Author: Qiu Chaofan Date: 2021-05-28T00:14:35+08:00 New Revision: 5c18d1136665f74b15c0df599f56ac3e2e947fb8
URL: https://github.com/llvm/llvm-project/commit/5c18d1136665f74b15c0df599f56ac3e2e947fb8 DIFF: https://github.com/llvm/llvm-project/commit/5c18d1136665f74b15c0df599f56ac3e2e947fb8.diff LOG: [SPE] Disable strict-fp for SPE by default As discussed in PR50385, strict-fp on PowerPC SPE has not been handled well. This patch disables it by default for SPE. Reviewed By: nemanjai, vit9696, jhibbits Differential Revision: https://reviews.llvm.org/D103235 Added: Modified: clang/lib/Basic/Targets/PPC.cpp clang/test/CodeGen/builtins-ppc-fpconstrained.c Removed: ################################################################################ diff --git a/clang/lib/Basic/Targets/PPC.cpp b/clang/lib/Basic/Targets/PPC.cpp index cc16934292203..5de66aa19438e 100644 --- a/clang/lib/Basic/Targets/PPC.cpp +++ b/clang/lib/Basic/Targets/PPC.cpp @@ -59,6 +59,7 @@ bool PPCTargetInfo::handleTargetFeatures(std::vector<std::string> &Features, } else if (Feature == "+prefix-instrs") { HasPrefixInstrs = true; } else if (Feature == "+spe" || Feature == "+efpu2") { + HasStrictFP = false; HasSPE = true; LongDoubleWidth = LongDoubleAlign = 64; LongDoubleFormat = &llvm::APFloat::IEEEdouble(); diff --git a/clang/test/CodeGen/builtins-ppc-fpconstrained.c b/clang/test/CodeGen/builtins-ppc-fpconstrained.c index 880c0c339ef33..909210996064c 100644 --- a/clang/test/CodeGen/builtins-ppc-fpconstrained.c +++ b/clang/test/CodeGen/builtins-ppc-fpconstrained.c @@ -11,6 +11,9 @@ // RUN: -fallow-half-arguments-and-returns -S -ffp-exception-behavior=strict \ // RUN: -o - %s | FileCheck --check-prefix=CHECK-ASM \ // RUN: --check-prefix=FIXME-CHECK %s +// RUN: %clang_cc1 -triple powerpcspe -S -ffp-exception-behavior=strict \ +// RUN: -target-feature +spe -fexperimental-strict-floating-point -emit-llvm \ +// RUN: %s -o - | FileCheck --check-prefix=CHECK-CONSTRAINED %s typedef __attribute__((vector_size(4 * sizeof(float)))) float vec_float; typedef __attribute__((vector_size(2 * sizeof(double)))) double vec_double; _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
