Merge pull request #266 from mithro/or-fp-contract

Adding `-ffp-contract=off` flag.
hdl · Jan 11, 2024 · f760335 · f760335
2 parents 55bfd50 + b8dfdac
commit f760335
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diff --git a/.bazelrc b/.bazelrc
@@ -13,7 +13,9 @@
 # limitations under the License.
 
 build --cxxopt "-std=c++17"
+build --cxxopt "-ffp-contract=off"
 build --host_cxxopt "-std=c++17"
+build --host_cxxopt "-ffp-contract=off"
 build --crosstool_top=@llvm_toolchain//:toolchain
 
 build:ciremotebuild --crosstool_top=@llvm_toolchain//:toolchain

diff --git a/dependency_support/org_theopenroadproject/build_helper.bzl b/dependency_support/org_theopenroadproject/build_helper.bzl
@@ -92,6 +92,7 @@ OPENROAD_BINARY_SRCS = OPENROAD_BINARY_SRCS_WITHOUT_MAIN + [
 
 OPENROAD_COPTS = [
     "-fexceptions",
+    "-ffp-contract=off", # Needed for floating point stability.
     "-Wno-error",
     "-Wall",
     "-Wextra",