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| author | Jim Grosbach <grosbach@apple.com> | 2011-10-28 16:57:07 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2011-10-28 16:57:07 +0000 |
| commit | 7a49575d7f9bb15bc0fc1c785f9e867745c6b0ce (patch) | |
| tree | 377f0561fc1c85c421c1dbb1c942d0b9586a0f4a /llvm/lib | |
| parent | 6acb14818d415091b465195aba9b746f9a17df49 (diff) | |
| download | bcm5719-llvm-7a49575d7f9bb15bc0fc1c785f9e867745c6b0ce.tar.gz bcm5719-llvm-7a49575d7f9bb15bc0fc1c785f9e867745c6b0ce.zip | |
Thumb2 ADD/SUB instructions encoding selection outside IT block.
Outside an IT block, "add r3, #2" should select a 32-bit wide encoding
rather than generating an error indicating the 16-bit encoding is only
legal in an IT block (outside, the 'S' suffic is required for the 16-bit
encoding).
rdar://10348481
llvm-svn: 143201
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMInstrThumb2.td | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrThumb2.td b/llvm/lib/Target/ARM/ARMInstrThumb2.td index 7d98182f7a0..9a48b1860fd 100644 --- a/llvm/lib/Target/ARM/ARMInstrThumb2.td +++ b/llvm/lib/Target/ARM/ARMInstrThumb2.td @@ -3861,6 +3861,16 @@ def : t2InstAlias<"add${s}${p} $Rd, $Rn, $Rm", def : t2InstAlias<"add${s}${p} $Rd, $Rn, $ShiftedRm", (t2ADDrs GPRnopc:$Rd, GPRnopc:$Rn, t2_so_reg:$ShiftedRm, pred:$p, cc_out:$s)>; +// ... and with the destination and source register combined. +def : t2InstAlias<"add${s}${p} $Rdn, $imm", + (t2ADDri GPRnopc:$Rdn, GPRnopc:$Rdn, t2_so_imm:$imm, pred:$p, cc_out:$s)>; +def : t2InstAlias<"add${p} $Rdn, $imm", + (t2ADDri12 GPRnopc:$Rdn, GPRnopc:$Rdn, imm0_4095:$imm, pred:$p)>; +def : t2InstAlias<"add${s}${p} $Rdn, $Rm", + (t2ADDrr GPRnopc:$Rdn, GPRnopc:$Rdn, rGPR:$Rm, pred:$p, cc_out:$s)>; +def : t2InstAlias<"add${s}${p} $Rdn, $ShiftedRm", + (t2ADDrs GPRnopc:$Rdn, GPRnopc:$Rdn, t2_so_reg:$ShiftedRm, + pred:$p, cc_out:$s)>; // Aliases for SUB without the ".w" optional width specifier. def : t2InstAlias<"sub${s}${p} $Rd, $Rn, $imm", @@ -3872,6 +3882,17 @@ def : t2InstAlias<"sub${s}${p} $Rd, $Rn, $Rm", def : t2InstAlias<"sub${s}${p} $Rd, $Rn, $ShiftedRm", (t2SUBrs GPRnopc:$Rd, GPRnopc:$Rn, t2_so_reg:$ShiftedRm, pred:$p, cc_out:$s)>; +// ... and with the destination and source register combined. +def : t2InstAlias<"sub${s}${p} $Rdn, $imm", + (t2SUBri GPRnopc:$Rdn, GPRnopc:$Rdn, t2_so_imm:$imm, pred:$p, cc_out:$s)>; +def : t2InstAlias<"sub${p} $Rdn, $imm", + (t2SUBri12 GPRnopc:$Rdn, GPRnopc:$Rdn, imm0_4095:$imm, pred:$p)>; +def : t2InstAlias<"sub${s}${p} $Rdn, $Rm", + (t2SUBrr GPRnopc:$Rdn, GPRnopc:$Rdn, rGPR:$Rm, pred:$p, cc_out:$s)>; +def : t2InstAlias<"sub${s}${p} $Rdn, $ShiftedRm", + (t2SUBrs GPRnopc:$Rdn, GPRnopc:$Rdn, t2_so_reg:$ShiftedRm, + pred:$p, cc_out:$s)>; + // Alias for compares without the ".w" optional width specifier. def : t2InstAlias<"cmn${p} $Rn, $Rm", |
