Here's the patches split up. The ones that say autogenerated were
generated from the script below.
I haven't included that as a patch yet since not sure about the
copyright/licensing boilerplate to insert in it.
contrib/rtl-pred.sh:
#!/bin/sh
#
codes="CONST_INT|CONST_WIDE_INT|CONST_FIXED|CONST_DOUBLE|CONST_VECTOR|CONST_STRING|REG|SUBREG|MEM|LABEL_REF|SYMBOL_REF|DEBUG_INSN"
if test $# != 1 -a $# != 2; then
echo "Usage: $0 <RTX_CODE> [<RTX_PREDICATE>]" >&2
exit 1
fi
rtx_code="$1"
rtx_pred="$2"
if [ "x${rtx_pred}" == "x" ]; then
rtx_pred=${rtx_code}
fi
find . -path ./testsuite -prune -o -type f -regex '.*\.\(c\|cc\|h\|md\)' \!
-path ./rtl.h -print | xargs \
perl -pi -e 's/\bGET_CODE[ ]?(\((?:(?>[^()]+)|(?1))*\)) (?|(!)=|==)
('${rtx_code}')\b/$2'${rtx_pred}'_P $1/g'
