------- Comment #9 from ubizjak at gmail dot com 2007-06-12 07:01 ------- Following patch should fix the ICE:
Index: combine.c =================================================================== --- combine.c (revision 125636) +++ combine.c (working copy) @@ -5210,11 +5210,17 @@ simplify_if_then_else (rtx x) if (true_code == EQ && true_val == const0_rtx && exact_log2 (nzb = nonzero_bits (from, GET_MODE (from))) >= 0) - false_code = EQ, false_val = GEN_INT (nzb); + { + false_code = EQ; + false_val = GEN_INT (trunc_int_for_mode (nzb, GET_MODE (from))); + } else if (true_code == EQ && true_val == const0_rtx && (num_sign_bit_copies (from, GET_MODE (from)) == GET_MODE_BITSIZE (GET_MODE (from)))) - false_code = EQ, false_val = constm1_rtx; + { + false_code = EQ; + false_val = constm1_rtx; + } /* Now simplify an arm if we know the value of the register in the branch and it is used in the arm. Be careful due to the potential -- ubizjak at gmail dot com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ubizjak at gmail dot com Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Last reconfirmed|0000-00-00 00:00:00 |2007-06-12 07:01:32 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32293