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| author | Rong Xu <xur@google.com> | 2014-10-31 12:00:28 -0700 |
|---|---|---|
| committer | Rong Xu <xur@google.com> | 2014-10-31 12:00:28 -0700 |
| commit | 29098ff058814235fb39d00b7496b7f8345ed3eb (patch) | |
| tree | f0aaf66f503399133223096679a60c1217a45391 /gcc-4.9/gcc/testsuite/gcc.dg/vect/pr63341-1.c | |
| parent | e86367917b8400cc955d8bba75dcc329cb0e75d0 (diff) | |
| download | toolchain_gcc-29098ff058814235fb39d00b7496b7f8345ed3eb.tar.gz toolchain_gcc-29098ff058814235fb39d00b7496b7f8345ed3eb.tar.bz2 toolchain_gcc-29098ff058814235fb39d00b7496b7f8345ed3eb.zip | |
[4.9] Backport patches fixed vectorization issues.
Backport 3 patches from upstream gcc that fixed some vectorization
issues: r215585 fixed PR63341
r216508 fixed PR63563
r216770 fixed PR63530
Change-Id: I650bf25ef0843b1ff01911b567fb26e069fd4550
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/vect/pr63341-1.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/vect/pr63341-1.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr63341-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr63341-1.c new file mode 100644 index 000000000..4aece7bbd --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr63341-1.c @@ -0,0 +1,32 @@ +/* PR tree-optimization/63341 */ +/* { dg-do run } */ + +#include "tree-vect.h" + +typedef union U { unsigned short s; unsigned char c; } __attribute__((packed)) U; +struct S { char e __attribute__((aligned (64))); U s[32]; }; +struct S t = {0, {{1}, {2}, {3}, {4}, {5}, {6}, {7}, {8}, + {9}, {10}, {11}, {12}, {13}, {14}, {15}, {16}, + {17}, {18}, {19}, {20}, {21}, {22}, {23}, {24}, + {25}, {26}, {27}, {28}, {29}, {30}, {31}, {32}}}; +unsigned short d[32] = { 1 }; + +__attribute__((noinline, noclone)) void +foo () +{ + int i; + for (i = 0; i < 32; i++) + d[i] = t.s[i].s; + if (__builtin_memcmp (d, t.s, sizeof d)) + abort (); +} + +int +main () +{ + check_vect (); + foo (); + return 0; +} + +/* { dg-final { cleanup-tree-dump "vect" } } */ |