LCOV - code coverage report
Current view: top level - gcc - gimple-predict.h (source / functions) Hit Total Coverage
Test: gcc.info Lines: 23 23 100.0 %
Date: 2020-03-28 11:57:23 Functions: 5 5 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 0 0 -

           Branch data     Line data    Source code
       1                 :            : /* Gimple prediction routines.
       2                 :            : 
       3                 :            :    Copyright (C) 2007-2020 Free Software Foundation, Inc.
       4                 :            : 
       5                 :            : This file is part of GCC.
       6                 :            : 
       7                 :            : GCC is free software; you can redistribute it and/or modify it under
       8                 :            : the terms of the GNU General Public License as published by the Free
       9                 :            : Software Foundation; either version 3, or (at your option) any later
      10                 :            : version.
      11                 :            : 
      12                 :            : GCC is distributed in the hope that it will be useful, but WITHOUT ANY
      13                 :            : WARRANTY; without even the implied warranty of MERCHANTABILITY or
      14                 :            : FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
      15                 :            : for more details.
      16                 :            : 
      17                 :            : You should have received a copy of the GNU General Public License
      18                 :            : along with GCC; see the file COPYING3.  If not see
      19                 :            : <http://www.gnu.org/licenses/>.  */
      20                 :            : 
      21                 :            : #ifndef GCC_GIMPLE_PREDICT_H
      22                 :            : #define GCC_GIMPLE_PREDICT_H
      23                 :            : 
      24                 :            : #include "predict.h"
      25                 :            : 
      26                 :            : /* Return the predictor of GIMPLE_PREDICT statement GS.  */
      27                 :            : 
      28                 :            : static inline enum br_predictor
      29                 :     548907 : gimple_predict_predictor (const gimple *gs)
      30                 :            : {
      31                 :     548907 :   GIMPLE_CHECK (gs, GIMPLE_PREDICT);
      32                 :     548907 :   return (enum br_predictor) (gs->subcode & ~GF_PREDICT_TAKEN);
      33                 :            : }
      34                 :            : 
      35                 :            : 
      36                 :            : /* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT.  */
      37                 :            : 
      38                 :            : static inline void
      39                 :     320914 : gimple_predict_set_predictor (gimple *gs, enum br_predictor predictor)
      40                 :            : {
      41                 :     320914 :   GIMPLE_CHECK (gs, GIMPLE_PREDICT);
      42                 :     320914 :   gs->subcode = (gs->subcode & GF_PREDICT_TAKEN)
      43                 :     320914 :                        | (unsigned) predictor;
      44                 :     320914 : }
      45                 :            : 
      46                 :            : 
      47                 :            : /* Return the outcome of GIMPLE_PREDICT statement GS.  */
      48                 :            : 
      49                 :            : static inline enum prediction
      50                 :     277874 : gimple_predict_outcome (const gimple *gs)
      51                 :            : {
      52                 :     277874 :   GIMPLE_CHECK (gs, GIMPLE_PREDICT);
      53                 :     277874 :   return (gs->subcode & GF_PREDICT_TAKEN) ? TAKEN : NOT_TAKEN;
      54                 :            : }
      55                 :            : 
      56                 :            : 
      57                 :            : /* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME.  */
      58                 :            : 
      59                 :            : static inline void
      60                 :     320914 : gimple_predict_set_outcome (gimple *gs, enum prediction outcome)
      61                 :            : {
      62                 :     320914 :   GIMPLE_CHECK (gs, GIMPLE_PREDICT);
      63                 :     320914 :   if (outcome == TAKEN)
      64                 :         24 :     gs->subcode |= GF_PREDICT_TAKEN;
      65                 :            :   else
      66                 :     320890 :     gs->subcode &= ~GF_PREDICT_TAKEN;
      67                 :     320914 : }
      68                 :            : 
      69                 :            : /* Build a GIMPLE_PREDICT statement.  PREDICT is one of the predictors from
      70                 :            :    predict.def, OUTCOME is NOT_TAKEN or TAKEN.  */
      71                 :            : 
      72                 :            : inline gimple *
      73                 :     320914 : gimple_build_predict (enum br_predictor predictor, enum prediction outcome)
      74                 :            : {
      75                 :     320914 :   gimple *p = gimple_alloc (GIMPLE_PREDICT, 0);
      76                 :            :   /* Ensure all the predictors fit into the lower bits of the subcode.  */
      77                 :     320914 :   gcc_assert ((int) END_PREDICTORS <= GF_PREDICT_TAKEN);
      78                 :     320914 :   gimple_predict_set_predictor (p, predictor);
      79                 :     320914 :   gimple_predict_set_outcome (p, outcome);
      80                 :     320914 :   return p;
      81                 :            : }
      82                 :            : 
      83                 :            : /* Return true if GS is a GIMPLE_PREDICT statement.  */
      84                 :            : 
      85                 :            : static inline bool
      86                 :            : is_gimple_predict (const gimple *gs)
      87                 :            : {
      88                 :            :   return gimple_code (gs) == GIMPLE_PREDICT;
      89                 :            : }
      90                 :            : 
      91                 :            : #endif  /* GCC_GIMPLE_PREDICT_H */

Generated by: LCOV version 1.0

LCOV profile is generated on x86_64 machine using following configure options: configure --disable-bootstrap --enable-coverage=opt --enable-languages=c,c++,fortran,go,jit,lto --enable-host-shared. GCC test suite is run with the built compiler.