Implement -mtune-crl=..
From-SVN: r201582
This commit is contained in:
Xinliang David Li
Xinliang David Li
parent
a5b38740ff
commit
4b8bc0350b
5 changed files with 155 additions and 75 deletions
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@ -1,3 +1,11 @@
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2013-08-07 Xinliang David Li <davidxl@google.com>
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* config/i386/i386.opt: New option -mtune-ctrl=.
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* config/i386/x86-tune.def: New file.
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* config/i386/i386.h: include x86-tune.def.
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* config/i386/i386.c (ix86_option_override_internal):
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Parsing -mtune-ctrl= option and set tune features.
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2013-08-07 Oleg Endo <olegendo@gcc.gnu.org>
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PR other/12081
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@ -1835,6 +1835,13 @@ const struct processor_costs *ix86_cost = &pentium_cost;
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(PPro/PENT4/NOCONA/CORE2/Athlon/K8). */
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#define m_GENERIC (m_GENERIC32 | m_GENERIC64)
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const char* ix86_tune_feature_names[X86_TUNE_LAST] = {
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#undef DEF_TUNE
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#define DEF_TUNE(tune, name) name,
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#include "x86-tune.def"
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#undef DEF_TUNE
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};
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/* Feature tests against the various tunings. */
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unsigned char ix86_tune_features[X86_TUNE_LAST];
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@ -3569,6 +3576,40 @@ ix86_option_override_internal (bool main_args_p)
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for (i = 0; i < X86_TUNE_LAST; ++i)
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ix86_tune_features[i] = !!(initial_ix86_tune_features[i] & ix86_tune_mask);
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if (ix86_tune_ctrl_string)
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{
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/* parse the tune ctrl string in the following form:
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[^]tune_name1,[^]tune_name2,..a */
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char *next_feature_string = NULL;
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char *curr_feature_string = xstrdup (ix86_tune_ctrl_string);
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char *orig = curr_feature_string;
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do {
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bool clear = false;
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next_feature_string = strchr (curr_feature_string, ',');
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if (next_feature_string)
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*next_feature_string++ = '\0';
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if (*curr_feature_string == '^')
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{
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curr_feature_string++;
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clear = true;
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}
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for (i = 0; i < X86_TUNE_LAST; i++)
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{
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if (!strcmp (curr_feature_string, ix86_tune_feature_names[i]))
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{
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ix86_tune_features[i] = !clear;
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break;
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}
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}
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if (i == X86_TUNE_LAST)
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warning (0, "Unknown parameter to option -mtune-ctrl: %s",
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clear ? curr_feature_string - 1 : curr_feature_string);
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curr_feature_string = next_feature_string;
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} while (curr_feature_string);
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free (orig);
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}
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#ifndef USE_IX86_FRAME_POINTER
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#define USE_IX86_FRAME_POINTER 0
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#endif
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@ -261,81 +261,11 @@ extern const struct processor_costs ix86_size_cost;
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/* Feature tests against the various tunings. */
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enum ix86_tune_indices {
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X86_TUNE_USE_LEAVE,
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X86_TUNE_PUSH_MEMORY,
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X86_TUNE_ZERO_EXTEND_WITH_AND,
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X86_TUNE_UNROLL_STRLEN,
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X86_TUNE_BRANCH_PREDICTION_HINTS,
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X86_TUNE_DOUBLE_WITH_ADD,
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X86_TUNE_USE_SAHF,
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X86_TUNE_MOVX,
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X86_TUNE_PARTIAL_REG_STALL,
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X86_TUNE_PARTIAL_FLAG_REG_STALL,
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X86_TUNE_LCP_STALL,
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X86_TUNE_USE_HIMODE_FIOP,
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X86_TUNE_USE_SIMODE_FIOP,
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X86_TUNE_USE_MOV0,
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X86_TUNE_USE_CLTD,
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X86_TUNE_USE_XCHGB,
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X86_TUNE_SPLIT_LONG_MOVES,
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X86_TUNE_READ_MODIFY_WRITE,
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X86_TUNE_READ_MODIFY,
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X86_TUNE_PROMOTE_QIMODE,
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X86_TUNE_FAST_PREFIX,
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X86_TUNE_SINGLE_STRINGOP,
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X86_TUNE_QIMODE_MATH,
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X86_TUNE_HIMODE_MATH,
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X86_TUNE_PROMOTE_QI_REGS,
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X86_TUNE_PROMOTE_HI_REGS,
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X86_TUNE_SINGLE_POP,
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X86_TUNE_DOUBLE_POP,
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X86_TUNE_SINGLE_PUSH,
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X86_TUNE_DOUBLE_PUSH,
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X86_TUNE_INTEGER_DFMODE_MOVES,
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X86_TUNE_PARTIAL_REG_DEPENDENCY,
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X86_TUNE_SSE_PARTIAL_REG_DEPENDENCY,
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X86_TUNE_SSE_UNALIGNED_LOAD_OPTIMAL,
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X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL,
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X86_TUNE_SSE_PACKED_SINGLE_INSN_OPTIMAL,
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X86_TUNE_SSE_SPLIT_REGS,
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X86_TUNE_SSE_TYPELESS_STORES,
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X86_TUNE_SSE_LOAD0_BY_PXOR,
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X86_TUNE_MEMORY_MISMATCH_STALL,
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X86_TUNE_PROLOGUE_USING_MOVE,
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X86_TUNE_EPILOGUE_USING_MOVE,
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X86_TUNE_SHIFT1,
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X86_TUNE_USE_FFREEP,
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X86_TUNE_INTER_UNIT_MOVES_TO_VEC,
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X86_TUNE_INTER_UNIT_MOVES_FROM_VEC,
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X86_TUNE_INTER_UNIT_CONVERSIONS,
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X86_TUNE_FOUR_JUMP_LIMIT,
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X86_TUNE_SCHEDULE,
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X86_TUNE_USE_BT,
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X86_TUNE_USE_INCDEC,
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X86_TUNE_PAD_RETURNS,
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X86_TUNE_PAD_SHORT_FUNCTION,
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X86_TUNE_EXT_80387_CONSTANTS,
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X86_TUNE_AVOID_VECTOR_DECODE,
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X86_TUNE_PROMOTE_HIMODE_IMUL,
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X86_TUNE_SLOW_IMUL_IMM32_MEM,
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X86_TUNE_SLOW_IMUL_IMM8,
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X86_TUNE_MOVE_M1_VIA_OR,
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X86_TUNE_NOT_UNPAIRABLE,
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X86_TUNE_NOT_VECTORMODE,
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X86_TUNE_USE_VECTOR_FP_CONVERTS,
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X86_TUNE_USE_VECTOR_CONVERTS,
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X86_TUNE_FUSE_CMP_AND_BRANCH,
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X86_TUNE_OPT_AGU,
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X86_TUNE_VECTORIZE_DOUBLE,
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X86_TUNE_SOFTWARE_PREFETCHING_BENEFICIAL,
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X86_TUNE_AVX128_OPTIMAL,
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X86_TUNE_REASSOC_INT_TO_PARALLEL,
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X86_TUNE_REASSOC_FP_TO_PARALLEL,
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X86_TUNE_GENERAL_REGS_SSE_SPILL,
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X86_TUNE_AVOID_MEM_OPND_FOR_CMOVE,
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X86_TUNE_SPLIT_MEM_OPND_FOR_FP_CONVERTS,
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X86_TUNE_LAST
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#undef DEF_TUNE
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#define DEF_TUNE(tune, name) tune,
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#include "x86-tune.def"
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#undef DEF_TUNE
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X86_TUNE_LAST
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};
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extern unsigned char ix86_tune_features[X86_TUNE_LAST];
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@ -370,6 +370,10 @@ mtune=
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Target RejectNegative Joined Var(ix86_tune_string)
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Schedule code for given CPU
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mtune-ctrl=
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Target RejectNegative Joined Var(ix86_tune_ctrl_string)
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Fine grain control of tune features
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mabi=
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Target RejectNegative Joined Var(ix86_abi) Enum(calling_abi) Init(SYSV_ABI)
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Generate code that conforms to the given ABI
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97
gcc/config/i386/x86-tune.def
Normal file
97
gcc/config/i386/x86-tune.def
Normal file
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@ -0,0 +1,97 @@
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/* Definitions of target machine for GCC for IA-32.
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Copyright (C) 2013 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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DEF_TUNE (X86_TUNE_USE_LEAVE, "use_leave")
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DEF_TUNE (X86_TUNE_PUSH_MEMORY, "push_memory")
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DEF_TUNE (X86_TUNE_ZERO_EXTEND_WITH_AND, "zero_extend_with_and")
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DEF_TUNE (X86_TUNE_UNROLL_STRLEN, "unroll_strlen")
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DEF_TUNE (X86_TUNE_BRANCH_PREDICTION_HINTS, "branch_prediction_hints")
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DEF_TUNE (X86_TUNE_DOUBLE_WITH_ADD, "double_with_add")
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DEF_TUNE (X86_TUNE_USE_SAHF, "use_sahf")
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DEF_TUNE (X86_TUNE_MOVX, "movx")
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DEF_TUNE (X86_TUNE_PARTIAL_REG_STALL, "partial_reg_stall")
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DEF_TUNE (X86_TUNE_PARTIAL_FLAG_REG_STALL, "partial_flag_reg_stall")
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DEF_TUNE (X86_TUNE_LCP_STALL, "lcp_stall")
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DEF_TUNE (X86_TUNE_USE_HIMODE_FIOP, "use_himode_fiop")
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DEF_TUNE (X86_TUNE_USE_SIMODE_FIOP, "use_simode_fiop")
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DEF_TUNE (X86_TUNE_USE_MOV0, "use_mov0")
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DEF_TUNE (X86_TUNE_USE_CLTD, "use_cltd")
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DEF_TUNE (X86_TUNE_USE_XCHGB, "use_xchgb")
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DEF_TUNE (X86_TUNE_SPLIT_LONG_MOVES, "split_long_moves")
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DEF_TUNE (X86_TUNE_READ_MODIFY_WRITE, "read_modify_write")
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DEF_TUNE (X86_TUNE_READ_MODIFY, "read_modify")
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DEF_TUNE (X86_TUNE_PROMOTE_QIMODE, "promote_qimode")
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DEF_TUNE (X86_TUNE_FAST_PREFIX, "fast_prefix")
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DEF_TUNE (X86_TUNE_SINGLE_STRINGOP, "single_stringop")
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DEF_TUNE (X86_TUNE_QIMODE_MATH, "qimode_math")
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DEF_TUNE (X86_TUNE_HIMODE_MATH, "himode_math")
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DEF_TUNE (X86_TUNE_PROMOTE_QI_REGS, "promote_qi_regs")
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DEF_TUNE (X86_TUNE_PROMOTE_HI_REGS, "promote_hi_regs")
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DEF_TUNE (X86_TUNE_SINGLE_POP, "single_pop")
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DEF_TUNE (X86_TUNE_DOUBLE_POP, "double_pop")
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DEF_TUNE (X86_TUNE_SINGLE_PUSH, "single_push")
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DEF_TUNE (X86_TUNE_DOUBLE_PUSH, "double_push")
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DEF_TUNE (X86_TUNE_INTEGER_DFMODE_MOVES, "integer_dfmode_moves")
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DEF_TUNE (X86_TUNE_PARTIAL_REG_DEPENDENCY, "partial_reg_dependency")
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DEF_TUNE (X86_TUNE_SSE_PARTIAL_REG_DEPENDENCY, "sse_partial_reg_dependency")
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DEF_TUNE (X86_TUNE_SSE_UNALIGNED_LOAD_OPTIMAL, "sse_unaligned_load_optimal")
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DEF_TUNE (X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL, "sse_unaligned_store_optimal")
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DEF_TUNE (X86_TUNE_SSE_PACKED_SINGLE_INSN_OPTIMAL, "sse_packed_single_insn_optimal")
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DEF_TUNE (X86_TUNE_SSE_SPLIT_REGS, "sse_split_regs")
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DEF_TUNE (X86_TUNE_SSE_TYPELESS_STORES, "sse_typeless_stores")
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DEF_TUNE (X86_TUNE_SSE_LOAD0_BY_PXOR, "sse_load0_by_pxor")
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DEF_TUNE (X86_TUNE_MEMORY_MISMATCH_STALL, "memory_mismatch_stall")
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DEF_TUNE (X86_TUNE_PROLOGUE_USING_MOVE, "prologue_using_move")
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DEF_TUNE (X86_TUNE_EPILOGUE_USING_MOVE, "epilogue_using_move")
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DEF_TUNE (X86_TUNE_SHIFT1, "shift1")
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DEF_TUNE (X86_TUNE_USE_FFREEP, "use_ffreep")
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DEF_TUNE (X86_TUNE_INTER_UNIT_MOVES_TO_VEC, "inter_unit_moves_to_vec")
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DEF_TUNE (X86_TUNE_INTER_UNIT_MOVES_FROM_VEC, "inter_unit_moves_from_vec")
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DEF_TUNE (X86_TUNE_INTER_UNIT_CONVERSIONS, "inter_unit_conversions")
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DEF_TUNE (X86_TUNE_FOUR_JUMP_LIMIT, "four_jump_limit")
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DEF_TUNE (X86_TUNE_SCHEDULE, "schedule")
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DEF_TUNE (X86_TUNE_USE_BT, "use_bt")
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DEF_TUNE (X86_TUNE_USE_INCDEC, "use_incdec")
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DEF_TUNE (X86_TUNE_PAD_RETURNS, "pad_returns")
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DEF_TUNE (X86_TUNE_PAD_SHORT_FUNCTION, "pad_short_function")
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DEF_TUNE (X86_TUNE_EXT_80387_CONSTANTS, "ext_80387_constants")
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DEF_TUNE (X86_TUNE_AVOID_VECTOR_DECODE, "avoid_vector_decode")
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DEF_TUNE (X86_TUNE_PROMOTE_HIMODE_IMUL, "promote_himode_imul")
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DEF_TUNE (X86_TUNE_SLOW_IMUL_IMM32_MEM, "slow_imul_imm32_mem")
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DEF_TUNE (X86_TUNE_SLOW_IMUL_IMM8, "slow_imul_imm8")
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DEF_TUNE (X86_TUNE_MOVE_M1_VIA_OR, "move_m1_via_or")
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DEF_TUNE (X86_TUNE_NOT_UNPAIRABLE, "not_unpairable")
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DEF_TUNE (X86_TUNE_NOT_VECTORMODE, "not_vectormode")
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DEF_TUNE (X86_TUNE_USE_VECTOR_FP_CONVERTS, "use_vector_fp_converts")
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DEF_TUNE (X86_TUNE_USE_VECTOR_CONVERTS, "use_vector_converts")
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DEF_TUNE (X86_TUNE_FUSE_CMP_AND_BRANCH, "fuse_cmp_and_branch")
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DEF_TUNE (X86_TUNE_OPT_AGU, "opt_agu")
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DEF_TUNE (X86_TUNE_VECTORIZE_DOUBLE, "vectorize_double")
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DEF_TUNE (X86_TUNE_SOFTWARE_PREFETCHING_BENEFICIAL, "software_prefetching_beneficial")
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DEF_TUNE (X86_TUNE_AVX128_OPTIMAL, "avx128_optimal")
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DEF_TUNE (X86_TUNE_REASSOC_INT_TO_PARALLEL, "reassoc_int_to_parallel")
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DEF_TUNE (X86_TUNE_REASSOC_FP_TO_PARALLEL, "reassoc_fp_to_parallel")
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DEF_TUNE (X86_TUNE_GENERAL_REGS_SSE_SPILL, "general_regs_sse_spill")
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DEF_TUNE (X86_TUNE_AVOID_MEM_OPND_FOR_CMOVE, "avoid_mem_opnd_for_cmove")
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DEF_TUNE (X86_TUNE_SPLIT_MEM_OPND_FOR_FP_CONVERTS, "split_mem_opnd_for_fp_converts")
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