RPCS3/archived-llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2026-01-31 01:25:19 +01:00
Code Issues Packages Projects Releases Wiki Activity

[ARM] add target arch definitions for 8.1-M and MVE

Browse Source 
This adds:
- LLVM subtarget features to make all the new instructions conditional on,
- CPU and FPU names for use on clang's command line, with default FPUs set
  so that "armv8.1-m.main+fp" and "armv8.1-m.main+fp.dp" will select the right
  FPU features,
- architecture extension names "mve" and "mve.fp",
- ABI build attribute support for v8.1-M (a new value for Tag_CPU_arch) and MVE
  (a new actual tag).

Patch mostly by Simon Tatham.

Differential Revision: https://reviews.llvm.org/D60698


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@362090 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sjoerd Meijer
2019-05-30 12:57:04 +00:00
parent 0553302737
commit afefcdba98
17 changed files with 154 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
lib/Object/ELFObjectFile.cpp
View File

@@ -230,6 +230,24 @@ SubtargetFeatures ELFObjectFileBase::getARMFeatures() const {
}
}
if (Attributes.hasAttribute(ARMBuildAttrs::MVE_arch)) {
switch(Attributes.getAttributeValue(ARMBuildAttrs::MVE_arch)) {
default:
break;
case ARMBuildAttrs::Not_Allowed:
Features.AddFeature("mve", false);
Features.AddFeature("mve.fp", false);
break;
case ARMBuildAttrs::AllowMVEInteger:
Features.AddFeature("mve.fp", false);
Features.AddFeature("mve");
break;
case ARMBuildAttrs::AllowMVEIntegerAndFloat:
Features.AddFeature("mve.fp");
break;
}
}
if (Attributes.hasAttribute(ARMBuildAttrs::DIV_use)) {
switch(Attributes.getAttributeValue(ARMBuildAttrs::DIV_use)) {
default: