This cures an ICE caused by a wrong pattern that produces invalid
register references.
gcc/ChangeLog
2018-05-27 Paul Koning <n...@arrl.net>
* config/pdp11/pdp11.md (truncsihi2): Remove.
Index: config/pdp11/pdp11.md
===================================================================
--- config/pdp11/pdp11.md (revision 260806)
+++ config/pdp11/pdp11.md (revision 260807)
@@ -314,7 +314,6 @@
(match_operand:DI 1 "general_operand" "rN,g"))]
""
"* return output_move_multiple (operands);"
-;; what's the mose expensive code - say twice movsi = 16
[(set_attr "length" "16,32")])
(define_insn "movsi"
@@ -322,8 +321,6 @@
(match_operand:SI 1 "general_operand" "rN,IJ,IJ,g"))]
""
"* return output_move_multiple (operands);"
-;; what's the most expensive code ? - I think 8!
-;; we could split it up and make several sub-cases...
[(set_attr "length" "4,6,8,16")])
(define_insn "mov<mode>"
@@ -426,14 +423,6 @@
[(set_attr "length" "0,2,4")])
-(define_expand "truncsihi2"
- [(set (match_operand:HI 0 "nonimmediate_operand" "=g")
- (subreg:HI
- (match_operand:SI 1 "general_operand" "or")
- 0))]
- ""
- "")
-
;;- zero extension instructions
