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| author | Uros Bizjak <ubizjak@gmail.com> | 2018-05-08 18:48:43 +0200 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2018-05-08 18:48:43 +0200 |
| commit | 49c0e806ac515c294ac05761d231e0acf7c22572 (patch) | |
| tree | 341ed2fcd567a40b03aee579503506517b1696da /gcc | |
| parent | ec332f1b44acfdc8fd08680ea75b9f3c23626cd0 (diff) | |
| download | gcc-49c0e806ac515c294ac05761d231e0acf7c22572.zip gcc-49c0e806ac515c294ac05761d231e0acf7c22572.tar.gz gcc-49c0e806ac515c294ac05761d231e0acf7c22572.tar.bz2 | |
re PR tree-optimization/85693 (Generation of SAD (Sum of Absolute Difference) instruction)
PR target/85693
* gcc.target/i386/pr85693.c: New test.
From-SVN: r260047
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr85693.c | 21 |
2 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index bd65daa..dc19677 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2018-05-08 Uros Bizjak <ubizjak@gmail.com> + + PR target/85693 + * gcc.target/i386/pr85693.c: New test. + 2018-05-08 Jakub Jelinek <jakub@redhat.com> PR target/85683 diff --git a/gcc/testsuite/gcc.target/i386/pr85693.c b/gcc/testsuite/gcc.target/i386/pr85693.c new file mode 100644 index 0000000..214a739 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr85693.c @@ -0,0 +1,21 @@ +/* { dg-do compile } +/* { dg-options "-msse2 -O2 -ftree-vectorize" } */ + +#define N 1024 + +int abs (int); + +unsigned char pix1[N], pix2[N]; + +int foo (void) +{ + int i_sum = 0; + int i; + + for (i = 0; i < N; i++) + i_sum += abs (pix1[i] - pix2[i]); + + return i_sum; +} + +/* { dg-final { scan-assembler "psadbw" } } */ |