Messages in this thread Patch in this message | | | Date | Tue, 9 Jun 2020 22:17:16 -0700 | Subject | [PATCH 2/2] perf expr: Add < and > operators | From | Ian Rogers <> |
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These are broadly useful and necessary for Intel's top-down analysis.
Signed-off-by: Ian Rogers <irogers@google.com> --- tools/perf/util/expr.l | 2 ++ tools/perf/util/expr.y | 5 ++++- 2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/tools/perf/util/expr.l b/tools/perf/util/expr.l index 298d86660a96..13e5e3c75f56 100644 --- a/tools/perf/util/expr.l +++ b/tools/perf/util/expr.l @@ -111,6 +111,8 @@ else { return ELSE; } "|" { return '|'; } "^" { return '^'; } "&" { return '&'; } +"<" { return '<'; } +">" { return '>'; } "-" { return '-'; } "+" { return '+'; } "*" { return '*'; } diff --git a/tools/perf/util/expr.y b/tools/perf/util/expr.y index fe145344bb39..5fcb98800f9c 100644 --- a/tools/perf/util/expr.y +++ b/tools/perf/util/expr.y @@ -41,6 +41,7 @@ static double d_ratio(double val0, double val1) %left '|' %left '^' %left '&' +%left '<' '>' %left '-' '+' %left '*' '/' '%' %left NEG NOT @@ -73,7 +74,7 @@ other: ID | MIN | MAX | IF | ELSE | SMT_ON | NUMBER | '|' | '^' | '&' | '-' | '+' | '*' | '/' | '%' | '(' | ')' | ',' | -D_RATIO +'<' | '>' | D_RATIO all_expr: if_expr { *final_val = $1; } ; @@ -94,6 +95,8 @@ expr: NUMBER | expr '|' expr { $$ = (long)$1 | (long)$3; } | expr '&' expr { $$ = (long)$1 & (long)$3; } | expr '^' expr { $$ = (long)$1 ^ (long)$3; } + | expr '<' expr { $$ = $1 < $3; } + | expr '>' expr { $$ = $1 > $3; } | expr '+' expr { $$ = $1 + $3; } | expr '-' expr { $$ = $1 - $3; } | expr '*' expr { $$ = $1 * $3; } -- 2.27.0.278.ge193c7cf3a9-goog
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