4 Instruction tables - Agner Fog

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Bobcat Math SQRTSS r,r/m 1 14 14 FP1 SQRTPS r,r/m 2 48 48 FP1 SQRTSD r,r/m 1 24 24 FP1 SQRTPD r,r/m 2 48 48 FP1 RSQRTSS r,r/m 1 3 1 FP1 RSQRTPS r,r/m 2 3 2 FP1 Other LDMXCSR m 12 10 FP0, FP1 STMXCSR m 3 11 FP0, FP1 Page 58
Intel Pentium Intel Pentium and Pentium MMX List of instruction timings Explanation of column headings: Operands r = register, accum = al, ax or eax, m = memory, i = immediate data, sr = segment register, m32 = 32 bit memory operand, etc. Clock cycles Pairability The numbers are minimum values. Cache misses, misalignment, and exceptions may increase the clock counts considerably. u = pairable in u-pipe, v = pairable in v-pipe, uv = pairable in either pipe, np = not pairable. Integer instructions (Pentium and Pentium MMX) <strong>Instruction</strong> Operands Clock cycles Pairability NOP 1 uv MOV r/m, r/m/i 1 uv MOV r/m, sr 1 np MOV sr , r/m >= 2 b) np MOV m , accum 1 uv h) XCHG (E)AX, r 2 np XCHG r , r 3 np XCHG r , m >15 np XLAT 4 np PUSH r/i 1 uv POP r 1 uv PUSH m 2 np POP m 3 np PUSH sr 1 b) np POP sr >= 3 b) np PUSHF 3-5 np POPF 4-6 np PUSHA POPA 5-9 i) np PUSHAD POPAD 5 np LAHF SAHF 2 np MOVSX MOVZX r , r/m 3 a) np LEA r , m 1 uv LDS LES LFS LGS LSS m 4 c) np ADD SUB AND OR XOR r , r/i 1 uv ADD SUB AND OR XOR r , m 2 uv ADD SUB AND OR XOR m , r/i 3 uv ADC SBB r , r/i 1 u ADC SBB r , m 2 u ADC SBB m , r/i 3 u CMP r , r/i 1 uv CMP m , r/i 2 uv TEST r , r 1 uv TEST m , r 2 uv TEST r , i 1 f) Page 59
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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 and 20: RCL, RCR m,1 1 7 4 ALU, AGU RCL m,i
Page 21 and 22: K8 FNSTSW m16 2 8 FMISC, ALU do. FN
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: Bobcat MOVSHDUP, MOVSLDUP r,m 2 12
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
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Nehalem CBW CWDE CDQE 1 1 x x x int
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Nehalem Floating point x87 instruct
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Nehalem MOVNTDQA j) PACKSSWB/DW PAC
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Nehalem PHMINPOSUW j) PABSB PABSW P
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Nehalem CVTDQ2PS xmm,xmm 1 1 1 floa
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Sandy Bridge Intel Sandy Bridge Lis
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Sandy Bridge INC DEC NEG NOT r 1 1
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Sandy Bridge CALL m 3 2 1 2 1 2 RET
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Sandy Bridge FYL2XP1 464 464 726 FP
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Sandy Bridge PCMPEQ/GTB/W/D (x)mm,m
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Sandy Bridge MOVMSKPS/D r32,x 1 1 1
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Sandy Bridge ADDSS/D SUBSS/D x,x 1
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Pentium 4 Intel Pentium 4 List of i
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Pentium 4 SFENCE 4 2 40 sse LFENCE
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Pentium 4 RETF i 4 33 11 0 86 IRET
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Pentium 4 Math FSQRT 1 0 43 0 43 1
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Pentium 4 PMIN/MAXSW r,r/m 1 0 2 1
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Pentium 4 h) Throughput of FP-MUL u
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Prescott MOV r64,i64 2 0 0 1 1 alu1
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Prescott IDIV r8/m8 1 21 76 0 34 1
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Prescott RDPMC (bit 31 = 1) 1 37 10
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Prescott Other FNOP 1 0 1 0 1 0 mov
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Prescott Other EMMS Notes: 10 10 12
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Atom Intel Atom List of instruction
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Atom IMUL r16,r16 2 ALU0, Mul 6 5 I
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Atom NOP (90) 1 ALU0/1 1/2 Long NOP
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Atom PACKSSWB/DW PACKUSWB (x)mm, (x
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Atom HADDPS HSUBPS xmm,xmm 5 FP0+1
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VIA Nano 2000 MOVSX MOVSXD MOVZX r,
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VIA Nano 2000 SETcc m 1 CLC STC CMC
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VIA Nano 2000 FABS 1 MB 1 1 FCHS 1
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VIA Nano 2000 Floating point XMM in
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VIA Nano 2000 REP XCRYPTECB 192 bit
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Nano 3000 MOVSX MOVZX r,r 1 I12 1 1
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Nano 3000 Control transfer instruct
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Nano 3000 FCOMPP FUCOMPP 1 MB 1 FCO
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PABSB PABSW PABSD PSIGNB PSIGNW PSI
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Nano 3000 Other LDMXCSR m32 31 STMX
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4 Instruction tables - Agner Fog

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