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| author | Jim Grosbach <grosbach@apple.com> | 2011-09-15 18:13:30 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2011-09-15 18:13:30 +0000 |
| commit | 1b69a128d6b98456c666b4031cc46c3d0fbe6177 (patch) | |
| tree | c3b86bb7fac543da6b2904a8aa48eab2efde5891 | |
| parent | 4bab3c77102954380c923505c413a2df7aca48eb (diff) | |
Thumb2 assembly parsing and encoding for REV.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139813 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 2 | ||||
| -rw-r--r-- | test/MC/ARM/basic-thumb2-instructions.s | 16 |
2 files changed, 18 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index fbc95ee96c..9467f36f98 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -3841,3 +3841,5 @@ 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:$regs)>; +// Alias for REV without the ".w" optional width specifier. +def : t2InstAlias<"rev${p} $Rd, $Rm", (t2REV rGPR:$Rd, rGPR:$Rm, pred:$p)>; diff --git a/test/MC/ARM/basic-thumb2-instructions.s b/test/MC/ARM/basic-thumb2-instructions.s index 9facc0ca60..9723407bbb 100644 --- a/test/MC/ARM/basic-thumb2-instructions.s +++ b/test/MC/ARM/basic-thumb2-instructions.s @@ -1426,6 +1426,22 @@ _func: @------------------------------------------------------------------------------ +@ REV +@------------------------------------------------------------------------------ + rev.w r1, r2 + rev r2, r8 + itt ne + revne r1, r2 + revne r1, r8 + +@ CHECK: rev.w r1, r2 @ encoding: [0x92,0xfa,0x82,0xf1] +@ CHECK: rev.w r2, r8 @ encoding: [0x98,0xfa,0x88,0xf2] +@ CHECK: itt ne @ encoding: [0x1c,0xbf] +@ CHECK: revne r1, r2 @ encoding: [0x11,0xba] +@ CHECK: revne.w r1, r8 @ encoding: [0x98,0xfa,0x88,0xf1] + + +@------------------------------------------------------------------------------ @ SUB (register) @------------------------------------------------------------------------------ sub.w r5, r2, r12, rrx |