diff options
Diffstat (limited to 'gcc/postreload.c')
| -rw-r--r-- | gcc/postreload.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/gcc/postreload.c b/gcc/postreload.c index b093287d5a9..ea83c3c9b73 100644 --- a/gcc/postreload.c +++ b/gcc/postreload.c @@ -295,27 +295,27 @@ reload_cse_simplify_set (rtx set, rtx insn) #ifdef LOAD_EXTEND_OP if (extend_op != UNKNOWN) { - HOST_WIDE_INT this_val; + wide_int result; - /* ??? I'm lazy and don't wish to handle CONST_DOUBLE. Other - constants, such as SYMBOL_REF, cannot be extended. */ - if (!CONST_INT_P (this_rtx)) + if (!CONST_SCALAR_INT_P (this_rtx)) continue; - this_val = INTVAL (this_rtx); switch (extend_op) { case ZERO_EXTEND: - this_val &= GET_MODE_MASK (GET_MODE (src)); + result = wide_int::from (std::make_pair (this_rtx, + GET_MODE (src)), + BITS_PER_WORD, UNSIGNED); break; case SIGN_EXTEND: - /* ??? In theory we're already extended. */ - if (this_val == trunc_int_for_mode (this_val, GET_MODE (src))) - break; + result = wide_int::from (std::make_pair (this_rtx, + GET_MODE (src)), + BITS_PER_WORD, SIGNED); + break; default: gcc_unreachable (); } - this_rtx = GEN_INT (this_val); + this_rtx = immed_wide_int_const (result, word_mode); } #endif this_cost = set_src_cost (this_rtx, speed); |