Alex Bradbury ee8f60f78f [RISCV] Support -target-abi at the MC layer and for codegen ...

This patch adds proper handling of -target-abi, as accepted by llvm-mc and
llc. Lowering (codegen) for the hard-float ABIs will follow in a subsequent
patch. However, this patch does add MC layer support for the hard float and
RVE ABIs (emission of the appropriate ELF flags
https://github.com/riscv/riscv-elf-psabi-doc/blob/master/riscv-elf.md#-file-header).

ABI parsing must be shared between codegen and the MC layer, so we add
computeTargetABI to RISCVUtils. A warning will be printed if an invalid or
unrecognized ABI is given.

Differential Revision: https://reviews.llvm.org/D59023



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@355771 91177308-0d34-0410-b5e6-96231b3b80d8

2019-03-09 09:28:06 +00:00

..

CMakeLists.txt

…

LLVMBuild.txt

Update the file headers across all of the LLVM projects in the monorepo

2019-01-19 08:50:56 +00:00

RISCVBaseInfo.cpp

[RISCV] Support -target-abi at the MC layer and for codegen

2019-03-09 09:28:06 +00:00

RISCVBaseInfo.h

[RISCV] Support -target-abi at the MC layer and for codegen

2019-03-09 09:28:06 +00:00

RISCVMatInt.cpp

Update the file headers across all of the LLVM projects in the monorepo

2019-01-19 08:50:56 +00:00

RISCVMatInt.h

Update the file headers across all of the LLVM projects in the monorepo

2019-01-19 08:50:56 +00:00