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| author | Ilya Enkovich <enkovich.gnu@gmail.com> | 2015-12-11 09:43:52 +0000 |
|---|---|---|
| committer | Ilya Enkovich <ienkovich@gcc.gnu.org> | 2015-12-11 09:43:52 +0000 |
| commit | da33235f3705746d34977153731f97032c24186b (patch) | |
| tree | ad916805b06b8afdced15765ec76da912a156ecd /gcc | |
| parent | 5d59ed6332df25f0ae59660dc127a4106bc1b7db (diff) | |
| download | gcc-da33235f3705746d34977153731f97032c24186b.zip gcc-da33235f3705746d34977153731f97032c24186b.tar.gz gcc-da33235f3705746d34977153731f97032c24186b.tar.bz2 | |
i386.c (ix86_get_mask_mode): Use scalar modes for 32 and 16 byte boolean vectors when possible.
gcc/
* config/i386/i386.c (ix86_get_mask_mode): Use scalar
modes for 32 and 16 byte boolean vectors when possible.
gcc/testsuite/
* gcc.dg/vect/vect-32-chars.c: New test.
From-SVN: r231553
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/vect/vect-32-chars.c | 16 |
4 files changed, 27 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ab87585..bc3f172 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2015-12-11 Ilya Enkovich <enkovich.gnu@gmail.com> + + * config/i386/i386.c (ix86_get_mask_mode): Use scalar + modes for 32 and 16 byte boolean vectors when possible. + 2015-12-11 Segher Boessenkool <segher@kernel.crashing.org> PR rtl-optimization/67778 diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index d30fbff..e565c0b 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -53533,7 +53533,8 @@ ix86_get_mask_mode (unsigned nunits, unsigned vector_size) unsigned elem_size = vector_size / nunits; /* Scalar mask case. */ - if (TARGET_AVX512F && vector_size == 64) + if ((TARGET_AVX512F && vector_size == 64) + || (TARGET_AVX512VL && (vector_size == 32 || vector_size == 16))) { if (elem_size == 4 || elem_size == 8 || TARGET_AVX512BW) return smallest_mode_for_size (nunits, MODE_INT); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 7257046..9550dc2 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2015-12-11 Ilya Enkovich <enkovich.gnu@gmail.com> + + * gcc.dg/vect/vect-32-chars.c: New test. + 2015-12-11 Jan Hubicka <hubicka@ucw.cz> PR ipa/61886 diff --git a/gcc/testsuite/gcc.dg/vect/vect-32-chars.c b/gcc/testsuite/gcc.dg/vect/vect-32-chars.c new file mode 100644 index 0000000..0af5d2d --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/vect-32-chars.c @@ -0,0 +1,16 @@ +/* { dg-do compile } */ +/* { dg-additional-options "-mavx512bw -mavx512vl" { target { i?86-*-* x86_64-*-* } } } */ + +char a[32]; +char b[32]; +char c[32]; + +void test() +{ + int i = 0; + for (i = 0; i < 32; i++) + if (b[i] > 0) + a[i] = c[i]; +} + +/* { dg-final { scan-tree-dump "vectorized 1 loops" "vect" { target { i?86-*-* x86_64-*-* } } } } */ |