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ARM assembly parsing and encoding updates.

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Tests for SMULBB, SMLALBT, SMLALTB, SMLALTT, and SMULL. Fix parsing of SMULLS.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135817 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2011-07-22 22:06:05 +00:00
parent 256535f136
commit bf2845c0d8
2 changed files with 31 additions and 1 deletions
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2
lib/Target/ARM/AsmParser/ARMAsmParser.cpp
View File

@ -2153,7 +2153,7 @@ StringRef ARMAsmParser::SplitMnemonic(StringRef Mnemonic,
// First, split out any predication code. Ignore mnemonics we know aren't
// 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 != "muls" && Mnemonic != "smlals" && Mnemonic != "smulls") {
unsigned CC = StringSwitch<unsigned>(Mnemonic.substr(Mnemonic.size()-2))
.Case("eq", ARMCC::EQ)
.Case("ne", ARMCC::NE)

30
test/MC/ARM/basic-arm-instructions.s
View File

@ -1550,6 +1550,36 @@ _func:
@ CHECK: smuadlt r2, r3, r4 @ encoding: [0x13,0xf4,0x02,0xb7]
@ CHECK: smuadxge r3, r2, r1 @ encoding: [0x32,0xf1,0x03,0xa7]
@------------------------------------------------------------------------------
@ SMULBB/SMLALBT/SMLALTB/SMLALTT
@------------------------------------------------------------------------------
smulbb r3, r9, r0
smulbt r5, r4, r1
smultb r4, r2, r2
smultt r8, r3, r4
smulbbge r1, r9, r0
smulbtle r5, r6, r4
smultbne r2, r3, r2
smultteq r8, r3, r4
@ CHECK: smulbb r3, r9, r0 @ encoding: [0x89,0x00,0x63,0xe1]
@ CHECK: smulbt r5, r4, r1 @ encoding: [0xc4,0x01,0x65,0xe1]
@ CHECK: smultb r4, r2, r2 @ encoding: [0xa2,0x02,0x64,0xe1]
@ CHECK: smultt r8, r3, r4 @ encoding: [0xe3,0x04,0x68,0xe1]
@ CHECK: smulbbge r1, r9, r0 @ encoding: [0x89,0x00,0x61,0xa1]
@ CHECK: smulbtle r5, r6, r4 @ encoding: [0xc6,0x04,0x65,0xd1]
@ CHECK: smultbne r2, r3, r2 @ encoding: [0xa3,0x02,0x62,0x11]
@ CHECK: smultteq r8, r3, r4 @ encoding: [0xe3,0x04,0x68,0x01]
@------------------------------------------------------------------------------
@ SMULL
@------------------------------------------------------------------------------
smull r3, r9, r0, r1
smulls r3, r9, r0, r2
smulleq r8, r3, r4, r5
smullseq r8, r3, r4, r3
@------------------------------------------------------------------------------
@ STM*
@------------------------------------------------------------------------------