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[ARM] Fixup sign extend instruction availability w.r.t. DSP extension 

llvm-svn: 226468
This commit is contained in:
Bradley Smith 2015-01-19 16:36:02 +00:00
parent 12ca34f53f
commit 30057b245e
2 changed files with 57 additions and 22 deletions
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55
llvm/lib/Target/ARM/ARMInstrThumb2.td
View File

@ -1185,7 +1185,8 @@ class T2I_exta_rrot<bits<3> opcod, string opc, PatFrag opnode>
class T2I_exta_rrot_np<bits<3> opcod, string opc>
: T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm,rot_imm:$rot),
IIC_iEXTAsr, opc, "\t$Rd, $Rn, $Rm$rot", []> {
IIC_iEXTAsr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
Requires<[HasT2ExtractPack, IsThumb2]> {
bits<2> rot;
let Inst{31-27} = 0b11111;
let Inst{26-23} = 0b0100;
@ -4585,17 +4586,21 @@ def : t2InstAlias<"strh${p} $Rt, $addr",
(t2STRHs rGPR:$Rt, t2addrmode_so_reg:$addr, pred:$p)>;
// Extend instruction optional rotate operand.
def : t2InstAlias<"sxtab${p} $Rd, $Rn, $Rm",
(t2SXTAB rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>;
def : t2InstAlias<"sxtah${p} $Rd, $Rn, $Rm",
(t2SXTAH rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>;
def : t2InstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
(t2SXTAB16 rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>;
def : InstAlias<"sxtab${p} $Rd, $Rn, $Rm",
(t2SXTAB rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>,
Requires<[HasT2ExtractPack, IsThumb2]>;
def : InstAlias<"sxtah${p} $Rd, $Rn, $Rm",
(t2SXTAH rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>,
Requires<[HasT2ExtractPack, IsThumb2]>;
def : InstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
(t2SXTAB16 rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>,
Requires<[HasT2ExtractPack, IsThumb2]>;
def : InstAlias<"sxtb16${p} $Rd, $Rm",
(t2SXTB16 rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>,
Requires<[HasT2ExtractPack, IsThumb2]>;
def : t2InstAlias<"sxtb${p} $Rd, $Rm",
(t2SXTB rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>;
def : t2InstAlias<"sxtb16${p} $Rd, $Rm",
(t2SXTB16 rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>;
def : t2InstAlias<"sxth${p} $Rd, $Rm",
(t2SXTH rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>;
def : t2InstAlias<"sxtb${p}.w $Rd, $Rm",
@ -4603,19 +4608,23 @@ def : t2InstAlias<"sxtb${p}.w $Rd, $Rm",
def : t2InstAlias<"sxth${p}.w $Rd, $Rm",
(t2SXTH rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>;
def : t2InstAlias<"uxtab${p} $Rd, $Rn, $Rm",
(t2UXTAB rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>;
def : t2InstAlias<"uxtah${p} $Rd, $Rn, $Rm",
(t2UXTAH rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>;
def : t2InstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
(t2UXTAB16 rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>;
def : InstAlias<"uxtab${p} $Rd, $Rn, $Rm",
(t2UXTAB rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>,
Requires<[HasT2ExtractPack, IsThumb2]>;
def : InstAlias<"uxtah${p} $Rd, $Rn, $Rm",
(t2UXTAH rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>,
Requires<[HasT2ExtractPack, IsThumb2]>;
def : InstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
(t2UXTAB16 rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>,
Requires<[HasT2ExtractPack, IsThumb2]>;
def : InstAlias<"uxtb16${p} $Rd, $Rm",
(t2UXTB16 rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>,
Requires<[HasT2ExtractPack, IsThumb2]>;
def : t2InstAlias<"uxtb${p} $Rd, $Rm",
(t2UXTB rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>;
def : t2InstAlias<"uxtb16${p} $Rd, $Rm",
(t2UXTB16 rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>;
def : t2InstAlias<"uxth${p} $Rd, $Rm",
(t2UXTH rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>;
def : t2InstAlias<"uxtb${p}.w $Rd, $Rm",
(t2UXTB rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>;
def : t2InstAlias<"uxth${p}.w $Rd, $Rm",
@ -4624,15 +4633,17 @@ def : t2InstAlias<"uxth${p}.w $Rd, $Rm",
// Extend instruction w/o the ".w" optional width specifier.
def : t2InstAlias<"uxtb${p} $Rd, $Rm$rot",
(t2UXTB rGPR:$Rd, rGPR:$Rm, rot_imm:$rot, pred:$p)>;
def : t2InstAlias<"uxtb16${p} $Rd, $Rm$rot",
(t2UXTB16 rGPR:$Rd, rGPR:$Rm, rot_imm:$rot, pred:$p)>;
def : InstAlias<"uxtb16${p} $Rd, $Rm$rot",
(t2UXTB16 rGPR:$Rd, rGPR:$Rm, rot_imm:$rot, pred:$p)>,
Requires<[HasT2ExtractPack, IsThumb2]>;
def : t2InstAlias<"uxth${p} $Rd, $Rm$rot",
(t2UXTH rGPR:$Rd, rGPR:$Rm, rot_imm:$rot, pred:$p)>;
def : t2InstAlias<"sxtb${p} $Rd, $Rm$rot",
(t2SXTB rGPR:$Rd, rGPR:$Rm, rot_imm:$rot, pred:$p)>;
def : t2InstAlias<"sxtb16${p} $Rd, $Rm$rot",
(t2SXTB16 rGPR:$Rd, rGPR:$Rm, rot_imm:$rot, pred:$p)>;
def : InstAlias<"sxtb16${p} $Rd, $Rm$rot",
(t2SXTB16 rGPR:$Rd, rGPR:$Rm, rot_imm:$rot, pred:$p)>,
Requires<[HasT2ExtractPack, IsThumb2]>;
def : t2InstAlias<"sxth${p} $Rd, $Rm$rot",
(t2SXTH rGPR:$Rd, rGPR:$Rm, rot_imm:$rot, pred:$p)>;

24
llvm/test/MC/ARM/thumb2-dsp-diag.s Normal file
View File

@ -0,0 +1,24 @@
; RUN: not llvm-mc -triple=thumbv7m < %s 2> %t
; RUN: FileCheck --check-prefix=CHECK-ERRORS < %t %s
sxtab r0, r0, r0
sxtah r0, r0, r0
sxtab16 r0, r0, r0
sxtb16 r0, r0
sxtb16 r0, r0, ror #8
; CHECK-ERRORS: error: instruction requires: arm-mode
; CHECK-ERRORS: error: instruction requires: arm-mode
; CHECK-ERRORS: error: instruction requires: arm-mode
; CHECK-ERRORS: error: instruction requires: arm-mode
; CHECK-ERRORS: error: invalid operand for instruction
uxtab r0, r0, r0
uxtah r0, r0, r0
uxtab16 r0, r0, r0
uxtb16 r0, r0
uxtb16 r0, r0, ror #8
; CHECK-ERRORS: error: instruction requires: arm-mode
; CHECK-ERRORS: error: instruction requires: arm-mode
; CHECK-ERRORS: error: instruction requires: arm-mode
; CHECK-ERRORS: error: instruction requires: arm-mode
; CHECK-ERRORS: error: invalid operand for instruction