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[mips] Add definition of instruction "drotr32" (double rotate right plus 32).

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190232 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka 2013-09-07 00:18:01 +00:00
parent 0e85f6e391
commit 1abf0afdd4
3 changed files with 10 additions and 1 deletions
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4
lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp
View File

@ -155,6 +155,9 @@ static void LowerLargeShift(MCInst& Inst) {
case Mips::DSRA:
Inst.setOpcode(Mips::DSRA32);
return;
case Mips::DROTR:
Inst.setOpcode(Mips::DROTR32);
return;
}
}
@ -206,6 +209,7 @@ EncodeInstruction(const MCInst &MI, raw_ostream &OS,
case Mips::DSLL:
case Mips::DSRL:
case Mips::DSRA:
case Mips::DROTR:
LowerLargeShift(TmpInst);
break;
// Double extract instruction is chosen by pos and size operands

1
lib/Target/Mips/Mips64InstrInfo.td
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@ -111,6 +111,7 @@ let Predicates = [HasMips64r2, HasStdEnc] in {
SRA_FM<0x3a, 1>;
def DROTRV : shift_rotate_reg<"drotrv", GPR64Opnd, rotr>,
SRLV_FM<0x16, 1>;
def DROTR32 : shift_rotate_imm<"drotr32", uimm5, GPR64Opnd>, SRA_FM<0x3e, 1>;
}
/// Load and Store Instructions

6
test/MC/Mips/mips64-alu-instructions.s
View File

@ -1,4 +1,4 @@
# RUN: llvm-mc %s -triple=mipsel-unknown-linux -show-encoding -mcpu=mips64r2 | FileCheck %s
# RUN: llvm-mc %s -triple=mips64el-unknown-linux -show-encoding -mcpu=mips64r2 | FileCheck %s
# Check that the assembler can handle the documented syntax
# for arithmetic and logical instructions.
#------------------------------------------------------------------------------
@ -73,6 +73,8 @@
# CHECK: daddiu $9, $6, -15001 # encoding: [0x67,0xc5,0xc9,0x64]
# CHECK: daddiu $9, $9, -15001 # encoding: [0x67,0xc5,0x29,0x65]
# CHECK: daddu $9, $6, $7 # encoding: [0x2d,0x48,0xc7,0x00]
# CHECK: drotr $9, $6, 20 # encoding: [0x3a,0x4d,0x26,0x00]
# CHECK: drotr32 $9, $6, 52 # encoding: [0x3e,0x4d,0x26,0x00]
# CHECK: madd $6, $7 # encoding: [0x00,0x00,0xc7,0x70]
# CHECK: maddu $6, $7 # encoding: [0x01,0x00,0xc7,0x70]
# CHECK: msub $6, $7 # encoding: [0x04,0x00,0xc7,0x70]
@ -94,6 +96,8 @@
daddiu $9,$6,-15001
daddiu $9,-15001
daddu $9,$6,$7
drotr $9, $6, 20
drotr32 $9, $6, 52
madd $6,$7
maddu $6,$7
msub $6,$7