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Diffstat (limited to 'lib/Target/Hexagon/HexagonInstrFormats.td')
-rw-r--r--lib/Target/Hexagon/HexagonInstrFormats.td22
1 files changed, 15 insertions, 7 deletions
diff --git a/lib/Target/Hexagon/HexagonInstrFormats.td b/lib/Target/Hexagon/HexagonInstrFormats.td
index 105734349321..8373652c8f64 100644
--- a/lib/Target/Hexagon/HexagonInstrFormats.td
+++ b/lib/Target/Hexagon/HexagonInstrFormats.td
@@ -92,12 +92,18 @@ class InstHexagon<dag outs, dag ins, string asmstr, list<dag> pattern,
let AsmString = asmstr;
let Pattern = pattern;
let Constraints = cstr;
- let Itinerary = itin;
- let Size = 4;
-
- // *** Must match MCTargetDesc/HexagonBaseInfo.h ***
-
- // Instruction type according to the ISA.
+ let Itinerary = itin;
+ let Size = 4;
+
+ // SoftFail is a field the disassembler can use to provide a way for
+ // instructions to not match without killing the whole decode process. It is
+ // mainly used for ARM, but Tablegen expects this field to exist or it fails
+ // to build the decode table.
+ field bits<32> SoftFail = 0;
+
+ // *** Must match MCTargetDesc/HexagonBaseInfo.h ***
+
+ // Instruction type according to the ISA.
IType Type = type;
let TSFlags{4-0} = Type.Value;
@@ -180,12 +186,13 @@ class InstHexagon<dag outs, dag ins, string asmstr, list<dag> pattern,
string InputType = ""; // Input is "imm" or "reg" type.
string isMEMri = "false"; // Set to "true" for load/store with MEMri operand.
string isFloat = "false"; // Set to "true" for the floating-point load/store.
- string isBrTaken = ""; // Set to "true"/"false" for jump instructions
+ string isBrTaken = !if(isTaken, "true", "false"); // Set to "true"/"false" for jump instructions
let PredSense = !if(isPredicated, !if(isPredicatedFalse, "false", "true"),
"");
let PNewValue = !if(isPredicatedNew, "new", "");
let NValueST = !if(isNVStore, "true", "false");
+ let isCodeGenOnly = 1;
// *** Must match MCTargetDesc/HexagonBaseInfo.h ***
}
@@ -196,6 +203,7 @@ class InstHexagon<dag outs, dag ins, string asmstr, list<dag> pattern,
// LD Instruction Class in V2/V3/V4.
// Definition of the instruction class NOT CHANGED.
+let mayLoad = 1 in
class LDInst<dag outs, dag ins, string asmstr, list<dag> pattern = [],
string cstr = "", InstrItinClass itin = LD_tc_ld_SLOT01>
: InstHexagon<outs, ins, asmstr, pattern, cstr, itin, TypeLD>;