http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49238
Kazumoto Kojima <kkojima at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Known to work| |4.4.5 Keywords| |ice-on-valid-code Last reconfirmed| |2011.05.31 14:32:50 CC| |kkojima at gcc dot gnu.org Ever Confirmed|0 |1 Summary|ICE in extract_insn, at |[4.5/4.6/4.7 Regression] |recog.c:2113 |[SH] ICE in extract_insn, | |at recog.c:2113 Known to fail| |4.5.4, 4.6.0, 4.7.0 --- Comment #1 from Kazumoto Kojima <kkojima at gcc dot gnu.org> 2011-05-31 14:32:50 UTC --- This might be a fallout of the patch in http://gcc.gnu.org/ml/gcc-patches/2008-04/msg01211.html I'm testing the patch below. --- ORIG/trunk/gcc/config/sh/sh.c 2011-05-31 12:06:18.000000000 +0900 +++ trunk/gcc/config/sh/sh.c 2011-05-31 23:14:33.000000000 +0900 @@ -2199,6 +2199,13 @@ expand_cbranchdi4 (rtx *operands, enum r { operands[1] = op1h; operands[2] = op2h; + if (reload_completed + && ! arith_reg_or_0_operand (op2h, SImode) + && (true_regnum (op1h) || (comparison != EQ && comparison != NE))) + { + emit_move_insn (scratch, operands[2]); + operands[2] = scratch; + } } operands[3] = skip_label = gen_label_rtx ();