gcc.gnu.org Git - gcc.git/commit

author	Roger Sayle <roger@eyesopen.com>
	Sat, 15 Jun 2002 16:55:24 +0000 (16:55 +0000)
committer	Roger Sayle <sayle@gcc.gnu.org>
	Sat, 15 Jun 2002 16:55:24 +0000 (16:55 +0000)
commit	8dcb27ed86eb249675749e35b1440a8ccfd03881
tree	c9fc91c5bbced804e712ce47aaa7397c5a3ed98d	tree
parent	f7d3c5f00586f93c1a5a46ebbffa14dce150aae7	commit \| diff

fold-const.c (comparison_to_compcode): New function to convert an comparison TREE CODE into a bit-based representation.

* fold-const.c (comparison_to_compcode): New function to convert
an comparison TREE CODE into a bit-based representation.
(compcode_to_comparison): New function to convert from this bit
based representation back to a comparison TREE CODE.
(fold_truthop): Simplify (x<y) && (x==y) and related composite
comparisons.

* gcc.c-tortuture/execute/compare-1.c: New test case.
* gcc.c-tortuture/execute/compare-2.c: New test case.
* gcc.c-tortuture/execute/compare-3.c: New test case.

From-SVN: r54647

gcc/ChangeLog		diff \| blob \| blame \| history
gcc/fold-const.c		diff \| blob \| blame \| history
gcc/testsuite/ChangeLog		diff \| blob \| blame \| history
gcc/testsuite/gcc.c-torture/execute/compare-1.c	[new file with mode: 0644]	blob
gcc/testsuite/gcc.c-torture/execute/compare-2.c	[new file with mode: 0644]	blob
gcc/testsuite/gcc.c-torture/execute/compare-3.c	[new file with mode: 0644]	blob