From: Craig Topper <craig.topper@gmail.com>
Date: Mon, 18 Mar 2013 03:34:55 +0000 (+0000)
Subject: Post process ADC/SBB and use a shorter encoding if they use a sign extended immediate.
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0498b88d4810552fbba36261b76809b18edf0ad3;p=platform%2Fupstream%2Fllvm.git

Post process ADC/SBB and use a shorter encoding if they use a sign extended immediate.

llvm-svn: 177243
---

diff --git a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
index 5f6c110..4ed5534a6 100644
--- a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -1801,6 +1801,12 @@ processInstruction(MCInst &Inst,
   case X86::SUB16i16: return convert16i16to16ri8(Inst, X86::SUB16ri8);
   case X86::SUB32i32: return convert32i32to32ri8(Inst, X86::SUB32ri8);
   case X86::SUB64i32: return convert64i32to64ri8(Inst, X86::SUB64ri8);
+  case X86::ADC16i16: return convert16i16to16ri8(Inst, X86::ADC16ri8);
+  case X86::ADC32i32: return convert32i32to32ri8(Inst, X86::ADC32ri8);
+  case X86::ADC64i32: return convert64i32to64ri8(Inst, X86::ADC64ri8);
+  case X86::SBB16i16: return convert16i16to16ri8(Inst, X86::SBB16ri8);
+  case X86::SBB32i32: return convert32i32to32ri8(Inst, X86::SBB32ri8);
+  case X86::SBB64i32: return convert64i32to64ri8(Inst, X86::SBB64ri8);
   }
 }
 
diff --git a/llvm/test/MC/X86/intel-syntax-encoding.s b/llvm/test/MC/X86/intel-syntax-encoding.s
index 1350364..9806ac3 100644
--- a/llvm/test/MC/X86/intel-syntax-encoding.s
+++ b/llvm/test/MC/X86/intel-syntax-encoding.s
@@ -31,6 +31,20 @@
 // CHECK: encoding: [0x48,0x83,0xc0,0xf4]
 	add	rax, -12
 
+// CHECK: encoding: [0x66,0x83,0xd0,0xf4]
+	adc	ax, -12
+// CHECK: encoding: [0x83,0xd0,0xf4]
+	adc	eax, -12
+// CHECK: encoding: [0x48,0x83,0xd0,0xf4]
+	adc	rax, -12
+
+// CHECK: encoding: [0x66,0x83,0xd8,0xf4]
+	sbb	ax, -12
+// CHECK: encoding: [0x83,0xd8,0xf4]
+	sbb	eax, -12
+// CHECK: encoding: [0x48,0x83,0xd8,0xf4]
+	sbb	rax, -12
+
 // CHECK: encoding: [0x66,0x83,0xf8,0xf4]
 	cmp	ax, -12
 // CHECK: encoding: [0x83,0xf8,0xf4]