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clang-p2996/flang/docs/OpenACC.md
Valentin Clement (バレンタイン クレメン) cf670d5e56 [flang][openacc] Accept scalar integer expression in the if clause (#69381)
Relax the parser to accept scalar integer expression in addition to
scalar logical expression. The parser now accepts scalar expression and
the semantic checks its type.
2023-10-17 14:41:03 -07:00

820 B

OpenACC in Flang

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Intentional deviation from the specification

  • The end directive for combined construct can omit the loop keyword.
  • An !$acc routine with no parallelism clause is treated as if the seq clause was present.
  • !$acc end loop does not trigger a parsing error and is just ignored.
  • The restriction on !$acc data required clauses is emitted as a portability warning instead of an error as other compiler accepts it.
  • The if clause accepts scalar integer expression in addition to scalar logical expression.