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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
| commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
| tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/autopar/pr49580.c | |
| parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
| download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip | |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/autopar/pr49580.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/autopar/pr49580.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/autopar/pr49580.c b/gcc-4.9/gcc/testsuite/gcc.dg/autopar/pr49580.c new file mode 100644 index 000000000..e08fd0e0c --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/autopar/pr49580.c @@ -0,0 +1,38 @@ +/* PR debug/49580 */ +/* { dg-do compile } */ +/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details" } */ + +#include <stdarg.h> +#include <stdlib.h> + +#define N 1600 + +unsigned int ub[N]; +unsigned char reg_has_output_reload[N]; +unsigned int uc[N]; + + __attribute__ ((noinline)) + void main2 (unsigned int regno, unsigned int n_reloads) + { + unsigned int nr=0; + + if (regno> ub[regno]) + nr=regno; + else + nr=ub[nr]; + + while (nr-- > 0) + if (n_reloads == 0 || reg_has_output_reload[regno + nr] == 0) + ub[regno + nr] = 0; +} + +int main (void) +{ + main2 (799, 0); + return 0; +} + + +/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops" } } */ +/* { dg-final { cleanup-tree-dump "parloops" } } */ + |