From d32d85e5ba2de223c853b2e1c9bd57a39ebab4ce Mon Sep 17 00:00:00 2001
From: Eli Friedman <eli.friedman@gmail.com>
Date: Sun, 3 Oct 2010 20:23:13 +0000
Subject: [PATCH] Add 3DNowA instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115477 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86Instr3DNow.td |  8 ++++++--
 test/MC/X86/3DNow.s             | 16 ++++++++++++++++
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/lib/Target/X86/X86Instr3DNow.td b/lib/Target/X86/X86Instr3DNow.td
index c8b79878899..45d1c6bc9d2 100644
--- a/lib/Target/X86/X86Instr3DNow.td
+++ b/lib/Target/X86/X86Instr3DNow.td
@@ -69,5 +69,9 @@ def PREFETCHW : I3DNow<0x0D, MRM1m, (outs), (ins i16mem:$addr),
                        "prefetchw $addr", []>;
 }
 
-
-// TODO: Add support for the "3DNowA" instructions.
+// "3DNowA" instructions
+defm PF2IW    : I3DNow_binop_rm<0x1C, "pf2iw">;
+defm PI2FW    : I3DNow_binop_rm<0x0C, "pi2fw">;
+defm PFNACC   : I3DNow_binop_rm<0x8A, "pfnacc">;
+defm PFPNACC  : I3DNow_binop_rm<0x8E, "pfpnacc">;
+defm PSWAPD   : I3DNow_binop_rm<0xBB, "pswapd">;
diff --git a/test/MC/X86/3DNow.s b/test/MC/X86/3DNow.s
index b66385dabf8..4dc68aecf4f 100644
--- a/test/MC/X86/3DNow.s
+++ b/test/MC/X86/3DNow.s
@@ -74,3 +74,19 @@ femms
 // CHECK: prefetchw (%rax)  # encoding: [0x0f,0x0d,0x08]
 prefetch (%rax)
 prefetchw (%rax)
+
+
+// CHECK: pf2iw %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0x1c]
+pf2iw %mm2, %mm1
+
+// CHECK: pi2fw %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0x0c]
+pi2fw %mm2, %mm1
+
+// CHECK: pfnacc %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0x8a]
+pfnacc %mm2, %mm1
+
+// CHECK: pfpnacc %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0x8e]
+pfpnacc %mm2, %mm1
+
+// CHECK: pswapd %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0xbb]
+pswapd %mm2, %mm1