// Only S32 and D32 are supported right now.
//===----------------------------------------------------------------------===//
+// FP load.
+class FPLoad<bits<6> op, string opstr, PatFrag FOp, RegisterClass RC,
+ Operand MemOpnd>:
+ FMem<op, (outs RC:$ft), (ins MemOpnd:$addr),
+ !strconcat(opstr, "\t$ft, $addr"), [(set RC:$ft, (FOp addr:$addr))],
+ IILoad>;
+
+// FP store.
+class FPStore<bits<6> op, string opstr, PatFrag FOp, RegisterClass RC,
+ Operand MemOpnd>:
+ FMem<op, (outs), (ins RC:$ft, MemOpnd:$addr),
+ !strconcat(opstr, "\t$ft, $addr"), [(store RC:$ft, addr:$addr)],
+ IIStore>;
+
// Instructions that convert an FP value to 32-bit fixed point.
multiclass FFR1_W_M<bits<6> funct, string opstr> {
def _S : FFR1<funct, 16, opstr, "w.s", FGR32, FGR32>;
def _D64 : FFR1<funct, 17, opstr, "l.d", FGR64, FGR64>;
}
-multiclass FFR1_2<bits<6> funct, string asmstr, SDNode FOp>
-{
- def _S32 : FFR1P<funct, 16, asmstr, "s", FGR32, FGR32, FOp>;
- def _D32 : FFR1P<funct, 17, asmstr, "d", AFGR64, AFGR64, FOp>,
- Requires<[NotFP64bit]>;
+// FP-to-FP conversion instructions.
+multiclass FFR1P_M<bits<6> funct, string opstr, SDNode OpNode> {
+ def _S : FFR1P<funct, 16, opstr, "s", FGR32, FGR32, OpNode>;
+ def _D32 : FFR1P<funct, 17, opstr, "d", AFGR64, AFGR64, OpNode>,
+ Requires<[NotFP64bit]>;
+ def _D64 : FFR1P<funct, 17, opstr, "d", FGR64, FGR64, OpNode>,
+ Requires<[IsFP64bit]>;
}
-multiclass FFR1_4<bits<6> funct, string asmstr, SDNode FOp, bit isComm = 0> {
+multiclass FFR2P_M<bits<6> funct, string opstr, SDNode OpNode, bit isComm = 0> {
let isCommutable = isComm in {
- def _S32 : FFR<0x11, funct, 0x0, (outs FGR32:$fd),
- (ins FGR32:$fs, FGR32:$ft),
- !strconcat(asmstr, ".s\t$fd, $fs, $ft"),
- [(set FGR32:$fd, (FOp FGR32:$fs, FGR32:$ft))]>;
-
- def _D32 : FFR<0x11, funct, 0x1, (outs AFGR64:$fd),
- (ins AFGR64:$fs, AFGR64:$ft),
- !strconcat(asmstr, ".d\t$fd, $fs, $ft"),
- [(set AFGR64:$fd, (FOp AFGR64:$fs, AFGR64:$ft))]>,
- Requires<[NotFP64bit]>;
+ def _S : FFR2P<funct, 16, opstr, "s", FGR32, OpNode>;
+ def _D32 : FFR2P<funct, 17, opstr, "d", AFGR64, OpNode>,
+ Requires<[NotFP64bit]>;
+ def _D64 : FFR2P<funct, 17, opstr, "d", FGR64, OpNode>,
+ Requires<[IsFP64bit]>;
}
}
def CVT_D64_L : FFR1<0x21, 21, "cvt", "d.l", FGR64, FGR64>;
}
-let ft = 0 in {
- defm FABS : FFR1_2<0b000101, "abs", fabs>;
- defm FNEG : FFR1_2<0b000111, "neg", fneg>;
- defm FSQRT : FFR1_2<0b000100, "sqrt", fsqrt>;
-}
+defm FABS : FFR1P_M<0x5, "abs", fabs>;
+defm FNEG : FFR1P_M<0x7, "neg", fneg>;
+defm FSQRT : FFR1P_M<0x4, "sqrt", fsqrt>;
// The odd-numbered registers are only referenced when doing loads,
// stores, and moves between floating-point and integer registers.
// When defining instructions, we reference all 32-bit registers,
// regardless of register aliasing.
-let fd = 0 in {
- /// Move Control Registers From/To CPU Registers
- def CFC1 : FFR<0x11, 0x0, 0x2, (outs CPURegs:$rt), (ins CCR:$fs),
+
+class FFRGPR<bits<5> _fmt, dag outs, dag ins, string asmstr, list<dag> pattern>:
+ FFR<0x11, 0x0, _fmt, outs, ins, asmstr, pattern> {
+ bits<5> rt;
+ let ft = rt;
+ let fd = 0;
+}
+
+/// Move Control Registers From/To CPU Registers
+def CFC1 : FFRGPR<0x2, (outs CPURegs:$rt), (ins CCR:$fs),
"cfc1\t$rt, $fs", []>;
- def CTC1 : FFR<0x11, 0x0, 0x6, (outs CCR:$rt), (ins CPURegs:$fs),
- "ctc1\t$fs, $rt", []>;
+def CTC1 : FFRGPR<0x6, (outs CCR:$fs), (ins CPURegs:$rt),
+ "ctc1\t$rt, $fs", []>;
- def MFC1 : FFR<0x11, 0x00, 0x00, (outs CPURegs:$rt), (ins FGR32:$fs),
+def MFC1 : FFRGPR<0x00, (outs CPURegs:$rt), (ins FGR32:$fs),
"mfc1\t$rt, $fs",
[(set CPURegs:$rt, (bitconvert FGR32:$fs))]>;
- def MTC1 : FFR<0x11, 0x00, 0x04, (outs FGR32:$fs), (ins CPURegs:$rt),
+def MTC1 : FFRGPR<0x04, (outs FGR32:$fs), (ins CPURegs:$rt),
"mtc1\t$rt, $fs",
[(set FGR32:$fs, (bitconvert CPURegs:$rt))]>;
-}
-def FMOV_S32 : FFR<0x11, 0b000110, 0x0, (outs FGR32:$fd), (ins FGR32:$fs),
- "mov.s\t$fd, $fs", []>;
-def FMOV_D32 : FFR<0x11, 0b000110, 0x1, (outs AFGR64:$fd), (ins AFGR64:$fs),
- "mov.d\t$fd, $fs", []>;
+def DMFC1 : FFRGPR<0x01, (outs CPU64Regs:$rt), (ins FGR64:$fs),
+ "dmfc1\t$rt, $fs",
+ [(set CPU64Regs:$rt, (bitconvert FGR64:$fs))]>;
-/// Floating Point Memory Instructions
-let Predicates = [IsNotSingleFloat] in {
- def LDC1 : FFI<0b110101, (outs AFGR64:$ft), (ins mem:$addr),
- "ldc1\t$ft, $addr", [(set AFGR64:$ft, (load addr:$addr))]>;
+def DMTC1 : FFRGPR<0x05, (outs FGR64:$fs), (ins CPU64Regs:$rt),
+ "dmtc1\t$rt, $fs",
+ [(set FGR64:$fs, (bitconvert CPU64Regs:$rt))]>;
+
+def FMOV_S : FFR1<0x6, 16, "mov", "s", FGR32, FGR32>;
+def FMOV_D32 : FFR1<0x6, 17, "mov", "d", AFGR64, AFGR64>,
+ Requires<[NotFP64bit]>;
+def FMOV_D64 : FFR1<0x6, 17, "mov", "d", FGR64, FGR64>,
+ Requires<[IsFP64bit]>;
- def SDC1 : FFI<0b111101, (outs), (ins AFGR64:$ft, mem:$addr),
- "sdc1\t$ft, $addr", [(store AFGR64:$ft, addr:$addr)]>;
+/// Floating Point Memory Instructions
+let Predicates = [IsN64] in {
+ def LWC1_P8 : FPLoad<0x31, "lwc1", load, FGR32, mem64>;
+ def SWC1_P8 : FPStore<0x39, "swc1", store, FGR32, mem64>;
+ def LDC164_P8 : FPLoad<0x35, "ldc1", load, FGR64, mem64>;
+ def SDC164_P8 : FPStore<0x3d, "sdc1", store, FGR64, mem64>;
}
-// LWC1 and SWC1 can always be emitted with odd registers.
-def LWC1 : FFI<0b110001, (outs FGR32:$ft), (ins mem:$addr), "lwc1\t$ft, $addr",
- [(set FGR32:$ft, (load addr:$addr))]>;
-def SWC1 : FFI<0b111001, (outs), (ins FGR32:$ft, mem:$addr),
- "swc1\t$ft, $addr", [(store FGR32:$ft, addr:$addr)]>;
+let Predicates = [NotN64] in {
+ def LWC1 : FPLoad<0x31, "lwc1", load, FGR32, mem>;
+ def SWC1 : FPStore<0x39, "swc1", store, FGR32, mem>;
+ let Predicates = [HasMips64] in {
+ def LDC164 : FPLoad<0x35, "ldc1", load, FGR64, mem>;
+ def SDC164 : FPStore<0x3d, "sdc1", store, FGR64, mem>;
+ }
+ let Predicates = [NotMips64] in {
+ def LDC1 : FPLoad<0x35, "ldc1", load, AFGR64, mem>;
+ def SDC1 : FPStore<0x3d, "sdc1", store, AFGR64, mem>;
+ }
+}
/// Floating-point Aritmetic
-defm FADD : FFR1_4<0x10, "add", fadd, 1>;
-defm FDIV : FFR1_4<0x03, "div", fdiv>;
-defm FMUL : FFR1_4<0x02, "mul", fmul, 1>;
-defm FSUB : FFR1_4<0x01, "sub", fsub>;
+defm FADD : FFR2P_M<0x00, "add", fadd, 1>;
+defm FDIV : FFR2P_M<0x03, "div", fdiv>;
+defm FMUL : FFR2P_M<0x02, "mul", fmul, 1>;
+defm FSUB : FFR2P_M<0x01, "sub", fsub>;
//===----------------------------------------------------------------------===//
// Floating Point Branch Codes
/// Floating Point Branch of False/True (Likely)
let isBranch=1, isTerminator=1, hasDelaySlot=1, base=0x8, Uses=[FCR31] in
- class FBRANCH<PatLeaf op, string asmstr> : FFI<0x11, (outs),
- (ins brtarget:$dst), !strconcat(asmstr, "\t$dst"),
- [(MipsFPBrcond op, bb:$dst)]>;
+ class FBRANCH<bits<1> nd, bits<1> tf, PatLeaf op, string asmstr> :
+ FFI<0x11, (outs), (ins brtarget:$dst), !strconcat(asmstr, "\t$dst"),
+ [(MipsFPBrcond op, bb:$dst)]> {
+ let Inst{20-18} = 0;
+ let Inst{17} = nd;
+ let Inst{16} = tf;
+}
-def BC1F : FBRANCH<MIPS_BRANCH_F, "bc1f">;
-def BC1T : FBRANCH<MIPS_BRANCH_T, "bc1t">;
+def BC1F : FBRANCH<0, 0, MIPS_BRANCH_F, "bc1f">;
+def BC1T : FBRANCH<0, 1, MIPS_BRANCH_T, "bc1t">;
//===----------------------------------------------------------------------===//
// Floating Point Flag Conditions
def MIPS_FCOND_LE : PatLeaf<(i32 14)>;
def MIPS_FCOND_NGT : PatLeaf<(i32 15)>;
+class FCMP<bits<5> fmt, RegisterClass RC, string typestr> :
+ FCC<fmt, (outs), (ins RC:$fs, RC:$ft, condcode:$cc),
+ !strconcat("c.$cc.", typestr, "\t$fs, $ft"),
+ [(MipsFPCmp RC:$fs, RC:$ft, imm:$cc)]>;
+
/// Floating Point Compare
let Defs=[FCR31] in {
- def FCMP_S32 : FCC<0x0, (outs), (ins FGR32:$fs, FGR32:$ft, condcode:$cc),
- "c.$cc.s\t$fs, $ft",
- [(MipsFPCmp FGR32:$fs, FGR32:$ft, imm:$cc)]>;
-
- def FCMP_D32 : FCC<0x1, (outs), (ins AFGR64:$fs, AFGR64:$ft, condcode:$cc),
- "c.$cc.d\t$fs, $ft",
- [(MipsFPCmp AFGR64:$fs, AFGR64:$ft, imm:$cc)]>,
- Requires<[NotFP64bit]>;
-}
-
-
-// Conditional moves:
-// These instructions are expanded in
-// MipsISelLowering::EmitInstrWithCustomInserter if target does not have
-// conditional move instructions.
-// flag:int, data:float
-let usesCustomInserter = 1, Constraints = "$F = $dst" in
-class CondMovIntFP<RegisterClass RC, bits<5> fmt, bits<6> func,
- string instr_asm> :
- FFR<0x11, func, fmt, (outs RC:$dst), (ins RC:$T, CPURegs:$cond, RC:$F),
- !strconcat(instr_asm, "\t$dst, $T, $cond"), []>;
-
-def MOVZ_S : CondMovIntFP<FGR32, 16, 18, "movz.s">;
-def MOVN_S : CondMovIntFP<FGR32, 16, 19, "movn.s">;
-
-let Predicates = [NotFP64bit] in {
- def MOVZ_D : CondMovIntFP<AFGR64, 17, 18, "movz.d">;
- def MOVN_D : CondMovIntFP<AFGR64, 17, 19, "movn.d">;
-}
-
-defm : MovzPats<FGR32, MOVZ_S>;
-defm : MovnPats<FGR32, MOVN_S>;
-
-let Predicates = [NotFP64bit] in {
- defm : MovzPats<AFGR64, MOVZ_D>;
- defm : MovnPats<AFGR64, MOVN_D>;
-}
-
-let usesCustomInserter = 1, Uses = [FCR31], Constraints = "$F = $dst" in {
-// flag:float, data:int
-class CondMovFPInt<SDNode cmov, bits<1> tf, string instr_asm> :
- FCMOV<tf, (outs CPURegs:$dst), (ins CPURegs:$T, CPURegs:$F),
- !strconcat(instr_asm, "\t$dst, $T, $$fcc0"),
- [(set CPURegs:$dst, (cmov CPURegs:$T, CPURegs:$F))]>;
-
-// flag:float, data:float
-class CondMovFPFP<RegisterClass RC, SDNode cmov, bits<5> fmt, bits<1> tf,
- string instr_asm> :
- FFCMOV<fmt, tf, (outs RC:$dst), (ins RC:$T, RC:$F),
- !strconcat(instr_asm, "\t$dst, $T, $$fcc0"),
- [(set RC:$dst, (cmov RC:$T, RC:$F))]>;
-}
-
-def MOVT : CondMovFPInt<MipsCMovFP_T, 1, "movt">;
-def MOVF : CondMovFPInt<MipsCMovFP_F, 0, "movf">;
-def MOVT_S : CondMovFPFP<FGR32, MipsCMovFP_T, 16, 1, "movt.s">;
-def MOVF_S : CondMovFPFP<FGR32, MipsCMovFP_F, 16, 0, "movf.s">;
-
-let Predicates = [NotFP64bit] in {
- def MOVT_D : CondMovFPFP<AFGR64, MipsCMovFP_T, 17, 1, "movt.d">;
- def MOVF_D : CondMovFPFP<AFGR64, MipsCMovFP_F, 17, 0, "movf.d">;
+ def FCMP_S32 : FCMP<0x10, FGR32, "s">;
+ def FCMP_D32 : FCMP<0x11, AFGR64, "d">, Requires<[NotFP64bit]>;
+ def FCMP_D64 : FCMP<0x11, FGR64, "d">, Requires<[IsFP64bit]>;
}
//===----------------------------------------------------------------------===//
}]>;
def : Pat<(f32 fpimm0), (MTC1 ZERO)>;
-def : Pat<(f32 fpimm0neg), (FNEG_S32 (MTC1 ZERO))>;
+def : Pat<(f32 fpimm0neg), (FNEG_S (MTC1 ZERO))>;
def : Pat<(f32 (sint_to_fp CPURegs:$src)), (CVT_S_W (MTC1 CPURegs:$src))>;
-def : Pat<(f64 (sint_to_fp CPURegs:$src)), (CVT_D32_W (MTC1 CPURegs:$src))>;
-
def : Pat<(i32 (fp_to_sint FGR32:$src)), (MFC1 (TRUNC_W_S FGR32:$src))>;
-def : Pat<(i32 (fp_to_sint AFGR64:$src)), (MFC1 (TRUNC_W_D32 AFGR64:$src))>;
let Predicates = [NotFP64bit] in {
+ def : Pat<(f64 (sint_to_fp CPURegs:$src)), (CVT_D32_W (MTC1 CPURegs:$src))>;
+ def : Pat<(i32 (fp_to_sint AFGR64:$src)), (MFC1 (TRUNC_W_D32 AFGR64:$src))>;
def : Pat<(f32 (fround AFGR64:$src)), (CVT_S_D32 AFGR64:$src)>;
def : Pat<(f64 (fextend FGR32:$src)), (CVT_D32_S FGR32:$src)>;
}
+let Predicates = [IsFP64bit] in {
+ def : Pat<(f64 fpimm0), (DMTC1 ZERO_64)>;
+ def : Pat<(f64 fpimm0neg), (FNEG_D64 (DMTC1 ZERO_64))>;
+
+ def : Pat<(f64 (sint_to_fp CPURegs:$src)), (CVT_D64_W (MTC1 CPURegs:$src))>;
+ def : Pat<(f32 (sint_to_fp CPU64Regs:$src)),
+ (CVT_S_L (DMTC1 CPU64Regs:$src))>;
+ def : Pat<(f64 (sint_to_fp CPU64Regs:$src)),
+ (CVT_D64_L (DMTC1 CPU64Regs:$src))>;
+
+ def : Pat<(i32 (fp_to_sint FGR64:$src)), (MFC1 (TRUNC_W_D64 FGR64:$src))>;
+ def : Pat<(i64 (fp_to_sint FGR32:$src)), (DMFC1 (TRUNC_L_S FGR32:$src))>;
+ def : Pat<(i64 (fp_to_sint FGR64:$src)), (DMFC1 (TRUNC_L_D64 FGR64:$src))>;
+
+ def : Pat<(f32 (fround FGR64:$src)), (CVT_S_D64 FGR64:$src)>;
+ def : Pat<(f64 (fextend FGR32:$src)), (CVT_D64_S FGR32:$src)>;
+}
\ No newline at end of file
projects / oota-llvm.git / blobdiff