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Diffstat (limited to 'lib/Target/X86/X86InstrFPStack.td')
-rw-r--r--lib/Target/X86/X86InstrFPStack.td185
1 files changed, 112 insertions, 73 deletions
diff --git a/lib/Target/X86/X86InstrFPStack.td b/lib/Target/X86/X86InstrFPStack.td
index a13887e932b2..568726e08ece 100644
--- a/lib/Target/X86/X86InstrFPStack.td
+++ b/lib/Target/X86/X86InstrFPStack.td
@@ -27,6 +27,7 @@ def SDTX86Fst : SDTypeProfile<0, 3, [SDTCisFP<0>,
SDTCisVT<2, OtherVT>]>;
def SDTX86Fild : SDTypeProfile<1, 2, [SDTCisFP<0>, SDTCisPtrTy<1>,
SDTCisVT<2, OtherVT>]>;
+def SDTX86Fnstsw : SDTypeProfile<1, 1, [SDTCisVT<0, i16>, SDTCisVT<1, i16>]>;
def SDTX86FpToIMem : SDTypeProfile<0, 2, [SDTCisFP<0>, SDTCisPtrTy<1>]>;
def SDTX86CwdStore : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
@@ -41,6 +42,7 @@ def X86fild : SDNode<"X86ISD::FILD", SDTX86Fild,
def X86fildflag : SDNode<"X86ISD::FILD_FLAG", SDTX86Fild,
[SDNPHasChain, SDNPOutGlue, SDNPMayLoad,
SDNPMemOperand]>;
+def X86fp_stsw : SDNode<"X86ISD::FNSTSW16r", SDTX86Fnstsw>;
def X86fp_to_i16mem : SDNode<"X86ISD::FP_TO_INT16_IN_MEM", SDTX86FpToIMem,
[SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
def X86fp_to_i32mem : SDNode<"X86ISD::FP_TO_INT32_IN_MEM", SDTX86FpToIMem,
@@ -203,6 +205,7 @@ def _FI32m : FPI<0xDA, fp, (outs), (ins i32mem:$src),
}
}
+let Defs = [FPSW] in {
defm ADD : FPBinary_rr<fadd>;
defm SUB : FPBinary_rr<fsub>;
defm MUL : FPBinary_rr<fmul>;
@@ -213,6 +216,7 @@ defm SUBR: FPBinary<fsub ,MRM5m, "subr">;
defm MUL : FPBinary<fmul, MRM1m, "mul">;
defm DIV : FPBinary<fdiv, MRM6m, "div">;
defm DIVR: FPBinary<fdiv, MRM7m, "divr">;
+}
class FPST0rInst<bits<8> o, string asm>
: FPI<o, AddRegFrm, (outs), (ins RST:$op), asm>, D8;
@@ -257,6 +261,7 @@ def _Fp80 : FpI_<(outs RFP80:$dst), (ins RFP80:$src), OneArgFPRW,
def _F : FPI<opcode, RawFrm, (outs), (ins), asmstring>, D9;
}
+let Defs = [FPSW] in {
defm CHS : FPUnary<fneg, 0xE0, "fchs">;
defm ABS : FPUnary<fabs, 0xE1, "fabs">;
defm SQRT: FPUnary<fsqrt,0xFA, "fsqrt">;
@@ -269,6 +274,7 @@ def TST_Fp64 : FpIf64<(outs), (ins RFP64:$src), OneArgFP, []>;
def TST_Fp80 : FpI_<(outs), (ins RFP80:$src), OneArgFP, []>;
}
def TST_F : FPI<0xE4, RawFrm, (outs), (ins), "ftst">, D9;
+} // Defs = [FPSW]
// Versions of FP instructions that take a single memory operand. Added for the
// disassembler; remove as they are included with patterns elsewhere.
@@ -316,6 +322,7 @@ multiclass FPCMov<PatLeaf cc> {
Requires<[HasCMov]>;
}
+let Defs = [FPSW] in {
let Uses = [EFLAGS], Constraints = "$src1 = $dst" in {
defm CMOVB : FPCMov<X86_COND_B>;
defm CMOVBE : FPCMov<X86_COND_BE>;
@@ -416,24 +423,40 @@ def IST_Fp64m80 : FpI_<(outs), (ins i64mem:$op, RFP80:$src), OneArgFP, []>;
}
let mayLoad = 1 in {
-def LD_F32m : FPI<0xD9, MRM0m, (outs), (ins f32mem:$src), "fld{s}\t$src">;
-def LD_F64m : FPI<0xDD, MRM0m, (outs), (ins f64mem:$src), "fld{l}\t$src">;
-def LD_F80m : FPI<0xDB, MRM5m, (outs), (ins f80mem:$src), "fld{t}\t$src">;
-def ILD_F16m : FPI<0xDF, MRM0m, (outs), (ins i16mem:$src), "fild{s}\t$src">;
-def ILD_F32m : FPI<0xDB, MRM0m, (outs), (ins i32mem:$src), "fild{l}\t$src">;
-def ILD_F64m : FPI<0xDF, MRM5m, (outs), (ins i64mem:$src), "fild{ll}\t$src">;
+def LD_F32m : FPI<0xD9, MRM0m, (outs), (ins f32mem:$src), "fld{s}\t$src",
+ IIC_FLD>;
+def LD_F64m : FPI<0xDD, MRM0m, (outs), (ins f64mem:$src), "fld{l}\t$src",
+ IIC_FLD>;
+def LD_F80m : FPI<0xDB, MRM5m, (outs), (ins f80mem:$src), "fld{t}\t$src",
+ IIC_FLD80>;
+def ILD_F16m : FPI<0xDF, MRM0m, (outs), (ins i16mem:$src), "fild{s}\t$src",
+ IIC_FILD>;
+def ILD_F32m : FPI<0xDB, MRM0m, (outs), (ins i32mem:$src), "fild{l}\t$src",
+ IIC_FILD>;
+def ILD_F64m : FPI<0xDF, MRM5m, (outs), (ins i64mem:$src), "fild{ll}\t$src",
+ IIC_FILD>;
}
let mayStore = 1 in {
-def ST_F32m : FPI<0xD9, MRM2m, (outs), (ins f32mem:$dst), "fst{s}\t$dst">;
-def ST_F64m : FPI<0xDD, MRM2m, (outs), (ins f64mem:$dst), "fst{l}\t$dst">;
-def ST_FP32m : FPI<0xD9, MRM3m, (outs), (ins f32mem:$dst), "fstp{s}\t$dst">;
-def ST_FP64m : FPI<0xDD, MRM3m, (outs), (ins f64mem:$dst), "fstp{l}\t$dst">;
-def ST_FP80m : FPI<0xDB, MRM7m, (outs), (ins f80mem:$dst), "fstp{t}\t$dst">;
-def IST_F16m : FPI<0xDF, MRM2m, (outs), (ins i16mem:$dst), "fist{s}\t$dst">;
-def IST_F32m : FPI<0xDB, MRM2m, (outs), (ins i32mem:$dst), "fist{l}\t$dst">;
-def IST_FP16m : FPI<0xDF, MRM3m, (outs), (ins i16mem:$dst), "fistp{s}\t$dst">;
-def IST_FP32m : FPI<0xDB, MRM3m, (outs), (ins i32mem:$dst), "fistp{l}\t$dst">;
-def IST_FP64m : FPI<0xDF, MRM7m, (outs), (ins i64mem:$dst), "fistp{ll}\t$dst">;
+def ST_F32m : FPI<0xD9, MRM2m, (outs), (ins f32mem:$dst), "fst{s}\t$dst",
+ IIC_FST>;
+def ST_F64m : FPI<0xDD, MRM2m, (outs), (ins f64mem:$dst), "fst{l}\t$dst",
+ IIC_FST>;
+def ST_FP32m : FPI<0xD9, MRM3m, (outs), (ins f32mem:$dst), "fstp{s}\t$dst",
+ IIC_FST>;
+def ST_FP64m : FPI<0xDD, MRM3m, (outs), (ins f64mem:$dst), "fstp{l}\t$dst",
+ IIC_FST>;
+def ST_FP80m : FPI<0xDB, MRM7m, (outs), (ins f80mem:$dst), "fstp{t}\t$dst",
+ IIC_FST80>;
+def IST_F16m : FPI<0xDF, MRM2m, (outs), (ins i16mem:$dst), "fist{s}\t$dst",
+ IIC_FIST>;
+def IST_F32m : FPI<0xDB, MRM2m, (outs), (ins i32mem:$dst), "fist{l}\t$dst",
+ IIC_FIST>;
+def IST_FP16m : FPI<0xDF, MRM3m, (outs), (ins i16mem:$dst), "fistp{s}\t$dst",
+ IIC_FIST>;
+def IST_FP32m : FPI<0xDB, MRM3m, (outs), (ins i32mem:$dst), "fistp{l}\t$dst",
+ IIC_FIST>;
+def IST_FP64m : FPI<0xDF, MRM7m, (outs), (ins i64mem:$dst), "fistp{ll}\t$dst",
+ IIC_FIST>;
}
// FISTTP requires SSE3 even though it's a FPStack op.
@@ -459,17 +482,23 @@ def ISTT_Fp64m80 : FpI_<(outs), (ins i64mem:$op, RFP80:$src), OneArgFP,
} // Predicates = [HasSSE3]
let mayStore = 1 in {
-def ISTT_FP16m : FPI<0xDF, MRM1m, (outs), (ins i16mem:$dst), "fisttp{s}\t$dst">;
-def ISTT_FP32m : FPI<0xDB, MRM1m, (outs), (ins i32mem:$dst), "fisttp{l}\t$dst">;
+def ISTT_FP16m : FPI<0xDF, MRM1m, (outs), (ins i16mem:$dst), "fisttp{s}\t$dst",
+ IIC_FST>;
+def ISTT_FP32m : FPI<0xDB, MRM1m, (outs), (ins i32mem:$dst), "fisttp{l}\t$dst",
+ IIC_FST>;
def ISTT_FP64m : FPI<0xDD, MRM1m, (outs), (ins i64mem:$dst),
- "fisttp{ll}\t$dst">;
+ "fisttp{ll}\t$dst", IIC_FST>;
}
// FP Stack manipulation instructions.
-def LD_Frr : FPI<0xC0, AddRegFrm, (outs), (ins RST:$op), "fld\t$op">, D9;
-def ST_Frr : FPI<0xD0, AddRegFrm, (outs), (ins RST:$op), "fst\t$op">, DD;
-def ST_FPrr : FPI<0xD8, AddRegFrm, (outs), (ins RST:$op), "fstp\t$op">, DD;
-def XCH_F : FPI<0xC8, AddRegFrm, (outs), (ins RST:$op), "fxch\t$op">, D9;
+def LD_Frr : FPI<0xC0, AddRegFrm, (outs), (ins RST:$op), "fld\t$op",
+ IIC_FLD>, D9;
+def ST_Frr : FPI<0xD0, AddRegFrm, (outs), (ins RST:$op), "fst\t$op",
+ IIC_FST>, DD;
+def ST_FPrr : FPI<0xD8, AddRegFrm, (outs), (ins RST:$op), "fstp\t$op",
+ IIC_FST>, DD;
+def XCH_F : FPI<0xC8, AddRegFrm, (outs), (ins RST:$op), "fxch\t$op",
+ IIC_FXCH>, D9;
// Floating point constant loads.
let isReMaterializable = 1 in {
@@ -487,20 +516,21 @@ def LD_Fp180 : FpI_<(outs RFP80:$dst), (ins), ZeroArgFP,
[(set RFP80:$dst, fpimm1)]>;
}
-def LD_F0 : FPI<0xEE, RawFrm, (outs), (ins), "fldz">, D9;
-def LD_F1 : FPI<0xE8, RawFrm, (outs), (ins), "fld1">, D9;
+def LD_F0 : FPI<0xEE, RawFrm, (outs), (ins), "fldz", IIC_FLDZ>, D9;
+def LD_F1 : FPI<0xE8, RawFrm, (outs), (ins), "fld1", IIC_FIST>, D9;
// Floating point compares.
-let Defs = [EFLAGS] in {
def UCOM_Fpr32 : FpIf32<(outs), (ins RFP32:$lhs, RFP32:$rhs), CompareFP,
- []>; // FPSW = cmp ST(0) with ST(i)
+ [(set FPSW, (trunc (X86cmp RFP32:$lhs, RFP32:$rhs)))]>;
def UCOM_Fpr64 : FpIf64<(outs), (ins RFP64:$lhs, RFP64:$rhs), CompareFP,
- []>; // FPSW = cmp ST(0) with ST(i)
+ [(set FPSW, (trunc (X86cmp RFP64:$lhs, RFP64:$rhs)))]>;
def UCOM_Fpr80 : FpI_ <(outs), (ins RFP80:$lhs, RFP80:$rhs), CompareFP,
- []>; // FPSW = cmp ST(0) with ST(i)
-
+ [(set FPSW, (trunc (X86cmp RFP80:$lhs, RFP80:$rhs)))]>;
+} // Defs = [FPSW]
+
// CC = ST(0) cmp ST(i)
+let Defs = [EFLAGS, FPSW] in {
def UCOM_FpIr32: FpIf32<(outs), (ins RFP32:$lhs, RFP32:$rhs), CompareFP,
[(set EFLAGS, (X86cmp RFP32:$lhs, RFP32:$rhs))]>;
def UCOM_FpIr64: FpIf64<(outs), (ins RFP64:$lhs, RFP64:$rhs), CompareFP,
@@ -509,85 +539,94 @@ def UCOM_FpIr80: FpI_<(outs), (ins RFP80:$lhs, RFP80:$rhs), CompareFP,
[(set EFLAGS, (X86cmp RFP80:$lhs, RFP80:$rhs))]>;
}
-let Defs = [EFLAGS], Uses = [ST0] in {
+let Defs = [FPSW], Uses = [ST0] in {
def UCOM_Fr : FPI<0xE0, AddRegFrm, // FPSW = cmp ST(0) with ST(i)
(outs), (ins RST:$reg),
- "fucom\t$reg">, DD;
+ "fucom\t$reg", IIC_FUCOM>, DD;
def UCOM_FPr : FPI<0xE8, AddRegFrm, // FPSW = cmp ST(0) with ST(i), pop
(outs), (ins RST:$reg),
- "fucomp\t$reg">, DD;
+ "fucomp\t$reg", IIC_FUCOM>, DD;
def UCOM_FPPr : FPI<0xE9, RawFrm, // cmp ST(0) with ST(1), pop, pop
(outs), (ins),
- "fucompp">, DA;
+ "fucompp", IIC_FUCOM>, DA;
+}
+let Defs = [EFLAGS, FPSW], Uses = [ST0] in {
def UCOM_FIr : FPI<0xE8, AddRegFrm, // CC = cmp ST(0) with ST(i)
(outs), (ins RST:$reg),
- "fucomi\t$reg">, DB;
+ "fucomi\t$reg", IIC_FUCOMI>, DB;
def UCOM_FIPr : FPI<0xE8, AddRegFrm, // CC = cmp ST(0) with ST(i), pop
(outs), (ins RST:$reg),
- "fucompi\t$reg">, DF;
+ "fucompi\t$reg", IIC_FUCOMI>, DF;
}
+let Defs = [EFLAGS, FPSW] in {
def COM_FIr : FPI<0xF0, AddRegFrm, (outs), (ins RST:$reg),
- "fcomi\t$reg">, DB;
+ "fcomi\t$reg", IIC_FCOMI>, DB;
def COM_FIPr : FPI<0xF0, AddRegFrm, (outs), (ins RST:$reg),
- "fcompi\t$reg">, DF;
+ "fcompi\t$reg", IIC_FCOMI>, DF;
+}
// Floating point flag ops.
-let Defs = [AX] in
-def FNSTSW8r : I<0xE0, RawFrm, // AX = fp flags
- (outs), (ins), "fnstsw %ax", []>, DF;
+let Defs = [AX], Uses = [FPSW] in
+def FNSTSW16r : I<0xE0, RawFrm, // AX = fp flags
+ (outs), (ins), "fnstsw %ax",
+ [(set AX, (X86fp_stsw FPSW))], IIC_FNSTSW>, DF;
def FNSTCW16m : I<0xD9, MRM7m, // [mem16] = X87 control world
(outs), (ins i16mem:$dst), "fnstcw\t$dst",
- [(X86fp_cwd_get16 addr:$dst)]>;
+ [(X86fp_cwd_get16 addr:$dst)], IIC_FNSTCW>;
let mayLoad = 1 in
def FLDCW16m : I<0xD9, MRM5m, // X87 control world = [mem16]
- (outs), (ins i16mem:$dst), "fldcw\t$dst", []>;
+ (outs), (ins i16mem:$dst), "fldcw\t$dst", [], IIC_FLDCW>;
// FPU control instructions
-def FNINIT : I<0xE3, RawFrm, (outs), (ins), "fninit", []>, DB;
+let Defs = [FPSW] in
+def FNINIT : I<0xE3, RawFrm, (outs), (ins), "fninit", [], IIC_FNINIT>, DB;
def FFREE : FPI<0xC0, AddRegFrm, (outs), (ins RST:$reg),
- "ffree\t$reg">, DD;
+ "ffree\t$reg", IIC_FFREE>, DD;
// Clear exceptions
-def FNCLEX : I<0xE2, RawFrm, (outs), (ins), "fnclex", []>, DB;
+let Defs = [FPSW] in
+def FNCLEX : I<0xE2, RawFrm, (outs), (ins), "fnclex", [], IIC_FNCLEX>, DB;
// Operandless floating-point instructions for the disassembler.
-def WAIT : I<0x9B, RawFrm, (outs), (ins), "wait", []>;
-
-def FNOP : I<0xD0, RawFrm, (outs), (ins), "fnop", []>, D9;
-def FXAM : I<0xE5, RawFrm, (outs), (ins), "fxam", []>, D9;
-def FLDL2T : I<0xE9, RawFrm, (outs), (ins), "fldl2t", []>, D9;
-def FLDL2E : I<0xEA, RawFrm, (outs), (ins), "fldl2e", []>, D9;
-def FLDPI : I<0xEB, RawFrm, (outs), (ins), "fldpi", []>, D9;
-def FLDLG2 : I<0xEC, RawFrm, (outs), (ins), "fldlg2", []>, D9;
-def FLDLN2 : I<0xED, RawFrm, (outs), (ins), "fldln2", []>, D9;
-def F2XM1 : I<0xF0, RawFrm, (outs), (ins), "f2xm1", []>, D9;
-def FYL2X : I<0xF1, RawFrm, (outs), (ins), "fyl2x", []>, D9;
-def FPTAN : I<0xF2, RawFrm, (outs), (ins), "fptan", []>, D9;
-def FPATAN : I<0xF3, RawFrm, (outs), (ins), "fpatan", []>, D9;
-def FXTRACT : I<0xF4, RawFrm, (outs), (ins), "fxtract", []>, D9;
-def FPREM1 : I<0xF5, RawFrm, (outs), (ins), "fprem1", []>, D9;
-def FDECSTP : I<0xF6, RawFrm, (outs), (ins), "fdecstp", []>, D9;
-def FINCSTP : I<0xF7, RawFrm, (outs), (ins), "fincstp", []>, D9;
-def FPREM : I<0xF8, RawFrm, (outs), (ins), "fprem", []>, D9;
-def FYL2XP1 : I<0xF9, RawFrm, (outs), (ins), "fyl2xp1", []>, D9;
-def FSINCOS : I<0xFB, RawFrm, (outs), (ins), "fsincos", []>, D9;
-def FRNDINT : I<0xFC, RawFrm, (outs), (ins), "frndint", []>, D9;
-def FSCALE : I<0xFD, RawFrm, (outs), (ins), "fscale", []>, D9;
-def FCOMPP : I<0xD9, RawFrm, (outs), (ins), "fcompp", []>, DE;
+def WAIT : I<0x9B, RawFrm, (outs), (ins), "wait", [], IIC_WAIT>;
+
+def FNOP : I<0xD0, RawFrm, (outs), (ins), "fnop", [], IIC_FNOP>, D9;
+def FXAM : I<0xE5, RawFrm, (outs), (ins), "fxam", [], IIC_FXAM>, D9;
+def FLDL2T : I<0xE9, RawFrm, (outs), (ins), "fldl2t", [], IIC_FLDL>, D9;
+def FLDL2E : I<0xEA, RawFrm, (outs), (ins), "fldl2e", [], IIC_FLDL>, D9;
+def FLDPI : I<0xEB, RawFrm, (outs), (ins), "fldpi", [], IIC_FLDL>, D9;
+def FLDLG2 : I<0xEC, RawFrm, (outs), (ins), "fldlg2", [], IIC_FLDL>, D9;
+def FLDLN2 : I<0xED, RawFrm, (outs), (ins), "fldln2", [], IIC_FLDL>, D9;
+def F2XM1 : I<0xF0, RawFrm, (outs), (ins), "f2xm1", [], IIC_F2XM1>, D9;
+def FYL2X : I<0xF1, RawFrm, (outs), (ins), "fyl2x", [], IIC_FYL2X>, D9;
+def FPTAN : I<0xF2, RawFrm, (outs), (ins), "fptan", [], IIC_FPTAN>, D9;
+def FPATAN : I<0xF3, RawFrm, (outs), (ins), "fpatan", [], IIC_FPATAN>, D9;
+def FXTRACT : I<0xF4, RawFrm, (outs), (ins), "fxtract", [], IIC_FXTRACT>, D9;
+def FPREM1 : I<0xF5, RawFrm, (outs), (ins), "fprem1", [], IIC_FPREM1>, D9;
+def FDECSTP : I<0xF6, RawFrm, (outs), (ins), "fdecstp", [], IIC_FPSTP>, D9;
+def FINCSTP : I<0xF7, RawFrm, (outs), (ins), "fincstp", [], IIC_FPSTP>, D9;
+def FPREM : I<0xF8, RawFrm, (outs), (ins), "fprem", [], IIC_FPREM>, D9;
+def FYL2XP1 : I<0xF9, RawFrm, (outs), (ins), "fyl2xp1", [], IIC_FYL2XP1>, D9;
+def FSINCOS : I<0xFB, RawFrm, (outs), (ins), "fsincos", [], IIC_FSINCOS>, D9;
+def FRNDINT : I<0xFC, RawFrm, (outs), (ins), "frndint", [], IIC_FRNDINT>, D9;
+def FSCALE : I<0xFD, RawFrm, (outs), (ins), "fscale", [], IIC_FSCALE>, D9;
+def FCOMPP : I<0xD9, RawFrm, (outs), (ins), "fcompp", [], IIC_FCOMPP>, DE;
def FXSAVE : I<0xAE, MRM0m, (outs opaque512mem:$dst), (ins),
- "fxsave\t$dst", []>, TB;
+ "fxsave\t$dst", [], IIC_FXSAVE>, TB;
def FXSAVE64 : I<0xAE, MRM0m, (outs opaque512mem:$dst), (ins),
- "fxsaveq\t$dst", []>, TB, REX_W, Requires<[In64BitMode]>;
+ "fxsaveq\t$dst", [], IIC_FXSAVE>, TB, REX_W,
+ Requires<[In64BitMode]>;
def FXRSTOR : I<0xAE, MRM1m, (outs), (ins opaque512mem:$src),
- "fxrstor\t$src", []>, TB;
+ "fxrstor\t$src", [], IIC_FXRSTOR>, TB;
def FXRSTOR64 : I<0xAE, MRM1m, (outs), (ins opaque512mem:$src),
- "fxrstorq\t$src", []>, TB, REX_W, Requires<[In64BitMode]>;
+ "fxrstorq\t$src", [], IIC_FXRSTOR>, TB, REX_W,
+ Requires<[In64BitMode]>;
//===----------------------------------------------------------------------===//
// Non-Instruction Patterns