mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 03:02:36 +01:00
64 lines
2.1 KiB
TableGen
64 lines
2.1 KiB
TableGen
//===-- LeonFeatures.td - Describe the Leon Features -------*- tablegen -*-===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// UMAC and SMAC support for LEON3 and LEON4 processors.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
//support to casa instruction; for leon3 subtarget only
|
|
def UMACSMACSupport : SubtargetFeature<
|
|
"hasumacsmac",
|
|
"HasUmacSmac",
|
|
"true",
|
|
"Enable UMAC and SMAC for LEON3 and LEON4 processors"
|
|
>;
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// CASA Support differs between LEON3-FT GR712RC and LEON3-FT UT699
|
|
// We need to have the option to switch this on and off.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
//support to casa instruction; for leon3 subtarget only
|
|
def LeonCASA : SubtargetFeature<
|
|
"hasleoncasa",
|
|
"HasLeonCasa",
|
|
"true",
|
|
"Enable CASA instruction for LEON3 and LEON4 processors"
|
|
>;
|
|
|
|
def InsertNOPLoad: SubtargetFeature<
|
|
"insertnopload",
|
|
"InsertNOPLoad",
|
|
"true",
|
|
"LEON3 erratum fix: Insert a NOP instruction after every single-cycle load instruction when the next instruction is another load/store instruction"
|
|
>;
|
|
|
|
def DetectRoundChange : SubtargetFeature<
|
|
"detectroundchange",
|
|
"DetectRoundChange",
|
|
"true",
|
|
"LEON3 erratum detection: Detects any rounding mode change "
|
|
"request: use only the round-to-nearest rounding mode"
|
|
>;
|
|
|
|
def FixAllFDIVSQRT : SubtargetFeature<
|
|
"fixallfdivsqrt",
|
|
"FixAllFDIVSQRT",
|
|
"true",
|
|
"LEON erratum fix: Fix FDIVS/FDIVD/FSQRTS/FSQRTD instructions with NOPs and floating-point store"
|
|
>;
|
|
|
|
def LeonCycleCounter
|
|
: SubtargetFeature<"leoncyclecounter", "HasLeonCycleCounter", "true",
|
|
"Use the Leon cycle counter register">;
|