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| author | Nathan Froyd <froydnj@codesourcery.com> | 2007-07-06 20:43:05 +0000 |
|---|---|---|
| committer | Nathan Froyd <froydnj@gcc.gnu.org> | 2007-07-06 20:43:05 +0000 |
| commit | 2fdf2ff4259795ce3b44121e099baca82662efd2 (patch) | |
| tree | 10c8f20abb9a04fdb1046909a2c2d9f65be3c0f4 | |
| parent | 508dabda235646a3093d923d0afbc3867adb083a (diff) | |
| download | gcc-2fdf2ff4259795ce3b44121e099baca82662efd2.zip gcc-2fdf2ff4259795ce3b44121e099baca82662efd2.tar.gz gcc-2fdf2ff4259795ce3b44121e099baca82662efd2.tar.bz2 | |
multi-ix.c (CHUNK): Be more conservative about the chunk size when STACK_SIZE is defined.
* gcc.c-torture/execute/multi-ix.c (CHUNK): Be more conservative
about the chunk size when STACK_SIZE is defined.
From-SVN: r126425
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/multi-ix.c | 12 |
2 files changed, 16 insertions, 1 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 2e0437d..0789496 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2007-07-06 Nathan Froyd <froydnj@codesourcery.com> + + * gcc.c-torture/execute/multi-ix.c (CHUNK): Be more conservative + about the chunk size when STACK_SIZE is defined. + 2007-07-06 Josh Conner <jconner@apple.com> PR middle-end/32602 diff --git a/gcc/testsuite/gcc.c-torture/execute/multi-ix.c b/gcc/testsuite/gcc.c-torture/execute/multi-ix.c index d61a313..fdfa567 100644 --- a/gcc/testsuite/gcc.c-torture/execute/multi-ix.c +++ b/gcc/testsuite/gcc.c-torture/execute/multi-ix.c @@ -12,7 +12,17 @@ #include <stdarg.h> #ifdef STACK_SIZE -#define CHUNK ((STACK_SIZE-100)/40/sizeof(int)) +/* We need to be careful that we don't blow our stack. Function f, in the + worst case, needs to fit on the stack: + + * 40 int[CHUNK] arrays; + * ~40 ints; + * ~40 pointers for stdarg passing. + + 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)) #else #define CHUNK 500 #endif |