| ;***************************************************************************** |
| ;* x86inc.asm: x264asm abstraction layer |
| ;***************************************************************************** |
| ;* Copyright (C) 2005-2019 x264 project |
| ;* |
| ;* Authors: Loren Merritt <lorenm@u.washington.edu> |
| ;* Henrik Gramner <henrik@gramner.com> |
| ;* Anton Mitrofanov <BugMaster@narod.ru> |
| ;* Fiona Glaser <fiona@x264.com> |
| ;* |
| ;* Permission to use, copy, modify, and/or distribute this software for any |
| ;* purpose with or without fee is hereby granted, provided that the above |
| ;* copyright notice and this permission notice appear in all copies. |
| ;* |
| ;* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| ;* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| ;* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| ;* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| ;* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| ;* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| ;* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| ;***************************************************************************** |
| |
| ; This is a header file for the x264ASM assembly language, which uses |
| ; NASM/YASM syntax combined with a large number of macros to provide easy |
| ; abstraction between different calling conventions (x86_32, win64, linux64). |
| ; It also has various other useful features to simplify writing the kind of |
| ; DSP functions that are most often used in x264. |
| |
| ; Unlike the rest of x264, this file is available under an ISC license, as it |
| ; has significant usefulness outside of x264 and we want it to be available |
| ; to the largest audience possible. Of course, if you modify it for your own |
| ; purposes to add a new feature, we strongly encourage contributing a patch |
| ; as this feature might be useful for others as well. Send patches or ideas |
| ; to x264-devel@videolan.org . |
| |
| %include "config/aom_config.asm" |
| |
| %ifndef private_prefix |
| %define private_prefix aom |
| %endif |
| |
| %ifndef public_prefix |
| %define public_prefix private_prefix |
| %endif |
| |
| %ifndef STACK_ALIGNMENT |
| %if ARCH_X86_64 |
| %define STACK_ALIGNMENT 16 |
| %else |
| %define STACK_ALIGNMENT 4 |
| %endif |
| %endif |
| |
| %define WIN64 0 |
| %define UNIX64 0 |
| %if ARCH_X86_64 |
| %ifidn __OUTPUT_FORMAT__,win32 |
| %define WIN64 1 |
| %elifidn __OUTPUT_FORMAT__,win64 |
| %define WIN64 1 |
| %elifidn __OUTPUT_FORMAT__,x64 |
| %define WIN64 1 |
| %else |
| %define UNIX64 1 |
| %endif |
| %endif |
| |
| %define FORMAT_ELF 0 |
| %define FORMAT_MACHO 0 |
| %ifidn __OUTPUT_FORMAT__,elf |
| %define FORMAT_ELF 1 |
| %elifidn __OUTPUT_FORMAT__,elf32 |
| %define FORMAT_ELF 1 |
| %elifidn __OUTPUT_FORMAT__,elf64 |
| %define FORMAT_ELF 1 |
| %elifidn __OUTPUT_FORMAT__,macho |
| %define FORMAT_MACHO 1 |
| %elifidn __OUTPUT_FORMAT__,macho32 |
| %define FORMAT_MACHO 1 |
| %elifidn __OUTPUT_FORMAT__,macho64 |
| %define FORMAT_MACHO 1 |
| %endif |
| |
| ; Set PREFIX for libaom builds. |
| %if FORMAT_ELF |
| %undef PREFIX |
| %elif WIN64 |
| %undef PREFIX |
| %else |
| %define PREFIX |
| %endif |
| |
| %ifdef PREFIX |
| %define mangle(x) _ %+ x |
| %else |
| %define mangle(x) x |
| %endif |
| |
| ; In some instances macho32 tables get misaligned when using .rodata. |
| ; When looking at the disassembly it appears that the offset is either |
| ; correct or consistently off by 90. Placing them in the .text section |
| ; works around the issue. It appears to be specific to the way libaom |
| ; handles the tables. |
| %macro SECTION_RODATA 0-1 16 |
| %ifidn __OUTPUT_FORMAT__,win32 |
| SECTION .rdata align=%1 |
| %elif WIN64 |
| SECTION .rdata align=%1 |
| %elifidn __OUTPUT_FORMAT__,macho32 |
| SECTION .text align=%1 |
| fakegot: |
| %elifidn __OUTPUT_FORMAT__,aout |
| SECTION .text |
| %else |
| SECTION .rodata align=%1 |
| %endif |
| %endmacro |
| |
| ; PIC macros from aom_ports/x86_abi_support.asm. |
| %ifidn __OUTPUT_FORMAT__,elf32 |
| %define ABI_IS_32BIT 1 |
| %elifidn __OUTPUT_FORMAT__,macho32 |
| %define ABI_IS_32BIT 1 |
| %elifidn __OUTPUT_FORMAT__,win32 |
| %define ABI_IS_32BIT 1 |
| %elifidn __OUTPUT_FORMAT__,aout |
| %define ABI_IS_32BIT 1 |
| %else |
| %define ABI_IS_32BIT 0 |
| %endif |
| |
| %if ABI_IS_32BIT |
| %if CONFIG_PIC=1 |
| %ifidn __OUTPUT_FORMAT__,elf32 |
| %define GET_GOT_DEFINED 1 |
| %define WRT_PLT wrt ..plt |
| %macro GET_GOT 1 |
| extern _GLOBAL_OFFSET_TABLE_ |
| push %1 |
| call %%get_got |
| %%sub_offset: |
| jmp %%exitGG |
| %%get_got: |
| mov %1, [esp] |
| add %1, _GLOBAL_OFFSET_TABLE_ + $$ - %%sub_offset wrt ..gotpc |
| ret |
| %%exitGG: |
| %undef GLOBAL |
| %define GLOBAL(x) x + %1 wrt ..gotoff |
| %undef RESTORE_GOT |
| %define RESTORE_GOT pop %1 |
| %endmacro |
| %elifidn __OUTPUT_FORMAT__,macho32 |
| %define GET_GOT_DEFINED 1 |
| %macro GET_GOT 1 |
| push %1 |
| call %%get_got |
| %%get_got: |
| pop %1 |
| %undef GLOBAL |
| %define GLOBAL(x) x + %1 - %%get_got |
| %undef RESTORE_GOT |
| %define RESTORE_GOT pop %1 |
| %endmacro |
| %else |
| %define GET_GOT_DEFINED 0 |
| %endif |
| %endif |
| |
| %if ARCH_X86_64 == 0 |
| %undef PIC |
| %endif |
| |
| %else |
| %macro GET_GOT 1 |
| %endmacro |
| %define GLOBAL(x) rel x |
| %define WRT_PLT wrt ..plt |
| |
| %if WIN64 |
| %define PIC |
| %elifidn __OUTPUT_FORMAT__,macho64 |
| %define PIC |
| %elif CONFIG_PIC |
| %define PIC |
| %endif |
| %endif |
| |
| %ifnmacro GET_GOT |
| %macro GET_GOT 1 |
| %endmacro |
| %define GLOBAL(x) x |
| %endif |
| %ifndef RESTORE_GOT |
| %define RESTORE_GOT |
| %endif |
| %ifndef WRT_PLT |
| %define WRT_PLT |
| %endif |
| |
| %ifdef PIC |
| default rel |
| %endif |
| |
| %ifndef GET_GOT_DEFINED |
| %define GET_GOT_DEFINED 0 |
| %endif |
| ; End PIC macros from aom_ports/x86_abi_support.asm. |
| |
| ; libaom explicitly sets visibilty in shared object builds. Avoid setting |
| ; visibility to hidden as it may break builds that split sources on e.g., |
| ; directory boundaries. |
| %ifdef CHROMIUM |
| %define VISIBILITY hidden |
| %define HAVE_PRIVATE_EXTERN 1 |
| %else |
| %define VISIBILITY |
| %define HAVE_PRIVATE_EXTERN 0 |
| %endif |
| |
| %ifdef __NASM_VER__ |
| %use smartalign |
| %if __NASM_VERSION_ID__ < 0x020e0000 ; 2.14 |
| %define HAVE_PRIVATE_EXTERN 0 |
| %endif |
| %endif |
| |
| ; Macros to eliminate most code duplication between x86_32 and x86_64: |
| ; Currently this works only for leaf functions which load all their arguments |
| ; into registers at the start, and make no other use of the stack. Luckily that |
| ; covers most of x264's asm. |
| |
| ; PROLOGUE: |
| ; %1 = number of arguments. loads them from stack if needed. |
| ; %2 = number of registers used. pushes callee-saved regs if needed. |
| ; %3 = number of xmm registers used. pushes callee-saved xmm regs if needed. |
| ; %4 = (optional) stack size to be allocated. The stack will be aligned before |
| ; allocating the specified stack size. If the required stack alignment is |
| ; larger than the known stack alignment the stack will be manually aligned |
| ; and an extra register will be allocated to hold the original stack |
| ; pointer (to not invalidate r0m etc.). To prevent the use of an extra |
| ; register as stack pointer, request a negative stack size. |
| ; %4+/%5+ = list of names to define to registers |
| ; PROLOGUE can also be invoked by adding the same options to cglobal |
| |
| ; e.g. |
| ; cglobal foo, 2,3,7,0x40, dst, src, tmp |
| ; declares a function (foo) that automatically loads two arguments (dst and |
| ; src) into registers, uses one additional register (tmp) plus 7 vector |
| ; registers (m0-m6) and allocates 0x40 bytes of stack space. |
| |
| ; TODO Some functions can use some args directly from the stack. If they're the |
| ; last args then you can just not declare them, but if they're in the middle |
| ; we need more flexible macro. |
| |
| ; RET: |
| ; Pops anything that was pushed by PROLOGUE, and returns. |
| |
| ; REP_RET: |
| ; Use this instead of RET if it's a branch target. |
| |
| ; registers: |
| ; rN and rNq are the native-size register holding function argument N |
| ; rNd, rNw, rNb are dword, word, and byte size |
| ; rNh is the high 8 bits of the word size |
| ; rNm is the original location of arg N (a register or on the stack), dword |
| ; rNmp is native size |
| |
| %macro DECLARE_REG 2-3 |
| %define r%1q %2 |
| %define r%1d %2d |
| %define r%1w %2w |
| %define r%1b %2b |
| %define r%1h %2h |
| %define %2q %2 |
| %if %0 == 2 |
| %define r%1m %2d |
| %define r%1mp %2 |
| %elif ARCH_X86_64 ; memory |
| %define r%1m [rstk + stack_offset + %3] |
| %define r%1mp qword r %+ %1 %+ m |
| %else |
| %define r%1m [rstk + stack_offset + %3] |
| %define r%1mp dword r %+ %1 %+ m |
| %endif |
| %define r%1 %2 |
| %endmacro |
| |
| %macro DECLARE_REG_SIZE 3 |
| %define r%1q r%1 |
| %define e%1q r%1 |
| %define r%1d e%1 |
| %define e%1d e%1 |
| %define r%1w %1 |
| %define e%1w %1 |
| %define r%1h %3 |
| %define e%1h %3 |
| %define r%1b %2 |
| %define e%1b %2 |
| %if ARCH_X86_64 == 0 |
| %define r%1 e%1 |
| %endif |
| %endmacro |
| |
| DECLARE_REG_SIZE ax, al, ah |
| DECLARE_REG_SIZE bx, bl, bh |
| DECLARE_REG_SIZE cx, cl, ch |
| DECLARE_REG_SIZE dx, dl, dh |
| DECLARE_REG_SIZE si, sil, null |
| DECLARE_REG_SIZE di, dil, null |
| DECLARE_REG_SIZE bp, bpl, null |
| |
| ; t# defines for when per-arch register allocation is more complex than just function arguments |
| |
| %macro DECLARE_REG_TMP 1-* |
| %assign %%i 0 |
| %rep %0 |
| CAT_XDEFINE t, %%i, r%1 |
| %assign %%i %%i+1 |
| %rotate 1 |
| %endrep |
| %endmacro |
| |
| %macro DECLARE_REG_TMP_SIZE 0-* |
| %rep %0 |
| %define t%1q t%1 %+ q |
| %define t%1d t%1 %+ d |
| %define t%1w t%1 %+ w |
| %define t%1h t%1 %+ h |
| %define t%1b t%1 %+ b |
| %rotate 1 |
| %endrep |
| %endmacro |
| |
| DECLARE_REG_TMP_SIZE 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14 |
| |
| %if ARCH_X86_64 |
| %define gprsize 8 |
| %else |
| %define gprsize 4 |
| %endif |
| |
| %macro LEA 2 |
| %if ARCH_X86_64 |
| lea %1, [%2] |
| %elif PIC |
| call $+5 ; special-cased to not affect the RSB on most CPU:s |
| pop %1 |
| add %1, (%2)-$+1 |
| %else |
| mov %1, %2 |
| %endif |
| %endmacro |
| |
| %macro PUSH 1 |
| push %1 |
| %ifidn rstk, rsp |
| %assign stack_offset stack_offset+gprsize |
| %endif |
| %endmacro |
| |
| %macro POP 1 |
| pop %1 |
| %ifidn rstk, rsp |
| %assign stack_offset stack_offset-gprsize |
| %endif |
| %endmacro |
| |
| %macro PUSH_IF_USED 1-* |
| %rep %0 |
| %if %1 < regs_used |
| PUSH r%1 |
| %endif |
| %rotate 1 |
| %endrep |
| %endmacro |
| |
| %macro POP_IF_USED 1-* |
| %rep %0 |
| %if %1 < regs_used |
| pop r%1 |
| %endif |
| %rotate 1 |
| %endrep |
| %endmacro |
| |
| %macro LOAD_IF_USED 1-* |
| %rep %0 |
| %if %1 < num_args |
| mov r%1, r %+ %1 %+ mp |
| %endif |
| %rotate 1 |
| %endrep |
| %endmacro |
| |
| %macro SUB 2 |
| sub %1, %2 |
| %ifidn %1, rstk |
| %assign stack_offset stack_offset+(%2) |
| %endif |
| %endmacro |
| |
| %macro ADD 2 |
| add %1, %2 |
| %ifidn %1, rstk |
| %assign stack_offset stack_offset-(%2) |
| %endif |
| %endmacro |
| |
| %macro movifnidn 2 |
| %ifnidn %1, %2 |
| mov %1, %2 |
| %endif |
| %endmacro |
| |
| %if ARCH_X86_64 == 0 |
| %define movsxd movifnidn |
| %endif |
| |
| %macro movsxdifnidn 2 |
| %ifnidn %1, %2 |
| movsxd %1, %2 |
| %endif |
| %endmacro |
| |
| %macro ASSERT 1 |
| %if (%1) == 0 |
| %error assertion ``%1'' failed |
| %endif |
| %endmacro |
| |
| %macro DEFINE_ARGS 0-* |
| %ifdef n_arg_names |
| %assign %%i 0 |
| %rep n_arg_names |
| CAT_UNDEF arg_name %+ %%i, q |
| CAT_UNDEF arg_name %+ %%i, d |
| CAT_UNDEF arg_name %+ %%i, w |
| CAT_UNDEF arg_name %+ %%i, h |
| CAT_UNDEF arg_name %+ %%i, b |
| CAT_UNDEF arg_name %+ %%i, m |
| CAT_UNDEF arg_name %+ %%i, mp |
| CAT_UNDEF arg_name, %%i |
| %assign %%i %%i+1 |
| %endrep |
| %endif |
| |
| %xdefine %%stack_offset stack_offset |
| %undef stack_offset ; so that the current value of stack_offset doesn't get baked in by xdefine |
| %assign %%i 0 |
| %rep %0 |
| %xdefine %1q r %+ %%i %+ q |
| %xdefine %1d r %+ %%i %+ d |
| %xdefine %1w r %+ %%i %+ w |
| %xdefine %1h r %+ %%i %+ h |
| %xdefine %1b r %+ %%i %+ b |
| %xdefine %1m r %+ %%i %+ m |
| %xdefine %1mp r %+ %%i %+ mp |
| CAT_XDEFINE arg_name, %%i, %1 |
| %assign %%i %%i+1 |
| %rotate 1 |
| %endrep |
| %xdefine stack_offset %%stack_offset |
| %assign n_arg_names %0 |
| %endmacro |
| |
| %define required_stack_alignment ((mmsize + 15) & ~15) |
| %define vzeroupper_required (mmsize > 16 && (ARCH_X86_64 == 0 || xmm_regs_used > 16 || notcpuflag(avx512))) |
| %define high_mm_regs (16*cpuflag(avx512)) |
| |
| %macro ALLOC_STACK 1-2 0 ; stack_size, n_xmm_regs (for win64 only) |
| %ifnum %1 |
| %if %1 != 0 |
| %assign %%pad 0 |
| %assign stack_size %1 |
| %if stack_size < 0 |
| %assign stack_size -stack_size |
| %endif |
| %if WIN64 |
| %assign %%pad %%pad + 32 ; shadow space |
| %if mmsize != 8 |
| %assign xmm_regs_used %2 |
| %if xmm_regs_used > 8 |
| %assign %%pad %%pad + (xmm_regs_used-8)*16 ; callee-saved xmm registers |
| %endif |
| %endif |
| %endif |
| %if required_stack_alignment <= STACK_ALIGNMENT |
| ; maintain the current stack alignment |
| %assign stack_size_padded stack_size + %%pad + ((-%%pad-stack_offset-gprsize) & (STACK_ALIGNMENT-1)) |
| SUB rsp, stack_size_padded |
| %else |
| %assign %%reg_num (regs_used - 1) |
| %xdefine rstk r %+ %%reg_num |
| ; align stack, and save original stack location directly above |
| ; it, i.e. in [rsp+stack_size_padded], so we can restore the |
| ; stack in a single instruction (i.e. mov rsp, rstk or mov |
| ; rsp, [rsp+stack_size_padded]) |
| %if %1 < 0 ; need to store rsp on stack |
| %xdefine rstkm [rsp + stack_size + %%pad] |
| %assign %%pad %%pad + gprsize |
| %else ; can keep rsp in rstk during whole function |
| %xdefine rstkm rstk |
| %endif |
| %assign stack_size_padded stack_size + ((%%pad + required_stack_alignment-1) & ~(required_stack_alignment-1)) |
| mov rstk, rsp |
| and rsp, ~(required_stack_alignment-1) |
| sub rsp, stack_size_padded |
| movifnidn rstkm, rstk |
| %endif |
| WIN64_PUSH_XMM |
| %endif |
| %endif |
| %endmacro |
| |
| %macro SETUP_STACK_POINTER 1 |
| %ifnum %1 |
| %if %1 != 0 && required_stack_alignment > STACK_ALIGNMENT |
| %if %1 > 0 |
| ; Reserve an additional register for storing the original stack pointer, but avoid using |
| ; eax/rax for this purpose since it can potentially get overwritten as a return value. |
| %assign regs_used (regs_used + 1) |
| %if ARCH_X86_64 && regs_used == 7 |
| %assign regs_used 8 |
| %elif ARCH_X86_64 == 0 && regs_used == 1 |
| %assign regs_used 2 |
| %endif |
| %endif |
| %if ARCH_X86_64 && regs_used < 5 + UNIX64 * 3 |
| ; Ensure that we don't clobber any registers containing arguments. For UNIX64 we also preserve r6 (rax) |
| ; since it's used as a hidden argument in vararg functions to specify the number of vector registers used. |
| %assign regs_used 5 + UNIX64 * 3 |
| %endif |
| %endif |
| %endif |
| %endmacro |
| |
| %macro DEFINE_ARGS_INTERNAL 3+ |
| %ifnum %2 |
| DEFINE_ARGS %3 |
| %elif %1 == 4 |
| DEFINE_ARGS %2 |
| %elif %1 > 4 |
| DEFINE_ARGS %2, %3 |
| %endif |
| %endmacro |
| |
| %if WIN64 ; Windows x64 ;================================================= |
| |
| DECLARE_REG 0, rcx |
| DECLARE_REG 1, rdx |
| DECLARE_REG 2, R8 |
| DECLARE_REG 3, R9 |
| DECLARE_REG 4, R10, 40 |
| DECLARE_REG 5, R11, 48 |
| DECLARE_REG 6, rax, 56 |
| DECLARE_REG 7, rdi, 64 |
| DECLARE_REG 8, rsi, 72 |
| DECLARE_REG 9, rbx, 80 |
| DECLARE_REG 10, rbp, 88 |
| DECLARE_REG 11, R14, 96 |
| DECLARE_REG 12, R15, 104 |
| DECLARE_REG 13, R12, 112 |
| DECLARE_REG 14, R13, 120 |
| |
| %macro PROLOGUE 2-5+ 0 ; #args, #regs, #xmm_regs, [stack_size,] arg_names... |
| %assign num_args %1 |
| %assign regs_used %2 |
| ASSERT regs_used >= num_args |
| SETUP_STACK_POINTER %4 |
| ASSERT regs_used <= 15 |
| PUSH_IF_USED 7, 8, 9, 10, 11, 12, 13, 14 |
| ALLOC_STACK %4, %3 |
| %if mmsize != 8 && stack_size == 0 |
| WIN64_SPILL_XMM %3 |
| %endif |
| LOAD_IF_USED 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 |
| DEFINE_ARGS_INTERNAL %0, %4, %5 |
| %endmacro |
| |
| %macro WIN64_PUSH_XMM 0 |
| ; Use the shadow space to store XMM6 and XMM7, the rest needs stack space allocated. |
| %if xmm_regs_used > 6 + high_mm_regs |
| movaps [rstk + stack_offset + 8], xmm6 |
| %endif |
| %if xmm_regs_used > 7 + high_mm_regs |
| movaps [rstk + stack_offset + 24], xmm7 |
| %endif |
| %assign %%xmm_regs_on_stack xmm_regs_used - high_mm_regs - 8 |
| %if %%xmm_regs_on_stack > 0 |
| %assign %%i 8 |
| %rep %%xmm_regs_on_stack |
| movaps [rsp + (%%i-8)*16 + stack_size + 32], xmm %+ %%i |
| %assign %%i %%i+1 |
| %endrep |
| %endif |
| %endmacro |
| |
| %macro WIN64_SPILL_XMM 1 |
| %assign xmm_regs_used %1 |
| ASSERT xmm_regs_used <= 16 + high_mm_regs |
| %assign %%xmm_regs_on_stack xmm_regs_used - high_mm_regs - 8 |
| %if %%xmm_regs_on_stack > 0 |
| ; Allocate stack space for callee-saved xmm registers plus shadow space and align the stack. |
| %assign %%pad %%xmm_regs_on_stack*16 + 32 |
| %assign stack_size_padded %%pad + ((-%%pad-stack_offset-gprsize) & (STACK_ALIGNMENT-1)) |
| SUB rsp, stack_size_padded |
| %endif |
| WIN64_PUSH_XMM |
| %endmacro |
| |
| %macro WIN64_RESTORE_XMM_INTERNAL 0 |
| %assign %%pad_size 0 |
| %assign %%xmm_regs_on_stack xmm_regs_used - high_mm_regs - 8 |
| %if %%xmm_regs_on_stack > 0 |
| %assign %%i xmm_regs_used - high_mm_regs |
| %rep %%xmm_regs_on_stack |
| %assign %%i %%i-1 |
| movaps xmm %+ %%i, [rsp + (%%i-8)*16 + stack_size + 32] |
| %endrep |
| %endif |
| %if stack_size_padded > 0 |
| %if stack_size > 0 && required_stack_alignment > STACK_ALIGNMENT |
| mov rsp, rstkm |
| %else |
| add rsp, stack_size_padded |
| %assign %%pad_size stack_size_padded |
| %endif |
| %endif |
| %if xmm_regs_used > 7 + high_mm_regs |
| movaps xmm7, [rsp + stack_offset - %%pad_size + 24] |
| %endif |
| %if xmm_regs_used > 6 + high_mm_regs |
| movaps xmm6, [rsp + stack_offset - %%pad_size + 8] |
| %endif |
| %endmacro |
| |
| %macro WIN64_RESTORE_XMM 0 |
| WIN64_RESTORE_XMM_INTERNAL |
| %assign stack_offset (stack_offset-stack_size_padded) |
| %assign stack_size_padded 0 |
| %assign xmm_regs_used 0 |
| %endmacro |
| |
| %define has_epilogue regs_used > 7 || stack_size > 0 || vzeroupper_required || xmm_regs_used > 6+high_mm_regs |
| |
| %macro RET 0 |
| WIN64_RESTORE_XMM_INTERNAL |
| POP_IF_USED 14, 13, 12, 11, 10, 9, 8, 7 |
| %if vzeroupper_required |
| vzeroupper |
| %endif |
| AUTO_REP_RET |
| %endmacro |
| |
| %elif ARCH_X86_64 ; *nix x64 ;============================================= |
| |
| DECLARE_REG 0, rdi |
| DECLARE_REG 1, rsi |
| DECLARE_REG 2, rdx |
| DECLARE_REG 3, rcx |
| DECLARE_REG 4, R8 |
| DECLARE_REG 5, R9 |
| DECLARE_REG 6, rax, 8 |
| DECLARE_REG 7, R10, 16 |
| DECLARE_REG 8, R11, 24 |
| DECLARE_REG 9, rbx, 32 |
| DECLARE_REG 10, rbp, 40 |
| DECLARE_REG 11, R14, 48 |
| DECLARE_REG 12, R15, 56 |
| DECLARE_REG 13, R12, 64 |
| DECLARE_REG 14, R13, 72 |
| |
| %macro PROLOGUE 2-5+ 0 ; #args, #regs, #xmm_regs, [stack_size,] arg_names... |
| %assign num_args %1 |
| %assign regs_used %2 |
| %assign xmm_regs_used %3 |
| ASSERT regs_used >= num_args |
| SETUP_STACK_POINTER %4 |
| ASSERT regs_used <= 15 |
| PUSH_IF_USED 9, 10, 11, 12, 13, 14 |
| ALLOC_STACK %4 |
| LOAD_IF_USED 6, 7, 8, 9, 10, 11, 12, 13, 14 |
| DEFINE_ARGS_INTERNAL %0, %4, %5 |
| %endmacro |
| |
| %define has_epilogue regs_used > 9 || stack_size > 0 || vzeroupper_required |
| |
| %macro RET 0 |
| %if stack_size_padded > 0 |
| %if required_stack_alignment > STACK_ALIGNMENT |
| mov rsp, rstkm |
| %else |
| add rsp, stack_size_padded |
| %endif |
| %endif |
| POP_IF_USED 14, 13, 12, 11, 10, 9 |
| %if vzeroupper_required |
| vzeroupper |
| %endif |
| AUTO_REP_RET |
| %endmacro |
| |
| %else ; X86_32 ;============================================================== |
| |
| DECLARE_REG 0, eax, 4 |
| DECLARE_REG 1, ecx, 8 |
| DECLARE_REG 2, edx, 12 |
| DECLARE_REG 3, ebx, 16 |
| DECLARE_REG 4, esi, 20 |
| DECLARE_REG 5, edi, 24 |
| DECLARE_REG 6, ebp, 28 |
| %define rsp esp |
| |
| %macro DECLARE_ARG 1-* |
| %rep %0 |
| %define r%1m [rstk + stack_offset + 4*%1 + 4] |
| %define r%1mp dword r%1m |
| %rotate 1 |
| %endrep |
| %endmacro |
| |
| DECLARE_ARG 7, 8, 9, 10, 11, 12, 13, 14 |
| |
| %macro PROLOGUE 2-5+ ; #args, #regs, #xmm_regs, [stack_size,] arg_names... |
| %assign num_args %1 |
| %assign regs_used %2 |
| ASSERT regs_used >= num_args |
| %if num_args > 7 |
| %assign num_args 7 |
| %endif |
| %if regs_used > 7 |
| %assign regs_used 7 |
| %endif |
| SETUP_STACK_POINTER %4 |
| ASSERT regs_used <= 7 |
| PUSH_IF_USED 3, 4, 5, 6 |
| ALLOC_STACK %4 |
| LOAD_IF_USED 0, 1, 2, 3, 4, 5, 6 |
| DEFINE_ARGS_INTERNAL %0, %4, %5 |
| %endmacro |
| |
| %define has_epilogue regs_used > 3 || stack_size > 0 || vzeroupper_required |
| |
| %macro RET 0 |
| %if stack_size_padded > 0 |
| %if required_stack_alignment > STACK_ALIGNMENT |
| mov rsp, rstkm |
| %else |
| add rsp, stack_size_padded |
| %endif |
| %endif |
| POP_IF_USED 6, 5, 4, 3 |
| %if vzeroupper_required |
| vzeroupper |
| %endif |
| AUTO_REP_RET |
| %endmacro |
| |
| %endif ;====================================================================== |
| |
| %if WIN64 == 0 |
| %macro WIN64_SPILL_XMM 1 |
| %endmacro |
| %macro WIN64_RESTORE_XMM 0 |
| %endmacro |
| %macro WIN64_PUSH_XMM 0 |
| %endmacro |
| %endif |
| |
| ; On AMD cpus <=K10, an ordinary ret is slow if it immediately follows either |
| ; a branch or a branch target. So switch to a 2-byte form of ret in that case. |
| ; We can automatically detect "follows a branch", but not a branch target. |
| ; (SSSE3 is a sufficient condition to know that your cpu doesn't have this problem.) |
| %macro REP_RET 0 |
| %if has_epilogue || cpuflag(ssse3) |
| RET |
| %else |
| rep ret |
| %endif |
| annotate_function_size |
| %endmacro |
| |
| %define last_branch_adr $$ |
| %macro AUTO_REP_RET 0 |
| %if notcpuflag(ssse3) |
| times ((last_branch_adr-$)>>31)+1 rep ; times 1 iff $ == last_branch_adr. |
| %endif |
| ret |
| annotate_function_size |
| %endmacro |
| |
| %macro BRANCH_INSTR 0-* |
| %rep %0 |
| %macro %1 1-2 %1 |
| %2 %1 |
| %if notcpuflag(ssse3) |
| %%branch_instr equ $ |
| %xdefine last_branch_adr %%branch_instr |
| %endif |
| %endmacro |
| %rotate 1 |
| %endrep |
| %endmacro |
| |
| BRANCH_INSTR jz, je, jnz, jne, jl, jle, jnl, jnle, jg, jge, jng, jnge, ja, jae, jna, jnae, jb, jbe, jnb, jnbe, jc, jnc, js, jns, jo, jno, jp, jnp |
| |
| %macro TAIL_CALL 1-2 1 ; callee, is_nonadjacent |
| %if has_epilogue |
| call %1 |
| RET |
| %elif %2 |
| jmp %1 |
| %endif |
| annotate_function_size |
| %endmacro |
| |
| ;============================================================================= |
| ; arch-independent part |
| ;============================================================================= |
| |
| %assign function_align 16 |
| |
| ; Begin a function. |
| ; Applies any symbol mangling needed for C linkage, and sets up a define such that |
| ; subsequent uses of the function name automatically refer to the mangled version. |
| ; Appends cpuflags to the function name if cpuflags has been specified. |
| ; The "" empty default parameter is a workaround for nasm, which fails if SUFFIX |
| ; is empty and we call cglobal_internal with just %1 %+ SUFFIX (without %2). |
| %macro cglobal 1-2+ "" ; name, [PROLOGUE args] |
| cglobal_internal 1, %1 %+ SUFFIX, %2 |
| %endmacro |
| %macro cvisible 1-2+ "" ; name, [PROLOGUE args] |
| cglobal_internal 0, %1 %+ SUFFIX, %2 |
| %endmacro |
| %macro cglobal_internal 2-3+ |
| annotate_function_size |
| %ifndef cglobaled_%2 |
| %if %1 |
| %xdefine %2 mangle(private_prefix %+ _ %+ %2) |
| %else |
| %xdefine %2 mangle(public_prefix %+ _ %+ %2) |
| %endif |
| %xdefine %2.skip_prologue %2 %+ .skip_prologue |
| CAT_XDEFINE cglobaled_, %2, 1 |
| %endif |
| %xdefine current_function %2 |
| %xdefine current_function_section __SECT__ |
| %if FORMAT_ELF |
| %if %1 |
| global %2:function VISIBILITY |
| %else |
| global %2:function |
| %endif |
| %elif FORMAT_MACHO && HAVE_PRIVATE_EXTERN && %1 |
| global %2:private_extern |
| %else |
| global %2 |
| %endif |
| align function_align |
| %2: |
| RESET_MM_PERMUTATION ; needed for x86-64, also makes disassembly somewhat nicer |
| %xdefine rstk rsp ; copy of the original stack pointer, used when greater alignment than the known stack alignment is required |
| %assign stack_offset 0 ; stack pointer offset relative to the return address |
| %assign stack_size 0 ; amount of stack space that can be freely used inside a function |
| %assign stack_size_padded 0 ; total amount of allocated stack space, including space for callee-saved xmm registers on WIN64 and alignment padding |
| %assign xmm_regs_used 0 ; number of XMM registers requested, used for dealing with callee-saved registers on WIN64 and vzeroupper |
| %ifnidn %3, "" |
| PROLOGUE %3 |
| %endif |
| %endmacro |
| |
| ; Create a global symbol from a local label with the correct name mangling and type |
| %macro cglobal_label 1 |
| %if FORMAT_ELF |
| global current_function %+ %1:function VISIBILITY |
| %elif FORMAT_MACHO && HAVE_PRIVATE_EXTERN |
| global current_function %+ %1:private_extern |
| %else |
| global current_function %+ %1 |
| %endif |
| %1: |
| %endmacro |
| |
| %macro cextern 1 |
| %xdefine %1 mangle(private_prefix %+ _ %+ %1) |
| CAT_XDEFINE cglobaled_, %1, 1 |
| extern %1 |
| %endmacro |
| |
| ; like cextern, but without the prefix |
| %macro cextern_naked 1 |
| %ifdef PREFIX |
| %xdefine %1 mangle(%1) |
| %endif |
| CAT_XDEFINE cglobaled_, %1, 1 |
| extern %1 |
| %endmacro |
| |
| %macro const 1-2+ |
| %xdefine %1 mangle(private_prefix %+ _ %+ %1) |
| %if FORMAT_ELF |
| global %1:data VISIBILITY |
| %elif FORMAT_MACHO && HAVE_PRIVATE_EXTERN |
| global %1:private_extern |
| %else |
| global %1 |
| %endif |
| %1: %2 |
| %endmacro |
| |
| ; This is needed for ELF, otherwise the GNU linker assumes the stack is executable by default. |
| %if FORMAT_ELF |
| [SECTION .note.GNU-stack noalloc noexec nowrite progbits] |
| %endif |
| |
| ; Tell debuggers how large the function was. |
| ; This may be invoked multiple times per function; we rely on later instances overriding earlier ones. |
| ; This is invoked by RET and similar macros, and also cglobal does it for the previous function, |
| ; but if the last function in a source file doesn't use any of the standard macros for its epilogue, |
| ; then its size might be unspecified. |
| %macro annotate_function_size 0 |
| %ifdef __YASM_VER__ |
| %ifdef current_function |
| %if FORMAT_ELF |
| current_function_section |
| %%ecf equ $ |
| size current_function %%ecf - current_function |
| __SECT__ |
| %endif |
| %endif |
| %endif |
| %endmacro |
| |
| ; cpuflags |
| |
| %assign cpuflags_mmx (1<<0) |
| %assign cpuflags_mmx2 (1<<1) | cpuflags_mmx |
| %assign cpuflags_3dnow (1<<2) | cpuflags_mmx |
| %assign cpuflags_3dnowext (1<<3) | cpuflags_3dnow |
| %assign cpuflags_sse (1<<4) | cpuflags_mmx2 |
| %assign cpuflags_sse2 (1<<5) | cpuflags_sse |
| %assign cpuflags_sse2slow (1<<6) | cpuflags_sse2 |
| %assign cpuflags_lzcnt (1<<7) | cpuflags_sse2 |
| %assign cpuflags_sse3 (1<<8) | cpuflags_sse2 |
| %assign cpuflags_ssse3 (1<<9) | cpuflags_sse3 |
| %assign cpuflags_sse4 (1<<10)| cpuflags_ssse3 |
| %assign cpuflags_sse42 (1<<11)| cpuflags_sse4 |
| %assign cpuflags_aesni (1<<12)| cpuflags_sse42 |
| %assign cpuflags_gfni (1<<13)| cpuflags_sse42 |
| %assign cpuflags_avx (1<<14)| cpuflags_sse42 |
| %assign cpuflags_xop (1<<15)| cpuflags_avx |
| %assign cpuflags_fma4 (1<<16)| cpuflags_avx |
| %assign cpuflags_fma3 (1<<17)| cpuflags_avx |
| %assign cpuflags_bmi1 (1<<18)| cpuflags_avx|cpuflags_lzcnt |
| %assign cpuflags_bmi2 (1<<19)| cpuflags_bmi1 |
| %assign cpuflags_avx2 (1<<20)| cpuflags_fma3|cpuflags_bmi2 |
| %assign cpuflags_avx512 (1<<21)| cpuflags_avx2 ; F, CD, BW, DQ, VL |
| |
| %assign cpuflags_cache32 (1<<22) |
| %assign cpuflags_cache64 (1<<23) |
| %assign cpuflags_aligned (1<<24) ; not a cpu feature, but a function variant |
| %assign cpuflags_atom (1<<25) |
| |
| ; Returns a boolean value expressing whether or not the specified cpuflag is enabled. |
| %define cpuflag(x) (((((cpuflags & (cpuflags_ %+ x)) ^ (cpuflags_ %+ x)) - 1) >> 31) & 1) |
| %define notcpuflag(x) (cpuflag(x) ^ 1) |
| |
| ; Takes an arbitrary number of cpuflags from the above list. |
| ; All subsequent functions (up to the next INIT_CPUFLAGS) is built for the specified cpu. |
| ; You shouldn't need to invoke this macro directly, it's a subroutine for INIT_MMX &co. |
| %macro INIT_CPUFLAGS 0-* |
| %xdefine SUFFIX |
| %undef cpuname |
| %assign cpuflags 0 |
| |
| %if %0 >= 1 |
| %rep %0 |
| %ifdef cpuname |
| %xdefine cpuname cpuname %+ _%1 |
| %else |
| %xdefine cpuname %1 |
| %endif |
| %assign cpuflags cpuflags | cpuflags_%1 |
| %rotate 1 |
| %endrep |
| %xdefine SUFFIX _ %+ cpuname |
| |
| %if cpuflag(avx) |
| %assign avx_enabled 1 |
| %endif |
| %if (mmsize == 16 && notcpuflag(sse2)) || (mmsize == 32 && notcpuflag(avx2)) |
| %define mova movaps |
| %define movu movups |
| %define movnta movntps |
| %endif |
| %if cpuflag(aligned) |
| %define movu mova |
| %elif cpuflag(sse3) && notcpuflag(ssse3) |
| %define movu lddqu |
| %endif |
| %endif |
| |
| %if ARCH_X86_64 || cpuflag(sse2) |
| %ifdef __NASM_VER__ |
| ALIGNMODE p6 |
| %else |
| CPU amdnop |
| %endif |
| %else |
| %ifdef __NASM_VER__ |
| ALIGNMODE nop |
| %else |
| CPU basicnop |
| %endif |
| %endif |
| %endmacro |
| |
| ; Merge mmx, sse*, and avx* |
| ; m# is a simd register of the currently selected size |
| ; xm# is the corresponding xmm register if mmsize >= 16, otherwise the same as m# |
| ; ym# is the corresponding ymm register if mmsize >= 32, otherwise the same as m# |
| ; zm# is the corresponding zmm register if mmsize >= 64, otherwise the same as m# |
| ; (All 4 remain in sync through SWAP.) |
| |
| %macro CAT_XDEFINE 3 |
| %xdefine %1%2 %3 |
| %endmacro |
| |
| %macro CAT_UNDEF 2 |
| %undef %1%2 |
| %endmacro |
| |
| %macro DEFINE_MMREGS 1 ; mmtype |
| %assign %%prev_mmregs 0 |
| %ifdef num_mmregs |
| %assign %%prev_mmregs num_mmregs |
| %endif |
| |
| %assign num_mmregs 8 |
| %if ARCH_X86_64 && mmsize >= 16 |
| %assign num_mmregs 16 |
| %if cpuflag(avx512) || mmsize == 64 |
| %assign num_mmregs 32 |
| %endif |
| %endif |
| |
| %assign %%i 0 |
| %rep num_mmregs |
| CAT_XDEFINE m, %%i, %1 %+ %%i |
| CAT_XDEFINE nn%1, %%i, %%i |
| %assign %%i %%i+1 |
| %endrep |
| %if %%prev_mmregs > num_mmregs |
| %rep %%prev_mmregs - num_mmregs |
| CAT_UNDEF m, %%i |
| CAT_UNDEF nn %+ mmtype, %%i |
| %assign %%i %%i+1 |
| %endrep |
| %endif |
| %xdefine mmtype %1 |
| %endmacro |
| |
| ; Prefer registers 16-31 over 0-15 to avoid having to use vzeroupper |
| %macro AVX512_MM_PERMUTATION 0-1 0 ; start_reg |
| %if ARCH_X86_64 && cpuflag(avx512) |
| %assign %%i %1 |
| %rep 16-%1 |
| %assign %%i_high %%i+16 |
| SWAP %%i, %%i_high |
| %assign %%i %%i+1 |
| %endrep |
| %endif |
| %endmacro |
| |
| %macro INIT_MMX 0-1+ |
| %assign avx_enabled 0 |
| %define RESET_MM_PERMUTATION INIT_MMX %1 |
| %define mmsize 8 |
| %define mova movq |
| %define movu movq |
| %define movh movd |
| %define movnta movntq |
| INIT_CPUFLAGS %1 |
| DEFINE_MMREGS mm |
| %endmacro |
| |
| %macro INIT_XMM 0-1+ |
| %assign avx_enabled 0 |
| %define RESET_MM_PERMUTATION INIT_XMM %1 |
| %define mmsize 16 |
| %define mova movdqa |
| %define movu movdqu |
| %define movh movq |
| %define movnta movntdq |
| INIT_CPUFLAGS %1 |
| DEFINE_MMREGS xmm |
| %if WIN64 |
| AVX512_MM_PERMUTATION 6 ; Swap callee-saved registers with volatile registers |
| %endif |
| %endmacro |
| |
| %macro INIT_YMM 0-1+ |
| %assign avx_enabled 1 |
| %define RESET_MM_PERMUTATION INIT_YMM %1 |
| %define mmsize 32 |
| %define mova movdqa |
| %define movu movdqu |
| %undef movh |
| %define movnta movntdq |
| INIT_CPUFLAGS %1 |
| DEFINE_MMREGS ymm |
| AVX512_MM_PERMUTATION |
| %endmacro |
| |
| %macro INIT_ZMM 0-1+ |
| %assign avx_enabled 1 |
| %define RESET_MM_PERMUTATION INIT_ZMM %1 |
| %define mmsize 64 |
| %define mova movdqa |
| %define movu movdqu |
| %undef movh |
| %define movnta movntdq |
| INIT_CPUFLAGS %1 |
| DEFINE_MMREGS zmm |
| AVX512_MM_PERMUTATION |
| %endmacro |
| |
| INIT_XMM |
| |
| %macro DECLARE_MMCAST 1 |
| %define mmmm%1 mm%1 |
| %define mmxmm%1 mm%1 |
| %define mmymm%1 mm%1 |
| %define mmzmm%1 mm%1 |
| %define xmmmm%1 mm%1 |
| %define xmmxmm%1 xmm%1 |
| %define xmmymm%1 xmm%1 |
| %define xmmzmm%1 xmm%1 |
| %define ymmmm%1 mm%1 |
| %define ymmxmm%1 xmm%1 |
| %define ymmymm%1 ymm%1 |
| %define ymmzmm%1 ymm%1 |
| %define zmmmm%1 mm%1 |
| %define zmmxmm%1 xmm%1 |
| %define zmmymm%1 ymm%1 |
| %define zmmzmm%1 zmm%1 |
| %define xm%1 xmm %+ m%1 |
| %define ym%1 ymm %+ m%1 |
| %define zm%1 zmm %+ m%1 |
| %endmacro |
| |
| %assign i 0 |
| %rep 32 |
| DECLARE_MMCAST i |
| %assign i i+1 |
| %endrep |
| |
| ; I often want to use macros that permute their arguments. e.g. there's no |
| ; efficient way to implement butterfly or transpose or dct without swapping some |
| ; arguments. |
| ; |
| ; I would like to not have to manually keep track of the permutations: |
| ; If I insert a permutation in the middle of a function, it should automatically |
| ; change everything that follows. For more complex macros I may also have multiple |
| ; implementations, e.g. the SSE2 and SSSE3 versions may have different permutations. |
| ; |
| ; Hence these macros. Insert a PERMUTE or some SWAPs at the end of a macro that |
| ; permutes its arguments. It's equivalent to exchanging the contents of the |
| ; registers, except that this way you exchange the register names instead, so it |
| ; doesn't cost any cycles. |
| |
| %macro PERMUTE 2-* ; takes a list of pairs to swap |
| %rep %0/2 |
| %xdefine %%tmp%2 m%2 |
| %rotate 2 |
| %endrep |
| %rep %0/2 |
| %xdefine m%1 %%tmp%2 |
| CAT_XDEFINE nn, m%1, %1 |
| %rotate 2 |
| %endrep |
| %endmacro |
| |
| %macro SWAP 2+ ; swaps a single chain (sometimes more concise than pairs) |
| %ifnum %1 ; SWAP 0, 1, ... |
| SWAP_INTERNAL_NUM %1, %2 |
| %else ; SWAP m0, m1, ... |
| SWAP_INTERNAL_NAME %1, %2 |
| %endif |
| %endmacro |
| |
| %macro SWAP_INTERNAL_NUM 2-* |
| %rep %0-1 |
| %xdefine %%tmp m%1 |
| %xdefine m%1 m%2 |
| %xdefine m%2 %%tmp |
| CAT_XDEFINE nn, m%1, %1 |
| CAT_XDEFINE nn, m%2, %2 |
| %rotate 1 |
| %endrep |
| %endmacro |
| |
| %macro SWAP_INTERNAL_NAME 2-* |
| %xdefine %%args nn %+ %1 |
| %rep %0-1 |
| %xdefine %%args %%args, nn %+ %2 |
| %rotate 1 |
| %endrep |
| SWAP_INTERNAL_NUM %%args |
| %endmacro |
| |
| ; If SAVE_MM_PERMUTATION is placed at the end of a function, then any later |
| ; calls to that function will automatically load the permutation, so values can |
| ; be returned in mmregs. |
| %macro SAVE_MM_PERMUTATION 0-1 |
| %if %0 |
| %xdefine %%f %1_m |
| %else |
| %xdefine %%f current_function %+ _m |
| %endif |
| %assign %%i 0 |
| %rep num_mmregs |
| %xdefine %%tmp m %+ %%i |
| CAT_XDEFINE %%f, %%i, regnumof %+ %%tmp |
| %assign %%i %%i+1 |
| %endrep |
| %endmacro |
| |
| %macro LOAD_MM_PERMUTATION 0-1 ; name to load from |
| %if %0 |
| %xdefine %%f %1_m |
| %else |
| %xdefine %%f current_function %+ _m |
| %endif |
| %xdefine %%tmp %%f %+ 0 |
| %ifnum %%tmp |
| RESET_MM_PERMUTATION |
| %assign %%i 0 |
| %rep num_mmregs |
| %xdefine %%tmp %%f %+ %%i |
| CAT_XDEFINE %%m, %%i, m %+ %%tmp |
| %assign %%i %%i+1 |
| %endrep |
| %rep num_mmregs |
| %assign %%i %%i-1 |
| CAT_XDEFINE m, %%i, %%m %+ %%i |
| CAT_XDEFINE nn, m %+ %%i, %%i |
| %endrep |
| %endif |
| %endmacro |
| |
| ; Append cpuflags to the callee's name iff the appended name is known and the plain name isn't |
| %macro call 1 |
| %ifid %1 |
| call_internal %1 %+ SUFFIX, %1 |
| %else |
| call %1 |
| %endif |
| %endmacro |
| %macro call_internal 2 |
| %xdefine %%i %2 |
| %ifndef cglobaled_%2 |
| %ifdef cglobaled_%1 |
| %xdefine %%i %1 |
| %endif |
| %endif |
| call %%i |
| LOAD_MM_PERMUTATION %%i |
| %endmacro |
| |
| ; Substitutions that reduce instruction size but are functionally equivalent |
| %macro add 2 |
| %ifnum %2 |
| %if %2==128 |
| sub %1, -128 |
| %else |
| add %1, %2 |
| %endif |
| %else |
| add %1, %2 |
| %endif |
| %endmacro |
| |
| %macro sub 2 |
| %ifnum %2 |
| %if %2==128 |
| add %1, -128 |
| %else |
| sub %1, %2 |
| %endif |
| %else |
| sub %1, %2 |
| %endif |
| %endmacro |
| |
| ;============================================================================= |
| ; AVX abstraction layer |
| ;============================================================================= |
| |
| %assign i 0 |
| %rep 32 |
| %if i < 8 |
| CAT_XDEFINE sizeofmm, i, 8 |
| CAT_XDEFINE regnumofmm, i, i |
| %endif |
| CAT_XDEFINE sizeofxmm, i, 16 |
| CAT_XDEFINE sizeofymm, i, 32 |
| CAT_XDEFINE sizeofzmm, i, 64 |
| CAT_XDEFINE regnumofxmm, i, i |
| CAT_XDEFINE regnumofymm, i, i |
| CAT_XDEFINE regnumofzmm, i, i |
| %assign i i+1 |
| %endrep |
| %undef i |
| |
| %macro CHECK_AVX_INSTR_EMU 3-* |
| %xdefine %%opcode %1 |
| %xdefine %%dst %2 |
| %rep %0-2 |
| %ifidn %%dst, %3 |
| %error non-avx emulation of ``%%opcode'' is not supported |
| %endif |
| %rotate 1 |
| %endrep |
| %endmacro |
| |
| ;%1 == instruction |
| ;%2 == minimal instruction set |
| ;%3 == 1 if float, 0 if int |
| ;%4 == 1 if 4-operand emulation, 0 if 3-operand emulation, 255 otherwise (no emulation) |
| ;%5 == 1 if commutative (i.e. doesn't matter which src arg is which), 0 if not |
| ;%6+: operands |
| %macro RUN_AVX_INSTR 6-9+ |
| %ifnum sizeof%7 |
| %assign __sizeofreg sizeof%7 |
| %elifnum sizeof%6 |
| %assign __sizeofreg sizeof%6 |
| %else |
| %assign __sizeofreg mmsize |
| %endif |
| %assign __emulate_avx 0 |
| %if avx_enabled && __sizeofreg >= 16 |
| %xdefine __instr v%1 |
| %else |
| %xdefine __instr %1 |
| %if %0 >= 8+%4 |
| %assign __emulate_avx 1 |
| %endif |
| %endif |
| %ifnidn %2, fnord |
| %ifdef cpuname |
| %if notcpuflag(%2) |
| %error use of ``%1'' %2 instruction in cpuname function: current_function |
| %elif %3 == 0 && __sizeofreg == 16 && notcpuflag(sse2) |
| %error use of ``%1'' sse2 instruction in cpuname function: current_function |
| %elif %3 == 0 && __sizeofreg == 32 && notcpuflag(avx2) |
| %error use of ``%1'' avx2 instruction in cpuname function: current_function |
| %elif __sizeofreg == 16 && notcpuflag(sse) |
| %error use of ``%1'' sse instruction in cpuname function: current_function |
| %elif __sizeofreg == 32 && notcpuflag(avx) |
| %error use of ``%1'' avx instruction in cpuname function: current_function |
| %elif __sizeofreg == 64 && notcpuflag(avx512) |
| %error use of ``%1'' avx512 instruction in cpuname function: current_function |
| %elifidn %1, pextrw ; special case because the base instruction is mmx2, |
| %ifnid %6 ; but sse4 is required for memory operands |
| %if notcpuflag(sse4) |
| %error use of ``%1'' sse4 instruction in cpuname function: current_function |
| %endif |
| %endif |
| %endif |
| %endif |
| %endif |
| |
| %if __emulate_avx |
| %xdefine __src1 %7 |
| %xdefine __src2 %8 |
| %if %5 && %4 == 0 |
| %ifnidn %6, %7 |
| %ifidn %6, %8 |
| %xdefine __src1 %8 |
| %xdefine __src2 %7 |
| %elifnnum sizeof%8 |
| ; 3-operand AVX instructions with a memory arg can only have it in src2, |
| ; whereas SSE emulation prefers to have it in src1 (i.e. the mov). |
| ; So, if the instruction is commutative with a memory arg, swap them. |
| %xdefine __src1 %8 |
| %xdefine __src2 %7 |
| %endif |
| %endif |
| %endif |
| %ifnidn %6, __src1 |
| %if %0 >= 9 |
| CHECK_AVX_INSTR_EMU {%1 %6, %7, %8, %9}, %6, __src2, %9 |
| %else |
| CHECK_AVX_INSTR_EMU {%1 %6, %7, %8}, %6, __src2 |
| %endif |
| %if __sizeofreg == 8 |
| MOVQ %6, __src1 |
| %elif %3 |
| MOVAPS %6, __src1 |
| %else |
| MOVDQA %6, __src1 |
| %endif |
| %endif |
| %if %0 >= 9 |
| %1 %6, __src2, %9 |
| %else |
| %1 %6, __src2 |
| %endif |
| %elif %0 >= 9 |
| __instr %6, %7, %8, %9 |
| %elif %0 == 8 |
| %if avx_enabled && %5 |
| %xdefine __src1 %7 |
| %xdefine __src2 %8 |
| %ifnum regnumof%7 |
| %ifnum regnumof%8 |
| %if regnumof%7 < 8 && regnumof%8 >= 8 && regnumof%8 < 16 && sizeof%8 <= 32 |
| ; Most VEX-encoded instructions require an additional byte to encode when |
| ; src2 is a high register (e.g. m8..15). If the instruction is commutative |
| ; we can swap src1 and src2 when doing so reduces the instruction length. |
| %xdefine __src1 %8 |
| %xdefine __src2 %7 |
| %endif |
| %endif |
| %endif |
| __instr %6, __src1, __src2 |
| %else |
| __instr %6, %7, %8 |
| %endif |
| %elif %0 == 7 |
| %if avx_enabled && %5 |
| %xdefine __src1 %6 |
| %xdefine __src2 %7 |
| %ifnum regnumof%6 |
| %ifnum regnumof%7 |
| %if regnumof%6 < 8 && regnumof%7 >= 8 && regnumof%7 < 16 && sizeof%7 <= 32 |
| %xdefine __src1 %7 |
| %xdefine __src2 %6 |
| %endif |
| %endif |
| %endif |
| __instr %6, __src1, __src2 |
| %else |
| __instr %6, %7 |
| %endif |
| %else |
| __instr %6 |
| %endif |
| %endmacro |
| |
| ;%1 == instruction |
| ;%2 == minimal instruction set |
| ;%3 == 1 if float, 0 if int |
| ;%4 == 1 if 4-operand emulation, 0 if 3-operand emulation, 255 otherwise (no emulation) |
| ;%5 == 1 if commutative (i.e. doesn't matter which src arg is which), 0 if not |
| %macro AVX_INSTR 1-5 fnord, 0, 255, 0 |
| %macro %1 1-10 fnord, fnord, fnord, fnord, %1, %2, %3, %4, %5 |
| %ifidn %2, fnord |
| RUN_AVX_INSTR %6, %7, %8, %9, %10, %1 |
| %elifidn %3, fnord |
| RUN_AVX_INSTR %6, %7, %8, %9, %10, %1, %2 |
| %elifidn %4, fnord |
| RUN_AVX_INSTR %6, %7, %8, %9, %10, %1, %2, %3 |
| %elifidn %5, fnord |
| RUN_AVX_INSTR %6, %7, %8, %9, %10, %1, %2, %3, %4 |
| %else |
| RUN_AVX_INSTR %6, %7, %8, %9, %10, %1, %2, %3, %4, %5 |
| %endif |
| %endmacro |
| %endmacro |
| |
| ; Instructions with both VEX/EVEX and legacy encodings |
| ; Non-destructive instructions are written without parameters |
| AVX_INSTR addpd, sse2, 1, 0, 1 |
| AVX_INSTR addps, sse, 1, 0, 1 |
| AVX_INSTR addsd, sse2, 1, 0, 0 |
| AVX_INSTR addss, sse, 1, 0, 0 |
| AVX_INSTR addsubpd, sse3, 1, 0, 0 |
| AVX_INSTR addsubps, sse3, 1, 0, 0 |
| AVX_INSTR aesdec, aesni, 0, 0, 0 |
| AVX_INSTR aesdeclast, aesni, 0, 0, 0 |
| AVX_INSTR aesenc, aesni, 0, 0, 0 |
| AVX_INSTR aesenclast, aesni, 0, 0, 0 |
| AVX_INSTR aesimc, aesni |
| AVX_INSTR aeskeygenassist, aesni |
| AVX_INSTR andnpd, sse2, 1, 0, 0 |
| AVX_INSTR andnps, sse, 1, 0, 0 |
| AVX_INSTR andpd, sse2, 1, 0, 1 |
| AVX_INSTR andps, sse, 1, 0, 1 |
| AVX_INSTR blendpd, sse4, 1, 1, 0 |
| AVX_INSTR blendps, sse4, 1, 1, 0 |
| AVX_INSTR blendvpd, sse4 ; can't be emulated |
| AVX_INSTR blendvps, sse4 ; can't be emulated |
| AVX_INSTR cmpeqpd, sse2, 1, 0, 1 |
| AVX_INSTR cmpeqps, sse, 1, 0, 1 |
| AVX_INSTR cmpeqsd, sse2, 1, 0, 0 |
| AVX_INSTR cmpeqss, sse, 1, 0, 0 |
| AVX_INSTR cmplepd, sse2, 1, 0, 0 |
| AVX_INSTR cmpleps, sse, 1, 0, 0 |
| AVX_INSTR cmplesd, sse2, 1, 0, 0 |
| AVX_INSTR cmpless, sse, 1, 0, 0 |
| AVX_INSTR cmpltpd, sse2, 1, 0, 0 |
| AVX_INSTR cmpltps, sse, 1, 0, 0 |
| AVX_INSTR cmpltsd, sse2, 1, 0, 0 |
| AVX_INSTR cmpltss, sse, 1, 0, 0 |
| AVX_INSTR cmpneqpd, sse2, 1, 0, 1 |
| AVX_INSTR cmpneqps, sse, 1, 0, 1 |
| AVX_INSTR cmpneqsd, sse2, 1, 0, 0 |
| AVX_INSTR cmpneqss, sse, 1, 0, 0 |
| AVX_INSTR cmpnlepd, sse2, 1, 0, 0 |
| AVX_INSTR cmpnleps, sse, 1, 0, 0 |
| AVX_INSTR cmpnlesd, sse2, 1, 0, 0 |
| AVX_INSTR cmpnless, sse, 1, 0, 0 |
| AVX_INSTR cmpnltpd, sse2, 1, 0, 0 |
| AVX_INSTR cmpnltps, sse, 1, 0, 0 |
| AVX_INSTR cmpnltsd, sse2, 1, 0, 0 |
| AVX_INSTR cmpnltss, sse, 1, 0, 0 |
| AVX_INSTR cmpordpd, sse2 1, 0, 1 |
| AVX_INSTR cmpordps, sse 1, 0, 1 |
| AVX_INSTR cmpordsd, sse2 1, 0, 0 |
| AVX_INSTR cmpordss, sse 1, 0, 0 |
| AVX_INSTR cmppd, sse2, 1, 1, 0 |
| AVX_INSTR cmpps, sse, 1, 1, 0 |
| AVX_INSTR cmpsd, sse2, 1, 1, 0 |
| AVX_INSTR cmpss, sse, 1, 1, 0 |
| AVX_INSTR cmpunordpd, sse2, 1, 0, 1 |
| AVX_INSTR cmpunordps, sse, 1, 0, 1 |
| AVX_INSTR cmpunordsd, sse2, 1, 0, 0 |
| AVX_INSTR cmpunordss, sse, 1, 0, 0 |
| AVX_INSTR comisd, sse2, 1 |
| AVX_INSTR comiss, sse, 1 |
| AVX_INSTR cvtdq2pd, sse2, 1 |
| AVX_INSTR cvtdq2ps, sse2, 1 |
| AVX_INSTR cvtpd2dq, sse2, 1 |
| AVX_INSTR cvtpd2ps, sse2, 1 |
| AVX_INSTR cvtps2dq, sse2, 1 |
| AVX_INSTR cvtps2pd, sse2, 1 |
| AVX_INSTR cvtsd2si, sse2, 1 |
| AVX_INSTR cvtsd2ss, sse2, 1, 0, 0 |
| AVX_INSTR cvtsi2sd, sse2, 1, 0, 0 |
| AVX_INSTR cvtsi2ss, sse, 1, 0, 0 |
| AVX_INSTR cvtss2sd, sse2, 1, 0, 0 |
| AVX_INSTR cvtss2si, sse, 1 |
| AVX_INSTR cvttpd2dq, sse2, 1 |
| AVX_INSTR cvttps2dq, sse2, 1 |
| AVX_INSTR cvttsd2si, sse2, 1 |
| AVX_INSTR cvttss2si, sse, 1 |
| AVX_INSTR divpd, sse2, 1, 0, 0 |
| AVX_INSTR divps, sse, 1, 0, 0 |
| AVX_INSTR divsd, sse2, 1, 0, 0 |
| AVX_INSTR divss, sse, 1, 0, 0 |
| AVX_INSTR dppd, sse4, 1, 1, 0 |
| AVX_INSTR dpps, sse4, 1, 1, 0 |
| AVX_INSTR extractps, sse4, 1 |
| AVX_INSTR gf2p8affineinvqb, gfni, 0, 1, 0 |
| AVX_INSTR gf2p8affineqb, gfni, 0, 1, 0 |
| AVX_INSTR gf2p8mulb, gfni, 0, 0, 0 |
| AVX_INSTR haddpd, sse3, 1, 0, 0 |
| AVX_INSTR haddps, sse3, 1, 0, 0 |
| AVX_INSTR hsubpd, sse3, 1, 0, 0 |
| AVX_INSTR hsubps, sse3, 1, 0, 0 |
| AVX_INSTR insertps, sse4, 1, 1, 0 |
| AVX_INSTR lddqu, sse3 |
| AVX_INSTR ldmxcsr, sse, 1 |
| AVX_INSTR maskmovdqu, sse2 |
| AVX_INSTR maxpd, sse2, 1, 0, 1 |
| AVX_INSTR maxps, sse, 1, 0, 1 |
| AVX_INSTR maxsd, sse2, 1, 0, 0 |
| AVX_INSTR maxss, sse, 1, 0, 0 |
| AVX_INSTR minpd, sse2, 1, 0, 1 |
| AVX_INSTR minps, sse, 1, 0, 1 |
| AVX_INSTR minsd, sse2, 1, 0, 0 |
| AVX_INSTR minss, sse, 1, 0, 0 |
| AVX_INSTR movapd, sse2, 1 |
| AVX_INSTR movaps, sse, 1 |
| AVX_INSTR movd, mmx |
| AVX_INSTR movddup, sse3, 1 |
| AVX_INSTR movdqa, sse2 |
| AVX_INSTR movdqu, sse2 |
| AVX_INSTR movhlps, sse, 1, 0, 0 |
| AVX_INSTR movhpd, sse2, 1, 0, 0 |
| AVX_INSTR movhps, sse, 1, 0, 0 |
| AVX_INSTR movlhps, sse, 1, 0, 0 |
| AVX_INSTR movlpd, sse2, 1, 0, 0 |
| AVX_INSTR movlps, sse, 1, 0, 0 |
| AVX_INSTR movmskpd, sse2, 1 |
| AVX_INSTR movmskps, sse, 1 |
| AVX_INSTR movntdq, sse2 |
| AVX_INSTR movntdqa, sse4 |
| AVX_INSTR movntpd, sse2, 1 |
| AVX_INSTR movntps, sse, 1 |
| AVX_INSTR movq, mmx |
| AVX_INSTR movsd, sse2, 1, 0, 0 |
| AVX_INSTR movshdup, sse3, 1 |
| AVX_INSTR movsldup, sse3, 1 |
| AVX_INSTR movss, sse, 1, 0, 0 |
| AVX_INSTR movupd, sse2, 1 |
| AVX_INSTR movups, sse, 1 |
| AVX_INSTR mpsadbw, sse4, 0, 1, 0 |
| AVX_INSTR mulpd, sse2, 1, 0, 1 |
| AVX_INSTR mulps, sse, 1, 0, 1 |
| AVX_INSTR mulsd, sse2, 1, 0, 0 |
| AVX_INSTR mulss, sse, 1, 0, 0 |
| AVX_INSTR orpd, sse2, 1, 0, 1 |
| AVX_INSTR orps, sse, 1, 0, 1 |
| AVX_INSTR pabsb, ssse3 |
| AVX_INSTR pabsd, ssse3 |
| AVX_INSTR pabsw, ssse3 |
| AVX_INSTR packsswb, mmx, 0, 0, 0 |
| AVX_INSTR packssdw, mmx, 0, 0, 0 |
| AVX_INSTR packuswb, mmx, 0, 0, 0 |
| AVX_INSTR packusdw, sse4, 0, 0, 0 |
| AVX_INSTR paddb, mmx, 0, 0, 1 |
| AVX_INSTR paddw, mmx, 0, 0, 1 |
| AVX_INSTR paddd, mmx, 0, 0, 1 |
| AVX_INSTR paddq, sse2, 0, 0, 1 |
| AVX_INSTR paddsb, mmx, 0, 0, 1 |
| AVX_INSTR paddsw, mmx, 0, 0, 1 |
| AVX_INSTR paddusb, mmx, 0, 0, 1 |
| AVX_INSTR paddusw, mmx, 0, 0, 1 |
| AVX_INSTR palignr, ssse3, 0, 1, 0 |
| AVX_INSTR pand, mmx, 0, 0, 1 |
| AVX_INSTR pandn, mmx, 0, 0, 0 |
| AVX_INSTR pavgb, mmx2, 0, 0, 1 |
| AVX_INSTR pavgw, mmx2, 0, 0, 1 |
| AVX_INSTR pblendvb, sse4 ; can't be emulated |
| AVX_INSTR pblendw, sse4, 0, 1, 0 |
| AVX_INSTR pclmulqdq, fnord, 0, 1, 0 |
| AVX_INSTR pclmulhqhqdq, fnord, 0, 0, 0 |
| AVX_INSTR pclmulhqlqdq, fnord, 0, 0, 0 |
| AVX_INSTR pclmullqhqdq, fnord, 0, 0, 0 |
| AVX_INSTR pclmullqlqdq, fnord, 0, 0, 0 |
| AVX_INSTR pcmpestri, sse42 |
| AVX_INSTR pcmpestrm, sse42 |
| AVX_INSTR pcmpistri, sse42 |
| AVX_INSTR pcmpistrm, sse42 |
| AVX_INSTR pcmpeqb, mmx, 0, 0, 1 |
| AVX_INSTR pcmpeqw, mmx, 0, 0, 1 |
| AVX_INSTR pcmpeqd, mmx, 0, 0, 1 |
| AVX_INSTR pcmpeqq, sse4, 0, 0, 1 |
| AVX_INSTR pcmpgtb, mmx, 0, 0, 0 |
| AVX_INSTR pcmpgtw, mmx, 0, 0, 0 |
| AVX_INSTR pcmpgtd, mmx, 0, 0, 0 |
| AVX_INSTR pcmpgtq, sse42, 0, 0, 0 |
| AVX_INSTR pextrb, sse4 |
| AVX_INSTR pextrd, sse4 |
| AVX_INSTR pextrq, sse4 |
| AVX_INSTR pextrw, mmx2 |
| AVX_INSTR phaddw, ssse3, 0, 0, 0 |
| AVX_INSTR phaddd, ssse3, 0, 0, 0 |
| AVX_INSTR phaddsw, ssse3, 0, 0, 0 |
| AVX_INSTR phminposuw, sse4 |
| AVX_INSTR phsubw, ssse3, 0, 0, 0 |
| AVX_INSTR phsubd, ssse3, 0, 0, 0 |
| AVX_INSTR phsubsw, ssse3, 0, 0, 0 |
| AVX_INSTR pinsrb, sse4, 0, 1, 0 |
| AVX_INSTR pinsrd, sse4, 0, 1, 0 |
| AVX_INSTR pinsrq, sse4, 0, 1, 0 |
| AVX_INSTR pinsrw, mmx2, 0, 1, 0 |
| AVX_INSTR pmaddwd, mmx, 0, 0, 1 |
| AVX_INSTR pmaddubsw, ssse3, 0, 0, 0 |
| AVX_INSTR pmaxsb, sse4, 0, 0, 1 |
| AVX_INSTR pmaxsw, mmx2, 0, 0, 1 |
| AVX_INSTR pmaxsd, sse4, 0, 0, 1 |
| AVX_INSTR pmaxub, mmx2, 0, 0, 1 |
| AVX_INSTR pmaxuw, sse4, 0, 0, 1 |
| AVX_INSTR pmaxud, sse4, 0, 0, 1 |
| AVX_INSTR pminsb, sse4, 0, 0, 1 |
| AVX_INSTR pminsw, mmx2, 0, 0, 1 |
| AVX_INSTR pminsd, sse4, 0, 0, 1 |
| AVX_INSTR pminub, mmx2, 0, 0, 1 |
| AVX_INSTR pminuw, sse4, 0, 0, 1 |
| AVX_INSTR pminud, sse4, 0, 0, 1 |
| AVX_INSTR pmovmskb, mmx2 |
| AVX_INSTR pmovsxbw, sse4 |
| AVX_INSTR pmovsxbd, sse4 |
| AVX_INSTR pmovsxbq, sse4 |
| AVX_INSTR pmovsxwd, sse4 |
| AVX_INSTR pmovsxwq, sse4 |
| AVX_INSTR pmovsxdq, sse4 |
| AVX_INSTR pmovzxbw, sse4 |
| AVX_INSTR pmovzxbd, sse4 |
| AVX_INSTR pmovzxbq, sse4 |
| AVX_INSTR pmovzxwd, sse4 |
| AVX_INSTR pmovzxwq, sse4 |
| AVX_INSTR pmovzxdq, sse4 |
| AVX_INSTR pmuldq, sse4, 0, 0, 1 |
| AVX_INSTR pmulhrsw, ssse3, 0, 0, 1 |
| AVX_INSTR pmulhuw, mmx2, 0, 0, 1 |
| AVX_INSTR pmulhw, mmx, 0, 0, 1 |
| AVX_INSTR pmullw, mmx, 0, 0, 1 |
| AVX_INSTR pmulld, sse4, 0, 0, 1 |
| AVX_INSTR pmuludq, sse2, 0, 0, 1 |
| AVX_INSTR por, mmx, 0, 0, 1 |
| AVX_INSTR psadbw, mmx2, 0, 0, 1 |
| AVX_INSTR pshufb, ssse3, 0, 0, 0 |
| AVX_INSTR pshufd, sse2 |
| AVX_INSTR pshufhw, sse2 |
| AVX_INSTR pshuflw, sse2 |
| AVX_INSTR psignb, ssse3, 0, 0, 0 |
| AVX_INSTR psignw, ssse3, 0, 0, 0 |
| AVX_INSTR psignd, ssse3, 0, 0, 0 |
| AVX_INSTR psllw, mmx, 0, 0, 0 |
| AVX_INSTR pslld, mmx, 0, 0, 0 |
| AVX_INSTR psllq, mmx, 0, 0, 0 |
| AVX_INSTR pslldq, sse2, 0, 0, 0 |
| AVX_INSTR psraw, mmx, 0, 0, 0 |
| AVX_INSTR psrad, mmx, 0, 0, 0 |
| AVX_INSTR psrlw, mmx, 0, 0, 0 |
| AVX_INSTR psrld, mmx, 0, 0, 0 |
| AVX_INSTR psrlq, mmx, 0, 0, 0 |
| AVX_INSTR psrldq, sse2, 0, 0, 0 |
| AVX_INSTR psubb, mmx, 0, 0, 0 |
| AVX_INSTR psubw, mmx, 0, 0, 0 |
| AVX_INSTR psubd, mmx, 0, 0, 0 |
| AVX_INSTR psubq, sse2, 0, 0, 0 |
| AVX_INSTR psubsb, mmx, 0, 0, 0 |
| AVX_INSTR psubsw, mmx, 0, 0, 0 |
| AVX_INSTR psubusb, mmx, 0, 0, 0 |
| AVX_INSTR psubusw, mmx, 0, 0, 0 |
| AVX_INSTR ptest, sse4 |
| AVX_INSTR punpckhbw, mmx, 0, 0, 0 |
| AVX_INSTR punpckhwd, mmx, 0, 0, 0 |
| AVX_INSTR punpckhdq, mmx, 0, 0, 0 |
| AVX_INSTR punpckhqdq, sse2, 0, 0, 0 |
| AVX_INSTR punpcklbw, mmx, 0, 0, 0 |
| AVX_INSTR punpcklwd, mmx, 0, 0, 0 |
| AVX_INSTR punpckldq, mmx, 0, 0, 0 |
| AVX_INSTR punpcklqdq, sse2, 0, 0, 0 |
| AVX_INSTR pxor, mmx, 0, 0, 1 |
| AVX_INSTR rcpps, sse, 1 |
| AVX_INSTR rcpss, sse, 1, 0, 0 |
| AVX_INSTR roundpd, sse4, 1 |
| AVX_INSTR roundps, sse4, 1 |
| AVX_INSTR roundsd, sse4, 1, 1, 0 |
| AVX_INSTR roundss, sse4, 1, 1, 0 |
| AVX_INSTR rsqrtps, sse, 1 |
| AVX_INSTR rsqrtss, sse, 1, 0, 0 |
| AVX_INSTR shufpd, sse2, 1, 1, 0 |
| AVX_INSTR shufps, sse, 1, 1, 0 |
| AVX_INSTR sqrtpd, sse2, 1 |
| AVX_INSTR sqrtps, sse, 1 |
| AVX_INSTR sqrtsd, sse2, 1, 0, 0 |
| AVX_INSTR sqrtss, sse, 1, 0, 0 |
| AVX_INSTR stmxcsr, sse, 1 |
| AVX_INSTR subpd, sse2, 1, 0, 0 |
| AVX_INSTR subps, sse, 1, 0, 0 |
| AVX_INSTR subsd, sse2, 1, 0, 0 |
| AVX_INSTR subss, sse, 1, 0, 0 |
| AVX_INSTR ucomisd, sse2, 1 |
| AVX_INSTR ucomiss, sse, 1 |
| AVX_INSTR unpckhpd, sse2, 1, 0, 0 |
| AVX_INSTR unpckhps, sse, 1, 0, 0 |
| AVX_INSTR unpcklpd, sse2, 1, 0, 0 |
| AVX_INSTR unpcklps, sse, 1, 0, 0 |
| AVX_INSTR xorpd, sse2, 1, 0, 1 |
| AVX_INSTR xorps, sse, 1, 0, 1 |
| |
| ; 3DNow instructions, for sharing code between AVX, SSE and 3DN |
| AVX_INSTR pfadd, 3dnow, 1, 0, 1 |
| AVX_INSTR pfsub, 3dnow, 1, 0, 0 |
| AVX_INSTR pfmul, 3dnow, 1, 0, 1 |
| |
| ;%1 == instruction |
| ;%2 == minimal instruction set |
| %macro GPR_INSTR 2 |
| %macro %1 2-5 fnord, %1, %2 |
| %ifdef cpuname |
| %if notcpuflag(%5) |
| %error use of ``%4'' %5 instruction in cpuname function: current_function |
| %endif |
| %endif |
| %ifidn %3, fnord |
| %4 %1, %2 |
| %else |
| %4 %1, %2, %3 |
| %endif |
| %endmacro |
| %endmacro |
| |
| GPR_INSTR andn, bmi1 |
| GPR_INSTR bextr, bmi1 |
| GPR_INSTR blsi, bmi1 |
| GPR_INSTR blsr, bmi1 |
| GPR_INSTR blsmsk, bmi1 |
| GPR_INSTR bzhi, bmi2 |
| GPR_INSTR mulx, bmi2 |
| GPR_INSTR pdep, bmi2 |
| GPR_INSTR pext, bmi2 |
| GPR_INSTR popcnt, sse42 |
| GPR_INSTR rorx, bmi2 |
| GPR_INSTR sarx, bmi2 |
| GPR_INSTR shlx, bmi2 |
| GPR_INSTR shrx, bmi2 |
| |
| ; base-4 constants for shuffles |
| %assign i 0 |
| %rep 256 |
| %assign j ((i>>6)&3)*1000 + ((i>>4)&3)*100 + ((i>>2)&3)*10 + (i&3) |
| %if j < 10 |
| CAT_XDEFINE q000, j, i |
| %elif j < 100 |
| CAT_XDEFINE q00, j, i |
| %elif j < 1000 |
| CAT_XDEFINE q0, j, i |
| %else |
| CAT_XDEFINE q, j, i |
| %endif |
| %assign i i+1 |
| %endrep |
| %undef i |
| %undef j |
| |
| %macro FMA_INSTR 3 |
| %macro %1 4-7 %1, %2, %3 |
| %if cpuflag(xop) |
| v%5 %1, %2, %3, %4 |
| %elifnidn %1, %4 |
| %6 %1, %2, %3 |
| %7 %1, %4 |
| %else |
| %error non-xop emulation of ``%5 %1, %2, %3, %4'' is not supported |
| %endif |
| %endmacro |
| %endmacro |
| |
| FMA_INSTR pmacsww, pmullw, paddw |
| FMA_INSTR pmacsdd, pmulld, paddd ; sse4 emulation |
| FMA_INSTR pmacsdql, pmuldq, paddq ; sse4 emulation |
| FMA_INSTR pmadcswd, pmaddwd, paddd |
| |
| ; Macros for consolidating FMA3 and FMA4 using 4-operand (dst, src1, src2, src3) syntax. |
| ; FMA3 is only possible if dst is the same as one of the src registers. |
| ; Either src2 or src3 can be a memory operand. |
| %macro FMA4_INSTR 2-* |
| %push fma4_instr |
| %xdefine %$prefix %1 |
| %rep %0 - 1 |
| %macro %$prefix%2 4-6 %$prefix, %2 |
| %if notcpuflag(fma3) && notcpuflag(fma4) |
| %error use of ``%5%6'' fma instruction in cpuname function: current_function |
| %elif cpuflag(fma4) |
| v%5%6 %1, %2, %3, %4 |
| %elifidn %1, %2 |
| ; If %3 or %4 is a memory operand it needs to be encoded as the last operand. |
| %ifnum sizeof%3 |
| v%{5}213%6 %2, %3, %4 |
| %else |
| v%{5}132%6 %2, %4, %3 |
| %endif |
| %elifidn %1, %3 |
| v%{5}213%6 %3, %2, %4 |
| %elifidn %1, %4 |
| v%{5}231%6 %4, %2, %3 |
| %else |
| %error fma3 emulation of ``%5%6 %1, %2, %3, %4'' is not supported |
| %endif |
| %endmacro |
| %rotate 1 |
| %endrep |
| %pop |
| %endmacro |
| |
| FMA4_INSTR fmadd, pd, ps, sd, ss |
| FMA4_INSTR fmaddsub, pd, ps |
| FMA4_INSTR fmsub, pd, ps, sd, ss |
| FMA4_INSTR fmsubadd, pd, ps |
| FMA4_INSTR fnmadd, pd, ps, sd, ss |
| FMA4_INSTR fnmsub, pd, ps, sd, ss |
| |
| ; Macros for converting VEX instructions to equivalent EVEX ones. |
| %macro EVEX_INSTR 2-3 0 ; vex, evex, prefer_evex |
| %macro %1 2-7 fnord, fnord, %1, %2, %3 |
| %ifidn %3, fnord |
| %define %%args %1, %2 |
| %elifidn %4, fnord |
| %define %%args %1, %2, %3 |
| %else |
| %define %%args %1, %2, %3, %4 |
| %endif |
| %assign %%evex_required cpuflag(avx512) & %7 |
| %ifnum regnumof%1 |
| %if regnumof%1 >= 16 || sizeof%1 > 32 |
| %assign %%evex_required 1 |
| %endif |
| %endif |
| %ifnum regnumof%2 |
| %if regnumof%2 >= 16 || sizeof%2 > 32 |
| %assign %%evex_required 1 |
| %endif |
| %endif |
| %ifnum regnumof%3 |
| %if regnumof%3 >= 16 || sizeof%3 > 32 |
| %assign %%evex_required 1 |
| %endif |
| %endif |
| %if %%evex_required |
| %6 %%args |
| %else |
| %5 %%args ; Prefer VEX over EVEX due to shorter instruction length |
| %endif |
| %endmacro |
| %endmacro |
| |
| EVEX_INSTR vbroadcastf128, vbroadcastf32x4 |
| EVEX_INSTR vbroadcasti128, vbroadcasti32x4 |
| EVEX_INSTR vextractf128, vextractf32x4 |
| EVEX_INSTR vextracti128, vextracti32x4 |
| EVEX_INSTR vinsertf128, vinsertf32x4 |
| EVEX_INSTR vinserti128, vinserti32x4 |
| EVEX_INSTR vmovdqa, vmovdqa32 |
| EVEX_INSTR vmovdqu, vmovdqu32 |
| EVEX_INSTR vpand, vpandd |
| EVEX_INSTR vpandn, vpandnd |
| EVEX_INSTR vpor, vpord |
| EVEX_INSTR vpxor, vpxord |
| EVEX_INSTR vrcpps, vrcp14ps, 1 ; EVEX versions have higher precision |
| EVEX_INSTR vrcpss, vrcp14ss, 1 |
| EVEX_INSTR vrsqrtps, vrsqrt14ps, 1 |
| EVEX_INSTR vrsqrtss, vrsqrt14ss, 1 |