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-rw-r--r--contrib/llvm/lib/Target/X86/X86Instr3DNow.td103
1 files changed, 103 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/X86/X86Instr3DNow.td b/contrib/llvm/lib/Target/X86/X86Instr3DNow.td
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+++ b/contrib/llvm/lib/Target/X86/X86Instr3DNow.td
@@ -0,0 +1,103 @@
+//===-- X86Instr3DNow.td - The 3DNow! Instruction Set ------*- tablegen -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file describes the 3DNow! instruction set, which extends MMX to support
+// floating point and also adds a few more random instructions for good measure.
+//
+//===----------------------------------------------------------------------===//
+
+class I3DNow<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pat>
+ : I<o, F, outs, ins, asm, pat>, TB, Requires<[Has3DNow]> {
+}
+
+class I3DNow_binop<bits<8> o, Format F, dag ins, string Mnemonic, list<dag> pat>
+ : I3DNow<o, F, (outs VR64:$dst), ins,
+ !strconcat(Mnemonic, "\t{$src2, $dst|$dst, $src2}"), pat>,
+ Has3DNow0F0FOpcode {
+ // FIXME: The disassembler doesn't support Has3DNow0F0FOpcode yet.
+ let isAsmParserOnly = 1;
+ let Constraints = "$src1 = $dst";
+}
+
+class I3DNow_conv<bits<8> o, Format F, dag ins, string Mnemonic, list<dag> pat>
+ : I3DNow<o, F, (outs VR64:$dst), ins,
+ !strconcat(Mnemonic, "\t{$src, $dst|$dst, $src}"), pat>,
+ Has3DNow0F0FOpcode {
+ // FIXME: The disassembler doesn't support Has3DNow0F0FOpcode yet.
+ let isAsmParserOnly = 1;
+}
+
+multiclass I3DNow_binop_rm<bits<8> opc, string Mn> {
+ def rr : I3DNow_binop<opc, MRMSrcReg, (ins VR64:$src1, VR64:$src2), Mn, []>;
+ def rm : I3DNow_binop<opc, MRMSrcMem, (ins VR64:$src1, i64mem:$src2), Mn, []>;
+}
+
+multiclass I3DNow_binop_rm_int<bits<8> opc, string Mn, string Ver = ""> {
+ def rr : I3DNow_binop<opc, MRMSrcReg, (ins VR64:$src1, VR64:$src2), Mn,
+ [(set VR64:$dst, (!cast<Intrinsic>(
+ !strconcat("int_x86_3dnow", Ver, "_", Mn)) VR64:$src1, VR64:$src2))]>;
+ def rm : I3DNow_binop<opc, MRMSrcMem, (ins VR64:$src1, i64mem:$src2), Mn,
+ [(set VR64:$dst, (!cast<Intrinsic>(
+ !strconcat("int_x86_3dnow", Ver, "_", Mn)) VR64:$src1,
+ (bitconvert (load_mmx addr:$src2))))]>;
+}
+
+multiclass I3DNow_conv_rm<bits<8> opc, string Mn> {
+ def rr : I3DNow_conv<opc, MRMSrcReg, (ins VR64:$src1), Mn, []>;
+ def rm : I3DNow_conv<opc, MRMSrcMem, (ins i64mem:$src1), Mn, []>;
+}
+
+multiclass I3DNow_conv_rm_int<bits<8> opc, string Mn, string Ver = ""> {
+ def rr : I3DNow_conv<opc, MRMSrcReg, (ins VR64:$src), Mn,
+ [(set VR64:$dst, (!cast<Intrinsic>(
+ !strconcat("int_x86_3dnow", Ver, "_", Mn)) VR64:$src))]>;
+ def rm : I3DNow_conv<opc, MRMSrcMem, (ins i64mem:$src), Mn,
+ [(set VR64:$dst, (!cast<Intrinsic>(
+ !strconcat("int_x86_3dnow", Ver, "_", Mn))
+ (bitconvert (load_mmx addr:$src))))]>;
+}
+
+defm PAVGUSB : I3DNow_binop_rm_int<0xBF, "pavgusb">;
+defm PF2ID : I3DNow_conv_rm_int<0x1D, "pf2id">;
+defm PFACC : I3DNow_binop_rm_int<0xAE, "pfacc">;
+defm PFADD : I3DNow_binop_rm_int<0x9E, "pfadd">;
+defm PFCMPEQ : I3DNow_binop_rm_int<0xB0, "pfcmpeq">;
+defm PFCMPGE : I3DNow_binop_rm_int<0x90, "pfcmpge">;
+defm PFCMPGT : I3DNow_binop_rm_int<0xA0, "pfcmpgt">;
+defm PFMAX : I3DNow_binop_rm_int<0xA4, "pfmax">;
+defm PFMIN : I3DNow_binop_rm_int<0x94, "pfmin">;
+defm PFMUL : I3DNow_binop_rm_int<0xB4, "pfmul">;
+defm PFRCP : I3DNow_conv_rm_int<0x96, "pfrcp">;
+defm PFRCPIT1 : I3DNow_binop_rm_int<0xA6, "pfrcpit1">;
+defm PFRCPIT2 : I3DNow_binop_rm_int<0xB6, "pfrcpit2">;
+defm PFRSQIT1 : I3DNow_binop_rm_int<0xA7, "pfrsqit1">;
+defm PFRSQRT : I3DNow_conv_rm_int<0x97, "pfrsqrt">;
+defm PFSUB : I3DNow_binop_rm_int<0x9A, "pfsub">;
+defm PFSUBR : I3DNow_binop_rm_int<0xAA, "pfsubr">;
+defm PI2FD : I3DNow_conv_rm_int<0x0D, "pi2fd">;
+defm PMULHRW : I3DNow_binop_rm_int<0xB7, "pmulhrw">;
+
+
+def FEMMS : I3DNow<0x0E, RawFrm, (outs), (ins), "femms",
+ [(int_x86_mmx_femms)]>;
+
+def PREFETCH : I3DNow<0x0D, MRM0m, (outs), (ins i8mem:$addr),
+ "prefetch\t$addr",
+ [(prefetch addr:$addr, (i32 0), imm, (i32 1))]>;
+
+def PREFETCHW : I<0x0D, MRM1m, (outs), (ins i8mem:$addr), "prefetchw\t$addr",
+ [(prefetch addr:$addr, (i32 1), (i32 3), (i32 1))]>, TB,
+ Requires<[HasPrefetchW]>;
+
+// "3DNowA" instructions
+defm PF2IW : I3DNow_conv_rm_int<0x1C, "pf2iw", "a">;
+defm PI2FW : I3DNow_conv_rm_int<0x0C, "pi2fw", "a">;
+defm PFNACC : I3DNow_binop_rm_int<0x8A, "pfnacc", "a">;
+defm PFPNACC : I3DNow_binop_rm_int<0x8E, "pfpnacc", "a">;
+defm PSWAPD : I3DNow_conv_rm_int<0xBB, "pswapd", "a">;