llvm/lib/Target/Sparc/SparcInstrAliases.td
2014-02-07 09:06:52 +00:00

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//===-- SparcInstrAliases.td - Instruction Aliases for Sparc Target -------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains instruction aliases for Sparc.
//===----------------------------------------------------------------------===//
// Instruction aliases for conditional moves.
// mov<cond> <ccreg> rs2, rd
multiclass cond_mov_alias<string cond, int condVal, string ccreg,
Instruction movrr, Instruction movri,
Instruction fmovs, Instruction fmovd> {
// mov<cond> (%icc|%xcc|%fcc0), rs2, rd
def : InstAlias<!strconcat(!strconcat(!strconcat("mov", cond), ccreg),
", $rs2, $rd"),
(movrr IntRegs:$rd, IntRegs:$rs2, condVal)>;
// mov<cond> (%icc|%xcc|%fcc0), simm11, rd
def : InstAlias<!strconcat(!strconcat(!strconcat("mov", cond), ccreg),
", $simm11, $rd"),
(movri IntRegs:$rd, i32imm:$simm11, condVal)>;
// fmovs<cond> (%icc|%xcc|%fcc0), $rs2, $rd
def : InstAlias<!strconcat(!strconcat(!strconcat("fmovs", cond), ccreg),
", $rs2, $rd"),
(fmovs FPRegs:$rd, FPRegs:$rs2, condVal)>;
// fmovd<cond> (%icc|%xcc|%fcc0), $rs2, $rd
def : InstAlias<!strconcat(!strconcat(!strconcat("fmovd", cond), ccreg),
", $rs2, $rd"),
(fmovd DFPRegs:$rd, DFPRegs:$rs2, condVal)>;
}
// Instruction aliases for integer conditional branches and moves.
multiclass int_cond_alias<string cond, int condVal> {
// b<cond> $imm
def : InstAlias<!strconcat(!strconcat("b", cond), " $imm"),
(BCOND brtarget:$imm, condVal)>;
// b<cond> %xcc, $imm
def : InstAlias<!strconcat(!strconcat("b", cond), " %xcc, $imm"),
(BPXCC brtarget:$imm, condVal)>, Requires<[Is64Bit]>;
defm : cond_mov_alias<cond, condVal, " %icc",
MOVICCrr, MOVICCri,
FMOVS_ICC, FMOVD_ICC>, Requires<[HasV9]>;
defm : cond_mov_alias<cond, condVal, " %xcc",
MOVXCCrr, MOVXCCri,
FMOVS_XCC, FMOVD_XCC>, Requires<[Is64Bit]>;
// fmovq<cond> (%icc|%xcc), $rs2, $rd
def : InstAlias<!strconcat(!strconcat("fmovq", cond), " %icc, $rs2, $rd"),
(FMOVQ_ICC QFPRegs:$rd, QFPRegs:$rs2, condVal)>,
Requires<[HasV9, HasHardQuad]>;
def : InstAlias<!strconcat(!strconcat("fmovq", cond), " %xcc, $rs2, $rd"),
(FMOVQ_XCC QFPRegs:$rd, QFPRegs:$rs2, condVal)>,
Requires<[Is64Bit, HasHardQuad]>;
}
// Instruction aliases for floating point conditional branches and moves.
multiclass fp_cond_alias<string cond, int condVal> {
// fb<cond> $imm
def : InstAlias<!strconcat(!strconcat("fb", cond), " $imm"),
(FBCOND brtarget:$imm, condVal), 0>;
defm : cond_mov_alias<cond, condVal, " %fcc0",
MOVFCCrr, MOVFCCri,
FMOVS_FCC, FMOVD_FCC>, Requires<[HasV9]>;
// fmovq<cond> %fcc0, $rs2, $rd
def : InstAlias<!strconcat(!strconcat("fmovq", cond), " %fcc0, $rs2, $rd"),
(FMOVQ_ICC QFPRegs:$rd, QFPRegs:$rs2, condVal)>,
Requires<[HasV9, HasHardQuad]>;
}
defm : int_cond_alias<"a", 0b1000>;
defm : int_cond_alias<"n", 0b0000>;
defm : int_cond_alias<"ne", 0b1001>;
defm : int_cond_alias<"e", 0b0001>;
defm : int_cond_alias<"g", 0b1010>;
defm : int_cond_alias<"le", 0b0010>;
defm : int_cond_alias<"ge", 0b1011>;
defm : int_cond_alias<"l", 0b0011>;
defm : int_cond_alias<"gu", 0b1100>;
defm : int_cond_alias<"leu", 0b0100>;
defm : int_cond_alias<"cc", 0b1101>;
defm : int_cond_alias<"cs", 0b0101>;
defm : int_cond_alias<"pos", 0b1110>;
defm : int_cond_alias<"neg", 0b0110>;
defm : int_cond_alias<"vc", 0b1111>;
defm : int_cond_alias<"vs", 0b0111>;
defm : fp_cond_alias<"u", 0b0111>;
defm : fp_cond_alias<"g", 0b0110>;
defm : fp_cond_alias<"ug", 0b0101>;
defm : fp_cond_alias<"l", 0b0100>;
defm : fp_cond_alias<"ul", 0b0011>;
defm : fp_cond_alias<"lg", 0b0010>;
defm : fp_cond_alias<"ne", 0b0001>;
defm : fp_cond_alias<"e", 0b1001>;
defm : fp_cond_alias<"ue", 0b1010>;
defm : fp_cond_alias<"ge", 0b1011>;
defm : fp_cond_alias<"uge", 0b1100>;
defm : fp_cond_alias<"le", 0b1101>;
defm : fp_cond_alias<"ule", 0b1110>;
defm : fp_cond_alias<"o", 0b1111>;
// Instruction aliases for JMPL.
// jmp addr -> jmpl addr, %g0
def : InstAlias<"jmp $addr", (JMPLrr G0, MEMrr:$addr)>;
def : InstAlias<"jmp $addr", (JMPLri G0, MEMri:$addr)>;
// call addr -> jmpl addr, %o7
def : InstAlias<"call $addr", (JMPLrr O7, MEMrr:$addr)>;
def : InstAlias<"call $addr", (JMPLri O7, MEMri:$addr)>;
// retl -> RETL 8
def : InstAlias<"retl", (RETL 8)>;
// ret -> RET 8
def : InstAlias<"ret", (RET 8)>;
// mov reg, rd -> or %g0, reg, rd
def : InstAlias<"mov $rs2, $rd", (ORrr IntRegs:$rd, G0, IntRegs:$rs2)>;
// mov simm13, rd -> or %g0, simm13, rd
def : InstAlias<"mov $simm13, $rd", (ORri IntRegs:$rd, G0, i32imm:$simm13)>;