OpenE2K/qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

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

Browse Source 
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>
This commit is contained in:
Aurelien Jarno 2013-03-26 19:56:02 +01:00
parent b27a6cacb7
commit 75c9527e19
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
target-i386/ops_sse.h
View File

@ -2036,10 +2036,11 @@ static inline unsigned pcmpxstrx(CPUX86State *env, Reg *d, Reg *s,
case 3: case 3:
for (j = valids - validd; j >= 0; j--) { for (j = valids - validd; j >= 0; j--) {
res <<= 1; res <<= 1;
res |= 1; v = 1;
for (i = MIN(upper - j, validd); i >= 0; i--) { 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; break;
} }