[Bug target/49305] SH Target: internal compiler error: in reload_cse_simplify_operands, at postreload.c:403

[kkojima at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49305

--- Comment #3 from Kazumoto Kojima <kkojima at gcc dot gnu.org> 2011-06-08 
14:03:02 UTC ---
It's my fault after all.  The patch r174586 should check the mode
parameter too.  Without checking mode, insn-recog routines are
confused and the combine pass makes insns with wrong insn_code.
Now I'm testing

--- ORIG/trunk/gcc/config/sh/predicates.md    2011-06-04 10:16:51.000000000
+0900
+++ trunk/gcc/config/sh/predicates.md    2011-06-08 18:55:09.000000000 +0900
@@ -395,6 +395,7 @@
     }

   if ((mode == QImode || mode == HImode)
+      && mode == GET_MODE (op)
       && (MEM_P (op)
       || (GET_CODE (op) == SUBREG && MEM_P (SUBREG_REG (op)))))
     {
@@ -432,6 +433,7 @@
     return 0;

   if ((mode == QImode || mode == HImode)
+      && mode == GET_MODE (op)
       && (MEM_P (op)
       || (GET_CODE (op) == SUBREG && MEM_P (SUBREG_REG (op)))))
     {

I'll apply it if it survives the tests on sh-elf and sh4-unknown-linux-gnu
and put the patch in #1 into my TODO list.