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| author | Jim Grosbach <grosbach@apple.com> | 2011-09-06 22:14:58 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2011-09-06 22:14:58 +0000 |
| commit | 06c1a51241852bd652ae6473afaa71d96d48b0eb (patch) | |
| tree | 91321617a23100a788b6ddb765329055b8049a9f | |
| parent | 756a0a1f39bc10fb7140c820b69e731cfbf1d25c (diff) | |
Thumb2 parsing and encoding for DMB.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139193 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 4 | ||||
| -rw-r--r-- | test/MC/ARM/basic-thumb2-instructions.s | 32 |
2 files changed, 36 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index 8a1bcc2d64..7fcb4b07e5 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -3588,3 +3588,7 @@ def : t2InstAlias<"teq${p} $Rn, $Rm", def : t2InstAlias<"tst${p} $Rn, $Rm", (t2TSTrr GPRnopc:$Rn, rGPR:$Rm, pred:$p)>; +// Memory barriers +def : InstAlias<"dmb", (t2DMB 0xf)>, Requires<[IsThumb2, HasDB]>; +def : InstAlias<"dsb", (t2DSB 0xf)>, Requires<[IsThumb2, HasDB]>; +//def : InstAlias<"isb", (t2ISB 0xf)>, Requires<[IsThumb2, HasDB]>; diff --git a/test/MC/ARM/basic-thumb2-instructions.s b/test/MC/ARM/basic-thumb2-instructions.s index 3039f2442f..13cf725edc 100644 --- a/test/MC/ARM/basic-thumb2-instructions.s +++ b/test/MC/ARM/basic-thumb2-instructions.s @@ -369,6 +369,38 @@ _func: @------------------------------------------------------------------------------ +@ DMB +@------------------------------------------------------------------------------ + dmb sy + dmb st + dmb sh + dmb ish + dmb shst + dmb ishst + dmb un + dmb nsh + dmb unst + dmb nshst + dmb osh + dmb oshst + dmb + +@ CHECK: dmb sy @ encoding: [0xbf,0xf3,0x5f,0x8f] +@ CHECK: dmb st @ encoding: [0xbf,0xf3,0x5e,0x8f] +@ CHECK: dmb ish @ encoding: [0xbf,0xf3,0x5b,0x8f] +@ CHECK: dmb ish @ encoding: [0xbf,0xf3,0x5b,0x8f] +@ CHECK: dmb ishst @ encoding: [0xbf,0xf3,0x5a,0x8f] +@ CHECK: dmb ishst @ encoding: [0xbf,0xf3,0x5a,0x8f] +@ CHECK: dmb nsh @ encoding: [0xbf,0xf3,0x57,0x8f] +@ CHECK: dmb nsh @ encoding: [0xbf,0xf3,0x57,0x8f] +@ CHECK: dmb nshst @ encoding: [0xbf,0xf3,0x56,0x8f] +@ CHECK: dmb nshst @ encoding: [0xbf,0xf3,0x56,0x8f] +@ CHECK: dmb osh @ encoding: [0xbf,0xf3,0x53,0x8f] +@ CHECK: dmb oshst @ encoding: [0xbf,0xf3,0x52,0x8f] +@ CHECK: dmb sy @ encoding: [0xbf,0xf3,0x5f,0x8f] + + +@------------------------------------------------------------------------------ @ IT @------------------------------------------------------------------------------ @ Test encodings of a few full IT blocks, not just the IT instruction |