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[PULL 06/15] util/bufferiszero: assign length_to_accel value for each ac


From: Paolo Bonzini
Subject: [PULL 06/15] util/bufferiszero: assign length_to_accel value for each accelerator case
Date: Thu, 2 Apr 2020 15:06:31 -0400

From: Robert Hoo <address@hidden>

Because in unit test, init_accel() will be called several times, each with
different accelerator type.

Signed-off-by: Robert Hoo <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
 util/bufferiszero.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/util/bufferiszero.c b/util/bufferiszero.c
index 663903553a..b8012532e4 100644
--- a/util/bufferiszero.c
+++ b/util/bufferiszero.c
@@ -254,13 +254,16 @@ static void init_accel(unsigned cache)
     bool (*fn)(const void *, size_t) = buffer_zero_int;
     if (cache & CACHE_SSE2) {
         fn = buffer_zero_sse2;
+        length_to_accel = 64;
     }
 #ifdef CONFIG_AVX2_OPT
     if (cache & CACHE_SSE4) {
         fn = buffer_zero_sse4;
+        length_to_accel = 64;
     }
     if (cache & CACHE_AVX2) {
         fn = buffer_zero_avx2;
+        length_to_accel = 64;
     }
 #endif
 #ifdef CONFIG_AVX512F_OPT
-- 
2.18.2





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