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| author | Juzhe-Zhong <juzhe.zhong@rivai.ai> | 2023-11-22 11:27:52 +0800 |
|---|---|---|
| committer | Lehua Ding <lehua.ding@rivai.ai> | 2023-11-22 14:30:28 +0800 |
| commit | d13e59b86c5cbeec6135ada3f6dc983289cac610 (patch) | |
| tree | c3bf0425e33aa9be8ff2a6a237acd4c9ebb8a840 /gcc/expr.cc | |
| parent | 2e51fff7ce02a6105aa1acff57cbbdd8a767a33f (diff) | |
| download | gcc-d13e59b86c5cbeec6135ada3f6dc983289cac610.zip gcc-d13e59b86c5cbeec6135ada3f6dc983289cac610.tar.gz gcc-d13e59b86c5cbeec6135ada3f6dc983289cac610.tar.bz2 | |
RISC-V: Fix permutation indice mode bug
This patch fixes following FAILs on zvl512b:
FAIL: gcc.target/riscv/rvv/autovec/partial/slp_run-1.c execution test
FAIL: gcc.target/riscv/rvv/autovec/partial/slp_run-1.c execution test
FAIL: gcc.target/riscv/rvv/autovec/partial/slp_run-16.c execution test
FAIL: gcc.target/riscv/rvv/autovec/partial/slp_run-16.c execution test
FAIL: gcc.target/riscv/rvv/autovec/partial/slp_run-17.c execution test
FAIL: gcc.target/riscv/rvv/autovec/partial/slp_run-17.c execution test
FAIL: gcc.target/riscv/rvv/autovec/partial/slp_run-3.c execution test
FAIL: gcc.target/riscv/rvv/autovec/partial/slp_run-3.c execution test
FAIL: gcc.target/riscv/rvv/autovec/partial/slp_run-5.c execution test
FAIL: gcc.target/riscv/rvv/autovec/partial/slp_run-5.c execution test
FAIL: gcc.target/riscv/rvv/autovec/partial/slp_run-6.c execution test
FAIL: gcc.target/riscv/rvv/autovec/partial/slp_run-6.c execution test
The root cause is that we are using vrgather.vv on vector QI mode which
is incorrect for zvl512b since it exceed 256.
Instead, we should use vrgatherei16.vv
PR target/112598
gcc/ChangeLog:
* config/riscv/riscv-v.cc (emit_vlmax_gather_insn): Adapt the priority.
(shuffle_generic_patterns): Fix permutation indice bug.
* config/riscv/vector-iterators.md: Fix VEI16 bug.
gcc/testsuite/ChangeLog:
* gcc.target/riscv/rvv/autovec/pr112598-2.c: New test.
Diffstat (limited to 'gcc/expr.cc')
0 files changed, 0 insertions, 0 deletions