Implement the major chunk of PR7195: support for 'callw'
in the integrated assembler. Still some discussion to be
done.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107825 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index b3ba4b6..327dfd0 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -259,6 +259,7 @@
let ParserMatchClass = X86AbsMemAsmOperand,
PrintMethod = "print_pcrel_imm" in {
def i32imm_pcrel : Operand<i32>;
+def i16imm_pcrel : Operand<i16>;
def offset8 : Operand<i64>;
def offset16 : Operand<i64>;
@@ -709,6 +710,12 @@
"lcall{w}\t{*}$dst", []>, OpSize;
def FARCALL32m : I<0xFF, MRM3m, (outs), (ins opaque48mem:$dst),
"lcall{l}\t{*}$dst", []>;
+
+ // callw for 16 bit code for the assembler.
+ let isAsmParserOnly = 1 in
+ def CALLpcrel16 : Ii16PCRel<0xE8, RawFrm,
+ (outs), (ins i16imm_pcrel:$dst, variable_ops),
+ "callw\t$dst", []>, OpSize;
}
// Constructing a stack frame.