From 0e0a20eb3859affe4626ee75bd5cb32c033d73fb Mon Sep 17 00:00:00 2001
From: Nate Begeman <natebegeman@mac.com>
Date: Thu, 29 Jul 2010 22:48:09 +0000
Subject: Add builtins for ssat/usat, similar to RealView's __ssat and __usat
 intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109813 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/ARMInstrInfo.td   | 3 +++
 lib/Target/ARM/ARMInstrThumb2.td | 3 +++
 2 files changed, 6 insertions(+)

(limited to 'lib/Target')

diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index f211862..89500e3 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -1835,6 +1835,9 @@ def USAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm,
   let Inst{7-4} = 0b0011;
 }
 
+def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSATlsl imm:$pos, GPR:$a, 0)>;
+def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USATlsl imm:$pos, GPR:$a, 0)>;
+
 //===----------------------------------------------------------------------===//
 //  Bitwise Instructions.
 //
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td
index 7142de0..e106aab 100644
--- a/lib/Target/ARM/ARMInstrThumb2.td
+++ b/lib/Target/ARM/ARMInstrThumb2.td
@@ -1579,6 +1579,9 @@ def t2USAT16 : T2I<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), NoItinerary,
   let Inst{7-6} = 0b00;    // imm2 = '00'
 }
 
+def : T2Pat<(int_arm_ssat GPR:$a, imm:$pos), (t2SSATlsl imm:$pos, GPR:$a, 0)>;
+def : T2Pat<(int_arm_usat GPR:$a, imm:$pos), (t2USATlsl imm:$pos, GPR:$a, 0)>;
+
 //===----------------------------------------------------------------------===//
 //  Shift and rotate Instructions.
 //
-- 
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