提交: 6cb1d3b8517572031a22675280ec642972cdb395 - qemu (git)

Commit MetaInfo

• 修訂: 6cb1d3b8517572031a22675280ec642972cdb395 (tree)
• 時間: 2018-04-06 22:08:50
• 作者: Richard Henderson <richard.henderson@lina...>
• Commiter: Richard Henderson

Log Message

tcg: Fix out-of-line generic vector compares

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 <[e-mail]>
Reported-by: Emilio G. Cota <[e-mail]>
Signed-off-by: Richard Henderson <[e-mail]>

Change Summary

• modified: accel/tcg/tcg-runtime-gvec.c

差異

--- 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);                                            \