summaryrefslogtreecommitdiff
path: root/lib/Target/Mips/MipsInstrFPU.td
diff options
context:
space:
mode:
Diffstat (limited to 'lib/Target/Mips/MipsInstrFPU.td')
-rw-r--r--lib/Target/Mips/MipsInstrFPU.td17
1 files changed, 15 insertions, 2 deletions
diff --git a/lib/Target/Mips/MipsInstrFPU.td b/lib/Target/Mips/MipsInstrFPU.td
index a5961105e4..b29fa6e6da 100644
--- a/lib/Target/Mips/MipsInstrFPU.td
+++ b/lib/Target/Mips/MipsInstrFPU.td
@@ -153,6 +153,15 @@ class MTC1_FT<string opstr, RegisterOperand DstRC, RegisterOperand SrcRC,
InstSE<(outs DstRC:$fs), (ins SrcRC:$rt), !strconcat(opstr, "\t$rt, $fs"),
[(set DstRC:$fs, (OpNode SrcRC:$rt))], Itin, FrmFR, opstr>;
+class MTC1_64_FT<string opstr, RegisterOperand DstRC, RegisterOperand SrcRC,
+ InstrItinClass Itin> :
+ InstSE<(outs DstRC:$fs), (ins DstRC:$fs_in, SrcRC:$rt),
+ !strconcat(opstr, "\t$rt, $fs"), [], Itin, FrmFR, opstr> {
+ // $fs_in is part of a white lie to work around a widespread bug in the FPU
+ // implementation. See expandBuildPairF64 for details.
+ let Constraints = "$fs = $fs_in";
+}
+
class LW_FT<string opstr, RegisterOperand RC, InstrItinClass Itin,
SDPatternOperator OpNode= null_frag> :
InstSE<(outs RC:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
@@ -355,8 +364,12 @@ def MTC1 : MMRel, MTC1_FT<"mtc1", FGR32Opnd, GPR32Opnd, II_MTC1,
bitconvert>, MFC1_FM<4>;
def MFHC1 : MMRel, MFC1_FT<"mfhc1", GPR32Opnd, FGRH32Opnd, II_MFHC1>,
MFC1_FM<3>, ISA_MIPS32R2;
-def MTHC1 : MMRel, MTC1_FT<"mthc1", FGRH32Opnd, GPR32Opnd, II_MTHC1>,
- MFC1_FM<7>, ISA_MIPS32R2;
+def MTHC1_D32 : MMRel, MTC1_64_FT<"mthc1", FGR64Opnd, GPR32Opnd, II_MTHC1>,
+ MFC1_FM<7>, ISA_MIPS32R2, AdditionalRequires<[NotFP64bit]>;
+def MTHC1_D64 : MTC1_64_FT<"mthc1", AFGR64Opnd, GPR32Opnd, II_MTHC1>,
+ MFC1_FM<7>, ISA_MIPS32R2, AdditionalRequires<[IsFP64bit]> {
+ let DecoderNamespace = "Mips64";
+}
def DMFC1 : MFC1_FT<"dmfc1", GPR64Opnd, FGR64Opnd, II_DMFC1,
bitconvert>, MFC1_FM<1>, ISA_MIPS3;
def DMTC1 : MTC1_FT<"dmtc1", FGR64Opnd, GPR64Opnd, II_DMTC1,