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Thumb2 assembly parsing and encoding for SMLSLD/SMLSLDX.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139909 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2011-09-16 17:10:44 +00:00
parent 920ad2b681
commit 7ff2472b82
2 changed files with 19 additions and 3 deletions
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6
lib/Target/ARM/ARMInstrThumb2.td
View File

@ -2632,12 +2632,12 @@ def t2SMLALDX : T2FourReg_mac<1, 0b100, 0b1101, (outs rGPR:$Ra,rGPR:$Rd),
"\t$Ra, $Rd, $Rn, $Rm", []>,
Requires<[IsThumb2, HasThumb2DSP]>;
def t2SMLSLD : T2FourReg_mac<1, 0b101, 0b1100, (outs rGPR:$Ra,rGPR:$Rd),
(ins rGPR:$Rm,rGPR:$Rn), IIC_iMAC64, "smlsld",
"\t$Ra, $Rd, $Rm, $Rn", []>,
(ins rGPR:$Rn,rGPR:$Rm), IIC_iMAC64, "smlsld",
"\t$Ra, $Rd, $Rn, $Rm", []>,
Requires<[IsThumb2, HasThumb2DSP]>;
def t2SMLSLDX : T2FourReg_mac<1, 0b101, 0b1101, (outs rGPR:$Ra,rGPR:$Rd),
(ins rGPR:$Rm,rGPR:$Rn), IIC_iMAC64, "smlsldx",
"\t$Ra, $Rd, $Rm, $Rn", []>,
"\t$Ra, $Rd, $Rn, $Rm", []>,
Requires<[IsThumb2, HasThumb2DSP]>;
//===----------------------------------------------------------------------===//

16
test/MC/ARM/basic-thumb2-instructions.s
View File

@ -1870,6 +1870,22 @@ _func:
@ CHECK: smlsdxgt r2, r3, r5, r8 @ encoding: [0x43,0xfb,0x15,0x82]
@------------------------------------------------------------------------------
@ SMLSLD/SMLSLDX
@------------------------------------------------------------------------------
smlsld r2, r9, r5, r1
smlsldx r4, r11, r2, r8
ite ge
smlsldge r8, r2, r5, r6
smlsldxlt r1, r0, r3, r8
@ CHECK: smlsld r2, r9, r5, r1 @ encoding: [0xd5,0xfb,0xc1,0x29]
@ CHECK: smlsldx r4, r11, r2, r8 @ encoding: [0xd2,0xfb,0xd8,0x4b]
@ CHECK: ite ge @ encoding: [0xac,0xbf]
@ CHECK: smlsldge r8, r2, r5, r6 @ encoding: [0xd5,0xfb,0xc6,0x82]
@ CHECK: smlsldxlt r1, r0, r3, r8 @ encoding: [0xd3,0xfb,0xd8,0x10]
@------------------------------------------------------------------------------
@ SUB (register)
@------------------------------------------------------------------------------