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| author | Kenneth Zadeck <zadeck@naturalbridge.com> | 2014-05-06 16:25:05 +0000 |
|---|---|---|
| committer | Mike Stump <mrs@gcc.gnu.org> | 2014-05-06 16:25:05 +0000 |
| commit | 807e902eea17f3132488c256c963823976b2348c (patch) | |
| tree | e5e1af94eb1502ba893bd6ce4a11f68877ff62a9 /gcc/postreload.c | |
| parent | 6122336c832dc4dfedc49279549caddce86306ff (diff) | |
| download | gcc-807e902eea17f3132488c256c963823976b2348c.zip gcc-807e902eea17f3132488c256c963823976b2348c.tar.gz gcc-807e902eea17f3132488c256c963823976b2348c.tar.bz2 | |
Merge in wide-int.
From-SVN: r210113
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 691467e..4768720 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); |