commit 3408caf68662ff8df209e52ab3aa4e27c14a371d
author Petar Jovanovic <petar.jovanovic@mips.com> Wed Mar 14 14:13:31 2018 +0000
committer Petar Jovanovic <petar.jovanovic@mips.com> Wed Mar 14 14:13:31 2018 +0000
tree 0fdff253a660258d80f592b83bbcb99343ffc49f
parent d5949429280b625d8d77becdb47fbd75bc8a4e0f

[mips] Add support for CRC ASE

This includes

  Instructions: crc32b, crc32h, crc32w, crc32d,
                crc32cb, crc32ch, crc32cw, crc32cd

  Assembler directives: .set crc, .set nocrc, .module crc, .module nocrc

  Attribute: crc

  .MIPS.abiflags: CRC (0x8000)

Patch by Vladimir Stefanovic.

Differential Revision: https://reviews.llvm.org/D44176

llvm-svn: 327511

llvm/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp

diff --git a/llvm/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp b/llvm/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp
index fb4e1ba..7f0cc9e 100644
--- a/llvm/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp
+++ b/llvm/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp
@@ -52,6 +52,8 @@
 void MipsTargetStreamer::emitDirectiveSetNoMsa() { forbidModuleDirective(); }
 void MipsTargetStreamer::emitDirectiveSetMt() {}
 void MipsTargetStreamer::emitDirectiveSetNoMt() { forbidModuleDirective(); }
+void MipsTargetStreamer::emitDirectiveSetCRC() {}
+void MipsTargetStreamer::emitDirectiveSetNoCRC() {}
 void MipsTargetStreamer::emitDirectiveSetAt() { forbidModuleDirective(); }
 void MipsTargetStreamer::emitDirectiveSetAtWithArg(unsigned RegNo) {
   forbidModuleDirective();
@@ -122,6 +124,8 @@
 void MipsTargetStreamer::emitDirectiveModuleSoftFloat() {}
 void MipsTargetStreamer::emitDirectiveModuleHardFloat() {}
 void MipsTargetStreamer::emitDirectiveModuleMT() {}
+void MipsTargetStreamer::emitDirectiveModuleCRC() {}
+void MipsTargetStreamer::emitDirectiveModuleNoCRC() {}
 void MipsTargetStreamer::emitDirectiveSetFp(
     MipsABIFlagsSection::FpABIKind Value) {
   forbidModuleDirective();
@@ -421,6 +425,16 @@
   MipsTargetStreamer::emitDirectiveSetNoMt();
 }
 
+void MipsTargetAsmStreamer::emitDirectiveSetCRC() {
+  OS << "\t.set\tcrc\n";
+  MipsTargetStreamer::emitDirectiveSetCRC();
+}
+
+void MipsTargetAsmStreamer::emitDirectiveSetNoCRC() {
+  OS << "\t.set\tnocrc\n";
+  MipsTargetStreamer::emitDirectiveSetNoCRC();
+}
+
 void MipsTargetAsmStreamer::emitDirectiveSetAt() {
   OS << "\t.set\tat\n";
   MipsTargetStreamer::emitDirectiveSetAt();
@@ -694,6 +708,14 @@
   OS << "\t.module\tmt\n";
 }
 
+void MipsTargetAsmStreamer::emitDirectiveModuleCRC() {
+  OS << "\t.module\tcrc\n";
+}
+
+void MipsTargetAsmStreamer::emitDirectiveModuleNoCRC() {
+  OS << "\t.module\tnocrc\n";
+}
+
 // This part is for ELF object output.
 MipsTargetELFStreamer::MipsTargetELFStreamer(MCStreamer &S,
                                              const MCSubtargetInfo &STI)