re PR target/7594 ([m68k] ICE on legal code associated with simplify-rtx)

        PR target/7594
        * config/m68k/m68k.md (zero_extendhisi2): Use gen_lowpart_SUBREG.
        (zero_extendqihi2, zero_extendqisi2): Likewise.

From-SVN: r67857

gcc/ChangeLog

+2003-06-12  Richard Henderson  <rth@redhat.com>
+
+        PR target/7594
+        * config/m68k/m68k.md (zero_extendhisi2): Use gen_lowpart_SUBREG.
+        (zero_extendqihi2, zero_extendqisi2): Likewise.
+
 2003-06-12  Aldy Hernandez  <aldyh@redhat.com>
 
 	* config/rs6000/rs6000.c (function_arg): Always split vectors for

gcc/config/m68k/m68k.md

@@ -1332,7 +1332,7 @@
   "
 {
   operands[1] = make_safe_from (operands[1], operands[0]);
-  operands[2] = gen_lowpart (HImode, operands[0]);
+  operands[2] = gen_lowpart_SUBREG (HImode, operands[0]);
 }")
 
 (define_expand "zero_extendqihi2"
@@ -1344,7 +1344,7 @@
   "
 {
   operands[1] = make_safe_from (operands[1], operands[0]);
-  operands[2] = gen_lowpart (QImode, operands[0]);
+  operands[2] = gen_lowpart_SUBREG (QImode, operands[0]);
 }")
 
 (define_expand "zero_extendqisi2"
@@ -1356,7 +1356,7 @@
   "
 {
   operands[1] = make_safe_from (operands[1], operands[0]);
-  operands[2] = gen_lowpart (QImode, operands[0]);
+  operands[2] = gen_lowpart_SUBREG (QImode, operands[0]);
 }")
 
 ;; Patterns to recognize zero-extend insns produced by the combiner.