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| author | Kewen Lin <linkw@linux.ibm.com> | 2021-07-08 22:00:18 -0500 |
|---|---|---|
| committer | Kewen Lin <linkw@linux.ibm.com> | 2021-07-08 22:00:18 -0500 |
| commit | df85baa5687170cbca8450a59cf17f3157b1d61d (patch) | |
| tree | e0276473e55b3742ec19db524275bb90c97bd683 /gcc | |
| parent | c3d1aa891cbc4d78408481d528d8f0927c2a0379 (diff) | |
| download | gcc-df85baa5687170cbca8450a59cf17f3157b1d61d.zip gcc-df85baa5687170cbca8450a59cf17f3157b1d61d.tar.gz gcc-df85baa5687170cbca8450a59cf17f3157b1d61d.tar.bz2 | |
test/rs6000: Add case to cover vector division
This patch is to add one test case to check if vectorizer
can exploit vector division instrutions newly introduced
by Power10.
gcc/testsuite/ChangeLog:
* gcc.target/powerpc/div-vectorize-1.c: New test.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/gcc.target/powerpc/div-vectorize-1.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/powerpc/div-vectorize-1.c b/gcc/testsuite/gcc.target/powerpc/div-vectorize-1.c new file mode 100644 index 0000000..6208b2d --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/div-vectorize-1.c @@ -0,0 +1,46 @@ +/* { dg-require-effective-target power10_ok } */ +/* { dg-options "-mdejagnu-cpu=power10 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops -fdump-tree-vect-details" } */ + +/* Test vectorizer can exploit ISA 3.1 instructions Vector Divide + Signed/Unsigned Word/Doubleword for word/doubleword division. */ + +#define N 128 + +extern signed int si_a[N], si_b[N], si_c[N]; +extern unsigned int ui_a[N], ui_b[N], ui_c[N]; +extern signed long long sd_a[N], sd_b[N], sd_c[N]; +extern unsigned long long ud_a[N], ud_b[N], ud_c[N]; + +__attribute__ ((noipa)) void +test_si () +{ + for (int i = 0; i < N; i++) + si_c[i] = si_a[i] / si_b[i]; +} + +__attribute__ ((noipa)) void +test_ui () +{ + for (int i = 0; i < N; i++) + ui_c[i] = ui_a[i] / ui_b[i]; +} + +__attribute__ ((noipa)) void +test_sd () +{ + for (int i = 0; i < N; i++) + sd_c[i] = sd_a[i] / sd_b[i]; +} + +__attribute__ ((noipa)) void +test_ud () +{ + for (int i = 0; i < N; i++) + ud_c[i] = ud_a[i] / ud_b[i]; +} + +/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 4 "vect" } } */ +/* { dg-final { scan-assembler-times {\mvdivsw\M} 1 } } */ +/* { dg-final { scan-assembler-times {\mvdivuw\M} 1 } } */ +/* { dg-final { scan-assembler-times {\mvdivsd\M} 1 } } */ +/* { dg-final { scan-assembler-times {\mvdivud\M} 1 } } */ |