mirror of
https://github.com/bytecodealliance/wasm-micro-runtime.git
synced 2025-05-14 21:51:27 +00:00
b115b7baac
This change fixes the case where the right parameter of shift operator is negative, specifically, when both parameters of shift opcode are constants.
44 lines
971 B
Plaintext
44 lines
971 B
Plaintext
;; Copyright (C) 2023 Amazon Inc. All rights reserved.
|
|
;; SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
;;
|
|
;; Those tests verify if passing constant negative value
|
|
;; as a right parameter of the shift operator (along
|
|
;; with a constant value of the left operator) causes
|
|
;; any problems. See: https://github.com/bytecodealliance/wasm-micro-runtime/pull/2619
|
|
(module
|
|
(memory (export "memory") 1 1)
|
|
(func $assert_eq (param i32 i32)
|
|
(i32.ne (local.get 0) (local.get 1))
|
|
if
|
|
unreachable
|
|
end
|
|
)
|
|
|
|
(func $i32_shr_u
|
|
(call $assert_eq
|
|
(i32.shr_u (i32.const -1) (i32.const -5))
|
|
(i32.const 31)
|
|
)
|
|
)
|
|
|
|
(func $i32_shr_s
|
|
(call $assert_eq
|
|
(i32.shr_u (i32.const 32) (i32.const -30))
|
|
(i32.const 8)
|
|
)
|
|
)
|
|
|
|
(func $i32_shl
|
|
(call $assert_eq
|
|
(i32.shl (i32.const -1) (i32.const -30))
|
|
(i32.const -4)
|
|
)
|
|
)
|
|
|
|
(func (export "_start")
|
|
call $i32_shr_u
|
|
call $i32_shr_s
|
|
call $i32_shl
|
|
)
|
|
)
|