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GP-1780 implemented popcnt instruction

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James 2022-03-02 18:21:15 +00:00
parent e51e10a362
commit 6d8e2c737d
1 changed files with 11 additions and 5 deletions
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16
Ghidra/Processors/x86/data/languages/ia.sinc
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@ -8611,14 +8611,20 @@ define pcodeop pcmpgtq;
:PCMPGTQ XmmReg, m128 is vexMode=0 & $(PRE_66) & byte=0x0F; byte=0x38; byte=0x37; XmmReg ... & m128 { XmmReg = pcmpgtq(XmmReg, m128); }
:PCMPGTQ XmmReg1, XmmReg2 is vexMode=0 & $(PRE_66) & byte=0x0F; byte=0x38; byte=0x37; xmmmod=3 & XmmReg1 & XmmReg2 { XmmReg1 = pcmpgtq(XmmReg1, XmmReg2); }
define pcodeop popcnt;
:POPCNT Reg16, rm16 is vexMode=0 & opsize=0 & $(PRE_F3) & byte=0x0F; byte=0xB8; Reg16 ... & rm16 { Reg16 = popcnt(rm16); }
:POPCNT Reg32, rm32 is vexMode=0 & opsize=1 & $(PRE_F3) & byte=0x0F; byte=0xB8; Reg32 ... & check_Reg32_dest ... & rm32 { Reg32 = popcnt(rm32); build check_Reg32_dest; }
macro popcountflags(src){
OF = 0:1;
SF = 0:1;
AF = 0:1;
CF = 0:1;
PF = 0:1;
ZF = (src == 0);
}
:POPCNT Reg16, rm16 is vexMode=0 & opsize=0 & $(PRE_F3) & byte=0x0F; byte=0xB8; Reg16 ... & rm16 { popcountflags(rm16); Reg16 = popcount(rm16); }
:POPCNT Reg32, rm32 is vexMode=0 & opsize=1 & $(PRE_F3) & byte=0x0F; byte=0xB8; Reg32 ... & check_Reg32_dest ... & rm32 { popcountflags(rm32); Reg32 = popcount(rm32); build check_Reg32_dest; }
@ifdef IA64
:POPCNT Reg64, rm64 is $(LONGMODE_ON) & vexMode=0 & opsize=2 & $(PRE_F3) & $(REX_W) & byte=0x0F; byte=0xB8; Reg64 ... & rm64 { Reg64 = popcnt(rm64); }
:POPCNT Reg64, rm64 is $(LONGMODE_ON) & vexMode=0 & opsize=2 & $(PRE_F3) & $(REX_W) & byte=0x0F; byte=0xB8; Reg64 ... & rm64 { popcountflags(rm64); Reg64 = popcount(rm64); }
@endif
####
#### AESNI instructions
####