[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH 17/20] target/arm: Fix sve_punpk_p vs odd vector lengths
From: |
Richard Henderson |
Subject: |
[PATCH 17/20] target/arm: Fix sve_punpk_p vs odd vector lengths |
Date: |
Fri, 14 Aug 2020 18:31:42 -0700 |
Wrote too much with punpk1 with vl % 512 != 0.
Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/arm/sve_helper.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
index b8651ae173..c983cd4356 100644
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -2104,11 +2104,11 @@ void HELPER(sve_punpk_p)(void *vd, void *vn, uint32_t
pred_desc)
high = oprsz >> 1;
}
- if ((high & 3) == 0) {
+ if ((oprsz & 7) == 0) {
uint32_t *n = vn;
high >>= 2;
- for (i = 0; i < DIV_ROUND_UP(oprsz, 8); i++) {
+ for (i = 0; i < oprsz / 8; i++) {
uint64_t nn = n[H4(high + i)];
d[i] = expand_bits(nn, 0);
}
--
2.25.1
- [PATCH 20/20] target/arm: Convert sq{, r}dmulh to gvec for aa64 advsimd, (continued)
- [PATCH 20/20] target/arm: Convert sq{, r}dmulh to gvec for aa64 advsimd, Richard Henderson, 2020/08/15
- [PATCH 13/20] target/arm: Tidy SVE tszimm shift formats, Richard Henderson, 2020/08/15
- [PATCH 09/20] target/arm: Merge helper_sve_clr_* and helper_sve_movz_*, Richard Henderson, 2020/08/15
- [PATCH 07/20] target/arm: Use tcg_gen_gvec_bitsel for trans_SEL_pppp, Richard Henderson, 2020/08/15
- [PATCH 08/20] target/arm: Split out gen_gvec_ool_zzzp, Richard Henderson, 2020/08/15
- [PATCH 17/20] target/arm: Fix sve_punpk_p vs odd vector lengths,
Richard Henderson <=
- [PATCH 19/20] target/arm: Convert integer multiply-add (indexed) to gvec for aa64 advsimd, Richard Henderson, 2020/08/15
- [PATCH 11/20] target/arm: Split out gen_gvec_ool_zzz, Richard Henderson, 2020/08/15
- [PATCH 04/20] target/arm: Rearrange {sve,fp}_check_access assert, Richard Henderson, 2020/08/15
- [PATCH 15/20] target/arm: Fix sve_uzp_p vs odd vector lengths, Richard Henderson, 2020/08/15