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author | Michael Matz <matz@suse.de> | 2019-10-28 10:59:01 +0000 |
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committer | Michael Matz <matz@gcc.gnu.org> | 2019-10-28 10:59:01 +0000 |
commit | 5869faffd32c442675220851f371cc0173f6529b (patch) | |
tree | 73bd677565e7b3cc0e67e3bac75f892cd50ed6a0 /gcc | |
parent | 216779db90e32a7a7f8be2b322208c80666f1e52 (diff) | |
download | gcc-5869faffd32c442675220851f371cc0173f6529b.zip gcc-5869faffd32c442675220851f371cc0173f6529b.tar.gz gcc-5869faffd32c442675220851f371cc0173f6529b.tar.bz2 |
Fix unroll-and-jam.c on 32bit
where LIM interacts with foo10. On 64bit LIM doesn't do the problematic
change for whatever reason, but it seems better to disable LIM
alltogether, which requires a minor change in the testcase.
From-SVN: r277508
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
-rw-r--r-- | gcc/testsuite/gcc.dg/unroll-and-jam.c | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 128679a..3fe8a78 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2019-10-28 Michael Matz <matz@suse.de> + + PR middle-end/90796 + * gcc.dg/unroll-and-jam.c: Disable loop-invariant motion and adjust. + 2019-10-28 Ilya Leoshkevich <iii@linux.ibm.com> PR rtl-optimization/92007 diff --git a/gcc/testsuite/gcc.dg/unroll-and-jam.c b/gcc/testsuite/gcc.dg/unroll-and-jam.c index bcfe1bd..7eb6421 100644 --- a/gcc/testsuite/gcc.dg/unroll-and-jam.c +++ b/gcc/testsuite/gcc.dg/unroll-and-jam.c @@ -1,5 +1,5 @@ /* { dg-do run } */ -/* { dg-options "-O3 -floop-unroll-and-jam --param unroll-jam-min-percent=0 -fdump-tree-unrolljam-details" } */ +/* { dg-options "-O3 -floop-unroll-and-jam -fno-tree-loop-im --param unroll-jam-min-percent=0 -fdump-tree-unrolljam-details" } */ /* { dg-require-effective-target int32plus } */ #include <stdio.h> @@ -31,10 +31,10 @@ void checkb(void) //printf(" %d\n", sum); } -unsigned i, j; #define TEST(name, body, test) \ static void __attribute__((noinline,noclone)) name (unsigned long n, unsigned long m) \ { \ + unsigned i, j; \ for (i = 1; i < m; i++) { \ for (j = 1; j < n; j++) { \ body; \ |