From 4943b75e9f06f0b64ed541430bb7fbccf55fc552 Mon Sep 17 00:00:00 2001 From: Jan Hubicka Date: Sat, 9 Apr 2022 21:22:58 +0200 Subject: [PATCH] Update semantic_interposition flag at analysis time This patch solves problem with FE first finalizing function and then adding -fno-semantic-interposition flag (by parsing optimization attribute). gcc/ChangeLog: 2022-04-09 Jan Hubicka PR ipa/103376 * cgraphunit.cc (cgraph_node::analyze): update semantic_interposition flag. gcc/testsuite/ChangeLog: 2022-04-09 Jan Hubicka PR ipa/103376 * gcc.c-torture/compile/pr103376.c: New test. --- gcc/cgraphunit.cc | 1 + gcc/testsuite/gcc.c-torture/compile/pr103376.c | 9 +++++++++ 2 files changed, 10 insertions(+) create mode 100644 gcc/testsuite/gcc.c-torture/compile/pr103376.c diff --git a/gcc/cgraphunit.cc b/gcc/cgraphunit.cc index 01f4e28..bc3dc75 100644 --- a/gcc/cgraphunit.cc +++ b/gcc/cgraphunit.cc @@ -621,6 +621,7 @@ cgraph_node::analyze (void) tree decl = this->decl; location_t saved_loc = input_location; input_location = DECL_SOURCE_LOCATION (decl); + semantic_interposition = opt_for_fn (decl, flag_semantic_interposition); if (thunk) { diff --git a/gcc/testsuite/gcc.c-torture/compile/pr103376.c b/gcc/testsuite/gcc.c-torture/compile/pr103376.c new file mode 100644 index 0000000..8c14c3d --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr103376.c @@ -0,0 +1,9 @@ +/* { dg-additional-options "-Ofast" } */ +__attribute__ ((optimize ("no-associative-math"))) double +fn3 (double h, double l) +{ + return h + l; +} + +double fn3 (double, double) __attribute__ ((optimize ("O2,no-associative-math"))); + -- 2.7.4