4 Instruction tables - Agner Fog

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K8 BOUND m 6 2 values are for no jump INTO 2 2 values are for no jump String instructions LODS 4 2 2 REP LODS 5 2 2 values are per count STOS 4 2 2 REP STOS 1.5 - 2 0.5 - 1 0.5 - 1 values are per count MOVS 7 3 3 REP MOVS 3 1-2 1-2 values are per count SCAS 5 2 2 REP SCAS 5 2 2 values are per count CMPS 2 3 3 REP CMPS 6 2 2 values are per count Other NOP (90) 1 0 1/3 ALU Long NOP (0F 1F) 1 0 1/3 ALU ENTER i,0 12 12 12 LEAVE 2 3 3 ops, 5 clk if 16 bit CLI 8-9 5 STI 16-17 27 CPUID 22-50 47-164 RDTSC 6 10 7 RDPMC 9 12 7 Floating point x87 instructions <strong>Instruction</strong> Move instructions Operands Ops Latency Reciprocal throughput Execution unit Notes FLD r 1 2 1/2 FA/M FLD m32/64 1 4 1/2 FANY FLD m80 7 16 4 FBLD m80 30 41 39 FST(P) r 1 2 1/2 FA/M FST(P) m32/64 1 3 1 FMISC FSTP m80 10 7 5 FBSTP m80 260 173 160 FXCH r 1 0 0.4 FILD m 1 9 1 FMISC FIST(P) m 1 7 1 FMISC, FA/M FLDZ, FLD1 1 1 FMISC Low latency immedi- FCMOVcc st0,r 9 4-15 4 FMISC, FA/M ately after FCOMI FFREE r 1 2 FANY FINCSTP, FDECSTP 1 0 1/3 FANY Low latency immediately after FCOM FNSTSW AX 2 6-12 12 FMISC, ALU FTST FSTSW AX 3 6-12 12 FMISC, ALU do. Page 20
K8 FNSTSW m16 2 8 FMISC, ALU do. FNSTCW m16 3 1 FMISC, ALU FLDCW m16 18 50 FMISC, ALU faster if unchanged Arithmetic instructions FADD(P),FSUB(R)(P) r/m 1 4 1 FADD FIADD,FISUB(R) m 2 4 1-2 FADD,FMISC FMUL(P) r/m 1 4 1 FMUL FIMUL m 2 4 2 FMUL,FMISC FDIV(R)(P) r/m 1 11-25 8-22 FMUL Low values are for round divisors FIDIV(R) m 2 12-26 9-23 FMUL,FMISC do. FABS, FCHS 1 2 1 FMUL FCOM(P), FUCOM(P) r/m 1 2 1 FADD FCOMPP, FUCOMPP 1 2 1 FADD FCOMI(P) r 1 3 1 FADD FICOM(P) m 2 1 FADD, FMISC FTST 1 2 1 FADD FXAM 2 1 FMISC, ALU FRNDINT 5 10 3 FPREM 1 7-10 8 FMUL FPREM1 1 8-11 8 FMUL Math FSQRT 1 27 12 FMUL FLDPI, etc. 1 1 FMISC FSIN 66 140-190 FCOS 73 150-190 FSINCOS 98 170-200 FPTAN 67 150-180 FPATAN 97 217 FSCALE 5 8 FXTRACT 7 12 7 F2XM1 53 126 FYL2X 72 179 FYL2XP1 75 175 Other FNOP 1 0 1/3 FANY (F)WAIT 1 0 1/3 ALU FNCLEX 8 27 FMISC FNINIT 26 100 FMISC FNSAVE 77 171 FRSTOR 70 136 FXSAVE 61 56 FXRSTOR 101 95 Integer MMX and XMM instructions Page 21
Page 1 and 2: Introduction 4 Instruction tables L
Page 3 and 4: Definition of terms Operands Latenc
Page 5 and 6: Definition of terms It is not possi
Page 7 and 8: AMD K7 AMD K7 List of instruction t
Page 9 and 10: AMD K7 IMUL r32,r32/m32 2 4 2.5 ALU
Page 11 and 12: AMD K7 Other NOP (90) 1 0 1/3 ALU L
Page 13 and 14: AMD K7 PUNPCKH/LBW/WD mm,r/m 1 2 2
Page 15 and 16: AMD K7 Integer instructions PAVGUSB
Page 17 and 18: MOVNTI m,r 1 2-3 AGU MOVZX, MOVSX r
Page 19: RCL, RCR m,1 1 7 4 ALU, AGU RCL m,i
Page 23 and 24: PADDB/W/D/Q PADDSB/W PADDUSB/W PSUB
Page 25 and 26: MAXSS/D MINSS/D r,r/m 1 2 1 FADD MA
Page 27 and 28: K10 MOVNTI m,r 1 1 AGU MOVZX, MOVSX
Page 29 and 30: K10 RCR m,CL 8 7 5 ALU, AGU SHLD, S
Page 31 and 32: K10 FADD(P),FSUB(R)(P) r/m 1 4 1 FA
Page 33 and 34: K10 PADDB/W/D/Q PADDSB/W PADDUSB/W
Page 35 and 36: K10 LDMXCSR m 12 12 10 STMXCSR m 3
Page 37 and 38: Bulldozer Integer instructions Inst
Page 39 and 40: Bulldozer TEST m,r 1 0.5 EX01 TEST
Page 41 and 42: Bulldozer FLD m80 8 14 4 fp FBLD m8
Page 43 and 44: Bulldozer MASKMOVQ mm,mm 31 38 37 P
Page 45 and 46: Bulldozer MOVDDUP x,x 1 2 1 P1 ivec
Page 47 and 48: Logic AND/ANDN/OR/XORPS/ PD VAND/AN
Page 49 and 50: Bobcat AMD Bobcat List of instructi
Page 51 and 52: Bobcat IMUL r16,(r16),i 2 4 3 I0 IM
Page 53 and 54: Bobcat Move instructions FLD r 1 2
Page 55 and 56: Bobcat PUNPCKH/LBW/WD/ DQ PUNPCKH/L
Page 57 and 58: Bobcat MOVSHDUP, MOVSLDUP r,m 2 12
Page 59 and 60: Intel Pentium Intel Pentium and Pen
Page 61 and 62: Intel Pentium REP MOVS 12+n g) np S
Page 63 and 64: s Intel Pentium May be up to 3 cloc
Page 65 and 66: Pentium II and III PUSHF(D) 3 11 1
Page 67 and 68: Pentium II and III a) Faster under
Page 69 and 70: Pentium II and III PMOVMSKB d) r32,
Page 71 and 72:
Pentium M Intel Pentium M, Core Sol
Page 73 and 74:
Pentium M DIV IDIV r16 4 3 1 15-24
Page 75 and 76:
Pentium M FLD r 1 1 1 FLD m32/64 1
Page 77 and 78:
Pentium M MOVNTDQ PACKSSWB/DW m128,
Page 79 and 80:
Pentium M MOVUPS/D m128,xmm 8 4 2 2
Page 81 and 82:
Pentium M RSQRTSS xmm,xmm 1 1 3 1 R
Page 83 and 84:
Merom Move instructions MOV r,r/i 1
Page 85 and 86:
Merom ROR ROL m,i/cl 3 2 x x 1 1 1
Page 87 and 88:
Merom FLDPI FLDL2E etc. 2 2 2 float
Page 89 and 90:
Merom PALIGNR h) xmm,m128,i 2 2 x x
Page 91 and 92:
Merom UNPCKH/LPD xmm,m128 2 1 1 1 f
Page 93 and 94:
Wolfdale Intel Core 2 (Wolfdale, 45
Page 95 and 96:
Wolfdale ADC SBB r,m 2 2 x x x 1 2
Page 97 and 98:
Wolfdale LODS 3 2 1 1 REP LODS 4+7n
Page 99 and 100:
Wolfdale Other FNOP 1 1 1 float 1 W
Page 101 and 102:
Wolfdale Arithmetic instructions PA
Page 103 and 104:
Wolfdale SHUFPS xmm,m128,i 2 1 1 1
Page 105 and 106:
Wolfdale DPPD j) xmm,m128,i 4 4 x x
Page 107 and 108:
Latency: Reciprocal throughput: Neh
Page 109 and 110:
Nehalem CBW CWDE CDQE 1 1 x x x int
Page 111 and 112:
Nehalem Floating point x87 instruct
Page 113 and 114:
Nehalem MOVNTDQA j) PACKSSWB/DW PAC
Page 115 and 116:
Nehalem PHMINPOSUW j) PABSB PABSW P
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Nehalem CVTDQ2PS xmm,xmm 1 1 1 floa
Page 119 and 120:
Sandy Bridge Intel Sandy Bridge Lis
Page 121 and 122:
Sandy Bridge INC DEC NEG NOT r 1 1
Page 123 and 124:
Sandy Bridge CALL m 3 2 1 2 1 2 RET
Page 125 and 126:
Sandy Bridge FYL2XP1 464 464 726 FP
Page 127 and 128:
Sandy Bridge PCMPEQ/GTB/W/D (x)mm,m
Page 129 and 130:
Sandy Bridge MOVMSKPS/D r32,x 1 1 1
Page 131 and 132:
Sandy Bridge ADDSS/D SUBSS/D x,x 1
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Pentium 4 Intel Pentium 4 List of i
Page 135 and 136:
Pentium 4 SFENCE 4 2 40 sse LFENCE
Page 137 and 138:
Pentium 4 RETF i 4 33 11 0 86 IRET
Page 139 and 140:
Pentium 4 Math FSQRT 1 0 43 0 43 1
Page 141 and 142:
Pentium 4 PMIN/MAXSW r,r/m 1 0 2 1
Page 143 and 144:
Pentium 4 h) Throughput of FP-MUL u
Page 145 and 146:
Prescott MOV r64,i64 2 0 0 1 1 alu1
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Prescott IDIV r8/m8 1 21 76 0 34 1
Page 149 and 150:
Prescott RDPMC (bit 31 = 1) 1 37 10
Page 151 and 152:
Prescott Other FNOP 1 0 1 0 1 0 mov
Page 153 and 154:
Prescott Other EMMS Notes: 10 10 12
Page 155 and 156:
Atom Intel Atom List of instruction
Page 157 and 158:
Atom IMUL r16,r16 2 ALU0, Mul 6 5 I
Page 159 and 160:
Atom NOP (90) 1 ALU0/1 1/2 Long NOP
Page 161 and 162:
Atom PACKSSWB/DW PACKUSWB (x)mm, (x
Page 163 and 164:
Atom HADDPS HSUBPS xmm,xmm 5 FP0+1
Page 165 and 166:
VIA Nano 2000 MOVSX MOVSXD MOVZX r,
Page 167 and 168:
VIA Nano 2000 SETcc m 1 CLC STC CMC
Page 169 and 170:
VIA Nano 2000 FABS 1 MB 1 1 FCHS 1
Page 171 and 172:
VIA Nano 2000 Floating point XMM in
Page 173 and 174:
VIA Nano 2000 REP XCRYPTECB 192 bit
Page 175 and 176:
Nano 3000 MOVSX MOVZX r,r 1 I12 1 1
Page 177 and 178:
Nano 3000 Control transfer instruct
Page 179 and 180:
Nano 3000 FCOMPP FUCOMPP 1 MB 1 FCO
Page 181 and 182:
PABSB PABSW PABSD PSIGNB PSIGNW PSI
Page 183:
Nano 3000 Other LDMXCSR m32 31 STMX
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4 Instruction tables - Agner Fog

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