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[PULL,for-2.12,1/1] tcg: Fix out-of-line generic vector compares

Message ID 20180406131430.23432-2-richard.henderson@linaro.org
State Accepted
Commit 6cb1d3b8517572031a22675280ec642972cdb395
Headers show
Series tcg vector fix | expand

Commit Message

Richard Henderson April 6, 2018, 1:14 p.m. UTC 
A mistake in the type passed to sizeof, that happens to work
when the out-of-line fallback itself is using host vectors,
but fails when using only the base types.

Tested-by: Emilio G. Cota <cota@braap.org>

Reported-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 accel/tcg/tcg-runtime-gvec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
2.14.3
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Patch

diff --git a/accel/tcg/tcg-runtime-gvec.c b/accel/tcg/tcg-runtime-gvec.c
index 8bf8d63912..90340e56e0 100644
--- a/accel/tcg/tcg-runtime-gvec.c
+++ b/accel/tcg/tcg-runtime-gvec.c
@@ -705,7 +705,7 @@  void HELPER(NAME)(void *d, void *a, void *b, uint32_t desc)                \
 {                                                                          \
     intptr_t oprsz = simd_oprsz(desc);                                     \
     intptr_t i;                                                            \
-    for (i = 0; i < oprsz; i += sizeof(vec64)) {                           \
+    for (i = 0; i < oprsz; i += sizeof(TYPE)) {                            \
         *(TYPE *)(d + i) = DO_CMP0(*(TYPE *)(a + i) OP *(TYPE *)(b + i));  \
     }                                                                      \
     clear_high(d, oprsz, desc);                                            \