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([2600:100c:b027:a965:7e38:2b0d:56ef:66a2]) by smtp.gmail.com with ESMTPSA id a10-20020a05680804ca00b003544822f725sm1326919oie.8.2022.10.14.09.40.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Oct 2022 09:40:15 -0700 (PDT) To: libc-alpha@sourceware.org Subject: [PATCH v1 2/3] x86: Add macros for GPRs / mask insn based on VEC_SIZE Date: Fri, 14 Oct 2022 09:40:07 -0700 Message-Id: <20221014164008.1325863-2-goldstein.w.n@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221014164008.1325863-1-goldstein.w.n@gmail.com> References: <20221014164008.1325863-1-goldstein.w.n@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-11.2 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, KAM_SHORT, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, URIBL_BLACK autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Noah Goldstein via Libc-alpha From: Noah Goldstein Reply-To: Noah Goldstein Errors-To: libc-alpha-bounces+incoming=patchwork.ozlabs.org@sourceware.org Sender: "Libc-alpha" This is to make it easier to do think like: ``` vpcmpb %VEC(0), %VEC(1), %k0 kmov{d|q} %k0, %{eax|rax} test %{eax|rax} ``` It adds macro s.t any GPR can get the proper width with: `V{upper_case_GPR_name}` and any mask insn can get the proper width with: `{mask_insn_without_postfix}V` This commit does not change libc.so Tested build on x86-64 --- sysdeps/x86_64/multiarch/reg-macros.h | 337 ++++++++++++++++++ .../multiarch/scripts/gen-reg-map-macros.py | 97 +++++ 2 files changed, 434 insertions(+) create mode 100644 sysdeps/x86_64/multiarch/reg-macros.h create mode 100644 sysdeps/x86_64/multiarch/scripts/gen-reg-map-macros.py diff --git a/sysdeps/x86_64/multiarch/reg-macros.h b/sysdeps/x86_64/multiarch/reg-macros.h new file mode 100644 index 0000000000..c4d7f57b66 --- /dev/null +++ b/sysdeps/x86_64/multiarch/reg-macros.h @@ -0,0 +1,337 @@ +/* This file was generated by: sysdeps/x86_64/multiarch/scripts/gen-reg-map-macros.py. + + Copyright (C) 2022 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#ifndef _REG_MAP_MACROS_H +#define _REG_MAP_MACROS_H 1 + +#define rax_8 al +#define eax_8 al +#define ax_8 al +#define al_8 al +#define rax_16 ax +#define eax_16 ax +#define ax_16 ax +#define al_16 ax +#define rax_32 eax +#define eax_32 eax +#define ax_32 eax +#define al_32 eax +#define rax_64 rax +#define eax_64 rax +#define ax_64 rax +#define al_64 rax +#define rbx_8 bl +#define ebx_8 bl +#define bx_8 bl +#define bl_8 bl +#define rbx_16 bx +#define ebx_16 bx +#define bx_16 bx +#define bl_16 bx +#define rbx_32 ebx +#define ebx_32 ebx +#define bx_32 ebx +#define bl_32 ebx +#define rbx_64 rbx +#define ebx_64 rbx +#define bx_64 rbx +#define bl_64 rbx +#define rcx_8 cl +#define ecx_8 cl +#define cx_8 cl +#define cl_8 cl +#define rcx_16 cx +#define ecx_16 cx +#define cx_16 cx +#define cl_16 cx +#define rcx_32 ecx +#define ecx_32 ecx +#define cx_32 ecx +#define cl_32 ecx +#define rcx_64 rcx +#define ecx_64 rcx +#define cx_64 rcx +#define cl_64 rcx +#define rdx_8 dl +#define edx_8 dl +#define dx_8 dl +#define dl_8 dl +#define rdx_16 dx +#define edx_16 dx +#define dx_16 dx +#define dl_16 dx +#define rdx_32 edx +#define edx_32 edx +#define dx_32 edx +#define dl_32 edx +#define rdx_64 rdx +#define edx_64 rdx +#define dx_64 rdx +#define dl_64 rdx +#define rbp_8 bpl +#define ebp_8 bpl +#define bp_8 bpl +#define bpl_8 bpl +#define rbp_16 bp +#define ebp_16 bp +#define bp_16 bp +#define bpl_16 bp +#define rbp_32 ebp +#define ebp_32 ebp +#define bp_32 ebp +#define bpl_32 ebp +#define rbp_64 rbp +#define ebp_64 rbp +#define bp_64 rbp +#define bpl_64 rbp +#define rsp_8 spl +#define esp_8 spl +#define sp_8 spl +#define spl_8 spl +#define rsp_16 sp +#define esp_16 sp +#define sp_16 sp +#define spl_16 sp +#define rsp_32 esp +#define esp_32 esp +#define sp_32 esp +#define spl_32 esp +#define rsp_64 rsp +#define esp_64 rsp +#define sp_64 rsp +#define spl_64 rsp +#define rsi_8 sil +#define esi_8 sil +#define si_8 sil +#define sil_8 sil +#define rsi_16 si +#define esi_16 si +#define si_16 si +#define sil_16 si +#define rsi_32 esi +#define esi_32 esi +#define si_32 esi +#define sil_32 esi +#define rsi_64 rsi +#define esi_64 rsi +#define si_64 rsi +#define sil_64 rsi +#define rdi_8 dil +#define edi_8 dil +#define di_8 dil +#define dil_8 dil +#define rdi_16 di +#define edi_16 di +#define di_16 di +#define dil_16 di +#define rdi_32 edi +#define edi_32 edi +#define di_32 edi +#define dil_32 edi +#define rdi_64 rdi +#define edi_64 rdi +#define di_64 rdi +#define dil_64 rdi +#define r8_8 r8b +#define r8d_8 r8b +#define r8w_8 r8b +#define r8b_8 r8b +#define r8_16 r8w +#define r8d_16 r8w +#define r8w_16 r8w +#define r8b_16 r8w +#define r8_32 r8d +#define r8d_32 r8d +#define r8w_32 r8d +#define r8b_32 r8d +#define r8_64 r8 +#define r8d_64 r8 +#define r8w_64 r8 +#define r8b_64 r8 +#define r9_8 r9b +#define r9d_8 r9b +#define r9w_8 r9b +#define r9b_8 r9b +#define r9_16 r9w +#define r9d_16 r9w +#define r9w_16 r9w +#define r9b_16 r9w +#define r9_32 r9d +#define r9d_32 r9d +#define r9w_32 r9d +#define r9b_32 r9d +#define r9_64 r9 +#define r9d_64 r9 +#define r9w_64 r9 +#define r9b_64 r9 +#define r10_8 r10b +#define r10d_8 r10b +#define r10w_8 r10b +#define r10b_8 r10b +#define r10_16 r10w +#define r10d_16 r10w +#define r10w_16 r10w +#define r10b_16 r10w +#define r10_32 r10d +#define r10d_32 r10d +#define r10w_32 r10d +#define r10b_32 r10d +#define r10_64 r10 +#define r10d_64 r10 +#define r10w_64 r10 +#define r10b_64 r10 +#define r11_8 r11b +#define r11d_8 r11b +#define r11w_8 r11b +#define r11b_8 r11b +#define r11_16 r11w +#define r11d_16 r11w +#define r11w_16 r11w +#define r11b_16 r11w +#define r11_32 r11d +#define r11d_32 r11d +#define r11w_32 r11d +#define r11b_32 r11d +#define r11_64 r11 +#define r11d_64 r11 +#define r11w_64 r11 +#define r11b_64 r11 +#define r12_8 r12b +#define r12d_8 r12b +#define r12w_8 r12b +#define r12b_8 r12b +#define r12_16 r12w +#define r12d_16 r12w +#define r12w_16 r12w +#define r12b_16 r12w +#define r12_32 r12d +#define r12d_32 r12d +#define r12w_32 r12d +#define r12b_32 r12d +#define r12_64 r12 +#define r12d_64 r12 +#define r12w_64 r12 +#define r12b_64 r12 +#define r13_8 r13b +#define r13d_8 r13b +#define r13w_8 r13b +#define r13b_8 r13b +#define r13_16 r13w +#define r13d_16 r13w +#define r13w_16 r13w +#define r13b_16 r13w +#define r13_32 r13d +#define r13d_32 r13d +#define r13w_32 r13d +#define r13b_32 r13d +#define r13_64 r13 +#define r13d_64 r13 +#define r13w_64 r13 +#define r13b_64 r13 +#define r14_8 r14b +#define r14d_8 r14b +#define r14w_8 r14b +#define r14b_8 r14b +#define r14_16 r14w +#define r14d_16 r14w +#define r14w_16 r14w +#define r14b_16 r14w +#define r14_32 r14d +#define r14d_32 r14d +#define r14w_32 r14d +#define r14b_32 r14d +#define r14_64 r14 +#define r14d_64 r14 +#define r14w_64 r14 +#define r14b_64 r14 +#define r15_8 r15b +#define r15d_8 r15b +#define r15w_8 r15b +#define r15b_8 r15b +#define r15_16 r15w +#define r15d_16 r15w +#define r15w_16 r15w +#define r15b_16 r15w +#define r15_32 r15d +#define r15d_32 r15d +#define r15w_32 r15d +#define r15b_32 r15d +#define r15_64 r15 +#define r15d_64 r15 +#define r15w_64 r15 +#define r15b_64 r15 + +#define VRAX VGPR(rax) +#define VRBX VGPR(rbx) +#define VRCX VGPR(rcx) +#define VRDX VGPR(rdx) +#define VRBP VGPR(rbp) +#define VRSP VGPR(rsp) +#define VRSI VGPR(rsi) +#define VRDI VGPR(rdi) +#define VR8 VGPR(r8) +#define VR9 VGPR(r9) +#define VR10 VGPR(r10) +#define VR11 VGPR(r11) +#define VR12 VGPR(r12) +#define VR13 VGPR(r13) +#define VR14 VGPR(r14) +#define VR15 VGPR(r15) + +#define kmov_8 kmovb +#define kmov_16 kmovw +#define kmov_32 kmovd +#define kmov_64 kmovq +#define kortest_8 kortestb +#define kortest_16 kortestw +#define kortest_32 kortestd +#define kortest_64 kortestq +#define kor_8 korb +#define kor_16 korw +#define kor_32 kord +#define kor_64 korq +#define ktest_8 ktestb +#define ktest_16 ktestw +#define ktest_32 ktestd +#define ktest_64 ktestq +#define kand_8 kandb +#define kand_16 kandw +#define kand_32 kandd +#define kand_64 kandq +#define kxor_8 kxorb +#define kxor_16 kxorw +#define kxor_32 kxord +#define kxor_64 kxorq + +#define kmovV VKINSN_SZ(kmov, REG_WIDTH) +#define kortestV VKINSN_SZ(kortest, REG_WIDTH) +#define korV VKINSN_SZ(kor, REG_WIDTH) +#define ktestV VKINSN_SZ(ktest, REG_WIDTH) +#define kandV VKINSN_SZ(kand, REG_WIDTH) +#define kxorV VKINSN_SZ(kxor, REG_WIDTH) + +#ifndef REG_WIDTH +#define REG_WIDTH VEC_SIZE +#endif +#define PRIM_VGPR_SZ(reg_name, reg_size) reg_name##_##reg_size +#define VGPR_SZ(reg_name, reg_size) PRIM_VGPR_SZ(reg_name, reg_size) +#define VGPR(reg_name) VGPR_SZ(reg_name, REG_WIDTH) +#define VKINSN_SZ(insn, reg_size) PRIM_VGPR_SZ(insn, reg_size) + +#endif diff --git a/sysdeps/x86_64/multiarch/scripts/gen-reg-map-macros.py b/sysdeps/x86_64/multiarch/scripts/gen-reg-map-macros.py new file mode 100644 index 0000000000..5b04e89ecb --- /dev/null +++ b/sysdeps/x86_64/multiarch/scripts/gen-reg-map-macros.py @@ -0,0 +1,97 @@ +#!/usr/bin/python3 +# Copyright (C) 2022 Free Software Foundation, Inc. +# This file is part of the GNU C Library. +# +# The GNU C Library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# The GNU C Library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with the GNU C Library; if not, see +# . +"""Generate macros for getting GPR name of a certain size + +Inputs: None +Output: Prints header fill to stdout + +API: + VGPR(reg_name) + - Get register name VEC_SIZE component of `reg_name` + VGPR_SZ(reg_name, reg_size) + - Get register name `reg_size` component of `reg_name` +""" + +import sys +from datetime import datetime + +registers = [["rax", "eax", "ax", "al"], ["rbx", "ebx", "bx", "bl"], + ["rcx", "ecx", "cx", "cl"], ["rdx", "edx", "dx", "dl"], + ["rbp", "ebp", "bp", "bpl"], ["rsp", "esp", "sp", "spl"], + ["rsi", "esi", "si", "sil"], ["rdi", "edi", "di", "dil"], + ["r8", "r8d", "r8w", "r8b"], ["r9", "r9d", "r9w", "r9b"], + ["r10", "r10d", "r10w", "r10b"], ["r11", "r11d", "r11w", "r11b"], + ["r12", "r12d", "r12w", "r12b"], ["r13", "r13d", "r13w", "r13b"], + ["r14", "r14d", "r14w", "r14b"], ["r15", "r15d", "r15w", "r15b"]] + +mask_insns = ["kmov", "kortest", "kor", "ktest", "kand", "kxor"] +mask_insns_ext = ["b", "w", "d", "q"] + +cr = """ + Copyright (C) {} Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ +""" + +print("/* This file was generated by: {}.".format(sys.argv[0])) +print(cr.format(datetime.today().year)) + +print("#ifndef _REG_MAP_MACROS_H") +print("#define _REG_MAP_MACROS_H\t1\n") +for reg in registers: + for i in range(0, 4): + for j in range(0, 4): + print("#define {}_{}\t{}".format(reg[j], 8 << i, reg[3 - i])) + +print("") +for reg in registers: + print("#define V{}\tVGPR({})".format(reg[0].upper(), reg[0])) + +print("") +for mask_insn in mask_insns: + for i in range(0, 4): + print("#define {}_{}\t{}{}".format(mask_insn, 8 << i, mask_insn, + mask_insns_ext[i])) + +print("") +for mask_insn in mask_insns: + print("#define {}V \tVKINSN_SZ({}, REG_WIDTH)".format(mask_insn, mask_insn)) +print("") + +print("#ifndef REG_WIDTH") +print("#define REG_WIDTH VEC_SIZE") +print("#endif") +print("#define PRIM_VGPR_SZ(reg_name, reg_size)\treg_name##_##reg_size") +print("#define VGPR_SZ(reg_name, reg_size)\tPRIM_VGPR_SZ(reg_name, reg_size)") +print("#define VGPR(reg_name)\tVGPR_SZ(reg_name, REG_WIDTH)") +print("#define VKINSN_SZ(insn, reg_size)\tPRIM_VGPR_SZ(insn, reg_size)") + +print("\n#endif")