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| author | Richard Biener <rguenther@suse.de> | 2020-08-31 13:36:09 +0200 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2020-08-31 13:42:31 +0200 |
| commit | f089569851ca9c8a81400dd8a159f86636ed20ec (patch) | |
| tree | 901c94ce8bad4ca064068977c531741eb20343a0 /gcc | |
| parent | 371fa005aeb5c84586fc3dcd37bbfd4d9215b7bb (diff) | |
| download | gcc-f089569851ca9c8a81400dd8a159f86636ed20ec.zip gcc-f089569851ca9c8a81400dd8a159f86636ed20ec.tar.gz gcc-f089569851ca9c8a81400dd8a159f86636ed20ec.tar.bz2 | |
tree-optimization/96854 - testcase for SLP reduction of two-operator
This adds the testcase for the already fixed PR.
2020-08-31 Richard Biener <rguenther@suse.de>
PR tree-optimization/96854
* gcc.dg/vect/pr96854.c: New testcase.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/gcc.dg/vect/pr96854.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/pr96854.c b/gcc/testsuite/gcc.dg/vect/pr96854.c new file mode 100644 index 0000000..e3980d4 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/pr96854.c @@ -0,0 +1,20 @@ +/* { dg-additional-options "-ffast-math" } */ + +double _Complex __attribute__((noipa)) +foo (double _Complex acc, const double _Complex *x, const double _Complex* y, int N) +{ + for (int c = 0; c < N; ++c) + acc -= x[c] * y[c]; + return acc; +} + +int +main() +{ + static const double _Complex y[] = { 1, 2, }; + static const double _Complex x[] = { 1, 3, }; + double _Complex ref = foo (0, x, y, 2); + if (__builtin_creal (ref) != -7.) + __builtin_abort (); + return 0; +} |