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[PowerPC] Add "wait" instruction

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This adds the "wait" instruction and its extended mnemonics.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185350 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Ulrich Weigand
2013-07-01 17:21:23 +00:00
parent c0a6b981de
commit 62c1baf8b5
2 changed files with 15 additions and 4 deletions
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7
lib/Target/PowerPC/PPCInstrInfo.td
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@@ -2260,6 +2260,9 @@ def ICBI : XForm_1a<31, 982, (outs), (ins memrr:$src),
def EIEIO : XForm_24_eieio<31, 854, (outs), (ins),
"eieio", LdStLoad, []>;
def WAIT : XForm_24_sync<31, 62, (outs), (ins i32imm:$L),
"wait $L", LdStLoad, []>;
//===----------------------------------------------------------------------===//
// PowerPC Assembler Instruction Aliases
//
@@ -2286,6 +2289,10 @@ def : InstAlias<"sync", (SYNC 0)>;
def : InstAlias<"lwsync", (SYNC 1)>;
def : InstAlias<"ptesync", (SYNC 2)>;
def : InstAlias<"wait", (WAIT 0)>;
def : InstAlias<"waitrsv", (WAIT 1)>;
def : InstAlias<"waitimpl", (WAIT 2)>;
def : InstAlias<"xnop", (XORI R0, R0, 0)>;
def : InstAlias<"mr $rA, $rB", (OR8 g8rc:$rA, g8rc:$rB, g8rc:$rB)>;