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authorMax Chou <max.chou@sifive.com>2025-04-08 18:39:32 +0800
committerAlistair Francis <alistair.francis@wdc.com>2025-05-19 13:38:50 +1000
commitfbeaf35838768086b435833cb4dc5182c73ec2bc (patch)
tree1063db6b129bede726277478520a660f0356152d
parent629c2a8dd7506e1cb9b6b7127604641632ac453f (diff)
downloadfocaccia-qemu-fbeaf35838768086b435833cb4dc5182c73ec2bc.tar.gz
focaccia-qemu-fbeaf35838768086b435833cb4dc5182c73ec2bc.zip
target/riscv: rvv: Apply vext_check_input_eew to OPIVI/OPIVX/OPFVF(vext_check_ss) instructions
Handle the overlap of source registers with different EEWs.

Co-authored-by: Anton Blanchard <antonb@tenstorrent.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Signed-off-by: Max Chou <max.chou@sifive.com>
Message-ID: <20250408103938.3623486-5-max.chou@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Cc: qemu-stable@nongnu.org
-rw-r--r--target/riscv/insn_trans/trans_rvv.c.inc3
1 files changed, 2 insertions, 1 deletions
diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_trans/trans_rvv.c.inc
index 04367e1bec..b1e1db04a0 100644
--- a/target/riscv/insn_trans/trans_rvv.c.inc
+++ b/target/riscv/insn_trans/trans_rvv.c.inc
@@ -412,7 +412,8 @@ static bool vext_check_ss(DisasContext *s, int vd, int vs, int vm)
 {
     return require_vm(vm, vd) &&
            require_align(vd, s->lmul) &&
-           require_align(vs, s->lmul);
+           require_align(vs, s->lmul) &&
+           vext_check_input_eew(s, vs, s->sew, -1, s->sew, vm);
 }
 
 /*