https://github.com/4vtomat created
https://github.com/llvm/llvm-project/pull/111466
It's illegal if the index is 64 bits and is zero-extend to 32 bits.
>From 6e11ffa9585cf189382501d44915f211abd4be46 Mon Sep 17 00:00:00 2001
From: Brandon Wu <brandon...@sifive.com>
Date: Mon, 7 Oct 2024 19:33:41 -0700
Subject: [PATCH] [clang][RISCV] Make the index of riscv_tuple_extract and
riscv_tuple_insert be truncated rather than zero extended
It's illegal if the index is 64 bits and is zero-extend to 32 bits.
---
clang/include/clang/Basic/riscv_vector.td | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/clang/include/clang/Basic/riscv_vector.td
b/clang/include/clang/Basic/riscv_vector.td
index 6e57e51793a712..1387494c4aeb00 100644
--- a/clang/include/clang/Basic/riscv_vector.td
+++ b/clang/include/clang/Basic/riscv_vector.td
@@ -2564,7 +2564,7 @@ let HasMasked = false, HasVL = false, IRName = "" in {
return Builder.CreateIntrinsic(Intrinsic::riscv_tuple_extract,
{ResultType, Ops[0]->getType()},
- {Ops[0], Builder.CreateZExt(Ops[1],
+ {Ops[0], Builder.CreateTrunc(Ops[1],
Builder.getInt32Ty())});
}
}] in {
@@ -2606,7 +2606,7 @@ let HasMasked = false, HasVL = false, IRName = "" in {
return Builder.CreateIntrinsic(Intrinsic::riscv_tuple_insert,
{ResultType, Ops[2]->getType()},
{Ops[0], Ops[2],
-
Builder.CreateZExt(Ops[1],Builder.getInt32Ty())});
+
Builder.CreateTrunc(Ops[1],Builder.getInt32Ty())});
}
}] in {
foreach dst_lmul = ["(LFixedLog2LMUL:1)", "(LFixedLog2LMUL:2)",
"(LFixedLog2LMUL:3)"] in {
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
