Fix part 1 of pr4682. PICADD is a 16-bit instruction even in thumb2 mode.

[oota-llvm.git] / lib / Target / ARM / ARMInstrFormats.td

diff --git a/lib/Target/ARM/ARMInstrFormats.td b/lib/Target/ARM/ARMInstrFormats.td
index c32edadd00f90136cf1ed0bb1d872a50ec1494e6..2d76a3615f6b68769beca77c2c114640a3bbbffa 100644 (file)
--- a/lib/Target/ARM/ARMInstrFormats.td
+++ b/lib/Target/ARM/ARMInstrFormats.td
@@ -808,7 +808,11 @@ class ThumbI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
 class TI<dag oops, dag iops, string asm, list<dag> pattern>
   : ThumbI<oops, iops, AddrModeNone, Size2Bytes, asm, "", pattern>;
 
-// BL, BLX(1) are translated by assembler into two instructions
+// Two-address instructions
+class TIt<dag oops, dag iops, string asm, list<dag> pattern>
+  : ThumbI<oops, iops, AddrModeNone, Size2Bytes, asm, "$lhs = $dst", pattern>;
+
+// tBL, tBX instructions
 class TIx2<dag oops, dag iops, string asm, list<dag> pattern>
   : ThumbI<oops, iops, AddrModeNone, Size4Bytes, asm, "", pattern>;
 
@@ -816,15 +820,6 @@ class TIx2<dag oops, dag iops, string asm, list<dag> pattern>
 class TJTI<dag oops, dag iops, string asm, list<dag> pattern>
   : ThumbI<oops, iops, AddrModeNone, SizeSpecial, asm, "", pattern>;
 
-// TPat - Same as Pat<>, but requires that the compiler be in Thumb mode.
-class TPat<dag pattern, dag result> : Pat<pattern, result> {
-  list<Predicate> Predicates = [IsThumb];
-}
-
-class Tv5Pat<dag pattern, dag result> : Pat<pattern, result> {
-  list<Predicate> Predicates = [IsThumb, HasV5T];
-}
-
 // Thumb1 only
 class Thumb1I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
              string asm, string cstr, list<dag> pattern>
@@ -894,10 +889,6 @@ class T1pI4<dag oops, dag iops, string opc, string asm, list<dag> pattern>
 class T1pIs<dag oops, dag iops, string opc, string asm, list<dag> pattern>
   : Thumb1pI<oops, iops, AddrModeT1_s, Size2Bytes, opc, asm, "", pattern>;
 
-class T1Pat<dag pattern, dag result> : Pat<pattern, result> {
-  list<Predicate> Predicates = [IsThumb1Only];
-}
-
 // Thumb2I - Thumb2 instruction. Almost all Thumb2 instructions are predicable.
 class Thumb2I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
               string opc, string asm, string cstr, list<dag> pattern>
@@ -967,6 +958,15 @@ class T2Iidxldst<dag oops, dag iops, AddrMode am, IndexMode im,
   list<Predicate> Predicates = [IsThumb2];
 }
 
+// Tv5Pat - Same as Pat<>, but requires V5T Thumb mode.
+class Tv5Pat<dag pattern, dag result> : Pat<pattern, result> {
+  list<Predicate> Predicates = [IsThumb1Only, HasV5T];
+}
+
+// T1Pat - Same as Pat<>, but requires that the compiler be in Thumb1 mode.
+class T1Pat<dag pattern, dag result> : Pat<pattern, result> {
+  list<Predicate> Predicates = [IsThumb1Only];
+}
 
 // T2Pat - Same as Pat<>, but requires that the compiler be in Thumb2 mode.
 class T2Pat<dag pattern, dag result> : Pat<pattern, result> {
@@ -1075,6 +1075,14 @@ class ASuI<bits<8> opcod1, bits<4> opcod2, bits<4> opcod3, dag oops, dag iops,
   let Inst{7-4}   = opcod3;
 }
 
+// Single precision, unary if no NEON
+// Same as ASuI except not available if NEON is enabled
+class ASuIn<bits<8> opcod1, bits<4> opcod2, bits<4> opcod3, dag oops, dag iops,
+           string opc, string asm, list<dag> pattern>
+  : ASuI<opcod1, opcod2, opcod2, oops, iops, opc, asm, pattern> {
+  list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
+}
+
 // Single precision, binary
 class ASbI<bits<8> opcod, dag oops, dag iops, string opc,
            string asm, list<dag> pattern>
@@ -1084,6 +1092,14 @@ class ASbI<bits<8> opcod, dag oops, dag iops, string opc,
   let Inst{11-8}  = 0b1010;
 }
 
+// Single precision, binary if no NEON
+// Same as ASbI except not available if NEON is enabled
+class ASbIn<bits<8> opcod, dag oops, dag iops, string opc,
+            string asm, list<dag> pattern>
+  : ASbI<opcod, oops, iops, opc, asm, pattern> {
+  list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
+}
+
 // VFP conversion instructions
 class AVConv1I<bits<8> opcod1, bits<4> opcod2, bits<4> opcod3,
                dag oops, dag iops, string opc, string asm, list<dag> pattern>
@@ -1224,3 +1240,9 @@ class NVSetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
 class NVDup<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
             dag oops, dag iops, string opc, string asm, list<dag> pattern>
   : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NEONDupFrm, opc, asm, pattern>;
+
+// NEONFPPat - Same as Pat<>, but requires that the compiler be using NEON
+// for single-precision FP.
+class NEONFPPat<dag pattern, dag result> : Pat<pattern, result> {
+  list<Predicate> Predicates = [HasNEON,UseNEONForFP];
+}