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[AArch64][PR 66136] rewrite geniterators.sh in awk 

2015-06-02  Szabolcs Nagy  <szabolcs.nagy@arm.com>

	PR target/66136
	* config/aarch64/geniterators.sh: Rewrite in awk.

From-SVN: r224031
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Szabolcs Nagy 2015-06-02 16:21:18 +00:00 committed by Szabolcs Nagy
parent 755afe2e51
commit ddda05980f
2 changed files with 51 additions and 19 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2015-06-02 Szabolcs Nagy <szabolcs.nagy@arm.com>
PR target/66136
* config/aarch64/geniterators.sh: Rewrite in awk.
2015-06-02 Martin Liska <mliska@suse.cz>
* alloc-pool.h (pool_allocator::pool_allocator): Set implicit

65
gcc/config/aarch64/geniterators.sh
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@ -22,25 +22,52 @@
# Generate aarch64-builtin-iterators.h, a file containing a series of
# BUILTIN_<ITERATOR> macros, which expand to VAR<N> Macros covering the
# same set of modes as the iterator in iterators.md
echo "/* -*- buffer-read-only: t -*- */"
echo "/* Generated automatically by geniterators.sh from iterators.md. */"
echo "#ifndef GCC_AARCH64_ITERATORS_H"
echo "#define GCC_AARCH64_ITERATORS_H"
# Strip newlines, create records marked ITERATOR, and strip junk (anything
# which does not have a matching brace because it contains characters we
#
# Find the <ITERATOR> definitions (may span several lines), skip the ones
# which does not have a simple format because it contains characters we
# don't want to or can't handle (e.g P, PTR iterators change depending on
# Pmode and ptr_mode).
export LC_ALL=C
cat $1 | tr "\n" " " \
| sed 's/(define_mode_iterator \([A-Za-z0-9_]*\) \([]\[A-Z0-9 \t]*\)/\n#define BUILTIN_\1(T, N, MAP) \\ \2\n/g' \
| grep '#define [A-Z0-9_(), \\]* \[[A-Z0-9[:space:]]*]' \
| sed 's/\t//g' \
| sed 's/ */ /g' \
| sed 's/ \[\([A-Z0-9 ]*\)]/\n\1/' \
| awk ' BEGIN { FS = " " ; OFS = ", "} \
/#/ { print } \
! /#/ { $1 = $1 ; printf " VAR%d (T, N, MAP, %s)\n", NF, tolower($0) }'
LC_ALL=C awk '
BEGIN {
print "/* -*- buffer-read-only: t -*- */"
print "/* Generated automatically by geniterators.sh from iterators.md. */"
print "#ifndef GCC_AARCH64_ITERATORS_H"
print "#define GCC_AARCH64_ITERATORS_H"
}
echo "#endif /* GCC_AARCH64_ITERATORS_H */"
{
sub(/;.*/, "")
}
iterdef {
s = s " " $0
}
!iterdef && /\(define_mode_iterator/ {
iterdef = 1
s = $0
sub(/.*\(define_mode_iterator/, "", s)
}
iterdef && s ~ /\)/ {
iterdef = 0
gsub(/[ \t]+/, " ", s)
sub(/ *\).*/, "", s)
sub(/^ /, "", s)
if (s !~ /^[A-Za-z0-9_]+ \[[A-Z0-9 ]*\]$/)
next
sub(/\[ */, "", s)
sub(/ *\]/, "", s)
n = split(s, a)
printf "#define BUILTIN_" a[1] "(T, N, MAP) \\\n"
printf " VAR" (n-1) " (T, N, MAP"
for (i = 2; i <= n; i++)
printf ", " tolower(a[i])
printf ")\n"
}
END {
print "#endif /* GCC_AARCH64_ITERATORS_H */"
}' $1