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| author | Bill Wendling <isanbard@gmail.com> | 2010-11-29 01:07:48 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2010-11-29 01:07:48 +0000 |
| commit | 2f17bf2a4406d89b5e127306cbd0fc862e0a6bd5 (patch) | |
| tree | c83af692114db428d8cbbc61ee41ebe8af01cebc | |
| parent | 5cbbf68e35a053c904548564da13d4a8596f988b (diff) | |
| download | external_llvm-2f17bf2a4406d89b5e127306cbd0fc862e0a6bd5.zip external_llvm-2f17bf2a4406d89b5e127306cbd0fc862e0a6bd5.tar.gz external_llvm-2f17bf2a4406d89b5e127306cbd0fc862e0a6bd5.tar.bz2 | |
Add more Thumb encodings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120279 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb.td | 42 | ||||
| -rw-r--r-- | test/MC/ARM/thumb.s | 8 |
2 files changed, 38 insertions, 12 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td index 0a53bbb..3af8934 100644 --- a/lib/Target/ARM/ARMInstrThumb.td +++ b/lib/Target/ARM/ARMInstrThumb.td @@ -1177,24 +1177,42 @@ def tSXTH : T1pI<(outs tGPR:$Rd), (ins tGPR:$Rm), IIC_iUNAr, // test let isCompare = 1, isCommutable = 1, Defs = [CPSR] in -def tTST : T1pI<(outs), (ins tGPR:$lhs, tGPR:$rhs), IIC_iTSTr, - "tst", "\t$lhs, $rhs", - [(ARMcmpZ (and_su tGPR:$lhs, tGPR:$rhs), 0)]>, - T1DataProcessing<0b1000>; +def tTST : T1pI<(outs), (ins tGPR:$Rn, tGPR:$Rm), IIC_iTSTr, + "tst", "\t$Rn, $Rm", + [(ARMcmpZ (and_su tGPR:$Rn, tGPR:$Rm), 0)]>, + T1DataProcessing<0b1000> { + // A8.6.230 + bits<3> Rm; + bits<3> Rn; + let Inst{5-3} = Rm; + let Inst{2-0} = Rn; +} // zero-extend byte -def tUXTB : T1pI<(outs tGPR:$dst), (ins tGPR:$src), IIC_iUNAr, - "uxtb", "\t$dst, $src", - [(set tGPR:$dst, (and tGPR:$src, 0xFF))]>, +def tUXTB : T1pI<(outs tGPR:$Rd), (ins tGPR:$Rm), IIC_iUNAr, + "uxtb", "\t$Rd, $Rm", + [(set tGPR:$Rd, (and tGPR:$Rm, 0xFF))]>, Requires<[IsThumb, IsThumb1Only, HasV6]>, - T1Misc<{0,0,1,0,1,1,?}>; + T1Misc<{0,0,1,0,1,1,?}> { + // A8.6.262 + bits<3> Rm; + bits<3> Rd; + let Inst{5-3} = Rm; + let Inst{2-0} = Rd; +} // zero-extend short -def tUXTH : T1pI<(outs tGPR:$dst), (ins tGPR:$src), IIC_iUNAr, - "uxth", "\t$dst, $src", - [(set tGPR:$dst, (and tGPR:$src, 0xFFFF))]>, +def tUXTH : T1pI<(outs tGPR:$Rd), (ins tGPR:$Rm), IIC_iUNAr, + "uxth", "\t$Rd, $Rm", + [(set tGPR:$Rd, (and tGPR:$Rm, 0xFFFF))]>, Requires<[IsThumb, IsThumb1Only, HasV6]>, - T1Misc<{0,0,1,0,1,0,?}>; + T1Misc<{0,0,1,0,1,0,?}> { + // A8.6.264 + bits<3> Rm; + bits<3> Rd; + let Inst{5-3} = Rm; + let Inst{2-0} = Rd; +} // Conditional move tMOVCCr - Used to implement the Thumb SELECT_CC operation. diff --git a/test/MC/ARM/thumb.s b/test/MC/ARM/thumb.s index 386dcfe..2db97c3 100644 --- a/test/MC/ARM/thumb.s +++ b/test/MC/ARM/thumb.s @@ -24,3 +24,11 @@ @ CHECK: sxth r2, r3 @ encoding: [0x1a,0xb2] sxtb r2, r3 sxth r2, r3 + +@ CHECK: tst r4, r5 @ encoding: [0x2c,0x42] + tst r4, r5 + +@ CHECK: uxtb r3, r6 @ encoding: [0xf3,0xb2] +@ CHECK: uxth r3, r6 @ encoding: [0xb3,0xb2] + uxtb r3, r6 + uxth r3, r6 |