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Thumb assembly parsing and encoding for LSL(immediate).

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138063 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2011-08-19 19:29:25 +00:00
parent 05b0156734
commit 1b7b68f087
4 changed files with 23 additions and 2 deletions
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2
lib/Target/ARM/ARMInstrThumb.td
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@ -970,7 +970,7 @@ def tEOR : // A8.6.45
// LSL immediate
def tLSLri : // A8.6.88
T1sIGenEncodeImm<{0,0,0,?,?}, (outs tGPR:$Rd), (ins tGPR:$Rm, i32imm:$imm5),
T1sIGenEncodeImm<{0,0,0,?,?}, (outs tGPR:$Rd), (ins tGPR:$Rm, imm0_31:$imm5),
IIC_iMOVsi,
"lsl", "\t$Rd, $Rm, $imm5",
[(set tGPR:$Rd, (shl tGPR:$Rm, (i32 imm:$imm5)))]> {

2
lib/Target/ARM/AsmParser/ARMAsmParser.cpp
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@ -2728,7 +2728,7 @@ StringRef ARMAsmParser::splitMnemonic(StringRef Mnemonic,
// predicated but do have a carry-set and so weren't caught above.
if (Mnemonic != "adcs" && Mnemonic != "bics" && Mnemonic != "movs" &&
Mnemonic != "muls" && Mnemonic != "smlals" && Mnemonic != "smulls" &&
Mnemonic != "umlals" && Mnemonic != "umulls") {
Mnemonic != "umlals" && Mnemonic != "umulls" && Mnemonic != "lsls") {
unsigned CC = StringSwitch<unsigned>(Mnemonic.substr(Mnemonic.size()-2))
.Case("eq", ARMCC::EQ)
.Case("ne", ARMCC::NE)

10
test/MC/ARM/basic-thumb-instructions.s
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@ -260,3 +260,13 @@ _func:
@ CHECK: ldrsb r6, [r2, r6] @ encoding: [0x96,0x57]
@ CHECK: ldrsh r3, [r7, r1] @ encoding: [0x7b,0x5e]
@------------------------------------------------------------------------------
@ LSL (immediate)
@------------------------------------------------------------------------------
lsls r4, r5, #0
lsls r4, r5, #4
@ CHECK: lsls r4, r5, #0 @ encoding: [0x2c,0x00]
@ CHECK: lsls r4, r5, #4 @ encoding: [0x2c,0x01]

11
test/MC/ARM/thumb-diagnostics.s
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@ -49,3 +49,14 @@ error: invalid operand for instruction
@ CHECK-ERRORS: error: writeback operator '!' expected
@ CHECK-ERRORS: ldm r2, {r5, r7}
@ CHECK-ERRORS: ^
@ Out of range immediates for LSL instruction.
lsls r4, r5, #-1
lsls r4, r5, #32
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: lsls r4, r5, #-1
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: lsls r4, r5, #32
@ CHECK-ERRORS: ^