RPCS3/llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2024-12-16 00:17:32 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[PowerPC] Support some miscellaneous mnemonics in the asm parser

Browse Source 
This adds support for the following extended mnemonics:
  xnop
  mr.
  not
  not.
  la



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184767 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Ulrich Weigand 2013-06-24 18:08:03 +00:00
parent 89ced61187
commit 96fb3a25cb
3 changed files with 27 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
View File

@ -423,6 +423,15 @@ void PPCAsmParser::
ProcessInstruction(MCInst &Inst,
const SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
switch (Inst.getOpcode()) {
case PPC::LAx: {
MCInst TmpInst;
TmpInst.setOpcode(PPC::LA);
TmpInst.addOperand(Inst.getOperand(0));
TmpInst.addOperand(Inst.getOperand(2));
TmpInst.addOperand(Inst.getOperand(1));
Inst = TmpInst;
break;
}
case PPC::SLWI: {
MCInst TmpInst;
int64_t N = Inst.getOperand(2).getImm();

8
lib/Target/PowerPC/PPCInstrInfo.td
View File

@ -2266,7 +2266,15 @@ class PPCAsmPseudo<string asm, dag iops>
def : InstAlias<"sc", (SC 0)>;
def : InstAlias<"xnop", (XORI R0, R0, 0)>;
def : InstAlias<"mr $rA, $rB", (OR8 g8rc:$rA, g8rc:$rB, g8rc:$rB)>;
def : InstAlias<"mr. $rA, $rB", (OR8o g8rc:$rA, g8rc:$rB, g8rc:$rB)>;
def : InstAlias<"not $rA, $rB", (NOR8 g8rc:$rA, g8rc:$rB, g8rc:$rB)>;
def : InstAlias<"not. $rA, $rB", (NOR8o g8rc:$rA, g8rc:$rB, g8rc:$rB)>;
def LAx : PPCAsmPseudo<"la $rA, $addr", (ins gprc:$rA, memri:$addr)>;
def SLWI : PPCAsmPseudo<"slwi $rA, $rS, $n",
(ins gprc:$rA, gprc:$rS, u5imm:$n)>;

15
test/MC/PowerPC/ppc64-encoding-ext.s
View File

@ -1899,15 +1899,20 @@
# CHECK: nop # encoding: [0x60,0x00,0x00,0x00]
nop
# FIXME: xnop
# CHECK: xori 0, 0, 0 # encoding: [0x68,0x00,0x00,0x00]
xnop
# CHECK: li 2, 128 # encoding: [0x38,0x40,0x00,0x80]
li 2, 128
# CHECK: lis 2, 128 # encoding: [0x3c,0x40,0x00,0x80]
lis 2, 128
# FIXME: la 2, 128(4)
# CHECK: la 2, 128(4)
la 2, 128(4)
# CHECK: mr 2, 3 # encoding: [0x7c,0x62,0x1b,0x78]
mr 2, 3
# FIXME: mr. 2, 3
# FIXME: not 2, 3
# FIXME: not. 2, 3
# CHECK: or. 2, 3, 3 # encoding: [0x7c,0x62,0x1b,0x79]
mr. 2, 3
# CHECK: nor 2, 3, 3 # encoding: [0x7c,0x62,0x18,0xf8]
not 2, 3
# CHECK: nor. 2, 3, 3 # encoding: [0x7c,0x62,0x18,0xf9]
not. 2, 3