| JF Bastien | 5ca0bac | 2015-07-10 18:23:10 +0000 | [diff] [blame] | 1 | // WebAssemblyInstrMemory.td-WebAssembly Memory codegen support -*- tablegen -*- |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | /// |
| 10 | /// \file |
| 11 | /// \brief WebAssembly Memory operand code-gen constructs. |
| 12 | /// |
| 13 | //===----------------------------------------------------------------------===// |
| 14 | |
| 15 | /* |
| 16 | * TODO(jfb): Add the following. |
| 17 | * Each has optional alignment and immediate byte offset. |
| 18 | * |
| 19 | * int32.load_sx[int8]: sign-extend to int32 |
| 20 | * int32.load_sx[int16]: sign-extend to int32 |
| 21 | * int32.load_zx[int8]: zero-extend to int32 |
| 22 | * int32.load_zx[int16]: zero-extend to int32 |
| 23 | * int32.load[int32]: (no conversion) |
| 24 | * int64.load_sx[int8]: sign-extend to int64 |
| 25 | * int64.load_sx[int16]: sign-extend to int64 |
| 26 | * int64.load_sx[int32]: sign-extend to int64 |
| 27 | * int64.load_zx[int8]: zero-extend to int64 |
| 28 | * int64.load_zx[int16]: zero-extend to int64 |
| 29 | * int64.load_zx[int32]: zero-extend to int64 |
| 30 | * int64.load[int64]: (no conversion) |
| 31 | * float32.load[float32]: (no conversion) |
| 32 | * float64.load[float64]: (no conversion) |
| 33 | * |
| 34 | * int32.store[int8]: wrap int32 to int8 |
| 35 | * int32.store[int16]: wrap int32 to int16 |
| 36 | * int32.store[int32]: (no conversion) |
| 37 | * int64.store[int8]: wrap int64 to int8 |
| 38 | * int64.store[int16]: wrap int64 to int16 |
| 39 | * int64.store[int32]: wrap int64 to int32 |
| 40 | * int64.store[int64]: (no conversion) |
| 41 | * float32.store[float32]: (no conversion) |
| 42 | * float64.store[float64]: (no conversion) |
| 43 | * |
| 44 | * load_global: load the value of a given global variable |
| 45 | * store_global: store a given value to a given global variable |
| 46 | */ |