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mbar without argument is equivalent to mbar 0.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214250 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Joerg Sonnenberger 2014-07-29 23:31:27 +00:00
parent 70fec68744
commit 1bb9c8155a
2 changed files with 4 additions and 0 deletions
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2
lib/Target/PowerPC/PPCInstrInfo.td
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@ -3123,6 +3123,8 @@ def : InstAlias<"wait", (WAIT 0)>;
def : InstAlias<"waitrsv", (WAIT 1)>; def : InstAlias<"waitrsv", (WAIT 1)>;
def : InstAlias<"waitimpl", (WAIT 2)>; def : InstAlias<"waitimpl", (WAIT 2)>;
def : InstAlias<"mbar", (MBAR 0)>, Requires<[IsBookE]>;
def : InstAlias<"crset $bx", (CREQV crbitrc:$bx, crbitrc:$bx, crbitrc:$bx)>; def : InstAlias<"crset $bx", (CREQV crbitrc:$bx, crbitrc:$bx, crbitrc:$bx)>;
def : InstAlias<"crclr $bx", (CRXOR crbitrc:$bx, crbitrc:$bx, crbitrc:$bx)>; def : InstAlias<"crclr $bx", (CRXOR crbitrc:$bx, crbitrc:$bx, crbitrc:$bx)>;
def : InstAlias<"crmove $bx, $by", (CROR crbitrc:$bx, crbitrc:$by, crbitrc:$by)>; def : InstAlias<"crmove $bx, $by", (CROR crbitrc:$bx, crbitrc:$by, crbitrc:$by)>;

2
test/MC/PowerPC/ppc64-encoding-bookII.s
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@ -56,6 +56,8 @@
# CHECK-BE: mbar 1 # encoding: [0x7c,0x20,0x06,0xac] # CHECK-BE: mbar 1 # encoding: [0x7c,0x20,0x06,0xac]
# CHECK-LE: mbar 1 # encoding: [0xac,0x06,0x20,0x7c] # CHECK-LE: mbar 1 # encoding: [0xac,0x06,0x20,0x7c]
mbar 1 mbar 1
# CHECK-BE: mbar 0
mbar
# Extended mnemonics # Extended mnemonics