On Sat, Oct 15, 2016 at 08:37:49PM -0700, Richard Henderson wrote: > Use the new primitives for RDWINM and RLDICL. > > Cc: qemu-ppc@nongnu.org > Signed-off-by: Richard Henderson Applied to ppc-for-2.8, thanks. > --- > target-ppc/translate.c | 9 ++++----- > 1 file changed, 4 insertions(+), 5 deletions(-) > > diff --git a/target-ppc/translate.c b/target-ppc/translate.c > index bfc1301..724d95c 100644 > --- a/target-ppc/translate.c > +++ b/target-ppc/translate.c > @@ -1977,9 +1977,8 @@ static void gen_rlwinm(DisasContext *ctx) > if (mb == 0 && me == (31 - sh)) { > tcg_gen_shli_tl(t_ra, t_rs, sh); > tcg_gen_ext32u_tl(t_ra, t_ra); > - } else if (sh != 0 && me == 31 && sh == (32 - mb)) { > - tcg_gen_ext32u_tl(t_ra, t_rs); > - tcg_gen_shri_tl(t_ra, t_ra, mb); > + } else if (me == 31 && (me - mb + 1) + sh <= 32) { > + tcg_gen_extract_tl(t_ra, t_rs, sh, me - mb + 1); > } else { > target_ulong mask; > #if defined(TARGET_PPC64) > @@ -2094,8 +2093,8 @@ static void gen_rldinm(DisasContext *ctx, int mb, int me, int sh) > > if (sh != 0 && mb == 0 && me == (63 - sh)) { > tcg_gen_shli_tl(t_ra, t_rs, sh); > - } else if (sh != 0 && me == 63 && sh == (64 - mb)) { > - tcg_gen_shri_tl(t_ra, t_rs, mb); > + } else if (me == 63 && (me - mb + 1) + sh <= 64) { > + tcg_gen_extract_tl(t_ra, t_rs, sh, me - mb + 1); > } else { > tcg_gen_rotli_tl(t_ra, t_rs, sh); > tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me)); -- David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson