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Diffstat (limited to 'module/system/base/optimize.scm')
-rw-r--r-- | module/system/base/optimize.scm | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/module/system/base/optimize.scm b/module/system/base/optimize.scm new file mode 100644 index 000000000..562f94ae7 --- /dev/null +++ b/module/system/base/optimize.scm @@ -0,0 +1,43 @@ +;;; Optimization flags + +;; Copyright (C) 2018 Free Software Foundation, Inc. + +;;;; This 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 3 of the License, or (at your option) any later version. +;;;; +;;;; This 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 this library; if not, write to the Free Software +;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + +;;; Code: + +(define-module (system base optimize) + #:use-module (language tree-il optimize) + #:use-module (language cps optimize) + #:use-module (ice-9 match) + #:export (available-optimizations + pass-optimization-level + optimizations-for-level)) + +(define (available-optimizations) + (append (tree-il-optimizations) (cps-optimizations))) + +(define (pass-optimization-level kw) + (match (assq kw (available-optimizations)) + ((kw level) level) + (_ (error "unknown optimization" kw)))) + +;; Turn on all optimizations unless -O0. +(define (optimizations-for-level level) + (let lp ((options (available-optimizations))) + (match options + (() '()) + (((kw at-level) . options) + (cons* kw (<= at-level level) (lp options)))))) |