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[PULL,26/27] target/arm: Add missing clear_tail calls

Message ID 20190214190603.25030-27-peter.maydell@linaro.org
State Accepted
Commit d8efe78e8039511b95c23d75bb48eca6873fbb0f
Headers show
Series target-arm queue | expand

Commit Message

Peter Maydell Feb. 14, 2019, 7:06 p.m. UTC 
From: Richard Henderson <richard.henderson@linaro.org>


Fortunately, the functions affected are so far only called from SVE,
so there is no tail to be cleared.  But as we convert more of AdvSIMD
to gvec, this will matter.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Message-id: 20190209033847.9014-13-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

---
 target/arm/vec_helper.c | 2 ++
 1 file changed, 2 insertions(+)

-- 
2.20.1
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Patch

diff --git a/target/arm/vec_helper.c b/target/arm/vec_helper.c
index 10f17e4b5cf..dfc635cf9a5 100644
--- a/target/arm/vec_helper.c
+++ b/target/arm/vec_helper.c
@@ -638,6 +638,7 @@  void HELPER(NAME)(void *vd, void *vn, void *stat, uint32_t desc)  \
     for (i = 0; i < oprsz / sizeof(TYPE); i++) {                  \
         d[i] = FUNC(n[i], stat);                                  \
     }                                                             \
+    clear_tail(d, oprsz, simd_maxsz(desc));                       \
 }
 
 DO_2OP(gvec_frecpe_h, helper_recpe_f16, float16)
@@ -688,6 +689,7 @@  void HELPER(NAME)(void *vd, void *vn, void *vm, void *stat, uint32_t desc) \
     for (i = 0; i < oprsz / sizeof(TYPE); i++) {                           \
         d[i] = FUNC(n[i], m[i], stat);                                     \
     }                                                                      \
+    clear_tail(d, oprsz, simd_maxsz(desc));                                \
 }
 
 DO_3OP(gvec_fadd_h, float16_add, float16)