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| author | Aurelien Jarno <aurelien@aurel32.net> | 2013-03-26 19:56:02 +0100 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2013-04-01 18:49:16 +0200 |
| commit | e4eba27e29114842978234a44c92b2a945a6b46d (patch) | |
| tree | 291f4ce5e3aa0dcdb886cde197392b713d7130fb | |
| parent | 75c9527e190231fbc2fd8470e132f360e70206be (diff) | |
| download | qemu-e4eba27e29114842978234a44c92b2a945a6b46d.zip qemu-e4eba27e29114842978234a44c92b2a945a6b46d.tar.gz qemu-e4eba27e29114842978234a44c92b2a945a6b46d.tar.bz2 | |
target-i386: SSE4.2: fix pcmpXstrX instructions with "Masked(-)" polarity
valids can equals to -1 if the reg/mem string is empty. Change the
expression to have an empty xor mask in that case.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
| -rw-r--r-- | target-i386/ops_sse.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/target-i386/ops_sse.h b/target-i386/ops_sse.h index 77ab410..a0bac07 100644 --- a/target-i386/ops_sse.h +++ b/target-i386/ops_sse.h @@ -2050,7 +2050,7 @@ static inline unsigned pcmpxstrx(CPUX86State *env, Reg *d, Reg *s, res ^= (2 << upper) - 1; break; case 3: - res ^= (2 << valids) - 1; + res ^= (1 << (valids + 1)) - 1; break; } |