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author | Rong Xu <xur@google.com> | 2014-10-31 12:00:28 -0700 |
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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/pr63341-2.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/pr63341-2.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/vect/pr63341-2.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr63341-2.c b/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr63341-2.c new file mode 100644 index 000000000..4e7d2bb1f --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr63341-2.c @@ -0,0 +1,35 @@ +/* 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, {{0x5010}, {0x5111}, {0x5212}, {0x5313}, {0x5414}, {0x5515}, {0x5616}, {0x5717}, + {0x5818}, {0x5919}, {0x5a1a}, {0x5b1b}, {0x5c1c}, {0x5d1d}, {0x5e1e}, {0x5f1f}, + {0x6020}, {0x6121}, {0x6222}, {0x6323}, {0x6424}, {0x6525}, {0x6626}, {0x6727}, + {0x6828}, {0x6929}, {0x6a2a}, {0x6b2b}, {0x6c2c}, {0x6d2d}, {0x6e2e}, {0x6f2f}}}; +unsigned short d[32] = { 1 }; + +__attribute__((noinline, noclone)) void +foo () +{ + int i; + for (i = 0; i < 32; i++) + d[i] = t.s[i].s + 4; + for (i = 0; i < 32; i++) + if (d[i] != t.s[i].s + 4) + abort (); + else + asm volatile ("" : : : "memory"); +} + +int +main () +{ + check_vect (); + foo (); + return 0; +} + +/* { dg-final { cleanup-tree-dump "vect" } } */ |