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authorRichard Henderson <rth@twiddle.net>2013-04-02 11:13:28 -0700
committerRichard Henderson <rth@twiddle.net>2013-04-15 19:51:50 +0200
commit752c1fdb6d3e7cc03157af213837f3b081b03858 (patch)
treebaf1a1925e432c87e92d574a02ccfdb1aa20ee61
parent2fd8eddcab144d29f9f58c842ad7a7fd65147394 (diff)
tcg-ppc64: Fix setcond_i32
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>
-rw-r--r--tcg/ppc64/tcg-target.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/tcg/ppc64/tcg-target.c b/tcg/ppc64/tcg-target.c
index b12cbec95a..822eb077b1 100644
--- a/tcg/ppc64/tcg-target.c
+++ b/tcg/ppc64/tcg-target.c
@@ -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));