From: Aurelien Jarno <aurelien@aurel32.net>
Date: Tue, 26 Mar 2013 18:56:01 +0000 (+0100)
Subject: target-i386: SSE4.2: fix pcmpXstrX instructions in "Ranges" mode
X-Git-Tag: Tizen_Studio_1.3_Release_p2.3.1~900^2~59^2~481
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=649ad05ed4133d3a48d43881aa9351c024d9cdc1;p=sdk%2Femulator%2Fqemu.git

target-i386: SSE4.2: fix pcmpXstrX instructions in "Ranges" mode

Fix the order of the of the comparisons to match the "Intel 64 and
IA-32 Architectures Software Developer's Manual".

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
---

diff --git a/target-i386/ops_sse.h b/target-i386/ops_sse.h
index 4a95f4130a..51c5fc9313 100644
--- a/target-i386/ops_sse.h
+++ b/target-i386/ops_sse.h
@@ -2019,8 +2019,8 @@ static inline unsigned pcmpxstrx(CPUX86State *env, Reg *d, Reg *s,
             res <<= 1;
             v = pcmp_val(s, ctrl, j);
             for (i = ((validd - 1) | 1); i >= 0; i -= 2) {
-                res |= (pcmp_val(d, ctrl, i - 0) <= v &&
-                        pcmp_val(d, ctrl, i - 1) >= v);
+                res |= (pcmp_val(d, ctrl, i - 0) >= v &&
+                        pcmp_val(d, ctrl, i - 1) <= v);
             }
         }
         break;