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author	sayle <sayle@138bc75d-0d04-0410-961f-82ee72b054a4>
	Sat, 8 May 2004 17:36:21 +0000 (17:36 +0000)
committer	sayle <sayle@138bc75d-0d04-0410-961f-82ee72b054a4>
	Sat, 8 May 2004 17:36:21 +0000 (17:36 +0000)
commit	270029e05f691c35acf5069c4769f1abce91497e
tree	ed0f064da7a01d71c6b87b252c9b06aeea96bed9	tree \| snapshot
parent	06ccbfc1c88704fe912fdd9dc055263bc611b334	commit \| diff

* fold-const.c (fold_div_compare): New function to optimize X/C1 op C2
where op is a comparison operator and C1 and C2 are integer constants
into a range check.
(fold): Call fold_div_compare.

* gcc.c-torture/execute/divcmp-1.c: New test case.
* gcc.c-torture/execute/divcmp-2.c: New test case.
* gcc.c-torture/execute/divcmp-3.c: New test case.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@81645 138bc75d-0d04-0410-961f-82ee72b054a4

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

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