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[91.199.104.161]) by mx.google.com with ESMTPS id x21si4114906wmk.149.2019.08.09.09.01.43 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 09 Aug 2019 09:01:43 -0700 (PDT) Received-SPF: pass (google.com: domain of alazar@bitdefender.com designates 91.199.104.161 as permitted sender) client-ip=91.199.104.161; Authentication-Results: mx.google.com; spf=pass (google.com: domain of alazar@bitdefender.com designates 91.199.104.161 as permitted sender) smtp.mailfrom=alazar@bitdefender.com Received: from smtp.bitdefender.com (smtp02.buh.bitdefender.net [10.17.80.76]) by mx01.bbu.dsd.mx.bitdefender.com (Postfix) with ESMTPS id 3CAC9305D366; Fri, 9 Aug 2019 19:01:43 +0300 (EEST) Received: from localhost.localdomain (unknown [89.136.169.210]) by smtp.bitdefender.com (Postfix) with ESMTPSA id A9FD4305B7A4; Fri, 9 Aug 2019 19:01:42 +0300 (EEST) From: =?UTF-8?q?Adalbert=20Laz=C4=83r?= To: kvm@vger.kernel.org Cc: linux-mm@kvack.org, virtualization@lists.linux-foundation.org, Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= , Konrad Rzeszutek Wilk , Tamas K Lengyel , Mathieu Tarral , =?UTF-8?q?Samuel=20Laur=C3=A9n?= , Patrick Colp , Jan Kiszka , Stefan Hajnoczi , Weijiang Yang , Zhang@kvack.org, Yu C , =?UTF-8?q?Mihai=20Don=C8=9Bu?= , =?UTF-8?q?Adalbert=20Laz=C4=83r?= Subject: [RFC PATCH v6 87/92] kvm: x86: emulate xorps xmm/m128, xmm Date: Fri, 9 Aug 2019 19:00:42 +0300 Message-Id: <20190809160047.8319-88-alazar@bitdefender.com> In-Reply-To: <20190809160047.8319-1-alazar@bitdefender.com> References: <20190809160047.8319-1-alazar@bitdefender.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Mihai Donțu This extends the previous xorpd by creating a dedicated group, something I should have done since the very beginning. Signed-off-by: Mihai Donțu Signed-off-by: Adalbert Lazăr --- arch/x86/kvm/emulate.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 28aac552b34b..14895c043edc 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -1178,6 +1178,22 @@ static int em_fnstsw(struct x86_emulate_ctxt *ctxt) return X86EMUL_CONTINUE; } +static int em_xorps(struct x86_emulate_ctxt *ctxt) +{ + const sse128_t *src = &ctxt->src.vec_val; + sse128_t *dst = &ctxt->dst.vec_val; + sse128_t xmm0; + + asm volatile("movdqu %%xmm0, %0\n" + "movdqu %1, %%xmm0\n" + "xorps %2, %%xmm0\n" + "movdqu %%xmm0, %1\n" + "movdqu %0, %%xmm0" + : "+m"(xmm0), "+m"(*dst) : "m"(*src)); + + return X86EMUL_CONTINUE; +} + static int em_xorpd(struct x86_emulate_ctxt *ctxt) { const sse128_t *src = &ctxt->src.vec_val; @@ -4615,6 +4631,10 @@ static const struct gprefix pfx_0f_e7 = { N, I(Sse, em_mov), N, N, }; +static const struct gprefix pfx_0f_57 = { + I(Unaligned, em_xorps), I(Unaligned, em_xorpd), N, N +}; + static const struct escape escape_d9 = { { N, N, N, N, N, N, N, I(DstMem16 | Mov, em_fnstcw), }, { @@ -4847,7 +4867,7 @@ static const struct opcode twobyte_table[256] = { /* 0x40 - 0x4F */ X16(D(DstReg | SrcMem | ModRM)), /* 0x50 - 0x5F */ - N, N, N, N, N, N, N, I(SrcMem | DstReg | ModRM | Unaligned | Sse, em_xorpd), + N, N, N, N, N, N, N, GP(SrcMem | DstReg | ModRM | Sse, &pfx_0f_57), N, N, N, N, N, N, N, N, /* 0x60 - 0x6F */ N, N, N, N,