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From 4acb439f71797a92ad4d442becdeff28fc36c83a Mon Sep 17 00:00:00 2001
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From: David Hildenbrand <david@redhat.com>
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Date: Wed, 22 May 2019 08:04:01 +0100
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Subject: [PATCH 09/12] s390x/cpumodel: add gen15 defintions
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ae23c9 |
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RH-Author: David Hildenbrand <david@redhat.com>
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Message-id: <20190522080402.20173-10-david@redhat.com>
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Patchwork-id: 88156
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O-Subject: [RHEL8.1 qemu-kvm PATCH v2 09/10] s390x/cpumodel: add gen15 defintions
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Bugzilla: 1660912
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RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
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RH-Acked-by: Jens Freimann <jfreimann@redhat.com>
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RH-Acked-by: Thomas Huth <thuth@redhat.com>
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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add several new features (msa9, sort, deflate, additional vector
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instructions, new general purpose instructions) to generation 15.
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Also disable csske and bpb from the default and base models >=15.
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This will allow to migrate gen15 machines to future machines that
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do not have these features.
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Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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Message-Id: <20190429090250.7648-9-borntraeger@de.ibm.com>
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Reviewed-by: David Hildenbrand <david@redhat.com>
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Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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(cherry picked from commit caef62430fed6e732d3e43d76752d165cf02ad67)
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Conflicts:
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ae23c9 |
target/s390x/gen-features.c:
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Minor contextual conflict due to a different z14-GA2
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default model definition (upstream already adds these
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features to the z14-GA1 model).
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Signed-off-by: David Hildenbrand <david@redhat.com>
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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---
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target/s390x/gen-features.c | 37 +++++++++++++++++++++++++++++++++++++
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1 file changed, 37 insertions(+)
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diff --git a/target/s390x/gen-features.c b/target/s390x/gen-features.c
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index c61bce2..818d51c 100644
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--- a/target/s390x/gen-features.c
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+++ b/target/s390x/gen-features.c
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@@ -13,6 +13,7 @@
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#include <inttypes.h>
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#include <stdio.h>
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+#include <string.h>
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#include "cpu_features_def.h"
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#define ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0]))
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@@ -419,6 +420,10 @@ static uint16_t base_GEN14_GA1[] = {
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#define base_GEN14_GA2 EmptyFeat
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+static uint16_t base_GEN15_GA1[] = {
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+ S390_FEAT_MISC_INSTRUCTION_EXT3,
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+};
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+
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/* Full features (in order of release)
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* Automatically includes corresponding base features.
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* Full features are all features this hardware supports even if kvm/QEMU do not
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@@ -548,6 +553,16 @@ static uint16_t full_GEN14_GA1[] = {
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#define full_GEN14_GA2 EmptyFeat
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+static uint16_t full_GEN15_GA1[] = {
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+ S390_FEAT_VECTOR_ENH2,
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+ S390_FEAT_GROUP_ENH_SORT,
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+ S390_FEAT_GROUP_DEFLATE_CONVERSION,
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+ S390_FEAT_VECTOR_BCD_ENH,
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+ S390_FEAT_GROUP_MSA_EXT_9,
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+ S390_FEAT_GROUP_MSA_EXT_9_PCKMO,
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+ S390_FEAT_ETOKEN,
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+};
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+
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/* Default features (in order of release)
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* Automatically includes corresponding base features.
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* Default features are all features this version of QEMU supports for this
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@@ -630,6 +645,16 @@ static uint16_t default_GEN14_GA2[] = {
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S390_FEAT_GROUP_MULTIPLE_EPOCH_PTFF,
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};
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+static uint16_t default_GEN15_GA1[] = {
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+ S390_FEAT_VECTOR_ENH2,
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+ S390_FEAT_GROUP_ENH_SORT,
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+ S390_FEAT_GROUP_DEFLATE_CONVERSION,
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+ S390_FEAT_VECTOR_BCD_ENH,
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+ S390_FEAT_GROUP_MSA_EXT_9,
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+ S390_FEAT_GROUP_MSA_EXT_9_PCKMO,
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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+ S390_FEAT_ETOKEN,
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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+};
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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+
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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/* QEMU (CPU model) features */
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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static uint16_t qemu_V2_11[] = {
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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@@ -739,6 +764,7 @@ static CpuFeatDefSpec CpuFeatDef[] = {
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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CPU_FEAT_INITIALIZER(GEN13_GA2),
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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CPU_FEAT_INITIALIZER(GEN14_GA1),
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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CPU_FEAT_INITIALIZER(GEN14_GA2),
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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+ CPU_FEAT_INITIALIZER(GEN15_GA1),
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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};
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
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#define FEAT_GROUP_INITIALIZER(_name) \
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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@@ -806,6 +832,11 @@ static void set_bits(uint64_t list[], BitSpec bits)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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}
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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}
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+static inline void clear_bit(uint64_t list[], unsigned long nr)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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+{
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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+ list[nr / 64] &= ~(1ULL << (nr % 64));
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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+}
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+
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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static void print_feature_defs(void)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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{
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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uint64_t base_feat[S390_FEAT_MAX / 64 + 1] = {};
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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@@ -816,6 +847,12 @@ static void print_feature_defs(void)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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printf("\n/* CPU model feature list data */\n");
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for (i = 0; i < ARRAY_SIZE(CpuFeatDef); i++) {
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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+ /* With gen15 CSSKE and BPB are deprecated */
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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+ if (strcmp(CpuFeatDef[i].name, "S390_FEAT_LIST_GEN15_GA1") == 0) {
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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+ clear_bit(base_feat, S390_FEAT_CONDITIONAL_SSKE);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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+ clear_bit(default_feat, S390_FEAT_CONDITIONAL_SSKE);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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+ clear_bit(default_feat, S390_FEAT_BPB);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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+ }
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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set_bits(base_feat, CpuFeatDef[i].base_bits);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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/* add the base to the default features */
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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set_bits(default_feat, CpuFeatDef[i].base_bits);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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--
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
ae23c9 |
1.8.3.1
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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|