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Thumb assembly parsing and encoding for CMP.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137963 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2011-08-18 18:08:29 +00:00
parent dbe46744c5
commit 0d1511c022
2 changed files with 12 additions and 1 deletions
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2
lib/Target/ARM/ARMInstrThumb.td
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@ -910,7 +910,7 @@ def tCMNz : // A8.6.33
// CMP immediate
let isCompare = 1, Defs = [CPSR] in {
def tCMPi8 : T1pI<(outs), (ins tGPR:$Rn, i32imm:$imm8), IIC_iCMPi,
def tCMPi8 : T1pI<(outs), (ins tGPR:$Rn, imm0_255:$imm8), IIC_iCMPi,
"cmp", "\t$Rn, $imm8",
[(ARMcmp tGPR:$Rn, imm0_255:$imm8)]>,
T1General<{1,0,1,?,?}> {

11
test/MC/ARM/basic-thumb-instructions.s
View File

@ -144,3 +144,14 @@ _func:
@ CHECK: cmn r5, r1 @ encoding: [0xcd,0x42]
@------------------------------------------------------------------------------
@ CMP
@------------------------------------------------------------------------------
cmp r6, #32
cmp r3, r4
cmp r8, r1
@ CHECK: cmp r6, #32 @ encoding: [0x20,0x2e]
@ CHECK: cmp r3, r4 @ encoding: [0xa3,0x42]
@ CHECK: cmp r8, r1 @ encoding: [0x88,0x45]