Add bunch of FP instructions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76019 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov 2009-07-16 14:20:24 +00:00
parent 23eff5c75a
commit 7aa03ac827
3 changed files with 163 additions and 0 deletions

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@ -47,6 +47,7 @@ include "SystemZCallingConv.td"
//===----------------------------------------------------------------------===//
include "SystemZInstrInfo.td"
include "SystemZInstrFP.td"
def SystemZInstrInfo : InstrInfo {}

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@ -0,0 +1,156 @@
//===- SystemZInstrFP.td - SystemZ FP Instruction defs --------*- tblgen-*-===//
//
// 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 SystemZ (binary) floating point instructions in
// TableGen format.
//
//===----------------------------------------------------------------------===//
// FIXME: multiclassify!
//===----------------------------------------------------------------------===//
// Move Instructions
let neverHasSideEffects = 1 in {
def FMOV32rr : Pseudo<(outs FP32:$dst), (ins FP32:$src),
"ler\t{$dst, $src}",
[]>;
def FMOV64rr : Pseudo<(outs FP64:$dst), (ins FP64:$src),
"ldr\t{$dst, $src}",
[]>;
}
let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
def FMOV32rm : Pseudo<(outs FP32:$dst), (ins rriaddr12:$src),
"le\t{$dst, $src}",
[(set FP32:$dst, (load rriaddr12:$src))]>;
def FMOV32rmy : Pseudo<(outs FP32:$dst), (ins rriaddr:$src),
"ley\t{$dst, $src}",
[(set FP32:$dst, (load rriaddr:$src))]>;
def FMOV64rm : Pseudo<(outs FP64:$dst), (ins rriaddr12:$src),
"ld\t{$dst, $src}",
[(set FP64:$dst, (load rriaddr12:$src))]>;
def FMOV64rmy : Pseudo<(outs FP64:$dst), (ins rriaddr:$src),
"ldy\t{$dst, $src}",
[(set FP64:$dst, (load rriaddr:$src))]>;
}
def FMOV32mr : Pseudo<(outs), (ins rriaddr12:$dst, FP32:$src),
"ste\t{$src, $dst}",
[(store FP32:$src, rriaddr12:$dst)]>;
def FMOV32mry : Pseudo<(outs), (ins rriaddr:$dst, FP32:$src),
"stey\t{$src, $dst}",
[(store FP32:$src, rriaddr:$dst)]>;
def FMOV64mr : Pseudo<(outs), (ins rriaddr12:$dst, FP64:$src),
"std\t{$src, $dst}",
[(store FP64:$src, rriaddr12:$dst)]>;
def FMOV64mry : Pseudo<(outs), (ins rriaddr:$dst, FP64:$src),
"stdy\t{$src, $dst}",
[(store FP64:$src, rriaddr:$dst)]>;
//===----------------------------------------------------------------------===//
// Arithmetic Instructions
let isTwoAddress = 1 in {
let isCommutable = 1 in { // X = ADD Y, Z == X = ADD Z, Y
def FADD32rr : Pseudo<(outs FP32:$dst), (ins FP32:$src1, FP32:$src2),
"aebr\t{$dst, $src2}",
[(set FP32:$dst, (fadd FP32:$src1, FP32:$src2))]>;
def FADD64rr : Pseudo<(outs FP64:$dst), (ins FP64:$src1, FP64:$src2),
"adbr\t{$dst, $src2}",
[(set FP64:$dst, (fadd FP64:$src1, FP64:$src2))]>;
}
def FADD32rm : Pseudo<(outs FP32:$dst), (ins FP32:$src1, rriaddr:$src2),
"aeb\t{$dst, $src2}",
[(set FP32:$dst, (fadd FP32:$src1, (load rriaddr:$src2)))]>;
def FADD64rm : Pseudo<(outs FP64:$dst), (ins FP64:$src1, rriaddr:$src2),
"adb\t{$dst, $src2}",
[(set FP64:$dst, (fadd FP64:$src1, (load rriaddr:$src2)))]>;
def FSUB32rr : Pseudo<(outs FP32:$dst), (ins FP32:$src1, FP32:$src2),
"sebr\t{$dst, $src2}",
[(set FP32:$dst, (fsub FP32:$src1, FP32:$src2))]>;
def FSUB64rr : Pseudo<(outs FP64:$dst), (ins FP64:$src1, FP64:$src2),
"sdbr\t{$dst, $src2}",
[(set FP64:$dst, (fsub FP64:$src1, FP64:$src2))]>;
def FSUB32rm : Pseudo<(outs FP32:$dst), (ins FP32:$src1, rriaddr:$src2),
"seb\t{$dst, $src2}",
[(set FP32:$dst, (fsub FP32:$src1, (load rriaddr:$src2)))]>;
def FSUB64rm : Pseudo<(outs FP64:$dst), (ins FP64:$src1, rriaddr:$src2),
"sdb\t{$dst, $src2}",
[(set FP64:$dst, (fsub FP64:$src1, (load rriaddr:$src2)))]>;
let isCommutable = 1 in { // X = MUL Y, Z == X = MUL Z, Y
def FMUL32rr : Pseudo<(outs FP32:$dst), (ins FP32:$src1, FP32:$src2),
"meebr\t{$dst, $src2}",
[(set FP32:$dst, (fmul FP32:$src1, FP32:$src2))]>;
def FMUL64rr : Pseudo<(outs FP64:$dst), (ins FP64:$src1, FP64:$src2),
"mdbr\t{$dst, $src2}",
[(set FP64:$dst, (fmul FP64:$src1, FP64:$src2))]>;
}
def FMUL32rm : Pseudo<(outs FP32:$dst), (ins FP32:$src1, rriaddr:$src2),
"meeb\t{$dst, $src2}",
[(set FP32:$dst, (fmul FP32:$src1, (load rriaddr:$src2)))]>;
def FMUL64rm : Pseudo<(outs FP64:$dst), (ins FP64:$src1, rriaddr:$src2),
"mdb\t{$dst, $src2}",
[(set FP64:$dst, (fmul FP64:$src1, (load rriaddr:$src2)))]>;
def FDIV32rr : Pseudo<(outs FP32:$dst), (ins FP32:$src1, FP32:$src2),
"debr\t{$dst, $src2}",
[(set FP32:$dst, (fdiv FP32:$src1, FP32:$src2))]>;
def FDIV64rr : Pseudo<(outs FP64:$dst), (ins FP64:$src1, FP64:$src2),
"ddbr\t{$dst, $src2}",
[(set FP64:$dst, (fdiv FP64:$src1, FP64:$src2))]>;
def FDIV32rm : Pseudo<(outs FP32:$dst), (ins FP32:$src1, rriaddr:$src2),
"deb\t{$dst, $src2}",
[(set FP32:$dst, (fdiv FP32:$src1, (load rriaddr:$src2)))]>;
def FDIV64rm : Pseudo<(outs FP64:$dst), (ins FP64:$src1, rriaddr:$src2),
"ddb\t{$dst, $src2}",
[(set FP64:$dst, (fdiv FP64:$src1, (load rriaddr:$src2)))]>;
} // isTwoAddress = 1
def FROUND64r32 : Pseudo<(outs FP32:$dst), (ins FP64:$src),
"ledbr\t{$dst, $src}",
[(set FP32:$dst, (fround FP64:$src))]>;
def FCONVFP32 : Pseudo<(outs FP32:$dst), (ins GR32:$src),
"cefbr\t{$dst, $src}",
[(set FP32:$dst, (sint_to_fp GR32:$src))]>;
def FCONVFP64 : Pseudo<(outs FP64:$dst), (ins GR64:$src),
"cdgbr\t{$dst, $src}",
[(set FP64:$dst, (sint_to_fp GR64:$src))]>;
//===----------------------------------------------------------------------===//
// Test instructions (like AND but do not produce any result)
// Integer comparisons
let Defs = [PSW] in {
def FCMP32rr : Pseudo<(outs), (ins FP32:$src1, FP32:$src2),
"cebr\t$src1, $src2",
[(SystemZcmp FP32:$src1, FP32:$src2), (implicit PSW)]>;
def FCMP64rr : Pseudo<(outs), (ins FP64:$src1, FP64:$src2),
"cdbr\t$src1, $src2",
[(SystemZcmp FP64:$src1, FP64:$src2), (implicit PSW)]>;
def FCMP32rm : Pseudo<(outs), (ins FP32:$src1, rriaddr:$src2),
"ceb\t$src1, $src2",
[(SystemZcmp FP32:$src1, (load rriaddr:$src2)),
(implicit PSW)]>;
def FCMP64rm : Pseudo<(outs), (ins FP64:$src1, rriaddr:$src2),
"cdb\t$src1, $src2",
[(SystemZcmp FP64:$src1, (load rriaddr:$src2)),
(implicit PSW)]>;
} // Defs = [PSW]

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@ -121,6 +121,10 @@ bool SystemZInstrInfo::copyRegToReg(MachineBasicBlock &MBB,
BuildMI(MBB, I, DL, get(SystemZ::MOV64rrP), DestReg).addReg(SrcReg);
} else if (CommonRC == &SystemZ::GR128RegClass) {
BuildMI(MBB, I, DL, get(SystemZ::MOV128rr), DestReg).addReg(SrcReg);
} else if (CommonRC == &SystemZ::FP32RegClass) {
BuildMI(MBB, I, DL, get(SystemZ::FMOV32rr), DestReg).addReg(SrcReg);
} else if (CommonRC == &SystemZ::FP64RegClass) {
BuildMI(MBB, I, DL, get(SystemZ::FMOV64rr), DestReg).addReg(SrcReg);
} else {
return false;
}
@ -156,6 +160,8 @@ SystemZInstrInfo::isMoveInstr(const MachineInstr& MI,
case SystemZ::MOV64rr:
case SystemZ::MOV64rrP:
case SystemZ::MOV128rr:
case SystemZ::FMOV32rr:
case SystemZ::FMOV64rr:
assert(MI.getNumOperands() >= 2 &&
MI.getOperand(0).isReg() &&
MI.getOperand(1).isReg() &&