Add support for the 'H' modifier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122667 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86AsmPrinter.cpp b/lib/Target/X86/X86AsmPrinter.cpp
index d0aa290..5c5f999 100644
--- a/lib/Target/X86/X86AsmPrinter.cpp
+++ b/lib/Target/X86/X86AsmPrinter.cpp
@@ -302,6 +302,9 @@
printSymbolOperand(MI->getOperand(Op+3), O);
}
+ if (Modifier && strcmp(Modifier, "H") == 0)
+ O << "+8";
+
if (HasParenPart) {
assert(IndexReg.getReg() != X86::ESP &&
"X86 doesn't allow scaling by ESP");
@@ -458,6 +461,9 @@
case 'q': // Print SImode register
// These only apply to registers, ignore on mem.
break;
+ case 'H':
+ printMemReference(MI, OpNo, O, "H");
+ return false;
case 'P': // Don't print @PLT, but do print as memory.
printMemReference(MI, OpNo, O, "no-rip");
return false;
diff --git a/test/CodeGen/X86/inline-asm-h.ll b/test/CodeGen/X86/inline-asm-h.ll
new file mode 100644
index 0000000..7f83c3a
--- /dev/null
+++ b/test/CodeGen/X86/inline-asm-h.ll
@@ -0,0 +1,12 @@
+; RUN: llc -march=x86-64 < %s | FileCheck %s
+
+@foobar = common global i32 0, align 4
+
+define void @zed() nounwind {
+entry:
+ call void asm "movq %mm2,${0:H}", "=*m,~{dirflag},~{fpsr},~{flags}"(i32* @foobar) nounwind
+ ret void
+}
+
+; CHECK: zed
+; CHECK: movq %mm2,foobar+8(%rip)