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authorAlexander Kornienko <alexfh@google.com>2013-04-03 14:07:16 +0000
committerAlexander Kornienko <alexfh@google.com>2013-04-03 14:07:16 +0000
commite133bc868944822bf8961f825d3aa63d6fa48fb7 (patch)
treeebbd4a8040181471467a9737d90d94dc6b58b316 /lib/Target/X86/X86InstrFPStack.td
parent647735c781c5b37061ee03d6e9e6c7dda92218e2 (diff)
parent080e3c523e87ec68ca1ea5db4cd49816028dd8bd (diff)
Updating branches/google/stable to r178511stable
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/google/stable@178655 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86InstrFPStack.td')
-rw-r--r--lib/Target/X86/X86InstrFPStack.td26
1 files changed, 19 insertions, 7 deletions
diff --git a/lib/Target/X86/X86InstrFPStack.td b/lib/Target/X86/X86InstrFPStack.td
index 568726e08e..2224a08d59 100644
--- a/lib/Target/X86/X86InstrFPStack.td
+++ b/lib/Target/X86/X86InstrFPStack.td
@@ -422,7 +422,7 @@ def IST_Fp32m80 : FpI_<(outs), (ins i32mem:$op, RFP80:$src), OneArgFP, []>;
def IST_Fp64m80 : FpI_<(outs), (ins i64mem:$op, RFP80:$src), OneArgFP, []>;
}
-let mayLoad = 1 in {
+let mayLoad = 1, SchedRW = [WriteLoad] in {
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",
@@ -436,7 +436,7 @@ 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",
IIC_FILD>;
}
-let mayStore = 1 in {
+let mayStore = 1, SchedRW = [WriteStore] in {
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",
@@ -481,7 +481,7 @@ def ISTT_Fp64m80 : FpI_<(outs), (ins i64mem:$op, RFP80:$src), OneArgFP,
[(X86fp_to_i64mem RFP80:$src, addr:$op)]>;
} // Predicates = [HasSSE3]
-let mayStore = 1 in {
+let mayStore = 1, SchedRW = [WriteStore] in {
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",
@@ -491,6 +491,7 @@ def ISTT_FP64m : FPI<0xDD, MRM1m, (outs), (ins i64mem:$dst),
}
// FP Stack manipulation instructions.
+let SchedRW = [WriteMove] in {
def LD_Frr : FPI<0xC0, AddRegFrm, (outs), (ins RST:$op), "fld\t$op",
IIC_FLD>, D9;
def ST_Frr : FPI<0xD0, AddRegFrm, (outs), (ins RST:$op), "fst\t$op",
@@ -499,6 +500,7 @@ def ST_FPrr : FPI<0xD8, AddRegFrm, (outs), (ins RST:$op), "fstp\t$op",
IIC_FST>, DD;
def XCH_F : FPI<0xC8, AddRegFrm, (outs), (ins RST:$op), "fxch\t$op",
IIC_FXCH>, D9;
+}
// Floating point constant loads.
let isReMaterializable = 1 in {
@@ -516,19 +518,23 @@ def LD_Fp180 : FpI_<(outs RFP80:$dst), (ins), ZeroArgFP,
[(set RFP80:$dst, fpimm1)]>;
}
+let SchedRW = [WriteZero] in {
def LD_F0 : FPI<0xEE, RawFrm, (outs), (ins), "fldz", IIC_FLDZ>, D9;
def LD_F1 : FPI<0xE8, RawFrm, (outs), (ins), "fld1", IIC_FIST>, D9;
-
+}
// Floating point compares.
+let SchedRW = [WriteFAdd] in {
def UCOM_Fpr32 : FpIf32<(outs), (ins RFP32:$lhs, RFP32:$rhs), CompareFP,
[(set FPSW, (trunc (X86cmp RFP32:$lhs, RFP32:$rhs)))]>;
def UCOM_Fpr64 : FpIf64<(outs), (ins RFP64:$lhs, RFP64:$rhs), CompareFP,
[(set FPSW, (trunc (X86cmp RFP64:$lhs, RFP64:$rhs)))]>;
def UCOM_Fpr80 : FpI_ <(outs), (ins RFP80:$lhs, RFP80:$rhs), CompareFP,
[(set FPSW, (trunc (X86cmp RFP80:$lhs, RFP80:$rhs)))]>;
+} // SchedRW
} // Defs = [FPSW]
+let SchedRW = [WriteFAdd] in {
// CC = ST(0) cmp ST(i)
let Defs = [EFLAGS, FPSW] in {
def UCOM_FpIr32: FpIf32<(outs), (ins RFP32:$lhs, RFP32:$rhs), CompareFP,
@@ -566,8 +572,10 @@ def COM_FIr : FPI<0xF0, AddRegFrm, (outs), (ins RST:$reg),
def COM_FIPr : FPI<0xF0, AddRegFrm, (outs), (ins RST:$reg),
"fcompi\t$reg", IIC_FCOMI>, DF;
}
+} // SchedRW
// Floating point flag ops.
+let SchedRW = [WriteALU] in {
let Defs = [AX], Uses = [FPSW] in
def FNSTSW16r : I<0xE0, RawFrm, // AX = fp flags
(outs), (ins), "fnstsw %ax",
@@ -576,23 +584,26 @@ def FNSTSW16r : I<0xE0, RawFrm, // AX = fp flags
def FNSTCW16m : I<0xD9, MRM7m, // [mem16] = X87 control world
(outs), (ins i16mem:$dst), "fnstcw\t$dst",
[(X86fp_cwd_get16 addr:$dst)], IIC_FNSTCW>;
-
+} // SchedRW
let mayLoad = 1 in
def FLDCW16m : I<0xD9, MRM5m, // X87 control world = [mem16]
- (outs), (ins i16mem:$dst), "fldcw\t$dst", [], IIC_FLDCW>;
+ (outs), (ins i16mem:$dst), "fldcw\t$dst", [], IIC_FLDCW>,
+ Sched<[WriteLoad]>;
// FPU control instructions
+let SchedRW = [WriteMicrocoded] in {
let Defs = [FPSW] in
def FNINIT : I<0xE3, RawFrm, (outs), (ins), "fninit", [], IIC_FNINIT>, DB;
def FFREE : FPI<0xC0, AddRegFrm, (outs), (ins RST:$reg),
"ffree\t$reg", IIC_FFREE>, DD;
-
// Clear exceptions
let Defs = [FPSW] in
def FNCLEX : I<0xE2, RawFrm, (outs), (ins), "fnclex", [], IIC_FNCLEX>, DB;
+} // SchedRW
// Operandless floating-point instructions for the disassembler.
+let SchedRW = [WriteMicrocoded] in {
def WAIT : I<0x9B, RawFrm, (outs), (ins), "wait", [], IIC_WAIT>;
def FNOP : I<0xD0, RawFrm, (outs), (ins), "fnop", [], IIC_FNOP>, D9;
@@ -627,6 +638,7 @@ def FXRSTOR : I<0xAE, MRM1m, (outs), (ins opaque512mem:$src),
def FXRSTOR64 : I<0xAE, MRM1m, (outs), (ins opaque512mem:$src),
"fxrstorq\t$src", [], IIC_FXRSTOR>, TB, REX_W,
Requires<[In64BitMode]>;
+} // SchedRW
//===----------------------------------------------------------------------===//
// Non-Instruction Patterns