From b27a6cacb73ca006c6995ca5c3db7347333ba7f4 Mon Sep 17 00:00:00 2001 From: Aurelien Jarno Date: Tue, 26 Mar 2013 19:56:01 +0100 Subject: target-i386: SSE4.2: fix pcmpXstrX instructions in "Equal each" mode pcmpXstrX instructions in "Equal each" mode force both invalid element pair to true. It means (upper - MAX(valids, validd)) bits should be set to 1, not (upper - MAX(valids, validd) + 1). Reviewed-by: Richard Henderson Signed-off-by: Aurelien Jarno --- target-i386/ops_sse.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target-i386/ops_sse.h b/target-i386/ops_sse.h index 51c5fc9313..2fc5fdd48a 100644 --- a/target-i386/ops_sse.h +++ b/target-i386/ops_sse.h @@ -2025,7 +2025,7 @@ static inline unsigned pcmpxstrx(CPUX86State *env, Reg *d, Reg *s, } break; case 2: - res = (2 << (upper - MAX(valids, validd))) - 1; + res = (1 << (upper - MAX(valids, validd))) - 1; res <<= MAX(valids, validd) - MIN(valids, validd); for (i = MIN(valids, validd); i >= 0; i--) { res <<= 1; -- cgit v1.2.3