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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.

llvm-svn: 135817
This commit is contained in:
Jim Grosbach 2011-07-22 22:06:05 +00:00
parent 482060e67b
commit a7a6658647
2 changed files with 31 additions and 1 deletions
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2
lib/Target/ARM/AsmParser/ARMAsmParser.cpp
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@ -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*
@------------------------------------------------------------------------------