From: Eduardo Habkost <ehabkost@redhat.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
qemu-devel@nongnu.org, Richard Henderson <rth@twiddle.net>,
Marcel Apfelbaum <marcel@redhat.com>,
Igor Mammedov <imammedo@redhat.com>,
He Chen <he.chen@linux.intel.com>
Subject: [Qemu-devel] [PULL 01/13] x86: add AVX512_VPOPCNTDQ features
Date: Mon, 23 Jan 2017 21:27:26 -0200 [thread overview]
Message-ID: <20170123232738.20796-2-ehabkost@redhat.com> (raw)
In-Reply-To: <20170123232738.20796-1-ehabkost@redhat.com>
From: He Chen <he.chen@linux.intel.com>
AVX512_VPOPCNTDQ: Vector POPCNT instructions for word and qwords.
variable precision.
Signed-off-by: He Chen <he.chen@linux.intel.com>
Message-Id: <1484272411-28073-1-git-send-email-he.chen@linux.intel.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
target/i386/cpu.h | 1 +
target/i386/cpu.c | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index 6c1902b36e..10c5a3538d 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -630,6 +630,7 @@ typedef uint32_t FeatureWordArray[FEATURE_WORDS];
#define CPUID_7_0_ECX_UMIP (1U << 2)
#define CPUID_7_0_ECX_PKU (1U << 3)
#define CPUID_7_0_ECX_OSPKE (1U << 4)
+#define CPUID_7_0_ECX_AVX512_VPOPCNTDQ (1U << 14) /* POPCNT for vectors of DW/QW */
#define CPUID_7_0_ECX_LA57 (1U << 16)
#define CPUID_7_0_ECX_RDPID (1U << 22)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index aba11ae171..b6c8c5d65b 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -435,7 +435,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
NULL, "avx512vbmi", "umip", "pku",
"ospke", NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
- NULL, NULL, NULL, NULL,
+ NULL, NULL, "avx512-vpopcntdq", NULL,
"la57", NULL, NULL, NULL,
NULL, NULL, "rdpid", NULL,
NULL, NULL, NULL, NULL,
--
2.11.0.259.g40922b1
next prev parent reply other threads:[~2017-01-23 23:27 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-23 23:27 [Qemu-devel] [PULL 00/13] x86, machine, numa queue (2017-01-23) Eduardo Habkost
2017-01-23 23:27 ` Eduardo Habkost [this message]
2017-01-23 23:27 ` [Qemu-devel] [PULL 02/13] i386: Remove AMD feature flag aliases from Opteron models Eduardo Habkost
2017-01-23 23:27 ` [Qemu-devel] [PULL 03/13] i386: Return migration-safe field on query-cpu-definitions Eduardo Habkost
2017-01-23 23:27 ` [Qemu-devel] [PULL 04/13] vl: Ensure the numa_post_machine_init func in the appropriate location Eduardo Habkost
2017-01-23 23:27 ` [Qemu-devel] [PULL 05/13] arch_init: Remove unnecessary default_config_files table Eduardo Habkost
2017-01-23 23:27 ` [Qemu-devel] [PULL 06/13] pc: cleanup: move smbios_set_cpuid() into pc_build_smbios() Eduardo Habkost
2017-01-23 23:27 ` [Qemu-devel] [PULL 07/13] pc: don't return cpu pointer from pc_new_cpu() as it's not needed anymore Eduardo Habkost
2017-01-23 23:27 ` [Qemu-devel] [PULL 08/13] machine: Make possible_cpu_arch_ids() return const pointer Eduardo Habkost
2017-01-23 23:27 ` [Qemu-devel] [PULL 09/13] MAINTAINERS: Add an entry for hw/core/null-machine.c Eduardo Habkost
2017-01-23 23:27 ` [Qemu-devel] [PULL 10/13] qemu-options: Rename variables on the -numa "cpus" option Eduardo Habkost
2017-01-23 23:27 ` [Qemu-devel] [PULL 11/13] hw/core/null-machine: Add the possibility to instantiate a CPU and RAM Eduardo Habkost
2017-01-23 23:27 ` [Qemu-devel] [PULL 12/13] kvm: Simplify invtsc check Eduardo Habkost
2017-01-23 23:27 ` [Qemu-devel] [PULL 13/13] kvm: Allow invtsc migration if tsc-khz is set explicitly Eduardo Habkost
2017-01-24 13:24 ` [Qemu-devel] [PULL 00/13] x86, machine, numa queue (2017-01-23) Peter Maydell
2017-01-24 13:38 ` Peter Maydell
2017-01-24 16:20 ` Markus Armbruster
2017-01-24 16:57 ` Peter Maydell
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