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-rw-r--r--contrib/llvm/lib/Target/X86/X86InstrFPStack.td136
1 files changed, 84 insertions, 52 deletions
diff --git a/contrib/llvm/lib/Target/X86/X86InstrFPStack.td b/contrib/llvm/lib/Target/X86/X86InstrFPStack.td
index 49068e9..03ae211 100644
--- a/contrib/llvm/lib/Target/X86/X86InstrFPStack.td
+++ b/contrib/llvm/lib/Target/X86/X86InstrFPStack.td
@@ -137,69 +137,99 @@ def _Fp80 : FpI_<(outs RFP80:$dst), (ins RFP80:$src1, RFP80:$src2), TwoArgFP,
// The FopST0 series are not included here because of the irregularities
// in where the 'r' goes in assembly output.
// These instructions cannot address 80-bit memory.
-multiclass FPBinary<SDNode OpNode, Format fp, string asmstring> {
+multiclass FPBinary<SDNode OpNode, Format fp, string asmstring,
+ bit Forward = 1> {
// ST(0) = ST(0) + [mem]
def _Fp32m : FpIf32<(outs RFP32:$dst),
(ins RFP32:$src1, f32mem:$src2), OneArgFPRW,
- [(set RFP32:$dst,
- (OpNode RFP32:$src1, (loadf32 addr:$src2)))]>;
+ [!if(Forward,
+ (set RFP32:$dst,
+ (OpNode RFP32:$src1, (loadf32 addr:$src2))),
+ (set RFP32:$dst,
+ (OpNode (loadf32 addr:$src2), RFP32:$src1)))]>;
def _Fp64m : FpIf64<(outs RFP64:$dst),
(ins RFP64:$src1, f64mem:$src2), OneArgFPRW,
- [(set RFP64:$dst,
- (OpNode RFP64:$src1, (loadf64 addr:$src2)))]>;
+ [!if(Forward,
+ (set RFP64:$dst,
+ (OpNode RFP64:$src1, (loadf64 addr:$src2))),
+ (set RFP64:$dst,
+ (OpNode (loadf64 addr:$src2), RFP64:$src1)))]>;
def _Fp64m32: FpIf64<(outs RFP64:$dst),
(ins RFP64:$src1, f32mem:$src2), OneArgFPRW,
- [(set RFP64:$dst,
- (OpNode RFP64:$src1, (f64 (extloadf32 addr:$src2))))]>;
+ [!if(Forward,
+ (set RFP64:$dst,
+ (OpNode RFP64:$src1, (f64 (extloadf32 addr:$src2)))),
+ (set RFP64:$dst,
+ (OpNode (f64 (extloadf32 addr:$src2)), RFP64:$src1)))]>;
def _Fp80m32: FpI_<(outs RFP80:$dst),
(ins RFP80:$src1, f32mem:$src2), OneArgFPRW,
- [(set RFP80:$dst,
- (OpNode RFP80:$src1, (f80 (extloadf32 addr:$src2))))]>;
+ [!if(Forward,
+ (set RFP80:$dst,
+ (OpNode RFP80:$src1, (f80 (extloadf32 addr:$src2)))),
+ (set RFP80:$dst,
+ (OpNode (f80 (extloadf32 addr:$src2)), RFP80:$src1)))]>;
def _Fp80m64: FpI_<(outs RFP80:$dst),
(ins RFP80:$src1, f64mem:$src2), OneArgFPRW,
- [(set RFP80:$dst,
- (OpNode RFP80:$src1, (f80 (extloadf64 addr:$src2))))]>;
+ [!if(Forward,
+ (set RFP80:$dst,
+ (OpNode RFP80:$src1, (f80 (extloadf64 addr:$src2)))),
+ (set RFP80:$dst,
+ (OpNode (f80 (extloadf64 addr:$src2)), RFP80:$src1)))]>;
+let mayLoad = 1 in
def _F32m : FPI<0xD8, fp, (outs), (ins f32mem:$src),
- !strconcat("f", asmstring, "{s}\t$src")> {
- let mayLoad = 1;
-}
+ !strconcat("f", asmstring, "{s}\t$src")>;
+let mayLoad = 1 in
def _F64m : FPI<0xDC, fp, (outs), (ins f64mem:$src),
- !strconcat("f", asmstring, "{l}\t$src")> {
- let mayLoad = 1;
-}
+ !strconcat("f", asmstring, "{l}\t$src")>;
// ST(0) = ST(0) + [memint]
def _FpI16m32 : FpIf32<(outs RFP32:$dst), (ins RFP32:$src1, i16mem:$src2),
OneArgFPRW,
- [(set RFP32:$dst, (OpNode RFP32:$src1,
- (X86fild addr:$src2, i16)))]>;
+ [!if(Forward,
+ (set RFP32:$dst,
+ (OpNode RFP32:$src1, (X86fild addr:$src2, i16))),
+ (set RFP32:$dst,
+ (OpNode (X86fild addr:$src2, i16), RFP32:$src1)))]>;
def _FpI32m32 : FpIf32<(outs RFP32:$dst), (ins RFP32:$src1, i32mem:$src2),
OneArgFPRW,
- [(set RFP32:$dst, (OpNode RFP32:$src1,
- (X86fild addr:$src2, i32)))]>;
+ [!if(Forward,
+ (set RFP32:$dst,
+ (OpNode RFP32:$src1, (X86fild addr:$src2, i32))),
+ (set RFP32:$dst,
+ (OpNode (X86fild addr:$src2, i32), RFP32:$src1)))]>;
def _FpI16m64 : FpIf64<(outs RFP64:$dst), (ins RFP64:$src1, i16mem:$src2),
OneArgFPRW,
- [(set RFP64:$dst, (OpNode RFP64:$src1,
- (X86fild addr:$src2, i16)))]>;
+ [!if(Forward,
+ (set RFP64:$dst,
+ (OpNode RFP64:$src1, (X86fild addr:$src2, i16))),
+ (set RFP64:$dst,
+ (OpNode (X86fild addr:$src2, i16), RFP64:$src1)))]>;
def _FpI32m64 : FpIf64<(outs RFP64:$dst), (ins RFP64:$src1, i32mem:$src2),
OneArgFPRW,
- [(set RFP64:$dst, (OpNode RFP64:$src1,
- (X86fild addr:$src2, i32)))]>;
+ [!if(Forward,
+ (set RFP64:$dst,
+ (OpNode RFP64:$src1, (X86fild addr:$src2, i32))),
+ (set RFP64:$dst,
+ (OpNode (X86fild addr:$src2, i32), RFP64:$src1)))]>;
def _FpI16m80 : FpI_<(outs RFP80:$dst), (ins RFP80:$src1, i16mem:$src2),
- OneArgFPRW,
- [(set RFP80:$dst, (OpNode RFP80:$src1,
- (X86fild addr:$src2, i16)))]>;
+ OneArgFPRW,
+ [!if(Forward,
+ (set RFP80:$dst,
+ (OpNode RFP80:$src1, (X86fild addr:$src2, i16))),
+ (set RFP80:$dst,
+ (OpNode (X86fild addr:$src2, i16), RFP80:$src1)))]>;
def _FpI32m80 : FpI_<(outs RFP80:$dst), (ins RFP80:$src1, i32mem:$src2),
- OneArgFPRW,
- [(set RFP80:$dst, (OpNode RFP80:$src1,
- (X86fild addr:$src2, i32)))]>;
+ OneArgFPRW,
+ [!if(Forward,
+ (set RFP80:$dst,
+ (OpNode RFP80:$src1, (X86fild addr:$src2, i32))),
+ (set RFP80:$dst,
+ (OpNode (X86fild addr:$src2, i32), RFP80:$src1)))]>;
+let mayLoad = 1 in
def _FI16m : FPI<0xDE, fp, (outs), (ins i16mem:$src),
- !strconcat("fi", asmstring, "{s}\t$src")> {
- let mayLoad = 1;
-}
+ !strconcat("fi", asmstring, "{s}\t$src")>;
+let mayLoad = 1 in
def _FI32m : FPI<0xDA, fp, (outs), (ins i32mem:$src),
- !strconcat("fi", asmstring, "{l}\t$src")> {
- let mayLoad = 1;
-}
+ !strconcat("fi", asmstring, "{l}\t$src")>;
}
let Defs = [FPSW] in {
@@ -213,14 +243,14 @@ defm DIV : FPBinary_rr<fdiv>;
let SchedRW = [WriteFAddLd] in {
defm ADD : FPBinary<fadd, MRM0m, "add">;
defm SUB : FPBinary<fsub, MRM4m, "sub">;
-defm SUBR: FPBinary<fsub ,MRM5m, "subr">;
+defm SUBR: FPBinary<fsub ,MRM5m, "subr", 0>;
}
let SchedRW = [WriteFMulLd] in {
defm MUL : FPBinary<fmul, MRM1m, "mul">;
}
let SchedRW = [WriteFDivLd] in {
defm DIV : FPBinary<fdiv, MRM6m, "div">;
-defm DIVR: FPBinary<fdiv, MRM7m, "divr">;
+defm DIVR: FPBinary<fdiv, MRM7m, "divr", 0>;
}
}
@@ -306,13 +336,13 @@ def FCOMP64m : FPI<0xDC, MRM3m, (outs), (ins f64mem:$src), "fcomp{l}\t$src">;
def FRSTORm : FPI<0xDD, MRM4m, (outs f32mem:$dst), (ins), "frstor\t$dst">;
def FSAVEm : FPI<0xDD, MRM6m, (outs f32mem:$dst), (ins), "fnsave\t$dst">;
-def FNSTSWm : FPI<0xDD, MRM7m, (outs f32mem:$dst), (ins), "fnstsw\t$dst">;
+def FNSTSWm : FPI<0xDD, MRM7m, (outs i16mem:$dst), (ins), "fnstsw\t$dst">;
def FICOM16m : FPI<0xDE, MRM2m, (outs), (ins i16mem:$src), "ficom{s}\t$src">;
def FICOMP16m: FPI<0xDE, MRM3m, (outs), (ins i16mem:$src), "ficomp{s}\t$src">;
-def FBLDm : FPI<0xDF, MRM4m, (outs), (ins f32mem:$src), "fbld\t$src">;
-def FBSTPm : FPI<0xDF, MRM6m, (outs f32mem:$dst), (ins), "fbstp\t$dst">;
+def FBLDm : FPI<0xDF, MRM4m, (outs), (ins f80mem:$src), "fbld\t$src">;
+def FBSTPm : FPI<0xDF, MRM6m, (outs f80mem:$dst), (ins), "fbstp\t$dst">;
// Floating point cmovs.
class FpIf32CMov<dag outs, dag ins, FPFormat fp, list<dag> pattern> :
@@ -633,16 +663,18 @@ def FRNDINT : I<0xD9, MRM_FC, (outs), (ins), "frndint", [], IIC_FRNDINT>;
def FSCALE : I<0xD9, MRM_FD, (outs), (ins), "fscale", [], IIC_FSCALE>;
def FCOMPP : I<0xDE, MRM_D9, (outs), (ins), "fcompp", [], IIC_FCOMPP>;
-def FXSAVE : I<0xAE, MRM0m, (outs), (ins opaque512mem:$dst),
- "fxsave\t$dst", [(int_x86_fxsave addr:$dst)], IIC_FXSAVE>, TB;
-def FXSAVE64 : RI<0xAE, MRM0m, (outs), (ins opaque512mem:$dst),
- "fxsave64\t$dst", [(int_x86_fxsave64 addr:$dst)],
- IIC_FXSAVE>, TB, Requires<[In64BitMode]>;
-def FXRSTOR : I<0xAE, MRM1m, (outs), (ins opaque512mem:$src),
- "fxrstor\t$src", [(int_x86_fxrstor addr:$src)], IIC_FXRSTOR>, TB;
-def FXRSTOR64 : RI<0xAE, MRM1m, (outs), (ins opaque512mem:$src),
- "fxrstor64\t$src", [(int_x86_fxrstor64 addr:$src)],
- IIC_FXRSTOR>, TB, Requires<[In64BitMode]>;
+let Predicates = [HasFXSR] in {
+ def FXSAVE : I<0xAE, MRM0m, (outs), (ins opaque512mem:$dst),
+ "fxsave\t$dst", [(int_x86_fxsave addr:$dst)], IIC_FXSAVE>, TB;
+ def FXSAVE64 : RI<0xAE, MRM0m, (outs), (ins opaque512mem:$dst),
+ "fxsave64\t$dst", [(int_x86_fxsave64 addr:$dst)],
+ IIC_FXSAVE>, TB, Requires<[In64BitMode]>;
+ def FXRSTOR : I<0xAE, MRM1m, (outs), (ins opaque512mem:$src),
+ "fxrstor\t$src", [(int_x86_fxrstor addr:$src)], IIC_FXRSTOR>, TB;
+ def FXRSTOR64 : RI<0xAE, MRM1m, (outs), (ins opaque512mem:$src),
+ "fxrstor64\t$src", [(int_x86_fxrstor64 addr:$src)],
+ IIC_FXRSTOR>, TB, Requires<[In64BitMode]>;
+} // Predicates = [FeatureFXSR]
} // SchedRW
//===----------------------------------------------------------------------===//
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