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Thumb2 assembly parsing STMDB w/ optional .w suffix.

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rdar://10422955


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144242 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2011-11-09 23:44:23 +00:00
parent 14e809c872
commit 3c5d6e4df4
2 changed files with 8 additions and 0 deletions
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6
lib/Target/ARM/ARMInstrThumb2.td
View File

@ -3971,6 +3971,12 @@ def : t2InstAlias<"push${p} $regs", (t2STMDB_UPD SP, pred:$p, reglist:$regs)>;
def : t2InstAlias<"pop${p}.w $regs", (t2LDMIA_UPD SP, pred:$p, reglist:$regs)>;
def : t2InstAlias<"pop${p} $regs", (t2LDMIA_UPD SP, pred:$p, reglist:$regs)>;
// STMDB/STMDB_UPD aliases w/ the optional .w suffix
def : t2InstAlias<"stmdb${p}.w $Rn, $regs",
(t2STMDB GPR:$Rn, pred:$p, reglist:$regs)>;
def : t2InstAlias<"stmdb${p}.w $Rn!, $regs",
(t2STMDB_UPD GPR:$Rn, pred:$p, reglist:$regs)>;
// LDMDB/LDMDB_UPD aliases w/ the optional .w suffix
def : t2InstAlias<"ldmdb${p}.w $Rn, $regs",
(t2LDMDB GPR:$Rn, pred:$p, reglist:$regs)>;

2
test/MC/ARM/basic-thumb2-instructions.s
View File

@ -2303,11 +2303,13 @@ _func:
stmdb r4, {r5, r6}
stmdb r5!, {r3, r8}
stmea r5!, {r3, r8}
stmdb.w r5, {r0, r1}
@ CHECK: stmdb r4, {r4, r5, r8, r9} @ encoding: [0x04,0xe9,0x30,0x03]
@ CHECK: stmdb r4, {r5, r6} @ encoding: [0x04,0xe9,0x60,0x00]
@ CHECK: stmdb r5!, {r3, r8} @ encoding: [0x25,0xe9,0x08,0x01]
@ CHECK: stm.w r5!, {r3, r8} @ encoding: [0xa5,0xe8,0x08,0x01]
@ CHECK: stmdb r5, {r0, r1} @ encoding: [0x05,0xe9,0x03,0x00]
@------------------------------------------------------------------------------