diff options
| author | Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org> | 2023-06-23 15:27:17 +0530 |
|---|---|---|
| committer | psykose <alice@ayaya.dev> | 2023-07-25 16:44:04 +0000 |
| commit | ef740fff300fd9eb8285fb5611f6205705ee54ec (patch) | |
| tree | 153db6eeab6f60e2485d64a25e827356facdd31a | |
| parent | 4bfcb35bc43d3e3b7510620362d7c28d9e4c17ca (diff) | |
Fix ICE observed in PR110280.alpine/13.1
gcc/ChangeLog:
PR tree-optimization/110280
* match.pd (vec_perm_expr(v, v, mask) -> v): Explicitly build vector
using build_vector_from_val with the element of input operand, and
mask's type if operand and mask's types don't match.
gcc/testsuite/ChangeLog:
PR tree-optimization/110280
* gcc.target/aarch64/sve/pr110280.c: New test.
| -rw-r--r-- | gcc/match.pd | 9 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/aarch64/sve/pr110280.c | 12 |
2 files changed, 20 insertions, 1 deletions
diff --git a/gcc/match.pd b/gcc/match.pd index 91182448250..c3bb4fbc0a7 100644 --- a/gcc/match.pd +++ b/gcc/match.pd @@ -8292,7 +8292,14 @@ and, (simplify (vec_perm vec_same_elem_p@0 @0 @1) - @0) + (if (types_match (type, TREE_TYPE (@0))) + @0 + (with + { + tree elem = uniform_vector_p (@0); + } + (if (elem) + { build_vector_from_val (type, elem); })))) /* Push VEC_PERM earlier if that may help FMA perception (PR101895). */ (simplify diff --git a/gcc/testsuite/gcc.target/aarch64/sve/pr110280.c b/gcc/testsuite/gcc.target/aarch64/sve/pr110280.c new file mode 100644 index 00000000000..d3279f38362 --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/sve/pr110280.c @@ -0,0 +1,12 @@ +/* { dg-do compile } */ +/* { dg-options "-O3 -fdump-tree-optimized" } */ + +#include "arm_sve.h" + +svuint32_t l() +{ + _Alignas(16) const unsigned int lanes[4] = {0, 0, 0, 0}; + return svld1rq_u32(svptrue_b8(), lanes); +} + +/* { dg-final { scan-tree-dump-not "VEC_PERM_EXPR" "optimized" } } */ |