s390x/reduce-ice

   1 #!/bin/bash
   2 #
   3 # Run like:
   4 #  multidelta -level=# ./reduce-ice $FILE
   5 #  levels: 0 0 1 1 2 2 10 10
   6 #
   7
   8 FILE=rtld.i
   9 CC=s390x-ibm-linux-gnu-gcc
  10 CFLAGS="-std=gnu99 -fpic -O1"
  11 STRING="unrecognizable insn"
  12
  13 $CC -pipe -c $CFLAGS $FILE 2>&1 | grep "$STRING"
  14
  15 #rtld.c: In function '_dl_start':
  16 #rtld.c:562: error: unrecognizable insn:
  17 #(insn 53 52 54 5 (set (reg:DI 103)
  18 #        (const:DI (plus:DI (symbol_ref:DI ("_rtld_local") [flags 0x2] <var_decl 0x20000672580 _rtld_local>)
  19 #                (const_int -14595029256 [0xfffffffc9a1186f8])))) -1 (nil)
  20 #    (nil))
  21 #rtld.c:562: internal compiler error: in extract_insn, at recog.c:2084