diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/riscv/riscv-vsetvl.cc | 11 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/riscv/pr117483.c | 20 |
2 files changed, 29 insertions, 2 deletions
diff --git a/gcc/config/riscv/riscv-vsetvl.cc b/gcc/config/riscv/riscv-vsetvl.cc index 0b53b20..35c69a9 100644 --- a/gcc/config/riscv/riscv-vsetvl.cc +++ b/gcc/config/riscv/riscv-vsetvl.cc @@ -1480,8 +1480,15 @@ private: max_sew_overlap_and_next_ratio_valid_for_prev_sew_p (const vsetvl_info &prev, const vsetvl_info &next) { - return next_ratio_valid_for_prev_sew_p (prev, next) - && max_sew_overlap_p (prev, next); + if (next_ratio_valid_for_prev_sew_p (prev, next) + && max_sew_overlap_p (prev, next)) + { + if (next.get_sew () < prev.get_sew () + && (!next.get_ta () || !next.get_ma ())) + return false; + return true; + } + return false; } inline bool sew_le_and_next_sew_le_prev_max_sew_and_ratio_eq_p (const vsetvl_info &prev, diff --git a/gcc/testsuite/gcc.target/riscv/pr117483.c b/gcc/testsuite/gcc.target/riscv/pr117483.c new file mode 100644 index 0000000..3e00986 --- /dev/null +++ b/gcc/testsuite/gcc.target/riscv/pr117483.c @@ -0,0 +1,20 @@ +/* { dg-do compile } */ +/* { dg-options "-fsigned-char -fno-strict-aliasing -fwrapv -march=rv64gcv_zvl256b -mabi=lp64d -O3" } */ + +char a, b, f; +short c, h; +int d[5]; +int e; +long *g; +short (*i)[4]; +int main() { + e = 906784; + char *j = &f; + short *k = &h; + for (short l = 0; l < 23; l += 740314495218734 - 29738) + for (unsigned char m = ~!g[l] - 255; m < 24; m += 3) { + a = k[m]; + b += j[1] ?: d[6]; + c ^= i[010][l]; + } +} |