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[FPEnv] [Clang] Enable constrained FP support for PowerPC 

d4ce862f introduced HasStrictFP to disable generating constrained FP
operations for platforms lacking support. Since work for enabling
constrained FP on PowerPC is almost done, we'd like to enable it.

Reviewed By: kpn, steven.zhang

Differential Revision: https://reviews.llvm.org/D87223
This commit is contained in:
Qiu Chaofan 2020-09-12 00:37:36 +08:00
parent bd2f7ad603
commit 8ecc8520bc
2 changed files with 1 additions and 2 deletions
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1
clang/lib/Basic/Targets/PPC.h
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@ -82,6 +82,7 @@ public:
SimdDefaultAlign = 128; SimdDefaultAlign = 128;
LongDoubleWidth = LongDoubleAlign = 128; LongDoubleWidth = LongDoubleAlign = 128;
LongDoubleFormat = &llvm::APFloat::PPCDoubleDouble(); LongDoubleFormat = &llvm::APFloat::PPCDoubleDouble();
HasStrictFP = true;
} }
// Set the language option for altivec based on our value. // Set the language option for altivec based on our value.

2
clang/test/CodeGen/builtins-ppc-fpconstrained.c
View File

@ -2,14 +2,12 @@
// RUN: %clang_cc1 -triple powerpc64le-gnu-linux -target-feature +vsx \ // RUN: %clang_cc1 -triple powerpc64le-gnu-linux -target-feature +vsx \
// RUN: -emit-llvm %s -o - | FileCheck --check-prefix=CHECK-UNCONSTRAINED %s // RUN: -emit-llvm %s -o - | FileCheck --check-prefix=CHECK-UNCONSTRAINED %s
// RUN: %clang_cc1 -triple powerpc64le-gnu-linux -target-feature +vsx \ // RUN: %clang_cc1 -triple powerpc64le-gnu-linux -target-feature +vsx \
// RUN: -fexperimental-strict-floating-point \
// RUN: -ffp-exception-behavior=strict -emit-llvm %s -o - | FileCheck \ // RUN: -ffp-exception-behavior=strict -emit-llvm %s -o - | FileCheck \
// RUN: --check-prefix=CHECK-CONSTRAINED -vv %s // RUN: --check-prefix=CHECK-CONSTRAINED -vv %s
// RUN: %clang_cc1 -triple powerpc64le-gnu-linux -target-feature +vsx \ // RUN: %clang_cc1 -triple powerpc64le-gnu-linux -target-feature +vsx \
// RUN: -fallow-half-arguments-and-returns -S -o - %s | \ // RUN: -fallow-half-arguments-and-returns -S -o - %s | \
// RUN: FileCheck --check-prefix=CHECK-ASM --check-prefix=NOT-FIXME-CHECK %s // RUN: FileCheck --check-prefix=CHECK-ASM --check-prefix=NOT-FIXME-CHECK %s
// RUN: %clang_cc1 -triple powerpc64le-gnu-linux -target-feature +vsx \ // RUN: %clang_cc1 -triple powerpc64le-gnu-linux -target-feature +vsx \
// RUN: -fexperimental-strict-floating-point \
// RUN: -fallow-half-arguments-and-returns -S -ffp-exception-behavior=strict \ // RUN: -fallow-half-arguments-and-returns -S -ffp-exception-behavior=strict \
// RUN: -o - %s | FileCheck --check-prefix=CHECK-ASM \ // RUN: -o - %s | FileCheck --check-prefix=CHECK-ASM \
// RUN: --check-prefix=FIXME-CHECK %s // RUN: --check-prefix=FIXME-CHECK %s