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| author | Andrew Pinski <pinskia@physics.uc.edu> | 2005-07-15 23:14:07 +0000 |
|---|---|---|
| committer | Andrew Pinski <pinskia@gcc.gnu.org> | 2005-07-15 16:14:07 -0700 |
| commit | 01c0a9fa284b7fc10d09b4dca5f3e71f845a5ca1 (patch) | |
| tree | 05c7c317bcf26c08712164956da8462eec8e8c68 | |
| parent | 3f774254dbed681d86c023cac491a8c38188d76c (diff) | |
| download | gcc-01c0a9fa284b7fc10d09b4dca5f3e71f845a5ca1.zip gcc-01c0a9fa284b7fc10d09b4dca5f3e71f845a5ca1.tar.gz gcc-01c0a9fa284b7fc10d09b4dca5f3e71f845a5ca1.tar.bz2 | |
[multiple changes]
2005-07-15 Andrew Pinski <pinskia@physics.uc.edu>
PR middle-end/22398
* gcc.c-torture/compile/pr22398.c: New test.
2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
PR middle-end/22398
* fold-const.c (build_range_check): Convert high/low to etype
if we are only comparing against exp.
From-SVN: r102067
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/fold-const.c | 9 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/pr22398.c | 21 |
4 files changed, 38 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 312106e..bbb9248 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2005-07-11 Andrew Pinski <pinskia@physics.uc.edu> + + PR middle-end/22398 + * fold-const.c (build_range_check): Convert high/low to etype + if we are only comparing against exp. + 2005-07-13 Daniel Berlin <dberlin@dberlin.org> Fix PR tree-optimization/22376 diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 3bc27eb..0e414bc 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -3943,13 +3943,16 @@ build_range_check (tree type, tree exp, int in_p, tree low, tree high) return fold_convert (type, integer_one_node); if (low == 0) - return fold_build2 (LE_EXPR, type, exp, high); + return fold_build2 (LE_EXPR, type, exp, + fold_convert (etype, high)); if (high == 0) - return fold_build2 (GE_EXPR, type, exp, low); + return fold_build2 (GE_EXPR, type, exp, + fold_convert (etype, low)); if (operand_equal_p (low, high, 0)) - return fold_build2 (EQ_EXPR, type, exp, low); + return fold_build2 (EQ_EXPR, type, exp, + fold_convert (etype, low)); if (integer_zerop (low)) { diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 4787bcc..61d8725 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2005-07-15 Andrew Pinski <pinskia@physics.uc.edu> + + PR middle-end/22398 + * gcc.c-torture/compile/pr22398.c: New test. + 2005-07-15 Mark Mitchell <mark@codesourcery.com> PR c++/22132 diff --git a/gcc/testsuite/gcc.c-torture/compile/pr22398.c b/gcc/testsuite/gcc.c-torture/compile/pr22398.c new file mode 100644 index 0000000..448de57 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr22398.c @@ -0,0 +1,21 @@ +#if ULONG_MAX != 4294967295u && ULONG_MAX != 18446744073709551615ull +int main(void) { exit (0); } +#else +#if ULONG_MAX != 18446744073709551615ull +#define NUM 0xf0000000 +#else +#define NUM 0xf000000000000000 +#endif + + +int func1(void *rw) +{ + return (rw && (((unsigned long) rw) >= NUM) ); +} + +void func2(void *rw) +{ + while(rw && (((unsigned long) rw) >= NUM) ) {} +} + +#endif |