Message ID | 1380126458-3247-5-git-send-email-rth@twiddle.net |
---|---|
State | New |
Headers | show |
diff --git a/tcg/ppc/tcg-target.c b/tcg/ppc/tcg-target.c index 24a8621..965108b 100644 --- a/tcg/ppc/tcg-target.c +++ b/tcg/ppc/tcg-target.c @@ -450,7 +450,9 @@ static const uint32_t tcg_to_bc[] = { static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) { - tcg_out32 (s, OR | SAB (arg, ret, arg)); + if (ret != arg) { + tcg_out32(s, OR | SAB(arg, ret, arg)); + } } static void tcg_out_movi(TCGContext *s, TCGType type,
While these are rare from code that's been through the optimizer, it's not uncommon within the tcg backend. Signed-off-by: Richard Henderson <rth@twiddle.net> --- tcg/ppc/tcg-target.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)