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tcg-ppc64: Fix setcond_i32

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We weren't ignoring the high 32 bits during a NE comparison.

Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2013-04-02 11:13:28 -07:00
parent 2fd8eddcab
commit 752c1fdb6d
1 changed files with 6 additions and 0 deletions
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6
tcg/ppc64/tcg-target.c
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@ -1129,6 +1129,12 @@ static void tcg_out_setcond (TCGContext *s, TCGType type, TCGCond cond,
tcg_out32 (s, XOR | SAB (arg1, 0, arg2));
}
/* Make sure and discard the high 32-bits of the input. */
if (type == TCG_TYPE_I32) {
tcg_out32(s, EXTSW | RA(TCG_REG_R0) | RS(arg));
arg = TCG_REG_R0;
}
if (arg == arg1 && arg1 == arg0) {
tcg_out32(s, ADDIC | TAI(0, arg, -1));
tcg_out32(s, SUBFE | TAB(arg0, 0, arg));