Add crc32 instruction and intrinsics. Add a new class of prefix
bytes for F2 0F 38 and propagate. Add a FIXME for a set
of possibilities which correspond to intrinsics already used.
New test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78508 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index 03d871a..3dd3c6b 100644
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -517,6 +517,10 @@
case X86II::TA: // 0F 3A
Need0FPrefix = true;
break;
+ case X86II::TF: // F2 0F 38
+ MCE.emitByte(0xF2);
+ Need0FPrefix = true;
+ break;
case X86II::REP: break; // already handled.
case X86II::XS: // F3 0F
MCE.emitByte(0xF3);
@@ -548,6 +552,7 @@
MCE.emitByte(0x0F);
switch (Desc->TSFlags & X86II::Op0Mask) {
+ case X86II::TF: // F2 0F 38
case X86II::T8: // 0F 38
MCE.emitByte(0x38);
break;