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| author | Richard Biener <rguenther@suse.de> | 2018-11-28 08:29:16 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2018-11-28 08:29:16 +0000 |
| commit | fc60283c5c7987a120cdadd24024a0319bfe0360 (patch) | |
| tree | 229c8f38b2813bede35b308081a83780a59a299c /gcc | |
| parent | f9b4801ce0c6bad5088b4b851f03e337c86a5c8e (diff) | |
| download | gcc-fc60283c5c7987a120cdadd24024a0319bfe0360.zip gcc-fc60283c5c7987a120cdadd24024a0319bfe0360.tar.gz gcc-fc60283c5c7987a120cdadd24024a0319bfe0360.tar.bz2 | |
re PR tree-optimization/88182 (ICE in vectorizable_reduction, at tree-vect-loop.c:6465)
2018-10-19 Richard Biener <rguenther@suse.de>
PR tree-optimization/88182
* g++.dg/gomp/pr88182.C: Move from libgomp and use -fopenmp-simd.
* testsuite/libgomp.c++/pr88182.C: Move to g++.dg/gomp.
From-SVN: r266545
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/gomp/pr88182.C | 42 |
2 files changed, 47 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index ce80f72..920885b 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2018-10-19 Richard Biener <rguenther@suse.de> + + PR tree-optimization/88182 + * g++.dg/gomp/pr88182.C: Move from libgomp and use -fopenmp-simd. + 2018-11-27 Jakub Jelinek <jakub@redhat.com> PR c++/88187 diff --git a/gcc/testsuite/g++.dg/gomp/pr88182.C b/gcc/testsuite/g++.dg/gomp/pr88182.C new file mode 100644 index 0000000..6eeeed9 --- /dev/null +++ b/gcc/testsuite/g++.dg/gomp/pr88182.C @@ -0,0 +1,42 @@ +// { dg-do run } +// { dg-options "-O -fopenmp-simd -ftree-loop-if-convert -fno-ssa-phiopt" } + +#pragma omp declare simd simdlen(4) notinbranch +__attribute__((noinline)) int +foo (double c1, double c2) +{ + double z1 = c1, z2 = c2; + int res = 100, i; + + for (i = 0; i < 5; i++) + { + res = (z1 * z1 + z2 * z2 > 4.0) ? (i < res ? i : res) : res; + z1 = c1 + z1 * z1 - z2 * z2; + z2 = c2 + 2.0 * z1 * z2; + c1 += 0.5; + c2 += 0.5; + } + return res; +} + +__attribute__((noinline, noclone)) void +bar (double *x, double *y) +{ + asm volatile ("" : : "rm" (x), "rm" (y) : "memory"); +} + +int +main () +{ + int i; + double c[4] = { 0.0, 1.0, 0.0, 1.0 }; + double d[4] = { 0.0, 1.0, 2.0, 0.0 }; + int e[4]; + bar (c, d); +#pragma omp simd safelen(4) + for (i = 0; i < 4; i++) + e[i] = foo (c[i], d[i]); + if (e[0] != 3 || e[1] != 1 || e[2] != 1 || e[3] != 2) + __builtin_abort (); + return 0; +} |