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re PR tree-optimization/22269 (ICE in tree-ssa-reassoc with uninitialized variables)

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2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/22269
        * tree-ssa-reassoc.c (should_transpose): Fix which operand
        we check for SSA_NAME for.

2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/22269
        * gcc.c-torture/compile/pr22269.c: New test.

From-SVN: r101519
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Andrew Pinski 2005-07-01 22:01:17 +00:00 • committed by Andrew Pinski
parent a04eae1bf3
commit 7898840fde
4 changed files with 28 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/22269
* tree-ssa-reassoc.c (should_transpose): Fix which operand
we check for SSA_NAME for.
2005-06-29 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/22071

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/22269
* gcc.c-torture/compile/pr22269.c: New test.
2005-06-30 Diego Novillo <dnovillo@redhat.com>
PR 21584

16
gcc/testsuite/gcc.c-torture/compile/pr22269.c Normal file
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@ -0,0 +1,16 @@
/* We used to ICE in tree-ssa-reassoc because we did look at the correct operand to
see if it was a SSA_NAME. */
int printf(const char*, ...);
int main(int argv, char*argc) {
int d1;
int d2;
int s1, s2;
int b;
((d1)&=(int)0x0000ffffL, (d1)|=((int)(short)(0x344))<<16);
((d1)&=(int)0xffff0000UL, (d1)|=(int)(unsigned short)(0x4567));
((d2)&=(int)0x0000ffffL, (d2)|=((int)(short)(0))<<16);
((d2)&=(int)0xffff0000UL, (d2)|=(int)(unsigned short)(0x3b9a));
printf(" dividend >>: %ld\n", d1);
printf(" divisor >>: %ld\n", d2);
}

2
gcc/tree-ssa-reassoc.c
View file

@ -406,7 +406,7 @@ should_transpose (tree rhs ATTRIBUTE_UNUSED,
/* Also, see if the LHS's high ranked op should be switched with our
RHS simply because it is greater in rank than our current RHS. */
if (TREE_CODE (TREE_OPERAND (lhsdefop, 0)) == SSA_NAME)
if (TREE_CODE (TREE_OPERAND (lhsdefop, highrankop)) == SSA_NAME)
{
tree iop = SSA_NAME_DEF_STMT (TREE_OPERAND (lhsdefop, highrankop));
if (TREE_CODE (iop) == MODIFY_EXPR)