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

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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>
This commit is contained in:
Aurelien Jarno 2013-03-26 19:56:01 +01:00
parent 2b8d7e9d72
commit 649ad05ed4
1 changed files with 2 additions and 2 deletions
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target-i386/ops_sse.h
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@ -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;