diff options
| author | Uros Bizjak <uros@gcc.gnu.org> | 2008-03-27 18:49:43 +0100 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2008-03-27 18:49:43 +0100 |
| commit | 75f8beae9795785e425c3d8dce5360a2b7ad1812 (patch) | |
| tree | 40df8a1368f6b431d1724588074f4873393a02a4 | |
| parent | ffd837fe164a08ed4e3315009d61bb24c69fe04d (diff) | |
| download | gcc-75f8beae9795785e425c3d8dce5360a2b7ad1812.zip gcc-75f8beae9795785e425c3d8dce5360a2b7ad1812.tar.gz gcc-75f8beae9795785e425c3d8dce5360a2b7ad1812.tar.bz2 | |
multi-ix.c: Limit CHUNK size between 1 and 500.
* gcc.c-torture/execute/multi-ix.c: Limit CHUNK size between 1 and 500.
(main): Exit early for CHUNK less than 40 to avoid stack corruption.
From-SVN: r133648
| -rw-r--r-- | gcc/testsuite/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/multi-ix.c | 16 |
2 files changed, 21 insertions, 4 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 1752896..5a52593 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2008-03-26 Uros Bizjak <ubizjak@gmail.com> + + * gcc.c-torture/execute/multi-ix.c: Limit CHUNK size between 1 and 500. + (main): Exit early for CHUNK less than 40 to avoid stack corruption. + 2008-03-27 Richard Guenther <rguenther@suse.de> PR c/32511 @@ -10,7 +15,7 @@ 2008-03-27 Douglas Gregor <doug.gregor@gmail.com> - * g++.dg/cpp0x/variadic91.C: New. + * g++.dg/cpp0x/variadic91.C: New. 2008-03-27 Zdenek Dvorak <ook@ucw.cz> @@ -37,7 +42,7 @@ 2008-03-26 Richard Guenther <rguenther@suse.de> - Revert + Revert: 2008-03-26 Richard Guenther <rguenther@suse.de> * gcc.dg/fold-addr-1.c: New testcase. diff --git a/gcc/testsuite/gcc.c-torture/execute/multi-ix.c b/gcc/testsuite/gcc.c-torture/execute/multi-ix.c index c9f28b0..377f08c 100644 --- a/gcc/testsuite/gcc.c-torture/execute/multi-ix.c +++ b/gcc/testsuite/gcc.c-torture/execute/multi-ix.c @@ -21,8 +21,15 @@ Subtract the last two off STACK_SIZE and figure out what the maximum chunk size can be. We make the last bit conservative to account for - register saves and other processor-dependent saving. */ -#define CHUNK ((STACK_SIZE-40*sizeof(int)-256*sizeof(void *))/40/sizeof(int)) + register saves and other processor-dependent saving. Limit the + chunk size to some sane values. */ + +#define MIN(X,Y) ((X) < (Y) ? (X) : (Y)) +#define MAX(X,Y) ((X) > (Y) ? (X) : (Y)) + +#define CHUNK \ + MIN (500, (MAX (1, (signed)(STACK_SIZE-40*sizeof(int)-256*sizeof(void *)) \ + / (signed)(40*sizeof(int))))) #else #define CHUNK 500 #endif @@ -146,6 +153,11 @@ f (int n) int main () { + /* CHUNK needs to be at least 40 to avoid stack corruption, + since index variable i0 in "a[i0] = i0" equals 39. */ + if (CHUNK < 40) + exit (0); + f (1); exit (0); } |