diff options
| author | Jim Grosbach <grosbach@apple.com> | 2011-07-27 22:34:17 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2011-07-27 22:34:17 +0000 |
| commit | addec77b54fd77e99fd01f462a3fb8c3c89066fa (patch) | |
| tree | e9a8a8719e0fb8aa5a7de9e33df9a3a64fae4e11 /lib | |
| parent | 5f33d13da41f55e7421eee3bbfa410d07bd7af19 (diff) | |
ARM assembly parsing and encoding support for USAT and USAT16.
Use range checked immediate operands for instructions. Add tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136285 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index 7e9687a7cf..722fff7d1c 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -2785,7 +2785,7 @@ def SSAT16 : AI<(outs GPR:$Rd), (ins imm1_16:$sat_imm, GPR:$Rn), SatFrm, let Inst{3-0} = Rn; } -def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn, shift_imm:$sh), +def USAT : AI<(outs GPR:$Rd), (ins imm0_31:$sat_imm, GPR:$Rn, shift_imm:$sh), SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> { bits<4> Rd; bits<5> sat_imm; @@ -2800,7 +2800,7 @@ def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn, shift_imm:$sh), let Inst{3-0} = Rn; } -def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm, +def USAT16 : AI<(outs GPR:$Rd), (ins imm0_15:$sat_imm, GPR:$a), SatFrm, NoItinerary, "usat16", "\t$Rd, $sat_imm, $a", [/* For disassembly only; pattern left blank */]> { bits<4> Rd; @@ -4364,9 +4364,11 @@ def : InstAlias<"rsc${s}${p} $Rdn, $shift", (RSCrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p, cc_out:$s)>, Requires<[IsARM]>; -// SSAT optional shift operand. +// SSAT/USAT optional shift operand. def : InstAlias<"ssat${p} $Rd, $sat_imm, $Rn", (SSAT GPR:$Rd, imm1_32:$sat_imm, GPR:$Rn, 0, pred:$p)>; +def : InstAlias<"usat${p} $Rd, $sat_imm, $Rn", + (USAT GPR:$Rd, imm0_31:$sat_imm, GPR:$Rn, 0, pred:$p)>; // Extend instruction optional rotate operand. |