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[Qemu-devel] [PULL v2 07/34] s390x: Align vector registers to 16 bytes


From: Cornelia Huck
Subject: [Qemu-devel] [PULL v2 07/34] s390x: Align vector registers to 16 bytes
Date: Fri, 7 Jun 2019 16:17:00 +0200

From: David Hildenbrand <address@hidden>

11e2bfef7990 ("tcg/i386: Use MOVDQA for TCG_TYPE_V128 load/store")
revealed that the vregs are not aligned to 16 bytes. Align them to
16 bytes, to avoid segfault'ing on x86.

Reviewed-by: Richard Henderson <address@hidden>
Signed-off-by: David Hildenbrand <address@hidden>
---
 target/s390x/cpu.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h
index 7305cacc7b77..1bed12b6c3e0 100644
--- a/target/s390x/cpu.h
+++ b/target/s390x/cpu.h
@@ -66,7 +66,7 @@ struct CPUS390XState {
      * The floating point registers are part of the vector registers.
      * vregs[0][0] -> vregs[15][0] are 16 floating point registers
      */
-    CPU_DoubleU vregs[32][2];  /* vector registers */
+    CPU_DoubleU vregs[32][2] QEMU_ALIGNED(16);  /* vector registers */
     uint32_t aregs[16];    /* access registers */
     uint8_t riccb[64];     /* runtime instrumentation control */
     uint64_t gscb[4];      /* guarded storage control */
-- 
2.20.1




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