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[PowerPC] Support "eieio" instruction

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This adds support for the "eieio" instruction to
the asm parser.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185349 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Ulrich Weigand 2013-07-01 17:06:26 +00:00
parent 48b4d4f647
commit c0a6b981de
3 changed files with 11 additions and 1 deletions
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6
lib/Target/PowerPC/PPCInstrFormats.td
View File

@ -484,6 +484,12 @@ class XForm_24_sync<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
let Inst{31} = 0;
}
class XForm_24_eieio<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
string asmstr, InstrItinClass itin, list<dag> pattern>
: XForm_24_sync<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
let L = 0;
}
class XForm_25<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {

3
lib/Target/PowerPC/PPCInstrInfo.td
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@ -2257,6 +2257,9 @@ def ISYNC : XLForm_2_ext<19, 150, 0, 0, 0, (outs), (ins),
def ICBI : XForm_1a<31, 982, (outs), (ins memrr:$src),
"icbi $src", LdStICBI, []>;
def EIEIO : XForm_24_eieio<31, 854, (outs), (ins),
"eieio", LdStLoad, []>;
//===----------------------------------------------------------------------===//
// PowerPC Assembler Instruction Aliases
//

3
test/MC/PowerPC/ppc64-encoding-bookII.s
View File

@ -37,7 +37,8 @@
# CHECK: sync 2 # encoding: [0x7c,0x40,0x04,0xac]
sync 2
# FIXME: eieio
# CHECK: eieio # encoding: [0x7c,0x00,0x06,0xac]
eieio
# FIXME: wait 2
# Extended mnemonics