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authorspop <spop@138bc75d-0d04-0410-961f-82ee72b054a4>2005-09-09 11:31:16 +0000
committerspop <spop@138bc75d-0d04-0410-961f-82ee72b054a4>2005-09-09 11:31:16 +0000
commit87975961a71940d0740f928cf8d27843e5a6378d (patch)
tree9e6e96f7ddb875b5d7b4772af040fa1b3005dc67 /gcc/tree-chrec.c
parent9887dd1895f8b48c87a74e33d69cafb5b74f8315 (diff)
downloadgcc-87975961a71940d0740f928cf8d27843e5a6378d.tar.gz
* tree-chrec.c (evolution_function_is_invariant_rec_p): Use
CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead of wrongly accessing operands. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@104093 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-chrec.c')
-rw-r--r--gcc/tree-chrec.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/gcc/tree-chrec.c b/gcc/tree-chrec.c
index 3324c8bc2b7..88b27d84aa6 100644
--- a/gcc/tree-chrec.c
+++ b/gcc/tree-chrec.c
@@ -935,9 +935,16 @@ evolution_function_is_invariant_rec_p (tree chrec, int loopnum)
chrec))
return true;
- if (TREE_CODE (chrec) == POLYNOMIAL_CHREC
- && CHREC_VARIABLE (chrec) == (unsigned) loopnum)
- return false;
+ if (TREE_CODE (chrec) == POLYNOMIAL_CHREC)
+ {
+ if (CHREC_VARIABLE (chrec) == (unsigned) loopnum
+ || !evolution_function_is_invariant_rec_p (CHREC_RIGHT (chrec),
+ loopnum)
+ || !evolution_function_is_invariant_rec_p (CHREC_LEFT (chrec),
+ loopnum))
+ return false;
+ return true;
+ }
switch (TREE_CODE_LENGTH (TREE_CODE (chrec)))
{