#BEGIN_LEGAL # #Copyright (c) 2023 Intel Corporation # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # #END_LEGAL INSTRUCTIONS():: { ICLASS : NOP UNAME : NOP0F0D_reg CPL : 3 CATEGORY : WIDENOP EXTENSION : BASE ISA_SET : PREFETCH_NOP COMMENT : AMD 3DNOW prefetches that do not touch memory. This is the reg/reg form. PATTERN : 0x0F 0x0D MOD[0b11] MOD=3 REG[rrr] RM[nnn] OPERANDS : REG0=GPRv_B():r REG1=GPRv_R():r IFORM : NOP_GPRv_GPRv_0F0D } # The rest are all mem forms (MODRM.MOD!=3) { ICLASS : PREFETCH_EXCLUSIVE CPL : 3 ATTRIBUTES: PREFETCH CATEGORY : PREFETCH EXTENSION : 3DNOW_PREFETCH ISA_SET : PREFETCH_NOP PATTERN : 0x0F 0x0D MOD[mm] MOD!=3 REG[0b000] RM[nnn] MODRM() OPERANDS : MEM0:r:mprefetch } { ICLASS : PREFETCHW CPL : 3 ATTRIBUTES: PREFETCH CATEGORY : PREFETCH EXTENSION : 3DNOW_PREFETCH COMMENT : was PREFETCH_MODIFIED, prefetch on >=broadwell and >=silvermont ISA_SET : PREFETCH_NOP PATTERN : 0x0F 0x0D MOD[mm] MOD!=3 REG[0b001] RM[nnn] MODRM() OPERANDS : MEM0:r:mprefetch IFORM : PREFETCHW_0F0Dr1 } { ICLASS : PREFETCH_RESERVED CPL : 3 ATTRIBUTES: PREFETCH CATEGORY : PREFETCH EXTENSION : 3DNOW_PREFETCH ISA_SET : PREFETCH_NOP PATTERN : 0x0F 0x0D MOD[mm] MOD!=3 REG[0b010] RM[nnn] MODRM() OPERANDS : MEM0:r:mprefetch IFORM : PREFETCH_RESERVED_0F0Dr2 UNAME : PREFETCH_RESERVED_0F0Dr2 } { ICLASS : PREFETCHW CPL : 3 ATTRIBUTES: PREFETCH CATEGORY : PREFETCH EXTENSION : 3DNOW_PREFETCH COMMENT : was PREFETCH_MODIFIED ISA_SET : PREFETCH_NOP PATTERN : 0x0F 0x0D MOD[mm] MOD!=3 REG[0b011] RM[nnn] MODRM() OPERANDS : MEM0:r:mprefetch IFORM : PREFETCHW_0F0Dr3 } { ICLASS : PREFETCH_RESERVED CPL : 3 ATTRIBUTES: PREFETCH CATEGORY : PREFETCH EXTENSION : 3DNOW_PREFETCH ISA_SET : PREFETCH_NOP PATTERN : 0x0F 0x0D MOD[mm] MOD!=3 REG[0b100] RM[nnn] MODRM() OPERANDS : MEM0:r:mprefetch IFORM : PREFETCH_RESERVED_0F0Dr4 PATTERN : 0x0F 0x0D MOD[mm] MOD!=3 REG[0b101] RM[nnn] MODRM() OPERANDS : MEM0:r:mprefetch IFORM : PREFETCH_RESERVED_0F0Dr5 PATTERN : 0x0F 0x0D MOD[mm] MOD!=3 REG[0b110] RM[nnn] MODRM() OPERANDS : MEM0:r:mprefetch IFORM : PREFETCH_RESERVED_0F0Dr6 PATTERN : 0x0F 0x0D MOD[mm] MOD!=3 REG[0b111] RM[nnn] MODRM() OPERANDS : MEM0:r:mprefetch IFORM : PREFETCH_RESERVED_0F0Dr7 }