diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 4 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e605c56..7a07d50 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2015-05-12 Segher Boessenkool <segher@kernel.crashing.org> + * config/rs6000/rs6000.md (rs6000_adjust_atomic_subword): Use + gen_ashlsi3 and gen_andsi3 instead of gen_rlwinm. + +2015-05-12 Segher Boessenkool <segher@kernel.crashing.org> + * config/rs6000/rs6000.md (extzv): FAIL for SImode. (extzvsi_internal, *extzvsi_internal1, *extzvsi_internal2, *rotlsi3_internal7le, *rotlsi3_internal7be, *rotlsi3_internal8le, diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 7971cba..3e6f2e3 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -20580,7 +20580,9 @@ rs6000_adjust_atomic_subword (rtx orig_mem, rtx *pshift, rtx *pmask) /* Shift amount for subword relative to aligned word. */ shift = gen_reg_rtx (SImode); addr = gen_lowpart (SImode, addr); - emit_insn (gen_rlwinm (shift, addr, GEN_INT (3), GEN_INT (shift_mask))); + rtx tmp = gen_reg_rtx (SImode); + emit_insn (gen_ashlsi3 (tmp, addr, GEN_INT (3))); + emit_insn (gen_andsi3 (shift, tmp, GEN_INT (shift_mask))); if (BYTES_BIG_ENDIAN) shift = expand_simple_binop (SImode, XOR, shift, GEN_INT (shift_mask), shift, 1, OPTAB_LIB_WIDEN); |