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authorAurelien Jarno <aurelien@aurel32.net>2013-03-26 19:56:02 +0100
committerAurelien Jarno <aurelien@aurel32.net>2013-04-01 18:49:16 +0200
commit75c9527e190231fbc2fd8470e132f360e70206be (patch)
tree2e1982972c03782399050435b07b28a793f6072a /target-i386/ops_sse.h
parentb27a6cacb73ca006c6995ca5c3db7347333ba7f4 (diff)
downloadqemu-arm-75c9527e190231fbc2fd8470e132f360e70206be.tar.gz
target-i386: SSE4.2: fix pcmpXstrX instructions in "Equal ordered" mode
The inner loop should only change the current bit of the result, instead of the whole result. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-i386/ops_sse.h')
-rw-r--r--target-i386/ops_sse.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/target-i386/ops_sse.h b/target-i386/ops_sse.h
index 2fc5fdd48a..77ab410b9e 100644
--- a/target-i386/ops_sse.h
+++ b/target-i386/ops_sse.h
@@ -2036,10 +2036,11 @@ static inline unsigned pcmpxstrx(CPUX86State *env, Reg *d, Reg *s,
case 3:
for (j = valids - validd; j >= 0; j--) {
res <<= 1;
- res |= 1;
+ v = 1;
for (i = MIN(upper - j, validd); i >= 0; i--) {
- res &= (pcmp_val(s, ctrl, i + j) == pcmp_val(d, ctrl, i));
+ v &= (pcmp_val(s, ctrl, i + j) == pcmp_val(d, ctrl, i));
}
+ res |= v;
}
break;
}