[(callseq_end timm:$amt)]>;
}
-//===----------------------------------------------------------------------===//
-// DWARF debugging Pseudo Instructions
-//===----------------------------------------------------------------------===//
-
-def DWARF_LOC : Pseudo<(outs), (ins i32imm:$line, i32imm:$col, i32imm:$file),
- ".loc $file, $line, $col",
- [(dwarf_loc (i32 imm:$line), (i32 imm:$col), (i32 imm:$file))]>;
-
//===----------------------------------------------------------------------===//
// Loads:
// NB: The ordering is actually important, since the instruction selection
def fabs32: ANDInst<(outs R32FP:$rT), (ins R32FP:$rA, R32C:$rB),
[/* Intentionally does not match a pattern */]>;
- def fabs64: ANDInst<(outs R64FP:$rT), (ins R64FP:$rA, VECREG:$rB),
+ def fabs64: ANDInst<(outs R64FP:$rT), (ins R64FP:$rA, R64C:$rB),
[/* Intentionally does not match a pattern */]>;
- // Could use v4i32, but won't for clarity
def fabsvec: ANDInst<(outs VECREG:$rT), (ins VECREG:$rA, VECREG:$rB),
[/* Intentionally does not match a pattern */]>;
RRForm<0b10000011010, OOL, IOL, "andc\t$rT, $rA, $rB",
IntegerOp, pattern>;
-class ANDCVecInst<ValueType vectype>:
+class ANDCVecInst<ValueType vectype, PatFrag vnot_frag = vnot>:
ANDCInst<(outs VECREG:$rT), (ins VECREG:$rA, VECREG:$rB),
- [(set (vectype VECREG:$rT), (and (vectype VECREG:$rA),
- (vnot (vectype VECREG:$rB))))]>;
+ [(set (vectype VECREG:$rT),
+ (and (vectype VECREG:$rA),
+ (vnot_frag (vectype VECREG:$rB))))]>;
class ANDCRegInst<RegisterClass rclass>:
ANDCInst<(outs rclass:$rT), (ins rclass:$rA, rclass:$rB),
def r32: ANDCRegInst<R32C>;
def r16: ANDCRegInst<R16C>;
def r8: ANDCRegInst<R8C>;
+
+ // Sometimes, the xor pattern has a bitcast constant:
+ def v16i8_conv: ANDCVecInst<v16i8, vnot_conv>;
}
defm ANDC : AndComplement;
def r16: XORRegInst<R16C>;
def r8: XORRegInst<R8C>;
- // Special forms for floating point instructions.
- // fneg and fabs require bitwise logical ops to manipulate the sign bit.
+ // XOR instructions used to negate f32 and f64 quantities.
def fneg32: XORInst<(outs R32FP:$rT), (ins R32FP:$rA, R32C:$rB),
- [/* no pattern */]>;
+ [/* no pattern */]>;
- def fneg64: XORInst<(outs R64FP:$rT), (ins R64FP:$rA, VECREG:$rB),
- [/* no pattern */]>;
+ def fneg64: XORInst<(outs R64FP:$rT), (ins R64FP:$rA, R64C:$rB),
+ [/* no pattern */]>;
def fnegvec: XORInst<(outs VECREG:$rT), (ins VECREG:$rA, VECREG:$rB),
- [/* no pattern, see fneg{32,64} */]>;
+ [/* no pattern, see fneg{32,64} */]>;
}
defm XOR : BitwiseExclusiveOr;
(BRASL texternalsym:$func)>;
// Unconditional branches:
-let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, isBarrier = 1 in {
- def BR :
- UncondBranch<0b001001100, (outs), (ins brtarget:$dest),
- "br\t$dest",
- [(br bb:$dest)]>;
-
- // Unconditional, absolute address branch
- def BRA:
- UncondBranch<0b001100000, (outs), (ins brtarget:$dest),
- "bra\t$dest",
- [/* no pattern */]>;
+let isBranch = 1, isTerminator = 1, hasCtrlDep = 1 in {
+ let isBarrier = 1 in {
+ def BR :
+ UncondBranch<0b001001100, (outs), (ins brtarget:$dest),
+ "br\t$dest",
+ [(br bb:$dest)]>;
+
+ // Unconditional, absolute address branch
+ def BRA:
+ UncondBranch<0b001100000, (outs), (ins brtarget:$dest),
+ "bra\t$dest",
+ [/* no pattern */]>;
- // Indirect branch
- def BI:
- BIForm<0b00010101100, "bi\t$func", [(brind R32C:$func)]>;
+ // Indirect branch
+ def BI:
+ BIForm<0b00010101100, "bi\t$func", [(brind R32C:$func)]>;
+ }
// Conditional branches:
class BRNZInst<dag IOL, list<dag> pattern>:
(fsub (fmul (v2f64 VECREG:$rA), (v2f64 VECREG:$rB)),
(v2f64 VECREG:$rC)))]>;
-// FNMS: - (a * b - c)
+// DFNMS: - (a * b - c)
// - (a * b) + c => c - (a * b)
-def FNMSf64 :
- RRForm<0b01111010110, (outs R64FP:$rT),
- (ins R64FP:$rA, R64FP:$rB, R64FP:$rC),
- "dfnms\t$rT, $rA, $rB", DPrecFP,
- [(set R64FP:$rT, (fsub R64FP:$rC, (fmul R64FP:$rA, R64FP:$rB)))]>,
+
+class DFNMSInst<dag OOL, dag IOL, list<dag> pattern>:
+ RRForm<0b01111010110, OOL, IOL, "dfnms\t$rT, $rA, $rB",
+ DPrecFP, pattern>,
RegConstraint<"$rC = $rT">,
NoEncode<"$rC">;
-def : Pat<(fneg (fsub (fmul R64FP:$rA, R64FP:$rB), R64FP:$rC)),
- (FNMSf64 R64FP:$rA, R64FP:$rB, R64FP:$rC)>;
+class DFNMSVecInst<list<dag> pattern>:
+ DFNMSInst<(outs VECREG:$rT), (ins VECREG:$rA, VECREG:$rB, VECREG:$rC),
+ pattern>;
-def FNMSv2f64 :
- RRForm<0b01111010110, (outs VECREG:$rT),
- (ins VECREG:$rA, VECREG:$rB, VECREG:$rC),
- "dfnms\t$rT, $rA, $rB", DPrecFP,
- [(set (v2f64 VECREG:$rT),
- (fsub (v2f64 VECREG:$rC),
- (fmul (v2f64 VECREG:$rA),
- (v2f64 VECREG:$rB))))]>,
- RegConstraint<"$rC = $rT">,
- NoEncode<"$rC">;
+class DFNMSRegInst<list<dag> pattern>:
+ DFNMSInst<(outs R64FP:$rT), (ins R64FP:$rA, R64FP:$rB, R64FP:$rC),
+ pattern>;
+
+multiclass DFMultiplySubtract
+{
+ def v2f64 : DFNMSVecInst<[(set (v2f64 VECREG:$rT),
+ (fsub (v2f64 VECREG:$rC),
+ (fmul (v2f64 VECREG:$rA),
+ (v2f64 VECREG:$rB))))]>;
+
+ def f64 : DFNMSRegInst<[(set R64FP:$rT,
+ (fsub R64FP:$rC,
+ (fmul R64FP:$rA, R64FP:$rB)))]>;
+}
-def : Pat<(fneg (fsub (fmul (v2f64 VECREG:$rA), (v2f64 VECREG:$rB)),
- (v2f64 VECREG:$rC))),
- (FNMSv2f64 VECREG:$rA, VECREG:$rB, VECREG:$rC)>;
+defm DFNMS : DFMultiplySubtract;
// - (a * b + c)
// - (a * b) - c
def : Pat<(fneg R32FP:$rA),
(XORfneg32 R32FP:$rA, (ILHUr32 0x8000))>;
-def : Pat<(fneg (v2f64 VECREG:$rA)),
- (XORfnegvec (v2f64 VECREG:$rA),
- (v2f64 (ANDBIv16i8 (FSMBIv16i8 0x8080), 0x80)))>;
-
-def : Pat<(fneg R64FP:$rA),
- (XORfneg64 R64FP:$rA,
- (ANDBIv16i8 (FSMBIv16i8 0x8080), 0x80))>;
-
// Floating point absolute value
+// Note: f64 fabs is custom-selected.
def : Pat<(fabs R32FP:$rA),
(ANDfabs32 R32FP:$rA, (IOHLr32 (ILHUr32 0x7fff), 0xffff))>;
def : Pat<(fabs (v4f32 VECREG:$rA)),
(ANDfabsvec (v4f32 VECREG:$rA),
- (v4f32 (ANDBIv16i8 (FSMBIv16i8 0xffff), 0x7f)))>;
-
-def : Pat<(fabs R64FP:$rA),
- (ANDfabs64 R64FP:$rA, (ANDBIv16i8 (FSMBIv16i8 0xffff), 0x7f))>;
-
-def : Pat<(fabs (v2f64 VECREG:$rA)),
- (ANDfabsvec (v2f64 VECREG:$rA),
- (v2f64 (ANDBIv16i8 (FSMBIv16i8 0xffff), 0x7f)))>;
+ (IOHLv4i32 (ILHUv4i32 0x7fff), 0xffff))>;
//===----------------------------------------------------------------------===//
// Hint for branch instructions:
def : Pat<(i8 imm:$imm),
(ILHr8 imm:$imm)>;
-//===----------------------------------------------------------------------===//
-// Call instruction patterns:
-//===----------------------------------------------------------------------===//
-// Return void
-def : Pat<(ret),
- (RET)>;
-
//===----------------------------------------------------------------------===//
// Zero/Any/Sign extensions
//===----------------------------------------------------------------------===//
projects / oota-llvm.git / blobdiff