\\n\\r\]*" } } */ > /* { dg-final { scan-assembler "(?:movdqu|movups)\[ \\t\]+\[^\\n\\r\]*%xmm7,\[^\\n\\r\]*112\[^\\n\\r\]*" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm0, %xmm0" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm1, %xmm1" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm2, %xmm2" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm3, %xmm3" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm4, %xmm4" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm5, %xmm5" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm6, %xmm6" } } */ > +/* { dg-final { scan-assembler "pxor\[ \t\]+%xmm7, %xmm7" } } */ > > #include > > -- > 2.18.2 > -- BR, Hongtao