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Thumb2 assembly parsing and encoding for SMLALD/SMLALDX. 

llvm-svn: 139906
This commit is contained in:
Jim Grosbach 2011-09-16 16:58:03 +00:00
parent e0891d6915
commit 7a0b90b187
2 changed files with 20 additions and 4 deletions
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8
llvm/lib/Target/ARM/ARMInstrThumb2.td
View File

@ -2624,12 +2624,12 @@ def t2SMLSDX : T2FourReg_mac<0, 0b100, 0b0001, (outs rGPR:$Rd),
"\t$Rd, $Rn, $Rm, $Ra", []>,
Requires<[IsThumb2, HasThumb2DSP]>;
def t2SMLALD : T2FourReg_mac<1, 0b100, 0b1100, (outs rGPR:$Ra,rGPR:$Rd),
(ins rGPR:$Rm, rGPR:$Rn), IIC_iMAC64, "smlald",
"\t$Ra, $Rd, $Rm, $Rn", []>,
(ins rGPR:$Rn, rGPR:$Rm), IIC_iMAC64, "smlald",
"\t$Ra, $Rd, $Rn, $Rm", []>,
Requires<[IsThumb2, HasThumb2DSP]>;
def t2SMLALDX : T2FourReg_mac<1, 0b100, 0b1101, (outs rGPR:$Ra,rGPR:$Rd),
(ins rGPR:$Rm,rGPR:$Rn), IIC_iMAC64, "smlaldx",
"\t$Ra, $Rd, $Rm, $Rn", []>,
(ins rGPR:$Rn,rGPR:$Rm), IIC_iMAC64, "smlaldx",
"\t$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",

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

@ -1822,6 +1822,22 @@ _func:
@ CHECK: smlalttge r8, r3, r8, r4 @ encoding: [0xc8,0xfb,0xb4,0x83]
@------------------------------------------------------------------------------
@ SMLALD/SMLALDX
@------------------------------------------------------------------------------
smlald r2, r3, r5, r8
smlaldx r2, r3, r5, r8
ite eq
smlaldeq r2, r3, r5, r8
smlaldxne r2, r3, r5, r8
@ CHECK: smlald r2, r3, r5, r8 @ encoding: [0xc5,0xfb,0xc8,0x23]
@ CHECK: smlaldx r2, r3, r5, r8 @ encoding: [0xc5,0xfb,0xd8,0x23]
@ CHECK: ite eq @ encoding: [0x0c,0xbf]
@ CHECK: smlaldeq r2, r3, r5, r8 @ encoding: [0xc5,0xfb,0xc8,0x23]
@ CHECK: smlaldxne r2, r3, r5, r8 @ encoding: [0xc5,0xfb,0xd8,0x23]
@------------------------------------------------------------------------------
@ SUB (register)
@------------------------------------------------------------------------------