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[PULL,v2,30/34] s390x/tcg: Allow linux-user to use vector instructions

Message ID 20190607141727.29018-31-cohuck@redhat.com
State New
Headers show
Series [PULL,v2,01/34] MAINTAINERS: cover tests/migration/s390x/ | expand

Commit Message

Cornelia Huck June 7, 2019, 2:17 p.m. UTC 
From: David Hildenbrand <david@redhat.com>

Once we unlock S390_FEAT_VECTOR for TCG, we want linux-user to be
able to make use of it.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: David Hildenbrand <david@redhat.com>
---
 target/s390x/cpu.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c
index b1df63d82c83..6af1a1530ff6 100644
--- a/target/s390x/cpu.c
+++ b/target/s390x/cpu.c
@@ -145,6 +145,9 @@  static void s390_cpu_full_reset(CPUState *s)
 #if defined(CONFIG_USER_ONLY)
     /* user mode should always be allowed to use the full FPU */
     env->cregs[0] |= CR0_AFP;
+    if (s390_has_feat(S390_FEAT_VECTOR)) {
+        env->cregs[0] |= CR0_VECTOR;
+    }
 #endif
 
     /* architectured initial value for Breaking-Event-Address register */